Parser.ypp.in

   1 /* Cycript - The Truly Universal Scripting Language
   2  * Copyright (C) 2009-2016  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 #include "Syntax.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
  44 %union { bool bool_; }
  45
  46 %union { CYMember *access_; }
  47 %union { CYArgument *argument_; }
  48 %union { CYAssignment *assignment_; }
  49 %union { CYBinding *binding_; }
  50 %union { CYBindings *bindings_; }
  51 %union { CYBoolean *boolean_; }
  52 %union { CYBraced *braced_; }
  53 %union { CYClause *clause_; }
  54 %union { cy::Syntax::Catch *catch_; }
  55 %union { CYClassTail *classTail_; }
  56 %union { CYComprehension *comprehension_; }
  57 %union { CYElement *element_; }
  58 %union { CYEnumConstant *constant_; }
  59 %union { CYExpression *expression_; }
  60 %union { CYFalse *false_; }
  61 %union { CYVariable *variable_; }
  62 %union { CYFinally *finally_; }
  63 %union { CYForInitializer *for_; }
  64 %union { CYForInInitializer *forin_; }
  65 %union { CYFunctionParameter *functionParameter_; }
  66 %union { CYIdentifier *identifier_; }
  67 %union { CYImportSpecifier *import_; }
  68 %union { CYInfix *infix_; }
  69 %union { CYLiteral *literal_; }
  70 %union { CYMethod *method_; }
  71 %union { CYModule *module_; }
  72 %union { CYNull *null_; }
  73 %union { CYNumber *number_; }
  74 %union { CYParenthetical *parenthetical_; }
  75 %union { CYProperty *property_; }
  76 %union { CYPropertyName *propertyName_; }
  77 %union { CYTypeSigning signing_; }
  78 %union { CYSpan *span_; }
  79 %union { CYStatement *statement_; }
  80 %union { CYString *string_; }
  81 %union { CYTarget *target_; }
  82 %union { CYThis *this_; }
  83 %union { CYTrue *true_; }
  84 %union { CYWord *word_; }
  85
  86 @begin C
  87 %union { CYTypeIntegral *integral_; }
  88 %union { CYTypeStructField *structField_; }
  89 %union { CYTypeModifier *modifier_; }
  90 %union { CYTypeSpecifier *specifier_; }
  91 %union { CYTypedFormal *typedFormal_; }
  92 %union { CYTypedLocation *typedLocation_; }
  93 %union { CYTypedName *typedName_; }
  94 %union { CYTypedParameter *typedParameter_; }
  95 %union { CYType *typedThing_; }
  96 @end
  97
  98 @begin ObjectiveC
  99 %union { CYObjCKeyValue *keyValue_; }
 100 %union { CYImplementationField *implementationField_; }
 101 %union { CYMessage *message_; }
 102 %union { CYMessageParameter *messageParameter_; }
 103 %union { CYProtocol *protocol_; }
 104 %union { CYSelectorPart *selector_; }
 105 @end
 106
 107 @begin E4X
 108 %union { CYAttribute *attribute_; }
 109 %union { CYPropertyIdentifier *propertyIdentifier_; }
 110 %union { CYSelector *selector_; }
 111 @end
 112
 113 %code provides {
 114
 115 struct YYSTYPE {
 116     cy::parser::semantic_type semantic_;
 117     hi::Value highlight_;
 118 };
 119
 120 int cylex(YYSTYPE *, CYLocation *, void *);
 121
 122 }
 123
 124 %code {
 125
 126 #undef yylex
 127
 128 typedef cy::parser::token tk;
 129
 130 _finline int cylex_(cy::parser::semantic_type *semantic, CYLocation *location, CYDriver &driver) {
 131     driver.newline_ = false;
 132   lex:
 133     YYSTYPE data;
 134     int token(cylex(&data, location, driver.scanner_));
 135     *semantic = data.semantic_;
 136
 137     switch (token) {
 138         case tk::OpenBrace:
 139         case tk::OpenBracket:
 140         case tk::OpenParen:
 141             driver.in_.push(false);
 142         break;
 143
 144         case tk::_in_:
 145             if (driver.in_.top())
 146                 token = tk::_in__;
 147         break;
 148
 149         case tk::CloseBrace:
 150         case tk::CloseBracket:
 151         case tk::CloseParen:
 152             driver.in_.pop();
 153         break;
 154
 155
 156         case tk::_yield_:
 157             if (driver.yield_.top())
 158                 token = tk::_yield__;
 159         break;
 160
 161         case tk::NewLine:
 162             driver.newline_ = true;
 163             goto lex;
 164         break;
 165     }
 166
 167     return token;
 168 }
 169
 170 #define yylex_(semantic, location, driver) ({ \
 171     int type; \
 172     if (driver.hold_ == cy::parser::empty_symbol) \
 173         type = yytranslate_(cylex_(semantic, location, driver)); \
 174     else { \
 175         type = driver.hold_; \
 176         driver.hold_ = cy::parser::empty_symbol; \
 177     } \
 178 type; })
 179
 180 #define CYLEX() do if (yyla.empty()) { \
 181     YYCDEBUG << "Mapping a token: "; \
 182     yyla.type = yylex_(&yyla.value, &yyla.location, driver); \
 183     YY_SYMBOL_PRINT("Next token is", yyla); \
 184 } while (false)
 185
 186 #define CYMAP(to, from) do { \
 187     CYLEX(); \
 188     if (yyla.type == yytranslate_(token::from)) \
 189         yyla.type = yytranslate_(token::to); \
 190 } while (false)
 191
 192 #define CYHLD(location, token) do { \
 193     if (driver.hold_ != empty_symbol) \
 194         CYERR(location, "unexpected hold"); \
 195     driver.hold_ = yyla.type; \
 196     yyla.type = yytranslate_(token); \
 197 } while (false)
 198
 199 #define CYERR(location, message) do { \
 200     error(location, message); \
 201     YYABORT; \
 202 } while (false)
 203
 204 #define CYEOK() do { \
 205     yyerrok; \
 206     driver.errors_.pop_back(); \
 207 } while (false)
 208
 209 #define CYNOT(location) \
 210     CYERR(location, "unimplemented feature")
 211
 212 #define CYMPT(location) do { \
 213     if (!yyla.empty() && yyla.type_get() != yyeof_) \
 214         CYERR(location, "unexpected lookahead"); \
 215 } while (false)
 216
 217 }
 218
 219 %name-prefix "cy"
 220
 221 %language "C++"
 222
 223 %initial-action {
 224     @$.begin.filename = @$.end.filename = &driver.filename_;
 225
 226     switch (driver.mark_) {
 227         case CYMarkScript:
 228             driver.hold_ = yytranslate_(token::MarkScript);
 229             break;
 230         case CYMarkModule:
 231             driver.hold_ = yytranslate_(token::MarkModule);
 232             break;
 233         case CYMarkExpression:
 234             driver.hold_ = yytranslate_(token::MarkExpression);
 235             break;
 236     }
 237 };
 238
 239 %locations
 240 %defines
 241
 242 %define api.location.type { CYLocation }
 243
 244 //%glr-parser
 245 //%expect 1
 246
 247 %error-verbose
 248
 249 %param { CYDriver &driver }
 250
 251 /* Token Declarations {{{ */
 252 @begin E4X
 253 %token XMLCDATA
 254 %token XMLComment
 255 %token XMLPI
 256
 257 %token XMLAttributeValue
 258 %token XMLName
 259 %token XMLTagCharacters
 260 %token XMLText
 261 %token XMLWhitespace
 262 @end
 263
 264 @begin E4X
 265 %token LeftRight "<>"
 266 %token LeftSlashRight "</>"
 267
 268 %token SlashRight "/>"
 269 %token LeftSlash "</"
 270
 271 %token PeriodPeriod ".."
 272 @end
 273
 274 @begin E4X ObjectiveC
 275 %token At "@"
 276 @end
 277
 278 %token Ampersand "&"
 279 %token AmpersandAmpersand "&&"
 280 %token AmpersandEqual "&="
 281 %token Carrot "^"
 282 %token CarrotEqual "^="
 283 %token Equal "="
 284 %token EqualEqual "=="
 285 %token EqualEqualEqual "==="
 286 %token EqualRight "=>"
 287 %token Exclamation "!"
 288 %token ExclamationEqual "!="
 289 %token ExclamationEqualEqual "!=="
 290 %token Hyphen "-"
 291 %token HyphenEqual "-="
 292 %token HyphenHyphen "--"
 293 %token HyphenRight "->"
 294 %token Left "<"
 295 %token LeftEqual "<="
 296 %token LeftLeft "<<"
 297 %token LeftLeftEqual "<<="
 298 %token Percent "%"
 299 %token PercentEqual "%="
 300 %token Period "."
 301 %token PeriodPeriodPeriod "..."
 302 %token Pipe "|"
 303 %token PipeEqual "|="
 304 %token PipePipe "||"
 305 %token Plus "+"
 306 %token PlusEqual "+="
 307 %token PlusPlus "++"
 308 %token QuestionPeriod "?."
 309 %token Right ">"
 310 %token RightEqual ">="
 311 %token RightRight ">>"
 312 %token RightRightEqual ">>="
 313 %token RightRightRight ">>>"
 314 %token RightRightRightEqual ">>>="
 315 %token Slash "/"
 316 %token SlashEqual "/="
 317 %token Star "*"
 318 %token StarEqual "*="
 319 %token Tilde "~"
 320
 321 %token Colon ":"
 322 %token ColonColon "::"
 323 %token Comma ","
 324 %token Question "?"
 325 %token SemiColon ";"
 326 %token Pound "#"
 327 %token NewLine "\n"
 328 %token __ ""
 329
 330 %token Comment
 331
 332 %token OpenParen "("
 333 %token CloseParen ")"
 334
 335 %token OpenBrace "{"
 336 %token OpenBrace_ ";{"
 337 %token OpenBrace_let "let {"
 338 %token CloseBrace "}"
 339
 340 %token OpenBracket "["
 341 %token OpenBracket_let "let ["
 342 %token CloseBracket "]"
 343
 344 %token At_error_ "@error"
 345
 346 @begin Java
 347 %token At_class_ "@class"
 348 @end
 349
 350 @begin C
 351 %token _typedef_ "typedef"
 352 %token _unsigned_ "unsigned"
 353 %token _signed_ "signed"
 354 %token _struct_ "struct"
 355 %token _extern_ "extern"
 356 @end
 357
 358 @begin C
 359 %token At_encode_ "@encode"
 360 @end
 361
 362 @begin ObjectiveC
 363 %token At_implementation_ "@implementation"
 364 %token At_import_ "@import"
 365 %token At_end_ "@end"
 366 %token At_selector_ "@selector"
 367 %token At_null_ "@null"
 368 %token At_YES_ "@YES"
 369 %token At_NO_ "@NO"
 370 %token At_true_ "@true"
 371 %token At_false_ "@false"
 372 %token _YES_ "YES"
 373 %token _NO_ "NO"
 374 @end
 375
 376 %token _false_ "false"
 377 %token _null_ "null"
 378 %token _true_ "true"
 379
 380 %token _as_ "as"
 381 %token _break_ "break"
 382 %token _case_ "case"
 383 %token _catch_ "catch"
 384 %token _class_ "class"
 385 %token _class__ ";class"
 386 %token _const_ "const"
 387 %token _continue_ "continue"
 388 %token _debugger_ "debugger"
 389 %token _default_ "default"
 390 %token _delete_ "delete"
 391 %token _do_ "do"
 392 %token _else_ "else"
 393 %token _enum_ "enum"
 394 %token _export_ "export"
 395 %token _extends_ "extends"
 396 %token _finally_ "finally"
 397 %token _for_ "for"
 398 %token _function_ "function"
 399 %token _function__ ";function"
 400 %token _if_ "if"
 401 %token _import_ "import"
 402 %token _in_ "in"
 403 %token _in__ "!in"
 404 %token _Infinity_ "Infinity"
 405 %token _instanceof_ "instanceof"
 406 %token _new_ "new"
 407 %token _return_ "return"
 408 %token _super_ "super"
 409 %token _switch_ "switch"
 410 %token _target_ "target"
 411 %token _this_ "this"
 412 %token _throw_ "throw"
 413 %token _try_ "try"
 414 %token _typeof_ "typeof"
 415 %token _var_ "var"
 416 %token _void_ "void"
 417 %token _while_ "while"
 418 %token _with_ "with"
 419
 420 %token _abstract_ "abstract"
 421 %token _await_ "await"
 422 %token _boolean_ "boolean"
 423 %token _byte_ "byte"
 424 %token _char_ "char"
 425 %token _constructor_ "constructor"
 426 %token _double_ "double"
 427 %token _eval_ "eval"
 428 %token _final_ "final"
 429 %token _float_ "float"
 430 %token _from_ "from"
 431 %token _get_ "get"
 432 %token _goto_ "goto"
 433 %token _implements_ "implements"
 434 %token _int_ "int"
 435 %token ___int128_ "__int128"
 436 %token _interface_ "interface"
 437 %token _let_ "let"
 438 %token _let__ "!let"
 439 %token _long_ "long"
 440 %token _native_ "native"
 441 %token _package_ "package"
 442 %token _private_ "private"
 443 %token _protected_ "protected"
 444 %token ___proto___ "__proto__"
 445 %token _prototype_ "prototype"
 446 %token _public_ "public"
 447 %token _set_ "set"
 448 %token _short_ "short"
 449 %token _static_ "static"
 450 %token _synchronized_ "synchronized"
 451 %token _throws_ "throws"
 452 %token _transient_ "transient"
 453 %token _typeid_ "typeid"
 454 %token _volatile_ "volatile"
 455 %token _yield_ "yield"
 456 %token _yield__ "!yield"
 457
 458 %token _undefined_ "undefined"
 459
 460 @begin ObjectiveC
 461 %token _bool_ "bool"
 462 %token _BOOL_ "BOOL"
 463 %token _id_ "id"
 464 %token _nil_ "nil"
 465 %token _NULL_ "NULL"
 466 %token _SEL_ "SEL"
 467 @end
 468
 469 %token _each_ "each"
 470 %token _of_ "of"
 471 %token _of__ "!of"
 472
 473 @begin E4X
 474 %token _namespace_ "namespace"
 475 %token _xml_ "xml"
 476 @end
 477
 478 %token AutoComplete
 479 %token YieldStar "yield *"
 480
 481 %token <identifier_> Identifier_
 482 %token <number_> NumericLiteral
 483 %token <string_> StringLiteral
