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b3378a02 | 1 | /* Cycript - Optimizing JavaScript Compiler/Runtime |
c1d3e52e | 2 | * Copyright (C) 2009-2015 Jay Freeman (saurik) |
d15b59f5 JF |
3 | */ |
4 | ||
f95d2598 | 5 | /* GNU Affero General Public License, Version 3 {{{ */ |
d15b59f5 | 6 | /* |
f95d2598 JF |
7 | * This program is free software: you can redistribute it and/or modify |
8 | * it under the terms of the GNU Affero General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | ||
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
c15969fd | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
f95d2598 JF |
15 | * GNU Affero General Public License for more details. |
16 | ||
17 | * You should have received a copy of the GNU Affero General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
b3378a02 | 19 | **/ |
d15b59f5 JF |
20 | /* }}} */ |
21 | ||
2155ab92 | 22 | /* XXX: supposedly I will be screwed on very very long multi-line comments and need to replace these with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf */ |
cb02f8ae | 23 | |
d15b59f5 | 24 | %{ |
1771224f JF |
25 | |
26 | #if defined(__clang__) | |
27 | #pragma clang diagnostic push | |
28 | #pragma clang diagnostic ignored "-Wunknown-pragmas" | |
29 | #pragma clang diagnostic ignored "-Wdeprecated-register" | |
30 | #endif | |
31 | ||
58afc6aa | 32 | #define YYLTYPE CYLocation |
63b4c5a8 JF |
33 | #include "Cycript.tab.hh" |
34 | typedef cy::parser::token tk; | |
693d501b | 35 | |
82a02ede JF |
36 | #include "Highlight.hpp" |
37 | ||
5999c315 | 38 | #define YY_EXTRA_TYPE CYDriver * |
db5e2840 | 39 | |
153c6dec | 40 | // do /not/ fold token to the return: this is a macro and the ordering is dependent |
82a02ede | 41 | #define F(value, highlight) do { \ |
153c6dec | 42 | int token(value); \ |
39ed6a51 | 43 | @begin ObjectiveC |
5602b1ee | 44 | yyextra->no_.AtImplementation = false; \ |
39ed6a51 | 45 | @end |
5602b1ee JF |
46 | yyextra->no_.Function = false; \ |
47 | yyextra->no_.OpenBrace = false; \ | |
82a02ede | 48 | yylval->highlight_ = highlight; \ |
153c6dec | 49 | return token; \ |
3ea7eed0 JF |
50 | } while (false) |
51 | ||
2eb8215d | 52 | #define A new($pool) |
0cbeddf8 | 53 | #define Y $pool.strmemdup(yytext, yyleng) |
2eb8215d | 54 | |
82a02ede | 55 | #define I(type, Type, value, highlight) do { \ |
2eb8215d | 56 | yylval->type ## _ = A CY ## Type; \ |
82a02ede | 57 | F(value, highlight); \ |
2eb8215d JF |
58 | } while (false) |
59 | ||
697d6fd2 | 60 | #define T yylval->newline_ = yyextra->state_ == CYNewLine; BEGIN(Div); |
db5e2840 JF |
61 | #define C T yyextra->state_ = CYClear; |
62 | #define R T yyextra->state_ = CYRestricted; | |
5befe15e JF |
63 | |
64 | #define N \ | |
65 | if (yyextra->state_ != CYNewLine) { \ | |
2eb8215d JF |
66 | if (yyextra->state_ != CYRestricted) \ |
67 | yyextra->state_ = CYNewLine; \ | |
68 | else { \ | |
5befe15e | 69 | yyextra->state_ = CYClear; \ |
82a02ede | 70 | F(tk::NewLine, hi::Nothing); \ |
2eb8215d | 71 | } \ |
5befe15e JF |
72 | } |
73 | ||
691e4717 | 74 | #define V(more) { \ |
cb02f8ae JF |
75 | if (const char *nl = reinterpret_cast<const char *>(memchr(yytext, '\n', yyleng))) { \ |
76 | unsigned lines(0); \ | |
77 | size_t left; \ | |
