Mercurial > projects > dil
annotate trunk/src/cmd/Generate.d @ 682:7541c64fc423
Renamed FunctionBody, CatchBody and FinallyBody.
FunctionBody -> FuncBodyStatement,
CatchBody -> CatchStatement,
FinallyBody -> FinallyStatement.
author | Aziz K?ksal <aziz.koeksal@gmail.com> |
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date | Sat, 19 Jan 2008 20:35:45 +0100 |
parents | 95a3c28c0f64 |
children | 170ddcdc9711 |
rev | line source |
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363 | 1 /++ |
2 Author: Aziz Köksal | |
3 License: GPL3 | |
4 +/ | |
5 module cmd.Generate; | |
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6 |
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7 import dil.ast.Node; |
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8 import dil.lexer.Lexer; |
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9 import dil.parser.Parser; |
363 | 10 import dil.File; |
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11 import tango.io.Print; |
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12 import common; |
363 | 13 |
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14 /// Options for the generate command. |
363 | 15 enum DocOption |
16 { | |
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17 Empty, |
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18 Tokens = 1, |
363 | 19 Syntax = 1<<1, |
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20 HTML = 1<<2, |
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21 XML = 1<<3 |
363 | 22 } |
23 | |
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24 /// Executes the command. |
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25 void execute(string filePath, DocOption options) |
364 | 26 { |
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27 assert(options != DocOption.Empty); |
364 | 28 if (options & DocOption.Syntax) |
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29 syntaxToDoc(filePath, Stdout, options); |
364 | 30 else |
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31 tokensToDoc(filePath, Stdout, options); |
364 | 32 } |
33 | |
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34 /// Escapes the characters '<', '>' and '&' with named character entities. |
363 | 35 char[] xml_escape(char[] text) |
36 { | |
37 char[] result; | |
38 foreach(c; text) | |
39 switch(c) | |
40 { | |
41 case '<': result ~= "<"; break; | |
42 case '>': result ~= ">"; break; | |
43 case '&': result ~= "&"; break; | |
44 default: result ~= c; | |
45 } | |
46 return result; | |
47 } | |
48 | |
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49 |
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50 /// Find object in subject and return position. |
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51 /// Returns -1 if no match was found. |
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52 /+int find(char[] subject, char[] object) |
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53 { |
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54 if (object.length > subject.length) |
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55 return -1; |
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56 foreach (i, c; subject) |
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57 { |
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58 if (c == object[0]) |
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59 { |
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60 if (object.length > (subject.length - i)) |
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61 return -1; |
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62 if (object == subject[i..i+object.length]) |
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63 return i; |
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64 } |
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65 } |
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66 return -1; |
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67 }+/ |
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68 |
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69 /++ |
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70 Find the last occurrence of object in subject. |
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71 Returns the index if found, or -1 if not. |
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72 +/ |
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73 int rfind(char[] subject, char object) |
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74 { |
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75 foreach_reverse(i, c; subject) |
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76 if (c == object) |
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77 return i; |
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78 return -1; |
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79 } |
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80 |
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81 /// Returns the short class name of an instance descending from Node. |
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82 char[] getShortClassName(Node node) |
363 | 83 { |
84 static char[][] name_table; | |
85 if (name_table is null) | |
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86 name_table = new char[][NodeKind.max+1]; // Create a new table. |
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87 // Look up in table. |
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88 char[] name = name_table[node.kind]; |
363 | 89 if (name !is null) |
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90 return name; // Return cached name. |
363 | 91 |
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92 name = node.classinfo.name; // Get the fully qualified name of the class. |
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93 name = name[rfind(name, '.')+1 .. $]; // Remove package and module name. |
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94 |
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95 uint suffixLength; |
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96 switch (node.category) |
363 | 97 { |
98 alias NodeCategory NC; | |
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99 case NC.Declaration: |
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100 suffixLength = "Declaration".length; |
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101 break; |
363 | 102 case NC.Statement: |
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103 suffixLength = "Statement".length; |
363 | 104 break; |
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105 case NC.Expression: |
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106 switch (node.kind) |
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107 { |
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108 case NodeKind.VoidInitializer, |
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109 NodeKind.ArrayInitializer, |
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110 NodeKind.StructInitializer: |
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111 break; |
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112 default: |
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113 suffixLength = "Expression".length; |
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114 } |
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115 break; |
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116 case NC.Type: |
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117 suffixLength = "Type".length; |
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118 break; |
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119 case NC.Other: |
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120 break; |
363 | 121 default: |
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122 assert(0); |
363 | 123 } |
124 // Remove common suffix. | |
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125 name = name[0 .. $ - suffixLength]; |
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126 // Store the name in the table. |
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127 name_table[node.kind] = name; |
363 | 128 return name; |
129 } | |
130 | |
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131 /// Indices into the XML and HTML tag arrays. |
363 | 132 enum DocPart |
133 { | |
134 Head, | |
135 CompBegin, | |
136 CompEnd, | |
137 Error, | |
138 SyntaxBegin, | |
139 SyntaxEnd, | |
140 SrcBegin, | |
141 SrcEnd, | |
142 Tail, | |
143 // Tokens: | |
144 Identifier, | |
145 Comment, | |
146 StringLiteral, | |
147 CharLiteral, | |
148 Operator, | |
149 LorG, | |
150 LessEqual, | |
151 GreaterEqual, | |
152 AndLogical, | |
153 OrLogical, | |
154 NotEqual, | |
155 Not, | |
156 Number, | |
157 Bracket, | |
158 SpecialToken, | |
159 Shebang, | |
160 Keyword, | |
161 HLineBegin, | |
162 HLineEnd, | |
163 Filespec, | |
164 } | |
165 | |
166 auto html_tags = [ | |
167 // Head | |
168 `<html>`\n | |
169 `<head>`\n | |
170 `<meta http-equiv="Content-Type" content="text/html; charset=utf-8">`\n | |
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171 `<link href="html.css" rel="stylesheet" type="text/css">`\n |
363 | 172 `</head>`\n |
173 `<body>`[], | |
174 // CompBegin | |
175 `<div class="compilerinfo">`, | |
176 // CompEnd | |
177 `</div>`, | |
178 // Error | |
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179 `<p class="error {0}">{1}({2}){3}: {4}</p>`, |
363 | 180 // SyntaxBegin |
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181 `<span class="{0} {1}">`, |
363 | 182 // SyntaxEnd |
183 `</span>`, | |
184 // SrcBegin | |
185 `<pre class="sourcecode">`, | |
186 // SrcEnd | |
187 `</pre>`, | |
188 // Tail | |
189 `</html>`, | |
190 // Identifier | |
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191 `<span class="i">{0}</span>`, |
363 | 192 // Comment |
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193 `<span class="c{0}">{1}</span>`, |
363 | 194 // StringLiteral |
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195 `<span class="sl">{0}</span>`, |
363 | 196 // CharLiteral |
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197 `<span class="cl">{0}</span>`, |
363 | 198 // Operator |
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199 `<span class="op">{0}</span>`, |
363 | 200 // LorG |
201 `<span class="oplg"><></span>`, | |
202 // LessEqual | |
203 `<span class="ople"><=</span>`, | |
204 // GreaterEqual | |
205 `<span class="opge">>=</span>`, | |
206 // AndLogical | |
207 `<span class="opaa">&&</span>`, | |
208 // OrLogical | |
209 `<span class="opoo">||</span>`, | |
210 // NotEqual | |
211 `<span class="opne">!=</span>`, | |
212 // Not | |
213 `<span class="opn">!</span>`, | |
214 // Number | |
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215 `<span class="n">{0}</span>`, |
363 | 216 // Bracket |
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217 `<span class="br">{0}</span>`, |
363 | 218 // SpecialToken |
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219 `<span class="st">{0}</span>`, |
363 | 220 // Shebang |
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221 `<span class="shebang">{0}</span>`, |
363 | 222 // Keyword |
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223 `<span class="k">{0}</span>`, |
363 | 224 // HLineBegin |
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225 `<span class="hl">`, |
363 | 226 // HLineEnd |
227 "</span>", | |
228 // Filespec | |
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229 `<span class="fs">{0}</span>`, |
363 | 230 ]; |
231 | |
232 auto xml_tags = [ | |
233 // Head | |
234 `<?xml version="1.0"?>`\n | |
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235 `<?xml-stylesheet href="xml.css" type="text/css"?>`\n |
363 | 236 `<root>`[], |
237 // CompBegin | |
238 `<compilerinfo>`, | |
239 // CompEnd | |
240 `</compilerinfo>`, | |
241 // Error | |
391
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242 `<error t="{0}">{1}({2}){3}: {4}</error>`, |
363 | 243 // SyntaxBegin |
391
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244 `<{0} t="{1}">`, |
363 | 245 // SyntaxEnd |
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246 `</{0}>`, |
363 | 247 // SrcBegin |
248 `<sourcecode>`, | |
249 // SrcEnd | |
250 `</sourcecode>`, | |
251 // Tail | |
252 `</root>`, | |
253 // Identifier | |
391
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254 "<i>{0}</i>", |
363 | 255 // Comment |
391
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256 `<c t="{0}">{1}</c>`, |
363 | 257 // StringLiteral |
391
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258 "<sl>{0}</sl>", |
363 | 259 // CharLiteral |
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260 "<cl>{0}</cl>", |
363 | 261 // Operator |
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262 "<op>{0}</op>", |
363 | 263 // LorG |
264 `<op t="lg"><></op>`, | |
265 // LessEqual | |
266 `<op t="le"><=</op>`, | |
267 // GreaterEqual | |
268 `<op t="ge">>=</op>`, | |
269 // AndLogical | |
270 `<op t="aa">&&</op>`, | |
271 // OrLogical | |
272 `<op t="oo">||</op>`, | |
273 // NotEqual | |
274 `<op t="ne">!=</op>`, | |
275 // Not | |
276 `<op t="n">!</op>`, | |
277 // Number | |
391
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278 "<n>{0}</n>", |
363 | 279 // Bracket |
391
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280 "<br>{0}</br>", |
363 | 281 // SpecialToken |
391
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282 "<st>{0}</st>", |
363 | 283 // Shebang |
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284 "<shebang>{0}</shebang>", |
363 | 285 // Keyword |
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286 "<k>{0}</k>", |
363 | 287 // HLineBegin |
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288 "<hl>", |
363 | 289 // HLineEnd |
290 "</hl>", | |
291 // Filespec | |
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292 "<fs>{0}</fs>", |
363 | 293 ]; |
294 | |
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295 // The size of the arrays must equal the number of members in enum DocPart. |
363 | 296 static assert(html_tags.length == DocPart.max+1); |
297 static assert(xml_tags.length == DocPart.max+1); | |
298 | |
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299 /// Prints the syntax tree of a source file using the buffer print. |
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300 void syntaxToDoc(string filePath, Print!(char) print, DocOption options) |
363 | 301 { |
302 auto tags = options & DocOption.HTML ? html_tags : xml_tags; | |
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303 auto sourceText = loadFile(filePath); |
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304 auto parser = new Parser(sourceText, filePath); |
368 | 305 auto root = parser.start(); |
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306 auto lx = parser.lexer; |
363 | 307 |
308 auto token = lx.head; | |
309 | |
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310 print(tags[DocPart.Head]~\n); |
363 | 311 // Output error messages. |
312 if (lx.errors.length || parser.errors.length) | |
313 { | |
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314 print(tags[DocPart.CompBegin]~\n); |
363 | 315 foreach (error; lx.errors) |
316 { | |
422
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317 print.formatln(tags[DocPart.Error], "L", error.filePath, Format("{0},{1}", error.loc, error.col), "L", xml_escape(error.getMsg)); |
363 | 318 } |
319 foreach (error; parser.errors) | |
320 { | |
422
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321 print.formatln(tags[DocPart.Error], "P", error.filePath, Format("{0},{1}", error.loc, error.col), "P", xml_escape(error.getMsg)); |
363 | 322 } |
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323 print(tags[DocPart.CompEnd]~\n); |
363 | 324 } |
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325 print(tags[DocPart.SrcBegin]); |
363 | 326 |
327 Node[][Token*] beginNodes, endNodes; | |
328 | |
329 void populateAAs(Node[] nodes) | |
330 { | |
331 foreach (node; nodes) | |
332 { | |
396
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333 assert(delegate bool(){ |
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334 foreach (child; node.children) |
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335 if (child is null) |
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336 return false; |
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337 return true; |
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338 }() == true, Format("Node '{0}' has a null child", node.classinfo.name) |
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339 ); |
363 | 340 auto begin = node.begin; |
341 if (begin) | |
342 { | |
343 auto end = node.end; | |
344 assert(end); | |
345 beginNodes[begin] ~= node; | |
346 endNodes[end] ~= node; | |
347 } | |
396
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348 |
363 | 349 if (node.children.length) |
350 populateAAs(node.children); | |
351 } | |
352 } | |
396
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353 assert(delegate bool(){ |
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354 foreach (child; root.children) |
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355 if (child is null) |
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356 return false; |
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357 return true; |
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358 }() == true, Format("Root node has a null child") |
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359 ); |
363 | 360 populateAAs(root.children); |
361 | |
362 char[] getTag(NodeCategory nc) | |
363 { | |
364 char[] tag; | |
365 switch (nc) | |
366 { | |
367 alias NodeCategory NC; | |
368 case NC.Declaration: tag = "d"; break; | |
369 case NC.Statement: tag = "s"; break; | |
370 case NC.Expression: tag = "e"; break; | |
371 case NC.Type: tag = "t"; break; | |
372 case NC.Other: tag = "o"; break; | |
373 default: | |
374 } | |
375 return tag; | |
376 } | |
377 | |
378 // Traverse linked list and print tokens. | |
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379 while (token.kind != TOK.EOF) |
363 | 380 { |
381 token = token.next; | |
382 | |
394
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383 // Print whitespace. |
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384 if (token.ws) |
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385 print(token.ws[0..token.start - token.ws]); |
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386 |
363 | 387 Node[]* nodes = token in beginNodes; |
388 | |
389 if (nodes) | |
390 { | |
391 foreach (node; *nodes) | |
391
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392 print.format(tags[DocPart.SyntaxBegin], getTag(node.category), getShortClassName(node)); |
363 | 393 } |
394 | |
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395 printToken(token, tags, print); |
363 | 396 |
397 nodes = token in endNodes; | |
398 | |
399 if (nodes) | |
400 { | |
401 foreach_reverse (node; *nodes) | |
402 if (options & DocOption.HTML) | |
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403 print(tags[DocPart.SyntaxEnd]); |
363 | 404 else |
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405 print.format(tags[DocPart.SyntaxEnd], getTag(node.category)); |
363 | 406 } |
407 } | |
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408 print(\n~tags[DocPart.SrcEnd])(\n~tags[DocPart.Tail]); |
363 | 409 } |
410 | |
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411 /// Prints all tokens of a source file using the buffer print. |
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412 void tokensToDoc(string filePath, Print!(char) print, DocOption options) |
363 | 413 { |
414 auto tags = options & DocOption.HTML ? html_tags : xml_tags; | |
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415 auto sourceText = loadFile(filePath); |
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416 auto lx = new Lexer(sourceText, filePath); |
363 | 417 |
418 auto token = lx.getTokens(); | |
419 | |
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420 print(tags[DocPart.Head]~\n); |
363 | 421 |
422 if (lx.errors.length) | |
423 { | |
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424 print(tags[DocPart.CompBegin]~\n); |
363 | 425 foreach (error; lx.errors) |
426 { | |
422
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427 print.formatln(tags[DocPart.Error], "L", error.filePath, Format("{0},{1}", error.loc, error.col), "L", xml_escape(error.getMsg)); |
363 | 428 } |
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429 print(tags[DocPart.CompEnd]~\n); |
363 | 430 } |
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431 print(tags[DocPart.SrcBegin]); |
363 | 432 |
433 // Traverse linked list and print tokens. | |
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434 while (token.kind != TOK.EOF) |
363 | 435 { |
436 token = token.next; | |
394
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437 // Print whitespace. |
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438 if (token.ws) |
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439 print(token.ws[0..token.start - token.ws]); |
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440 printToken(token, tags, print); |
363 | 441 } |
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442 print(\n~tags[DocPart.SrcEnd])(\n~tags[DocPart.Tail]); |
363 | 443 } |
444 | |
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445 /// Prints a token with tags using the buffer print. |
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446 void printToken(Token* token, string[] tags, Print!(char) print) |
363 | 447 { |
448 alias DocPart DP; | |
449 string srcText = xml_escape(token.srcText); | |
450 | |
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451 switch(token.kind) |
363 | 452 { |
453 case TOK.Identifier: | |
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454 print.format(tags[DP.Identifier], srcText); |
363 | 455 break; |
456 case TOK.Comment: | |
457 string t; | |
458 switch (token.start[1]) | |
459 { | |
460 case '/': t = "l"; break; | |
461 case '*': t = "b"; break; | |
462 case '+': t = "n"; break; | |
463 default: | |
464 assert(0); | |
465 } | |
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466 print.format(tags[DP.Comment], t, srcText); |
363 | 467 break; |
468 case TOK.String: | |
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469 print.format(tags[DP.StringLiteral], srcText); |
363 | 470 break; |
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471 case TOK.CharLiteral: |
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472 print.format(tags[DP.CharLiteral], srcText); |
363 | 473 break; |
474 case TOK.Assign, TOK.Equal, | |
475 TOK.Less, TOK.Greater, | |
476 TOK.LShiftAssign, TOK.LShift, | |
477 TOK.RShiftAssign, TOK.RShift, | |
478 TOK.URShiftAssign, TOK.URShift, | |
479 TOK.OrAssign, TOK.OrBinary, | |
480 TOK.AndAssign, TOK.AndBinary, | |
481 TOK.PlusAssign, TOK.PlusPlus, TOK.Plus, | |
482 TOK.MinusAssign, TOK.MinusMinus, TOK.Minus, | |
483 TOK.DivAssign, TOK.Div, | |
484 TOK.MulAssign, TOK.Mul, | |
485 TOK.ModAssign, TOK.Mod, | |
486 TOK.XorAssign, TOK.Xor, | |
487 TOK.CatAssign, | |
488 TOK.Tilde, | |
489 TOK.Unordered, | |
490 TOK.UorE, | |
491 TOK.UorG, | |
492 TOK.UorGorE, | |
493 TOK.UorL, | |
494 TOK.UorLorE, | |
495 TOK.LorEorG: | |
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496 print.format(tags[DP.Operator], srcText); |
363 | 497 break; |
498 case TOK.LorG: | |
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499 print(tags[DP.LorG]); |
363 | 500 break; |
501 case TOK.LessEqual: | |
391
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Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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changeset
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502 print(tags[DP.LessEqual]); |
363 | 503 break; |
504 case TOK.GreaterEqual: | |
391
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Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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505 print(tags[DP.GreaterEqual]); |
363 | 506 break; |
507 case TOK.AndLogical: | |
391
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Migrated project to Tango.
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parents:
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508 print(tags[DP.AndLogical]); |
363 | 509 break; |
510 case TOK.OrLogical: | |
391
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Migrated project to Tango.
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parents:
390
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511 print(tags[DP.OrLogical]); |
363 | 512 break; |
513 case TOK.NotEqual: | |
391
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Migrated project to Tango.
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parents:
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514 print(tags[DP.NotEqual]); |
363 | 515 break; |
516 case TOK.Not: | |
517 // Check if this is part of a template instantiation. | |
391
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Migrated project to Tango.
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parents:
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518 // TODO: comments aren't skipped. Use Token.nextNWS and Token.prevNWS |
679
ff6971637f88
Renamed Token member type to kind.
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parents:
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519 if (token.prev.kind == TOK.Identifier && token.next.kind == TOK.LParen) |
363 | 520 goto default; |
391
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Migrated project to Tango.
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parents:
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521 print(tags[DP.Not]); |
363 | 522 break; |
523 case TOK.Int32, TOK.Int64, TOK.Uint32, TOK.Uint64, | |
524 TOK.Float32, TOK.Float64, TOK.Float80, | |
525 TOK.Imaginary32, TOK.Imaginary64, TOK.Imaginary80: | |
391
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Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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diff
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526 print.format(tags[DP.Number], srcText); |
363 | 527 break; |
528 case TOK.LParen, TOK.RParen, TOK.LBracket, | |
529 TOK.RBracket, TOK.LBrace, TOK.RBrace: | |
391
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Migrated project to Tango.
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parents:
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diff
changeset
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530 print.format(tags[DP.Bracket], srcText); |
363 | 531 break; |
532 case TOK.Shebang: | |
391
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Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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diff
changeset
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533 print.format(tags[DP.Shebang], srcText); |
363 | 534 break; |
535 case TOK.HashLine: | |
536 void printWS(char* start, char* end) | |
537 { | |
538 if (start != end) | |
391
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Migrated project to Tango.
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parents:
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diff
changeset
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539 print(start[0 .. end - start]); |
363 | 540 } |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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diff
changeset
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541 print(tags[DP.HLineBegin]); |
485
ea8c7459f1c4
Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
422
diff
changeset
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542 auto num = token.tokLineNum; |
388
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
|
543 if (num is null) |
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
|
544 { |
391
33b566df6af4
Migrated project to Tango.
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parents:
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diff
changeset
|
545 print(token.srcText); |
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
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diff
changeset
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546 print(tags[DP.HLineEnd]); |
388
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
|
547 break; |
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
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548 } |
363 | 549 // Print whitespace between #line and number |
388
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
|
550 auto ptr = token.start; |
ae154eceba65
Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
379
diff
changeset
|
551 printWS(ptr, num.start); // prints "#line" as well |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
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552 printToken(num, tags, print); |
485
ea8c7459f1c4
Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
422
diff
changeset
|
553 if (token.tokLineFilespec) |
363 | 554 { |
485
ea8c7459f1c4
Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
422
diff
changeset
|
555 auto filespec = token.tokLineFilespec; |
363 | 556 // Print whitespace between number and filespec |
557 printWS(num.end, filespec.start); | |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
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558 print.format(tags[DP.Filespec], xml_escape(filespec.srcText)); |
363 | 559 |
560 ptr = filespec.end; | |
561 } | |
562 else | |
563 ptr = num.end; | |
564 // Print remaining whitespace | |
565 printWS(ptr, token.end); | |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
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566 print(tags[DP.HLineEnd]); |
363 | 567 break; |
568 default: | |
569 if (token.isKeyword()) | |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
|
570 print.format(tags[DP.Keyword], srcText); |
363 | 571 else if (token.isSpecialToken) |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
|
572 print.format(tags[DP.SpecialToken], srcText); |
363 | 573 else |
391
33b566df6af4
Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents:
390
diff
changeset
|
574 print(srcText); |
363 | 575 } |
576 } |