 484 %token <literal_> RegularExpressionLiteral_
 485
 486 %token <string_> NoSubstitutionTemplate
 487 %token <string_> TemplateHead
 488 %token <string_> TemplateMiddle
 489 %token <string_> TemplateTail
 490
 491 %type <target_> AccessExpression
 492 %type <expression_> AdditiveExpression
 493 %type <argument_> ArgumentList_
 494 %type <argument_> ArgumentList
 495 %type <argument_> ArgumentListOpt
 496 %type <argument_> Arguments
 497 %type <target_> ArrayComprehension
 498 %type <element_> ArrayElement
 499 %type <literal_> ArrayLiteral
 500 %type <expression_> ArrowFunction
 501 %type <functionParameter_> ArrowParameters
 502 %type <expression_> AssignmentExpression
 503 %type <identifier_> BindingIdentifier
 504 %type <identifier_> BindingIdentifierOpt
 505 %type <bindings_> BindingList_
 506 %type <bindings_> BindingList
 507 %type <expression_> BitwiseANDExpression
 508 %type <statement_> Block
 509 %type <statement_> BlockStatement
 510 %type <boolean_> BooleanLiteral
 511 %type <binding_> BindingElement
 512 %type <expression_> BitwiseORExpression
 513 %type <expression_> BitwiseXORExpression
 514 %type <target_> BracedExpression_
 515 %type <target_> BracedExpression
 516 %type <statement_> BreakStatement
 517 %type <statement_> BreakableStatement
 518 %type <expression_> CallExpression_
 519 %type <target_> CallExpression
 520 %type <clause_> CaseBlock
 521 %type <clause_> CaseClause
 522 %type <clause_> CaseClausesOpt
 523 %type <catch_> Catch
 524 %type <identifier_> CatchParameter
 525 %type <statement_> ClassDeclaration
 526 %type <target_> ClassExpression
 527 %type <classTail_> ClassHeritage
 528 %type <classTail_> ClassHeritageOpt
 529 %type <classTail_> ClassTail
 530 %type <target_> Comprehension
 531 %type <comprehension_> ComprehensionFor
 532 %type <comprehension_> ComprehensionIf
 533 %type <comprehension_> ComprehensionTail
 534 %type <propertyName_> ComputedPropertyName
 535 %type <expression_> ConditionalExpression
 536 %type <statement_> ContinueStatement
 537 %type <statement_> ConciseBody
 538 %type <parenthetical_> CoverParenthesizedExpressionAndArrowParameterList
 539 %type <statement_> DebuggerStatement
 540 %type <statement_> Declaration_
 541 %type <statement_> Declaration
 542 %type <clause_> DefaultClause
 543 %type <element_> ElementList_
 544 %type <element_> ElementList
 545 %type <element_> ElementListOpt
 546 %type <statement_> ElseStatementOpt
 547 %type <for_> EmptyStatement
 548 %type <expression_> EqualityExpression
 549 %type <expression_> Expression
 550 %type <expression_> ExpressionOpt
 551 %type <for_> ExpressionStatement_
 552 %type <statement_> ExpressionStatement
 553 %type <finally_> Finally
 554 %type <binding_> ForBinding
 555 %type <forin_> ForDeclaration
 556 %type <forin_> ForInStatementInitializer
 557 %type <for_> ForStatementInitializer
 558 %type <binding_> FormalParameter
 559 %type <functionParameter_> FormalParameterList_
 560 %type <functionParameter_> FormalParameterList
 561 %type <functionParameter_> FormalParameters
 562 %type <string_> FromClause
 563 %type <statement_> FunctionBody
 564 %type <statement_> FunctionDeclaration
 565 %type <target_> FunctionExpression
 566 %type <statement_> FunctionStatementList
 567 %type <statement_> GeneratorBody
 568 %type <statement_> GeneratorDeclaration
 569 %type <target_> GeneratorExpression
 570 %type <method_> GeneratorMethod
 571 %type <statement_> HoistableDeclaration
 572 %type <identifier_> Identifier
 573 %type <identifier_> IdentifierNoOf
 574 %type <identifier_> IdentifierTypeNoOf
 575 %type <word_> IdentifierName
 576 %type <variable_> IdentifierReference
 577 %type <statement_> IfStatement
 578 %type <import_> ImportClause
 579 %type <statement_> ImportDeclaration
 580 %type <import_> ImportSpecifier
 581 %type <identifier_> ImportedBinding
 582 %type <import_> ImportedDefaultBinding
 583 %type <import_> ImportsList_
 584 %type <import_> ImportsList
 585 %type <import_> ImportsListOpt
 586 %type <expression_> Initializer
 587 %type <expression_> InitializerOpt
 588 %type <statement_> IterationStatement
 589 %type <identifier_> LabelIdentifier
 590 %type <statement_> LabelledItem
 591 %type <statement_> LabelledStatement
 592 %type <assignment_> LeftHandSideAssignment
 593 %type <target_> LeftHandSideExpression
 594 %type <bool_> LetOrConst
 595 %type <binding_> LexicalBinding
 596 %type <for_> LexicalDeclaration_
 597 %type <statement_> LexicalDeclaration
 598 %type <literal_> Literal
 599 %type <propertyName_> LiteralPropertyName
 600 %type <expression_> LogicalANDExpression
 601 %type <expression_> LogicalORExpression
 602 %type <access_> MemberAccess
 603 %type <target_> MemberExpression
 604 %type <method_> MethodDefinition
 605 %type <statement_> ModuleBody
 606 %type <statement_> ModuleBodyOpt
 607 %type <statement_> ModuleItem
 608 %type <statement_> ModuleItemList
 609 %type <statement_> ModuleItemListOpt
 610 %type <module_> ModulePath
 611 %type <string_> ModuleSpecifier
 612 %type <expression_> MultiplicativeExpression
 613 %type <import_> NameSpaceImport
 614 %type <import_> NamedImports
 615 %type <target_> NewExpression
 616 %type <null_> NullLiteral
 617 %type <literal_> ObjectLiteral
 618 %type <expression_> PostfixExpression
 619 %type <target_> PrimaryExpression
 620 %type <propertyName_> PropertyName
 621 %type <property_> PropertyDefinition
 622 %type <property_> PropertyDefinitionList_
 623 %type <property_> PropertyDefinitionList
 624 %type <property_> PropertyDefinitionListOpt
 625 %type <functionParameter_> PropertySetParameterList
 626 %type <literal_> RegularExpressionLiteral
 627 %type <bool_> RegularExpressionSlash
 628 %type <expression_> RelationalExpression
 629 %type <statement_> ReturnStatement
 630 %type <braced_> BracedParameter
 631 %type <functionParameter_> RubyProcParameterList_
 632 %type <functionParameter_> RubyProcParameterList
 633 %type <functionParameter_> RubyProcParameters
 634 %type <functionParameter_> RubyProcParametersOpt
 635 %type <statement_> Script
 636 %type <statement_> ScriptBody
 637 %type <statement_> ScriptBodyOpt
 638 %type <expression_> ShiftExpression
 639 %type <binding_> SingleNameBinding
 640 %type <statement_> Statement__
 641 %type <statement_> Statement_
 642 %type <statement_> Statement
 643 %type <statement_> StatementList
 644 %type <statement_> StatementListOpt
 645 %type <statement_> StatementListItem
 646 %type <functionParameter_> StrictFormalParameters
 647 %type <target_> SuperCall
 648 %type <target_> SuperProperty
 649 %type <statement_> SwitchStatement
 650 %type <target_> TemplateLiteral
 651 %type <span_> TemplateSpans
 652 %type <statement_> ThrowStatement
 653 %type <statement_> TryStatement
 654 %type <expression_> UnaryExpression_
 655 %type <expression_> UnaryExpression
 656 %type <binding_> VariableDeclaration
 657 %type <bindings_> VariableDeclarationList_
 658 %type <bindings_> VariableDeclarationList
 659 %type <for_> VariableStatement_
 660 %type <statement_> VariableStatement
 661 %type <statement_> WithStatement
 662 %type <word_> Word
 663 %type <word_> WordNoUnary
 664 @begin ObjectiveC
 665 %type <word_> WordOpt
 666 @end
 667 %type <expression_> YieldExpression
 668
 669 @begin C
 670 %type <constant_> EnumConstantListOpt_
 671 %type <constant_> EnumConstantListOpt
 672 %type <statement_> ExternC
 673 %type <statement_> ExternCStatement
 674 %type <statement_> ExternCStatementListOpt
 675 %type <identifier_> IdentifierType
 676 %type <identifier_> IdentifierTypeOpt
 677 %type <target_> IndirectExpression
 678 %type <number_> IntegerNumber
 679 %type <integral_> IntegerType
 680 %type <integral_> IntegerTypeOpt
 681 %type <typedName_> PrefixedType
 682 %type <specifier_> PrimitiveReference
 683 %type <specifier_> PrimitiveType
 684 %type <structField_> StructFieldListOpt
 685 %type <typedName_> SuffixedType
 686 %type <typedName_> SuffixedTypeOpt
 687 %type <statement_> TypeDefinition
 688 %type <typedName_> TypeSignifier
 689 %type <typedName_> TypeSignifierNone
 690 %type <typedName_> TypeSignifierOpt
 691 %type <signing_> TypeSigning
 692 %type <modifier_> ParameterTail
 693 %type <modifier_> TypeQualifierLeft
 694 %type <modifier_> TypeQualifierLeftOpt
 695 %type <typedName_> TypeQualifierRight
 696 %type <typedName_> TypeQualifierRightOpt
 697 %type <typedName_> TypedIdentifierDefinition
 698 %type <typedThing_> TypedIdentifierEncoding
 699 %type <typedName_> TypedIdentifierField
 700 %type <typedName_> TypedIdentifierMaybe
 701 %type <typedLocation_> TypedIdentifierNo
 702 %type <typedName_> TypedIdentifierTagged
 703 %type <typedName_> TypedIdentifierYes
 704 %type <typedFormal_> TypedParameterList_
 705 %type <typedFormal_> TypedParameterList
 706 %type <typedFormal_> TypedParameterListOpt
 707 %type <typedParameter_> TypedParameters
 708 @end
 709
 710 @begin ObjectiveC
 711 %type <expression_> AssignmentExpressionClassic
 712 %type <expression_> BoxableExpression
 713 %type <statement_> CategoryStatement
 714 %type <expression_> ClassSuperOpt
 715 %type <expression_> ConditionalExpressionClassic
 716 %type <message_> ClassMessageDeclaration
 717 %type <message_> ClassMessageDeclarationListOpt
 718 %type <protocol_> ClassProtocolListOpt
 719 %type <protocol_> ClassProtocols
 720 %type <protocol_> ClassProtocolsOpt
 721 %type <implementationField_> ImplementationFieldListOpt
 722 %type <statement_> ImplementationStatement
 723 %type <keyValue_> KeyValuePairList_
 724 %type <keyValue_> KeyValuePairList
 725 %type <keyValue_> KeyValuePairListOpt
 726 %type <target_> MessageExpression
 727 %type <messageParameter_> MessageParameter
 728 %type <messageParameter_> MessageParameters
 729 %type <messageParameter_> MessageParameterList
 730 %type <messageParameter_> MessageParameterListOpt
 731 %type <bool_> MessageScope
 732 %type <argument_> SelectorCall_
 733 %type <argument_> SelectorCall
 734 %type <selector_> SelectorExpression_
 735 %type <selector_> SelectorExpression
 736 %type <selector_> SelectorExpressionOpt
 737 %type <argument_> SelectorList
 738 %type <word_> SelectorWordOpt
 739 %type <typedThing_> TypeOpt
 740 %type <argument_> VariadicCall
 741 @end
 742
 743 @begin E4X
 744 %type <propertyIdentifier_> PropertyIdentifier_
 745 %type <selector_> PropertySelector_
 746 %type <selector_> PropertySelector
 747 %type <identifier_> QualifiedIdentifier_
 748 %type <identifier_> QualifiedIdentifier
 749 %type <identifier_> WildcardIdentifier
 750 %type <identifier_> XMLComment
 751 %type <identifier_> XMLCDATA
 752 %type <identifier_> XMLElement
 753 %type <identifier_> XMLElementContent
 754 %type <identifier_> XMLMarkup
 755 %type <identifier_> XMLPI
 756
 757 %type <attribute_> AttributeIdentifier
 758 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 759 %type <expression_> PropertyIdentifier
 760 %type <expression_> XMLListInitilizer
 761 %type <expression_> XMLInitilizer
 762 @end
 763 /* }}} */
 764 /* Token Priorities {{{ */
 765 %nonassoc "if"
 766 %nonassoc "else"
 767
 768 %nonassoc ":"
 769 %nonassoc "!yield"
 770 /* }}} */
 771
 772 %start Program
 773 %token MarkModule
 774 %token MarkScript
 775 %token MarkExpression
 776
 777 %%
 778
 779 Program
 780     : MarkScript Script
 781     | MarkModule Module
 782     | MarkExpression Expression[expression] { driver.context_ = $expression; }
 783     ;
 784
 785 /* Lexer State {{{ */
 786 LexPushInOn: { driver.in_.push(true); };
 787 LexPushInOff: { driver.in_.push(false); };
 788 LexPopIn: { driver.in_.pop(); };
 789
 790 LexPushReturnOn: { driver.return_.push(true); };
 791 LexPopReturn: { driver.return_.pop(); };
 792 Return: "return"[return] { if (!driver.return_.top()) CYERR(@return, "invalid return"); };
 793
 794 LexPushSuperOn: { driver.super_.push(true); };
 795 LexPushSuperOff: { driver.super_.push(false); };
 796 LexPopSuper: { driver.super_.pop(); };
 797 Super: "super"[super] { if (!driver.super_.top()) CYERR(@super, "invalid super"); };
 798
 799 LexPushYieldOn: { driver.yield_.push(true); };
 800 LexPushYieldOff: { driver.yield_.push(false); };
 801 LexPopYield: { driver.yield_.pop(); };
 802
