Cycript.y.in

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 %code top {
  41 #include "Cycript.tab.hh"
  42 #define scanner driver.scanner_
  43 #define YYSTACKEXPANDABLE 1
  44 }
  45
  46 %code requires {
  47 #include "Parser.hpp"
  48
  49 @begin ObjectiveC
  50 #include "ObjectiveC/Syntax.hpp"
  51 @end
  52
  53 @begin E4X
  54 #include "E4X/Syntax.hpp"
  55 @end
  56
  57 typedef struct {
  58     bool newline_;
  59
  60     union {
  61         bool bool_;
  62
  63         CYDriver::Condition condition_;
  64
  65         CYArgument *argument_;
  66         CYAssignment *assignment_;
  67         CYBoolean *boolean_;
  68         CYClause *clause_;
  69         cy::Syntax::Catch *catch_;
  70         CYComment *comment_;
  71         CYComprehension *comprehension_;
  72         CYCompound *compound_;
  73         CYDeclaration *declaration_;
  74         CYDeclarations *declarations_;
  75         CYElement *element_;
  76         CYExpression *expression_;
  77         CYFalse *false_;
  78         CYFinally *finally_;
  79         CYForInitialiser *for_;
  80         CYForInInitialiser *forin_;
  81         CYFunctionParameter *functionParameter_;
  82         CYIdentifier *identifier_;
  83         CYInfix *infix_;
  84         CYLiteral *literal_;
  85         CYMember *member_;
  86         CYNull *null_;
  87         CYNumber *number_;
  88         CYProgram *program_;
  89         CYProperty *property_;
  90         CYPropertyName *propertyName_;
  91         CYStatement *statement_;
  92         CYString *string_;
  93         CYThis *this_;
  94         CYTrue *true_;
  95         CYWord *word_;
  96
  97 @begin ObjectiveC
  98         CYClassName *className_;
  99         CYField *field_;
 100         CYMessage *message_;
 101         CYMessageParameter *messageParameter_;
 102         CYProtocol *protocol_;
 103         CYSelectorPart *selector_;
 104 @end
 105
 106 @begin E4X
 107         CYAttribute *attribute_;
 108         CYPropertyIdentifier *propertyIdentifier_;
 109         CYSelector *selector_;
 110 @end
 111     };
 112 } YYSTYPE;
 113
 114 }
 115
 116 %code provides {
 117 int cylex(YYSTYPE *lvalp, cy::location *llocp, void *scanner);
 118 }
 119
 120 %name-prefix "cy"
 121
 122 %language "C++"
 123 %locations
 124
 125 %initial-action {
 126     @$.begin.filename = @$.end.filename = &driver.filename_;
 127 };
 128
 129 %defines
 130
 131 //%glr-parser
 132 //%expect 1
 133
 134 %error-verbose
 135
 136 %parse-param { CYDriver &driver }
 137 %lex-param { void *scanner }
 138
 139 @begin E4X
 140 %token XMLCDATA
 141 %token XMLComment
 142 %token XMLPI
 143
 144 %token XMLAttributeValue
 145 %token XMLName
 146 %token XMLTagCharacters
 147 %token XMLText
 148 %token XMLWhitespace
 149 @end
 150
 151 @begin E4X
 152 %token LeftRight "<>"
 153 %token LeftSlashRight "</>"
 154
 155 %token SlashRight "/>"
 156 %token LeftSlash "</"
 157
 158 %token ColonColon "::"
 159 %token PeriodPeriod ".."
 160 @end
 161
 162 @begin E4X ObjectiveC
 163 %token At "@"
 164 @end
 165
 166 %token Ampersand "&"
 167 %token AmpersandAmpersand "&&"
 168 %token AmpersandEqual "&="
 169 %token Carrot "^"
 170 %token CarrotEqual "^="
 171 %token Equal "="
 172 %token EqualEqual "=="
 173 %token EqualEqualEqual "==="
 174 %token Exclamation "!"
 175 %token ExclamationEqual "!="
 176 %token ExclamationEqualEqual "!=="
 177 %token Hyphen "-"
 178 %token HyphenEqual "-="
 179 %token HyphenHyphen "--"
 180 %token HyphenHyphen_ "\n--"
 181 %token HyphenRight "->"
 182 %token Left "<"
 183 %token LeftEqual "<="
 184 %token LeftLeft "<<"
 185 %token LeftLeftEqual "<<="
 186 %token Percent "%"
 187 %token PercentEqual "%="
 188 %token Period "."
 189 %token Pipe "|"
 190 %token PipeEqual "|="
 191 %token PipePipe "||"
 192 %token Plus "+"
 193 %token PlusEqual "+="
 194 %token PlusPlus "++"
 195 %token PlusPlus_ "\n++"
 196 %token Right ">"
 197 %token RightEqual ">="
 198 %token RightRight ">>"
 199 %token RightRightEqual ">>="
 200 %token RightRightRight ">>>"
 201 %token RightRightRightEqual ">>>="
 202 %token Slash "/"
 203 %token SlashEqual "/="
 204 %token Star "*"
 205 %token StarEqual "*="
 206 %token Tilde "~"
 207
 208 %token Colon ":"
 209 %token Comma ","
 210 %token Question "?"
 211 %token SemiColon ";"
 212 %token NewLine "\n"
 213
 214 %token <comment_> Comment
 215
 216 %token OpenParen "("
 217 %token CloseParen ")"
 218
 219 %token OpenBrace "{"
 220 %token CloseBrace "}"
 221
 222 %token OpenBracket "["
 223 %token CloseBracket "]"
 224
 225 %token AtClass "@class"
 226 %token AtSelector "@selector"
 227 %token AtEnd "@end"
 228
 229 %token <false_> False "false"
 230 %token <null_> Null "null"
 231 %token <true_> True "true"
 232
 233 // ES3/ES5/WIE/JSC Reserved
 234 %token <word_> Break "break"
 235 %token <word_> Case "case"
 236 %token <word_> Catch "catch"
 237 %token <word_> Continue "continue"
 238 %token <word_> Default "default"
 239 %token <word_> Delete "delete"
 240 %token <word_> Do "do"
 241 %token <word_> Else "else"
 242 %token <word_> Finally "finally"
 243 %token <word_> For "for"
 244 %token <word_> Function "function"
 245 %token <word_> If "if"
 246 %token <word_> In "in"
 247 %token <word_> InstanceOf "instanceof"
 248 %token <word_> New "new"
 249 %token <word_> Return "return"
 250 %token <word_> Switch "switch"
 251 %token <this_> This "this"
 252 %token <word_> Throw "throw"
 253 %token <word_> Try "try"
 254 %token <word_> TypeOf "typeof"
 255 %token <word_> Var "var"
 256 %token <word_> Void "void"
 257 %token <word_> While "while"
 258 %token <word_> With "with"
 259
 260 // ES3/IE6 Future, ES5/JSC Reserved
 261 %token <word_> Debugger "debugger"
 262
 263 // ES3/ES5/IE6 Future, JSC Reserved
 264 %token <word_> Const "const"
 265
 266 // ES3/ES5/IE6/JSC Future
 267 %token <word_> Class "class"
 268 %token <word_> Enum "enum"
 269 %token <word_> Export "export"
 270 %token <word_> Extends "extends"
 271 %token <word_> Import "import"
 272 %token <word_> Super "super"
 273
 274 // ES3 Future, ES5 Strict Future
 275 %token <identifier_> Implements "implements"
 276 %token <identifier_> Interface "interface"
 277 %token <identifier_> Package "package"
 278 %token <identifier_> Private "private"
 279 %token <identifier_> Protected "protected"
 280 %token <identifier_> Public "public"
 281 %token <identifier_> Static "static"
 282
 283 // ES3 Future
 284 %token <identifier_> Abstract "abstract"
 285 %token <identifier_> Boolean "boolean"
 286 %token <identifier_> Byte "byte"
 287 %token <identifier_> Char "char"
 288 %token <identifier_> Double "double"
 289 %token <identifier_> Final "final"
 290 %token <identifier_> Float "float"
 291 %token <identifier_> Goto "goto"
 292 %token <identifier_> Int "int"
 293 %token <identifier_> Long "long"
 294 %token <identifier_> Native "native"
 295 %token <identifier_> Short "short"
 296 %token <identifier_> Synchronized "synchronized"
 297 %token <identifier_> Throws "throws"
 298 %token <identifier_> Transient "transient"
 299 %token <identifier_> Volatile "volatile"
 300
 301 // ES5 Strict
 302 %token <identifier_> Let "let"
 303 %token <identifier_> Yield "yield"
 304
 305 // Woah?!
