Cycript.yy.in

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 %code top {
  23 #define cyscanner driver.scanner_
  24 #define YYSTACKEXPANDABLE 1
  25 }
  26
  27 %code requires {
  28 #include "Driver.hpp"
  29 #include "Parser.hpp"
  30 #include "Stack.hpp"
  31 #define CYNew new(driver.pool_)
  32
  33 @begin ObjectiveC
  34 #include "ObjectiveC/Syntax.hpp"
  35 @end
  36
  37 @begin E4X
  38 #include "E4X/Syntax.hpp"
  39 @end
  40
  41 #include "Highlight.hpp"
  42
  43 typedef struct {
  44     bool newline_;
  45     hi::Value highlight_;
  46
  47     union {
  48         bool bool_;
  49
  50         CYDriver::Condition condition_;
  51
  52         CYArgument *argument_;
  53         CYAssignment *assignment_;
  54         CYBoolean *boolean_;
  55         CYClause *clause_;
  56         cy::Syntax::Catch *catch_;
  57         CYComment *comment_;
  58         CYComprehension *comprehension_;
  59         CYDeclaration *declaration_;
  60         CYDeclarations *declarations_;
  61         CYElement *element_;
  62         CYExpression *expression_;
  63         CYFalse *false_;
  64         CYFinally *finally_;
  65         CYForInitialiser *for_;
  66         CYForInInitialiser *forin_;
  67         CYFunctionParameter *functionParameter_;
  68         CYIdentifier *identifier_;
  69         CYInfix *infix_;
  70         CYLiteral *literal_;
  71         CYMember *member_;
  72         CYModule *module_;
  73         CYNull *null_;
  74         CYNumber *number_;
  75         CYParenthetical *parenthetical_;
  76         CYProgram *program_;
  77         CYProperty *property_;
  78         CYPropertyName *propertyName_;
  79         CYRubyProc *rubyProc_;
  80         CYStatement *statement_;
  81         CYString *string_;
  82         CYThis *this_;
  83         CYTrue *true_;
  84         CYWord *word_;
  85
  86 @begin C
  87         CYTypeModifier *modifier_;
  88         CYTypeSpecifier *specifier_;
  89         CYTypedIdentifier *typedIdentifier_;
  90         CYTypedParameter *typedParameter_;
  91 @end
  92
  93 @begin ObjectiveC
  94         CYClassName *className_;
  95         CYClassField *classField_;
  96         CYMessage *message_;
  97         CYMessageParameter *messageParameter_;
  98         CYProtocol *protocol_;
  99         CYSelectorPart *selector_;
 100 @end
 101
 102 @begin E4X
 103         CYAttribute *attribute_;
 104         CYPropertyIdentifier *propertyIdentifier_;
 105         CYSelector *selector_;
 106 @end
 107     };
 108 } YYSTYPE;
 109
 110 #define YYSTYPE YYSTYPE
 111 }
 112
 113 %code provides {
 114 int cylex(YYSTYPE *, CYLocation *, void *);
 115 }
 116
 117 %name-prefix "cy"
 118
 119 %language "C++"
 120
 121 %initial-action {
 122     @$.begin.filename = @$.end.filename = &driver.filename_;
 123 };
 124
 125 %locations
 126 %defines
 127
 128 %define api.location.type { CYLocation }
 129
 130 //%glr-parser
 131 //%expect 1
 132
 133 %error-verbose
 134
 135 %parse-param { CYDriver &driver }
 136 %lex-param { void *cyscanner }
 137
 138 /* Token Declarations {{{ */
 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 %token Pound "#"
 165 @end
 166
 167 %token Ampersand "&"
 168 %token AmpersandAmpersand "&&"
 169 %token AmpersandEqual "&="
 170 %token Carrot "^"
 171 %token CarrotEqual "^="
 172 %token Equal "="
 173 %token EqualEqual "=="
 174 %token EqualEqualEqual "==="
 175 %token EqualRight "=>"
 176 %token EqualRight_ "\n=>"
 177 %token Exclamation "!"
 178 %token ExclamationEqual "!="
 179 %token ExclamationEqualEqual "!=="
 180 %token Hyphen "-"
 181 %token HyphenEqual "-="
 182 %token HyphenHyphen "--"
 183 %token HyphenHyphen_ "\n--"
 184 %token HyphenRight "->"
 185 %token Left "<"
 186 %token LeftEqual "<="
 187 %token LeftLeft "<<"
 188 %token LeftLeftEqual "<<="
 189 %token Percent "%"
 190 %token PercentEqual "%="
 191 %token Period "."
 192 %token PeriodPeriodPeriod "..."
 193 %token Pipe "|"
 194 %token PipeEqual "|="
 195 %token PipePipe "||"
 196 %token Plus "+"
 197 %token PlusEqual "+="
 198 %token PlusPlus "++"
 199 %token PlusPlus_ "\n++"
 200 %token Right ">"
 201 %token RightEqual ">="
 202 %token RightRight ">>"
 203 %token RightRightEqual ">>="
 204 %token RightRightRight ">>>"
 205 %token RightRightRightEqual ">>>="
 206 %token Slash "/"
 207 %token SlashEqual "/="
 208 %token Star "*"
 209 %token StarEqual "*="
 210 %token Tilde "~"
 211
 212 %token Colon ":"
 213 %token Comma ","
 214 %token Question "?"
 215 %token SemiColon ";"
 216 %token NewLine "\n"
 217
 218 %token <comment_> Comment
 219
 220 %token OpenParen "("
 221 %token CloseParen ")"
 222
 223 %token OpenBrace "{"
 224 %token OpenBrace_ "\n{"
 225 %token OpenBrace__ ";{"
 226 %token CloseBrace "}"
 227
 228 %token OpenBracket "["
 229 %token CloseBracket "]"
 230
 231 %token AtError "@error"
 232
 233 @begin Java
 234 %token AtClass "@class"
 235 @end
 236
 237 @begin C
 238 %token <identifier_> Typedef "typedef"
 239 %token <identifier_> Unsigned "unsigned"
 240 %token <identifier_> Signed "signed"
 241 %token <identifier_> Extern "extern"
 242 @end
 243
 244 @begin C
 245 %token AtEncode "@encode"
 246 @end
 247
 248 @begin ObjectiveC
 249 %token AtImplementation "@implementation"
 250 %token AtImplementation_ ";@implementation"
 251 %token AtImport "@import"
 252 %token AtEnd "@end"
 253 %token AtSelector "@selector"
 254 %token AtNull "@null"
 255 %token AtYes "@YES"
 256 %token AtNo "@NO"
 257 %token AtTrue "@true"
 258 %token AtFalse "@false"
 259 %token <identifier_> Yes "YES"
 260 %token <identifier_> No "NO"
 261 @end
 262
 263 %token False "false"
 264 %token Null "null"
 265 %token True "true"
 266
 267 // ES3/ES5/WIE/JSC Reserved
 268 %token Auto "auto"
 269 %token Break "break"
 270 %token Case "case"
 271 %token Catch "catch"
 272 %token Continue "continue"
 273 %token Default "default"
 274 %token Delete "delete"
 275 %token Do "do"
 276 %token Else "else"
 277 %token Finally "finally"
 278 %token For "for"
 279 %token Function "function"
 280 %token Function_ ";function"
 281 %token If "if"
 282 %token In "in"
 283 %token In_ "!in"
 284 %token InstanceOf "instanceof"
 285 %token New "new"
 286 %token Return "return"
 287 %token Switch "switch"
 288 %token This "this"
 289 %token Throw "throw"
 290 %token Try "try"
 291 %token TypeOf "typeof"
 292 %token Var "var"
 293 %token Void "void"
 294 %token While "while"
 295 %token With "with"
 296
 297 // ES3/IE6 Future, ES5/JSC Reserved
 298 %token Debugger "debugger"
 299
 300 // ES3/ES5/IE6 Future, JSC Reserved
 301 %token Const "const"
 302
 303 // ES3/ES5/IE6/JSC Future
 304 %token Class "class"
 305 %token Enum "enum"
 306 %token Export "export"
 307 %token Extends "extends"
 308 %token Import "import"
 309 %token Super "super"
 310
 311 // ES3 Future, ES5 Strict Future
 312 %token <identifier_> Implements "implements"
 313 %token <identifier_> Interface "interface"
 314 %token <identifier_> Package "package"
 315 %token <identifier_> Private "private"
 316 %token <identifier_> Protected "protected"
 317 %token <identifier_> Public "public"
 318 %token <identifier_> Static "static"
 319
 320 // ES3 Future
 321 %token <identifier_> Abstract "abstract"
 322 %token <identifier_> Boolean "boolean"
 323 %token <identifier_> Byte "byte"
 324 %token <identifier_> Char "char"
 325 %token <identifier_> Double "double"
 326 %token <identifier_> Final "final"
 327 %token <identifier_> Float "float"
 328 %token <identifier_> Goto "goto"
 329 %token <identifier_> Int "int"
 330 %token <identifier_> Long "long"
 331 %token <identifier_> Native "native"
 332 %token <identifier_> Short "short"
 333 %token <identifier_> Synchronized "synchronized"
 334 %token <identifier_> Throws "throws"
 335 %token <identifier_> Transient "transient"
 336 %token <identifier_> Volatile "volatile"
 337
 338 // ES5 Strict
 339 %token <identifier_> Let "let"
 340 %token <identifier_> Yield "yield"
 341
 342 // Woah?!