 803 LexNewLineOrOpt
 804     : { CYLEX(); if (driver.newline_) { CYHLD(@$, tk::NewLine); } }
 805     ;
 806
 807 LexNewLineOrNot
 808     : { CYLEX(); CYHLD(@$, driver.newline_ ? tk::NewLine : tk::__); }
 809     ;
 810
 811 LexNoStar
 812     : { CYMAP(YieldStar, Star); }
 813     ;
 814
 815 LexNoBrace
 816     : { CYMAP(OpenBrace_, OpenBrace); }
 817     ;
 818
 819 LexNoClass
 820     : { CYMAP(_class__, _class_); }
 821     ;
 822
 823 LexNoFunction
 824     : { CYMAP(_function__, _function_); }
 825     ;
 826
 827 LexSetStatement
 828     : LexNoBrace LexNoClass LexNoFunction
 829     ;
 830 /* }}} */
 831 /* Virtual Tokens {{{ */
 832 Var_
 833     : "var"
 834     ;
 835 /* }}} */
 836
 837 /* 11.6 Names and Keywords {{{ */
 838 IdentifierName
 839     : Word[pass] { $$ = $pass; }
 840     | "for" { $$ = CYNew CYWord("for"); }
 841     | "in" { $$ = CYNew CYWord("in"); }
 842     | "instanceof" { $$ = CYNew CYWord("instanceof"); }
 843     ;
 844
 845 WordNoUnary
 846     : IdentifierNoOf[pass] { $$ = $pass; }
 847     | "break" { $$ = CYNew CYWord("break"); }
 848     | "case" { $$ = CYNew CYWord("case"); }
 849     | "catch" { $$ = CYNew CYWord("catch"); }
 850     | "class" LexOf { $$ = CYNew CYWord("class"); }
 851     | ";class" { $$ = CYNew CYWord("class"); }
 852     | "const" { $$ = CYNew CYWord("const"); }
 853     | "continue" { $$ = CYNew CYWord("continue"); }
 854     | "debugger" { $$ = CYNew CYWord("debugger"); }
 855     | "default" { $$ = CYNew CYWord("default"); }
 856     | "do" { $$ = CYNew CYWord("do"); }
 857     | "else" { $$ = CYNew CYWord("else"); }
 858     | "enum" { $$ = CYNew CYWord("enum"); }
 859     | "export" { $$ = CYNew CYWord("export"); }
 860     | "extends" { $$ = CYNew CYWord("extends"); }
 861     | "false" { $$ = CYNew CYWord("false"); }
 862     | "finally" { $$ = CYNew CYWord("finally"); }
 863     | "function" LexOf { $$ = CYNew CYWord("function"); }
 864     | "if" { $$ = CYNew CYWord("if"); }
 865     | "import" { $$ = CYNew CYWord("import"); }
 866     | "!in" { $$ = CYNew CYWord("in"); }
 867     | "!of" { $$ = CYNew CYWord("of"); }
 868     | "null" { $$ = CYNew CYWord("null"); }
 869     | "return" { $$ = CYNew CYWord("return"); }
 870     | "super" { $$ = CYNew CYWord("super"); }
 871     | "switch" { $$ = CYNew CYWord("switch"); }
 872     | "this" { $$ = CYNew CYWord("this"); }
 873     | "throw" { $$ = CYNew CYWord("throw"); }
 874     | "true" { $$ = CYNew CYWord("true"); }
 875     | "try" { $$ = CYNew CYWord("try"); }
 876     | "var" { $$ = CYNew CYWord("var"); }
 877     | "while" { $$ = CYNew CYWord("while"); }
 878     | "with" { $$ = CYNew CYWord("with"); }
 879     ;
 880
 881 Word
 882     : WordNoUnary[pass] { $$ = $pass; }
 883     | "delete" { $$ = CYNew CYWord("delete"); }
 884     | "typeof" { $$ = CYNew CYWord("typeof"); }
 885     | "void" { $$ = CYNew CYWord("void"); }
 886     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 887     ;
 888
 889 @begin ObjectiveC
 890 WordOpt
 891     : Word[pass] { $$ = $pass; }
 892     | { $$ = NULL; }
 893     ;
 894 @end
 895 /* }}} */
 896 /* 11.8.1 Null Literals {{{ */
 897 NullLiteral
 898     : "null" { $$ = CYNew CYNull(); }
 899     ;
 900 /* }}} */
 901 /* 11.8.2 Boolean Literals {{{ */
 902 BooleanLiteral
 903     : "true" { $$ = CYNew CYTrue(); }
 904     | "false" { $$ = CYNew CYFalse(); }
 905     ;
 906 /* }}} */
 907 /* 11.8.5 Regular Expression Literals {{{ */
 908 RegularExpressionSlash
 909     : "/" { $$ = false; }
 910     | "/=" { $$ = true; }
 911     ;
 912
 913 RegularExpressionLiteral
 914     : RegularExpressionSlash[equals] { CYMPT(@$); driver.SetRegEx($equals); } RegularExpressionLiteral_[pass] { $$ = $pass; }
 915     ;
 916 /* }}} */
 917
 918 /* 11.9 Automatic Semicolon Insertion {{{ */
 919 StrictSemi
 920     : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
 921     ;
 922
 923 NewLineNot
 924     : LexNewLineOrNot ""
 925     ;
 926
 927 @begin C
 928 NewLineOpt
 929     : LexNewLineOrNot "\n"
 930     | NewLineNot
 931     ;
 932 @end
 933
 934 TerminatorSoft
 935     : LexNewLineOrNot "\n" StrictSemi
 936     | NewLineNot LexOf Terminator
 937     ;
 938
 939 @begin C
 940 TerminatorHard
 941     : ";"
 942     | error { if (yyla.type_get() != yyeof_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 943     ;
 944 @end
 945
 946 Terminator
 947     : ";"
 948     | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !driver.newline_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 949     ;
 950
 951 TerminatorOpt
 952     : ";"
 953     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 954     ;
 955 /* }}} */
 956
 957 /* 12.1 Identifiers {{{ */
 958 IdentifierReference
 959     : Identifier[pass] { $$ = CYNew CYVariable($pass); }
 960     | "yield" { $$ = CYNew CYVariable(CYNew CYIdentifier("yield")); }
 961     ;
 962
 963 BindingIdentifier
 964     : LexOf IdentifierNoOf[pass] { $$ = $pass; }
 965     | LexOf "!of" { $$ = CYNew CYIdentifier("of"); }
 966     | LexOf "yield" { $$ = CYNew CYIdentifier("yield"); }
 967     ;
 968
 969 BindingIdentifierOpt
 970     : BindingIdentifier[pass] { $$ = $pass; }
 971     | LexOf { $$ = NULL; }
 972     ;
 973
 974 LabelIdentifier
 975     : Identifier[pass] { $$ = $pass; }
 976     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 977     ;
 978
 979 IdentifierTypeNoOf
 980     : Identifier_[pass] { $$ = $pass; }
 981     | "abstract" { $$ = CYNew CYIdentifier("abstract"); }
 982     | "as" { $$ = CYNew CYIdentifier("as"); }
 983     | "await" { $$ = CYNew CYIdentifier("await"); }
 984     | "boolean" { $$ = CYNew CYIdentifier("boolean"); }
 985     | "byte" { $$ = CYNew CYIdentifier("byte"); }
 986     | "constructor" { $$ = CYNew CYIdentifier("constructor"); }
 987     | "each" { $$ = CYNew CYIdentifier("each"); }
 988     | "eval" { $$ = CYNew CYIdentifier("eval"); }
 989     | "final" { $$ = CYNew CYIdentifier("final"); }
 990     | "from" { $$ = CYNew CYIdentifier("from"); }
 991     | "get" { $$ = CYNew CYIdentifier("get"); }
 992     | "goto" { $$ = CYNew CYIdentifier("goto"); }
 993     | "implements" { $$ = CYNew CYIdentifier("implements"); }
 994     | "Infinity" { $$ = CYNew CYIdentifier("Infinity"); }
 995     | "interface" { $$ = CYNew CYIdentifier("interface"); }
 996     | "let" { $$ = CYNew CYIdentifier("let"); }
 997     | "!let" LexBind LexOf { $$ = CYNew CYIdentifier("let"); }
 998     | "native" { $$ = CYNew CYIdentifier("native"); }
 999     | "package" { $$ = CYNew CYIdentifier("package"); }
1000     | "private" { $$ = CYNew CYIdentifier("private"); }
1001     | "protected" { $$ = CYNew CYIdentifier("protected"); }
1002     | "__proto__" { $$ = CYNew CYIdentifier("__proto__"); }
1003     | "prototype" { $$ = CYNew CYIdentifier("prototype"); }
1004     | "public" { $$ = CYNew CYIdentifier("public"); }
1005     | "set" { $$ = CYNew CYIdentifier("set"); }
1006     | "synchronized" { $$ = CYNew CYIdentifier("synchronized"); }
1007     | "target" { $$ = CYNew CYIdentifier("target"); }
1008     | "throws" { $$ = CYNew CYIdentifier("throws"); }
1009     | "transient" { $$ = CYNew CYIdentifier("transient"); }
1010     | "typeid" { $$ = CYNew CYIdentifier("typeid"); }
1011     | "undefined" { $$ = CYNew CYIdentifier("undefined"); }
1012 @begin ObjectiveC
1013     | "bool" { $$ = CYNew CYIdentifier("bool"); }
1014     | "BOOL" { $$ = CYNew CYIdentifier("BOOL"); }
1015     | "id" { $$ = CYNew CYIdentifier("id"); }
1016     | "SEL" { $$ = CYNew CYIdentifier("SEL"); }
1017 @end
1018     ;
1019
1020 @begin C
1021 IdentifierType
1022     : IdentifierTypeNoOf[pass] { $$ = $pass; }
1023     | "of" { $$ = CYNew CYIdentifier("of"); }
1024     ;
1025
1026 IdentifierTypeOpt
1027     : IdentifierType[pass] { $$ = $pass; }
1028     | { $$ = NULL; }
1029     ;
1030 @end
1031
1032 IdentifierNoOf
1033     : IdentifierTypeNoOf
1034     | "char" { $$ = CYNew CYIdentifier("char"); }
1035     | "double" { $$ = CYNew CYIdentifier("double"); }
1036     | "float" { $$ = CYNew CYIdentifier("float"); }
1037     | "int" { $$ = CYNew CYIdentifier("int"); }
1038     | "__int128" { $$ = CYNew CYIdentifier("__int128"); }
1039     | "long" { $$ = CYNew CYIdentifier("long"); }
1040     | "short" { $$ = CYNew CYIdentifier("short"); }
1041     | "static" { $$ = CYNew CYIdentifier("static"); }
1042     | "volatile" { $$ = CYNew CYIdentifier("volatile"); }
1043 @begin C
1044     | "signed" { $$ = CYNew CYIdentifier("signed"); }
1045     | "unsigned" { $$ = CYNew CYIdentifier("unsigned"); }
1046 @end
1047 @begin ObjectiveC
1048     | "nil" { $$ = CYNew CYIdentifier("nil"); }
1049     | "NO" { $$ = CYNew CYIdentifier("NO"); }
1050     | "NULL" { $$ = CYNew CYIdentifier("NULL"); }
1051     | "YES" { $$ = CYNew CYIdentifier("YES"); }
1052 @end
1053     ;
1054
1055 Identifier
1056     : IdentifierNoOf[pass] { $$ = $pass; }
1057     | "of" { $$ = CYNew CYIdentifier("of"); }
1058     | "!of" { $$ = CYNew CYIdentifier("of"); }
1059     ;
1060 /* }}} */
1061 /* 12.2 Primary Expression {{{ */
1062 PrimaryExpression
1063     : "this" { $$ = CYNew CYThis(); }
1064     | IdentifierReference[pass] { $$ = $pass; }
1065     | Literal[pass] { $$ = $pass; }
1066     | ArrayLiteral[pass] { $$ = $pass; }
1067     | ObjectLiteral[pass] { $$ = $pass; }
1068     | FunctionExpression[pass] { $$ = $pass; }
1069     | ClassExpression[pass] { $$ = $pass; }
1070     | GeneratorExpression[pass] { $$ = $pass; }
1071     | RegularExpressionLiteral[pass] { $$ = $pass; }
1072     | TemplateLiteral[pass] { $$ = $pass; }
1073     | CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) CYERR(@cover, "invalid parenthetical"); $$ = $cover; }
1074     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
1075     ;
1076
1077 CoverParenthesizedExpressionAndArrowParameterList
1078     : "(" Expression[expression] ")" { $$ = CYNew CYParenthetical($expression); }
1079     | "(" LexOf ")" { $$ = NULL; }
1080     | "(" LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1081     | "(" Expression "," LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1082     ;
1083 /* }}} */
1084 /* 12.2.4 Literals {{{ */
1085 Literal
1086     : NullLiteral[pass] { $$ = $pass; }
1087     | BooleanLiteral[pass] { $$ = $pass; }
1088     | NumericLiteral[pass] { $$ = $pass; }
1089     | StringLiteral[pass] { $$ = $pass; }
1090     ;
1091 /* }}} */
1092 /* 12.2.5 Array Initializer {{{ */
1093 ArrayLiteral
1094     : "[" ElementListOpt[elements] "]" { $$ = CYNew CYArray($elements); }
1095     ;
1096
1097 ArrayElement
1098     : AssignmentExpression[value] { $$ = CYNew CYElementValue($value); }
1099     | LexOf "..." AssignmentExpression[values] { $$ = CYNew CYElementSpread($values); }
1100     ;
1101
1102 ElementList_
1103     : "," ElementListOpt[elements] { $$ = $elements; }
1104     | { $$ = NULL; }
1105     ;
1106
1107 ElementList
1108     : ArrayElement[element] ElementList_[next] { $$ = $element; $$->SetNext($next); }
1109     | LexOf "," ElementListOpt[next] { $$ = CYNew CYElementValue(NULL, $next); }
1110     ;
1111
1112 ElementListOpt
1113     : ElementList[pass] { $$ = $pass; }
1114     | LexOf { $$ = NULL; }
1115     ;
1116 /* }}} */
1117 /* 12.2.6 Object Initializer {{{ */
1118 ObjectLiteral
1119     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYObject($properties); }
1120     ;
1121
1122 PropertyDefinitionList_
1123     : "," PropertyDefinitionListOpt[properties] { $$ = $properties; }
1124     | { $$ = NULL; }
1125     ;
1126
1127 PropertyDefinitionList
1128     : PropertyDefinition[property] PropertyDefinitionList_[next] { $property->SetNext($next); $$ = $property; }
1129     ;
1130
1131 PropertyDefinitionListOpt
1132     : PropertyDefinitionList[properties] { $$ = $properties; }
1133     | { $$ = NULL; }
1134     ;
1135
1136 PropertyDefinition
1137     : IdentifierReference[value] { $$ = CYNew CYPropertyValue($value->name_, $value); }
1138     | CoverInitializedName[name] { CYNOT(@$); }
1139     | PropertyName[name] ":" AssignmentExpression[value] { $$ = CYNew CYPropertyValue($name, $value); }
1140     | MethodDefinition[pass] { $$ = $pass; }
1141     ;
