1 /* Cycript - Optimizing JavaScript Compiler/Runtime
 
   2  * Copyright (C) 2009-2010  Jay Freeman (saurik)
 
   5 /* GNU Lesser General Public License, Version 3 {{{ */
 
   7  * Cycript is free software: you can redistribute it and/or modify it under
 
   8  * the terms of the GNU Lesser General Public License as published by the
 
   9  * Free Software Foundation, either version 3 of the License, or (at your
 
  10  * option) any later version.
 
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
 
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 
  15  * License for more details.
 
  17  * You should have received a copy of the GNU Lesser General Public License
 
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
 
  24 @if Bison24 %code top {
 
  25 #define cyscanner driver.scanner_
 
  26 #define YYSTACKEXPANDABLE 1
 
  27 @if Bison23 #define yyerrok (yyerrstatus_ = 0)
 
  30 @if Bison24 %code requires {
 
  32 #define CYNew new($pool)
 
  35 #include "ObjectiveC/Syntax.hpp"
 
  39 #include "E4X/Syntax.hpp"
 
  48         CYDriver::Condition condition_;
 
  50         CYArgument *argument_;
 
  51         CYAssignment *assignment_;
 
  54         cy::Syntax::Catch *catch_;
 
  56         CYComprehension *comprehension_;
 
  57         CYCompound *compound_;
 
  58         CYDeclaration *declaration_;
 
  59         CYDeclarations *declarations_;
 
  61         CYExpression *expression_;
 
  64         CYForInitialiser *for_;
 
  65         CYForInInitialiser *forin_;
 
  66         CYFunctionParameter *functionParameter_;
 
  67         CYIdentifier *identifier_;
 
  74         CYProperty *property_;
 
  75         CYPropertyName *propertyName_;
 
  76         CYRubyProc *rubyProc_;
 
  77         CYStatement *statement_;
 
  84         CYClassName *className_;
 
  87         CYMessageParameter *messageParameter_;
 
  88         CYProtocol *protocol_;
 
  89         CYSelectorPart *selector_;
 
  93         CYAttribute *attribute_;
 
  94         CYPropertyIdentifier *propertyIdentifier_;
 
  95         CYSelector *selector_;
 
 100 #define YYSTYPE YYSTYPE
 
 103 @if Bison24 %code provides {
 
 104 int cylex(YYSTYPE *, cy::location *, void *);
 
 111 @if Bison23 %skeleton "lalr1.cc"
 
 112 @if Bison24 %language "C++"
 
 115     @$.begin.filename = @$.end.filename = &driver.filename_;
 
 126 %parse-param { CYDriver &driver }
 
 127 %lex-param { void *cyscanner }
 
 134 %token XMLAttributeValue
 
 136 %token XMLTagCharacters
 
 142 %token LeftRight "<>"
 
 143 %token LeftSlashRight "</>"
 
 145 %token SlashRight "/>"
 
 146 %token LeftSlash "</"
 
 148 %token ColonColon "::"
 
 149 %token PeriodPeriod ".."
 
 152 @begin E4X ObjectiveC
 
 157 %token AmpersandAmpersand "&&"
 
 158 %token AmpersandEqual "&="
 
 160 %token CarrotEqual "^="
 
 162 %token EqualEqual "=="
 
 163 %token EqualEqualEqual "==="
 
 164 %token Exclamation "!"
 
 165 %token ExclamationEqual "!="
 
 166 %token ExclamationEqualEqual "!=="
 
 168 %token HyphenEqual "-="
 
 169 %token HyphenHyphen "--"
 
 170 %token HyphenHyphen_ "\n--"
 
 171 %token HyphenRight "->"
 
 173 %token LeftEqual "<="
 
 175 %token LeftLeftEqual "<<="
 
 177 %token PercentEqual "%="
 
 179 %token PeriodPeriodPeriod "..."
 
 181 %token PipeEqual "|="
 
 184 %token PlusEqual "+="
 
 186 %token PlusPlus_ "\n++"
 
 188 %token RightEqual ">="
 
 189 %token RightRight ">>"
 
 190 %token RightRightEqual ">>="
 
 191 %token RightRightRight ">>>"
 
 192 %token RightRightRightEqual ">>>="
 
 194 %token SlashEqual "/="
 
 196 %token StarEqual "*="
 
 205 %token <comment_> Comment
 
 208 %token CloseParen ")"
 
 211 %token OpenBrace_ "\n{"
 
 212 %token OpenBrace__ ";{"
 
 213 %token CloseBrace "}"
 
 215 %token OpenBracket "["
 
 216 %token CloseBracket "]"
 
 219 %token AtClass "@class"
 
 223 %token AtImplementation "@implementation"
 
 224 %token AtImplementation_ ";@implementation"
 
 225 %token AtImport "@import"
 
 227 %token AtSelector "@selector"
 
 230 %token <false_> False "false"
 
 231 %token <null_> Null "null"
 
 232 %token <true_> True "true"
 
 234 // ES3/ES5/WIE/JSC Reserved
 
 235 %token <word_> Break "break"
 
 236 %token <word_> Case "case"
 
 237 %token <word_> Catch "catch"
 
 238 %token <word_> Continue "continue"
 
 239 %token <word_> Default "default"
 
 240 %token <word_> Delete "delete"
 
 241 %token <word_> Do "do"
 
 242 %token <word_> Else "else"
 
 243 %token <word_> Finally "finally"
 
 244 %token <word_> For "for"
 
 245 %token <word_> Function "function"
 
 246 %token <word_> Function_ ";function"
 
 247 %token <word_> If "if"
 
 248 %token <word_> In "in"
 
 249 %token <word_> In_ "!in"
 
 250 %token <word_> InstanceOf "instanceof"
 
 251 %token <word_> New "new"
 
