Parser.ypp.in

   1 /* Cycript - The Truly Universal Scripting Language
   2  * Copyright (C) 2009-2016  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 %code top {
  23 #define YYSTACKEXPANDABLE 1
  24 }
  25
  26 %code requires {
  27 #include "Driver.hpp"
  28 #include "Parser.hpp"
  29 #include "Stack.hpp"
  30 #include "Syntax.hpp"
  31 #define CYNew new(driver.pool_)
  32
  33 @begin ObjectiveC
  34 #include "ObjectiveC/Syntax.hpp"
  35 @end
  36
  37 @begin E4X
  38 #include "E4X/Syntax.hpp"
  39 @end
  40
  41 #include "Highlight.hpp"
  42 }
  43
  44 %union { bool bool_; }
  45
  46 %union { CYMember *access_; }
  47 %union { CYArgument *argument_; }
  48 %union { CYAssignment *assignment_; }
  49 %union { CYBinding *binding_; }
  50 %union { CYBindings *bindings_; }
  51 %union { CYBoolean *boolean_; }
  52 %union { CYBraced *braced_; }
  53 %union { CYClause *clause_; }
  54 %union { cy::Syntax::Catch *catch_; }
  55 %union { CYClassTail *classTail_; }
  56 %union { CYComprehension *comprehension_; }
  57 %union { CYElement *element_; }
  58 %union { CYExpression *expression_; }
  59 %union { CYFalse *false_; }
  60 %union { CYVariable *variable_; }
  61 %union { CYFinally *finally_; }
  62 %union { CYForInitializer *for_; }
  63 %union { CYForInInitializer *forin_; }
  64 %union { CYFunctionParameter *functionParameter_; }
  65 %union { CYIdentifier *identifier_; }
  66 %union { CYImportSpecifier *import_; }
  67 %union { CYInfix *infix_; }
  68 %union { CYLiteral *literal_; }
  69 %union { CYMethod *method_; }
  70 %union { CYModule *module_; }
  71 %union { CYNull *null_; }
  72 %union { CYNumber *number_; }
  73 %union { CYParenthetical *parenthetical_; }
  74 %union { CYProperty *property_; }
  75 %union { CYPropertyName *propertyName_; }
  76 %union { CYSpan *span_; }
  77 %union { CYStatement *statement_; }
  78 %union { CYString *string_; }
  79 %union { CYTarget *target_; }
  80 %union { CYThis *this_; }
  81 %union { CYTrue *true_; }
  82 %union { CYWord *word_; }
  83
  84 @begin C
  85 %union { CYTypeIntegral *integral_; }
  86 %union { CYTypeStructField *structField_; }
  87 %union { CYTypeModifier *modifier_; }
  88 %union { CYTypeSpecifier *specifier_; }
  89 %union { CYTypedFormal *typedFormal_; }
  90 %union { CYTypedIdentifier *typedIdentifier_; }
  91 %union { CYTypedParameter *typedParameter_; }
  92 @end
  93
  94 @begin ObjectiveC
  95 %union { CYObjCKeyValue *keyValue_; }
  96 %union { CYImplementationField *implementationField_; }
  97 %union { CYMessage *message_; }
  98 %union { CYMessageParameter *messageParameter_; }
  99 %union { CYProtocol *protocol_; }
 100 %union { CYSelectorPart *selector_; }
 101 @end
 102
 103 @begin E4X
 104 %union { CYAttribute *attribute_; }
 105 %union { CYPropertyIdentifier *propertyIdentifier_; }
 106 %union { CYSelector *selector_; }
 107 @end
 108
 109 %code provides {
 110
 111 struct YYSTYPE {
 112     cy::parser::semantic_type semantic_;
 113     hi::Value highlight_;
 114 };
 115
 116 int cylex(YYSTYPE *, CYLocation *, void *);
 117
 118 }
 119
 120 %code {
 121
 122 #undef yylex
 123
 124 typedef cy::parser::token tk;
 125
 126 _finline int cylex_(cy::parser::semantic_type *semantic, CYLocation *location, CYDriver &driver) {
 127     driver.newline_ = false;
 128   lex:
 129     YYSTYPE data;
 130     int token(cylex(&data, location, driver.scanner_));
 131     *semantic = data.semantic_;
 132
 133     switch (token) {
 134         case tk::OpenBrace:
 135         case tk::OpenBracket:
 136         case tk::OpenParen:
 137             driver.in_.push(false);
 138         break;
 139
 140         case tk::_in_:
 141             if (driver.in_.top())
 142                 token = tk::_in__;
 143         break;
 144
 145         case tk::CloseBrace:
 146         case tk::CloseBracket:
 147         case tk::CloseParen:
 148             driver.in_.pop();
 149         break;
 150
 151
 152         case tk::_yield_:
 153             if (driver.yield_.top())
 154                 token = tk::_yield__;
 155         break;
 156
 157         case tk::NewLine:
 158             driver.newline_ = true;
 159             goto lex;
 160         break;
 161     }
 162
 163     return token;
 164 }
 165
 166 #define yylex_(semantic, location, driver) ({ \
 167     int type; \
 168     if (driver.hold_ == cy::parser::empty_symbol) \
 169         type = yytranslate_(cylex_(semantic, location, driver)); \
 170     else { \
 171         type = driver.hold_; \
 172         driver.hold_ = cy::parser::empty_symbol; \
 173     } \
 174 type; })
 175
 176 #define CYLEX() do if (yyla.empty()) { \
 177     YYCDEBUG << "Mapping a token: "; \
 178     yyla.type = yylex_(&yyla.value, &yyla.location, driver); \
 179     YY_SYMBOL_PRINT("Next token is", yyla); \
 180 } while (false)
 181
 182 #define CYMAP(to, from) do { \
 183     CYLEX(); \
 184     if (yyla.type == yytranslate_(token::from)) \
 185         yyla.type = yytranslate_(token::to); \
 186 } while (false)
 187
 188 #define CYHLD(location, token) do { \
 189     if (driver.hold_ != empty_symbol) \
 190         CYERR(location, "unexpected hold"); \
 191     driver.hold_ = yyla.type; \
 192     yyla.type = yytranslate_(token); \
 193 } while (false)
 194
 195 #define CYERR(location, message) do { \
 196     error(location, message); \
 197     YYABORT; \
 198 } while (false)
 199
 200 #define CYEOK() do { \
 201     yyerrok; \
 202     driver.errors_.pop_back(); \
 203 } while (false)
 204
 205 #define CYNOT(location) \
 206     CYERR(location, "unimplemented feature")
 207
 208 #define CYMPT(location) do { \
 209     if (!yyla.empty() && yyla.type_get() != yyeof_) \
 210         CYERR(location, "unexpected lookahead"); \
 211 } while (false)
 212
 213 }
 214
 215 %name-prefix "cy"
 216
 217 %language "C++"
 218
 219 %initial-action {
 220     @$.begin.filename = @$.end.filename = &driver.filename_;
 221
 222     switch (driver.mark_) {
 223         case CYMarkScript:
 224             driver.hold_ = yytranslate_(token::MarkScript);
 225             break;
 226         case CYMarkModule:
 227             driver.hold_ = yytranslate_(token::MarkModule);
 228             break;
 229     }
 230 };
 231
 232 %locations
 233 %defines
 234
 235 %define api.location.type { CYLocation }
 236
 237 //%glr-parser
 238 //%expect 1
 239
 240 %error-verbose
 241
 242 %param { CYDriver &driver }
 243
 244 /* Token Declarations {{{ */
 245 @begin E4X
 246 %token XMLCDATA
 247 %token XMLComment
 248 %token XMLPI
 249
 250 %token XMLAttributeValue
 251 %token XMLName
 252 %token XMLTagCharacters
 253 %token XMLText
 254 %token XMLWhitespace
 255 @end
 256
 257 @begin E4X
 258 %token LeftRight "<>"
 259 %token LeftSlashRight "</>"
 260
 261 %token SlashRight "/>"
 262 %token LeftSlash "</"
 263
 264 %token PeriodPeriod ".."