1142
1143 PropertyName
1144     : LiteralPropertyName[pass] { $$ = $pass; }
1145     | ComputedPropertyName[pass] { $$ = $pass; }
1146     ;
1147
1148 LiteralPropertyName
1149     : IdentifierName[pass] { $$ = $pass; }
1150     | StringLiteral[pass] { $$ = $pass; }
1151     | NumericLiteral[pass] { $$ = $pass; }
1152     ;
1153
1154 ComputedPropertyName
1155     : "[" AssignmentExpression[expression] "]" { $$ = CYNew CYComputed($expression); }
1156     ;
1157
1158 CoverInitializedName
1159     : IdentifierReference Initializer
1160     ;
1161
1162 Initializer
1163     : "=" AssignmentExpression[initializer] { $$ = $initializer; }
1164     ;
1165
1166 InitializerOpt
1167     : Initializer[pass] { $$ = $pass; }
1168     | { $$ = NULL; }
1169     ;
1170 /* }}} */
1171 /* 12.2.9 Template Literals {{{ */
1172 TemplateLiteral
1173     : NoSubstitutionTemplate[string] { $$ = CYNew CYTemplate($string, NULL); }
1174     | TemplateHead[string] LexPushInOff TemplateSpans[spans] { $$ = CYNew CYTemplate($string, $spans); }
1175     ;
1176
1177 TemplateSpans
1178     : Expression[value] TemplateMiddle[string] TemplateSpans[spans] { $$ = CYNew CYSpan($value, $string, $spans); }
1179     | Expression[value] TemplateTail[string] LexPopIn { $$ = CYNew CYSpan($value, $string, NULL); }
1180     ;
1181 /* }}} */
1182
1183 /* 12.3 Left-Hand-Side Expressions {{{ */
1184 MemberAccess
1185     : "[" Expression[property] "]" { $$ = CYNew CYDirectMember(NULL, $property); }
1186     | "." IdentifierName[property] { $$ = CYNew CYDirectMember(NULL, CYNew CYString($property)); }
1187     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
1188     | TemplateLiteral { CYNOT(@$); }
1189     ;
1190
1191 MemberExpression
1192     : PrimaryExpression[pass] { $$ = $pass; }
1193     | MemberExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1194     | SuperProperty[pass] { $$ = $pass; }
1195     | MetaProperty { CYNOT(@$); }
1196     | "new" MemberExpression[constructor] Arguments[arguments] { $$ = CYNew cy::Syntax::New($constructor, $arguments); }
1197     ;
1198
1199 SuperProperty
1200     : Super "[" Expression[property] "]" { $$ = CYNew CYSuperAccess($property); }
1201     | Super "." IdentifierName[property] { $$ = CYNew CYSuperAccess(CYNew CYString($property)); }
1202     ;
1203
1204 MetaProperty
1205     : NewTarget
1206     ;
1207
1208 NewTarget
1209     : "new" "." "target"
1210     ;
1211
1212 NewExpression
1213     : MemberExpression[pass] { $$ = $pass; }
1214     | "new" NewExpression[expression] { $$ = CYNew cy::Syntax::New($expression, NULL); }
1215     ;
1216
1217 CallExpression_
1218     : MemberExpression[pass] { $$ = $pass; }
1219     | CallExpression[pass] { $$ = $pass; }
1220     ;
1221
1222 CallExpression
1223     : CallExpression_[function] Arguments[arguments] { if (!$function->Eval()) $$ = CYNew CYCall($function, $arguments); else $$ = CYNew CYEval($arguments); }
1224     | SuperCall[pass] { $$ = $pass; }
1225     | CallExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1226     ;
1227
1228 SuperCall
1229     : Super Arguments[arguments] { $$ = CYNew CYSuperCall($arguments); }
1230     ;
1231
1232 Arguments
1233     : "(" ArgumentListOpt[arguments] ")" { $$ = $arguments; }
1234     ;
1235
1236 ArgumentList_
1237     : "," ArgumentList[arguments] { $$ = $arguments; }
1238     | { $$ = NULL; }
1239     ;
1240
1241 ArgumentList
1242     : AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
1243     | LexOf "..." AssignmentExpression { CYNOT(@$); }
1244     ;
1245
1246 ArgumentListOpt
1247     : ArgumentList[pass] { $$ = $pass; }
1248     | LexOf { $$ = NULL; }
1249     ;
1250
1251 AccessExpression
1252     : NewExpression[pass] { $$ = $pass; }
1253     | CallExpression[pass] { $$ = $pass; }
1254     ;
1255
1256 LeftHandSideExpression
1257     : BracedExpression[pass] { $$ = $pass; }
1258 @begin C
1259     | IndirectExpression[pass] { $$ = $pass; }
1260 @end
1261     ;
1262 /* }}} */
1263 /* 12.4 Postfix Expressions {{{ */
1264 PostfixExpression
1265     : BracedExpression[pass] { $$ = $pass; }
1266     | AccessExpression[lhs] LexNewLineOrOpt "++" { $$ = CYNew CYPostIncrement($lhs); }
1267     | AccessExpression[lhs] LexNewLineOrOpt "--" { $$ = CYNew CYPostDecrement($lhs); }
1268     ;
1269 /* }}} */
1270 /* 12.5 Unary Operators {{{ */
1271 UnaryExpression_
1272     : "delete" UnaryExpression[rhs] { $$ = CYNew CYDelete($rhs); }
1273     | "void" UnaryExpression[rhs] { $$ = CYNew CYVoid($rhs); }
1274     | "typeof" UnaryExpression[rhs] { $$ = CYNew CYTypeOf($rhs); }
1275     | "++" UnaryExpression[rhs] { $$ = CYNew CYPreIncrement($rhs); }
1276     | "--" UnaryExpression[rhs] { $$ = CYNew CYPreDecrement($rhs); }
1277     | "+" UnaryExpression[rhs] { $$ = CYNew CYAffirm($rhs); }
1278     | "-" UnaryExpression[rhs] { $$ = CYNew CYNegate($rhs); }
1279     | "~" UnaryExpression[rhs] { $$ = CYNew CYBitwiseNot($rhs); }
1280     | "!" UnaryExpression[rhs] { $$ = CYNew CYLogicalNot($rhs); }
1281     ;
1282
1283 UnaryExpression
1284     : PostfixExpression[expression] { $$ = $expression; }
1285     | UnaryExpression_[pass] { $$ = $pass; }
1286     ;
1287 /* }}} */
1288 /* 12.6 Multiplicative Operators {{{ */
1289 MultiplicativeExpression
1290     : UnaryExpression[pass] { $$ = $pass; }
1291     | MultiplicativeExpression[lhs] "*" UnaryExpression[rhs] { $$ = CYNew CYMultiply($lhs, $rhs); }
1292     | MultiplicativeExpression[lhs] "/" UnaryExpression[rhs] { $$ = CYNew CYDivide($lhs, $rhs); }
1293     | MultiplicativeExpression[lhs] "%" UnaryExpression[rhs] { $$ = CYNew CYModulus($lhs, $rhs); }
1294     ;
1295 /* }}} */
1296 /* 12.7 Additive Operators {{{ */
1297 AdditiveExpression
1298     : MultiplicativeExpression[pass] { $$ = $pass; }
1299     | AdditiveExpression[lhs] "+" MultiplicativeExpression[rhs] { $$ = CYNew CYAdd($lhs, $rhs); }
1300     | AdditiveExpression[lhs] "-" MultiplicativeExpression[rhs] { $$ = CYNew CYSubtract($lhs, $rhs); }
1301     ;
1302 /* }}} */
1303 /* 12.8 Bitwise Shift Operators {{{ */
1304 ShiftExpression
1305     : AdditiveExpression[pass] { $$ = $pass; }
1306     | ShiftExpression[lhs] "<<" AdditiveExpression[rhs] { $$ = CYNew CYShiftLeft($lhs, $rhs); }
1307     | ShiftExpression[lhs] ">>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightSigned($lhs, $rhs); }
1308     | ShiftExpression[lhs] ">>>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightUnsigned($lhs, $rhs); }
1309     ;
1310 /* }}} */
1311 /* 12.9 Relational Operators {{{ */
1312 RelationalExpression
1313     : ShiftExpression[pass] { $$ = $pass; }
1314     | RelationalExpression[lhs] "<" ShiftExpression[rhs] { $$ = CYNew CYLess($lhs, $rhs); }
1315     | RelationalExpression[lhs] ">" ShiftExpression[rhs] { $$ = CYNew CYGreater($lhs, $rhs); }
1316     | RelationalExpression[lhs] "<=" ShiftExpression[rhs] { $$ = CYNew CYLessOrEqual($lhs, $rhs); }
1317     | RelationalExpression[lhs] ">=" ShiftExpression[rhs] { $$ = CYNew CYGreaterOrEqual($lhs, $rhs); }
1318     | RelationalExpression[lhs] "instanceof" ShiftExpression[rhs] { $$ = CYNew CYInstanceOf($lhs, $rhs); }
1319     | RelationalExpression[lhs] "in" ShiftExpression[rhs] { $$ = CYNew CYIn($lhs, $rhs); }
1320     ;
1321 /* }}} */
1322 /* 12.10 Equality Operators {{{ */
1323 EqualityExpression
1324     : RelationalExpression[pass] { $$ = $pass; }
1325     | EqualityExpression[lhs] "==" RelationalExpression[rhs] { $$ = CYNew CYEqual($lhs, $rhs); }
1326     | EqualityExpression[lhs] "!=" RelationalExpression[rhs] { $$ = CYNew CYNotEqual($lhs, $rhs); }
1327     | EqualityExpression[lhs] "===" RelationalExpression[rhs] { $$ = CYNew CYIdentical($lhs, $rhs); }
1328     | EqualityExpression[lhs] "!==" RelationalExpression[rhs] { $$ = CYNew CYNotIdentical($lhs, $rhs); }
1329     ;
1330 /* }}} */
1331 /* 12.11 Binary Bitwise Operators {{{ */
1332 BitwiseANDExpression
1333     : EqualityExpression[pass] { $$ = $pass; }
1334     | BitwiseANDExpression[lhs] "&" EqualityExpression[rhs] { $$ = CYNew CYBitwiseAnd($lhs, $rhs); }
1335     ;
1336
1337 BitwiseXORExpression
1338     : BitwiseANDExpression[pass] { $$ = $pass; }
1339     | BitwiseXORExpression[lhs] "^" BitwiseANDExpression[rhs] { $$ = CYNew CYBitwiseXOr($lhs, $rhs); }
1340     ;
1341
1342 BitwiseORExpression
1343     : BitwiseXORExpression[pass] { $$ = $pass; }
1344     | BitwiseORExpression[lhs] "|" BitwiseXORExpression[rhs] { $$ = CYNew CYBitwiseOr($lhs, $rhs); }
1345     ;
1346 /* }}} */
1347 /* 12.12 Binary Logical Operators {{{ */
1348 LogicalANDExpression
1349     : BitwiseORExpression[pass] { $$ = $pass; }
1350     | LogicalANDExpression[lhs] "&&" BitwiseORExpression[rhs] { $$ = CYNew CYLogicalAnd($lhs, $rhs); }
1351     ;
1352
1353 LogicalORExpression
1354     : LogicalANDExpression[pass] { $$ = $pass; }
1355     | LogicalORExpression[lhs] "||" LogicalANDExpression[rhs] { $$ = CYNew CYLogicalOr($lhs, $rhs); }
1356     ;
1357 /* }}} */
1358 /* 12.13 Conditional Operator ( ? : ) {{{ */
1359 @begin ObjectiveC
1360 ConditionalExpressionClassic
1361     : LogicalORExpression[pass] { $$ = $pass; }
1362     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpressionClassic[false] { $$ = CYNew CYCondition($test, $true, $false); }
1363     ;
1364 @end
1365
1366 ConditionalExpression
1367     : LogicalORExpression[pass] { $$ = $pass; }
1368     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpression[false] { $$ = CYNew CYCondition($test, $true, $false); }
1369     ;
1370 /* }}} */
1371 /* 12.14 Assignment Operators {{{ */
1372 LeftHandSideAssignment
1373     : LeftHandSideExpression[lhs] "=" { $$ = CYNew CYAssign($lhs, NULL); }
1374     | LeftHandSideExpression[lhs] "*=" { $$ = CYNew CYMultiplyAssign($lhs, NULL); }
1375     | LeftHandSideExpression[lhs] "/=" { $$ = CYNew CYDivideAssign($lhs, NULL); }
1376     | LeftHandSideExpression[lhs] "%=" { $$ = CYNew CYModulusAssign($lhs, NULL); }
1377     | LeftHandSideExpression[lhs] "+=" { $$ = CYNew CYAddAssign($lhs, NULL); }
1378     | LeftHandSideExpression[lhs] "-=" { $$ = CYNew CYSubtractAssign($lhs, NULL); }
1379     | LeftHandSideExpression[lhs] "<<=" { $$ = CYNew CYShiftLeftAssign($lhs, NULL); }
1380     | LeftHandSideExpression[lhs] ">>=" { $$ = CYNew CYShiftRightSignedAssign($lhs, NULL); }
1381     | LeftHandSideExpression[lhs] ">>>=" { $$ = CYNew CYShiftRightUnsignedAssign($lhs, NULL); }
1382     | LeftHandSideExpression[lhs] "&=" { $$ = CYNew CYBitwiseAndAssign($lhs, NULL); }
1383     | LeftHandSideExpression[lhs] "^=" { $$ = CYNew CYBitwiseXOrAssign($lhs, NULL); }
1384     | LeftHandSideExpression[lhs] "|=" { $$ = CYNew CYBitwiseOrAssign($lhs, NULL); }
1385     ;
1386
1387 @begin ObjectiveC
1388 AssignmentExpressionClassic
1389     : LexOf ConditionalExpressionClassic[pass] { $$ = $pass; }
1390     | LexOf LeftHandSideAssignment[assignment] AssignmentExpressionClassic[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1391     ;
1392 @end
1393
1394 AssignmentExpression
1395     : LexOf ConditionalExpression[pass] { $$ = $pass; }
1396     | LexOf YieldExpression[pass] { $$ = $pass; }
1397     | ArrowFunction[pass] { $$ = $pass; }
1398     | LexOf LeftHandSideAssignment[assignment] AssignmentExpression[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1399     ;
1400 /* }}} */
1401 /* 12.15 Comma Operator ( , ) {{{ */
1402 Expression
1403     : AssignmentExpression[pass] { $$ = $pass; }
1404     | Expression[expression] "," AssignmentExpression[next] { $$ = CYNew CYCompound($expression, $next); }
1405     ;
1406
1407 ExpressionOpt
1408     : Expression[pass] { $$ = $pass; }
1409     | LexOf { $$ = NULL; }
1410     ;
1411 /* }}} */
1412
1413 /* 13 Statements and Declarations {{{ */
1414 Statement__
1415     : BlockStatement[pass] { $$ = $pass; }
1416     | VariableStatement[pass] { $$ = $pass; }
1417     | EmptyStatement[pass] { $$ = $pass; }
1418     | IfStatement[pass] { $$ = $pass; }
1419     | BreakableStatement[pass] { $$ = $pass; }
1420     | ContinueStatement[pass] { $$ = $pass; }
1421     | BreakStatement[pass] { $$ = $pass; }
1422     | ReturnStatement[pass] { $$ = $pass; }
1423     | WithStatement[pass] { $$ = $pass; }
1424     | LabelledStatement[pass] { $$ = $pass; }