 343 %token <identifier_> Each "each"
 344 %token <identifier_> Of "of"
 345
 346 @begin E4X
 347 // E4X Conditional
 348 %token <identifier_> Namespace "namespace"
 349 %token <identifier_> XML "xml"
 350 @end
 351
 352 %token AutoComplete
 353
 354 %token <identifier_> Identifier_
 355 %token <number_> NumericLiteral
 356 %token <string_> StringLiteral
 357 %token <literal_> RegularExpressionLiteral
 358
 359 %type <expression_> AdditiveExpression
 360 %type <argument_> ArgumentList_
 361 %type <argument_> ArgumentList
 362 %type <argument_> ArgumentListOpt
 363 %type <argument_> Arguments
 364 %type <expression_> ArrayComprehension
 365 %type <expression_> ArrayInitialiser
 366 %type <literal_> ArrayLiteral
 367 %type <expression_> ArrowFunction
 368 %type <functionParameter_> ArrowParameters
 369 %type <expression_> AssignmentExpression
 370 %type <identifier_> Binding
 371 %type <identifier_> BindingIdentifier
 372 %type <expression_> BitwiseANDExpression
 373 %type <statement_> Block_
 374 %type <statement_> Block
 375 %type <boolean_> BooleanLiteral
 376 %type <declaration_> BindingElement
 377 %type <expression_> BitwiseORExpression
 378 %type <expression_> BitwiseXORExpression
 379 %type <statement_> BreakStatement
 380 %type <statement_> BreakableStatement
 381 %type <expression_> CallExpression_
 382 %type <expression_> CallExpression
 383 %type <clause_> CaseBlock
 384 %type <clause_> CaseClause
 385 %type <clause_> CaseClausesOpt
 386 %type <catch_> CatchOpt
 387 %type <expression_> Comprehension
 388 %type <comprehension_> ComprehensionFor
 389 %type <comprehension_> ComprehensionIf
 390 %type <comprehension_> ComprehensionTail
 391 %type <expression_> ConditionalExpression
 392 %type <statement_> ContinueStatement
 393 %type <statement_> ConciseBody
 394 %type <statement_> DebuggerStatement
 395 %type <statement_> Declaration__
 396 %type <statement_> Declaration_
 397 %type <statement_> Declaration
 398 %type <clause_> DefaultClause
 399 %type <expression_> Element
 400 %type <expression_> ElementOpt
 401 %type <element_> ElementList
 402 %type <element_> ElementListOpt
 403 %type <statement_> ElseStatementOpt
 404 %type <statement_> EmptyStatement
 405 %type <expression_> EqualityExpression
 406 %type <expression_> Expression
 407 %type <expression_> ExpressionOpt
 408 %type <statement_> ExpressionStatement
 409 %type <finally_> FinallyOpt
 410 %type <for_> ForStatementInitialiser
 411 %type <forin_> ForInStatementInitialiser
 412 %type <declaration_> FormalParameter
 413 %type <functionParameter_> FormalParameterList_
 414 %type <functionParameter_> FormalParameterList
 415 %type <functionParameter_> FormalParameterListOpt
 416 %type <statement_> FunctionBody
 417 %type <statement_> FunctionDeclaration
 418 %type <expression_> FunctionExpression
 419 %type <identifier_> Identifier
 420 %type <identifier_> IdentifierOpt
 421 %type <identifier_> IdentifierType
 422 %type <word_> IdentifierName
 423 %type <statement_> IfStatement
 424 %type <expression_> Initialiser
 425 %type <expression_> InitialiserOpt
 426 %type <statement_> IterationStatement
 427 %type <statement_> LabelledStatement
 428 %type <expression_> LeftHandSideExpression
 429 %type <statement_> LetStatement
 430 %type <statement_> LexicalDeclaration
 431 %type <literal_> Literal
 432 %type <literal_> ValueLiteral
 433 %type <expression_> LogicalANDExpression
 434 %type <expression_> LogicalORExpression
 435 %type <member_> MemberAccess
 436 %type <expression_> MemberExpression_
 437 %type <expression_> MemberExpression
 438 %type <module_> Module
 439 %type <expression_> MultiplicativeExpression
 440 %type <expression_> NewExpression
 441 %type <null_> NullLiteral
 442 %type <literal_> ObjectLiteral
 443 %type <parenthetical_> Parenthetical
 444 %type <expression_> PostfixExpression
 445 %type <expression_> PrimaryExpression
 446 %type <statement_> Program
 447 %type <statement_> ProgramBody
 448 %type <statement_> ProgramBodyOpt
 449 %type <propertyName_> PropertyName_
 450 %type <propertyName_> PropertyName
 451 %type <property_> PropertyDefinition
 452 %type <property_> PropertyDefinitionList_
 453 %type <property_> PropertyDefinitionList
 454 %type <property_> PropertyDefinitionListOpt
 455 %type <expression_> RelationalExpression
 456 %type <statement_> ReturnStatement
 457 %type <rubyProc_> RubyProcExpression
 458 %type <functionParameter_> RubyProcParameterList_
 459 %type <functionParameter_> RubyProcParameterList
 460 %type <functionParameter_> RubyProcParameters
 461 %type <functionParameter_> RubyProcParametersOpt
 462 %type <expression_> ShiftExpression
 463 %type <declaration_> SingleNameBinding
 464 %type <statement_> Statement__
 465 %type <statement_> Statement_
 466 %type <statement_> Statement
 467 %type <statement_> StatementList
 468 %type <statement_> StatementListOpt
 469 %type <statement_> StatementListItem
 470 %type <statement_> SwitchStatement
 471 %type <statement_> ThrowStatement
 472 %type <statement_> TryStatement
 473 %type <expression_> UnaryExpression_
 474 %type <expression_> UnaryExpression
 475 %type <declaration_> VariableDeclaration
 476 %type <declarations_> VariableDeclarationList_
 477 %type <declarations_> VariableDeclarationList
 478 %type <statement_> VariableStatement
 479 %type <statement_> WithStatement
 480 %type <word_> Word
 481 @begin ObjectiveC
 482 %type <word_> WordOpt
 483 @end
 484 %type <expression_> Variable
 485
 486 @begin C
 487 %type <specifier_> IntegerType
 488 %type <specifier_> IntegerTypeOpt
 489 %type <typedIdentifier_> PrefixedType
 490 %type <specifier_> PrimitiveType
 491 %type <typedIdentifier_> SuffixedType
 492 %type <typedIdentifier_> TypeSignifier
 493 %type <modifier_> TypeQualifierLeft
 494 %type <typedIdentifier_> TypeQualifierRight
 495 %type <typedIdentifier_> TypedIdentifier
 496 %type <typedParameter_> TypedParameterList_
 497 %type <typedParameter_> TypedParameterList
 498 %type <typedParameter_> TypedParameterListOpt
 499 @end
 500
 501 @begin ObjectiveC
 502 %type <expression_> BoxableExpression
 503 %type <statement_> CategoryStatement
 504 %type <expression_> ClassExpression
 505 %type <classField_> ClassFieldListOpt
 506 %type <classField_> ClassFields
 507 %type <statement_> ClassStatement
 508 %type <expression_> ClassSuperOpt
 509 %type <message_> ClassMessageDeclaration
 510 %type <message_> ClassMessageDeclarationListOpt
 511 %type <className_> ClassName
 512 %type <className_> ClassNameOpt
 513 %type <protocol_> ClassProtocolListOpt
 514 %type <protocol_> ClassProtocols
 515 %type <protocol_> ClassProtocolsOpt
 516 %type <expression_> MessageExpression
 517 %type <messageParameter_> MessageParameter
 518 %type <messageParameter_> MessageParameters
 519 %type <messageParameter_> MessageParameterList
 520 %type <messageParameter_> MessageParameterListOpt
 521 %type <bool_> MessageScope
 522 %type <argument_> SelectorCall_
 523 %type <argument_> SelectorCall
 524 %type <selector_> SelectorExpression_
 525 %type <selector_> SelectorExpression
 526 %type <selector_> SelectorExpressionOpt
 527 %type <argument_> SelectorList
 528 %type <word_> SelectorWordOpt
 529 %type <typedIdentifier_> TypeOpt
 530 %type <argument_> VariadicCall
 531 @end
 532
 533 @begin E4X
 534 %type <propertyIdentifier_> PropertyIdentifier_
 535 %type <selector_> PropertySelector_
 536 %type <selector_> PropertySelector
 537 %type <identifier_> QualifiedIdentifier_
 538 %type <identifier_> QualifiedIdentifier
 539 %type <identifier_> WildcardIdentifier
