Parser.ypp.in

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 %code top {
  23 #define YYSTACKEXPANDABLE 1
  24 }
  25
  26 %code requires {
  27 #include "Driver.hpp"
  28 #include "Parser.hpp"
  29 #include "Stack.hpp"
  30 #define CYNew new(driver.pool_)
  31
  32 @begin ObjectiveC
  33 #include "ObjectiveC/Syntax.hpp"
  34 @end
  35
  36 @begin E4X
  37 #include "E4X/Syntax.hpp"
  38 @end
  39
  40 #include "Highlight.hpp"
  41 }
  42
  43 %union { bool bool_; }
  44
  45 %union { CYMember *access_; }
  46 %union { CYArgument *argument_; }
  47 %union { CYAssignment *assignment_; }
  48 %union { CYBinding *binding_; }
  49 %union { CYBindings *bindings_; }
  50 %union { CYBoolean *boolean_; }
  51 %union { CYClause *clause_; }
  52 %union { cy::Syntax::Catch *catch_; }
  53 %union { CYClassTail *classTail_; }
  54 %union { CYComprehension *comprehension_; }
  55 %union { CYElement *element_; }
  56 %union { CYExpression *expression_; }
  57 %union { CYFalse *false_; }
  58 %union { CYVariable *variable_; }
  59 %union { CYFinally *finally_; }
  60 %union { CYForInitializer *for_; }
  61 %union { CYForInInitializer *forin_; }
  62 %union { CYFunctionParameter *functionParameter_; }
  63 %union { CYIdentifier *identifier_; }
  64 %union { CYImportSpecifier *import_; }
  65 %union { CYInfix *infix_; }
  66 %union { CYLiteral *literal_; }
  67 %union { CYMethod *method_; }
  68 %union { CYModule *module_; }
  69 %union { CYNull *null_; }
  70 %union { CYNumber *number_; }
  71 %union { CYParenthetical *parenthetical_; }
  72 %union { CYProperty *property_; }
  73 %union { CYPropertyName *propertyName_; }
  74 %union { CYRubyProc *rubyProc_; }
  75 %union { CYSpan *span_; }
  76 %union { CYStatement *statement_; }
  77 %union { CYString *string_; }
  78 %union { CYTarget *target_; }
  79 %union { CYThis *this_; }
  80 %union { CYTrue *true_; }
  81 %union { CYWord *word_; }
  82
  83 @begin C
  84 %union { CYTypeIntegral *integral_; }
  85 %union { CYTypeStructField *structField_; }
  86 %union { CYTypeModifier *modifier_; }
  87 %union { CYTypeSpecifier *specifier_; }
  88 %union { CYTypedFormal *typedFormal_; }
  89 %union { CYTypedIdentifier *typedIdentifier_; }
  90 %union { CYTypedParameter *typedParameter_; }
  91 @end
  92
  93 @begin ObjectiveC
  94 %union { CYObjCKeyValue *keyValue_; }
  95 %union { CYImplementationField *implementationField_; }
  96 %union { CYMessage *message_; }
  97 %union { CYMessageParameter *messageParameter_; }
  98 %union { CYProtocol *protocol_; }
  99 %union { CYSelectorPart *selector_; }
 100 @end
 101
 102 @begin E4X
 103 %union { CYAttribute *attribute_; }
 104 %union { CYPropertyIdentifier *propertyIdentifier_; }
 105 %union { CYSelector *selector_; }
 106 @end
 107
 108 %code provides {
 109
 110 struct YYSTYPE {
 111     cy::parser::semantic_type semantic_;
 112     hi::Value highlight_;
 113 };
 114
 115 int cylex(YYSTYPE *, CYLocation *, void *);
 116
 117 }
 118
 119 %code {
 120
 121 #undef yylex
 122
 123 typedef cy::parser::token tk;
 124
 125 _finline int cylex_(cy::parser::semantic_type *semantic, CYLocation *location, CYDriver &driver) {
 126     driver.newline_ = false;
 127   lex:
 128     YYSTYPE data;
 129     int token(cylex(&data, location, driver.scanner_));
 130     *semantic = data.semantic_;
 131
 132     switch (token) {
 133         case tk::OpenBrace:
 134         case tk::OpenBracket:
 135         case tk::OpenParen:
 136             driver.in_.push(false);
 137         break;
 138
 139         case tk::_in_:
 140             if (driver.in_.top())
 141                 token = tk::_in__;
 142         break;
 143
 144         case tk::CloseBrace:
 145         case tk::CloseBracket:
 146         case tk::CloseParen:
 147             driver.in_.pop();
 148         break;
 149
 150
 151         case tk::_yield_:
 152             if (driver.yield_.top())
 153                 token = tk::_yield__;
 154         break;
 155
 156         case tk::NewLine:
 157             driver.newline_ = true;
 158             goto lex;
 159         break;
 160     }
 161
 162     return token;
 163 }
 164
 165 #define yylex_(semantic, location, driver) ({ \
 166     int type; \
 167     if (driver.hold_ == cy::parser::empty_symbol) \
 168         type = yytranslate_(cylex_(semantic, location, driver)); \
 169     else { \
 170         type = driver.hold_; \
 171         driver.hold_ = cy::parser::empty_symbol; \
 172     } \
 173 type; })
 174
 175 #define CYLEX() do if (yyla.empty()) { \
 176     YYCDEBUG << "Mapping a token: "; \
 177     yyla.type = yylex_(&yyla.value, &yyla.location, driver); \
 178     YY_SYMBOL_PRINT("Next token is", yyla); \
 179 } while (false)
 180
 181 #define CYMAP(to, from) do { \
 182     CYLEX(); \
 183     if (yyla.type == yytranslate_(token::from)) \
 184         yyla.type = yytranslate_(token::to); \
 185 } while (false)
 186
 187 #define CYERR(location, message) do { \
 188     error(location, message); \
 189     YYABORT; \
 190 } while (false)
 191
 192 #define CYEOK() do { \
 193     yyerrok; \
 194     driver.errors_.pop_back(); \
 195 } while (false)
 196
 197 #define CYNOT(location) \
 198     CYERR(location, "unimplemented feature")
 199
 200 #define CYMPT(location) do { \
 201     if (!yyla.empty() && yyla.type_get() != yyeof_) \
 202         CYERR(location, "unexpected lookahead"); \
 203 } while (false)
 204
 205 }
 206
 207 %name-prefix "cy"
 208
 209 %language "C++"
 210
 211 %initial-action {
 212     @$.begin.filename = @$.end.filename = &driver.filename_;
 213
 214     switch (driver.mark_) {
 215         case CYMarkScript:
 216             driver.hold_ = yytranslate_(token::MarkScript);
 217             break;
 218         case CYMarkModule:
 219             driver.hold_ = yytranslate_(token::MarkModule);
 220             break;
 221     }
 222 };
 223
 224 %locations
 225 %defines
 226
 227 %define api.location.type { CYLocation }
 228
 229 //%glr-parser
 230 //%expect 1
 231
 232 %error-verbose
 233
 234 %param { CYDriver &driver }
 235
 236 /* Token Declarations {{{ */
 237 @begin E4X
 238 %token XMLCDATA
 239 %token XMLComment
 240 %token XMLPI
 241
 242 %token XMLAttributeValue
 243 %token XMLName
 244 %token XMLTagCharacters
 245 %token XMLText
 246 %token XMLWhitespace
 247 @end
 248
 249 @begin E4X
 250 %token LeftRight "<>"
 251 %token LeftSlashRight "</>"
 252
 253 %token SlashRight "/>"
 254 %token LeftSlash "</"
 255
 256 %token PeriodPeriod ".."
 257 @end
 258
 259 @begin E4X ObjectiveC
 260 %token At "@"
 261 %token Pound "#"
 262 @end
 263
 264 %token Ampersand "&"
 265 %token AmpersandAmpersand "&&"
 266 %token AmpersandEqual "&="
 267 %token Carrot "^"
 268 %token CarrotEqual "^="
 269 %token Equal "="
 270 %token EqualEqual "=="
 271 %token EqualEqualEqual "==="
 272 %token EqualRight "=>"
 273 %token Exclamation "!"
 274 %token ExclamationEqual "!="
 275 %token ExclamationEqualEqual "!=="
 276 %token Hyphen "-"
 277 %token HyphenEqual "-="
 278 %token HyphenHyphen "--"
 279 %token HyphenRight "->"
 280 %token Left "<"
 281 %token LeftEqual "<="
 282 %token LeftLeft "<<"
 283 %token LeftLeftEqual "<<="
 284 %token Percent "%"
 285 %token PercentEqual "%="
 286 %token Period "."
 287 %token PeriodPeriodPeriod "..."
 288 %token Pipe "|"
 289 %token PipeEqual "|="
 290 %token PipePipe "||"
 291 %token Plus "+"
 292 %token PlusEqual "+="
 293 %token PlusPlus "++"
 294 %token Right ">"
 295 %token RightEqual ">="
 296 %token RightRight ">>"
 297 %token RightRightEqual ">>="
 298 %token RightRightRight ">>>"
 299 %token RightRightRightEqual ">>>="
 300 %token Slash "/"
 301 %token SlashEqual "/="
 302 %token Star "*"
 303 %token StarEqual "*="
 304 %token Tilde "~"
 305
 306 %token Colon ":"
 307 %token ColonColon "::"
 308 %token Comma ","
 309 %token Question "?"
 310 %token SemiColon ";"
 311 %token NewLine "\n"
 312 %token __ ""
 313
 314 %token Comment
 315
 316 %token OpenParen "("
 317 %token CloseParen ")"
 318
 319 %token OpenBrace "{"
 320 %token OpenBrace_ ";{"
 321 %token OpenBrace_let "let {"
 322 %token CloseBrace "}"
 323
 324 %token OpenBracket "["
 325 %token OpenBracket_let "let ["
 326 %token CloseBracket "]"
 327
 328 %token At_error_ "@error"
 329
 330 @begin Java
 331 %token At_class_ "@class"
 332 @end
 333
 334 @begin C
 335 %token _typedef_ "typedef"
 336 %token _unsigned_ "unsigned"
 337 %token _signed_ "signed"
 338 %token _struct_ "struct"
 339 %token _extern_ "extern"
 340 @end
 341
 342 @begin C
 343 %token At_encode_ "@encode"
 344 @end
 345
 346 @begin ObjectiveC
 347 %token At_implementation_ "@implementation"
 348 %token At_import_ "@import"
 349 %token At_end_ "@end"
 350 %token At_selector_ "@selector"
 351 %token At_null_ "@null"
 352 %token At_YES_ "@YES"
 353 %token At_NO_ "@NO"
 354 %token At_true_ "@true"
 355 %token At_false_ "@false"
 356 %token _YES_ "YES"
 357 %token _NO_ "NO"
 358 @end
 359
 360 %token _false_ "false"
 361 %token _null_ "null"
 362 %token _true_ "true"
 363
 364 %token _as_ "as"
 365 %token _break_ "break"
 366 %token _case_ "case"
 367 %token _catch_ "catch"
 368 %token _class_ "class"
 369 %token _class__ ";class"
 370 %token _const_ "const"
 371 %token _continue_ "continue"
 372 %token _debugger_ "debugger"
 373 %token _default_ "default"
 374 %token _delete_ "delete"
 375 %token _do_ "do"
 376 %token _else_ "else"
 377 %token _enum_ "enum"
 378 %token _export_ "export"
 379 %token _extends_ "extends"
 380 %token _finally_ "finally"
 381 %token _for_ "for"
 382 %token _function_ "function"
 383 %token _function__ ";function"
 384 %token _if_ "if"
 385 %token _import_ "import"
 386 %token _in_ "in"
 387 %token _in__ "!in"
 388 %token _Infinity_ "Infinity"
 389 %token _instanceof_ "instanceof"
 390 %token _new_ "new"
 391 %token _return_ "return"
 392 %token _super_ "super"
 393 %token _switch_ "switch"
 394 %token _target_ "target"
 395 %token _this_ "this"
 396 %token _throw_ "throw"
 397 %token _try_ "try"
 398 %token _typeof_ "typeof"
 399 %token _var_ "var"
 400 %token _void_ "void"
 401 %token _while_ "while"
 402 %token _with_ "with"
 403
 404 %token _abstract_ "abstract"
 405 %token _await_ "await"
 406 %token _boolean_ "boolean"
 407 %token _byte_ "byte"
 408 %token _char_ "char"
 409 %token _constructor_ "constructor"
 410 %token _double_ "double"
 411 %token _eval_ "eval"
 412 %token _final_ "final"
 413 %token _float_ "float"
 414 %token _from_ "from"
 415 %token _get_ "get"
 416 %token _goto_ "goto"
 417 %token _implements_ "implements"
 418 %token _int_ "int"
 419 %token _interface_ "interface"
 420 %token _let_ "let"
 421 %token _let__ "!let"
 422 %token _long_ "long"
 423 %token _native_ "native"
 424 %token _package_ "package"
 425 %token _private_ "private"
 426 %token _protected_ "protected"
 427 %token ___proto___ "__proto__"
 428 %token _prototype_ "prototype"
 429 %token _public_ "public"
 430 %token ___restrict_ "__restrict"
 431 %token _restrict_ "restrict"
 432 %token _set_ "set"
 433 %token _short_ "short"
 434 %token _static_ "static"
 435 %token _synchronized_ "synchronized"
 436 %token _throws_ "throws"
 437 %token _transient_ "transient"
 438 %token _typeid_ "typeid"
 439 %token _volatile_ "volatile"
 440 %token _yield_ "yield"
 441 %token _yield__ "!yield"
 442
 443 %token _undefined_ "undefined"
 444
 445 @begin ObjectiveC
 446 %token _bool_ "bool"
 447 %token _BOOL_ "BOOL"
 448 %token _id_ "id"
 449 %token _nil_ "nil"
 450 %token _NULL_ "NULL"
 451 %token _SEL_ "SEL"
 452 @end
 453
 454 %token _each_ "each"
 455 %token _of_ "of"
 456 %token _of__ "!of"
 457
 458 @begin E4X
 459 %token _namespace_ "namespace"
 460 %token _xml_ "xml"
 461 @end
 462
 463 %token AutoComplete
 464 %token YieldStar "yield *"
 465
 466 %token <identifier_> Identifier_