1425     | ThrowStatement[pass] { $$ = $pass; }
1426     | TryStatement[pass] { $$ = $pass; }
1427     | DebuggerStatement[pass] { $$ = $pass; }
1428     ;
1429
1430 Statement_
1431     : LexOf Statement__[pass] { $$ = $pass; }
1432     | ExpressionStatement[pass] { $$ = $pass; }
1433     ;
1434
1435 Statement
1436     : LexSetStatement LexLet Statement_[pass] { $$ = $pass; }
1437     ;
1438
1439 Declaration_
1440     : HoistableDeclaration[pass] { $$ = $pass; }
1441     | ClassDeclaration[pass] { $$ = $pass; }
1442     ;
1443
1444 Declaration
1445     : LexSetStatement LexLet LexOf Declaration_[pass] { $$ = $pass; }
1446     | LexSetStatement LexicalDeclaration[pass] { $$ = $pass; }
1447     ;
1448
1449 HoistableDeclaration
1450     : FunctionDeclaration[pass] { $$ = $pass; }
1451     | GeneratorDeclaration[pass] { $$ = $pass; }
1452     ;
1453
1454 BreakableStatement
1455     : IterationStatement[pass] { $$ = $pass; }
1456     | SwitchStatement[pass] { $$ = $pass; }
1457     ;
1458 /* }}} */
1459 /* 13.2 Block {{{ */
1460 BlockStatement
1461     : ";{" StatementListOpt[code] "}" { $$ = CYNew CYBlock($code); }
1462     ;
1463
1464 Block
1465     : "{" StatementListOpt[code] "}" { $$ = $code; }
1466     ;
1467
1468 StatementList
1469     : StatementListItem[statement] StatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1470     ;
1471
1472 StatementListOpt
1473     : StatementList[pass] { $$ = $pass; }
1474     | LexSetStatement LexLet LexOf { $$ = NULL; }
1475     ;
1476
1477 StatementListItem
1478     : Statement[pass] { $$ = $pass; }
1479     | Declaration[pass] { $$ = $pass; }
1480     ;
1481 /* }}} */
1482 /* 13.3 Let and Const Declarations {{{ */
1483 LexicalDeclaration_
1484     : LetOrConst[constant] BindingList[bindings] { $$ = CYNew CYLexical($constant, $bindings); }
1485     ;
1486
1487 LexicalDeclaration
1488     : LexicalDeclaration_[statement] Terminator { $$ = $statement; }
1489     ;
1490
1491 LexLet
1492     : { CYMAP(_let__, _let_); }
1493     ;
1494
1495 LexOf
1496     : { CYMAP(_of__, _of_); }
1497     ;
1498
1499 LexBind
1500     : { CYMAP(OpenBrace_let, OpenBrace); CYMAP(OpenBracket_let, OpenBracket); }
1501     ;
1502
1503 LetOrConst
1504     : LexLet LexOf "!let" LexBind LexOf { $$ = false; }
1505     | LexLet LexOf "const" { $$ = true; }
1506     ;
1507
1508 BindingList_
1509     : "," LexBind BindingList[bindings] { $$ = $bindings; }
1510     | { $$ = NULL; }
1511     ;
1512
1513 BindingList
1514     : LexicalBinding[binding] BindingList_[next] { $$ = CYNew CYBindings($binding, $next); }
1515     ;
1516
1517 LexicalBinding
1518     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1519     | LexOf BindingPattern Initializer { CYNOT(@$); }
1520     ;
1521 /* }}} */
1522 /* 13.3.2 Variable Statement {{{ */
1523 VariableStatement_
1524     : Var_ VariableDeclarationList[bindings] { $$ = CYNew CYVar($bindings); }
1525     ;
1526
1527 VariableStatement
1528     : VariableStatement_[statement] Terminator { $$ = $statement; }
1529     ;
1530
1531 VariableDeclarationList_
1532     : "," VariableDeclarationList[bindings] { $$ = $bindings; }
1533     | { $$ = NULL; }
1534     ;
1535
1536 VariableDeclarationList
1537     : LexBind VariableDeclaration[binding] VariableDeclarationList_[next] { $$ = CYNew CYBindings($binding, $next); }
1538     ;
1539
1540 VariableDeclaration
1541     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1542     | LexOf BindingPattern Initializer { CYNOT(@$); }
1543     ;
1544 /* }}} */
1545 /* 13.3.3 Destructuring Binding Patterns {{{ */
1546 BindingPattern
1547     : ObjectBindingPattern
1548     | ArrayBindingPattern
1549     ;
1550
1551 ObjectBindingPattern
1552     : "let {" BindingPropertyListOpt "}"
1553     ;
1554
1555 ArrayBindingPattern
1556     : "let [" BindingElementListOpt "]"
1557     ;
1558
1559 BindingPropertyList_
1560     : "," BindingPropertyListOpt
1561     |
1562     ;
1563
1564 BindingPropertyList
1565     : BindingProperty BindingPropertyList_
1566     ;
1567
1568 BindingPropertyListOpt
1569     : BindingPropertyList
1570     | LexOf
1571     ;
1572
1573 BindingElementList
1574     : BindingElementOpt[element] "," BindingElementListOpt[next]
1575     | BindingRestElement[element]
1576     | BindingElement[element]
1577     ;
1578
1579 BindingElementListOpt
1580     : BindingElementList[pass]
1581     | LexBind LexOf
1582     ;
1583
1584 BindingProperty
1585     : SingleNameBinding
1586     | LexOf PropertyName ":" BindingElement
1587     ;
1588
1589 BindingElement
1590     : LexBind SingleNameBinding[pass] { $$ = $pass; }
1591     | LexBind LexOf BindingPattern InitializerOpt[initializer] { CYNOT(@$); }
1592     ;
1593
1594 BindingElementOpt
1595     : BindingElement[pass]
1596     | LexBind LexOf
1597     ;
1598
1599 SingleNameBinding
1600     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1601     ;
1602
1603 BindingRestElement
1604     : LexBind LexOf "..." BindingIdentifier
1605     ;
1606 /* }}} */
1607 /* 13.4 Empty Statement {{{ */
1608 EmptyStatement
1609     : ";" { $$ = CYNew CYEmpty(); }
1610     ;
1611 /* }}} */
1612 /* 13.5 Expression Statement {{{ */
1613 ExpressionStatement_
1614     : Expression[expression] { $$ = CYNew CYExpress($[expression]); }
1615
1616 ExpressionStatement
1617     : ExpressionStatement_[statement] Terminator { $$ = $statement; }
1618     ;
1619 /* }}} */
1620 /* 13.6 The if Statement {{{ */
1621 ElseStatementOpt
1622     : "else" Statement[false] { $$ = $false; }
1623     | %prec "if" { $$ = NULL; }
1624     ;
1625
1626 IfStatement
1627     : "if" "(" Expression[test] ")" Statement[true] ElseStatementOpt[false] { $$ = CYNew CYIf($test, $true, $false); }
1628     ;
1629 /* }}} */
1630 /* 13.7 Iteration Statements {{{ */
1631 IterationStatement
1632     : "do" Statement[code] "while" "(" Expression[test] ")" TerminatorOpt { $$ = CYNew CYDoWhile($test, $code); }
1633     | "while" "(" Expression[test] ")" Statement[code] { $$ = CYNew CYWhile($test, $code); }
1634     | "for" "(" LexPushInOn ForStatementInitializer[initializer] LexPopIn ExpressionOpt[test] ";" ExpressionOpt[increment] ")" Statement[code] { $$ = CYNew CYFor($initializer, $test, $increment, $code); }
1635     | "for" "(" LexPushInOn LexLet LexOf Var_ LexBind BindingIdentifier[identifier] Initializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForInitialized(CYNew CYBinding($identifier, $initializer), $iterable, $code); }
1636     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForIn($initializer, $iterable, $code); }
1637     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "of" LexPopIn AssignmentExpression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
1638     ;
1639
1640 ForStatementInitializer
1641     : LexLet LexOf EmptyStatement[pass] { $$ = $pass; }
1642     | LexLet ExpressionStatement_[initializer] ";" { $$ = $initializer; }
1643     | LexLet LexOf VariableStatement_[initializer] ";" { $$ = $initializer; }
1644     | LexicalDeclaration_[initializer] ";" { $$ = $initializer; }
1645     ;
1646
1647 ForInStatementInitializer
1648     : LexLet LexOf BracedExpression[pass] { $$ = $pass; }
1649 @begin C
1650     | LexLet LexOf IndirectExpression[pass] { $$ = $pass; }
1651 @end
1652     | LexLet LexOf Var_ LexBind ForBinding[binding] { $$ = CYNew CYForVariable($binding); }
1653     | ForDeclaration[pass] { $$ = $pass; }
1654     ;
1655
1656 ForDeclaration
1657     : LetOrConst[constant] ForBinding[binding] { $$ = CYNew CYForLexical($constant, $binding); }
1658     ;
1659
1660 ForBinding
1661     : BindingIdentifier[identifier] { $$ = CYNew CYBinding($identifier, NULL); }
1662     | LexOf BindingPattern { CYNOT(@$); }
1663     ;
1664 /* }}} */
1665 /* 13.8 The continue Statement {{{ */
1666 ContinueStatement
1667     : "continue" TerminatorSoft { $$ = CYNew CYContinue(NULL); }
1668     | "continue" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYContinue($label); }
1669     ;
1670 /* }}} */
1671 /* 13.9 The break Statement {{{ */
1672 BreakStatement
1673     : "break" TerminatorSoft { $$ = CYNew CYBreak(NULL); }
1674     | "break" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYBreak($label); }
1675     ;
1676 /* }}} */
1677 /* 13.10 The return Statement {{{ */
1678 ReturnStatement
1679     : Return TerminatorSoft { $$ = CYNew CYReturn(NULL); }
1680     | Return NewLineNot Expression[value] Terminator { $$ = CYNew CYReturn($value); }
1681     ;
1682 /* }}} */
1683 /* 13.11 The with Statement {{{ */
1684 WithStatement
1685     : "with" "(" Expression[scope] ")" Statement[code] { $$ = CYNew CYWith($scope, $code); }
1686     ;
1687 /* }}} */
1688 /* 13.12 The switch Statement {{{ */
1689 SwitchStatement
1690     : "switch" "(" Expression[value] ")" CaseBlock[clauses] { $$ = CYNew CYSwitch($value, $clauses); }
1691     ;
1692
1693 CaseBlock
1694     : "{" CaseClausesOpt[clauses] "}" { $$ = $clauses; }
1695     ;
1696
1697 CaseClause
1698     : "case" Expression[value] ":" StatementListOpt[code] { $$ = CYNew CYClause($value, $code); }
1699     ;
1700
1701 CaseClausesOpt
1702     : CaseClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1703     | DefaultClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1704     | { $$ = NULL; }
1705     ;
1706
1707 // XXX: the standard makes certain you can only have one of these
1708 DefaultClause
1709     : "default" ":" StatementListOpt[code] { $$ = CYNew CYClause(NULL, $code); }
1710     ;
1711 /* }}} */
1712 /* 13.13 Labelled Statements {{{ */
1713 LabelledStatement
1714     : LabelIdentifier[name] ":" LabelledItem[statement] { $$ = CYNew CYLabel($name, $statement); }
1715     ;
1716
1717 LabelledItem
1718     : Statement[pass] { $$ = $pass; }
1719     | LexSetStatement LexLet LexOf FunctionDeclaration[pass] { $$ = $pass; }
1720     ;
1721 /* }}} */
1722 /* 13.14 The throw Statement {{{ */
1723 ThrowStatement
1724     : "throw"[throw] TerminatorSoft { CYERR(@throw, "throw without exception"); }
1725     | "throw" NewLineNot Expression[value] Terminator { $$ = CYNew cy::Syntax::Throw($value); }
1726     ;
1727 /* }}} */
1728 /* 13.15 The try Statement {{{ */
1729 TryStatement
1730     : "try" Block[code] Catch[catch] { $$ = CYNew cy::Syntax::Try($code, $catch, NULL); }
1731     | "try" Block[code] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, NULL, $finally); }
1732     | "try" Block[code] Catch[catch] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, $catch, $finally); }
1733     ;
1734
1735 Catch
1736     : "catch" "(" LexBind CatchParameter[name] ")" Block[code] { $$ = CYNew cy::Syntax::Catch($name, $code); }
1737     ;
1738
1739 Finally
1740     : "finally" Block[code] { $$ = CYNew CYFinally($code); }
1741     ;
1742
1743 CatchParameter
1744     : BindingIdentifier[pass] { $$ = $pass; }
1745     | LexOf BindingPattern { CYNOT(@$); }
1746     ;
1747 /* }}} */
1748 /* 13.16 The debugger Statement {{{ */
1749 DebuggerStatement
1750     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1751     ;
1752 /* }}} */
1753
1754 /* 14.1 Function Definitions {{{ */
1755 FunctionDeclaration
1756     : ";function" BindingIdentifier[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionStatement($name, $parameters, $code); }
1757     ;
1758
1759 FunctionExpression
1760     : "function" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionExpression($name, $parameters, $code); }
1761     ;
1762
1763 StrictFormalParameters
1764     : FormalParameters[pass] { $$ = $pass; }
1765     ;
1766
1767 FormalParameters
1768     : LexBind LexOf { $$ = NULL; }
1769     | FormalParameterList
1770     ;
1771
1772 FormalParameterList_
1773     : "," FormalParameterList[parameters] { $$ = $parameters; }
1774     | { $$ = NULL; }
1775     ;
1776
1777 FormalParameterList
1778     : FunctionRestParameter { CYNOT(@$); }
1779     | FormalParameter[binding] FormalParameterList_[next] { $$ = CYNew CYFunctionParameter($binding, $next); }
1780     ;
1781
1782 FunctionRestParameter
1783     : BindingRestElement
1784     ;
1785
1786 FormalParameter
1787     : BindingElement[pass] { $$ = $pass; }
1788     ;
1789
1790 FunctionBody
1791     : LexPushYieldOff FunctionStatementList[code] LexPopYield { $$ = $code; }