 540 %type <identifier_> XMLComment
 541 %type <identifier_> XMLCDATA
 542 %type <identifier_> XMLElement
 543 %type <identifier_> XMLElementContent
 544 %type <identifier_> XMLMarkup
 545 %type <identifier_> XMLPI
 546
 547 %type <attribute_> AttributeIdentifier
 548 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 549 %type <expression_> PropertyIdentifier
 550 %type <expression_> XMLListInitialiser
 551 %type <expression_> XMLInitialiser
 552 @end
 553 /* }}} */
 554 /* Token Priorities {{{ */
 555 %nonassoc ""
 556 %left "++" "--"
 557
 558 %nonassoc "if"
 559 %nonassoc "else"
 560 /* }}} */
 561
 562 %start Program
 563
 564 %%
 565
 566 /* Lexer State {{{ */
 567 LexPushInOn
 568     : { driver.in_.push(true); }
 569     ;
 570
 571 LexPushInOff
 572     : { driver.in_.push(false); }
 573     ;
 574
 575 LexPopIn
 576     : { driver.in_.pop(); }
 577     ;
 578
 579 LexSetRegExp
 580     : { driver.SetCondition(CYDriver::RegExpCondition); }
 581     ;
 582
 583 LexNoBrace
 584     : { if (yyla.empty()) driver.no_.OpenBrace = true; else if (yyla.type == yytranslate_(token::OpenBrace) || yyla.type == yytranslate_(token::OpenBrace_)) yyla.type = yytranslate_(token::OpenBrace__); }
 585     ;
 586
 587 LexNoFunction
 588     : { if (yyla.empty()) driver.no_.Function = true; else if (yyla.type == yytranslate_(token::Function)) yyla.type = yytranslate_(token::Function_); }
 589     ;
 590
 591 LexNoAtImplementation :
 592 @begin ObjectiveC
 593     { if (yyla.empty()) driver.no_.AtImplementation = true; else if (yyla.type == yytranslate_(token::AtImplementation)) yyla.type = yytranslate_(token::AtImplementation_); }
 594 @end
 595     ;
 596
 597 LexSetStatement
 598     : LexNoBrace LexNoFunction LexNoAtImplementation
 599     ;
 600 /* }}} */
 601 /* Virtual Tokens {{{ */
 602 BRACE
 603     : "{"
 604     | "\n{"
 605     ;
 606
 607 Var_
 608     : "var"
 609     ;
 610 /* }}} */
 611
 612 /* 7.6 Identifier Names and Identifiers {{{ */
 613 IdentifierName
 614     : Word { $$ = $1; }
 615     ;
 616
 617 NewLineOpt
 618     : "\n"
 619     |
 620     ;
 621
 622 Word
 623     : Identifier { $$ = $1; }
 624     | "auto" { $$ = CYNew CYWord("auto"); }
 625     | "break" NewLineOpt { $$ = CYNew CYWord("break"); }
 626     | "case" { $$ = CYNew CYWord("case"); }
 627     | "catch" { $$ = CYNew CYWord("catch"); }
 628     | "class" { $$ = CYNew CYWord("class"); }
 629     | "const" { $$ = CYNew CYWord("const"); }
 630     | "continue" NewLineOpt { $$ = CYNew CYWord("continue"); }
 631     | "debugger" { $$ = CYNew CYWord("debugger"); }
 632     | "default" { $$ = CYNew CYWord("default"); }
 633     | "delete" LexSetRegExp { $$ = CYNew CYWord("delete"); }
 634     | "do" { $$ = CYNew CYWord("do"); }
 635     | "else" { $$ = CYNew CYWord("else"); }
 636     | "enum" { $$ = CYNew CYWord("enum"); }
 637     | "export" { $$ = CYNew CYWord("export"); }
 638     | "extends" { $$ = CYNew CYWord("extends"); }
 639     | "false" { $$ = CYNew CYWord("false"); }
 640     | "finally" { $$ = CYNew CYWord("finally"); }
 641     /* XXX: | "for" { $$ = CYNew CYWord("for"); } */
 642     | "function" { $$ = CYNew CYWord("function"); }
 643     | "if" { $$ = CYNew CYWord("if"); }
 644     | "import" { $$ = CYNew CYWord("import"); }
 645     /* XXX: | "in" { $$ = CYNew CYWord("in"); } */
 646     | "!in" { $$ = CYNew CYWord("in"); }
 647     /* XXX: | "instanceof" { $$ = CYNew CYWord("instanceof"); } */
 648
 649     // XXX: as it currently is not an Identifier
 650     | "let" { $$ = $1; }
 651
 652     | "new" LexSetRegExp { $$ = CYNew CYWord("new"); }
 653     | "null" { $$ = CYNew CYWord("null"); }
 654     | "return" NewLineOpt { $$ = CYNew CYWord("return"); }
 655     | "super" { $$ = CYNew CYWord("super"); }
 656     | "switch" { $$ = CYNew CYWord("switch"); }
 657     | "this" { $$ = CYNew CYWord("this"); }
 658     | "throw" NewLineOpt { $$ = CYNew CYWord("throw"); }
 659     | "true" { $$ = CYNew CYWord("true"); }
 660     | "try" { $$ = CYNew CYWord("try"); }
 661     | "typeof" LexSetRegExp { $$ = CYNew CYWord("typeof"); }
 662     | "var" { $$ = CYNew CYWord("var"); }
 663     | "void" LexSetRegExp { $$ = CYNew CYWord("void"); }
 664     | "while" { $$ = CYNew CYWord("while"); }
 665     | "with" { $$ = CYNew CYWord("with"); }
 666     ;
 667
 668 @begin ObjectiveC
 669 WordOpt
 670     : Word { $$ = $1; }
 671     | { $$ = NULL; }
 672     ;
 673 @end
 674
 675 IdentifierType
 676     : Identifier_ { $$ = $1; }
 677
 678     | "implements" { $$ = $1; }
 679     | "interface" { $$ = $1; }
 680     | "package" { $$ = $1; }
 681     | "private" { $$ = $1; }
 682     | "protected" { $$ = $1; }
 683     | "public" { $$ = $1; }
 684     | "static" { $$ = $1; }
 685
 686     | "abstract" { $$ = $1; }
 687     | "boolean" { $$ = $1; }
 688     | "byte" { $$ = $1; }
 689     | "double" { $$ = $1; }
 690     | "final" { $$ = $1; }
 691     | "float" { $$ = $1; }
 692     | "goto" { $$ = $1; }
 693     | "native" { $$ = $1; }
 694     | "synchronized" { $$ = $1; }
 695     | "throws" { $$ = $1; }
 696     | "transient" { $$ = $1; }
 697
 698     // XXX: currently I only have this as Word
 699     // | "let" { $$ = $1; }
 700
 701     | "yield" NewLineOpt { $$ = $1; }
 702
 703     | "each" { $$ = $1; }
 704     | "of" { $$ = $1; }
 705     ;
 706
 707 Identifier
 708     : IdentifierType
 709     | "char" { $$ = $1; }
 710     | "int" { $$ = $1; }
 711     | "long" { $$ = $1; }
 712     | "short" { $$ = $1; }
 713     | "volatile" { $$ = $1; }
 714 @begin C
 715     | "typedef" { $$ = $1; }
 716     | "unsigned" { $$ = $1; }
 717     | "signed" { $$ = $1; }
 718     | "extern" { $$ = $1; }
 719 @end
 720 @begin ObjectiveC
 721     | "YES" { $$ = $1; }
 722     | "NO" { $$ = $1; }
 723 @end
 724     ;
 725
 726 IdentifierOpt
 727     : Identifier { $$ = $1; }
 728     | { $$ = NULL; }
 729     ;
 730 /* }}} */
 731
 732 /* 7.8 Literals {{{ */
 733 Literal
 734     : NullLiteral { $$ = $1; }
 735     | ValueLiteral { $$ = $1; }
 736     ;
 737
 738 ValueLiteral
 739     : BooleanLiteral { $$ = $1; }
 740     | NumericLiteral { $$ = $1; }
 741     | StringLiteral { $$ = $1; }
 742     | RegularExpressionLiteral { $$ = $1; }
 743     ;
 744 /* }}} */
 745 /* 7.8.1 Null Literals {{{ */
 746 NullLiteral
 747     : "null" { $$ = CYNew CYNull(); }
 748     ;
 749 /* }}} */
 750 /* 7.8.2 Boolean Literals {{{ */
 751 BooleanLiteral
 752     : "true" { $$ = CYNew CYTrue(); }
 753     | "false" { $$ = CYNew CYFalse(); }
 754     ;
 755 /* }}} */
 756
 757 /* 7.9 Automatic Semicolon Insertion {{{ */
 758 StrictSemi
 759     : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
 760     ;
 761
 762 Terminator
 763     : ";"
 764     | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !yyla.value.newline_) { error(@1, "required semi-colon"); } else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
 765     ;
 766
 767 TerminatorOpt
 768     : ";"
 769     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 770     ;
 771 /* }}} */
 772
 773 /* 11.1 Primary Expressions {{{ */
 774 Parenthetical
 775     : "(" LexPushInOff Expression ")" LexPopIn { $$ = CYNew CYParenthetical($3); }
 776     ;
 777
 778 Variable
 779     : Identifier { $$ = CYNew CYVariable($1); }
 780     ;
 781
 782 PrimaryExpression
 783     : "this" { $$ = CYNew CYThis(); }
 784     | Variable { $$ = $1; }
 785     | Literal { $$ = $1; }
 786     | ArrayInitialiser { $$ = $1; }
 787     | ObjectLiteral { $$ = $1; }
