| <!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/ide-db/src/path_transform.rs`."><title>path_transform.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"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="ide_db" data-themes="" data-resource-suffix="" data-rustdoc-version="1.91.1 (ed61e7d7e 2025-11-07)" data-channel="1.91.1" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-c3e638e9.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.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-6dc2a7f3.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.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><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">ide_db/</div>path_transform.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="doccomment">//! See [`PathTransform`]. |
| <a href=#2 id=2 data-nosnippet>2</a> |
| <a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">use </span><span class="kw">crate</span>::helpers::mod_path_to_ast; |
| <a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>either::Either; |
| <a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>hir::{ |
| <a href=#6 id=6 data-nosnippet>6</a> AsAssocItem, FindPathConfig, HirDisplay, HirFileId, ModuleDef, SemanticsScope, |
| <a href=#7 id=7 data-nosnippet>7</a> prettify_macro_expansion, |
| <a href=#8 id=8 data-nosnippet>8</a>}; |
| <a href=#9 id=9 data-nosnippet>9</a><span class="kw">use </span>itertools::Itertools; |
| <a href=#10 id=10 data-nosnippet>10</a><span class="kw">use </span>rustc_hash::FxHashMap; |
| <a href=#11 id=11 data-nosnippet>11</a><span class="kw">use </span>span::Edition; |
| <a href=#12 id=12 data-nosnippet>12</a><span class="kw">use </span>syntax::{ |
| <a href=#13 id=13 data-nosnippet>13</a> NodeOrToken, SyntaxNode, |
| <a href=#14 id=14 data-nosnippet>14</a> ast::{<span class="self">self</span>, AstNode, HasGenericArgs, HasName, make}, |
| <a href=#15 id=15 data-nosnippet>15</a> syntax_editor::{<span class="self">self</span>, SyntaxEditor}, |
| <a href=#16 id=16 data-nosnippet>16</a>}; |
| <a href=#17 id=17 data-nosnippet>17</a> |
| <a href=#18 id=18 data-nosnippet>18</a><span class="attr">#[derive(Default, Debug)] |
| <a href=#19 id=19 data-nosnippet>19</a></span><span class="kw">struct </span>AstSubsts { |
| <a href=#20 id=20 data-nosnippet>20</a> types_and_consts: Vec<TypeOrConst>, |
| <a href=#21 id=21 data-nosnippet>21</a> lifetimes: Vec<ast::LifetimeArg>, |
| <a href=#22 id=22 data-nosnippet>22</a>} |
| <a href=#23 id=23 data-nosnippet>23</a> |
| <a href=#24 id=24 data-nosnippet>24</a><span class="attr">#[derive(Debug)] |
| <a href=#25 id=25 data-nosnippet>25</a></span><span class="kw">enum </span>TypeOrConst { |
| <a href=#26 id=26 data-nosnippet>26</a> Either(ast::TypeArg), <span class="comment">// indistinguishable type or const param |
| <a href=#27 id=27 data-nosnippet>27</a> </span>Const(ast::ConstArg), |
| <a href=#28 id=28 data-nosnippet>28</a>} |
| <a href=#29 id=29 data-nosnippet>29</a> |
| <a href=#30 id=30 data-nosnippet>30</a><span class="kw">type </span>LifetimeName = String; |
| <a href=#31 id=31 data-nosnippet>31</a><span class="kw">type </span>DefaultedParam = Either<hir::TypeParam, hir::ConstParam>; |
| <a href=#32 id=32 data-nosnippet>32</a> |
| <a href=#33 id=33 data-nosnippet>33</a><span class="doccomment">/// `PathTransform` substitutes path in SyntaxNodes in bulk. |
| <a href=#34 id=34 data-nosnippet>34</a>/// |
| <a href=#35 id=35 data-nosnippet>35</a>/// This is mostly useful for IDE code generation. If you paste some existing |
| <a href=#36 id=36 data-nosnippet>36</a>/// code into a new context (for example, to add method overrides to an `impl` |
| <a href=#37 id=37 data-nosnippet>37</a>/// block), you generally want to appropriately qualify the names, and sometimes |
| <a href=#38 id=38 data-nosnippet>38</a>/// you might want to substitute generic parameters as well: |
| <a href=#39 id=39 data-nosnippet>39</a>/// |
| <a href=#40 id=40 data-nosnippet>40</a>/// ```ignore |
| <a href=#41 id=41 data-nosnippet>41</a>/// mod x { |
| <a href=#42 id=42 data-nosnippet>42</a>/// pub struct A<V>; |
| <a href=#43 id=43 data-nosnippet>43</a>/// pub trait T<U> { fn foo(&self, _: U) -> A<U>; } |
| <a href=#44 id=44 data-nosnippet>44</a>/// } |
| <a href=#45 id=45 data-nosnippet>45</a>/// |
| <a href=#46 id=46 data-nosnippet>46</a>/// mod y { |
| <a href=#47 id=47 data-nosnippet>47</a>/// use x::T; |
| <a href=#48 id=48 data-nosnippet>48</a>/// |
| <a href=#49 id=49 data-nosnippet>49</a>/// impl T<()> for () { |
| <a href=#50 id=50 data-nosnippet>50</a>/// // If we invoke **Add Missing Members** here, we want to copy-paste `foo`. |
| <a href=#51 id=51 data-nosnippet>51</a>/// // But we want a slightly-modified version of it: |
| <a href=#52 id=52 data-nosnippet>52</a>/// fn foo(&self, _: ()) -> x::A<()> {} |
| <a href=#53 id=53 data-nosnippet>53</a>/// } |
| <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><span class="kw">pub struct </span>PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#57 id=57 data-nosnippet>57</a> generic_def: <span class="prelude-ty">Option</span><hir::GenericDef>, |
| <a href=#58 id=58 data-nosnippet>58</a> substs: AstSubsts, |
| <a href=#59 id=59 data-nosnippet>59</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#60 id=60 data-nosnippet>60</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#61 id=61 data-nosnippet>61</a>} |
| <a href=#62 id=62 data-nosnippet>62</a> |
| <a href=#63 id=63 data-nosnippet>63</a><span class="kw">impl</span><<span class="lifetime">'a</span>> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#64 id=64 data-nosnippet>64</a> <span class="kw">pub fn </span>trait_impl( |
| <a href=#65 id=65 data-nosnippet>65</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#66 id=66 data-nosnippet>66</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#67 id=67 data-nosnippet>67</a> trait_: hir::Trait, |
| <a href=#68 id=68 data-nosnippet>68</a> impl_: ast::Impl, |
| <a href=#69 id=69 data-nosnippet>69</a> ) -> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#70 id=70 data-nosnippet>70</a> PathTransform { |
| <a href=#71 id=71 data-nosnippet>71</a> source_scope, |
| <a href=#72 id=72 data-nosnippet>72</a> target_scope, |
| <a href=#73 id=73 data-nosnippet>73</a> generic_def: <span class="prelude-val">Some</span>(trait_.into()), |
| <a href=#74 id=74 data-nosnippet>74</a> substs: get_syntactic_substs(impl_).unwrap_or_default(), |
| <a href=#75 id=75 data-nosnippet>75</a> } |
| <a href=#76 id=76 data-nosnippet>76</a> } |
| <a href=#77 id=77 data-nosnippet>77</a> |
| <a href=#78 id=78 data-nosnippet>78</a> <span class="kw">pub fn </span>function_call( |
| <a href=#79 id=79 data-nosnippet>79</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#80 id=80 data-nosnippet>80</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#81 id=81 data-nosnippet>81</a> function: hir::Function, |
| <a href=#82 id=82 data-nosnippet>82</a> generic_arg_list: ast::GenericArgList, |
| <a href=#83 id=83 data-nosnippet>83</a> ) -> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#84 id=84 data-nosnippet>84</a> PathTransform { |
| <a href=#85 id=85 data-nosnippet>85</a> source_scope, |
| <a href=#86 id=86 data-nosnippet>86</a> target_scope, |
| <a href=#87 id=87 data-nosnippet>87</a> generic_def: <span class="prelude-val">Some</span>(function.into()), |