78 | do { \ | |
79 | ++lines; \ | |
80 | left = yyleng - (nl - yytext) - 1; \ | |
81 | nl = reinterpret_cast<const char *>(memchr(nl + 1, '\n', left)); \ | |
82 | } while (nl != NULL); \ | |
f89aaa11 | 83 | yylloc->step(); \ |
cb02f8ae JF |
84 | yylloc->end.lines(lines); \ |
85 | yylloc->end.columns(left); \ | |
691e4717 | 86 | more \ |
cb02f8ae JF |
87 | } else L \ |
88 | } | |
89 | ||
5befe15e JF |
90 | #define L { \ |
91 | yylloc->step(); \ | |
58afc6aa | 92 | yylloc->end.columns(yyleng); \ |
5befe15e | 93 | } |
e7ed5354 | 94 | |
abc79d6e JF |
95 | #define M { \ |
96 | if (yyextra->commented_) { \ | |
97 | I(comment, Comment(Y), tk::Comment, hi::Comment); \ | |
98 | } \ | |
99 | } | |
100 | ||
931b816a JF |
101 | int H(char c) { |
102 | if (c >= '0' && c <= '9') | |
103 | return c - '0'; | |
104 | if (c >= 'a' && c <= 'f') | |
105 | return c - 'a' + 10; | |
106 | if (c >= 'A' && c <= 'F') | |
107 | return c - 'A' + 10; | |
108 | return -1; | |
109 | } | |
110 | ||
e7ed5354 | 111 | #define YY_INPUT(data, value, size) { \ |
d3b63265 | 112 | if (yyextra->data_.eof()) \ |
e7ed5354 JF |
113 | value = YY_NULL; \ |
114 | else { \ | |
d3b63265 JF |
115 | yyextra->data_.read(data, size); \ |
116 | size_t copy(yyextra->data_.gcount()); \ | |
117 | value = copy == 0 ? YY_NULL : copy; \ | |
e7ed5354 JF |
118 | } \ |
119 | } | |
120 | ||
e5332278 JF |
121 | %} |
122 | ||
123 | %option prefix="cy" | |
124 | %option bison-bridge | |
125 | %option bison-locations | |
af340def | 126 | %option nodefault |
e5332278 JF |
127 | %option noyywrap |
128 | %option yylineno | |
129 | %option nounput | |
af340def JF |
130 | %option nounistd |
131 | %option 8bit | |
132 | %option backup | |
6c962f8b JF |
133 | %option batch |
134 | %option never-interactive | |
af340def | 135 | %option pointer |
924f67b2 | 136 | %option reentrant |
691e4717 | 137 | %option stack |
e5332278 | 138 | |
2bf24581 | 139 | Exponent [eE][+-]?[0-9]+ |
367eebb1 | 140 | Escape \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n |
e5332278 | 141 | |
63cd45c9 JF |
142 | IdentifierStart [a-zA-Z$_] |
143 | IdentifierPart [a-zA-Z$_0-9] | |
144 | ||
145 | NonTerminator [^\n] | |
146 | BackslashSequence \\{NonTerminator} | |
147 | RegularExpressionFirstChar [^\n*\\/]|{BackslashSequence} | |
148 | RegularExpressionChar [^\n\\/]|{BackslashSequence} | |
149 | RegularExpressionFlags {IdentifierPart}* | |
150 | RegularExpressionChars {RegularExpressionChar}* | |
697d6fd2 | 151 | RegularExpressionBody {RegularExpressionFirstChar}{RegularExpressionChars} |
63cd45c9 | 152 | |
691e4717 JF |
153 | @begin E4X |
154 | XMLNameStart [a-zA-Z_:] | |
155 | XMLNamePart [a-zA-Z0-9.-_:] | |
156 | XMLName {XMLNameStart}{XMLNamePart}* | |
157 | @end | |
158 | ||
697d6fd2 JF |
159 | %s Div |
160 | %s RegExp | |
63cd45c9 | 161 | |
691e4717 JF |
162 | @begin E4X |
163 | %x XMLContent | |
164 | %x XMLTag | |
165 | @end | |
166 | ||
e5332278 JF |
167 | %% |
168 | ||
82a02ede | 169 | <RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant); |
63cd45c9 | 170 | |
fc44232b JF |
171 | #![^\n]* L M |
172 | ||
abc79d6e | 173 | \/\/[^\n]* L M |
fe123f47 JF |
174 | |
175 | /* http://ostermiller.org/findcomment.html */ | |
176 | /* XXX: unify these two rules using !? */ | |