 788     | Parenthetical { $$ = $1; }
 789     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
 790     ;
 791 /* }}} */
 792 /* 11.1.4 Array Initializer {{{ */
 793 ArrayInitialiser
 794     : ArrayLiteral { $$ = $1; }
 795     | ArrayComprehension { $$ = $1; }
 796     ;
 797 /* }}} */
 798 /* 11.1.4.1 Array Literal {{{ */
 799 ArrayLiteral
 800     : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
 801     ;
 802
 803 Element
 804     : AssignmentExpression { $$ = $1; }
 805     ;
 806
 807 ElementOpt
 808     : Element { $$ = $1; }
 809     | LexSetRegExp { $$ = NULL; }
 810     ;
 811
 812 ElementList
 813     : ElementOpt "," ElementListOpt { $$ = CYNew CYElement($1, $3); }
 814     | Element { $$ = CYNew CYElement($1, NULL); }
 815     ;
 816
 817 ElementListOpt
 818     : ElementList { $$ = $1; }
 819     | LexSetRegExp { $$ = NULL; }
 820     ;
 821 /* }}} */
 822 /* 11.1.4.2 Array Comprehension {{{ */
 823 ArrayComprehension
 824     : "[" LexPushInOff Comprehension "]" LexPopIn { $$ = $3; }
 825     ;
 826
 827 Comprehension
 828     : LexSetRegExp ComprehensionFor ComprehensionTail AssignmentExpression { $$ = CYNew CYArrayComprehension($4, $2->Modify($3)); }
 829     ;
 830
 831 ComprehensionTail
 832     : { $$ = NULL; }
 833     | ComprehensionFor ComprehensionTail { $$ = $1->Modify($2); }
 834     | ComprehensionIf ComprehensionTail { $$ = $1->Modify($2); }
 835     ;
 836
 837 ComprehensionFor
 838     : "for" "(" Binding "of" Expression ")" { $$ = CYNew CYForOfComprehension($3, $5); }
 839     ;
 840
 841 ComprehensionIf
 842     : "if" "(" AssignmentExpression ")" { $$ = CYNew CYIfComprehension($3); }
 843     ;
 844 /* }}} */
 845 /* 11.1.5 Object Initialiser {{{ */
 846 ObjectLiteral
 847     : BRACE LexPushInOff PropertyDefinitionListOpt "}" LexPopIn { $$ = CYNew CYObject($3); }
 848     ;
 849
 850 PropertyDefinitionList_
 851     : "," PropertyDefinitionList { $$ = $2; }
 852     | "," LexSetRegExp { $$ = NULL; }
 853     | { $$ = NULL; }
 854     ;
 855
 856 PropertyDefinitionList
 857     : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; }
 858     ;
 859
 860 PropertyDefinitionListOpt
 861     : PropertyDefinitionList { $$ = $1; }
 862     | LexSetRegExp { $$ = NULL; }
 863     ;
 864
 865 PropertyDefinition
 866     // XXX: this should be IdentifierName
 867     : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
 868     | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
 869     //| MethodDefinition
 870     ;
 871
 872 PropertyName_
 873     : IdentifierName { $$ = $1; }
 874     | StringLiteral { $$ = $1; }
 875     | NumericLiteral { $$ = $1; }
 876     ;
 877
 878 PropertyName
 879     : LexSetRegExp PropertyName_ { $$ = $2; }
 880     ;
 881 /* }}} */
 882
 883 /* 11.2 Left-Hand-Side Expressions {{{ */
 884 MemberAccess
 885     : "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYDirectMember(NULL, $3); }
 886     | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
 887     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
 888     ;
 889
 890 MemberExpression_
 891     : MemberExpression { $$ = $1; }
 892     //| "super" { $$ = $1; }
 893     ;
 894
 895 MemberExpression
 896     : LexSetRegExp PrimaryExpression { $$ = $2; }
 897     | LexSetRegExp FunctionExpression { $$ = $2; }
 898     | MemberExpression_ { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 899     | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); }
 900     ;
 901
 902 NewExpression
 903     : MemberExpression { $$ = $1; }
 904     | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); }
 905     ;
 906
 907 CallExpression_
 908     : MemberExpression_
 909     | CallExpression
 910     ;
 911
 912 CallExpression
 913     : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); }
 914     | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 915     ;
 916
 917 Arguments
 918     : "(" LexPushInOff ArgumentListOpt ")" LexPopIn { $$ = $3; }
 919     ;
 920
 921 ArgumentList_
 922     : "," ArgumentList { $$ = $2; }
 923     | { $$ = NULL; }
 924     ;
 925
 926 ArgumentList
 927     : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); }
 928     | LexSetRegExp Word ":" AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument($2, $4, $5); }
 929     ;
 930
 931 ArgumentListOpt
 932     : ArgumentList { $$ = $1; }
 933     | LexSetRegExp { $$ = NULL; }
 934     ;
 935
 936 LeftHandSideExpression
 937     : NewExpression { $$ = $1; }
 938     | CallExpression { $$ = $1; }
 939     ;
 940 /* }}} */
 941 /* 11.3 Postfix Expressions {{{ */
 942 PostfixExpression
 943     : %prec "" LeftHandSideExpression { $$ = $1; }
 944     | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); }
 945     | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); }
 946     ;
 947 /* }}} */
 948 /* 11.4 Unary Operators {{{ */
 949 UnaryExpression_
 950     : "delete" UnaryExpression { $$ = CYNew CYDelete($2); }
 951     | "void" UnaryExpression { $$ = CYNew CYVoid($2); }
 952     | "typeof" UnaryExpression { $$ = CYNew CYTypeOf($2); }
 953     | "++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 954     | "\n++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 955     | "--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 956     | "\n--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 957     | "+" UnaryExpression { $$ = CYNew CYAffirm($2); }
 958     | "-" UnaryExpression { $$ = CYNew CYNegate($2); }
 959     | "~" UnaryExpression { $$ = CYNew CYBitwiseNot($2); }
 960     | "!" UnaryExpression { $$ = CYNew CYLogicalNot($2); }
 961     ;
 962
 963 UnaryExpression
 964     : PostfixExpression { $$ = $1; }
 965     | LexSetRegExp UnaryExpression_ { $$ = $2; }
 966     ;
 967 /* }}} */
 968 /* 11.5 Multiplicative Operators {{{ */
 969 MultiplicativeExpression
 970     : UnaryExpression { $$ = $1; }
 971     | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); }
 972     | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); }
 973     | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); }
 974     ;
 975 /* }}} */
 976 /* 11.6 Additive Operators {{{ */
 977 AdditiveExpression
 978     : MultiplicativeExpression { $$ = $1; }
 979     | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); }
 980     | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); }
 981     ;
 982 /* }}} */
 983 /* 11.7 Bitwise Shift Operators {{{ */
 984 ShiftExpression
 985     : AdditiveExpression { $$ = $1; }
 986     | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); }
 987     | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); }
 988     | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); }
 989     ;
 990 /* }}} */
 991 /* 11.8 Relational Operators {{{ */
 992 RelationalExpression
 993     : ShiftExpression { $$ = $1; }
 994     | RelationalExpression "<" ShiftExpression { $$ = CYNew CYLess($1, $3); }
 995     | RelationalExpression ">" ShiftExpression { $$ = CYNew CYGreater($1, $3); }
 996     | RelationalExpression "<=" ShiftExpression { $$ = CYNew CYLessOrEqual($1, $3); }
 997     | RelationalExpression ">=" ShiftExpression { $$ = CYNew CYGreaterOrEqual($1, $3); }
 998     | RelationalExpression "instanceof" ShiftExpression { $$ = CYNew CYInstanceOf($1, $3); }
 999     | RelationalExpression "in" ShiftExpression { $$ = CYNew CYIn($1, $3); }
1000     ;
1001 /* }}} */
1002 /* 11.9 Equality Operators {{{ */
1003 EqualityExpression
1004     : RelationalExpression { $$ = $1; }