 467 %token <number_> NumericLiteral
 468 %token <string_> StringLiteral
 469 %token <literal_> RegularExpressionLiteral_
 470
 471 %token <string_> NoSubstitutionTemplate
 472 %token <string_> TemplateHead
 473 %token <string_> TemplateMiddle
 474 %token <string_> TemplateTail
 475
 476 %type <target_> AccessExpression
 477 %type <expression_> AdditiveExpression
 478 %type <argument_> ArgumentList_
 479 %type <argument_> ArgumentList
 480 %type <argument_> ArgumentListOpt
 481 %type <argument_> Arguments
 482 %type <target_> ArrayComprehension
 483 %type <element_> ArrayElement
 484 %type <literal_> ArrayLiteral
 485 %type <expression_> ArrowFunction
 486 %type <functionParameter_> ArrowParameters
 487 %type <expression_> AssignmentExpression
 488 %type <identifier_> BindingIdentifier
 489 %type <identifier_> BindingIdentifierOpt
 490 %type <bindings_> BindingList_
 491 %type <bindings_> BindingList
 492 %type <expression_> BitwiseANDExpression
 493 %type <statement_> Block
 494 %type <statement_> BlockStatement
 495 %type <boolean_> BooleanLiteral
 496 %type <binding_> BindingElement
 497 %type <expression_> BitwiseORExpression
 498 %type <expression_> BitwiseXORExpression
 499 %type <statement_> BreakStatement
 500 %type <statement_> BreakableStatement
 501 %type <expression_> CallExpression_
 502 %type <target_> CallExpression
 503 %type <clause_> CaseBlock
 504 %type <clause_> CaseClause
 505 %type <clause_> CaseClausesOpt
 506 %type <catch_> Catch
 507 %type <identifier_> CatchParameter
 508 %type <statement_> ClassDeclaration
 509 %type <target_> ClassExpression
 510 %type <classTail_> ClassHeritage
 511 %type <classTail_> ClassHeritageOpt
 512 %type <classTail_> ClassTail
 513 %type <target_> Comprehension
 514 %type <comprehension_> ComprehensionFor
 515 %type <comprehension_> ComprehensionIf
 516 %type <comprehension_> ComprehensionTail
 517 %type <propertyName_> ComputedPropertyName
 518 %type <expression_> ConditionalExpression
 519 %type <statement_> ContinueStatement
 520 %type <statement_> ConciseBody
 521 %type <parenthetical_> CoverParenthesizedExpressionAndArrowParameterList
 522 %type <statement_> DebuggerStatement
 523 %type <statement_> Declaration_
 524 %type <statement_> Declaration
 525 %type <clause_> DefaultClause
 526 %type <element_> ElementList_
 527 %type <element_> ElementList
 528 %type <element_> ElementListOpt
 529 %type <statement_> ElseStatementOpt
 530 %type <for_> EmptyStatement
 531 %type <expression_> EqualityExpression
 532 %type <expression_> Expression
 533 %type <expression_> ExpressionOpt
 534 %type <for_> ExpressionStatement_
 535 %type <statement_> ExpressionStatement
 536 %type <statement_> ExternC
 537 %type <statement_> ExternCStatement
 538 %type <statement_> ExternCStatementListOpt
 539 %type <finally_> Finally
 540 %type <binding_> ForBinding
 541 %type <forin_> ForDeclaration
 542 %type <forin_> ForInStatementInitializer
 543 %type <for_> ForStatementInitializer
 544 %type <binding_> FormalParameter
 545 %type <functionParameter_> FormalParameterList_
 546 %type <functionParameter_> FormalParameterList
 547 %type <functionParameter_> FormalParameters
 548 %type <string_> FromClause
 549 %type <statement_> FunctionBody
 550 %type <statement_> FunctionDeclaration
 551 %type <target_> FunctionExpression
 552 %type <statement_> FunctionStatementList
 553 %type <statement_> GeneratorBody
 554 %type <statement_> GeneratorDeclaration
 555 %type <target_> GeneratorExpression
 556 %type <method_> GeneratorMethod
 557 %type <statement_> HoistableDeclaration
 558 %type <identifier_> Identifier
 559 %type <identifier_> IdentifierNoOf
 560 %type <identifier_> IdentifierType
 561 %type <identifier_> IdentifierTypeNoOf
 562 %type <identifier_> IdentifierTypeOpt
 563 %type <word_> IdentifierName
 564 %type <variable_> IdentifierReference
 565 %type <statement_> IfStatement
 566 %type <import_> ImportClause
 567 %type <statement_> ImportDeclaration
 568 %type <import_> ImportSpecifier
 569 %type <identifier_> ImportedBinding
 570 %type <import_> ImportedDefaultBinding
 571 %type <import_> ImportsList_
 572 %type <import_> ImportsList
 573 %type <import_> ImportsListOpt
 574 %type <target_> IndirectExpression
 575 %type <expression_> Initializer
 576 %type <expression_> InitializerOpt
 577 %type <statement_> IterationStatement
 578 %type <identifier_> LabelIdentifier
 579 %type <statement_> LabelledItem
 580 %type <statement_> LabelledStatement
 581 %type <assignment_> LeftHandSideAssignment
 582 %type <target_> LeftHandSideExpression
 583 %type <bool_> LetOrConst
 584 %type <binding_> LexicalBinding
 585 %type <for_> LexicalDeclaration_
 586 %type <statement_> LexicalDeclaration
 587 %type <literal_> Literal
 588 %type <propertyName_> LiteralPropertyName
 589 %type <expression_> LogicalANDExpression
 590 %type <expression_> LogicalORExpression
 591 %type <access_> MemberAccess
 592 %type <target_> MemberExpression
 593 %type <method_> MethodDefinition
 594 %type <statement_> ModuleBody
 595 %type <statement_> ModuleBodyOpt
 596 %type <statement_> ModuleItem
 597 %type <statement_> ModuleItemList
 598 %type <statement_> ModuleItemListOpt
 599 %type <module_> ModulePath
 600 %type <string_> ModuleSpecifier
 601 %type <expression_> MultiplicativeExpression
 602 %type <import_> NameSpaceImport
 603 %type <import_> NamedImports
 604 %type <target_> NewExpression
 605 %type <null_> NullLiteral
 606 %type <literal_> ObjectLiteral
 607 %type <expression_> PostfixExpression
 608 %type <target_> PrimaryExpression
 609 %type <propertyName_> PropertyName
 610 %type <property_> PropertyDefinition
 611 %type <property_> PropertyDefinitionList_
 612 %type <property_> PropertyDefinitionList
 613 %type <property_> PropertyDefinitionListOpt
 614 %type <functionParameter_> PropertySetParameterList
 615 %type <literal_> RegularExpressionLiteral
 616 %type <bool_> RegularExpressionSlash
 617 %type <expression_> RelationalExpression
 618 %type <statement_> ReturnStatement
 619 %type <target_> RubyBlockExpression_
 620 %type <target_> RubyBlockExpression
 621 %type <rubyProc_> RubyProcExpression
 622 %type <functionParameter_> RubyProcParameterList_
 623 %type <functionParameter_> RubyProcParameterList
 624 %type <functionParameter_> RubyProcParameters
 625 %type <functionParameter_> RubyProcParametersOpt
 626 %type <statement_> Script
 627 %type <statement_> ScriptBody
 628 %type <statement_> ScriptBodyOpt
 629 %type <expression_> ShiftExpression
 630 %type <binding_> SingleNameBinding
 631 %type <statement_> Statement__
 632 %type <statement_> Statement_
 633 %type <statement_> Statement
 634 %type <statement_> StatementList
 635 %type <statement_> StatementListOpt
 636 %type <statement_> StatementListItem
 637 %type <functionParameter_> StrictFormalParameters
 638 %type <target_> SuperCall
 639 %type <target_> SuperProperty
 640 %type <statement_> SwitchStatement
 641 %type <target_> TemplateLiteral
 642 %type <span_> TemplateSpans
 643 %type <statement_> ThrowStatement
 644 %type <statement_> TryStatement
 645 %type <statement_> TypeDefinition
 646 %type <expression_> UnaryExpression_
 647 %type <expression_> UnaryExpression
 648 %type <binding_> VariableDeclaration
 649 %type <bindings_> VariableDeclarationList_
 650 %type <bindings_> VariableDeclarationList
 651 %type <for_> VariableStatement_
 652 %type <statement_> VariableStatement
 653 %type <statement_> WithStatement
 654 %type <word_> Word
 655 %type <word_> WordNoUnary
 656 @begin ObjectiveC
 657 %type <word_> WordOpt
 658 @end
 659 %type <expression_> YieldExpression
 660
 661 @begin C
 662 %type <integral_> IntegerType
 663 %type <integral_> IntegerTypeOpt
 664 %type <typedIdentifier_> PrefixedType
 665 %type <specifier_> PrimitiveType
 666 %type <structField_> StructFieldListOpt
 667 %type <typedIdentifier_> SuffixedType
 668 %type <typedIdentifier_> SuffixedTypeOpt
 669 %type <typedIdentifier_> TypeSignifier
 670 %type <typedIdentifier_> TypeSignifierNone
 671 %type <typedIdentifier_> TypeSignifierOpt
 672 %type <modifier_> ParameterTail
 673 %type <modifier_> TypeQualifierLeft
 674 %type <modifier_> TypeQualifierLeftOpt
 675 %type <typedIdentifier_> TypeQualifierRight
 676 %type <typedIdentifier_> TypeQualifierRightOpt
 677 %type <typedIdentifier_> TypedIdentifierDefinition
 678 %type <typedIdentifier_> TypedIdentifierEncoding
 679 %type <typedIdentifier_> TypedIdentifierField
 680 %type <typedIdentifier_> TypedIdentifierMaybe
 681 %type <typedIdentifier_> TypedIdentifierNo
 682 %type <typedIdentifier_> TypedIdentifierYes
 683 %type <typedFormal_> TypedParameterList_
 684 %type <typedFormal_> TypedParameterList
 685 %type <typedFormal_> TypedParameterListOpt
 686 %type <typedParameter_> TypedParameters
 687 @end
 688
 689 @begin ObjectiveC
 690 %type <expression_> AssignmentExpressionClassic
 691 %type <expression_> BoxableExpression
 692 %type <statement_> CategoryStatement
 693 %type <expression_> ClassSuperOpt
 694 %type <expression_> ConditionalExpressionClassic
 695 %type <message_> ClassMessageDeclaration
 696 %type <message_> ClassMessageDeclarationListOpt
 697 %type <protocol_> ClassProtocolListOpt
 698 %type <protocol_> ClassProtocols
 699 %type <protocol_> ClassProtocolsOpt
 700 %type <implementationField_> ImplementationFieldListOpt
 701 %type <statement_> ImplementationStatement
 702 %type <keyValue_> KeyValuePairList_
 703 %type <keyValue_> KeyValuePairList
 704 %type <keyValue_> KeyValuePairListOpt
 705 %type <target_> MessageExpression
 706 %type <messageParameter_> MessageParameter
 707 %type <messageParameter_> MessageParameters
 708 %type <messageParameter_> MessageParameterList
 709 %type <messageParameter_> MessageParameterListOpt
 710 %type <bool_> MessageScope
 711 %type <argument_> SelectorCall_
 712 %type <argument_> SelectorCall
 713 %type <selector_> SelectorExpression_
 714 %type <selector_> SelectorExpression
 715 %type <selector_> SelectorExpressionOpt
 716 %type <argument_> SelectorList
 717 %type <word_> SelectorWordOpt
 718 %type <typedIdentifier_> TypeOpt
 719 %type <argument_> VariadicCall
 720 @end
 721
 722 @begin E4X
 723 %type <propertyIdentifier_> PropertyIdentifier_
 724 %type <selector_> PropertySelector_
 725 %type <selector_> PropertySelector
 726 %type <identifier_> QualifiedIdentifier_
 727 %type <identifier_> QualifiedIdentifier
 728 %type <identifier_> WildcardIdentifier
 729 %type <identifier_> XMLComment
 730 %type <identifier_> XMLCDATA
 731 %type <identifier_> XMLElement
 732 %type <identifier_> XMLElementContent
 733 %type <identifier_> XMLMarkup
 734 %type <identifier_> XMLPI
 735
 736 %type <attribute_> AttributeIdentifier
 737 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 738 %type <expression_> PropertyIdentifier
 739 %type <expression_> XMLListInitilizer
 740 %type <expression_> XMLInitilizer
 741 @end
 742 /* }}} */
 743 /* Token Priorities {{{ */
 744 %nonassoc "if"
 745 %nonassoc "else"
 746
 747 %nonassoc ":"
 748 %nonassoc "!yield"
 749 /* }}} */
 750
 751 %start Program
 752 %token MarkModule
 753 %token MarkScript
 754
 755 %%
 756
 757 Program
 758     : MarkScript Script
 759     | MarkModule Module
 760     ;
 761
 762 /* Lexer State {{{ */
 763 LexPushInOn: { driver.in_.push(true); };
 764 LexPushInOff: { driver.in_.push(false); };
 765 LexPopIn: { driver.in_.pop(); };
 766
 767 LexPushReturnOn: { driver.return_.push(true); };
 768 LexPopReturn: { driver.return_.pop(); };
 769 Return: "return"[return] { if (!driver.return_.top()) CYERR(@return, "invalid return"); };
 770
 771 LexPushSuperOn: { driver.super_.push(true); };
 772 LexPushSuperOff: { driver.super_.push(false); };
 773 LexPopSuper: { driver.super_.pop(); };
