| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `crates/hir/src/semantics.rs`."><title>semantics.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-84e720fa.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="hir" data-themes="" data-resource-suffix="" data-rustdoc-version="1.89.0 (29483883e 2025-08-04)" data-channel="1.89.0" data-search-js="search-92309212.js" data-settings-js="settings-5514c975.js" ><script src="../../static.files/storage-4e99c027.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-fd3af306.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-32bb7600.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">hir/</div>semantics.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-4"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! See `Semantics`. |
| <a href=#2 id=2 data-nosnippet>2</a> |
| <a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">mod </span>child_by_source; |
| <a href=#4 id=4 data-nosnippet>4</a><span class="kw">mod </span>source_to_def; |
| <a href=#5 id=5 data-nosnippet>5</a> |
| <a href=#6 id=6 data-nosnippet>6</a><span class="kw">use </span>std::{ |
| <a href=#7 id=7 data-nosnippet>7</a> cell::RefCell, |
| <a href=#8 id=8 data-nosnippet>8</a> convert::Infallible, |
| <a href=#9 id=9 data-nosnippet>9</a> fmt, iter, mem, |
| <a href=#10 id=10 data-nosnippet>10</a> ops::{<span class="self">self</span>, ControlFlow, Not}, |
| <a href=#11 id=11 data-nosnippet>11</a>}; |
| <a href=#12 id=12 data-nosnippet>12</a> |
| <a href=#13 id=13 data-nosnippet>13</a><span class="kw">use </span>either::Either; |
| <a href=#14 id=14 data-nosnippet>14</a><span class="kw">use </span>hir_def::{ |
| <a href=#15 id=15 data-nosnippet>15</a> DefWithBodyId, FunctionId, MacroId, StructId, TraitId, VariantId, |
| <a href=#16 id=16 data-nosnippet>16</a> expr_store::{Body, ExprOrPatSource, path::Path}, |
| <a href=#17 id=17 data-nosnippet>17</a> hir::{BindingId, Expr, ExprId, ExprOrPatId, Pat}, |
| <a href=#18 id=18 data-nosnippet>18</a> nameres::{ModuleOrigin, crate_def_map}, |
| <a href=#19 id=19 data-nosnippet>19</a> resolver::{<span class="self">self</span>, HasResolver, Resolver, TypeNs}, |
| <a href=#20 id=20 data-nosnippet>20</a> type_ref::Mutability, |
| <a href=#21 id=21 data-nosnippet>21</a>}; |
| <a href=#22 id=22 data-nosnippet>22</a><span class="kw">use </span>hir_expand::{ |
| <a href=#23 id=23 data-nosnippet>23</a> EditionedFileId, ExpandResult, FileRange, HirFileId, InMacroFile, MacroCallId, |
| <a href=#24 id=24 data-nosnippet>24</a> attrs::collect_attrs, |
| <a href=#25 id=25 data-nosnippet>25</a> builtin::{BuiltinFnLikeExpander, EagerExpander}, |
| <a href=#26 id=26 data-nosnippet>26</a> db::ExpandDatabase, |
| <a href=#27 id=27 data-nosnippet>27</a> files::{FileRangeWrapper, HirFileRange, InRealFile}, |
| <a href=#28 id=28 data-nosnippet>28</a> mod_path::{ModPath, PathKind}, |
| <a href=#29 id=29 data-nosnippet>29</a> name::AsName, |
| <a href=#30 id=30 data-nosnippet>30</a>}; |
| <a href=#31 id=31 data-nosnippet>31</a><span class="kw">use </span>hir_ty::diagnostics::{unsafe_operations, unsafe_operations_for_body}; |
| <a href=#32 id=32 data-nosnippet>32</a><span class="kw">use </span>intern::{Interned, Symbol, sym}; |
| <a href=#33 id=33 data-nosnippet>33</a><span class="kw">use </span>itertools::Itertools; |
| <a href=#34 id=34 data-nosnippet>34</a><span class="kw">use </span>rustc_hash::{FxHashMap, FxHashSet}; |
| <a href=#35 id=35 data-nosnippet>35</a><span class="kw">use </span>smallvec::{SmallVec, smallvec}; |
| <a href=#36 id=36 data-nosnippet>36</a><span class="kw">use </span>span::{Edition, FileId, SyntaxContext}; |
| <a href=#37 id=37 data-nosnippet>37</a><span class="kw">use </span>stdx::{TupleExt, always}; |
| <a href=#38 id=38 data-nosnippet>38</a><span class="kw">use </span>syntax::{ |
| <a href=#39 id=39 data-nosnippet>39</a> AstNode, AstToken, Direction, SyntaxKind, SyntaxNode, SyntaxNodePtr, SyntaxToken, TextRange, |
| <a href=#40 id=40 data-nosnippet>40</a> TextSize, |
| <a href=#41 id=41 data-nosnippet>41</a> algo::skip_trivia_token, |
| <a href=#42 id=42 data-nosnippet>42</a> ast::{<span class="self">self</span>, HasAttrs <span class="kw">as _</span>, HasGenericParams}, |
| <a href=#43 id=43 data-nosnippet>43</a>}; |
| <a href=#44 id=44 data-nosnippet>44</a> |
| <a href=#45 id=45 data-nosnippet>45</a><span class="kw">use crate</span>::{ |
| <a href=#46 id=46 data-nosnippet>46</a> Adjust, Adjustment, Adt, AutoBorrow, BindingMode, BuiltinAttr, Callable, Const, ConstParam, |
| <a href=#47 id=47 data-nosnippet>47</a> Crate, DefWithBody, DeriveHelper, Enum, Field, Function, GenericSubstitution, HasSource, Impl, |
| <a href=#48 id=48 data-nosnippet>48</a> InFile, InlineAsmOperand, ItemInNs, Label, LifetimeParam, Local, Macro, Module, ModuleDef, |
| <a href=#49 id=49 data-nosnippet>49</a> Name, OverloadedDeref, ScopeDef, Static, Struct, ToolModule, Trait, TupleField, Type, |
| <a href=#50 id=50 data-nosnippet>50</a> TypeAlias, TypeParam, Union, Variant, VariantDef, |
| <a href=#51 id=51 data-nosnippet>51</a> db::HirDatabase, |
| <a href=#52 id=52 data-nosnippet>52</a> semantics::source_to_def::{ChildContainer, SourceToDefCache, SourceToDefCtx}, |
| <a href=#53 id=53 data-nosnippet>53</a> source_analyzer::{SourceAnalyzer, name_hygiene, resolve_hir_path}, |
| <a href=#54 id=54 data-nosnippet>54</a>}; |
| <a href=#55 id=55 data-nosnippet>55</a> |
| <a href=#56 id=56 data-nosnippet>56</a><span class="kw">const </span>CONTINUE_NO_BREAKS: ControlFlow<Infallible, ()> = ControlFlow::Continue(()); |
| <a href=#57 id=57 data-nosnippet>57</a> |
| <a href=#58 id=58 data-nosnippet>58</a><span class="attr">#[derive(Debug, Copy, Clone, PartialEq, Eq)] |
| <a href=#59 id=59 data-nosnippet>59</a></span><span class="kw">pub enum </span>PathResolution { |
| <a href=#60 id=60 data-nosnippet>60</a> <span class="doccomment">/// An item |
| <a href=#61 id=61 data-nosnippet>61</a> </span>Def(ModuleDef), |
| <a href=#62 id=62 data-nosnippet>62</a> <span class="doccomment">/// A local binding (only value namespace) |
| <a href=#63 id=63 data-nosnippet>63</a> </span>Local(Local), |
| <a href=#64 id=64 data-nosnippet>64</a> <span class="doccomment">/// A type parameter |
| <a href=#65 id=65 data-nosnippet>65</a> </span>TypeParam(TypeParam), |
| <a href=#66 id=66 data-nosnippet>66</a> <span class="doccomment">/// A const parameter |
| <a href=#67 id=67 data-nosnippet>67</a> </span>ConstParam(ConstParam), |
| <a href=#68 id=68 data-nosnippet>68</a> SelfType(Impl), |
| <a href=#69 id=69 data-nosnippet>69</a> BuiltinAttr(BuiltinAttr), |
| <a href=#70 id=70 data-nosnippet>70</a> ToolModule(ToolModule), |
| <a href=#71 id=71 data-nosnippet>71</a> DeriveHelper(DeriveHelper), |
| <a href=#72 id=72 data-nosnippet>72</a>} |
| <a href=#73 id=73 data-nosnippet>73</a> |
| <a href=#74 id=74 data-nosnippet>74</a><span class="kw">impl </span>PathResolution { |
| <a href=#75 id=75 data-nosnippet>75</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>in_type_ns(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><TypeNs> { |
| <a href=#76 id=76 data-nosnippet>76</a> <span class="kw">match </span><span class="self">self </span>{ |
| <a href=#77 id=77 data-nosnippet>77</a> PathResolution::Def(ModuleDef::Adt(adt)) => <span class="prelude-val">Some</span>(TypeNs::AdtId((<span class="kw-2">*</span>adt).into())), |
| <a href=#78 id=78 data-nosnippet>78</a> PathResolution::Def(ModuleDef::BuiltinType(builtin)) => { |
| <a href=#79 id=79 data-nosnippet>79</a> <span class="prelude-val">Some</span>(TypeNs::BuiltinType((<span class="kw-2">*</span>builtin).into())) |
| <a href=#80 id=80 data-nosnippet>80</a> } |
| <a href=#81 id=81 data-nosnippet>81</a> PathResolution::Def( |
| <a href=#82 id=82 data-nosnippet>82</a> ModuleDef::Const(<span class="kw">_</span>) |
| <a href=#83 id=83 data-nosnippet>83</a> | ModuleDef::Variant(<span class="kw">_</span>) |
| <a href=#84 id=84 data-nosnippet>84</a> | ModuleDef::Macro(<span class="kw">_</span>) |
| <a href=#85 id=85 data-nosnippet>85</a> | ModuleDef::Function(<span class="kw">_</span>) |
| <a href=#86 id=86 data-nosnippet>86</a> | ModuleDef::Module(<span class="kw">_</span>) |
| <a href=#87 id=87 data-nosnippet>87</a> | ModuleDef::Static(<span class="kw">_</span>) |
| <a href=#88 id=88 data-nosnippet>88</a> | ModuleDef::Trait(<span class="kw">_</span>), |
| <a href=#89 id=89 data-nosnippet>89</a> ) => <span class="prelude-val">None</span>, |
| <a href=#90 id=90 data-nosnippet>90</a> PathResolution::Def(ModuleDef::TypeAlias(alias)) => { |
| <a href=#91 id=91 data-nosnippet>91</a> <span class="prelude-val">Some</span>(TypeNs::TypeAliasId((<span class="kw-2">*</span>alias).into())) |
| <a href=#92 id=92 data-nosnippet>92</a> } |
| <a href=#93 id=93 data-nosnippet>93</a> PathResolution::BuiltinAttr(<span class="kw">_</span>) |
| <a href=#94 id=94 data-nosnippet>94</a> | PathResolution::ToolModule(<span class="kw">_</span>) |
| <a href=#95 id=95 data-nosnippet>95</a> | PathResolution::Local(<span class="kw">_</span>) |
| <a href=#96 id=96 data-nosnippet>96</a> | PathResolution::DeriveHelper(<span class="kw">_</span>) |
| <a href=#97 id=97 data-nosnippet>97</a> | PathResolution::ConstParam(<span class="kw">_</span>) => <span class="prelude-val">None</span>, |
| <a href=#98 id=98 data-nosnippet>98</a> PathResolution::TypeParam(param) => <span class="prelude-val">Some</span>(TypeNs::GenericParam((<span class="kw-2">*</span>param).into())), |
| <a href=#99 id=99 data-nosnippet>99</a> PathResolution::SelfType(impl_def) => <span class="prelude-val">Some</span>(TypeNs::SelfType((<span class="kw-2">*</span>impl_def).into())), |
| <a href=#100 id=100 data-nosnippet>100</a> } |
| <a href=#101 id=101 data-nosnippet>101</a> } |
| <a href=#102 id=102 data-nosnippet>102</a>} |
| <a href=#103 id=103 data-nosnippet>103</a> |
| <a href=#104 id=104 data-nosnippet>104</a><span class="attr">#[derive(Debug, Copy, Clone, PartialEq, Eq)] |
| <a href=#105 id=105 data-nosnippet>105</a></span><span class="kw">pub struct </span>PathResolutionPerNs { |
| <a href=#106 id=106 data-nosnippet>106</a> <span class="kw">pub </span>type_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#107 id=107 data-nosnippet>107</a> <span class="kw">pub </span>value_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#108 id=108 data-nosnippet>108</a> <span class="kw">pub </span>macro_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#109 id=109 data-nosnippet>109</a>} |
| <a href=#110 id=110 data-nosnippet>110</a> |
| <a href=#111 id=111 data-nosnippet>111</a><span class="kw">impl </span>PathResolutionPerNs { |
| <a href=#112 id=112 data-nosnippet>112</a> <span class="kw">pub fn </span>new( |
| <a href=#113 id=113 data-nosnippet>113</a> type_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#114 id=114 data-nosnippet>114</a> value_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#115 id=115 data-nosnippet>115</a> macro_ns: <span class="prelude-ty">Option</span><PathResolution>, |
| <a href=#116 id=116 data-nosnippet>116</a> ) -> <span class="self">Self </span>{ |
| <a href=#117 id=117 data-nosnippet>117</a> PathResolutionPerNs { type_ns, value_ns, macro_ns } |
| <a href=#118 id=118 data-nosnippet>118</a> } |
| <a href=#119 id=119 data-nosnippet>119</a> <span class="kw">pub fn </span>any(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><PathResolution> { |
| <a href=#120 id=120 data-nosnippet>120</a> <span class="self">self</span>.type_ns.or(<span class="self">self</span>.value_ns).or(<span class="self">self</span>.macro_ns) |
| <a href=#121 id=121 data-nosnippet>121</a> } |
| <a href=#122 id=122 data-nosnippet>122</a>} |
| <a href=#123 id=123 data-nosnippet>123</a> |
| <a href=#124 id=124 data-nosnippet>124</a><span class="attr">#[derive(Debug)] |
| <a href=#125 id=125 data-nosnippet>125</a></span><span class="kw">pub struct </span>TypeInfo<<span class="lifetime">'db</span>> { |
| <a href=#126 id=126 data-nosnippet>126</a> <span class="doccomment">/// The original type of the expression or pattern. |
| <a href=#127 id=127 data-nosnippet>127</a> </span><span class="kw">pub </span>original: Type<<span class="lifetime">'db</span>>, |
| <a href=#128 id=128 data-nosnippet>128</a> <span class="doccomment">/// The adjusted type, if an adjustment happened. |
| <a href=#129 id=129 data-nosnippet>129</a> </span><span class="kw">pub </span>adjusted: <span class="prelude-ty">Option</span><Type<<span class="lifetime">'db</span>>>, |
| <a href=#130 id=130 data-nosnippet>130</a>} |
| <a href=#131 id=131 data-nosnippet>131</a> |
| <a href=#132 id=132 data-nosnippet>132</a><span class="kw">impl</span><<span class="lifetime">'db</span>> TypeInfo<<span class="lifetime">'db</span>> { |
| <a href=#133 id=133 data-nosnippet>133</a> <span class="kw">pub fn </span>original(<span class="self">self</span>) -> Type<<span class="lifetime">'db</span>> { |
| <a href=#134 id=134 data-nosnippet>134</a> <span class="self">self</span>.original |
| <a href=#135 id=135 data-nosnippet>135</a> } |
| <a href=#136 id=136 data-nosnippet>136</a> |
| <a href=#137 id=137 data-nosnippet>137</a> <span class="kw">pub fn </span>has_adjustment(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <a href=#138 id=138 data-nosnippet>138</a> <span class="self">self</span>.adjusted.is_some() |
| <a href=#139 id=139 data-nosnippet>139</a> } |
| <a href=#140 id=140 data-nosnippet>140</a> |
| <a href=#141 id=141 data-nosnippet>141</a> <span class="doccomment">/// The adjusted type, or the original in case no adjustments occurred. |
| <a href=#142 id=142 data-nosnippet>142</a> </span><span class="kw">pub fn </span>adjusted(<span class="self">self</span>) -> Type<<span class="lifetime">'db</span>> { |
| <a href=#143 id=143 data-nosnippet>143</a> <span class="self">self</span>.adjusted.unwrap_or(<span class="self">self</span>.original) |
| <a href=#144 id=144 data-nosnippet>144</a> } |
| <a href=#145 id=145 data-nosnippet>145</a>} |
| <a href=#146 id=146 data-nosnippet>146</a> |
| <a href=#147 id=147 data-nosnippet>147</a><span class="doccomment">/// Primary API to get semantic information, like types, from syntax trees. |
| <a href=#148 id=148 data-nosnippet>148</a></span><span class="kw">pub struct </span>Semantics<<span class="lifetime">'db</span>, DB: <span class="question-mark">?</span>Sized> { |
| <a href=#149 id=149 data-nosnippet>149</a> <span class="kw">pub </span>db: <span class="kw-2">&</span><span class="lifetime">'db </span>DB, |
| <a href=#150 id=150 data-nosnippet>150</a> imp: SemanticsImpl<<span class="lifetime">'db</span>>, |
| <a href=#151 id=151 data-nosnippet>151</a>} |
| <a href=#152 id=152 data-nosnippet>152</a> |
| <a href=#153 id=153 data-nosnippet>153</a><span class="kw">pub struct </span>SemanticsImpl<<span class="lifetime">'db</span>> { |
| <a href=#154 id=154 data-nosnippet>154</a> <span class="kw">pub </span>db: <span class="kw-2">&</span><span class="lifetime">'db </span><span class="kw">dyn </span>HirDatabase, |
| <a href=#155 id=155 data-nosnippet>155</a> s2d_cache: RefCell<SourceToDefCache>, |
| <a href=#156 id=156 data-nosnippet>156</a> <span class="doccomment">/// MacroCall to its expansion's MacroCallId cache |
| <a href=#157 id=157 data-nosnippet>157</a> </span>macro_call_cache: RefCell<FxHashMap<InFile<ast::MacroCall>, MacroCallId>>, |
| <a href=#158 id=158 data-nosnippet>158</a>} |
| <a href=#159 id=159 data-nosnippet>159</a> |
| <a href=#160 id=160 data-nosnippet>160</a><span class="kw">impl</span><DB: <span class="question-mark">?</span>Sized> fmt::Debug <span class="kw">for </span>Semantics<<span class="lifetime">'_</span>, DB> { |
| <a href=#161 id=161 data-nosnippet>161</a> <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| <a href=#162 id=162 data-nosnippet>162</a> <span class="macro">write!</span>(f, <span class="string">"Semantics {{ ... }}"</span>) |
| <a href=#163 id=163 data-nosnippet>163</a> } |
| <a href=#164 id=164 data-nosnippet>164</a>} |
| <a href=#165 id=165 data-nosnippet>165</a> |
| <a href=#166 id=166 data-nosnippet>166</a><span class="kw">impl</span><<span class="lifetime">'db</span>, DB: <span class="question-mark">?</span>Sized> ops::Deref <span class="kw">for </span>Semantics<<span class="lifetime">'db</span>, DB> { |
| <a href=#167 id=167 data-nosnippet>167</a> <span class="kw">type </span>Target = SemanticsImpl<<span class="lifetime">'db</span>>; |
| <a href=#168 id=168 data-nosnippet>168</a> |
| <a href=#169 id=169 data-nosnippet>169</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="self">Self</span>::Target { |
| <a href=#170 id=170 data-nosnippet>170</a> <span class="kw-2">&</span><span class="self">self</span>.imp |
| <a href=#171 id=171 data-nosnippet>171</a> } |
| <a href=#172 id=172 data-nosnippet>172</a>} |
| <a href=#173 id=173 data-nosnippet>173</a> |
| <a href=#174 id=174 data-nosnippet>174</a><span class="comment">// Note: while this variant of `Semantics<'_, _>` might seem unused, as it does not |
| <a href=#175 id=175 data-nosnippet>175</a>// find actual use within the rust-analyzer project itself, it exists to enable the use |
| <a href=#176 id=176 data-nosnippet>176</a>// within e.g. tracked salsa functions in third-party crates that build upon `ra_ap_hir`. |
| <a href=#177 id=177 data-nosnippet>177</a></span><span class="kw">impl </span>Semantics<<span class="lifetime">'_</span>, <span class="kw">dyn </span>HirDatabase> { |
| <a href=#178 id=178 data-nosnippet>178</a> <span class="doccomment">/// Creates an instance that's weakly coupled to its underlying database type. |
| <a href=#179 id=179 data-nosnippet>179</a> </span><span class="kw">pub fn </span>new_dyn(db: <span class="kw-2">&</span><span class="lifetime">'_ </span><span class="kw">dyn </span>HirDatabase) -> Semantics<<span class="lifetime">'_</span>, <span class="kw">dyn </span>HirDatabase> { |
| <a href=#180 id=180 data-nosnippet>180</a> <span class="kw">let </span>impl_ = SemanticsImpl::new(db); |
| <a href=#181 id=181 data-nosnippet>181</a> Semantics { db, imp: impl_ } |
| <a href=#182 id=182 data-nosnippet>182</a> } |
| <a href=#183 id=183 data-nosnippet>183</a>} |
| <a href=#184 id=184 data-nosnippet>184</a> |
| <a href=#185 id=185 data-nosnippet>185</a><span class="kw">impl</span><DB: HirDatabase> Semantics<<span class="lifetime">'_</span>, DB> { |
| <a href=#186 id=186 data-nosnippet>186</a> <span class="doccomment">/// Creates an instance that's strongly coupled to its underlying database type. |
| <a href=#187 id=187 data-nosnippet>187</a> </span><span class="kw">pub fn </span>new(db: <span class="kw-2">&</span>DB) -> Semantics<<span class="lifetime">'_</span>, DB> { |
| <a href=#188 id=188 data-nosnippet>188</a> <span class="kw">let </span>impl_ = SemanticsImpl::new(db); |
| <a href=#189 id=189 data-nosnippet>189</a> Semantics { db, imp: impl_ } |
| <a href=#190 id=190 data-nosnippet>190</a> } |
| <a href=#191 id=191 data-nosnippet>191</a>} |
| <a href=#192 id=192 data-nosnippet>192</a> |
| <a href=#193 id=193 data-nosnippet>193</a><span class="comment">// Note: We take `DB` as `?Sized` here in order to support type-erased |
| <a href=#194 id=194 data-nosnippet>194</a>// use of `Semantics` via `Semantics<'_, dyn HirDatabase>`: |
| <a href=#195 id=195 data-nosnippet>195</a></span><span class="kw">impl</span><DB: HirDatabase + <span class="question-mark">?</span>Sized> Semantics<<span class="lifetime">'_</span>, DB> { |
| <a href=#196 id=196 data-nosnippet>196</a> <span class="kw">pub fn </span>hir_file_for(<span class="kw-2">&</span><span class="self">self</span>, syntax_node: <span class="kw-2">&</span>SyntaxNode) -> HirFileId { |
| <a href=#197 id=197 data-nosnippet>197</a> <span class="self">self</span>.imp.find_file(syntax_node).file_id |
| <a href=#198 id=198 data-nosnippet>198</a> } |
| <a href=#199 id=199 data-nosnippet>199</a> |
| <a href=#200 id=200 data-nosnippet>200</a> <span class="kw">pub fn </span>token_ancestors_with_macros( |
| <a href=#201 id=201 data-nosnippet>201</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#202 id=202 data-nosnippet>202</a> token: SyntaxToken, |
| <a href=#203 id=203 data-nosnippet>203</a> ) -> <span class="kw">impl </span>Iterator<Item = SyntaxNode> + <span class="lifetime">'_ </span>{ |
| <a href=#204 id=204 data-nosnippet>204</a> token.parent().into_iter().flat_map(<span class="kw">move </span>|it| <span class="self">self</span>.ancestors_with_macros(it)) |
| <a href=#205 id=205 data-nosnippet>205</a> } |
| <a href=#206 id=206 data-nosnippet>206</a> |
| <a href=#207 id=207 data-nosnippet>207</a> <span class="doccomment">/// Find an AstNode by offset inside SyntaxNode, if it is inside *Macrofile*, |
| <a href=#208 id=208 data-nosnippet>208</a> /// search up until it is of the target AstNode type |
| <a href=#209 id=209 data-nosnippet>209</a> </span><span class="kw">pub fn </span>find_node_at_offset_with_macros<N: AstNode>( |
| <a href=#210 id=210 data-nosnippet>210</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#211 id=211 data-nosnippet>211</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#212 id=212 data-nosnippet>212</a> offset: TextSize, |
| <a href=#213 id=213 data-nosnippet>213</a> ) -> <span class="prelude-ty">Option</span><N> { |
| <a href=#214 id=214 data-nosnippet>214</a> <span class="self">self</span>.imp.ancestors_at_offset_with_macros(node, offset).find_map(N::cast) |
| <a href=#215 id=215 data-nosnippet>215</a> } |
| <a href=#216 id=216 data-nosnippet>216</a> |
| <a href=#217 id=217 data-nosnippet>217</a> <span class="doccomment">/// Find an AstNode by offset inside SyntaxNode, if it is inside *MacroCall*, |
| <a href=#218 id=218 data-nosnippet>218</a> /// descend it and find again |
| <a href=#219 id=219 data-nosnippet>219</a> </span><span class="comment">// FIXME: Rethink this API |
| <a href=#220 id=220 data-nosnippet>220</a> </span><span class="kw">pub fn </span>find_node_at_offset_with_descend<N: AstNode>( |
| <a href=#221 id=221 data-nosnippet>221</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#222 id=222 data-nosnippet>222</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#223 id=223 data-nosnippet>223</a> offset: TextSize, |
| <a href=#224 id=224 data-nosnippet>224</a> ) -> <span class="prelude-ty">Option</span><N> { |
| <a href=#225 id=225 data-nosnippet>225</a> <span class="self">self</span>.imp.descend_node_at_offset(node, offset).flatten().find_map(N::cast) |
| <a href=#226 id=226 data-nosnippet>226</a> } |
| <a href=#227 id=227 data-nosnippet>227</a> |
| <a href=#228 id=228 data-nosnippet>228</a> <span class="doccomment">/// Find an AstNode by offset inside SyntaxNode, if it is inside an attribute macro call, |
| <a href=#229 id=229 data-nosnippet>229</a> /// descend it and find again |
| <a href=#230 id=230 data-nosnippet>230</a> </span><span class="comment">// FIXME: Rethink this API |
| <a href=#231 id=231 data-nosnippet>231</a> </span><span class="kw">pub fn </span>find_nodes_at_offset_with_descend<<span class="lifetime">'slf</span>, N: AstNode + <span class="lifetime">'slf</span>>( |
| <a href=#232 id=232 data-nosnippet>232</a> <span class="kw-2">&</span><span class="lifetime">'slf </span><span class="self">self</span>, |
| <a href=#233 id=233 data-nosnippet>233</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#234 id=234 data-nosnippet>234</a> offset: TextSize, |
| <a href=#235 id=235 data-nosnippet>235</a> ) -> <span class="kw">impl </span>Iterator<Item = N> + <span class="lifetime">'slf </span>{ |
| <a href=#236 id=236 data-nosnippet>236</a> <span class="self">self</span>.imp.descend_node_at_offset(node, offset).filter_map(|<span class="kw-2">mut </span>it| it.find_map(N::cast)) |
| <a href=#237 id=237 data-nosnippet>237</a> } |
| <a href=#238 id=238 data-nosnippet>238</a> |
| <a href=#239 id=239 data-nosnippet>239</a> <span class="comment">// FIXME: Rethink this API |
| <a href=#240 id=240 data-nosnippet>240</a> </span><span class="kw">pub fn </span>find_namelike_at_offset_with_descend<<span class="lifetime">'slf</span>>( |
| <a href=#241 id=241 data-nosnippet>241</a> <span class="kw-2">&</span><span class="lifetime">'slf </span><span class="self">self</span>, |
| <a href=#242 id=242 data-nosnippet>242</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#243 id=243 data-nosnippet>243</a> offset: TextSize, |
| <a href=#244 id=244 data-nosnippet>244</a> ) -> <span class="kw">impl </span>Iterator<Item = ast::NameLike> + <span class="lifetime">'slf </span>{ |
| <a href=#245 id=245 data-nosnippet>245</a> node.token_at_offset(offset) |
| <a href=#246 id=246 data-nosnippet>246</a> .map(<span class="kw">move </span>|token| <span class="self">self</span>.descend_into_macros_no_opaque(token, <span class="bool-val">true</span>)) |
| <a href=#247 id=247 data-nosnippet>247</a> .map(|descendants| descendants.into_iter().filter_map(<span class="kw">move </span>|it| it.value.parent())) |
| <a href=#248 id=248 data-nosnippet>248</a> <span class="comment">// re-order the tokens from token_at_offset by returning the ancestors with the smaller first nodes first |
| <a href=#249 id=249 data-nosnippet>249</a> // See algo::ancestors_at_offset, which uses the same approach |
| <a href=#250 id=250 data-nosnippet>250</a> </span>.kmerge_by(|left, right| left.text_range().len().lt(<span class="kw-2">&</span>right.text_range().len())) |
| <a href=#251 id=251 data-nosnippet>251</a> .filter_map(ast::NameLike::cast) |
| <a href=#252 id=252 data-nosnippet>252</a> } |
| <a href=#253 id=253 data-nosnippet>253</a> |
| <a href=#254 id=254 data-nosnippet>254</a> <span class="kw">pub fn </span>resolve_range_pat(<span class="kw-2">&</span><span class="self">self</span>, range_pat: <span class="kw-2">&</span>ast::RangePat) -> <span class="prelude-ty">Option</span><Struct> { |
| <a href=#255 id=255 data-nosnippet>255</a> <span class="self">self</span>.imp.resolve_range_pat(range_pat).map(Struct::from) |
| <a href=#256 id=256 data-nosnippet>256</a> } |
| <a href=#257 id=257 data-nosnippet>257</a> |
| <a href=#258 id=258 data-nosnippet>258</a> <span class="kw">pub fn </span>resolve_range_expr(<span class="kw-2">&</span><span class="self">self</span>, range_expr: <span class="kw-2">&</span>ast::RangeExpr) -> <span class="prelude-ty">Option</span><Struct> { |
| <a href=#259 id=259 data-nosnippet>259</a> <span class="self">self</span>.imp.resolve_range_expr(range_expr).map(Struct::from) |
| <a href=#260 id=260 data-nosnippet>260</a> } |
| <a href=#261 id=261 data-nosnippet>261</a> |
| <a href=#262 id=262 data-nosnippet>262</a> <span class="kw">pub fn </span>resolve_await_to_poll(<span class="kw-2">&</span><span class="self">self</span>, await_expr: <span class="kw-2">&</span>ast::AwaitExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#263 id=263 data-nosnippet>263</a> <span class="self">self</span>.imp.resolve_await_to_poll(await_expr).map(Function::from) |
| <a href=#264 id=264 data-nosnippet>264</a> } |
| <a href=#265 id=265 data-nosnippet>265</a> |
| <a href=#266 id=266 data-nosnippet>266</a> <span class="kw">pub fn </span>resolve_prefix_expr(<span class="kw-2">&</span><span class="self">self</span>, prefix_expr: <span class="kw-2">&</span>ast::PrefixExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#267 id=267 data-nosnippet>267</a> <span class="self">self</span>.imp.resolve_prefix_expr(prefix_expr).map(Function::from) |
| <a href=#268 id=268 data-nosnippet>268</a> } |
| <a href=#269 id=269 data-nosnippet>269</a> |
| <a href=#270 id=270 data-nosnippet>270</a> <span class="kw">pub fn </span>resolve_index_expr(<span class="kw-2">&</span><span class="self">self</span>, index_expr: <span class="kw-2">&</span>ast::IndexExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#271 id=271 data-nosnippet>271</a> <span class="self">self</span>.imp.resolve_index_expr(index_expr).map(Function::from) |
| <a href=#272 id=272 data-nosnippet>272</a> } |
| <a href=#273 id=273 data-nosnippet>273</a> |
| <a href=#274 id=274 data-nosnippet>274</a> <span class="kw">pub fn </span>resolve_bin_expr(<span class="kw-2">&</span><span class="self">self</span>, bin_expr: <span class="kw-2">&</span>ast::BinExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#275 id=275 data-nosnippet>275</a> <span class="self">self</span>.imp.resolve_bin_expr(bin_expr).map(Function::from) |
| <a href=#276 id=276 data-nosnippet>276</a> } |
| <a href=#277 id=277 data-nosnippet>277</a> |
| <a href=#278 id=278 data-nosnippet>278</a> <span class="kw">pub fn </span>resolve_try_expr(<span class="kw-2">&</span><span class="self">self</span>, try_expr: <span class="kw-2">&</span>ast::TryExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#279 id=279 data-nosnippet>279</a> <span class="self">self</span>.imp.resolve_try_expr(try_expr).map(Function::from) |
| <a href=#280 id=280 data-nosnippet>280</a> } |
| <a href=#281 id=281 data-nosnippet>281</a> |
| <a href=#282 id=282 data-nosnippet>282</a> <span class="kw">pub fn </span>resolve_variant(<span class="kw-2">&</span><span class="self">self</span>, record_lit: ast::RecordExpr) -> <span class="prelude-ty">Option</span><VariantDef> { |
| <a href=#283 id=283 data-nosnippet>283</a> <span class="self">self</span>.imp.resolve_variant(record_lit).map(VariantDef::from) |
| <a href=#284 id=284 data-nosnippet>284</a> } |
| <a href=#285 id=285 data-nosnippet>285</a> |
| <a href=#286 id=286 data-nosnippet>286</a> <span class="kw">pub fn </span>file_to_module_def(<span class="kw-2">&</span><span class="self">self</span>, file: <span class="kw">impl </span>Into<FileId>) -> <span class="prelude-ty">Option</span><Module> { |
| <a href=#287 id=287 data-nosnippet>287</a> <span class="self">self</span>.imp.file_to_module_defs(file.into()).next() |
| <a href=#288 id=288 data-nosnippet>288</a> } |
| <a href=#289 id=289 data-nosnippet>289</a> |
| <a href=#290 id=290 data-nosnippet>290</a> <span class="kw">pub fn </span>file_to_module_defs(<span class="kw-2">&</span><span class="self">self</span>, file: <span class="kw">impl </span>Into<FileId>) -> <span class="kw">impl </span>Iterator<Item = Module> { |
| <a href=#291 id=291 data-nosnippet>291</a> <span class="self">self</span>.imp.file_to_module_defs(file.into()) |
| <a href=#292 id=292 data-nosnippet>292</a> } |
| <a href=#293 id=293 data-nosnippet>293</a> |
| <a href=#294 id=294 data-nosnippet>294</a> <span class="kw">pub fn </span>hir_file_to_module_def(<span class="kw-2">&</span><span class="self">self</span>, file: <span class="kw">impl </span>Into<HirFileId>) -> <span class="prelude-ty">Option</span><Module> { |
| <a href=#295 id=295 data-nosnippet>295</a> <span class="self">self</span>.imp.hir_file_to_module_defs(file.into()).next() |
| <a href=#296 id=296 data-nosnippet>296</a> } |
| <a href=#297 id=297 data-nosnippet>297</a> |
| <a href=#298 id=298 data-nosnippet>298</a> <span class="kw">pub fn </span>hir_file_to_module_defs( |
| <a href=#299 id=299 data-nosnippet>299</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#300 id=300 data-nosnippet>300</a> file: <span class="kw">impl </span>Into<HirFileId>, |
| <a href=#301 id=301 data-nosnippet>301</a> ) -> <span class="kw">impl </span>Iterator<Item = Module> { |
| <a href=#302 id=302 data-nosnippet>302</a> <span class="self">self</span>.imp.hir_file_to_module_defs(file.into()) |
| <a href=#303 id=303 data-nosnippet>303</a> } |
| <a href=#304 id=304 data-nosnippet>304</a> |
| <a href=#305 id=305 data-nosnippet>305</a> <span class="kw">pub fn </span>to_adt_def(<span class="kw-2">&</span><span class="self">self</span>, a: <span class="kw-2">&</span>ast::Adt) -> <span class="prelude-ty">Option</span><Adt> { |
| <a href=#306 id=306 data-nosnippet>306</a> <span class="self">self</span>.imp.to_def(a) |
| <a href=#307 id=307 data-nosnippet>307</a> } |
| <a href=#308 id=308 data-nosnippet>308</a> |
| <a href=#309 id=309 data-nosnippet>309</a> <span class="kw">pub fn </span>to_const_def(<span class="kw-2">&</span><span class="self">self</span>, c: <span class="kw-2">&</span>ast::Const) -> <span class="prelude-ty">Option</span><Const> { |