 265 @end
 266
 267 @begin E4X ObjectiveC
 268 %token At "@"
 269 %token Pound "#"
 270 @end
 271
 272 %token Ampersand "&"
 273 %token AmpersandAmpersand "&&"
 274 %token AmpersandEqual "&="
 275 %token Carrot "^"
 276 %token CarrotEqual "^="
 277 %token Equal "="
 278 %token EqualEqual "=="
 279 %token EqualEqualEqual "==="
 280 %token EqualRight "=>"
 281 %token Exclamation "!"
 282 %token ExclamationEqual "!="
 283 %token ExclamationEqualEqual "!=="
 284 %token Hyphen "-"
 285 %token HyphenEqual "-="
 286 %token HyphenHyphen "--"
 287 %token HyphenRight "->"
 288 %token Left "<"
 289 %token LeftEqual "<="
 290 %token LeftLeft "<<"
 291 %token LeftLeftEqual "<<="
 292 %token Percent "%"
 293 %token PercentEqual "%="
 294 %token Period "."
 295 %token PeriodPeriodPeriod "..."
 296 %token Pipe "|"
 297 %token PipeEqual "|="
 298 %token PipePipe "||"
 299 %token Plus "+"
 300 %token PlusEqual "+="
 301 %token PlusPlus "++"
 302 %token Right ">"
 303 %token RightEqual ">="
 304 %token RightRight ">>"
 305 %token RightRightEqual ">>="
 306 %token RightRightRight ">>>"
 307 %token RightRightRightEqual ">>>="
 308 %token Slash "/"
 309 %token SlashEqual "/="
 310 %token Star "*"
 311 %token StarEqual "*="
 312 %token Tilde "~"
 313
 314 %token Colon ":"
 315 %token ColonColon "::"
 316 %token Comma ","
 317 %token Question "?"
 318 %token SemiColon ";"
 319 %token NewLine "\n"
 320 %token __ ""
 321
 322 %token Comment
 323
 324 %token OpenParen "("
 325 %token CloseParen ")"
 326
 327 %token OpenBrace "{"
 328 %token OpenBrace_ ";{"
 329 %token OpenBrace_let "let {"
 330 %token CloseBrace "}"
 331
 332 %token OpenBracket "["
 333 %token OpenBracket_let "let ["
 334 %token CloseBracket "]"
 335
 336 %token At_error_ "@error"
 337
 338 @begin Java
 339 %token At_class_ "@class"
 340 @end
 341
 342 @begin C
 343 %token _typedef_ "typedef"
 344 %token _unsigned_ "unsigned"
 345 %token _signed_ "signed"
 346 %token _struct_ "struct"
 347 %token _extern_ "extern"
 348 @end
 349
 350 @begin C
 351 %token At_encode_ "@encode"
 352 @end
 353
 354 @begin ObjectiveC
 355 %token At_implementation_ "@implementation"
 356 %token At_import_ "@import"
 357 %token At_end_ "@end"
 358 %token At_selector_ "@selector"
 359 %token At_null_ "@null"
 360 %token At_YES_ "@YES"
 361 %token At_NO_ "@NO"
 362 %token At_true_ "@true"
 363 %token At_false_ "@false"
 364 %token _YES_ "YES"
 365 %token _NO_ "NO"
 366 @end
 367
 368 %token _false_ "false"
 369 %token _null_ "null"
 370 %token _true_ "true"
 371
 372 %token _as_ "as"
 373 %token _break_ "break"
 374 %token _case_ "case"
 375 %token _catch_ "catch"
 376 %token _class_ "class"
 377 %token _class__ ";class"
 378 %token _const_ "const"
 379 %token _continue_ "continue"
 380 %token _debugger_ "debugger"
 381 %token _default_ "default"
 382 %token _delete_ "delete"
 383 %token _do_ "do"
 384 %token _else_ "else"
 385 %token _enum_ "enum"
 386 %token _export_ "export"
 387 %token _extends_ "extends"
 388 %token _finally_ "finally"
 389 %token _for_ "for"
 390 %token _function_ "function"
 391 %token _function__ ";function"
 392 %token _if_ "if"
 393 %token _import_ "import"
 394 %token _in_ "in"
 395 %token _in__ "!in"
 396 %token _Infinity_ "Infinity"
 397 %token _instanceof_ "instanceof"
 398 %token _new_ "new"
 399 %token _return_ "return"
 400 %token _super_ "super"
 401 %token _switch_ "switch"
 402 %token _target_ "target"
 403 %token _this_ "this"
 404 %token _throw_ "throw"
 405 %token _try_ "try"
 406 %token _typeof_ "typeof"
 407 %token _var_ "var"
 408 %token _void_ "void"
 409 %token _while_ "while"
 410 %token _with_ "with"
 411
 412 %token _abstract_ "abstract"
 413 %token _await_ "await"
 414 %token _boolean_ "boolean"
 415 %token _byte_ "byte"
 416 %token _char_ "char"
 417 %token _constructor_ "constructor"
 418 %token _double_ "double"
 419 %token _eval_ "eval"
 420 %token _final_ "final"
 421 %token _float_ "float"
 422 %token _from_ "from"
 423 %token _get_ "get"
 424 %token _goto_ "goto"
 425 %token _implements_ "implements"
 426 %token _int_ "int"
 427 %token _interface_ "interface"
 428 %token _let_ "let"
 429 %token _let__ "!let"
 430 %token _long_ "long"
 431 %token _native_ "native"
 432 %token _package_ "package"
 433 %token _private_ "private"
 434 %token _protected_ "protected"
 435 %token ___proto___ "__proto__"
 436 %token _prototype_ "prototype"
 437 %token _public_ "public"
 438 %token ___restrict_ "__restrict"
 439 %token _restrict_ "restrict"
 440 %token _set_ "set"
 441 %token _short_ "short"
 442 %token _static_ "static"
 443 %token _synchronized_ "synchronized"
 444 %token _throws_ "throws"
 445 %token _transient_ "transient"
 446 %token _typeid_ "typeid"
 447 %token _volatile_ "volatile"
 448 %token _yield_ "yield"
 449 %token _yield__ "!yield"
 450
 451 %token _undefined_ "undefined"
 452
 453 @begin ObjectiveC
 454 %token _bool_ "bool"
 455 %token _BOOL_ "BOOL"
 456 %token _id_ "id"
 457 %token _nil_ "nil"
 458 %token _NULL_ "NULL"
 459 %token _SEL_ "SEL"
 460 @end
 461
 462 %token _each_ "each"
 463 %token _of_ "of"
 464 %token _of__ "!of"
 465
 466 @begin E4X
 467 %token _namespace_ "namespace"
 468 %token _xml_ "xml"
 469 @end
 470
 471 %token AutoComplete
 472 %token YieldStar "yield *"
 473
 474 %token <identifier_> Identifier_
 475 %token <number_> NumericLiteral
 476 %token <string_> StringLiteral
 477 %token <literal_> RegularExpressionLiteral_
 478
 479 %token <string_> NoSubstitutionTemplate
 480 %token <string_> TemplateHead
 481 %token <string_> TemplateMiddle
 482 %token <string_> TemplateTail
 483
 484 %type <target_> AccessExpression
 485 %type <expression_> AdditiveExpression
 486 %type <argument_> ArgumentList_
 487 %type <argument_> ArgumentList
 488 %type <argument_> ArgumentListOpt
 489 %type <argument_> Arguments
 490 %type <target_> ArrayComprehension
 491 %type <element_> ArrayElement