 774 Super: "super"[super] { if (!driver.super_.top()) CYERR(@super, "invalid super"); };
 775
 776 LexPushYieldOn: { driver.yield_.push(true); };
 777 LexPushYieldOff: { driver.yield_.push(false); };
 778 LexPopYield: { driver.yield_.pop(); };
 779
 780 LexNewLineOrOpt
 781     : { CYLEX(); if (driver.hold_ != empty_symbol) CYERR(@$, "unexpected hold"); if (driver.newline_) { driver.hold_ = yyla.type; yyla.type = yytranslate_(cy::parser::token::NewLine); } }
 782     ;
 783
 784 LexNewLineOrNot
 785     : { CYLEX(); if (driver.hold_ != empty_symbol) CYERR(@$, "unexpected hold"); driver.hold_ = yyla.type; yyla.type = yytranslate_(driver.newline_ ? cy::parser::token::NewLine : cy::parser::token::__); }
 786     ;
 787
 788 LexNoStar
 789     : { CYMAP(YieldStar, Star); }
 790     ;
 791
 792 LexNoBrace
 793     : { CYMAP(OpenBrace_, OpenBrace); }
 794     ;
 795
 796 LexNoClass
 797     : { CYMAP(_class__, _class_); }
 798     ;
 799
 800 LexNoFunction
 801     : { CYMAP(_function__, _function_); }
 802     ;
 803
 804 LexSetStatement
 805     : LexNoBrace LexNoClass LexNoFunction
 806     ;
 807 /* }}} */
 808 /* Virtual Tokens {{{ */
 809 Var_
 810     : "var"
 811     ;
 812 /* }}} */
 813
 814 /* 11.6 Names and Keywords {{{ */
 815 IdentifierName
 816     : Word[pass] { $$ = $pass; }
 817     | "for" { $$ = CYNew CYWord("for"); }
 818     | "in" { $$ = CYNew CYWord("in"); }
 819     | "instanceof" { $$ = CYNew CYWord("instanceof"); }
 820     ;
 821
 822 WordNoUnary
 823     : IdentifierNoOf[pass] { $$ = $pass; }
 824     | "break" { $$ = CYNew CYWord("break"); }
 825     | "case" { $$ = CYNew CYWord("case"); }
 826     | "catch" { $$ = CYNew CYWord("catch"); }
 827     | "class" LexOf { $$ = CYNew CYWord("class"); }
 828     | ";class" { $$ = CYNew CYWord("class"); }
 829     | "const" { $$ = CYNew CYWord("const"); }
 830     | "continue" { $$ = CYNew CYWord("continue"); }
 831     | "debugger" { $$ = CYNew CYWord("debugger"); }
 832     | "default" { $$ = CYNew CYWord("default"); }
 833     | "do" { $$ = CYNew CYWord("do"); }
 834     | "else" { $$ = CYNew CYWord("else"); }
 835     | "enum" { $$ = CYNew CYWord("enum"); }
 836     | "export" { $$ = CYNew CYWord("export"); }
 837     | "extends" { $$ = CYNew CYWord("extends"); }
 838     | "false" { $$ = CYNew CYWord("false"); }
 839     | "finally" { $$ = CYNew CYWord("finally"); }
 840     | "function" LexOf { $$ = CYNew CYWord("function"); }
 841     | "if" { $$ = CYNew CYWord("if"); }
 842     | "import" { $$ = CYNew CYWord("import"); }
 843     | "!in" { $$ = CYNew CYWord("in"); }
 844     | "!of" { $$ = CYNew CYWord("of"); }
 845     | "null" { $$ = CYNew CYWord("null"); }
 846     | "return" { $$ = CYNew CYWord("return"); }
 847     | "super" { $$ = CYNew CYWord("super"); }
 848     | "switch" { $$ = CYNew CYWord("switch"); }
 849     | "this" { $$ = CYNew CYWord("this"); }
 850     | "throw" { $$ = CYNew CYWord("throw"); }
 851     | "true" { $$ = CYNew CYWord("true"); }
 852     | "try" { $$ = CYNew CYWord("try"); }
 853     | "var" { $$ = CYNew CYWord("var"); }
 854     | "while" { $$ = CYNew CYWord("while"); }
 855     | "with" { $$ = CYNew CYWord("with"); }
 856     ;
 857
 858 Word
 859     : WordNoUnary[pass] { $$ = $pass; }
 860     | "delete" { $$ = CYNew CYWord("delete"); }
 861     | "typeof" { $$ = CYNew CYWord("typeof"); }
 862     | "void" { $$ = CYNew CYWord("void"); }
 863     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 864     ;
 865
 866 @begin ObjectiveC
 867 WordOpt
 868     : Word[pass] { $$ = $pass; }
 869     | { $$ = NULL; }
 870     ;
 871 @end
 872 /* }}} */
 873 /* 11.8.1 Null Literals {{{ */
 874 NullLiteral
 875     : "null" { $$ = CYNew CYNull(); }
 876     ;
 877 /* }}} */
 878 /* 11.8.2 Boolean Literals {{{ */
 879 BooleanLiteral
 880     : "true" { $$ = CYNew CYTrue(); }
 881     | "false" { $$ = CYNew CYFalse(); }
 882     ;
 883 /* }}} */
 884 /* 11.8.5 Regular Expression Literals {{{ */
 885 RegularExpressionSlash
 886     : "/" { $$ = false; }
 887     | "/=" { $$ = true; }
 888     ;
 889
 890 RegularExpressionLiteral
 891     : RegularExpressionSlash[equals] { CYMPT(@$); driver.SetRegEx($equals); } RegularExpressionLiteral_[pass] { $$ = $pass; }
 892     ;
 893 /* }}} */
 894
 895 /* 11.9 Automatic Semicolon Insertion {{{ */
 896 StrictSemi
 897     : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
 898     ;
 899
 900 NewLineNot
 901     : LexNewLineOrNot ""
 902     ;
 903
 904 NewLineOpt
 905     : LexNewLineOrNot "\n"
 906     | NewLineNot
 907     ;
 908
 909 TerminatorSoft
 910     : LexNewLineOrNot "\n" StrictSemi
 911     | NewLineNot LexOf Terminator
 912     ;
 913
 914 TerminatorHard
 915     : ";"
 916     | error { if (yyla.type_get() != yyeof_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 917     ;
 918
 919 Terminator
 920     : ";"
 921     | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !driver.newline_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 922     ;
 923
 924 TerminatorOpt
 925     : ";"
 926     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 927     ;
 928 /* }}} */
 929
 930 /* 12.1 Identifiers {{{ */
 931 IdentifierReference
 932     : Identifier[pass] { $$ = CYNew CYVariable($pass); }
 933     | "yield" { $$ = CYNew CYVariable(CYNew CYIdentifier("yield")); }
 934     ;
 935
 936 BindingIdentifier
 937     : LexOf IdentifierNoOf[pass] { $$ = $pass; }
 938     | LexOf "!of" { $$ = CYNew CYIdentifier("of"); }
 939     | LexOf "yield" { $$ = CYNew CYIdentifier("yield"); }
 940     ;
 941
 942 BindingIdentifierOpt
 943     : BindingIdentifier[pass] { $$ = $pass; }
 944     | LexOf { $$ = NULL; }
 945     ;
 946
 947 LabelIdentifier
 948     : Identifier[pass] { $$ = $pass; }
 949     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 950     ;
 951
 952 IdentifierTypeNoOf
 953     : Identifier_[pass] { $$ = $pass; }
 954     | "abstract" { $$ = CYNew CYIdentifier("abstract"); }
 955     | "as" { $$ = CYNew CYIdentifier("as"); }
 956     | "await" { $$ = CYNew CYIdentifier("await"); }
 957     | "boolean" { $$ = CYNew CYIdentifier("boolean"); }
 958     | "byte" { $$ = CYNew CYIdentifier("byte"); }
 959     | "constructor" { $$ = CYNew CYIdentifier("constructor"); }
 960     | "double" { $$ = CYNew CYIdentifier("double"); }
 961     | "each" { $$ = CYNew CYIdentifier("each"); }
 962     | "eval" { $$ = CYNew CYIdentifier("eval"); }
 963     | "final" { $$ = CYNew CYIdentifier("final"); }
 964     | "float" { $$ = CYNew CYIdentifier("float"); }
 965     | "from" { $$ = CYNew CYIdentifier("from"); }
 966     | "get" { $$ = CYNew CYIdentifier("get"); }
 967     | "goto" { $$ = CYNew CYIdentifier("goto"); }
 968     | "implements" { $$ = CYNew CYIdentifier("implements"); }
 969     | "Infinity" { $$ = CYNew CYIdentifier("Infinity"); }
 970     | "interface" { $$ = CYNew CYIdentifier("interface"); }
 971     | "let" { $$ = CYNew CYIdentifier("let"); }
 972     | "!let" LexBind LexOf { $$ = CYNew CYIdentifier("let"); }
 973     | "native" { $$ = CYNew CYIdentifier("native"); }
 974     | "package" { $$ = CYNew CYIdentifier("package"); }
 975     | "private" { $$ = CYNew CYIdentifier("private"); }
 976     | "protected" { $$ = CYNew CYIdentifier("protected"); }
 977     | "__proto__" { $$ = CYNew CYIdentifier("__proto__"); }
 978     | "prototype" { $$ = CYNew CYIdentifier("prototype"); }
 979     | "public" { $$ = CYNew CYIdentifier("public"); }
 980     | "set" { $$ = CYNew CYIdentifier("set"); }
 981     | "synchronized" { $$ = CYNew CYIdentifier("synchronized"); }
 982     | "target" { $$ = CYNew CYIdentifier("target"); }
 983     | "throws" { $$ = CYNew CYIdentifier("throws"); }
 984     | "transient" { $$ = CYNew CYIdentifier("transient"); }
 985     | "typeid" { $$ = CYNew CYIdentifier("typeid"); }
 986     | "undefined" { $$ = CYNew CYIdentifier("undefined"); }
 987 @begin ObjectiveC
 988     | "bool" { $$ = CYNew CYIdentifier("bool"); }
 989     | "BOOL" { $$ = CYNew CYIdentifier("BOOL"); }
 990     | "id" { $$ = CYNew CYIdentifier("id"); }
 991     | "SEL" { $$ = CYNew CYIdentifier("SEL"); }
 992 @end
 993     ;
 994
 995 IdentifierType
 996     : IdentifierTypeNoOf[pass] { $$ = $pass; }
 997     | "of" { $$ = CYNew CYIdentifier("of"); }
 998     ;
 999
1000 IdentifierTypeOpt
1001     : IdentifierType[pass] { $$ = $pass; }
1002     | { $$ = NULL; }
1003     ;
1004
1005 IdentifierNoOf
1006     : IdentifierTypeNoOf
1007     | "char" { $$ = CYNew CYIdentifier("char"); }
1008     | "int" { $$ = CYNew CYIdentifier("int"); }
1009     | "long" { $$ = CYNew CYIdentifier("long"); }
1010     | "__restrict" { $$ = CYNew CYIdentifier("__restrict"); }
1011     | "restrict" { $$ = CYNew CYIdentifier("restrict"); }
1012     | "short" { $$ = CYNew CYIdentifier("short"); }
1013     | "static" { $$ = CYNew CYIdentifier("static"); }
1014     | "volatile" { $$ = CYNew CYIdentifier("volatile"); }
1015 @begin C
1016     | "signed" { $$ = CYNew CYIdentifier("signed"); }
1017     | "unsigned" { $$ = CYNew CYIdentifier("unsigned"); }
1018 @end
1019 @begin ObjectiveC
1020     | "nil" { $$ = CYNew CYIdentifier("nil"); }
1021     | "NO" { $$ = CYNew CYIdentifier("NO"); }
1022     | "NULL" { $$ = CYNew CYIdentifier("NULL"); }
1023     | "YES" { $$ = CYNew CYIdentifier("YES"); }
1024 @end
1025     ;
1026
1027 Identifier
1028     : IdentifierNoOf[pass] { $$ = $pass; }
1029     | "of" { $$ = CYNew CYIdentifier("of"); }
1030     | "!of" { $$ = CYNew CYIdentifier("of"); }
1031     ;
1032 /* }}} */
1033 /* 12.2 Primary Expression {{{ */
1034 PrimaryExpression
1035     : "this" { $$ = CYNew CYThis(); }
1036     | IdentifierReference[pass] { $$ = $pass; }
1037     | Literal[pass] { $$ = $pass; }
1038     | ArrayLiteral[pass] { $$ = $pass; }
1039     | ObjectLiteral[pass] { $$ = $pass; }
1040     | FunctionExpression[pass] { $$ = $pass; }
1041     | ClassExpression[pass] { $$ = $pass; }
1042     | GeneratorExpression[pass] { $$ = $pass; }
1043     | RegularExpressionLiteral[pass] { $$ = $pass; }
1044     | TemplateLiteral[pass] { $$ = $pass; }
1045     | CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) CYERR(@cover, "invalid parenthetical"); $$ = $cover; }
1046     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
1047     ;
1048
1049 CoverParenthesizedExpressionAndArrowParameterList
1050     : "(" Expression[expression] ")" { $$ = CYNew CYParenthetical($expression); }
1051     | "(" LexOf ")" { $$ = NULL; }
1052     | "(" LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1053     | "(" Expression "," LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1054     ;
1055 /* }}} */
1056 /* 12.2.4 Literals {{{ */
1057 Literal
1058     : NullLiteral[pass] { $$ = $pass; }
1059     | BooleanLiteral[pass] { $$ = $pass; }
1060     | NumericLiteral[pass] { $$ = $pass; }
1061     | StringLiteral[pass] { $$ = $pass; }
1062     ;
1063 /* }}} */
1064 /* 12.2.5 Array Initializer {{{ */
1065 ArrayLiteral
1066     : "[" ElementListOpt[elements] "]" { $$ = CYNew CYArray($elements); }
1067     ;
1068
1069 ArrayElement
1070     : AssignmentExpression[value] { $$ = CYNew CYElementValue($value); }
1071     | LexOf "..." AssignmentExpression[values] { $$ = CYNew CYElementSpread($values); }
1072     ;
1073
1074 ElementList_
1075     : "," ElementListOpt[elements] { $$ = $elements; }
1076     | { $$ = NULL; }
1077     ;
1078
1079 ElementList
1080     : ArrayElement[element] ElementList_[next] { $$ = $element; $$->SetNext($next); }
1081     | LexOf "," ElementListOpt[next] { $$ = CYNew CYElementValue(NULL, $next); }
1082     ;
1083
1084 ElementListOpt
1085     : ElementList[pass] { $$ = $pass; }
1086     | LexOf { $$ = NULL; }
1087     ;
1088 /* }}} */
1089 /* 12.2.6 Object Initializer {{{ */
1090 ObjectLiteral