 306 %token <identifier_> Each "each"
 307
 308 @begin E4X
 309 // E4X Conditional
 310 %token <identifier_> Namespace "namespace"
 311 %token <identifier_> XML "xml"
 312 @end
 313
 314 %token <identifier_> Identifier_
 315 %token <number_> NumericLiteral
 316 %token <string_> StringLiteral
 317 %token <literal_> RegularExpressionLiteral
 318
 319 %type <expression_> AdditiveExpression
 320 %type <expression_> AdditiveExpressionNoBF
 321 %type <argument_> ArgumentList
 322 %type <argument_> ArgumentList_
 323 %type <argument_> ArgumentListOpt
 324 %type <argument_> Arguments
 325 %type <literal_> ArrayLiteral
 326 %type <expression_> AssigneeExpression
 327 %type <expression_> AssigneeExpressionNoBF
 328 %type <expression_> AssignmentExpression
 329 %type <assignment_> AssignmentExpression_
 330 %type <expression_> AssignmentExpressionNoBF
 331 %type <expression_> AssignmentExpressionNoIn
 332 %type <expression_> BitwiseANDExpression
 333 %type <expression_> BitwiseANDExpressionNoBF
 334 %type <expression_> BitwiseANDExpressionNoIn
 335 %type <statement_> Block
 336 %type <statement_> Block_
 337 %type <boolean_> BooleanLiteral
 338 %type <expression_> BitwiseORExpression
 339 %type <expression_> BitwiseORExpressionNoBF
 340 %type <expression_> BitwiseORExpressionNoIn
 341 %type <expression_> BitwiseXORExpression
 342 %type <expression_> BitwiseXORExpressionNoBF
 343 %type <expression_> BitwiseXORExpressionNoIn
 344 %type <statement_> BreakStatement
 345 %type <expression_> CallExpression
 346 %type <expression_> CallExpressionNoBF
 347 %type <clause_> CaseBlock
 348 %type <clause_> CaseClause
 349 %type <clause_> CaseClausesOpt
 350 %type <catch_> CatchOpt
 351 %type <comprehension_> ComprehensionList
 352 %type <comprehension_> ComprehensionListOpt
 353 %type <expression_> ConditionalExpression
 354 %type <expression_> ConditionalExpressionNoBF
 355 %type <expression_> ConditionalExpressionNoIn
 356 %type <statement_> ContinueStatement
 357 %type <clause_> DefaultClause
 358 %type <statement_> DoWhileStatement
 359 %type <expression_> Element
 360 %type <expression_> ElementOpt
 361 %type <element_> ElementList
 362 %type <element_> ElementListOpt
 363 %type <statement_> ElseStatementOpt
 364 %type <statement_> EmptyStatement
 365 %type <expression_> EqualityExpression
 366 %type <expression_> EqualityExpressionNoBF
 367 %type <expression_> EqualityExpressionNoIn
 368 %type <expression_> Expression
 369 %type <expression_> ExpressionOpt
 370 %type <compound_> Expression_
 371 %type <expression_> ExpressionNoBF
 372 %type <expression_> ExpressionNoIn
 373 %type <compound_> ExpressionNoIn_
 374 %type <expression_> ExpressionNoInOpt
 375 %type <statement_> ExpressionStatement
 376 %type <finally_> FinallyOpt
 377 %type <comprehension_> ForComprehension
 378 %type <statement_> ForStatement
 379 %type <for_> ForStatementInitialiser
 380 %type <statement_> ForInStatement
 381 %type <forin_> ForInStatementInitialiser
 382 %type <functionParameter_> FormalParameterList
 383 %type <functionParameter_> FormalParameterList_
 384 %type <statement_> FunctionBody
 385 %type <statement_> FunctionDeclaration
 386 %type <expression_> FunctionExpression
 387 %type <identifier_> Identifier
 388 %type <identifier_> IdentifierOpt
 389 %type <comprehension_> IfComprehension
 390 %type <statement_> IfStatement
 391 %type <expression_> Initialiser
 392 %type <expression_> InitialiserOpt
 393 %type <expression_> InitialiserNoIn
 394 %type <expression_> InitialiserNoInOpt
 395 %type <statement_> IterationStatement
 396 %type <statement_> LabelledStatement
 397 %type <expression_> LeftHandSideExpression
 398 %type <expression_> LeftHandSideExpressionNoBF
 399 //%type <statement_> LetStatement
 400 %type <literal_> Literal
 401 %type <literal_> LiteralNoRE
 402 %type <literal_> LiteralRE
 403 %type <expression_> LogicalANDExpression
 404 %type <expression_> LogicalANDExpressionNoBF
 405 %type <expression_> LogicalANDExpressionNoIn
 406 %type <expression_> LogicalORExpression
 407 %type <expression_> LogicalORExpressionNoBF
 408 %type <expression_> LogicalORExpressionNoIn
 409 %type <member_> MemberAccess
 410 %type <expression_> MemberExpression
 411 %type <expression_> MemberExpression_
 412 %type <expression_> MemberExpressionNoBF
 413 %type <expression_> MultiplicativeExpression
 414 %type <expression_> MultiplicativeExpressionNoBF
 415 %type <expression_> NewExpression
 416 %type <expression_> NewExpression_
 417 %type <expression_> NewExpressionNoBF
 418 %type <null_> NullLiteral
 419 %type <literal_> ObjectLiteral
 420 %type <expression_> PostfixExpression
 421 %type <expression_> PostfixExpressionNoBF
 422 %type <expression_> PrimaryExpression
 423 %type <expression_> PrimaryExpressionNo
 424 %type <expression_> PrimaryExpressionNoBF
 425 %type <expression_> PrimaryExpressionNoRE
 426 %type <expression_> PrimaryExpressionBF
 427 %type <statement_> Program
 428 %type <propertyName_> PropertyName
 429 %type <propertyName_> PropertyName_
 430 %type <property_> PropertyNameAndValueList
 431 %type <property_> PropertyNameAndValueList_
 432 %type <property_> PropertyNameAndValueListOpt
 433 %type <expression_> RelationalExpression
 434 %type <infix_> RelationalExpression_
 435 %type <expression_> RelationalExpressionNoBF
 436 %type <expression_> RelationalExpressionNoIn
 437 %type <infix_> RelationalExpressionNoIn_
 438 %type <statement_> ReturnStatement
 439 %type <expression_> ShiftExpression
 440 %type <expression_> ShiftExpressionNoBF
 441 %type <statement_> SourceElement
 442 %type <statement_> SourceElement_
 443 %type <statement_> SourceElements
 444 %type <statement_> Statement
 445 %type <statement_> Statement_
 446 %type <statement_> StatementList
 447 %type <statement_> StatementListOpt
 448 %type <statement_> SwitchStatement
 449 %type <statement_> ThrowStatement
 450 %type <statement_> TryStatement
 451 %type <expression_> UnaryExpression
 452 %type <expression_> UnaryExpression_
 453 %type <expression_> UnaryExpressionNoBF
 454 %type <declaration_> VariableDeclaration
 455 %type <declaration_> VariableDeclarationNoIn
 456 %type <declarations_> VariableDeclarationList
 457 %type <declarations_> VariableDeclarationList_
 458 %type <declarations_> VariableDeclarationListNoIn
 459 %type <declarations_> VariableDeclarationListNoIn_
 460 %type <statement_> VariableStatement
 461 %type <statement_> WhileStatement
 462 %type <statement_> WithStatement
 463
 464 @begin C
 465 %type <expression_> AssigneeExpressionNoRE
 466 %type <expression_> CallExpressionNoRE
 467 %type <expression_> LeftHandSideExpressionNoRE
 468 %type <expression_> MemberExpressionNoRE
 469 %type <expression_> NewExpressionNoRE
 470 %type <expression_> PostfixExpressionNoRE
 471 %type <expression_> UnaryAssigneeExpression
 472 %type <expression_> UnaryExpressionNoRE
 473 @end
 474
 475 @begin ObjectiveC
 476 %type <statement_> CategoryStatement
 477 %type <expression_> ClassExpression
 478 %type <statement_> ClassStatement
 479 %type <expression_> ClassSuperOpt
 480 %type <field_> ClassFieldList
 481 %type <message_> ClassMessageDeclaration
 482 %type <message_> ClassMessageDeclarationListOpt
 483 %type <className_> ClassName
 484 %type <className_> ClassNameOpt
 485 %type <protocol_> ClassProtocolListOpt
 486 %type <protocol_> ClassProtocols
 487 %type <protocol_> ClassProtocolsOpt
 488 %type <expression_> MessageExpression
 489 %type <messageParameter_> MessageParameter
 490 %type <messageParameter_> MessageParameters
 491 %type <messageParameter_> MessageParameterList
 492 %type <messageParameter_> MessageParameterListOpt
 493 %type <bool_> MessageScope
 494 %type <argument_> SelectorCall
 495 %type <argument_> SelectorCall_