| <a href=#310 id=310 data-nosnippet>310</a> <span class="self">self</span>.imp.to_def(c) |
| <a href=#311 id=311 data-nosnippet>311</a> } |
| <a href=#312 id=312 data-nosnippet>312</a> |
| <a href=#313 id=313 data-nosnippet>313</a> <span class="kw">pub fn </span>to_enum_def(<span class="kw-2">&</span><span class="self">self</span>, e: <span class="kw-2">&</span>ast::Enum) -> <span class="prelude-ty">Option</span><Enum> { |
| <a href=#314 id=314 data-nosnippet>314</a> <span class="self">self</span>.imp.to_def(e) |
| <a href=#315 id=315 data-nosnippet>315</a> } |
| <a href=#316 id=316 data-nosnippet>316</a> |
| <a href=#317 id=317 data-nosnippet>317</a> <span class="kw">pub fn </span>to_enum_variant_def(<span class="kw-2">&</span><span class="self">self</span>, v: <span class="kw-2">&</span>ast::Variant) -> <span class="prelude-ty">Option</span><Variant> { |
| <a href=#318 id=318 data-nosnippet>318</a> <span class="self">self</span>.imp.to_def(v) |
| <a href=#319 id=319 data-nosnippet>319</a> } |
| <a href=#320 id=320 data-nosnippet>320</a> |
| <a href=#321 id=321 data-nosnippet>321</a> <span class="kw">pub fn </span>to_fn_def(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&</span>ast::Fn) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#322 id=322 data-nosnippet>322</a> <span class="self">self</span>.imp.to_def(f) |
| <a href=#323 id=323 data-nosnippet>323</a> } |
| <a href=#324 id=324 data-nosnippet>324</a> |
| <a href=#325 id=325 data-nosnippet>325</a> <span class="kw">pub fn </span>to_impl_def(<span class="kw-2">&</span><span class="self">self</span>, i: <span class="kw-2">&</span>ast::Impl) -> <span class="prelude-ty">Option</span><Impl> { |
| <a href=#326 id=326 data-nosnippet>326</a> <span class="self">self</span>.imp.to_def(i) |
| <a href=#327 id=327 data-nosnippet>327</a> } |
| <a href=#328 id=328 data-nosnippet>328</a> |
| <a href=#329 id=329 data-nosnippet>329</a> <span class="kw">pub fn </span>to_macro_def(<span class="kw-2">&</span><span class="self">self</span>, m: <span class="kw-2">&</span>ast::Macro) -> <span class="prelude-ty">Option</span><Macro> { |
| <a href=#330 id=330 data-nosnippet>330</a> <span class="self">self</span>.imp.to_def(m) |
| <a href=#331 id=331 data-nosnippet>331</a> } |
| <a href=#332 id=332 data-nosnippet>332</a> |
| <a href=#333 id=333 data-nosnippet>333</a> <span class="kw">pub fn </span>to_module_def(<span class="kw-2">&</span><span class="self">self</span>, m: <span class="kw-2">&</span>ast::Module) -> <span class="prelude-ty">Option</span><Module> { |
| <a href=#334 id=334 data-nosnippet>334</a> <span class="self">self</span>.imp.to_def(m) |
| <a href=#335 id=335 data-nosnippet>335</a> } |
| <a href=#336 id=336 data-nosnippet>336</a> |
| <a href=#337 id=337 data-nosnippet>337</a> <span class="kw">pub fn </span>to_static_def(<span class="kw-2">&</span><span class="self">self</span>, s: <span class="kw-2">&</span>ast::Static) -> <span class="prelude-ty">Option</span><Static> { |
| <a href=#338 id=338 data-nosnippet>338</a> <span class="self">self</span>.imp.to_def(s) |
| <a href=#339 id=339 data-nosnippet>339</a> } |
| <a href=#340 id=340 data-nosnippet>340</a> |
| <a href=#341 id=341 data-nosnippet>341</a> <span class="kw">pub fn </span>to_struct_def(<span class="kw-2">&</span><span class="self">self</span>, s: <span class="kw-2">&</span>ast::Struct) -> <span class="prelude-ty">Option</span><Struct> { |
| <a href=#342 id=342 data-nosnippet>342</a> <span class="self">self</span>.imp.to_def(s) |
| <a href=#343 id=343 data-nosnippet>343</a> } |
| <a href=#344 id=344 data-nosnippet>344</a> |
| <a href=#345 id=345 data-nosnippet>345</a> <span class="kw">pub fn </span>to_trait_def(<span class="kw-2">&</span><span class="self">self</span>, t: <span class="kw-2">&</span>ast::Trait) -> <span class="prelude-ty">Option</span><Trait> { |
| <a href=#346 id=346 data-nosnippet>346</a> <span class="self">self</span>.imp.to_def(t) |
| <a href=#347 id=347 data-nosnippet>347</a> } |
| <a href=#348 id=348 data-nosnippet>348</a> |
| <a href=#349 id=349 data-nosnippet>349</a> <span class="kw">pub fn </span>to_type_alias_def(<span class="kw-2">&</span><span class="self">self</span>, t: <span class="kw-2">&</span>ast::TypeAlias) -> <span class="prelude-ty">Option</span><TypeAlias> { |
| <a href=#350 id=350 data-nosnippet>350</a> <span class="self">self</span>.imp.to_def(t) |
| <a href=#351 id=351 data-nosnippet>351</a> } |
| <a href=#352 id=352 data-nosnippet>352</a> |
| <a href=#353 id=353 data-nosnippet>353</a> <span class="kw">pub fn </span>to_union_def(<span class="kw-2">&</span><span class="self">self</span>, u: <span class="kw-2">&</span>ast::Union) -> <span class="prelude-ty">Option</span><Union> { |
| <a href=#354 id=354 data-nosnippet>354</a> <span class="self">self</span>.imp.to_def(u) |
| <a href=#355 id=355 data-nosnippet>355</a> } |
| <a href=#356 id=356 data-nosnippet>356</a>} |
| <a href=#357 id=357 data-nosnippet>357</a> |
| <a href=#358 id=358 data-nosnippet>358</a><span class="kw">impl</span><<span class="lifetime">'db</span>> SemanticsImpl<<span class="lifetime">'db</span>> { |
| <a href=#359 id=359 data-nosnippet>359</a> <span class="kw">fn </span>new(db: <span class="kw-2">&</span><span class="lifetime">'db </span><span class="kw">dyn </span>HirDatabase) -> <span class="self">Self </span>{ |
| <a href=#360 id=360 data-nosnippet>360</a> SemanticsImpl { db, s2d_cache: Default::default(), macro_call_cache: Default::default() } |
| <a href=#361 id=361 data-nosnippet>361</a> } |
| <a href=#362 id=362 data-nosnippet>362</a> |
| <a href=#363 id=363 data-nosnippet>363</a> <span class="kw">pub fn </span>parse(<span class="kw-2">&</span><span class="self">self</span>, file_id: EditionedFileId) -> ast::SourceFile { |
| <a href=#364 id=364 data-nosnippet>364</a> <span class="kw">let </span>hir_file_id = file_id.into(); |
| <a href=#365 id=365 data-nosnippet>365</a> <span class="kw">let </span>tree = <span class="self">self</span>.db.parse(file_id).tree(); |
| <a href=#366 id=366 data-nosnippet>366</a> <span class="self">self</span>.cache(tree.syntax().clone(), hir_file_id); |
| <a href=#367 id=367 data-nosnippet>367</a> tree |
| <a href=#368 id=368 data-nosnippet>368</a> } |
| <a href=#369 id=369 data-nosnippet>369</a> |
| <a href=#370 id=370 data-nosnippet>370</a> <span class="doccomment">/// If not crate is found for the file, try to return the last crate in topological order. |
| <a href=#371 id=371 data-nosnippet>371</a> </span><span class="kw">pub fn </span>first_crate(<span class="kw-2">&</span><span class="self">self</span>, file: FileId) -> <span class="prelude-ty">Option</span><Crate> { |
| <a href=#372 id=372 data-nosnippet>372</a> <span class="kw">match </span><span class="self">self</span>.file_to_module_defs(file).next() { |
| <a href=#373 id=373 data-nosnippet>373</a> <span class="prelude-val">Some</span>(module) => <span class="prelude-val">Some</span>(module.krate()), |
| <a href=#374 id=374 data-nosnippet>374</a> <span class="prelude-val">None </span>=> <span class="self">self</span>.db.all_crates().last().copied().map(Into::into), |
| <a href=#375 id=375 data-nosnippet>375</a> } |
| <a href=#376 id=376 data-nosnippet>376</a> } |
| <a href=#377 id=377 data-nosnippet>377</a> |
| <a href=#378 id=378 data-nosnippet>378</a> <span class="kw">pub fn </span>attach_first_edition(<span class="kw-2">&</span><span class="self">self</span>, file: FileId) -> <span class="prelude-ty">Option</span><EditionedFileId> { |
| <a href=#379 id=379 data-nosnippet>379</a> <span class="prelude-val">Some</span>(EditionedFileId::new( |
| <a href=#380 id=380 data-nosnippet>380</a> <span class="self">self</span>.db, |
| <a href=#381 id=381 data-nosnippet>381</a> file, |
| <a href=#382 id=382 data-nosnippet>382</a> <span class="self">self</span>.file_to_module_defs(file).next()<span class="question-mark">?</span>.krate().edition(<span class="self">self</span>.db), |
| <a href=#383 id=383 data-nosnippet>383</a> )) |
| <a href=#384 id=384 data-nosnippet>384</a> } |
| <a href=#385 id=385 data-nosnippet>385</a> |
| <a href=#386 id=386 data-nosnippet>386</a> <span class="kw">pub fn </span>parse_guess_edition(<span class="kw-2">&</span><span class="self">self</span>, file_id: FileId) -> ast::SourceFile { |
| <a href=#387 id=387 data-nosnippet>387</a> <span class="kw">let </span>file_id = <span class="self">self |
| <a href=#388 id=388 data-nosnippet>388</a> </span>.attach_first_edition(file_id) |
| <a href=#389 id=389 data-nosnippet>389</a> .unwrap_or_else(|| EditionedFileId::new(<span class="self">self</span>.db, file_id, Edition::CURRENT)); |
| <a href=#390 id=390 data-nosnippet>390</a> |
| <a href=#391 id=391 data-nosnippet>391</a> <span class="kw">let </span>tree = <span class="self">self</span>.db.parse(file_id).tree(); |
| <a href=#392 id=392 data-nosnippet>392</a> <span class="self">self</span>.cache(tree.syntax().clone(), file_id.into()); |
| <a href=#393 id=393 data-nosnippet>393</a> tree |
| <a href=#394 id=394 data-nosnippet>394</a> } |
| <a href=#395 id=395 data-nosnippet>395</a> |
| <a href=#396 id=396 data-nosnippet>396</a> <span class="kw">pub fn </span>adjust_edition(<span class="kw-2">&</span><span class="self">self</span>, file_id: HirFileId) -> HirFileId { |
| <a href=#397 id=397 data-nosnippet>397</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(editioned_file_id) = file_id.file_id() { |
| <a href=#398 id=398 data-nosnippet>398</a> <span class="self">self</span>.attach_first_edition(editioned_file_id.file_id(<span class="self">self</span>.db)) |
| <a href=#399 id=399 data-nosnippet>399</a> .map_or(file_id, Into::into) |
| <a href=#400 id=400 data-nosnippet>400</a> } <span class="kw">else </span>{ |
| <a href=#401 id=401 data-nosnippet>401</a> file_id |
| <a href=#402 id=402 data-nosnippet>402</a> } |
| <a href=#403 id=403 data-nosnippet>403</a> } |
| <a href=#404 id=404 data-nosnippet>404</a> |
| <a href=#405 id=405 data-nosnippet>405</a> <span class="kw">pub fn </span>find_parent_file(<span class="kw-2">&</span><span class="self">self</span>, file_id: HirFileId) -> <span class="prelude-ty">Option</span><InFile<SyntaxNode>> { |
| <a href=#406 id=406 data-nosnippet>406</a> <span class="kw">match </span>file_id { |
| <a href=#407 id=407 data-nosnippet>407</a> HirFileId::FileId(file_id) => { |
| <a href=#408 id=408 data-nosnippet>408</a> <span class="kw">let </span>module = <span class="self">self</span>.file_to_module_defs(file_id.file_id(<span class="self">self</span>.db)).next()<span class="question-mark">?</span>; |
| <a href=#409 id=409 data-nosnippet>409</a> <span class="kw">let </span>def_map = crate_def_map(<span class="self">self</span>.db, module.krate().id); |
| <a href=#410 id=410 data-nosnippet>410</a> <span class="kw">match </span>def_map[module.id.local_id].origin { |
| <a href=#411 id=411 data-nosnippet>411</a> ModuleOrigin::CrateRoot { .. } => <span class="prelude-val">None</span>, |
| <a href=#412 id=412 data-nosnippet>412</a> ModuleOrigin::File { declaration, declaration_tree_id, .. } => { |
| <a href=#413 id=413 data-nosnippet>413</a> <span class="kw">let </span>file_id = declaration_tree_id.file_id(); |
| <a href=#414 id=414 data-nosnippet>414</a> <span class="kw">let </span>in_file = InFile::new(file_id, declaration); |
| <a href=#415 id=415 data-nosnippet>415</a> <span class="kw">let </span>node = in_file.to_node(<span class="self">self</span>.db); |
| <a href=#416 id=416 data-nosnippet>416</a> <span class="kw">let </span>root = find_root(node.syntax()); |
| <a href=#417 id=417 data-nosnippet>417</a> <span class="self">self</span>.cache(root, file_id); |
| <a href=#418 id=418 data-nosnippet>418</a> <span class="prelude-val">Some</span>(in_file.with_value(node.syntax().clone())) |
| <a href=#419 id=419 data-nosnippet>419</a> } |
| <a href=#420 id=420 data-nosnippet>420</a> <span class="kw">_ </span>=> <span class="macro">unreachable!</span>(<span class="string">"FileId can only belong to a file module"</span>), |
| <a href=#421 id=421 data-nosnippet>421</a> } |
| <a href=#422 id=422 data-nosnippet>422</a> } |
| <a href=#423 id=423 data-nosnippet>423</a> HirFileId::MacroFile(macro_file) => { |
| <a href=#424 id=424 data-nosnippet>424</a> <span class="kw">let </span>node = <span class="self">self</span>.db.lookup_intern_macro_call(macro_file).to_node(<span class="self">self</span>.db); |
| <a href=#425 id=425 data-nosnippet>425</a> <span class="kw">let </span>root = find_root(<span class="kw-2">&</span>node.value); |
| <a href=#426 id=426 data-nosnippet>426</a> <span class="self">self</span>.cache(root, node.file_id); |
| <a href=#427 id=427 data-nosnippet>427</a> <span class="prelude-val">Some</span>(node) |
| <a href=#428 id=428 data-nosnippet>428</a> } |
| <a href=#429 id=429 data-nosnippet>429</a> } |
| <a href=#430 id=430 data-nosnippet>430</a> } |
| <a href=#431 id=431 data-nosnippet>431</a> |
| <a href=#432 id=432 data-nosnippet>432</a> <span class="doccomment">/// Returns the `SyntaxNode` of the module. If this is a file module, returns |
| <a href=#433 id=433 data-nosnippet>433</a> /// the `SyntaxNode` of the *definition* file, not of the *declaration*. |
| <a href=#434 id=434 data-nosnippet>434</a> </span><span class="kw">pub fn </span>module_definition_node(<span class="kw-2">&</span><span class="self">self</span>, module: Module) -> InFile<SyntaxNode> { |
| <a href=#435 id=435 data-nosnippet>435</a> <span class="kw">let </span>def_map = module.id.def_map(<span class="self">self</span>.db); |
| <a href=#436 id=436 data-nosnippet>436</a> <span class="kw">let </span>definition = def_map[module.id.local_id].origin.definition_source(<span class="self">self</span>.db); |
| <a href=#437 id=437 data-nosnippet>437</a> <span class="kw">let </span>definition = definition.map(|it| it.node()); |
| <a href=#438 id=438 data-nosnippet>438</a> <span class="kw">let </span>root_node = find_root(<span class="kw-2">&</span>definition.value); |
| <a href=#439 id=439 data-nosnippet>439</a> <span class="self">self</span>.cache(root_node, definition.file_id); |
| <a href=#440 id=440 data-nosnippet>440</a> definition |
| <a href=#441 id=441 data-nosnippet>441</a> } |
| <a href=#442 id=442 data-nosnippet>442</a> |
| <a href=#443 id=443 data-nosnippet>443</a> <span class="kw">pub fn </span>parse_or_expand(<span class="kw-2">&</span><span class="self">self</span>, file_id: HirFileId) -> SyntaxNode { |
| <a href=#444 id=444 data-nosnippet>444</a> <span class="kw">let </span>node = <span class="self">self</span>.db.parse_or_expand(file_id); |
| <a href=#445 id=445 data-nosnippet>445</a> <span class="self">self</span>.cache(node.clone(), file_id); |
| <a href=#446 id=446 data-nosnippet>446</a> node |
| <a href=#447 id=447 data-nosnippet>447</a> } |
| <a href=#448 id=448 data-nosnippet>448</a> |
| <a href=#449 id=449 data-nosnippet>449</a> <span class="kw">pub fn </span>expand(<span class="kw-2">&</span><span class="self">self</span>, file_id: MacroCallId) -> ExpandResult<SyntaxNode> { |
| <a href=#450 id=450 data-nosnippet>450</a> <span class="kw">let </span>res = <span class="self">self</span>.db.parse_macro_expansion(file_id).map(|it| it.<span class="number">0</span>.syntax_node()); |
| <a href=#451 id=451 data-nosnippet>451</a> <span class="self">self</span>.cache(res.value.clone(), file_id.into()); |
| <a href=#452 id=452 data-nosnippet>452</a> res |
| <a href=#453 id=453 data-nosnippet>453</a> } |
| <a href=#454 id=454 data-nosnippet>454</a> |
| <a href=#455 id=455 data-nosnippet>455</a> <span class="kw">pub fn </span>expand_macro_call(<span class="kw-2">&</span><span class="self">self</span>, macro_call: <span class="kw-2">&</span>ast::MacroCall) -> <span class="prelude-ty">Option</span><InFile<SyntaxNode>> { |
| <a href=#456 id=456 data-nosnippet>456</a> <span class="kw">let </span>file_id = <span class="self">self</span>.to_def(macro_call)<span class="question-mark">?</span>; |
| <a href=#457 id=457 data-nosnippet>457</a> <span class="kw">let </span>node = <span class="self">self</span>.parse_or_expand(file_id.into()); |
| <a href=#458 id=458 data-nosnippet>458</a> <span class="prelude-val">Some</span>(InFile::new(file_id.into(), node)) |
| <a href=#459 id=459 data-nosnippet>459</a> } |
| <a href=#460 id=460 data-nosnippet>460</a> |
| <a href=#461 id=461 data-nosnippet>461</a> <span class="kw">pub fn </span>check_cfg_attr(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::TokenTree) -> <span class="prelude-ty">Option</span><bool> { |
| <a href=#462 id=462 data-nosnippet>462</a> <span class="kw">let </span>file_id = <span class="self">self</span>.find_file(attr.syntax()).file_id; |
| <a href=#463 id=463 data-nosnippet>463</a> <span class="kw">let </span>krate = <span class="kw">match </span>file_id { |
| <a href=#464 id=464 data-nosnippet>464</a> HirFileId::FileId(file_id) => { |
| <a href=#465 id=465 data-nosnippet>465</a> <span class="self">self</span>.file_to_module_defs(file_id.file_id(<span class="self">self</span>.db)).next()<span class="question-mark">?</span>.krate().id |
| <a href=#466 id=466 data-nosnippet>466</a> } |
| <a href=#467 id=467 data-nosnippet>467</a> HirFileId::MacroFile(macro_file) => <span class="self">self</span>.db.lookup_intern_macro_call(macro_file).krate, |
| <a href=#468 id=468 data-nosnippet>468</a> }; |
| <a href=#469 id=469 data-nosnippet>469</a> hir_expand::check_cfg_attr_value(<span class="self">self</span>.db, attr, krate) |
| <a href=#470 id=470 data-nosnippet>470</a> } |
| <a href=#471 id=471 data-nosnippet>471</a> |
| <a href=#472 id=472 data-nosnippet>472</a> <span class="doccomment">/// Expands the macro if it isn't one of the built-in ones that expand to custom syntax or dummy |
| <a href=#473 id=473 data-nosnippet>473</a> /// expansions. |
| <a href=#474 id=474 data-nosnippet>474</a> </span><span class="kw">pub fn </span>expand_allowed_builtins( |
| <a href=#475 id=475 data-nosnippet>475</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#476 id=476 data-nosnippet>476</a> macro_call: <span class="kw-2">&</span>ast::MacroCall, |
| <a href=#477 id=477 data-nosnippet>477</a> ) -> <span class="prelude-ty">Option</span><ExpandResult<SyntaxNode>> { |
| <a href=#478 id=478 data-nosnippet>478</a> <span class="kw">let </span>file_id = <span class="self">self</span>.to_def(macro_call)<span class="question-mark">?</span>; |
| <a href=#479 id=479 data-nosnippet>479</a> <span class="kw">let </span>macro_call = <span class="self">self</span>.db.lookup_intern_macro_call(file_id); |
| <a href=#480 id=480 data-nosnippet>480</a> |
| <a href=#481 id=481 data-nosnippet>481</a> <span class="kw">let </span>skip = <span class="macro">matches!</span>( |
| <a href=#482 id=482 data-nosnippet>482</a> macro_call.def.kind, |
| <a href=#483 id=483 data-nosnippet>483</a> hir_expand::MacroDefKind::BuiltIn( |
| <a href=#484 id=484 data-nosnippet>484</a> <span class="kw">_</span>, |
| <a href=#485 id=485 data-nosnippet>485</a> BuiltinFnLikeExpander::Column |
| <a href=#486 id=486 data-nosnippet>486</a> | BuiltinFnLikeExpander::File |
| <a href=#487 id=487 data-nosnippet>487</a> | BuiltinFnLikeExpander::ModulePath |
| <a href=#488 id=488 data-nosnippet>488</a> | BuiltinFnLikeExpander::Asm |
| <a href=#489 id=489 data-nosnippet>489</a> | BuiltinFnLikeExpander::GlobalAsm |
| <a href=#490 id=490 data-nosnippet>490</a> | BuiltinFnLikeExpander::NakedAsm |
| <a href=#491 id=491 data-nosnippet>491</a> | BuiltinFnLikeExpander::LogSyntax |
| <a href=#492 id=492 data-nosnippet>492</a> | BuiltinFnLikeExpander::TraceMacros |
| <a href=#493 id=493 data-nosnippet>493</a> | BuiltinFnLikeExpander::FormatArgs |
| <a href=#494 id=494 data-nosnippet>494</a> | BuiltinFnLikeExpander::FormatArgsNl |
| <a href=#495 id=495 data-nosnippet>495</a> | BuiltinFnLikeExpander::ConstFormatArgs, |
| <a href=#496 id=496 data-nosnippet>496</a> ) | hir_expand::MacroDefKind::BuiltInEager(<span class="kw">_</span>, EagerExpander::CompileError) |
| <a href=#497 id=497 data-nosnippet>497</a> ); |
| <a href=#498 id=498 data-nosnippet>498</a> <span class="kw">if </span>skip { |
| <a href=#499 id=499 data-nosnippet>499</a> <span class="comment">// these macros expand to custom builtin syntax and/or dummy things, no point in |
| <a href=#500 id=500 data-nosnippet>500</a> // showing these to the user |
| <a href=#501 id=501 data-nosnippet>501</a> </span><span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#502 id=502 data-nosnippet>502</a> } |
| <a href=#503 id=503 data-nosnippet>503</a> |
| <a href=#504 id=504 data-nosnippet>504</a> <span class="kw">let </span>node = <span class="self">self</span>.expand(file_id); |
| <a href=#505 id=505 data-nosnippet>505</a> <span class="prelude-val">Some</span>(node) |
| <a href=#506 id=506 data-nosnippet>506</a> } |
| <a href=#507 id=507 data-nosnippet>507</a> |
| <a href=#508 id=508 data-nosnippet>508</a> <span class="doccomment">/// If `item` has an attribute macro attached to it, expands it. |
| <a href=#509 id=509 data-nosnippet>509</a> </span><span class="kw">pub fn </span>expand_attr_macro(<span class="kw-2">&</span><span class="self">self</span>, item: <span class="kw-2">&</span>ast::Item) -> <span class="prelude-ty">Option</span><ExpandResult<InFile<SyntaxNode>>> { |
| <a href=#510 id=510 data-nosnippet>510</a> <span class="kw">let </span>src = <span class="self">self</span>.wrap_node_infile(item.clone()); |
| <a href=#511 id=511 data-nosnippet>511</a> <span class="kw">let </span>macro_call_id = <span class="self">self</span>.with_ctx(|ctx| ctx.item_to_macro_call(src.as_ref()))<span class="question-mark">?</span>; |
| <a href=#512 id=512 data-nosnippet>512</a> <span class="prelude-val">Some</span>(<span class="self">self</span>.expand(macro_call_id).map(|it| InFile::new(macro_call_id.into(), it))) |
| <a href=#513 id=513 data-nosnippet>513</a> } |
| <a href=#514 id=514 data-nosnippet>514</a> |
| <a href=#515 id=515 data-nosnippet>515</a> <span class="kw">pub fn </span>expand_derive_as_pseudo_attr_macro(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::Attr) -> <span class="prelude-ty">Option</span><SyntaxNode> { |
| <a href=#516 id=516 data-nosnippet>516</a> <span class="kw">let </span>adt = attr.syntax().parent().and_then(ast::Adt::cast)<span class="question-mark">?</span>; |
| <a href=#517 id=517 data-nosnippet>517</a> <span class="kw">let </span>src = <span class="self">self</span>.wrap_node_infile(attr.clone()); |
| <a href=#518 id=518 data-nosnippet>518</a> <span class="kw">let </span>call_id = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#519 id=519 data-nosnippet>519</a> ctx.attr_to_derive_macro_call(src.with_value(<span class="kw-2">&</span>adt), src).map(|(<span class="kw">_</span>, it, <span class="kw">_</span>)| it) |
| <a href=#520 id=520 data-nosnippet>520</a> })<span class="question-mark">?</span>; |
| <a href=#521 id=521 data-nosnippet>521</a> <span class="prelude-val">Some</span>(<span class="self">self</span>.parse_or_expand(call_id.into())) |
| <a href=#522 id=522 data-nosnippet>522</a> } |
| <a href=#523 id=523 data-nosnippet>523</a> |
| <a href=#524 id=524 data-nosnippet>524</a> <span class="kw">pub fn </span>resolve_derive_macro(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::Attr) -> <span class="prelude-ty">Option</span><Vec<<span class="prelude-ty">Option</span><Macro>>> { |
| <a href=#525 id=525 data-nosnippet>525</a> <span class="kw">let </span>calls = <span class="self">self</span>.derive_macro_calls(attr)<span class="question-mark">?</span>; |
| <a href=#526 id=526 data-nosnippet>526</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#527 id=527 data-nosnippet>527</a> <span class="prelude-val">Some</span>( |
| <a href=#528 id=528 data-nosnippet>528</a> calls |
| <a href=#529 id=529 data-nosnippet>529</a> .into_iter() |
| <a href=#530 id=530 data-nosnippet>530</a> .map(|call| macro_call_to_macro_id(ctx, call<span class="question-mark">?</span>).map(|id| Macro { id })) |
| <a href=#531 id=531 data-nosnippet>531</a> .collect(), |
| <a href=#532 id=532 data-nosnippet>532</a> ) |
| <a href=#533 id=533 data-nosnippet>533</a> }) |
| <a href=#534 id=534 data-nosnippet>534</a> } |
| <a href=#535 id=535 data-nosnippet>535</a> |
| <a href=#536 id=536 data-nosnippet>536</a> <span class="kw">pub fn </span>expand_derive_macro(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::Attr) -> <span class="prelude-ty">Option</span><Vec<ExpandResult<SyntaxNode>>> { |
| <a href=#537 id=537 data-nosnippet>537</a> <span class="kw">let </span>res: Vec<<span class="kw">_</span>> = <span class="self">self |
| <a href=#538 id=538 data-nosnippet>538</a> </span>.derive_macro_calls(attr)<span class="question-mark">? |
| <a href=#539 id=539 data-nosnippet>539</a> </span>.into_iter() |
| <a href=#540 id=540 data-nosnippet>540</a> .flat_map(|call| { |
| <a href=#541 id=541 data-nosnippet>541</a> <span class="kw">let </span>file_id = call<span class="question-mark">?</span>; |
| <a href=#542 id=542 data-nosnippet>542</a> <span class="kw">let </span>ExpandResult { value, err } = <span class="self">self</span>.db.parse_macro_expansion(file_id); |
| <a href=#543 id=543 data-nosnippet>543</a> <span class="kw">let </span>root_node = value.<span class="number">0</span>.syntax_node(); |
| <a href=#544 id=544 data-nosnippet>544</a> <span class="self">self</span>.cache(root_node.clone(), file_id.into()); |
| <a href=#545 id=545 data-nosnippet>545</a> <span class="prelude-val">Some</span>(ExpandResult { value: root_node, err }) |
| <a href=#546 id=546 data-nosnippet>546</a> }) |
| <a href=#547 id=547 data-nosnippet>547</a> .collect(); |
| <a href=#548 id=548 data-nosnippet>548</a> <span class="prelude-val">Some</span>(res) |
| <a href=#549 id=549 data-nosnippet>549</a> } |
| <a href=#550 id=550 data-nosnippet>550</a> |
| <a href=#551 id=551 data-nosnippet>551</a> <span class="kw">fn </span>derive_macro_calls(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::Attr) -> <span class="prelude-ty">Option</span><Vec<<span class="prelude-ty">Option</span><MacroCallId>>> { |
| <a href=#552 id=552 data-nosnippet>552</a> <span class="kw">let </span>adt = attr.syntax().parent().and_then(ast::Adt::cast)<span class="question-mark">?</span>; |
| <a href=#553 id=553 data-nosnippet>553</a> <span class="kw">let </span>file_id = <span class="self">self</span>.find_file(adt.syntax()).file_id; |
| <a href=#554 id=554 data-nosnippet>554</a> <span class="kw">let </span>adt = InFile::new(file_id, <span class="kw-2">&</span>adt); |
| <a href=#555 id=555 data-nosnippet>555</a> <span class="kw">let </span>src = InFile::new(file_id, attr.clone()); |
| <a href=#556 id=556 data-nosnippet>556</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#557 id=557 data-nosnippet>557</a> <span class="kw">let </span>(.., res) = ctx.attr_to_derive_macro_call(adt, src)<span class="question-mark">?</span>; |
| <a href=#558 id=558 data-nosnippet>558</a> <span class="prelude-val">Some</span>(res.to_vec()) |
| <a href=#559 id=559 data-nosnippet>559</a> }) |
| <a href=#560 id=560 data-nosnippet>560</a> } |
| <a href=#561 id=561 data-nosnippet>561</a> |
| <a href=#562 id=562 data-nosnippet>562</a> <span class="kw">pub fn </span>is_derive_annotated(<span class="kw-2">&</span><span class="self">self</span>, adt: InFile<<span class="kw-2">&</span>ast::Adt>) -> bool { |
| <a href=#563 id=563 data-nosnippet>563</a> <span class="self">self</span>.with_ctx(|ctx| ctx.file_of_adt_has_derives(adt)) |
| <a href=#564 id=564 data-nosnippet>564</a> } |
| <a href=#565 id=565 data-nosnippet>565</a> |
| <a href=#566 id=566 data-nosnippet>566</a> <span class="kw">pub fn </span>derive_helpers_in_scope(<span class="kw-2">&</span><span class="self">self</span>, adt: <span class="kw-2">&</span>ast::Adt) -> <span class="prelude-ty">Option</span><Vec<(Symbol, Symbol)>> { |
| <a href=#567 id=567 data-nosnippet>567</a> <span class="kw">let </span>sa = <span class="self">self</span>.analyze_no_infer(adt.syntax())<span class="question-mark">?</span>; |
| <a href=#568 id=568 data-nosnippet>568</a> <span class="kw">let </span>id = <span class="self">self</span>.db.ast_id_map(sa.file_id).ast_id(adt); |
| <a href=#569 id=569 data-nosnippet>569</a> <span class="kw">let </span>result = sa |
| <a href=#570 id=570 data-nosnippet>570</a> .resolver |
| <a href=#571 id=571 data-nosnippet>571</a> .def_map() |
| <a href=#572 id=572 data-nosnippet>572</a> .derive_helpers_in_scope(InFile::new(sa.file_id, id))<span class="question-mark">? |
| <a href=#573 id=573 data-nosnippet>573</a> </span>.iter() |
| <a href=#574 id=574 data-nosnippet>574</a> .map(|(name, macro_, <span class="kw">_</span>)| { |
| <a href=#575 id=575 data-nosnippet>575</a> <span class="kw">let </span>macro_name = Macro::from(<span class="kw-2">*</span>macro_).name(<span class="self">self</span>.db).symbol().clone(); |
| <a href=#576 id=576 data-nosnippet>576</a> (name.symbol().clone(), macro_name) |
| <a href=#577 id=577 data-nosnippet>577</a> }) |
| <a href=#578 id=578 data-nosnippet>578</a> .collect(); |
| <a href=#579 id=579 data-nosnippet>579</a> <span class="prelude-val">Some</span>(result) |
| <a href=#580 id=580 data-nosnippet>580</a> } |
| <a href=#581 id=581 data-nosnippet>581</a> |
| <a href=#582 id=582 data-nosnippet>582</a> <span class="kw">pub fn </span>derive_helper(<span class="kw-2">&</span><span class="self">self</span>, attr: <span class="kw-2">&</span>ast::Attr) -> <span class="prelude-ty">Option</span><Vec<(Macro, MacroCallId)>> { |
| <a href=#583 id=583 data-nosnippet>583</a> <span class="kw">let </span>adt = attr.syntax().ancestors().find_map(ast::Item::cast).and_then(|it| <span class="kw">match </span>it { |
| <a href=#584 id=584 data-nosnippet>584</a> ast::Item::Struct(it) => <span class="prelude-val">Some</span>(ast::Adt::Struct(it)), |
| <a href=#585 id=585 data-nosnippet>585</a> ast::Item::Enum(it) => <span class="prelude-val">Some</span>(ast::Adt::Enum(it)), |
| <a href=#586 id=586 data-nosnippet>586</a> ast::Item::Union(it) => <span class="prelude-val">Some</span>(ast::Adt::Union(it)), |
| <a href=#587 id=587 data-nosnippet>587</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#588 id=588 data-nosnippet>588</a> })<span class="question-mark">?</span>; |
| <a href=#589 id=589 data-nosnippet>589</a> <span class="kw">let </span>attr_name = attr.path().and_then(|it| it.as_single_name_ref())<span class="question-mark">?</span>.as_name(); |
| <a href=#590 id=590 data-nosnippet>590</a> <span class="kw">let </span>sa = <span class="self">self</span>.analyze_no_infer(adt.syntax())<span class="question-mark">?</span>; |
| <a href=#591 id=591 data-nosnippet>591</a> <span class="kw">let </span>id = <span class="self">self</span>.db.ast_id_map(sa.file_id).ast_id(<span class="kw-2">&</span>adt); |
| <a href=#592 id=592 data-nosnippet>592</a> <span class="kw">let </span>res: Vec<<span class="kw">_</span>> = sa |
| <a href=#593 id=593 data-nosnippet>593</a> .resolver |
| <a href=#594 id=594 data-nosnippet>594</a> .def_map() |
| <a href=#595 id=595 data-nosnippet>595</a> .derive_helpers_in_scope(InFile::new(sa.file_id, id))<span class="question-mark">? |
| <a href=#596 id=596 data-nosnippet>596</a> </span>.iter() |
| <a href=#597 id=597 data-nosnippet>597</a> .filter(|<span class="kw-2">&</span>(name, <span class="kw">_</span>, <span class="kw">_</span>)| <span class="kw-2">*</span>name == attr_name) |
| <a href=#598 id=598 data-nosnippet>598</a> .map(|<span class="kw-2">&</span>(<span class="kw">_</span>, macro_, call)| (macro_.into(), call)) |
| <a href=#599 id=599 data-nosnippet>599</a> .collect(); |
| <a href=#600 id=600 data-nosnippet>600</a> res.is_empty().not().then_some(res) |
| <a href=#601 id=601 data-nosnippet>601</a> } |
| <a href=#602 id=602 data-nosnippet>602</a> |
| <a href=#603 id=603 data-nosnippet>603</a> <span class="kw">pub fn </span>is_attr_macro_call(<span class="kw-2">&</span><span class="self">self</span>, item: InFile<<span class="kw-2">&</span>ast::Item>) -> bool { |