1091     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYObject($properties); }
1092     ;
1093
1094 PropertyDefinitionList_
1095     : "," PropertyDefinitionListOpt[properties] { $$ = $properties; }
1096     | { $$ = NULL; }
1097     ;
1098
1099 PropertyDefinitionList
1100     : PropertyDefinition[property] PropertyDefinitionList_[next] { $property->SetNext($next); $$ = $property; }
1101     ;
1102
1103 PropertyDefinitionListOpt
1104     : PropertyDefinitionList[properties] { $$ = $properties; }
1105     | { $$ = NULL; }
1106     ;
1107
1108 PropertyDefinition
1109     : IdentifierReference[value] { $$ = CYNew CYPropertyValue($value->name_, $value); }
1110     | CoverInitializedName[name] { CYNOT(@$); }
1111     | PropertyName[name] ":" AssignmentExpression[value] { $$ = CYNew CYPropertyValue($name, $value); }
1112     | MethodDefinition[pass] { $$ = $pass; }
1113     ;
1114
1115 PropertyName
1116     : LiteralPropertyName[pass] { $$ = $pass; }
1117     | ComputedPropertyName[pass] { $$ = $pass; }
1118     ;
1119
1120 LiteralPropertyName
1121     : IdentifierName[pass] { $$ = $pass; }
1122     | StringLiteral[pass] { $$ = $pass; }
1123     | NumericLiteral[pass] { $$ = $pass; }
1124     ;
1125
1126 ComputedPropertyName
1127     : "[" AssignmentExpression[expression] "]" { $$ = CYNew CYComputed($expression); }
1128     ;
1129
1130 CoverInitializedName
1131     : IdentifierReference Initializer
1132     ;
1133
1134 Initializer
1135     : "=" AssignmentExpression[initializer] { $$ = $initializer; }
1136     ;
1137
1138 InitializerOpt
1139     : Initializer[pass] { $$ = $pass; }
1140     | { $$ = NULL; }
1141     ;
1142 /* }}} */
1143 /* 12.2.9 Template Literals {{{ */
1144 TemplateLiteral
1145     : NoSubstitutionTemplate[string] { $$ = CYNew CYTemplate($string, NULL); }
1146     | TemplateHead[string] LexPushInOff TemplateSpans[spans] { $$ = CYNew CYTemplate($string, $spans); }
1147     ;
1148
1149 TemplateSpans
1150     : Expression[value] TemplateMiddle[string] TemplateSpans[spans] { $$ = CYNew CYSpan($value, $string, $spans); }
1151     | Expression[value] TemplateTail[string] LexPopIn { $$ = CYNew CYSpan($value, $string, NULL); }
1152     ;
1153 /* }}} */
1154
1155 /* 12.3 Left-Hand-Side Expressions {{{ */
1156 MemberAccess
1157     : "[" Expression[property] "]" { $$ = CYNew CYDirectMember(NULL, $property); }
1158     | "." IdentifierName[property] { $$ = CYNew CYDirectMember(NULL, CYNew CYString($property)); }
1159     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
1160     | TemplateLiteral { CYNOT(@$); }
1161     ;
1162
1163 MemberExpression
1164     : PrimaryExpression[pass] { $$ = $pass; }
1165     | MemberExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1166     | SuperProperty[pass] { $$ = $pass; }
1167     | MetaProperty { CYNOT(@$); }
1168     | "new" MemberExpression[constructor] Arguments[arguments] { $$ = CYNew cy::Syntax::New($constructor, $arguments); }
1169     ;
1170
1171 SuperProperty
1172     : Super "[" Expression[property] "]" { $$ = CYNew CYSuperAccess($property); }
1173     | Super "." IdentifierName[property] { $$ = CYNew CYSuperAccess(CYNew CYString($property)); }
1174     ;
1175
1176 MetaProperty
1177     : NewTarget
1178     ;
1179
1180 NewTarget
1181     : "new" "." "target"
1182     ;
1183
1184 NewExpression
1185     : MemberExpression[pass] { $$ = $pass; }
1186     | "new" NewExpression[expression] { $$ = CYNew cy::Syntax::New($expression, NULL); }
1187     ;
1188
1189 CallExpression_
1190     : MemberExpression[pass] { $$ = $pass; }
1191     | CallExpression[pass] { $$ = $pass; }
1192     ;
1193
1194 CallExpression
1195     : CallExpression_[function] Arguments[arguments] { if (!$function->Eval()) $$ = CYNew CYCall($function, $arguments); else $$ = CYNew CYEval($arguments); }
1196     | SuperCall[pass] { $$ = $pass; }
1197     | CallExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1198     ;
1199
1200 SuperCall
1201     : Super Arguments[arguments] { $$ = CYNew CYSuperCall($arguments); }
1202     ;
1203
1204 Arguments
1205     : "(" ArgumentListOpt[arguments] ")" { $$ = $arguments; }
1206     ;
1207
1208 ArgumentList_
1209     : "," ArgumentList[arguments] { $$ = $arguments; }
1210     | { $$ = NULL; }
1211     ;
1212
1213 ArgumentList
1214     : AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
1215     | LexOf "..." AssignmentExpression { CYNOT(@$); }
1216     ;
1217
1218 ArgumentListOpt
1219     : ArgumentList[pass] { $$ = $pass; }
1220     | LexOf { $$ = NULL; }
1221     ;
1222
1223 AccessExpression
1224     : NewExpression[pass] { $$ = $pass; }
1225     | CallExpression[pass] { $$ = $pass; }
1226     ;
1227
1228 LeftHandSideExpression
1229     : RubyBlockExpression[pass] { $$ = $pass; }
1230     | IndirectExpression[pass] { $$ = $pass; }
1231     ;
1232 /* }}} */
1233 /* 12.4 Postfix Expressions {{{ */
1234 PostfixExpression
1235     : RubyBlockExpression[pass] { $$ = $pass; }
1236     | AccessExpression[lhs] LexNewLineOrOpt "++" { $$ = CYNew CYPostIncrement($lhs); }
1237     | AccessExpression[lhs] LexNewLineOrOpt "--" { $$ = CYNew CYPostDecrement($lhs); }
1238     ;
1239 /* }}} */
1240 /* 12.5 Unary Operators {{{ */
1241 UnaryExpression_
1242     : "delete" UnaryExpression[rhs] { $$ = CYNew CYDelete($rhs); }
1243     | "void" UnaryExpression[rhs] { $$ = CYNew CYVoid($rhs); }
1244     | "typeof" UnaryExpression[rhs] { $$ = CYNew CYTypeOf($rhs); }
1245     | "++" UnaryExpression[rhs] { $$ = CYNew CYPreIncrement($rhs); }
1246     | "--" UnaryExpression[rhs] { $$ = CYNew CYPreDecrement($rhs); }
1247     | "+" UnaryExpression[rhs] { $$ = CYNew CYAffirm($rhs); }
1248     | "-" UnaryExpression[rhs] { $$ = CYNew CYNegate($rhs); }
1249     | "~" UnaryExpression[rhs] { $$ = CYNew CYBitwiseNot($rhs); }
1250     | "!" UnaryExpression[rhs] { $$ = CYNew CYLogicalNot($rhs); }
1251     ;
1252
1253 UnaryExpression
1254     : PostfixExpression[expression] { $$ = $expression; }
1255     | UnaryExpression_[pass] { $$ = $pass; }
1256     ;
1257 /* }}} */
1258 /* 12.6 Multiplicative Operators {{{ */
1259 MultiplicativeExpression
1260     : UnaryExpression[pass] { $$ = $pass; }
1261     | MultiplicativeExpression[lhs] "*" UnaryExpression[rhs] { $$ = CYNew CYMultiply($lhs, $rhs); }
1262     | MultiplicativeExpression[lhs] "/" UnaryExpression[rhs] { $$ = CYNew CYDivide($lhs, $rhs); }
1263     | MultiplicativeExpression[lhs] "%" UnaryExpression[rhs] { $$ = CYNew CYModulus($lhs, $rhs); }
1264     ;
1265 /* }}} */
1266 /* 12.7 Additive Operators {{{ */
1267 AdditiveExpression
1268     : MultiplicativeExpression[pass] { $$ = $pass; }
1269     | AdditiveExpression[lhs] "+" MultiplicativeExpression[rhs] { $$ = CYNew CYAdd($lhs, $rhs); }
1270     | AdditiveExpression[lhs] "-" MultiplicativeExpression[rhs] { $$ = CYNew CYSubtract($lhs, $rhs); }
1271     ;
1272 /* }}} */
1273 /* 12.8 Bitwise Shift Operators {{{ */
1274 ShiftExpression
1275     : AdditiveExpression[pass] { $$ = $pass; }
1276     | ShiftExpression[lhs] "<<" AdditiveExpression[rhs] { $$ = CYNew CYShiftLeft($lhs, $rhs); }
1277     | ShiftExpression[lhs] ">>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightSigned($lhs, $rhs); }
1278     | ShiftExpression[lhs] ">>>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightUnsigned($lhs, $rhs); }
1279     ;
1280 /* }}} */
1281 /* 12.9 Relational Operators {{{ */
1282 RelationalExpression
1283     : ShiftExpression[pass] { $$ = $pass; }
1284     | RelationalExpression[lhs] "<" ShiftExpression[rhs] { $$ = CYNew CYLess($lhs, $rhs); }
1285     | RelationalExpression[lhs] ">" ShiftExpression[rhs] { $$ = CYNew CYGreater($lhs, $rhs); }
1286     | RelationalExpression[lhs] "<=" ShiftExpression[rhs] { $$ = CYNew CYLessOrEqual($lhs, $rhs); }
1287     | RelationalExpression[lhs] ">=" ShiftExpression[rhs] { $$ = CYNew CYGreaterOrEqual($lhs, $rhs); }
1288     | RelationalExpression[lhs] "instanceof" ShiftExpression[rhs] { $$ = CYNew CYInstanceOf($lhs, $rhs); }
1289     | RelationalExpression[lhs] "in" ShiftExpression[rhs] { $$ = CYNew CYIn($lhs, $rhs); }
1290     ;
1291 /* }}} */
1292 /* 12.10 Equality Operators {{{ */
1293 EqualityExpression
1294     : RelationalExpression[pass] { $$ = $pass; }
1295     | EqualityExpression[lhs] "==" RelationalExpression[rhs] { $$ = CYNew CYEqual($lhs, $rhs); }
1296     | EqualityExpression[lhs] "!=" RelationalExpression[rhs] { $$ = CYNew CYNotEqual($lhs, $rhs); }
1297     | EqualityExpression[lhs] "===" RelationalExpression[rhs] { $$ = CYNew CYIdentical($lhs, $rhs); }
1298     | EqualityExpression[lhs] "!==" RelationalExpression[rhs] { $$ = CYNew CYNotIdentical($lhs, $rhs); }
1299     ;
1300 /* }}} */
1301 /* 12.11 Binary Bitwise Operators {{{ */
1302 BitwiseANDExpression
1303     : EqualityExpression[pass] { $$ = $pass; }
1304     | BitwiseANDExpression[lhs] "&" EqualityExpression[rhs] { $$ = CYNew CYBitwiseAnd($lhs, $rhs); }
1305     ;
1306
1307 BitwiseXORExpression
1308     : BitwiseANDExpression[pass] { $$ = $pass; }
1309     | BitwiseXORExpression[lhs] "^" BitwiseANDExpression[rhs] { $$ = CYNew CYBitwiseXOr($lhs, $rhs); }
1310     ;
1311
1312 BitwiseORExpression
1313     : BitwiseXORExpression[pass] { $$ = $pass; }
1314     | BitwiseORExpression[lhs] "|" BitwiseXORExpression[rhs] { $$ = CYNew CYBitwiseOr($lhs, $rhs); }
1315     ;
1316 /* }}} */
1317 /* 12.12 Binary Logical Operators {{{ */
1318 LogicalANDExpression
1319     : BitwiseORExpression[pass] { $$ = $pass; }
1320     | LogicalANDExpression[lhs] "&&" BitwiseORExpression[rhs] { $$ = CYNew CYLogicalAnd($lhs, $rhs); }
1321     ;
1322
1323 LogicalORExpression
1324     : LogicalANDExpression[pass] { $$ = $pass; }
1325     | LogicalORExpression[lhs] "||" LogicalANDExpression[rhs] { $$ = CYNew CYLogicalOr($lhs, $rhs); }
1326     ;
1327 /* }}} */
1328 /* 12.13 Conditional Operator ( ? : ) {{{ */
1329 @begin ObjectiveC
1330 ConditionalExpressionClassic
1331     : LogicalORExpression[pass] { $$ = $pass; }
1332     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpressionClassic[false] { $$ = CYNew CYCondition($test, $true, $false); }
1333     ;
1334 @end
1335
1336 ConditionalExpression
1337     : LogicalORExpression[pass] { $$ = $pass; }
1338     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpression[false] { $$ = CYNew CYCondition($test, $true, $false); }
1339     ;
1340 /* }}} */
1341 /* 12.14 Assignment Operators {{{ */
1342 LeftHandSideAssignment
1343     : LeftHandSideExpression[lhs] "=" { $$ = CYNew CYAssign($lhs, NULL); }
1344     | LeftHandSideExpression[lhs] "*=" { $$ = CYNew CYMultiplyAssign($lhs, NULL); }
1345     | LeftHandSideExpression[lhs] "/=" { $$ = CYNew CYDivideAssign($lhs, NULL); }
1346     | LeftHandSideExpression[lhs] "%=" { $$ = CYNew CYModulusAssign($lhs, NULL); }
1347     | LeftHandSideExpression[lhs] "+=" { $$ = CYNew CYAddAssign($lhs, NULL); }
1348     | LeftHandSideExpression[lhs] "-=" { $$ = CYNew CYSubtractAssign($lhs, NULL); }
1349     | LeftHandSideExpression[lhs] "<<=" { $$ = CYNew CYShiftLeftAssign($lhs, NULL); }
1350     | LeftHandSideExpression[lhs] ">>=" { $$ = CYNew CYShiftRightSignedAssign($lhs, NULL); }
1351     | LeftHandSideExpression[lhs] ">>>=" { $$ = CYNew CYShiftRightUnsignedAssign($lhs, NULL); }
1352     | LeftHandSideExpression[lhs] "&=" { $$ = CYNew CYBitwiseAndAssign($lhs, NULL); }
1353     | LeftHandSideExpression[lhs] "^=" { $$ = CYNew CYBitwiseXOrAssign($lhs, NULL); }
1354     | LeftHandSideExpression[lhs] "|=" { $$ = CYNew CYBitwiseOrAssign($lhs, NULL); }
1355     ;
1356
1357 @begin ObjectiveC
1358 AssignmentExpressionClassic
1359     : LexOf ConditionalExpressionClassic[pass] { $$ = $pass; }
1360     | LexOf LeftHandSideAssignment[assignment] AssignmentExpressionClassic[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1361     ;
1362 @end
1363
1364 AssignmentExpression