 496 %type <selector_> SelectorExpression
 497 %type <selector_> SelectorExpression_
 498 %type <selector_> SelectorExpressionOpt
 499 %type <argument_> SelectorList
 500 %type <expression_> TypeOpt
 501 %type <argument_> VariadicCall
 502 %type <word_> Word
 503 %type <word_> WordOpt
 504 @end
 505
 506 @begin E4X
 507 %type <propertyIdentifier_> PropertyIdentifier_
 508 %type <selector_> PropertySelector
 509 %type <selector_> PropertySelector_
 510 %type <identifier_> QualifiedIdentifier
 511 %type <identifier_> QualifiedIdentifier_
 512 %type <identifier_> WildcardIdentifier
 513 %type <identifier_> XMLComment
 514 %type <identifier_> XMLCDATA
 515 %type <identifier_> XMLElement
 516 %type <identifier_> XMLElementContent
 517 %type <identifier_> XMLMarkup
 518 %type <identifier_> XMLPI
 519
 520 %type <attribute_> AttributeIdentifier
 521 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 522 %type <expression_> PropertyIdentifier
 523 %type <expression_> XMLListInitialiser
 524 %type <expression_> XMLInitialiser
 525 @end
 526
 527 %nonassoc Identifier_ "abstract" "boolean" "break" "byte" "case" "catch" "char" "class" "const" "continue" "debugger" "default" "delete" "do" "double" "each" "enum" "export" "extends" "false" "final" "finally" "float" /*"for"*/ "function" "goto" "implements" "import" /*"in"*/ /*"instanceof"*/ "int" "interface" "let" "long" "namespace" "native" "new" "null" "package" "private" "protected" "public" "return" "short" "super" "static" "switch" "synchronized" "this" "throw" "throws" "transient" "true" "try" "typeof" "var" "void" "volatile" "while" "with" "xml" "yield"
 528
 529 %nonassoc "if"
 530 %nonassoc "else"
 531
 532 %nonassoc "++" "--"
 533 %nonassoc "(" "["
 534
 535 %left "*" "/" "%"
 536 %left "+" "-"
 537 %left "<<" ">>" ">>>"
 538 %left "<" ">" "<=" ">=" "instanceof" "in"
 539 %left "==" "!=" "===" "!=="
 540 %left "&"
 541 %left "^"
 542 %left "|"
 543 %left "&&"
 544 %left "||"
 545
 546 %right "=" "*=" "/=" "%=" "+=" "-=" "<<=" ">>=" ">>>=" "&=" "^=" "|="
 547
 548 %start Program
 549
 550 %%
 551
 552 /* Lexer State {{{ */
 553 LexSetRegExp
 554     : { driver.SetCondition(CYDriver::RegExpCondition); }
 555     ;
 556 /* }}} */
 557
 558 StrictSemi
 559     : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
 560     ;
 561
 562 Terminator_
 563     : ";"
 564     | "\n" StrictSemi
 565     ;
 566
 567 TerminatorOpt
 568     : Terminator_
 569     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 570     ;
 571
 572 Terminator
 573     : Terminator_
 574     | error { if (yychar != 0 && yychar != cy::parser::token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
 575     ;
 576
 577 /*CommaOpt
 578     : ","
 579     |
 580     ;*/
 581
 582 @begin ObjectiveC
 583 NewLineOpt
 584     : "\n"
 585     |
 586     ;
 587
 588 WordOpt
 589     : Word { $$ = $1; }
 590     | { $$ = NULL; }
 591     ;
 592
 593 Word
 594     : Identifier { $$ = $1; }
 595     | "break" NewLineOpt { $$ = $1; }
 596     | "case" { $$ = $1; }
 597     | "catch" { $$ = $1; }
 598     | "class" { $$ = $1; }
 599     | "const" { $$ = $1; }
 600     | "continue" NewLineOpt { $$ = $1; }
 601     | "debugger" { $$ = $1; }
 602     | "default" { $$ = $1; }
 603     | "delete" { $$ = $1; }
 604     | "do" { $$ = $1; }
 605     | "else" { $$ = $1; }
 606     | "enum" { $$ = $1; }
 607     | "export" { $$ = $1; }
 608     | "extends" { $$ = $1; }
 609     | "false" { $$ = $1; }
 610     | "finally" { $$ = $1; }
 611     /* XXX: | "for" { $$ = $1; } */
 612     | "function" { $$ = $1; }
 613     | "if" { $$ = $1; }
 614     | "import" { $$ = $1; }
 615     /* XXX: | "in" { $$ = $1; } */
 616     /* XXX: | "instanceof" { $$ = $1; } */
 617     | "new" { $$ = $1; }
 618     | "null" { $$ = $1; }
 619     | "return" NewLineOpt { $$ = $1; }
 620     | "super" { $$ = $1; }
 621     | "switch" { $$ = $1; }
 622     | "this" { $$ = $1; }
 623     | "throw" NewLineOpt { $$ = $1; }
 624     | "true" { $$ = $1; }
 625     | "try" { $$ = $1; }
 626     | "typeof" { $$ = $1; }
 627     | "var" { $$ = $1; }
 628     | "void" { $$ = $1; }
 629     | "while" { $$ = $1; }
 630     | "with" { $$ = $1; }
 631     ;
 632 @end
 633
 634 Identifier
 635     : Identifier_ { $$ = $1; }
 636
 637     | "implements" { $$ = $1; }
 638     | "interface" { $$ = $1; }
 639     | "package" { $$ = $1; }
 640     | "private" { $$ = $1; }
 641     | "protected" { $$ = $1; }
 642     | "public" { $$ = $1; }
 643     | "static" { $$ = $1; }
 644
 645     | "abstract" { $$ = $1; }
 646     | "boolean" { $$ = $1; }
 647     | "byte" { $$ = $1; }
 648     | "char" { $$ = $1; }
 649     | "double" { $$ = $1; }
 650     | "final" { $$ = $1; }
 651     | "float" { $$ = $1; }
 652     | "goto" { $$ = $1; }
 653     | "int" { $$ = $1; }
 654     | "long" { $$ = $1; }
 655     | "native" { $$ = $1; }
 656     | "short" { $$ = $1; }
 657     | "synchronized" { $$ = $1; }
 658     | "throws" { $$ = $1; }
 659     | "transient" { $$ = $1; }
 660     | "volatile" { $$ = $1; }
 661
 662     | "let" { $$ = $1; }
 663     | "yield" { $$ = $1; }
 664
 665     | "each" { $$ = $1; }
 666     ;
 667
 668 IdentifierOpt
 669     : Identifier { $$ = $1; }
 670     | { $$ = NULL; }
 671     ;
 672
 673 LiteralNoRE
 674     : NullLiteral { $$ = $1; }
 675     | BooleanLiteral { $$ = $1; }
 676     | NumericLiteral { $$ = $1; }
 677     | StringLiteral { $$ = $1; }
 678     | "@" StringLiteral { $$ = $2; }
 679     ;
 680
 681 LiteralRE
 682     : RegularExpressionLiteral { $$ = $1; }
 683     ;
 684
 685 Literal
 686     : LiteralNoRE { $$ = $1; }
 687     | LiteralRE { $$ = $1; }
 688     ;
 689
 690 NullLiteral
 691     : "null" { $$ = $1; }
 692     ;
 693
 694 BooleanLiteral
 695     : "true" { $$ = $1; }
 696     | "false" { $$ = $1; }
 697     ;
 698
 699 /* 11.1 Primary Expressions {{{ */
 700 PrimaryExpression
 701     : LexSetRegExp PrimaryExpressionNoRE { $$ = $2; }
 702     ;
 703
 704 PrimaryExpressionNoBF
 705     : PrimaryExpressionNo { $$ = $1; }
 706     ;
 707
 708 PrimaryExpressionNoRE
 709     : PrimaryExpressionBF { $$ = $1; }
 710     | PrimaryExpressionNo { $$ = $1; }
 711     ;
 712
 713 PrimaryExpressionNo
 714     : "this" { $$ = $1; }
 715     | Identifier { $$ = new(driver.pool_) CYVariable($1); }
 716     | Literal { $$ = $1; }
 717     | ArrayLiteral { $$ = $1; }
 718     | "(" Expression ")" { $$ = $2; }
 719     ;
 720
 721 PrimaryExpressionBF
 722     : ObjectLiteral { $$ = $1; }
 723     ;
 724 /* }}} */
 725 /* 11.1.4 Array Initialiser {{{ */
 726 ArrayLiteral
 727     : "[" ElementListOpt "]" { $$ = new(driver.pool_) CYArray($2); }
 728     ;
 729
 730 Element
 731     : AssignmentExpression { $$ = $1; }
 732     ;
 733
 734 ElementOpt
 735     : Element { $$ = $1; }
 736     | LexSetRegExp { $$ = NULL; }
 737     ;
 738
 739 ElementListOpt
 740     : ElementList { $$ = $1; }
 741     | LexSetRegExp { $$ = NULL; }
 742     ;
 743
 744 ElementList
 745     : ElementOpt "," ElementListOpt { $$ = new(driver.pool_) CYElement($1, $3); }
 746     | Element { $$ = new(driver.pool_) CYElement($1, NULL); }
 747     ;
 748 /* }}} */
 749 /* 11.1.5 Object Initialiser {{{ */
 750 ObjectLiteral
 751     : "{" PropertyNameAndValueListOpt "}" { $$ = new(driver.pool_) CYObject($2); }
 752     ;
 753
 754 PropertyNameAndValueList_
 755     : "," PropertyNameAndValueList { $$ = $2; }
 756     | { $$ = NULL; }
 757     ;
 758
 759 PropertyNameAndValueListOpt
 760     : PropertyNameAndValueList { $$ = $1; }
 761     | { $$ = NULL; }
 762     ;
 763
 764 PropertyNameAndValueList
 765     : PropertyName ":" AssignmentExpression PropertyNameAndValueList_ { $$ = new(driver.pool_) CYProperty($1, $3, $4); }
 766     ;
 767
