| <!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/syntax/src/ast/edit_in_place.rs`."><title>edit_in_place.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-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="syntax" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.0 (254b59607 2026-01-19)" data-channel="1.93.0" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.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-a410ff4d.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">syntax/ast/</div>edit_in_place.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">//! Structural editing for ast. |
| <a href=#2 id=2 data-nosnippet>2</a> |
| <a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">use </span>std::iter::{empty, once, successors}; |
| <a href=#4 id=4 data-nosnippet>4</a> |
| <a href=#5 id=5 data-nosnippet>5</a><span class="kw">use </span>parser::{SyntaxKind, T}; |
| <a href=#6 id=6 data-nosnippet>6</a> |
| <a href=#7 id=7 data-nosnippet>7</a><span class="kw">use crate</span>::{ |
| <a href=#8 id=8 data-nosnippet>8</a> AstNode, AstToken, Direction, SyntaxElement, |
| <a href=#9 id=9 data-nosnippet>9</a> SyntaxKind::{ATTR, COMMENT, WHITESPACE}, |
| <a href=#10 id=10 data-nosnippet>10</a> SyntaxNode, SyntaxToken, |
| <a href=#11 id=11 data-nosnippet>11</a> algo::{<span class="self">self</span>, neighbor}, |
| <a href=#12 id=12 data-nosnippet>12</a> ast::{<span class="self">self</span>, HasGenericParams, edit::IndentLevel, make}, |
| <a href=#13 id=13 data-nosnippet>13</a> ted::{<span class="self">self</span>, Position}, |
| <a href=#14 id=14 data-nosnippet>14</a>}; |
| <a href=#15 id=15 data-nosnippet>15</a> |
| <a href=#16 id=16 data-nosnippet>16</a><span class="kw">use super</span>::{GenericParam, HasName}; |
| <a href=#17 id=17 data-nosnippet>17</a> |
| <a href=#18 id=18 data-nosnippet>18</a><span class="kw">pub trait </span>GenericParamsOwnerEdit: ast::HasGenericParams { |
| <a href=#19 id=19 data-nosnippet>19</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList; |
| <a href=#20 id=20 data-nosnippet>20</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause; |
| <a href=#21 id=21 data-nosnippet>21</a>} |
| <a href=#22 id=22 data-nosnippet>22</a> |
| <a href=#23 id=23 data-nosnippet>23</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::Fn { |
| <a href=#24 id=24 data-nosnippet>24</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#25 id=25 data-nosnippet>25</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#26 id=26 data-nosnippet>26</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#27 id=27 data-nosnippet>27</a> <span class="prelude-val">None </span>=> { |
| <a href=#28 id=28 data-nosnippet>28</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#29 id=29 data-nosnippet>29</a> Position::after(name.syntax) |
| <a href=#30 id=30 data-nosnippet>30</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(fn_token) = <span class="self">self</span>.fn_token() { |
| <a href=#31 id=31 data-nosnippet>31</a> Position::after(fn_token) |
| <a href=#32 id=32 data-nosnippet>32</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(param_list) = <span class="self">self</span>.param_list() { |
| <a href=#33 id=33 data-nosnippet>33</a> Position::before(param_list.syntax) |
| <a href=#34 id=34 data-nosnippet>34</a> } <span class="kw">else </span>{ |
| <a href=#35 id=35 data-nosnippet>35</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#36 id=36 data-nosnippet>36</a> }; |
| <a href=#37 id=37 data-nosnippet>37</a> create_generic_param_list(position) |
| <a href=#38 id=38 data-nosnippet>38</a> } |
| <a href=#39 id=39 data-nosnippet>39</a> } |
| <a href=#40 id=40 data-nosnippet>40</a> } |
| <a href=#41 id=41 data-nosnippet>41</a> |
| <a href=#42 id=42 data-nosnippet>42</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#43 id=43 data-nosnippet>43</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#44 id=44 data-nosnippet>44</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(ty) = <span class="self">self</span>.ret_type() { |
| <a href=#45 id=45 data-nosnippet>45</a> Position::after(ty.syntax()) |
| <a href=#46 id=46 data-nosnippet>46</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(param_list) = <span class="self">self</span>.param_list() { |
| <a href=#47 id=47 data-nosnippet>47</a> Position::after(param_list.syntax()) |
| <a href=#48 id=48 data-nosnippet>48</a> } <span class="kw">else </span>{ |
| <a href=#49 id=49 data-nosnippet>49</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#50 id=50 data-nosnippet>50</a> }; |
| <a href=#51 id=51 data-nosnippet>51</a> create_where_clause(position); |
| <a href=#52 id=52 data-nosnippet>52</a> } |
| <a href=#53 id=53 data-nosnippet>53</a> <span class="self">self</span>.where_clause().unwrap() |
| <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> |
| <a href=#57 id=57 data-nosnippet>57</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::Impl { |
| <a href=#58 id=58 data-nosnippet>58</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#59 id=59 data-nosnippet>59</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#60 id=60 data-nosnippet>60</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#61 id=61 data-nosnippet>61</a> <span class="prelude-val">None </span>=> { |
| <a href=#62 id=62 data-nosnippet>62</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.impl_token() { |
| <a href=#63 id=63 data-nosnippet>63</a> <span class="prelude-val">Some</span>(imp_token) => Position::after(imp_token), |
| <a href=#64 id=64 data-nosnippet>64</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#65 id=65 data-nosnippet>65</a> }; |
| <a href=#66 id=66 data-nosnippet>66</a> create_generic_param_list(position) |
| <a href=#67 id=67 data-nosnippet>67</a> } |
| <a href=#68 id=68 data-nosnippet>68</a> } |
| <a href=#69 id=69 data-nosnippet>69</a> } |
| <a href=#70 id=70 data-nosnippet>70</a> |
| <a href=#71 id=71 data-nosnippet>71</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#72 id=72 data-nosnippet>72</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#73 id=73 data-nosnippet>73</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.assoc_item_list() { |
| <a href=#74 id=74 data-nosnippet>74</a> <span class="prelude-val">Some</span>(items) => Position::before(items.syntax()), |
| <a href=#75 id=75 data-nosnippet>75</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#76 id=76 data-nosnippet>76</a> }; |
| <a href=#77 id=77 data-nosnippet>77</a> create_where_clause(position); |
| <a href=#78 id=78 data-nosnippet>78</a> } |
| <a href=#79 id=79 data-nosnippet>79</a> <span class="self">self</span>.where_clause().unwrap() |
| <a href=#80 id=80 data-nosnippet>80</a> } |
| <a href=#81 id=81 data-nosnippet>81</a>} |
| <a href=#82 id=82 data-nosnippet>82</a> |
| <a href=#83 id=83 data-nosnippet>83</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::Trait { |
| <a href=#84 id=84 data-nosnippet>84</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#85 id=85 data-nosnippet>85</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#86 id=86 data-nosnippet>86</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#87 id=87 data-nosnippet>87</a> <span class="prelude-val">None </span>=> { |
| <a href=#88 id=88 data-nosnippet>88</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#89 id=89 data-nosnippet>89</a> Position::after(name.syntax) |
| <a href=#90 id=90 data-nosnippet>90</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(trait_token) = <span class="self">self</span>.trait_token() { |
| <a href=#91 id=91 data-nosnippet>91</a> Position::after(trait_token) |
| <a href=#92 id=92 data-nosnippet>92</a> } <span class="kw">else </span>{ |
| <a href=#93 id=93 data-nosnippet>93</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#94 id=94 data-nosnippet>94</a> }; |
| <a href=#95 id=95 data-nosnippet>95</a> create_generic_param_list(position) |
| <a href=#96 id=96 data-nosnippet>96</a> } |
| <a href=#97 id=97 data-nosnippet>97</a> } |
| <a href=#98 id=98 data-nosnippet>98</a> } |
| <a href=#99 id=99 data-nosnippet>99</a> |
| <a href=#100 id=100 data-nosnippet>100</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#101 id=101 data-nosnippet>101</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#102 id=102 data-nosnippet>102</a> <span class="kw">let </span>position = <span class="kw">match </span>(<span class="self">self</span>.assoc_item_list(), <span class="self">self</span>.semicolon_token()) { |
| <a href=#103 id=103 data-nosnippet>103</a> (<span class="prelude-val">Some</span>(items), <span class="kw">_</span>) => Position::before(items.syntax()), |
| <a href=#104 id=104 data-nosnippet>104</a> (<span class="kw">_</span>, <span class="prelude-val">Some</span>(tok)) => Position::before(tok), |
| <a href=#105 id=105 data-nosnippet>105</a> (<span class="prelude-val">None</span>, <span class="prelude-val">None</span>) => Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#106 id=106 data-nosnippet>106</a> }; |
| <a href=#107 id=107 data-nosnippet>107</a> create_where_clause(position); |
| <a href=#108 id=108 data-nosnippet>108</a> } |
| <a href=#109 id=109 data-nosnippet>109</a> <span class="self">self</span>.where_clause().unwrap() |
| <a href=#110 id=110 data-nosnippet>110</a> } |
| <a href=#111 id=111 data-nosnippet>111</a>} |
| <a href=#112 id=112 data-nosnippet>112</a> |
| <a href=#113 id=113 data-nosnippet>113</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::TypeAlias { |
| <a href=#114 id=114 data-nosnippet>114</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#115 id=115 data-nosnippet>115</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#116 id=116 data-nosnippet>116</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#117 id=117 data-nosnippet>117</a> <span class="prelude-val">None </span>=> { |
| <a href=#118 id=118 data-nosnippet>118</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#119 id=119 data-nosnippet>119</a> Position::after(name.syntax) |
| <a href=#120 id=120 data-nosnippet>120</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(trait_token) = <span class="self">self</span>.type_token() { |
| <a href=#121 id=121 data-nosnippet>121</a> Position::after(trait_token) |
| <a href=#122 id=122 data-nosnippet>122</a> } <span class="kw">else </span>{ |
| <a href=#123 id=123 data-nosnippet>123</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#124 id=124 data-nosnippet>124</a> }; |
| <a href=#125 id=125 data-nosnippet>125</a> create_generic_param_list(position) |