1365     : LexOf ConditionalExpression[pass] { $$ = $pass; }
1366     | LexOf YieldExpression[pass] { $$ = $pass; }
1367     | ArrowFunction[pass] { $$ = $pass; }
1368     | LexOf LeftHandSideAssignment[assignment] AssignmentExpression[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1369     ;
1370 /* }}} */
1371 /* 12.15 Comma Operator ( , ) {{{ */
1372 Expression
1373     : AssignmentExpression[pass] { $$ = $pass; }
1374     | Expression[expression] "," AssignmentExpression[next] { $$ = CYNew CYCompound($expression, $next); }
1375     ;
1376
1377 ExpressionOpt
1378     : Expression[pass] { $$ = $pass; }
1379     | LexOf { $$ = NULL; }
1380     ;
1381 /* }}} */
1382
1383 /* 13 Statements and Declarations {{{ */
1384 Statement__
1385     : BlockStatement[pass] { $$ = $pass; }
1386     | VariableStatement[pass] { $$ = $pass; }
1387     | EmptyStatement[pass] { $$ = $pass; }
1388     | IfStatement[pass] { $$ = $pass; }
1389     | BreakableStatement[pass] { $$ = $pass; }
1390     | ContinueStatement[pass] { $$ = $pass; }
1391     | BreakStatement[pass] { $$ = $pass; }
1392     | ReturnStatement[pass] { $$ = $pass; }
1393     | WithStatement[pass] { $$ = $pass; }
1394     | LabelledStatement[pass] { $$ = $pass; }
1395     | ThrowStatement[pass] { $$ = $pass; }
1396     | TryStatement[pass] { $$ = $pass; }
1397     | DebuggerStatement[pass] { $$ = $pass; }
1398     ;
1399
1400 Statement_
1401     : LexOf Statement__[pass] { $$ = $pass; }
1402     | ExpressionStatement[pass] { $$ = $pass; }
1403     ;
1404
1405 Statement
1406     : LexSetStatement LexLet Statement_[pass] { $$ = $pass; }
1407     ;
1408
1409 Declaration_
1410     : HoistableDeclaration[pass] { $$ = $pass; }
1411     | ClassDeclaration[pass] { $$ = $pass; }
1412     ;
1413
1414 Declaration
1415     : LexSetStatement LexLet LexOf Declaration_[pass] { $$ = $pass; }
1416     | LexSetStatement LexicalDeclaration[pass] { $$ = $pass; }
1417     ;
1418
1419 HoistableDeclaration
1420     : FunctionDeclaration[pass] { $$ = $pass; }
1421     | GeneratorDeclaration[pass] { $$ = $pass; }
1422     ;
1423
1424 BreakableStatement
1425     : IterationStatement[pass] { $$ = $pass; }
1426     | SwitchStatement[pass] { $$ = $pass; }
1427     ;
1428 /* }}} */
1429 /* 13.2 Block {{{ */
1430 BlockStatement
1431     : ";{" StatementListOpt[code] "}" { $$ = CYNew CYBlock($code); }
1432     ;
1433
1434 Block
1435     : "{" StatementListOpt[code] "}" { $$ = $code; }
1436     ;
1437
1438 StatementList
1439     : StatementListItem[statement] StatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1440     ;
1441
1442 StatementListOpt
1443     : StatementList[pass] { $$ = $pass; }
1444     | LexSetStatement LexLet LexOf { $$ = NULL; }
1445     ;
1446
1447 StatementListItem
1448     : Statement[pass] { $$ = $pass; }
1449     | Declaration[pass] { $$ = $pass; }
1450     ;
1451 /* }}} */
1452 /* 13.3 Let and Const Declarations {{{ */
1453 LexicalDeclaration_
1454     : LetOrConst[constant] BindingList[bindings] { $$ = CYNew CYLexical($constant, $bindings); }
1455     ;
1456
1457 LexicalDeclaration
1458     : LexicalDeclaration_[statement] Terminator { $$ = $statement; }
1459     ;
1460
1461 LexLet
1462     : { CYMAP(_let__, _let_); }
1463     ;
1464
1465 LexOf
1466     : { CYMAP(_of__, _of_); }
1467     ;
1468
1469 LexBind
1470     : { CYMAP(OpenBrace_let, OpenBrace); CYMAP(OpenBracket_let, OpenBracket); }
1471     ;
1472
1473 LetOrConst
1474     : LexLet LexOf "!let" LexBind LexOf { $$ = false; }
1475     | LexLet LexOf "const" { $$ = true; }
1476     ;
1477
1478 BindingList_
1479     : "," LexBind BindingList[bindings] { $$ = $bindings; }
1480     | { $$ = NULL; }
1481     ;
1482
1483 BindingList
1484     : LexicalBinding[binding] BindingList_[next] { $$ = CYNew CYBindings($binding, $next); }
1485     ;
1486
1487 LexicalBinding
1488     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1489     | LexOf BindingPattern Initializer { CYNOT(@$); }
1490     ;
1491 /* }}} */
1492 /* 13.3.2 Variable Statement {{{ */
1493 VariableStatement_
1494     : Var_ VariableDeclarationList[bindings] { $$ = CYNew CYVar($bindings); }
1495     ;
1496
1497 VariableStatement
1498     : VariableStatement_[statement] Terminator { $$ = $statement; }
1499     ;
1500
1501 VariableDeclarationList_
1502     : "," VariableDeclarationList[bindings] { $$ = $bindings; }
1503     | { $$ = NULL; }
1504     ;
1505
1506 VariableDeclarationList
1507     : LexBind VariableDeclaration[binding] VariableDeclarationList_[next] { $$ = CYNew CYBindings($binding, $next); }
1508     ;
1509
1510 VariableDeclaration
1511     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1512     | LexOf BindingPattern Initializer { CYNOT(@$); }
1513     ;
1514 /* }}} */
1515 /* 13.3.3 Destructuring Binding Patterns {{{ */
1516 BindingPattern
1517     : ObjectBindingPattern
1518     | ArrayBindingPattern
1519     ;
1520
1521 ObjectBindingPattern
1522     : "let {" BindingPropertyListOpt "}"
1523     ;
1524
1525 ArrayBindingPattern
1526     : "let [" BindingElementListOpt "]"
1527     ;
1528
1529 BindingPropertyList_
1530     : "," BindingPropertyListOpt
1531     |
1532     ;
1533
1534 BindingPropertyList
1535     : BindingProperty BindingPropertyList_
1536     ;
1537
1538 BindingPropertyListOpt
1539     : BindingPropertyList
1540     | LexOf
1541     ;
1542
1543 BindingElementList
1544     : BindingElementOpt[element] "," BindingElementListOpt[next]
1545     | BindingRestElement[element]
1546     | BindingElement[element]
1547     ;
1548
1549 BindingElementListOpt
1550     : BindingElementList[pass]
1551     | LexBind LexOf
1552     ;
1553
1554 BindingProperty
1555     : SingleNameBinding
1556     | LexOf PropertyName ":" BindingElement
1557     ;
1558
1559 BindingElement
1560     : LexBind SingleNameBinding[pass] { $$ = $pass; }
1561     | LexBind LexOf BindingPattern InitializerOpt[initializer] { CYNOT(@$); }
1562     ;
1563
1564 BindingElementOpt
1565     : BindingElement[pass]
1566     | LexBind LexOf
1567     ;
1568
1569 SingleNameBinding
1570     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1571     ;
1572
1573 BindingRestElement
1574     : LexBind LexOf "..." BindingIdentifier
1575     ;
1576 /* }}} */
1577 /* 13.4 Empty Statement {{{ */
1578 EmptyStatement
1579     : ";" { $$ = CYNew CYEmpty(); }
1580     ;
1581 /* }}} */
1582 /* 13.5 Expression Statement {{{ */
1583 ExpressionStatement_
1584     : Expression[expression] { $$ = CYNew CYExpress($[expression]); }
1585
1586 ExpressionStatement
1587     : ExpressionStatement_[statement] Terminator { $$ = $statement; }
1588     ;
1589 /* }}} */
1590 /* 13.6 The if Statement {{{ */
1591 ElseStatementOpt
1592     : "else" Statement[false] { $$ = $false; }
1593     | %prec "if" { $$ = NULL; }
1594     ;
1595
1596 IfStatement
1597     : "if" "(" Expression[test] ")" Statement[true] ElseStatementOpt[false] { $$ = CYNew CYIf($test, $true, $false); }
1598     ;
1599 /* }}} */
1600 /* 13.7 Iteration Statements {{{ */
1601 IterationStatement
1602     : "do" Statement[code] "while" "(" Expression[test] ")" TerminatorOpt { $$ = CYNew CYDoWhile($test, $code); }
1603     | "while" "(" Expression[test] ")" Statement[code] { $$ = CYNew CYWhile($test, $code); }
1604     | "for" "(" LexPushInOn ForStatementInitializer[initializer] LexPopIn ExpressionOpt[test] ";" ExpressionOpt[increment] ")" Statement[code] { $$ = CYNew CYFor($initializer, $test, $increment, $code); }
1605     | "for" "(" LexPushInOn LexLet LexOf Var_ LexBind BindingIdentifier[identifier] Initializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForInitialized(CYNew CYBinding($identifier, $initializer), $iterable, $code); }
1606     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForIn($initializer, $iterable, $code); }
1607     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "of" LexPopIn AssignmentExpression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
1608     ;
1609
1610 ForStatementInitializer
1611     : LexLet LexOf EmptyStatement[pass] { $$ = $pass; }
1612     | LexLet ExpressionStatement_[initializer] ";" { $$ = $initializer; }
1613     | LexLet LexOf VariableStatement_[initializer] ";" { $$ = $initializer; }
1614     | LexicalDeclaration_[initializer] ";" { $$ = $initializer; }
1615     ;
1616
1617 ForInStatementInitializer
1618     : LexLet LexOf RubyBlockExpression[pass] { $$ = $pass; }
1619     | LexLet LexOf IndirectExpression[pass] { $$ = $pass; }
1620     | LexLet LexOf Var_ LexBind ForBinding[binding] { $$ = CYNew CYForVariable($binding); }
1621     | ForDeclaration[pass] { $$ = $pass; }
1622     ;
1623
1624 ForDeclaration
1625     : LetOrConst[constant] ForBinding[binding] { $$ = CYNew CYForLexical($constant, $binding); }
1626     ;
1627
1628 ForBinding
1629     : BindingIdentifier[identifier] { $$ = CYNew CYBinding($identifier, NULL); }
1630     | LexOf BindingPattern { CYNOT(@$); }
1631     ;
1632 /* }}} */
1633 /* 13.8 The continue Statement {{{ */
1634 ContinueStatement
1635     : "continue" TerminatorSoft { $$ = CYNew CYContinue(NULL); }
1636     | "continue" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYContinue($label); }
1637     ;
1638 /* }}} */
1639 /* 13.9 The break Statement {{{ */
1640 BreakStatement
1641     : "break" TerminatorSoft { $$ = CYNew CYBreak(NULL); }
1642     | "break" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYBreak($label); }
1643     ;
1644 /* }}} */
1645 /* 13.10 The return Statement {{{ */
1646 ReturnStatement
1647     : Return TerminatorSoft { $$ = CYNew CYReturn(NULL); }
1648     | Return NewLineNot Expression[value] Terminator { $$ = CYNew CYReturn($value); }
1649     ;
1650 /* }}} */
1651 /* 13.11 The with Statement {{{ */
1652 WithStatement
1653     : "with" "(" Expression[scope] ")" Statement[code] { $$ = CYNew CYWith($scope, $code); }
1654     ;
1655 /* }}} */
1656 /* 13.12 The switch Statement {{{ */
1657 SwitchStatement
1658     : "switch" "(" Expression[value] ")" CaseBlock[clauses] { $$ = CYNew CYSwitch($value, $clauses); }
1659     ;
1660
1661 CaseBlock
1662     : "{" CaseClausesOpt[clauses] "}" { $$ = $clauses; }
1663     ;
1664
1665 CaseClause
1666     : "case" Expression[value] ":" StatementListOpt[code] { $$ = CYNew CYClause($value, $code); }
1667     ;
1668
1669 CaseClausesOpt
1670     : CaseClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1671     | DefaultClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1672     | { $$ = NULL; }
1673     ;
1674
1675 // XXX: the standard makes certain you can only have one of these
1676 DefaultClause
1677     : "default" ":" StatementListOpt[code] { $$ = CYNew CYClause(NULL, $code); }
1678     ;
1679 /* }}} */
1680 /* 13.13 Labelled Statements {{{ */
1681 LabelledStatement
1682     : LabelIdentifier[name] ":" LabelledItem[statement] { $$ = CYNew CYLabel($name, $statement); }
1683     ;
1684
1685 LabelledItem
1686     : Statement[pass] { $$ = $pass; }
1687     | LexSetStatement LexLet LexOf FunctionDeclaration[pass] { $$ = $pass; }
1688     ;
1689 /* }}} */
1690 /* 13.14 The throw Statement {{{ */
1691 ThrowStatement
1692     : "throw"[throw] TerminatorSoft { CYERR(@throw, "throw without exception"); }
1693     | "throw" NewLineNot Expression[value] Terminator { $$ = CYNew cy::Syntax::Throw($value); }
1694     ;
1695 /* }}} */
1696 /* 13.15 The try Statement {{{ */
1697 TryStatement
1698     : "try" Block[code] Catch[catch] { $$ = CYNew cy::Syntax::Try($code, $catch, NULL); }
1699     | "try" Block[code] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, NULL, $finally); }
1700     | "try" Block[code] Catch[catch] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, $catch, $finally); }
1701     ;
1702
1703 Catch
1704     : "catch" "(" LexBind CatchParameter[name] ")" Block[code] { $$ = CYNew cy::Syntax::Catch($name, $code); }