1005     | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); }
1006     | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); }
1007     | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); }
1008     | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); }
1009     ;
1010 /* }}} */
1011 /* 11.10 Binary Bitwise Operators {{{ */
1012 BitwiseANDExpression
1013     : EqualityExpression { $$ = $1; }
1014     | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); }
1015     ;
1016
1017 BitwiseXORExpression
1018     : BitwiseANDExpression { $$ = $1; }
1019     | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); }
1020     ;
1021
1022 BitwiseORExpression
1023     : BitwiseXORExpression { $$ = $1; }
1024     | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); }
1025     ;
1026 /* }}} */
1027 /* 11.11 Binary Logical Operators {{{ */
1028 LogicalANDExpression
1029     : BitwiseORExpression { $$ = $1; }
1030     | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); }
1031     ;
1032
1033 LogicalORExpression
1034     : LogicalANDExpression { $$ = $1; }
1035     | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); }
1036     ;
1037 /* }}} */
1038 /* 11.12 Conditional Operator ( ? : ) {{{ */
1039 ConditionalExpression
1040     : LogicalORExpression { $$ = $1; }
1041     | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
1042     | LogicalORExpression "?" LexPushInOff LexSetRegExp ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $1, $7); }
1043     ;
1044 /* }}} */
1045 /* 11.13 Assignment Operators {{{ */
1046 AssignmentExpression
1047     : ConditionalExpression { $$ = $1; }
1048     | ArrowFunction { $$ = $1; }
1049     | LeftHandSideExpression "=" AssignmentExpression { $$ = CYNew CYAssign($1, $3); }
1050     | LeftHandSideExpression "*=" AssignmentExpression { $$ = CYNew CYMultiplyAssign($1, $3); }
1051     | LeftHandSideExpression "/=" AssignmentExpression { $$ = CYNew CYDivideAssign($1, $3); }
1052     | LeftHandSideExpression "%=" AssignmentExpression { $$ = CYNew CYModulusAssign($1, $3); }
1053     | LeftHandSideExpression "+=" AssignmentExpression { $$ = CYNew CYAddAssign($1, $3); }
1054     | LeftHandSideExpression "-=" AssignmentExpression { $$ = CYNew CYSubtractAssign($1, $3); }
1055     | LeftHandSideExpression "<<=" AssignmentExpression { $$ = CYNew CYShiftLeftAssign($1, $3); }
1056     | LeftHandSideExpression ">>=" AssignmentExpression { $$ = CYNew CYShiftRightSignedAssign($1, $3); }
1057     | LeftHandSideExpression ">>>=" AssignmentExpression { $$ = CYNew CYShiftRightUnsignedAssign($1, $3); }
1058     | LeftHandSideExpression "&=" AssignmentExpression { $$ = CYNew CYBitwiseAndAssign($1, $3); }
1059     | LeftHandSideExpression "^=" AssignmentExpression { $$ = CYNew CYBitwiseXOrAssign($1, $3); }
1060     | LeftHandSideExpression "|=" AssignmentExpression { $$ = CYNew CYBitwiseOrAssign($1, $3); }
1061     ;
1062 /* }}} */
1063 /* 11.14 Comma Operator {{{ */
1064 Expression
1065     : AssignmentExpression { $$ = $1; }
1066     | AssignmentExpression "," Expression { $$ = CYNew CYCompound($1, $3); }
1067     ;
1068
1069 ExpressionOpt
1070     : Expression { $$ = $1; }
1071     | LexSetRegExp { $$ = NULL; }
1072     ;
1073 /* }}} */
1074
1075 /* 12 Statements {{{ */
1076 Statement__
1077     : Block { $$ = $1; }
1078     | VariableStatement { $$ = $1; }
1079     | EmptyStatement { $$ = $1; }
1080     | IfStatement { $$ = $1; }
1081     | BreakableStatement { $$ = $1; }
1082     | ContinueStatement { $$ = $1; }
1083     | BreakStatement { $$ = $1; }
1084     | ReturnStatement { $$ = $1; }
1085     | WithStatement { $$ = $1; }
1086     | LabelledStatement { $$ = $1; }
1087     | ThrowStatement { $$ = $1; }
1088     | TryStatement { $$ = $1; }
1089     | DebuggerStatement { $$ = $1; }
1090     ;
1091
1092 Statement_
1093     : LexSetRegExp Statement__ { $$ = $2; }
1094     | ExpressionStatement { $$ = $1; }
1095     ;
1096
1097 Statement
1098     : LexSetStatement Statement_ { $$ = $2; }
1099     ;
1100
1101 Declaration__
1102     : FunctionDeclaration { $$ = $1; }
1103     | LexicalDeclaration { $$ = $1; }
1104     ;
1105
1106 Declaration_
1107     : LexSetRegExp Declaration__ { $$ = $2; }
1108     ;
1109
1110 Declaration
1111     : LexSetStatement Declaration_ { $$ = $2; }
1112     ;
1113
1114 BreakableStatement
1115     : IterationStatement { $$ = $1; }
1116     | SwitchStatement { $$ = $1; }
1117     ;
1118 /* }}} */
1119 /* 12.1 Block {{{ */
1120 Block_
1121     : BRACE StatementListOpt "}" { $$ = $2; }
1122     ;
1123
1124 Block
1125     : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); }
1126     ;
1127
1128 StatementList
1129     : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; }
1130     ;
1131
1132 StatementListOpt
1133     : StatementList { $$ = $1; }
1134     | LexSetStatement LexSetRegExp { $$ = NULL; }
1135     ;
1136
1137 StatementListItem
1138     : Statement { $$ = $1; }
1139     | Declaration { $$ = $1; }
1140     ;
1141 /* }}} */
1142
1143 /* 12.2 Declarations {{{ */
1144 BindingIdentifier
1145     : Identifier { $$ = $1; }
1146     ;
1147
1148 Binding
1149     : BindingIdentifier
1150     ;
1151
1152 // XXX: BindingPattern
1153 /* }}} */
1154 /* 12.2.1 Let and Const Declarations {{{ */
1155 LexicalDeclaration
1156     : LetOrConst VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1157     ;
1158
1159 LetOrConst
1160     : "let"
1161     | "const"
1162     ;
1163 /* }}} */
1164 /* 12.2.2 Variable Statement {{{ */
1165 VariableStatement
1166     : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1167     ;
1168
1169 VariableDeclarationList_
1170     : "," VariableDeclarationList { $$ = $2; }
1171     | { $$ = NULL; }
1172     ;
1173
1174 VariableDeclarationList
1175     : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); }
1176     ;
1177
1178 VariableDeclaration
1179     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1180     // XXX: | BindingPattern Initialiser { $$ = CYNew CYDeclaration($1, $2); }
1181     ;
1182
1183 Initialiser
1184     : "=" AssignmentExpression { $$ = $2; }
1185     ;
1186
1187 InitialiserOpt
1188     : Initialiser { $$ = $1; }
1189     | { $$ = NULL; }
1190     ;
1191 /* }}} */
1192 /* 12.2.4 Destructuring Binding Patterns {{{ */
1193 // XXX: *
1194
1195 BindingElement
1196     : SingleNameBinding { $$ = $1; }
1197     ;
1198
1199 SingleNameBinding
1200     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1201     ;
1202 /* }}} */
1203
1204 /* 12.3 Empty Statement {{{ */
1205 EmptyStatement
1206     : ";" { $$ = CYNew CYEmpty(); }
1207     ;
1208 /* }}} */
1209 /* 12.4 Expression Statement {{{ */
1210 ExpressionStatement
1211     : Expression Terminator { $$ = CYNew CYExpress($1); }
1212     ;
1213 /* }}} */
1214 /* 12.5 The if Statement {{{ */
1215 ElseStatementOpt
1216     : "else" Statement { $$ = $2; }
1217     | %prec "if" { $$ = NULL; }
1218     ;
1219
1220 IfStatement
1221     : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); }
1222     ;
1223 /* }}} */
1224
1225 /* 12.6.1 The do-while Statement {{{ */
1226 IterationStatement
1227     : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); }
1228     ;
1229 /* }}} */
1230 /* 12.6.2 The while Statement {{{ */
1231 IterationStatement
1232     : "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); }
1233     ;
1234 /* }}} */
1235 /* 12.6.3 The for Statement {{{ */
1236 IterationStatement
1237     : "for" "(" LexPushInOn ForStatementInitialiser ";" LexPopIn ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
1238     ;