| <a href=#126 id=126 data-nosnippet>126</a> } |
| <a href=#127 id=127 data-nosnippet>127</a> } |
| <a href=#128 id=128 data-nosnippet>128</a> } |
| <a href=#129 id=129 data-nosnippet>129</a> |
| <a href=#130 id=130 data-nosnippet>130</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#131 id=131 data-nosnippet>131</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#132 id=132 data-nosnippet>132</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.eq_token() { |
| <a href=#133 id=133 data-nosnippet>133</a> <span class="prelude-val">Some</span>(tok) => Position::before(tok), |
| <a href=#134 id=134 data-nosnippet>134</a> <span class="prelude-val">None </span>=> <span class="kw">match </span><span class="self">self</span>.semicolon_token() { |
| <a href=#135 id=135 data-nosnippet>135</a> <span class="prelude-val">Some</span>(tok) => Position::before(tok), |
| <a href=#136 id=136 data-nosnippet>136</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#137 id=137 data-nosnippet>137</a> }, |
| <a href=#138 id=138 data-nosnippet>138</a> }; |
| <a href=#139 id=139 data-nosnippet>139</a> create_where_clause(position); |
| <a href=#140 id=140 data-nosnippet>140</a> } |
| <a href=#141 id=141 data-nosnippet>141</a> <span class="self">self</span>.where_clause().unwrap() |
| <a href=#142 id=142 data-nosnippet>142</a> } |
| <a href=#143 id=143 data-nosnippet>143</a>} |
| <a href=#144 id=144 data-nosnippet>144</a> |
| <a href=#145 id=145 data-nosnippet>145</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::Struct { |
| <a href=#146 id=146 data-nosnippet>146</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#147 id=147 data-nosnippet>147</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#148 id=148 data-nosnippet>148</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#149 id=149 data-nosnippet>149</a> <span class="prelude-val">None </span>=> { |
| <a href=#150 id=150 data-nosnippet>150</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#151 id=151 data-nosnippet>151</a> Position::after(name.syntax) |
| <a href=#152 id=152 data-nosnippet>152</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(struct_token) = <span class="self">self</span>.struct_token() { |
| <a href=#153 id=153 data-nosnippet>153</a> Position::after(struct_token) |
| <a href=#154 id=154 data-nosnippet>154</a> } <span class="kw">else </span>{ |
| <a href=#155 id=155 data-nosnippet>155</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#156 id=156 data-nosnippet>156</a> }; |
| <a href=#157 id=157 data-nosnippet>157</a> create_generic_param_list(position) |
| <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> |
| <a href=#162 id=162 data-nosnippet>162</a> <span class="kw">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#163 id=163 data-nosnippet>163</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#164 id=164 data-nosnippet>164</a> <span class="kw">let </span>tfl = <span class="self">self</span>.field_list().and_then(|fl| <span class="kw">match </span>fl { |
| <a href=#165 id=165 data-nosnippet>165</a> ast::FieldList::RecordFieldList(<span class="kw">_</span>) => <span class="prelude-val">None</span>, |
| <a href=#166 id=166 data-nosnippet>166</a> ast::FieldList::TupleFieldList(it) => <span class="prelude-val">Some</span>(it), |
| <a href=#167 id=167 data-nosnippet>167</a> }); |
| <a href=#168 id=168 data-nosnippet>168</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(tfl) = tfl { |
| <a href=#169 id=169 data-nosnippet>169</a> Position::after(tfl.syntax()) |
| <a href=#170 id=170 data-nosnippet>170</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(gpl) = <span class="self">self</span>.generic_param_list() { |
| <a href=#171 id=171 data-nosnippet>171</a> Position::after(gpl.syntax()) |
| <a href=#172 id=172 data-nosnippet>172</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#173 id=173 data-nosnippet>173</a> Position::after(name.syntax()) |
| <a href=#174 id=174 data-nosnippet>174</a> } <span class="kw">else </span>{ |
| <a href=#175 id=175 data-nosnippet>175</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#176 id=176 data-nosnippet>176</a> }; |
| <a href=#177 id=177 data-nosnippet>177</a> create_where_clause(position); |
| <a href=#178 id=178 data-nosnippet>178</a> } |
| <a href=#179 id=179 data-nosnippet>179</a> <span class="self">self</span>.where_clause().unwrap() |
| <a href=#180 id=180 data-nosnippet>180</a> } |
| <a href=#181 id=181 data-nosnippet>181</a>} |
| <a href=#182 id=182 data-nosnippet>182</a> |
| <a href=#183 id=183 data-nosnippet>183</a><span class="kw">impl </span>GenericParamsOwnerEdit <span class="kw">for </span>ast::Enum { |
| <a href=#184 id=184 data-nosnippet>184</a> <span class="kw">fn </span>get_or_create_generic_param_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericParamList { |
| <a href=#185 id=185 data-nosnippet>185</a> <span class="kw">match </span><span class="self">self</span>.generic_param_list() { |
| <a href=#186 id=186 data-nosnippet>186</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#187 id=187 data-nosnippet>187</a> <span class="prelude-val">None </span>=> { |
| <a href=#188 id=188 data-nosnippet>188</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#189 id=189 data-nosnippet>189</a> Position::after(name.syntax) |
| <a href=#190 id=190 data-nosnippet>190</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(enum_token) = <span class="self">self</span>.enum_token() { |
| <a href=#191 id=191 data-nosnippet>191</a> Position::after(enum_token) |
| <a href=#192 id=192 data-nosnippet>192</a> } <span class="kw">else </span>{ |
| <a href=#193 id=193 data-nosnippet>193</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#194 id=194 data-nosnippet>194</a> }; |
| <a href=#195 id=195 data-nosnippet>195</a> create_generic_param_list(position) |
| <a href=#196 id=196 data-nosnippet>196</a> } |
| <a href=#197 id=197 data-nosnippet>197</a> } |
| <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">fn </span>get_or_create_where_clause(<span class="kw-2">&</span><span class="self">self</span>) -> ast::WhereClause { |
| <a href=#201 id=201 data-nosnippet>201</a> <span class="kw">if </span><span class="self">self</span>.where_clause().is_none() { |
| <a href=#202 id=202 data-nosnippet>202</a> <span class="kw">let </span>position = <span class="kw">if let </span><span class="prelude-val">Some</span>(gpl) = <span class="self">self</span>.generic_param_list() { |
| <a href=#203 id=203 data-nosnippet>203</a> Position::after(gpl.syntax()) |
| <a href=#204 id=204 data-nosnippet>204</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(name) = <span class="self">self</span>.name() { |
| <a href=#205 id=205 data-nosnippet>205</a> Position::after(name.syntax()) |
| <a href=#206 id=206 data-nosnippet>206</a> } <span class="kw">else </span>{ |
| <a href=#207 id=207 data-nosnippet>207</a> Position::last_child_of(<span class="self">self</span>.syntax()) |
| <a href=#208 id=208 data-nosnippet>208</a> }; |
| <a href=#209 id=209 data-nosnippet>209</a> create_where_clause(position); |
| <a href=#210 id=210 data-nosnippet>210</a> } |
| <a href=#211 id=211 data-nosnippet>211</a> <span class="self">self</span>.where_clause().unwrap() |
| <a href=#212 id=212 data-nosnippet>212</a> } |
| <a href=#213 id=213 data-nosnippet>213</a>} |
| <a href=#214 id=214 data-nosnippet>214</a> |
| <a href=#215 id=215 data-nosnippet>215</a><span class="kw">fn </span>create_where_clause(position: Position) { |
| <a href=#216 id=216 data-nosnippet>216</a> <span class="kw">let </span>where_clause = make::where_clause(empty()).clone_for_update(); |
| <a href=#217 id=217 data-nosnippet>217</a> ted::insert(position, where_clause.syntax()); |
| <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><span class="kw">fn </span>create_generic_param_list(position: Position) -> ast::GenericParamList { |
| <a href=#221 id=221 data-nosnippet>221</a> <span class="kw">let </span>gpl = make::generic_param_list(empty()).clone_for_update(); |
| <a href=#222 id=222 data-nosnippet>222</a> ted::insert_raw(position, gpl.syntax()); |
| <a href=#223 id=223 data-nosnippet>223</a> gpl |
| <a href=#224 id=224 data-nosnippet>224</a>} |
| <a href=#225 id=225 data-nosnippet>225</a> |
| <a href=#226 id=226 data-nosnippet>226</a><span class="kw">pub trait </span>AttrsOwnerEdit: ast::HasAttrs { |
| <a href=#227 id=227 data-nosnippet>227</a> <span class="kw">fn </span>remove_attrs_and_docs(<span class="kw-2">&</span><span class="self">self</span>) { |
| <a href=#228 id=228 data-nosnippet>228</a> remove_attrs_and_docs(<span class="self">self</span>.syntax()); |
| <a href=#229 id=229 data-nosnippet>229</a> |
| <a href=#230 id=230 data-nosnippet>230</a> <span class="kw">fn </span>remove_attrs_and_docs(node: <span class="kw-2">&</span>SyntaxNode) { |
| <a href=#231 id=231 data-nosnippet>231</a> <span class="kw">let </span><span class="kw-2">mut </span>remove_next_ws = <span class="bool-val">false</span>; |
| <a href=#232 id=232 data-nosnippet>232</a> <span class="kw">for </span>child <span class="kw">in </span>node.children_with_tokens() { |
| <a href=#233 id=233 data-nosnippet>233</a> <span class="kw">match </span>child.kind() { |
| <a href=#234 id=234 data-nosnippet>234</a> ATTR | COMMENT => { |
| <a href=#235 id=235 data-nosnippet>235</a> remove_next_ws = <span class="bool-val">true</span>; |
| <a href=#236 id=236 data-nosnippet>236</a> child.detach(); |
| <a href=#237 id=237 data-nosnippet>237</a> <span class="kw">continue</span>; |
| <a href=#238 id=238 data-nosnippet>238</a> } |
| <a href=#239 id=239 data-nosnippet>239</a> WHITESPACE <span class="kw">if </span>remove_next_ws => { |
| <a href=#240 id=240 data-nosnippet>240</a> child.detach(); |
| <a href=#241 id=241 data-nosnippet>241</a> } |
| <a href=#242 id=242 data-nosnippet>242</a> <span class="kw">_ </span>=> (), |
| <a href=#243 id=243 data-nosnippet>243</a> } |
| <a href=#244 id=244 data-nosnippet>244</a> remove_next_ws = <span class="bool-val">false</span>; |
| <a href=#245 id=245 data-nosnippet>245</a> } |
| <a href=#246 id=246 data-nosnippet>246</a> } |
| <a href=#247 id=247 data-nosnippet>247</a> } |
| <a href=#248 id=248 data-nosnippet>248</a>} |
| <a href=#249 id=249 data-nosnippet>249</a> |
| <a href=#250 id=250 data-nosnippet>250</a><span class="kw">impl</span><T: ast::HasAttrs> AttrsOwnerEdit <span class="kw">for </span>T {} |
| <a href=#251 id=251 data-nosnippet>251</a> |
| <a href=#252 id=252 data-nosnippet>252</a><span class="kw">impl </span>ast::GenericParamList { |