 252 %token <word_> Return "return"
 
 253 %token <word_> Switch "switch"
 
 254 %token <this_> This "this"
 
 255 %token <word_> Throw "throw"
 
 256 %token <word_> Try "try"
 
 257 %token <word_> TypeOf "typeof"
 
 258 %token <word_> Var "var"
 
 259 %token <word_> Void "void"
 
 260 %token <word_> While "while"
 
 261 %token <word_> With "with"
 
 263 // ES3/IE6 Future, ES5/JSC Reserved
 
 264 %token <word_> Debugger "debugger"
 
 266 // ES3/ES5/IE6 Future, JSC Reserved
 
 267 %token <word_> Const "const"
 
 269 // ES3/ES5/IE6/JSC Future
 
 270 %token <word_> Class "class"
 
 271 %token <word_> Enum "enum"
 
 272 %token <word_> Export "export"
 
 273 %token <word_> Extends "extends"
 
 274 %token <word_> Import "import"
 
 275 %token <word_> Super "super"
 
 277 // ES3 Future, ES5 Strict Future
 
 278 %token <identifier_> Implements "implements"
 
 279 %token <identifier_> Interface "interface"
 
 280 %token <identifier_> Package "package"
 
 281 %token <identifier_> Private "private"
 
 282 %token <identifier_> Protected "protected"
 
 283 %token <identifier_> Public "public"
 
 284 %token <identifier_> Static "static"
 
 287 %token <identifier_> Abstract "abstract"
 
 288 %token <identifier_> Boolean "boolean"
 
 289 %token <identifier_> Byte "byte"
 
 290 %token <identifier_> Char "char"
 
 291 %token <identifier_> Double "double"
 
 292 %token <identifier_> Final "final"
 
 293 %token <identifier_> Float "float"
 
 294 %token <identifier_> Goto "goto"
 
 295 %token <identifier_> Int "int"
 
 296 %token <identifier_> Long "long"
 
 297 %token <identifier_> Native "native"
 
 298 %token <identifier_> Short "short"
 
 299 %token <identifier_> Synchronized "synchronized"
 
 300 %token <identifier_> Throws "throws"
 
 301 %token <identifier_> Transient "transient"
 
 302 %token <identifier_> Volatile "volatile"
 
 305 %token <identifier_> Let "let"
 
 306 %token <identifier_> Yield "yield"
 
 309 %token <identifier_> Each "each"
 
 313 %token <identifier_> Namespace "namespace"
 
 314 %token <identifier_> XML "xml"
 