 492 %type <literal_> ArrayLiteral
 493 %type <expression_> ArrowFunction
 494 %type <functionParameter_> ArrowParameters
 495 %type <expression_> AssignmentExpression
 496 %type <identifier_> BindingIdentifier
 497 %type <identifier_> BindingIdentifierOpt
 498 %type <bindings_> BindingList_
 499 %type <bindings_> BindingList
 500 %type <expression_> BitwiseANDExpression
 501 %type <statement_> Block
 502 %type <statement_> BlockStatement
 503 %type <boolean_> BooleanLiteral
 504 %type <binding_> BindingElement
 505 %type <expression_> BitwiseORExpression
 506 %type <expression_> BitwiseXORExpression
 507 %type <target_> BracedExpression_
 508 %type <target_> BracedExpression
 509 %type <statement_> BreakStatement
 510 %type <statement_> BreakableStatement
 511 %type <expression_> CallExpression_
 512 %type <target_> CallExpression
 513 %type <clause_> CaseBlock
 514 %type <clause_> CaseClause
 515 %type <clause_> CaseClausesOpt
 516 %type <catch_> Catch
 517 %type <identifier_> CatchParameter
 518 %type <statement_> ClassDeclaration
 519 %type <target_> ClassExpression
 520 %type <classTail_> ClassHeritage
 521 %type <classTail_> ClassHeritageOpt
 522 %type <classTail_> ClassTail
 523 %type <target_> Comprehension
 524 %type <comprehension_> ComprehensionFor
 525 %type <comprehension_> ComprehensionIf
 526 %type <comprehension_> ComprehensionTail
 527 %type <propertyName_> ComputedPropertyName
 528 %type <expression_> ConditionalExpression
 529 %type <statement_> ContinueStatement
 530 %type <statement_> ConciseBody
 531 %type <parenthetical_> CoverParenthesizedExpressionAndArrowParameterList
 532 %type <statement_> DebuggerStatement
 533 %type <statement_> Declaration_
 534 %type <statement_> Declaration
 535 %type <clause_> DefaultClause
 536 %type <element_> ElementList_
 537 %type <element_> ElementList
 538 %type <element_> ElementListOpt
 539 %type <statement_> ElseStatementOpt
 540 %type <for_> EmptyStatement
 541 %type <expression_> EqualityExpression
 542 %type <expression_> Expression
 543 %type <expression_> ExpressionOpt
 544 %type <for_> ExpressionStatement_
 545 %type <statement_> ExpressionStatement
 546 %type <statement_> ExternC
 547 %type <statement_> ExternCStatement
 548 %type <statement_> ExternCStatementListOpt
 549 %type <finally_> Finally
 550 %type <binding_> ForBinding
 551 %type <forin_> ForDeclaration
 552 %type <forin_> ForInStatementInitializer
 553 %type <for_> ForStatementInitializer
 554 %type <binding_> FormalParameter
 555 %type <functionParameter_> FormalParameterList_
 556 %type <functionParameter_> FormalParameterList
 557 %type <functionParameter_> FormalParameters
 558 %type <string_> FromClause
 559 %type <statement_> FunctionBody
 560 %type <statement_> FunctionDeclaration
 561 %type <target_> FunctionExpression
 562 %type <statement_> FunctionStatementList
 563 %type <statement_> GeneratorBody
 564 %type <statement_> GeneratorDeclaration
 565 %type <target_> GeneratorExpression
 566 %type <method_> GeneratorMethod
 567 %type <statement_> HoistableDeclaration
 568 %type <identifier_> Identifier
 569 %type <identifier_> IdentifierNoOf
 570 %type <identifier_> IdentifierType
 571 %type <identifier_> IdentifierTypeNoOf
 572 %type <identifier_> IdentifierTypeOpt
 573 %type <word_> IdentifierName
 574 %type <variable_> IdentifierReference
 575 %type <statement_> IfStatement
 576 %type <import_> ImportClause
 577 %type <statement_> ImportDeclaration
 578 %type <import_> ImportSpecifier
 579 %type <identifier_> ImportedBinding
 580 %type <import_> ImportedDefaultBinding
 581 %type <import_> ImportsList_
 582 %type <import_> ImportsList
 583 %type <import_> ImportsListOpt
 584 %type <target_> IndirectExpression
 585 %type <expression_> Initializer
 586 %type <expression_> InitializerOpt
 587 %type <statement_> IterationStatement
 588 %type <identifier_> LabelIdentifier
 589 %type <statement_> LabelledItem
 590 %type <statement_> LabelledStatement
 591 %type <assignment_> LeftHandSideAssignment
 592 %type <target_> LeftHandSideExpression
 593 %type <bool_> LetOrConst
 594 %type <binding_> LexicalBinding
 595 %type <for_> LexicalDeclaration_
 596 %type <statement_> LexicalDeclaration
 597 %type <literal_> Literal
 598 %type <propertyName_> LiteralPropertyName
 599 %type <expression_> LogicalANDExpression
 600 %type <expression_> LogicalORExpression
 601 %type <access_> MemberAccess
 602 %type <target_> MemberExpression
 603 %type <method_> MethodDefinition
 604 %type <statement_> ModuleBody
 605 %type <statement_> ModuleBodyOpt
 606 %type <statement_> ModuleItem
 607 %type <statement_> ModuleItemList
 608 %type <statement_> ModuleItemListOpt
 609 %type <module_> ModulePath
 610 %type <string_> ModuleSpecifier
 611 %type <expression_> MultiplicativeExpression
 612 %type <import_> NameSpaceImport
 613 %type <import_> NamedImports
 614 %type <target_> NewExpression
 615 %type <null_> NullLiteral
 616 %type <literal_> ObjectLiteral
 617 %type <expression_> PostfixExpression
 618 %type <target_> PrimaryExpression
 619 %type <propertyName_> PropertyName
 620 %type <property_> PropertyDefinition
 621 %type <property_> PropertyDefinitionList_
 622 %type <property_> PropertyDefinitionList
 623 %type <property_> PropertyDefinitionListOpt
 624 %type <functionParameter_> PropertySetParameterList
 625 %type <literal_> RegularExpressionLiteral
 626 %type <bool_> RegularExpressionSlash
 627 %type <expression_> RelationalExpression
 628 %type <statement_> ReturnStatement
 629 %type <braced_> BracedParameter
 630 %type <functionParameter_> RubyProcParameterList_
 631 %type <functionParameter_> RubyProcParameterList
 632 %type <functionParameter_> RubyProcParameters
 633 %type <functionParameter_> RubyProcParametersOpt
 634 %type <statement_> Script
 635 %type <statement_> ScriptBody
 636 %type <statement_> ScriptBodyOpt
 637 %type <expression_> ShiftExpression