82a02ede | 177 | \/\*!([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V() C I(comment, Comment(Y), tk::Comment, hi::Comment); |
abc79d6e | 178 | \/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V(N) M |
66fb559f | 179 | |
cb02f8ae | 180 | @begin E4X |
82a02ede JF |
181 | <RegExp>"<>" L F(tk::LeftRight, hi::Structure); |
182 | <XMLContent>"</>" L F(tk::LeftSlashRight, hi::Structure); | |
691e4717 | 183 | |
82a02ede JF |
184 | <RegExp,XMLContent>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]> V() F(tk::XMLCDATA, hi::Constant); |
185 | <RegExp,XMLContent>\<!--(\n|[^-]|-[^-])*--> V() F(tk::XMLComment, hi::Comment); | |
186 | <RegExp,XMLContent>\<?(\n|[^?]|\?[^>])*?> V() F(tk::XMLPI, hi::Meta); | |
691e4717 | 187 | |
82a02ede JF |
188 | <XMLTag>"=" L F(tk::Equal, hi::Structure); |
189 | <XMLTag>">" L F(tk::Right, hi::Structure); | |
190 | <XMLTag>"/>" L F(tk::SlashRight, hi::Structure); | |
191 | <XMLTag>"{" L F(tk::OpenBrace, hi::Structure); | |
691e4717 | 192 | |
82a02ede JF |
193 | <XMLTag>\"(\n|[^"])*\"|'(\n|[^'])*' V() F(tk::XMLAttributeValue, hi::Constant); |
194 | <XMLTag>{XMLName} L F(tk::XMLName, hi::Identifier); | |
195 | <XMLTag>[ \t\r\n] V() F(tk::XMLWhitespace, hi::Nothing); | |
db5e2840 | 196 | |
82a02ede JF |
197 | <XMLContent>"{" L F(tk::OpenBrace, hi::Structure); |
198 | <XMLContent>"<" L F(tk::Left, hi::Structure); | |
199 | <XMLContent>"</" L F(tk::LeftSlash, hi::Structure); | |
691e4717 JF |
200 | @end |
201 | ||
82a02ede | 202 | "..." L C F(tk::PeriodPeriodPeriod, hi::Meta); |
c8a0500b | 203 | |
691e4717 | 204 | @begin E4X |
82a02ede JF |
205 | "::" L C F(tk::ColonColon, hi::Operator); |
206 | ".." L C F(tk::PeriodPeriod, hi::Operator); | |
cb02f8ae | 207 | @end |
ac9a5ce1 | 208 | |
313708a9 | 209 | @begin E4X ObjectiveC |
82a02ede | 210 | "@" L C F(tk::At, hi::Operator); |
ac9d4181 | 211 | "#" L C F(tk::Pound, hi::Operator); |
313708a9 JF |
212 | @end |
213 | ||
82a02ede JF |
214 | "&" L C F(tk::Ampersand, hi::Operator); |
215 | "&&" L C F(tk::AmpersandAmpersand, hi::Operator); | |
216 | "&=" L C F(tk::AmpersandEqual, hi::Operator); | |
217 | "^" L C F(tk::Carrot, hi::Operator); | |
218 | "^=" L C F(tk::CarrotEqual, hi::Operator); | |
219 | "=" L C F(tk::Equal, hi::Operator); | |
220 | "==" L C F(tk::EqualEqual, hi::Operator); | |
221 | "===" L C F(tk::EqualEqualEqual, hi::Operator); | |
222 | "=>" L C F(tk::EqualRight, hi::Operator); | |
223 | "!" L C F(tk::Exclamation, hi::Operator); | |
224 | "!=" L C F(tk::ExclamationEqual, hi::Operator); | |
225 | "!==" L C F(tk::ExclamationEqualEqual, hi::Operator); | |
226 | "-" L C F(tk::Hyphen, hi::Operator); | |
227 | "-=" L C F(tk::HyphenEqual, hi::Operator); | |
228 | "--" L C F(yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen, hi::Operator); | |
229 | "->" L C F(tk::HyphenRight, hi::Operator); | |
230 | "<" L C F(tk::Left, hi::Operator); | |
231 | "<=" L C F(tk::LeftEqual, hi::Operator); | |
232 | "<<" L C F(tk::LeftLeft, hi::Operator); | |
233 | "<<=" L C F(tk::LeftLeftEqual, hi::Operator); | |
234 | "%" L C F(tk::Percent, hi::Operator); | |
235 | "%=" L C F(tk::PercentEqual, hi::Operator); | |
236 | "." L C F(tk::Period, hi::Operator); | |
237 | "|" L C F(tk::Pipe, hi::Operator); | |