 319 %token <identifier_> Identifier_
 
 320 %token <number_> NumericLiteral
 
 321 %token <string_> StringLiteral
 
 322 %token <literal_> RegularExpressionLiteral
 
 324 %type <expression_> AdditiveExpression
 
 325 %type <argument_> ArgumentList_
 
 326 %type <argument_> ArgumentList
 
 327 %type <argument_> ArgumentListOpt
 
 328 %type <argument_> Arguments
 
 329 %type <literal_> ArrayLiteral
 
 330 %type <expression_> AssignmentExpression
 
 331 %type <identifier_> BindingIdentifier
 
 332 %type <expression_> BitwiseANDExpression
 
 333 %type <statement_> Block_
 
 334 %type <statement_> Block
 
 335 %type <boolean_> BooleanLiteral
 
 336 %type <declaration_> BindingElement
 
 337 %type <expression_> BitwiseORExpression
 
 338 %type <expression_> BitwiseXORExpression
 
 339 %type <statement_> BreakStatement
 
 340 %type <statement_> BreakableStatement
 
 341 %type <expression_> CallExpression_
 
 342 %type <expression_> CallExpression
 
 343 %type <clause_> CaseBlock
 
 344 %type <clause_> CaseClause
 
 345 %type <clause_> CaseClausesOpt
 
 346 %type <catch_> CatchOpt
 
 347 %type <comprehension_> ComprehensionList
 
 348 %type <comprehension_> ComprehensionListOpt
 
 349 %type <expression_> ConditionalExpression
 
 350 %type <statement_> ContinueStatement
 
 351 %type <statement_> DebuggerStatement
 
 352 %type <statement_> Declaration__
 
 353 %type <statement_> Declaration_
 
 354 %type <statement_> Declaration
 
 355 %type <clause_> DefaultClause
 
 356 %type <statement_> DoWhileStatement
 
 357 %type <expression_> Element
 
 358 %type <expression_> ElementOpt
 
 359 %type <element_> ElementList
 
 360 %type <element_> ElementListOpt
 
 361 %type <statement_> ElseStatementOpt
 
 362 %type <statement_> EmptyStatement
 
 363 %type <expression_> EqualityExpression
 
 364 %type <compound_> Expression_
 
 365 %type <expression_> Expression
 
 366 %type <expression_> ExpressionOpt
 
 367 %type <statement_> ExpressionStatement
 
 368 %type <finally_> FinallyOpt
 
 369 %type <comprehension_> ForComprehension
 
 370 %type <statement_> ForStatement
 
 371 %type <for_> ForStatementInitialiser
 
 372 %type <statement_> ForInStatement
 
 373 %type <forin_> ForInStatementInitialiser
 
 374 %type <declaration_> FormalParameter
 
 375 %type <functionParameter_> FormalParameterList_
 
 376 %type <functionParameter_> FormalParameterList
 
 377 %type <functionParameter_> FormalParameterListOpt
 
 378 %type <statement_> FunctionBody
 
 379 %type <statement_> FunctionDeclaration
 
 380 %type <expression_> FunctionExpression
 
 381 %type <identifier_> Identifier
 
 382 %type <identifier_> IdentifierOpt
 
 383 %type <comprehension_> IfComprehension
 
 384 %type <statement_> IfStatement
 
 385 %type <expression_> Initialiser
 
 386 %type <expression_> InitialiserOpt
 
 387 %type <statement_> IterationStatement
 
 388 %type <statement_> LabelledStatement
 
 389 %type <expression_> LeftHandSideExpression
 
 390 %type <statement_> LetStatement
 
 391 %type <statement_> LexicalDeclaration
 
 392 %type <literal_> Literal
 
 393 %type <literal_> LiteralNoRE
 
 394 %type <expression_> LogicalANDExpression
 
 395 %type <expression_> LogicalORExpression
 
 396 %type <member_> MemberAccess
 
 397 %type <expression_> MemberExpression_
 
 398 %type <expression_> MemberExpression
 
 399 %type <expression_> MultiplicativeExpression
 
 400 %type <expression_> NewExpression
 
 401 %type <null_> NullLiteral
 
 402 %type <literal_> ObjectLiteral
 
 403 %type <expression_> Parenthetical
 
 404 %type <expression_> PostfixExpression
 
 405 %type <expression_> PrimaryExpression
 
 406 %type <statement_> Program
 
 407 %type <statement_> ProgramBody
 
 408 %type <statement_> ProgramBodyOpt
 
 409 %type <propertyName_> PropertyName_
 
 410 %type <propertyName_> PropertyName
 
 411 %type <property_> PropertyNameAndValueList_
 
 412 %type <property_> PropertyNameAndValueList
 
 413 %type <property_> PropertyNameAndValueListOpt
 
 414 %type <expression_> RelationalExpression
 
 415 %type <statement_> ReturnStatement
 
 416 %type <rubyProc_> RubyProcExpression
 
 417 %type <functionParameter_> RubyProcParameterList_
 
 418 %type <functionParameter_> RubyProcParameterList
 
 419 %type <functionParameter_> RubyProcParameters
 
 420 %type <functionParameter_> RubyProcParametersOpt
 
 421 %type <expression_> ShiftExpression
 
 422 %type <declaration_> SingleNameBinding
 
 423 %type <statement_> Statement__
 
 424 %type <statement_> Statement_
 
 425 %type <statement_> Statement
 
 426 %type <statement_> StatementList
 
 427 %type <statement_> StatementListOpt
 
 428 %type <statement_> StatementListItem
 
 429 %type <statement_> SwitchStatement
 
 430 %type <statement_> ThrowStatement
 
 431 %type <statement_> TryStatement
 
 432 %type <expression_> UnaryExpression_
 
 433 %type <expression_> UnaryExpression
 
 434 %type <declaration_> VariableDeclaration
 
 435 %type <declarations_> VariableDeclarationList_
 
 436 %type <declarations_> VariableDeclarationList
 
 437 %type <statement_> VariableStatement
 
 438 %type <statement_> WhileStatement
 
 439 %type <statement_> WithStatement
 
 442 %type <statement_> CategoryStatement
 
 443 %type <expression_> ClassExpression
 
 444 %type <statement_> ClassStatement
 
 445 %type <expression_> ClassSuperOpt
 
 446 %type <field_> ClassFieldList
 
 447 %type <message_> ClassMessageDeclaration
 
 448 %type <message_> ClassMessageDeclarationListOpt
 
 449 %type <className_> ClassName
 
 450 %type <className_> ClassNameOpt
 
 451 %type <protocol_> ClassProtocolListOpt
 
 452 %type <protocol_> ClassProtocols
 
 453 %type <protocol_> ClassProtocolsOpt
 
 454 %type <expression_> MessageExpression
 
 455 %type <messageParameter_> MessageParameter
 
 456 %type <messageParameter_> MessageParameters
 
 457 %type <messageParameter_> MessageParameterList
 
 458 %type <messageParameter_> MessageParameterListOpt
 
 459 %type <bool_> MessageScope
 
 460 %type <argument_> SelectorCall_
 
 461 %type <argument_> SelectorCall
 
 462 %type <selector_> SelectorExpression_
 
 463 %type <selector_> SelectorExpression
 
 464 %type <selector_> SelectorExpressionOpt
 
 465 %type <argument_> SelectorList
 
 466 %type <word_> SelectorWordOpt
 
 467 %type <expression_> TypeOpt
 
 468 %type <argument_> VariadicCall
 
 470 %type <word_> WordOpt
 
 474 %type <propertyIdentifier_> PropertyIdentifier_
 
 475 %type <selector_> PropertySelector_
 
 476 %type <selector_> PropertySelector
 
 477 %type <identifier_> QualifiedIdentifier_
 
 478 %type <identifier_> QualifiedIdentifier
 
 479 %type <identifier_> WildcardIdentifier
 
 480 %type <identifier_> XMLComment
 
 481 %type <identifier_> XMLCDATA
 
 482 %type <identifier_> XMLElement
 
 483 %type <identifier_> XMLElementContent
 
 484 %type <identifier_> XMLMarkup
 
 485 %type <identifier_> XMLPI
 
 487 %type <attribute_> AttributeIdentifier
 
 488 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 
 489 %type <expression_> PropertyIdentifier
 
 490 %type <expression_> XMLListInitialiser
 
 491 %type <expression_> XMLInitialiser
 
 504 /* Lexer State {{{ */
 
 506     : { driver.in_.push(true); }
 
 510     : { driver.in_.push(false); }
 
 514     : { driver.in_.pop(); }
 
 518     : { driver.SetCondition(CYDriver::RegExpCondition); }
 
 522     : { switch (yychar) {
 
 523         case token::Function:
 
 524             yychar = token::Function_;
 
 527         case token::OpenBrace:
 
 528         case token::OpenBrace_:
 
 529             yychar = token::OpenBrace__;
 
 541     : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
 
 551     | error { if (yychar != 0 && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
 