 638 %type <binding_> SingleNameBinding
 639 %type <statement_> Statement__
 640 %type <statement_> Statement_
 641 %type <statement_> Statement
 642 %type <statement_> StatementList
 643 %type <statement_> StatementListOpt
 644 %type <statement_> StatementListItem
 645 %type <functionParameter_> StrictFormalParameters
 646 %type <target_> SuperCall
 647 %type <target_> SuperProperty
 648 %type <statement_> SwitchStatement
 649 %type <target_> TemplateLiteral
 650 %type <span_> TemplateSpans
 651 %type <statement_> ThrowStatement
 652 %type <statement_> TryStatement
 653 %type <statement_> TypeDefinition
 654 %type <expression_> UnaryExpression_
 655 %type <expression_> UnaryExpression
 656 %type <binding_> VariableDeclaration
 657 %type <bindings_> VariableDeclarationList_
 658 %type <bindings_> VariableDeclarationList
 659 %type <for_> VariableStatement_
 660 %type <statement_> VariableStatement
 661 %type <statement_> WithStatement
 662 %type <word_> Word
 663 %type <word_> WordNoUnary
 664 @begin ObjectiveC
 665 %type <word_> WordOpt
 666 @end
 667 %type <expression_> YieldExpression
 668
 669 @begin C
 670 %type <integral_> IntegerType
 671 %type <integral_> IntegerTypeOpt
 672 %type <typedIdentifier_> PrefixedType
 673 %type <specifier_> PrimitiveType
 674 %type <structField_> StructFieldListOpt
 675 %type <typedIdentifier_> SuffixedType
 676 %type <typedIdentifier_> SuffixedTypeOpt
 677 %type <typedIdentifier_> TypeSignifier
 678 %type <typedIdentifier_> TypeSignifierNone
 679 %type <typedIdentifier_> TypeSignifierOpt
 680 %type <modifier_> ParameterTail
 681 %type <modifier_> TypeQualifierLeft
 682 %type <modifier_> TypeQualifierLeftOpt
 683 %type <typedIdentifier_> TypeQualifierRight
 684 %type <typedIdentifier_> TypeQualifierRightOpt
 685 %type <typedIdentifier_> TypedIdentifierDefinition
 686 %type <typedIdentifier_> TypedIdentifierEncoding
 687 %type <typedIdentifier_> TypedIdentifierField
 688 %type <typedIdentifier_> TypedIdentifierMaybe
 689 %type <typedIdentifier_> TypedIdentifierNo
 690 %type <typedIdentifier_> TypedIdentifierYes
 691 %type <typedFormal_> TypedParameterList_
 692 %type <typedFormal_> TypedParameterList
 693 %type <typedFormal_> TypedParameterListOpt
 694 %type <typedParameter_> TypedParameters
 695 @end
 696
 697 @begin ObjectiveC
 698 %type <expression_> AssignmentExpressionClassic
 699 %type <expression_> BoxableExpression
 700 %type <statement_> CategoryStatement
 701 %type <expression_> ClassSuperOpt
 702 %type <expression_> ConditionalExpressionClassic
 703 %type <message_> ClassMessageDeclaration
 704 %type <message_> ClassMessageDeclarationListOpt
 705 %type <protocol_> ClassProtocolListOpt
 706 %type <protocol_> ClassProtocols
 707 %type <protocol_> ClassProtocolsOpt
 708 %type <implementationField_> ImplementationFieldListOpt
 709 %type <statement_> ImplementationStatement
 710 %type <keyValue_> KeyValuePairList_
 711 %type <keyValue_> KeyValuePairList
 712 %type <keyValue_> KeyValuePairListOpt
 713 %type <target_> MessageExpression
 714 %type <messageParameter_> MessageParameter
 715 %type <messageParameter_> MessageParameters
 716 %type <messageParameter_> MessageParameterList
 717 %type <messageParameter_> MessageParameterListOpt
 718 %type <bool_> MessageScope
 719 %type <argument_> SelectorCall_
 720 %type <argument_> SelectorCall
 721 %type <selector_> SelectorExpression_
 722 %type <selector_> SelectorExpression
 723 %type <selector_> SelectorExpressionOpt
 724 %type <argument_> SelectorList
 725 %type <word_> SelectorWordOpt
 726 %type <typedIdentifier_> TypeOpt
 727 %type <argument_> VariadicCall
 728 @end
 729
 730 @begin E4X
 731 %type <propertyIdentifier_> PropertyIdentifier_
 732 %type <selector_> PropertySelector_
 733 %type <selector_> PropertySelector
 734 %type <identifier_> QualifiedIdentifier_
 735 %type <identifier_> QualifiedIdentifier
 736 %type <identifier_> WildcardIdentifier
 737 %type <identifier_> XMLComment
 738 %type <identifier_> XMLCDATA
 739 %type <identifier_> XMLElement
 740 %type <identifier_> XMLElementContent
 741 %type <identifier_> XMLMarkup
 742 %type <identifier_> XMLPI
 743
 744 %type <attribute_> AttributeIdentifier
 745 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 746 %type <expression_> PropertyIdentifier
 747 %type <expression_> XMLListInitilizer
 748 %type <expression_> XMLInitilizer
 749 @end
 750 /* }}} */
 751 /* Token Priorities {{{ */
 752 %nonassoc "if"
 753 %nonassoc "else"
 754
 755 %nonassoc ":"
 756 %nonassoc "!yield"
 757 /* }}} */
 758
 759 %start Program
 760 %token MarkModule
 761 %token MarkScript
 762
 763 %%
 764
 765 Program
 766     : MarkScript Script
 767     | MarkModule Module
 768     ;
 769
 770 /* Lexer State {{{ */
 771 LexPushInOn: { driver.in_.push(true); };
 772 LexPushInOff: { driver.in_.push(false); };
 773 LexPopIn: { driver.in_.pop(); };
 774
 775 LexPushReturnOn: { driver.return_.push(true); };
 776 LexPopReturn: { driver.return_.pop(); };
 777 Return: "return"[return] { if (!driver.return_.top()) CYERR(@return, "invalid return"); };
 778
 779 LexPushSuperOn: { driver.super_.push(true); };
 780 LexPushSuperOff: { driver.super_.push(false); };
 781 LexPopSuper: { driver.super_.pop(); };
 782 Super: "super"[super] { if (!driver.super_.top()) CYERR(@super, "invalid super"); };
 783
 784 LexPushYieldOn: { driver.yield_.push(true); };
 785 LexPushYieldOff: { driver.yield_.push(false); };
 786 LexPopYield: { driver.yield_.pop(); };
 787
 788 LexNewLineOrOpt
 789     : { CYLEX(); if (driver.newline_) { CYHLD(@$, tk::NewLine); } }
 790     ;
 791
 792 LexNewLineOrNot
 793     : { CYLEX(); CYHLD(@$, driver.newline_ ? tk::NewLine : tk::__); }
 794     ;
 795
 796 LexNoStar
 797     : { CYMAP(YieldStar, Star); }
 798     ;
 799
 800 LexNoBrace
 801     : { CYMAP(OpenBrace_, OpenBrace); }
 802     ;
 803
 804 LexNoClass
 805     : { CYMAP(_class__, _class_); }
 806     ;
 807