1792     ;
1793
1794 FunctionStatementList
1795     : LexPushReturnOn StatementListOpt[code] LexPopReturn { $$ = $code; }
1796     ;
1797 /* }}} */
1798 /* 14.2 Arrow Function Definitions {{{ */
1799 ArrowFunction
1800     : ArrowParameters[parameters] LexNewLineOrOpt "=>" LexNoBrace ConciseBody[code] { $$ = CYNew CYFatArrow($parameters, $code); }
1801     ;
1802
1803 ArrowParameters
1804     : BindingIdentifier[identifier] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier)); }
1805     | LexOf CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) $$ = NULL; else { $$ = $cover->expression_->Parameter(); if ($$ == NULL) CYERR(@cover, "invalid parameter list"); } }
1806     ;
1807
1808 ConciseBody
1809     : AssignmentExpression[expression] { $$ = CYNew CYReturn($expression); }
1810     | LexOf ";{" FunctionBody[code] "}" { $$ = $code; }
1811     ;
1812 /* }}} */
1813 /* 14.3 Method Definitions {{{ */
1814 MethodDefinition
1815     : PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyMethod($name, $parameters, $code); }
1816     | GeneratorMethod[pass] { $$ = $pass; }
1817     | "get" PropertyName[name] "(" ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyGetter($name, $code); }
1818     | "set" PropertyName[name] "(" PropertySetParameterList[parameter] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertySetter($name, $parameter, $code); }
1819     ;
1820
1821 PropertySetParameterList
1822     : FormalParameter[binding] { $$ = CYNew CYFunctionParameter($binding); }
1823     ;
1824 /* }}} */
1825 /* 14.4 Generator Function Definitions {{{ */
1826 GeneratorMethod
1827     : "*" PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorMethod($name, $parameters, $code); */ }
1828     ;
1829
1830 GeneratorDeclaration
1831     : ";function" LexOf "*" BindingIdentifier[name] "(" FormalParameters[code] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorStatement($name, $parameters, $code); */ }
1832     ;
1833
1834 GeneratorExpression
1835     : "function" LexOf "*" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorExpression($name, $parameters, $code); */ }
1836     ;
1837
1838 GeneratorBody
1839     : LexPushYieldOn FunctionStatementList[code] LexPopYield { $$ = $code; }
1840     ;
1841
1842 YieldExpression
1843     : "!yield" LexNewLineOrNot "\n" LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ }
1844     | "!yield" LexNewLineOrNot "" LexNoStar LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ } %prec "!yield"
1845     | "!yield" LexNewLineOrNot "" LexNoStar AssignmentExpression[value] { CYNOT(@$); /* $$ = CYNew CYYieldValue($value); */ }
1846     | "!yield" LexNewLineOrNot "" LexNoStar LexOf "yield *" AssignmentExpression[generator] { CYNOT(@$); /* $$ = CYNew CYYieldGenerator($generator); */ }
1847     ;
1848 /* }}} */
1849 /* 14.5 Class Definitions {{{ */
1850 ClassDeclaration
1851     : ";class" BindingIdentifier[name] ClassTail[tail] { $$ = CYNew CYClassStatement($name, $tail); }
1852     ;
1853
1854 ClassExpression
1855     : "class" BindingIdentifierOpt[name] ClassTail[tail] { $$ = CYNew CYClassExpression($name, $tail); }
1856     ;
1857
1858 ClassTail
1859     : ClassHeritageOpt[tail] { driver.class_.push($tail); } "{" LexPushSuperOn ClassBodyOpt "}" LexPopSuper { driver.class_.pop(); $$ = $tail; }
1860     ;
1861
1862 ClassHeritage
1863     : "extends" AccessExpression[extends] { $$ = CYNew CYClassTail($extends); }
1864     ;
1865
1866 ClassHeritageOpt
1867     : ClassHeritage[pass] { $$ = $pass; }
1868     | { $$ = CYNew CYClassTail(NULL); }
1869     ;
1870
1871 ClassBody
1872     : ClassElementList
1873     ;
1874
1875 ClassBodyOpt
1876     : ClassBody
1877     |
1878     ;
1879
1880 ClassElementList
1881     : ClassElementListOpt ClassElement
1882     ;
1883
1884 ClassElementListOpt
1885     : ClassElementList
1886     |
1887     ;
1888
1889 ClassElement
1890     : MethodDefinition[method] { if (CYFunctionExpression *constructor = $method->Constructor()) driver.class_.top()->constructor_ = constructor; else driver.class_.top()->instance_->*$method; }
1891     | "static" MethodDefinition[method] { driver.class_.top()->static_->*$method; }
1892     | ";"
1893     ;
1894 /* }}} */
1895
1896 /* 15.1 Scripts {{{ */
1897 Script
1898     : ScriptBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1899     ;
1900
1901 ScriptBody
1902     : StatementList[pass] { $$ = $pass; }
1903     ;
1904
1905 ScriptBodyOpt
1906     : ScriptBody[pass] { $$ = $pass; }
1907     | LexSetStatement LexLet LexOf { $$ = NULL; }
1908     ;
1909 /* }}} */
1910 /* 15.2 Modules {{{ */
1911 Module
1912     : ModuleBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1913     ;
1914
1915 ModuleBody
1916     : ModuleItemList[pass] { $$ = $pass; }
1917     ;
1918
1919 ModuleBodyOpt
1920     : ModuleBody[pass] { $$ = $pass; }
1921     | LexSetStatement LexLet LexOf { $$ = NULL; }
1922     ;
1923
1924 ModuleItemList
1925     : ModuleItem[statement] ModuleItemListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1926     ;
1927
1928 ModuleItemListOpt
1929     : ModuleItemList[pass] { $$ = $pass; }
1930     | LexSetStatement LexLet LexOf { $$ = NULL; }
1931     ;
1932
1933 ModuleItem
1934     : LexSetStatement LexLet LexOf ImportDeclaration[pass] { $$ = $pass; }
1935     | LexSetStatement LexLet LexOf ExportDeclaration { CYNOT(@$); }
1936     | StatementListItem[pass] { $$ = $pass; }
1937     ;
1938 /* }}} */
1939 /* 15.2.2 Imports {{{ */
1940 ImportDeclaration
1941     : "import" ImportClause[specifiers] FromClause[module] Terminator { $$ = CYNew CYImportDeclaration($specifiers, $module); }
1942     | "import" LexOf ModuleSpecifier[module] Terminator { $$ = CYNew CYImportDeclaration(NULL, $module); }
1943     ;
1944
1945 ImportClause
1946     : ImportedDefaultBinding[default] { $$ = $default; }
1947     | LexOf NameSpaceImport[pass] { $$ = $pass; }
1948     | LexOf NamedImports[pass] { $$ = $pass; }
1949     | ImportedDefaultBinding[default] "," NameSpaceImport[next] { $$ = $default; CYSetLast($$) = $next; }
1950     | ImportedDefaultBinding[default] "," NamedImports[next] { $$ = $default; CYSetLast($$) = $next; }
1951     ;
1952
1953 ImportedDefaultBinding
1954     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(CYNew CYIdentifier("default"), $binding); }
1955     ;
1956
1957 NameSpaceImport
1958     : "*" "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(NULL, $binding); }
1959     ;
1960
1961 NamedImports
1962     : "{" ImportsListOpt[pass] "}" { $$ = $pass; }
1963     ;
1964
1965 FromClause
1966     : "from" ModuleSpecifier[pass] { $$ = $pass; }
1967     ;
1968
1969 ImportsList_
1970     : "," ImportsListOpt[pass] { $$ = $pass; }
1971     | { $$ = NULL; }
1972     ;
1973
1974 ImportsList
1975     : ImportSpecifier[import] ImportsList_[next] { $$ = $import; CYSetLast($$) = $next; }
1976     ;
1977
1978 ImportsListOpt
1979     : ImportsList[pass] { $$ = $pass; }
1980     | LexOf { $$ = NULL; }
1981     ;
1982
1983 ImportSpecifier
1984     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($binding, $binding); }
1985     | LexOf IdentifierName[name] "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($name, $binding); }
1986     ;
1987
1988 ModuleSpecifier
1989     : StringLiteral[pass] { $$ = $pass; }
1990     ;
1991
1992 ImportedBinding
1993     : BindingIdentifier[pass] { $$ = $pass; }
1994     ;
1995 /* }}} */
1996 /* 15.2.3 Exports {{{ */
1997 ExportDeclaration_
1998     : "*" FromClause Terminator
1999     | ExportClause FromClause Terminator
2000     | ExportClause Terminator
2001     | VariableStatement
2002     | "default" LexSetStatement LexOf HoistableDeclaration
2003     | "default" LexSetStatement LexOf ClassDeclaration
2004     | "default" LexSetStatement AssignmentExpression Terminator
2005     ;
2006
2007 ExportDeclaration
2008     : "export" LexSetStatement LexLet LexOf ExportDeclaration_
2009     | "export" Declaration
2010     ;
2011
2012 ExportClause
2013     : ";{" ExportsListOpt "}"
2014     ;
2015
2016 ExportsList_
2017     : "," ExportsListOpt
2018     |
2019     ;
2020
2021 ExportsList
2022     : ExportSpecifier ExportsList_
2023     ;
2024
2025 ExportsListOpt
2026     : ExportsList
2027     |
2028     ;
2029
2030 ExportSpecifier
2031     : IdentifierName
2032     | IdentifierName "as" IdentifierName
2033     ;
2034 /* }}} */
2035
2036 @begin C
2037 /* Cycript (C): Type Encoding {{{ */
2038 TypeSignifier
2039     : IdentifierType[name] { $$ = CYNew CYTypedName(@name, $name); }
2040     | StringLiteral[name] { $$ = CYNew CYTypedName(@name, $name); }
2041     | NumericLiteral[name] { $$ = CYNew CYTypedName(@name, $name); }
2042     | "(" "*" TypeQualifierRightOpt[typed] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2043     ;
2044
2045 TypeSignifierNone
2046     : { $$ = CYNew CYTypedName(@$); }
2047     ;
2048
2049 TypeSignifierOpt
2050     : TypeSignifier[pass] { $$ = $pass; }
2051     | TypeSignifierNone[pass] { $$ = $pass; }
2052     ;
2053
2054 ParameterTail
2055     : TypedParameterListOpt[formal] ")" { $$ = CYNew CYTypeFunctionWith($formal->variadic_, $formal->parameters_); }
2056     ;
2057
2058 SuffixedType
2059     : SuffixedTypeOpt[typed] "[" AssignmentExpression[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
2060     | "(" "^" TypeQualifierRightOpt[typed] ")" "(" TypedParameters[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeBlockWith($parameters, $$->modifier_); }
2061     | TypeSignifier[typed] "(" ParameterTail[modifier] { $$ = $typed; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2062     | "("[parenthesis] ParameterTail[modifier] { $$ = CYNew CYTypedName(@parenthesis); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2063     ;
2064
2065 SuffixedTypeOpt
2066     : SuffixedType[pass] { $$ = $pass; }
2067     | TypeSignifierOpt[pass] { $$ = $pass; }
2068     ;
2069
2070 PrefixedType
2071     : "*" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2072     ;
2073
2074 TypeQualifierLeft
2075     : "const" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeConstant(); }
2076     | "volatile" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeVolatile(); }
2077     ;
2078
2079 TypeQualifierLeftOpt
2080     : TypeQualifierLeft[pass] { $$ = $pass; }
2081     | { $$ = NULL; }
2082     ;
2083
2084 TypeQualifierRight
2085     : SuffixedType[pass] { $$ = $pass; }
2086     | PrefixedType[pass] { $$ = $pass; }
2087     | "const" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
2088     | "volatile" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
2089     ;
2090
2091 TypeQualifierRightOpt
2092     : TypeQualifierRight[pass] { $$ = $pass; }
2093     | TypeSignifierOpt[pass] { $$ = $pass; }
2094     ;
2095
2096 IntegerType
2097     : "int" { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2098     | "unsigned" IntegerTypeOpt[integral] { $$ = $integral->Unsigned(); if ($$ == NULL) CYERR(@1, "incompatible unsigned"); }
2099     | "signed" IntegerTypeOpt[integral] { $$ = $integral->Signed(); if ($$ == NULL) CYERR(@1, "incompatible signed"); }
2100     | "long" IntegerTypeOpt[integral] { $$ = $integral->Long(); if ($$ == NULL) CYERR(@1, "incompatible long"); }
2101     | "short" IntegerTypeOpt[integral] { $$ = $integral->Short(); if ($$ == NULL) CYERR(@1, "incompatible short"); }
2102     ;
2103
2104 IntegerTypeOpt
2105     : IntegerType[pass] { $$ = $pass; }
2106     | { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2107     ;
2108
2109 StructFieldListOpt
2110     : TypedIdentifierField[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $typed->name_, $next); }
2111     | { $$ = NULL; }
2112     ;
2113
2114 IntegerNumber
2115     : NumericLiteral[pass] { $$ = $pass; }
2116     | "-" NumericLiteral[positive] { $$ = $positive; $$->value_ = -$$->value_; }
2117     ;
2118
2119 EnumConstantListOpt_
2120     : "," EnumConstantListOpt[pass] { $$ = $pass; }
2121     | { $$ = NULL; }
2122     ;
2123
2124 EnumConstantListOpt
2125     : IdentifierType[name] "=" IntegerNumber[value] EnumConstantListOpt_[next] { $$ = CYNew CYEnumConstant($name, $value, $next); }
2126     | { $$ = NULL; }