 768 PropertyName_
 769     : Identifier { $$ = $1; }
 770     | StringLiteral { $$ = $1; }
 771     | NumericLiteral { $$ = $1; }
 772     ;
 773
 774 PropertyName
 775     : LexSetRegExp PropertyName_ { $$ = $2; }
 776     ;
 777 /* }}} */
 778
 779 /* 11.2 Left-Hand-Side Expressions {{{ */
 780 MemberExpression_
 781     : "new" MemberExpression Arguments { $$ = new(driver.pool_) CYNew($2, $3); }
 782     ;
 783
 784 MemberAccess
 785     : "[" Expression "]" { $$ = new(driver.pool_) CYDirectMember(NULL, $2); }
 786     | "." Identifier { $$ = new(driver.pool_) CYDirectMember(NULL, new(driver.pool_) CYString($2)); }
 787     ;
 788
 789 MemberExpression
 790     : PrimaryExpression { $$ = $1; }
 791     | LexSetRegExp FunctionExpression { $$ = $2; }
 792     | MemberExpression MemberAccess { $2->SetLeft($1); $$ = $2; }
 793     | LexSetRegExp MemberExpression_ { $$ = $2; }
 794     ;
 795
 796 MemberExpressionNoBF
 797     : PrimaryExpressionNoBF { $$ = $1; }
 798     | MemberExpressionNoBF MemberAccess { $2->SetLeft($1); $$ = $2; }
 799     | MemberExpression_ { $$ = $1; }
 800     ;
 801
 802 @begin C
 803 MemberExpressionNoRE
 804     : PrimaryExpressionNoRE { $$ = $1; }
 805     | FunctionExpression { $$ = $1; }
 806     | MemberExpressionNoRE MemberAccess { $2->SetLeft($1); $$ = $2; }
 807     | MemberExpression_ { $$ = $1; }
 808     ;
 809 @end
 810
 811 NewExpression_
 812     : "new" NewExpression { $$ = new(driver.pool_) CYNew($2, NULL); }
 813     ;
 814
 815 NewExpression
 816     : MemberExpression { $$ = $1; }
 817     | LexSetRegExp NewExpression_ { $$ = $2; }
 818     ;
 819
 820 NewExpressionNoBF
 821     : MemberExpressionNoBF { $$ = $1; }
 822     | NewExpression_ { $$ = $1; }
 823     ;
 824
 825 @begin C
 826 NewExpressionNoRE
 827     : MemberExpressionNoRE { $$ = $1; }
 828     | NewExpression_ { $$ = $1; }
 829     ;
 830 @end
 831
 832 CallExpression
 833     : MemberExpression Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 834     | CallExpression Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 835     | CallExpression MemberAccess { $2->SetLeft($1); $$ = $2; }
 836     ;
 837
 838 CallExpressionNoBF
 839     : MemberExpressionNoBF Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 840     | CallExpressionNoBF Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 841     | CallExpressionNoBF MemberAccess { $2->SetLeft($1); $$ = $2; }
 842     ;
 843
 844 @begin C
 845 CallExpressionNoRE
 846     : MemberExpressionNoRE Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 847     | CallExpressionNoRE Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
 848     | CallExpressionNoRE MemberAccess { $2->SetLeft($1); $$ = $2; }
 849     ;
 850 @end
 851
 852 ArgumentList_
 853     : "," ArgumentList { $$ = $2; }
 854     | { $$ = NULL; }
 855     ;
 856
 857 ArgumentListOpt
 858     : ArgumentList { $$ = $1; }
 859     | LexSetRegExp { $$ = NULL; }
 860     ;
 861
 862 ArgumentList
 863     : AssignmentExpression ArgumentList_ { $$ = new(driver.pool_) CYArgument(NULL, $1, $2); }
 864     ;
 865
 866 Arguments
 867     : "(" ArgumentListOpt ")" { $$ = $2; }
 868     ;
 869
 870 LeftHandSideExpression
 871     : NewExpression { $$ = $1; }
 872     | CallExpression { $$ = $1; }
 873     ;
 874
 875 LeftHandSideExpressionNoBF
 876     : NewExpressionNoBF { $$ = $1; }
 877     | CallExpressionNoBF { $$ = $1; }
 878     ;
 879
 880 @begin C
 881 LeftHandSideExpressionNoRE
 882     : NewExpressionNoRE { $$ = $1; }
 883     | CallExpressionNoRE { $$ = $1; }
 884     ;
 885 @end
 886 /* }}} */
 887 /* 11.3 Postfix Expressions {{{ */
 888 PostfixExpression
 889     : AssigneeExpression { $$ = $1; }
 890     | LeftHandSideExpression "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
 891     | LeftHandSideExpression "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
 892     ;
 893
 894 PostfixExpressionNoBF
 895     : AssigneeExpressionNoBF { $$ = $1; }
 896     | LeftHandSideExpressionNoBF "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
 897     | LeftHandSideExpressionNoBF "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
 898     ;
 899
 900 @begin C
 901 PostfixExpressionNoRE
 902     : AssigneeExpressionNoRE { $$ = $1; }
 903     | LeftHandSideExpressionNoRE "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
 904     | LeftHandSideExpressionNoRE "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
 905     ;
 906 @end
 907 /* }}} */
 908 /* 11.4 Unary Operators {{{ */
 909 UnaryExpression_
 910     : "delete" UnaryExpression { $$ = new(driver.pool_) CYDelete($2); }
 911     | "void" UnaryExpression { $$ = new(driver.pool_) CYVoid($2); }
 912     | "typeof" UnaryExpression { $$ = new(driver.pool_) CYTypeOf($2); }
 913     | "++" UnaryExpression { $$ = new(driver.pool_) CYPreIncrement($2); }
 914     | "\n++" UnaryExpression { $$ = new(driver.pool_) CYPreIncrement($2); }
 915     | "--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
 916     | "\n--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
 917     | "+" UnaryExpression { $$ = new(driver.pool_) CYAffirm($2); }
 918     | "-" UnaryExpression { $$ = new(driver.pool_) CYNegate($2); }
 919     | "~" UnaryExpression { $$ = new(driver.pool_) CYBitwiseNot($2); }
 920     | "!" UnaryExpression { $$ = new(driver.pool_) CYLogicalNot($2); }
 921     ;
 922
 923 UnaryExpression
 924     : PostfixExpression { $$ = $1; }
 925     | LexSetRegExp UnaryExpression_ { $$ = $2; }
 926     ;
 927
 928 UnaryExpressionNoBF
 929     : PostfixExpressionNoBF { $$ = $1; }
 930     | UnaryExpression_ { $$ = $1; }
 931     ;
 932
 933 @begin C
 934 UnaryExpressionNoRE
 935     : PostfixExpressionNoRE { $$ = $1; }
 936     | UnaryExpression_ { $$ = $1; }
 937     ;
 938 @end
 939 /* }}} */
 940 /* 11.5 Multiplicative Operators {{{ */
 941 MultiplicativeExpression
 942     : UnaryExpression { $$ = $1; }
 943     | MultiplicativeExpression "*" UnaryExpression { $$ = new(driver.pool_) CYMultiply($1, $3); }
 944     | MultiplicativeExpression "/" UnaryExpression { $$ = new(driver.pool_) CYDivide($1, $3); }
 945     | MultiplicativeExpression "%" UnaryExpression { $$ = new(driver.pool_) CYModulus($1, $3); }
 946     ;
 947
 948 MultiplicativeExpressionNoBF
 949     : UnaryExpressionNoBF { $$ = $1; }
 950     | MultiplicativeExpressionNoBF "*" UnaryExpression { $$ = new(driver.pool_) CYMultiply($1, $3); }
 951     | MultiplicativeExpressionNoBF "/" UnaryExpression { $$ = new(driver.pool_) CYDivide($1, $3); }
 952     | MultiplicativeExpressionNoBF "%" UnaryExpression { $$ = new(driver.pool_) CYModulus($1, $3); }
 953     ;
 954 /* }}} */
 955 /* 11.6 Additive Operators {{{ */
 956 AdditiveExpression
 957     : MultiplicativeExpression { $$ = $1; }
 958     | AdditiveExpression "+" MultiplicativeExpression { $$ = new(driver.pool_) CYAdd($1, $3); }
 959     | AdditiveExpression "-" MultiplicativeExpression { $$ = new(driver.pool_) CYSubtract($1, $3); }
 960     ;
 961
 962 AdditiveExpressionNoBF
 963     : MultiplicativeExpressionNoBF { $$ = $1; }
 964     | AdditiveExpressionNoBF "+" MultiplicativeExpression { $$ = new(driver.pool_) CYAdd($1, $3); }
 965     | AdditiveExpressionNoBF "-" MultiplicativeExpression { $$ = new(driver.pool_) CYSubtract($1, $3); }
 966     ;
 967 /* }}} */
 968 /* 11.7 Bitwise Shift Operators {{{ */
 969 ShiftExpression
 970     : AdditiveExpression { $$ = $1; }
 971     | ShiftExpression "<<" AdditiveExpression { $$ = new(driver.pool_) CYShiftLeft($1, $3); }
 972     | ShiftExpression ">>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightSigned($1, $3); }
 973     | ShiftExpression ">>>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightUnsigned($1, $3); }
 974     ;