238 | "|=" L C F(tk::PipeEqual, hi::Operator); | |
239 | "||" L C F(tk::PipePipe, hi::Operator); | |
240 | "+" L C F(tk::Plus, hi::Operator); | |
241 | "+=" L C F(tk::PlusEqual, hi::Operator); | |
242 | "++" L C F(yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus, hi::Operator); | |
243 | ">" L C F(tk::Right, hi::Operator); | |
244 | ">=" L C F(tk::RightEqual, hi::Operator); | |
245 | ">>" L C F(tk::RightRight, hi::Operator); | |
246 | ">>=" L C F(tk::RightRightEqual, hi::Operator); | |
247 | ">>>" L C F(tk::RightRightRight, hi::Operator); | |
248 | ">>>=" L C F(tk::RightRightRightEqual, hi::Operator); | |
249 | "*" L C F(tk::Star, hi::Operator); | |
250 | "*=" L C F(tk::StarEqual, hi::Operator); | |
251 | "~" L C F(tk::Tilde, hi::Operator); | |
252 | ||
253 | <Div>"/" L C F(tk::Slash, hi::Operator); | |
254 | <Div>"/=" L C F(tk::SlashEqual, hi::Operator); | |
255 | ||
256 | ":" L C F(tk::Colon, hi::Structure); | |
257 | "," L C F(tk::Comma, hi::Structure); | |
258 | "?" L C F(tk::Question, hi::Structure); | |
259 | ";" L C F(tk::SemiColon, hi::Structure); | |
260 | ||
261 | "(" L C F(tk::OpenParen, hi::Structure); | |
262 | ")" L C F(tk::CloseParen, hi::Structure); | |
263 | ||
264 | "{" L C F(yyextra->no_.OpenBrace ? tk::OpenBrace__ : yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace, hi::Structure); | |
265 | "}" L C F(tk::CloseBrace, hi::Structure); | |
266 | ||
267 | "[" L C F(tk::OpenBracket, hi::Structure); | |
268 | "]" L C F(tk::CloseBracket, hi::Structure); | |
5befe15e | 269 | |
dc5d7cf4 JF |
270 | "@error" L C F(tk::AtError, hi::Error); |
271 | ||
1ba6903e | 272 | @begin Java |
82a02ede | 273 | "@class" L C F(tk::AtClass, hi::Meta); |
1ba6903e JF |
274 | @end |
275 | ||
60097023 JF |
276 | @begin C |
277 | "typedef" L C I(identifier, Identifier("typedef"), tk::Typedef, hi::Meta); | |
8aebacfe JF |
278 | "unsigned" L C I(identifier, Identifier("unsigned"), tk::Unsigned, hi::Type); |
279 | "signed" L C I(identifier, Identifier("signed"), tk::Signed, hi::Type); | |
c5587ed7 | 280 | "extern" L C I(identifier, Identifier("extern"), tk::Extern, hi::Type); |
60097023 JF |
281 | @end |
282 | ||
8a2eb1be | 283 | @begin C |
46f4f308 | 284 | "@encode" L C F(tk::AtEncode, hi::Meta); |
8a2eb1be JF |
285 | @end |
286 | ||
287 | @begin ObjectiveC | |
82a02ede JF |
288 | "@end" L C F(tk::AtEnd, hi::Meta); |
289 | "@implementation" L C F(yyextra->no_.AtImplementation ? tk::AtImplementation_ : tk::AtImplementation, hi::Meta); | |
73439a14 | 290 | "@import" L C F(tk::AtImport, hi::Special); |
82a02ede | 291 | "@selector" L C F(tk::AtSelector, hi::Meta); |
cf19d1c1 | 292 | |
355cc1eb JF |
293 | "NULL" L C I(identifier, Identifier("NULL"), tk::Identifier_, hi::Constant); |
294 | "nil" L C I(identifier, Identifier("nil"), tk::Identifier_, hi::Constant); | |
60496dd5 JF |
295 | "YES" L C I(identifier, Identifier("YES"), tk::Yes, hi::Constant); |
296 | "NO" L C I(identifier, Identifier("NO"), tk::No, hi::Constant); | |
8b820c00 | 297 | |
aa82b83b JF |
298 | "bool" L C I(identifier, Identifier("bool"), tk::Identifier_, hi::Type); |
299 | "BOOL" L C I(identifier, Identifier("BOOL"), tk::Identifier_, hi::Type); | |
8b820c00 | 300 | "id" L C I(identifier, Identifier("id"), tk::Identifier_, hi::Type); |