| <a href=#88 id=88 data-nosnippet>88</a> substs: get_type_args_from_arg_list(generic_arg_list).unwrap_or_default(), |
| <a href=#89 id=89 data-nosnippet>89</a> } |
| <a href=#90 id=90 data-nosnippet>90</a> } |
| <a href=#91 id=91 data-nosnippet>91</a> |
| <a href=#92 id=92 data-nosnippet>92</a> <span class="kw">pub fn </span>impl_transformation( |
| <a href=#93 id=93 data-nosnippet>93</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#94 id=94 data-nosnippet>94</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#95 id=95 data-nosnippet>95</a> impl_: hir::Impl, |
| <a href=#96 id=96 data-nosnippet>96</a> generic_arg_list: ast::GenericArgList, |
| <a href=#97 id=97 data-nosnippet>97</a> ) -> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#98 id=98 data-nosnippet>98</a> PathTransform { |
| <a href=#99 id=99 data-nosnippet>99</a> source_scope, |
| <a href=#100 id=100 data-nosnippet>100</a> target_scope, |
| <a href=#101 id=101 data-nosnippet>101</a> generic_def: <span class="prelude-val">Some</span>(impl_.into()), |
| <a href=#102 id=102 data-nosnippet>102</a> substs: get_type_args_from_arg_list(generic_arg_list).unwrap_or_default(), |
| <a href=#103 id=103 data-nosnippet>103</a> } |
| <a href=#104 id=104 data-nosnippet>104</a> } |
| <a href=#105 id=105 data-nosnippet>105</a> |
| <a href=#106 id=106 data-nosnippet>106</a> <span class="kw">pub fn </span>adt_transformation( |
| <a href=#107 id=107 data-nosnippet>107</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#108 id=108 data-nosnippet>108</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#109 id=109 data-nosnippet>109</a> adt: hir::Adt, |
| <a href=#110 id=110 data-nosnippet>110</a> generic_arg_list: ast::GenericArgList, |
| <a href=#111 id=111 data-nosnippet>111</a> ) -> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#112 id=112 data-nosnippet>112</a> PathTransform { |
| <a href=#113 id=113 data-nosnippet>113</a> source_scope, |
| <a href=#114 id=114 data-nosnippet>114</a> target_scope, |
| <a href=#115 id=115 data-nosnippet>115</a> generic_def: <span class="prelude-val">Some</span>(adt.into()), |
| <a href=#116 id=116 data-nosnippet>116</a> substs: get_type_args_from_arg_list(generic_arg_list).unwrap_or_default(), |
| <a href=#117 id=117 data-nosnippet>117</a> } |
| <a href=#118 id=118 data-nosnippet>118</a> } |
| <a href=#119 id=119 data-nosnippet>119</a> |
| <a href=#120 id=120 data-nosnippet>120</a> <span class="kw">pub fn </span>generic_transformation( |
| <a href=#121 id=121 data-nosnippet>121</a> target_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#122 id=122 data-nosnippet>122</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#123 id=123 data-nosnippet>123</a> ) -> PathTransform<<span class="lifetime">'a</span>> { |
| <a href=#124 id=124 data-nosnippet>124</a> PathTransform { |
| <a href=#125 id=125 data-nosnippet>125</a> source_scope, |
| <a href=#126 id=126 data-nosnippet>126</a> target_scope, |
| <a href=#127 id=127 data-nosnippet>127</a> generic_def: <span class="prelude-val">None</span>, |
| <a href=#128 id=128 data-nosnippet>128</a> substs: AstSubsts::default(), |
| <a href=#129 id=129 data-nosnippet>129</a> } |
| <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="attr">#[must_use] |
| <a href=#133 id=133 data-nosnippet>133</a> </span><span class="kw">pub fn </span>apply(<span class="kw-2">&</span><span class="self">self</span>, syntax: <span class="kw-2">&</span>SyntaxNode) -> SyntaxNode { |
| <a href=#134 id=134 data-nosnippet>134</a> <span class="self">self</span>.build_ctx().apply(syntax) |
| <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="attr">#[must_use] |
| <a href=#138 id=138 data-nosnippet>138</a> </span><span class="kw">pub fn </span>apply_all<<span class="lifetime">'b</span>>( |
| <a href=#139 id=139 data-nosnippet>139</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#140 id=140 data-nosnippet>140</a> nodes: <span class="kw">impl </span>IntoIterator<Item = <span class="kw-2">&</span><span class="lifetime">'b </span>SyntaxNode>, |
| <a href=#141 id=141 data-nosnippet>141</a> ) -> Vec<SyntaxNode> { |
| <a href=#142 id=142 data-nosnippet>142</a> <span class="kw">let </span>ctx = <span class="self">self</span>.build_ctx(); |
| <a href=#143 id=143 data-nosnippet>143</a> nodes.into_iter().map(|node| ctx.apply(<span class="kw-2">&</span>node.clone())).collect() |
| <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> <span class="kw">fn </span>prettify_target_node(<span class="kw-2">&</span><span class="self">self</span>, node: SyntaxNode) -> SyntaxNode { |
| <a href=#147 id=147 data-nosnippet>147</a> <span class="kw">match </span><span class="self">self</span>.target_scope.file_id() { |
| <a href=#148 id=148 data-nosnippet>148</a> HirFileId::FileId(<span class="kw">_</span>) => node, |
| <a href=#149 id=149 data-nosnippet>149</a> HirFileId::MacroFile(file_id) => { |
| <a href=#150 id=150 data-nosnippet>150</a> <span class="kw">let </span>db = <span class="self">self</span>.target_scope.db; |
| <a href=#151 id=151 data-nosnippet>151</a> prettify_macro_expansion( |
| <a href=#152 id=152 data-nosnippet>152</a> db, |
| <a href=#153 id=153 data-nosnippet>153</a> node, |
| <a href=#154 id=154 data-nosnippet>154</a> <span class="kw-2">&</span>db.expansion_span_map(file_id), |
| <a href=#155 id=155 data-nosnippet>155</a> <span class="self">self</span>.target_scope.module().krate(db).into(), |
| <a href=#156 id=156 data-nosnippet>156</a> ) |
| <a href=#157 id=157 data-nosnippet>157</a> } |
| <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> |
| <a href=#161 id=161 data-nosnippet>161</a> <span class="kw">fn </span>prettify_target_ast<N: AstNode>(<span class="kw-2">&</span><span class="self">self</span>, node: N) -> N { |
| <a href=#162 id=162 data-nosnippet>162</a> N::cast(<span class="self">self</span>.prettify_target_node(node.syntax().clone())).unwrap() |
| <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> <span class="kw">fn </span>build_ctx(<span class="kw-2">&</span><span class="self">self</span>) -> Ctx<<span class="lifetime">'a</span>> { |
| <a href=#166 id=166 data-nosnippet>166</a> <span class="kw">let </span>db = <span class="self">self</span>.source_scope.db; |
| <a href=#167 id=167 data-nosnippet>167</a> <span class="kw">let </span>target_module = <span class="self">self</span>.target_scope.module(); |
| <a href=#168 id=168 data-nosnippet>168</a> <span class="kw">let </span>source_module = <span class="self">self</span>.source_scope.module(); |
| <a href=#169 id=169 data-nosnippet>169</a> <span class="kw">let </span>skip = <span class="kw">match </span><span class="self">self</span>.generic_def { |
| <a href=#170 id=170 data-nosnippet>170</a> <span class="comment">// this is a trait impl, so we need to skip the first type parameter (i.e. Self) -- this is a bit hacky |
| <a href=#171 id=171 data-nosnippet>171</a> </span><span class="prelude-val">Some</span>(hir::GenericDef::Trait(<span class="kw">_</span>)) => <span class="number">1</span>, |
| <a href=#172 id=172 data-nosnippet>172</a> <span class="kw">_ </span>=> <span class="number">0</span>, |
| <a href=#173 id=173 data-nosnippet>173</a> }; |
| <a href=#174 id=174 data-nosnippet>174</a> <span class="kw">let </span><span class="kw-2">mut </span>type_substs: FxHashMap<hir::TypeParam, ast::Type> = Default::default(); |
| <a href=#175 id=175 data-nosnippet>175</a> <span class="kw">let </span><span class="kw-2">mut </span>const_substs: FxHashMap<hir::ConstParam, SyntaxNode> = Default::default(); |