2127     ;
2128
2129 TypeSigning
2130     : { $$ = CYTypeNeutral; }
2131     | "signed" { $$ = CYTypeSigned; }
2132     | "unsigned" { $$ = CYTypeUnsigned; }
2133     ;
2134
2135 PrimitiveType
2136     : IdentifierType[name] { $$ = CYNew CYTypeVariable($name); }
2137     | IntegerType[pass] { $$ = $pass; }
2138     | TypeSigning[signing] "char" { $$ = CYNew CYTypeCharacter($signing); }
2139     | TypeSigning[signing] "__int128" { $$ = CYNew CYTypeInt128($signing); }
2140     | "float" { $$ = CYNew CYTypeFloating(0); }
2141     | "double" { $$ = CYNew CYTypeFloating(1); }
2142     | "long" "double" { $$ = CYNew CYTypeFloating(2); }
2143     | "void" { $$ = CYNew CYTypeVoid(); }
2144     ;
2145
2146 PrimitiveReference
2147     : PrimitiveType[pass] { $$ = $pass; }
2148     | "struct" IdentifierType[name] { $$ = CYNew CYTypeReference(CYTypeReferenceStruct, $name); }
2149     | "enum" IdentifierType[name] { $$ = CYNew CYTypeReference(CYTypeReferenceEnum, $name); }
2150     | "struct" AutoComplete { driver.mode_ = CYDriver::AutoStruct; YYACCEPT; }
2151     | "enum" AutoComplete { driver.mode_ = CYDriver::AutoEnum; YYACCEPT; }
2152     ;
2153
2154 TypedIdentifierMaybe
2155     : TypeQualifierLeftOpt[modifier] PrimitiveReference[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2156     ;
2157
2158 TypedIdentifierYes
2159     : TypedIdentifierMaybe[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
2160     ;
2161
2162 TypedIdentifierNo
2163     : TypedIdentifierMaybe[typed] { if ($typed->name_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
2164     ;
2165
2166 TypedIdentifierTagged
2167     : TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2168     | TypeQualifierLeftOpt[modifier] "enum" ":" PrimitiveType[specifier] "{" EnumConstantListOpt[constants] "}" TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeEnum(NULL, $specifier, $constants); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2169     ;
2170
2171 TypedIdentifierField
2172     : TypedIdentifierYes[pass] { $$ = $pass; }
2173     | TypedIdentifierTagged[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
2174     ;
2175
2176 TypedIdentifierEncoding
2177     : TypedIdentifierNo[pass] { $$ = $pass; }
2178     | TypedIdentifierTagged[typed] { if ($typed->name_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
2179     ;
2180
2181 TypedIdentifierDefinition
2182     : TypedIdentifierYes[pass] { $$ = $pass; }
2183     | TypeQualifierLeftOpt[modifier] "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->name_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct($name, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2184     ;
2185
2186 PrimaryExpression
2187     : "@encode" "(" TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYEncodedType($typed); }
2188     ;
2189 /* }}} */
2190 @end
2191
2192 @begin ObjectiveC
2193 /* Cycript (Objective-C): @class Declaration {{{ */
2194 ClassSuperOpt
2195     /* XXX: why the hell did I choose MemberExpression? */
2196     : ":" MemberExpression[extends] { $$ = $extends; }
2197     | { $$ = NULL; }
2198     ;
2199
2200 ImplementationFieldListOpt
2201     : TypedIdentifierField[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $typed->name_, $next); }
2202     | { $$ = NULL; }
2203     ;
2204
2205 MessageScope
2206     : "+" { $$ = false; }
2207     | "-" { $$ = true; }
2208     ;
2209
2210 TypeOpt
2211     : "(" TypedIdentifierNo[type] ")" { $$ = $type; }
2212     | { $$ = CYNew CYType(CYNew CYTypeVariable("id")); }
2213     ;
2214
2215 MessageParameter
2216     : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $$ = CYNew CYMessageParameter($tag, $type, $identifier); }
2217     ;
2218
2219 MessageParameterList
2220     : MessageParameter[parameter] MessageParameterListOpt[next] { $parameter->SetNext($next); $$ = $parameter; }
2221     ;
2222
2223 MessageParameterListOpt
2224     : MessageParameterList[pass] { $$ = $pass; }
2225     | TypedParameterList_[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); /*XXX*/ if ($formal->parameters_ != NULL) CYERR(@$, "temporarily unsupported"); $$ = NULL; }
2226     ;
2227
2228 MessageParameters
2229     : MessageParameterList[pass] { $$ = $pass; }
2230     | Word[tag] { $$ = CYNew CYMessageParameter($tag); }
2231     ;
2232
2233 ClassMessageDeclaration
2234     : MessageScope[instance] TypeOpt[type] MessageParameters[parameters] "{" LexPushSuperOn FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYMessage($instance, $type, $parameters, $code); }
2235     ;
2236
2237 ClassMessageDeclarationListOpt
2238     : ClassMessageDeclarationListOpt[next] ClassMessageDeclaration[message] { $message->SetNext($next); $$ = $message; }
2239     | { $$ = NULL; }
2240     ;
2241
2242 // XXX: this should be AssignmentExpressionNoRight
2243 ClassProtocols
2244     : ShiftExpression[name] ClassProtocolsOpt[next] { $$ = CYNew CYProtocol($name, $next); }
2245     ;
2246
2247 ClassProtocolsOpt
2248     : "," ClassProtocols[protocols] { $$ = $protocols; }
2249     | { $$ = NULL; }
2250     ;
2251
2252 ClassProtocolListOpt
2253     : "<" ClassProtocols[protocols] ">" { $$ = $protocols; }
2254     | { $$ = NULL; }
2255     ;
2256
2257 ImplementationStatement
2258     : "@implementation" Identifier[name] ClassSuperOpt[extends] ClassProtocolListOpt[protocols] "{" ImplementationFieldListOpt[fields] "}" ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYImplementation($name, $extends, $protocols, $fields, $messages); }
2259     ;
2260
2261 CategoryName
2262     : "(" WordOpt ")"
2263     ;
2264
2265 CategoryStatement
2266     : "@implementation" Identifier[name] CategoryName ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYCategory($name, $messages); }
2267     ;
2268
2269 Statement__
2270     : ImplementationStatement[pass] { $$ = $pass; }
2271     | CategoryStatement[pass] { $$ = $pass; }
2272     ;
2273 /* }}} */
2274 /* Cycript (Objective-C): Send Message {{{ */
2275 VariadicCall
2276     : "," AssignmentExpressionClassic[value] VariadicCall[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
2277     | { $$ = NULL; }
2278     ;
2279
2280 SelectorWordOpt
2281     : WordOpt[name] { driver.contexts_.back().words_.push_back($name); } { $$ = $name; }
2282     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
2283     ;
2284
2285 SelectorCall_
2286     : SelectorCall[pass] { $$ = $pass; }
2287     | VariadicCall[pass] { $$ = $pass; }
2288     ;
2289
2290 SelectorCall
2291     : SelectorWordOpt[name] ":" AssignmentExpressionClassic[value] SelectorCall_[next] { $$ = CYNew CYArgument($name ?: CYNew CYWord(""), $value, $next); }
2292     ;
2293
2294 SelectorList
2295     : SelectorCall[pass] { $$ = $pass; }
2296     | Word[name] { $$ = CYNew CYArgument($name, NULL); }
2297     ;
2298
2299 MessageExpression
2300     : "[" AssignmentExpressionClassic[self] { driver.contexts_.push_back($self); } SelectorList[arguments] "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($self, $arguments); }
2301     | "[" LexOf "super" { driver.context_ = NULL; } SelectorList[arguments] "]" { $$ = CYNew CYSendSuper($arguments); }
2302     ;
2303
2304 SelectorExpression_
2305     : WordOpt[name] ":" SelectorExpressionOpt[next] { $$ = CYNew CYSelectorPart($name, true, $next); }
2306     ;
2307
2308 SelectorExpression
2309     : SelectorExpression_[pass] { $$ = $pass; }
2310     | Word[name] { $$ = CYNew CYSelectorPart($name, false, NULL); }
2311     ;
2312
2313 SelectorExpressionOpt
2314     : SelectorExpression_[pass] { $$ = $pass; }
2315     | { $$ = NULL; }
2316     ;
2317
2318 PrimaryExpression
2319     : MessageExpression[pass] { $$ = $pass; }
2320     | "@selector" "(" SelectorExpression[parts] ")" { $$ = CYNew CYSelector($parts); }
2321     ;
2322 /* }}} */
2323 @end
2324
2325 /* Cycript: @import Directive {{{ */
2326 ModulePath
2327     : ModulePath[next] "." Word[part] { $$ = CYNew CYModule($part, $next); }
2328     | Word[part] { $$ = CYNew CYModule($part); }
2329     ;
2330
2331 Declaration_
2332     : "@import" ModulePath[path] { $$ = CYNew CYImport($path); }
2333     ;
2334 /* }}} */
2335
2336 @begin ObjectiveC
2337 /* Cycript (Objective-C): Boxed Expressions {{{ */
2338 BoxableExpression
2339     : NullLiteral[pass] { $$ = $pass; }
2340     | BooleanLiteral[pass] { $$ = $pass; }
2341     | NumericLiteral[pass] { $$ = $pass; }
2342     | StringLiteral[pass] { $$ = $pass; }
2343     | CoverParenthesizedExpressionAndArrowParameterList[pass] { $$ = $pass; }
2344     | "YES" { $$ = CYNew CYTrue(); }
2345     | "NO" { $$ = CYNew CYFalse(); }
2346     ;
2347
2348 KeyValuePairList_
2349     : "," KeyValuePairListOpt[next] { $$ = $next; }
2350     | { $$ = NULL; }
2351
2352 KeyValuePairList
2353     : AssignmentExpression[key] ":" AssignmentExpression[value] KeyValuePairList_[next] { $$ = CYNew CYObjCKeyValue($key, $value, $next); }
2354     ;
2355
2356 KeyValuePairListOpt
2357     : KeyValuePairList[pass] { $$ = $pass; }
2358     | LexOf { $$ = NULL; }
2359     ;
2360
2361 PrimaryExpression
2362     : "@" BoxableExpression[expression] { $$ = CYNew CYBox($expression); }
2363     | "@" "[" ElementListOpt[elements] "]" { $$ = CYNew CYObjCArray($elements); }
2364     | "@" "{" KeyValuePairListOpt[pairs] "}" { $$ = CYNew CYObjCDictionary($pairs); }
2365
2366     | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); }
2367     | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); }
2368     | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); }
2369     | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); }
2370     | "@null" { $$ = CYNew CYBox(CYNew CYNull()); }
2371     ;
2372 /* }}} */
2373 /* Cycript (Objective-C): Block Expressions {{{ */
2374 PrimaryExpression
2375     : "^" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { if (CYTypeFunctionWith *function = $type->Function()) $$ = CYNew CYObjCBlock($type, function->parameters_, $code); else CYERR($type->location_, "expected parameters"); }
2376     ;
2377 /* }}} */
2378 /* Cycript (Objective-C): Instance Literals {{{ */
2379 PrimaryExpression
2380     : "#" NumericLiteral[address] { $$ = CYNew CYInstanceLiteral($address); }
2381     ;
2382 /* }}} */
2383 @end
2384
2385 @begin C
2386 /* Cycript (C): Pointer Indirection/Addressing {{{ */
2387 UnaryExpression_
2388     : IndirectExpression[pass] { $$ = $pass; }
2389     ;
2390
2391 IndirectExpression
2392     : "*" UnaryExpression[rhs] { $$ = CYNew CYIndirect($rhs); }
2393     ;
2394
2395 UnaryExpression_
2396     : "&" UnaryExpression[rhs] { $$ = CYNew CYAddressOf($rhs); }
2397     ;
2398
2399 MemberAccess
2400     : "->" "[" Expression[property] "]" { $$ = CYNew CYIndirectMember(NULL, $property); }
2401     | "->" IdentifierName[property] { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($property)); }
2402     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
2403     ;
2404 /* }}} */
2405 /* Cycript (C): Lambda Expressions {{{ */
2406 TypedParameterList_
2407     : "," TypedParameterList[parameters] { $$ = $parameters; }
2408     | { $$ = CYNew CYTypedFormal(false); }
2409     ;
2410
2411 TypedParameterList
2412     : TypedIdentifierMaybe[typed] TypedParameterList_[formal] { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = $formal; $$->parameters_ = CYNew CYTypedParameter($typed, identifier, $$->parameters_); }
2413     | "..." { $$ = CYNew CYTypedFormal(true); }
2414     ;
2415
2416 TypedParameterListOpt
2417     : TypedParameterList[pass] { $$ = $pass; }
2418     | { $$ = CYNew CYTypedFormal(false); }
2419     ;
2420
2421 TypedParameters
2422     : TypedParameterListOpt[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); $$ = $formal->parameters_; }
2423     ;
2424
2425 PrimaryExpression
2426     : "[" LexOf "&" "]" "(" TypedParameters[parameters] ")" "->" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { $$ = CYNew CYLambda($type, $parameters, $code); }
2427     ;
2428 /* }}} */
2429 /* Cycript (C): Structure Definitions {{{ */
2430 IdentifierNoOf
2431     : "struct" NewLineOpt { $$ = CYNew CYIdentifier("struct"); }
2432     ;
2433
2434 Statement__