1705     ;
1706
1707 Finally
1708     : "finally" Block[code] { $$ = CYNew CYFinally($code); }
1709     ;
1710
1711 CatchParameter
1712     : BindingIdentifier[pass] { $$ = $pass; }
1713     | LexOf BindingPattern { CYNOT(@$); }
1714     ;
1715 /* }}} */
1716 /* 13.16 The debugger Statement {{{ */
1717 DebuggerStatement
1718     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1719     ;
1720 /* }}} */
1721
1722 /* 14.1 Function Definitions {{{ */
1723 FunctionDeclaration
1724     : ";function" BindingIdentifier[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionStatement($name, $parameters, $code); }
1725     ;
1726
1727 FunctionExpression
1728     : "function" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionExpression($name, $parameters, $code); }
1729     ;
1730
1731 StrictFormalParameters
1732     : FormalParameters[pass] { $$ = $pass; }
1733     ;
1734
1735 FormalParameters
1736     : LexBind LexOf { $$ = NULL; }
1737     | FormalParameterList
1738     ;
1739
1740 FormalParameterList_
1741     : "," FormalParameterList[parameters] { $$ = $parameters; }
1742     | { $$ = NULL; }
1743     ;
1744
1745 FormalParameterList
1746     : FunctionRestParameter { CYNOT(@$); }
1747     | FormalParameter[binding] FormalParameterList_[next] { $$ = CYNew CYFunctionParameter($binding, $next); }
1748     ;
1749
1750 FunctionRestParameter
1751     : BindingRestElement
1752     ;
1753
1754 FormalParameter
1755     : BindingElement[pass] { $$ = $pass; }
1756     ;
1757
1758 FunctionBody
1759     : LexPushYieldOff FunctionStatementList[code] LexPopYield { $$ = $code; }
1760     ;
1761
1762 FunctionStatementList
1763     : LexPushReturnOn StatementListOpt[code] LexPopReturn { $$ = $code; }
1764     ;
1765 /* }}} */
1766 /* 14.2 Arrow Function Definitions {{{ */
1767 ArrowFunction
1768     : ArrowParameters[parameters] LexNewLineOrOpt "=>" LexNoBrace ConciseBody[code] { $$ = CYNew CYFatArrow($parameters, $code); }
1769     ;
1770
1771 ArrowParameters
1772     : BindingIdentifier[identifier] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier)); }
1773     | LexOf CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) $$ = NULL; else { $$ = $cover->expression_->Parameter(); if ($$ == NULL) CYERR(@cover, "invalid parameter list"); } }
1774     ;
1775
1776 ConciseBody
1777     : AssignmentExpression[expression] { $$ = CYNew CYReturn($expression); }
1778     | LexOf ";{" FunctionBody[code] "}" { $$ = $code; }
1779     ;
1780 /* }}} */
1781 /* 14.3 Method Definitions {{{ */
1782 MethodDefinition
1783     : PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyMethod($name, $parameters, $code); }
1784     | GeneratorMethod[pass] { $$ = $pass; }
1785     | "get" PropertyName[name] "(" ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyGetter($name, $code); }
1786     | "set" PropertyName[name] "(" PropertySetParameterList[parameter] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertySetter($name, $parameter, $code); }
1787     ;
1788
1789 PropertySetParameterList
1790     : FormalParameter[binding] { $$ = CYNew CYFunctionParameter($binding); }
1791     ;
1792 /* }}} */
1793 /* 14.4 Generator Function Definitions {{{ */
1794 GeneratorMethod
1795     : "*" PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorMethod($name, $parameters, $code); */ }
1796     ;
1797
1798 GeneratorDeclaration
1799     : ";function" LexOf "*" BindingIdentifier[name] "(" FormalParameters[code] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorStatement($name, $parameters, $code); */ }
1800     ;
1801
1802 GeneratorExpression
1803     : "function" LexOf "*" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorExpression($name, $parameters, $code); */ }
1804     ;
1805
1806 GeneratorBody
1807     : LexPushYieldOn FunctionStatementList[code] LexPopYield { $$ = $code; }
1808     ;
1809
1810 YieldExpression
1811     : "!yield" LexNewLineOrNot "\n" LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ }
1812     | "!yield" LexNewLineOrNot "" LexNoStar LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ } %prec "!yield"
1813     | "!yield" LexNewLineOrNot "" LexNoStar AssignmentExpression[value] { CYNOT(@$); /* $$ = CYNew CYYieldValue($value); */ }
1814     | "!yield" LexNewLineOrNot "" LexNoStar LexOf "yield *" AssignmentExpression[generator] { CYNOT(@$); /* $$ = CYNew CYYieldGenerator($generator); */ }
1815     ;
1816 /* }}} */
1817 /* 14.5 Class Definitions {{{ */
1818 ClassDeclaration
1819     : ";class" BindingIdentifier[name] ClassTail[tail] { $$ = CYNew CYClassStatement($name, $tail); }
1820     ;
1821
1822 ClassExpression
1823     : "class" BindingIdentifierOpt[name] ClassTail[tail] { $$ = CYNew CYClassExpression($name, $tail); }
1824     ;
1825
1826 ClassTail
1827     : ClassHeritageOpt[tail] { driver.class_.push($tail); } "{" LexPushSuperOn ClassBodyOpt "}" LexPopSuper { driver.class_.pop(); $$ = $tail; }
1828     ;
1829
1830 ClassHeritage
1831     : "extends" AccessExpression[extends] { $$ = CYNew CYClassTail($extends); }
1832     ;
1833
1834 ClassHeritageOpt
1835     : ClassHeritage[pass] { $$ = $pass; }
1836     | { $$ = CYNew CYClassTail(NULL); }
1837     ;
1838
1839 ClassBody
1840     : ClassElementList
1841     ;
1842
1843 ClassBodyOpt
1844     : ClassBody
1845     |
1846     ;
1847
1848 ClassElementList
1849     : ClassElementListOpt ClassElement
1850     ;
1851
1852 ClassElementListOpt
1853     : ClassElementList
1854     |
1855     ;
1856
1857 ClassElement
1858     : MethodDefinition[method] { if (CYFunctionExpression *constructor = $method->Constructor()) driver.class_.top()->constructor_ = constructor; else driver.class_.top()->instance_->*$method; }
1859     | "static" MethodDefinition[method] { driver.class_.top()->static_->*$method; }
1860     | ";"
1861     ;
1862 /* }}} */
1863
1864 /* 15.1 Scripts {{{ */
1865 Script
1866     : ScriptBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1867     ;
1868
1869 ScriptBody
1870     : StatementList[pass] { $$ = $pass; }
1871     ;
1872
1873 ScriptBodyOpt
1874     : ScriptBody[pass] { $$ = $pass; }
1875     | LexSetStatement LexLet LexOf { $$ = NULL; }
1876     ;
1877 /* }}} */
1878 /* 15.2 Modules {{{ */
1879 Module
1880     : ModuleBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1881     ;
1882
1883 ModuleBody
1884     : ModuleItemList[pass] { $$ = $pass; }
1885     ;
1886
1887 ModuleBodyOpt
1888     : ModuleBody[pass] { $$ = $pass; }
1889     | LexSetStatement LexLet LexOf { $$ = NULL; }
1890     ;
1891
1892 ModuleItemList
1893     : ModuleItem[statement] ModuleItemListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1894     ;
1895
1896 ModuleItemListOpt
1897     : ModuleItemList[pass] { $$ = $pass; }
1898     | LexSetStatement LexLet LexOf { $$ = NULL; }
1899     ;
1900
1901 ModuleItem
1902     : LexSetStatement LexLet LexOf ImportDeclaration[pass] { $$ = $pass; }
1903     | LexSetStatement LexLet LexOf ExportDeclaration { CYNOT(@$); }
1904     | StatementListItem[pass] { $$ = $pass; }
1905     ;
1906 /* }}} */
1907 /* 15.2.2 Imports {{{ */
1908 ImportDeclaration
1909     : "import" ImportClause[specifiers] FromClause[module] Terminator { $$ = CYNew CYImportDeclaration($specifiers, $module); }
1910     | "import" LexOf ModuleSpecifier[module] Terminator { $$ = CYNew CYImportDeclaration(NULL, $module); }
1911     ;
1912
1913 ImportClause
1914     : ImportedDefaultBinding[default] { $$ = $default; }
1915     | LexOf NameSpaceImport[pass] { $$ = $pass; }
1916     | LexOf NamedImports[pass] { $$ = $pass; }
1917     | ImportedDefaultBinding[default] "," NameSpaceImport[next] { $$ = $default; CYSetLast($$) = $next; }
1918     | ImportedDefaultBinding[default] "," NamedImports[next] { $$ = $default; CYSetLast($$) = $next; }
1919     ;
1920
1921 ImportedDefaultBinding
1922     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(CYNew CYIdentifier("default"), $binding); }
1923     ;
1924
1925 NameSpaceImport
1926     : "*" "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(NULL, $binding); }
1927     ;
1928
1929 NamedImports
1930     : "{" ImportsListOpt[pass] "}" { $$ = $pass; }
1931     ;
1932
1933 FromClause
1934     : "from" ModuleSpecifier[pass] { $$ = $pass; }
1935     ;
1936
1937 ImportsList_
1938     : "," ImportsListOpt[pass] { $$ = $pass; }
1939     | { $$ = NULL; }
1940     ;
1941
1942 ImportsList
1943     : ImportSpecifier[import] ImportsList_[next] { $$ = $import; CYSetLast($$) = $next; }
1944     ;
1945
1946 ImportsListOpt
1947     : ImportsList[pass] { $$ = $pass; }
1948     | LexOf { $$ = NULL; }
1949     ;
1950
1951 ImportSpecifier
1952     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($binding, $binding); }
1953     | LexOf IdentifierName[name] "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($name, $binding); }
1954     ;
1955
1956 ModuleSpecifier
1957     : StringLiteral[pass] { $$ = $pass; }
1958     ;
1959
1960 ImportedBinding
1961     : BindingIdentifier[pass] { $$ = $pass; }
1962     ;
1963 /* }}} */
1964 /* 15.2.3 Exports {{{ */
1965 ExportDeclaration_
1966     : "*" FromClause Terminator
1967     | ExportClause FromClause Terminator
1968     | ExportClause Terminator
1969     | VariableStatement
1970     | "default" LexSetStatement LexOf HoistableDeclaration
1971     | "default" LexSetStatement LexOf ClassDeclaration
1972     | "default" LexSetStatement AssignmentExpression Terminator
1973     ;
1974
1975 ExportDeclaration
1976     : "export" LexSetStatement LexLet LexOf ExportDeclaration_
1977     | "export" Declaration
1978     ;
1979
1980 ExportClause
1981     : ";{" ExportsListOpt "}"
1982     ;
1983
1984 ExportsList_
1985     : "," ExportsListOpt
1986     |
1987     ;
1988
1989 ExportsList
1990     : ExportSpecifier ExportsList_
1991     ;
1992
1993 ExportsListOpt
1994     : ExportsList
1995     |
1996     ;
1997
1998 ExportSpecifier
1999     : IdentifierName
2000     | IdentifierName "as" IdentifierName
2001     ;
2002 /* }}} */
2003
2004 @begin C
2005 /* Cycript (C): Type Encoding {{{ */
2006 TypeSignifier
2007     : IdentifierType[identifier] { $$ = CYNew CYTypedIdentifier(@identifier, $identifier); }
2008     | "(" "*" TypeQualifierRightOpt[typed] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2009     ;
2010
2011 TypeSignifierNone
2012     : { $$ = CYNew CYTypedIdentifier(@$); }
2013     ;
2014
2015 TypeSignifierOpt
2016     : TypeSignifier[pass] { $$ = $pass; }
2017     | TypeSignifierNone[pass] { $$ = $pass; }
2018     ;
2019
2020 Restrict
2021     : "__restrict"
2022     | "restrict"
2023     ;
2024
2025 RestrictOpt
2026     : Restrict
2027     |
2028     ;
2029
2030 ParameterModifier
2031     : "throw" "(" ")"
2032     ;
2033
2034 ParameterModifierOpt
2035     : ParameterModifier
2036     |
2037     ;
2038
2039 ParameterTail
2040     : TypedParameterListOpt[formal] ")" ParameterModifierOpt { $$ = CYNew CYTypeFunctionWith($formal->variadic_, $formal->parameters_); }
2041     ;
2042
2043 SuffixedType
2044     : SuffixedTypeOpt[typed] "[" RestrictOpt NumericLiteral[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
2045     | "(" "^" TypeQualifierRightOpt[typed] ")" "(" TypedParameters[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeBlockWith($parameters, $$->modifier_); }
2046     | TypeSignifier[typed] "(" ParameterTail[modifier] { $$ = $typed; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2047     | "("[parenthesis] ParameterTail[modifier] { $$ = CYNew CYTypedIdentifier(@parenthesis); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2048     ;
2049
2050 SuffixedTypeOpt
2051     : SuffixedType[pass] { $$ = $pass; }
2052     | TypeSignifierOpt[pass] { $$ = $pass; }
2053     ;
2054
2055 PrefixedType
2056     : "*" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2057     ;