| <a href=#176 id=176 data-nosnippet>176</a> <span class="kw">let </span><span class="kw-2">mut </span>defaulted_params: Vec<DefaultedParam> = Default::default(); |
| <a href=#177 id=177 data-nosnippet>177</a> <span class="kw">let </span>target_edition = target_module.krate(db).edition(<span class="self">self</span>.source_scope.db); |
| <a href=#178 id=178 data-nosnippet>178</a> <span class="self">self</span>.generic_def |
| <a href=#179 id=179 data-nosnippet>179</a> .into_iter() |
| <a href=#180 id=180 data-nosnippet>180</a> .flat_map(|it| it.type_or_const_params(db)) |
| <a href=#181 id=181 data-nosnippet>181</a> .skip(skip) |
| <a href=#182 id=182 data-nosnippet>182</a> <span class="comment">// The actual list of trait type parameters may be longer than the one |
| <a href=#183 id=183 data-nosnippet>183</a> // used in the `impl` block due to trailing default type parameters. |
| <a href=#184 id=184 data-nosnippet>184</a> // For that case we extend the `substs` with an empty iterator so we |
| <a href=#185 id=185 data-nosnippet>185</a> // can still hit those trailing values and check if they actually have |
| <a href=#186 id=186 data-nosnippet>186</a> // a default type. If they do, go for that type from `hir` to `ast` so |
| <a href=#187 id=187 data-nosnippet>187</a> // the resulting change can be applied correctly. |
| <a href=#188 id=188 data-nosnippet>188</a> </span>.zip(<span class="self">self</span>.substs.types_and_consts.iter().map(<span class="prelude-val">Some</span>).chain(std::iter::repeat(<span class="prelude-val">None</span>))) |
| <a href=#189 id=189 data-nosnippet>189</a> .for_each(|(k, v)| <span class="kw">match </span>(k.split(db), v) { |
| <a href=#190 id=190 data-nosnippet>190</a> (Either::Right(k), <span class="prelude-val">Some</span>(TypeOrConst::Either(v))) => { |
| <a href=#191 id=191 data-nosnippet>191</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(ty) = v.ty() { |
| <a href=#192 id=192 data-nosnippet>192</a> type_substs.insert(k, <span class="self">self</span>.prettify_target_ast(ty)); |
| <a href=#193 id=193 data-nosnippet>193</a> } |
| <a href=#194 id=194 data-nosnippet>194</a> } |
| <a href=#195 id=195 data-nosnippet>195</a> (Either::Right(k), <span class="prelude-val">None</span>) => { |
| <a href=#196 id=196 data-nosnippet>196</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(default) = k.default(db) |
| <a href=#197 id=197 data-nosnippet>197</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(default) = |
| <a href=#198 id=198 data-nosnippet>198</a> <span class="kw-2">&</span>default.display_source_code(db, source_module.into(), <span class="bool-val">false</span>).ok() |
| <a href=#199 id=199 data-nosnippet>199</a> { |
| <a href=#200 id=200 data-nosnippet>200</a> type_substs.insert(k, make::ty(default).clone_for_update()); |
| <a href=#201 id=201 data-nosnippet>201</a> defaulted_params.push(Either::Left(k)); |
| <a href=#202 id=202 data-nosnippet>202</a> } |
| <a href=#203 id=203 data-nosnippet>203</a> } |
| <a href=#204 id=204 data-nosnippet>204</a> (Either::Left(k), <span class="prelude-val">Some</span>(TypeOrConst::Either(v))) => { |
| <a href=#205 id=205 data-nosnippet>205</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(ty) = v.ty() { |
| <a href=#206 id=206 data-nosnippet>206</a> const_substs.insert(k, <span class="self">self</span>.prettify_target_node(ty.syntax().clone())); |
| <a href=#207 id=207 data-nosnippet>207</a> } |
| <a href=#208 id=208 data-nosnippet>208</a> } |
| <a href=#209 id=209 data-nosnippet>209</a> (Either::Left(k), <span class="prelude-val">Some</span>(TypeOrConst::Const(v))) => { |
| <a href=#210 id=210 data-nosnippet>210</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(expr) = v.expr() { |
| <a href=#211 id=211 data-nosnippet>211</a> <span class="comment">// FIXME: expressions in curly brackets can cause ambiguity after insertion |
| <a href=#212 id=212 data-nosnippet>212</a> // (e.g. `N * 2` -> `{1 + 1} * 2`; it's unclear whether `{1 + 1}` |
| <a href=#213 id=213 data-nosnippet>213</a> // is a standalone statement or a part of another expression) |
| <a href=#214 id=214 data-nosnippet>214</a> // and sometimes require slight modifications; see |
| <a href=#215 id=215 data-nosnippet>215</a> // https://doc.rust-lang.org/reference/statements.html#expression-statements |
| <a href=#216 id=216 data-nosnippet>216</a> // (default values in curly brackets can cause the same problem) |
| <a href=#217 id=217 data-nosnippet>217</a> </span>const_substs.insert(k, <span class="self">self</span>.prettify_target_node(expr.syntax().clone())); |
| <a href=#218 id=218 data-nosnippet>218</a> } |
| <a href=#219 id=219 data-nosnippet>219</a> } |
| <a href=#220 id=220 data-nosnippet>220</a> (Either::Left(k), <span class="prelude-val">None</span>) => { |
| <a href=#221 id=221 data-nosnippet>221</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(default) = |
| <a href=#222 id=222 data-nosnippet>222</a> k.default(db, target_module.krate(db).to_display_target(db)) |
| <a href=#223 id=223 data-nosnippet>223</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(default) = default.expr() |
| <a href=#224 id=224 data-nosnippet>224</a> { |
| <a href=#225 id=225 data-nosnippet>225</a> const_substs.insert(k, default.syntax().clone_for_update()); |
| <a href=#226 id=226 data-nosnippet>226</a> defaulted_params.push(Either::Right(k)); |
| <a href=#227 id=227 data-nosnippet>227</a> } |
| <a href=#228 id=228 data-nosnippet>228</a> } |
| <a href=#229 id=229 data-nosnippet>229</a> <span class="kw">_ </span>=> (), <span class="comment">// ignore mismatching params |
| <a href=#230 id=230 data-nosnippet>230</a> </span>}); |
| <a href=#231 id=231 data-nosnippet>231</a> <span class="comment">// No need to prettify lifetimes, there's nothing to prettify. |
| <a href=#232 id=232 data-nosnippet>232</a> </span><span class="kw">let </span>lifetime_substs: FxHashMap<<span class="kw">_</span>, <span class="kw">_</span>> = <span class="self">self |
| <a href=#233 id=233 data-nosnippet>233</a> </span>.generic_def |
| <a href=#234 id=234 data-nosnippet>234</a> .into_iter() |
| <a href=#235 id=235 data-nosnippet>235</a> .flat_map(|it| it.lifetime_params(db)) |
| <a href=#236 id=236 data-nosnippet>236</a> .zip(<span class="self">self</span>.substs.lifetimes.clone()) |
| <a href=#237 id=237 data-nosnippet>237</a> .filter_map(|(k, v)| { |
| <a href=#238 id=238 data-nosnippet>238</a> <span class="prelude-val">Some</span>((k.name(db).display(db, target_edition).to_string(), v.lifetime()<span class="question-mark">?</span>)) |
| <a href=#239 id=239 data-nosnippet>239</a> }) |
| <a href=#240 id=240 data-nosnippet>240</a> .collect(); |
| <a href=#241 id=241 data-nosnippet>241</a> <span class="kw">let </span><span class="kw-2">mut </span>ctx = Ctx { |
| <a href=#242 id=242 data-nosnippet>242</a> type_substs, |
| <a href=#243 id=243 data-nosnippet>243</a> const_substs, |
| <a href=#244 id=244 data-nosnippet>244</a> lifetime_substs, |
| <a href=#245 id=245 data-nosnippet>245</a> target_module, |
| <a href=#246 id=246 data-nosnippet>246</a> source_scope: <span class="self">self</span>.source_scope, |
| <a href=#247 id=247 data-nosnippet>247</a> same_self_type: <span class="self">self</span>.target_scope.has_same_self_type(<span class="self">self</span>.source_scope), |