 975
 976 ShiftExpressionNoBF
 977     : AdditiveExpressionNoBF { $$ = $1; }
 978     | ShiftExpressionNoBF "<<" AdditiveExpression { $$ = new(driver.pool_) CYShiftLeft($1, $3); }
 979     | ShiftExpressionNoBF ">>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightSigned($1, $3); }
 980     | ShiftExpressionNoBF ">>>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightUnsigned($1, $3); }
 981     ;
 982 /* }}} */
 983 /* 11.8 Relational Operators {{{ */
 984 RelationalExpressionNoIn_
 985     : "<" ShiftExpression { $$ = new(driver.pool_) CYLess(NULL, $2); }
 986     | ">" ShiftExpression { $$ = new(driver.pool_) CYGreater(NULL, $2); }
 987     | "<=" ShiftExpression { $$ = new(driver.pool_) CYLessOrEqual(NULL, $2); }
 988     | ">=" ShiftExpression { $$ = new(driver.pool_) CYGreaterOrEqual(NULL, $2); }
 989     | "instanceof" ShiftExpression { $$ = new(driver.pool_) CYInstanceOf(NULL, $2); }
 990     ;
 991
 992 RelationalExpression_
 993     : RelationalExpressionNoIn_ { $$ = $1; }
 994     | "in" ShiftExpression { $$ = new(driver.pool_) CYIn(NULL, $2); }
 995     ;
 996
 997 RelationalExpression
 998     : ShiftExpression { $$ = $1; }
 999     | RelationalExpression RelationalExpression_ { $2->SetLeft($1); $$ = $2; }
1000     ;
1001
1002 RelationalExpressionNoIn
1003     : ShiftExpression { $$ = $1; }
1004     | RelationalExpressionNoIn RelationalExpressionNoIn_ { $2->SetLeft($1); $$ = $2; }
1005     ;
1006
1007 RelationalExpressionNoBF
1008     : ShiftExpressionNoBF { $$ = $1; }
1009     | RelationalExpressionNoBF RelationalExpression_ { $2->SetLeft($1); $$ = $2; }
1010     ;
1011 /* }}} */
1012 /* 11.9 Equality Operators {{{ */
1013 EqualityExpression
1014     : RelationalExpression { $$ = $1; }
1015     | EqualityExpression "==" RelationalExpression { $$ = new(driver.pool_) CYEqual($1, $3); }
1016     | EqualityExpression "!=" RelationalExpression { $$ = new(driver.pool_) CYNotEqual($1, $3); }
1017     | EqualityExpression "===" RelationalExpression { $$ = new(driver.pool_) CYIdentical($1, $3); }
1018     | EqualityExpression "!==" RelationalExpression { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
1019     ;
1020
1021 EqualityExpressionNoIn
1022     : RelationalExpressionNoIn { $$ = $1; }
1023     | EqualityExpressionNoIn "==" RelationalExpressionNoIn { $$ = new(driver.pool_) CYEqual($1, $3); }
1024     | EqualityExpressionNoIn "!=" RelationalExpressionNoIn { $$ = new(driver.pool_) CYNotEqual($1, $3); }
1025     | EqualityExpressionNoIn "===" RelationalExpressionNoIn { $$ = new(driver.pool_) CYIdentical($1, $3); }
1026     | EqualityExpressionNoIn "!==" RelationalExpressionNoIn { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
1027     ;
1028
1029 EqualityExpressionNoBF
1030     : RelationalExpressionNoBF { $$ = $1; }
1031     | EqualityExpressionNoBF "==" RelationalExpression { $$ = new(driver.pool_) CYEqual($1, $3); }
1032     | EqualityExpressionNoBF "!=" RelationalExpression { $$ = new(driver.pool_) CYNotEqual($1, $3); }
1033     | EqualityExpressionNoBF "===" RelationalExpression { $$ = new(driver.pool_) CYIdentical($1, $3); }
1034     | EqualityExpressionNoBF "!==" RelationalExpression { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
1035     ;
1036 /* }}} */
1037 /* 11.10 Binary Bitwise Operators {{{ */
1038 BitwiseANDExpression
1039     : EqualityExpression { $$ = $1; }
1040     | BitwiseANDExpression "&" EqualityExpression { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
1041     ;
1042
1043 BitwiseANDExpressionNoIn
1044     : EqualityExpressionNoIn { $$ = $1; }
1045     | BitwiseANDExpressionNoIn "&" EqualityExpressionNoIn { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
1046     ;
1047
1048 BitwiseANDExpressionNoBF
1049     : EqualityExpressionNoBF { $$ = $1; }
1050     | BitwiseANDExpressionNoBF "&" EqualityExpression { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
1051     ;
1052
1053 BitwiseXORExpression
1054     : BitwiseANDExpression { $$ = $1; }
1055     | BitwiseXORExpression "^" BitwiseANDExpression { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
1056     ;
1057
1058 BitwiseXORExpressionNoIn
1059     : BitwiseANDExpressionNoIn { $$ = $1; }
1060     | BitwiseXORExpressionNoIn "^" BitwiseANDExpressionNoIn { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
1061     ;
1062
1063 BitwiseXORExpressionNoBF
1064     : BitwiseANDExpressionNoBF { $$ = $1; }
1065     | BitwiseXORExpressionNoBF "^" BitwiseANDExpression { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
1066     ;
1067
1068 BitwiseORExpression
1069     : BitwiseXORExpression { $$ = $1; }
1070     | BitwiseORExpression "|" BitwiseXORExpression { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
1071     ;
1072
1073 BitwiseORExpressionNoIn
1074     : BitwiseXORExpressionNoIn { $$ = $1; }
1075     | BitwiseORExpressionNoIn "|" BitwiseXORExpressionNoIn { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
1076     ;
1077
1078 BitwiseORExpressionNoBF
1079     : BitwiseXORExpressionNoBF { $$ = $1; }
1080     | BitwiseORExpressionNoBF "|" BitwiseXORExpression { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
1081     ;
1082 /* }}} */
1083 /* 11.11 Binary Logical Operators {{{ */
1084 LogicalANDExpression
1085     : BitwiseORExpression { $$ = $1; }
1086     | LogicalANDExpression "&&" BitwiseORExpression { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
1087     ;
1088
1089 LogicalANDExpressionNoIn
1090     : BitwiseORExpressionNoIn { $$ = $1; }
1091     | LogicalANDExpressionNoIn "&&" BitwiseORExpressionNoIn { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
1092     ;
1093
1094 LogicalANDExpressionNoBF
1095     : BitwiseORExpressionNoBF { $$ = $1; }
1096     | LogicalANDExpressionNoBF "&&" BitwiseORExpression { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
1097     ;
1098
1099 LogicalORExpression
1100     : LogicalANDExpression { $$ = $1; }
1101     | LogicalORExpression "||" LogicalANDExpression { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
1102     ;
1103
1104 LogicalORExpressionNoIn
1105     : LogicalANDExpressionNoIn { $$ = $1; }
1106     | LogicalORExpressionNoIn "||" LogicalANDExpressionNoIn { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
1107     ;
1108
1109 LogicalORExpressionNoBF
1110     : LogicalANDExpressionNoBF { $$ = $1; }
1111     | LogicalORExpressionNoBF "||" LogicalANDExpression { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
1112     ;
1113 /* }}} */
1114 /* 11.12 Conditional Operator ( ? : ) {{{ */
1115 ConditionalExpression
1116     : LogicalORExpression { $$ = $1; }
1117     | LogicalORExpression "?" AssignmentExpression ":" AssignmentExpression { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
1118     ;
1119
1120 ConditionalExpressionNoIn
1121     : LogicalORExpressionNoIn { $$ = $1; }
1122     | LogicalORExpressionNoIn "?" AssignmentExpression ":" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
1123     ;
1124
1125 ConditionalExpressionNoBF
1126     : LogicalORExpressionNoBF { $$ = $1; }
1127     | LogicalORExpressionNoBF "?" AssignmentExpression ":" AssignmentExpression { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
1128     ;
1129 /* }}} */
1130 /* 11.13 Assignment Operators {{{ */
1131 AssignmentExpression_
1132     : "=" AssignmentExpression { $$ = new(driver.pool_) CYAssign(NULL, $2); }
1133     | "*=" AssignmentExpression { $$ = new(driver.pool_) CYMultiplyAssign(NULL, $2); }
1134     | "/=" AssignmentExpression { $$ = new(driver.pool_) CYDivideAssign(NULL, $2); }
1135     | "%=" AssignmentExpression { $$ = new(driver.pool_) CYModulusAssign(NULL, $2); }
1136     | "+=" AssignmentExpression { $$ = new(driver.pool_) CYAddAssign(NULL, $2); }