2435     : "struct" NewLineNot IdentifierType[name] "{" StructFieldListOpt[fields] "}" { $$ = CYNew CYStructDefinition($name, CYNew CYStructTail($fields)); }
2436     ;
2437
2438 PrimaryExpression
2439     : "(" LexOf "struct" NewLineOpt IdentifierType[name] TypeQualifierRightOpt[typed] ")" { $typed->specifier_ = CYNew CYTypeReference(CYTypeReferenceStruct, $name); $$ = CYNew CYTypeExpression($typed); }
2440     | "(" LexOf "struct" NewLineOpt AutoComplete { driver.mode_ = CYDriver::AutoStruct; YYACCEPT; }
2441     ;
2442 /* }}} */
2443 /* Cycript (C): Type Definitions {{{ */
2444 IdentifierNoOf
2445     : "typedef" NewLineOpt { $$ = CYNew CYIdentifier("typedef"); }
2446     ;
2447
2448 TypeDefinition
2449     : "typedef" NewLineNot TypedIdentifierDefinition[typed] TerminatorHard { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = CYNew CYTypeDefinition($typed, identifier); }
2450     ;
2451
2452 Statement__
2453     : TypeDefinition[pass] { $$ = $pass; }
2454     ;
2455
2456 PrimaryExpression
2457     : "(" LexOf "typedef" NewLineOpt TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYTypeExpression($typed); }
2458     ;
2459 /* }}} */
2460 /* Cycript (C): extern "C" {{{ */
2461 IdentifierNoOf
2462     : "extern" NewLineOpt { $$ = CYNew CYIdentifier("extern"); }
2463     ;
2464
2465 ExternCStatement
2466     : TypedIdentifierField[typed] TerminatorHard { CYIdentifier *identifier; if ($typed->name_ == NULL) identifier = NULL; else { identifier = $typed->name_->Identifier(); if (identifier == NULL) CYERR($typed->location_, "invalid identifier"); } $$ = CYNew CYExternalDefinition(CYNew CYString("C"), $typed, identifier); }
2467     | TypeDefinition[pass] { $$ = $pass; }
2468     ;
2469
2470 ExternCStatementListOpt
2471     : ExternCStatement[statement] ExternCStatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
2472     | { $$ = NULL; }
2473     ;
2474
2475 ExternC
2476     : "{" ExternCStatementListOpt[pass] "}" { $$ = $pass; }
2477     | ExternCStatement[pass] { $$ = $pass; }
2478     ;
2479
2480 ABI
2481     : StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); }
2482     ;
2483
2484 Statement__
2485     : "extern" NewLineNot ABI[abi] ExternC[pass] { $$ = $pass; }
2486     ;
2487
2488 PrimaryExpression
2489     : "(" LexOf "extern" NewLineOpt ABI[abi] TypedIdentifierField[typed] ")" { $$ = CYNew CYExternalExpression(CYNew CYString("C"), $typed, $typed->name_); }
2490     ;
2491 /* }}} */
2492 @end
2493
2494 @begin E4X
2495 /* Lexer State {{{ */
2496 LexPushRegExp
2497     : { driver.PushCondition(CYDriver::RegExpCondition); }
2498     ;
2499
2500 LexPushXMLContent
2501     : { driver.PushCondition(CYDriver::XMLContentCondition); }
2502     ;
2503
2504 LexPushXMLTag
2505     : { driver.PushCondition(CYDriver::XMLTagCondition); }
2506     ;
2507
2508 LexPop
2509     : { driver.PopCondition(); }
2510     ;
2511
2512 LexSetXMLContent
2513     : { driver.SetCondition(CYDriver::XMLContentCondition); }
2514     ;
2515
2516 LexSetXMLTag
2517     : { driver.SetCondition(CYDriver::XMLTagCondition); }
2518     ;
2519 /* }}} */
2520 /* Virtual Tokens {{{ */
2521 XMLWhitespaceOpt
2522     : XMLWhitespace
2523     |
2524     ;
2525 /* }}} */
2526
2527 /* 8.1 Context Keywords {{{ */
2528 Identifier
2529     : "namespace" { $$ = CYNew CYIdentifier("namespace"); }
2530     | "xml" { $$ = CYNew CYIdentifier("xml"); }
2531     ;
2532 /* }}} */
2533 /* 8.3 XML Initializer Input Elements {{{ */
2534 XMLMarkup
2535     : XMLComment { $$ = $1; }
2536     | XMLCDATA { $$ = $1; }
2537     | XMLPI { $$ = $1; }
2538     ;
2539 /* }}} */
2540
2541 /* 11.1 Primary Expressions {{{ */
2542 PrimaryExpression
2543     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
2544     | XMLInitilizer { $$ = $1; }
2545     | XMLListInitilizer { $$ = $1; }
2546     ;
2547
2548 PropertyIdentifier
2549     : AttributeIdentifier { $$ = $1; }
2550     | QualifiedIdentifier { $$ = $1; }
2551     | WildcardIdentifier { $$ = $1; }
2552     ;
2553 /* }}} */
2554 /* 11.1.1 Attribute Identifiers {{{ */
2555 AttributeIdentifier
2556     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
2557     ;
2558
2559 PropertySelector_
2560     : PropertySelector { $$ = $1; }
2561     | "[" Expression "]" { $$ = CYNew CYSelector($2); }
2562     ;
2563
2564 PropertySelector
2565     : Identifier { $$ = CYNew CYSelector($1); }
2566     | WildcardIdentifier { $$ = $1; }
2567     ;
2568 /* }}} */
2569 /* 11.1.2 Qualified Identifiers {{{ */
2570 QualifiedIdentifier_
2571     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
2572     | QualifiedIdentifier { $$ = $1; }
2573     ;
2574
2575 QualifiedIdentifier
2576     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
2577     ;
2578 /* }}} */
2579 /* 11.1.3 Wildcard Identifiers {{{ */
2580 WildcardIdentifier
2581     : "*" { $$ = CYNew CYWildcard(); }
2582     ;
2583 /* }}} */
2584 /* 11.1.4 XML Initializer {{{ */
2585 XMLInitilizer
2586     : XMLMarkup { $$ = $1; }
2587     | XMLElement { $$ = $1; }
2588     ;
2589
2590 XMLElement
2591     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
2592     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
2593     ;
2594
2595 XMLTagContent
2596     : LexPushXMLTag XMLTagName XMLAttributes
2597     ;
2598
2599 XMLExpression
2600     : "{" LexPushRegExp Expression LexPop "}"
2601     ;
2602
2603 XMLTagName
2604     : XMLExpression
2605     | XMLName
2606     ;
2607
2608 XMLAttributes_
2609     : XMLAttributes_ XMLAttribute
2610     |
2611     ;
2612
2613 XMLAttributes
2614     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
2615     | XMLAttributes_ XMLWhitespaceOpt
2616     ;
2617
2618 XMLAttributeValue_
2619     : XMLExpression
2620     | XMLAttributeValue
2621     ;
2622
2623 XMLAttribute
2624     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
2625     ;
2626
2627 XMLElementContent
2628     : XMLExpression XMLElementContentOpt
2629     | XMLMarkup XMLElementContentOpt
2630     | XMLText XMLElementContentOpt
2631     | XMLElement XMLElementContentOpt
2632     ;
2633
2634 XMLElementContentOpt
2635     : XMLElementContent
2636     |
2637     ;
2638 /* }}} */
2639 /* 11.1.5 XMLList Initializer {{{ */
2640 XMLListInitilizer
2641     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
2642     ;
2643 /* }}} */
2644
2645 /* 11.2 Left-Hand-Side Expressions {{{ */
2646 PropertyIdentifier_
2647     : Identifier { $$ = $1; }
2648     | PropertyIdentifier { $$ = $1; }
2649     ;
2650
2651 MemberAccess
2652     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
2653     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
2654     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
2655     ;
2656 /* }}} */
2657 /* 12.1 The default xml namespace Statement {{{ */
2658 /* XXX: DefaultXMLNamespaceStatement
2659     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
2660     ;
2661
2662 Statement__
2663     : DefaultXMLNamespaceStatement { $$ = $1; }
2664     ; */
2665 /* }}} */
2666 @end
2667
2668 /* JavaScript FTL: Array Comprehensions {{{ */
2669 Comprehension
2670     : AssignmentExpression[expression] ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2671     ;
2672
2673 ComprehensionFor
2674     : "for" "each" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2675     ;
2676 /* }}} */
2677 /* JavaScript FTL: for each {{{ */
2678 IterationStatement
2679     : "for" "each" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
2680     ;
2681 /* }}} */
2682
2683 /* JavaScript FTW: Array Comprehensions {{{ */
2684 PrimaryExpression
2685     : ArrayComprehension
2686     ;
2687
2688 ArrayComprehension
2689     : "[" Comprehension[comprehension] "]" { $$ = $comprehension; }
2690     ;
2691
2692 Comprehension
2693     : LexOf ComprehensionFor[comprehension] ComprehensionTail[next] AssignmentExpression[expression] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2694     ;
2695
2696 ComprehensionTail
2697     : { $$ = NULL; }
2698     | ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2699     | ComprehensionIf[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2700     ;
2701
2702 ComprehensionFor
2703     : "for" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForInComprehension($binding, $iterable); }
2704     | "for" "(" LexPushInOn LexBind ForBinding[binding] "of" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2705     ;
2706
2707 ComprehensionIf
2708     : "if" "(" AssignmentExpression[test] ")" { $$ = CYNew CYIfComprehension($test); }
2709     ;
2710 /* }}} */
2711 /* JavaScript FTW: Named Arguments {{{ */
2712 ArgumentList
2713     : LexOf WordNoUnary[tag] ":" AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument($tag, $value, $next); }
2714     ;
2715 /* }}} */
2716 /* JavaScript FTW: Subscript Access {{{ */
2717 MemberAccess
2718     : "." "[" AssignmentExpression[property] "]" { $$ = CYNew CYSubscriptMember(NULL, $property); }
2719     ;
2720 /* }}} */
2721 /* JavaScript FTW: Undefined Monad {{{ */
2722 MemberAccess
2723     : "?." IdentifierName[property] { $$ = CYNew CYAttemptMember(NULL, CYNew CYString($property)); }
2724     | "?." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
2725     ;
2726 /* }}} */
2727
2728 /* JavaScript FTW: Java "Anonymous Inner Classes" {{{ */
2729 BracedParameter
2730     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYExtend(NULL, $properties); }
2731     ;
2732 /* }}} */
2733
2734 /* JavaScript FTW: Ruby Blocks {{{ */
2735 RubyProcParameterList_
2736     : "," RubyProcParameterList[parameters] { $$ = $parameters; }
2737     | { $$ = NULL; }
2738     ;
2739
2740 RubyProcParameterList
2741     : BindingIdentifier[identifier] RubyProcParameterList_[next] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier), $next); }
2742     | LexOf { $$ = NULL; }
2743     ;
2744
2745 RubyProcParameters
2746     : "|" RubyProcParameterList[parameters] "|" { $$ = $parameters; }
2747     | "||" { $$ = NULL; }
2748     ;
2749
2750 RubyProcParametersOpt
2751     : RubyProcParameters[pass] { $$ = $pass; }
2752     | { $$ = NULL; }
2753     ;
2754
2755 BracedParameter
2756     : ";{" RubyProcParametersOpt[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyBlock(NULL, CYNew CYRubyProc($parameters, $code)); }
2757     ;
2758
2759 PrimaryExpression
2760     : "{" RubyProcParameters[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2761     ;
2762
2763 BracedExpression_
2764     : AccessExpression[pass] LexNewLineOrOpt { $$ = $pass; }
2765     | BracedExpression_[lhs] { if (!$lhs->IsNew()) CYMAP(OpenBrace_, OpenBrace); } BracedParameter[rhs] LexNewLineOrOpt { $rhs->SetLeft($lhs); $$ = $rhs; }
2766     ;
2767
2768 BracedExpression
2769     : BracedExpression_[pass] "\n" { $$ = $pass; }
2770     | BracedExpression_[pass] { $$ = $pass; }
2771     ;
2772 /* }}} */
2773 /* JavaScript FTW: Ruby Scopes {{{ */
2774 MemberAccess
2775     : "::" "[" Expression[property] "]" { $$ = CYNew CYResolveMember(NULL, $property); }
2776     | "::" IdentifierName[property] { $$ = CYNew CYResolveMember(NULL, CYNew CYString($property)); }
2777     | "::" AutoComplete { driver.mode_ = CYDriver::AutoResolve; YYACCEPT; }
2778     ;
2779 /* }}} */
2780 /* JavaScript FTW: Ruby Symbols {{{ */
2781 PrimaryExpression
2782     : ":" Word[name] { $$ = CYNew CYSymbol($name->Word()); }
2783     ;
2784 /* }}} */
2785
2786 %%
2787
2788 bool CYDriver::Parse(CYMark mark) {
2789     mark_ = mark;
2790     CYLocal<CYPool> local(&pool_);
2791     cy::parser parser(*this);
2792 #ifdef YYDEBUG
2793     parser.set_debug_level(debug_);
2794 #endif
2795     return parser.parse() != 0;
2796 }
2797
2798 void CYDriver::Warning(const cy::parser::location_type &location, const char *message) {
2799     if (!strict_)
2800         return;
2801
2802     CYDriver::Error error;
2803     error.warning_ = true;
2804     error.location_ = location;
2805     error.message_ = message;
2806     errors_.push_back(error);
2807 }
2808
2809 void cy::parser::error(const cy::parser::location_type &location, const std::string &message) {
2810     CYDriver::Error error;
2811     error.warning_ = false;
2812     error.location_ = location;
2813     error.message_ = message;
2814     driver.errors_.push_back(error);
2815 }