 808 LexNoFunction
 809     : { CYMAP(_function__, _function_); }
 810     ;
 811
 812 LexSetStatement
 813     : LexNoBrace LexNoClass LexNoFunction
 814     ;
 815 /* }}} */
 816 /* Virtual Tokens {{{ */
 817 Var_
 818     : "var"
 819     ;
 820 /* }}} */
 821
 822 /* 11.6 Names and Keywords {{{ */
 823 IdentifierName
 824     : Word[pass] { $$ = $pass; }
 825     | "for" { $$ = CYNew CYWord("for"); }
 826     | "in" { $$ = CYNew CYWord("in"); }
 827     | "instanceof" { $$ = CYNew CYWord("instanceof"); }
 828     ;
 829
 830 WordNoUnary
 831     : IdentifierNoOf[pass] { $$ = $pass; }
 832     | "break" { $$ = CYNew CYWord("break"); }
 833     | "case" { $$ = CYNew CYWord("case"); }
 834     | "catch" { $$ = CYNew CYWord("catch"); }
 835     | "class" LexOf { $$ = CYNew CYWord("class"); }
 836     | ";class" { $$ = CYNew CYWord("class"); }
 837     | "const" { $$ = CYNew CYWord("const"); }
 838     | "continue" { $$ = CYNew CYWord("continue"); }
 839     | "debugger" { $$ = CYNew CYWord("debugger"); }
 840     | "default" { $$ = CYNew CYWord("default"); }
 841     | "do" { $$ = CYNew CYWord("do"); }
 842     | "else" { $$ = CYNew CYWord("else"); }
 843     | "enum" { $$ = CYNew CYWord("enum"); }
 844     | "export" { $$ = CYNew CYWord("export"); }
 845     | "extends" { $$ = CYNew CYWord("extends"); }
 846     | "false" { $$ = CYNew CYWord("false"); }
 847     | "finally" { $$ = CYNew CYWord("finally"); }
 848     | "function" LexOf { $$ = CYNew CYWord("function"); }
 849     | "if" { $$ = CYNew CYWord("if"); }
 850     | "import" { $$ = CYNew CYWord("import"); }
 851     | "!in" { $$ = CYNew CYWord("in"); }
 852     | "!of" { $$ = CYNew CYWord("of"); }
 853     | "null" { $$ = CYNew CYWord("null"); }
 854     | "return" { $$ = CYNew CYWord("return"); }
 855     | "super" { $$ = CYNew CYWord("super"); }
 856     | "switch" { $$ = CYNew CYWord("switch"); }
 857     | "this" { $$ = CYNew CYWord("this"); }
 858     | "throw" { $$ = CYNew CYWord("throw"); }
 859     | "true" { $$ = CYNew CYWord("true"); }
 860     | "try" { $$ = CYNew CYWord("try"); }
 861     | "var" { $$ = CYNew CYWord("var"); }
 862     | "while" { $$ = CYNew CYWord("while"); }
 863     | "with" { $$ = CYNew CYWord("with"); }
 864     ;
 865
 866 Word
 867     : WordNoUnary[pass] { $$ = $pass; }
 868     | "delete" { $$ = CYNew CYWord("delete"); }
 869     | "typeof" { $$ = CYNew CYWord("typeof"); }
 870     | "void" { $$ = CYNew CYWord("void"); }
 871     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 872     ;
 873
 874 @begin ObjectiveC
 875 WordOpt
 876     : Word[pass] { $$ = $pass; }
 877     | { $$ = NULL; }
 878     ;
 879 @end
 880 /* }}} */
 881 /* 11.8.1 Null Literals {{{ */
 882 NullLiteral
 883     : "null" { $$ = CYNew CYNull(); }
 884     ;
 885 /* }}} */
 886 /* 11.8.2 Boolean Literals {{{ */
 887 BooleanLiteral
 888     : "true" { $$ = CYNew CYTrue(); }
 889     | "false" { $$ = CYNew CYFalse(); }
 890     ;
 891 /* }}} */
 892 /* 11.8.5 Regular Expression Literals {{{ */
 893 RegularExpressionSlash
 894     : "/" { $$ = false; }
 895     | "/=" { $$ = true; }
 896     ;
 897
 898 RegularExpressionLiteral
 899     : RegularExpressionSlash[equals] { CYMPT(@$); driver.SetRegEx($equals); } RegularExpressionLiteral_[pass] { $$ = $pass; }
 900     ;
 901 /* }}} */
 902
 903 /* 11.9 Automatic Semicolon Insertion {{{ */
 904 StrictSemi
 905     : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); }
 906     ;
 907
 908 NewLineNot
 909     : LexNewLineOrNot ""
 910     ;
 911
 912 NewLineOpt
 913     : LexNewLineOrNot "\n"
 914     | NewLineNot
 915     ;
 916
 917 TerminatorSoft
 918     : LexNewLineOrNot "\n" StrictSemi
 919     | NewLineNot LexOf Terminator
 920     ;
 921
 922 TerminatorHard
 923     : ";"
 924     | error { if (yyla.type_get() != yyeof_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 925     ;
 926
 927 Terminator
 928     : ";"
 929     | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !driver.newline_) CYERR(@error, "required semi-colon"); else CYEOK(); } StrictSemi
 930     ;
 931
 932 TerminatorOpt
 933     : ";"
 934     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 935     ;
 936 /* }}} */
 937
 938 /* 12.1 Identifiers {{{ */
 939 IdentifierReference
 940     : Identifier[pass] { $$ = CYNew CYVariable($pass); }
 941     | "yield" { $$ = CYNew CYVariable(CYNew CYIdentifier("yield")); }
 942     ;
 943
 944 BindingIdentifier
 945     : LexOf IdentifierNoOf[pass] { $$ = $pass; }
 946     | LexOf "!of" { $$ = CYNew CYIdentifier("of"); }
 947     | LexOf "yield" { $$ = CYNew CYIdentifier("yield"); }
 948     ;
 949
 950 BindingIdentifierOpt
 951     : BindingIdentifier[pass] { $$ = $pass; }
 952     | LexOf { $$ = NULL; }
 953     ;
 954
 955 LabelIdentifier
 956     : Identifier[pass] { $$ = $pass; }
 957     | "yield" { $$ = CYNew CYIdentifier("yield"); }
 958     ;
 959
 960 IdentifierTypeNoOf
 961     : Identifier_[pass] { $$ = $pass; }
 962     | "abstract" { $$ = CYNew CYIdentifier("abstract"); }
 963     | "as" { $$ = CYNew CYIdentifier("as"); }
 964     | "await" { $$ = CYNew CYIdentifier("await"); }
 965     | "boolean" { $$ = CYNew CYIdentifier("boolean"); }
 966     | "byte" { $$ = CYNew CYIdentifier("byte"); }
 967     | "constructor" { $$ = CYNew CYIdentifier("constructor"); }
 968     | "double" { $$ = CYNew CYIdentifier("double"); }
 969     | "each" { $$ = CYNew CYIdentifier("each"); }
 970     | "eval" { $$ = CYNew CYIdentifier("eval"); }
 971     | "final" { $$ = CYNew CYIdentifier("final"); }
 972     | "float" { $$ = CYNew CYIdentifier("float"); }
 973     | "from" { $$ = CYNew CYIdentifier("from"); }
 974     | "get" { $$ = CYNew CYIdentifier("get"); }
 975     | "goto" { $$ = CYNew CYIdentifier("goto"); }
 976     | "implements" { $$ = CYNew CYIdentifier("implements"); }
 977     | "Infinity" { $$ = CYNew CYIdentifier("Infinity"); }