 556     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 
 571     : Identifier { $$ = $1; }
 
 572     | "break" NewLineOpt { $$ = $1; }
 
 573     | "case" { $$ = $1; }
 
 574     | "catch" { $$ = $1; }
 
 575     | "class" { $$ = $1; }
 
 576     | "const" { $$ = $1; }
 
 577     | "continue" NewLineOpt { $$ = $1; }
 
 578     | "debugger" { $$ = $1; }
 
 579     | "default" { $$ = $1; }
 
 580     | "delete" { $$ = $1; }
 
 582     | "else" { $$ = $1; }
 
 583     | "enum" { $$ = $1; }
 
 584     | "export" { $$ = $1; }
 
 585     | "extends" { $$ = $1; }
 
 586     | "false" { $$ = $1; }
 
 587     | "finally" { $$ = $1; }
 
 588     /* XXX: | "for" { $$ = $1; } */
 
 589     | "function" { $$ = $1; }
 
 591     | "import" { $$ = $1; }
 
 592     /* XXX: | "in" { $$ = $1; } */
 
 593     /* XXX: | "instanceof" { $$ = $1; } */
 
 595     | "null" { $$ = $1; }
 
 596     | "return" NewLineOpt { $$ = $1; }
 
 597     | "super" { $$ = $1; }
 
 598     | "switch" { $$ = $1; }
 
 599     | "this" { $$ = $1; }
 
 600     | "throw" NewLineOpt { $$ = $1; }
 
 601     | "true" { $$ = $1; }
 
 603     | "typeof" { $$ = $1; }
 
 605     | "void" { $$ = $1; }
 
 606     | "while" { $$ = $1; }
 
 607     | "with" { $$ = $1; }
 
 616     : "@" LiteralNoRE { $$ = CYNew CYBox($2); }
 
 617     | "@" ArrayLiteral { $$ = CYNew CYBox($2); }
 
 618     | "@" ObjectLiteral { $$ = CYNew CYBox($2); }
 
 619     | "@" Parenthetical { $$ = CYNew CYBox($2); }
 
 624     : Identifier_ { $$ = $1; }
 
 626     | "implements" { $$ = $1; }
 
 627     | "interface" { $$ = $1; }
 
 628     | "package" { $$ = $1; }
 
 629     | "private" { $$ = $1; }
 
 630     | "protected" { $$ = $1; }
 
 631     | "public" { $$ = $1; }
 
 632     | "static" { $$ = $1; }
 
 634     | "abstract" { $$ = $1; }
 
 635     | "boolean" { $$ = $1; }
 
 636     | "byte" { $$ = $1; }
 
 637     | "char" { $$ = $1; }
 
 638     | "double" { $$ = $1; }
 
 639     | "final" { $$ = $1; }
 
 640     | "float" { $$ = $1; }
 
 641     | "goto" { $$ = $1; }
 
 643     | "long" { $$ = $1; }
 
 644     | "native" { $$ = $1; }
 
 645     | "short" { $$ = $1; }
 
 646     | "synchronized" { $$ = $1; }
 
 647     | "throws" { $$ = $1; }
 
 648     | "transient" { $$ = $1; }
 
 649     | "volatile" { $$ = $1; }
 
 651     // XXX: is this allowed?! | "let" { $$ = $1; }
 
 652     | "yield" { $$ = $1; }
 
 654     | "each" { $$ = $1; }
 
 658     : Identifier { $$ = $1; }
 
 663     : NullLiteral { $$ = $1; }
 
 664     | BooleanLiteral { $$ = $1; }
 
 665     | NumericLiteral { $$ = $1; }
 
 666     | StringLiteral { $$ = $1; }
 
 670     : LiteralNoRE { $$ = $1; }
 
 671     | RegularExpressionLiteral { $$ = $1; }
 
 675     : "null" { $$ = $1; }
 
 679     : "true" { $$ = $1; }
 
 680     | "false" { $$ = $1; }
 
 683 /* 11.1 Primary Expressions {{{ */
 
 685     : "(" LexPushInOff Expression LexPopIn ")" { $$ = $3; }
 
 689     : "this" { $$ = $1; }
 
 690     | Identifier { $$ = CYNew CYVariable($1); }
 
 691     | Literal { $$ = $1; }
 
 692     | ArrayLiteral { $$ = $1; }
 
 693     | ObjectLiteral { $$ = $1; }
 
 694     | FunctionExpression { $$ = $1; }
 
 695     | Parenthetical { $$ = $1; }
 
 696     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
 
 699 /* 11.1.4.1 Array Initialiser {{{ */
 
 701     : "[" LexPushInOff ElementListOpt LexPopIn "]" { $$ = CYNew CYArray($3); }
 
 705     : AssignmentExpression { $$ = $1; }
 
 709     : Element { $$ = $1; }
 
 710     | LexSetRegExp { $$ = NULL; }
 
 714     : ElementOpt "," ElementListOpt { $$ = CYNew CYElement($1, $3); }
 
 715     | Element { $$ = CYNew CYElement($1, NULL); }
 
 719     : ElementList { $$ = $1; }
 
 720     | LexSetRegExp { $$ = NULL; }
 
 723 /* 11.1.5 Object Initialiser {{{ */
 
 725     : BRACE LexPushInOff PropertyNameAndValueListOpt LexPopIn "}" { $$ = CYNew CYObject($3); }
 
 728 PropertyNameAndValueList_
 
 729     : "," PropertyNameAndValueList { $$ = $2; }
 
 733 PropertyNameAndValueList
 
 734     : PropertyName ":" AssignmentExpression PropertyNameAndValueList_ { $$ = CYNew CYProperty($1, $3, $4); }
 