| <a href=#248 id=248 data-nosnippet>248</a> target_edition, |
| <a href=#249 id=249 data-nosnippet>249</a> }; |
| <a href=#250 id=250 data-nosnippet>250</a> ctx.transform_default_values(defaulted_params); |
| <a href=#251 id=251 data-nosnippet>251</a> ctx |
| <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> |
| <a href=#255 id=255 data-nosnippet>255</a><span class="kw">struct </span>Ctx<<span class="lifetime">'a</span>> { |
| <a href=#256 id=256 data-nosnippet>256</a> type_substs: FxHashMap<hir::TypeParam, ast::Type>, |
| <a href=#257 id=257 data-nosnippet>257</a> const_substs: FxHashMap<hir::ConstParam, SyntaxNode>, |
| <a href=#258 id=258 data-nosnippet>258</a> lifetime_substs: FxHashMap<LifetimeName, ast::Lifetime>, |
| <a href=#259 id=259 data-nosnippet>259</a> target_module: hir::Module, |
| <a href=#260 id=260 data-nosnippet>260</a> source_scope: <span class="kw-2">&</span><span class="lifetime">'a </span>SemanticsScope<<span class="lifetime">'a</span>>, |
| <a href=#261 id=261 data-nosnippet>261</a> same_self_type: bool, |
| <a href=#262 id=262 data-nosnippet>262</a> target_edition: Edition, |
| <a href=#263 id=263 data-nosnippet>263</a>} |
| <a href=#264 id=264 data-nosnippet>264</a> |
| <a href=#265 id=265 data-nosnippet>265</a><span class="kw">fn </span>preorder_rev(item: <span class="kw-2">&</span>SyntaxNode) -> <span class="kw">impl </span>Iterator<Item = SyntaxNode> { |
| <a href=#266 id=266 data-nosnippet>266</a> <span class="kw">let </span>x = item |
| <a href=#267 id=267 data-nosnippet>267</a> .preorder() |
| <a href=#268 id=268 data-nosnippet>268</a> .filter_map(|event| <span class="kw">match </span>event { |
| <a href=#269 id=269 data-nosnippet>269</a> syntax::WalkEvent::Enter(node) => <span class="prelude-val">Some</span>(node), |
| <a href=#270 id=270 data-nosnippet>270</a> syntax::WalkEvent::Leave(<span class="kw">_</span>) => <span class="prelude-val">None</span>, |
| <a href=#271 id=271 data-nosnippet>271</a> }) |
| <a href=#272 id=272 data-nosnippet>272</a> .collect_vec(); |
| <a href=#273 id=273 data-nosnippet>273</a> x.into_iter().rev() |
| <a href=#274 id=274 data-nosnippet>274</a>} |
| <a href=#275 id=275 data-nosnippet>275</a> |
| <a href=#276 id=276 data-nosnippet>276</a><span class="kw">impl </span>Ctx<<span class="lifetime">'_</span>> { |
| <a href=#277 id=277 data-nosnippet>277</a> <span class="kw">fn </span>apply(<span class="kw-2">&</span><span class="self">self</span>, item: <span class="kw-2">&</span>SyntaxNode) -> SyntaxNode { |
| <a href=#278 id=278 data-nosnippet>278</a> <span class="comment">// `transform_path` may update a node's parent and that would break the |
| <a href=#279 id=279 data-nosnippet>279</a> // tree traversal. Thus all paths in the tree are collected into a vec |
| <a href=#280 id=280 data-nosnippet>280</a> // so that such operation is safe. |
| <a href=#281 id=281 data-nosnippet>281</a> </span><span class="kw">let </span>item = <span class="self">self</span>.transform_path(item).clone_subtree(); |
| <a href=#282 id=282 data-nosnippet>282</a> <span class="kw">let </span><span class="kw-2">mut </span>editor = SyntaxEditor::new(item.clone()); |
| <a href=#283 id=283 data-nosnippet>283</a> preorder_rev(<span class="kw-2">&</span>item).filter_map(ast::Lifetime::cast).for_each(|lifetime| { |
| <a href=#284 id=284 data-nosnippet>284</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(subst) = <span class="self">self</span>.lifetime_substs.get(<span class="kw-2">&</span>lifetime.syntax().text().to_string()) { |
| <a href=#285 id=285 data-nosnippet>285</a> editor |
| <a href=#286 id=286 data-nosnippet>286</a> .replace(lifetime.syntax(), subst.clone_subtree().clone_for_update().syntax()); |
| <a href=#287 id=287 data-nosnippet>287</a> } |
| <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> editor.finish().new_root().clone() |
| <a href=#291 id=291 data-nosnippet>291</a> } |
| <a href=#292 id=292 data-nosnippet>292</a> |
| <a href=#293 id=293 data-nosnippet>293</a> <span class="kw">fn </span>transform_default_values(<span class="kw-2">&mut </span><span class="self">self</span>, defaulted_params: Vec<DefaultedParam>) { |
| <a href=#294 id=294 data-nosnippet>294</a> <span class="comment">// By now the default values are simply copied from where they are declared |
| <a href=#295 id=295 data-nosnippet>295</a> // and should be transformed. As any value is allowed to refer to previous |
| <a href=#296 id=296 data-nosnippet>296</a> // generic (both type and const) parameters, they should be all iterated left-to-right. |
| <a href=#297 id=297 data-nosnippet>297</a> </span><span class="kw">for </span>param <span class="kw">in </span>defaulted_params { |
| <a href=#298 id=298 data-nosnippet>298</a> <span class="kw">let </span>value = <span class="kw">match </span><span class="kw-2">&</span>param { |
| <a href=#299 id=299 data-nosnippet>299</a> Either::Left(k) => <span class="self">self</span>.type_substs.get(k).unwrap().syntax(), |
| <a href=#300 id=300 data-nosnippet>300</a> Either::Right(k) => <span class="self">self</span>.const_substs.get(k).unwrap(), |
| <a href=#301 id=301 data-nosnippet>301</a> }; |
| <a href=#302 id=302 data-nosnippet>302</a> <span class="comment">// `transform_path` may update a node's parent and that would break the |
| <a href=#303 id=303 data-nosnippet>303</a> // tree traversal. Thus all paths in the tree are collected into a vec |
| <a href=#304 id=304 data-nosnippet>304</a> // so that such operation is safe. |
| <a href=#305 id=305 data-nosnippet>305</a> </span><span class="kw">let </span>new_value = <span class="self">self</span>.transform_path(value); |
| <a href=#306 id=306 data-nosnippet>306</a> <span class="kw">match </span>param { |
| <a href=#307 id=307 data-nosnippet>307</a> Either::Left(k) => { |
| <a href=#308 id=308 data-nosnippet>308</a> <span class="self">self</span>.type_substs.insert(k, ast::Type::cast(new_value.clone()).unwrap()); |
| <a href=#309 id=309 data-nosnippet>309</a> } |
| <a href=#310 id=310 data-nosnippet>310</a> Either::Right(k) => { |
| <a href=#311 id=311 data-nosnippet>311</a> <span class="self">self</span>.const_substs.insert(k, new_value.clone()); |
| <a href=#312 id=312 data-nosnippet>312</a> } |
| <a href=#313 id=313 data-nosnippet>313</a> } |
| <a href=#314 id=314 data-nosnippet>314</a> } |
| <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">fn </span>transform_path(<span class="kw-2">&</span><span class="self">self</span>, path: <span class="kw-2">&</span>SyntaxNode) -> SyntaxNode { |
| <a href=#318 id=318 data-nosnippet>318</a> <span class="kw">fn </span>find_child_paths_and_ident_pats( |
| <a href=#319 id=319 data-nosnippet>319</a> root_path: <span class="kw-2">&</span>SyntaxNode, |
| <a href=#320 id=320 data-nosnippet>320</a> ) -> Vec<Either<ast::Path, ast::IdentPat>> { |
| <a href=#321 id=321 data-nosnippet>321</a> <span class="kw">let </span><span class="kw-2">mut </span>result: Vec<Either<ast::Path, ast::IdentPat>> = Vec::new(); |
| <a href=#322 id=322 data-nosnippet>322</a> <span class="kw">for </span>child <span class="kw">in </span>root_path.children() { |
| <a href=#323 id=323 data-nosnippet>323</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(child_path) = ast::Path::cast(child.clone()) { |
| <a href=#324 id=324 data-nosnippet>324</a> result.push(either::Left(child_path)); |
| <a href=#325 id=325 data-nosnippet>325</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(child_ident_pat) = ast::IdentPat::cast(child.clone()) { |