1239
1240 ForStatementInitialiser
1241     : ExpressionOpt { $$ = $1; }
1242     | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
1243     ;
1244 /* }}} */
1245 /* 12.6.4 The for-in and for-of Statements {{{ */
1246 IterationStatement
1247     : "for" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
1248     | "for" "(" LexPushInOn ForInStatementInitialiser "of" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
1249     ;
1250
1251 ForInStatementInitialiser
1252     : LeftHandSideExpression { $$ = $1; }
1253     | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
1254     ;
1255 /* }}} */
1256
1257 /* 12.7 The continue Statement {{{ */
1258 ContinueStatement
1259     : "continue" "\n" StrictSemi { $$ = CYNew CYContinue(NULL); }
1260     | "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); }
1261     ;
1262 /* }}} */
1263 /* 12.8 The break Statement {{{ */
1264 BreakStatement
1265     : "break" "\n" StrictSemi { $$ = CYNew CYBreak(NULL); }
1266     | "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); }
1267     ;
1268 /* }}} */
1269 /* 12.9 The return Statement {{{ */
1270 ReturnStatement
1271     : "return" LexSetRegExp "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
1272     | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
1273     ;
1274 /* }}} */
1275 /* 12.10 The with Statement {{{ */
1276 WithStatement
1277     : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); }
1278     ;
1279 /* }}} */
1280
1281 /* 12.11 The switch Statement {{{ */
1282 SwitchStatement
1283     : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); }
1284     ;
1285
1286 CaseBlock
1287     : BRACE CaseClausesOpt "}" { $$ = $2; }
1288     ;
1289
1290 CaseClause
1291     : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); }
1292     ;
1293
1294 CaseClausesOpt
1295     : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1296     | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1297     | { $$ = NULL; }
1298     ;
1299
1300 DefaultClause
1301     : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); }
1302     ;
1303 /* }}} */
1304 /* 12.12 Labelled Statements {{{ */
1305 LabelledStatement
1306     : Identifier ":" Statement { $$ = CYNew CYLabel($1, $3); }
1307     ;
1308 /* }}} */
1309 /* 12.13 The throw Statement {{{ */
1310 ThrowStatement
1311     : "throw" LexSetRegExp "\n" StrictSemi { error(@1, "throw without exception"); }
1312     | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
1313     ;
1314 /* }}} */
1315 /* 12.14 The try Statement {{{ */
1316 TryStatement
1317     : "try" Block_ CatchOpt FinallyOpt { $$ = CYNew cy::Syntax::Try($2, $3, $4); }
1318     ;
1319
1320 CatchOpt
1321     : "catch" "(" Identifier ")" Block_ { $$ = CYNew cy::Syntax::Catch($3, $5); }
1322     | { $$ = NULL; }
1323     ;
1324
1325 FinallyOpt
1326     : "finally" Block_ { $$ = CYNew CYFinally($2); }
1327     | { $$ = NULL; }
1328     ;
1329 /* }}} */
1330 /* 12.14 The debugger Statement {{{ */
1331 DebuggerStatement
1332     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1333     ;
1334 /* }}} */
1335
1336 /* 13.1 Function Definitions {{{ */
1337 FunctionDeclaration
1338     : ";function" Identifier "(" FormalParameterListOpt ")" BRACE FunctionBody "}" { $$ = CYNew CYFunctionStatement($2, $4, $7); }
1339     ;
1340
1341 FunctionExpression
1342     : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYFunctionExpression($2, $5, $10); }
1343     ;
1344
1345 FormalParameterList_
1346     : "," FormalParameterList { $$ = $2; }
1347     | { $$ = NULL; }
1348     ;
1349
1350 FormalParameterList
1351     // XXX: : FunctionRestParameter { $$ = $1; }
1352     : FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); }
1353     ;
1354
1355 FormalParameterListOpt
1356     : FormalParameterList
1357     | { $$ = NULL; }
1358     ;
1359
1360 /* XXX: FunctionRestParameter
1361     : "..." BindingIdentifier { $$ = CYNew CYFunctionRestParameter($2); }
1362     ;*/
1363
1364 FormalParameter
1365     : BindingElement { $$ = $1; }
1366     ;
1367
1368 FunctionBody
1369     : StatementListOpt { $$ = $1; }
1370     ;
1371 /* }}} */
1372 /* 13.2 Arrow Function Definitions {{{ */
1373 ArrowFunction
1374     : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
1375     ;
1376
1377 ArrowParameters
1378     : BindingIdentifier { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1)); }
1379     | "(" LexPushInOff LexSetRegExp ")" LexPopIn { $$ = NULL; }
1380     | Parenthetical { $$ = $1->expression_->Parameter(); if ($$ == NULL) error(@1, "invalid parameter list"); }
1381     ;
1382
1383 ConciseBody
1384     : AssignmentExpression { $$ = CYNew CYReturn($1); }
1385     | LexSetRegExp ";{" LexPushInOff FunctionBody "}" LexPopIn { $$ = $4; }
1386     ;
1387 /* }}} */
1388 /* 14 Program {{{ */
1389 Program
1390     : ProgramBodyOpt { driver.program_ = CYNew CYProgram($1); }
1391     ;
1392
1393 ProgramBody
1394     : StatementList { $$ = $1; }
1395     ;
1396
1397 ProgramBodyOpt
1398     : ProgramBody { $$ = $1; }
1399     | LexSetStatement LexSetRegExp { $$ = NULL; }
1400     ;
1401 /* }}} */
1402
1403 @begin C
1404 /* Cycript (C): Type Encoding {{{ */
1405 TypeSignifier
1406     : IdentifierType { $$ = CYNew CYTypedIdentifier(@1, $1); }
1407     | "(" LexPushInOff "*" TypeQualifierRight ")" LexPopIn { $$ = $4; }
1408     ;
1409
1410 SuffixedType
1411     : SuffixedType "[" NumericLiteral "]" { $$ = $1; $$->modifier_ = CYNew CYTypeArrayOf($3, $$->modifier_); }
1412     | "(" LexPushInOff "^" TypeQualifierRight ")" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $4; $$->modifier_ = CYNew CYTypeBlockWith($9, $$->modifier_); }
1413     | TypeSignifier "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $1; $$->modifier_ = CYNew CYTypeFunctionWith($4, $$->modifier_); }
1414     | "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = CYNew CYTypedIdentifier(@1); $$->modifier_ = CYNew CYTypeFunctionWith($3, $$->modifier_); }
1415     | TypeSignifier { $$ = $1; }
1416     | { $$ = CYNew CYTypedIdentifier(@$); }
1417     ;
1418
1419 PrefixedType
1420     : "*" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
1421     ;
1422
1423 TypeQualifierLeft
1424     : { $$ = NULL; }
1425     | "const" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeConstant(); }
1426     | "volatile" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeVolatile(); }
1427     ;
1428
1429 TypeQualifierRight
1430     : PrefixedType { $$ = $1; }
1431     | SuffixedType { $$ = $1; }
1432     | "const" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
1433     | "volatile" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
1434     ;
1435
1436 IntegerType
1437     : "int" { $$ = CYNew CYTypeVariable("int"); }
1438     | "unsigned" IntegerTypeOpt { $$ = CYNew CYTypeUnsigned($2); }
1439     | "signed" IntegerTypeOpt { $$ = CYNew CYTypeSigned($2); }
1440     | "long" IntegerTypeOpt { $$ = CYNew CYTypeLong($2); }
1441     | "short" IntegerTypeOpt { $$ = CYNew CYTypeShort($2); }
1442     ;
1443
1444 IntegerTypeOpt
1445     : IntegerType { $$ = $1; }
1446     | { $$ = CYNew CYTypeVariable("int"); }
1447     ;
1448
1449 PrimitiveType
1450     : IdentifierType { $$ = CYNew CYTypeVariable($1); }
1451     | IntegerType { $$ = $1; }
1452     | "void" { $$ = CYNew CYTypeVoid(); }
1453     | "char" { $$ = CYNew CYTypeVariable("char"); }
1454     | "signed" "char" { $$ = CYNew CYTypeSigned(CYNew CYTypeVariable("char")); }
1455     | "unsigned" "char" { $$ = CYNew CYTypeUnsigned(CYNew CYTypeVariable("char")); }