2058
2059 TypeQualifierLeft
2060     : "const" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeConstant(); }
2061     | "volatile" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeVolatile(); }
2062     ;
2063
2064 TypeQualifierLeftOpt
2065     : TypeQualifierLeft[pass] { $$ = $pass; }
2066     | { $$ = NULL; }
2067     ;
2068
2069 TypeQualifierRight
2070     : SuffixedType[pass] { $$ = $pass; }
2071     | PrefixedType[pass] { $$ = $pass; }
2072     | "const" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
2073     | "volatile" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
2074     | Restrict TypeQualifierRightOpt[typed] { $$ = $typed; }
2075     ;
2076
2077 TypeQualifierRightOpt
2078     : TypeQualifierRight[pass] { $$ = $pass; }
2079     | TypeSignifierOpt[pass] { $$ = $pass; }
2080     ;
2081
2082 IntegerType
2083     : "int" { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2084     | "unsigned" IntegerTypeOpt[integral] { $$ = $integral->Unsigned(); if ($$ == NULL) CYERR(@1, "incompatible unsigned"); }
2085     | "signed" IntegerTypeOpt[integral] { $$ = $integral->Signed(); if ($$ == NULL) CYERR(@1, "incompatible signed"); }
2086     | "long" IntegerTypeOpt[integral] { $$ = $integral->Long(); if ($$ == NULL) CYERR(@1, "incompatible long"); }
2087     | "short" IntegerTypeOpt[integral] { $$ = $integral->Short(); if ($$ == NULL) CYERR(@1, "incompatible short"); }
2088     ;
2089
2090 IntegerTypeOpt
2091     : IntegerType[pass] { $$ = $pass; }
2092     | { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2093     ;
2094
2095 StructFieldListOpt
2096     : TypedIdentifierField[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $next); }
2097     | { $$ = NULL; }
2098     ;
2099
2100 PrimitiveType
2101     : IdentifierType[name] { $$ = CYNew CYTypeVariable($name); }
2102     | IntegerType[pass] { $$ = $pass; }
2103     | "char" { $$ = CYNew CYTypeCharacter(CYTypeNeutral); }
2104     | "signed" "char" { $$ = CYNew CYTypeCharacter(CYTypeSigned); }
2105     | "unsigned" "char" { $$ = CYNew CYTypeCharacter(CYTypeUnsigned); }
2106     | "struct" IdentifierType[name] { $$ = CYNew CYTypeReference($name); }
2107     ;
2108
2109 TypedIdentifierMaybe
2110     : TypeQualifierLeft[modifier] "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2111     | "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
2112     | TypeQualifierLeftOpt[modifier] PrimitiveType[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2113     ;
2114
2115 TypedIdentifierYes
2116     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
2117     ;
2118
2119 TypedIdentifierNo
2120     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
2121     ;
2122
2123 TypedIdentifierField
2124     : TypedIdentifierYes[pass] { $$ = $pass; }
2125     | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2126     ;
2127
2128 TypedIdentifierEncoding
2129     : TypedIdentifierNo[pass] { $$ = $pass; }
2130     | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2131     ;
2132
2133 TypedIdentifierDefinition
2134     : TypedIdentifierYes[pass] { $$ = $pass; }
2135     | TypeQualifierLeftOpt[modifier] "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct($name, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2136     ;
2137
2138 PrimaryExpression
2139     : "@encode" "(" TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYEncodedType($typed); }
2140     ;
2141 /* }}} */
2142 @end
2143
2144 @begin ObjectiveC
2145 /* Cycript (Objective-C): @class Declaration {{{ */
2146 ClassSuperOpt
2147     /* XXX: why the hell did I choose MemberExpression? */
2148     : ":" MemberExpression[extends] { $$ = $extends; }
2149     | { $$ = NULL; }
2150     ;
2151
2152 ImplementationFieldListOpt
2153     : TypedIdentifierField[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $next); }
2154     | { $$ = NULL; }
2155     ;
2156
2157 MessageScope
2158     : "+" { $$ = false; }
2159     | "-" { $$ = true; }
2160     ;
2161
2162 TypeOpt
2163     : "(" TypedIdentifierNo[type] ")" { $$ = $type; }
2164     | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); }
2165     ;
2166
2167 MessageParameter
2168     : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $type->identifier_ = $identifier; $$ = CYNew CYMessageParameter($tag, $type); }
2169     ;
2170
2171 MessageParameterList
2172     : MessageParameter[parameter] MessageParameterListOpt[next] { $parameter->SetNext($next); $$ = $parameter; }
2173     ;
2174
2175 MessageParameterListOpt
2176     : MessageParameterList[pass] { $$ = $pass; }
2177     | TypedParameterList_[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); /*XXX*/ if ($formal->parameters_ != NULL) CYERR(@$, "temporarily unsupported"); $$ = NULL; }
2178     ;
2179
2180 MessageParameters
2181     : MessageParameterList[pass] { $$ = $pass; }
2182     | Word[tag] { $$ = CYNew CYMessageParameter($tag, NULL); }
2183     ;
2184
2185 ClassMessageDeclaration
2186     : MessageScope[instance] TypeOpt[type] MessageParameters[parameters] "{" LexPushSuperOn FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYMessage($instance, $type, $parameters, $code); }
2187     ;
2188
2189 ClassMessageDeclarationListOpt
2190     : ClassMessageDeclarationListOpt[next] ClassMessageDeclaration[message] { $message->SetNext($next); $$ = $message; }
2191     | { $$ = NULL; }
2192     ;
2193
2194 // XXX: this should be AssignmentExpressionNoRight
2195 ClassProtocols
2196     : ShiftExpression[name] ClassProtocolsOpt[next] { $$ = CYNew CYProtocol($name, $next); }
2197     ;
2198
2199 ClassProtocolsOpt
2200     : "," ClassProtocols[protocols] { $$ = $protocols; }
2201     | { $$ = NULL; }
2202     ;
2203
2204 ClassProtocolListOpt
2205     : "<" ClassProtocols[protocols] ">" { $$ = $protocols; }
2206     | { $$ = NULL; }
2207     ;
2208
2209 ImplementationStatement
2210     : "@implementation" Identifier[name] ClassSuperOpt[extends] ClassProtocolListOpt[protocols] "{" ImplementationFieldListOpt[fields] "}" ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYImplementation($name, $extends, $protocols, $fields, $messages); }
2211     ;
2212
2213 CategoryName
2214     : "(" WordOpt ")"
2215     ;
2216
2217 CategoryStatement
2218     : "@implementation" Identifier[name] CategoryName ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYCategory($name, $messages); }
2219     ;
2220
2221 Statement__
2222     : ImplementationStatement[pass] { $$ = $pass; }
2223     | CategoryStatement[pass] { $$ = $pass; }
2224     ;
2225 /* }}} */
2226 /* Cycript (Objective-C): Send Message {{{ */
2227 VariadicCall
2228     : "," AssignmentExpressionClassic[value] VariadicCall[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
2229     | { $$ = NULL; }
2230     ;
2231
2232 SelectorWordOpt
2233     : WordOpt[name] { driver.contexts_.back().words_.push_back($name); } { $$ = $name; }
2234     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
2235     ;
2236
2237 SelectorCall_
2238     : SelectorCall[pass] { $$ = $pass; }
2239     | VariadicCall[pass] { $$ = $pass; }
2240     ;
2241
2242 SelectorCall
2243     : SelectorWordOpt[name] ":" AssignmentExpressionClassic[value] SelectorCall_[next] { $$ = CYNew CYArgument($name ?: CYNew CYWord(""), $value, $next); }
2244     ;
2245
2246 SelectorList
2247     : SelectorCall[pass] { $$ = $pass; }
2248     | Word[name] { $$ = CYNew CYArgument($name, NULL); }
2249     ;
2250
2251 MessageExpression
2252     : "[" AssignmentExpressionClassic[self] { driver.contexts_.push_back($self); } SelectorList[arguments] "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($self, $arguments); }
2253     | "[" LexOf "super" { driver.context_ = NULL; } SelectorList[arguments] "]" { $$ = CYNew CYSendSuper($arguments); }
2254     ;
2255
2256 SelectorExpression_
2257     : WordOpt[name] ":" SelectorExpressionOpt[next] { $$ = CYNew CYSelectorPart($name, true, $next); }
2258     ;
2259
2260 SelectorExpression
2261     : SelectorExpression_[pass] { $$ = $pass; }
2262     | Word[name] { $$ = CYNew CYSelectorPart($name, false, NULL); }
2263     ;
2264
2265 SelectorExpressionOpt
2266     : SelectorExpression_[pass] { $$ = $pass; }
2267     | { $$ = NULL; }
2268     ;
2269
2270 PrimaryExpression
2271     : MessageExpression[pass] { $$ = $pass; }
2272     | "@selector" "(" SelectorExpression[parts] ")" { $$ = CYNew CYSelector($parts); }
2273     ;
2274 /* }}} */
2275 @end
2276
2277 /* Cycript: @import Directive {{{ */
2278 ModulePath
2279     : ModulePath[next] "." Word[part] { $$ = CYNew CYModule($part, $next); }
2280     | Word[part] { $$ = CYNew CYModule($part); }
2281     ;
2282
2283 Declaration_
2284     : "@import" ModulePath[path] { $$ = CYNew CYImport($path); }
2285     ;
2286 /* }}} */
2287
2288 @begin ObjectiveC
2289 /* Cycript (Objective-C): Boxed Expressions {{{ */
2290 BoxableExpression
2291     : NullLiteral[pass] { $$ = $pass; }
2292     | BooleanLiteral[pass] { $$ = $pass; }
2293     | NumericLiteral[pass] { $$ = $pass; }
2294     | StringLiteral[pass] { $$ = $pass; }
2295     | CoverParenthesizedExpressionAndArrowParameterList[pass] { $$ = $pass; }
2296     | "YES" { $$ = CYNew CYTrue(); }
2297     | "NO" { $$ = CYNew CYFalse(); }
2298     ;
2299
2300 KeyValuePairList_
2301     : "," KeyValuePairListOpt[next] { $$ = $next; }
2302     | { $$ = NULL; }
2303
2304 KeyValuePairList
2305     : AssignmentExpression[key] ":" AssignmentExpression[value] KeyValuePairList_[next] { $$ = CYNew CYObjCKeyValue($key, $value, $next); }
2306     ;
2307
2308 KeyValuePairListOpt
2309     : KeyValuePairList[pass] { $$ = $pass; }
2310     | LexOf { $$ = NULL; }
2311     ;
2312
2313 PrimaryExpression
2314     : "@" BoxableExpression[expression] { $$ = CYNew CYBox($expression); }
2315     | "@" "[" ElementListOpt[elements] "]" { $$ = CYNew CYObjCArray($elements); }
2316     | "@" "{" KeyValuePairListOpt[pairs] "}" { $$ = CYNew CYObjCDictionary($pairs); }
2317
2318     | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); }
2319     | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); }
2320     | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); }
2321     | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); }
2322     | "@null" { $$ = CYNew CYBox(CYNew CYNull()); }
2323     ;
2324 /* }}} */
2325 /* Cycript (Objective-C): Block Expressions {{{ */
2326 PrimaryExpression
2327     : "^" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { if (CYTypeFunctionWith *function = $type->Function()) $$ = CYNew CYObjCBlock($type, function->parameters_, $code); else CYERR($type->location_, "expected parameters"); }
2328     ;
2329 /* }}} */
2330 /* Cycript (Objective-C): Instance Literals {{{ */
2331 PrimaryExpression
2332     : "#" NumericLiteral[address] { $$ = CYNew CYInstanceLiteral($address); }
2333     ;
2334 /* }}} */
2335 @end
2336
2337 @begin C
2338 /* Cycript (C): Pointer Indirection/Addressing {{{ */
2339 UnaryExpression_
2340     : IndirectExpression[pass] { $$ = $pass; }
2341     ;
2342
2343 IndirectExpression
2344     : "*" UnaryExpression[rhs] { $$ = CYNew CYIndirect($rhs); }
2345     ;
2346
2347 UnaryExpression_
2348     : "&" UnaryExpression[rhs] { $$ = CYNew CYAddressOf($rhs); }
2349     ;
2350
2351 MemberAccess
2352     : "->" "[" Expression[property] "]" { $$ = CYNew CYIndirectMember(NULL, $property); }
2353     | "->" IdentifierName[property] { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($property)); }
2354     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
2355     ;
2356 /* }}} */
2357 /* Cycript (C): Lambda Expressions {{{ */
2358 TypedParameterList_
2359     : "," TypedParameterList[parameters] { $$ = $parameters; }
2360     | { $$ = CYNew CYTypedFormal(false); }
2361     ;
2362
2363 TypedParameterList