1137     | "-=" AssignmentExpression { $$ = new(driver.pool_) CYSubtractAssign(NULL, $2); }
1138     | "<<=" AssignmentExpression { $$ = new(driver.pool_) CYShiftLeftAssign(NULL, $2); }
1139     | ">>=" AssignmentExpression { $$ = new(driver.pool_) CYShiftRightSignedAssign(NULL, $2); }
1140     | ">>>=" AssignmentExpression { $$ = new(driver.pool_) CYShiftRightUnsignedAssign(NULL, $2); }
1141     | "&=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseAndAssign(NULL, $2); }
1142     | "^=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseXOrAssign(NULL, $2); }
1143     | "|=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseOrAssign(NULL, $2); }
1144     ;
1145
1146 AssigneeExpression
1147     : LeftHandSideExpression { $$ = $1; }
1148 @begin C
1149     | LexSetRegExp UnaryAssigneeExpression { $$ = $2; }
1150 @end
1151     ;
1152
1153 AssigneeExpressionNoBF
1154     : LeftHandSideExpressionNoBF { $$ = $1; }
1155 @begin C
1156     | UnaryAssigneeExpression { $$ = $1; }
1157 @end
1158     ;
1159
1160 @begin C
1161 AssigneeExpressionNoRE
1162     : LeftHandSideExpressionNoRE { $$ = $1; }
1163     | UnaryAssigneeExpression { $$ = $1; }
1164     ;
1165 @end
1166
1167 AssignmentExpression
1168     : ConditionalExpression { $$ = $1; }
1169     | AssigneeExpression AssignmentExpression_ { $2->SetLeft($1); $$ = $2; }
1170     ;
1171
1172 AssignmentExpressionNoIn
1173     : ConditionalExpressionNoIn { $$ = $1; }
1174     | AssigneeExpression "=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYAssign($1, $3); }
1175     | AssigneeExpression "*=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYMultiplyAssign($1, $3); }
1176     | AssigneeExpression "/=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYDivideAssign($1, $3); }
1177     | AssigneeExpression "%=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYModulusAssign($1, $3); }
1178     | AssigneeExpression "+=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYAddAssign($1, $3); }
1179     | AssigneeExpression "-=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYSubtractAssign($1, $3); }
1180     | AssigneeExpression "<<=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftLeftAssign($1, $3); }
1181     | AssigneeExpression ">>=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftRightSignedAssign($1, $3); }
1182     | AssigneeExpression ">>>=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftRightUnsignedAssign($1, $3); }
1183     | AssigneeExpression "&=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseAndAssign($1, $3); }
1184     | AssigneeExpression "^=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseXOrAssign($1, $3); }
1185     | AssigneeExpression "|=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseOrAssign($1, $3); }
1186     ;
1187
1188 AssignmentExpressionNoBF
1189     : ConditionalExpressionNoBF { $$ = $1; }
1190     | AssigneeExpressionNoBF AssignmentExpression_ { $2->SetLeft($1); $$ = $2; }
1191     ;
1192 /* }}} */
1193 /* 11.14 Comma Operator {{{ */
1194 Expression_
1195     : "," Expression { $$ = new(driver.pool_) CYCompound($2); }
1196     | { $$ = NULL; }
1197     ;
1198
1199 ExpressionNoIn_
1200     : "," ExpressionNoIn { $$ = new(driver.pool_) CYCompound($2); }
1201     | { $$ = NULL; }
1202     ;
1203
1204 ExpressionOpt
1205     : Expression { $$ = $1; }
1206     | LexSetRegExp { $$ = NULL; }
1207     ;
1208
1209 ExpressionNoInOpt
1210     : ExpressionNoIn { $$ = $1; }
1211     | LexSetRegExp { $$ = NULL; }
1212     ;
1213
1214 Expression
1215     : AssignmentExpression Expression_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
1216     ;
1217
1218 ExpressionNoIn
1219     : AssignmentExpressionNoIn ExpressionNoIn_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
1220     ;
1221
1222 ExpressionNoBF
1223     : AssignmentExpressionNoBF Expression_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
1224     ;
1225 /* }}} */
1226
1227 /* 12 Statements {{{ */
1228 Statement_
1229     : Block { $$ = $1; }
1230     | VariableStatement { $$ = $1; }
1231     | EmptyStatement { $$ = $1; }
1232     | ExpressionStatement { $$ = $1; }
1233     | IfStatement { $$ = $1; }
1234     | IterationStatement { $$ = $1; }
1235     | ContinueStatement { $$ = $1; }
1236     | BreakStatement { $$ = $1; }
1237     | ReturnStatement { $$ = $1; }
1238     | WithStatement { $$ = $1; }
1239     | LabelledStatement { $$ = $1; }
1240     | SwitchStatement { $$ = $1; }
1241     | ThrowStatement { $$ = $1; }
1242     | TryStatement { $$ = $1; }
1243     ;
1244
1245 Statement
1246     : LexSetRegExp Statement_ { $$ = $2; }
1247     ;
1248 /* }}} */
1249 /* 12.1 Block {{{ */
1250 Block_
1251     : "{" StatementListOpt "}" { $$ = $2; }
1252     ;
1253
1254 Block
1255     : Block_ { if ($1) $$ = new(driver.pool_) CYBlock($1); else $$ = new(driver.pool_) CYEmpty(); }
1256     ;
1257
1258 StatementList
1259     : Statement StatementListOpt { $1->SetNext($2); $$ = $1; }
1260     ;
1261
1262 StatementListOpt
1263     : StatementList { $$ = $1; }
1264     | LexSetRegExp { $$ = NULL; }
1265     ;
1266 /* }}} */
1267 /* 12.2 Variable Statement {{{ */
1268 VariableStatement
1269     : "var" VariableDeclarationList Terminator { $$ = new(driver.pool_) CYVar($2); }
1270     ;
1271
1272 VariableDeclarationList_
1273     : "," VariableDeclarationList { $$ = $2; }
1274     | { $$ = NULL; }
1275     ;
1276
1277 VariableDeclarationListNoIn_
1278     : "," VariableDeclarationListNoIn { $$ = $2; }
1279     | { $$ = NULL; }
1280     ;
1281
1282 VariableDeclarationList
1283     : VariableDeclaration VariableDeclarationList_ { $$ = new(driver.pool_) CYDeclarations($1, $2); }
1284     ;
1285
1286 VariableDeclarationListNoIn
1287     : VariableDeclarationNoIn VariableDeclarationListNoIn_ { $$ = new(driver.pool_) CYDeclarations($1, $2); }
1288     ;
1289
1290 VariableDeclaration
1291     : Identifier InitialiserOpt { $$ = new(driver.pool_) CYDeclaration($1, $2); }
1292     ;
1293
1294 VariableDeclarationNoIn
1295     : Identifier InitialiserNoInOpt { $$ = new(driver.pool_) CYDeclaration($1, $2); }
1296     ;
1297
1298 InitialiserOpt
1299     : Initialiser { $$ = $1; }
1300     | { $$ = NULL; }
1301     ;
1302
1303 InitialiserNoInOpt
1304     : InitialiserNoIn { $$ = $1; }
1305     | { $$ = NULL; }
1306     ;
1307
1308 Initialiser
1309     : "=" AssignmentExpression { $$ = $2; }
1310     ;
1311
1312 InitialiserNoIn
1313     : "=" AssignmentExpressionNoIn { $$ = $2; }
1314     ;
1315 /* }}} */
1316 /* 12.3 Empty Statement {{{ */
1317 EmptyStatement
1318     : ";" { $$ = new(driver.pool_) CYEmpty(); }
1319     ;
1320 /* }}} */
1321 /* 12.4 Expression Statement {{{ */
1322 ExpressionStatement
1323     : ExpressionNoBF Terminator { $$ = new(driver.pool_) CYExpress($1); }
1324     ;
1325 /* }}} */
1326 /* 12.5 The if Statement {{{ */
1327 ElseStatementOpt
1328     : "else" Statement { $$ = $2; }
1329     | %prec "if" { $$ = NULL; }
1330     ;
1331
1332 IfStatement
1333     : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = new(driver.pool_) CYIf($3, $5, $6); }
1334     ;
1335 /* }}} */
1336
1337 /* 12.6 Iteration Statements {{{ */
1338 IterationStatement
1339     : DoWhileStatement { $$ = $1; }
1340     | WhileStatement { $$ = $1; }
1341     | ForStatement { $$ = $1; }
1342     | ForInStatement { $$ = $1; }
1343     ;
1344 /* }}} */
1345 /* 12.6.1 The do-while Statement {{{ */
1346 DoWhileStatement
1347     : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = new(driver.pool_) CYDoWhile($5, $2); }
1348     ;
1349 /* }}} */
1350 /* 12.6.2 The while Statement {{{ */
1351 WhileStatement
1352     : "while" "(" Expression ")" Statement { $$ = new(driver.pool_) CYWhile($3, $5); }
1353     ;
1354 /* }}} */
1355 /* 12.6.3 The for Statement {{{ */