aa8f2b2c | 301 | "SEL" L C I(identifier, Identifier("SEL"), tk::Identifier_, hi::Type); |
cb02f8ae | 302 | @end |
d35a3b07 | 303 | |
355cc1eb JF |
304 | "undefined" L C I(identifier, Identifier("undefined"), tk::Identifier_, hi::Operator); |
305 | ||
82a02ede JF |
306 | "false" L C I(false, False(), tk::False, hi::Constant); |
307 | "null" L C I(null, Null(), tk::Null, hi::Constant); | |
308 | "true" L C I(true, True(), tk::True, hi::Constant); | |
309 | ||
310 | "auto" L C I(word, Word("auto"), tk::Auto, hi::Meta); | |
311 | "break" L R I(word, Word("break"), tk::Break, hi::Control); | |
312 | "case" L C I(word, Word("case"), tk::Case, hi::Control); | |
313 | "catch" L C I(word, Word("catch"), tk::Catch, hi::Control); | |
314 | "continue" L R I(word, Word("continue"), tk::Continue, hi::Control); | |
315 | "default" L C I(word, Word("default"), tk::Default, hi::Control); | |
316 | "delete" L C I(word, Word("delete"), tk::Delete, hi::Operator); | |
317 | "do" L C I(word, Word("do"), tk::Do, hi::Control); | |
318 | "else" L C I(word, Word("else"), tk::Else, hi::Control); | |
319 | "finally" L C I(word, Word("finally"), tk::Finally, hi::Control); | |
320 | "for" L C I(word, Word("for"), tk::For, hi::Control); | |
321 | "function" L C I(word, Word("function"), yyextra->no_.Function ? tk::Function_ : tk::Function, hi::Meta); | |
322 | "if" L C I(word, Word("if"), tk::If, hi::Control); | |
323 | "in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In, hi::Operator); | |
324 | "instanceof" L C I(word, Word("instanceof"), tk::InstanceOf, hi::Operator); | |
325 | "new" L C I(word, Word("new"), tk::New, hi::Operator); | |
326 | "return" L R I(word, Word("return"), tk::Return, hi::Control); | |
327 | "switch" L C I(word, Word("switch"), tk::Switch, hi::Control); | |
328 | "this" L C I(this, This(), tk::This, hi::Constant); | |
329 | "throw" L R I(word, Word("throw"), tk::Throw, hi::Control); | |
330 | "try" L C I(word, Word("try"), tk::Try, hi::Control); | |
331 | "typeof" L C I(word, Word("typeof"), tk::TypeOf, hi::Operator); | |
332 | "var" L C I(word, Word("var"), tk::Var, hi::Meta); | |
333 | "void" L C I(word, Word("void"), tk::Void, hi::Operator); | |
334 | "while" L C I(word, Word("while"), tk::While, hi::Control); | |
335 | "with" L C I(word, Word("with"), tk::With, hi::Control); | |
336 | ||
337 | "debugger" L C I(word, Word("debugger"), tk::Debugger, hi::Meta); | |
338 | ||
339 | "const" L C I(word, Word("const"), tk::Const, hi::Meta); | |
340 | ||
341 | "class" L C I(word, Word("class"), tk::Class, hi::Meta); | |
342 | "enum" L C I(word, Word("enum"), tk::Enum, hi::Meta); | |
343 | "export" L C I(word, Word("export"), tk::Export, hi::Meta); | |
344 | "extends" L C I(word, Word("extends"), tk::Extends, hi::Meta); | |
345 | "import" L C I(word, Word("import"), tk::Import, hi::Meta); | |
346 | "super" L C I(word, Word("super"), tk::Super, hi::Constant); | |
347 | ||
348 | "implements" L C I(identifier, Identifier("implements"), tk::Implements, hi::Meta); | |
349 | "interface" L C I(identifier, Identifier("interface"), tk::Interface, hi::Meta); | |
350 | "package" L C I(identifier, Identifier("package"), tk::Package, hi::Meta); | |