| <a href=#326 id=326 data-nosnippet>326</a> result.push(either::Right(child_ident_pat)); |
| <a href=#327 id=327 data-nosnippet>327</a> } <span class="kw">else </span>{ |
| <a href=#328 id=328 data-nosnippet>328</a> result.extend(find_child_paths_and_ident_pats(<span class="kw-2">&</span>child)); |
| <a href=#329 id=329 data-nosnippet>329</a> } |
| <a href=#330 id=330 data-nosnippet>330</a> } |
| <a href=#331 id=331 data-nosnippet>331</a> result |
| <a href=#332 id=332 data-nosnippet>332</a> } |
| <a href=#333 id=333 data-nosnippet>333</a> |
| <a href=#334 id=334 data-nosnippet>334</a> <span class="kw">let </span>root_path = path.clone_subtree(); |
| <a href=#335 id=335 data-nosnippet>335</a> |
| <a href=#336 id=336 data-nosnippet>336</a> <span class="kw">let </span>result = find_child_paths_and_ident_pats(<span class="kw-2">&</span>root_path); |
| <a href=#337 id=337 data-nosnippet>337</a> <span class="kw">let </span><span class="kw-2">mut </span>editor = SyntaxEditor::new(root_path.clone()); |
| <a href=#338 id=338 data-nosnippet>338</a> <span class="kw">for </span>sub_path <span class="kw">in </span>result { |
| <a href=#339 id=339 data-nosnippet>339</a> <span class="kw">let </span>new = <span class="self">self</span>.transform_path(sub_path.syntax()); |
| <a href=#340 id=340 data-nosnippet>340</a> editor.replace(sub_path.syntax(), new); |
| <a href=#341 id=341 data-nosnippet>341</a> } |
| <a href=#342 id=342 data-nosnippet>342</a> |
| <a href=#343 id=343 data-nosnippet>343</a> <span class="kw">let </span>update_sub_item = editor.finish().new_root().clone().clone_subtree(); |
| <a href=#344 id=344 data-nosnippet>344</a> <span class="kw">let </span>item = find_child_paths_and_ident_pats(<span class="kw-2">&</span>update_sub_item); |
| <a href=#345 id=345 data-nosnippet>345</a> <span class="kw">let </span><span class="kw-2">mut </span>editor = SyntaxEditor::new(update_sub_item); |
| <a href=#346 id=346 data-nosnippet>346</a> <span class="kw">for </span>sub_path <span class="kw">in </span>item { |
| <a href=#347 id=347 data-nosnippet>347</a> <span class="self">self</span>.transform_path_or_ident_pat(<span class="kw-2">&mut </span>editor, <span class="kw-2">&</span>sub_path); |
| <a href=#348 id=348 data-nosnippet>348</a> } |
| <a href=#349 id=349 data-nosnippet>349</a> editor.finish().new_root().clone() |
| <a href=#350 id=350 data-nosnippet>350</a> } |
| <a href=#351 id=351 data-nosnippet>351</a> <span class="kw">fn </span>transform_path_or_ident_pat( |
| <a href=#352 id=352 data-nosnippet>352</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#353 id=353 data-nosnippet>353</a> editor: <span class="kw-2">&mut </span>SyntaxEditor, |
| <a href=#354 id=354 data-nosnippet>354</a> item: <span class="kw-2">&</span>Either<ast::Path, ast::IdentPat>, |
| <a href=#355 id=355 data-nosnippet>355</a> ) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#356 id=356 data-nosnippet>356</a> <span class="kw">match </span>item { |
| <a href=#357 id=357 data-nosnippet>357</a> Either::Left(path) => <span class="self">self</span>.transform_path_(editor, path), |
| <a href=#358 id=358 data-nosnippet>358</a> Either::Right(ident_pat) => <span class="self">self</span>.transform_ident_pat(editor, ident_pat), |
| <a href=#359 id=359 data-nosnippet>359</a> } |
| <a href=#360 id=360 data-nosnippet>360</a> } |
| <a href=#361 id=361 data-nosnippet>361</a> |
| <a href=#362 id=362 data-nosnippet>362</a> <span class="kw">fn </span>transform_path_(<span class="kw-2">&</span><span class="self">self</span>, editor: <span class="kw-2">&mut </span>SyntaxEditor, path: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#363 id=363 data-nosnippet>363</a> <span class="kw">if </span>path.qualifier().is_some() { |
| <a href=#364 id=364 data-nosnippet>364</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#365 id=365 data-nosnippet>365</a> } |
| <a href=#366 id=366 data-nosnippet>366</a> <span class="kw">if </span>path.segment().is_some_and(|s| { |
| <a href=#367 id=367 data-nosnippet>367</a> s.parenthesized_arg_list().is_some() |
| <a href=#368 id=368 data-nosnippet>368</a> || (s.self_token().is_some() && path.parent_path().is_none()) |
| <a href=#369 id=369 data-nosnippet>369</a> }) { |
| <a href=#370 id=370 data-nosnippet>370</a> <span class="comment">// don't try to qualify `Fn(Foo) -> Bar` paths, they are in prelude anyway |
| <a href=#371 id=371 data-nosnippet>371</a> // don't try to qualify sole `self` either, they are usually locals, but are returned as modules due to namespace clashing |
| <a href=#372 id=372 data-nosnippet>372</a> </span><span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#373 id=373 data-nosnippet>373</a> } |
| <a href=#374 id=374 data-nosnippet>374</a> <span class="kw">let </span>resolution = <span class="self">self</span>.source_scope.speculative_resolve(path)<span class="question-mark">?</span>; |
| <a href=#375 id=375 data-nosnippet>375</a> |
| <a href=#376 id=376 data-nosnippet>376</a> <span class="kw">match </span>resolution { |
| <a href=#377 id=377 data-nosnippet>377</a> hir::PathResolution::TypeParam(tp) => { |
| <a href=#378 id=378 data-nosnippet>378</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(subst) = <span class="self">self</span>.type_substs.get(<span class="kw-2">&</span>tp) { |
| <a href=#379 id=379 data-nosnippet>379</a> <span class="kw">let </span>parent = path.syntax().parent()<span class="question-mark">?</span>; |
| <a href=#380 id=380 data-nosnippet>380</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(parent) = ast::Path::cast(parent.clone()) { |
| <a href=#381 id=381 data-nosnippet>381</a> <span class="comment">// Path inside path means that there is an associated |
| <a href=#382 id=382 data-nosnippet>382</a> // type/constant on the type parameter. It is necessary |
| <a href=#383 id=383 data-nosnippet>383</a> // to fully qualify the type with `as Trait`. Even |
| <a href=#384 id=384 data-nosnippet>384</a> // though it might be unnecessary if `subst` is generic |
| <a href=#385 id=385 data-nosnippet>385</a> // type, always fully qualifying the path is safer |
| <a href=#386 id=386 data-nosnippet>386</a> // because of potential clash of associated types from |
| <a href=#387 id=387 data-nosnippet>387</a> // multiple traits |
| <a href=#388 id=388 data-nosnippet>388</a> |
| <a href=#389 id=389 data-nosnippet>389</a> </span><span class="kw">let </span>trait_ref = find_trait_for_assoc_item( |
| <a href=#390 id=390 data-nosnippet>390</a> <span class="self">self</span>.source_scope, |
| <a href=#391 id=391 data-nosnippet>391</a> tp, |
| <a href=#392 id=392 data-nosnippet>392</a> parent.segment()<span class="question-mark">?</span>.name_ref()<span class="question-mark">?</span>, |
| <a href=#393 id=393 data-nosnippet>393</a> ) |
| <a href=#394 id=394 data-nosnippet>394</a> .and_then(|trait_ref| { |
| <a href=#395 id=395 data-nosnippet>395</a> <span class="kw">let </span>cfg = FindPathConfig { |
| <a href=#396 id=396 data-nosnippet>396</a> prefer_no_std: <span class="bool-val">false</span>, |
| <a href=#397 id=397 data-nosnippet>397</a> prefer_prelude: <span class="bool-val">true</span>, |
| <a href=#398 id=398 data-nosnippet>398</a> prefer_absolute: <span class="bool-val">false</span>, |
| <a href=#399 id=399 data-nosnippet>399</a> allow_unstable: <span class="bool-val">true</span>, |