1356 ForStatement
1357     : "for" "(" ForStatementInitialiser ";" ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = new(driver.pool_) CYFor($3, $5, $7, $9); }
1358     ;
1359
1360 ForStatementInitialiser
1361     : ExpressionNoInOpt { $$ = $1; }
1362     | LexSetRegExp "var" VariableDeclarationListNoIn { $$ = $3; }
1363     ;
1364 /* }}} */
1365 /* 12.6.4 The for-in Statement {{{ */
1366 ForInStatement
1367     : "for" "(" ForInStatementInitialiser "in" Expression ")" Statement { $$ = new(driver.pool_) CYForIn($3, $5, $7); }
1368     ;
1369
1370 ForInStatementInitialiser
1371     : LeftHandSideExpression { $$ = $1; }
1372     | LexSetRegExp "var" VariableDeclarationNoIn { $$ = $3; }
1373     ;
1374 /* }}} */
1375
1376 /* 12.7 The continue Statement {{{ */
1377 ContinueStatement
1378     : "continue" IdentifierOpt Terminator { $$ = new(driver.pool_) CYContinue($2); }
1379     ;
1380 /* }}} */
1381 /* 12.8 The break Statement {{{ */
1382 BreakStatement
1383     : "break" IdentifierOpt Terminator { $$ = new(driver.pool_) CYBreak($2); }
1384     ;
1385 /* }}} */
1386 /* 12.9 The return Statement {{{ */
1387 ReturnStatement
1388     : "return" ExpressionOpt Terminator { $$ = new(driver.pool_) CYReturn($2); }
1389     ;
1390 /* }}} */
1391 /* 12.10 The with Statement {{{ */
1392 WithStatement
1393     : "with" "(" Expression ")" Statement { $$ = new(driver.pool_) CYWith($3, $5); }
1394     ;
1395 /* }}} */
1396
1397 /* 12.11 The switch Statement {{{ */
1398 SwitchStatement
1399     : "switch" "(" Expression ")" CaseBlock { $$ = new(driver.pool_) CYSwitch($3, $5); }
1400     ;
1401
1402 CaseBlock
1403     : "{" CaseClausesOpt "}" { $$ = $2; }
1404     ;
1405
1406 CaseClausesOpt
1407     : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1408     | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1409     | { $$ = NULL; }
1410     ;
1411
1412 CaseClause
1413     : "case" Expression ":" StatementListOpt { $$ = new(driver.pool_) CYClause($2, $4); }
1414     ;
1415
1416 DefaultClause
1417     : "default" ":" StatementListOpt { $$ = new(driver.pool_) CYClause(NULL, $3); }
1418     ;
1419 /* }}} */
1420 /* 12.12 Labelled Statements {{{ */
1421 LabelledStatement
1422     : Identifier ":" Statement { $$ = new(driver.pool_) CYLabel($1, $3); }
1423     ;
1424 /* }}} */
1425 /* 12.13 The throw Statement {{{ */
1426 ThrowStatement
1427     : "throw" Expression Terminator { $$ = new(driver.pool_) cy::Syntax::Throw($2); }
1428     ;
1429 /* }}} */
1430 /* 12.14 The try Statement {{{ */
1431 TryStatement
1432     : "try" Block_ CatchOpt FinallyOpt { $$ = new(driver.pool_) cy::Syntax::Try($2, $3, $4); }
1433     ;
1434
1435 CatchOpt
1436     : "catch" "(" Identifier ")" Block_ { $$ = new(driver.pool_) cy::Syntax::Catch($3, $5); }
1437     | { $$ = NULL; }
1438     ;
1439
1440 FinallyOpt
1441     : "finally" Block_ { $$ = new(driver.pool_) CYFinally($2); }
1442     | { $$ = NULL; }
1443     ;
1444 /* }}} */
1445
1446 /* 13 Function Definition {{{ */
1447 FunctionDeclaration
1448     : "function" Identifier "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionStatement($2, $4, $7); }
1449     ;
1450
1451 FunctionExpression
1452     : "function" IdentifierOpt "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionExpression($2, $4, $7); }
1453     ;
1454
1455 FormalParameterList_
1456     : "," FormalParameterList { $$ = $2; }
1457     | { $$ = NULL; }
1458     ;
1459
1460 FormalParameterList
1461     : Identifier FormalParameterList_ { $$ = new(driver.pool_) CYFunctionParameter($1, $2); }
1462     | { $$ = NULL; }
1463     ;
1464
1465 FunctionBody
1466     : SourceElements { $$ = $1; }
1467     ;
1468 /* }}} */
1469 /* 14 Program {{{ */
1470 Program
1471     : SourceElements { driver.program_ = new(driver.pool_) CYProgram($1); }
1472     ;
1473
1474 SourceElements
1475     : SourceElement SourceElements { $1->SetNext($2); $$ = $1; }
1476     | LexSetRegExp { $$ = NULL; }
1477     ;
1478
1479 SourceElement_
1480     : Statement_ { $$ = $1; }
1481     | FunctionDeclaration { $$ = $1; }
1482     ;
1483
1484 SourceElement
1485     : LexSetRegExp SourceElement_ { $$ = $2; }
1486     ;
1487 /* }}} */
1488
1489 @begin ObjectiveC
1490 /* Cycript (Objective-C): @class Declaration {{{ */
1491 ClassSuperOpt
1492     /* XXX: why the hell did I choose MemberExpressionNoBF? */
1493     : ":" LexSetRegExp MemberExpressionNoBF { $$ = $3; }
1494     | { $$ = NULL; }
1495     ;
1496
1497 ClassFieldList
1498     : "{" "}" { $$ = NULL; }
1499     ;
1500
1501 MessageScope
1502     : "+" { $$ = false; }
1503     | "-" { $$ = true; }
1504     ;
1505
1506 TypeOpt
1507     : "(" Expression ")" { $$ = $2; }
1508     | { $$ = NULL; }
1509     ;
1510
1511 MessageParameter
1512     : Word ":" TypeOpt Identifier { $$ = new(driver.pool_) CYMessageParameter($1, $3, $4); }
1513     ;
1514
1515 MessageParameterListOpt
1516     : MessageParameterList { $$ = $1; }
1517     | { $$ = NULL; }
1518     ;
1519
1520 MessageParameterList
1521     : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
1522     ;
1523
1524 MessageParameters
1525     : MessageParameterList { $$ = $1; }
1526     | Word { $$ = new(driver.pool_) CYMessageParameter($1, NULL, NULL); }
1527     ;
1528
1529 ClassMessageDeclaration
1530     : MessageScope TypeOpt MessageParameters "{" FunctionBody "}" { $$ = new(driver.pool_) CYMessage($1, $2, $3, $5); }
1531     ;
1532
1533 ClassMessageDeclarationListOpt
1534     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
1535     | { $$ = NULL; }
1536     ;
1537
1538 ClassName
1539     : Identifier { $$ = $1; }
1540     | "(" AssignmentExpression ")" { $$ = $2; }
1541     ;
1542
1543 ClassNameOpt
1544     : ClassName { $$ = $1; }
1545     | { $$ = NULL; }
1546     ;
1547
1548 // XXX: this should be AssignmentExpressionNoRight
1549 ClassProtocols
1550     : ShiftExpression ClassProtocolsOpt { $$ = new(driver.pool_) CYProtocol($1, $2); }
1551     ;
1552
1553 ClassProtocolsOpt
1554     : "," ClassProtocols { $$ = $2; }
1555     | { $$ = NULL; }
1556     ;
1557
1558 ClassProtocolListOpt
1559     : "<" ClassProtocols ">" { $$ = $2; }
1560     | { $$ = NULL; }
1561     ;
1562
1563 ClassExpression
1564     : "@class" ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassExpression($2, $3, $4, $5, $6); }
1565     ;
1566
1567 ClassStatement
1568     : "@class" ClassName ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassStatement($2, $3, $4, $5, $6); }
1569     ;
1570
1571 CategoryStatement
1572     : "@class" ClassName ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYCategory($2, $3); }
1573     ;
1574
1575 PrimaryExpressionBF
1576     : ClassExpression { $$ = $1; }
1577     ;
1578
1579 Statement_
1580     : ClassStatement { $$ = $1; }
1581     | CategoryStatement { $$ = $1; }
1582     ;
1583 /* }}} */
1584 /* Cycript (Objective-C): Send Message {{{ */
1585 VariadicCall
1586     : "," AssignmentExpression VariadicCall { $$ = new(driver.pool_) CYArgument(NULL, $2, $3); }
1587     | { $$ = NULL; }
1588     ;
1589
1590 SelectorCall_
1591     : SelectorCall { $$ = $1; }
1592     | VariadicCall { $$ = $1; }
1593     ;
1594
1595 SelectorCall
1596     : WordOpt ":" AssignmentExpression SelectorCall_ { $$ = new(driver.pool_) CYArgument($1 ?: new(driver.pool_) CYBlank(), $3, $4); }
1597     ;
1598
1599 SelectorList
1600     : SelectorCall { $$ = $1; }
1601     | Word { $$ = new(driver.pool_) CYArgument($1, NULL); }
1602     ;
1603
1604 MessageExpression
1605     : "[" AssignmentExpression SelectorList "]" { $$ = new(driver.pool_) CYSendDirect($2, $3); }
1606     | "[" LexSetRegExp "super" SelectorList "]" { $$ = new(driver.pool_) CYSendSuper($4); }
1607     ;
1608
1609 SelectorExpressionOpt