 737 PropertyNameAndValueListOpt
 
 738     : PropertyNameAndValueList { $$ = $1; }
 
 743     : Identifier { $$ = $1; }
 
 744     | StringLiteral { $$ = $1; }
 
 745     | NumericLiteral { $$ = $1; }
 
 749     : LexSetRegExp PropertyName_ { $$ = $2; }
 
 753 /* 11.2 Left-Hand-Side Expressions {{{ */
 
 755     : "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYDirectMember(NULL, $3); }
 
 756     | "." Identifier { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
 
 757     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
 
 761     : MemberExpression { $$ = $1; }
 
 762     //| "super" { $$ = $1; }
 
 766     : LexSetRegExp PrimaryExpression { $$ = $2; }
 
 767     | MemberExpression_ { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 
 768     | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); }
 
 772     : MemberExpression { $$ = $1; }
 
 773     | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); }
 
 782     : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); }
 
 783     | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 
 787     : "(" LexPushInOff ArgumentListOpt LexPopIn ")" { $$ = $3; }
 
 791     : "," ArgumentList { $$ = $2; }
 
 796     : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); }
 
 800     : ArgumentList { $$ = $1; }
 
 801     | LexSetRegExp { $$ = NULL; }
 
 804 LeftHandSideExpression
 
 805     : NewExpression { $$ = $1; }
 
 806     | CallExpression { $$ = $1; }
 
 809 /* 11.3 Postfix Expressions {{{ */
 
 811     : %prec "" LeftHandSideExpression { $$ = $1; }
 
 812     | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); }
 
 813     | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); }
 
 816 /* 11.4 Unary Operators {{{ */
 
 818     : "delete" UnaryExpression { $$ = CYNew CYDelete($2); }
 
 819     | "void" UnaryExpression { $$ = CYNew CYVoid($2); }
 
 820     | "typeof" UnaryExpression { $$ = CYNew CYTypeOf($2); }
 
 821     | "++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 
 822     | "\n++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 
 823     | "--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 
 824     | "\n--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 
 825     | "+" UnaryExpression { $$ = CYNew CYAffirm($2); }
 
 826     | "-" UnaryExpression { $$ = CYNew CYNegate($2); }
 
 827     | "~" UnaryExpression { $$ = CYNew CYBitwiseNot($2); }
 
 828     | "!" UnaryExpression { $$ = CYNew CYLogicalNot($2); }
 
 832     : PostfixExpression { $$ = $1; }
 
 833     | LexSetRegExp UnaryExpression_ { $$ = $2; }
 
 836 /* 11.5 Multiplicative Operators {{{ */
 
 837 MultiplicativeExpression
 
 838     : UnaryExpression { $$ = $1; }
 
 839     | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); }
 
 840     | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); }
 
 841     | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); }
 
 844 /* 11.6 Additive Operators {{{ */
 
 846     : MultiplicativeExpression { $$ = $1; }
 
 847     | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); }
 
 848     | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); }
 
 851 /* 11.7 Bitwise Shift Operators {{{ */
 
 853     : AdditiveExpression { $$ = $1; }
 
 854     | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); }
 
 855     | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); }
 
 856     | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); }
 
 859 /* 11.8 Relational Operators {{{ */
 
 861     : ShiftExpression { $$ = $1; }
 
 862     | RelationalExpression "<" ShiftExpression { $$ = CYNew CYLess($1, $3); }
 
 863     | RelationalExpression ">" ShiftExpression { $$ = CYNew CYGreater($1, $3); }
 
 864     | RelationalExpression "<=" ShiftExpression { $$ = CYNew CYLessOrEqual($1, $3); }
 
 865     | RelationalExpression ">=" ShiftExpression { $$ = CYNew CYGreaterOrEqual($1, $3); }
 
 866     | RelationalExpression "instanceof" ShiftExpression { $$ = CYNew CYInstanceOf($1, $3); }
 
 867     | RelationalExpression "in" ShiftExpression { $$ = CYNew CYIn($1, $3); }
 
 870 /* 11.9 Equality Operators {{{ */
 
 872     : RelationalExpression { $$ = $1; }
 
 873     | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); }
 
 874     | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); }
 
 875     | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); }
 
 876     | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); }
 
 879 /* 11.10 Binary Bitwise Operators {{{ */
 
 881     : EqualityExpression { $$ = $1; }
 
 882     | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); }
 
 886     : BitwiseANDExpression { $$ = $1; }
 
 887     | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); }
 
 891     : BitwiseXORExpression { $$ = $1; }
 
 892     | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); }
 
 895 /* 11.11 Binary Logical Operators {{{ */
 
 897     : BitwiseORExpression { $$ = $1; }
 
 898     | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); }
 
 902     : LogicalANDExpression { $$ = $1; }
 
 903     | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); }
 
 906 /* 11.12 Conditional Operator ( ? : ) {{{ */
 
 907 ConditionalExpression
 
 908     : LogicalORExpression { $$ = $1; }
 
 909     | LogicalORExpression "?" LexPushInOff AssignmentExpression LexPopIn ":" AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
 
 912 /* 11.13 Assignment Operators {{{ */
 
 914     : ConditionalExpression { $$ = $1; }
 
 915     | LeftHandSideExpression "=" AssignmentExpression { $$ = CYNew CYAssign($1, $3); }
 
 916     | LeftHandSideExpression "*=" AssignmentExpression { $$ = CYNew CYMultiplyAssign($1, $3); }
 
 917     | LeftHandSideExpression "/=" AssignmentExpression { $$ = CYNew CYDivideAssign($1, $3); }
 
 918     | LeftHandSideExpression "%=" AssignmentExpression { $$ = CYNew CYModulusAssign($1, $3); }
 
 919     | LeftHandSideExpression "+=" AssignmentExpression { $$ = CYNew CYAddAssign($1, $3); }
 