| <a href=#604 id=604 data-nosnippet>604</a> <span class="self">self</span>.with_ctx(|ctx| ctx.item_to_macro_call(item).is_some()) |
| <a href=#605 id=605 data-nosnippet>605</a> } |
| <a href=#606 id=606 data-nosnippet>606</a> |
| <a href=#607 id=607 data-nosnippet>607</a> <span class="doccomment">/// Expand the macro call with a different token tree, mapping the `token_to_map` down into the |
| <a href=#608 id=608 data-nosnippet>608</a> /// expansion. `token_to_map` should be a token from the `speculative args` node. |
| <a href=#609 id=609 data-nosnippet>609</a> </span><span class="kw">pub fn </span>speculative_expand_macro_call( |
| <a href=#610 id=610 data-nosnippet>610</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#611 id=611 data-nosnippet>611</a> actual_macro_call: <span class="kw-2">&</span>ast::MacroCall, |
| <a href=#612 id=612 data-nosnippet>612</a> speculative_args: <span class="kw-2">&</span>ast::TokenTree, |
| <a href=#613 id=613 data-nosnippet>613</a> token_to_map: SyntaxToken, |
| <a href=#614 id=614 data-nosnippet>614</a> ) -> <span class="prelude-ty">Option</span><(SyntaxNode, Vec<(SyntaxToken, u8)>)> { |
| <a href=#615 id=615 data-nosnippet>615</a> <span class="kw">let </span>macro_file = <span class="self">self</span>.to_def(actual_macro_call)<span class="question-mark">?</span>; |
| <a href=#616 id=616 data-nosnippet>616</a> hir_expand::db::expand_speculative( |
| <a href=#617 id=617 data-nosnippet>617</a> <span class="self">self</span>.db, |
| <a href=#618 id=618 data-nosnippet>618</a> macro_file, |
| <a href=#619 id=619 data-nosnippet>619</a> speculative_args.syntax(), |
| <a href=#620 id=620 data-nosnippet>620</a> token_to_map, |
| <a href=#621 id=621 data-nosnippet>621</a> ) |
| <a href=#622 id=622 data-nosnippet>622</a> } |
| <a href=#623 id=623 data-nosnippet>623</a> |
| <a href=#624 id=624 data-nosnippet>624</a> <span class="kw">pub fn </span>speculative_expand_raw( |
| <a href=#625 id=625 data-nosnippet>625</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#626 id=626 data-nosnippet>626</a> macro_file: MacroCallId, |
| <a href=#627 id=627 data-nosnippet>627</a> speculative_args: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#628 id=628 data-nosnippet>628</a> token_to_map: SyntaxToken, |
| <a href=#629 id=629 data-nosnippet>629</a> ) -> <span class="prelude-ty">Option</span><(SyntaxNode, Vec<(SyntaxToken, u8)>)> { |
| <a href=#630 id=630 data-nosnippet>630</a> hir_expand::db::expand_speculative(<span class="self">self</span>.db, macro_file, speculative_args, token_to_map) |
| <a href=#631 id=631 data-nosnippet>631</a> } |
| <a href=#632 id=632 data-nosnippet>632</a> |
| <a href=#633 id=633 data-nosnippet>633</a> <span class="doccomment">/// Expand the macro call with a different item as the input, mapping the `token_to_map` down into the |
| <a href=#634 id=634 data-nosnippet>634</a> /// expansion. `token_to_map` should be a token from the `speculative args` node. |
| <a href=#635 id=635 data-nosnippet>635</a> </span><span class="kw">pub fn </span>speculative_expand_attr_macro( |
| <a href=#636 id=636 data-nosnippet>636</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#637 id=637 data-nosnippet>637</a> actual_macro_call: <span class="kw-2">&</span>ast::Item, |
| <a href=#638 id=638 data-nosnippet>638</a> speculative_args: <span class="kw-2">&</span>ast::Item, |
| <a href=#639 id=639 data-nosnippet>639</a> token_to_map: SyntaxToken, |
| <a href=#640 id=640 data-nosnippet>640</a> ) -> <span class="prelude-ty">Option</span><(SyntaxNode, Vec<(SyntaxToken, u8)>)> { |
| <a href=#641 id=641 data-nosnippet>641</a> <span class="kw">let </span>macro_call = <span class="self">self</span>.wrap_node_infile(actual_macro_call.clone()); |
| <a href=#642 id=642 data-nosnippet>642</a> <span class="kw">let </span>macro_call_id = <span class="self">self</span>.with_ctx(|ctx| ctx.item_to_macro_call(macro_call.as_ref()))<span class="question-mark">?</span>; |
| <a href=#643 id=643 data-nosnippet>643</a> hir_expand::db::expand_speculative( |
| <a href=#644 id=644 data-nosnippet>644</a> <span class="self">self</span>.db, |
| <a href=#645 id=645 data-nosnippet>645</a> macro_call_id, |
| <a href=#646 id=646 data-nosnippet>646</a> speculative_args.syntax(), |
| <a href=#647 id=647 data-nosnippet>647</a> token_to_map, |
| <a href=#648 id=648 data-nosnippet>648</a> ) |
| <a href=#649 id=649 data-nosnippet>649</a> } |
| <a href=#650 id=650 data-nosnippet>650</a> |
| <a href=#651 id=651 data-nosnippet>651</a> <span class="kw">pub fn </span>speculative_expand_derive_as_pseudo_attr_macro( |
| <a href=#652 id=652 data-nosnippet>652</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#653 id=653 data-nosnippet>653</a> actual_macro_call: <span class="kw-2">&</span>ast::Attr, |
| <a href=#654 id=654 data-nosnippet>654</a> speculative_args: <span class="kw-2">&</span>ast::Attr, |
| <a href=#655 id=655 data-nosnippet>655</a> token_to_map: SyntaxToken, |
| <a href=#656 id=656 data-nosnippet>656</a> ) -> <span class="prelude-ty">Option</span><(SyntaxNode, Vec<(SyntaxToken, u8)>)> { |
| <a href=#657 id=657 data-nosnippet>657</a> <span class="kw">let </span>attr = <span class="self">self</span>.wrap_node_infile(actual_macro_call.clone()); |
| <a href=#658 id=658 data-nosnippet>658</a> <span class="kw">let </span>adt = actual_macro_call.syntax().parent().and_then(ast::Adt::cast)<span class="question-mark">?</span>; |
| <a href=#659 id=659 data-nosnippet>659</a> <span class="kw">let </span>macro_call_id = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#660 id=660 data-nosnippet>660</a> ctx.attr_to_derive_macro_call(attr.with_value(<span class="kw-2">&</span>adt), attr).map(|(<span class="kw">_</span>, it, <span class="kw">_</span>)| it) |
| <a href=#661 id=661 data-nosnippet>661</a> })<span class="question-mark">?</span>; |
| <a href=#662 id=662 data-nosnippet>662</a> hir_expand::db::expand_speculative( |
| <a href=#663 id=663 data-nosnippet>663</a> <span class="self">self</span>.db, |
| <a href=#664 id=664 data-nosnippet>664</a> macro_call_id, |
| <a href=#665 id=665 data-nosnippet>665</a> speculative_args.syntax(), |
| <a href=#666 id=666 data-nosnippet>666</a> token_to_map, |
| <a href=#667 id=667 data-nosnippet>667</a> ) |
| <a href=#668 id=668 data-nosnippet>668</a> } |
| <a href=#669 id=669 data-nosnippet>669</a> |
| <a href=#670 id=670 data-nosnippet>670</a> <span class="doccomment">/// Checks if renaming `renamed` to `new_name` may introduce conflicts with other locals, |
| <a href=#671 id=671 data-nosnippet>671</a> /// and returns the conflicting locals. |
| <a href=#672 id=672 data-nosnippet>672</a> </span><span class="kw">pub fn </span>rename_conflicts(<span class="kw-2">&</span><span class="self">self</span>, to_be_renamed: <span class="kw-2">&</span>Local, new_name: <span class="kw-2">&</span>Name) -> Vec<Local> { |
| <a href=#673 id=673 data-nosnippet>673</a> <span class="kw">let </span>body = <span class="self">self</span>.db.body(to_be_renamed.parent); |
| <a href=#674 id=674 data-nosnippet>674</a> <span class="kw">let </span>resolver = to_be_renamed.parent.resolver(<span class="self">self</span>.db); |
| <a href=#675 id=675 data-nosnippet>675</a> <span class="kw">let </span>starting_expr = body.binding_owner(to_be_renamed.binding_id).unwrap_or(body.body_expr); |
| <a href=#676 id=676 data-nosnippet>676</a> <span class="kw">let </span><span class="kw-2">mut </span>visitor = RenameConflictsVisitor { |
| <a href=#677 id=677 data-nosnippet>677</a> body: <span class="kw-2">&</span>body, |
| <a href=#678 id=678 data-nosnippet>678</a> conflicts: FxHashSet::default(), |
| <a href=#679 id=679 data-nosnippet>679</a> db: <span class="self">self</span>.db, |
| <a href=#680 id=680 data-nosnippet>680</a> new_name: new_name.symbol().clone(), |
| <a href=#681 id=681 data-nosnippet>681</a> old_name: to_be_renamed.name(<span class="self">self</span>.db).symbol().clone(), |
| <a href=#682 id=682 data-nosnippet>682</a> owner: to_be_renamed.parent, |
| <a href=#683 id=683 data-nosnippet>683</a> to_be_renamed: to_be_renamed.binding_id, |
| <a href=#684 id=684 data-nosnippet>684</a> resolver, |
| <a href=#685 id=685 data-nosnippet>685</a> }; |
| <a href=#686 id=686 data-nosnippet>686</a> visitor.rename_conflicts(starting_expr); |
| <a href=#687 id=687 data-nosnippet>687</a> visitor |
| <a href=#688 id=688 data-nosnippet>688</a> .conflicts |
| <a href=#689 id=689 data-nosnippet>689</a> .into_iter() |
| <a href=#690 id=690 data-nosnippet>690</a> .map(|binding_id| Local { parent: to_be_renamed.parent, binding_id }) |
| <a href=#691 id=691 data-nosnippet>691</a> .collect() |
| <a href=#692 id=692 data-nosnippet>692</a> } |
| <a href=#693 id=693 data-nosnippet>693</a> |
| <a href=#694 id=694 data-nosnippet>694</a> <span class="doccomment">/// Retrieves all the formatting parts of the format_args! (or `asm!`) template string. |
| <a href=#695 id=695 data-nosnippet>695</a> </span><span class="kw">pub fn </span>as_format_args_parts( |
| <a href=#696 id=696 data-nosnippet>696</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#697 id=697 data-nosnippet>697</a> string: <span class="kw-2">&</span>ast::String, |
| <a href=#698 id=698 data-nosnippet>698</a> ) -> <span class="prelude-ty">Option</span><Vec<(TextRange, <span class="prelude-ty">Option</span><Either<PathResolution, InlineAsmOperand>>)>> { |
| <a href=#699 id=699 data-nosnippet>699</a> <span class="kw">let </span>string_start = string.syntax().text_range().start(); |
| <a href=#700 id=700 data-nosnippet>700</a> <span class="kw">let </span>token = <span class="self">self</span>.wrap_token_infile(string.syntax().clone()); |
| <a href=#701 id=701 data-nosnippet>701</a> <span class="self">self</span>.descend_into_macros_breakable(token, |token, <span class="kw">_</span>| { |
| <a href=#702 id=702 data-nosnippet>702</a> (|| { |
| <a href=#703 id=703 data-nosnippet>703</a> <span class="kw">let </span>token = token.value; |
| <a href=#704 id=704 data-nosnippet>704</a> <span class="kw">let </span>string = ast::String::cast(token)<span class="question-mark">?</span>; |
| <a href=#705 id=705 data-nosnippet>705</a> <span class="kw">let </span>literal = |
| <a href=#706 id=706 data-nosnippet>706</a> string.syntax().parent().filter(|it| it.kind() == SyntaxKind::LITERAL)<span class="question-mark">?</span>; |
| <a href=#707 id=707 data-nosnippet>707</a> <span class="kw">let </span>parent = literal.parent()<span class="question-mark">?</span>; |
| <a href=#708 id=708 data-nosnippet>708</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(format_args) = ast::FormatArgsExpr::cast(parent.clone()) { |
| <a href=#709 id=709 data-nosnippet>709</a> <span class="kw">let </span>source_analyzer = <span class="self">self</span>.analyze_no_infer(format_args.syntax())<span class="question-mark">?</span>; |
| <a href=#710 id=710 data-nosnippet>710</a> <span class="kw">let </span>format_args = <span class="self">self</span>.wrap_node_infile(format_args); |
| <a href=#711 id=711 data-nosnippet>711</a> <span class="kw">let </span>res = source_analyzer |
| <a href=#712 id=712 data-nosnippet>712</a> .as_format_args_parts(<span class="self">self</span>.db, format_args.as_ref())<span class="question-mark">? |
| <a href=#713 id=713 data-nosnippet>713</a> </span>.map(|(range, res)| (range + string_start, res.map(Either::Left))) |
| <a href=#714 id=714 data-nosnippet>714</a> .collect(); |
| <a href=#715 id=715 data-nosnippet>715</a> <span class="prelude-val">Some</span>(res) |
| <a href=#716 id=716 data-nosnippet>716</a> } <span class="kw">else </span>{ |
| <a href=#717 id=717 data-nosnippet>717</a> <span class="kw">let </span>asm = ast::AsmExpr::cast(parent)<span class="question-mark">?</span>; |
| <a href=#718 id=718 data-nosnippet>718</a> <span class="kw">let </span>source_analyzer = <span class="self">self</span>.analyze_no_infer(asm.syntax())<span class="question-mark">?</span>; |
| <a href=#719 id=719 data-nosnippet>719</a> <span class="kw">let </span>line = asm.template().position(|it| <span class="kw-2">*</span>it.syntax() == literal)<span class="question-mark">?</span>; |
| <a href=#720 id=720 data-nosnippet>720</a> <span class="kw">let </span>asm = <span class="self">self</span>.wrap_node_infile(asm); |
| <a href=#721 id=721 data-nosnippet>721</a> <span class="kw">let </span>(owner, (expr, asm_parts)) = source_analyzer.as_asm_parts(asm.as_ref())<span class="question-mark">?</span>; |
| <a href=#722 id=722 data-nosnippet>722</a> <span class="kw">let </span>res = asm_parts |
| <a href=#723 id=723 data-nosnippet>723</a> .get(line)<span class="question-mark">? |
| <a href=#724 id=724 data-nosnippet>724</a> </span>.iter() |
| <a href=#725 id=725 data-nosnippet>725</a> .map(|<span class="kw-2">&</span>(range, index)| { |
| <a href=#726 id=726 data-nosnippet>726</a> ( |
| <a href=#727 id=727 data-nosnippet>727</a> range + string_start, |
| <a href=#728 id=728 data-nosnippet>728</a> <span class="prelude-val">Some</span>(Either::Right(InlineAsmOperand { owner, expr, index })), |
| <a href=#729 id=729 data-nosnippet>729</a> ) |
| <a href=#730 id=730 data-nosnippet>730</a> }) |
| <a href=#731 id=731 data-nosnippet>731</a> .collect(); |
| <a href=#732 id=732 data-nosnippet>732</a> <span class="prelude-val">Some</span>(res) |
| <a href=#733 id=733 data-nosnippet>733</a> } |
| <a href=#734 id=734 data-nosnippet>734</a> })() |
| <a href=#735 id=735 data-nosnippet>735</a> .map_or(ControlFlow::Continue(()), ControlFlow::Break) |
| <a href=#736 id=736 data-nosnippet>736</a> }) |
| <a href=#737 id=737 data-nosnippet>737</a> } |
| <a href=#738 id=738 data-nosnippet>738</a> |
| <a href=#739 id=739 data-nosnippet>739</a> <span class="doccomment">/// Retrieves the formatting part of the format_args! template string at the given offset. |
| <a href=#740 id=740 data-nosnippet>740</a> /// |
| <a href=#741 id=741 data-nosnippet>741</a> </span><span class="comment">// FIXME: Type the return type |
| <a href=#742 id=742 data-nosnippet>742</a> </span><span class="doccomment">/// Returns the range (pre-expansion) in the string literal corresponding to the resolution, |
| <a href=#743 id=743 data-nosnippet>743</a> /// absolute file range (post-expansion) |
| <a href=#744 id=744 data-nosnippet>744</a> /// of the part in the format string, the corresponding string token and the resolution if it |
| <a href=#745 id=745 data-nosnippet>745</a> /// exists. |
| <a href=#746 id=746 data-nosnippet>746</a> </span><span class="comment">// FIXME: Remove this in favor of `check_for_format_args_template_with_file` |
| <a href=#747 id=747 data-nosnippet>747</a> </span><span class="kw">pub fn </span>check_for_format_args_template( |
| <a href=#748 id=748 data-nosnippet>748</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#749 id=749 data-nosnippet>749</a> original_token: SyntaxToken, |
| <a href=#750 id=750 data-nosnippet>750</a> offset: TextSize, |
| <a href=#751 id=751 data-nosnippet>751</a> ) -> <span class="prelude-ty">Option</span><( |
| <a href=#752 id=752 data-nosnippet>752</a> TextRange, |
| <a href=#753 id=753 data-nosnippet>753</a> HirFileRange, |
| <a href=#754 id=754 data-nosnippet>754</a> ast::String, |
| <a href=#755 id=755 data-nosnippet>755</a> <span class="prelude-ty">Option</span><Either<PathResolution, InlineAsmOperand>>, |
| <a href=#756 id=756 data-nosnippet>756</a> )> { |
| <a href=#757 id=757 data-nosnippet>757</a> <span class="kw">let </span>original_token = |
| <a href=#758 id=758 data-nosnippet>758</a> <span class="self">self</span>.wrap_token_infile(original_token).map(ast::String::cast).transpose()<span class="question-mark">?</span>; |
| <a href=#759 id=759 data-nosnippet>759</a> <span class="self">self</span>.check_for_format_args_template_with_file(original_token, offset) |
| <a href=#760 id=760 data-nosnippet>760</a> } |
| <a href=#761 id=761 data-nosnippet>761</a> |
| <a href=#762 id=762 data-nosnippet>762</a> <span class="doccomment">/// Retrieves the formatting part of the format_args! template string at the given offset. |
| <a href=#763 id=763 data-nosnippet>763</a> /// |
| <a href=#764 id=764 data-nosnippet>764</a> </span><span class="comment">// FIXME: Type the return type |
| <a href=#765 id=765 data-nosnippet>765</a> </span><span class="doccomment">/// Returns the range (pre-expansion) in the string literal corresponding to the resolution, |
| <a href=#766 id=766 data-nosnippet>766</a> /// absolute file range (post-expansion) |
| <a href=#767 id=767 data-nosnippet>767</a> /// of the part in the format string, the corresponding string token and the resolution if it |
| <a href=#768 id=768 data-nosnippet>768</a> /// exists. |
| <a href=#769 id=769 data-nosnippet>769</a> </span><span class="kw">pub fn </span>check_for_format_args_template_with_file( |
| <a href=#770 id=770 data-nosnippet>770</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#771 id=771 data-nosnippet>771</a> original_token: InFile<ast::String>, |
| <a href=#772 id=772 data-nosnippet>772</a> offset: TextSize, |
| <a href=#773 id=773 data-nosnippet>773</a> ) -> <span class="prelude-ty">Option</span><( |
| <a href=#774 id=774 data-nosnippet>774</a> TextRange, |
| <a href=#775 id=775 data-nosnippet>775</a> HirFileRange, |
| <a href=#776 id=776 data-nosnippet>776</a> ast::String, |
| <a href=#777 id=777 data-nosnippet>777</a> <span class="prelude-ty">Option</span><Either<PathResolution, InlineAsmOperand>>, |
| <a href=#778 id=778 data-nosnippet>778</a> )> { |
| <a href=#779 id=779 data-nosnippet>779</a> <span class="kw">let </span>relative_offset = |
| <a href=#780 id=780 data-nosnippet>780</a> offset.checked_sub(original_token.value.syntax().text_range().start())<span class="question-mark">?</span>; |
| <a href=#781 id=781 data-nosnippet>781</a> <span class="self">self</span>.descend_into_macros_breakable( |
| <a href=#782 id=782 data-nosnippet>782</a> original_token.as_ref().map(|it| it.syntax().clone()), |
| <a href=#783 id=783 data-nosnippet>783</a> |token, <span class="kw">_</span>| { |
| <a href=#784 id=784 data-nosnippet>784</a> (|| { |
| <a href=#785 id=785 data-nosnippet>785</a> <span class="kw">let </span>token = token.map(ast::String::cast).transpose()<span class="question-mark">?</span>; |
| <a href=#786 id=786 data-nosnippet>786</a> <span class="self">self</span>.resolve_offset_in_format_args(token.as_ref(), relative_offset).map( |
| <a href=#787 id=787 data-nosnippet>787</a> |(range, res)| { |
| <a href=#788 id=788 data-nosnippet>788</a> ( |
| <a href=#789 id=789 data-nosnippet>789</a> range + original_token.value.syntax().text_range().start(), |
| <a href=#790 id=790 data-nosnippet>790</a> HirFileRange { |
| <a href=#791 id=791 data-nosnippet>791</a> file_id: token.file_id, |
| <a href=#792 id=792 data-nosnippet>792</a> range: range + token.value.syntax().text_range().start(), |
| <a href=#793 id=793 data-nosnippet>793</a> }, |
| <a href=#794 id=794 data-nosnippet>794</a> token.value, |
| <a href=#795 id=795 data-nosnippet>795</a> res, |
| <a href=#796 id=796 data-nosnippet>796</a> ) |
| <a href=#797 id=797 data-nosnippet>797</a> }, |
| <a href=#798 id=798 data-nosnippet>798</a> ) |
| <a href=#799 id=799 data-nosnippet>799</a> })() |
| <a href=#800 id=800 data-nosnippet>800</a> .map_or(ControlFlow::Continue(()), ControlFlow::Break) |
| <a href=#801 id=801 data-nosnippet>801</a> }, |
| <a href=#802 id=802 data-nosnippet>802</a> ) |
| <a href=#803 id=803 data-nosnippet>803</a> } |
| <a href=#804 id=804 data-nosnippet>804</a> |
| <a href=#805 id=805 data-nosnippet>805</a> <span class="kw">fn </span>resolve_offset_in_format_args( |
| <a href=#806 id=806 data-nosnippet>806</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#807 id=807 data-nosnippet>807</a> InFile { value: string, file_id }: InFile<<span class="kw-2">&</span>ast::String>, |
| <a href=#808 id=808 data-nosnippet>808</a> offset: TextSize, |
| <a href=#809 id=809 data-nosnippet>809</a> ) -> <span class="prelude-ty">Option</span><(TextRange, <span class="prelude-ty">Option</span><Either<PathResolution, InlineAsmOperand>>)> { |
| <a href=#810 id=810 data-nosnippet>810</a> <span class="macro">debug_assert!</span>(offset <= string.syntax().text_range().len()); |
| <a href=#811 id=811 data-nosnippet>811</a> <span class="kw">let </span>literal = string.syntax().parent().filter(|it| it.kind() == SyntaxKind::LITERAL)<span class="question-mark">?</span>; |
| <a href=#812 id=812 data-nosnippet>812</a> <span class="kw">let </span>parent = literal.parent()<span class="question-mark">?</span>; |
| <a href=#813 id=813 data-nosnippet>813</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(format_args) = ast::FormatArgsExpr::cast(parent.clone()) { |
| <a href=#814 id=814 data-nosnippet>814</a> <span class="kw">let </span>source_analyzer = |
| <a href=#815 id=815 data-nosnippet>815</a> <span class="kw-2">&</span><span class="self">self</span>.analyze_impl(InFile::new(file_id, format_args.syntax()), <span class="prelude-val">None</span>, <span class="bool-val">false</span>)<span class="question-mark">?</span>; |
| <a href=#816 id=816 data-nosnippet>816</a> source_analyzer |
| <a href=#817 id=817 data-nosnippet>817</a> .resolve_offset_in_format_args(<span class="self">self</span>.db, InFile::new(file_id, <span class="kw-2">&</span>format_args), offset) |
| <a href=#818 id=818 data-nosnippet>818</a> .map(|(range, res)| (range, res.map(Either::Left))) |
| <a href=#819 id=819 data-nosnippet>819</a> } <span class="kw">else </span>{ |
| <a href=#820 id=820 data-nosnippet>820</a> <span class="kw">let </span>asm = ast::AsmExpr::cast(parent)<span class="question-mark">?</span>; |
| <a href=#821 id=821 data-nosnippet>821</a> <span class="kw">let </span>source_analyzer = |
| <a href=#822 id=822 data-nosnippet>822</a> <span class="self">self</span>.analyze_impl(InFile::new(file_id, asm.syntax()), <span class="prelude-val">None</span>, <span class="bool-val">false</span>)<span class="question-mark">?</span>; |
| <a href=#823 id=823 data-nosnippet>823</a> <span class="kw">let </span>line = asm.template().position(|it| <span class="kw-2">*</span>it.syntax() == literal)<span class="question-mark">?</span>; |
| <a href=#824 id=824 data-nosnippet>824</a> source_analyzer |
| <a href=#825 id=825 data-nosnippet>825</a> .resolve_offset_in_asm_template(InFile::new(file_id, <span class="kw-2">&</span>asm), line, offset) |
| <a href=#826 id=826 data-nosnippet>826</a> .map(|(owner, (expr, range, index))| { |
| <a href=#827 id=827 data-nosnippet>827</a> (range, <span class="prelude-val">Some</span>(Either::Right(InlineAsmOperand { owner, expr, index }))) |
| <a href=#828 id=828 data-nosnippet>828</a> }) |
| <a href=#829 id=829 data-nosnippet>829</a> } |
| <a href=#830 id=830 data-nosnippet>830</a> } |
| <a href=#831 id=831 data-nosnippet>831</a> |
| <a href=#832 id=832 data-nosnippet>832</a> <span class="kw">pub fn </span>debug_hir_at(<span class="kw-2">&</span><span class="self">self</span>, token: SyntaxToken) -> <span class="prelude-ty">Option</span><String> { |
| <a href=#833 id=833 data-nosnippet>833</a> <span class="self">self</span>.analyze_no_infer(<span class="kw-2">&</span>token.parent()<span class="question-mark">?</span>).and_then(|it| { |
| <a href=#834 id=834 data-nosnippet>834</a> <span class="prelude-val">Some</span>(<span class="kw">match </span>it.body_or_sig.as_ref()<span class="question-mark">? </span>{ |
| <a href=#835 id=835 data-nosnippet>835</a> <span class="kw">crate</span>::source_analyzer::BodyOrSig::Body { def, body, .. } => { |
| <a href=#836 id=836 data-nosnippet>836</a> hir_def::expr_store::pretty::print_body_hir( |
| <a href=#837 id=837 data-nosnippet>837</a> <span class="self">self</span>.db, |
| <a href=#838 id=838 data-nosnippet>838</a> body, |
| <a href=#839 id=839 data-nosnippet>839</a> <span class="kw-2">*</span>def, |
| <a href=#840 id=840 data-nosnippet>840</a> it.file_id.edition(<span class="self">self</span>.db), |
| <a href=#841 id=841 data-nosnippet>841</a> ) |
| <a href=#842 id=842 data-nosnippet>842</a> } |
| <a href=#843 id=843 data-nosnippet>843</a> <span class="kw-2">&</span><span class="kw">crate</span>::source_analyzer::BodyOrSig::VariantFields { def, .. } => { |
| <a href=#844 id=844 data-nosnippet>844</a> hir_def::expr_store::pretty::print_variant_body_hir( |
| <a href=#845 id=845 data-nosnippet>845</a> <span class="self">self</span>.db, |
| <a href=#846 id=846 data-nosnippet>846</a> def, |
| <a href=#847 id=847 data-nosnippet>847</a> it.file_id.edition(<span class="self">self</span>.db), |
| <a href=#848 id=848 data-nosnippet>848</a> ) |
| <a href=#849 id=849 data-nosnippet>849</a> } |
| <a href=#850 id=850 data-nosnippet>850</a> <span class="kw-2">&</span><span class="kw">crate</span>::source_analyzer::BodyOrSig::Sig { def, .. } => { |
| <a href=#851 id=851 data-nosnippet>851</a> hir_def::expr_store::pretty::print_signature( |
| <a href=#852 id=852 data-nosnippet>852</a> <span class="self">self</span>.db, |
| <a href=#853 id=853 data-nosnippet>853</a> def, |
| <a href=#854 id=854 data-nosnippet>854</a> it.file_id.edition(<span class="self">self</span>.db), |
| <a href=#855 id=855 data-nosnippet>855</a> ) |
| <a href=#856 id=856 data-nosnippet>856</a> } |
| <a href=#857 id=857 data-nosnippet>857</a> }) |
| <a href=#858 id=858 data-nosnippet>858</a> }) |
| <a href=#859 id=859 data-nosnippet>859</a> } |
| <a href=#860 id=860 data-nosnippet>860</a> |
| <a href=#861 id=861 data-nosnippet>861</a> <span class="doccomment">/// Descends the token into the include expansion, if its file is an included file. |
| <a href=#862 id=862 data-nosnippet>862</a> </span><span class="kw">pub fn </span>descend_token_into_include_expansion( |
| <a href=#863 id=863 data-nosnippet>863</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#864 id=864 data-nosnippet>864</a> tok: InRealFile<SyntaxToken>, |
| <a href=#865 id=865 data-nosnippet>865</a> ) -> InFile<SyntaxToken> { |
| <a href=#866 id=866 data-nosnippet>866</a> <span class="kw">let </span><span class="prelude-val">Some</span>(include) = |
| <a href=#867 id=867 data-nosnippet>867</a> <span class="self">self</span>.s2d_cache.borrow_mut().get_or_insert_include_for(<span class="self">self</span>.db, tok.file_id) |
| <a href=#868 id=868 data-nosnippet>868</a> <span class="kw">else </span>{ |
| <a href=#869 id=869 data-nosnippet>869</a> <span class="kw">return </span>tok.into(); |
| <a href=#870 id=870 data-nosnippet>870</a> }; |
| <a href=#871 id=871 data-nosnippet>871</a> <span class="kw">let </span>span = <span class="self">self</span>.db.real_span_map(tok.file_id).span_for_range(tok.value.text_range()); |
| <a href=#872 id=872 data-nosnippet>872</a> <span class="kw">let </span><span class="prelude-val">Some</span>(InMacroFile { file_id, value: <span class="kw-2">mut </span>mapped_tokens }) = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#873 id=873 data-nosnippet>873</a> <span class="prelude-val">Some</span>( |
| <a href=#874 id=874 data-nosnippet>874</a> ctx.cache |
| <a href=#875 id=875 data-nosnippet>875</a> .get_or_insert_expansion(ctx.db, include) |
| <a href=#876 id=876 data-nosnippet>876</a> .map_range_down(span)<span class="question-mark">? |
| <a href=#877 id=877 data-nosnippet>877</a> </span>.map(SmallVec::<[<span class="kw">_</span>; <span class="number">2</span>]>::from_iter), |
| <a href=#878 id=878 data-nosnippet>878</a> ) |
| <a href=#879 id=879 data-nosnippet>879</a> }) <span class="kw">else </span>{ |
| <a href=#880 id=880 data-nosnippet>880</a> <span class="kw">return </span>tok.into(); |
| <a href=#881 id=881 data-nosnippet>881</a> }; |
| <a href=#882 id=882 data-nosnippet>882</a> <span class="comment">// We should only get one result at most |
| <a href=#883 id=883 data-nosnippet>883</a> </span>mapped_tokens.pop().map_or_else(|| tok.into(), |(tok, <span class="kw">_</span>)| InFile::new(file_id.into(), tok)) |
| <a href=#884 id=884 data-nosnippet>884</a> } |
| <a href=#885 id=885 data-nosnippet>885</a> |
| <a href=#886 id=886 data-nosnippet>886</a> <span class="doccomment">/// Maps a node down by mapping its first and last token down. |
| <a href=#887 id=887 data-nosnippet>887</a> </span><span class="kw">pub fn </span>descend_node_into_attributes<N: AstNode>(<span class="kw-2">&</span><span class="self">self</span>, node: N) -> SmallVec<[N; <span class="number">1</span>]> { |
| <a href=#888 id=888 data-nosnippet>888</a> <span class="comment">// This might not be the correct way to do this, but it works for now |
| <a href=#889 id=889 data-nosnippet>889</a> </span><span class="kw">let </span><span class="kw-2">mut </span>res = <span class="macro">smallvec!</span>[]; |
| <a href=#890 id=890 data-nosnippet>890</a> <span class="kw">let </span>tokens = (|| { |
| <a href=#891 id=891 data-nosnippet>891</a> <span class="comment">// FIXME: the trivia skipping should not be necessary |
| <a href=#892 id=892 data-nosnippet>892</a> </span><span class="kw">let </span>first = skip_trivia_token(node.syntax().first_token()<span class="question-mark">?</span>, Direction::Next)<span class="question-mark">?</span>; |
| <a href=#893 id=893 data-nosnippet>893</a> <span class="kw">let </span>last = skip_trivia_token(node.syntax().last_token()<span class="question-mark">?</span>, Direction::Prev)<span class="question-mark">?</span>; |
| <a href=#894 id=894 data-nosnippet>894</a> <span class="prelude-val">Some</span>((first, last)) |
| <a href=#895 id=895 data-nosnippet>895</a> })(); |
| <a href=#896 id=896 data-nosnippet>896</a> <span class="kw">let </span>(first, last) = <span class="kw">match </span>tokens { |
| <a href=#897 id=897 data-nosnippet>897</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#898 id=898 data-nosnippet>898</a> <span class="prelude-val">None </span>=> <span class="kw">return </span>res, |
| <a href=#899 id=899 data-nosnippet>899</a> }; |
| <a href=#900 id=900 data-nosnippet>900</a> <span class="kw">let </span>file = <span class="self">self</span>.find_file(node.syntax()); |
| <a href=#901 id=901 data-nosnippet>901</a> |
| <a href=#902 id=902 data-nosnippet>902</a> <span class="kw">if </span>first == last { |
| <a href=#903 id=903 data-nosnippet>903</a> <span class="comment">// node is just the token, so descend the token |
| <a href=#904 id=904 data-nosnippet>904</a> </span><span class="self">self</span>.descend_into_macros_all( |
| <a href=#905 id=905 data-nosnippet>905</a> InFile::new(file.file_id, first), |
| <a href=#906 id=906 data-nosnippet>906</a> <span class="bool-val">false</span>, |
| <a href=#907 id=907 data-nosnippet>907</a> <span class="kw-2">&mut </span>|InFile { value, .. }, _ctx| { |
| <a href=#908 id=908 data-nosnippet>908</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(node) = value |
| <a href=#909 id=909 data-nosnippet>909</a> .parent_ancestors() |
| <a href=#910 id=910 data-nosnippet>910</a> .take_while(|it| it.text_range() == value.text_range()) |
| <a href=#911 id=911 data-nosnippet>911</a> .find_map(N::cast) |
| <a href=#912 id=912 data-nosnippet>912</a> { |
| <a href=#913 id=913 data-nosnippet>913</a> res.push(node) |
| <a href=#914 id=914 data-nosnippet>914</a> } |
| <a href=#915 id=915 data-nosnippet>915</a> }, |
| <a href=#916 id=916 data-nosnippet>916</a> ); |
| <a href=#917 id=917 data-nosnippet>917</a> } <span class="kw">else </span>{ |
| <a href=#918 id=918 data-nosnippet>918</a> <span class="comment">// Descend first and last token, then zip them to look for the node they belong to |
| <a href=#919 id=919 data-nosnippet>919</a> </span><span class="kw">let </span><span class="kw-2">mut </span>scratch: SmallVec<[<span class="kw">_</span>; <span class="number">1</span>]> = <span class="macro">smallvec!</span>[]; |
| <a href=#920 id=920 data-nosnippet>920</a> <span class="self">self</span>.descend_into_macros_all( |
| <a href=#921 id=921 data-nosnippet>921</a> InFile::new(file.file_id, first), |
| <a href=#922 id=922 data-nosnippet>922</a> <span class="bool-val">false</span>, |
| <a href=#923 id=923 data-nosnippet>923</a> <span class="kw-2">&mut </span>|token, _ctx| scratch.push(token), |