 978     | "interface" { $$ = CYNew CYIdentifier("interface"); }
 979     | "let" { $$ = CYNew CYIdentifier("let"); }
 980     | "!let" LexBind LexOf { $$ = CYNew CYIdentifier("let"); }
 981     | "native" { $$ = CYNew CYIdentifier("native"); }
 982     | "package" { $$ = CYNew CYIdentifier("package"); }
 983     | "private" { $$ = CYNew CYIdentifier("private"); }
 984     | "protected" { $$ = CYNew CYIdentifier("protected"); }
 985     | "__proto__" { $$ = CYNew CYIdentifier("__proto__"); }
 986     | "prototype" { $$ = CYNew CYIdentifier("prototype"); }
 987     | "public" { $$ = CYNew CYIdentifier("public"); }
 988     | "set" { $$ = CYNew CYIdentifier("set"); }
 989     | "synchronized" { $$ = CYNew CYIdentifier("synchronized"); }
 990     | "target" { $$ = CYNew CYIdentifier("target"); }
 991     | "throws" { $$ = CYNew CYIdentifier("throws"); }
 992     | "transient" { $$ = CYNew CYIdentifier("transient"); }
 993     | "typeid" { $$ = CYNew CYIdentifier("typeid"); }
 994     | "undefined" { $$ = CYNew CYIdentifier("undefined"); }
 995 @begin ObjectiveC
 996     | "bool" { $$ = CYNew CYIdentifier("bool"); }
 997     | "BOOL" { $$ = CYNew CYIdentifier("BOOL"); }
 998     | "id" { $$ = CYNew CYIdentifier("id"); }
 999     | "SEL" { $$ = CYNew CYIdentifier("SEL"); }
1000 @end
1001     ;
1002
1003 IdentifierType
1004     : IdentifierTypeNoOf[pass] { $$ = $pass; }
1005     | "of" { $$ = CYNew CYIdentifier("of"); }
1006     ;
1007
1008 IdentifierTypeOpt
1009     : IdentifierType[pass] { $$ = $pass; }
1010     | { $$ = NULL; }
1011     ;
1012
1013 IdentifierNoOf
1014     : IdentifierTypeNoOf
1015     | "char" { $$ = CYNew CYIdentifier("char"); }
1016     | "int" { $$ = CYNew CYIdentifier("int"); }
1017     | "long" { $$ = CYNew CYIdentifier("long"); }
1018     | "__restrict" { $$ = CYNew CYIdentifier("__restrict"); }
1019     | "restrict" { $$ = CYNew CYIdentifier("restrict"); }
1020     | "short" { $$ = CYNew CYIdentifier("short"); }
1021     | "static" { $$ = CYNew CYIdentifier("static"); }
1022     | "volatile" { $$ = CYNew CYIdentifier("volatile"); }
1023 @begin C
1024     | "signed" { $$ = CYNew CYIdentifier("signed"); }
1025     | "unsigned" { $$ = CYNew CYIdentifier("unsigned"); }
1026 @end
1027 @begin ObjectiveC
1028     | "nil" { $$ = CYNew CYIdentifier("nil"); }
1029     | "NO" { $$ = CYNew CYIdentifier("NO"); }
1030     | "NULL" { $$ = CYNew CYIdentifier("NULL"); }
1031     | "YES" { $$ = CYNew CYIdentifier("YES"); }
1032 @end
1033     ;
1034
1035 Identifier
1036     : IdentifierNoOf[pass] { $$ = $pass; }
1037     | "of" { $$ = CYNew CYIdentifier("of"); }
1038     | "!of" { $$ = CYNew CYIdentifier("of"); }
1039     ;
1040 /* }}} */
1041 /* 12.2 Primary Expression {{{ */
1042 PrimaryExpression
1043     : "this" { $$ = CYNew CYThis(); }
1044     | IdentifierReference[pass] { $$ = $pass; }
1045     | Literal[pass] { $$ = $pass; }
1046     | ArrayLiteral[pass] { $$ = $pass; }
1047     | ObjectLiteral[pass] { $$ = $pass; }
1048     | FunctionExpression[pass] { $$ = $pass; }
1049     | ClassExpression[pass] { $$ = $pass; }
1050     | GeneratorExpression[pass] { $$ = $pass; }
1051     | RegularExpressionLiteral[pass] { $$ = $pass; }
1052     | TemplateLiteral[pass] { $$ = $pass; }
1053     | CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) CYERR(@cover, "invalid parenthetical"); $$ = $cover; }
1054     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
1055     ;
1056
1057 CoverParenthesizedExpressionAndArrowParameterList
1058     : "(" Expression[expression] ")" { $$ = CYNew CYParenthetical($expression); }
1059     | "(" LexOf ")" { $$ = NULL; }
1060     | "(" LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1061     | "(" Expression "," LexOf "..." BindingIdentifier ")" { CYNOT(@$); }
1062     ;
1063 /* }}} */
1064 /* 12.2.4 Literals {{{ */
1065 Literal
1066     : NullLiteral[pass] { $$ = $pass; }
1067     | BooleanLiteral[pass] { $$ = $pass; }
1068     | NumericLiteral[pass] { $$ = $pass; }
1069     | StringLiteral[pass] { $$ = $pass; }
1070     ;
1071 /* }}} */
1072 /* 12.2.5 Array Initializer {{{ */
1073 ArrayLiteral
1074     : "[" ElementListOpt[elements] "]" { $$ = CYNew CYArray($elements); }
1075     ;
1076
1077 ArrayElement
1078     : AssignmentExpression[value] { $$ = CYNew CYElementValue($value); }
1079     | LexOf "..." AssignmentExpression[values] { $$ = CYNew CYElementSpread($values); }
1080     ;
1081
1082 ElementList_
1083     : "," ElementListOpt[elements] { $$ = $elements; }
1084     | { $$ = NULL; }
1085     ;
1086
1087 ElementList
1088     : ArrayElement[element] ElementList_[next] { $$ = $element; $$->SetNext($next); }
1089     | LexOf "," ElementListOpt[next] { $$ = CYNew CYElementValue(NULL, $next); }
1090     ;
1091
1092 ElementListOpt
1093     : ElementList[pass] { $$ = $pass; }
1094     | LexOf { $$ = NULL; }
1095     ;
1096 /* }}} */
1097 /* 12.2.6 Object Initializer {{{ */
1098 ObjectLiteral
1099     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYObject($properties); }
1100     ;
1101
1102 PropertyDefinitionList_
1103     : "," PropertyDefinitionListOpt[properties] { $$ = $properties; }
1104     | { $$ = NULL; }
1105     ;
1106
1107 PropertyDefinitionList
1108     : PropertyDefinition[property] PropertyDefinitionList_[next] { $property->SetNext($next); $$ = $property; }
1109     ;
1110
1111 PropertyDefinitionListOpt
1112     : PropertyDefinitionList[properties] { $$ = $properties; }
1113     | { $$ = NULL; }
1114     ;
1115
1116 PropertyDefinition
1117     : IdentifierReference[value] { $$ = CYNew CYPropertyValue($value->name_, $value); }
1118     | CoverInitializedName[name] { CYNOT(@$); }
1119     | PropertyName[name] ":" AssignmentExpression[value] { $$ = CYNew CYPropertyValue($name, $value); }
1120     | MethodDefinition[pass] { $$ = $pass; }
1121     ;
1122
1123 PropertyName
1124     : LiteralPropertyName[pass] { $$ = $pass; }