 920     | LeftHandSideExpression "-=" AssignmentExpression { $$ = CYNew CYSubtractAssign($1, $3); }
 
 921     | LeftHandSideExpression "<<=" AssignmentExpression { $$ = CYNew CYShiftLeftAssign($1, $3); }
 
 922     | LeftHandSideExpression ">>=" AssignmentExpression { $$ = CYNew CYShiftRightSignedAssign($1, $3); }
 
 923     | LeftHandSideExpression ">>>=" AssignmentExpression { $$ = CYNew CYShiftRightUnsignedAssign($1, $3); }
 
 924     | LeftHandSideExpression "&=" AssignmentExpression { $$ = CYNew CYBitwiseAndAssign($1, $3); }
 
 925     | LeftHandSideExpression "^=" AssignmentExpression { $$ = CYNew CYBitwiseXOrAssign($1, $3); }
 
 926     | LeftHandSideExpression "|=" AssignmentExpression { $$ = CYNew CYBitwiseOrAssign($1, $3); }
 
 929 /* 11.14 Comma Operator {{{ */
 
 931     : "," Expression { $$ = CYNew CYCompound($2); }
 
 936     : AssignmentExpression Expression_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
 
 940     : Expression { $$ = $1; }
 
 941     | LexSetRegExp { $$ = NULL; }
 
 945 /* 12 Statements {{{ */
 
 948     | VariableStatement { $$ = $1; }
 
 949     | EmptyStatement { $$ = $1; }
 
 950     | IfStatement { $$ = $1; }
 
 951     | BreakableStatement { $$ = $1; }
 
 952     | ContinueStatement { $$ = $1; }
 
 953     | BreakStatement { $$ = $1; }
 
 954     | ReturnStatement { $$ = $1; }
 
 955     | WithStatement { $$ = $1; }
 
 956     | LabelledStatement { $$ = $1; }
 
 957     | ThrowStatement { $$ = $1; }
 
 958     | TryStatement { $$ = $1; }
 
 959     | DebuggerStatement { $$ = $1; }
 
 963     : LexSetRegExp Statement__ { $$ = $2; }
 
 964     | ExpressionStatement { $$ = $1; }
 
 968     : LexSetStatement Statement_ { $$ = $2; }
 
 972     : FunctionDeclaration { $$ = $1; }
 
 973     | LexicalDeclaration { $$ = $1; }
 
 977     : LexSetRegExp Declaration__ { $$ = $2; }
 
 981     : LexSetStatement Declaration_ { $$ = $2; }
 
 985     : IterationStatement { $$ = $1; }
 
 986     | SwitchStatement { $$ = $1; }
 
 991     : BRACE StatementListOpt "}" { $$ = $2; }
 
 995     : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); }
 
 999     : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; }
 
1003     : StatementList { $$ = $1; }
 
1004     | LexSetRegExp { $$ = NULL; }
 
1008     : Statement { $$ = $1; }
 
1009     | Declaration { $$ = $1; }
 
1012 /* 12.2 Declarations {{{ */
 
1014     : Identifier { $$ = $1; }
 
1017 // XXX: BindingPattern
 
1019 /* 12.2.1 Let and Const Declarations {{{ */
 
1021     : LetOrConst VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
 
1029 /* 12.2.2 Variable Statement {{{ */
 
1031     : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
 
1034 VariableDeclarationList_
 
1035     : "," VariableDeclarationList { $$ = $2; }
 
1039 VariableDeclarationList
 
1040     : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); }
 
1044     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
 
1045     // XXX: | BindingPattern Initialiser { $$ = CYNew CYDeclaration($1, $2); }
 
1049     : "=" AssignmentExpression { $$ = $2; }
 
1053     : Initialiser { $$ = $1; }
 
1057 /* 12.2.4 Destructuring Binding Patterns {{{ */
 
1061     : SingleNameBinding { $$ = $1; }
 
1065     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
 
1068 /* 12.3 Empty Statement {{{ */
 
1070     : ";" { $$ = CYNew CYEmpty(); }
 
1073 /* 12.4 Expression Statement {{{ */
 
1075     : Expression Terminator { $$ = CYNew CYExpress($1); }
 
1078 /* 12.5 The if Statement {{{ */
 
1080     : "else" Statement { $$ = $2; }
 
1081     | %prec "if" { $$ = NULL; }
 
1085     : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); }
 
1089 /* 12.6 Iteration Statements {{{ */
 
1091     : DoWhileStatement { $$ = $1; }
 
1092     | WhileStatement { $$ = $1; }
 
1093     | ForStatement { $$ = $1; }
 
1094     | ForInStatement { $$ = $1; }
 
1097 /* 12.6.1 The do-while Statement {{{ */
 
1099     : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); }
 
1102 /* 12.6.2 The while Statement {{{ */
 
1104     : "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); }
 
1107 /* 12.6.3 The for Statement {{{ */
 
1109     : "for" "(" LexPushInOn ForStatementInitialiser LexPopIn ";" ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
 
1112 ForStatementInitialiser
 
1113     : ExpressionOpt { $$ = $1; }
 
1114     | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
 
1117 /* 12.6.4 The for-in Statement {{{ */
 
1119     : "for" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
 
1122 ForInStatementInitialiser
 
1123     : LeftHandSideExpression { $$ = $1; }
 
1124     | LexSetRegExp "var" VariableDeclaration { $$ = $3; }
 
1128 /* 12.7 The continue Statement {{{ */
 
1130     : "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); }
 
1133 /* 12.8 The break Statement {{{ */
 
1135     : "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); }
 
1138 /* 12.9 The return Statement {{{ */
 
1140     : "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
 
1143 /* 12.10 The with Statement {{{ */
 
1145     : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); }
 
1149 /* 12.11 The switch Statement {{{ */
 
1151     : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); }
 
1155     : BRACE CaseClausesOpt "}" { $$ = $2; }
 
1159     : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); }
 
1163     : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
 
1164     | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
 
1169     : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); }
 
1172 /* 12.12 Labelled Statements {{{ */
 
1174     : Identifier ":" Statement { $$ = CYNew CYLabel($1, $3); }
 
1177 /* 12.13 The throw Statement {{{ */
 
1179     : "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
 
1182 /* 12.14 The try Statement {{{ */
 
1184     : "try" Block_ CatchOpt FinallyOpt { $$ = CYNew cy::Syntax::Try($2, $3, $4); }
 