| <a href=#924 id=924 data-nosnippet>924</a> ); |
| <a href=#925 id=925 data-nosnippet>925</a> |
| <a href=#926 id=926 data-nosnippet>926</a> <span class="kw">let </span><span class="kw-2">mut </span>scratch = scratch.into_iter(); |
| <a href=#927 id=927 data-nosnippet>927</a> <span class="self">self</span>.descend_into_macros_all( |
| <a href=#928 id=928 data-nosnippet>928</a> InFile::new(file.file_id, last), |
| <a href=#929 id=929 data-nosnippet>929</a> <span class="bool-val">false</span>, |
| <a href=#930 id=930 data-nosnippet>930</a> <span class="kw-2">&mut </span>|InFile { value: last, file_id: last_fid }, _ctx| { |
| <a href=#931 id=931 data-nosnippet>931</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(InFile { value: first, file_id: first_fid }) = scratch.next() |
| <a href=#932 id=932 data-nosnippet>932</a> && first_fid == last_fid |
| <a href=#933 id=933 data-nosnippet>933</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(p) = first.parent() |
| <a href=#934 id=934 data-nosnippet>934</a> { |
| <a href=#935 id=935 data-nosnippet>935</a> <span class="kw">let </span>range = first.text_range().cover(last.text_range()); |
| <a href=#936 id=936 data-nosnippet>936</a> <span class="kw">let </span>node = find_root(<span class="kw-2">&</span>p) |
| <a href=#937 id=937 data-nosnippet>937</a> .covering_element(range) |
| <a href=#938 id=938 data-nosnippet>938</a> .ancestors() |
| <a href=#939 id=939 data-nosnippet>939</a> .take_while(|it| it.text_range() == range) |
| <a href=#940 id=940 data-nosnippet>940</a> .find_map(N::cast); |
| <a href=#941 id=941 data-nosnippet>941</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(node) = node { |
| <a href=#942 id=942 data-nosnippet>942</a> res.push(node); |
| <a href=#943 id=943 data-nosnippet>943</a> } |
| <a href=#944 id=944 data-nosnippet>944</a> } |
| <a href=#945 id=945 data-nosnippet>945</a> }, |
| <a href=#946 id=946 data-nosnippet>946</a> ); |
| <a href=#947 id=947 data-nosnippet>947</a> } |
| <a href=#948 id=948 data-nosnippet>948</a> res |
| <a href=#949 id=949 data-nosnippet>949</a> } |
| <a href=#950 id=950 data-nosnippet>950</a> |
| <a href=#951 id=951 data-nosnippet>951</a> <span class="doccomment">/// Returns true if the given input is within a macro call. |
| <a href=#952 id=952 data-nosnippet>952</a> /// |
| <a href=#953 id=953 data-nosnippet>953</a> /// Note that if this token itself is within the context of a macro expansion does not matter. |
| <a href=#954 id=954 data-nosnippet>954</a> /// That is, we strictly check if it lies inside the input of a macro call. |
| <a href=#955 id=955 data-nosnippet>955</a> </span><span class="kw">pub fn </span>is_inside_macro_call(<span class="kw-2">&</span><span class="self">self</span>, token @ InFile { value, .. }: InFile<<span class="kw-2">&</span>SyntaxToken>) -> bool { |
| <a href=#956 id=956 data-nosnippet>956</a> value.parent_ancestors().any(|ancestor| { |
| <a href=#957 id=957 data-nosnippet>957</a> <span class="kw">if </span>ast::MacroCall::can_cast(ancestor.kind()) { |
| <a href=#958 id=958 data-nosnippet>958</a> <span class="kw">return </span><span class="bool-val">true</span>; |
| <a href=#959 id=959 data-nosnippet>959</a> } |
| <a href=#960 id=960 data-nosnippet>960</a> |
| <a href=#961 id=961 data-nosnippet>961</a> <span class="kw">let </span><span class="prelude-val">Some</span>(item) = ast::Item::cast(ancestor) <span class="kw">else </span>{ |
| <a href=#962 id=962 data-nosnippet>962</a> <span class="kw">return </span><span class="bool-val">false</span>; |
| <a href=#963 id=963 data-nosnippet>963</a> }; |
| <a href=#964 id=964 data-nosnippet>964</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#965 id=965 data-nosnippet>965</a> <span class="kw">if </span>ctx.item_to_macro_call(token.with_value(<span class="kw-2">&</span>item)).is_some() { |
| <a href=#966 id=966 data-nosnippet>966</a> <span class="kw">return </span><span class="bool-val">true</span>; |
| <a href=#967 id=967 data-nosnippet>967</a> } |
| <a href=#968 id=968 data-nosnippet>968</a> <span class="kw">let </span>adt = <span class="kw">match </span>item { |
| <a href=#969 id=969 data-nosnippet>969</a> ast::Item::Struct(it) => it.into(), |
| <a href=#970 id=970 data-nosnippet>970</a> ast::Item::Enum(it) => it.into(), |
| <a href=#971 id=971 data-nosnippet>971</a> ast::Item::Union(it) => it.into(), |
| <a href=#972 id=972 data-nosnippet>972</a> <span class="kw">_ </span>=> <span class="kw">return </span><span class="bool-val">false</span>, |
| <a href=#973 id=973 data-nosnippet>973</a> }; |
| <a href=#974 id=974 data-nosnippet>974</a> ctx.file_of_adt_has_derives(token.with_value(<span class="kw-2">&</span>adt)) |
| <a href=#975 id=975 data-nosnippet>975</a> }) |
| <a href=#976 id=976 data-nosnippet>976</a> }) |
| <a href=#977 id=977 data-nosnippet>977</a> } |
| <a href=#978 id=978 data-nosnippet>978</a> |
| <a href=#979 id=979 data-nosnippet>979</a> <span class="kw">pub fn </span>descend_into_macros_cb( |
| <a href=#980 id=980 data-nosnippet>980</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#981 id=981 data-nosnippet>981</a> token: SyntaxToken, |
| <a href=#982 id=982 data-nosnippet>982</a> <span class="kw-2">mut </span>cb: <span class="kw">impl </span>FnMut(InFile<SyntaxToken>, SyntaxContext), |
| <a href=#983 id=983 data-nosnippet>983</a> ) { |
| <a href=#984 id=984 data-nosnippet>984</a> <span class="self">self</span>.descend_into_macros_all(<span class="self">self</span>.wrap_token_infile(token), <span class="bool-val">false</span>, <span class="kw-2">&mut </span>|t, ctx| { |
| <a href=#985 id=985 data-nosnippet>985</a> cb(t, ctx) |
| <a href=#986 id=986 data-nosnippet>986</a> }); |
| <a href=#987 id=987 data-nosnippet>987</a> } |
| <a href=#988 id=988 data-nosnippet>988</a> |
| <a href=#989 id=989 data-nosnippet>989</a> <span class="kw">pub fn </span>descend_into_macros(<span class="kw-2">&</span><span class="self">self</span>, token: SyntaxToken) -> SmallVec<[SyntaxToken; <span class="number">1</span>]> { |
| <a href=#990 id=990 data-nosnippet>990</a> <span class="kw">let </span><span class="kw-2">mut </span>res = <span class="macro">smallvec!</span>[]; |
| <a href=#991 id=991 data-nosnippet>991</a> <span class="self">self</span>.descend_into_macros_all( |
| <a href=#992 id=992 data-nosnippet>992</a> <span class="self">self</span>.wrap_token_infile(token.clone()), |
| <a href=#993 id=993 data-nosnippet>993</a> <span class="bool-val">false</span>, |
| <a href=#994 id=994 data-nosnippet>994</a> <span class="kw-2">&mut </span>|t, _ctx| res.push(t.value), |
| <a href=#995 id=995 data-nosnippet>995</a> ); |
| <a href=#996 id=996 data-nosnippet>996</a> <span class="kw">if </span>res.is_empty() { |
| <a href=#997 id=997 data-nosnippet>997</a> res.push(token); |
| <a href=#998 id=998 data-nosnippet>998</a> } |
| <a href=#999 id=999 data-nosnippet>999</a> res |
| <a href=#1000 id=1000 data-nosnippet>1000</a> } |
| <a href=#1001 id=1001 data-nosnippet>1001</a> |
| <a href=#1002 id=1002 data-nosnippet>1002</a> <span class="kw">pub fn </span>descend_into_macros_no_opaque( |
| <a href=#1003 id=1003 data-nosnippet>1003</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1004 id=1004 data-nosnippet>1004</a> token: SyntaxToken, |
| <a href=#1005 id=1005 data-nosnippet>1005</a> always_descend_into_derives: bool, |
| <a href=#1006 id=1006 data-nosnippet>1006</a> ) -> SmallVec<[InFile<SyntaxToken>; <span class="number">1</span>]> { |
| <a href=#1007 id=1007 data-nosnippet>1007</a> <span class="kw">let </span><span class="kw-2">mut </span>res = <span class="macro">smallvec!</span>[]; |
| <a href=#1008 id=1008 data-nosnippet>1008</a> <span class="kw">let </span>token = <span class="self">self</span>.wrap_token_infile(token); |
| <a href=#1009 id=1009 data-nosnippet>1009</a> <span class="self">self</span>.descend_into_macros_all(token.clone(), always_descend_into_derives, <span class="kw-2">&mut </span>|t, ctx| { |
| <a href=#1010 id=1010 data-nosnippet>1010</a> <span class="kw">if </span>!ctx.is_opaque(<span class="self">self</span>.db) { |
| <a href=#1011 id=1011 data-nosnippet>1011</a> <span class="comment">// Don't descend into opaque contexts |
| <a href=#1012 id=1012 data-nosnippet>1012</a> </span>res.push(t); |
| <a href=#1013 id=1013 data-nosnippet>1013</a> } |
| <a href=#1014 id=1014 data-nosnippet>1014</a> }); |
| <a href=#1015 id=1015 data-nosnippet>1015</a> <span class="kw">if </span>res.is_empty() { |
| <a href=#1016 id=1016 data-nosnippet>1016</a> res.push(token); |
| <a href=#1017 id=1017 data-nosnippet>1017</a> } |
| <a href=#1018 id=1018 data-nosnippet>1018</a> res |
| <a href=#1019 id=1019 data-nosnippet>1019</a> } |
| <a href=#1020 id=1020 data-nosnippet>1020</a> |
| <a href=#1021 id=1021 data-nosnippet>1021</a> <span class="kw">pub fn </span>descend_into_macros_breakable<T>( |
| <a href=#1022 id=1022 data-nosnippet>1022</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1023 id=1023 data-nosnippet>1023</a> token: InFile<SyntaxToken>, |
| <a href=#1024 id=1024 data-nosnippet>1024</a> <span class="kw-2">mut </span>cb: <span class="kw">impl </span>FnMut(InFile<SyntaxToken>, SyntaxContext) -> ControlFlow<T>, |
| <a href=#1025 id=1025 data-nosnippet>1025</a> ) -> <span class="prelude-ty">Option</span><T> { |
| <a href=#1026 id=1026 data-nosnippet>1026</a> <span class="self">self</span>.descend_into_macros_impl(token, <span class="bool-val">false</span>, <span class="kw-2">&mut </span>cb) |
| <a href=#1027 id=1027 data-nosnippet>1027</a> } |
| <a href=#1028 id=1028 data-nosnippet>1028</a> |
| <a href=#1029 id=1029 data-nosnippet>1029</a> <span class="doccomment">/// Descends the token into expansions, returning the tokens that matches the input |
| <a href=#1030 id=1030 data-nosnippet>1030</a> /// token's [`SyntaxKind`] and text. |
| <a href=#1031 id=1031 data-nosnippet>1031</a> </span><span class="kw">pub fn </span>descend_into_macros_exact(<span class="kw-2">&</span><span class="self">self</span>, token: SyntaxToken) -> SmallVec<[SyntaxToken; <span class="number">1</span>]> { |
| <a href=#1032 id=1032 data-nosnippet>1032</a> <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="macro">smallvec!</span>[]; |
| <a href=#1033 id=1033 data-nosnippet>1033</a> <span class="kw">let </span>text = token.text(); |
| <a href=#1034 id=1034 data-nosnippet>1034</a> <span class="kw">let </span>kind = token.kind(); |
| <a href=#1035 id=1035 data-nosnippet>1035</a> |
| <a href=#1036 id=1036 data-nosnippet>1036</a> <span class="self">self</span>.descend_into_macros_cb(token.clone(), |InFile { value, file_id: <span class="kw">_ </span>}, ctx| { |
| <a href=#1037 id=1037 data-nosnippet>1037</a> <span class="kw">let </span>mapped_kind = value.kind(); |
| <a href=#1038 id=1038 data-nosnippet>1038</a> <span class="kw">let </span>any_ident_match = || kind.is_any_identifier() && value.kind().is_any_identifier(); |
| <a href=#1039 id=1039 data-nosnippet>1039</a> <span class="kw">let </span>matches = (kind == mapped_kind || any_ident_match()) |
| <a href=#1040 id=1040 data-nosnippet>1040</a> && text == value.text() |
| <a href=#1041 id=1041 data-nosnippet>1041</a> && !ctx.is_opaque(<span class="self">self</span>.db); |
| <a href=#1042 id=1042 data-nosnippet>1042</a> <span class="kw">if </span>matches { |
| <a href=#1043 id=1043 data-nosnippet>1043</a> r.push(value); |
| <a href=#1044 id=1044 data-nosnippet>1044</a> } |
| <a href=#1045 id=1045 data-nosnippet>1045</a> }); |
| <a href=#1046 id=1046 data-nosnippet>1046</a> <span class="kw">if </span>r.is_empty() { |
| <a href=#1047 id=1047 data-nosnippet>1047</a> r.push(token); |
| <a href=#1048 id=1048 data-nosnippet>1048</a> } |
| <a href=#1049 id=1049 data-nosnippet>1049</a> r |
| <a href=#1050 id=1050 data-nosnippet>1050</a> } |
| <a href=#1051 id=1051 data-nosnippet>1051</a> |
| <a href=#1052 id=1052 data-nosnippet>1052</a> <span class="doccomment">/// Descends the token into expansions, returning the tokens that matches the input |
| <a href=#1053 id=1053 data-nosnippet>1053</a> /// token's [`SyntaxKind`] and text. |
| <a href=#1054 id=1054 data-nosnippet>1054</a> </span><span class="kw">pub fn </span>descend_into_macros_exact_with_file( |
| <a href=#1055 id=1055 data-nosnippet>1055</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1056 id=1056 data-nosnippet>1056</a> token: SyntaxToken, |
| <a href=#1057 id=1057 data-nosnippet>1057</a> ) -> SmallVec<[InFile<SyntaxToken>; <span class="number">1</span>]> { |
| <a href=#1058 id=1058 data-nosnippet>1058</a> <span class="kw">let </span><span class="kw-2">mut </span>r = <span class="macro">smallvec!</span>[]; |
| <a href=#1059 id=1059 data-nosnippet>1059</a> <span class="kw">let </span>text = token.text(); |
| <a href=#1060 id=1060 data-nosnippet>1060</a> <span class="kw">let </span>kind = token.kind(); |
| <a href=#1061 id=1061 data-nosnippet>1061</a> |
| <a href=#1062 id=1062 data-nosnippet>1062</a> <span class="self">self</span>.descend_into_macros_cb(token.clone(), |InFile { value, file_id }, ctx| { |
| <a href=#1063 id=1063 data-nosnippet>1063</a> <span class="kw">let </span>mapped_kind = value.kind(); |
| <a href=#1064 id=1064 data-nosnippet>1064</a> <span class="kw">let </span>any_ident_match = || kind.is_any_identifier() && value.kind().is_any_identifier(); |
| <a href=#1065 id=1065 data-nosnippet>1065</a> <span class="kw">let </span>matches = (kind == mapped_kind || any_ident_match()) |
| <a href=#1066 id=1066 data-nosnippet>1066</a> && text == value.text() |
| <a href=#1067 id=1067 data-nosnippet>1067</a> && !ctx.is_opaque(<span class="self">self</span>.db); |
| <a href=#1068 id=1068 data-nosnippet>1068</a> <span class="kw">if </span>matches { |
| <a href=#1069 id=1069 data-nosnippet>1069</a> r.push(InFile { value, file_id }); |
| <a href=#1070 id=1070 data-nosnippet>1070</a> } |
| <a href=#1071 id=1071 data-nosnippet>1071</a> }); |
| <a href=#1072 id=1072 data-nosnippet>1072</a> <span class="kw">if </span>r.is_empty() { |
| <a href=#1073 id=1073 data-nosnippet>1073</a> r.push(<span class="self">self</span>.wrap_token_infile(token)); |
| <a href=#1074 id=1074 data-nosnippet>1074</a> } |
| <a href=#1075 id=1075 data-nosnippet>1075</a> r |
| <a href=#1076 id=1076 data-nosnippet>1076</a> } |
| <a href=#1077 id=1077 data-nosnippet>1077</a> |
| <a href=#1078 id=1078 data-nosnippet>1078</a> <span class="doccomment">/// Descends the token into expansions, returning the first token that matches the input |
| <a href=#1079 id=1079 data-nosnippet>1079</a> /// token's [`SyntaxKind`] and text. |
| <a href=#1080 id=1080 data-nosnippet>1080</a> </span><span class="kw">pub fn </span>descend_into_macros_single_exact(<span class="kw-2">&</span><span class="self">self</span>, token: SyntaxToken) -> SyntaxToken { |
| <a href=#1081 id=1081 data-nosnippet>1081</a> <span class="kw">let </span>text = token.text(); |
| <a href=#1082 id=1082 data-nosnippet>1082</a> <span class="kw">let </span>kind = token.kind(); |
| <a href=#1083 id=1083 data-nosnippet>1083</a> <span class="self">self</span>.descend_into_macros_breakable( |
| <a href=#1084 id=1084 data-nosnippet>1084</a> <span class="self">self</span>.wrap_token_infile(token.clone()), |
| <a href=#1085 id=1085 data-nosnippet>1085</a> |InFile { value, file_id: <span class="kw">_ </span>}, _ctx| { |
| <a href=#1086 id=1086 data-nosnippet>1086</a> <span class="kw">let </span>mapped_kind = value.kind(); |
| <a href=#1087 id=1087 data-nosnippet>1087</a> <span class="kw">let </span>any_ident_match = |
| <a href=#1088 id=1088 data-nosnippet>1088</a> || kind.is_any_identifier() && value.kind().is_any_identifier(); |
| <a href=#1089 id=1089 data-nosnippet>1089</a> <span class="kw">let </span>matches = (kind == mapped_kind || any_ident_match()) && text == value.text(); |
| <a href=#1090 id=1090 data-nosnippet>1090</a> <span class="kw">if </span>matches { ControlFlow::Break(value) } <span class="kw">else </span>{ ControlFlow::Continue(()) } |
| <a href=#1091 id=1091 data-nosnippet>1091</a> }, |
| <a href=#1092 id=1092 data-nosnippet>1092</a> ) |
| <a href=#1093 id=1093 data-nosnippet>1093</a> .unwrap_or(token) |
| <a href=#1094 id=1094 data-nosnippet>1094</a> } |
| <a href=#1095 id=1095 data-nosnippet>1095</a> |
| <a href=#1096 id=1096 data-nosnippet>1096</a> <span class="kw">fn </span>descend_into_macros_all( |
| <a href=#1097 id=1097 data-nosnippet>1097</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1098 id=1098 data-nosnippet>1098</a> token: InFile<SyntaxToken>, |
| <a href=#1099 id=1099 data-nosnippet>1099</a> always_descend_into_derives: bool, |
| <a href=#1100 id=1100 data-nosnippet>1100</a> f: <span class="kw-2">&mut </span><span class="kw">dyn </span>FnMut(InFile<SyntaxToken>, SyntaxContext), |
| <a href=#1101 id=1101 data-nosnippet>1101</a> ) { |
| <a href=#1102 id=1102 data-nosnippet>1102</a> <span class="self">self</span>.descend_into_macros_impl(token, always_descend_into_derives, <span class="kw-2">&mut </span>|tok, ctx| { |
| <a href=#1103 id=1103 data-nosnippet>1103</a> f(tok, ctx); |
| <a href=#1104 id=1104 data-nosnippet>1104</a> CONTINUE_NO_BREAKS |
| <a href=#1105 id=1105 data-nosnippet>1105</a> }); |
| <a href=#1106 id=1106 data-nosnippet>1106</a> } |
| <a href=#1107 id=1107 data-nosnippet>1107</a> |
| <a href=#1108 id=1108 data-nosnippet>1108</a> <span class="kw">fn </span>descend_into_macros_impl<T>( |
| <a href=#1109 id=1109 data-nosnippet>1109</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1110 id=1110 data-nosnippet>1110</a> InFile { value: token, file_id }: InFile<SyntaxToken>, |
| <a href=#1111 id=1111 data-nosnippet>1111</a> always_descend_into_derives: bool, |
| <a href=#1112 id=1112 data-nosnippet>1112</a> f: <span class="kw-2">&mut </span><span class="kw">dyn </span>FnMut(InFile<SyntaxToken>, SyntaxContext) -> ControlFlow<T>, |
| <a href=#1113 id=1113 data-nosnippet>1113</a> ) -> <span class="prelude-ty">Option</span><T> { |
| <a href=#1114 id=1114 data-nosnippet>1114</a> <span class="kw">let </span>_p = <span class="macro">tracing::info_span!</span>(<span class="string">"descend_into_macros_impl"</span>).entered(); |
| <a href=#1115 id=1115 data-nosnippet>1115</a> |
| <a href=#1116 id=1116 data-nosnippet>1116</a> <span class="kw">let </span>db = <span class="self">self</span>.db; |
| <a href=#1117 id=1117 data-nosnippet>1117</a> <span class="kw">let </span>span = db.span_map(file_id).span_for_range(token.text_range()); |
| <a href=#1118 id=1118 data-nosnippet>1118</a> |
| <a href=#1119 id=1119 data-nosnippet>1119</a> <span class="comment">// Process the expansion of a call, pushing all tokens with our span in the expansion back onto our stack |
| <a href=#1120 id=1120 data-nosnippet>1120</a> </span><span class="kw">let </span>process_expansion_for_token = |
| <a href=#1121 id=1121 data-nosnippet>1121</a> |ctx: <span class="kw-2">&mut </span>SourceToDefCtx<<span class="lifetime">'_</span>, <span class="lifetime">'_</span>>, stack: <span class="kw-2">&mut </span>Vec<<span class="kw">_</span>>, macro_file| { |
| <a href=#1122 id=1122 data-nosnippet>1122</a> <span class="kw">let </span>InMacroFile { file_id, value: mapped_tokens } = ctx |
| <a href=#1123 id=1123 data-nosnippet>1123</a> .cache |
| <a href=#1124 id=1124 data-nosnippet>1124</a> .get_or_insert_expansion(ctx.db, macro_file) |
| <a href=#1125 id=1125 data-nosnippet>1125</a> .map_range_down(span)<span class="question-mark">? |
| <a href=#1126 id=1126 data-nosnippet>1126</a> </span>.map(SmallVec::<[<span class="kw">_</span>; <span class="number">2</span>]>::from_iter); |
| <a href=#1127 id=1127 data-nosnippet>1127</a> <span class="comment">// we have found a mapping for the token if the vec is non-empty |
| <a href=#1128 id=1128 data-nosnippet>1128</a> </span><span class="kw">let </span>res = mapped_tokens.is_empty().not().then_some(()); |
| <a href=#1129 id=1129 data-nosnippet>1129</a> <span class="comment">// requeue the tokens we got from mapping our current token down |
| <a href=#1130 id=1130 data-nosnippet>1130</a> </span>stack.push((HirFileId::from(file_id), mapped_tokens)); |
| <a href=#1131 id=1131 data-nosnippet>1131</a> res |
| <a href=#1132 id=1132 data-nosnippet>1132</a> }; |
| <a href=#1133 id=1133 data-nosnippet>1133</a> |
| <a href=#1134 id=1134 data-nosnippet>1134</a> <span class="comment">// A stack of tokens to process, along with the file they came from |
| <a href=#1135 id=1135 data-nosnippet>1135</a> // These are tracked to know which macro calls we still have to look into |
| <a href=#1136 id=1136 data-nosnippet>1136</a> // the tokens themselves aren't that interesting as the span that is being used to map |
| <a href=#1137 id=1137 data-nosnippet>1137</a> // things down never changes. |
| <a href=#1138 id=1138 data-nosnippet>1138</a> </span><span class="kw">let </span><span class="kw-2">mut </span>stack: Vec<(<span class="kw">_</span>, SmallVec<[<span class="kw">_</span>; <span class="number">2</span>]>)> = <span class="macro">vec!</span>[]; |
| <a href=#1139 id=1139 data-nosnippet>1139</a> <span class="kw">let </span>include = file_id |
| <a href=#1140 id=1140 data-nosnippet>1140</a> .file_id() |
| <a href=#1141 id=1141 data-nosnippet>1141</a> .and_then(|file_id| <span class="self">self</span>.s2d_cache.borrow_mut().get_or_insert_include_for(db, file_id)); |
| <a href=#1142 id=1142 data-nosnippet>1142</a> <span class="kw">match </span>include { |
| <a href=#1143 id=1143 data-nosnippet>1143</a> <span class="prelude-val">Some</span>(include) => { |
| <a href=#1144 id=1144 data-nosnippet>1144</a> <span class="comment">// include! inputs are always from real files, so they only need to be handled once upfront |
| <a href=#1145 id=1145 data-nosnippet>1145</a> </span><span class="self">self</span>.with_ctx(|ctx| process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, include))<span class="question-mark">?</span>; |
| <a href=#1146 id=1146 data-nosnippet>1146</a> } |
| <a href=#1147 id=1147 data-nosnippet>1147</a> <span class="prelude-val">None </span>=> { |
| <a href=#1148 id=1148 data-nosnippet>1148</a> stack.push((file_id, <span class="macro">smallvec!</span>[(token, span.ctx)])); |
| <a href=#1149 id=1149 data-nosnippet>1149</a> } |
| <a href=#1150 id=1150 data-nosnippet>1150</a> } |
| <a href=#1151 id=1151 data-nosnippet>1151</a> |
| <a href=#1152 id=1152 data-nosnippet>1152</a> <span class="kw">let </span><span class="kw-2">mut </span>m_cache = <span class="self">self</span>.macro_call_cache.borrow_mut(); |
| <a href=#1153 id=1153 data-nosnippet>1153</a> |
| <a href=#1154 id=1154 data-nosnippet>1154</a> <span class="comment">// Filters out all tokens that contain the given range (usually the macro call), any such |
| <a href=#1155 id=1155 data-nosnippet>1155</a> // token is redundant as the corresponding macro call has already been processed |
| <a href=#1156 id=1156 data-nosnippet>1156</a> </span><span class="kw">let </span>filter_duplicates = |tokens: <span class="kw-2">&mut </span>SmallVec<<span class="kw">_</span>>, range: TextRange| { |
| <a href=#1157 id=1157 data-nosnippet>1157</a> tokens.retain(|(t, <span class="kw">_</span>): <span class="kw-2">&mut </span>(SyntaxToken, <span class="kw">_</span>)| !range.contains_range(t.text_range())) |
| <a href=#1158 id=1158 data-nosnippet>1158</a> }; |
| <a href=#1159 id=1159 data-nosnippet>1159</a> |
| <a href=#1160 id=1160 data-nosnippet>1160</a> <span class="kw">while let </span><span class="prelude-val">Some</span>((expansion, <span class="kw-2">ref mut </span>tokens)) = stack.pop() { |
| <a href=#1161 id=1161 data-nosnippet>1161</a> <span class="comment">// Reverse the tokens so we prefer first tokens (to accommodate for popping from the |
| <a href=#1162 id=1162 data-nosnippet>1162</a> // back) |
| <a href=#1163 id=1163 data-nosnippet>1163</a> // alternatively we could pop from the front but that would shift the content on every pop |
| <a href=#1164 id=1164 data-nosnippet>1164</a> </span>tokens.reverse(); |
| <a href=#1165 id=1165 data-nosnippet>1165</a> <span class="kw">while let </span><span class="prelude-val">Some</span>((token, ctx)) = tokens.pop() { |
| <a href=#1166 id=1166 data-nosnippet>1166</a> <span class="kw">let </span>was_not_remapped = (|| { |
| <a href=#1167 id=1167 data-nosnippet>1167</a> <span class="comment">// First expand into attribute invocations, this is required to be handled |
| <a href=#1168 id=1168 data-nosnippet>1168</a> // upfront as any other macro call within will not semantically resolve unless |
| <a href=#1169 id=1169 data-nosnippet>1169</a> // also descended. |
| <a href=#1170 id=1170 data-nosnippet>1170</a> </span><span class="kw">let </span>res = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1171 id=1171 data-nosnippet>1171</a> token |
| <a href=#1172 id=1172 data-nosnippet>1172</a> .parent_ancestors() |
| <a href=#1173 id=1173 data-nosnippet>1173</a> .filter_map(ast::Item::cast) |
| <a href=#1174 id=1174 data-nosnippet>1174</a> <span class="comment">// FIXME: This might work incorrectly when we have a derive, followed by |
| <a href=#1175 id=1175 data-nosnippet>1175</a> // an attribute on an item, like: |
| <a href=#1176 id=1176 data-nosnippet>1176</a> // ``` |
| <a href=#1177 id=1177 data-nosnippet>1177</a> // #[derive(Debug$0)] |
| <a href=#1178 id=1178 data-nosnippet>1178</a> // #[my_attr] |
| <a href=#1179 id=1179 data-nosnippet>1179</a> // struct MyStruct; |
| <a href=#1180 id=1180 data-nosnippet>1180</a> // ``` |
| <a href=#1181 id=1181 data-nosnippet>1181</a> // here we should not consider the attribute at all, as our cursor |
| <a href=#1182 id=1182 data-nosnippet>1182</a> // technically lies outside of its expansion |
| <a href=#1183 id=1183 data-nosnippet>1183</a> </span>.find_map(|item| { |
| <a href=#1184 id=1184 data-nosnippet>1184</a> <span class="comment">// Don't force populate the dyn cache for items that don't have an attribute anyways |
| <a href=#1185 id=1185 data-nosnippet>1185</a> </span>item.attrs().next()<span class="question-mark">?</span>; |
| <a href=#1186 id=1186 data-nosnippet>1186</a> ctx.item_to_macro_call(InFile::new(expansion, <span class="kw-2">&</span>item)) |
| <a href=#1187 id=1187 data-nosnippet>1187</a> .zip(<span class="prelude-val">Some</span>(item)) |
| <a href=#1188 id=1188 data-nosnippet>1188</a> }) |
| <a href=#1189 id=1189 data-nosnippet>1189</a> .map(|(call_id, item)| { |
| <a href=#1190 id=1190 data-nosnippet>1190</a> <span class="kw">let </span>attr_id = <span class="kw">match </span>db.lookup_intern_macro_call(call_id).kind { |
| <a href=#1191 id=1191 data-nosnippet>1191</a> hir_expand::MacroCallKind::Attr { |
| <a href=#1192 id=1192 data-nosnippet>1192</a> invoc_attr_index, .. |
| <a href=#1193 id=1193 data-nosnippet>1193</a> } => invoc_attr_index.ast_index(), |
| <a href=#1194 id=1194 data-nosnippet>1194</a> <span class="kw">_ </span>=> <span class="number">0</span>, |
| <a href=#1195 id=1195 data-nosnippet>1195</a> }; |
| <a href=#1196 id=1196 data-nosnippet>1196</a> <span class="comment">// FIXME: here, the attribute's text range is used to strip away all |
| <a href=#1197 id=1197 data-nosnippet>1197</a> // entries from the start of the attribute "list" up the invoking |
| <a href=#1198 id=1198 data-nosnippet>1198</a> // attribute. But in |
| <a href=#1199 id=1199 data-nosnippet>1199</a> // ``` |
| <a href=#1200 id=1200 data-nosnippet>1200</a> // mod foo { |
| <a href=#1201 id=1201 data-nosnippet>1201</a> // #![inner] |
| <a href=#1202 id=1202 data-nosnippet>1202</a> // } |
| <a href=#1203 id=1203 data-nosnippet>1203</a> // ``` |
| <a href=#1204 id=1204 data-nosnippet>1204</a> // we don't wanna strip away stuff in the `mod foo {` range, that is |
| <a href=#1205 id=1205 data-nosnippet>1205</a> // here if the id corresponds to an inner attribute we got strip all |
| <a href=#1206 id=1206 data-nosnippet>1206</a> // text ranges of the outer ones, and then all of the inner ones up |
| <a href=#1207 id=1207 data-nosnippet>1207</a> // to the invoking attribute so that the inbetween is ignored. |
| <a href=#1208 id=1208 data-nosnippet>1208</a> </span><span class="kw">let </span>text_range = item.syntax().text_range(); |
| <a href=#1209 id=1209 data-nosnippet>1209</a> <span class="kw">let </span>start = collect_attrs(<span class="kw-2">&</span>item) |
| <a href=#1210 id=1210 data-nosnippet>1210</a> .nth(attr_id) |
| <a href=#1211 id=1211 data-nosnippet>1211</a> .map(|attr| <span class="kw">match </span>attr.<span class="number">1 </span>{ |
| <a href=#1212 id=1212 data-nosnippet>1212</a> Either::Left(it) => it.syntax().text_range().start(), |
| <a href=#1213 id=1213 data-nosnippet>1213</a> Either::Right(it) => it.syntax().text_range().start(), |
| <a href=#1214 id=1214 data-nosnippet>1214</a> }) |
| <a href=#1215 id=1215 data-nosnippet>1215</a> .unwrap_or_else(|| text_range.start()); |
| <a href=#1216 id=1216 data-nosnippet>1216</a> <span class="kw">let </span>text_range = TextRange::new(start, text_range.end()); |
| <a href=#1217 id=1217 data-nosnippet>1217</a> filter_duplicates(tokens, text_range); |
| <a href=#1218 id=1218 data-nosnippet>1218</a> process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, call_id) |
| <a href=#1219 id=1219 data-nosnippet>1219</a> }) |
| <a href=#1220 id=1220 data-nosnippet>1220</a> }); |
| <a href=#1221 id=1221 data-nosnippet>1221</a> |
| <a href=#1222 id=1222 data-nosnippet>1222</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(res) = res { |
| <a href=#1223 id=1223 data-nosnippet>1223</a> <span class="kw">return </span>res; |
| <a href=#1224 id=1224 data-nosnippet>1224</a> } |
| <a href=#1225 id=1225 data-nosnippet>1225</a> |
| <a href=#1226 id=1226 data-nosnippet>1226</a> <span class="kw">if </span>always_descend_into_derives { |
| <a href=#1227 id=1227 data-nosnippet>1227</a> <span class="kw">let </span>res = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1228 id=1228 data-nosnippet>1228</a> <span class="kw">let </span>(derives, adt) = token |
| <a href=#1229 id=1229 data-nosnippet>1229</a> .parent_ancestors() |
| <a href=#1230 id=1230 data-nosnippet>1230</a> .filter_map(ast::Adt::cast) |
| <a href=#1231 id=1231 data-nosnippet>1231</a> .find_map(|adt| { |
| <a href=#1232 id=1232 data-nosnippet>1232</a> <span class="prelude-val">Some</span>(( |
| <a href=#1233 id=1233 data-nosnippet>1233</a> ctx.derive_macro_calls(InFile::new(expansion, <span class="kw-2">&</span>adt))<span class="question-mark">? |
| <a href=#1234 id=1234 data-nosnippet>1234</a> </span>.map(|(a, b, c)| (a, b, c.to_owned())) |
| <a href=#1235 id=1235 data-nosnippet>1235</a> .collect::<SmallVec<[<span class="kw">_</span>; <span class="number">2</span>]>>(), |
| <a href=#1236 id=1236 data-nosnippet>1236</a> adt, |
| <a href=#1237 id=1237 data-nosnippet>1237</a> )) |
| <a href=#1238 id=1238 data-nosnippet>1238</a> })<span class="question-mark">?</span>; |
| <a href=#1239 id=1239 data-nosnippet>1239</a> <span class="kw">for </span>(<span class="kw">_</span>, derive_attr, derives) <span class="kw">in </span>derives { |
| <a href=#1240 id=1240 data-nosnippet>1240</a> <span class="comment">// as there may be multiple derives registering the same helper |
| <a href=#1241 id=1241 data-nosnippet>1241</a> // name, we gotta make sure to call this for all of them! |
| <a href=#1242 id=1242 data-nosnippet>1242</a> // FIXME: We need to call `f` for all of them as well though! |
| <a href=#1243 id=1243 data-nosnippet>1243</a> </span>process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, derive_attr); |
| <a href=#1244 id=1244 data-nosnippet>1244</a> <span class="kw">for </span>derive <span class="kw">in </span>derives.into_iter().flatten() { |
| <a href=#1245 id=1245 data-nosnippet>1245</a> process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, derive); |
| <a href=#1246 id=1246 data-nosnippet>1246</a> } |
| <a href=#1247 id=1247 data-nosnippet>1247</a> } |
| <a href=#1248 id=1248 data-nosnippet>1248</a> <span class="comment">// remove all tokens that are within the derives expansion |
| <a href=#1249 id=1249 data-nosnippet>1249</a> </span>filter_duplicates(tokens, adt.syntax().text_range()); |