351 | "private" L C I(identifier, Identifier("private"), tk::Private, hi::Meta); | |
352 | "protected" L C I(identifier, Identifier("protected"), tk::Protected, hi::Meta); | |
353 | "public" L C I(identifier, Identifier("public"), tk::Public, hi::Meta); | |
354 | "static" L C I(identifier, Identifier("static"), tk::Static, hi::Meta); | |
355 | ||
356 | "abstract" L C I(identifier, Identifier("abstract"), tk::Abstract, hi::Meta); | |
357 | "boolean" L C I(identifier, Identifier("boolean"), tk::Boolean, hi::Type); | |
358 | "byte" L C I(identifier, Identifier("byte"), tk::Byte, hi::Type); | |
359 | "char" L C I(identifier, Identifier("char"), tk::Char, hi::Type); | |
360 | "double" L C I(identifier, Identifier("double"), tk::Double, hi::Type); | |
361 | "final" L C I(identifier, Identifier("final"), tk::Final, hi::Meta); | |
362 | "float" L C I(identifier, Identifier("float"), tk::Float, hi::Type); | |
363 | "goto" L C I(identifier, Identifier("goto"), tk::Goto, hi::Control); | |
364 | "int" L C I(identifier, Identifier("int"), tk::Int, hi::Type); | |
365 | "long" L C I(identifier, Identifier("long"), tk::Long, hi::Type); | |
366 | "native" L C I(identifier, Identifier("native"), tk::Native, hi::Meta); | |
367 | "short" L C I(identifier, Identifier("short"), tk::Short, hi::Type); | |
368 | "synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized, hi::Meta); | |
369 | "throws" L C I(identifier, Identifier("throws"), tk::Throws, hi::Meta); | |
370 | "transient" L C I(identifier, Identifier("transient"), tk::Transient, hi::Meta); | |
371 | "volatile" L C I(identifier, Identifier("volatile"), tk::Volatile, hi::Meta); | |
372 | ||
373 | "let" L C I(identifier, Identifier("let"), tk::Let, hi::Meta); | |
374 | "yield" L C I(identifier, Identifier("yield"), tk::Yield, hi::Control); | |
375 | ||
376 | "each" L C I(identifier, Identifier("each"), tk::Each, hi::Control); | |
377 | "of" L C I(identifier, Identifier("of"), tk::Of, hi::Operator); | |
5d646fb5 | 378 | |
691e4717 | 379 | @begin E4X |
82a02ede JF |
380 | "namespace" L C I(identifier, Identifier("namespace"), tk::Namespace, hi::Meta); |
381 | "xml" L C I(identifier, Identifier("xml"), tk::XML, hi::Meta); | |
691e4717 JF |
382 | @end |
383 | ||
82a02ede | 384 | {IdentifierStart}{IdentifierPart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier); |
5d646fb5 | 385 | |
82a02ede | 386 | (\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C I(number, Number(strtod(yytext, NULL)), tk::NumericLiteral, hi::Constant); |
5d646fb5 | 387 | |
82a02ede JF |
388 | 0[xX][0-9a-fA-F]+ L C I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral, hi::Constant); |
389 | 0[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant); | |
390 | 0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral, hi::Constant); | |
5befe15e | 391 | |
931b816a | 392 | \"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C { |
2eb8215d | 393 | char *value(A char[yyleng]); |
931b816a JF |
394 | char *local(value); |
395 | ||
66f8d960 | 396 | for (yy_size_t i(1), e(yyleng - 1); i != e; ++i) { |
931b816a JF |
397 | char next(yytext[i]); |
398 | ||
399 | if (yytext[i] == '\\') | |
400 | switch (next = yytext[++i]) { | |
367eebb1 | 401 | case '\n': continue; |
931b816a JF |