1125     | ComputedPropertyName[pass] { $$ = $pass; }
1126     ;
1127
1128 LiteralPropertyName
1129     : IdentifierName[pass] { $$ = $pass; }
1130     | StringLiteral[pass] { $$ = $pass; }
1131     | NumericLiteral[pass] { $$ = $pass; }
1132     ;
1133
1134 ComputedPropertyName
1135     : "[" AssignmentExpression[expression] "]" { $$ = CYNew CYComputed($expression); }
1136     ;
1137
1138 CoverInitializedName
1139     : IdentifierReference Initializer
1140     ;
1141
1142 Initializer
1143     : "=" AssignmentExpression[initializer] { $$ = $initializer; }
1144     ;
1145
1146 InitializerOpt
1147     : Initializer[pass] { $$ = $pass; }
1148     | { $$ = NULL; }
1149     ;
1150 /* }}} */
1151 /* 12.2.9 Template Literals {{{ */
1152 TemplateLiteral
1153     : NoSubstitutionTemplate[string] { $$ = CYNew CYTemplate($string, NULL); }
1154     | TemplateHead[string] LexPushInOff TemplateSpans[spans] { $$ = CYNew CYTemplate($string, $spans); }
1155     ;
1156
1157 TemplateSpans
1158     : Expression[value] TemplateMiddle[string] TemplateSpans[spans] { $$ = CYNew CYSpan($value, $string, $spans); }
1159     | Expression[value] TemplateTail[string] LexPopIn { $$ = CYNew CYSpan($value, $string, NULL); }
1160     ;
1161 /* }}} */
1162
1163 /* 12.3 Left-Hand-Side Expressions {{{ */
1164 MemberAccess
1165     : "[" Expression[property] "]" { $$ = CYNew CYDirectMember(NULL, $property); }
1166     | "." IdentifierName[property] { $$ = CYNew CYDirectMember(NULL, CYNew CYString($property)); }
1167     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
1168     | TemplateLiteral { CYNOT(@$); }
1169     ;
1170
1171 MemberExpression
1172     : PrimaryExpression[pass] { $$ = $pass; }
1173     | MemberExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1174     | SuperProperty[pass] { $$ = $pass; }
1175     | MetaProperty { CYNOT(@$); }
1176     | "new" MemberExpression[constructor] Arguments[arguments] { $$ = CYNew cy::Syntax::New($constructor, $arguments); }
1177     ;
1178
1179 SuperProperty
1180     : Super "[" Expression[property] "]" { $$ = CYNew CYSuperAccess($property); }
1181     | Super "." IdentifierName[property] { $$ = CYNew CYSuperAccess(CYNew CYString($property)); }
1182     ;
1183
1184 MetaProperty
1185     : NewTarget
1186     ;
1187
1188 NewTarget
1189     : "new" "." "target"
1190     ;
1191
1192 NewExpression
1193     : MemberExpression[pass] { $$ = $pass; }
1194     | "new" NewExpression[expression] { $$ = CYNew cy::Syntax::New($expression, NULL); }
1195     ;
1196
1197 CallExpression_
1198     : MemberExpression[pass] { $$ = $pass; }
1199     | CallExpression[pass] { $$ = $pass; }
1200     ;
1201
1202 CallExpression
1203     : CallExpression_[function] Arguments[arguments] { if (!$function->Eval()) $$ = CYNew CYCall($function, $arguments); else $$ = CYNew CYEval($arguments); }
1204     | SuperCall[pass] { $$ = $pass; }
1205     | CallExpression[object] { driver.context_ = $object; } MemberAccess[member] { $member->SetLeft($object); $$ = $member; }
1206     ;
1207
1208 SuperCall
1209     : Super Arguments[arguments] { $$ = CYNew CYSuperCall($arguments); }
1210     ;
1211
1212 Arguments
1213     : "(" ArgumentListOpt[arguments] ")" { $$ = $arguments; }
1214     ;
1215
1216 ArgumentList_
1217     : "," ArgumentList[arguments] { $$ = $arguments; }
1218     | { $$ = NULL; }
1219     ;
1220
1221 ArgumentList
1222     : AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
1223     | LexOf "..." AssignmentExpression { CYNOT(@$); }
1224     ;
1225
1226 ArgumentListOpt
1227     : ArgumentList[pass] { $$ = $pass; }
1228     | LexOf { $$ = NULL; }
1229     ;
1230
1231 AccessExpression
1232     : NewExpression[pass] { $$ = $pass; }
1233     | CallExpression[pass] { $$ = $pass; }
1234     ;
1235
1236 LeftHandSideExpression
1237     : BracedExpression[pass] { $$ = $pass; }
1238     | IndirectExpression[pass] { $$ = $pass; }
1239     ;
1240 /* }}} */
1241 /* 12.4 Postfix Expressions {{{ */
1242 PostfixExpression
1243     : BracedExpression[pass] { $$ = $pass; }
1244     | AccessExpression[lhs] LexNewLineOrOpt "++" { $$ = CYNew CYPostIncrement($lhs); }
1245     | AccessExpression[lhs] LexNewLineOrOpt "--" { $$ = CYNew CYPostDecrement($lhs); }
1246     ;
1247 /* }}} */
1248 /* 12.5 Unary Operators {{{ */
1249 UnaryExpression_
1250     : "delete" UnaryExpression[rhs] { $$ = CYNew CYDelete($rhs); }
1251     | "void" UnaryExpression[rhs] { $$ = CYNew CYVoid($rhs); }
1252     | "typeof" UnaryExpression[rhs] { $$ = CYNew CYTypeOf($rhs); }
1253     | "++" UnaryExpression[rhs] { $$ = CYNew CYPreIncrement($rhs); }
1254     | "--" UnaryExpression[rhs] { $$ = CYNew CYPreDecrement($rhs); }
1255     | "+" UnaryExpression[rhs] { $$ = CYNew CYAffirm($rhs); }
1256     | "-" UnaryExpression[rhs] { $$ = CYNew CYNegate($rhs); }
1257     | "~" UnaryExpression[rhs] { $$ = CYNew CYBitwiseNot($rhs); }
1258     | "!" UnaryExpression[rhs] { $$ = CYNew CYLogicalNot($rhs); }
1259     ;
1260
1261 UnaryExpression
1262     : PostfixExpression[expression] { $$ = $expression; }
1263     | UnaryExpression_[pass] { $$ = $pass; }
1264     ;
1265 /* }}} */
1266 /* 12.6 Multiplicative Operators {{{ */
1267 MultiplicativeExpression
1268     : UnaryExpression[pass] { $$ = $pass; }
1269     | MultiplicativeExpression[lhs] "*" UnaryExpression[rhs] { $$ = CYNew CYMultiply($lhs, $rhs); }
1270     | MultiplicativeExpression[lhs] "/" UnaryExpression[rhs] { $$ = CYNew CYDivide($lhs, $rhs); }
1271     | MultiplicativeExpression[lhs] "%" UnaryExpression[rhs] { $$ = CYNew CYModulus($lhs, $rhs); }
1272     ;
1273 /* }}} */
1274 /* 12.7 Additive Operators {{{ */
1275 AdditiveExpression
1276     : MultiplicativeExpression[pass] { $$ = $pass; }
1277     | AdditiveExpression[lhs] "+" MultiplicativeExpression[rhs] { $$ = CYNew CYAdd($lhs, $rhs); }
1278     | AdditiveExpression[lhs] "-" MultiplicativeExpression[rhs] { $$ = CYNew CYSubtract($lhs, $rhs); }