| <a href=#1250 id=1250 data-nosnippet>1250</a> <span class="prelude-val">Some</span>(()) |
| <a href=#1251 id=1251 data-nosnippet>1251</a> }); |
| <a href=#1252 id=1252 data-nosnippet>1252</a> <span class="comment">// if we found derives, we can early exit. There is no way we can be in any |
| <a href=#1253 id=1253 data-nosnippet>1253</a> // macro call at this point given we are not in a token tree |
| <a href=#1254 id=1254 data-nosnippet>1254</a> </span><span class="kw">if let </span><span class="prelude-val">Some</span>(()) = res { |
| <a href=#1255 id=1255 data-nosnippet>1255</a> <span class="comment">// Note: derives do not remap the original token. Furthermore, we want |
| <a href=#1256 id=1256 data-nosnippet>1256</a> // the original token to be before the derives in the list, because if they |
| <a href=#1257 id=1257 data-nosnippet>1257</a> // upmap to the same token and we deduplicate them (e.g. in rename), we |
| <a href=#1258 id=1258 data-nosnippet>1258</a> // want the original token to remain, not the derive. |
| <a href=#1259 id=1259 data-nosnippet>1259</a> </span><span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#1260 id=1260 data-nosnippet>1260</a> } |
| <a href=#1261 id=1261 data-nosnippet>1261</a> } |
| <a href=#1262 id=1262 data-nosnippet>1262</a> <span class="comment">// Then check for token trees, that means we are either in a function-like macro or |
| <a href=#1263 id=1263 data-nosnippet>1263</a> // secondary attribute inputs |
| <a href=#1264 id=1264 data-nosnippet>1264</a> </span><span class="kw">let </span>tt = token |
| <a href=#1265 id=1265 data-nosnippet>1265</a> .parent_ancestors() |
| <a href=#1266 id=1266 data-nosnippet>1266</a> .map_while(Either::<ast::TokenTree, ast::Meta>::cast) |
| <a href=#1267 id=1267 data-nosnippet>1267</a> .last()<span class="question-mark">?</span>; |
| <a href=#1268 id=1268 data-nosnippet>1268</a> |
| <a href=#1269 id=1269 data-nosnippet>1269</a> <span class="kw">match </span>tt { |
| <a href=#1270 id=1270 data-nosnippet>1270</a> <span class="comment">// function-like macro call |
| <a href=#1271 id=1271 data-nosnippet>1271</a> </span>Either::Left(tt) => { |
| <a href=#1272 id=1272 data-nosnippet>1272</a> <span class="kw">let </span>macro_call = tt.syntax().parent().and_then(ast::MacroCall::cast)<span class="question-mark">?</span>; |
| <a href=#1273 id=1273 data-nosnippet>1273</a> <span class="kw">if </span>tt.left_delimiter_token().map_or(<span class="bool-val">false</span>, |it| it == token) { |
| <a href=#1274 id=1274 data-nosnippet>1274</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#1275 id=1275 data-nosnippet>1275</a> } |
| <a href=#1276 id=1276 data-nosnippet>1276</a> <span class="kw">if </span>tt.right_delimiter_token().map_or(<span class="bool-val">false</span>, |it| it == token) { |
| <a href=#1277 id=1277 data-nosnippet>1277</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#1278 id=1278 data-nosnippet>1278</a> } |
| <a href=#1279 id=1279 data-nosnippet>1279</a> <span class="kw">let </span>mcall = InFile::new(expansion, macro_call); |
| <a href=#1280 id=1280 data-nosnippet>1280</a> <span class="kw">let </span>file_id = <span class="kw">match </span>m_cache.get(<span class="kw-2">&</span>mcall) { |
| <a href=#1281 id=1281 data-nosnippet>1281</a> <span class="prelude-val">Some</span>(<span class="kw-2">&</span>it) => it, |
| <a href=#1282 id=1282 data-nosnippet>1282</a> <span class="prelude-val">None </span>=> { |
| <a href=#1283 id=1283 data-nosnippet>1283</a> <span class="kw">let </span>it = ast::MacroCall::to_def(<span class="self">self</span>, mcall.as_ref())<span class="question-mark">?</span>; |
| <a href=#1284 id=1284 data-nosnippet>1284</a> m_cache.insert(mcall, it); |
| <a href=#1285 id=1285 data-nosnippet>1285</a> it |
| <a href=#1286 id=1286 data-nosnippet>1286</a> } |
| <a href=#1287 id=1287 data-nosnippet>1287</a> }; |
| <a href=#1288 id=1288 data-nosnippet>1288</a> <span class="kw">let </span>text_range = tt.syntax().text_range(); |
| <a href=#1289 id=1289 data-nosnippet>1289</a> filter_duplicates(tokens, text_range); |
| <a href=#1290 id=1290 data-nosnippet>1290</a> |
| <a href=#1291 id=1291 data-nosnippet>1291</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1292 id=1292 data-nosnippet>1292</a> process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, file_id).or(file_id |
| <a href=#1293 id=1293 data-nosnippet>1293</a> .eager_arg(db) |
| <a href=#1294 id=1294 data-nosnippet>1294</a> .and_then(|arg| { |
| <a href=#1295 id=1295 data-nosnippet>1295</a> <span class="comment">// also descend into eager expansions |
| <a href=#1296 id=1296 data-nosnippet>1296</a> </span>process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, arg) |
| <a href=#1297 id=1297 data-nosnippet>1297</a> })) |
| <a href=#1298 id=1298 data-nosnippet>1298</a> }) |
| <a href=#1299 id=1299 data-nosnippet>1299</a> } |
| <a href=#1300 id=1300 data-nosnippet>1300</a> Either::Right(<span class="kw">_</span>) <span class="kw">if </span>always_descend_into_derives => <span class="prelude-val">None</span>, |
| <a href=#1301 id=1301 data-nosnippet>1301</a> <span class="comment">// derive or derive helper |
| <a href=#1302 id=1302 data-nosnippet>1302</a> </span>Either::Right(meta) => { |
| <a href=#1303 id=1303 data-nosnippet>1303</a> <span class="comment">// attribute we failed expansion for earlier, this might be a derive invocation |
| <a href=#1304 id=1304 data-nosnippet>1304</a> // or derive helper attribute |
| <a href=#1305 id=1305 data-nosnippet>1305</a> </span><span class="kw">let </span>attr = meta.parent_attr()<span class="question-mark">?</span>; |
| <a href=#1306 id=1306 data-nosnippet>1306</a> <span class="kw">let </span>adt = <span class="kw">match </span>attr.syntax().parent().and_then(ast::Adt::cast) { |
| <a href=#1307 id=1307 data-nosnippet>1307</a> <span class="prelude-val">Some</span>(adt) => { |
| <a href=#1308 id=1308 data-nosnippet>1308</a> <span class="comment">// this might be a derive on an ADT |
| <a href=#1309 id=1309 data-nosnippet>1309</a> </span><span class="kw">let </span>res = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1310 id=1310 data-nosnippet>1310</a> <span class="comment">// so try downmapping the token into the pseudo derive expansion |
| <a href=#1311 id=1311 data-nosnippet>1311</a> // see [hir_expand::builtin_attr_macro] for how the pseudo derive expansion works |
| <a href=#1312 id=1312 data-nosnippet>1312</a> </span><span class="kw">let </span>derive_call = ctx |
| <a href=#1313 id=1313 data-nosnippet>1313</a> .attr_to_derive_macro_call( |
| <a href=#1314 id=1314 data-nosnippet>1314</a> InFile::new(expansion, <span class="kw-2">&</span>adt), |
| <a href=#1315 id=1315 data-nosnippet>1315</a> InFile::new(expansion, attr.clone()), |
| <a href=#1316 id=1316 data-nosnippet>1316</a> )<span class="question-mark">? |
| <a href=#1317 id=1317 data-nosnippet>1317</a> </span>.<span class="number">1</span>; |
| <a href=#1318 id=1318 data-nosnippet>1318</a> |
| <a href=#1319 id=1319 data-nosnippet>1319</a> <span class="comment">// resolved to a derive |
| <a href=#1320 id=1320 data-nosnippet>1320</a> </span><span class="kw">let </span>text_range = attr.syntax().text_range(); |
| <a href=#1321 id=1321 data-nosnippet>1321</a> <span class="comment">// remove any other token in this macro input, all their mappings are the |
| <a href=#1322 id=1322 data-nosnippet>1322</a> // same as this |
| <a href=#1323 id=1323 data-nosnippet>1323</a> </span>tokens.retain(|(t, <span class="kw">_</span>)| { |
| <a href=#1324 id=1324 data-nosnippet>1324</a> !text_range.contains_range(t.text_range()) |
| <a href=#1325 id=1325 data-nosnippet>1325</a> }); |
| <a href=#1326 id=1326 data-nosnippet>1326</a> <span class="prelude-val">Some</span>(process_expansion_for_token( |
| <a href=#1327 id=1327 data-nosnippet>1327</a> ctx, |
| <a href=#1328 id=1328 data-nosnippet>1328</a> <span class="kw-2">&mut </span>stack, |
| <a href=#1329 id=1329 data-nosnippet>1329</a> derive_call, |
| <a href=#1330 id=1330 data-nosnippet>1330</a> )) |
| <a href=#1331 id=1331 data-nosnippet>1331</a> }); |
| <a href=#1332 id=1332 data-nosnippet>1332</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(res) = res { |
| <a href=#1333 id=1333 data-nosnippet>1333</a> <span class="kw">return </span>res; |
| <a href=#1334 id=1334 data-nosnippet>1334</a> } |
| <a href=#1335 id=1335 data-nosnippet>1335</a> <span class="prelude-val">Some</span>(adt) |
| <a href=#1336 id=1336 data-nosnippet>1336</a> } |
| <a href=#1337 id=1337 data-nosnippet>1337</a> <span class="prelude-val">None </span>=> { |
| <a href=#1338 id=1338 data-nosnippet>1338</a> <span class="comment">// Otherwise this could be a derive helper on a variant or field |
| <a href=#1339 id=1339 data-nosnippet>1339</a> </span>attr.syntax().ancestors().find_map(ast::Item::cast).and_then( |
| <a href=#1340 id=1340 data-nosnippet>1340</a> |it| <span class="kw">match </span>it { |
| <a href=#1341 id=1341 data-nosnippet>1341</a> ast::Item::Struct(it) => <span class="prelude-val">Some</span>(ast::Adt::Struct(it)), |
| <a href=#1342 id=1342 data-nosnippet>1342</a> ast::Item::Enum(it) => <span class="prelude-val">Some</span>(ast::Adt::Enum(it)), |
| <a href=#1343 id=1343 data-nosnippet>1343</a> ast::Item::Union(it) => <span class="prelude-val">Some</span>(ast::Adt::Union(it)), |
| <a href=#1344 id=1344 data-nosnippet>1344</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#1345 id=1345 data-nosnippet>1345</a> }, |
| <a href=#1346 id=1346 data-nosnippet>1346</a> ) |
| <a href=#1347 id=1347 data-nosnippet>1347</a> } |
| <a href=#1348 id=1348 data-nosnippet>1348</a> }<span class="question-mark">?</span>; |
| <a href=#1349 id=1349 data-nosnippet>1349</a> <span class="kw">let </span>attr_name = |
| <a href=#1350 id=1350 data-nosnippet>1350</a> attr.path().and_then(|it| it.as_single_name_ref())<span class="question-mark">?</span>.as_name(); |
| <a href=#1351 id=1351 data-nosnippet>1351</a> <span class="comment">// Not an attribute, nor a derive, so it's either an inert attribute or a derive helper |
| <a href=#1352 id=1352 data-nosnippet>1352</a> // Try to resolve to a derive helper and downmap |
| <a href=#1353 id=1353 data-nosnippet>1353</a> </span><span class="kw">let </span>resolver = <span class="kw-2">&</span>token |
| <a href=#1354 id=1354 data-nosnippet>1354</a> .parent() |
| <a href=#1355 id=1355 data-nosnippet>1355</a> .and_then(|parent| { |
| <a href=#1356 id=1356 data-nosnippet>1356</a> <span class="self">self</span>.analyze_impl(InFile::new(expansion, <span class="kw-2">&</span>parent), <span class="prelude-val">None</span>, <span class="bool-val">false</span>) |
| <a href=#1357 id=1357 data-nosnippet>1357</a> })<span class="question-mark">? |
| <a href=#1358 id=1358 data-nosnippet>1358</a> </span>.resolver; |
| <a href=#1359 id=1359 data-nosnippet>1359</a> <span class="kw">let </span>id = db.ast_id_map(expansion).ast_id(<span class="kw-2">&</span>adt); |
| <a href=#1360 id=1360 data-nosnippet>1360</a> <span class="kw">let </span>helpers = resolver |
| <a href=#1361 id=1361 data-nosnippet>1361</a> .def_map() |
| <a href=#1362 id=1362 data-nosnippet>1362</a> .derive_helpers_in_scope(InFile::new(expansion, id))<span class="question-mark">?</span>; |
| <a href=#1363 id=1363 data-nosnippet>1363</a> |
| <a href=#1364 id=1364 data-nosnippet>1364</a> <span class="kw">if </span>!helpers.is_empty() { |
| <a href=#1365 id=1365 data-nosnippet>1365</a> <span class="kw">let </span>text_range = attr.syntax().text_range(); |
| <a href=#1366 id=1366 data-nosnippet>1366</a> filter_duplicates(tokens, text_range); |
| <a href=#1367 id=1367 data-nosnippet>1367</a> } |
| <a href=#1368 id=1368 data-nosnippet>1368</a> |
| <a href=#1369 id=1369 data-nosnippet>1369</a> <span class="kw">let </span><span class="kw-2">mut </span>res = <span class="prelude-val">None</span>; |
| <a href=#1370 id=1370 data-nosnippet>1370</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1371 id=1371 data-nosnippet>1371</a> <span class="kw">for </span>(.., derive) <span class="kw">in |
| <a href=#1372 id=1372 data-nosnippet>1372</a> </span>helpers.iter().filter(|(helper, ..)| <span class="kw-2">*</span>helper == attr_name) |
| <a href=#1373 id=1373 data-nosnippet>1373</a> { |
| <a href=#1374 id=1374 data-nosnippet>1374</a> <span class="comment">// as there may be multiple derives registering the same helper |
| <a href=#1375 id=1375 data-nosnippet>1375</a> // name, we gotta make sure to call this for all of them! |
| <a href=#1376 id=1376 data-nosnippet>1376</a> // FIXME: We need to call `f` for all of them as well though! |
| <a href=#1377 id=1377 data-nosnippet>1377</a> </span>res = res |
| <a href=#1378 id=1378 data-nosnippet>1378</a> .or(process_expansion_for_token(ctx, <span class="kw-2">&mut </span>stack, <span class="kw-2">*</span>derive)); |
| <a href=#1379 id=1379 data-nosnippet>1379</a> } |
| <a href=#1380 id=1380 data-nosnippet>1380</a> res |
| <a href=#1381 id=1381 data-nosnippet>1381</a> }) |
| <a href=#1382 id=1382 data-nosnippet>1382</a> } |
| <a href=#1383 id=1383 data-nosnippet>1383</a> } |
| <a href=#1384 id=1384 data-nosnippet>1384</a> })() |
| <a href=#1385 id=1385 data-nosnippet>1385</a> .is_none(); |
| <a href=#1386 id=1386 data-nosnippet>1386</a> <span class="kw">if </span>was_not_remapped |
| <a href=#1387 id=1387 data-nosnippet>1387</a> && <span class="kw">let </span>ControlFlow::Break(b) = f(InFile::new(expansion, token), ctx) |
| <a href=#1388 id=1388 data-nosnippet>1388</a> { |
| <a href=#1389 id=1389 data-nosnippet>1389</a> <span class="kw">return </span><span class="prelude-val">Some</span>(b); |
| <a href=#1390 id=1390 data-nosnippet>1390</a> } |
| <a href=#1391 id=1391 data-nosnippet>1391</a> } |
| <a href=#1392 id=1392 data-nosnippet>1392</a> } |
| <a href=#1393 id=1393 data-nosnippet>1393</a> <span class="prelude-val">None |
| <a href=#1394 id=1394 data-nosnippet>1394</a> </span>} |
| <a href=#1395 id=1395 data-nosnippet>1395</a> |
| <a href=#1396 id=1396 data-nosnippet>1396</a> <span class="comment">// Note this return type is deliberate as [`find_nodes_at_offset_with_descend`] wants to stop |
| <a href=#1397 id=1397 data-nosnippet>1397</a> // traversing the inner iterator when it finds a node. |
| <a href=#1398 id=1398 data-nosnippet>1398</a> // The outer iterator is over the tokens descendants |
| <a href=#1399 id=1399 data-nosnippet>1399</a> // The inner iterator is the ancestors of a descendant |
| <a href=#1400 id=1400 data-nosnippet>1400</a> </span><span class="kw">fn </span>descend_node_at_offset( |
| <a href=#1401 id=1401 data-nosnippet>1401</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1402 id=1402 data-nosnippet>1402</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#1403 id=1403 data-nosnippet>1403</a> offset: TextSize, |
| <a href=#1404 id=1404 data-nosnippet>1404</a> ) -> <span class="kw">impl </span>Iterator<Item = <span class="kw">impl </span>Iterator<Item = SyntaxNode> + <span class="lifetime">'_</span>> + <span class="lifetime">'_ </span>{ |
| <a href=#1405 id=1405 data-nosnippet>1405</a> node.token_at_offset(offset) |
| <a href=#1406 id=1406 data-nosnippet>1406</a> .map(<span class="kw">move </span>|token| <span class="self">self</span>.descend_into_macros_exact(token)) |
| <a href=#1407 id=1407 data-nosnippet>1407</a> .map(|descendants| { |
| <a href=#1408 id=1408 data-nosnippet>1408</a> descendants.into_iter().map(<span class="kw">move </span>|it| <span class="self">self</span>.token_ancestors_with_macros(it)) |
| <a href=#1409 id=1409 data-nosnippet>1409</a> }) |
| <a href=#1410 id=1410 data-nosnippet>1410</a> <span class="comment">// re-order the tokens from token_at_offset by returning the ancestors with the smaller first nodes first |
| <a href=#1411 id=1411 data-nosnippet>1411</a> // See algo::ancestors_at_offset, which uses the same approach |
| <a href=#1412 id=1412 data-nosnippet>1412</a> </span>.kmerge_by(|left, right| { |
| <a href=#1413 id=1413 data-nosnippet>1413</a> left.clone() |
| <a href=#1414 id=1414 data-nosnippet>1414</a> .map(|node| node.text_range().len()) |
| <a href=#1415 id=1415 data-nosnippet>1415</a> .lt(right.clone().map(|node| node.text_range().len())) |
| <a href=#1416 id=1416 data-nosnippet>1416</a> }) |
| <a href=#1417 id=1417 data-nosnippet>1417</a> } |
| <a href=#1418 id=1418 data-nosnippet>1418</a> |
| <a href=#1419 id=1419 data-nosnippet>1419</a> <span class="doccomment">/// Attempts to map the node out of macro expanded files returning the original file range. |
| <a href=#1420 id=1420 data-nosnippet>1420</a> /// If upmapping is not possible, this will fall back to the range of the macro call of the |
| <a href=#1421 id=1421 data-nosnippet>1421</a> /// macro file the node resides in. |
| <a href=#1422 id=1422 data-nosnippet>1422</a> </span><span class="kw">pub fn </span>original_range(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> FileRange { |
| <a href=#1423 id=1423 data-nosnippet>1423</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(node); |
| <a href=#1424 id=1424 data-nosnippet>1424</a> node.original_file_range_rooted(<span class="self">self</span>.db) |
| <a href=#1425 id=1425 data-nosnippet>1425</a> } |
| <a href=#1426 id=1426 data-nosnippet>1426</a> |
| <a href=#1427 id=1427 data-nosnippet>1427</a> <span class="doccomment">/// Attempts to map the node out of macro expanded files returning the original file range. |
| <a href=#1428 id=1428 data-nosnippet>1428</a> </span><span class="kw">pub fn </span>original_range_opt(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><FileRange> { |
| <a href=#1429 id=1429 data-nosnippet>1429</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(node); |
| <a href=#1430 id=1430 data-nosnippet>1430</a> node.original_file_range_opt(<span class="self">self</span>.db).filter(|(<span class="kw">_</span>, ctx)| ctx.is_root()).map(TupleExt::head) |
| <a href=#1431 id=1431 data-nosnippet>1431</a> } |
| <a href=#1432 id=1432 data-nosnippet>1432</a> |
| <a href=#1433 id=1433 data-nosnippet>1433</a> <span class="doccomment">/// Attempts to map the node out of macro expanded files. |
| <a href=#1434 id=1434 data-nosnippet>1434</a> /// This only work for attribute expansions, as other ones do not have nodes as input. |
| <a href=#1435 id=1435 data-nosnippet>1435</a> </span><span class="kw">pub fn </span>original_ast_node<N: AstNode>(<span class="kw-2">&</span><span class="self">self</span>, node: N) -> <span class="prelude-ty">Option</span><N> { |
| <a href=#1436 id=1436 data-nosnippet>1436</a> <span class="self">self</span>.wrap_node_infile(node).original_ast_node_rooted(<span class="self">self</span>.db).map( |
| <a href=#1437 id=1437 data-nosnippet>1437</a> |InRealFile { file_id, value }| { |
| <a href=#1438 id=1438 data-nosnippet>1438</a> <span class="self">self</span>.cache(find_root(value.syntax()), file_id.into()); |
| <a href=#1439 id=1439 data-nosnippet>1439</a> value |
| <a href=#1440 id=1440 data-nosnippet>1440</a> }, |
| <a href=#1441 id=1441 data-nosnippet>1441</a> ) |
| <a href=#1442 id=1442 data-nosnippet>1442</a> } |
| <a href=#1443 id=1443 data-nosnippet>1443</a> |
| <a href=#1444 id=1444 data-nosnippet>1444</a> <span class="doccomment">/// Attempts to map the node out of macro expanded files. |
| <a href=#1445 id=1445 data-nosnippet>1445</a> /// This only work for attribute expansions, as other ones do not have nodes as input. |
| <a href=#1446 id=1446 data-nosnippet>1446</a> </span><span class="kw">pub fn </span>original_syntax_node_rooted(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><SyntaxNode> { |
| <a href=#1447 id=1447 data-nosnippet>1447</a> <span class="kw">let </span>InFile { file_id, .. } = <span class="self">self</span>.find_file(node); |
| <a href=#1448 id=1448 data-nosnippet>1448</a> InFile::new(file_id, node).original_syntax_node_rooted(<span class="self">self</span>.db).map( |
| <a href=#1449 id=1449 data-nosnippet>1449</a> |InRealFile { file_id, value }| { |
| <a href=#1450 id=1450 data-nosnippet>1450</a> <span class="self">self</span>.cache(find_root(<span class="kw-2">&</span>value), file_id.into()); |
| <a href=#1451 id=1451 data-nosnippet>1451</a> value |
| <a href=#1452 id=1452 data-nosnippet>1452</a> }, |
| <a href=#1453 id=1453 data-nosnippet>1453</a> ) |
| <a href=#1454 id=1454 data-nosnippet>1454</a> } |
| <a href=#1455 id=1455 data-nosnippet>1455</a> |
| <a href=#1456 id=1456 data-nosnippet>1456</a> <span class="kw">pub fn </span>diagnostics_display_range( |
| <a href=#1457 id=1457 data-nosnippet>1457</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1458 id=1458 data-nosnippet>1458</a> src: InFile<SyntaxNodePtr>, |
| <a href=#1459 id=1459 data-nosnippet>1459</a> ) -> FileRangeWrapper<FileId> { |
| <a href=#1460 id=1460 data-nosnippet>1460</a> <span class="kw">let </span>root = <span class="self">self</span>.parse_or_expand(src.file_id); |
| <a href=#1461 id=1461 data-nosnippet>1461</a> <span class="kw">let </span>node = src.map(|it| it.to_node(<span class="kw-2">&</span>root)); |
| <a href=#1462 id=1462 data-nosnippet>1462</a> <span class="kw">let </span>FileRange { file_id, range } = node.as_ref().original_file_range_rooted(<span class="self">self</span>.db); |
| <a href=#1463 id=1463 data-nosnippet>1463</a> FileRangeWrapper { file_id: file_id.file_id(<span class="self">self</span>.db), range } |
| <a href=#1464 id=1464 data-nosnippet>1464</a> } |
| <a href=#1465 id=1465 data-nosnippet>1465</a> |
| <a href=#1466 id=1466 data-nosnippet>1466</a> <span class="kw">fn </span>token_ancestors_with_macros( |
| <a href=#1467 id=1467 data-nosnippet>1467</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1468 id=1468 data-nosnippet>1468</a> token: SyntaxToken, |
| <a href=#1469 id=1469 data-nosnippet>1469</a> ) -> <span class="kw">impl </span>Iterator<Item = SyntaxNode> + Clone + <span class="lifetime">'_ </span>{ |
| <a href=#1470 id=1470 data-nosnippet>1470</a> token.parent().into_iter().flat_map(<span class="kw">move </span>|parent| <span class="self">self</span>.ancestors_with_macros(parent)) |
| <a href=#1471 id=1471 data-nosnippet>1471</a> } |
| <a href=#1472 id=1472 data-nosnippet>1472</a> |
| <a href=#1473 id=1473 data-nosnippet>1473</a> <span class="doccomment">/// Iterates the ancestors of the given node, climbing up macro expansions while doing so. |
| <a href=#1474 id=1474 data-nosnippet>1474</a> </span><span class="comment">// FIXME: Replace with `ancestors_with_macros_file` when all usages are updated. |
| <a href=#1475 id=1475 data-nosnippet>1475</a> </span><span class="kw">pub fn </span>ancestors_with_macros( |
| <a href=#1476 id=1476 data-nosnippet>1476</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1477 id=1477 data-nosnippet>1477</a> node: SyntaxNode, |
| <a href=#1478 id=1478 data-nosnippet>1478</a> ) -> <span class="kw">impl </span>Iterator<Item = SyntaxNode> + Clone + <span class="lifetime">'_ </span>{ |
| <a href=#1479 id=1479 data-nosnippet>1479</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(<span class="kw-2">&</span>node); |
| <a href=#1480 id=1480 data-nosnippet>1480</a> <span class="self">self</span>.ancestors_with_macros_file(node.cloned()).map(|it| it.value) |
| <a href=#1481 id=1481 data-nosnippet>1481</a> } |
| <a href=#1482 id=1482 data-nosnippet>1482</a> |
| <a href=#1483 id=1483 data-nosnippet>1483</a> <span class="doccomment">/// Iterates the ancestors of the given node, climbing up macro expansions while doing so. |
| <a href=#1484 id=1484 data-nosnippet>1484</a> </span><span class="kw">pub fn </span>ancestors_with_macros_file( |
| <a href=#1485 id=1485 data-nosnippet>1485</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1486 id=1486 data-nosnippet>1486</a> node: InFile<SyntaxNode>, |
| <a href=#1487 id=1487 data-nosnippet>1487</a> ) -> <span class="kw">impl </span>Iterator<Item = InFile<SyntaxNode>> + Clone + <span class="lifetime">'_ </span>{ |
| <a href=#1488 id=1488 data-nosnippet>1488</a> iter::successors(<span class="prelude-val">Some</span>(node), <span class="kw">move </span>|<span class="kw-2">&</span>InFile { file_id, <span class="kw-2">ref </span>value }| <span class="kw">match </span>value.parent() { |
| <a href=#1489 id=1489 data-nosnippet>1489</a> <span class="prelude-val">Some</span>(parent) => <span class="prelude-val">Some</span>(InFile::new(file_id, parent)), |
| <a href=#1490 id=1490 data-nosnippet>1490</a> <span class="prelude-val">None </span>=> { |
| <a href=#1491 id=1491 data-nosnippet>1491</a> <span class="kw">let </span>macro_file = file_id.macro_file()<span class="question-mark">?</span>; |
| <a href=#1492 id=1492 data-nosnippet>1492</a> |
| <a href=#1493 id=1493 data-nosnippet>1493</a> <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1494 id=1494 data-nosnippet>1494</a> <span class="kw">let </span>expansion_info = ctx.cache.get_or_insert_expansion(ctx.db, macro_file); |
| <a href=#1495 id=1495 data-nosnippet>1495</a> expansion_info.arg().map(|node| node<span class="question-mark">?</span>.parent()).transpose() |
| <a href=#1496 id=1496 data-nosnippet>1496</a> }) |
| <a href=#1497 id=1497 data-nosnippet>1497</a> } |
| <a href=#1498 id=1498 data-nosnippet>1498</a> }) |
| <a href=#1499 id=1499 data-nosnippet>1499</a> } |
| <a href=#1500 id=1500 data-nosnippet>1500</a> |
| <a href=#1501 id=1501 data-nosnippet>1501</a> <span class="kw">pub fn </span>ancestors_at_offset_with_macros( |
| <a href=#1502 id=1502 data-nosnippet>1502</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1503 id=1503 data-nosnippet>1503</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#1504 id=1504 data-nosnippet>1504</a> offset: TextSize, |
| <a href=#1505 id=1505 data-nosnippet>1505</a> ) -> <span class="kw">impl </span>Iterator<Item = SyntaxNode> + <span class="lifetime">'_ </span>{ |
| <a href=#1506 id=1506 data-nosnippet>1506</a> node.token_at_offset(offset) |
| <a href=#1507 id=1507 data-nosnippet>1507</a> .map(|token| <span class="self">self</span>.token_ancestors_with_macros(token)) |
| <a href=#1508 id=1508 data-nosnippet>1508</a> .kmerge_by(|node1, node2| node1.text_range().len() < node2.text_range().len()) |
| <a href=#1509 id=1509 data-nosnippet>1509</a> } |
| <a href=#1510 id=1510 data-nosnippet>1510</a> |
| <a href=#1511 id=1511 data-nosnippet>1511</a> <span class="kw">pub fn </span>resolve_lifetime_param(<span class="kw-2">&</span><span class="self">self</span>, lifetime: <span class="kw-2">&</span>ast::Lifetime) -> <span class="prelude-ty">Option</span><LifetimeParam> { |
| <a href=#1512 id=1512 data-nosnippet>1512</a> <span class="kw">let </span>text = lifetime.text(); |
| <a href=#1513 id=1513 data-nosnippet>1513</a> <span class="kw">let </span>lifetime_param = lifetime.syntax().ancestors().find_map(|syn| { |
| <a href=#1514 id=1514 data-nosnippet>1514</a> <span class="kw">let </span>gpl = ast::AnyHasGenericParams::cast(syn)<span class="question-mark">?</span>.generic_param_list()<span class="question-mark">?</span>; |
| <a href=#1515 id=1515 data-nosnippet>1515</a> gpl.lifetime_params() |
| <a href=#1516 id=1516 data-nosnippet>1516</a> .find(|tp| tp.lifetime().as_ref().map(|lt| lt.text()).as_ref() == <span class="prelude-val">Some</span>(<span class="kw-2">&</span>text)) |
| <a href=#1517 id=1517 data-nosnippet>1517</a> })<span class="question-mark">?</span>; |
| <a href=#1518 id=1518 data-nosnippet>1518</a> <span class="kw">let </span>src = <span class="self">self</span>.wrap_node_infile(lifetime_param); |
| <a href=#1519 id=1519 data-nosnippet>1519</a> ToDef::to_def(<span class="self">self</span>, src.as_ref()) |
| <a href=#1520 id=1520 data-nosnippet>1520</a> } |
| <a href=#1521 id=1521 data-nosnippet>1521</a> |
| <a href=#1522 id=1522 data-nosnippet>1522</a> <span class="kw">pub fn </span>resolve_label(<span class="kw-2">&</span><span class="self">self</span>, label: <span class="kw-2">&</span>ast::Lifetime) -> <span class="prelude-ty">Option</span><Label> { |
| <a href=#1523 id=1523 data-nosnippet>1523</a> <span class="kw">let </span>src = <span class="self">self</span>.wrap_node_infile(label.clone()); |
| <a href=#1524 id=1524 data-nosnippet>1524</a> <span class="kw">let </span>(parent, label_id) = <span class="self">self</span>.with_ctx(|ctx| ctx.label_ref_to_def(src.as_ref()))<span class="question-mark">?</span>; |
| <a href=#1525 id=1525 data-nosnippet>1525</a> <span class="prelude-val">Some</span>(Label { parent, label_id }) |
| <a href=#1526 id=1526 data-nosnippet>1526</a> } |
| <a href=#1527 id=1527 data-nosnippet>1527</a> |
| <a href=#1528 id=1528 data-nosnippet>1528</a> <span class="kw">pub fn </span>resolve_type(<span class="kw-2">&</span><span class="self">self</span>, ty: <span class="kw-2">&</span>ast::Type) -> <span class="prelude-ty">Option</span><Type<<span class="lifetime">'db</span>>> { |
| <a href=#1529 id=1529 data-nosnippet>1529</a> <span class="kw">let </span>analyze = <span class="self">self</span>.analyze(ty.syntax())<span class="question-mark">?</span>; |
| <a href=#1530 id=1530 data-nosnippet>1530</a> analyze.type_of_type(<span class="self">self</span>.db, ty) |
| <a href=#1531 id=1531 data-nosnippet>1531</a> } |
| <a href=#1532 id=1532 data-nosnippet>1532</a> |
| <a href=#1533 id=1533 data-nosnippet>1533</a> <span class="kw">pub fn </span>resolve_trait(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><Trait> { |
| <a href=#1534 id=1534 data-nosnippet>1534</a> <span class="kw">let </span>parent_ty = path.syntax().parent().and_then(ast::Type::cast)<span class="question-mark">?</span>; |
| <a href=#1535 id=1535 data-nosnippet>1535</a> <span class="kw">let </span>analyze = <span class="self">self</span>.analyze(path.syntax())<span class="question-mark">?</span>; |
| <a href=#1536 id=1536 data-nosnippet>1536</a> <span class="kw">let </span>ty = analyze.store_sm()<span class="question-mark">?</span>.node_type(InFile::new(analyze.file_id, <span class="kw-2">&</span>parent_ty))<span class="question-mark">?</span>; |
| <a href=#1537 id=1537 data-nosnippet>1537</a> <span class="kw">let </span>path = <span class="kw">match </span><span class="kw-2">&</span>analyze.store()<span class="question-mark">?</span>.types[ty] { |
| <a href=#1538 id=1538 data-nosnippet>1538</a> hir_def::type_ref::TypeRef::Path(path) => path, |
| <a href=#1539 id=1539 data-nosnippet>1539</a> <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">None</span>, |
| <a href=#1540 id=1540 data-nosnippet>1540</a> }; |
| <a href=#1541 id=1541 data-nosnippet>1541</a> <span class="kw">match </span>analyze.resolver.resolve_path_in_type_ns_fully(<span class="self">self</span>.db, path)<span class="question-mark">? </span>{ |
| <a href=#1542 id=1542 data-nosnippet>1542</a> TypeNs::TraitId(trait_id) => <span class="prelude-val">Some</span>(trait_id.into()), |
| <a href=#1543 id=1543 data-nosnippet>1543</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#1544 id=1544 data-nosnippet>1544</a> } |
| <a href=#1545 id=1545 data-nosnippet>1545</a> } |
| <a href=#1546 id=1546 data-nosnippet>1546</a> |
| <a href=#1547 id=1547 data-nosnippet>1547</a> <span class="kw">pub fn </span>expr_adjustments(<span class="kw-2">&</span><span class="self">self</span>, expr: <span class="kw-2">&</span>ast::Expr) -> <span class="prelude-ty">Option</span><Vec<Adjustment<<span class="lifetime">'db</span>>>> { |
| <a href=#1548 id=1548 data-nosnippet>1548</a> <span class="kw">let </span>mutability = |m| <span class="kw">match </span>m { |
| <a href=#1549 id=1549 data-nosnippet>1549</a> hir_ty::Mutability::Not => Mutability::Shared, |
| <a href=#1550 id=1550 data-nosnippet>1550</a> hir_ty::Mutability::Mut => Mutability::Mut, |
| <a href=#1551 id=1551 data-nosnippet>1551</a> }; |
| <a href=#1552 id=1552 data-nosnippet>1552</a> |
| <a href=#1553 id=1553 data-nosnippet>1553</a> <span class="kw">let </span>analyzer = <span class="self">self</span>.analyze(expr.syntax())<span class="question-mark">?</span>; |
| <a href=#1554 id=1554 data-nosnippet>1554</a> |