1456     ;
1457
1458 TypedIdentifier
1459     : TypeQualifierLeft PrimitiveType TypeQualifierRight { $$ = $3; $$->specifier_ = $2; CYSetLast($1) = $$->modifier_; $$->modifier_ = $1; }
1460     ;
1461
1462 PrimaryExpression
1463     : "@encode" "(" TypedIdentifier ")" { $$ = CYNew CYEncodedType($3); }
1464     ;
1465 /* }}} */
1466 @end
1467
1468 @begin ObjectiveC
1469 /* Cycript (Objective-C): @class Declaration {{{ */
1470 ClassSuperOpt
1471     /* XXX: why the hell did I choose MemberExpression? */
1472     : ":" LexSetRegExp MemberExpression { $$ = $3; }
1473     | { $$ = NULL; }
1474     ;
1475
1476 ClassFieldListOpt
1477     : TypedIdentifier ";" ClassFieldListOpt { $$ = CYNew CYClassField($1, $3); }
1478     | LexSetRegExp { $$ = NULL; }
1479     ;
1480
1481 ClassFields
1482     : BRACE ClassFieldListOpt "}" { $$ = $2; }
1483     ;
1484
1485 MessageScope
1486     : "+" { $$ = false; }
1487     | "-" { $$ = true; }
1488     ;
1489
1490 TypeOpt
1491     : "(" LexSetRegExp TypedIdentifier ")" { if ($3->identifier_ != NULL) error($3->location_, "unexpected identifier"); $$ = $3; }
1492     | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); }
1493     ;
1494
1495 MessageParameter
1496     : Word ":" TypeOpt Identifier { $3->identifier_ = $4; $$ = CYNew CYMessageParameter($1, $3); }
1497     ;
1498
1499 MessageParameterList
1500     : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
1501     ;
1502
1503 MessageParameterListOpt
1504     : MessageParameterList { $$ = $1; }
1505     | { $$ = NULL; }
1506     ;
1507
1508 MessageParameters
1509     : MessageParameterList { $$ = $1; }
1510     | Word { $$ = CYNew CYMessageParameter($1, NULL); }
1511     ;
1512
1513 ClassMessageDeclaration
1514     : MessageScope TypeOpt MessageParameters BRACE FunctionBody "}" { $$ = CYNew CYMessage($1, $2, $3, $5); }
1515     ;
1516
1517 ClassMessageDeclarationListOpt
1518     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
1519     | ClassMessageDeclarationListOpt Comment { $$ = $1; }
1520     | { $$ = NULL; }
1521     ;
1522
1523 ClassName
1524     : Identifier { $$ = $1; }
1525     | "(" AssignmentExpression ")" { $$ = $2; }
1526     ;
1527
1528 ClassNameOpt
1529     : ClassName { $$ = $1; }
1530     | { $$ = NULL; }
1531     ;
1532
1533 // XXX: this should be AssignmentExpressionNoRight
1534 ClassProtocols
1535     : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); }
1536     ;
1537
1538 ClassProtocolsOpt
1539     : "," ClassProtocols { $$ = $2; }
1540     | { $$ = NULL; }
1541     ;
1542
1543 ClassProtocolListOpt
1544     : "<" ClassProtocols ">" { $$ = $2; }
1545     | { $$ = NULL; }
1546     ;
1547
1548 ClassExpression
1549     : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" LexPopIn { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
1550     ;
1551
1552 ClassStatement
1553     : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
1554     ;
1555
1556 CategoryName
1557     : "(" WordOpt ")"
1558     ;
1559
1560 CategoryStatement
1561     : ";@implementation" ClassName CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); }
1562     ;
1563
1564 PrimaryExpression
1565     : ClassExpression { $$ = $1; }
1566     ;
1567
1568 Statement__
1569     : ClassStatement { $$ = $1; }
1570     | CategoryStatement { $$ = $1; }
1571     ;
1572 /* }}} */
1573 /* Cycript (Objective-C): Send Message {{{ */
1574 VariadicCall
1575     : "," AssignmentExpression VariadicCall { $$ = CYNew CYArgument(NULL, $2, $3); }
1576     | { $$ = NULL; }
1577     ;
1578
1579 SelectorWordOpt
1580     : WordOpt { driver.contexts_.back().words_.push_back($1); } { $$ = $1; }
1581     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
1582     ;
1583
1584 SelectorCall_
1585     : SelectorCall { $$ = $1; }
1586     | VariadicCall { $$ = $1; }
1587     ;
1588
1589 SelectorCall
1590     : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYBlank(), $3, $4); }
1591     ;
1592
1593 SelectorList
1594     : SelectorCall { $$ = $1; }
1595     | Word { $$ = CYNew CYArgument($1, NULL); }
1596     ;
1597
1598 MessageExpression
1599     : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList "]" LexPopIn { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
1600     | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList "]" LexPopIn { $$ = CYNew CYSendSuper($6); }
1601     ;
1602
1603 SelectorExpression_
1604     : WordOpt ":" SelectorExpressionOpt { $$ = CYNew CYSelectorPart($1, true, $3); }
1605     ;
1606
1607 SelectorExpression
1608     : SelectorExpression_ { $$ = $1; }
1609     | Word { $$ = CYNew CYSelectorPart($1, false, NULL); }
1610     ;
1611
1612 SelectorExpressionOpt
1613     : SelectorExpression_ { $$ = $1; }
1614     | { $$ = NULL; }
1615     ;
1616
1617 PrimaryExpression
1618     : MessageExpression { $$ = $1; }
1619     | "@selector" "(" LexPushInOff SelectorExpression ")" LexPopIn { $$ = CYNew CYSelector($4); }
1620     ;
1621 /* }}} */
1622 @end
1623
1624 /* Cycript: @import Directive {{{ */
1625 Module
1626     : Module "." Word { $$ = CYNew CYModule($3, $1); }
1627     | Word { $$ = CYNew CYModule($1); }
1628     ;
1629
1630 Declaration__
1631     : "@import" Module { $$ = CYNew CYImport($2); }
1632     ;
1633 /* }}} */
1634
1635 @begin ObjectiveC
1636 /* Cycript (Objective-C): Boxed Expressions {{{ */
1637 BoxableExpression
1638     : NullLiteral { $$ = $1; }
1639     | BooleanLiteral { $$ = $1; }
1640     | NumericLiteral { $$ = $1; }
1641     | StringLiteral { $$ = $1; }
1642     | ArrayLiteral { $$ = $1; }
1643     | ObjectLiteral { $$ = $1; }
1644     | Parenthetical { $$ = $1; }
1645     | "YES" { $$ = CYNew CYTrue(); }
1646     | "NO" { $$ = CYNew CYFalse(); }
1647     ;
1648
1649 PrimaryExpression
1650     : "@" BoxableExpression { $$ = CYNew CYBox($2); }
1651     | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); }
1652     | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); }
1653     | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); }
1654     | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); }
1655     | "@null" { $$ = CYNew CYBox(CYNew CYNull()); }
1656     ;
1657 /* }}} */
1658 /* Cycript (Objective-C): Block Expressions {{{ */
1659 PrimaryExpression
1660     : "^" TypedIdentifier { if ($2->identifier_ != NULL) error($2->location_, "unexpected identifier"); } BRACE LexPushInOff FunctionBody "}" LexPopIn { if (CYTypeFunctionWith *function = $2->Function()) $$ = CYNew CYObjCBlock($2, function->parameters_, $6); else error($2->location_, "expected parameters"); }
1661     ;
1662 /* }}} */
1663 /* Cycript (Objective-C): Instance Literals {{{ */
1664 PrimaryExpression
1665     : "#" NumericLiteral { $$ = CYNew CYInstanceLiteral($2); }
1666     ;
1667 /* }}} */
1668 @end
1669
1670 @begin C
1671 /* Cycript (C): Pointer Indirection/Addressing {{{ */
1672 LeftHandSideExpression
1673     : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); }
1674     ;
1675
1676 UnaryExpression_
1677     : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); }
1678     ;
1679
1680 MemberAccess
1681     : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); }
1682     | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); }
1683     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
1684     ;
1685 /* }}} */
1686 /* Cycript (C): auto Compatibility {{{ */
1687 Var_
1688     : "auto"
1689     ;
1690 /* }}} */
1691 /* Cycript (C): Lambda Expressions {{{ */
1692 TypedParameterList_
1693     : "," TypedParameterList { $$ = $2; }
1694     | { $$ = NULL; }