1188     : "catch" "(" Identifier ")" Block_ { $$ = CYNew cy::Syntax::Catch($3, $5); }
 
1193     : "finally" Block_ { $$ = CYNew CYFinally($2); }
 
1197 /* 12.14 The debugger Statement {{{ */
 
1199     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
 
1203 /* 13 Function Definition {{{ */
 
1205     : ";function" Identifier "(" FormalParameterListOpt ")" BRACE FunctionBody "}" { $$ = CYNew CYFunctionStatement($2, $4, $7); }
 
1209     : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt LexPopIn ")" BRACE LexPushInOff FunctionBody LexPopIn "}" { $$ = CYNew CYFunctionExpression($2, $5, $10); }
 
1212 FormalParameterList_
 
1213     : "," FormalParameterList { $$ = $2; }
 
1218     // XXX: : FunctionRestParameter { $$ = $1; }
 
1219     : FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); }
 
1222 FormalParameterListOpt
 
1223     : FormalParameterList
 
1227 /* XXX: FunctionRestParameter
 
1228     : "..." BindingIdentifier { $$ = CYNew CYFunctionRestParameter($2); }
 
1232     : BindingElement { $$ = $1; }
 
1236     : StatementListOpt { $$ = $1; }
 
1239 /* 14 Program {{{ */
 
1241     : ProgramBodyOpt { driver.program_ = CYNew CYProgram($1); }
 
1245     : StatementList { $$ = $1; }
 
1249     : ProgramBody { $$ = $1; }
 
1255 /* Cycript (Objective-C): @class Declaration {{{ */
 
1257     /* XXX: why the hell did I choose MemberExpression? */
 
1258     : ":" LexSetRegExp MemberExpression { $$ = $3; }
 
1263     : Expression Identifier ";"
 
1267     : BRACE ClassFieldListOpt "}" { $$ = NULL; }
 
1271     : ClassFieldListOpt ClassField
 
1276     : "+" { $$ = false; }
 
1277     | "-" { $$ = true; }
 
1281     : "(" Expression ")" { $$ = $2; }
 
1282     | "(" LexSetRegExp "void" ")" { $$ = NULL; }
 
1287     : Word ":" TypeOpt Identifier { $$ = CYNew CYMessageParameter($1, $3, $4); }
 
1290 MessageParameterList
 
1291     : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
 
1294 MessageParameterListOpt
 
1295     : MessageParameterList { $$ = $1; }
 
1300     : MessageParameterList { $$ = $1; }
 
1301     | Word { $$ = CYNew CYMessageParameter($1, NULL, NULL); }
 
1304 ClassMessageDeclaration
 
1305     : MessageScope TypeOpt MessageParameters BRACE FunctionBody "}" { $$ = CYNew CYMessage($1, $2, $3, $5); }
 
1308 ClassMessageDeclarationListOpt
 
1309     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
 
1310     | ClassMessageDeclarationListOpt Comment { $$ = $1; }
 
1315     : Identifier { $$ = $1; }
 
1316     | "(" AssignmentExpression ")" { $$ = $2; }
 
1320     : ClassName { $$ = $1; }
 
1324 // XXX: this should be AssignmentExpressionNoRight
 
1326     : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); }
 
1330     : "," ClassProtocols { $$ = $2; }
 
1334 ClassProtocolListOpt
 
1335     : "<" ClassProtocols ">" { $$ = $2; }
 
1340     : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
 
1344     : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
 
1352     : ";@implementation" ClassName CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); }
 
1356     : ClassExpression { $$ = $1; }
 
1360     : ClassStatement { $$ = $1; }
 
1361     | CategoryStatement { $$ = $1; }
 
1364 /* Cycript (Objective-C): Send Message {{{ */
 
1366     : "," AssignmentExpression VariadicCall { $$ = CYNew CYArgument(NULL, $2, $3); }
 
1371     : WordOpt { driver.contexts_.back().words_.push_back($1); } { $$ = $1; }
 
1372     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
 
1376     : SelectorCall { $$ = $1; }
 
1377     | VariadicCall { $$ = $1; }
 
1381     : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYBlank(), $3, $4); }
 
1385     : SelectorCall { $$ = $1; }
 
1386     | Word { $$ = CYNew CYArgument($1, NULL); }
 
1390     : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList LexPopIn "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
 
1391     | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList LexPopIn "]" { $$ = CYNew CYSendSuper($6); }
 
1395     : WordOpt ":" SelectorExpressionOpt { $$ = CYNew CYSelectorPart($1, true, $3); }
 
1399     : SelectorExpression_ { $$ = $1; }
 
1400     | Word { $$ = CYNew CYSelectorPart($1, false, NULL); }
 
1403 SelectorExpressionOpt
 
1404     : SelectorExpression_ { $$ = $1; }
 
1409     : MessageExpression { $$ = $1; }
 
1410     | "@selector" "(" LexPushInOff SelectorExpression LexPopIn ")" { $$ = CYNew CYSelector($4); }
 