| <a href=#1555 id=1555 data-nosnippet>1555</a> <span class="kw">let </span>(<span class="kw-2">mut </span>source_ty, <span class="kw">_</span>) = analyzer.type_of_expr(<span class="self">self</span>.db, expr)<span class="question-mark">?</span>; |
| <a href=#1556 id=1556 data-nosnippet>1556</a> |
| <a href=#1557 id=1557 data-nosnippet>1557</a> analyzer.expr_adjustments(expr).map(|it| { |
| <a href=#1558 id=1558 data-nosnippet>1558</a> it.iter() |
| <a href=#1559 id=1559 data-nosnippet>1559</a> .map(|adjust| { |
| <a href=#1560 id=1560 data-nosnippet>1560</a> <span class="kw">let </span>target = |
| <a href=#1561 id=1561 data-nosnippet>1561</a> Type::new_with_resolver(<span class="self">self</span>.db, <span class="kw-2">&</span>analyzer.resolver, adjust.target.clone()); |
| <a href=#1562 id=1562 data-nosnippet>1562</a> <span class="kw">let </span>kind = <span class="kw">match </span>adjust.kind { |
| <a href=#1563 id=1563 data-nosnippet>1563</a> hir_ty::Adjust::NeverToAny => Adjust::NeverToAny, |
| <a href=#1564 id=1564 data-nosnippet>1564</a> hir_ty::Adjust::Deref(<span class="prelude-val">Some</span>(hir_ty::OverloadedDeref(m))) => { |
| <a href=#1565 id=1565 data-nosnippet>1565</a> <span class="comment">// FIXME: Should we handle unknown mutability better? |
| <a href=#1566 id=1566 data-nosnippet>1566</a> </span>Adjust::Deref(<span class="prelude-val">Some</span>(OverloadedDeref( |
| <a href=#1567 id=1567 data-nosnippet>1567</a> m.map(mutability).unwrap_or(Mutability::Shared), |
| <a href=#1568 id=1568 data-nosnippet>1568</a> ))) |
| <a href=#1569 id=1569 data-nosnippet>1569</a> } |
| <a href=#1570 id=1570 data-nosnippet>1570</a> hir_ty::Adjust::Deref(<span class="prelude-val">None</span>) => Adjust::Deref(<span class="prelude-val">None</span>), |
| <a href=#1571 id=1571 data-nosnippet>1571</a> hir_ty::Adjust::Borrow(hir_ty::AutoBorrow::RawPtr(m)) => { |
| <a href=#1572 id=1572 data-nosnippet>1572</a> Adjust::Borrow(AutoBorrow::RawPtr(mutability(m))) |
| <a href=#1573 id=1573 data-nosnippet>1573</a> } |
| <a href=#1574 id=1574 data-nosnippet>1574</a> hir_ty::Adjust::Borrow(hir_ty::AutoBorrow::Ref(<span class="kw">_</span>, m)) => { |
| <a href=#1575 id=1575 data-nosnippet>1575</a> <span class="comment">// FIXME: Handle lifetimes here |
| <a href=#1576 id=1576 data-nosnippet>1576</a> </span>Adjust::Borrow(AutoBorrow::Ref(mutability(m))) |
| <a href=#1577 id=1577 data-nosnippet>1577</a> } |
| <a href=#1578 id=1578 data-nosnippet>1578</a> hir_ty::Adjust::Pointer(pc) => Adjust::Pointer(pc), |
| <a href=#1579 id=1579 data-nosnippet>1579</a> }; |
| <a href=#1580 id=1580 data-nosnippet>1580</a> |
| <a href=#1581 id=1581 data-nosnippet>1581</a> <span class="comment">// Update `source_ty` for the next adjustment |
| <a href=#1582 id=1582 data-nosnippet>1582</a> </span><span class="kw">let </span>source = mem::replace(<span class="kw-2">&mut </span>source_ty, target.clone()); |
| <a href=#1583 id=1583 data-nosnippet>1583</a> |
| <a href=#1584 id=1584 data-nosnippet>1584</a> Adjustment { source, target, kind } |
| <a href=#1585 id=1585 data-nosnippet>1585</a> }) |
| <a href=#1586 id=1586 data-nosnippet>1586</a> .collect() |
| <a href=#1587 id=1587 data-nosnippet>1587</a> }) |
| <a href=#1588 id=1588 data-nosnippet>1588</a> } |
| <a href=#1589 id=1589 data-nosnippet>1589</a> |
| <a href=#1590 id=1590 data-nosnippet>1590</a> <span class="kw">pub fn </span>type_of_expr(<span class="kw-2">&</span><span class="self">self</span>, expr: <span class="kw-2">&</span>ast::Expr) -> <span class="prelude-ty">Option</span><TypeInfo<<span class="lifetime">'db</span>>> { |
| <a href=#1591 id=1591 data-nosnippet>1591</a> <span class="self">self</span>.analyze(expr.syntax())<span class="question-mark">? |
| <a href=#1592 id=1592 data-nosnippet>1592</a> </span>.type_of_expr(<span class="self">self</span>.db, expr) |
| <a href=#1593 id=1593 data-nosnippet>1593</a> .map(|(ty, coerced)| TypeInfo { original: ty, adjusted: coerced }) |
| <a href=#1594 id=1594 data-nosnippet>1594</a> } |
| <a href=#1595 id=1595 data-nosnippet>1595</a> |
| <a href=#1596 id=1596 data-nosnippet>1596</a> <span class="kw">pub fn </span>type_of_pat(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="kw-2">&</span>ast::Pat) -> <span class="prelude-ty">Option</span><TypeInfo<<span class="lifetime">'db</span>>> { |
| <a href=#1597 id=1597 data-nosnippet>1597</a> <span class="self">self</span>.analyze(pat.syntax())<span class="question-mark">? |
| <a href=#1598 id=1598 data-nosnippet>1598</a> </span>.type_of_pat(<span class="self">self</span>.db, pat) |
| <a href=#1599 id=1599 data-nosnippet>1599</a> .map(|(ty, coerced)| TypeInfo { original: ty, adjusted: coerced }) |
| <a href=#1600 id=1600 data-nosnippet>1600</a> } |
| <a href=#1601 id=1601 data-nosnippet>1601</a> |
| <a href=#1602 id=1602 data-nosnippet>1602</a> <span class="doccomment">/// It also includes the changes that binding mode makes in the type. For example in |
| <a href=#1603 id=1603 data-nosnippet>1603</a> /// `let ref x @ Some(_) = None` the result of `type_of_pat` is `Option<T>` but the result |
| <a href=#1604 id=1604 data-nosnippet>1604</a> /// of this function is `&mut Option<T>` |
| <a href=#1605 id=1605 data-nosnippet>1605</a> </span><span class="kw">pub fn </span>type_of_binding_in_pat(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="kw-2">&</span>ast::IdentPat) -> <span class="prelude-ty">Option</span><Type<<span class="lifetime">'db</span>>> { |
| <a href=#1606 id=1606 data-nosnippet>1606</a> <span class="self">self</span>.analyze(pat.syntax())<span class="question-mark">?</span>.type_of_binding_in_pat(<span class="self">self</span>.db, pat) |
| <a href=#1607 id=1607 data-nosnippet>1607</a> } |
| <a href=#1608 id=1608 data-nosnippet>1608</a> |
| <a href=#1609 id=1609 data-nosnippet>1609</a> <span class="kw">pub fn </span>type_of_self(<span class="kw-2">&</span><span class="self">self</span>, param: <span class="kw-2">&</span>ast::SelfParam) -> <span class="prelude-ty">Option</span><Type<<span class="lifetime">'db</span>>> { |
| <a href=#1610 id=1610 data-nosnippet>1610</a> <span class="self">self</span>.analyze(param.syntax())<span class="question-mark">?</span>.type_of_self(<span class="self">self</span>.db, param) |
| <a href=#1611 id=1611 data-nosnippet>1611</a> } |
| <a href=#1612 id=1612 data-nosnippet>1612</a> |
| <a href=#1613 id=1613 data-nosnippet>1613</a> <span class="kw">pub fn </span>pattern_adjustments(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="kw-2">&</span>ast::Pat) -> SmallVec<[Type<<span class="lifetime">'db</span>>; <span class="number">1</span>]> { |
| <a href=#1614 id=1614 data-nosnippet>1614</a> <span class="self">self</span>.analyze(pat.syntax()) |
| <a href=#1615 id=1615 data-nosnippet>1615</a> .and_then(|it| it.pattern_adjustments(<span class="self">self</span>.db, pat)) |
| <a href=#1616 id=1616 data-nosnippet>1616</a> .unwrap_or_default() |
| <a href=#1617 id=1617 data-nosnippet>1617</a> } |
| <a href=#1618 id=1618 data-nosnippet>1618</a> |
| <a href=#1619 id=1619 data-nosnippet>1619</a> <span class="kw">pub fn </span>binding_mode_of_pat(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="kw-2">&</span>ast::IdentPat) -> <span class="prelude-ty">Option</span><BindingMode> { |
| <a href=#1620 id=1620 data-nosnippet>1620</a> <span class="self">self</span>.analyze(pat.syntax())<span class="question-mark">?</span>.binding_mode_of_pat(<span class="self">self</span>.db, pat) |
| <a href=#1621 id=1621 data-nosnippet>1621</a> } |
| <a href=#1622 id=1622 data-nosnippet>1622</a> |
| <a href=#1623 id=1623 data-nosnippet>1623</a> <span class="kw">pub fn </span>resolve_expr_as_callable(<span class="kw-2">&</span><span class="self">self</span>, call: <span class="kw-2">&</span>ast::Expr) -> <span class="prelude-ty">Option</span><Callable<<span class="lifetime">'db</span>>> { |
| <a href=#1624 id=1624 data-nosnippet>1624</a> <span class="self">self</span>.analyze(call.syntax())<span class="question-mark">?</span>.resolve_expr_as_callable(<span class="self">self</span>.db, call) |
| <a href=#1625 id=1625 data-nosnippet>1625</a> } |
| <a href=#1626 id=1626 data-nosnippet>1626</a> |
| <a href=#1627 id=1627 data-nosnippet>1627</a> <span class="kw">pub fn </span>resolve_method_call(<span class="kw-2">&</span><span class="self">self</span>, call: <span class="kw-2">&</span>ast::MethodCallExpr) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#1628 id=1628 data-nosnippet>1628</a> <span class="self">self</span>.analyze(call.syntax())<span class="question-mark">?</span>.resolve_method_call(<span class="self">self</span>.db, call) |
| <a href=#1629 id=1629 data-nosnippet>1629</a> } |
| <a href=#1630 id=1630 data-nosnippet>1630</a> |
| <a href=#1631 id=1631 data-nosnippet>1631</a> <span class="doccomment">/// Attempts to resolve this call expression as a method call falling back to resolving it as a field. |
| <a href=#1632 id=1632 data-nosnippet>1632</a> </span><span class="kw">pub fn </span>resolve_method_call_fallback( |
| <a href=#1633 id=1633 data-nosnippet>1633</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1634 id=1634 data-nosnippet>1634</a> call: <span class="kw-2">&</span>ast::MethodCallExpr, |
| <a href=#1635 id=1635 data-nosnippet>1635</a> ) -> <span class="prelude-ty">Option</span><(Either<Function, Field>, <span class="prelude-ty">Option</span><GenericSubstitution<<span class="lifetime">'db</span>>>)> { |
| <a href=#1636 id=1636 data-nosnippet>1636</a> <span class="self">self</span>.analyze(call.syntax())<span class="question-mark">?</span>.resolve_method_call_fallback(<span class="self">self</span>.db, call) |
| <a href=#1637 id=1637 data-nosnippet>1637</a> } |
| <a href=#1638 id=1638 data-nosnippet>1638</a> |
| <a href=#1639 id=1639 data-nosnippet>1639</a> <span class="doccomment">/// Env is used to derive the trait environment |
| <a href=#1640 id=1640 data-nosnippet>1640</a> </span><span class="comment">// FIXME: better api for the trait environment |
| <a href=#1641 id=1641 data-nosnippet>1641</a> </span><span class="kw">pub fn </span>resolve_trait_impl_method( |
| <a href=#1642 id=1642 data-nosnippet>1642</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1643 id=1643 data-nosnippet>1643</a> env: Type<<span class="lifetime">'db</span>>, |
| <a href=#1644 id=1644 data-nosnippet>1644</a> trait_: Trait, |
| <a href=#1645 id=1645 data-nosnippet>1645</a> func: Function, |
| <a href=#1646 id=1646 data-nosnippet>1646</a> subst: <span class="kw">impl </span>IntoIterator<Item = Type<<span class="lifetime">'db</span>>>, |
| <a href=#1647 id=1647 data-nosnippet>1647</a> ) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#1648 id=1648 data-nosnippet>1648</a> <span class="kw">let </span><span class="kw-2">mut </span>substs = hir_ty::TyBuilder::subst_for_def(<span class="self">self</span>.db, TraitId::from(trait_), <span class="prelude-val">None</span>); |
| <a href=#1649 id=1649 data-nosnippet>1649</a> <span class="kw">for </span>s <span class="kw">in </span>subst { |
| <a href=#1650 id=1650 data-nosnippet>1650</a> substs = substs.push(s.ty); |
| <a href=#1651 id=1651 data-nosnippet>1651</a> } |
| <a href=#1652 id=1652 data-nosnippet>1652</a> <span class="prelude-val">Some</span>(<span class="self">self</span>.db.lookup_impl_method(env.env, func.into(), substs.build()).<span class="number">0</span>.into()) |
| <a href=#1653 id=1653 data-nosnippet>1653</a> } |
| <a href=#1654 id=1654 data-nosnippet>1654</a> |
| <a href=#1655 id=1655 data-nosnippet>1655</a> <span class="kw">fn </span>resolve_range_pat(<span class="kw-2">&</span><span class="self">self</span>, range_pat: <span class="kw-2">&</span>ast::RangePat) -> <span class="prelude-ty">Option</span><StructId> { |
| <a href=#1656 id=1656 data-nosnippet>1656</a> <span class="self">self</span>.analyze(range_pat.syntax())<span class="question-mark">?</span>.resolve_range_pat(<span class="self">self</span>.db, range_pat) |
| <a href=#1657 id=1657 data-nosnippet>1657</a> } |
| <a href=#1658 id=1658 data-nosnippet>1658</a> |
| <a href=#1659 id=1659 data-nosnippet>1659</a> <span class="kw">fn </span>resolve_range_expr(<span class="kw-2">&</span><span class="self">self</span>, range_expr: <span class="kw-2">&</span>ast::RangeExpr) -> <span class="prelude-ty">Option</span><StructId> { |
| <a href=#1660 id=1660 data-nosnippet>1660</a> <span class="self">self</span>.analyze(range_expr.syntax())<span class="question-mark">?</span>.resolve_range_expr(<span class="self">self</span>.db, range_expr) |
| <a href=#1661 id=1661 data-nosnippet>1661</a> } |
| <a href=#1662 id=1662 data-nosnippet>1662</a> |
| <a href=#1663 id=1663 data-nosnippet>1663</a> <span class="kw">fn </span>resolve_await_to_poll(<span class="kw-2">&</span><span class="self">self</span>, await_expr: <span class="kw-2">&</span>ast::AwaitExpr) -> <span class="prelude-ty">Option</span><FunctionId> { |
| <a href=#1664 id=1664 data-nosnippet>1664</a> <span class="self">self</span>.analyze(await_expr.syntax())<span class="question-mark">?</span>.resolve_await_to_poll(<span class="self">self</span>.db, await_expr) |
| <a href=#1665 id=1665 data-nosnippet>1665</a> } |
| <a href=#1666 id=1666 data-nosnippet>1666</a> |
| <a href=#1667 id=1667 data-nosnippet>1667</a> <span class="kw">fn </span>resolve_prefix_expr(<span class="kw-2">&</span><span class="self">self</span>, prefix_expr: <span class="kw-2">&</span>ast::PrefixExpr) -> <span class="prelude-ty">Option</span><FunctionId> { |
| <a href=#1668 id=1668 data-nosnippet>1668</a> <span class="self">self</span>.analyze(prefix_expr.syntax())<span class="question-mark">?</span>.resolve_prefix_expr(<span class="self">self</span>.db, prefix_expr) |
| <a href=#1669 id=1669 data-nosnippet>1669</a> } |
| <a href=#1670 id=1670 data-nosnippet>1670</a> |
| <a href=#1671 id=1671 data-nosnippet>1671</a> <span class="kw">fn </span>resolve_index_expr(<span class="kw-2">&</span><span class="self">self</span>, index_expr: <span class="kw-2">&</span>ast::IndexExpr) -> <span class="prelude-ty">Option</span><FunctionId> { |
| <a href=#1672 id=1672 data-nosnippet>1672</a> <span class="self">self</span>.analyze(index_expr.syntax())<span class="question-mark">?</span>.resolve_index_expr(<span class="self">self</span>.db, index_expr) |
| <a href=#1673 id=1673 data-nosnippet>1673</a> } |
| <a href=#1674 id=1674 data-nosnippet>1674</a> |
| <a href=#1675 id=1675 data-nosnippet>1675</a> <span class="kw">fn </span>resolve_bin_expr(<span class="kw-2">&</span><span class="self">self</span>, bin_expr: <span class="kw-2">&</span>ast::BinExpr) -> <span class="prelude-ty">Option</span><FunctionId> { |
| <a href=#1676 id=1676 data-nosnippet>1676</a> <span class="self">self</span>.analyze(bin_expr.syntax())<span class="question-mark">?</span>.resolve_bin_expr(<span class="self">self</span>.db, bin_expr) |
| <a href=#1677 id=1677 data-nosnippet>1677</a> } |
| <a href=#1678 id=1678 data-nosnippet>1678</a> |
| <a href=#1679 id=1679 data-nosnippet>1679</a> <span class="kw">fn </span>resolve_try_expr(<span class="kw-2">&</span><span class="self">self</span>, try_expr: <span class="kw-2">&</span>ast::TryExpr) -> <span class="prelude-ty">Option</span><FunctionId> { |
| <a href=#1680 id=1680 data-nosnippet>1680</a> <span class="self">self</span>.analyze(try_expr.syntax())<span class="question-mark">?</span>.resolve_try_expr(<span class="self">self</span>.db, try_expr) |
| <a href=#1681 id=1681 data-nosnippet>1681</a> } |
| <a href=#1682 id=1682 data-nosnippet>1682</a> |
| <a href=#1683 id=1683 data-nosnippet>1683</a> <span class="comment">// This does not resolve the method call to the correct trait impl! |
| <a href=#1684 id=1684 data-nosnippet>1684</a> // We should probably fix that. |
| <a href=#1685 id=1685 data-nosnippet>1685</a> </span><span class="kw">pub fn </span>resolve_method_call_as_callable( |
| <a href=#1686 id=1686 data-nosnippet>1686</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1687 id=1687 data-nosnippet>1687</a> call: <span class="kw-2">&</span>ast::MethodCallExpr, |
| <a href=#1688 id=1688 data-nosnippet>1688</a> ) -> <span class="prelude-ty">Option</span><Callable<<span class="lifetime">'db</span>>> { |
| <a href=#1689 id=1689 data-nosnippet>1689</a> <span class="self">self</span>.analyze(call.syntax())<span class="question-mark">?</span>.resolve_method_call_as_callable(<span class="self">self</span>.db, call) |
| <a href=#1690 id=1690 data-nosnippet>1690</a> } |
| <a href=#1691 id=1691 data-nosnippet>1691</a> |
| <a href=#1692 id=1692 data-nosnippet>1692</a> <span class="kw">pub fn </span>resolve_field(<span class="kw-2">&</span><span class="self">self</span>, field: <span class="kw-2">&</span>ast::FieldExpr) -> <span class="prelude-ty">Option</span><Either<Field, TupleField>> { |
| <a href=#1693 id=1693 data-nosnippet>1693</a> <span class="self">self</span>.analyze(field.syntax())<span class="question-mark">?</span>.resolve_field(field) |
| <a href=#1694 id=1694 data-nosnippet>1694</a> } |
| <a href=#1695 id=1695 data-nosnippet>1695</a> |
| <a href=#1696 id=1696 data-nosnippet>1696</a> <span class="kw">pub fn </span>resolve_field_fallback( |
| <a href=#1697 id=1697 data-nosnippet>1697</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1698 id=1698 data-nosnippet>1698</a> field: <span class="kw-2">&</span>ast::FieldExpr, |
| <a href=#1699 id=1699 data-nosnippet>1699</a> ) -> <span class="prelude-ty">Option</span><(Either<Either<Field, TupleField>, Function>, <span class="prelude-ty">Option</span><GenericSubstitution<<span class="lifetime">'db</span>>>)> |
| <a href=#1700 id=1700 data-nosnippet>1700</a> { |
| <a href=#1701 id=1701 data-nosnippet>1701</a> <span class="self">self</span>.analyze(field.syntax())<span class="question-mark">?</span>.resolve_field_fallback(<span class="self">self</span>.db, field) |
| <a href=#1702 id=1702 data-nosnippet>1702</a> } |
| <a href=#1703 id=1703 data-nosnippet>1703</a> |
| <a href=#1704 id=1704 data-nosnippet>1704</a> <span class="kw">pub fn </span>resolve_record_field( |
| <a href=#1705 id=1705 data-nosnippet>1705</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1706 id=1706 data-nosnippet>1706</a> field: <span class="kw-2">&</span>ast::RecordExprField, |
| <a href=#1707 id=1707 data-nosnippet>1707</a> ) -> <span class="prelude-ty">Option</span><(Field, <span class="prelude-ty">Option</span><Local>, Type<<span class="lifetime">'db</span>>)> { |
| <a href=#1708 id=1708 data-nosnippet>1708</a> <span class="self">self</span>.resolve_record_field_with_substitution(field) |
| <a href=#1709 id=1709 data-nosnippet>1709</a> .map(|(field, local, ty, <span class="kw">_</span>)| (field, local, ty)) |
| <a href=#1710 id=1710 data-nosnippet>1710</a> } |
| <a href=#1711 id=1711 data-nosnippet>1711</a> |
| <a href=#1712 id=1712 data-nosnippet>1712</a> <span class="kw">pub fn </span>resolve_record_field_with_substitution( |
| <a href=#1713 id=1713 data-nosnippet>1713</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1714 id=1714 data-nosnippet>1714</a> field: <span class="kw-2">&</span>ast::RecordExprField, |
| <a href=#1715 id=1715 data-nosnippet>1715</a> ) -> <span class="prelude-ty">Option</span><(Field, <span class="prelude-ty">Option</span><Local>, Type<<span class="lifetime">'db</span>>, GenericSubstitution<<span class="lifetime">'db</span>>)> { |
| <a href=#1716 id=1716 data-nosnippet>1716</a> <span class="self">self</span>.analyze(field.syntax())<span class="question-mark">?</span>.resolve_record_field(<span class="self">self</span>.db, field) |
| <a href=#1717 id=1717 data-nosnippet>1717</a> } |
| <a href=#1718 id=1718 data-nosnippet>1718</a> |
| <a href=#1719 id=1719 data-nosnippet>1719</a> <span class="kw">pub fn </span>resolve_record_pat_field( |
| <a href=#1720 id=1720 data-nosnippet>1720</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1721 id=1721 data-nosnippet>1721</a> field: <span class="kw-2">&</span>ast::RecordPatField, |
| <a href=#1722 id=1722 data-nosnippet>1722</a> ) -> <span class="prelude-ty">Option</span><(Field, Type<<span class="lifetime">'db</span>>)> { |
| <a href=#1723 id=1723 data-nosnippet>1723</a> <span class="self">self</span>.resolve_record_pat_field_with_subst(field).map(|(field, ty, <span class="kw">_</span>)| (field, ty)) |
| <a href=#1724 id=1724 data-nosnippet>1724</a> } |
| <a href=#1725 id=1725 data-nosnippet>1725</a> |
| <a href=#1726 id=1726 data-nosnippet>1726</a> <span class="kw">pub fn </span>resolve_record_pat_field_with_subst( |
| <a href=#1727 id=1727 data-nosnippet>1727</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1728 id=1728 data-nosnippet>1728</a> field: <span class="kw-2">&</span>ast::RecordPatField, |
| <a href=#1729 id=1729 data-nosnippet>1729</a> ) -> <span class="prelude-ty">Option</span><(Field, Type<<span class="lifetime">'db</span>>, GenericSubstitution<<span class="lifetime">'db</span>>)> { |
| <a href=#1730 id=1730 data-nosnippet>1730</a> <span class="self">self</span>.analyze(field.syntax())<span class="question-mark">?</span>.resolve_record_pat_field(<span class="self">self</span>.db, field) |
| <a href=#1731 id=1731 data-nosnippet>1731</a> } |
| <a href=#1732 id=1732 data-nosnippet>1732</a> |
| <a href=#1733 id=1733 data-nosnippet>1733</a> <span class="comment">// FIXME: Replace this with `resolve_macro_call2` |
| <a href=#1734 id=1734 data-nosnippet>1734</a> </span><span class="kw">pub fn </span>resolve_macro_call(<span class="kw-2">&</span><span class="self">self</span>, macro_call: <span class="kw-2">&</span>ast::MacroCall) -> <span class="prelude-ty">Option</span><Macro> { |
| <a href=#1735 id=1735 data-nosnippet>1735</a> <span class="kw">let </span>macro_call = <span class="self">self</span>.find_file(macro_call.syntax()).with_value(macro_call); |
| <a href=#1736 id=1736 data-nosnippet>1736</a> <span class="self">self</span>.resolve_macro_call2(macro_call) |
| <a href=#1737 id=1737 data-nosnippet>1737</a> } |
| <a href=#1738 id=1738 data-nosnippet>1738</a> |
| <a href=#1739 id=1739 data-nosnippet>1739</a> <span class="kw">pub fn </span>resolve_macro_call2(<span class="kw-2">&</span><span class="self">self</span>, macro_call: InFile<<span class="kw-2">&</span>ast::MacroCall>) -> <span class="prelude-ty">Option</span><Macro> { |
| <a href=#1740 id=1740 data-nosnippet>1740</a> <span class="self">self</span>.to_def2(macro_call) |
| <a href=#1741 id=1741 data-nosnippet>1741</a> .and_then(|call| <span class="self">self</span>.with_ctx(|ctx| macro_call_to_macro_id(ctx, call))) |
| <a href=#1742 id=1742 data-nosnippet>1742</a> .map(Into::into) |
| <a href=#1743 id=1743 data-nosnippet>1743</a> } |
| <a href=#1744 id=1744 data-nosnippet>1744</a> |
| <a href=#1745 id=1745 data-nosnippet>1745</a> <span class="kw">pub fn </span>is_proc_macro_call(<span class="kw-2">&</span><span class="self">self</span>, macro_call: InFile<<span class="kw-2">&</span>ast::MacroCall>) -> bool { |
| <a href=#1746 id=1746 data-nosnippet>1746</a> <span class="self">self</span>.resolve_macro_call2(macro_call) |
| <a href=#1747 id=1747 data-nosnippet>1747</a> .is_some_and(|m| <span class="macro">matches!</span>(m.id, MacroId::ProcMacroId(..))) |
| <a href=#1748 id=1748 data-nosnippet>1748</a> } |
| <a href=#1749 id=1749 data-nosnippet>1749</a> |
| <a href=#1750 id=1750 data-nosnippet>1750</a> <span class="kw">pub fn </span>resolve_macro_call_arm(<span class="kw-2">&</span><span class="self">self</span>, macro_call: <span class="kw-2">&</span>ast::MacroCall) -> <span class="prelude-ty">Option</span><u32> { |
| <a href=#1751 id=1751 data-nosnippet>1751</a> <span class="kw">let </span>file_id = <span class="self">self</span>.to_def(macro_call)<span class="question-mark">?</span>; |
| <a href=#1752 id=1752 data-nosnippet>1752</a> <span class="self">self</span>.db.parse_macro_expansion(file_id).value.<span class="number">1</span>.matched_arm |
| <a href=#1753 id=1753 data-nosnippet>1753</a> } |
| <a href=#1754 id=1754 data-nosnippet>1754</a> |
| <a href=#1755 id=1755 data-nosnippet>1755</a> <span class="kw">pub fn </span>get_unsafe_ops(<span class="kw-2">&</span><span class="self">self</span>, def: DefWithBody) -> FxHashSet<ExprOrPatSource> { |
| <a href=#1756 id=1756 data-nosnippet>1756</a> <span class="kw">let </span>def = DefWithBodyId::from(def); |
| <a href=#1757 id=1757 data-nosnippet>1757</a> <span class="kw">let </span>(body, source_map) = <span class="self">self</span>.db.body_with_source_map(def); |
| <a href=#1758 id=1758 data-nosnippet>1758</a> <span class="kw">let </span>infer = <span class="self">self</span>.db.infer(def); |
| <a href=#1759 id=1759 data-nosnippet>1759</a> <span class="kw">let </span><span class="kw-2">mut </span>res = FxHashSet::default(); |
| <a href=#1760 id=1760 data-nosnippet>1760</a> unsafe_operations_for_body(<span class="self">self</span>.db, <span class="kw-2">&</span>infer, def, <span class="kw-2">&</span>body, <span class="kw-2">&mut </span>|node| { |
| <a href=#1761 id=1761 data-nosnippet>1761</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(node) = source_map.expr_or_pat_syntax(node) { |
| <a href=#1762 id=1762 data-nosnippet>1762</a> res.insert(node); |
| <a href=#1763 id=1763 data-nosnippet>1763</a> } |
| <a href=#1764 id=1764 data-nosnippet>1764</a> }); |
| <a href=#1765 id=1765 data-nosnippet>1765</a> res |
| <a href=#1766 id=1766 data-nosnippet>1766</a> } |
| <a href=#1767 id=1767 data-nosnippet>1767</a> |
| <a href=#1768 id=1768 data-nosnippet>1768</a> <span class="kw">pub fn </span>get_unsafe_ops_for_unsafe_block(<span class="kw-2">&</span><span class="self">self</span>, block: ast::BlockExpr) -> Vec<ExprOrPatSource> { |
| <a href=#1769 id=1769 data-nosnippet>1769</a> <span class="macro">always!</span>(block.unsafe_token().is_some()); |
| <a href=#1770 id=1770 data-nosnippet>1770</a> <span class="kw">let </span>block = <span class="self">self</span>.wrap_node_infile(ast::Expr::from(block)); |
| <a href=#1771 id=1771 data-nosnippet>1771</a> <span class="kw">let </span><span class="prelude-val">Some</span>(def) = <span class="self">self</span>.body_for(block.syntax()) <span class="kw">else </span>{ <span class="kw">return </span>Vec::new() }; |
| <a href=#1772 id=1772 data-nosnippet>1772</a> <span class="kw">let </span>def = def.into(); |
| <a href=#1773 id=1773 data-nosnippet>1773</a> <span class="kw">let </span>(body, source_map) = <span class="self">self</span>.db.body_with_source_map(def); |
| <a href=#1774 id=1774 data-nosnippet>1774</a> <span class="kw">let </span>infer = <span class="self">self</span>.db.infer(def); |
| <a href=#1775 id=1775 data-nosnippet>1775</a> <span class="kw">let </span><span class="prelude-val">Some</span>(ExprOrPatId::ExprId(block)) = source_map.node_expr(block.as_ref()) <span class="kw">else </span>{ |
| <a href=#1776 id=1776 data-nosnippet>1776</a> <span class="kw">return </span>Vec::new(); |
| <a href=#1777 id=1777 data-nosnippet>1777</a> }; |
| <a href=#1778 id=1778 data-nosnippet>1778</a> <span class="kw">let </span><span class="kw-2">mut </span>res = Vec::default(); |
| <a href=#1779 id=1779 data-nosnippet>1779</a> unsafe_operations(<span class="self">self</span>.db, <span class="kw-2">&</span>infer, def, <span class="kw-2">&</span>body, block, <span class="kw-2">&mut </span>|node, <span class="kw">_</span>| { |
| <a href=#1780 id=1780 data-nosnippet>1780</a> <span class="kw">if let </span><span class="prelude-val">Ok</span>(node) = source_map.expr_or_pat_syntax(node) { |
| <a href=#1781 id=1781 data-nosnippet>1781</a> res.push(node); |
| <a href=#1782 id=1782 data-nosnippet>1782</a> } |
| <a href=#1783 id=1783 data-nosnippet>1783</a> }); |
| <a href=#1784 id=1784 data-nosnippet>1784</a> res |
| <a href=#1785 id=1785 data-nosnippet>1785</a> } |
| <a href=#1786 id=1786 data-nosnippet>1786</a> |
| <a href=#1787 id=1787 data-nosnippet>1787</a> <span class="kw">pub fn </span>is_unsafe_macro_call(<span class="kw-2">&</span><span class="self">self</span>, macro_call: <span class="kw-2">&</span>ast::MacroCall) -> bool { |
| <a href=#1788 id=1788 data-nosnippet>1788</a> <span class="kw">let </span><span class="prelude-val">Some</span>(mac) = <span class="self">self</span>.resolve_macro_call(macro_call) <span class="kw">else </span>{ <span class="kw">return </span><span class="bool-val">false </span>}; |
| <a href=#1789 id=1789 data-nosnippet>1789</a> <span class="kw">if </span>mac.is_asm_like(<span class="self">self</span>.db) { |
| <a href=#1790 id=1790 data-nosnippet>1790</a> <span class="kw">return </span><span class="bool-val">true</span>; |
| <a href=#1791 id=1791 data-nosnippet>1791</a> } |
| <a href=#1792 id=1792 data-nosnippet>1792</a> |
| <a href=#1793 id=1793 data-nosnippet>1793</a> <span class="kw">let </span><span class="prelude-val">Some</span>(sa) = <span class="self">self</span>.analyze(macro_call.syntax()) <span class="kw">else </span>{ <span class="kw">return </span><span class="bool-val">false </span>}; |
| <a href=#1794 id=1794 data-nosnippet>1794</a> <span class="kw">let </span>macro_call = <span class="self">self</span>.find_file(macro_call.syntax()).with_value(macro_call); |
| <a href=#1795 id=1795 data-nosnippet>1795</a> <span class="kw">match </span>macro_call.map(|it| it.syntax().parent().and_then(ast::MacroExpr::cast)).transpose() { |
| <a href=#1796 id=1796 data-nosnippet>1796</a> <span class="prelude-val">Some</span>(it) => sa.is_unsafe_macro_call_expr(<span class="self">self</span>.db, it.as_ref()), |
| <a href=#1797 id=1797 data-nosnippet>1797</a> <span class="prelude-val">None </span>=> <span class="bool-val">false</span>, |
| <a href=#1798 id=1798 data-nosnippet>1798</a> } |
| <a href=#1799 id=1799 data-nosnippet>1799</a> } |
| <a href=#1800 id=1800 data-nosnippet>1800</a> |
| <a href=#1801 id=1801 data-nosnippet>1801</a> <span class="kw">pub fn </span>resolve_attr_macro_call(<span class="kw-2">&</span><span class="self">self</span>, item: <span class="kw-2">&</span>ast::Item) -> <span class="prelude-ty">Option</span><Macro> { |
| <a href=#1802 id=1802 data-nosnippet>1802</a> <span class="kw">let </span>item_in_file = <span class="self">self</span>.wrap_node_infile(item.clone()); |
| <a href=#1803 id=1803 data-nosnippet>1803</a> <span class="kw">let </span>id = <span class="self">self</span>.with_ctx(|ctx| { |
| <a href=#1804 id=1804 data-nosnippet>1804</a> <span class="kw">let </span>macro_call_id = ctx.item_to_macro_call(item_in_file.as_ref())<span class="question-mark">?</span>; |
| <a href=#1805 id=1805 data-nosnippet>1805</a> macro_call_to_macro_id(ctx, macro_call_id) |
| <a href=#1806 id=1806 data-nosnippet>1806</a> })<span class="question-mark">?</span>; |
| <a href=#1807 id=1807 data-nosnippet>1807</a> <span class="prelude-val">Some</span>(Macro { id }) |
| <a href=#1808 id=1808 data-nosnippet>1808</a> } |
| <a href=#1809 id=1809 data-nosnippet>1809</a> |
| <a href=#1810 id=1810 data-nosnippet>1810</a> <span class="kw">pub fn </span>resolve_path(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><PathResolution> { |
| <a href=#1811 id=1811 data-nosnippet>1811</a> <span class="self">self</span>.resolve_path_with_subst(path).map(|(it, <span class="kw">_</span>)| it) |
| <a href=#1812 id=1812 data-nosnippet>1812</a> } |
| <a href=#1813 id=1813 data-nosnippet>1813</a> |
| <a href=#1814 id=1814 data-nosnippet>1814</a> <span class="kw">pub fn </span>resolve_path_per_ns(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><PathResolutionPerNs> { |
| <a href=#1815 id=1815 data-nosnippet>1815</a> <span class="self">self</span>.analyze(path.syntax())<span class="question-mark">?</span>.resolve_hir_path_per_ns(<span class="self">self</span>.db, path) |
| <a href=#1816 id=1816 data-nosnippet>1816</a> } |
| <a href=#1817 id=1817 data-nosnippet>1817</a> |
| <a href=#1818 id=1818 data-nosnippet>1818</a> <span class="kw">pub fn </span>resolve_path_with_subst( |
| <a href=#1819 id=1819 data-nosnippet>1819</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1820 id=1820 data-nosnippet>1820</a> path: <span class="kw-2">&</span>ast::Path, |