2364     : TypedIdentifierMaybe[typed] TypedParameterList_[formal] { $$ = $formal; $$->parameters_ = CYNew CYTypedParameter($typed, $$->parameters_); }
2365     | "..." { $$ = CYNew CYTypedFormal(true); }
2366     ;
2367
2368 TypedParameterListOpt
2369     : TypedParameterList[pass] { $$ = $pass; }
2370     | "void" { $$ = CYNew CYTypedFormal(false); }
2371     | { $$ = CYNew CYTypedFormal(false); }
2372     ;
2373
2374 TypedParameters
2375     : TypedParameterListOpt[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); $$ = $formal->parameters_; }
2376     ;
2377
2378 PrimaryExpression
2379     : "[" LexOf "&" "]" "(" TypedParameters[parameters] ")" "->" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { $$ = CYNew CYLambda($type, $parameters, $code); }
2380     ;
2381 /* }}} */
2382 /* Cycript (C): Structure Definitions {{{ */
2383 IdentifierNoOf
2384     : "struct" NewLineOpt { $$ = CYNew CYIdentifier("struct"); }
2385     ;
2386
2387 Statement__
2388     : "struct" NewLineNot IdentifierType[name] "{" StructFieldListOpt[fields] "}" { $$ = CYNew CYStructDefinition($name, CYNew CYStructTail($fields)); }
2389     ;
2390
2391 PrimaryExpression
2392     : "(" LexOf "struct" NewLineOpt IdentifierType[name] TypeQualifierRightOpt[typed] ")" { $typed->specifier_ = CYNew CYTypeReference($name); $$ = CYNew CYTypeExpression($typed); }
2393     ;
2394 /* }}} */
2395 /* Cycript (C): Type Definitions {{{ */
2396 IdentifierNoOf
2397     : "typedef" NewLineOpt { $$ = CYNew CYIdentifier("typedef"); }
2398     ;
2399
2400 TypeDefinition
2401     : "typedef" NewLineNot TypedIdentifierDefinition[typed] TerminatorHard { $$ = CYNew CYTypeDefinition($typed); }
2402     ;
2403
2404 Statement__
2405     : TypeDefinition[pass] { $$ = $pass; }
2406     ;
2407
2408 PrimaryExpression
2409     : "(" LexOf "typedef" NewLineOpt TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYTypeExpression($typed); }
2410     ;
2411 /* }}} */
2412 /* Cycript (C): extern "C" {{{ */
2413 IdentifierNoOf
2414     : "extern" NewLineOpt { $$ = CYNew CYIdentifier("extern"); }
2415     ;
2416
2417 ExternCStatement
2418     : TypedIdentifierField[typed] TerminatorHard { $$ = CYNew CYExternal(CYNew CYString("C"), $typed); }
2419     | TypeDefinition[pass] { $$ = $pass; }
2420     ;
2421
2422 ExternCStatementListOpt
2423     : ExternCStatement[statement] ExternCStatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
2424     | { $$ = NULL; }
2425     ;
2426
2427 ExternC
2428     : "{" ExternCStatementListOpt[pass] "}" { $$ = $pass; }
2429     | ExternCStatement[pass] { $$ = $pass; }
2430     ;
2431
2432 Statement__
2433     : "extern" NewLineNot StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); } ExternC[pass] { $$ = $pass; }
2434     ;
2435 /* }}} */
2436 @end
2437
2438 @begin E4X
2439 /* Lexer State {{{ */
2440 LexPushRegExp
2441     : { driver.PushCondition(CYDriver::RegExpCondition); }
2442     ;
2443
2444 LexPushXMLContent
2445     : { driver.PushCondition(CYDriver::XMLContentCondition); }
2446     ;
2447
2448 LexPushXMLTag
2449     : { driver.PushCondition(CYDriver::XMLTagCondition); }
2450     ;
2451
2452 LexPop
2453     : { driver.PopCondition(); }
2454     ;
2455
2456 LexSetXMLContent
2457     : { driver.SetCondition(CYDriver::XMLContentCondition); }
2458     ;
2459
2460 LexSetXMLTag
2461     : { driver.SetCondition(CYDriver::XMLTagCondition); }
2462     ;
2463 /* }}} */
2464 /* Virtual Tokens {{{ */
2465 XMLWhitespaceOpt
2466     : XMLWhitespace
2467     |
2468     ;
2469 /* }}} */
2470
2471 /* 8.1 Context Keywords {{{ */
2472 Identifier
2473     : "namespace" { $$ = CYNew CYIdentifier("namespace"); }
2474     | "xml" { $$ = CYNew CYIdentifier("xml"); }
2475     ;
2476 /* }}} */
2477 /* 8.3 XML Initializer Input Elements {{{ */
2478 XMLMarkup
2479     : XMLComment { $$ = $1; }
2480     | XMLCDATA { $$ = $1; }
2481     | XMLPI { $$ = $1; }
2482     ;
2483 /* }}} */
2484
2485 /* 11.1 Primary Expressions {{{ */
2486 PrimaryExpression
2487     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
2488     | XMLInitilizer { $$ = $1; }
2489     | XMLListInitilizer { $$ = $1; }
2490     ;
2491
2492 PropertyIdentifier
2493     : AttributeIdentifier { $$ = $1; }
2494     | QualifiedIdentifier { $$ = $1; }
2495     | WildcardIdentifier { $$ = $1; }
2496     ;
2497 /* }}} */
2498 /* 11.1.1 Attribute Identifiers {{{ */
2499 AttributeIdentifier
2500     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
2501     ;
2502
2503 PropertySelector_
2504     : PropertySelector { $$ = $1; }
2505     | "[" Expression "]" { $$ = CYNew CYSelector($2); }
2506     ;
2507
2508 PropertySelector
2509     : Identifier { $$ = CYNew CYSelector($1); }
2510     | WildcardIdentifier { $$ = $1; }
2511     ;
2512 /* }}} */
2513 /* 11.1.2 Qualified Identifiers {{{ */
2514 QualifiedIdentifier_
2515     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
2516     | QualifiedIdentifier { $$ = $1; }
2517     ;
2518
2519 QualifiedIdentifier
2520     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
2521     ;
2522 /* }}} */
2523 /* 11.1.3 Wildcard Identifiers {{{ */
2524 WildcardIdentifier
2525     : "*" { $$ = CYNew CYWildcard(); }
2526     ;
2527 /* }}} */
2528 /* 11.1.4 XML Initializer {{{ */
2529 XMLInitilizer
2530     : XMLMarkup { $$ = $1; }
2531     | XMLElement { $$ = $1; }
2532     ;
2533
2534 XMLElement
2535     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
2536     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
2537     ;
2538
2539 XMLTagContent
2540     : LexPushXMLTag XMLTagName XMLAttributes
2541     ;
2542
2543 XMLExpression
2544     : "{" LexPushRegExp Expression LexPop "}"
2545     ;
2546
2547 XMLTagName
2548     : XMLExpression
2549     | XMLName
2550     ;
2551
2552 XMLAttributes_
2553     : XMLAttributes_ XMLAttribute
2554     |
2555     ;
2556
2557 XMLAttributes
2558     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
2559     | XMLAttributes_ XMLWhitespaceOpt
2560     ;
2561
2562 XMLAttributeValue_
2563     : XMLExpression
2564     | XMLAttributeValue
2565     ;
2566
2567 XMLAttribute
2568     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
2569     ;
2570
2571 XMLElementContent
2572     : XMLExpression XMLElementContentOpt
2573     | XMLMarkup XMLElementContentOpt
2574     | XMLText XMLElementContentOpt
2575     | XMLElement XMLElementContentOpt
2576     ;
2577
2578 XMLElementContentOpt
2579     : XMLElementContent
2580     |
2581     ;
2582 /* }}} */
2583 /* 11.1.5 XMLList Initializer {{{ */
2584 XMLListInitilizer
2585     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
2586     ;
2587 /* }}} */
2588
2589 /* 11.2 Left-Hand-Side Expressions {{{ */
2590 PropertyIdentifier_
2591     : Identifier { $$ = $1; }
2592     | PropertyIdentifier { $$ = $1; }
2593     ;
2594
2595 MemberAccess
2596     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
2597     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
2598     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
2599     ;
2600 /* }}} */
2601 /* 12.1 The default xml namespace Statement {{{ */
2602 /* XXX: DefaultXMLNamespaceStatement
2603     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
2604     ;
2605
2606 Statement__
2607     : DefaultXMLNamespaceStatement { $$ = $1; }
2608     ; */
2609 /* }}} */
2610 @end
2611
2612 /* JavaScript FTL: Array Comprehensions {{{ */
2613 Comprehension
2614     : AssignmentExpression[expression] ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2615     ;
2616
2617 ComprehensionFor
2618     : "for" "each" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2619     ;
2620 /* }}} */
2621 /* JavaScript FTL: for each {{{ */
2622 IterationStatement
2623     : "for" "each" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
2624     ;
2625 /* }}} */
2626
2627 /* JavaScript FTW: Array Comprehensions {{{ */
2628 PrimaryExpression
2629     : ArrayComprehension
2630     ;
2631
2632 ArrayComprehension
2633     : "[" Comprehension[comprehension] "]" { $$ = $comprehension; }
2634     ;
2635
2636 Comprehension
2637     : LexOf ComprehensionFor[comprehension] ComprehensionTail[next] AssignmentExpression[expression] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2638     ;
2639
2640 ComprehensionTail
2641     : { $$ = NULL; }
2642     | ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2643     | ComprehensionIf[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2644     ;
2645
2646 ComprehensionFor
2647     : "for" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForInComprehension($binding, $iterable); }
2648     | "for" "(" LexPushInOn LexBind ForBinding[binding] "of" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2649     ;
2650
2651 ComprehensionIf
2652     : "if" "(" AssignmentExpression[test] ")" { $$ = CYNew CYIfComprehension($test); }
2653     ;
2654 /* }}} */
2655 /* JavaScript FTW: Named Arguments {{{ */
2656 ArgumentList
2657     : LexOf WordNoUnary[tag] ":" AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument($tag, $value, $next); }
2658     ;
2659 /* }}} */
2660
2661 /* JavaScript FTW: Ruby Blocks {{{ */
2662 RubyProcParameterList_
2663     : "," RubyProcParameterList[parameters] { $$ = $parameters; }
2664     | { $$ = NULL; }
2665     ;
2666
2667 RubyProcParameterList
2668     : BindingIdentifier[identifier] RubyProcParameterList_[next] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier), $next); }
2669     | LexOf { $$ = NULL; }
2670     ;
2671
2672 RubyProcParameters
2673     : "|" RubyProcParameterList[parameters] "|" { $$ = $parameters; }
2674     | "||" { $$ = NULL; }
2675     ;
2676
2677 RubyProcParametersOpt
2678     : RubyProcParameters[pass] { $$ = $pass; }
2679     | { $$ = NULL; }
2680     ;
2681
2682 RubyProcExpression
2683     : "{" RubyProcParametersOpt[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2684     ;
2685
2686 PrimaryExpression
2687     : "{" RubyProcParameters[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2688     ;
2689
2690 RubyBlockExpression_
2691     : AccessExpression[pass] LexNewLineOrOpt { $$ = $pass; }
2692     | RubyBlockExpression_[lhs] RubyProcExpression[rhs] LexNewLineOrOpt { $$ = CYNew CYRubyBlock($lhs, $rhs); }
2693     ;
2694
2695 RubyBlockExpression
2696     : RubyBlockExpression_[pass] "\n" { $$ = $pass; }
2697     | RubyBlockExpression_[pass] { $$ = $pass; }
2698     ;
2699 /* }}} */
2700 /* JavaScript FTW: Ruby Scopes {{{ */
2701 MemberAccess
2702     : "::" "[" Expression[property] "]" { $$ = CYNew CYResolveMember(NULL, $property); }
2703     | "::" IdentifierName[property] { $$ = CYNew CYResolveMember(NULL, CYNew CYString($property)); }
2704     | "::" AutoComplete { driver.mode_ = CYDriver::AutoResolve; YYACCEPT; }
2705     ;
2706 /* }}} */
2707 /* JavaScript FTW: Ruby Symbols {{{ */
2708 PrimaryExpression
2709     : ":" Word[name] { $$ = CYNew CYSymbol($name->Word()); }
2710     ;
2711 /* }}} */
2712
2713 %%
2714
2715 bool CYDriver::Parse(CYMark mark) {
2716     mark_ = mark;
2717     CYLocal<CYPool> local(&pool_);
2718     cy::parser parser(*this);
2719 #ifdef YYDEBUG
2720     parser.set_debug_level(debug_);
2721 #endif
2722     return parser.parse() != 0;
2723 }
2724
2725 void CYDriver::Warning(const cy::parser::location_type &location, const char *message) {
2726     if (!strict_)
2727         return;
2728
2729     CYDriver::Error error;
2730     error.warning_ = true;
2731     error.location_ = location;
2732     error.message_ = message;
2733     errors_.push_back(error);
2734 }
2735
2736 void cy::parser::error(const cy::parser::location_type &location, const std::string &message) {
2737     CYDriver::Error error;
2738     error.warning_ = false;
2739     error.location_ = location;
2740     error.message_ = message;
2741     driver.errors_.push_back(error);
2742 }