| <a href=#253 id=253 data-nosnippet>253</a> <span class="kw">pub fn </span>add_generic_param(<span class="kw-2">&</span><span class="self">self</span>, generic_param: ast::GenericParam) { |
| <a href=#254 id=254 data-nosnippet>254</a> <span class="kw">match </span><span class="self">self</span>.generic_params().last() { |
| <a href=#255 id=255 data-nosnippet>255</a> <span class="prelude-val">Some</span>(last_param) => { |
| <a href=#256 id=256 data-nosnippet>256</a> <span class="kw">let </span>position = Position::after(last_param.syntax()); |
| <a href=#257 id=257 data-nosnippet>257</a> <span class="kw">let </span>elements = <span class="macro">vec!</span>[ |
| <a href=#258 id=258 data-nosnippet>258</a> make::token(<span class="macro">T!</span>[,]).into(), |
| <a href=#259 id=259 data-nosnippet>259</a> make::tokens::single_space().into(), |
| <a href=#260 id=260 data-nosnippet>260</a> generic_param.syntax().clone().into(), |
| <a href=#261 id=261 data-nosnippet>261</a> ]; |
| <a href=#262 id=262 data-nosnippet>262</a> ted::insert_all(position, elements); |
| <a href=#263 id=263 data-nosnippet>263</a> } |
| <a href=#264 id=264 data-nosnippet>264</a> <span class="prelude-val">None </span>=> { |
| <a href=#265 id=265 data-nosnippet>265</a> <span class="kw">let </span>after_l_angle = Position::after(<span class="self">self</span>.l_angle_token().unwrap()); |
| <a href=#266 id=266 data-nosnippet>266</a> ted::insert(after_l_angle, generic_param.syntax()); |
| <a href=#267 id=267 data-nosnippet>267</a> } |
| <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> |
| <a href=#271 id=271 data-nosnippet>271</a> <span class="doccomment">/// Removes the existing generic param |
| <a href=#272 id=272 data-nosnippet>272</a> </span><span class="kw">pub fn </span>remove_generic_param(<span class="kw-2">&</span><span class="self">self</span>, generic_param: ast::GenericParam) { |
| <a href=#273 id=273 data-nosnippet>273</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(previous) = generic_param.syntax().prev_sibling() { |
| <a href=#274 id=274 data-nosnippet>274</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_token) = previous.next_sibling_or_token() { |
| <a href=#275 id=275 data-nosnippet>275</a> ted::remove_all(next_token..=generic_param.syntax().clone().into()); |
| <a href=#276 id=276 data-nosnippet>276</a> } |
| <a href=#277 id=277 data-nosnippet>277</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(next) = generic_param.syntax().next_sibling() { |
| <a href=#278 id=278 data-nosnippet>278</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_token) = next.prev_sibling_or_token() { |
| <a href=#279 id=279 data-nosnippet>279</a> ted::remove_all(generic_param.syntax().clone().into()..=next_token); |
| <a href=#280 id=280 data-nosnippet>280</a> } |
| <a href=#281 id=281 data-nosnippet>281</a> } <span class="kw">else </span>{ |
| <a href=#282 id=282 data-nosnippet>282</a> ted::remove(generic_param.syntax()); |
| <a href=#283 id=283 data-nosnippet>283</a> } |
| <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="doccomment">/// Find the params corresponded to generic arg |
| <a href=#287 id=287 data-nosnippet>287</a> </span><span class="kw">pub fn </span>find_generic_arg(<span class="kw-2">&</span><span class="self">self</span>, generic_arg: <span class="kw-2">&</span>ast::GenericArg) -> <span class="prelude-ty">Option</span><GenericParam> { |
| <a href=#288 id=288 data-nosnippet>288</a> <span class="self">self</span>.generic_params().find_map(<span class="kw">move </span>|param| <span class="kw">match </span>(<span class="kw-2">&</span>param, <span class="kw-2">&</span>generic_arg) { |
| <a href=#289 id=289 data-nosnippet>289</a> (ast::GenericParam::LifetimeParam(a), ast::GenericArg::LifetimeArg(b)) => { |
| <a href=#290 id=290 data-nosnippet>290</a> (a.lifetime()<span class="question-mark">?</span>.lifetime_ident_token()<span class="question-mark">?</span>.text() |
| <a href=#291 id=291 data-nosnippet>291</a> == b.lifetime()<span class="question-mark">?</span>.lifetime_ident_token()<span class="question-mark">?</span>.text()) |
| <a href=#292 id=292 data-nosnippet>292</a> .then_some(param) |
| <a href=#293 id=293 data-nosnippet>293</a> } |
| <a href=#294 id=294 data-nosnippet>294</a> (ast::GenericParam::TypeParam(a), ast::GenericArg::TypeArg(b)) => { |
| <a href=#295 id=295 data-nosnippet>295</a> <span class="macro">debug_assert_eq!</span>(b.syntax().first_token(), b.syntax().last_token()); |
| <a href=#296 id=296 data-nosnippet>296</a> (a.name()<span class="question-mark">?</span>.text() == b.syntax().first_token()<span class="question-mark">?</span>.text()).then_some(param) |
| <a href=#297 id=297 data-nosnippet>297</a> } |
| <a href=#298 id=298 data-nosnippet>298</a> (ast::GenericParam::ConstParam(a), ast::GenericArg::TypeArg(b)) => { |
| <a href=#299 id=299 data-nosnippet>299</a> <span class="macro">debug_assert_eq!</span>(b.syntax().first_token(), b.syntax().last_token()); |
| <a href=#300 id=300 data-nosnippet>300</a> (a.name()<span class="question-mark">?</span>.text() == b.syntax().first_token()<span class="question-mark">?</span>.text()).then_some(param) |
| <a href=#301 id=301 data-nosnippet>301</a> } |
| <a href=#302 id=302 data-nosnippet>302</a> <span class="kw">_ </span>=> <span class="prelude-val">None</span>, |
| <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> |
| <a href=#306 id=306 data-nosnippet>306</a> <span class="doccomment">/// Removes the corresponding generic arg |
| <a href=#307 id=307 data-nosnippet>307</a> </span><span class="kw">pub fn </span>remove_generic_arg(<span class="kw-2">&</span><span class="self">self</span>, generic_arg: <span class="kw-2">&</span>ast::GenericArg) { |
| <a href=#308 id=308 data-nosnippet>308</a> <span class="kw">let </span>param_to_remove = <span class="self">self</span>.find_generic_arg(generic_arg); |
| <a href=#309 id=309 data-nosnippet>309</a> |
| <a href=#310 id=310 data-nosnippet>310</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(param) = <span class="kw-2">&</span>param_to_remove { |
| <a href=#311 id=311 data-nosnippet>311</a> <span class="self">self</span>.remove_generic_param(param.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> <span class="doccomment">/// Constructs a matching [`ast::GenericArgList`] |
| <a href=#316 id=316 data-nosnippet>316</a> </span><span class="kw">pub fn </span>to_generic_args(<span class="kw-2">&</span><span class="self">self</span>) -> ast::GenericArgList { |
| <a href=#317 id=317 data-nosnippet>317</a> <span class="kw">let </span>args = <span class="self">self</span>.generic_params().filter_map(|param| <span class="kw">match </span>param { |
| <a href=#318 id=318 data-nosnippet>318</a> ast::GenericParam::LifetimeParam(it) => { |
| <a href=#319 id=319 data-nosnippet>319</a> <span class="prelude-val">Some</span>(ast::GenericArg::LifetimeArg(make::lifetime_arg(it.lifetime()<span class="question-mark">?</span>))) |
| <a href=#320 id=320 data-nosnippet>320</a> } |
| <a href=#321 id=321 data-nosnippet>321</a> ast::GenericParam::TypeParam(it) => { |
| <a href=#322 id=322 data-nosnippet>322</a> <span class="prelude-val">Some</span>(ast::GenericArg::TypeArg(make::type_arg(make::ext::ty_name(it.name()<span class="question-mark">?</span>)))) |
| <a href=#323 id=323 data-nosnippet>323</a> } |
| <a href=#324 id=324 data-nosnippet>324</a> ast::GenericParam::ConstParam(it) => { |
| <a href=#325 id=325 data-nosnippet>325</a> <span class="comment">// Name-only const params get parsed as `TypeArg`s |
| <a href=#326 id=326 data-nosnippet>326</a> </span><span class="prelude-val">Some</span>(ast::GenericArg::TypeArg(make::type_arg(make::ext::ty_name(it.name()<span class="question-mark">?</span>)))) |
| <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> |
| <a href=#330 id=330 data-nosnippet>330</a> make::generic_arg_list(args) |
| <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> |
| <a href=#334 id=334 data-nosnippet>334</a><span class="kw">impl </span>ast::WhereClause { |
| <a href=#335 id=335 data-nosnippet>335</a> <span class="kw">pub fn </span>add_predicate(<span class="kw-2">&</span><span class="self">self</span>, predicate: ast::WherePred) { |
| <a href=#336 id=336 data-nosnippet>336</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(pred) = <span class="self">self</span>.predicates().last() |
| <a href=#337 id=337 data-nosnippet>337</a> && !pred.syntax().siblings_with_tokens(Direction::Next).any(|it| it.kind() == <span class="macro">T!</span>[,]) |
| <a href=#338 id=338 data-nosnippet>338</a> { |
| <a href=#339 id=339 data-nosnippet>339</a> ted::append_child_raw(<span class="self">self</span>.syntax(), make::token(<span class="macro">T!</span>[,])); |
| <a href=#340 id=340 data-nosnippet>340</a> } |
| <a href=#341 id=341 data-nosnippet>341</a> ted::append_child(<span class="self">self</span>.syntax(), predicate.syntax()); |
| <a href=#342 id=342 data-nosnippet>342</a> } |
| <a href=#343 id=343 data-nosnippet>343</a> |
| <a href=#344 id=344 data-nosnippet>344</a> <span class="kw">pub fn </span>remove_predicate(<span class="kw-2">&</span><span class="self">self</span>, predicate: ast::WherePred) { |
| <a href=#345 id=345 data-nosnippet>345</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(previous) = predicate.syntax().prev_sibling() { |
| <a href=#346 id=346 data-nosnippet>346</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_token) = previous.next_sibling_or_token() { |
| <a href=#347 id=347 data-nosnippet>347</a> ted::remove_all(next_token..=predicate.syntax().clone().into()); |
| <a href=#348 id=348 data-nosnippet>348</a> } |
| <a href=#349 id=349 data-nosnippet>349</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(next) = predicate.syntax().next_sibling() { |
| <a href=#350 id=350 data-nosnippet>350</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_token) = next.prev_sibling_or_token() { |
| <a href=#351 id=351 data-nosnippet>351</a> ted::remove_all(predicate.syntax().clone().into()..=next_token); |
| <a href=#352 id=352 data-nosnippet>352</a> } |
| <a href=#353 id=353 data-nosnippet>353</a> } <span class="kw">else </span>{ |
| <a href=#354 id=354 data-nosnippet>354</a> ted::remove(predicate.syntax()); |
| <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> |
| <a href=#359 id=359 data-nosnippet>359</a><span class="kw">pub trait </span>Removable: AstNode { |
| <a href=#360 id=360 data-nosnippet>360</a> <span class="kw">fn </span>remove(<span class="kw-2">&</span><span class="self">self</span>); |
| <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">impl </span>Removable <span class="kw">for </span>ast::TypeBoundList { |
| <a href=#364 id=364 data-nosnippet>364</a> <span class="kw">fn </span>remove(<span class="kw-2">&</span><span class="self">self</span>) { |
| <a href=#365 id=365 data-nosnippet>365</a> <span class="kw">match </span><span class="self">self</span>.syntax().siblings_with_tokens(Direction::Prev).find(|it| it.kind() == <span class="macro">T!</span>[:]) { |
| <a href=#366 id=366 data-nosnippet>366</a> <span class="prelude-val">Some</span>(colon) => ted::remove_all(colon..=<span class="self">self</span>.syntax().clone().into()), |
| <a href=#367 id=367 data-nosnippet>367</a> <span class="prelude-val">None </span>=> ted::remove(<span class="self">self</span>.syntax()), |
| <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>} |
| <a href=#371 id=371 data-nosnippet>371</a> |
| <a href=#372 id=372 data-nosnippet>372</a><span class="kw">impl </span>Removable <span class="kw">for </span>ast::UseTree { |
| <a href=#373 id=373 data-nosnippet>373</a> <span class="kw">fn </span>remove(<span class="kw-2">&</span><span class="self">self</span>) { |
| <a href=#374 id=374 data-nosnippet>374</a> <span class="kw">for </span>dir <span class="kw">in </span>[Direction::Next, Direction::Prev] { |
| <a href=#375 id=375 data-nosnippet>375</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_use_tree) = neighbor(<span class="self">self</span>, dir) { |
| <a href=#376 id=376 data-nosnippet>376</a> <span class="kw">let </span>separators = <span class="self">self |
| <a href=#377 id=377 data-nosnippet>377</a> </span>.syntax() |
| <a href=#378 id=378 data-nosnippet>378</a> .siblings_with_tokens(dir) |
| <a href=#379 id=379 data-nosnippet>379</a> .skip(<span class="number">1</span>) |
| <a href=#380 id=380 data-nosnippet>380</a> .take_while(|it| it.as_node() != <span class="prelude-val">Some</span>(next_use_tree.syntax())); |
| <a href=#381 id=381 data-nosnippet>381</a> ted::remove_all_iter(separators); |
| <a href=#382 id=382 data-nosnippet>382</a> <span class="kw">break</span>; |
| <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> ted::remove(<span class="self">self</span>.syntax()); |
| <a href=#386 id=386 data-nosnippet>386</a> } |
| <a href=#387 id=387 data-nosnippet>387</a>} |
| <a href=#388 id=388 data-nosnippet>388</a> |
| <a href=#389 id=389 data-nosnippet>389</a><span class="kw">impl </span>ast::UseTree { |
| <a href=#390 id=390 data-nosnippet>390</a> <span class="doccomment">/// Deletes the usetree node represented by the input. Recursively removes parents, including use nodes that become empty. |
| <a href=#391 id=391 data-nosnippet>391</a> </span><span class="kw">pub fn </span>remove_recursive(<span class="self">self</span>) { |
| <a href=#392 id=392 data-nosnippet>392</a> <span class="kw">let </span>parent = <span class="self">self</span>.syntax().parent(); |
| <a href=#393 id=393 data-nosnippet>393</a> |
| <a href=#394 id=394 data-nosnippet>394</a> <span class="self">self</span>.remove(); |
| <a href=#395 id=395 data-nosnippet>395</a> |
| <a href=#396 id=396 data-nosnippet>396</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(u) = parent.clone().and_then(ast::Use::cast) { |
| <a href=#397 id=397 data-nosnippet>397</a> <span class="kw">if </span>u.use_tree().is_none() { |
| <a href=#398 id=398 data-nosnippet>398</a> u.remove(); |
| <a href=#399 id=399 data-nosnippet>399</a> } |
| <a href=#400 id=400 data-nosnippet>400</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(u) = parent.and_then(ast::UseTreeList::cast) { |
| <a href=#401 id=401 data-nosnippet>401</a> <span class="kw">if </span>u.use_trees().next().is_none() { |
| <a href=#402 id=402 data-nosnippet>402</a> <span class="kw">let </span>parent = u.syntax().parent().and_then(ast::UseTree::cast); |
| <a href=#403 id=403 data-nosnippet>403</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(u) = parent { |
| <a href=#404 id=404 data-nosnippet>404</a> u.remove_recursive(); |
| <a href=#405 id=405 data-nosnippet>405</a> } |
| <a href=#406 id=406 data-nosnippet>406</a> } |
| <a href=#407 id=407 data-nosnippet>407</a> u.remove_unnecessary_braces(); |
| <a href=#408 id=408 data-nosnippet>408</a> } |
| <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> <span class="kw">pub fn </span>get_or_create_use_tree_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::UseTreeList { |
| <a href=#412 id=412 data-nosnippet>412</a> <span class="kw">match </span><span class="self">self</span>.use_tree_list() { |
| <a href=#413 id=413 data-nosnippet>413</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#414 id=414 data-nosnippet>414</a> <span class="prelude-val">None </span>=> { |
| <a href=#415 id=415 data-nosnippet>415</a> <span class="kw">let </span>position = Position::last_child_of(<span class="self">self</span>.syntax()); |
| <a href=#416 id=416 data-nosnippet>416</a> <span class="kw">let </span>use_tree_list = make::use_tree_list(empty()).clone_for_update(); |
| <a href=#417 id=417 data-nosnippet>417</a> <span class="kw">let </span><span class="kw-2">mut </span>elements = Vec::with_capacity(<span class="number">2</span>); |
| <a href=#418 id=418 data-nosnippet>418</a> <span class="kw">if </span><span class="self">self</span>.coloncolon_token().is_none() { |
| <a href=#419 id=419 data-nosnippet>419</a> elements.push(make::token(<span class="macro">T!</span>[::]).into()); |
| <a href=#420 id=420 data-nosnippet>420</a> } |
| <a href=#421 id=421 data-nosnippet>421</a> elements.push(use_tree_list.syntax().clone().into()); |
| <a href=#422 id=422 data-nosnippet>422</a> ted::insert_all_raw(position, elements); |
| <a href=#423 id=423 data-nosnippet>423</a> use_tree_list |
| <a href=#424 id=424 data-nosnippet>424</a> } |
| <a href=#425 id=425 data-nosnippet>425</a> } |
| <a href=#426 id=426 data-nosnippet>426</a> } |
| <a href=#427 id=427 data-nosnippet>427</a> |
| <a href=#428 id=428 data-nosnippet>428</a> <span class="doccomment">/// Splits off the given prefix, making it the path component of the use tree, |
| <a href=#429 id=429 data-nosnippet>429</a> /// appending the rest of the path to all UseTreeList items. |
| <a href=#430 id=430 data-nosnippet>430</a> /// |
| <a href=#431 id=431 data-nosnippet>431</a> /// # Examples |
| <a href=#432 id=432 data-nosnippet>432</a> /// |
| <a href=#433 id=433 data-nosnippet>433</a> /// `prefix$0::suffix` -> `prefix::{suffix}` |
| <a href=#434 id=434 data-nosnippet>434</a> /// |
| <a href=#435 id=435 data-nosnippet>435</a> /// `prefix$0` -> `prefix::{self}` |
| <a href=#436 id=436 data-nosnippet>436</a> /// |
| <a href=#437 id=437 data-nosnippet>437</a> /// `prefix$0::*` -> `prefix::{*}` |
| <a href=#438 id=438 data-nosnippet>438</a> </span><span class="kw">pub fn </span>split_prefix(<span class="kw-2">&</span><span class="self">self</span>, prefix: <span class="kw-2">&</span>ast::Path) { |
| <a href=#439 id=439 data-nosnippet>439</a> <span class="macro">debug_assert_eq!</span>(<span class="self">self</span>.path(), <span class="prelude-val">Some</span>(prefix.top_path())); |
| <a href=#440 id=440 data-nosnippet>440</a> <span class="kw">let </span>path = <span class="self">self</span>.path().unwrap(); |
| <a href=#441 id=441 data-nosnippet>441</a> <span class="kw">if </span><span class="kw-2">&</span>path == prefix && <span class="self">self</span>.use_tree_list().is_none() { |
| <a href=#442 id=442 data-nosnippet>442</a> <span class="kw">if </span><span class="self">self</span>.star_token().is_some() { |
| <a href=#443 id=443 data-nosnippet>443</a> <span class="comment">// path$0::* -> * |
| <a href=#444 id=444 data-nosnippet>444</a> </span><span class="kw">if let </span><span class="prelude-val">Some</span>(a) = <span class="self">self</span>.coloncolon_token() { |
| <a href=#445 id=445 data-nosnippet>445</a> ted::remove(a) |
| <a href=#446 id=446 data-nosnippet>446</a> } |
| <a href=#447 id=447 data-nosnippet>447</a> ted::remove(prefix.syntax()); |
| <a href=#448 id=448 data-nosnippet>448</a> } <span class="kw">else </span>{ |
| <a href=#449 id=449 data-nosnippet>449</a> <span class="comment">// path$0 -> self |
| <a href=#450 id=450 data-nosnippet>450</a> </span><span class="kw">let </span>self_suffix = |
| <a href=#451 id=451 data-nosnippet>451</a> make::path_unqualified(make::path_segment_self()).clone_for_update(); |
| <a href=#452 id=452 data-nosnippet>452</a> ted::replace(path.syntax(), self_suffix.syntax()); |
| <a href=#453 id=453 data-nosnippet>453</a> } |
| <a href=#454 id=454 data-nosnippet>454</a> } <span class="kw">else if </span>split_path_prefix(prefix).is_none() { |
| <a href=#455 id=455 data-nosnippet>455</a> <span class="kw">return</span>; |
| <a href=#456 id=456 data-nosnippet>456</a> } |
| <a href=#457 id=457 data-nosnippet>457</a> <span class="comment">// At this point, prefix path is detached; _self_ use tree has suffix path. |
| <a href=#458 id=458 data-nosnippet>458</a> // Next, transform 'suffix' use tree into 'prefix::{suffix}' |
| <a href=#459 id=459 data-nosnippet>459</a> </span><span class="kw">let </span>subtree = <span class="self">self</span>.clone_subtree().clone_for_update(); |
| <a href=#460 id=460 data-nosnippet>460</a> ted::remove_all_iter(<span class="self">self</span>.syntax().children_with_tokens()); |
| <a href=#461 id=461 data-nosnippet>461</a> ted::insert(Position::first_child_of(<span class="self">self</span>.syntax()), prefix.syntax()); |
| <a href=#462 id=462 data-nosnippet>462</a> <span class="self">self</span>.get_or_create_use_tree_list().add_use_tree(subtree); |
| <a href=#463 id=463 data-nosnippet>463</a> |
| <a href=#464 id=464 data-nosnippet>464</a> <span class="kw">fn </span>split_path_prefix(prefix: <span class="kw-2">&</span>ast::Path) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#465 id=465 data-nosnippet>465</a> <span class="kw">let </span>parent = prefix.parent_path()<span class="question-mark">?</span>; |
| <a href=#466 id=466 data-nosnippet>466</a> <span class="kw">let </span>segment = parent.segment()<span class="question-mark">?</span>; |
| <a href=#467 id=467 data-nosnippet>467</a> <span class="kw">if </span>algo::has_errors(segment.syntax()) { |
| <a href=#468 id=468 data-nosnippet>468</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#469 id=469 data-nosnippet>469</a> } |
| <a href=#470 id=470 data-nosnippet>470</a> <span class="kw">for </span>p <span class="kw">in </span>successors(parent.parent_path(), |it| it.parent_path()) { |
| <a href=#471 id=471 data-nosnippet>471</a> p.segment()<span class="question-mark">?</span>; |
| <a href=#472 id=472 data-nosnippet>472</a> } |
| <a href=#473 id=473 data-nosnippet>473</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(a) = prefix.parent_path().and_then(|p| p.coloncolon_token()) { |
| <a href=#474 id=474 data-nosnippet>474</a> ted::remove(a) |
| <a href=#475 id=475 data-nosnippet>475</a> } |
| <a href=#476 id=476 data-nosnippet>476</a> ted::remove(prefix.syntax()); |
| <a href=#477 id=477 data-nosnippet>477</a> <span class="prelude-val">Some</span>(()) |
| <a href=#478 id=478 data-nosnippet>478</a> } |
| <a href=#479 id=479 data-nosnippet>479</a> } |
| <a href=#480 id=480 data-nosnippet>480</a> |
| <a href=#481 id=481 data-nosnippet>481</a> <span class="doccomment">/// Wraps the use tree in use tree list with no top level path (if it isn't already). |
| <a href=#482 id=482 data-nosnippet>482</a> /// |
| <a href=#483 id=483 data-nosnippet>483</a> /// # Examples |
| <a href=#484 id=484 data-nosnippet>484</a> /// |
| <a href=#485 id=485 data-nosnippet>485</a> /// `foo::bar` -> `{foo::bar}` |
| <a href=#486 id=486 data-nosnippet>486</a> /// |
| <a href=#487 id=487 data-nosnippet>487</a> /// `{foo::bar}` -> `{foo::bar}` |
| <a href=#488 id=488 data-nosnippet>488</a> </span><span class="kw">pub fn </span>wrap_in_tree_list(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#489 id=489 data-nosnippet>489</a> <span class="kw">if </span><span class="self">self</span>.use_tree_list().is_some() |
| <a href=#490 id=490 data-nosnippet>490</a> && <span class="self">self</span>.path().is_none() |
| <a href=#491 id=491 data-nosnippet>491</a> && <span class="self">self</span>.star_token().is_none() |
| <a href=#492 id=492 data-nosnippet>492</a> && <span class="self">self</span>.rename().is_none() |
| <a href=#493 id=493 data-nosnippet>493</a> { |
| <a href=#494 id=494 data-nosnippet>494</a> <span class="kw">return </span><span class="prelude-val">None</span>; |
| <a href=#495 id=495 data-nosnippet>495</a> } |
| <a href=#496 id=496 data-nosnippet>496</a> <span class="kw">let </span>subtree = <span class="self">self</span>.clone_subtree().clone_for_update(); |
| <a href=#497 id=497 data-nosnippet>497</a> ted::remove_all_iter(<span class="self">self</span>.syntax().children_with_tokens()); |
| <a href=#498 id=498 data-nosnippet>498</a> ted::append_child( |
| <a href=#499 id=499 data-nosnippet>499</a> <span class="self">self</span>.syntax(), |
| <a href=#500 id=500 data-nosnippet>500</a> make::use_tree_list(once(subtree)).clone_for_update().syntax(), |
| <a href=#501 id=501 data-nosnippet>501</a> ); |
| <a href=#502 id=502 data-nosnippet>502</a> <span class="prelude-val">Some</span>(()) |
| <a href=#503 id=503 data-nosnippet>503</a> } |
| <a href=#504 id=504 data-nosnippet>504</a>} |
| <a href=#505 id=505 data-nosnippet>505</a> |
| <a href=#506 id=506 data-nosnippet>506</a><span class="kw">impl </span>ast::UseTreeList { |
| <a href=#507 id=507 data-nosnippet>507</a> <span class="kw">pub fn </span>add_use_tree(<span class="kw-2">&</span><span class="self">self</span>, use_tree: ast::UseTree) { |
| <a href=#508 id=508 data-nosnippet>508</a> <span class="kw">let </span>(position, elements) = <span class="kw">match </span><span class="self">self</span>.use_trees().last() { |
| <a href=#509 id=509 data-nosnippet>509</a> <span class="prelude-val">Some</span>(last_tree) => ( |
| <a href=#510 id=510 data-nosnippet>510</a> Position::after(last_tree.syntax()), |
| <a href=#511 id=511 data-nosnippet>511</a> <span class="macro">vec!</span>[ |
| <a href=#512 id=512 data-nosnippet>512</a> make::token(<span class="macro">T!</span>[,]).into(), |
| <a href=#513 id=513 data-nosnippet>513</a> make::tokens::single_space().into(), |
| <a href=#514 id=514 data-nosnippet>514</a> use_tree.syntax.into(), |
| <a href=#515 id=515 data-nosnippet>515</a> ], |
| <a href=#516 id=516 data-nosnippet>516</a> ), |
| <a href=#517 id=517 data-nosnippet>517</a> <span class="prelude-val">None </span>=> { |
| <a href=#518 id=518 data-nosnippet>518</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.l_curly_token() { |
| <a href=#519 id=519 data-nosnippet>519</a> <span class="prelude-val">Some</span>(l_curly) => Position::after(l_curly), |
| <a href=#520 id=520 data-nosnippet>520</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#521 id=521 data-nosnippet>521</a> }; |
| <a href=#522 id=522 data-nosnippet>522</a> (position, <span class="macro">vec!</span>[use_tree.syntax.into()]) |
| <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> ted::insert_all_raw(position, elements); |
| <a href=#526 id=526 data-nosnippet>526</a> } |
| <a href=#527 id=527 data-nosnippet>527</a>} |
| <a href=#528 id=528 data-nosnippet>528</a> |
| <a href=#529 id=529 data-nosnippet>529</a><span class="kw">impl </span>Removable <span class="kw">for </span>ast::Use { |
| <a href=#530 id=530 data-nosnippet>530</a> <span class="kw">fn </span>remove(<span class="kw-2">&</span><span class="self">self</span>) { |
| <a href=#531 id=531 data-nosnippet>531</a> <span class="kw">let </span>next_ws = <span class="self">self |
| <a href=#532 id=532 data-nosnippet>532</a> </span>.syntax() |
| <a href=#533 id=533 data-nosnippet>533</a> .next_sibling_or_token() |
| <a href=#534 id=534 data-nosnippet>534</a> .and_then(|it| it.into_token()) |
| <a href=#535 id=535 data-nosnippet>535</a> .and_then(ast::Whitespace::cast); |
| <a href=#536 id=536 data-nosnippet>536</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(next_ws) = next_ws { |
| <a href=#537 id=537 data-nosnippet>537</a> <span class="kw">let </span>ws_text = next_ws.syntax().text(); |
| <a href=#538 id=538 data-nosnippet>538</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(rest) = ws_text.strip_prefix(<span class="string">'\n'</span>) { |
| <a href=#539 id=539 data-nosnippet>539</a> <span class="kw">if </span>rest.is_empty() { |
| <a href=#540 id=540 data-nosnippet>540</a> ted::remove(next_ws.syntax()); |
| <a href=#541 id=541 data-nosnippet>541</a> } <span class="kw">else </span>{ |
| <a href=#542 id=542 data-nosnippet>542</a> ted::replace(next_ws.syntax(), make::tokens::whitespace(rest)); |
| <a href=#543 id=543 data-nosnippet>543</a> } |
| <a href=#544 id=544 data-nosnippet>544</a> } |
| <a href=#545 id=545 data-nosnippet>545</a> } |
| <a href=#546 id=546 data-nosnippet>546</a> <span class="kw">let </span>prev_ws = <span class="self">self |
| <a href=#547 id=547 data-nosnippet>547</a> </span>.syntax() |
| <a href=#548 id=548 data-nosnippet>548</a> .prev_sibling_or_token() |
| <a href=#549 id=549 data-nosnippet>549</a> .and_then(|it| it.into_token()) |
| <a href=#550 id=550 data-nosnippet>550</a> .and_then(ast::Whitespace::cast); |
| <a href=#551 id=551 data-nosnippet>551</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(prev_ws) = prev_ws { |
| <a href=#552 id=552 data-nosnippet>552</a> <span class="kw">let </span>ws_text = prev_ws.syntax().text(); |
| <a href=#553 id=553 data-nosnippet>553</a> <span class="kw">let </span>prev_newline = ws_text.rfind(<span class="string">'\n'</span>).map(|x| x + <span class="number">1</span>).unwrap_or(<span class="number">0</span>); |
| <a href=#554 id=554 data-nosnippet>554</a> <span class="kw">let </span>rest = <span class="kw-2">&</span>ws_text[<span class="number">0</span>..prev_newline]; |
| <a href=#555 id=555 data-nosnippet>555</a> <span class="kw">if </span>rest.is_empty() { |
| <a href=#556 id=556 data-nosnippet>556</a> ted::remove(prev_ws.syntax()); |
| <a href=#557 id=557 data-nosnippet>557</a> } <span class="kw">else </span>{ |
| <a href=#558 id=558 data-nosnippet>558</a> ted::replace(prev_ws.syntax(), make::tokens::whitespace(rest)); |
| <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> ted::remove(<span class="self">self</span>.syntax()); |
| <a href=#563 id=563 data-nosnippet>563</a> } |
| <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">impl </span>ast::Impl { |
| <a href=#567 id=567 data-nosnippet>567</a> <span class="kw">pub fn </span>get_or_create_assoc_item_list(<span class="kw-2">&</span><span class="self">self</span>) -> ast::AssocItemList { |
| <a href=#568 id=568 data-nosnippet>568</a> <span class="kw">if </span><span class="self">self</span>.assoc_item_list().is_none() { |
| <a href=#569 id=569 data-nosnippet>569</a> <span class="kw">let </span>assoc_item_list = make::assoc_item_list(<span class="prelude-val">None</span>).clone_for_update(); |
| <a href=#570 id=570 data-nosnippet>570</a> ted::append_child(<span class="self">self</span>.syntax(), assoc_item_list.syntax()); |
| <a href=#571 id=571 data-nosnippet>571</a> } |
| <a href=#572 id=572 data-nosnippet>572</a> <span class="self">self</span>.assoc_item_list().unwrap() |
| <a href=#573 id=573 data-nosnippet>573</a> } |
| <a href=#574 id=574 data-nosnippet>574</a>} |
| <a href=#575 id=575 data-nosnippet>575</a> |
| <a href=#576 id=576 data-nosnippet>576</a><span class="kw">impl </span>ast::AssocItemList { |
| <a href=#577 id=577 data-nosnippet>577</a> <span class="doccomment">/// Adds a new associated item after all of the existing associated items. |
| <a href=#578 id=578 data-nosnippet>578</a> /// |
| <a href=#579 id=579 data-nosnippet>579</a> /// Attention! This function does align the first line of `item` with respect to `self`, |
| <a href=#580 id=580 data-nosnippet>580</a> /// but it does _not_ change indentation of other lines (if any). |
| <a href=#581 id=581 data-nosnippet>581</a> </span><span class="kw">pub fn </span>add_item(<span class="kw-2">&</span><span class="self">self</span>, item: ast::AssocItem) { |
| <a href=#582 id=582 data-nosnippet>582</a> <span class="kw">let </span>(indent, position, whitespace) = <span class="kw">match </span><span class="self">self</span>.assoc_items().last() { |
| <a href=#583 id=583 data-nosnippet>583</a> <span class="prelude-val">Some</span>(last_item) => ( |
| <a href=#584 id=584 data-nosnippet>584</a> IndentLevel::from_node(last_item.syntax()), |
| <a href=#585 id=585 data-nosnippet>585</a> Position::after(last_item.syntax()), |
| <a href=#586 id=586 data-nosnippet>586</a> <span class="string">"\n\n"</span>, |
| <a href=#587 id=587 data-nosnippet>587</a> ), |
| <a href=#588 id=588 data-nosnippet>588</a> <span class="prelude-val">None </span>=> <span class="kw">match </span><span class="self">self</span>.l_curly_token() { |
| <a href=#589 id=589 data-nosnippet>589</a> <span class="prelude-val">Some</span>(l_curly) => { |
| <a href=#590 id=590 data-nosnippet>590</a> normalize_ws_between_braces(<span class="self">self</span>.syntax()); |
| <a href=#591 id=591 data-nosnippet>591</a> (IndentLevel::from_token(<span class="kw-2">&</span>l_curly) + <span class="number">1</span>, Position::after(<span class="kw-2">&</span>l_curly), <span class="string">"\n"</span>) |
| <a href=#592 id=592 data-nosnippet>592</a> } |
| <a href=#593 id=593 data-nosnippet>593</a> <span class="prelude-val">None </span>=> (IndentLevel::single(), Position::last_child_of(<span class="self">self</span>.syntax()), <span class="string">"\n"</span>), |
| <a href=#594 id=594 data-nosnippet>594</a> }, |
| <a href=#595 id=595 data-nosnippet>595</a> }; |
| <a href=#596 id=596 data-nosnippet>596</a> <span class="kw">let </span>elements: Vec<SyntaxElement> = <span class="macro">vec!</span>[ |
| <a href=#597 id=597 data-nosnippet>597</a> make::tokens::whitespace(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"{whitespace}{indent}"</span>)).into(), |
| <a href=#598 id=598 data-nosnippet>598</a> item.syntax().clone().into(), |
| <a href=#599 id=599 data-nosnippet>599</a> ]; |
| <a href=#600 id=600 data-nosnippet>600</a> ted::insert_all(position, elements); |
| <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> |
| <a href=#604 id=604 data-nosnippet>604</a><span class="kw">impl </span>ast::RecordExprFieldList { |
| <a href=#605 id=605 data-nosnippet>605</a> <span class="kw">pub fn </span>add_field(<span class="kw-2">&</span><span class="self">self</span>, field: ast::RecordExprField) { |
| <a href=#606 id=606 data-nosnippet>606</a> <span class="kw">let </span>is_multiline = <span class="self">self</span>.syntax().text().contains_char(<span class="string">'\n'</span>); |
| <a href=#607 id=607 data-nosnippet>607</a> <span class="kw">let </span>whitespace = <span class="kw">if </span>is_multiline { |
| <a href=#608 id=608 data-nosnippet>608</a> <span class="kw">let </span>indent = IndentLevel::from_node(<span class="self">self</span>.syntax()) + <span class="number">1</span>; |
| <a href=#609 id=609 data-nosnippet>609</a> make::tokens::whitespace(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"\n{indent}"</span>)) |
| <a href=#610 id=610 data-nosnippet>610</a> } <span class="kw">else </span>{ |
| <a href=#611 id=611 data-nosnippet>611</a> make::tokens::single_space() |
| <a href=#612 id=612 data-nosnippet>612</a> }; |
| <a href=#613 id=613 data-nosnippet>613</a> |
| <a href=#614 id=614 data-nosnippet>614</a> <span class="kw">if </span>is_multiline { |
| <a href=#615 id=615 data-nosnippet>615</a> normalize_ws_between_braces(<span class="self">self</span>.syntax()); |
| <a href=#616 id=616 data-nosnippet>616</a> } |
| <a href=#617 id=617 data-nosnippet>617</a> |
| <a href=#618 id=618 data-nosnippet>618</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.fields().last() { |
| <a href=#619 id=619 data-nosnippet>619</a> <span class="prelude-val">Some</span>(last_field) => { |
| <a href=#620 id=620 data-nosnippet>620</a> <span class="kw">let </span>comma = get_or_insert_comma_after(last_field.syntax()); |
| <a href=#621 id=621 data-nosnippet>621</a> Position::after(comma) |
| <a href=#622 id=622 data-nosnippet>622</a> } |
| <a href=#623 id=623 data-nosnippet>623</a> <span class="prelude-val">None </span>=> <span class="kw">match </span><span class="self">self</span>.l_curly_token() { |
| <a href=#624 id=624 data-nosnippet>624</a> <span class="prelude-val">Some</span>(it) => Position::after(it), |
| <a href=#625 id=625 data-nosnippet>625</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#626 id=626 data-nosnippet>626</a> }, |
| <a href=#627 id=627 data-nosnippet>627</a> }; |
| <a href=#628 id=628 data-nosnippet>628</a> |
| <a href=#629 id=629 data-nosnippet>629</a> ted::insert_all(position, <span class="macro">vec!</span>[whitespace.into(), field.syntax().clone().into()]); |
| <a href=#630 id=630 data-nosnippet>630</a> <span class="kw">if </span>is_multiline { |
| <a href=#631 id=631 data-nosnippet>631</a> ted::insert(Position::after(field.syntax()), ast::make::token(<span class="macro">T!</span>[,])); |
| <a href=#632 id=632 data-nosnippet>632</a> } |
| <a href=#633 id=633 data-nosnippet>633</a> } |
| <a href=#634 id=634 data-nosnippet>634</a>} |
| <a href=#635 id=635 data-nosnippet>635</a> |
| <a href=#636 id=636 data-nosnippet>636</a><span class="kw">impl </span>ast::RecordExprField { |
| <a href=#637 id=637 data-nosnippet>637</a> <span class="doccomment">/// This will either replace the initializer, or in the case that this is a shorthand convert |
| <a href=#638 id=638 data-nosnippet>638</a> /// the initializer into the name ref and insert the expr as the new initializer. |
| <a href=#639 id=639 data-nosnippet>639</a> </span><span class="kw">pub fn </span>replace_expr(<span class="kw-2">&</span><span class="self">self</span>, expr: ast::Expr) { |
| <a href=#640 id=640 data-nosnippet>640</a> <span class="kw">if </span><span class="self">self</span>.name_ref().is_some() { |
| <a href=#641 id=641 data-nosnippet>641</a> <span class="kw">match </span><span class="self">self</span>.expr() { |
| <a href=#642 id=642 data-nosnippet>642</a> <span class="prelude-val">Some</span>(prev) => ted::replace(prev.syntax(), expr.syntax()), |
| <a href=#643 id=643 data-nosnippet>643</a> <span class="prelude-val">None </span>=> ted::append_child(<span class="self">self</span>.syntax(), expr.syntax()), |
| <a href=#644 id=644 data-nosnippet>644</a> } |
| <a href=#645 id=645 data-nosnippet>645</a> <span class="kw">return</span>; |
| <a href=#646 id=646 data-nosnippet>646</a> } |
| <a href=#647 id=647 data-nosnippet>647</a> <span class="comment">// this is a shorthand |
| <a href=#648 id=648 data-nosnippet>648</a> </span><span class="kw">if let </span><span class="prelude-val">Some</span>(ast::Expr::PathExpr(path_expr)) = <span class="self">self</span>.expr() |
| <a href=#649 id=649 data-nosnippet>649</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(path) = path_expr.path() |
| <a href=#650 id=650 data-nosnippet>650</a> && <span class="kw">let </span><span class="prelude-val">Some</span>(name_ref) = path.as_single_name_ref() |
| <a href=#651 id=651 data-nosnippet>651</a> { |
| <a href=#652 id=652 data-nosnippet>652</a> path_expr.syntax().detach(); |
| <a href=#653 id=653 data-nosnippet>653</a> <span class="kw">let </span>children = <span class="macro">vec!</span>[ |
| <a href=#654 id=654 data-nosnippet>654</a> name_ref.syntax().clone().into(), |
| <a href=#655 id=655 data-nosnippet>655</a> ast::make::token(<span class="macro">T!</span>[:]).into(), |
| <a href=#656 id=656 data-nosnippet>656</a> ast::make::tokens::single_space().into(), |
| <a href=#657 id=657 data-nosnippet>657</a> expr.syntax().clone().into(), |
| <a href=#658 id=658 data-nosnippet>658</a> ]; |
| <a href=#659 id=659 data-nosnippet>659</a> ted::insert_all_raw(Position::last_child_of(<span class="self">self</span>.syntax()), children); |
| <a href=#660 id=660 data-nosnippet>660</a> } |
| <a href=#661 id=661 data-nosnippet>661</a> } |
| <a href=#662 id=662 data-nosnippet>662</a>} |
| <a href=#663 id=663 data-nosnippet>663</a> |
| <a href=#664 id=664 data-nosnippet>664</a><span class="kw">impl </span>ast::RecordPatFieldList { |
| <a href=#665 id=665 data-nosnippet>665</a> <span class="kw">pub fn </span>add_field(<span class="kw-2">&</span><span class="self">self</span>, field: ast::RecordPatField) { |
| <a href=#666 id=666 data-nosnippet>666</a> <span class="kw">let </span>is_multiline = <span class="self">self</span>.syntax().text().contains_char(<span class="string">'\n'</span>); |
| <a href=#667 id=667 data-nosnippet>667</a> <span class="kw">let </span>whitespace = <span class="kw">if </span>is_multiline { |
| <a href=#668 id=668 data-nosnippet>668</a> <span class="kw">let </span>indent = IndentLevel::from_node(<span class="self">self</span>.syntax()) + <span class="number">1</span>; |
| <a href=#669 id=669 data-nosnippet>669</a> make::tokens::whitespace(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"\n{indent}"</span>)) |
| <a href=#670 id=670 data-nosnippet>670</a> } <span class="kw">else </span>{ |
| <a href=#671 id=671 data-nosnippet>671</a> make::tokens::single_space() |
| <a href=#672 id=672 data-nosnippet>672</a> }; |
| <a href=#673 id=673 data-nosnippet>673</a> |
| <a href=#674 id=674 data-nosnippet>674</a> <span class="kw">if </span>is_multiline { |
| <a href=#675 id=675 data-nosnippet>675</a> normalize_ws_between_braces(<span class="self">self</span>.syntax()); |
| <a href=#676 id=676 data-nosnippet>676</a> } |
| <a href=#677 id=677 data-nosnippet>677</a> |
| <a href=#678 id=678 data-nosnippet>678</a> <span class="kw">let </span>position = <span class="kw">match </span><span class="self">self</span>.fields().last() { |
| <a href=#679 id=679 data-nosnippet>679</a> <span class="prelude-val">Some</span>(last_field) => { |
| <a href=#680 id=680 data-nosnippet>680</a> <span class="kw">let </span>syntax = last_field.syntax(); |
| <a href=#681 id=681 data-nosnippet>681</a> <span class="kw">let </span>comma = get_or_insert_comma_after(syntax); |
| <a href=#682 id=682 data-nosnippet>682</a> Position::after(comma) |
| <a href=#683 id=683 data-nosnippet>683</a> } |
| <a href=#684 id=684 data-nosnippet>684</a> <span class="prelude-val">None </span>=> <span class="kw">match </span><span class="self">self</span>.l_curly_token() { |
| <a href=#685 id=685 data-nosnippet>685</a> <span class="prelude-val">Some</span>(it) => Position::after(it), |
| <a href=#686 id=686 data-nosnippet>686</a> <span class="prelude-val">None </span>=> Position::last_child_of(<span class="self">self</span>.syntax()), |
| <a href=#687 id=687 data-nosnippet>687</a> }, |
| <a href=#688 id=688 data-nosnippet>688</a> }; |
| <a href=#689 id=689 data-nosnippet>689</a> |
| <a href=#690 id=690 data-nosnippet>690</a> ted::insert_all(position, <span class="macro">vec!</span>[whitespace.into(), field.syntax().clone().into()]); |
| <a href=#691 id=691 data-nosnippet>691</a> <span class="kw">if </span>is_multiline { |
| <a href=#692 id=692 data-nosnippet>692</a> ted::insert(Position::after(field.syntax()), ast::make::token(<span class="macro">T!</span>[,])); |
| <a href=#693 id=693 data-nosnippet>693</a> } |
| <a href=#694 id=694 data-nosnippet>694</a> } |
| <a href=#695 id=695 data-nosnippet>695</a>} |
| <a href=#696 id=696 data-nosnippet>696</a> |
| <a href=#697 id=697 data-nosnippet>697</a><span class="kw">fn </span>get_or_insert_comma_after(syntax: <span class="kw-2">&</span>SyntaxNode) -> SyntaxToken { |
| <a href=#698 id=698 data-nosnippet>698</a> <span class="kw">match </span>syntax |
| <a href=#699 id=699 data-nosnippet>699</a> .siblings_with_tokens(Direction::Next) |
| <a href=#700 id=700 data-nosnippet>700</a> .filter_map(|it| it.into_token()) |
| <a href=#701 id=701 data-nosnippet>701</a> .find(|it| it.kind() == <span class="macro">T!</span>[,]) |
| <a href=#702 id=702 data-nosnippet>702</a> { |
| <a href=#703 id=703 data-nosnippet>703</a> <span class="prelude-val">Some</span>(it) => it, |
| <a href=#704 id=704 data-nosnippet>704</a> <span class="prelude-val">None </span>=> { |
| <a href=#705 id=705 data-nosnippet>705</a> <span class="kw">let </span>comma = ast::make::token(<span class="macro">T!</span>[,]); |
| <a href=#706 id=706 data-nosnippet>706</a> ted::insert(Position::after(syntax), <span class="kw-2">&</span>comma); |
| <a href=#707 id=707 data-nosnippet>707</a> comma |
| <a href=#708 id=708 data-nosnippet>708</a> } |
| <a href=#709 id=709 data-nosnippet>709</a> } |
| <a href=#710 id=710 data-nosnippet>710</a>} |
| <a href=#711 id=711 data-nosnippet>711</a> |
| <a href=#712 id=712 data-nosnippet>712</a><span class="kw">fn </span>normalize_ws_between_braces(node: <span class="kw-2">&</span>SyntaxNode) -> <span class="prelude-ty">Option</span><()> { |
| <a href=#713 id=713 data-nosnippet>713</a> <span class="kw">let </span>l = node |
| <a href=#714 id=714 data-nosnippet>714</a> .children_with_tokens() |
| <a href=#715 id=715 data-nosnippet>715</a> .filter_map(|it| it.into_token()) |
| <a href=#716 id=716 data-nosnippet>716</a> .find(|it| it.kind() == <span class="macro">T!</span>[<span class="string">'{'</span>])<span class="question-mark">?</span>; |
| <a href=#717 id=717 data-nosnippet>717</a> <span class="kw">let </span>r = node |
| <a href=#718 id=718 data-nosnippet>718</a> .children_with_tokens() |
| <a href=#719 id=719 data-nosnippet>719</a> .filter_map(|it| it.into_token()) |
| <a href=#720 id=720 data-nosnippet>720</a> .find(|it| it.kind() == <span class="macro">T!</span>[<span class="string">'}'</span>])<span class="question-mark">?</span>; |
| <a href=#721 id=721 data-nosnippet>721</a> |
| <a href=#722 id=722 data-nosnippet>722</a> <span class="kw">let </span>indent = IndentLevel::from_node(node); |
| <a href=#723 id=723 data-nosnippet>723</a> |
| <a href=#724 id=724 data-nosnippet>724</a> <span class="kw">match </span>l.next_sibling_or_token() { |
| <a href=#725 id=725 data-nosnippet>725</a> <span class="prelude-val">Some</span>(ws) <span class="kw">if </span>ws.kind() == SyntaxKind::WHITESPACE => { |
| <a href=#726 id=726 data-nosnippet>726</a> <span class="kw">if </span>ws.next_sibling_or_token()<span class="question-mark">?</span>.into_token()<span class="question-mark">? </span>== r { |
| <a href=#727 id=727 data-nosnippet>727</a> ted::replace(ws, make::tokens::whitespace(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"\n{indent}"</span>))); |
| <a href=#728 id=728 data-nosnippet>728</a> } |
| <a href=#729 id=729 data-nosnippet>729</a> } |
| <a href=#730 id=730 data-nosnippet>730</a> <span class="prelude-val">Some</span>(ws) <span class="kw">if </span>ws.kind() == <span class="macro">T!</span>[<span class="string">'}'</span>] => { |
| <a href=#731 id=731 data-nosnippet>731</a> ted::insert(Position::after(l), make::tokens::whitespace(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"\n{indent}"</span>))); |
| <a href=#732 id=732 data-nosnippet>732</a> } |
| <a href=#733 id=733 data-nosnippet>733</a> <span class="kw">_ </span>=> (), |
| <a href=#734 id=734 data-nosnippet>734</a> } |
| <a href=#735 id=735 data-nosnippet>735</a> <span class="prelude-val">Some</span>(()) |
| <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><span class="kw">impl </span>ast::IdentPat { |
| <a href=#739 id=739 data-nosnippet>739</a> <span class="kw">pub fn </span>set_pat(<span class="kw-2">&</span><span class="self">self</span>, pat: <span class="prelude-ty">Option</span><ast::Pat>) { |
| <a href=#740 id=740 data-nosnippet>740</a> <span class="kw">match </span>pat { |
| <a href=#741 id=741 data-nosnippet>741</a> <span class="prelude-val">None </span>=> { |
| <a href=#742 id=742 data-nosnippet>742</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(at_token) = <span class="self">self</span>.at_token() { |
| <a href=#743 id=743 data-nosnippet>743</a> <span class="comment">// Remove `@ Pat` |
| <a href=#744 id=744 data-nosnippet>744</a> </span><span class="kw">let </span>start = at_token.clone().into(); |
| <a href=#745 id=745 data-nosnippet>745</a> <span class="kw">let </span>end = <span class="self">self |
| <a href=#746 id=746 data-nosnippet>746</a> </span>.pat() |
| <a href=#747 id=747 data-nosnippet>747</a> .map(|it| it.syntax().clone().into()) |
| <a href=#748 id=748 data-nosnippet>748</a> .unwrap_or_else(|| at_token.into()); |
| <a href=#749 id=749 data-nosnippet>749</a> |
| <a href=#750 id=750 data-nosnippet>750</a> ted::remove_all(start..=end); |
| <a href=#751 id=751 data-nosnippet>751</a> |
| <a href=#752 id=752 data-nosnippet>752</a> <span class="comment">// Remove any trailing ws |
| <a href=#753 id=753 data-nosnippet>753</a> </span><span class="kw">if let </span><span class="prelude-val">Some</span>(last) = |
| <a href=#754 id=754 data-nosnippet>754</a> <span class="self">self</span>.syntax().last_token().filter(|it| it.kind() == WHITESPACE) |
| <a href=#755 id=755 data-nosnippet>755</a> { |
| <a href=#756 id=756 data-nosnippet>756</a> last.detach(); |
| <a href=#757 id=757 data-nosnippet>757</a> } |
| <a href=#758 id=758 data-nosnippet>758</a> } |
| <a href=#759 id=759 data-nosnippet>759</a> } |
| <a href=#760 id=760 data-nosnippet>760</a> <span class="prelude-val">Some</span>(pat) => { |
| <a href=#761 id=761 data-nosnippet>761</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(old_pat) = <span class="self">self</span>.pat() { |
| <a href=#762 id=762 data-nosnippet>762</a> <span class="comment">// Replace existing pattern |
| <a href=#763 id=763 data-nosnippet>763</a> </span>ted::replace(old_pat.syntax(), pat.syntax()) |
| <a href=#764 id=764 data-nosnippet>764</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(at_token) = <span class="self">self</span>.at_token() { |
| <a href=#765 id=765 data-nosnippet>765</a> <span class="comment">// Have an `@` token but not a pattern yet |
| <a href=#766 id=766 data-nosnippet>766</a> </span>ted::insert(ted::Position::after(at_token), pat.syntax()); |
| <a href=#767 id=767 data-nosnippet>767</a> } <span class="kw">else </span>{ |
| <a href=#768 id=768 data-nosnippet>768</a> <span class="comment">// Don't have an `@`, should have a name |
| <a href=#769 id=769 data-nosnippet>769</a> </span><span class="kw">let </span>name = <span class="self">self</span>.name().unwrap(); |
| <a href=#770 id=770 data-nosnippet>770</a> |
| <a href=#771 id=771 data-nosnippet>771</a> ted::insert_all( |
| <a href=#772 id=772 data-nosnippet>772</a> ted::Position::after(name.syntax()), |
| <a href=#773 id=773 data-nosnippet>773</a> <span class="macro">vec!</span>[ |
| <a href=#774 id=774 data-nosnippet>774</a> make::token(<span class="macro">T!</span>[@]).into(), |
| <a href=#775 id=775 data-nosnippet>775</a> make::tokens::single_space().into(), |
| <a href=#776 id=776 data-nosnippet>776</a> pat.syntax().clone().into(), |
| <a href=#777 id=777 data-nosnippet>777</a> ], |
| <a href=#778 id=778 data-nosnippet>778</a> ) |
| <a href=#779 id=779 data-nosnippet>779</a> } |
| <a href=#780 id=780 data-nosnippet>780</a> } |
| <a href=#781 id=781 data-nosnippet>781</a> } |
| <a href=#782 id=782 data-nosnippet>782</a> } |
| <a href=#783 id=783 data-nosnippet>783</a>} |
| <a href=#784 id=784 data-nosnippet>784</a> |
| <a href=#785 id=785 data-nosnippet>785</a><span class="kw">pub trait </span>HasVisibilityEdit: ast::HasVisibility { |
| <a href=#786 id=786 data-nosnippet>786</a> <span class="kw">fn </span>set_visibility(<span class="kw-2">&</span><span class="self">self</span>, visibility: <span class="prelude-ty">Option</span><ast::Visibility>) { |
| <a href=#787 id=787 data-nosnippet>787</a> <span class="kw">if let </span><span class="prelude-val">Some</span>(visibility) = visibility { |
| <a href=#788 id=788 data-nosnippet>788</a> <span class="kw">match </span><span class="self">self</span>.visibility() { |
| <a href=#789 id=789 data-nosnippet>789</a> <span class="prelude-val">Some</span>(current_visibility) => { |
| <a href=#790 id=790 data-nosnippet>790</a> ted::replace(current_visibility.syntax(), visibility.syntax()) |
| <a href=#791 id=791 data-nosnippet>791</a> } |
| <a href=#792 id=792 data-nosnippet>792</a> <span class="prelude-val">None </span>=> { |
| <a href=#793 id=793 data-nosnippet>793</a> <span class="kw">let </span>vis_before = <span class="self">self |
| <a href=#794 id=794 data-nosnippet>794</a> </span>.syntax() |
| <a href=#795 id=795 data-nosnippet>795</a> .children_with_tokens() |
| <a href=#796 id=796 data-nosnippet>796</a> .find(|it| !<span class="macro">matches!</span>(it.kind(), WHITESPACE | COMMENT | ATTR)) |
| <a href=#797 id=797 data-nosnippet>797</a> .unwrap_or_else(|| <span class="self">self</span>.syntax().first_child_or_token().unwrap()); |
| <a href=#798 id=798 data-nosnippet>798</a> |
| <a href=#799 id=799 data-nosnippet>799</a> ted::insert(ted::Position::before(vis_before), visibility.syntax()); |
| <a href=#800 id=800 data-nosnippet>800</a> } |
| <a href=#801 id=801 data-nosnippet>801</a> } |
| <a href=#802 id=802 data-nosnippet>802</a> } <span class="kw">else if let </span><span class="prelude-val">Some</span>(visibility) = <span class="self">self</span>.visibility() { |
| <a href=#803 id=803 data-nosnippet>803</a> ted::remove(visibility.syntax()); |
| <a href=#804 id=804 data-nosnippet>804</a> } |
| <a href=#805 id=805 data-nosnippet>805</a> } |
| <a href=#806 id=806 data-nosnippet>806</a>} |
| <a href=#807 id=807 data-nosnippet>807</a> |
| <a href=#808 id=808 data-nosnippet>808</a><span class="kw">impl</span><T: ast::HasVisibility> HasVisibilityEdit <span class="kw">for </span>T {} |
| <a href=#809 id=809 data-nosnippet>809</a> |
| <a href=#810 id=810 data-nosnippet>810</a><span class="kw">pub trait </span>Indent: AstNode + Clone + Sized { |
| <a href=#811 id=811 data-nosnippet>811</a> <span class="kw">fn </span>indent_level(<span class="kw-2">&</span><span class="self">self</span>) -> IndentLevel { |
| <a href=#812 id=812 data-nosnippet>812</a> IndentLevel::from_node(<span class="self">self</span>.syntax()) |
| <a href=#813 id=813 data-nosnippet>813</a> } |
| <a href=#814 id=814 data-nosnippet>814</a> <span class="kw">fn </span>indent(<span class="kw-2">&</span><span class="self">self</span>, by: IndentLevel) { |
| <a href=#815 id=815 data-nosnippet>815</a> by.increase_indent(<span class="self">self</span>.syntax()); |
| <a href=#816 id=816 data-nosnippet>816</a> } |
| <a href=#817 id=817 data-nosnippet>817</a> <span class="kw">fn </span>dedent(<span class="kw-2">&</span><span class="self">self</span>, by: IndentLevel) { |
| <a href=#818 id=818 data-nosnippet>818</a> by.decrease_indent(<span class="self">self</span>.syntax()); |
| <a href=#819 id=819 data-nosnippet>819</a> } |
| <a href=#820 id=820 data-nosnippet>820</a> <span class="kw">fn </span>reindent_to(<span class="kw-2">&</span><span class="self">self</span>, target_level: IndentLevel) { |
| <a href=#821 id=821 data-nosnippet>821</a> <span class="kw">let </span>current_level = IndentLevel::from_node(<span class="self">self</span>.syntax()); |
| <a href=#822 id=822 data-nosnippet>822</a> <span class="self">self</span>.dedent(current_level); |
| <a href=#823 id=823 data-nosnippet>823</a> <span class="self">self</span>.indent(target_level); |
| <a href=#824 id=824 data-nosnippet>824</a> } |
| <a href=#825 id=825 data-nosnippet>825</a>} |
| <a href=#826 id=826 data-nosnippet>826</a> |
| <a href=#827 id=827 data-nosnippet>827</a><span class="kw">impl</span><N: AstNode + Clone> Indent <span class="kw">for </span>N {} |
| <a href=#828 id=828 data-nosnippet>828</a> |
| <a href=#829 id=829 data-nosnippet>829</a><span class="attr">#[cfg(test)] |
| <a href=#830 id=830 data-nosnippet>830</a></span><span class="kw">mod </span>tests { |
| <a href=#831 id=831 data-nosnippet>831</a> <span class="kw">use </span>std::fmt; |
| <a href=#832 id=832 data-nosnippet>832</a> |
| <a href=#833 id=833 data-nosnippet>833</a> <span class="kw">use </span>parser::Edition; |
| <a href=#834 id=834 data-nosnippet>834</a> |
| <a href=#835 id=835 data-nosnippet>835</a> <span class="kw">use </span><span class="kw">crate</span>::SourceFile; |
| <a href=#836 id=836 data-nosnippet>836</a> |
| <a href=#837 id=837 data-nosnippet>837</a> <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <a href=#838 id=838 data-nosnippet>838</a> |
| <a href=#839 id=839 data-nosnippet>839</a> <span class="kw">fn </span>ast_mut_from_text<N: AstNode>(text: <span class="kw-2">&</span>str) -> N { |
| <a href=#840 id=840 data-nosnippet>840</a> <span class="kw">let </span>parse = SourceFile::parse(text, Edition::CURRENT); |
| <a href=#841 id=841 data-nosnippet>841</a> parse.tree().syntax().descendants().find_map(N::cast).unwrap().clone_for_update() |
| <a href=#842 id=842 data-nosnippet>842</a> } |
| <a href=#843 id=843 data-nosnippet>843</a> |
| <a href=#844 id=844 data-nosnippet>844</a> <span class="attr">#[test] |
| <a href=#845 id=845 data-nosnippet>845</a> </span><span class="kw">fn </span>test_create_generic_param_list() { |
| <a href=#846 id=846 data-nosnippet>846</a> <span class="kw">fn </span>check_create_gpl<N: GenericParamsOwnerEdit + fmt::Display>(before: <span class="kw-2">&</span>str, after: <span class="kw-2">&</span>str) { |
| <a href=#847 id=847 data-nosnippet>847</a> <span class="kw">let </span>gpl_owner = ast_mut_from_text::<N>(before); |
| <a href=#848 id=848 data-nosnippet>848</a> gpl_owner.get_or_create_generic_param_list(); |
| <a href=#849 id=849 data-nosnippet>849</a> <span class="macro">assert_eq!</span>(gpl_owner.to_string(), after); |
| <a href=#850 id=850 data-nosnippet>850</a> } |
| <a href=#851 id=851 data-nosnippet>851</a> |
| <a href=#852 id=852 data-nosnippet>852</a> check_create_gpl::<ast::Fn>(<span class="string">"fn foo"</span>, <span class="string">"fn foo<>"</span>); |
| <a href=#853 id=853 data-nosnippet>853</a> check_create_gpl::<ast::Fn>(<span class="string">"fn foo() {}"</span>, <span class="string">"fn foo<>() {}"</span>); |
| <a href=#854 id=854 data-nosnippet>854</a> |
| <a href=#855 id=855 data-nosnippet>855</a> check_create_gpl::<ast::Impl>(<span class="string">"impl"</span>, <span class="string">"impl<>"</span>); |
| <a href=#856 id=856 data-nosnippet>856</a> check_create_gpl::<ast::Impl>(<span class="string">"impl Struct {}"</span>, <span class="string">"impl<> Struct {}"</span>); |
| <a href=#857 id=857 data-nosnippet>857</a> check_create_gpl::<ast::Impl>(<span class="string">"impl Trait for Struct {}"</span>, <span class="string">"impl<> Trait for Struct {}"</span>); |
| <a href=#858 id=858 data-nosnippet>858</a> |
| <a href=#859 id=859 data-nosnippet>859</a> check_create_gpl::<ast::Trait>(<span class="string">"trait Trait<>"</span>, <span class="string">"trait Trait<>"</span>); |
| <a href=#860 id=860 data-nosnippet>860</a> check_create_gpl::<ast::Trait>(<span class="string">"trait Trait<> {}"</span>, <span class="string">"trait Trait<> {}"</span>); |
| <a href=#861 id=861 data-nosnippet>861</a> |
| <a href=#862 id=862 data-nosnippet>862</a> check_create_gpl::<ast::Struct>(<span class="string">"struct A"</span>, <span class="string">"struct A<>"</span>); |
| <a href=#863 id=863 data-nosnippet>863</a> check_create_gpl::<ast::Struct>(<span class="string">"struct A;"</span>, <span class="string">"struct A<>;"</span>); |
| <a href=#864 id=864 data-nosnippet>864</a> check_create_gpl::<ast::Struct>(<span class="string">"struct A();"</span>, <span class="string">"struct A<>();"</span>); |
| <a href=#865 id=865 data-nosnippet>865</a> check_create_gpl::<ast::Struct>(<span class="string">"struct A {}"</span>, <span class="string">"struct A<> {}"</span>); |
| <a href=#866 id=866 data-nosnippet>866</a> |
| <a href=#867 id=867 data-nosnippet>867</a> check_create_gpl::<ast::Enum>(<span class="string">"enum E"</span>, <span class="string">"enum E<>"</span>); |
| <a href=#868 id=868 data-nosnippet>868</a> check_create_gpl::<ast::Enum>(<span class="string">"enum E {"</span>, <span class="string">"enum E<> {"</span>); |
| <a href=#869 id=869 data-nosnippet>869</a> } |
| <a href=#870 id=870 data-nosnippet>870</a> |
| <a href=#871 id=871 data-nosnippet>871</a> <span class="attr">#[test] |
| <a href=#872 id=872 data-nosnippet>872</a> </span><span class="kw">fn </span>test_increase_indent() { |
| <a href=#873 id=873 data-nosnippet>873</a> <span class="kw">let </span>arm_list = ast_mut_from_text::<ast::Fn>( |
| <a href=#874 id=874 data-nosnippet>874</a> <span class="string">"fn foo() { |
| <a href=#875 id=875 data-nosnippet>875</a> ; |
| <a href=#876 id=876 data-nosnippet>876</a> ; |
| <a href=#877 id=877 data-nosnippet>877</a>}"</span>, |
| <a href=#878 id=878 data-nosnippet>878</a> ); |
| <a href=#879 id=879 data-nosnippet>879</a> arm_list.indent(IndentLevel(<span class="number">2</span>)); |
| <a href=#880 id=880 data-nosnippet>880</a> <span class="macro">assert_eq!</span>( |
| <a href=#881 id=881 data-nosnippet>881</a> arm_list.to_string(), |
| <a href=#882 id=882 data-nosnippet>882</a> <span class="string">"fn foo() { |
| <a href=#883 id=883 data-nosnippet>883</a> ; |
| <a href=#884 id=884 data-nosnippet>884</a> ; |
| <a href=#885 id=885 data-nosnippet>885</a> }"</span>, |
| <a href=#886 id=886 data-nosnippet>886</a> ); |
| <a href=#887 id=887 data-nosnippet>887</a> } |
| <a href=#888 id=888 data-nosnippet>888</a> |
| <a href=#889 id=889 data-nosnippet>889</a> <span class="attr">#[test] |
| <a href=#890 id=890 data-nosnippet>890</a> </span><span class="kw">fn </span>test_ident_pat_set_pat() { |
| <a href=#891 id=891 data-nosnippet>891</a> <span class="attr">#[track_caller] |
| <a href=#892 id=892 data-nosnippet>892</a> </span><span class="kw">fn </span>check(before: <span class="kw-2">&</span>str, expected: <span class="kw-2">&</span>str, pat: <span class="prelude-ty">Option</span><ast::Pat>) { |
| <a href=#893 id=893 data-nosnippet>893</a> <span class="kw">let </span>pat = pat.map(|it| it.clone_for_update()); |
| <a href=#894 id=894 data-nosnippet>894</a> |
| <a href=#895 id=895 data-nosnippet>895</a> <span class="kw">let </span>ident_pat = ast_mut_from_text::<ast::IdentPat>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"fn f() {{ {before} }}"</span>)); |
| <a href=#896 id=896 data-nosnippet>896</a> ident_pat.set_pat(pat); |
| <a href=#897 id=897 data-nosnippet>897</a> |
| <a href=#898 id=898 data-nosnippet>898</a> <span class="kw">let </span>after = ast_mut_from_text::<ast::IdentPat>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"fn f() {{ {expected} }}"</span>)); |
| <a href=#899 id=899 data-nosnippet>899</a> <span class="macro">assert_eq!</span>(ident_pat.to_string(), after.to_string()); |
| <a href=#900 id=900 data-nosnippet>900</a> } |
| <a href=#901 id=901 data-nosnippet>901</a> |
| <a href=#902 id=902 data-nosnippet>902</a> <span class="comment">// replacing |
| <a href=#903 id=903 data-nosnippet>903</a> </span>check(<span class="string">"let a @ _;"</span>, <span class="string">"let a @ ();"</span>, <span class="prelude-val">Some</span>(make::tuple_pat([]).into())); |
| <a href=#904 id=904 data-nosnippet>904</a> |
| <a href=#905 id=905 data-nosnippet>905</a> <span class="comment">// note: no trailing semicolon is added for the below tests since it |
| <a href=#906 id=906 data-nosnippet>906</a> // seems to be picked up by the ident pat during error recovery? |
| <a href=#907 id=907 data-nosnippet>907</a> |
| <a href=#908 id=908 data-nosnippet>908</a> // adding |
| <a href=#909 id=909 data-nosnippet>909</a> </span>check(<span class="string">"let a "</span>, <span class="string">"let a @ ()"</span>, <span class="prelude-val">Some</span>(make::tuple_pat([]).into())); |
| <a href=#910 id=910 data-nosnippet>910</a> check(<span class="string">"let a @ "</span>, <span class="string">"let a @ ()"</span>, <span class="prelude-val">Some</span>(make::tuple_pat([]).into())); |
| <a href=#911 id=911 data-nosnippet>911</a> |
| <a href=#912 id=912 data-nosnippet>912</a> <span class="comment">// removing |
| <a href=#913 id=913 data-nosnippet>913</a> </span>check(<span class="string">"let a @ ()"</span>, <span class="string">"let a"</span>, <span class="prelude-val">None</span>); |
| <a href=#914 id=914 data-nosnippet>914</a> check(<span class="string">"let a @ "</span>, <span class="string">"let a"</span>, <span class="prelude-val">None</span>); |
| <a href=#915 id=915 data-nosnippet>915</a> } |
| <a href=#916 id=916 data-nosnippet>916</a>} |
| </code></pre></div></section></main></body></html> |