1413 /* Cycript (Objective-C): @import Directive {{{ */
 
1427     : "@import" ImportPath { $$ = CYNew CYImport(); }
 
1433 /* Cycript (C): Pointer Indirection/Addressing {{{ */
 
1434 LeftHandSideExpression
 
1435     : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); }
 
1439     : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); }
 
1443     : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); }
 
1444     | "->" Identifier { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); }
 
1445     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
 
1450 /* YUI: Documentation Comments {{{ */
 
1452     : Comment { $$ = $1; }
 
1457 /* Lexer State {{{ */
 
1459     : { driver.PushCondition(CYDriver::RegExpCondition); }
 
1463     : { driver.PushCondition(CYDriver::XMLContentCondition); }
 
1467     : { driver.PushCondition(CYDriver::XMLTagCondition); }
 
1471     : { driver.PopCondition(); }
 
1475     : { driver.SetCondition(CYDriver::XMLContentCondition); }
 
1479     : { driver.SetCondition(CYDriver::XMLTagCondition); }
 
1488 /* 8.1 Context Keywords {{{ */
 
1490     : "namespace" { $$ = $1; }
 
1491     | "xml" { $$ = $1; }
 
1494 /* 8.3 XML Initialiser Input Elements {{{ */
 
1496     : XMLComment { $$ = $1; }
 
1497     | XMLCDATA { $$ = $1; }
 
1498     | XMLPI { $$ = $1; }
 
1501 /* 11.1 Primary Expressions {{{ */
 
1503     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
 
1504     | XMLInitialiser { $$ = $1; }
 
1505     | XMLListInitialiser { $$ = $1; }
 
1509     : AttributeIdentifier { $$ = $1; }
 
1510     | QualifiedIdentifier { $$ = $1; }
 
1511     | WildcardIdentifier { $$ = $1; }
 
1514 /* 11.1.1 Attribute Identifiers {{{ */
 
1516     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
 
1520     : PropertySelector { $$ = $1; }
 
1521     | "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYSelector($3); }
 
1525     : Identifier { $$ = CYNew CYSelector($1); }
 
1526     | WildcardIdentifier { $$ = $1; }
 
1529 /* 11.1.2 Qualified Identifiers {{{ */
 
1530 QualifiedIdentifier_
 
1531     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
 
1532     | QualifiedIdentifier { $$ = $1; }
 
1536     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
 
1539 /* 11.1.3 Wildcard Identifiers {{{ */
 
1541     : "*" { $$ = CYNew CYWildcard(); }
 
1544 /* 11.1.4 XML Initialiser {{{ */
 
1546     : XMLMarkup { $$ = $1; }
 
1547     | XMLElement { $$ = $1; }
 
1551     : "<" LexPushInOff XMLTagContent LexPop LexPopIn "/>"
 
1552     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop LexPopIn ">"
 
1556     : LexPushXMLTag XMLTagName XMLAttributes
 
1560     : BRACE LexPushRegExp Expression LexPop "}"
 
1569     : XMLAttributes_ XMLAttribute
 
1574     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
 
1575     | XMLAttributes_ XMLWhitespaceOpt
 
1584     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
 
1588     : XMLExpression XMLElementContentOpt
 
1589     | XMLMarkup XMLElementContentOpt
 
1590     | XMLText XMLElementContentOpt
 
1591     | XMLElement XMLElementContentOpt
 
1594 XMLElementContentOpt
 
1599 /* 11.1.5 XMLList Initialiser {{{ */
 
1601     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "</>" { $$ = CYNew CYXMLList($4); }
 
1604 /* 11.2 Left-Hand-Side Expressions {{{ */
 
1606     : Identifier { $$ = $1; }
 
1607     | PropertyIdentifier { $$ = $1; }
 
1611     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
 
1612     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
 
1613     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
 
1616 /* 12.1 The default xml namespace Statement {{{ */
 
1617 /* XXX: DefaultXMLNamespaceStatement
 
1618     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
 
1622     : DefaultXMLNamespaceStatement { $$ = $1; }
 
1627 /* ECMAScript5: Object Literal Trailing Comma {{{ */
 
1628 PropertyNameAndValueList_
 
1629     : "," { $$ = NULL; }
 
1633 /* JavaScript 1.7: Array Comprehensions {{{ */
 
1635     : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }
 
1639     : "for" "(" LexPushInOn Identifier LexPopIn "!in" Expression ")" { $$ = CYNew CYForInComprehension($4, $7); }
 
1640     | "for" "each" "(" LexPushInOn Identifier LexPopIn "!in" Expression ")" { $$ = CYNew CYForEachInComprehension($5, $8); }
 
1644     : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
 
1647 ComprehensionListOpt
 
1648     : ComprehensionList { $$ = $1; }
 
1649     | IfComprehension { $$ = $1; }
 
1654     : "[" LexPushInOff AssignmentExpression ComprehensionList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
 
1657 /* JavaScript 1.7: for each {{{ */
 
1659     : "for" "each" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForEachIn($5, $8, $10); }
 
1662 /* JavaScript 1.7: let Statements {{{ */
 
1664     : "let" "(" VariableDeclarationList ")" Statement { $$ = CYNew CYLetStatement($3, $5); }
 
1672 /* JavaScript FTW: Ruby Blocks {{{ */
 
1673 RubyProcParameterList_
 
1674     : "," RubyProcParameterList { $$ = $2; }
 
1678 RubyProcParameterList
 
1679     : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); }
 
1684     : "|" RubyProcParameterList "|" { $$ = $2; }
 
1685     | "||" { $$ = NULL; }
 
1688 RubyProcParametersOpt
 
1689     : RubyProcParameters
 
1694     : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
 
1698     : "{" LexPushInOff RubyProcParameters StatementListOpt LexPopIn "}" { $$ = CYNew CYRubyProc($3, $4); }
 
1702     : CallExpression_ RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }