Parser.ypp.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 YYSTACKEXPANDABLE 1
  24 }
  25
  26 %code requires {
  27 #include "Driver.hpp"
  28 #include "Parser.hpp"
  29 #include "Stack.hpp"
  30 #define CYNew new(driver.pool_)
  31
  32 @begin ObjectiveC
  33 #include "ObjectiveC/Syntax.hpp"
  34 @end
  35
  36 @begin E4X
  37 #include "E4X/Syntax.hpp"
  38 @end
  39
  40 #include "Highlight.hpp"
  41 }
  42
  43 %union { bool bool_; }
  44
  45 %union { CYMember *access_; }
  46 %union { CYArgument *argument_; }
  47 %union { CYAssignment *assignment_; }
  48 %union { CYBinding *binding_; }
  49 %union { CYBindings *bindings_; }
  50 %union { CYBoolean *boolean_; }
  51 %union { CYClause *clause_; }
  52 %union { cy::Syntax::Catch *catch_; }
  53 %union { CYClassTail *classTail_; }
  54 %union { CYComprehension *comprehension_; }
  55 %union { CYElement *element_; }
  56 %union { CYExpression *expression_; }
  57 %union { CYFalse *false_; }
  58 %union { CYVariable *variable_; }
  59 %union { CYFinally *finally_; }
  60 %union { CYForInitializer *for_; }
  61 %union { CYForInInitializer *forin_; }
  62 %union { CYFunctionParameter *functionParameter_; }
  63 %union { CYIdentifier *identifier_; }
  64 %union { CYInfix *infix_; }
  65 %union { CYLiteral *literal_; }
  66 %union { CYMethod *method_; }
  67 %union { CYModule *module_; }
  68 %union { CYNull *null_; }
  69 %union { CYNumber *number_; }
  70 %union { CYParenthetical *parenthetical_; }
  71 %union { CYProperty *property_; }
  72 %union { CYPropertyName *propertyName_; }
  73 %union { CYRubyProc *rubyProc_; }
  74 %union { CYSpan *span_; }
  75 %union { CYStatement *statement_; }
  76 %union { CYString *string_; }
  77 %union { CYTarget *target_; }
  78 %union { CYThis *this_; }
  79 %union { CYTrue *true_; }
  80 %union { CYWord *word_; }
  81
  82 @begin C
  83 %union { CYTypeStructField *structField_; }
  84 %union { CYTypeModifier *modifier_; }
  85 %union { CYTypeSpecifier *specifier_; }
  86 %union { CYTypedIdentifier *typedIdentifier_; }
  87 %union { CYTypedParameter *typedParameter_; }
  88 @end
  89
  90 @begin ObjectiveC
  91 %union { CYImplementationField *implementationField_; }
  92 %union { CYMessage *message_; }
  93 %union { CYMessageParameter *messageParameter_; }
  94 %union { CYProtocol *protocol_; }
  95 %union { CYSelectorPart *selector_; }
  96 @end
  97
  98 @begin E4X
  99 %union { CYAttribute *attribute_; }
 100 %union { CYPropertyIdentifier *propertyIdentifier_; }
 101 %union { CYSelector *selector_; }
 102 @end
 103
 104 %code provides {
 105
 106 struct YYSTYPE {
 107     cy::parser::semantic_type semantic_;
 108     hi::Value highlight_;
 109 };
 110
 111 int cylex(YYSTYPE *, CYLocation *, void *);
 112
 113 }
 114
 115 %code {
 116
 117 #undef yylex
 118
 119 typedef cy::parser::token tk;
 120
 121 _finline int cylex_(cy::parser::semantic_type *semantic, CYLocation *location, CYDriver &driver) {
 122     driver.newline_ = false;
 123   lex:
 124     YYSTYPE data;
 125     int token(cylex(&data, location, driver.scanner_));
 126     *semantic = data.semantic_;
 127
 128     switch (token) {
 129         case tk::OpenBrace:
 130         case tk::OpenBracket:
 131         case tk::OpenParen:
 132             driver.in_.push(false);
 133         break;
 134
 135         case tk::_in_:
 136             if (driver.in_.top())
 137                 token = tk::_in__;
 138         break;
 139
 140         case tk::CloseBrace:
 141         case tk::CloseBracket:
 142         case tk::CloseParen:
 143             driver.in_.pop();
 144         break;
 145
 146
 147         case tk::_yield_:
 148             if (driver.yield_.top())
 149                 token = tk::_yield__;
 150         break;
 151
 152         case tk::NewLine:
 153             driver.newline_ = true;
 154             goto lex;
 155         break;
 156     }
 157
 158     return token;
 159 }
 160
 161 #define yylex_(semantic, location, driver) ({ \
 162     int type; \
 163     if (driver.hold_ == cy::parser::empty_symbol) \
 164         type = yytranslate_(cylex_(semantic, location, driver)); \
 165     else { \
 166         type = driver.hold_; \
 167         driver.hold_ = cy::parser::empty_symbol; \
 168     } \
 169 type; })
 170
 171 #define CYLEX() do if (yyla.empty()) { \
 172     YYCDEBUG << "Mapping a token: "; \
 173     yyla.type = yylex_(&yyla.value, &yyla.location, driver); \
 174     YY_SYMBOL_PRINT("Next token is", yyla); \
 175 } while (false)
 176
 177 #define CYMAP(to, from) do { \
 178     CYLEX(); \
 179     if (yyla.type == yytranslate_(token::from)) \
 180         yyla.type = yytranslate_(token::to); \
 181 } while (false)
 182
 183 #define CYERR(location, message) do { \
 184     error(location, message); \
 185     YYABORT; \
 186 } while (false)
 187
 188 #define CYEOK() do { \
 189     yyerrok; \
 190     driver.errors_.pop_back(); \
 191 } while (false)
 192
 193 #define CYNOT(location) \
 194     CYERR(location, "unimplemented feature")
 195
 196 #define CYMPT(location) do { \
 197     if (!yyla.empty() && yyla.type_get() != yyeof_) \
 198         CYERR(location, "unexpected lookahead"); \
 199 } while (false)
 200
 201 }
 202
 203 %name-prefix "cy"
 204
 205 %language "C++"
 206
 207 %initial-action {
 208     @$.begin.filename = @$.end.filename = &driver.filename_;
 209
 210     switch (driver.mark_) {
 211         case CYMarkScript:
 212             driver.hold_ = yytranslate_(token::MarkScript);
 213             break;
 214         case CYMarkModule:
 215             driver.hold_ = yytranslate_(token::MarkModule);
 216             break;
 217     }
 218 };
 219
 220 %locations
 221 %defines
 222
 223 %define api.location.type { CYLocation }
 224
 225 //%glr-parser
 226 //%expect 1
 227
 228 %error-verbose
 229
 230 %param { CYDriver &driver }
 231
 232 /* Token Declarations {{{ */
 233 @begin E4X
 234 %token XMLCDATA
 235 %token XMLComment
 236 %token XMLPI
 237
 238 %token XMLAttributeValue
 239 %token XMLName
 240 %token XMLTagCharacters
 241 %token XMLText
 242 %token XMLWhitespace
 243 @end
 244
 245 @begin E4X
 246 %token LeftRight "<>"
 247 %token LeftSlashRight "</>"
 248
 249 %token SlashRight "/>"
 250 %token LeftSlash "</"
 251
 252 %token ColonColon "::"
 253 %token PeriodPeriod ".."
 254 @end
 255
 256 @begin E4X ObjectiveC
 257 %token At "@"
 258 %token Pound "#"
 259 @end
 260
 261 %token Ampersand "&"
 262 %token AmpersandAmpersand "&&"
 263 %token AmpersandEqual "&="
 264 %token Carrot "^"
 265 %token CarrotEqual "^="
 266 %token Equal "="
 267 %token EqualEqual "=="
 268 %token EqualEqualEqual "==="
 269 %token EqualRight "=>"
 270 %token Exclamation "!"
 271 %token ExclamationEqual "!="
 272 %token ExclamationEqualEqual "!=="
 273 %token Hyphen "-"
 274 %token HyphenEqual "-="
 275 %token HyphenHyphen "--"
 276 %token HyphenRight "->"
 277 %token Left "<"
 278 %token LeftEqual "<="
 279 %token LeftLeft "<<"
 280 %token LeftLeftEqual "<<="
 281 %token Percent "%"
 282 %token PercentEqual "%="
 283 %token Period "."
 284 %token PeriodPeriodPeriod "..."
 285 %token Pipe "|"
 286 %token PipeEqual "|="
 287 %token PipePipe "||"
 288 %token Plus "+"
 289 %token PlusEqual "+="
 290 %token PlusPlus "++"
 291 %token Right ">"
 292 %token RightEqual ">="
 293 %token RightRight ">>"
 294 %token RightRightEqual ">>="
 295 %token RightRightRight ">>>"
 296 %token RightRightRightEqual ">>>="
 297 %token Slash "/"
 298 %token SlashEqual "/="
 299 %token Star "*"
 300 %token StarEqual "*="
 301 %token Tilde "~"
 302
 303 %token Colon ":"
 304 %token Comma ","
 305 %token Question "?"
 306 %token SemiColon ";"
 307 %token NewLine "\n"
 308 %token __ ""
 309
 310 %token Comment
 311
 312 %token OpenParen "("
 313 %token CloseParen ")"
 314
 315 %token OpenBrace "{"
 316 %token OpenBrace_ ";{"
 317 %token OpenBrace_let "let {"
 318 %token CloseBrace "}"
 319
 320 %token OpenBracket "["
 321 %token OpenBracket_let "let ["
 322 %token CloseBracket "]"
 323
 324 %token At_error_ "@error"
 325
 326 @begin Java
 327 %token At_class_ "@class"
 328 @end
 329
 330 @begin C
 331 %token _typedef_ "typedef"
 332 %token _unsigned_ "unsigned"
 333 %token _signed_ "signed"
 334 %token _struct_ "struct"
 335 %token _extern_ "extern"
 336 @end
 337
 338 @begin C
 339 %token At_encode_ "@encode"
 340 @end
 341
 342 @begin ObjectiveC
 343 %token At_implementation_ "@implementation"
 344 %token At_import_ "@import"
 345 %token At_end_ "@end"
 346 %token At_selector_ "@selector"
 347 %token At_null_ "@null"
 348 %token At_YES_ "@YES"
 349 %token At_NO_ "@NO"
 350 %token At_true_ "@true"
 351 %token At_false_ "@false"
 352 %token _YES_ "YES"
 353 %token _NO_ "NO"
 354 @end
 355
 356 %token _false_ "false"
 357 %token _null_ "null"
 358 %token _true_ "true"
 359
 360 %token _break_ "break"
 361 %token _case_ "case"
 362 %token _catch_ "catch"
 363 %token _class_ "class"
 364 %token _class__ ";class"
 365 %token _const_ "const"
 366 %token _continue_ "continue"
 367 %token _debugger_ "debugger"
 368 %token _default_ "default"
 369 %token _delete_ "delete"
 370 %token _do_ "do"
 371 %token _else_ "else"
 372 %token _enum_ "enum"
 373 %token _export_ "export"
 374 %token _extends_ "extends"
 375 %token _finally_ "finally"
 376 %token _for_ "for"
 377 %token _function_ "function"
 378 %token _function__ ";function"
 379 %token _if_ "if"
 380 %token _import_ "import"
 381 %token _in_ "in"
 382 %token _in__ "!in"
 383 %token _Infinity_ "Infinity"
 384 %token _instanceof_ "instanceof"
 385 %token _new_ "new"
 386 %token _return_ "return"
 387 %token _super_ "super"
 388 %token _switch_ "switch"
 389 %token _target_ "target"
 390 %token _this_ "this"
 391 %token _throw_ "throw"
 392 %token _try_ "try"
 393 %token _typeof_ "typeof"
 394 %token _var_ "var"
 395 %token _void_ "void"
 396 %token _while_ "while"
 397 %token _with_ "with"
 398
 399 %token _abstract_ "abstract"
 400 %token _await_ "await"
 401 %token _boolean_ "boolean"
 402 %token _byte_ "byte"
 403 %token _char_ "char"
 404 %token _constructor_ "constructor"
 405 %token _double_ "double"
 406 %token _eval_ "eval"
 407 %token _final_ "final"
 408 %token _float_ "float"
 409 %token _from_ "from"
 410 %token _get_ "get"
 411 %token _goto_ "goto"
 412 %token _implements_ "implements"
 413 %token _int_ "int"
 414 %token _interface_ "interface"
 415 %token _let_ "let"
 416 %token _let__ "!let"
 417 %token _long_ "long"
 418 %token _native_ "native"
 419 %token _package_ "package"
 420 %token _private_ "private"
 421 %token _protected_ "protected"
 422 %token ___proto___ "__proto__"
 423 %token _prototype_ "prototype"
 424 %token _public_ "public"
 425 %token _set_ "set"
 426 %token _short_ "short"
 427 %token _static_ "static"
 428 %token _synchronized_ "synchronized"
 429 %token _throws_ "throws"
 430 %token _transient_ "transient"
 431 %token _volatile_ "volatile"
 432 %token _yield_ "yield"
 433 %token _yield__ "!yield"
 434
 435 %token _undefined_ "undefined"
 436
 437 @begin ObjectiveC
 438 %token _bool_ "bool"
 439 %token _BOOL_ "BOOL"
 440 %token _id_ "id"
 441 %token _nil_ "nil"
 442 %token _NULL_ "NULL"
 443 %token _SEL_ "SEL"
 444 @end
 445
 446 %token _each_ "each"
 447 %token _of_ "of"
 448 %token _of__ "!of"
 449
 450 @begin E4X
 451 %token _namespace_ "namespace"
 452 %token _xml_ "xml"
 453 @end
 454
 455 %token AutoComplete
 456 %token YieldStar "yield *"
 457
 458 %token <identifier_> Identifier_
 459 %token <number_> NumericLiteral
 460 %token <string_> StringLiteral
 461 %token <literal_> RegularExpressionLiteral_
 462
 463 %token <string_> NoSubstitutionTemplate
 464 %token <string_> TemplateHead
 465 %token <string_> TemplateMiddle
 466 %token <string_> TemplateTail
 467
 468 %type <target_> AccessExpression
 469 %type <expression_> AdditiveExpression
 470 %type <argument_> ArgumentList_
 471 %type <argument_> ArgumentList
 472 %type <argument_> ArgumentListOpt
 473 %type <argument_> Arguments
 474 %type <target_> ArrayComprehension
 475 %type <literal_> ArrayLiteral
 476 %type <expression_> ArrowFunction
 477 %type <functionParameter_> ArrowParameters
 478 %type <expression_> AssignmentExpression
 479 %type <expression_> AssignmentExpressionOpt
 480 %type <identifier_> BindingIdentifier
 481 %type <identifier_> BindingIdentifierOpt
 482 %type <bindings_> BindingList_
 483 %type <bindings_> BindingList
 484 %type <expression_> BitwiseANDExpression
 485 %type <statement_> Block
 486 %type <statement_> BlockStatement
 487 %type <boolean_> BooleanLiteral
 488 %type <binding_> BindingElement
 489 %type <expression_> BitwiseORExpression
 490 %type <expression_> BitwiseXORExpression
 491 %type <statement_> BreakStatement
 492 %type <statement_> BreakableStatement
 493 %type <expression_> CallExpression_
 494 %type <target_> CallExpression
 495 %type <clause_> CaseBlock
 496 %type <clause_> CaseClause
 497 %type <clause_> CaseClausesOpt
 498 %type <catch_> Catch
 499 %type <identifier_> CatchParameter
 500 %type <statement_> ClassDeclaration
 501 %type <target_> ClassExpression
 502 %type <classTail_> ClassHeritage
 503 %type <classTail_> ClassHeritageOpt
 504 %type <classTail_> ClassTail
 505 %type <target_> Comprehension
 506 %type <comprehension_> ComprehensionFor
 507 %type <comprehension_> ComprehensionIf
 508 %type <comprehension_> ComprehensionTail
 509 %type <propertyName_> ComputedPropertyName
 510 %type <expression_> ConditionalExpression
 511 %type <statement_> ContinueStatement
 512 %type <statement_> ConciseBody
 513 %type <parenthetical_> CoverParenthesizedExpressionAndArrowParameterList
 514 %type <statement_> DebuggerStatement
 515 %type <statement_> Declaration_
 516 %type <statement_> Declaration
 517 %type <clause_> DefaultClause
 518 %type <element_> ElementList
 519 %type <element_> ElementListOpt
 520 %type <statement_> ElseStatementOpt
 521 %type <for_> EmptyStatement
 522 %type <expression_> EqualityExpression
 523 %type <expression_> Expression
 524 %type <expression_> ExpressionOpt
 525 %type <for_> ExpressionStatement_
 526 %type <statement_> ExpressionStatement
 527 %type <statement_> ExternC
 528 %type <statement_> ExternCStatement
 529 %type <statement_> ExternCStatementListOpt
 530 %type <finally_> Finally
 531 %type <binding_> ForBinding
 532 %type <forin_> ForDeclaration
 533 %type <forin_> ForInStatementInitializer
 534 %type <for_> ForStatementInitializer
 535 %type <binding_> FormalParameter
 536 %type <functionParameter_> FormalParameterList_
 537 %type <functionParameter_> FormalParameterList
 538 %type <functionParameter_> FormalParameters
 539 %type <statement_> FunctionBody
 540 %type <statement_> FunctionDeclaration
 541 %type <target_> FunctionExpression
 542 %type <statement_> FunctionStatementList
 543 %type <statement_> GeneratorBody
 544 %type <statement_> GeneratorDeclaration
 545 %type <target_> GeneratorExpression
 546 %type <method_> GeneratorMethod
 547 %type <statement_> HoistableDeclaration
 548 %type <identifier_> Identifier
 549 %type <identifier_> IdentifierNoOf
 550 %type <identifier_> IdentifierType
 551 %type <identifier_> IdentifierTypeNoOf
 552 %type <identifier_> IdentifierTypeOpt
 553 %type <word_> IdentifierName
 554 %type <variable_> IdentifierReference
 555 %type <statement_> IfStatement
 556 %type <target_> IndirectExpression
 557 %type <expression_> Initializer
 558 %type <expression_> InitializerOpt
 559 %type <statement_> IterationStatement
 560 %type <identifier_> LabelIdentifier
 561 %type <statement_> LabelledItem
 562 %type <statement_> LabelledStatement
 563 %type <assignment_> LeftHandSideAssignment
 564 %type <target_> LeftHandSideExpression
 565 %type <bool_> LetOrConst
 566 %type <binding_> LexicalBinding
 567 %type <for_> LexicalDeclaration_
 568 %type <statement_> LexicalDeclaration
 569 %type <literal_> Literal
 570 %type <propertyName_> LiteralPropertyName
 571 %type <expression_> LogicalANDExpression
 572 %type <expression_> LogicalORExpression
 573 %type <access_> MemberAccess
 574 %type <target_> MemberExpression
 575 %type <method_> MethodDefinition
 576 %type <module_> ModulePath
 577 %type <expression_> MultiplicativeExpression
 578 %type <target_> NewExpression
 579 %type <null_> NullLiteral
 580 %type <literal_> ObjectLiteral
 581 %type <expression_> PostfixExpression
 582 %type <target_> PrimaryExpression
 583 %type <propertyName_> PropertyName
 584 %type <property_> PropertyDefinition
 585 %type <property_> PropertyDefinitionList_
 586 %type <property_> PropertyDefinitionList
 587 %type <property_> PropertyDefinitionListOpt
 588 %type <functionParameter_> PropertySetParameterList
 589 %type <literal_> RegularExpressionLiteral
 590 %type <bool_> RegularExpressionSlash
 591 %type <expression_> RelationalExpression
 592 %type <statement_> ReturnStatement
 593 %type <target_> RubyBlockExpression_
 594 %type <target_> RubyBlockExpression
 595 %type <rubyProc_> RubyProcExpression
 596 %type <functionParameter_> RubyProcParameterList_
 597 %type <functionParameter_> RubyProcParameterList
 598 %type <functionParameter_> RubyProcParameters
 599 %type <functionParameter_> RubyProcParametersOpt
 600 %type <statement_> Script
 601 %type <statement_> ScriptBody
 602 %type <statement_> ScriptBodyOpt
 603 %type <expression_> ShiftExpression
 604 %type <binding_> SingleNameBinding
 605 %type <statement_> Statement__
 606 %type <statement_> Statement_
 607 %type <statement_> Statement
 608 %type <statement_> StatementList
 609 %type <statement_> StatementListOpt
 610 %type <statement_> StatementListItem
 611 %type <functionParameter_> StrictFormalParameters
 612 %type <target_> SuperCall
 613 %type <target_> SuperProperty
 614 %type <statement_> SwitchStatement
 615 %type <target_> TemplateLiteral
 616 %type <span_> TemplateSpans
 617 %type <statement_> ThrowStatement
 618 %type <statement_> TryStatement
 619 %type <statement_> TypeDefinition
 620 %type <expression_> UnaryExpression_
 621 %type <expression_> UnaryExpression
 622 %type <binding_> VariableDeclaration
 623 %type <bindings_> VariableDeclarationList_
 624 %type <bindings_> VariableDeclarationList
 625 %type <for_> VariableStatement_
 626 %type <statement_> VariableStatement
 627 %type <statement_> WithStatement
 628 %type <word_> Word
 629 @begin ObjectiveC
 630 %type <word_> WordOpt
 631 @end
 632 %type <expression_> YieldExpression
 633
 634 @begin C
 635 %type <specifier_> IntegerType
 636 %type <specifier_> IntegerTypeOpt
 637 %type <typedIdentifier_> PrefixedType
 638 %type <specifier_> PrimitiveType
 639 %type <structField_> StructFieldListOpt
 640 %type <typedIdentifier_> SuffixedType
 641 %type <typedIdentifier_> SuffixedTypeOpt
 642 %type <typedIdentifier_> TypeSignifier
 643 %type <typedIdentifier_> TypeSignifierOpt
 644 %type <modifier_> TypeQualifierLeft
 645 %type <modifier_> TypeQualifierLeftOpt
 646 %type <typedIdentifier_> TypeQualifierRight
 647 %type <typedIdentifier_> TypeQualifierRightOpt
 648 %type <typedIdentifier_> TypedIdentifierMaybe
 649 %type <typedIdentifier_> TypedIdentifierNo
 650 %type <typedIdentifier_> TypedIdentifierYes
 651 %type <typedParameter_> TypedParameterList_
 652 %type <typedParameter_> TypedParameterList
 653 %type <typedParameter_> TypedParameterListOpt
 654 @end
 655
 656 @begin ObjectiveC
 657 %type <expression_> AssignmentExpressionClassic
 658 %type <expression_> BoxableExpression
 659 %type <statement_> CategoryStatement
 660 %type <expression_> ClassSuperOpt
 661 %type <expression_> ConditionalExpressionClassic
 662 %type <message_> ClassMessageDeclaration
 663 %type <message_> ClassMessageDeclarationListOpt
 664 %type <protocol_> ClassProtocolListOpt
 665 %type <protocol_> ClassProtocols
 666 %type <protocol_> ClassProtocolsOpt
 667 %type <implementationField_> ImplementationFieldListOpt
 668 %type <statement_> ImplementationStatement
 669 %type <target_> MessageExpression
 670 %type <messageParameter_> MessageParameter
 671 %type <messageParameter_> MessageParameters
 672 %type <messageParameter_> MessageParameterList
 673 %type <messageParameter_> MessageParameterListOpt
 674 %type <bool_> MessageScope
 675 %type <argument_> SelectorCall_
 676 %type <argument_> SelectorCall
 677 %type <selector_> SelectorExpression_
 678 %type <selector_> SelectorExpression
 679 %type <selector_> SelectorExpressionOpt
 680 %type <argument_> SelectorList
 681 %type <word_> SelectorWordOpt
 682 %type <typedIdentifier_> TypeOpt
 683 %type <argument_> VariadicCall
 684 @end
 685
 686 @begin E4X
 687 %type <propertyIdentifier_> PropertyIdentifier_
 688 %type <selector_> PropertySelector_
 689 %type <selector_> PropertySelector
 690 %type <identifier_> QualifiedIdentifier_
 691 %type <identifier_> QualifiedIdentifier
 692 %type <identifier_> WildcardIdentifier
 693 %type <identifier_> XMLComment
 694 %type <identifier_> XMLCDATA
 695 %type <identifier_> XMLElement
 696 %type <identifier_> XMLElementContent
 697 %type <identifier_> XMLMarkup
 698 %type <identifier_> XMLPI
 699
 700 %type <attribute_> AttributeIdentifier
 701 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 702 %type <expression_> PropertyIdentifier
 703 %type <expression_> XMLListInitilizer
 704 %type <expression_> XMLInitilizer
 705 @end
 706 /* }}} */
 707 /* Token Priorities {{{ */
 708 %nonassoc "if"
 709 %nonassoc "else"
 710 /* }}} */
 711
 712 %start Program
 713 %token MarkModule
 714 %token MarkScript
 715
 716 %%
 717
 718 Program
 719     : MarkScript Script
 720     | MarkModule Module
 721     ;
 722
 723 /* Lexer State {{{ */
 724 LexPushInOn: { driver.in_.push(true); };
 725 LexPushInOff: { driver.in_.push(false); };
 726 LexPopIn: { driver.in_.pop(); };
 727
 728 LexPushReturnOn: { driver.return_.push(true); };
 729 LexPopReturn: { driver.return_.pop(); };
 730 Return: "return"[return] { if (!driver.return_.top()) CYERR(@return, "invalid return"); };
 731
 732 LexPushSuperOn: { driver.super_.push(true); };
 733 LexPushSuperOff: { driver.super_.push(false); };
 734 LexPopSuper: { driver.super_.pop(); };
 735 Super: "super"[super] { if (!driver.super_.top()) CYERR(@super, "invalid super"); };
 736
 737 LexPushYieldOn: { driver.yield_.push(true); };
 738 LexPushYieldOff: { driver.yield_.push(false); };
 739 LexPopYield: { driver.yield_.pop(); };
 740
 741 LexNewLineOrOpt
 742     : { CYLEX(); if (driver.hold_ != empty_symbol) CYERR(@$, "unexpected hold"); if (driver.newline_) { driver.hold_ = yyla.type; yyla.type = yytranslate_(cy::parser::token::NewLine); } }
 743     ;
 744
 745 LexNewLineOrNot
 746     : { CYLEX(); if (driver.hold_ != empty_symbol) CYERR(@$, "unexpected hold"); driver.hold_ = yyla.type; yyla.type = yytranslate_(driver.newline_ ? cy::parser::token::NewLine : cy::parser::token::__); }
 747     ;
 748
 749 LexNoStar
 750     : { CYMAP(YieldStar, Star); }
 751     ;
 752
 753 LexNoBrace
 754     : { CYMAP(OpenBrace_, OpenBrace); }
 755     ;
 756
 757 LexNoClass
 758     : { CYMAP(_class__, _class_); }
 759     ;
 760
 761 LexNoFunction
 762     : { CYMAP(_function__, _function_); }
 763     ;
 764
 765 LexSetStatement
 766     : LexNoBrace LexNoClass LexNoFunction
 767     ;
 768 /* }}} */
 769 /* Virtual Tokens {{{ */
 770 Var_
 771     : "var"
 772     ;
 773 /* }}} */
 774
 775 /* 11.6 Names and Keywords {{{ */
 776 IdentifierName
 777     : Word[pass] { $$ = $pass; }
 778     | "for" { $$ = CYNew CYWord("for"); }
 779     | "in" { $$ = CYNew CYWord("in"); }
 780     | "instanceof" { $$ = CYNew CYWord("instanceof"); }
 781     ;
 782
 783 Word
 784     : IdentifierNoOf[pass] { $$ = $pass; }
 785     | "break" { $$ = CYNew CYWord("break"); }
 786     | "case" { $$ = CYNew CYWord("case"); }
 787     | "catch" { $$ = CYNew CYWord("catch"); }
 788     | "class" LexOf { $$ = CYNew CYWord("class"); }
 789     | ";class" { $$ = CYNew CYWord("class"); }
 790     | "const" { $$ = CYNew CYWord("const"); }
 791     | "continue" { $$ = CYNew CYWord("continue"); }
 792     | "debugger" { $$ = CYNew CYWord("debugger"); }
 793     | "default" { $$ = CYNew CYWord("default"); }
 794     | "delete" { $$ = CYNew CYWord("delete"); }
 795     | "do" { $$ = CYNew CYWord("do"); }
 796     | "else" { $$ = CYNew CYWord("else"); }
 797     | "enum" { $$ = CYNew CYWord("enum"); }
 798     | "export" { $$ = CYNew CYWord("export"); }
 799     | "extends" { $$ = CYNew CYWord("extends"); }
 800     | "false" { $$ = CYNew CYWord("false"); }
 801     | "finally" { $$ = CYNew CYWord("finally"); }
 802     | "function" LexOf { $$ = CYNew CYWord("function"); }
 803     | "if" { $$ = CYNew CYWord("if"); }
 804     | "import" { $$ = CYNew CYWord("import"); }
 805     | "!in" { $$ = CYNew CYWord("in"); }
 806     | "!of" { $$ = CYNew CYWord("of"); }
 807     | "new" { $$ = CYNew CYWord("new"); }
 808     | "null" { $$ = CYNew CYWord("null"); }
 809     | "return" { $$ = CYNew CYWord("return"); }
 810     | "super" { $$ = CYNew CYWord("super"); }
 811     | "switch" { $$ = CYNew CYWord("switch"); }
 812     | "this" { $$ = CYNew CYWord("this"); }
 813     | "throw" { $$ = CYNew CYWord("throw"); }
 814     | "true" { $$ = CYNew CYWord("true"); }
 815     | "try" { $$ = CYNew CYWord("try"); }
 816     | "typeof" { $$ = CYNew CYWord("typeof"); }
 817     | "var" { $$ = CYNew CYWord("var"); }
 818     | "void" { $$ = CYNew CYWord("void"); }
 819     | "while" { $$ = CYNew CYWord("while"); }
 820     | "with" { $$ = CYNew CYWord("with"); }
 821     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 822     ;
 823
 824 @begin ObjectiveC
 825 WordOpt
 826     : Word[pass] { $$ = $pass; }
 827     | { $$ = NULL; }
 828     ;
 829 @end
 830 /* }}} */
 831 /* 11.8.1 Null Literals {{{ */
 832 NullLiteral
 833     : "null" { $$ = CYNew CYNull(); }
 834     ;
 835 /* }}} */
 836 /* 11.8.2 Boolean Literals {{{ */
 837 BooleanLiteral
 838     : "true" { $$ = CYNew CYTrue(); }
 839     | "false" { $$ = CYNew CYFalse(); }
 840     ;
 841 /* }}} */
 842 /* 11.8.5 Regular Expression Literals {{{ */
 843 RegularExpressionSlash
 844     : "/" { $$ = false; }
 845     | "/=" { $$ = true; }
 846     ;
 847
 848 RegularExpressionLiteral
 849     : RegularExpressionSlash[equals] { CYMPT(@$); driver.SetRegEx($equals); } RegularExpressionLiteral_[pass] { $$ = $pass; }
 850     ;
 851 /* }}} */
 852
 853 /* 11.9 Automatic Semicolon Insertion {{{ */
 854 StrictSemi
 855     : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
 856     ;
 857
 858 NewLineNot
 859     : LexNewLineOrNot ""
 860     ;
 861
 862 NewLineOpt
 863     : LexNewLineOrNot "\n"
 864     | NewLineNot
 865     ;
 866
 867 TerminatorSoft
 868     : LexNewLineOrNot "\n" StrictSemi
 869     | NewLineNot LexOf Terminator
 870     ;
 871
 872 TerminatorHard
 873     : ";"
 874     | error { if (yyla.type_get() != yyeof_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 875     ;
 876
 877 Terminator
 878     : ";"
 879     | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !driver.newline_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 880     ;
 881
 882 TerminatorOpt
 883     : ";"
 884     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 885     ;
 886 /* }}} */
 887
 888 /* 12.1 Identifiers {{{ */
 889 IdentifierReference
 890     : Identifier[pass] { $$ = CYNew CYVariable($pass); }
 891     | "yield" { $$ = CYNew CYVariable(CYNew CYIdentifier("yield")); }
 892     ;
 893
 894 BindingIdentifier
 895     : LexOf IdentifierNoOf[pass] { $$ = $pass; }
 896     | LexOf "!of" { $$ = CYNew CYIdentifier("of"); }
 897     | LexOf "yield" { $$ = CYNew CYIdentifier("yield"); }
 898     ;
 899
 900 BindingIdentifierOpt
 901     : BindingIdentifier[pass] { $$ = $pass; }
 902     | LexOf { $$ = NULL; }
 903     ;
 904
 905 LabelIdentifier
 906     : Identifier[pass] { $$ = $pass; }
 907     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 908     ;
 909
 910 IdentifierTypeNoOf
 911     : Identifier_[pass] { $$ = $pass; }
 912     | "abstract" { $$ = CYNew CYIdentifier("abstract"); }
 913     | "await" { $$ = CYNew CYIdentifier("await"); }
 914     | "boolean" { $$ = CYNew CYIdentifier("boolean"); }
 915     | "byte" { $$ = CYNew CYIdentifier("byte"); }
 916     | "constructor" { $$ = CYNew CYIdentifier("constructor"); }
 917     | "double" { $$ = CYNew CYIdentifier("double"); }
 918     | "each" { $$ = CYNew CYIdentifier("each"); }
 919     | "eval" { $$ = CYNew CYIdentifier("eval"); }
 920     | "final" { $$ = CYNew CYIdentifier("final"); }
 921     | "float" { $$ = CYNew CYIdentifier("float"); }
 922     | "from" { $$ = CYNew CYIdentifier("from"); }
 923     | "get" { $$ = CYNew CYIdentifier("get"); }
 924     | "goto" { $$ = CYNew CYIdentifier("goto"); }
 925     | "implements" { $$ = CYNew CYIdentifier("implements"); }
 926     | "Infinity" { $$ = CYNew CYIdentifier("Infinity"); }
 927     | "interface" { $$ = CYNew CYIdentifier("interface"); }
 928     | "let" { $$ = CYNew CYIdentifier("let"); }
 929     | "!let" LexBind LexOf { $$ = CYNew CYIdentifier("let"); }
 930     | "native" { $$ = CYNew CYIdentifier("native"); }
 931     | "package" { $$ = CYNew CYIdentifier("package"); }
 932     | "private" { $$ = CYNew CYIdentifier("private"); }
 933     | "protected" { $$ = CYNew CYIdentifier("protected"); }
 934     | "__proto__" { $$ = CYNew CYIdentifier("__proto__"); }
 935     | "prototype" { $$ = CYNew CYIdentifier("prototype"); }
 936     | "public" { $$ = CYNew CYIdentifier("public"); }
 937     | "set" { $$ = CYNew CYIdentifier("set"); }
 938     | "synchronized" { $$ = CYNew CYIdentifier("synchronized"); }
 939     | "target" { $$ = CYNew CYIdentifier("target"); }
 940     | "throws" { $$ = CYNew CYIdentifier("throws"); }
 941     | "transient" { $$ = CYNew CYIdentifier("transient"); }
 942     | "undefined" { $$ = CYNew CYIdentifier("undefined"); }
 943 @begin ObjectiveC
 944     | "bool" { $$ = CYNew CYIdentifier("bool"); }
 945     | "BOOL" { $$ = CYNew CYIdentifier("BOOL"); }
 946     | "id" { $$ = CYNew CYIdentifier("id"); }
 947     | "SEL" { $$ = CYNew CYIdentifier("SEL"); }
 948 @end
 949     ;
 950
 951 IdentifierType
 952     : IdentifierTypeNoOf[pass] { $$ = $pass; }
 953     | "of" { $$ = CYNew CYIdentifier("of"); }
 954     ;
 955
 956 IdentifierTypeOpt
 957     : IdentifierType[pass] { $$ = $pass; }
 958     | { $$ = NULL; }
 959     ;
 960
 961 IdentifierNoOf
 962     : IdentifierTypeNoOf
 963     | "char" { $$ = CYNew CYIdentifier("char"); }
 964     | "int" { $$ = CYNew CYIdentifier("int"); }
 965     | "long" { $$ = CYNew CYIdentifier("long"); }
 966     | "short" { $$ = CYNew CYIdentifier("short"); }
 967     | "static" { $$ = CYNew CYIdentifier("static"); }
 968     | "volatile" { $$ = CYNew CYIdentifier("volatile"); }
 969 @begin C
 970     | "signed" { $$ = CYNew CYIdentifier("signed"); }
 971     | "struct" { $$ = CYNew CYIdentifier("struct"); }
 972     | "unsigned" { $$ = CYNew CYIdentifier("unsigned"); }
 973 @end
 974 @begin ObjectiveC
 975     | "nil" { $$ = CYNew CYIdentifier("nil"); }
 976     | "NO" { $$ = CYNew CYIdentifier("NO"); }
 977     | "NULL" { $$ = CYNew CYIdentifier("NULL"); }
 978     | "YES" { $$ = CYNew CYIdentifier("YES"); }
 979 @end
 980     ;
 981
 982 Identifier
 983     : IdentifierNoOf[pass] { $$ = $pass; }
 984     | "of" { $$ = CYNew CYIdentifier("of"); }
 985     | "!of" { $$ = CYNew CYIdentifier("of"); }
 986     ;
 987 /* }}} */
 988 /* 12.2 Primary Expression {{{ */
 989 PrimaryExpression
 990     : "this" { $$ = CYNew CYThis(); }
 991     | IdentifierReference[pass] { $$ = $pass; }
 992     | Literal[pass] { $$ = $pass; }
 993     | ArrayLiteral[pass] { $$ = $pass; }
 994     | ObjectLiteral[pass] { $$ = $pass; }
 995     | FunctionExpression[pass] { $$ = $pass; }
 996     | ClassExpression[pass] { $$ = $pass; }
 997     | GeneratorExpression[pass] { $$ = $pass; }
 998     | RegularExpressionLiteral[pass] { $$ = $pass; }
 999     | TemplateLiteral[pass] { $$ = $pass; }
1000     | CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) CYERR(@cover, "invalid parenthetical"); $$ = $cover; }
1001     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
1002     ;
1003
1004 CoverParenthesizedExpressionAndArrowParameterList
1005     : "(" Expression[expression] ")" { $$ = CYNew CYParenthetical($expression); }
1006     | "(" LexOf ")" { $$ = NULL; }
1007     | "(" LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1008     | "(" Expression "," LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1009     ;
1010 /* }}} */
1011 /* 12.2.4 Literals {{{ */
1012 Literal
1013     : NullLiteral[pass] { $$ = $pass; }
1014     | BooleanLiteral[pass] { $$ = $pass; }
1015     | NumericLiteral[pass] { $$ = $pass; }
1016     | StringLiteral[pass] { $$ = $pass; }
1017     ;
1018 /* }}} */
1019 /* 12.2.5 Array Initializer {{{ */
1020 ArrayLiteral
1021     : "[" ElementListOpt[elements] "]" { $$ = CYNew CYArray($elements); }
1022     ;
1023
1024 ElementList
1025     : AssignmentExpressionOpt[value] "," ElementListOpt[next] { $$ = CYNew CYElementValue($value, $next); }
1026     | LexOf "..." AssignmentExpression[values] { $$ = CYNew CYElementSpread($values); }
1027     | AssignmentExpression[value] { $$ = CYNew CYElementValue($value, NULL); }
1028     ;
1029
1030 ElementListOpt
1031     : ElementList[pass] { $$ = $pass; }
1032     | LexOf { $$ = NULL; }
1033     ;
1034 /* }}} */
1035 /* 12.2.6 Object Initializer {{{ */
1036 ObjectLiteral
1037     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYObject($properties); }
1038     ;
1039
1040 PropertyDefinitionList_
1041     : "," PropertyDefinitionListOpt[properties] { $$ = $properties; }
1042     | { $$ = NULL; }
1043     ;
1044
1045 PropertyDefinitionList
1046     : PropertyDefinition[property] PropertyDefinitionList_[next] { $property->SetNext($next); $$ = $property; }
1047     ;
1048
1049 PropertyDefinitionListOpt
1050     : PropertyDefinitionList[properties] { $$ = $properties; }
1051     | { $$ = NULL; }
1052     ;
1053
1054 PropertyDefinition
1055     : IdentifierReference[value] { $$ = CYNew CYPropertyValue($value->name_, $value); }
1056     | CoverInitializedName[name] { CYNOT(@$); }
1057     | PropertyName[name] ":" AssignmentExpression[value] { $$ = CYNew CYPropertyValue($name, $value); }
1058     | MethodDefinition[pass] { $$ = $pass; }
1059     ;
1060
1061 PropertyName
1062     : LiteralPropertyName[pass] { $$ = $pass; }
1063     | ComputedPropertyName[pass] { $$ = $pass; }
1064     ;
1065
1066 LiteralPropertyName
1067     : IdentifierName[pass] { $$ = $pass; }
1068     | StringLiteral[pass] { $$ = $pass; }
1069     | NumericLiteral[pass] { $$ = $pass; }
1070     ;
1071
1072 ComputedPropertyName
1073     : "[" AssignmentExpression[expression] "]" { $$ = CYNew CYComputed($expression); }
1074     ;
1075
1076 CoverInitializedName
1077     : IdentifierReference Initializer
1078     ;
1079
1080 Initializer
1081     : "=" AssignmentExpression[initializer] { $$ = $initializer; }
1082     ;
1083
1084 InitializerOpt
1085     : Initializer[pass] { $$ = $pass; }
1086     | { $$ = NULL; }
1087     ;
1088 /* }}} */
1089 /* 12.2.9 Template Literals {{{ */
1090 TemplateLiteral
1091     : NoSubstitutionTemplate[string] { $$ = CYNew CYTemplate($string, NULL); }
1092     | TemplateHead[string] LexPushInOff TemplateSpans[spans] { $$ = CYNew CYTemplate($string, $spans); }
1093     ;
1094
1095 TemplateSpans
1096     : Expression[value] TemplateMiddle[string] TemplateSpans[spans] { $$ = CYNew CYSpan($value, $string, $spans); }
1097     | Expression[value] TemplateTail[string] LexPopIn { $$ = CYNew CYSpan($value, $string, NULL); }
1098     ;
1099 /* }}} */
1100
1101 /* 12.3 Left-Hand-Side Expressions {{{ */
1102 MemberAccess
1103     : "[" Expression[property] "]" { $$ = CYNew CYDirectMember(NULL, $property); }
1104     | "." IdentifierName[property] { $$ = CYNew CYDirectMember(NULL, CYNew CYString($property)); }
1105     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
1106     | TemplateLiteral { CYNOT(@$); }
1107     ;
1108
1109 MemberExpression
1110     : PrimaryExpression[pass] { $$ = $pass; }
1111     | MemberExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1112     | SuperProperty[pass] { $$ = $pass; }
1113     | MetaProperty { CYNOT(@$); }
1114     | "new" MemberExpression[constructor] Arguments[arguments] { $$ = CYNew cy::Syntax::New($constructor, $arguments); }
1115     ;
1116
1117 SuperProperty
1118     : Super "[" Expression[property] "]" { $$ = CYNew CYSuperAccess($property); }
1119     | Super "." IdentifierName[property] { $$ = CYNew CYSuperAccess(CYNew CYString($property)); }
1120     ;
1121
1122 MetaProperty
1123     : NewTarget
1124     ;
1125
1126 NewTarget
1127     : "new" "." "target"
1128     ;
1129
1130 NewExpression
1131     : MemberExpression[pass] { $$ = $pass; }
1132     | "new" NewExpression[expression] { $$ = CYNew cy::Syntax::New($expression, NULL); }
1133     ;
1134
1135 CallExpression_
1136     : MemberExpression[pass] { $$ = $pass; }
1137     | CallExpression[pass] { $$ = $pass; }
1138     ;
1139
1140 CallExpression
1141     : CallExpression_[function] Arguments[arguments] { if (!$function->Eval()) $$ = CYNew CYCall($function, $arguments); else $$ = CYNew CYEval($arguments); }
1142     | SuperCall[pass] { $$ = $pass; }
1143     | CallExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1144     ;
1145
1146 SuperCall
1147     : Super Arguments[arguments] { $$ = CYNew CYSuperCall($arguments); }
1148     ;
1149
1150 Arguments
1151     : "(" ArgumentListOpt[arguments] ")" { $$ = $arguments; }
1152     ;
1153
1154 ArgumentList_
1155     : "," ArgumentList[arguments] { $$ = $arguments; }
1156     | { $$ = NULL; }
1157     ;
1158
1159 ArgumentList
1160     : AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
1161     | LexOf "..." AssignmentExpression { CYNOT(@$); }
1162     ;
1163
1164 ArgumentListOpt
1165     : ArgumentList[pass] { $$ = $pass; }
1166     | LexOf { $$ = NULL; }
1167     ;
1168
1169 AccessExpression
1170     : NewExpression[pass] { $$ = $pass; }
1171     | CallExpression[pass] { $$ = $pass; }
1172     ;
1173
1174 LeftHandSideExpression
1175     : RubyBlockExpression[pass] { $$ = $pass; }
1176     | IndirectExpression[pass] { $$ = $pass; }
1177     ;
1178 /* }}} */
1179 /* 12.4 Postfix Expressions {{{ */
1180 PostfixExpression
1181     : RubyBlockExpression[pass] { $$ = $pass; }
1182     | AccessExpression[lhs] LexNewLineOrOpt "++" { $$ = CYNew CYPostIncrement($lhs); }
1183     | AccessExpression[lhs] LexNewLineOrOpt "--" { $$ = CYNew CYPostDecrement($lhs); }
1184     ;
1185 /* }}} */
1186 /* 12.5 Unary Operators {{{ */
1187 UnaryExpression_
1188     : "delete" UnaryExpression[rhs] { $$ = CYNew CYDelete($rhs); }
1189     | "void" UnaryExpression[rhs] { $$ = CYNew CYVoid($rhs); }
1190     | "typeof" UnaryExpression[rhs] { $$ = CYNew CYTypeOf($rhs); }
1191     | "++" UnaryExpression[rhs] { $$ = CYNew CYPreIncrement($rhs); }
1192     | "--" UnaryExpression[rhs] { $$ = CYNew CYPreDecrement($rhs); }
1193     | "+" UnaryExpression[rhs] { $$ = CYNew CYAffirm($rhs); }
1194     | "-" UnaryExpression[rhs] { $$ = CYNew CYNegate($rhs); }
1195     | "~" UnaryExpression[rhs] { $$ = CYNew CYBitwiseNot($rhs); }
1196     | "!" UnaryExpression[rhs] { $$ = CYNew CYLogicalNot($rhs); }
1197     ;
1198
1199 UnaryExpression
1200     : PostfixExpression[expression] { $$ = $expression; }
1201     | UnaryExpression_[pass] { $$ = $pass; }
1202     ;
1203 /* }}} */
1204 /* 12.6 Multiplicative Operators {{{ */
1205 MultiplicativeExpression
1206     : UnaryExpression[pass] { $$ = $pass; }
1207     | MultiplicativeExpression[lhs] "*" UnaryExpression[rhs] { $$ = CYNew CYMultiply($lhs, $rhs); }
1208     | MultiplicativeExpression[lhs] "/" UnaryExpression[rhs] { $$ = CYNew CYDivide($lhs, $rhs); }
1209     | MultiplicativeExpression[lhs] "%" UnaryExpression[rhs] { $$ = CYNew CYModulus($lhs, $rhs); }
1210     ;
1211 /* }}} */
1212 /* 12.7 Additive Operators {{{ */
1213 AdditiveExpression
1214     : MultiplicativeExpression[pass] { $$ = $pass; }
1215     | AdditiveExpression[lhs] "+" MultiplicativeExpression[rhs] { $$ = CYNew CYAdd($lhs, $rhs); }
1216     | AdditiveExpression[lhs] "-" MultiplicativeExpression[rhs] { $$ = CYNew CYSubtract($lhs, $rhs); }
1217     ;
1218 /* }}} */
1219 /* 12.8 Bitwise Shift Operators {{{ */
1220 ShiftExpression
1221     : AdditiveExpression[pass] { $$ = $pass; }
1222     | ShiftExpression[lhs] "<<" AdditiveExpression[rhs] { $$ = CYNew CYShiftLeft($lhs, $rhs); }
1223     | ShiftExpression[lhs] ">>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightSigned($lhs, $rhs); }
1224     | ShiftExpression[lhs] ">>>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightUnsigned($lhs, $rhs); }
1225     ;
1226 /* }}} */
1227 /* 12.9 Relational Operators {{{ */
1228 RelationalExpression
1229     : ShiftExpression[pass] { $$ = $pass; }
1230     | RelationalExpression[lhs] "<" ShiftExpression[rhs] { $$ = CYNew CYLess($lhs, $rhs); }
1231     | RelationalExpression[lhs] ">" ShiftExpression[rhs] { $$ = CYNew CYGreater($lhs, $rhs); }
1232     | RelationalExpression[lhs] "<=" ShiftExpression[rhs] { $$ = CYNew CYLessOrEqual($lhs, $rhs); }
1233     | RelationalExpression[lhs] ">=" ShiftExpression[rhs] { $$ = CYNew CYGreaterOrEqual($lhs, $rhs); }
1234     | RelationalExpression[lhs] "instanceof" ShiftExpression[rhs] { $$ = CYNew CYInstanceOf($lhs, $rhs); }
1235     | RelationalExpression[lhs] "in" ShiftExpression[rhs] { $$ = CYNew CYIn($lhs, $rhs); }
1236     ;
1237 /* }}} */
1238 /* 12.10 Equality Operators {{{ */
1239 EqualityExpression
1240     : RelationalExpression[pass] { $$ = $pass; }
1241     | EqualityExpression[lhs] "==" RelationalExpression[rhs] { $$ = CYNew CYEqual($lhs, $rhs); }
1242     | EqualityExpression[lhs] "!=" RelationalExpression[rhs] { $$ = CYNew CYNotEqual($lhs, $rhs); }
1243     | EqualityExpression[lhs] "===" RelationalExpression[rhs] { $$ = CYNew CYIdentical($lhs, $rhs); }
1244     | EqualityExpression[lhs] "!==" RelationalExpression[rhs] { $$ = CYNew CYNotIdentical($lhs, $rhs); }
1245     ;
1246 /* }}} */
1247 /* 12.11 Binary Bitwise Operators {{{ */
1248 BitwiseANDExpression
1249     : EqualityExpression[pass] { $$ = $pass; }
1250     | BitwiseANDExpression[lhs] "&" EqualityExpression[rhs] { $$ = CYNew CYBitwiseAnd($lhs, $rhs); }
1251     ;
1252
1253 BitwiseXORExpression
1254     : BitwiseANDExpression[pass] { $$ = $pass; }
1255     | BitwiseXORExpression[lhs] "^" BitwiseANDExpression[rhs] { $$ = CYNew CYBitwiseXOr($lhs, $rhs); }
1256     ;
1257
1258 BitwiseORExpression
1259     : BitwiseXORExpression[pass] { $$ = $pass; }
1260     | BitwiseORExpression[lhs] "|" BitwiseXORExpression[rhs] { $$ = CYNew CYBitwiseOr($lhs, $rhs); }
1261     ;
1262 /* }}} */
1263 /* 12.12 Binary Logical Operators {{{ */
1264 LogicalANDExpression
1265     : BitwiseORExpression[pass] { $$ = $pass; }
1266     | LogicalANDExpression[lhs] "&&" BitwiseORExpression[rhs] { $$ = CYNew CYLogicalAnd($lhs, $rhs); }
1267     ;
1268
1269 LogicalORExpression
1270     : LogicalANDExpression[pass] { $$ = $pass; }
1271     | LogicalORExpression[lhs] "||" LogicalANDExpression[rhs] { $$ = CYNew CYLogicalOr($lhs, $rhs); }
1272     ;
1273 /* }}} */
1274 /* 12.13 Conditional Operator ( ? : ) {{{ */
1275 @begin ObjectiveC
1276 ConditionalExpressionClassic
1277     : LogicalORExpression[pass] { $$ = $pass; }
1278     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpressionClassic[false] { $$ = CYNew CYCondition($test, $true, $false); }
1279     ;
1280 @end
1281
1282 ConditionalExpression
1283     : LogicalORExpression[pass] { $$ = $pass; }
1284     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpression[false] { $$ = CYNew CYCondition($test, $true, $false); }
1285     ;
1286 /* }}} */
1287 /* 12.14 Assignment Operators {{{ */
1288 LeftHandSideAssignment
1289     : LeftHandSideExpression[lhs] "=" { $$ = CYNew CYAssign($lhs, NULL); }
1290     | LeftHandSideExpression[lhs] "*=" { $$ = CYNew CYMultiplyAssign($lhs, NULL); }
1291     | LeftHandSideExpression[lhs] "/=" { $$ = CYNew CYDivideAssign($lhs, NULL); }