| <a href=#400 id=400 data-nosnippet>400</a> }; |
| <a href=#401 id=401 data-nosnippet>401</a> <span class="kw">let </span>found_path = <span class="self">self</span>.target_module.find_path( |
| <a href=#402 id=402 data-nosnippet>402</a> <span class="self">self</span>.source_scope.db, |
| <a href=#403 id=403 data-nosnippet>403</a> hir::ModuleDef::Trait(trait_ref), |
| <a href=#404 id=404 data-nosnippet>404</a> cfg, |
| <a href=#405 id=405 data-nosnippet>405</a> )<span class="question-mark">?</span>; |
| <a href=#406 id=406 data-nosnippet>406</a> <span class="kw">match </span>make::ty_path(mod_path_to_ast(<span class="kw-2">&</span>found_path, <span class="self">self</span>.target_edition)) { |
| <a href=#407 id=407 data-nosnippet>407</a> ast::Type::PathType(path_ty) => <span class="prelude-val">Some</span>(path_ty), |
| <a href=#408 id=408 data-nosnippet>408</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#409 id=409 data-nosnippet>409</a> } |
| <a href=#410 id=410 data-nosnippet>410</a> }); |
| <a href=#411 id=411 data-nosnippet>411</a> |
| <a href=#412 id=412 data-nosnippet>412</a> <span class="kw">let </span>segment = make::path_segment_ty(subst.clone(), trait_ref); |
| <a href=#413 id=413 data-nosnippet>413</a> <span class="kw">let </span>qualified = make::path_from_segments(std::iter::once(segment), <span class="bool-val">false</span>); |
| <a href=#414 id=414 data-nosnippet>414</a> editor.replace(path.syntax(), qualified.clone_for_update().syntax()); |
| <a href=#415 id=415 data-nosnippet>415</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(path_ty) = ast::PathType::cast(parent) { |
| <a href=#416 id=416 data-nosnippet>416</a> <span class="kw">let </span>old = path_ty.syntax(); |
| <a href=#417 id=417 data-nosnippet>417</a> |
| <a href=#418 id=418 data-nosnippet>418</a> <span class="kw">if </span>old.parent().is_some() { |
| <a href=#419 id=419 data-nosnippet>419</a> editor.replace(old, subst.clone_subtree().clone_for_update().syntax()); |
| <a href=#420 id=420 data-nosnippet>420</a> } <span class="kw">else </span>{ |
| <a href=#421 id=421 data-nosnippet>421</a> <span class="comment">// Some `path_ty` has no parent, especially ones made for default value |
| <a href=#422 id=422 data-nosnippet>422</a> // of type parameters. |
| <a href=#423 id=423 data-nosnippet>423</a> // In this case, `ted` cannot replace `path_ty` with `subst` directly. |
| <a href=#424 id=424 data-nosnippet>424</a> // So, just replace its children as long as the `subst` is the same type. |
| <a href=#425 id=425 data-nosnippet>425</a> </span><span class="kw">let </span>new = subst.clone_subtree().clone_for_update(); |
| <a href=#426 id=426 data-nosnippet>426</a> <span class="kw">if </span>!<span class="macro">matches!</span>(new, ast::Type::PathType(..)) { |
| <a href=#427 id=427 data-nosnippet>427</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#428 id=428 data-nosnippet>428</a> } |
| <a href=#429 id=429 data-nosnippet>429</a> <span class="kw">let </span>start = path_ty.syntax().first_child().map(NodeOrToken::Node)<span class="question-mark">?</span>; |
| <a href=#430 id=430 data-nosnippet>430</a> <span class="kw">let </span>end = path_ty.syntax().last_child().map(NodeOrToken::Node)<span class="question-mark">?</span>; |
| <a href=#431 id=431 data-nosnippet>431</a> editor.replace_all( |
| <a href=#432 id=432 data-nosnippet>432</a> start..=end, |
| <a href=#433 id=433 data-nosnippet>433</a> new.syntax().children().map(NodeOrToken::Node).collect::<Vec<<span class="kw">_</span>>>(), |
| <a href=#434 id=434 data-nosnippet>434</a> ); |
| <a href=#435 id=435 data-nosnippet>435</a> } |
| <a href=#436 id=436 data-nosnippet>436</a> } <span class="kw">else </span>{ |
| <a href=#437 id=437 data-nosnippet>437</a> editor.replace( |
| <a href=#438 id=438 data-nosnippet>438</a> path.syntax(), |
| <a href=#439 id=439 data-nosnippet>439</a> subst.clone_subtree().clone_for_update().syntax(), |
| <a href=#440 id=440 data-nosnippet>440</a> ); |
| <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> } |
| <a href=#444 id=444 data-nosnippet>444</a> hir::PathResolution::Def(def) <span class="kw">if </span>def.as_assoc_item(<span class="self">self</span>.source_scope.db).is_none() => { |
| <a href=#445 id=445 data-nosnippet>445</a> <span class="kw">if let </span>hir::ModuleDef::Trait(<span class="kw">_</span>) = def |
| <a href=#446 id=446 data-nosnippet>446</a> && <span class="macro">matches!</span>(path.segment()<span class="question-mark">?</span>.kind()<span class="question-mark">?</span>, ast::PathSegmentKind::Type { .. }) |
| <a href=#447 id=447 data-nosnippet>447</a> { |
| <a href=#448 id=448 data-nosnippet>448</a> <span class="comment">// `speculative_resolve` resolves segments like `<T as |
| <a href=#449 id=449 data-nosnippet>449</a> // Trait>` into `Trait`, but just the trait name should |
| <a href=#450 id=450 data-nosnippet>450</a> // not be used as the replacement of the original |
| <a href=#451 id=451 data-nosnippet>451</a> // segment. |
| <a href=#452 id=452 data-nosnippet>452</a> </span><span class="kw">return </span><span class="prelude-val">None</span>; |
| <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">let </span>cfg = FindPathConfig { |
| <a href=#456 id=456 data-nosnippet>456</a> prefer_no_std: <span class="bool-val">false</span>, |
| <a href=#457 id=457 data-nosnippet>457</a> prefer_prelude: <span class="bool-val">true</span>, |
| <a href=#458 id=458 data-nosnippet>458</a> prefer_absolute: <span class="bool-val">false</span>, |
| <a href=#459 id=459 data-nosnippet>459</a> allow_unstable: <span class="bool-val">true</span>, |
| <a href=#460 id=460 data-nosnippet>460</a> }; |
| <a href=#461 id=461 data-nosnippet>461</a> <span class="kw">let </span>found_path = <span class="self">self</span>.target_module.find_path(<span class="self">self</span>.source_scope.db, def, cfg)<span class="question-mark">?</span>; |
| <a href=#462 id=462 data-nosnippet>462</a> <span class="kw">let </span>res = mod_path_to_ast(<span class="kw-2">&</span>found_path, <span class="self">self</span>.target_edition).clone_for_update(); |
| <a href=#463 id=463 data-nosnippet>463</a> <span class="kw">let </span><span class="kw-2">mut </span>res_editor = SyntaxEditor::new(res.syntax().clone_subtree()); |
| <a href=#464 id=464 data-nosnippet>464</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(args) = path.segment().and_then(|it| it.generic_arg_list()) |
| <a href=#465 id=465 data-nosnippet>465</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(segment) = res.segment() |
| <a href=#466 id=466 data-nosnippet>466</a> { |
| <a href=#467 id=467 data-nosnippet>467</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(old) = segment.generic_arg_list() { |
| <a href=#468 id=468 data-nosnippet>468</a> res_editor |
| <a href=#469 id=469 data-nosnippet>469</a> .replace(old.syntax(), args.clone_subtree().syntax().clone_for_update()) |
| <a href=#470 id=470 data-nosnippet>470</a> } <span class="kw">else </span>{ |
| <a href=#471 id=471 data-nosnippet>471</a> res_editor.insert( |
| <a href=#472 id=472 data-nosnippet>472</a> syntax_editor::Position::last_child_of(segment.syntax()), |
| <a href=#473 id=473 data-nosnippet>473</a> args.clone_subtree().syntax().clone_for_update(), |
| <a href=#474 id=474 data-nosnippet>474</a> ); |
| <a href=#475 id=475 data-nosnippet>475</a> } |
| <a href=#476 id=476 data-nosnippet>476</a> } |
| <a href=#477 id=477 data-nosnippet>477</a> <span class="kw">let </span>res = res_editor.finish().new_root().clone(); |
| <a href=#478 id=478 data-nosnippet>478</a> editor.replace(path.syntax().clone(), res); |
| <a href=#479 id=479 data-nosnippet>479</a> } |
| <a href=#480 id=480 data-nosnippet>480</a> hir::PathResolution::ConstParam(cp) => { |
| <a href=#481 id=481 data-nosnippet>481</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(subst) = <span class="self">self</span>.const_substs.get(<span class="kw-2">&</span>cp) { |
| <a href=#482 id=482 data-nosnippet>482</a> editor.replace(path.syntax(), subst.clone_subtree().clone_for_update()); |
| <a href=#483 id=483 data-nosnippet>483</a> } |
| <a href=#484 id=484 data-nosnippet>484</a> } |
| <a href=#485 id=485 data-nosnippet>485</a> hir::PathResolution::SelfType(imp) => { |
| <a href=#486 id=486 data-nosnippet>486</a> <span class="comment">// keep Self type if it does not need to be replaced |
| <a href=#487 id=487 data-nosnippet>487</a> </span><span class="kw">if </span><span class="self">self</span>.same_self_type { |
| <a href=#488 id=488 data-nosnippet>488</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#489 id=489 data-nosnippet>489</a> } |
| <a href=#490 id=490 data-nosnippet>490</a> |
| <a href=#491 id=491 data-nosnippet>491</a> <span class="kw">let </span>ty = imp.self_ty(<span class="self">self</span>.source_scope.db); |
| <a href=#492 id=492 data-nosnippet>492</a> <span class="kw">let </span>ty_str = <span class="kw-2">&</span>ty |
| <a href=#493 id=493 data-nosnippet>493</a> .display_source_code( |
| <a href=#494 id=494 data-nosnippet>494</a> <span class="self">self</span>.source_scope.db, |
| <a href=#495 id=495 data-nosnippet>495</a> <span class="self">self</span>.source_scope.module().into(), |
| <a href=#496 id=496 data-nosnippet>496</a> <span class="bool-val">true</span>, |
| <a href=#497 id=497 data-nosnippet>497</a> ) |
| <a href=#498 id=498 data-nosnippet>498</a> .ok()<span class="question-mark">?</span>; |
| <a href=#499 id=499 data-nosnippet>499</a> <span class="kw">let </span>ast_ty = make::ty(ty_str).clone_for_update(); |
| <a href=#500 id=500 data-nosnippet>500</a> |
| <a href=#501 id=501 data-nosnippet>501</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(adt) = ty.as_adt() |
| <a href=#502 id=502 data-nosnippet>502</a> && <span class="kw">let </span>ast::Type::PathType(path_ty) = <span class="kw-2">&</span>ast_ty |
| <a href=#503 id=503 data-nosnippet>503</a> { |
| <a href=#504 id=504 data-nosnippet>504</a> <span class="kw">let </span>cfg = FindPathConfig { |
| <a href=#505 id=505 data-nosnippet>505</a> prefer_no_std: <span class="bool-val">false</span>, |
| <a href=#506 id=506 data-nosnippet>506</a> prefer_prelude: <span class="bool-val">true</span>, |
| <a href=#507 id=507 data-nosnippet>507</a> prefer_absolute: <span class="bool-val">false</span>, |
| <a href=#508 id=508 data-nosnippet>508</a> allow_unstable: <span class="bool-val">true</span>, |
| <a href=#509 id=509 data-nosnippet>509</a> }; |
| <a href=#510 id=510 data-nosnippet>510</a> <span class="kw">let </span>found_path = <span class="self">self</span>.target_module.find_path( |
| <a href=#511 id=511 data-nosnippet>511</a> <span class="self">self</span>.source_scope.db, |
| <a href=#512 id=512 data-nosnippet>512</a> ModuleDef::from(adt), |
| <a href=#513 id=513 data-nosnippet>513</a> cfg, |
| <a href=#514 id=514 data-nosnippet>514</a> )<span class="question-mark">?</span>; |
| <a href=#515 id=515 data-nosnippet>515</a> |
| <a href=#516 id=516 data-nosnippet>516</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(qual) = |
| <a href=#517 id=517 data-nosnippet>517</a> mod_path_to_ast(<span class="kw-2">&</span>found_path, <span class="self">self</span>.target_edition).qualifier() |
| <a href=#518 id=518 data-nosnippet>518</a> { |
| <a href=#519 id=519 data-nosnippet>519</a> <span class="kw">let </span>res = make::path_concat(qual, path_ty.path()<span class="question-mark">?</span>).clone_for_update(); |
| <a href=#520 id=520 data-nosnippet>520</a> editor.replace(path.syntax(), res.syntax()); |
| <a href=#521 id=521 data-nosnippet>521</a> <span class="kw">return </span><span class="prelude-val">Some</span>(()); |
| <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> |
| <a href=#525 id=525 data-nosnippet>525</a> editor.replace(path.syntax(), ast_ty.syntax()); |
| <a href=#526 id=526 data-nosnippet>526</a> } |
| <a href=#527 id=527 data-nosnippet>527</a> hir::PathResolution::Local(<span class="kw">_</span>) |
| <a href=#528 id=528 data-nosnippet>528</a> | hir::PathResolution::Def(<span class="kw">_</span>) |
| <a href=#529 id=529 data-nosnippet>529</a> | hir::PathResolution::BuiltinAttr(<span class="kw">_</span>) |
| <a href=#530 id=530 data-nosnippet>530</a> | hir::PathResolution::ToolModule(<span class="kw">_</span>) |
| <a href=#531 id=531 data-nosnippet>531</a> | hir::PathResolution::DeriveHelper(<span class="kw">_</span>) => (), |
| <a href=#532 id=532 data-nosnippet>532</a> } |
| <a href=#533 id=533 data-nosnippet>533</a> <span class="prelude-val">Some</span>(()) |
| <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">fn </span>transform_ident_pat( |
| <a href=#537 id=537 data-nosnippet>537</a> <span class="kw-2">&</span><span class="self">self</span>, |
| <a href=#538 id=538 data-nosnippet>538</a> editor: <span class="kw-2">&mut </span>SyntaxEditor, |
| <a href=#539 id=539 data-nosnippet>539</a> ident_pat: <span class="kw-2">&</span>ast::IdentPat, |
| <a href=#540 id=540 data-nosnippet>540</a> ) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#541 id=541 data-nosnippet>541</a> <span class="kw">let </span>name = ident_pat.name()<span class="question-mark">?</span>; |
| <a href=#542 id=542 data-nosnippet>542</a> |
| <a href=#543 id=543 data-nosnippet>543</a> <span class="kw">let </span>temp_path = make::path_from_text(<span class="kw-2">&</span>name.text()); |
| <a href=#544 id=544 data-nosnippet>544</a> |
| <a href=#545 id=545 data-nosnippet>545</a> <span class="kw">let </span>resolution = <span class="self">self</span>.source_scope.speculative_resolve(<span class="kw-2">&</span>temp_path)<span class="question-mark">?</span>; |
| <a href=#546 id=546 data-nosnippet>546</a> |
| <a href=#547 id=547 data-nosnippet>547</a> <span class="kw">match </span>resolution { |
| <a href=#548 id=548 data-nosnippet>548</a> hir::PathResolution::Def(def) <span class="kw">if </span>def.as_assoc_item(<span class="self">self</span>.source_scope.db).is_none() => { |
| <a href=#549 id=549 data-nosnippet>549</a> <span class="comment">// Macros cannot be used in pattern position, and identifiers that happen |
| <a href=#550 id=550 data-nosnippet>550</a> // to have the same name as macros (like parameter names `vec`, `format`, etc.) |
| <a href=#551 id=551 data-nosnippet>551</a> // are bindings, not references. Don't qualify them. |
| <a href=#552 id=552 data-nosnippet>552</a> </span><span class="kw">if </span><span class="macro">matches!</span>(def, hir::ModuleDef::Macro(<span class="kw">_</span>)) { |
| <a href=#553 id=553 data-nosnippet>553</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#554 id=554 data-nosnippet>554</a> } |
| <a href=#555 id=555 data-nosnippet>555</a> |
| <a href=#556 id=556 data-nosnippet>556</a> <span class="kw">let </span>cfg = FindPathConfig { |