1610     : SelectorExpression_ { $$ = $1; }
1611     | { $$ = NULL; }
1612     ;
1613
1614 SelectorExpression_
1615     : WordOpt ":" SelectorExpressionOpt { $$ = new(driver.pool_) CYSelectorPart($1, true, $3); }
1616     ;
1617
1618 SelectorExpression
1619     : SelectorExpression_ { $$ = $1; }
1620     | Word { $$ = new(driver.pool_) CYSelectorPart($1, false, NULL); }
1621     ;
1622
1623 PrimaryExpressionNo
1624     : MessageExpression { $$ = $1; }
1625     | "@selector" "(" SelectorExpression ")" { $$ = new(driver.pool_) CYSelector($3); }
1626     ;
1627 /* }}} */
1628 @end
1629
1630 @begin C
1631 /* Cycript (C): Pointer Indirection/Addressing {{{ */
1632 UnaryAssigneeExpression
1633     : "*" UnaryExpressionNoRE { $$ = new(driver.pool_) CYIndirect($2); }
1634     ;
1635
1636 UnaryExpression_
1637     : "&" UnaryExpression { $$ = new(driver.pool_) CYAddressOf($2); }
1638     ;
1639
1640 MemberAccess
1641     : "->" "[" Expression "]" { $$ = new(driver.pool_) CYIndirectMember(NULL, $3); }
1642     | "->" Identifier { $$ = new(driver.pool_) CYIndirectMember(NULL, new(driver.pool_) CYString($2)); }
1643     ;
1644 /* }}} */
1645 @end
1646
1647 /* YUI: Documentation Comments {{{ */
1648 Statement_
1649     : Comment { $$ = $1; }
1650     ;
1651 /* }}} */
1652
1653 @begin E4X
1654 /* Lexer State {{{ */
1655 LexPushRegExp
1656     : { driver.PushCondition(CYDriver::RegExpCondition); }
1657     ;
1658
1659 LexPushXMLContent
1660     : { driver.PushCondition(CYDriver::XMLContentCondition); }
1661     ;
1662
1663 LexPushXMLTag
1664     : { driver.PushCondition(CYDriver::XMLTagCondition); }
1665     ;
1666
1667 LexPop
1668     : { driver.PopCondition(); }
1669     ;
1670
1671 LexSetXMLContent
1672     : { driver.SetCondition(CYDriver::XMLContentCondition); }
1673     ;
1674
1675 LexSetXMLTag
1676     : { driver.SetCondition(CYDriver::XMLTagCondition); }
1677     ;
1678 /* }}} */
1679
1680 XMLWhitespaceOpt
1681     : XMLWhitespace
1682     |
1683     ;
1684
1685 /* 8.1 Context Keywords {{{ */
1686 Identifier
1687     : "namespace" { $$ = $1; }
1688     | "xml" { $$ = $1; }
1689     ;
1690 /* }}} */
1691 /* 8.3 XML Initialiser Input Elements {{{ */
1692 XMLMarkup
1693     : XMLComment { $$ = $1; }
1694     | XMLCDATA { $$ = $1; }
1695     | XMLPI { $$ = $1; }
1696     ;
1697 /* }}} */
1698 /* 11.1 Primary Expressions {{{ */
1699 PrimaryExpressionNo
1700     : PropertyIdentifier { $$ = new(driver.pool_) CYPropertyVariable($1); }
1701     | XMLInitialiser { $$ = $1; }
1702     | XMLListInitialiser { $$ = $1; }
1703     ;
1704
1705 PropertyIdentifier
1706     : AttributeIdentifier { $$ = $1; }
1707     | QualifiedIdentifier { $$ = $1; }
1708     | WildcardIdentifier { $$ = $1; }
1709     ;
1710 /* }}} */
1711 /* 11.1.1 Attribute Identifiers {{{ */
1712 AttributeIdentifier
1713     : "@" QualifiedIdentifier_ { $$ = new(driver.pool_) CYAttribute($2); }
1714     ;
1715
1716 PropertySelector_
1717     : PropertySelector { $$ = $1; }
1718     | "[" Expression "]" { $$ = new(driver.pool_) CYSelector($2); }
1719     ;
1720
1721 PropertySelector
1722     : Identifier { $$ = new(driver.pool_) CYSelector($1); }
1723     | WildcardIdentifier { $$ = $1; }
1724     ;
1725 /* }}} */
1726 /* 11.1.2 Qualified Identifiers {{{ */
1727 QualifiedIdentifier_
1728     : PropertySelector_ { $$ = new(driver.pool_) CYQualified(NULL, $1); }
1729     | QualifiedIdentifier { $$ = $1; }
1730     ;
1731
1732 QualifiedIdentifier
1733     : PropertySelector "::" PropertySelector_ { $$ = new(driver.pool_) CYQualified($1, $3); }
1734     ;
1735 /* }}} */
1736 /* 11.1.3 Wildcard Identifiers {{{ */
1737 WildcardIdentifier
1738     : "*" { $$ = new(driver.pool_) CYWildcard(); }
1739     ;
1740 /* }}} */
1741 /* 11.1.4 XML Initialiser {{{ */
1742 XMLInitialiser
1743     : XMLMarkup { $$ = $1; }
1744     | XMLElement { $$ = $1; }
1745     ;
1746
1747 XMLElement
1748     : "<" XMLTagContent "/>" LexPop
1749     | "<" XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt ">" LexPop
1750     ;
1751
1752 XMLTagContent
1753     : LexPushXMLTag XMLTagName XMLAttributes
1754     ;
1755
1756 XMLExpression
1757     : "{" LexPushRegExp Expression "}" LexPop
1758     ;
1759
1760 XMLTagName
1761     : XMLExpression
1762     | XMLName
1763     ;
1764
1765 XMLAttributes_
1766     : XMLAttributes_ XMLAttribute
1767     |
1768     ;
1769
1770 XMLAttributes
1771     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
1772     | XMLAttributes_ XMLWhitespaceOpt
1773     ;
1774
1775 XMLAttributeValue_
1776     : XMLExpression
1777     | XMLAttributeValue
1778     ;
1779
1780 XMLAttribute
1781     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
1782     ;
1783
1784 XMLElementContent
1785     : XMLExpression XMLElementContentOpt
1786     | XMLMarkup XMLElementContentOpt
1787     | XMLText XMLElementContentOpt
1788     | XMLElement XMLElementContentOpt
1789     ;
1790
1791 XMLElementContentOpt
1792     : XMLElementContent
1793     |
1794     ;
1795 /* }}} */
1796 /* 11.1.5 XMLList Initialiser {{{ */
1797 XMLListInitialiser
1798     : "<>" LexPushXMLContent XMLElementContent "</>" LexPop { $$ = new(driver.pool_) CYXMLList($3); }
1799     ;
1800 /* }}} */
1801 /* 11.2 Left-Hand-Side Expressions {{{ */
1802 PropertyIdentifier_
1803     : Identifier { $$ = $1; }
1804     | PropertyIdentifier { $$ = $1; }
1805     ;
1806
1807 MemberAccess
1808     : "." PropertyIdentifier { $$ = new(driver.pool_) CYPropertyMember(NULL, $2); }
1809     | ".." PropertyIdentifier_ { $$ = new(driver.pool_) CYDescendantMember(NULL, $2); }
1810     | "." "(" Expression ")" { $$ = new(driver.pool_) CYFilteringPredicate(NULL, $3); }
1811     ;
1812 /* }}} */
1813 /* 12.1 The default xml namespace Statement {{{ */
1814 /* XXX: DefaultXMLNamespaceStatement
1815     : "default" "xml" "namespace" "=" Expression Terminator { $$ = new(driver.pool_) CYDefaultXMLNamespace($5); }
1816     ;
1817
1818 Statement_
1819     : DefaultXMLNamespaceStatement { $$ = $1; }
1820     ; */
1821 /* }}} */
1822 @end
1823
1824 /* ECMAScript5: Object Literal Trailing Comma {{{ */
1825 PropertyNameAndValueList_
1826     : "," { $$ = NULL; }
1827     ;
1828 /* }}} */
1829 /* JavaScript 1.7: Array Comprehensions {{{ */
1830 IfComprehension
1831     : "if" "(" Expression ")" { $$ = new(driver.pool_) CYIfComprehension($3); }
1832     ;
1833
1834 ForComprehension
1835     : "for" "(" Identifier "in" Expression ")" { $$ = new(driver.pool_) CYForInComprehension($3, $5); }
1836     | "for" "each" "(" Identifier "in" Expression ")" { $$ = new(driver.pool_) CYForEachInComprehension($4, $6); }
1837     ;
1838
1839 ComprehensionListOpt
1840     : ComprehensionList { $$ = $1; }
1841     | IfComprehension { $$ = $1; }
1842     | { $$ = NULL; }
1843     ;
1844
1845 ComprehensionList
1846     : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
1847     ;
1848
1849 PrimaryExpressionNo
1850     : "[" AssignmentExpression ComprehensionList "]" { $$ = new(driver.pool_) CYArrayComprehension($2, $3); }
1851     ;
1852 /* }}} */
1853 /* JavaScript 1.7: for each {{{ */
1854 ForInStatement
1855     : "for" "each" "(" ForInStatementInitialiser "in" Expression ")" Statement { $$ = new(driver.pool_) CYForEachIn($4, $6, $8); }
1856     ;
1857 /* }}} */
1858 /* JavaScript 1.7: let Statements {{{ *//*
1859 LetStatement
1860     : "let" "(" VariableDeclarationList ")" Block_ { $$ = new(driver.pool_) CYLet($3, $5); }
1861     ;
1862
1863 Statement_
1864     : LetStatement
1865     ;
1866 *//* }}} */
1867 /* JavaScript FTW: Function Statements {{{ */
1868 Statement
1869     : LexSetRegExp FunctionDeclaration { driver.Warning(yylloc, "warning, FunctionDeclaration is a SourceElement, not a Statement"); } { $$ = $2; }
1870     ;
1871 /* }}} */
1872
1873 %%