1292     | LeftHandSideExpression[lhs] "%=" { $$ = CYNew CYModulusAssign($lhs, NULL); }
1293     | LeftHandSideExpression[lhs] "+=" { $$ = CYNew CYAddAssign($lhs, NULL); }
1294     | LeftHandSideExpression[lhs] "-=" { $$ = CYNew CYSubtractAssign($lhs, NULL); }
1295     | LeftHandSideExpression[lhs] "<<=" { $$ = CYNew CYShiftLeftAssign($lhs, NULL); }
1296     | LeftHandSideExpression[lhs] ">>=" { $$ = CYNew CYShiftRightSignedAssign($lhs, NULL); }
1297     | LeftHandSideExpression[lhs] ">>>=" { $$ = CYNew CYShiftRightUnsignedAssign($lhs, NULL); }
1298     | LeftHandSideExpression[lhs] "&=" { $$ = CYNew CYBitwiseAndAssign($lhs, NULL); }
1299     | LeftHandSideExpression[lhs] "^=" { $$ = CYNew CYBitwiseXOrAssign($lhs, NULL); }
1300     | LeftHandSideExpression[lhs] "|=" { $$ = CYNew CYBitwiseOrAssign($lhs, NULL); }
1301     ;
1302
1303 @begin ObjectiveC
1304 AssignmentExpressionClassic
1305     : LexOf ConditionalExpressionClassic[pass] { $$ = $pass; }
1306     | LexOf LeftHandSideAssignment[assignment] AssignmentExpressionClassic[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1307     ;
1308 @end
1309
1310 AssignmentExpression
1311     : LexOf ConditionalExpression[pass] { $$ = $pass; }
1312     | LexOf YieldExpression[pass] { $$ = $pass; }
1313     | ArrowFunction[pass] { $$ = $pass; }
1314     | LexOf LeftHandSideAssignment[assignment] AssignmentExpression[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1315     ;
1316
1317 AssignmentExpressionOpt
1318     : AssignmentExpression[pass] { $$ = $pass; }
1319     | LexOf { $$ = NULL; }
1320     ;
1321 /* }}} */
1322 /* 12.15 Comma Operator ( , ) {{{ */
1323 Expression
1324     : AssignmentExpression[pass] { $$ = $pass; }
1325     | Expression[expression] "," AssignmentExpression[next] { $$ = CYNew CYCompound($expression, $next); }
1326     ;
1327
1328 ExpressionOpt
1329     : Expression[pass] { $$ = $pass; }
1330     | LexOf { $$ = NULL; }
1331     ;
1332 /* }}} */
1333
1334 /* 13 Statements and Declarations {{{ */
1335 Statement__
1336     : BlockStatement[pass] { $$ = $pass; }
1337     | VariableStatement[pass] { $$ = $pass; }
1338     | EmptyStatement[pass] { $$ = $pass; }
1339     | IfStatement[pass] { $$ = $pass; }
1340     | BreakableStatement[pass] { $$ = $pass; }
1341     | ContinueStatement[pass] { $$ = $pass; }
1342     | BreakStatement[pass] { $$ = $pass; }
1343     | ReturnStatement[pass] { $$ = $pass; }
1344     | WithStatement[pass] { $$ = $pass; }
1345     | LabelledStatement[pass] { $$ = $pass; }
1346     | ThrowStatement[pass] { $$ = $pass; }
1347     | TryStatement[pass] { $$ = $pass; }
1348     | DebuggerStatement[pass] { $$ = $pass; }
1349     ;
1350
1351 Statement_
1352     : LexOf Statement__[pass] { $$ = $pass; }
1353     | ExpressionStatement[pass] { $$ = $pass; }
1354     ;
1355
1356 Statement
1357     : LexSetStatement LexLet Statement_[pass] { $$ = $pass; }
1358     ;
1359
1360 Declaration_
1361     : HoistableDeclaration[pass] { $$ = $pass; }
1362     | ClassDeclaration[pass] { $$ = $pass; }
1363     ;
1364
1365 Declaration
1366     : LexSetStatement LexLet LexOf Declaration_[pass] { $$ = $pass; }
1367     | LexSetStatement LexicalDeclaration[pass] { $$ = $pass; }
1368     ;
1369
1370 HoistableDeclaration
1371     : FunctionDeclaration[pass] { $$ = $pass; }
1372     | GeneratorDeclaration[pass] { $$ = $pass; }
1373     ;
1374
1375 BreakableStatement
1376     : IterationStatement[pass] { $$ = $pass; }
1377     | SwitchStatement[pass] { $$ = $pass; }
1378     ;
1379 /* }}} */
1380 /* 13.2 Block {{{ */
1381 BlockStatement
1382     : ";{" StatementListOpt[code] "}" { $$ = CYNew CYBlock($code); }
1383     ;
1384
1385 Block
1386     : "{" StatementListOpt[code] "}" { $$ = $code; }
1387     ;
1388
1389 StatementList
1390     : StatementListItem[statement] StatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1391     ;
1392
1393 StatementListOpt
1394     : StatementList[pass] { $$ = $pass; }
1395     | LexSetStatement LexLet LexOf { $$ = NULL; }
1396     ;
1397
1398 StatementListItem
1399     : Statement[pass] { $$ = $pass; }
1400     | Declaration[pass] { $$ = $pass; }
1401     ;
1402 /* }}} */
1403 /* 13.3 Let and Const Declarations {{{ */
1404 LexicalDeclaration_
1405     : LetOrConst[constant] BindingList[bindings] { $$ = CYNew CYLexical($constant, $bindings); }
1406     ;
1407
1408 LexicalDeclaration
1409     : LexicalDeclaration_[statement] Terminator { $$ = $statement; }
1410     ;
1411
1412 LexLet
1413     : { CYMAP(_let__, _let_); }
1414     ;
1415
1416 LexOf
1417     : { CYMAP(_of__, _of_); }
1418     ;
1419
1420 LexBind
1421     : { CYMAP(OpenBrace_let, OpenBrace); CYMAP(OpenBracket_let, OpenBracket); }
1422     ;
1423
1424 LetOrConst
1425     : LexLet LexOf "!let" LexBind LexOf { $$ = false; }
1426     | LexLet LexOf "const" { $$ = true; }
1427     ;
1428
1429 BindingList_
1430     : "," LexBind BindingList[bindings] { $$ = $bindings; }
1431     | { $$ = NULL; }
1432     ;
1433
1434 BindingList
1435     : LexicalBinding[binding] BindingList_[next] { $$ = CYNew CYBindings($binding, $next); }
1436     ;
1437
1438 LexicalBinding
1439     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1440     | LexOf BindingPattern Initializer { CYNOT(@$); }
1441     ;
1442 /* }}} */
1443 /* 13.3.2 Variable Statement {{{ */
1444 VariableStatement_
1445     : Var_ VariableDeclarationList[bindings] { $$ = CYNew CYVar($bindings); }
1446     ;
1447
1448 VariableStatement
1449     : VariableStatement_[statement] Terminator { $$ = $statement; }
1450     ;
1451
1452 VariableDeclarationList_
1453     : "," VariableDeclarationList[bindings] { $$ = $bindings; }
1454     | { $$ = NULL; }
1455     ;
1456
1457 VariableDeclarationList
1458     : LexBind VariableDeclaration[binding] VariableDeclarationList_[next] { $$ = CYNew CYBindings($binding, $next); }
1459     ;
1460
1461 VariableDeclaration
1462     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1463     | LexOf BindingPattern Initializer { CYNOT(@$); }
1464     ;
1465 /* }}} */
1466 /* 13.3.3 Destructuring Binding Patterns {{{ */
1467 BindingPattern
1468     : ObjectBindingPattern
1469     | ArrayBindingPattern
1470     ;
1471
1472 ObjectBindingPattern
1473     : "let {" BindingPropertyListOpt "}"
1474     ;
1475
1476 ArrayBindingPattern
1477     : "let [" BindingElementListOpt "]"
1478     ;
1479
1480 BindingPropertyList_
1481     : "," BindingPropertyListOpt
1482     |
1483     ;
1484
1485 BindingPropertyList
1486     : BindingProperty BindingPropertyList_
1487     ;
1488
1489 BindingPropertyListOpt
1490     : BindingPropertyList
1491     | LexOf
1492     ;
1493
1494 BindingElementList
1495     : BindingElementOpt[element] "," BindingElementListOpt[next]
1496     | BindingRestElement[element]
1497     | BindingElement[element]
1498     ;
1499
1500 BindingElementListOpt
1501     : BindingElementList[pass]
1502     | LexBind LexOf
1503     ;
1504
1505 BindingProperty
1506     : SingleNameBinding
1507     | LexOf PropertyName ":" BindingElement
1508     ;
1509
1510 BindingElement
1511     : LexBind SingleNameBinding[pass] { $$ = $pass; }
1512     | LexBind LexOf BindingPattern InitializerOpt[initializer] { CYNOT(@$); }
1513     ;
1514
1515 BindingElementOpt
1516     : BindingElement[pass]
1517     | LexBind LexOf
1518     ;
1519
1520 SingleNameBinding
1521     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1522     ;
1523
1524 BindingRestElement
1525     : LexBind LexOf "..." BindingIdentifier
1526     ;
1527 /* }}} */
1528 /* 13.4 Empty Statement {{{ */
1529 EmptyStatement
1530     : ";" { $$ = CYNew CYEmpty(); }
1531     ;
1532 /* }}} */
1533 /* 13.5 Expression Statement {{{ */
1534 ExpressionStatement_
1535     : Expression[expression] { $$ = CYNew CYExpress($[expression]); }
1536
1537 ExpressionStatement
1538     : ExpressionStatement_[statement] Terminator { $$ = $statement; }
1539     ;
1540 /* }}} */
1541 /* 13.6 The if Statement {{{ */
1542 ElseStatementOpt
1543     : "else" Statement[false] { $$ = $false; }
1544     | %prec "if" { $$ = NULL; }
1545     ;
1546
1547 IfStatement
1548     : "if" "(" Expression[test] ")" Statement[true] ElseStatementOpt[false] { $$ = CYNew CYIf($test, $true, $false); }
1549     ;
1550 /* }}} */
1551 /* 13.7 Iteration Statements {{{ */
1552 IterationStatement
1553     : "do" Statement[code] "while" "(" Expression[test] ")" TerminatorOpt { $$ = CYNew CYDoWhile($test, $code); }
1554     | "while" "(" Expression[test] ")" Statement[code] { $$ = CYNew CYWhile($test, $code); }
1555     | "for" "(" LexPushInOn ForStatementInitializer[initializer] LexPopIn ExpressionOpt[test] ";" ExpressionOpt[increment] ")" Statement[code] { $$ = CYNew CYFor($initializer, $test, $increment, $code); }
1556     | "for" "(" LexPushInOn LexLet LexOf Var_ LexBind BindingIdentifier[identifier] Initializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForInitialized(CYNew CYBinding($identifier, $initializer), $iterable, $code); }
1557     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForIn($initializer, $iterable, $code); }
1558     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "of" LexPopIn AssignmentExpression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
1559     ;
1560
1561 ForStatementInitializer
1562     : LexLet LexOf EmptyStatement[pass] { $$ = $pass; }
1563     | LexLet ExpressionStatement_[initializer] ";" { $$ = $initializer; }
1564     | LexLet LexOf VariableStatement_[initializer] ";" { $$ = $initializer; }
1565     | LexicalDeclaration_[initializer] ";" { $$ = $initializer; }
1566     ;
1567
1568 ForInStatementInitializer
1569     : LexLet LexOf RubyBlockExpression[pass] { $$ = $pass; }
1570     | LexLet LexOf IndirectExpression[pass] { $$ = $pass; }
1571     | LexLet LexOf Var_ LexBind ForBinding[binding] { $$ = CYNew CYForVariable($binding); }
1572     | ForDeclaration[pass] { $$ = $pass; }
1573     ;
1574
1575 ForDeclaration
1576     : LetOrConst[constant] ForBinding[binding] { $$ = CYNew CYForLexical($constant, $binding); }
1577     ;
1578
1579 ForBinding
1580     : BindingIdentifier[identifier] { $$ = CYNew CYBinding($identifier, NULL); }
1581     | LexOf BindingPattern { CYNOT(@$); }
1582     ;
1583 /* }}} */
1584 /* 13.8 The continue Statement {{{ */
1585 ContinueStatement
1586     : "continue" TerminatorSoft { $$ = CYNew CYContinue(NULL); }
1587     | "continue" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYContinue($label); }
1588     ;
1589 /* }}} */
1590 /* 13.9 The break Statement {{{ */
1591 BreakStatement
1592     : "break" TerminatorSoft { $$ = CYNew CYBreak(NULL); }
1593     | "break" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYBreak($label); }
1594     ;
1595 /* }}} */
1596 /* 13.10 The return Statement {{{ */
1597 ReturnStatement
1598     : Return TerminatorSoft { $$ = CYNew CYReturn(NULL); }
1599     | Return NewLineNot Expression[value] Terminator { $$ = CYNew CYReturn($value); }
1600     ;
1601 /* }}} */
1602 /* 13.11 The with Statement {{{ */
1603 WithStatement
1604     : "with" "(" Expression[scope] ")" Statement[code] { $$ = CYNew CYWith($scope, $code); }
1605     ;
1606 /* }}} */
1607 /* 13.12 The switch Statement {{{ */
1608 SwitchStatement
1609     : "switch" "(" Expression[value] ")" CaseBlock[clauses] { $$ = CYNew CYSwitch($value, $clauses); }
1610     ;
1611
1612 CaseBlock
1613     : "{" CaseClausesOpt[clauses] "}" { $$ = $clauses; }
1614     ;
1615
1616 CaseClause
1617     : "case" Expression[value] ":" StatementListOpt[code] { $$ = CYNew CYClause($value, $code); }
1618     ;
1619
1620 CaseClausesOpt
1621     : CaseClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1622     | DefaultClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1623     | { $$ = NULL; }
1624     ;
1625
1626 // XXX: the standard makes certain you can only have one of these
1627 DefaultClause
1628     : "default" ":" StatementListOpt[code] { $$ = CYNew CYClause(NULL, $code); }
1629     ;
1630 /* }}} */
1631 /* 13.13 Labelled Statements {{{ */
1632 LabelledStatement
1633     : LabelIdentifier[name] ":" LabelledItem[statement] { $$ = CYNew CYLabel($name, $statement); }
1634     ;
1635
1636 LabelledItem
1637     : Statement[pass] { $$ = $pass; }
1638     | LexSetStatement LexLet LexOf FunctionDeclaration[pass] { $$ = $pass; }
1639     ;
1640 /* }}} */
1641 /* 13.14 The throw Statement {{{ */
1642 ThrowStatement
1643     : "throw"[throw] TerminatorSoft { CYERR(@throw, "throw without exception"); }
1644     | "throw" NewLineNot Expression[value] Terminator { $$ = CYNew cy::Syntax::Throw($value); }
1645     ;
1646 /* }}} */
1647 /* 13.15 The try Statement {{{ */
1648 TryStatement
1649     : "try" Block[code] Catch[catch] { $$ = CYNew cy::Syntax::Try($code, $catch, NULL); }
1650     | "try" Block[code] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, NULL, $finally); }
1651     | "try" Block[code] Catch[catch] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, $catch, $finally); }
1652     ;
1653
1654 Catch
1655     : "catch" "(" LexBind CatchParameter[name] ")" Block[code] { $$ = CYNew cy::Syntax::Catch($name, $code); }
1656     ;
1657
1658 Finally
1659     : "finally" Block[code] { $$ = CYNew CYFinally($code); }
1660     ;
1661
1662 CatchParameter
1663     : BindingIdentifier[pass] { $$ = $pass; }
1664     | LexOf BindingPattern { CYNOT(@$); }
1665     ;
1666 /* }}} */
1667 /* 13.16 The debugger Statement {{{ */
1668 DebuggerStatement
1669     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1670     ;
1671 /* }}} */
1672
1673 /* 14.1 Function Definitions {{{ */
1674 FunctionDeclaration
1675     : ";function" BindingIdentifier[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionStatement($name, $parameters, $code); }
1676     ;
1677
1678 FunctionExpression
1679     : "function" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionExpression($name, $parameters, $code); }
1680     ;
1681
1682 StrictFormalParameters
1683     : FormalParameters[pass] { $$ = $pass; }
1684     ;
1685
1686 FormalParameters
1687     : LexBind LexOf { $$ = NULL; }
1688     | FormalParameterList
1689     ;
1690
1691 FormalParameterList_
1692     : "," FormalParameterList[parameters] { $$ = $parameters; }
1693     | { $$ = NULL; }
1694     ;
1695
1696 FormalParameterList
1697     : FunctionRestParameter { CYNOT(@$); }
1698     | FormalParameter[binding] FormalParameterList_[next] { $$ = CYNew CYFunctionParameter($binding, $next); }
1699     ;
1700
1701 FunctionRestParameter
1702     : BindingRestElement
1703     ;
1704
1705 FormalParameter
1706     : BindingElement[pass] { $$ = $pass; }
1707     ;
1708
1709 FunctionBody
1710     : LexPushYieldOff FunctionStatementList[code] LexPopYield { $$ = $code; }
1711     ;
1712
1713 FunctionStatementList
1714     : LexPushReturnOn StatementListOpt[code] LexPopReturn { $$ = $code; }
1715     ;
1716 /* }}} */
1717 /* 14.2 Arrow Function Definitions {{{ */
1718 ArrowFunction
1719     : ArrowParameters[parameters] LexNewLineOrOpt "=>" LexNoBrace ConciseBody[code] { $$ = CYNew CYFatArrow($parameters, $code); }
1720     ;
1721
1722 ArrowParameters
1723     : BindingIdentifier[identifier] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier)); }
1724     | LexOf CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) $$ = NULL; else { $$ = $cover->expression_->Parameter(); if ($$ == NULL) CYERR(@cover, "invalid parameter list"); } }
1725     ;
1726
1727 ConciseBody
1728     : AssignmentExpression[expression] { $$ = CYNew CYReturn($expression); }
1729     | LexOf ";{" FunctionBody[code] "}" { $$ = $code; }
1730     ;
1731 /* }}} */
1732 /* 14.3 Method Definitions {{{ */
1733 MethodDefinition
1734     : PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyMethod($name, $parameters, $code); }
1735     | GeneratorMethod[pass] { $$ = $pass; }
1736     | "get" PropertyName[name] "(" ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyGetter($name, $code); }
1737     | "set" PropertyName[name] "(" PropertySetParameterList[parameter] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertySetter($name, $parameter, $code); }
1738     ;
1739
1740 PropertySetParameterList
1741     : FormalParameter[binding] { $$ = CYNew CYFunctionParameter($binding); }
1742     ;
1743 /* }}} */
1744 /* 14.4 Generator Function Definitions {{{ */
1745 GeneratorMethod
1746     : "*" PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorMethod($name, $parameters, $code); */ }
1747     ;
1748
1749 GeneratorDeclaration
1750     : ";function" LexOf "*" BindingIdentifier[name] "(" FormalParameters[code] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorStatement($name, $parameters, $code); */ }
1751     ;
1752
1753 GeneratorExpression
1754     : "function" LexOf "*" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorExpression($name, $parameters, $code); */ }
1755     ;
1756
1757 GeneratorBody
1758     : LexPushYieldOn FunctionStatementList[code] LexPopYield { $$ = $code; }
1759     ;
1760
1761 YieldExpression
1762     : "!yield" LexNewLineOrNot "\n" LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ }
1763     | "!yield" LexNewLineOrNot "" LexNoStar LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ }
1764     | "!yield" LexNewLineOrNot "" LexNoStar AssignmentExpression[value] { CYNOT(@$); /* $$ = CYNew CYYieldValue($value); */ }
1765     | "!yield" LexNewLineOrNot "" LexNoStar LexOf "yield *" AssignmentExpression[generator] { CYNOT(@$); /* $$ = CYNew CYYieldGenerator($generator); */ }
1766     ;
1767 /* }}} */
1768 /* 14.5 Class Definitions {{{ */
1769 ClassDeclaration
1770     : ";class" BindingIdentifier[name] ClassTail[tail] { $$ = CYNew CYClassStatement($name, $tail); }
1771     ;
1772
1773 ClassExpression
1774     : "class" BindingIdentifierOpt[name] ClassTail[tail] { $$ = CYNew CYClassExpression($name, $tail); }
1775     ;
1776
1777 ClassTail
1778     : ClassHeritageOpt[tail] { driver.class_.push($tail); } "{" LexPushSuperOn ClassBodyOpt "}" LexPopSuper { driver.class_.pop(); $$ = $tail; }
1779     ;
1780
1781 ClassHeritage
1782     : "extends" AccessExpression[extends] { $$ = CYNew CYClassTail($extends); }
1783     ;
1784
1785 ClassHeritageOpt
1786     : ClassHeritage[pass] { $$ = $pass; }
1787     | { $$ = CYNew CYClassTail(NULL); }
1788     ;
1789
1790 ClassBody
1791     : ClassElementList
1792     ;
1793
1794 ClassBodyOpt
1795     : ClassBody
1796     |
1797     ;
1798
1799 ClassElementList
1800     : ClassElementListOpt ClassElement
1801     ;
1802
1803 ClassElementListOpt
1804     : ClassElementList
1805     |
1806     ;
1807
1808 ClassElement
1809     : MethodDefinition[method] { if (CYFunctionExpression *constructor = $method->Constructor()) driver.class_.top()->constructor_ = constructor; else driver.class_.top()->instance_->*$method; }
1810     | "static" MethodDefinition[method] { driver.class_.top()->static_->*$method; }
1811     | ";"
1812     ;
1813 /* }}} */
1814
1815 /* 15.1 Scripts {{{ */
1816 Script
1817     : ScriptBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1818     ;
1819
1820 ScriptBody
1821     : StatementList[pass] { $$ = $pass; }
1822     ;
1823
1824 ScriptBodyOpt
1825     : ScriptBody[pass] { $$ = $pass; }
1826     | LexSetStatement LexLet LexOf { $$ = NULL; }
1827     ;
1828 /* }}} */
1829 /* 15.2 Modules {{{ */
1830 Module
1831     : ModuleBodyOpt
1832     ;
1833
1834 ModuleBody
1835     : ModuleItemList
1836     ;
1837
1838 ModuleBodyOpt
1839     : ModuleBody
1840     |
1841     ;
1842
1843 ModuleItemList
1844     : ModuleItemListOpt ModuleItem
1845     ;
1846
1847 ModuleItemListOpt
1848     : ModuleItemList
1849     |
1850     ;
1851
1852 ModuleItem
1853     : LexSetStatement LexLet LexOf ImportDeclaration
1854     | LexSetStatement LexLet LexOf ExportDeclaration
1855     | StatementListItem
1856     ;
1857 /* }}} */
1858 /* 15.2.2 Imports {{{ */
1859 ImportDeclaration
1860     : "import" ImportClause FromClause Terminator
1861     | "import" LexOf ModuleSpecifier Terminator
1862     ;
1863
1864 ImportClause
1865     : ImportedDefaultBinding
1866     | LexOf NameSpaceImport
1867     | LexOf NamedImports
1868     | ImportedDefaultBinding "," NameSpaceImport
1869     | ImportedDefaultBinding "," NamedImports
1870     ;
1871
1872 ImportedDefaultBinding
1873     : ImportedBinding
1874     ;
1875
1876 NameSpaceImport
1877     : "*" "as" ImportedBinding
1878     ;
1879
1880 NamedImports
1881     : "{" ImportsListOpt "}"
1882     ;
1883
1884 FromClause
1885     : "from" ModuleSpecifier
1886     ;
1887
1888 ImportsList_
1889     : "," ImportsListOpt
1890     |
1891     ;
1892
1893 ImportsList
1894     : ImportSpecifier ImportsList_
1895     ;
1896
1897 ImportsListOpt
1898     : ImportsList
1899     | LexOf
1900     ;
1901
1902 ImportSpecifier
1903     : ImportedBinding
1904     | LexOf IdentifierName "as" ImportedBinding
1905     ;
1906
1907 ModuleSpecifier
1908     : StringLiteral
1909     ;
1910
1911 ImportedBinding
1912     : BindingIdentifier
1913     ;
1914 /* }}} */
1915 /* 15.2.3 Exports {{{ */
1916 ExportDeclaration_
1917     : "*" FromClause Terminator
1918     | ExportClause FromClause Terminator
1919     | ExportClause Terminator
1920     | VariableStatement
1921     | "default" LexSetStatement LexOf HoistableDeclaration
1922     | "default" LexSetStatement LexOf ClassDeclaration
1923     | "default" LexSetStatement AssignmentExpression Terminator
1924     ;
1925
1926 ExportDeclaration
1927     : "export" LexSetStatement LexLet LexOf ExportDeclaration_
1928     | "export" Declaration
1929     ;
1930
1931 ExportClause
1932     : ";{" ExportsListOpt "}"
1933     ;
1934
1935 ExportsList_
1936     : "," ExportsListOpt
1937     |
1938     ;
1939
1940 ExportsList
1941     : ExportSpecifier ExportsList_
1942     ;
1943
1944 ExportsListOpt
1945     : ExportsList
1946     |
1947     ;
1948
1949 ExportSpecifier
1950     : IdentifierName
1951     | IdentifierName "as" IdentifierName
1952     ;
1953 /* }}} */
1954
1955 @begin C
1956 /* Cycript (C): Type Encoding {{{ */
1957 TypeSignifier
1958     : IdentifierType[identifier] { $$ = CYNew CYTypedIdentifier(@identifier, $identifier); }
1959     | "(" "*" TypeQualifierRightOpt[typed] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
1960     ;
1961
1962 TypeSignifierOpt
1963     : TypeSignifier[pass] { $$ = $pass; }
1964     | { $$ = CYNew CYTypedIdentifier(@$); }
1965     ;
1966
1967 SuffixedType
1968     : SuffixedTypeOpt[typed] "[" NumericLiteral[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
1969     | "(" "^" TypeQualifierRightOpt[typed] ")" "(" TypedParameterListOpt[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeBlockWith($parameters, $$->modifier_); }
1970     | TypeSignifier[typed] "(" TypedParameterListOpt[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeFunctionWith($parameters, $$->modifier_); }
1971     | "("[parenthesis] TypedParameterListOpt[parameters] ")" { $$ = CYNew CYTypedIdentifier(@parenthesis); $$->modifier_ = CYNew CYTypeFunctionWith($parameters, $$->modifier_); }
1972     ;
1973
1974 SuffixedTypeOpt
1975     : SuffixedType[pass] { $$ = $pass; }
1976     | TypeSignifierOpt[pass] { $$ = $pass; }
1977     ;
1978
1979 PrefixedType
1980     : "*" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
1981     ;
1982
1983 TypeQualifierLeft
1984     : "const" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeConstant(); }
1985     | "volatile" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeVolatile(); }
1986     ;
1987
1988 TypeQualifierLeftOpt
1989     : TypeQualifierLeft[pass] { $$ = $pass; }
1990     | { $$ = NULL; }
1991     ;
1992
1993 TypeQualifierRight
1994     : SuffixedType[pass] { $$ = $pass; }
1995     | PrefixedType[pass] { $$ = $pass; }
1996     | "const" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
1997     | "volatile" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
1998     ;
1999
2000 TypeQualifierRightOpt
2001     : TypeQualifierRight[pass] { $$ = $pass; }
2002     | TypeSignifierOpt[pass] { $$ = $pass; }
2003     ;
2004
2005 IntegerType
2006     : "int" { $$ = CYNew CYTypeVariable("int"); }
2007     | "unsigned" IntegerTypeOpt[specifier] { $$ = CYNew CYTypeUnsigned($specifier); }
2008     | "signed" IntegerTypeOpt[specifier] { $$ = CYNew CYTypeSigned($specifier); }
2009     | "long" IntegerTypeOpt[specifier] { $$ = CYNew CYTypeLong($specifier); }
2010     | "short" IntegerTypeOpt[specifier] { $$ = CYNew CYTypeShort($specifier); }
2011     ;
2012
2013 IntegerTypeOpt
2014     : IntegerType[pass] { $$ = $pass; }
2015     | { $$ = CYNew CYTypeVariable("int"); }
2016     ;
2017
2018 StructFieldListOpt
2019     : TypedIdentifierMaybe[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $next); }
2020     | { $$ = NULL; }
2021     ;
2022
2023 PrimitiveType
2024     : IdentifierType[name] { $$ = CYNew CYTypeVariable($name); }
2025     | IntegerType[pass] { $$ = $pass; }
2026     | "char" { $$ = CYNew CYTypeVariable("char"); }
2027     | "signed" "char" { $$ = CYNew CYTypeSigned(CYNew CYTypeVariable("char")); }
2028     | "unsigned" "char" { $$ = CYNew CYTypeUnsigned(CYNew CYTypeVariable("char")); }
2029     | "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" { $$ = CYNew CYTypeStruct($name, $fields); }
2030     ;
2031
2032 TypedIdentifierMaybe
2033     : TypeQualifierLeftOpt[modifier] PrimitiveType[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2034     | TypeQualifierLeft[modifier] "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2035     | "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
2036     ;
2037
2038 TypedIdentifierYes
2039     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
2040     ;
2041
2042 TypedIdentifierNo
2043     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
2044     ;
2045
2046 PrimaryExpression
2047     : "@encode" "(" TypedIdentifierMaybe[typed] ")" { $$ = CYNew CYEncodedType($typed); }
2048     ;
2049 /* }}} */
2050 @end
2051
2052 @begin ObjectiveC
2053 /* Cycript (Objective-C): @class Declaration {{{ */
2054 ClassSuperOpt
2055     /* XXX: why the hell did I choose MemberExpression? */
2056     : ":" MemberExpression[extends] { $$ = $extends; }
2057     | { $$ = NULL; }
2058     ;
2059
2060 ImplementationFieldListOpt
2061     : TypedIdentifierMaybe[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $next); }
2062     | { $$ = NULL; }
2063     ;
2064
2065 MessageScope
2066     : "+" { $$ = false; }
2067     | "-" { $$ = true; }
2068     ;
2069
2070 TypeOpt
2071     : "(" TypedIdentifierNo[type] ")" { $$ = $type; }
2072     | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); }
2073     ;
2074
2075 MessageParameter
2076     : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $type->identifier_ = $identifier; $$ = CYNew CYMessageParameter($tag, $type); }
2077     ;
2078
2079 MessageParameterList
2080     : MessageParameter[parameter] MessageParameterListOpt[next] { $parameter->SetNext($next); $$ = $parameter; }
2081     ;
2082
2083 MessageParameterListOpt
2084     : MessageParameterList[pass] { $$ = $pass; }
2085     | { $$ = NULL; }
2086     ;
2087
2088 MessageParameters
2089     : MessageParameterList[pass] { $$ = $pass; }
2090     | Word[tag] { $$ = CYNew CYMessageParameter($tag, NULL); }
2091     ;
2092
2093 ClassMessageDeclaration
2094     : MessageScope[instance] TypeOpt[type] MessageParameters[parameters] "{" LexPushSuperOn FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYMessage($instance, $type, $parameters, $code); }
2095     ;
2096
2097 ClassMessageDeclarationListOpt
2098     : ClassMessageDeclarationListOpt[next] ClassMessageDeclaration[message] { $message->SetNext($next); $$ = $message; }
2099     | { $$ = NULL; }
2100     ;
2101
2102 // XXX: this should be AssignmentExpressionNoRight
2103 ClassProtocols
2104     : ShiftExpression[name] ClassProtocolsOpt[next] { $$ = CYNew CYProtocol($name, $next); }
2105     ;
2106
2107 ClassProtocolsOpt
2108     : "," ClassProtocols[protocols] { $$ = $protocols; }
2109     | { $$ = NULL; }
2110     ;
2111
2112 ClassProtocolListOpt
2113     : "<" ClassProtocols[protocols] ">" { $$ = $protocols; }
2114     | { $$ = NULL; }
2115     ;
2116
2117 ImplementationStatement
2118     : "@implementation" Identifier[name] ClassSuperOpt[extends] ClassProtocolListOpt[protocols] "{" ImplementationFieldListOpt[fields] "}" ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYImplementation($name, $extends, $protocols, $fields, $messages); }
2119     ;
2120
2121 CategoryName
2122     : "(" WordOpt ")"
2123     ;
2124
2125 CategoryStatement
2126     : "@implementation" Identifier[name] CategoryName ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYCategory($name, $messages); }
2127     ;
2128
2129 Statement__
2130     : ImplementationStatement[pass] { $$ = $pass; }
2131     | CategoryStatement[pass] { $$ = $pass; }
2132     ;
2133 /* }}} */
2134 /* Cycript (Objective-C): Send Message {{{ */
2135 VariadicCall
2136     : "," AssignmentExpressionClassic[value] VariadicCall[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
2137     | { $$ = NULL; }
2138     ;
2139
2140 SelectorWordOpt
2141     : WordOpt[name] { driver.contexts_.back().words_.push_back($name); } { $$ = $name; }
2142     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
2143     ;
2144
2145 SelectorCall_
2146     : SelectorCall[pass] { $$ = $pass; }
2147     | VariadicCall[pass] { $$ = $pass; }
2148     ;
2149
2150 SelectorCall
2151     : SelectorWordOpt[name] ":" AssignmentExpressionClassic[value] SelectorCall_[next] { $$ = CYNew CYArgument($name ?: CYNew CYWord(""), $value, $next); }
2152     ;
2153
2154 SelectorList
2155     : SelectorCall[pass] { $$ = $pass; }
2156     | Word[name] { $$ = CYNew CYArgument($name, NULL); }
2157     ;
2158
2159 MessageExpression
2160     : "[" AssignmentExpressionClassic[self] { driver.contexts_.push_back($self); } SelectorList[arguments] "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($self, $arguments); }
2161     | "[" LexOf "super" { driver.context_ = NULL; } SelectorList[arguments] "]" { $$ = CYNew CYSendSuper($arguments); }
2162     ;
2163
2164 SelectorExpression_
2165     : WordOpt[name] ":" SelectorExpressionOpt[next] { $$ = CYNew CYSelectorPart($name, true, $next); }
2166     ;
2167
2168 SelectorExpression
2169     : SelectorExpression_[pass] { $$ = $pass; }
2170     | Word[name] { $$ = CYNew CYSelectorPart($name, false, NULL); }
2171     ;
2172
2173 SelectorExpressionOpt
2174     : SelectorExpression_[pass] { $$ = $pass; }
2175     | { $$ = NULL; }
2176     ;
2177
2178 PrimaryExpression
2179     : MessageExpression[pass] { $$ = $pass; }
2180     | "@selector" "(" SelectorExpression[parts] ")" { $$ = CYNew CYSelector($parts); }
2181     ;
2182 /* }}} */
2183 @end
2184
2185 /* Cycript: @import Directive {{{ */
2186 ModulePath
2187     : ModulePath[next] "." Word[part] { $$ = CYNew CYModule($part, $next); }
2188     | Word[part] { $$ = CYNew CYModule($part); }
2189     ;
2190
2191 Declaration_
2192     : "@import" ModulePath[path] { $$ = CYNew CYImport($path); }
2193     ;
2194 /* }}} */
2195
2196 @begin ObjectiveC
2197 /* Cycript (Objective-C): Boxed Expressions {{{ */
2198 BoxableExpression
2199     : NullLiteral[pass] { $$ = $pass; }
2200     | BooleanLiteral[pass] { $$ = $pass; }
2201     | NumericLiteral[pass] { $$ = $pass; }
2202     | StringLiteral[pass] { $$ = $pass; }
2203     | ArrayLiteral[pass] { $$ = $pass; }
2204     | ObjectLiteral[pass] { $$ = $pass; }
2205     | CoverParenthesizedExpressionAndArrowParameterList[pass] { $$ = $pass; }
2206     | "YES" { $$ = CYNew CYTrue(); }
2207     | "NO" { $$ = CYNew CYFalse(); }
2208     ;
2209
2210 PrimaryExpression
2211     : "@" BoxableExpression[expression] { $$ = CYNew CYBox($expression); }
2212     | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); }
2213     | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); }
2214     | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); }
2215     | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); }
2216     | "@null" { $$ = CYNew CYBox(CYNew CYNull()); }
2217     ;
2218 /* }}} */
2219 /* Cycript (Objective-C): Block Expressions {{{ */
2220 PrimaryExpression
2221     : "^" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { if (CYTypeFunctionWith *function = $type->Function()) $$ = CYNew CYObjCBlock($type, function->parameters_, $code); else CYERR($type->location_, "expected parameters"); }
2222     ;
2223 /* }}} */
2224 /* Cycript (Objective-C): Instance Literals {{{ */
2225 PrimaryExpression
2226     : "#" NumericLiteral[address] { $$ = CYNew CYInstanceLiteral($address); }
2227     ;
2228 /* }}} */
2229 @end
2230
2231 @begin C
2232 /* Cycript (C): Pointer Indirection/Addressing {{{ */
2233 UnaryExpression_
2234     : IndirectExpression[pass] { $$ = $pass; }
2235     ;
2236
2237 IndirectExpression
2238     : "*" UnaryExpression[rhs] { $$ = CYNew CYIndirect($rhs); }
2239     ;
2240
2241 UnaryExpression_
2242     : "&" UnaryExpression[rhs] { $$ = CYNew CYAddressOf($rhs); }
2243     ;
2244
2245 MemberAccess
2246     : "->" "[" Expression[property] "]" { $$ = CYNew CYIndirectMember(NULL, $property); }
2247     | "->" IdentifierName[property] { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($property)); }
2248     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
2249     ;
2250 /* }}} */
2251 /* Cycript (C): Lambda Expressions {{{ */
2252 TypedParameterList_
2253     : "," TypedParameterList[parameters] { $$ = $parameters; }
2254     | { $$ = NULL; }
2255     ;
2256
2257 TypedParameterList
2258     : TypedIdentifierMaybe[typed] TypedParameterList_[next] { $$ = CYNew CYTypedParameter($typed, $next); }
2259     ;
2260
2261 TypedParameterListOpt
2262     : TypedParameterList[pass] { $$ = $pass; }
2263     | "void" { $$ = NULL; }
2264     | { $$ = NULL; }
2265     ;
2266
2267 PrimaryExpression
2268     : "[" LexOf "&" "]" "(" TypedParameterListOpt[parameters] ")" "->" TypedIdentifierMaybe[type] "{" FunctionBody[code] "}" { $$ = CYNew CYLambda($type, $parameters, $code); }
2269     ;
2270 /* }}} */
2271 /* Cycript (C): Type Definitions {{{ */
2272 IdentifierNoOf
2273     : "typedef" NewLineOpt { $$ = CYNew CYIdentifier("typedef"); }
2274     ;
2275
2276 TypeDefinition
2277     : "typedef" NewLineNot TypedIdentifierYes[typed] TerminatorHard { $$ = CYNew CYTypeDefinition($typed); }
2278     ;
2279
2280 Statement__
2281     : TypeDefinition[pass] { $$ = $pass; }
2282     ;
2283
2284 PrimaryExpression
2285     : "(" LexOf "typedef" NewLineOpt TypedIdentifierNo[typed] ")" { $$ = CYNew CYTypeExpression($typed); }
2286     ;
2287 /* }}} */
2288 /* Cycript (C): extern "C" {{{ */
2289 IdentifierNoOf
2290     : "extern" NewLineOpt { $$ = CYNew CYIdentifier("extern"); }
2291     ;
2292
2293 ExternCStatement
2294     : TypedIdentifierYes[typed] TerminatorHard { $$ = CYNew CYExternal(CYNew CYString("C"), $typed); }
2295     | TypeDefinition[pass] { $$ = $pass; }
2296     ;
2297
2298 ExternCStatementListOpt
2299     : ExternCStatement[statement] ExternCStatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
2300     | { $$ = NULL; }
2301     ;
2302
2303 ExternC
2304     : "{" ExternCStatementListOpt[pass] "}" { $$ = $pass; }
2305     | ExternCStatement[pass] { $$ = $pass; }
2306     ;
2307
2308 Statement__
2309     : "extern" NewLineNot StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); } ExternC[pass] { $$ = $pass; }
2310     ;
2311 /* }}} */
2312
2313 @end
2314
2315 @begin E4X
2316 /* Lexer State {{{ */
2317 LexPushRegExp
2318     : { driver.PushCondition(CYDriver::RegExpCondition); }
2319     ;
2320
2321 LexPushXMLContent
2322     : { driver.PushCondition(CYDriver::XMLContentCondition); }
2323     ;
2324
2325 LexPushXMLTag
2326     : { driver.PushCondition(CYDriver::XMLTagCondition); }
2327     ;
2328
2329 LexPop
2330     : { driver.PopCondition(); }
2331     ;
2332
2333 LexSetXMLContent
2334     : { driver.SetCondition(CYDriver::XMLContentCondition); }
2335     ;
2336
2337 LexSetXMLTag
2338     : { driver.SetCondition(CYDriver::XMLTagCondition); }
2339     ;
2340 /* }}} */
2341 /* Virtual Tokens {{{ */
2342 XMLWhitespaceOpt
2343     : XMLWhitespace
2344     |
2345     ;
2346 /* }}} */
2347
2348 /* 8.1 Context Keywords {{{ */
2349 Identifier
2350     : "namespace" { $$ = CYNew CYIdentifier("namespace"); }
2351     | "xml" { $$ = CYNew CYIdentifier("xml"); }
2352     ;
2353 /* }}} */
2354 /* 8.3 XML Initializer Input Elements {{{ */
2355 XMLMarkup
2356     : XMLComment { $$ = $1; }
2357     | XMLCDATA { $$ = $1; }
2358     | XMLPI { $$ = $1; }
2359     ;
2360 /* }}} */
2361
2362 /* 11.1 Primary Expressions {{{ */
2363 PrimaryExpression
2364     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
2365     | XMLInitilizer { $$ = $1; }
2366     | XMLListInitilizer { $$ = $1; }
2367     ;
2368
2369 PropertyIdentifier
2370     : AttributeIdentifier { $$ = $1; }
2371     | QualifiedIdentifier { $$ = $1; }
2372     | WildcardIdentifier { $$ = $1; }
2373     ;
2374 /* }}} */
2375 /* 11.1.1 Attribute Identifiers {{{ */
2376 AttributeIdentifier
2377     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
2378     ;
2379
2380 PropertySelector_
2381     : PropertySelector { $$ = $1; }
2382     | "[" Expression "]" { $$ = CYNew CYSelector($2); }
2383     ;
2384
2385 PropertySelector
2386     : Identifier { $$ = CYNew CYSelector($1); }
2387     | WildcardIdentifier { $$ = $1; }
2388     ;
2389 /* }}} */
2390 /* 11.1.2 Qualified Identifiers {{{ */
2391 QualifiedIdentifier_
2392     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
2393     | QualifiedIdentifier { $$ = $1; }
2394     ;
2395
2396 QualifiedIdentifier
2397     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
2398     ;
2399 /* }}} */
2400 /* 11.1.3 Wildcard Identifiers {{{ */
2401 WildcardIdentifier
2402     : "*" { $$ = CYNew CYWildcard(); }
2403     ;
2404 /* }}} */
2405 /* 11.1.4 XML Initializer {{{ */
2406 XMLInitilizer
2407     : XMLMarkup { $$ = $1; }
2408     | XMLElement { $$ = $1; }
2409     ;
2410
2411 XMLElement
2412     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
2413     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
2414     ;
2415
2416 XMLTagContent
2417     : LexPushXMLTag XMLTagName XMLAttributes
2418     ;
2419
2420 XMLExpression
2421     : "{" LexPushRegExp Expression LexPop "}"
2422     ;
2423
2424 XMLTagName
2425     : XMLExpression
2426     | XMLName
2427     ;
2428
2429 XMLAttributes_
2430     : XMLAttributes_ XMLAttribute
2431     |
2432     ;
2433
2434 XMLAttributes
2435     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
2436     | XMLAttributes_ XMLWhitespaceOpt
2437     ;
2438
2439 XMLAttributeValue_
2440     : XMLExpression
2441     | XMLAttributeValue
2442     ;
2443
2444 XMLAttribute
2445     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
2446     ;
2447
2448 XMLElementContent
2449     : XMLExpression XMLElementContentOpt
2450     | XMLMarkup XMLElementContentOpt
2451     | XMLText XMLElementContentOpt
2452     | XMLElement XMLElementContentOpt
2453     ;
2454
2455 XMLElementContentOpt
2456     : XMLElementContent
2457     |
2458     ;
2459 /* }}} */
2460 /* 11.1.5 XMLList Initializer {{{ */
2461 XMLListInitilizer
2462     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
2463     ;
2464 /* }}} */
2465
2466 /* 11.2 Left-Hand-Side Expressions {{{ */
2467 PropertyIdentifier_
2468     : Identifier { $$ = $1; }
2469     | PropertyIdentifier { $$ = $1; }
2470     ;
2471
2472 MemberAccess
2473     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
2474     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
2475     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
2476     ;
2477 /* }}} */
2478 /* 12.1 The default xml namespace Statement {{{ */
2479 /* XXX: DefaultXMLNamespaceStatement
2480     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
2481     ;
2482
2483 Statement__
2484     : DefaultXMLNamespaceStatement { $$ = $1; }
2485     ; */
2486 /* }}} */
2487 @end
2488
2489 /* JavaScript FTL: Array Comprehensions {{{ */
2490 Comprehension
2491     : AssignmentExpression[expression] ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2492     ;
2493
2494 ComprehensionFor
2495     : "for" "each" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2496     ;
2497 /* }}} */
2498 /* JavaScript FTL: for each {{{ */
2499 IterationStatement
2500     : "for" "each" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
2501     ;
2502 /* }}} */
2503
2504 /* JavaScript FTW: Array Comprehensions {{{ */
2505 PrimaryExpression
2506     : ArrayComprehension
2507     ;
2508
2509 ArrayComprehension
2510     : "[" Comprehension[comprehension] "]" { $$ = $comprehension; }
2511     ;
2512
2513 Comprehension
2514     : LexOf ComprehensionFor[comprehension] ComprehensionTail[next] AssignmentExpression[expression] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2515     ;
2516
2517 ComprehensionTail
2518     : { $$ = NULL; }
2519     | ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2520     | ComprehensionIf[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2521     ;
2522
2523 ComprehensionFor
2524     : "for" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForInComprehension($binding, $iterable); }
2525     | "for" "(" LexPushInOn LexBind ForBinding[binding] "of" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2526     ;
2527
2528 ComprehensionIf
2529     : "if" "(" AssignmentExpression[test] ")" { $$ = CYNew CYIfComprehension($test); }
2530     ;
2531 /* }}} */
2532 /* JavaScript FTW: Coalesce Operator {{{ */
2533 ConditionalExpression
2534     : LogicalORExpression[test] "?" LexPushInOff LexOf ":" LexPopIn AssignmentExpression[false] { $$ = CYNew CYCondition($test, $test, $false); }
2535     ;
2536 /* }}} */
2537 /* JavaScript FTW: Named Arguments {{{ */
2538 ArgumentList
2539     : LexOf Word[tag] ":" AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument($tag, $value, $next); }
2540     ;
2541 /* }}} */
2542 /* JavaScript FTW: Ruby Blocks {{{ */
2543 RubyProcParameterList_
2544     : "," RubyProcParameterList[parameters] { $$ = $parameters; }
2545     | { $$ = NULL; }
2546     ;
2547
2548 RubyProcParameterList
2549     : BindingIdentifier[identifier] RubyProcParameterList_[next] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier), $next); }
2550     | LexOf { $$ = NULL; }
2551     ;
2552
2553 RubyProcParameters
2554     : "|" RubyProcParameterList[parameters] "|" { $$ = $parameters; }
2555     | "||" { $$ = NULL; }
2556     ;
2557
2558 RubyProcParametersOpt
2559     : RubyProcParameters[pass] { $$ = $pass; }
2560     | { $$ = NULL; }
2561     ;
2562
2563 RubyProcExpression
2564     : "{" RubyProcParametersOpt[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2565     ;
2566
2567 PrimaryExpression
2568     : "{" RubyProcParameters[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2569     ;
2570
2571 RubyBlockExpression_
2572     : AccessExpression[pass] LexNewLineOrOpt { $$ = $pass; }
2573     | RubyBlockExpression_[lhs] RubyProcExpression[rhs] LexNewLineOrOpt { $$ = CYNew CYRubyBlock($lhs, $rhs); }
2574     ;
2575
2576 RubyBlockExpression
2577     : RubyBlockExpression_[pass] "\n" { $$ = $pass; }
2578     | RubyBlockExpression_[pass] { $$ = $pass; }
2579     ;
2580 /* }}} */
2581
2582 %%
2583
2584 bool CYDriver::Parse(CYMark mark) {
2585     mark_ = mark;
2586     CYLocal<CYPool> local(&pool_);
2587     cy::parser parser(*this);
2588 #ifdef YYDEBUG
2589     parser.set_debug_level(debug_);
2590 #endif
2591     return parser.parse() != 0;
2592 }
2593
2594 void CYDriver::Warning(const cy::parser::location_type &location, const char *message) {
2595     if (!strict_)
2596         return;
2597
2598     CYDriver::Error error;
2599     error.warning_ = true;
2600     error.location_ = location;
2601     error.message_ = message;
2602     errors_.push_back(error);
2603 }
2604
2605 void cy::parser::error(const cy::parser::location_type &location, const std::string &message) {
2606     CYDriver::Error error;
2607     error.warning_ = false;
2608     error.location_ = location;
2609     error.message_ = message;
2610     driver.errors_.push_back(error);
2611 }