| <a href=#557 id=557 data-nosnippet>557</a> prefer_no_std: <span class="bool-val">false</span>, |
| <a href=#558 id=558 data-nosnippet>558</a> prefer_prelude: <span class="bool-val">true</span>, |
| <a href=#559 id=559 data-nosnippet>559</a> prefer_absolute: <span class="bool-val">false</span>, |
| <a href=#560 id=560 data-nosnippet>560</a> allow_unstable: <span class="bool-val">true</span>, |
| <a href=#561 id=561 data-nosnippet>561</a> }; |
| <a href=#562 id=562 data-nosnippet>562</a> <span class="kw">let </span>found_path = <span class="self">self</span>.target_module.find_path(<span class="self">self</span>.source_scope.db, def, cfg)<span class="question-mark">?</span>; |
| <a href=#563 id=563 data-nosnippet>563</a> <span class="kw">let </span>res = mod_path_to_ast(<span class="kw-2">&</span>found_path, <span class="self">self</span>.target_edition).clone_for_update(); |
| <a href=#564 id=564 data-nosnippet>564</a> editor.replace(ident_pat.syntax(), res.syntax()); |
| <a href=#565 id=565 data-nosnippet>565</a> <span class="prelude-val">Some</span>(()) |
| <a href=#566 id=566 data-nosnippet>566</a> } |
| <a href=#567 id=567 data-nosnippet>567</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#568 id=568 data-nosnippet>568</a> } |
| <a href=#569 id=569 data-nosnippet>569</a> } |
| <a href=#570 id=570 data-nosnippet>570</a>} |
| <a href=#571 id=571 data-nosnippet>571</a> |
| <a href=#572 id=572 data-nosnippet>572</a><span class="comment">// FIXME: It would probably be nicer if we could get this via HIR (i.e. get the |
| <a href=#573 id=573 data-nosnippet>573</a>// trait ref, and then go from the types in the substs back to the syntax). |
| <a href=#574 id=574 data-nosnippet>574</a></span><span class="kw">fn </span>get_syntactic_substs(impl_def: ast::Impl) -> <span class="prelude-ty">Option</span><AstSubsts> { |
| <a href=#575 id=575 data-nosnippet>575</a> <span class="kw">let </span>target_trait = impl_def.trait_()<span class="question-mark">?</span>; |
| <a href=#576 id=576 data-nosnippet>576</a> <span class="kw">let </span>path_type = <span class="kw">match </span>target_trait { |
| <a href=#577 id=577 data-nosnippet>577</a> ast::Type::PathType(path) => path, |
| <a href=#578 id=578 data-nosnippet>578</a> <span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">None</span>, |
| <a href=#579 id=579 data-nosnippet>579</a> }; |
| <a href=#580 id=580 data-nosnippet>580</a> <span class="kw">let </span>generic_arg_list = path_type.path()<span class="question-mark">?</span>.segment()<span class="question-mark">?</span>.generic_arg_list()<span class="question-mark">?</span>; |
| <a href=#581 id=581 data-nosnippet>581</a> |
| <a href=#582 id=582 data-nosnippet>582</a> get_type_args_from_arg_list(generic_arg_list) |
| <a href=#583 id=583 data-nosnippet>583</a>} |
| <a href=#584 id=584 data-nosnippet>584</a> |
| <a href=#585 id=585 data-nosnippet>585</a><span class="kw">fn </span>get_type_args_from_arg_list(generic_arg_list: ast::GenericArgList) -> <span class="prelude-ty">Option</span><AstSubsts> { |
| <a href=#586 id=586 data-nosnippet>586</a> <span class="kw">let </span><span class="kw-2">mut </span>result = AstSubsts::default(); |
| <a href=#587 id=587 data-nosnippet>587</a> generic_arg_list.generic_args().for_each(|generic_arg| <span class="kw">match </span>generic_arg { |
| <a href=#588 id=588 data-nosnippet>588</a> <span class="comment">// Const params are marked as consts on definition only, |
| <a href=#589 id=589 data-nosnippet>589</a> // being passed to the trait they are indistguishable from type params; |
| <a href=#590 id=590 data-nosnippet>590</a> // anyway, we don't really need to distinguish them here. |
| <a href=#591 id=591 data-nosnippet>591</a> </span>ast::GenericArg::TypeArg(type_arg) => { |
| <a href=#592 id=592 data-nosnippet>592</a> result.types_and_consts.push(TypeOrConst::Either(type_arg)) |
| <a href=#593 id=593 data-nosnippet>593</a> } |
| <a href=#594 id=594 data-nosnippet>594</a> <span class="comment">// Some const values are recognized correctly. |
| <a href=#595 id=595 data-nosnippet>595</a> </span>ast::GenericArg::ConstArg(const_arg) => { |
| <a href=#596 id=596 data-nosnippet>596</a> result.types_and_consts.push(TypeOrConst::Const(const_arg)); |
| <a href=#597 id=597 data-nosnippet>597</a> } |
| <a href=#598 id=598 data-nosnippet>598</a> ast::GenericArg::LifetimeArg(l_arg) => result.lifetimes.push(l_arg), |
| <a href=#599 id=599 data-nosnippet>599</a> <span class="kw">_ </span>=> (), |
| <a href=#600 id=600 data-nosnippet>600</a> }); |
| <a href=#601 id=601 data-nosnippet>601</a> |
| <a href=#602 id=602 data-nosnippet>602</a> <span class="prelude-val">Some</span>(result) |
| <a href=#603 id=603 data-nosnippet>603</a>} |
| <a href=#604 id=604 data-nosnippet>604</a> |
| <a href=#605 id=605 data-nosnippet>605</a><span class="kw">fn </span>find_trait_for_assoc_item( |
| <a href=#606 id=606 data-nosnippet>606</a> scope: <span class="kw-2">&</span>SemanticsScope<<span class="lifetime">'_</span>>, |
| <a href=#607 id=607 data-nosnippet>607</a> type_param: hir::TypeParam, |
| <a href=#608 id=608 data-nosnippet>608</a> assoc_item: ast::NameRef, |
| <a href=#609 id=609 data-nosnippet>609</a>) -> <span class="prelude-ty">Option</span><hir::Trait> { |
| <a href=#610 id=610 data-nosnippet>610</a> <span class="kw">let </span>db = scope.db; |
| <a href=#611 id=611 data-nosnippet>611</a> <span class="kw">let </span>trait_bounds = type_param.trait_bounds(db); |
| <a href=#612 id=612 data-nosnippet>612</a> |
| <a href=#613 id=613 data-nosnippet>613</a> <span class="kw">let </span>assoc_item_name = assoc_item.text(); |
| <a href=#614 id=614 data-nosnippet>614</a> |
| <a href=#615 id=615 data-nosnippet>615</a> <span class="kw">for </span>trait_ <span class="kw">in </span>trait_bounds { |
| <a href=#616 id=616 data-nosnippet>616</a> <span class="kw">let </span>names = trait_.items(db).into_iter().filter_map(|item| <span class="kw">match </span>item { |
| <a href=#617 id=617 data-nosnippet>617</a> hir::AssocItem::TypeAlias(ta) => <span class="prelude-val">Some</span>(ta.name(db)), |
| <a href=#618 id=618 data-nosnippet>618</a> hir::AssocItem::Const(cst) => cst.name(db), |
| <a href=#619 id=619 data-nosnippet>619</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <a href=#620 id=620 data-nosnippet>620</a> }); |
| <a href=#621 id=621 data-nosnippet>621</a> |
| <a href=#622 id=622 data-nosnippet>622</a> <span class="kw">for </span>name <span class="kw">in </span>names { |
| <a href=#623 id=623 data-nosnippet>623</a> <span class="kw">if </span>assoc_item_name.as_str() == name.as_str() { |
| <a href=#624 id=624 data-nosnippet>624</a> <span class="comment">// It is fine to return the first match because in case of |
| <a href=#625 id=625 data-nosnippet>625</a> // multiple possibilities, the exact trait must be disambiguated |
| <a href=#626 id=626 data-nosnippet>626</a> // in the definition of trait being implemented, so this search |
| <a href=#627 id=627 data-nosnippet>627</a> // should not be needed. |
| <a href=#628 id=628 data-nosnippet>628</a> </span><span class="kw">return </span><span class="prelude-val">Some</span>(trait_); |
| <a href=#629 id=629 data-nosnippet>629</a> } |
| <a href=#630 id=630 data-nosnippet>630</a> } |
| <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="prelude-val">None |
| <a href=#634 id=634 data-nosnippet>634</a></span>}</code></pre></div></section></main></body></html> |