1695     ;
1696
1697 TypedParameterList
1698     : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); }
1699     ;
1700
1701 TypedParameterListOpt
1702     : TypedParameterList { $$ = $1; }
1703     | { $$ = NULL; }
1704     ;
1705
1706 PrimaryExpression
1707     : "[" LexPushInOff LexSetRegExp "&" LexSetRegExp "]" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn "->" TypedIdentifier BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYLambda($14, $10, $17); }
1708     ;
1709 /* }}} */
1710 /* Cycript (C): Type Definitions {{{ */
1711 Statement__
1712     : "typedef" TypedIdentifier { if ($2->identifier_ == NULL) error($2->location_, "expected identifier"); } Terminator { $$ = CYNew CYTypeDefinition($2); }
1713     ;
1714 /* }}} */
1715 /* Cycript (C): extern "C" {{{ */
1716 Statement__
1717     : "extern" StringLiteral { if (strcmp($2->Value(), "C") != 0) error(@2, "unknown extern binding"); } TypedIdentifier { if ($4->identifier_ == NULL) error($4->location_, "expected identifier"); } Terminator { $$ = CYNew CYExternal($2, $4); }
1718     ;
1719 /* }}} */
1720
1721 @end
1722
1723 /* YUI: Documentation Comments {{{ */
1724 Statement__
1725     : Comment { $$ = $1; }
1726     ;
1727 /* }}} */
1728
1729 @begin E4X
1730 /* Lexer State {{{ */
1731 LexPushRegExp
1732     : { driver.PushCondition(CYDriver::RegExpCondition); }
1733     ;
1734
1735 LexPushXMLContent
1736     : { driver.PushCondition(CYDriver::XMLContentCondition); }
1737     ;
1738
1739 LexPushXMLTag
1740     : { driver.PushCondition(CYDriver::XMLTagCondition); }
1741     ;
1742
1743 LexPop
1744     : { driver.PopCondition(); }
1745     ;
1746
1747 LexSetXMLContent
1748     : { driver.SetCondition(CYDriver::XMLContentCondition); }
1749     ;
1750
1751 LexSetXMLTag
1752     : { driver.SetCondition(CYDriver::XMLTagCondition); }
1753     ;
1754 /* }}} */
1755 /* Virtual Tokens {{{ */
1756 XMLWhitespaceOpt
1757     : XMLWhitespace
1758     |
1759     ;
1760 /* }}} */
1761
1762 /* 8.1 Context Keywords {{{ */
1763 Identifier
1764     : "namespace" { $$ = $1; }
1765     | "xml" { $$ = $1; }
1766     ;
1767 /* }}} */
1768 /* 8.3 XML Initialiser Input Elements {{{ */
1769 XMLMarkup
1770     : XMLComment { $$ = $1; }
1771     | XMLCDATA { $$ = $1; }
1772     | XMLPI { $$ = $1; }
1773     ;
1774 /* }}} */
1775
1776 /* 11.1 Primary Expressions {{{ */
1777 PrimaryExpression
1778     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
1779     | XMLInitialiser { $$ = $1; }
1780     | XMLListInitialiser { $$ = $1; }
1781     ;
1782
1783 PropertyIdentifier
1784     : AttributeIdentifier { $$ = $1; }
1785     | QualifiedIdentifier { $$ = $1; }
1786     | WildcardIdentifier { $$ = $1; }
1787     ;
1788 /* }}} */
1789 /* 11.1.1 Attribute Identifiers {{{ */
1790 AttributeIdentifier
1791     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
1792     ;
1793
1794 PropertySelector_
1795     : PropertySelector { $$ = $1; }
1796     | "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYSelector($3); }
1797     ;
1798
1799 PropertySelector
1800     : Identifier { $$ = CYNew CYSelector($1); }
1801     | WildcardIdentifier { $$ = $1; }
1802     ;
1803 /* }}} */
1804 /* 11.1.2 Qualified Identifiers {{{ */
1805 QualifiedIdentifier_
1806     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
1807     | QualifiedIdentifier { $$ = $1; }
1808     ;
1809
1810 QualifiedIdentifier
1811     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
1812     ;
1813 /* }}} */
1814 /* 11.1.3 Wildcard Identifiers {{{ */
1815 WildcardIdentifier
1816     : "*" { $$ = CYNew CYWildcard(); }
1817     ;
1818 /* }}} */
1819 /* 11.1.4 XML Initialiser {{{ */
1820 XMLInitialiser
1821     : XMLMarkup { $$ = $1; }
1822     | XMLElement { $$ = $1; }
1823     ;
1824
1825 XMLElement
1826     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
1827     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
1828     ;
1829
1830 XMLTagContent
1831     : LexPushXMLTag XMLTagName XMLAttributes
1832     ;
1833
1834 XMLExpression
1835     : BRACE LexPushRegExp Expression LexPop "}"
1836     ;
1837
1838 XMLTagName
1839     : XMLExpression
1840     | XMLName
1841     ;
1842
1843 XMLAttributes_
1844     : XMLAttributes_ XMLAttribute
1845     |
1846     ;
1847
1848 XMLAttributes
1849     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
1850     | XMLAttributes_ XMLWhitespaceOpt
1851     ;
1852
1853 XMLAttributeValue_
1854     : XMLExpression
1855     | XMLAttributeValue
1856     ;
1857
1858 XMLAttribute
1859     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
1860     ;
1861
1862 XMLElementContent
1863     : XMLExpression XMLElementContentOpt
1864     | XMLMarkup XMLElementContentOpt
1865     | XMLText XMLElementContentOpt
1866     | XMLElement XMLElementContentOpt
1867     ;
1868
1869 XMLElementContentOpt
1870     : XMLElementContent
1871     |
1872     ;
1873 /* }}} */
1874 /* 11.1.5 XMLList Initialiser {{{ */
1875 XMLListInitialiser
1876     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
1877     ;
1878 /* }}} */
1879
1880 /* 11.2 Left-Hand-Side Expressions {{{ */
1881 PropertyIdentifier_
1882     : Identifier { $$ = $1; }
1883     | PropertyIdentifier { $$ = $1; }
1884     ;
1885
1886 MemberAccess
1887     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
1888     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
1889     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
1890     ;
1891 /* }}} */
1892 /* 12.1 The default xml namespace Statement {{{ */
1893 /* XXX: DefaultXMLNamespaceStatement
1894     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
1895     ;
1896
1897 Statement__
1898     : DefaultXMLNamespaceStatement { $$ = $1; }
1899     ; */
1900 /* }}} */
1901 @end
1902
1903 /* JavaScript 1.7: Array Comprehensions {{{ */
1904 Comprehension
1905     : AssignmentExpression ComprehensionFor ComprehensionTail { $$ = CYNew CYArrayComprehension($1, $2->Modify($3)); }
1906     ;
1907
1908 ComprehensionFor
1909     : "for" "(" Binding "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
1910     | "for" "each" "(" Binding "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
1911     ;
1912 /* }}} */
1913 /* JavaScript 1.7: for each {{{ */
1914 IterationStatement
1915     : "for" "each" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
1916     ;
1917 /* }}} */
1918 /* JavaScript 1.7: let Statements {{{ */
1919 LetStatement
1920     : "let" "(" VariableDeclarationList ")" Statement { $$ = CYNew CYLetStatement($3, $5); }
1921     ;
1922
1923 Statement__
1924     : LetStatement
1925     ;
1926 /* }}} */
1927
1928 /* JavaScript FTW: Ruby Blocks {{{ */
1929 RubyProcParameterList_
1930     : "," RubyProcParameterList { $$ = $2; }
1931     | { $$ = NULL; }
1932     ;
1933
1934 RubyProcParameterList
1935     : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); }
1936     | { $$ = NULL; }
1937     ;
1938
1939 RubyProcParameters
1940     : "|" RubyProcParameterList "|" { $$ = $2; }
1941     | "||" { $$ = NULL; }
1942     ;
1943
1944 RubyProcParametersOpt
1945     : RubyProcParameters
1946     | { $$ = NULL; }
1947     ;
1948
1949 RubyProcExpression
1950     : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
1951     ;
1952
1953 PrimaryExpression
1954     : "{" LexPushInOff RubyProcParameters StatementListOpt "}" LexPopIn { $$ = CYNew CYRubyProc($3, $4); }
1955     ;
1956
1957 CallExpression
1958     : CallExpression_ RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }
1959     ;
1960 /* }}} */
1961
1962 %%