402 | case '\\': next = '\\'; break; |
403 | case '\'': next = '\''; break; | |
404 | case '"': next = '"'; break; | |
405 | case 'b': next = '\b'; break; | |
406 | case 'f': next = '\f'; break; | |
407 | case 'n': next = '\n'; break; | |
408 | case 'r': next = '\r'; break; | |
409 | case 't': next = '\t'; break; | |
410 | case 'v': next = '\v'; break; | |
411 | case '0': next = '\0'; break; | |
412 | ||
413 | case 'x': | |
414 | next = H(yytext[i + 1]) << 4 | H(yytext[i + 2]); | |
415 | i += 2; | |
416 | break; | |
417 | } | |
418 | ||
419 | *local++ = next; | |
420 | } | |
421 | ||
422 | *local = '\0'; | |
82a02ede | 423 | I(string, String(value, local - value), tk::StringLiteral, hi::Constant); |
931b816a | 424 | } |
5befe15e | 425 | |
f89aaa11 | 426 | \r?\n|\r|\xe2\x80[\xa8\xa9] yylloc->step(); yylloc->end.lines(); N |
5befe15e JF |
427 | |
428 | [ \t] L | |
7e5391fd | 429 | |
82a02ede | 430 | <<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate(); |
94d55b5c | 431 | |
48e3be8a | 432 | . L { |
94d55b5c JF |
433 | CYDriver::Error error; |
434 | error.location_ = *yylloc; | |
435 | error.message_ = "syntax error, unknown token"; | |
436 | yyextra->errors_.push_back(error); | |
437 | yyterminate(); | |
438 | } | |
924f67b2 JF |
439 | |
440 | %% | |
441 | ||
5999c315 | 442 | void CYDriver::ScannerInit() { |
924f67b2 JF |
443 | cylex_init(&scanner_); |
444 | cyset_extra(this, scanner_); | |
445 | } | |
446 | ||
5999c315 | 447 | void CYDriver::ScannerDestroy() { |
924f67b2 JF |
448 | cylex_destroy(scanner_); |
449 | } | |
63cd45c9 | 450 | |
691e4717 JF |
451 | CYDriver::Condition CYDriver::GetCondition() { |
452 | switch (yy_top_state(scanner_)) { | |
453 | case RegExp: | |
454 | return RegExpCondition; | |
455 | @begin E4X | |
456 | case XMLContent: | |
457 | return XMLContentCondition; | |
458 | case XMLTag: | |
459 | return XMLTagCondition; | |
460 | @end | |
461 | default: | |
462 | _assert(false); | |
463 | } | |
464 | } | |
465 | ||
466 | void CYDriver::SetCondition(Condition condition) { | |
63cd45c9 JF |
467 | struct yyguts_t *yyg(reinterpret_cast<struct yyguts_t *>(scanner_)); |
468 | ||
469 | switch (condition) { | |
697d6fd2 JF |
470 | case RegExpCondition: |
471 | BEGIN(RegExp); | |
63cd45c9 | 472 | break; |
691e4717 JF |
473 | @begin E4X |
474 | case XMLContentCondition: | |
475 | BEGIN(XMLContent); | |
476 | break; | |
477 | case XMLTagCondition: | |
478 | BEGIN(XMLTag); | |
479 | break; | |
480 | @end | |
63cd45c9 JF |
481 | default: |
482 | _assert(false); | |
483 | } | |
484 | } | |
691e4717 JF |
485 | |
486 | void CYDriver::PushCondition(Condition condition) { | |
487 | switch (condition) { | |
488 | case RegExpCondition: | |
489 | yy_push_state(RegExp, scanner_); | |
490 | break; | |
491 | @begin E4X | |
492 | case XMLContentCondition: | |
493 | yy_push_state(XMLContent, scanner_); | |
494 | break; | |
495 | case XMLTagCondition: | |
496 | yy_push_state(XMLTag, scanner_); | |
497 | break; | |
498 | @end | |
499 | default: | |
500 | _assert(false); | |
501 | } | |
502 | } | |
503 | ||
504 | void CYDriver::PopCondition() { | |
505 | yy_pop_state(scanner_); | |
506 | } | |
1771224f JF |
507 | |
508 | #if defined(__clang__) | |
509 | #pragma clang diagnostic pop | |
510 | #endif |