| <a href=#1821 id=1821 data-nosnippet>1821</a> ) -> <span class="prelude-ty">Option</span><(PathResolution, <span class="prelude-ty">Option</span><GenericSubstitution<<span class="lifetime">'db</span>>>)> { |
| <a href=#1822 id=1822 data-nosnippet>1822</a> <span class="self">self</span>.analyze(path.syntax())<span class="question-mark">?</span>.resolve_path(<span class="self">self</span>.db, path) |
| <a href=#1823 id=1823 data-nosnippet>1823</a> } |
| <a href=#1824 id=1824 data-nosnippet>1824</a> |
| <a href=#1825 id=1825 data-nosnippet>1825</a> <span class="kw">pub fn </span>resolve_use_type_arg(<span class="kw-2">&</span><span class="self">self</span>, name: <span class="kw-2">&</span>ast::NameRef) -> <span class="prelude-ty">Option</span><TypeParam> { |
| <a href=#1826 id=1826 data-nosnippet>1826</a> <span class="self">self</span>.analyze(name.syntax())<span class="question-mark">?</span>.resolve_use_type_arg(name) |
| <a href=#1827 id=1827 data-nosnippet>1827</a> } |
| <a href=#1828 id=1828 data-nosnippet>1828</a> |
| <a href=#1829 id=1829 data-nosnippet>1829</a> <span class="kw">pub fn </span>resolve_offset_of_field( |
| <a href=#1830 id=1830 data-nosnippet>1830</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1831 id=1831 data-nosnippet>1831</a> name_ref: <span class="kw-2">&</span>ast::NameRef, |
| <a href=#1832 id=1832 data-nosnippet>1832</a> ) -> <span class="prelude-ty">Option</span><(Either<Variant, Field>, GenericSubstitution<<span class="lifetime">'db</span>>)> { |
| <a href=#1833 id=1833 data-nosnippet>1833</a> <span class="self">self</span>.analyze_no_infer(name_ref.syntax())<span class="question-mark">?</span>.resolve_offset_of_field(<span class="self">self</span>.db, name_ref) |
| <a href=#1834 id=1834 data-nosnippet>1834</a> } |
| <a href=#1835 id=1835 data-nosnippet>1835</a> |
| <a href=#1836 id=1836 data-nosnippet>1836</a> <span class="kw">pub fn </span>resolve_mod_path( |
| <a href=#1837 id=1837 data-nosnippet>1837</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1838 id=1838 data-nosnippet>1838</a> scope: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#1839 id=1839 data-nosnippet>1839</a> path: <span class="kw-2">&</span>ModPath, |
| <a href=#1840 id=1840 data-nosnippet>1840</a> ) -> <span class="prelude-ty">Option</span><<span class="kw">impl </span>Iterator<Item = ItemInNs>> { |
| <a href=#1841 id=1841 data-nosnippet>1841</a> <span class="kw">let </span>analyze = <span class="self">self</span>.analyze(scope)<span class="question-mark">?</span>; |
| <a href=#1842 id=1842 data-nosnippet>1842</a> <span class="kw">let </span>items = analyze.resolver.resolve_module_path_in_items(<span class="self">self</span>.db, path); |
| <a href=#1843 id=1843 data-nosnippet>1843</a> <span class="prelude-val">Some</span>(items.iter_items().map(|(item, <span class="kw">_</span>)| item.into())) |
| <a href=#1844 id=1844 data-nosnippet>1844</a> } |
| <a href=#1845 id=1845 data-nosnippet>1845</a> |
| <a href=#1846 id=1846 data-nosnippet>1846</a> <span class="kw">fn </span>resolve_variant(<span class="kw-2">&</span><span class="self">self</span>, record_lit: ast::RecordExpr) -> <span class="prelude-ty">Option</span><VariantId> { |
| <a href=#1847 id=1847 data-nosnippet>1847</a> <span class="self">self</span>.analyze(record_lit.syntax())<span class="question-mark">?</span>.resolve_variant(record_lit) |
| <a href=#1848 id=1848 data-nosnippet>1848</a> } |
| <a href=#1849 id=1849 data-nosnippet>1849</a> |
| <a href=#1850 id=1850 data-nosnippet>1850</a> <span class="kw">pub fn </span>resolve_bind_pat_to_const(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="kw-2">&</span>ast::IdentPat) -> <span class="prelude-ty">Option</span><ModuleDef> { |
| <a href=#1851 id=1851 data-nosnippet>1851</a> <span class="self">self</span>.analyze(pat.syntax())<span class="question-mark">?</span>.resolve_bind_pat_to_const(<span class="self">self</span>.db, pat) |
| <a href=#1852 id=1852 data-nosnippet>1852</a> } |
| <a href=#1853 id=1853 data-nosnippet>1853</a> |
| <a href=#1854 id=1854 data-nosnippet>1854</a> <span class="kw">pub fn </span>record_literal_missing_fields( |
| <a href=#1855 id=1855 data-nosnippet>1855</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1856 id=1856 data-nosnippet>1856</a> literal: <span class="kw-2">&</span>ast::RecordExpr, |
| <a href=#1857 id=1857 data-nosnippet>1857</a> ) -> Vec<(Field, Type<<span class="lifetime">'db</span>>)> { |
| <a href=#1858 id=1858 data-nosnippet>1858</a> <span class="self">self</span>.analyze(literal.syntax()) |
| <a href=#1859 id=1859 data-nosnippet>1859</a> .and_then(|it| it.record_literal_missing_fields(<span class="self">self</span>.db, literal)) |
| <a href=#1860 id=1860 data-nosnippet>1860</a> .unwrap_or_default() |
| <a href=#1861 id=1861 data-nosnippet>1861</a> } |
| <a href=#1862 id=1862 data-nosnippet>1862</a> |
| <a href=#1863 id=1863 data-nosnippet>1863</a> <span class="kw">pub fn </span>record_pattern_missing_fields( |
| <a href=#1864 id=1864 data-nosnippet>1864</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1865 id=1865 data-nosnippet>1865</a> pattern: <span class="kw-2">&</span>ast::RecordPat, |
| <a href=#1866 id=1866 data-nosnippet>1866</a> ) -> Vec<(Field, Type<<span class="lifetime">'db</span>>)> { |
| <a href=#1867 id=1867 data-nosnippet>1867</a> <span class="self">self</span>.analyze(pattern.syntax()) |
| <a href=#1868 id=1868 data-nosnippet>1868</a> .and_then(|it| it.record_pattern_missing_fields(<span class="self">self</span>.db, pattern)) |
| <a href=#1869 id=1869 data-nosnippet>1869</a> .unwrap_or_default() |
| <a href=#1870 id=1870 data-nosnippet>1870</a> } |
| <a href=#1871 id=1871 data-nosnippet>1871</a> |
| <a href=#1872 id=1872 data-nosnippet>1872</a> <span class="kw">fn </span>with_ctx<F: FnOnce(<span class="kw-2">&mut </span>SourceToDefCtx<<span class="lifetime">'_</span>, <span class="lifetime">'_</span>>) -> T, T>(<span class="kw-2">&</span><span class="self">self</span>, f: F) -> T { |
| <a href=#1873 id=1873 data-nosnippet>1873</a> <span class="kw">let </span><span class="kw-2">mut </span>ctx = SourceToDefCtx { db: <span class="self">self</span>.db, cache: <span class="kw-2">&mut </span><span class="self">self</span>.s2d_cache.borrow_mut() }; |
| <a href=#1874 id=1874 data-nosnippet>1874</a> f(<span class="kw-2">&mut </span>ctx) |
| <a href=#1875 id=1875 data-nosnippet>1875</a> } |
| <a href=#1876 id=1876 data-nosnippet>1876</a> |
| <a href=#1877 id=1877 data-nosnippet>1877</a> <span class="kw">pub fn </span>to_def<T: ToDef>(<span class="kw-2">&</span><span class="self">self</span>, src: <span class="kw-2">&</span>T) -> <span class="prelude-ty">Option</span><T::Def> { |
| <a href=#1878 id=1878 data-nosnippet>1878</a> <span class="kw">let </span>src = <span class="self">self</span>.find_file(src.syntax()).with_value(src); |
| <a href=#1879 id=1879 data-nosnippet>1879</a> T::to_def(<span class="self">self</span>, src) |
| <a href=#1880 id=1880 data-nosnippet>1880</a> } |
| <a href=#1881 id=1881 data-nosnippet>1881</a> |
| <a href=#1882 id=1882 data-nosnippet>1882</a> <span class="kw">pub fn </span>to_def2<T: ToDef>(<span class="kw-2">&</span><span class="self">self</span>, src: InFile<<span class="kw-2">&</span>T>) -> <span class="prelude-ty">Option</span><T::Def> { |
| <a href=#1883 id=1883 data-nosnippet>1883</a> T::to_def(<span class="self">self</span>, src) |
| <a href=#1884 id=1884 data-nosnippet>1884</a> } |
| <a href=#1885 id=1885 data-nosnippet>1885</a> |
| <a href=#1886 id=1886 data-nosnippet>1886</a> <span class="kw">fn </span>file_to_module_defs(<span class="kw-2">&</span><span class="self">self</span>, file: FileId) -> <span class="kw">impl </span>Iterator<Item = Module> { |
| <a href=#1887 id=1887 data-nosnippet>1887</a> <span class="self">self</span>.with_ctx(|ctx| ctx.file_to_def(file).to_owned()).into_iter().map(Module::from) |
| <a href=#1888 id=1888 data-nosnippet>1888</a> } |
| <a href=#1889 id=1889 data-nosnippet>1889</a> |
| <a href=#1890 id=1890 data-nosnippet>1890</a> <span class="kw">fn </span>hir_file_to_module_defs(<span class="kw-2">&</span><span class="self">self</span>, file: HirFileId) -> <span class="kw">impl </span>Iterator<Item = Module> { |
| <a href=#1891 id=1891 data-nosnippet>1891</a> <span class="comment">// FIXME: Do we need to care about inline modules for macro expansions? |
| <a href=#1892 id=1892 data-nosnippet>1892</a> </span><span class="self">self</span>.file_to_module_defs(file.original_file_respecting_includes(<span class="self">self</span>.db).file_id(<span class="self">self</span>.db)) |
| <a href=#1893 id=1893 data-nosnippet>1893</a> } |
| <a href=#1894 id=1894 data-nosnippet>1894</a> |
| <a href=#1895 id=1895 data-nosnippet>1895</a> <span class="kw">pub fn </span>scope(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><SemanticsScope<<span class="lifetime">'db</span>>> { |
| <a href=#1896 id=1896 data-nosnippet>1896</a> <span class="self">self</span>.analyze_no_infer(node).map(|SourceAnalyzer { file_id, resolver, .. }| SemanticsScope { |
| <a href=#1897 id=1897 data-nosnippet>1897</a> db: <span class="self">self</span>.db, |
| <a href=#1898 id=1898 data-nosnippet>1898</a> file_id, |
| <a href=#1899 id=1899 data-nosnippet>1899</a> resolver, |
| <a href=#1900 id=1900 data-nosnippet>1900</a> }) |
| <a href=#1901 id=1901 data-nosnippet>1901</a> } |
| <a href=#1902 id=1902 data-nosnippet>1902</a> |
| <a href=#1903 id=1903 data-nosnippet>1903</a> <span class="kw">pub fn </span>scope_at_offset( |
| <a href=#1904 id=1904 data-nosnippet>1904</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1905 id=1905 data-nosnippet>1905</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#1906 id=1906 data-nosnippet>1906</a> offset: TextSize, |
| <a href=#1907 id=1907 data-nosnippet>1907</a> ) -> <span class="prelude-ty">Option</span><SemanticsScope<<span class="lifetime">'db</span>>> { |
| <a href=#1908 id=1908 data-nosnippet>1908</a> <span class="self">self</span>.analyze_with_offset_no_infer(node, offset).map( |
| <a href=#1909 id=1909 data-nosnippet>1909</a> |SourceAnalyzer { file_id, resolver, .. }| SemanticsScope { |
| <a href=#1910 id=1910 data-nosnippet>1910</a> db: <span class="self">self</span>.db, |
| <a href=#1911 id=1911 data-nosnippet>1911</a> file_id, |
| <a href=#1912 id=1912 data-nosnippet>1912</a> resolver, |
| <a href=#1913 id=1913 data-nosnippet>1913</a> }, |
| <a href=#1914 id=1914 data-nosnippet>1914</a> ) |
| <a href=#1915 id=1915 data-nosnippet>1915</a> } |
| <a href=#1916 id=1916 data-nosnippet>1916</a> |
| <a href=#1917 id=1917 data-nosnippet>1917</a> <span class="doccomment">/// Search for a definition's source and cache its syntax tree |
| <a href=#1918 id=1918 data-nosnippet>1918</a> </span><span class="kw">pub fn </span>source<Def: HasSource>(<span class="kw-2">&</span><span class="self">self</span>, def: Def) -> <span class="prelude-ty">Option</span><InFile<Def::Ast>> |
| <a href=#1919 id=1919 data-nosnippet>1919</a> <span class="kw">where |
| <a href=#1920 id=1920 data-nosnippet>1920</a> </span>Def::Ast: AstNode, |
| <a href=#1921 id=1921 data-nosnippet>1921</a> { |
| <a href=#1922 id=1922 data-nosnippet>1922</a> <span class="comment">// FIXME: source call should go through the parse cache |
| <a href=#1923 id=1923 data-nosnippet>1923</a> </span><span class="kw">let </span>res = def.source(<span class="self">self</span>.db)<span class="question-mark">?</span>; |
| <a href=#1924 id=1924 data-nosnippet>1924</a> <span class="self">self</span>.cache(find_root(res.value.syntax()), res.file_id); |
| <a href=#1925 id=1925 data-nosnippet>1925</a> <span class="prelude-val">Some</span>(res) |
| <a href=#1926 id=1926 data-nosnippet>1926</a> } |
| <a href=#1927 id=1927 data-nosnippet>1927</a> |
| <a href=#1928 id=1928 data-nosnippet>1928</a> <span class="kw">pub fn </span>body_for(<span class="kw-2">&</span><span class="self">self</span>, node: InFile<<span class="kw-2">&</span>SyntaxNode>) -> <span class="prelude-ty">Option</span><DefWithBody> { |
| <a href=#1929 id=1929 data-nosnippet>1929</a> <span class="kw">let </span>container = <span class="self">self</span>.with_ctx(|ctx| ctx.find_container(node))<span class="question-mark">?</span>; |
| <a href=#1930 id=1930 data-nosnippet>1930</a> |
| <a href=#1931 id=1931 data-nosnippet>1931</a> <span class="kw">match </span>container { |
| <a href=#1932 id=1932 data-nosnippet>1932</a> ChildContainer::DefWithBodyId(def) => <span class="prelude-val">Some</span>(def.into()), |
| <a href=#1933 id=1933 data-nosnippet>1933</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#1934 id=1934 data-nosnippet>1934</a> } |
| <a href=#1935 id=1935 data-nosnippet>1935</a> } |
| <a href=#1936 id=1936 data-nosnippet>1936</a> |
| <a href=#1937 id=1937 data-nosnippet>1937</a> <span class="doccomment">/// Returns none if the file of the node is not part of a crate. |
| <a href=#1938 id=1938 data-nosnippet>1938</a> </span><span class="kw">fn </span>analyze(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><SourceAnalyzer<<span class="lifetime">'db</span>>> { |
| <a href=#1939 id=1939 data-nosnippet>1939</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(node); |
| <a href=#1940 id=1940 data-nosnippet>1940</a> <span class="self">self</span>.analyze_impl(node, <span class="prelude-val">None</span>, <span class="bool-val">true</span>) |
| <a href=#1941 id=1941 data-nosnippet>1941</a> } |
| <a href=#1942 id=1942 data-nosnippet>1942</a> |
| <a href=#1943 id=1943 data-nosnippet>1943</a> <span class="doccomment">/// Returns none if the file of the node is not part of a crate. |
| <a href=#1944 id=1944 data-nosnippet>1944</a> </span><span class="kw">fn </span>analyze_no_infer(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><SourceAnalyzer<<span class="lifetime">'db</span>>> { |
| <a href=#1945 id=1945 data-nosnippet>1945</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(node); |
| <a href=#1946 id=1946 data-nosnippet>1946</a> <span class="self">self</span>.analyze_impl(node, <span class="prelude-val">None</span>, <span class="bool-val">false</span>) |
| <a href=#1947 id=1947 data-nosnippet>1947</a> } |
| <a href=#1948 id=1948 data-nosnippet>1948</a> |
| <a href=#1949 id=1949 data-nosnippet>1949</a> <span class="kw">fn </span>analyze_with_offset_no_infer( |
| <a href=#1950 id=1950 data-nosnippet>1950</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1951 id=1951 data-nosnippet>1951</a> node: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#1952 id=1952 data-nosnippet>1952</a> offset: TextSize, |
| <a href=#1953 id=1953 data-nosnippet>1953</a> ) -> <span class="prelude-ty">Option</span><SourceAnalyzer<<span class="lifetime">'db</span>>> { |
| <a href=#1954 id=1954 data-nosnippet>1954</a> <span class="kw">let </span>node = <span class="self">self</span>.find_file(node); |
| <a href=#1955 id=1955 data-nosnippet>1955</a> <span class="self">self</span>.analyze_impl(node, <span class="prelude-val">Some</span>(offset), <span class="bool-val">false</span>) |
| <a href=#1956 id=1956 data-nosnippet>1956</a> } |
| <a href=#1957 id=1957 data-nosnippet>1957</a> |
| <a href=#1958 id=1958 data-nosnippet>1958</a> <span class="kw">fn </span>analyze_impl( |
| <a href=#1959 id=1959 data-nosnippet>1959</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#1960 id=1960 data-nosnippet>1960</a> node: InFile<<span class="kw-2">&</span>SyntaxNode>, |
| <a href=#1961 id=1961 data-nosnippet>1961</a> offset: <span class="prelude-ty">Option</span><TextSize>, |
| <a href=#1962 id=1962 data-nosnippet>1962</a> <span class="comment">// replace this, just make the inference result a `LazyCell` |
| <a href=#1963 id=1963 data-nosnippet>1963</a> </span>infer_body: bool, |
| <a href=#1964 id=1964 data-nosnippet>1964</a> ) -> <span class="prelude-ty">Option</span><SourceAnalyzer<<span class="lifetime">'db</span>>> { |
| <a href=#1965 id=1965 data-nosnippet>1965</a> <span class="kw">let </span>_p = <span class="macro">tracing::info_span!</span>(<span class="string">"SemanticsImpl::analyze_impl"</span>).entered(); |
| <a href=#1966 id=1966 data-nosnippet>1966</a> |
| <a href=#1967 id=1967 data-nosnippet>1967</a> <span class="kw">let </span>container = <span class="self">self</span>.with_ctx(|ctx| ctx.find_container(node))<span class="question-mark">?</span>; |
| <a href=#1968 id=1968 data-nosnippet>1968</a> |
| <a href=#1969 id=1969 data-nosnippet>1969</a> <span class="kw">let </span>resolver = <span class="kw">match </span>container { |
| <a href=#1970 id=1970 data-nosnippet>1970</a> ChildContainer::DefWithBodyId(def) => { |
| <a href=#1971 id=1971 data-nosnippet>1971</a> <span class="kw">return </span><span class="prelude-val">Some</span>(<span class="kw">if </span>infer_body { |
| <a href=#1972 id=1972 data-nosnippet>1972</a> SourceAnalyzer::new_for_body(<span class="self">self</span>.db, def, node, offset) |
| <a href=#1973 id=1973 data-nosnippet>1973</a> } <span class="kw">else </span>{ |
| <a href=#1974 id=1974 data-nosnippet>1974</a> SourceAnalyzer::new_for_body_no_infer(<span class="self">self</span>.db, def, node, offset) |
| <a href=#1975 id=1975 data-nosnippet>1975</a> }); |
| <a href=#1976 id=1976 data-nosnippet>1976</a> } |
| <a href=#1977 id=1977 data-nosnippet>1977</a> ChildContainer::VariantId(def) => { |
| <a href=#1978 id=1978 data-nosnippet>1978</a> <span class="kw">return </span><span class="prelude-val">Some</span>(SourceAnalyzer::new_variant_body(<span class="self">self</span>.db, def, node, offset)); |
| <a href=#1979 id=1979 data-nosnippet>1979</a> } |
| <a href=#1980 id=1980 data-nosnippet>1980</a> ChildContainer::TraitId(it) => { |
| <a href=#1981 id=1981 data-nosnippet>1981</a> <span class="kw">return </span><span class="prelude-val">Some</span>(SourceAnalyzer::new_generic_def(<span class="self">self</span>.db, it.into(), node, offset)); |
| <a href=#1982 id=1982 data-nosnippet>1982</a> } |
| <a href=#1983 id=1983 data-nosnippet>1983</a> ChildContainer::ImplId(it) => { |
| <a href=#1984 id=1984 data-nosnippet>1984</a> <span class="kw">return </span><span class="prelude-val">Some</span>(SourceAnalyzer::new_generic_def(<span class="self">self</span>.db, it.into(), node, offset)); |
| <a href=#1985 id=1985 data-nosnippet>1985</a> } |
| <a href=#1986 id=1986 data-nosnippet>1986</a> ChildContainer::EnumId(it) => { |
| <a href=#1987 id=1987 data-nosnippet>1987</a> <span class="kw">return </span><span class="prelude-val">Some</span>(SourceAnalyzer::new_generic_def(<span class="self">self</span>.db, it.into(), node, offset)); |
| <a href=#1988 id=1988 data-nosnippet>1988</a> } |
| <a href=#1989 id=1989 data-nosnippet>1989</a> ChildContainer::GenericDefId(it) => { |
| <a href=#1990 id=1990 data-nosnippet>1990</a> <span class="kw">return </span><span class="prelude-val">Some</span>(SourceAnalyzer::new_generic_def(<span class="self">self</span>.db, it, node, offset)); |
| <a href=#1991 id=1991 data-nosnippet>1991</a> } |
| <a href=#1992 id=1992 data-nosnippet>1992</a> ChildContainer::ModuleId(it) => it.resolver(<span class="self">self</span>.db), |
| <a href=#1993 id=1993 data-nosnippet>1993</a> }; |
| <a href=#1994 id=1994 data-nosnippet>1994</a> <span class="prelude-val">Some</span>(SourceAnalyzer::new_for_resolver(resolver, node)) |
| <a href=#1995 id=1995 data-nosnippet>1995</a> } |
| <a href=#1996 id=1996 data-nosnippet>1996</a> |
| <a href=#1997 id=1997 data-nosnippet>1997</a> <span class="kw">fn </span>cache(<span class="kw-2">&</span><span class="self">self</span>, root_node: SyntaxNode, file_id: HirFileId) { |
| <a href=#1998 id=1998 data-nosnippet>1998</a> SourceToDefCache::cache( |
| <a href=#1999 id=1999 data-nosnippet>1999</a> <span class="kw-2">&mut </span><span class="self">self</span>.s2d_cache.borrow_mut().root_to_file_cache, |
| <a href=#2000 id=2000 data-nosnippet>2000</a> root_node, |
| <a href=#2001 id=2001 data-nosnippet>2001</a> file_id, |
| <a href=#2002 id=2002 data-nosnippet>2002</a> ); |
| <a href=#2003 id=2003 data-nosnippet>2003</a> } |
| <a href=#2004 id=2004 data-nosnippet>2004</a> |
| <a href=#2005 id=2005 data-nosnippet>2005</a> <span class="kw">pub fn </span>assert_contains_node(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span>SyntaxNode) { |
| <a href=#2006 id=2006 data-nosnippet>2006</a> <span class="self">self</span>.find_file(node); |
| <a href=#2007 id=2007 data-nosnippet>2007</a> } |
| <a href=#2008 id=2008 data-nosnippet>2008</a> |
| <a href=#2009 id=2009 data-nosnippet>2009</a> <span class="kw">fn </span>lookup(<span class="kw-2">&</span><span class="self">self</span>, root_node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><HirFileId> { |
| <a href=#2010 id=2010 data-nosnippet>2010</a> <span class="kw">let </span>cache = <span class="self">self</span>.s2d_cache.borrow(); |
| <a href=#2011 id=2011 data-nosnippet>2011</a> cache.root_to_file_cache.get(root_node).copied() |
| <a href=#2012 id=2012 data-nosnippet>2012</a> } |
| <a href=#2013 id=2013 data-nosnippet>2013</a> |
| <a href=#2014 id=2014 data-nosnippet>2014</a> <span class="kw">fn </span>wrap_node_infile<N: AstNode>(<span class="kw-2">&</span><span class="self">self</span>, node: N) -> InFile<N> { |
| <a href=#2015 id=2015 data-nosnippet>2015</a> <span class="kw">let </span>InFile { file_id, .. } = <span class="self">self</span>.find_file(node.syntax()); |
| <a href=#2016 id=2016 data-nosnippet>2016</a> InFile::new(file_id, node) |
| <a href=#2017 id=2017 data-nosnippet>2017</a> } |
| <a href=#2018 id=2018 data-nosnippet>2018</a> |
| <a href=#2019 id=2019 data-nosnippet>2019</a> <span class="kw">fn </span>wrap_token_infile(<span class="kw-2">&</span><span class="self">self</span>, token: SyntaxToken) -> InFile<SyntaxToken> { |
| <a href=#2020 id=2020 data-nosnippet>2020</a> <span class="kw">let </span>InFile { file_id, .. } = <span class="self">self</span>.find_file(<span class="kw-2">&</span>token.parent().unwrap()); |
| <a href=#2021 id=2021 data-nosnippet>2021</a> InFile::new(file_id, token) |
| <a href=#2022 id=2022 data-nosnippet>2022</a> } |
| <a href=#2023 id=2023 data-nosnippet>2023</a> |
| <a href=#2024 id=2024 data-nosnippet>2024</a> <span class="doccomment">/// Wraps the node in a [`InFile`] with the file id it belongs to. |
| <a href=#2025 id=2025 data-nosnippet>2025</a> </span><span class="kw">fn </span>find_file<<span class="lifetime">'node</span>>(<span class="kw-2">&</span><span class="self">self</span>, node: <span class="kw-2">&</span><span class="lifetime">'node </span>SyntaxNode) -> InFile<<span class="kw-2">&</span><span class="lifetime">'node </span>SyntaxNode> { |
| <a href=#2026 id=2026 data-nosnippet>2026</a> <span class="kw">let </span>root_node = find_root(node); |
| <a href=#2027 id=2027 data-nosnippet>2027</a> <span class="kw">let </span>file_id = <span class="self">self</span>.lookup(<span class="kw-2">&</span>root_node).unwrap_or_else(|| { |
| <a href=#2028 id=2028 data-nosnippet>2028</a> <span class="macro">panic!</span>( |
| <a href=#2029 id=2029 data-nosnippet>2029</a> <span class="string">"\n\nFailed to lookup {:?} in this Semantics.\n\ |
| <a href=#2030 id=2030 data-nosnippet>2030</a> Make sure to only query nodes derived from this instance of Semantics.\n\ |
| <a href=#2031 id=2031 data-nosnippet>2031</a> root node: {:?}\n\ |
| <a href=#2032 id=2032 data-nosnippet>2032</a> known nodes: {}\n\n"</span>, |
| <a href=#2033 id=2033 data-nosnippet>2033</a> node, |
| <a href=#2034 id=2034 data-nosnippet>2034</a> root_node, |
| <a href=#2035 id=2035 data-nosnippet>2035</a> <span class="self">self</span>.s2d_cache |
| <a href=#2036 id=2036 data-nosnippet>2036</a> .borrow() |
| <a href=#2037 id=2037 data-nosnippet>2037</a> .root_to_file_cache |
| <a href=#2038 id=2038 data-nosnippet>2038</a> .keys() |
| <a href=#2039 id=2039 data-nosnippet>2039</a> .map(|it| <span class="macro">format!</span>(<span class="string">"{it:?}"</span>)) |
| <a href=#2040 id=2040 data-nosnippet>2040</a> .collect::<Vec<<span class="kw">_</span>>>() |
| <a href=#2041 id=2041 data-nosnippet>2041</a> .join(<span class="string">", "</span>) |
| <a href=#2042 id=2042 data-nosnippet>2042</a> ) |
| <a href=#2043 id=2043 data-nosnippet>2043</a> }); |
| <a href=#2044 id=2044 data-nosnippet>2044</a> InFile::new(file_id, node) |
| <a href=#2045 id=2045 data-nosnippet>2045</a> } |
| <a href=#2046 id=2046 data-nosnippet>2046</a> |
| <a href=#2047 id=2047 data-nosnippet>2047</a> <span class="doccomment">/// Returns `true` if the `node` is inside an `unsafe` context. |
| <a href=#2048 id=2048 data-nosnippet>2048</a> </span><span class="kw">pub fn </span>is_inside_unsafe(<span class="kw-2">&</span><span class="self">self</span>, expr: <span class="kw-2">&</span>ast::Expr) -> bool { |
| <a href=#2049 id=2049 data-nosnippet>2049</a> <span class="kw">let </span><span class="prelude-val">Some</span>(enclosing_item) = |
| <a href=#2050 id=2050 data-nosnippet>2050</a> expr.syntax().ancestors().find_map(Either::<ast::Item, ast::Variant>::cast) |
| <a href=#2051 id=2051 data-nosnippet>2051</a> <span class="kw">else </span>{ |
| <a href=#2052 id=2052 data-nosnippet>2052</a> <span class="kw">return </span><span class="bool-val">false</span>; |
| <a href=#2053 id=2053 data-nosnippet>2053</a> }; |
| <a href=#2054 id=2054 data-nosnippet>2054</a> |
| <a href=#2055 id=2055 data-nosnippet>2055</a> <span class="kw">let </span>def = <span class="kw">match </span><span class="kw-2">&</span>enclosing_item { |
| <a href=#2056 id=2056 data-nosnippet>2056</a> Either::Left(ast::Item::Fn(it)) <span class="kw">if </span>it.unsafe_token().is_some() => <span class="kw">return </span><span class="bool-val">true</span>, |
| <a href=#2057 id=2057 data-nosnippet>2057</a> Either::Left(ast::Item::Fn(it)) => { |
| <a href=#2058 id=2058 data-nosnippet>2058</a> <span class="self">self</span>.to_def(it).map(<<span class="kw">_</span>>::into).map(DefWithBodyId::FunctionId) |
| <a href=#2059 id=2059 data-nosnippet>2059</a> } |
| <a href=#2060 id=2060 data-nosnippet>2060</a> Either::Left(ast::Item::Const(it)) => { |
| <a href=#2061 id=2061 data-nosnippet>2061</a> <span class="self">self</span>.to_def(it).map(<<span class="kw">_</span>>::into).map(DefWithBodyId::ConstId) |
| <a href=#2062 id=2062 data-nosnippet>2062</a> } |
| <a href=#2063 id=2063 data-nosnippet>2063</a> Either::Left(ast::Item::Static(it)) => { |
| <a href=#2064 id=2064 data-nosnippet>2064</a> <span class="self">self</span>.to_def(it).map(<<span class="kw">_</span>>::into).map(DefWithBodyId::StaticId) |
| <a href=#2065 id=2065 data-nosnippet>2065</a> } |
| <a href=#2066 id=2066 data-nosnippet>2066</a> Either::Left(<span class="kw">_</span>) => <span class="prelude-val">None</span>, |
| <a href=#2067 id=2067 data-nosnippet>2067</a> Either::Right(it) => <span class="self">self</span>.to_def(it).map(<<span class="kw">_</span>>::into).map(DefWithBodyId::VariantId), |
| <a href=#2068 id=2068 data-nosnippet>2068</a> }; |
| <a href=#2069 id=2069 data-nosnippet>2069</a> <span class="kw">let </span><span class="prelude-val">Some</span>(def) = def <span class="kw">else </span>{ <span class="kw">return </span><span class="bool-val">false </span>}; |
| <a href=#2070 id=2070 data-nosnippet>2070</a> <span class="kw">let </span>enclosing_node = enclosing_item.as_ref().either(|i| i.syntax(), |v| v.syntax()); |
| <a href=#2071 id=2071 data-nosnippet>2071</a> |
| <a href=#2072 id=2072 data-nosnippet>2072</a> <span class="kw">let </span>(body, source_map) = <span class="self">self</span>.db.body_with_source_map(def); |
| <a href=#2073 id=2073 data-nosnippet>2073</a> |
| <a href=#2074 id=2074 data-nosnippet>2074</a> <span class="kw">let </span>file_id = <span class="self">self</span>.find_file(expr.syntax()).file_id; |
| <a href=#2075 id=2075 data-nosnippet>2075</a> |
| <a href=#2076 id=2076 data-nosnippet>2076</a> <span class="kw">let </span><span class="prelude-val">Some</span>(<span class="kw-2">mut </span>parent) = expr.syntax().parent() <span class="kw">else </span>{ <span class="kw">return </span><span class="bool-val">false </span>}; |
| <a href=#2077 id=2077 data-nosnippet>2077</a> <span class="kw">loop </span>{ |
| <a href=#2078 id=2078 data-nosnippet>2078</a> <span class="kw">if </span><span class="kw-2">&</span>parent == enclosing_node { |
| <a href=#2079 id=2079 data-nosnippet>2079</a> <span class="kw">break </span><span class="bool-val">false</span>; |
| <a href=#2080 id=2080 data-nosnippet>2080</a> } |
| <a href=#2081 id=2081 data-nosnippet>2081</a> |
| <a href=#2082 id=2082 data-nosnippet>2082</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(parent) = ast::Expr::cast(parent.clone()) |
| <a href=#2083 id=2083 data-nosnippet>2083</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(ExprOrPatId::ExprId(expr_id)) = |
| <a href=#2084 id=2084 data-nosnippet>2084</a> source_map.node_expr(InFile { file_id, value: <span class="kw-2">&</span>parent }) |
| <a href=#2085 id=2085 data-nosnippet>2085</a> && <span class="kw">let </span>Expr::Unsafe { .. } = body[expr_id] |
| <a href=#2086 id=2086 data-nosnippet>2086</a> { |
| <a href=#2087 id=2087 data-nosnippet>2087</a> <span class="kw">break </span><span class="bool-val">true</span>; |
| <a href=#2088 id=2088 data-nosnippet>2088</a> } |
| <a href=#2089 id=2089 data-nosnippet>2089</a> |
| <a href=#2090 id=2090 data-nosnippet>2090</a> <span class="kw">let </span><span class="prelude-val">Some</span>(parent_) = parent.parent() <span class="kw">else </span>{ <span class="kw">break </span><span class="bool-val">false </span>}; |
| <a href=#2091 id=2091 data-nosnippet>2091</a> parent = parent_; |
| <a href=#2092 id=2092 data-nosnippet>2092</a> } |
| <a href=#2093 id=2093 data-nosnippet>2093</a> } |
| <a href=#2094 id=2094 data-nosnippet>2094</a>} |
| <a href=#2095 id=2095 data-nosnippet>2095</a> |
| <a href=#2096 id=2096 data-nosnippet>2096</a><span class="comment">// FIXME This can't be the best way to do this |
| <a href=#2097 id=2097 data-nosnippet>2097</a></span><span class="kw">fn </span>macro_call_to_macro_id( |
| <a href=#2098 id=2098 data-nosnippet>2098</a> ctx: <span class="kw-2">&mut </span>SourceToDefCtx<<span class="lifetime">'_</span>, <span class="lifetime">'_</span>>, |
| <a href=#2099 id=2099 data-nosnippet>2099</a> macro_call_id: MacroCallId, |
| <a href=#2100 id=2100 data-nosnippet>2100</a>) -> <span class="prelude-ty">Option</span><MacroId> { |
| <a href=#2101 id=2101 data-nosnippet>2101</a> <span class="kw">let </span>db: <span class="kw-2">&</span><span class="kw">dyn </span>ExpandDatabase = ctx.db; |
| <a href=#2102 id=2102 data-nosnippet>2102</a> <span class="kw">let </span>loc = db.lookup_intern_macro_call(macro_call_id); |
| <a href=#2103 id=2103 data-nosnippet>2103</a> |
| <a href=#2104 id=2104 data-nosnippet>2104</a> <span class="kw">match </span>loc.def.ast_id() { |
| <a href=#2105 id=2105 data-nosnippet>2105</a> Either::Left(it) => { |
| <a href=#2106 id=2106 data-nosnippet>2106</a> <span class="kw">let </span>node = <span class="kw">match </span>it.file_id { |
| <a href=#2107 id=2107 data-nosnippet>2107</a> HirFileId::FileId(file_id) => { |
| <a href=#2108 id=2108 data-nosnippet>2108</a> it.to_ptr(db).to_node(<span class="kw-2">&</span>db.parse(file_id).syntax_node()) |
| <a href=#2109 id=2109 data-nosnippet>2109</a> } |
| <a href=#2110 id=2110 data-nosnippet>2110</a> HirFileId::MacroFile(macro_file) => { |
| <a href=#2111 id=2111 data-nosnippet>2111</a> <span class="kw">let </span>expansion_info = ctx.cache.get_or_insert_expansion(ctx.db, macro_file); |
| <a href=#2112 id=2112 data-nosnippet>2112</a> it.to_ptr(db).to_node(<span class="kw-2">&</span>expansion_info.expanded().value) |
| <a href=#2113 id=2113 data-nosnippet>2113</a> } |
| <a href=#2114 id=2114 data-nosnippet>2114</a> }; |
| <a href=#2115 id=2115 data-nosnippet>2115</a> ctx.macro_to_def(InFile::new(it.file_id, <span class="kw-2">&</span>node)) |
| <a href=#2116 id=2116 data-nosnippet>2116</a> } |
| <a href=#2117 id=2117 data-nosnippet>2117</a> Either::Right(it) => { |
| <a href=#2118 id=2118 data-nosnippet>2118</a> <span class="kw">let </span>node = <span class="kw">match </span>it.file_id { |
| <a href=#2119 id=2119 data-nosnippet>2119</a> HirFileId::FileId(file_id) => { |
| <a href=#2120 id=2120 data-nosnippet>2120</a> it.to_ptr(db).to_node(<span class="kw-2">&</span>db.parse(file_id).syntax_node()) |
| <a href=#2121 id=2121 data-nosnippet>2121</a> } |
| <a href=#2122 id=2122 data-nosnippet>2122</a> HirFileId::MacroFile(macro_file) => { |
| <a href=#2123 id=2123 data-nosnippet>2123</a> <span class="kw">let </span>expansion_info = ctx.cache.get_or_insert_expansion(ctx.db, macro_file); |
| <a href=#2124 id=2124 data-nosnippet>2124</a> it.to_ptr(db).to_node(<span class="kw-2">&</span>expansion_info.expanded().value) |
| <a href=#2125 id=2125 data-nosnippet>2125</a> } |
| <a href=#2126 id=2126 data-nosnippet>2126</a> }; |
| <a href=#2127 id=2127 data-nosnippet>2127</a> ctx.proc_macro_to_def(InFile::new(it.file_id, <span class="kw-2">&</span>node)) |
| <a href=#2128 id=2128 data-nosnippet>2128</a> } |
| <a href=#2129 id=2129 data-nosnippet>2129</a> } |
| <a href=#2130 id=2130 data-nosnippet>2130</a>} |
| <a href=#2131 id=2131 data-nosnippet>2131</a> |
| <a href=#2132 id=2132 data-nosnippet>2132</a><span class="kw">pub trait </span>ToDef: AstNode + Clone { |
| <a href=#2133 id=2133 data-nosnippet>2133</a> <span class="kw">type </span>Def; |
| <a href=#2134 id=2134 data-nosnippet>2134</a> <span class="kw">fn </span>to_def(sema: <span class="kw-2">&</span>SemanticsImpl<<span class="lifetime">'_</span>>, src: InFile<<span class="kw-2">&</span><span class="self">Self</span>>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Def>; |
| <a href=#2135 id=2135 data-nosnippet>2135</a>} |
| <a href=#2136 id=2136 data-nosnippet>2136</a> |
| <a href=#2137 id=2137 data-nosnippet>2137</a><span class="macro">macro_rules!</span> to_def_impls { |
| <a href=#2138 id=2138 data-nosnippet>2138</a> ($((<span class="macro-nonterminal">$def</span>:path, <span class="macro-nonterminal">$ast</span>:path, <span class="macro-nonterminal">$meth</span>:ident)),* ,) => {$( |
| <a href=#2139 id=2139 data-nosnippet>2139</a> <span class="kw">impl </span>ToDef <span class="kw">for </span><span class="macro-nonterminal">$ast </span>{ |
| <a href=#2140 id=2140 data-nosnippet>2140</a> <span class="kw">type </span>Def = <span class="macro-nonterminal">$def</span>; |
| <a href=#2141 id=2141 data-nosnippet>2141</a> <span class="kw">fn </span>to_def(sema: <span class="kw-2">&</span>SemanticsImpl<<span class="lifetime">'_</span>>, src: InFile<<span class="kw-2">&</span><span class="self">Self</span>>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Def> { |
| <a href=#2142 id=2142 data-nosnippet>2142</a> sema.with_ctx(|ctx| ctx.<span class="macro-nonterminal">$meth</span>(src)).map(<<span class="macro-nonterminal">$def</span>>::from) |
| <a href=#2143 id=2143 data-nosnippet>2143</a> } |
| <a href=#2144 id=2144 data-nosnippet>2144</a> } |
| <a href=#2145 id=2145 data-nosnippet>2145</a> )<span class="kw-2">*</span>} |
| <a href=#2146 id=2146 data-nosnippet>2146</a>} |
| <a href=#2147 id=2147 data-nosnippet>2147</a> |
| <a href=#2148 id=2148 data-nosnippet>2148</a><span class="macro">to_def_impls!</span>[ |
| <a href=#2149 id=2149 data-nosnippet>2149</a> (<span class="kw">crate</span>::Module, ast::Module, module_to_def), |
| <a href=#2150 id=2150 data-nosnippet>2150</a> (<span class="kw">crate</span>::Module, ast::SourceFile, source_file_to_def), |
| <a href=#2151 id=2151 data-nosnippet>2151</a> (<span class="kw">crate</span>::Struct, ast::Struct, struct_to_def), |
| <a href=#2152 id=2152 data-nosnippet>2152</a> (<span class="kw">crate</span>::Enum, ast::Enum, enum_to_def), |
| <a href=#2153 id=2153 data-nosnippet>2153</a> (<span class="kw">crate</span>::Union, ast::Union, union_to_def), |
| <a href=#2154 id=2154 data-nosnippet>2154</a> (<span class="kw">crate</span>::Trait, ast::Trait, trait_to_def), |
| <a href=#2155 id=2155 data-nosnippet>2155</a> (<span class="kw">crate</span>::Impl, ast::Impl, impl_to_def), |
| <a href=#2156 id=2156 data-nosnippet>2156</a> (<span class="kw">crate</span>::TypeAlias, ast::TypeAlias, type_alias_to_def), |
| <a href=#2157 id=2157 data-nosnippet>2157</a> (<span class="kw">crate</span>::Const, ast::Const, const_to_def), |
| <a href=#2158 id=2158 data-nosnippet>2158</a> (<span class="kw">crate</span>::Static, ast::Static, static_to_def), |
| <a href=#2159 id=2159 data-nosnippet>2159</a> (<span class="kw">crate</span>::Function, ast::Fn, fn_to_def), |
| <a href=#2160 id=2160 data-nosnippet>2160</a> (<span class="kw">crate</span>::Field, ast::RecordField, record_field_to_def), |
| <a href=#2161 id=2161 data-nosnippet>2161</a> (<span class="kw">crate</span>::Field, ast::TupleField, tuple_field_to_def), |
| <a href=#2162 id=2162 data-nosnippet>2162</a> (<span class="kw">crate</span>::Variant, ast::Variant, enum_variant_to_def), |
| <a href=#2163 id=2163 data-nosnippet>2163</a> (<span class="kw">crate</span>::TypeParam, ast::TypeParam, type_param_to_def), |
| <a href=#2164 id=2164 data-nosnippet>2164</a> (<span class="kw">crate</span>::LifetimeParam, ast::LifetimeParam, lifetime_param_to_def), |
| <a href=#2165 id=2165 data-nosnippet>2165</a> (<span class="kw">crate</span>::ConstParam, ast::ConstParam, const_param_to_def), |
| <a href=#2166 id=2166 data-nosnippet>2166</a> (<span class="kw">crate</span>::GenericParam, ast::GenericParam, generic_param_to_def), |
| <a href=#2167 id=2167 data-nosnippet>2167</a> (<span class="kw">crate</span>::Macro, ast::Macro, macro_to_def), |
| <a href=#2168 id=2168 data-nosnippet>2168</a> (<span class="kw">crate</span>::Local, ast::IdentPat, bind_pat_to_def), |
| <a href=#2169 id=2169 data-nosnippet>2169</a> (<span class="kw">crate</span>::Local, ast::SelfParam, self_param_to_def), |
| <a href=#2170 id=2170 data-nosnippet>2170</a> (<span class="kw">crate</span>::Label, ast::Label, label_to_def), |
| <a href=#2171 id=2171 data-nosnippet>2171</a> (<span class="kw">crate</span>::Adt, ast::Adt, adt_to_def), |
| <a href=#2172 id=2172 data-nosnippet>2172</a> (<span class="kw">crate</span>::ExternCrateDecl, ast::ExternCrate, extern_crate_to_def), |
| <a href=#2173 id=2173 data-nosnippet>2173</a> (<span class="kw">crate</span>::InlineAsmOperand, ast::AsmOperandNamed, asm_operand_to_def), |
| <a href=#2174 id=2174 data-nosnippet>2174</a> (<span class="kw">crate</span>::ExternBlock, ast::ExternBlock, extern_block_to_def), |
| <a href=#2175 id=2175 data-nosnippet>2175</a> (MacroCallId, ast::MacroCall, macro_call_to_macro_call), |
| <a href=#2176 id=2176 data-nosnippet>2176</a>]; |
| <a href=#2177 id=2177 data-nosnippet>2177</a> |
| <a href=#2178 id=2178 data-nosnippet>2178</a><span class="kw">fn </span>find_root(node: <span class="kw-2">&</span>SyntaxNode) -> SyntaxNode { |
| <a href=#2179 id=2179 data-nosnippet>2179</a> node.ancestors().last().unwrap() |
| <a href=#2180 id=2180 data-nosnippet>2180</a>} |
| <a href=#2181 id=2181 data-nosnippet>2181</a> |
| <a href=#2182 id=2182 data-nosnippet>2182</a><span class="doccomment">/// `SemanticsScope` encapsulates the notion of a scope (the set of visible |
| <a href=#2183 id=2183 data-nosnippet>2183</a>/// names) at a particular program point. |
| <a href=#2184 id=2184 data-nosnippet>2184</a>/// |
| <a href=#2185 id=2185 data-nosnippet>2185</a>/// It is a bit tricky, as scopes do not really exist inside the compiler. |
| <a href=#2186 id=2186 data-nosnippet>2186</a>/// Rather, the compiler directly computes for each reference the definition it |
| <a href=#2187 id=2187 data-nosnippet>2187</a>/// refers to. It might transiently compute the explicit scope map while doing |
| <a href=#2188 id=2188 data-nosnippet>2188</a>/// so, but, generally, this is not something left after the analysis. |
| <a href=#2189 id=2189 data-nosnippet>2189</a>/// |
| <a href=#2190 id=2190 data-nosnippet>2190</a>/// However, we do very much need explicit scopes for IDE purposes -- |
| <a href=#2191 id=2191 data-nosnippet>2191</a>/// completion, at its core, lists the contents of the current scope. The notion |
| <a href=#2192 id=2192 data-nosnippet>2192</a>/// of scope is also useful to answer questions like "what would be the meaning |
| <a href=#2193 id=2193 data-nosnippet>2193</a>/// of this piece of code if we inserted it into this position?". |
| <a href=#2194 id=2194 data-nosnippet>2194</a>/// |
| <a href=#2195 id=2195 data-nosnippet>2195</a>/// So `SemanticsScope` is constructed from a specific program point (a syntax |
| <a href=#2196 id=2196 data-nosnippet>2196</a>/// node or just a raw offset) and provides access to the set of visible names |
| <a href=#2197 id=2197 data-nosnippet>2197</a>/// on a somewhat best-effort basis. |
| <a href=#2198 id=2198 data-nosnippet>2198</a>/// |
| <a href=#2199 id=2199 data-nosnippet>2199</a>/// Note that if you are wondering "what does this specific existing name mean?", |
| <a href=#2200 id=2200 data-nosnippet>2200</a>/// you'd better use the `resolve_` family of methods. |
| <a href=#2201 id=2201 data-nosnippet>2201</a></span><span class="attr">#[derive(Debug)] |
| <a href=#2202 id=2202 data-nosnippet>2202</a></span><span class="kw">pub struct </span>SemanticsScope<<span class="lifetime">'db</span>> { |
| <a href=#2203 id=2203 data-nosnippet>2203</a> <span class="kw">pub </span>db: <span class="kw-2">&</span><span class="lifetime">'db </span><span class="kw">dyn </span>HirDatabase, |
| <a href=#2204 id=2204 data-nosnippet>2204</a> file_id: HirFileId, |
| <a href=#2205 id=2205 data-nosnippet>2205</a> resolver: Resolver<<span class="lifetime">'db</span>>, |
| <a href=#2206 id=2206 data-nosnippet>2206</a>} |
| <a href=#2207 id=2207 data-nosnippet>2207</a> |
| <a href=#2208 id=2208 data-nosnippet>2208</a><span class="kw">impl</span><<span class="lifetime">'db</span>> SemanticsScope<<span class="lifetime">'db</span>> { |
| <a href=#2209 id=2209 data-nosnippet>2209</a> <span class="kw">pub fn </span>file_id(<span class="kw-2">&</span><span class="self">self</span>) -> HirFileId { |
| <a href=#2210 id=2210 data-nosnippet>2210</a> <span class="self">self</span>.file_id |
| <a href=#2211 id=2211 data-nosnippet>2211</a> } |
| <a href=#2212 id=2212 data-nosnippet>2212</a> |
| <a href=#2213 id=2213 data-nosnippet>2213</a> <span class="kw">pub fn </span>module(<span class="kw-2">&</span><span class="self">self</span>) -> Module { |
| <a href=#2214 id=2214 data-nosnippet>2214</a> Module { id: <span class="self">self</span>.resolver.module() } |
| <a href=#2215 id=2215 data-nosnippet>2215</a> } |
| <a href=#2216 id=2216 data-nosnippet>2216</a> |
| <a href=#2217 id=2217 data-nosnippet>2217</a> <span class="kw">pub fn </span>krate(<span class="kw-2">&</span><span class="self">self</span>) -> Crate { |
| <a href=#2218 id=2218 data-nosnippet>2218</a> Crate { id: <span class="self">self</span>.resolver.krate() } |
| <a href=#2219 id=2219 data-nosnippet>2219</a> } |
| <a href=#2220 id=2220 data-nosnippet>2220</a> |
| <a href=#2221 id=2221 data-nosnippet>2221</a> <span class="kw">pub fn </span>containing_function(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><Function> { |
| <a href=#2222 id=2222 data-nosnippet>2222</a> <span class="self">self</span>.resolver.body_owner().and_then(|owner| <span class="kw">match </span>owner { |
| <a href=#2223 id=2223 data-nosnippet>2223</a> DefWithBodyId::FunctionId(id) => <span class="prelude-val">Some</span>(id.into()), |
| <a href=#2224 id=2224 data-nosnippet>2224</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#2225 id=2225 data-nosnippet>2225</a> }) |
| <a href=#2226 id=2226 data-nosnippet>2226</a> } |
| <a href=#2227 id=2227 data-nosnippet>2227</a> |
| <a href=#2228 id=2228 data-nosnippet>2228</a> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>resolver(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Resolver<<span class="lifetime">'db</span>> { |
| <a href=#2229 id=2229 data-nosnippet>2229</a> <span class="kw-2">&</span><span class="self">self</span>.resolver |
| <a href=#2230 id=2230 data-nosnippet>2230</a> } |
| <a href=#2231 id=2231 data-nosnippet>2231</a> |
| <a href=#2232 id=2232 data-nosnippet>2232</a> <span class="doccomment">/// Note: `VisibleTraits` should be treated as an opaque type, passed into `Type |
| <a href=#2233 id=2233 data-nosnippet>2233</a> </span><span class="kw">pub fn </span>visible_traits(<span class="kw-2">&</span><span class="self">self</span>) -> VisibleTraits { |
| <a href=#2234 id=2234 data-nosnippet>2234</a> <span class="kw">let </span>resolver = <span class="kw-2">&</span><span class="self">self</span>.resolver; |
| <a href=#2235 id=2235 data-nosnippet>2235</a> VisibleTraits(resolver.traits_in_scope(<span class="self">self</span>.db)) |
| <a href=#2236 id=2236 data-nosnippet>2236</a> } |
| <a href=#2237 id=2237 data-nosnippet>2237</a> |
| <a href=#2238 id=2238 data-nosnippet>2238</a> <span class="doccomment">/// Calls the passed closure `f` on all names in scope. |
| <a href=#2239 id=2239 data-nosnippet>2239</a> </span><span class="kw">pub fn </span>process_all_names(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span><span class="kw">dyn </span>FnMut(Name, ScopeDef)) { |
| <a href=#2240 id=2240 data-nosnippet>2240</a> <span class="kw">let </span>scope = <span class="self">self</span>.resolver.names_in_scope(<span class="self">self</span>.db); |
| <a href=#2241 id=2241 data-nosnippet>2241</a> <span class="kw">for </span>(name, entries) <span class="kw">in </span>scope { |
| <a href=#2242 id=2242 data-nosnippet>2242</a> <span class="kw">for </span>entry <span class="kw">in </span>entries { |
| <a href=#2243 id=2243 data-nosnippet>2243</a> <span class="kw">let </span>def = <span class="kw">match </span>entry { |
| <a href=#2244 id=2244 data-nosnippet>2244</a> resolver::ScopeDef::ModuleDef(it) => ScopeDef::ModuleDef(it.into()), |
| <a href=#2245 id=2245 data-nosnippet>2245</a> resolver::ScopeDef::Unknown => ScopeDef::Unknown, |
| <a href=#2246 id=2246 data-nosnippet>2246</a> resolver::ScopeDef::ImplSelfType(it) => ScopeDef::ImplSelfType(it.into()), |
| <a href=#2247 id=2247 data-nosnippet>2247</a> resolver::ScopeDef::AdtSelfType(it) => ScopeDef::AdtSelfType(it.into()), |
| <a href=#2248 id=2248 data-nosnippet>2248</a> resolver::ScopeDef::GenericParam(id) => ScopeDef::GenericParam(id.into()), |
| <a href=#2249 id=2249 data-nosnippet>2249</a> resolver::ScopeDef::Local(binding_id) => <span class="kw">match </span><span class="self">self</span>.resolver.body_owner() { |
| <a href=#2250 id=2250 data-nosnippet>2250</a> <span class="prelude-val">Some</span>(parent) => ScopeDef::Local(Local { parent, binding_id }), |
| <a href=#2251 id=2251 data-nosnippet>2251</a> <span class="prelude-val">None </span>=> <span class="kw">continue</span>, |
| <a href=#2252 id=2252 data-nosnippet>2252</a> }, |
| <a href=#2253 id=2253 data-nosnippet>2253</a> resolver::ScopeDef::Label(label_id) => <span class="kw">match </span><span class="self">self</span>.resolver.body_owner() { |
| <a href=#2254 id=2254 data-nosnippet>2254</a> <span class="prelude-val">Some</span>(parent) => ScopeDef::Label(Label { parent, label_id }), |
| <a href=#2255 id=2255 data-nosnippet>2255</a> <span class="prelude-val">None </span>=> <span class="kw">continue</span>, |
| <a href=#2256 id=2256 data-nosnippet>2256</a> }, |
| <a href=#2257 id=2257 data-nosnippet>2257</a> }; |
| <a href=#2258 id=2258 data-nosnippet>2258</a> f(name.clone(), def) |
| <a href=#2259 id=2259 data-nosnippet>2259</a> } |
| <a href=#2260 id=2260 data-nosnippet>2260</a> } |
| <a href=#2261 id=2261 data-nosnippet>2261</a> } |
| <a href=#2262 id=2262 data-nosnippet>2262</a> |
| <a href=#2263 id=2263 data-nosnippet>2263</a> <span class="doccomment">/// Checks if a trait is in scope, either because of an import or because we're in an impl of it. |
| <a href=#2264 id=2264 data-nosnippet>2264</a> </span><span class="kw">pub fn </span>can_use_trait_methods(<span class="kw-2">&</span><span class="self">self</span>, t: Trait) -> bool { |
| <a href=#2265 id=2265 data-nosnippet>2265</a> <span class="self">self</span>.resolver.traits_in_scope(<span class="self">self</span>.db).contains(<span class="kw-2">&</span>t.id) |
| <a href=#2266 id=2266 data-nosnippet>2266</a> } |
| <a href=#2267 id=2267 data-nosnippet>2267</a> |
| <a href=#2268 id=2268 data-nosnippet>2268</a> <span class="doccomment">/// Resolve a path as-if it was written at the given scope. This is |
| <a href=#2269 id=2269 data-nosnippet>2269</a> /// necessary a heuristic, as it doesn't take hygiene into account. |
| <a href=#2270 id=2270 data-nosnippet>2270</a> </span><span class="kw">pub fn </span>speculative_resolve(<span class="kw-2">&</span><span class="self">self</span>, ast_path: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><PathResolution> { |
| <a href=#2271 id=2271 data-nosnippet>2271</a> <span class="kw">let </span><span class="kw-2">mut </span>kind = PathKind::Plain; |
| <a href=#2272 id=2272 data-nosnippet>2272</a> <span class="kw">let </span><span class="kw-2">mut </span>segments = <span class="macro">vec!</span>[]; |
| <a href=#2273 id=2273 data-nosnippet>2273</a> <span class="kw">let </span><span class="kw-2">mut </span>first = <span class="bool-val">true</span>; |
| <a href=#2274 id=2274 data-nosnippet>2274</a> <span class="kw">for </span>segment <span class="kw">in </span>ast_path.segments() { |
| <a href=#2275 id=2275 data-nosnippet>2275</a> <span class="kw">if </span>first { |
| <a href=#2276 id=2276 data-nosnippet>2276</a> first = <span class="bool-val">false</span>; |
| <a href=#2277 id=2277 data-nosnippet>2277</a> <span class="kw">if </span>segment.coloncolon_token().is_some() { |
| <a href=#2278 id=2278 data-nosnippet>2278</a> kind = PathKind::Abs; |
| <a href=#2279 id=2279 data-nosnippet>2279</a> } |
| <a href=#2280 id=2280 data-nosnippet>2280</a> } |
| <a href=#2281 id=2281 data-nosnippet>2281</a> |
| <a href=#2282 id=2282 data-nosnippet>2282</a> <span class="kw">let </span><span class="prelude-val">Some</span>(k) = segment.kind() <span class="kw">else </span>{ <span class="kw">continue </span>}; |
| <a href=#2283 id=2283 data-nosnippet>2283</a> <span class="kw">match </span>k { |
| <a href=#2284 id=2284 data-nosnippet>2284</a> ast::PathSegmentKind::Name(name_ref) => segments.push(name_ref.as_name()), |
| <a href=#2285 id=2285 data-nosnippet>2285</a> ast::PathSegmentKind::Type { .. } => <span class="kw">continue</span>, |
| <a href=#2286 id=2286 data-nosnippet>2286</a> ast::PathSegmentKind::SelfTypeKw => { |
| <a href=#2287 id=2287 data-nosnippet>2287</a> segments.push(Name::new_symbol_root(sym::Self_)) |
| <a href=#2288 id=2288 data-nosnippet>2288</a> } |
| <a href=#2289 id=2289 data-nosnippet>2289</a> ast::PathSegmentKind::SelfKw => kind = PathKind::Super(<span class="number">0</span>), |
| <a href=#2290 id=2290 data-nosnippet>2290</a> ast::PathSegmentKind::SuperKw => <span class="kw">match </span>kind { |
| <a href=#2291 id=2291 data-nosnippet>2291</a> PathKind::Super(s) => kind = PathKind::Super(s + <span class="number">1</span>), |
| <a href=#2292 id=2292 data-nosnippet>2292</a> PathKind::Plain => kind = PathKind::Super(<span class="number">1</span>), |
| <a href=#2293 id=2293 data-nosnippet>2293</a> PathKind::Crate | PathKind::Abs | PathKind::DollarCrate(<span class="kw">_</span>) => <span class="kw">continue</span>, |
| <a href=#2294 id=2294 data-nosnippet>2294</a> }, |
| <a href=#2295 id=2295 data-nosnippet>2295</a> ast::PathSegmentKind::CrateKw => kind = PathKind::Crate, |
| <a href=#2296 id=2296 data-nosnippet>2296</a> } |
| <a href=#2297 id=2297 data-nosnippet>2297</a> } |
| <a href=#2298 id=2298 data-nosnippet>2298</a> |
| <a href=#2299 id=2299 data-nosnippet>2299</a> resolve_hir_path( |
| <a href=#2300 id=2300 data-nosnippet>2300</a> <span class="self">self</span>.db, |
| <a href=#2301 id=2301 data-nosnippet>2301</a> <span class="kw-2">&</span><span class="self">self</span>.resolver, |
| <a href=#2302 id=2302 data-nosnippet>2302</a> <span class="kw-2">&</span>Path::BarePath(Interned::new(ModPath::from_segments(kind, segments))), |
| <a href=#2303 id=2303 data-nosnippet>2303</a> name_hygiene(<span class="self">self</span>.db, InFile::new(<span class="self">self</span>.file_id, ast_path.syntax())), |
| <a href=#2304 id=2304 data-nosnippet>2304</a> <span class="prelude-val">None</span>, |
| <a href=#2305 id=2305 data-nosnippet>2305</a> ) |
| <a href=#2306 id=2306 data-nosnippet>2306</a> } |
| <a href=#2307 id=2307 data-nosnippet>2307</a> |
| <a href=#2308 id=2308 data-nosnippet>2308</a> <span class="kw">pub fn </span>resolve_mod_path(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>ModPath) -> <span class="kw">impl </span>Iterator<Item = ItemInNs> + <span class="kw">use</span><> { |
| <a href=#2309 id=2309 data-nosnippet>2309</a> <span class="kw">let </span>items = <span class="self">self</span>.resolver.resolve_module_path_in_items(<span class="self">self</span>.db, path); |
| <a href=#2310 id=2310 data-nosnippet>2310</a> items.iter_items().map(|(item, <span class="kw">_</span>)| item.into()) |
| <a href=#2311 id=2311 data-nosnippet>2311</a> } |
| <a href=#2312 id=2312 data-nosnippet>2312</a> |
| <a href=#2313 id=2313 data-nosnippet>2313</a> <span class="doccomment">/// Iterates over associated types that may be specified after the given path (using |
| <a href=#2314 id=2314 data-nosnippet>2314</a> /// `Ty::Assoc` syntax). |
| <a href=#2315 id=2315 data-nosnippet>2315</a> </span><span class="kw">pub fn </span>assoc_type_shorthand_candidates( |
| <a href=#2316 id=2316 data-nosnippet>2316</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#2317 id=2317 data-nosnippet>2317</a> resolution: <span class="kw-2">&</span>PathResolution, |
| <a href=#2318 id=2318 data-nosnippet>2318</a> <span class="kw-2">mut </span>cb: <span class="kw">impl </span>FnMut(TypeAlias), |
| <a href=#2319 id=2319 data-nosnippet>2319</a> ) { |
| <a href=#2320 id=2320 data-nosnippet>2320</a> <span class="kw">let </span>(<span class="prelude-val">Some</span>(def), <span class="prelude-val">Some</span>(resolution)) = (<span class="self">self</span>.resolver.generic_def(), resolution.in_type_ns()) |
| <a href=#2321 id=2321 data-nosnippet>2321</a> <span class="kw">else </span>{ |
| <a href=#2322 id=2322 data-nosnippet>2322</a> <span class="kw">return</span>; |
| <a href=#2323 id=2323 data-nosnippet>2323</a> }; |
| <a href=#2324 id=2324 data-nosnippet>2324</a> hir_ty::associated_type_shorthand_candidates(<span class="self">self</span>.db, def, resolution, |<span class="kw">_</span>, id| { |
| <a href=#2325 id=2325 data-nosnippet>2325</a> cb(id.into()); |
| <a href=#2326 id=2326 data-nosnippet>2326</a> <span class="bool-val">false |
| <a href=#2327 id=2327 data-nosnippet>2327</a> </span>}); |
| <a href=#2328 id=2328 data-nosnippet>2328</a> } |
| <a href=#2329 id=2329 data-nosnippet>2329</a> |
| <a href=#2330 id=2330 data-nosnippet>2330</a> <span class="kw">pub fn </span>generic_def(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw">crate</span>::GenericDef> { |
| <a href=#2331 id=2331 data-nosnippet>2331</a> <span class="self">self</span>.resolver.generic_def().map(|id| id.into()) |
| <a href=#2332 id=2332 data-nosnippet>2332</a> } |
| <a href=#2333 id=2333 data-nosnippet>2333</a> |
| <a href=#2334 id=2334 data-nosnippet>2334</a> <span class="kw">pub fn </span>extern_crates(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = (Name, Module)> + <span class="lifetime">'_ </span>{ |
| <a href=#2335 id=2335 data-nosnippet>2335</a> <span class="self">self</span>.resolver.extern_crates_in_scope().map(|(name, id)| (name, Module { id })) |
| <a href=#2336 id=2336 data-nosnippet>2336</a> } |
| <a href=#2337 id=2337 data-nosnippet>2337</a> |
| <a href=#2338 id=2338 data-nosnippet>2338</a> <span class="kw">pub fn </span>extern_crate_decls(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw">impl </span>Iterator<Item = Name> + <span class="lifetime">'_ </span>{ |
| <a href=#2339 id=2339 data-nosnippet>2339</a> <span class="self">self</span>.resolver.extern_crate_decls_in_scope(<span class="self">self</span>.db) |
| <a href=#2340 id=2340 data-nosnippet>2340</a> } |
| <a href=#2341 id=2341 data-nosnippet>2341</a> |
| <a href=#2342 id=2342 data-nosnippet>2342</a> <span class="kw">pub fn </span>has_same_self_type(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>SemanticsScope<<span class="lifetime">'_</span>>) -> bool { |
| <a href=#2343 id=2343 data-nosnippet>2343</a> <span class="self">self</span>.resolver.impl_def() == other.resolver.impl_def() |
| <a href=#2344 id=2344 data-nosnippet>2344</a> } |
| <a href=#2345 id=2345 data-nosnippet>2345</a>} |
| <a href=#2346 id=2346 data-nosnippet>2346</a> |
| <a href=#2347 id=2347 data-nosnippet>2347</a><span class="attr">#[derive(Debug)] |
| <a href=#2348 id=2348 data-nosnippet>2348</a></span><span class="kw">pub struct </span>VisibleTraits(<span class="kw">pub </span>FxHashSet<TraitId>); |
| <a href=#2349 id=2349 data-nosnippet>2349</a> |
| <a href=#2350 id=2350 data-nosnippet>2350</a><span class="kw">impl </span>ops::Deref <span class="kw">for </span>VisibleTraits { |
| <a href=#2351 id=2351 data-nosnippet>2351</a> <span class="kw">type </span>Target = FxHashSet<TraitId>; |
| <a href=#2352 id=2352 data-nosnippet>2352</a> |
| <a href=#2353 id=2353 data-nosnippet>2353</a> <span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="self">Self</span>::Target { |
| <a href=#2354 id=2354 data-nosnippet>2354</a> <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0 |
| <a href=#2355 id=2355 data-nosnippet>2355</a> </span>} |
| <a href=#2356 id=2356 data-nosnippet>2356</a>} |
| <a href=#2357 id=2357 data-nosnippet>2357</a> |
| <a href=#2358 id=2358 data-nosnippet>2358</a><span class="kw">struct </span>RenameConflictsVisitor<<span class="lifetime">'a</span>> { |
| <a href=#2359 id=2359 data-nosnippet>2359</a> db: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw">dyn </span>HirDatabase, |
| <a href=#2360 id=2360 data-nosnippet>2360</a> owner: DefWithBodyId, |
| <a href=#2361 id=2361 data-nosnippet>2361</a> resolver: Resolver<<span class="lifetime">'a</span>>, |
| <a href=#2362 id=2362 data-nosnippet>2362</a> body: <span class="kw-2">&</span><span class="lifetime">'a </span>Body, |
| <a href=#2363 id=2363 data-nosnippet>2363</a> to_be_renamed: BindingId, |
| <a href=#2364 id=2364 data-nosnippet>2364</a> new_name: Symbol, |
| <a href=#2365 id=2365 data-nosnippet>2365</a> old_name: Symbol, |
| <a href=#2366 id=2366 data-nosnippet>2366</a> conflicts: FxHashSet<BindingId>, |
| <a href=#2367 id=2367 data-nosnippet>2367</a>} |
| <a href=#2368 id=2368 data-nosnippet>2368</a> |
| <a href=#2369 id=2369 data-nosnippet>2369</a><span class="kw">impl </span>RenameConflictsVisitor<<span class="lifetime">'_</span>> { |
| <a href=#2370 id=2370 data-nosnippet>2370</a> <span class="kw">fn </span>resolve_path(<span class="kw-2">&mut </span><span class="self">self</span>, node: ExprOrPatId, path: <span class="kw-2">&</span>Path) { |
| <a href=#2371 id=2371 data-nosnippet>2371</a> <span class="kw">if let </span>Path::BarePath(path) = path |
| <a href=#2372 id=2372 data-nosnippet>2372</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(name) = path.as_ident() |
| <a href=#2373 id=2373 data-nosnippet>2373</a> { |
| <a href=#2374 id=2374 data-nosnippet>2374</a> <span class="kw">if </span><span class="kw-2">*</span>name.symbol() == <span class="self">self</span>.new_name { |
| <a href=#2375 id=2375 data-nosnippet>2375</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(conflicting) = <span class="self">self</span>.resolver.rename_will_conflict_with_renamed( |
| <a href=#2376 id=2376 data-nosnippet>2376</a> <span class="self">self</span>.db, |
| <a href=#2377 id=2377 data-nosnippet>2377</a> name, |
| <a href=#2378 id=2378 data-nosnippet>2378</a> path, |
| <a href=#2379 id=2379 data-nosnippet>2379</a> <span class="self">self</span>.body.expr_or_pat_path_hygiene(node), |
| <a href=#2380 id=2380 data-nosnippet>2380</a> <span class="self">self</span>.to_be_renamed, |
| <a href=#2381 id=2381 data-nosnippet>2381</a> ) { |
| <a href=#2382 id=2382 data-nosnippet>2382</a> <span class="self">self</span>.conflicts.insert(conflicting); |
| <a href=#2383 id=2383 data-nosnippet>2383</a> } |
| <a href=#2384 id=2384 data-nosnippet>2384</a> } <span class="kw">else if </span><span class="kw-2">*</span>name.symbol() == <span class="self">self</span>.old_name |
| <a href=#2385 id=2385 data-nosnippet>2385</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(conflicting) = <span class="self">self</span>.resolver.rename_will_conflict_with_another_variable( |
| <a href=#2386 id=2386 data-nosnippet>2386</a> <span class="self">self</span>.db, |
| <a href=#2387 id=2387 data-nosnippet>2387</a> name, |
| <a href=#2388 id=2388 data-nosnippet>2388</a> path, |
| <a href=#2389 id=2389 data-nosnippet>2389</a> <span class="self">self</span>.body.expr_or_pat_path_hygiene(node), |
| <a href=#2390 id=2390 data-nosnippet>2390</a> <span class="kw-2">&</span><span class="self">self</span>.new_name, |
| <a href=#2391 id=2391 data-nosnippet>2391</a> <span class="self">self</span>.to_be_renamed, |
| <a href=#2392 id=2392 data-nosnippet>2392</a> ) |
| <a href=#2393 id=2393 data-nosnippet>2393</a> { |
| <a href=#2394 id=2394 data-nosnippet>2394</a> <span class="self">self</span>.conflicts.insert(conflicting); |
| <a href=#2395 id=2395 data-nosnippet>2395</a> } |
| <a href=#2396 id=2396 data-nosnippet>2396</a> } |
| <a href=#2397 id=2397 data-nosnippet>2397</a> } |
| <a href=#2398 id=2398 data-nosnippet>2398</a> |
| <a href=#2399 id=2399 data-nosnippet>2399</a> <span class="kw">fn </span>rename_conflicts(<span class="kw-2">&mut </span><span class="self">self</span>, expr: ExprId) { |
| <a href=#2400 id=2400 data-nosnippet>2400</a> <span class="kw">match </span><span class="kw-2">&</span><span class="self">self</span>.body[expr] { |
| <a href=#2401 id=2401 data-nosnippet>2401</a> Expr::Path(path) => { |
| <a href=#2402 id=2402 data-nosnippet>2402</a> <span class="kw">let </span>guard = <span class="self">self</span>.resolver.update_to_inner_scope(<span class="self">self</span>.db, <span class="self">self</span>.owner, expr); |
| <a href=#2403 id=2403 data-nosnippet>2403</a> <span class="self">self</span>.resolve_path(expr.into(), path); |
| <a href=#2404 id=2404 data-nosnippet>2404</a> <span class="self">self</span>.resolver.reset_to_guard(guard); |
| <a href=#2405 id=2405 data-nosnippet>2405</a> } |
| <a href=#2406 id=2406 data-nosnippet>2406</a> <span class="kw-2">&</span>Expr::Assignment { target, .. } => { |
| <a href=#2407 id=2407 data-nosnippet>2407</a> <span class="kw">let </span>guard = <span class="self">self</span>.resolver.update_to_inner_scope(<span class="self">self</span>.db, <span class="self">self</span>.owner, expr); |
| <a href=#2408 id=2408 data-nosnippet>2408</a> <span class="self">self</span>.body.walk_pats(target, <span class="kw-2">&mut </span>|pat| { |
| <a href=#2409 id=2409 data-nosnippet>2409</a> <span class="kw">if let </span>Pat::Path(path) = <span class="kw-2">&</span><span class="self">self</span>.body[pat] { |
| <a href=#2410 id=2410 data-nosnippet>2410</a> <span class="self">self</span>.resolve_path(pat.into(), path); |
| <a href=#2411 id=2411 data-nosnippet>2411</a> } |
| <a href=#2412 id=2412 data-nosnippet>2412</a> }); |
| <a href=#2413 id=2413 data-nosnippet>2413</a> <span class="self">self</span>.resolver.reset_to_guard(guard); |
| <a href=#2414 id=2414 data-nosnippet>2414</a> } |
| <a href=#2415 id=2415 data-nosnippet>2415</a> <span class="kw">_ </span>=> {} |
| <a href=#2416 id=2416 data-nosnippet>2416</a> } |
| <a href=#2417 id=2417 data-nosnippet>2417</a> |
| <a href=#2418 id=2418 data-nosnippet>2418</a> <span class="self">self</span>.body.walk_child_exprs(expr, |expr| <span class="self">self</span>.rename_conflicts(expr)); |
| <a href=#2419 id=2419 data-nosnippet>2419</a> } |
| <a href=#2420 id=2420 data-nosnippet>2420</a>}</code></pre></div></section></main></body></html> |