1279     ;
1280 /* }}} */
1281 /* 12.8 Bitwise Shift Operators {{{ */
1282 ShiftExpression
1283     : AdditiveExpression[pass] { $$ = $pass; }
1284     | ShiftExpression[lhs] "<<" AdditiveExpression[rhs] { $$ = CYNew CYShiftLeft($lhs, $rhs); }
1285     | ShiftExpression[lhs] ">>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightSigned($lhs, $rhs); }
1286     | ShiftExpression[lhs] ">>>" AdditiveExpression[rhs] { $$ = CYNew CYShiftRightUnsigned($lhs, $rhs); }
1287     ;
1288 /* }}} */
1289 /* 12.9 Relational Operators {{{ */
1290 RelationalExpression
1291     : ShiftExpression[pass] { $$ = $pass; }
1292     | RelationalExpression[lhs] "<" ShiftExpression[rhs] { $$ = CYNew CYLess($lhs, $rhs); }
1293     | RelationalExpression[lhs] ">" ShiftExpression[rhs] { $$ = CYNew CYGreater($lhs, $rhs); }
1294     | RelationalExpression[lhs] "<=" ShiftExpression[rhs] { $$ = CYNew CYLessOrEqual($lhs, $rhs); }
1295     | RelationalExpression[lhs] ">=" ShiftExpression[rhs] { $$ = CYNew CYGreaterOrEqual($lhs, $rhs); }
1296     | RelationalExpression[lhs] "instanceof" ShiftExpression[rhs] { $$ = CYNew CYInstanceOf($lhs, $rhs); }
1297     | RelationalExpression[lhs] "in" ShiftExpression[rhs] { $$ = CYNew CYIn($lhs, $rhs); }
1298     ;
1299 /* }}} */
1300 /* 12.10 Equality Operators {{{ */
1301 EqualityExpression
1302     : RelationalExpression[pass] { $$ = $pass; }
1303     | EqualityExpression[lhs] "==" RelationalExpression[rhs] { $$ = CYNew CYEqual($lhs, $rhs); }
1304     | EqualityExpression[lhs] "!=" RelationalExpression[rhs] { $$ = CYNew CYNotEqual($lhs, $rhs); }
1305     | EqualityExpression[lhs] "===" RelationalExpression[rhs] { $$ = CYNew CYIdentical($lhs, $rhs); }
1306     | EqualityExpression[lhs] "!==" RelationalExpression[rhs] { $$ = CYNew CYNotIdentical($lhs, $rhs); }
1307     ;
1308 /* }}} */
1309 /* 12.11 Binary Bitwise Operators {{{ */
1310 BitwiseANDExpression
1311     : EqualityExpression[pass] { $$ = $pass; }
1312     | BitwiseANDExpression[lhs] "&" EqualityExpression[rhs] { $$ = CYNew CYBitwiseAnd($lhs, $rhs); }
1313     ;
1314
1315 BitwiseXORExpression
1316     : BitwiseANDExpression[pass] { $$ = $pass; }
1317     | BitwiseXORExpression[lhs] "^" BitwiseANDExpression[rhs] { $$ = CYNew CYBitwiseXOr($lhs, $rhs); }
1318     ;
1319
1320 BitwiseORExpression
1321     : BitwiseXORExpression[pass] { $$ = $pass; }
1322     | BitwiseORExpression[lhs] "|" BitwiseXORExpression[rhs] { $$ = CYNew CYBitwiseOr($lhs, $rhs); }
1323     ;
1324 /* }}} */
1325 /* 12.12 Binary Logical Operators {{{ */
1326 LogicalANDExpression
1327     : BitwiseORExpression[pass] { $$ = $pass; }
1328     | LogicalANDExpression[lhs] "&&" BitwiseORExpression[rhs] { $$ = CYNew CYLogicalAnd($lhs, $rhs); }
1329     ;
1330
1331 LogicalORExpression
1332     : LogicalANDExpression[pass] { $$ = $pass; }
1333     | LogicalORExpression[lhs] "||" LogicalANDExpression[rhs] { $$ = CYNew CYLogicalOr($lhs, $rhs); }
1334     ;
1335 /* }}} */
1336 /* 12.13 Conditional Operator ( ? : ) {{{ */
1337 @begin ObjectiveC
1338 ConditionalExpressionClassic
1339     : LogicalORExpression[pass] { $$ = $pass; }
1340     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpressionClassic[false] { $$ = CYNew CYCondition($test, $true, $false); }
1341     ;
1342 @end
1343
1344 ConditionalExpression
1345     : LogicalORExpression[pass] { $$ = $pass; }
1346     | LogicalORExpression[test] "?" LexPushInOff AssignmentExpression[true] ":" LexPopIn AssignmentExpression[false] { $$ = CYNew CYCondition($test, $true, $false); }
1347     ;
1348 /* }}} */
1349 /* 12.14 Assignment Operators {{{ */
1350 LeftHandSideAssignment
1351     : LeftHandSideExpression[lhs] "=" { $$ = CYNew CYAssign($lhs, NULL); }
1352     | LeftHandSideExpression[lhs] "*=" { $$ = CYNew CYMultiplyAssign($lhs, NULL); }
1353     | LeftHandSideExpression[lhs] "/=" { $$ = CYNew CYDivideAssign($lhs, NULL); }
1354     | LeftHandSideExpression[lhs] "%=" { $$ = CYNew CYModulusAssign($lhs, NULL); }
1355     | LeftHandSideExpression[lhs] "+=" { $$ = CYNew CYAddAssign($lhs, NULL); }
1356     | LeftHandSideExpression[lhs] "-=" { $$ = CYNew CYSubtractAssign($lhs, NULL); }
1357     | LeftHandSideExpression[lhs] "<<=" { $$ = CYNew CYShiftLeftAssign($lhs, NULL); }
1358     | LeftHandSideExpression[lhs] ">>=" { $$ = CYNew CYShiftRightSignedAssign($lhs, NULL); }
1359     | LeftHandSideExpression[lhs] ">>>=" { $$ = CYNew CYShiftRightUnsignedAssign($lhs, NULL); }
1360     | LeftHandSideExpression[lhs] "&=" { $$ = CYNew CYBitwiseAndAssign($lhs, NULL); }
1361     | LeftHandSideExpression[lhs] "^=" { $$ = CYNew CYBitwiseXOrAssign($lhs, NULL); }
1362     | LeftHandSideExpression[lhs] "|=" { $$ = CYNew CYBitwiseOrAssign($lhs, NULL); }
1363     ;
1364
1365 @begin ObjectiveC
1366 AssignmentExpressionClassic
1367     : LexOf ConditionalExpressionClassic[pass] { $$ = $pass; }
1368     | LexOf LeftHandSideAssignment[assignment] AssignmentExpressionClassic[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1369     ;
1370 @end
1371
1372 AssignmentExpression
1373     : LexOf ConditionalExpression[pass] { $$ = $pass; }
1374     | LexOf YieldExpression[pass] { $$ = $pass; }
1375     | ArrowFunction[pass] { $$ = $pass; }
1376     | LexOf LeftHandSideAssignment[assignment] AssignmentExpression[rhs] { $assignment->SetRight($rhs); $$ = $assignment; }
1377     ;
1378 /* }}} */
1379 /* 12.15 Comma Operator ( , ) {{{ */
1380 Expression
1381     : AssignmentExpression[pass] { $$ = $pass; }
1382     | Expression[expression] "," AssignmentExpression[next] { $$ = CYNew CYCompound($expression, $next); }
1383     ;
1384
1385 ExpressionOpt
1386     : Expression[pass] { $$ = $pass; }
1387     | LexOf { $$ = NULL; }
1388     ;
1389 /* }}} */
1390
1391 /* 13 Statements and Declarations {{{ */
1392 Statement__
1393     : BlockStatement[pass] { $$ = $pass; }
1394     | VariableStatement[pass] { $$ = $pass; }
1395     | EmptyStatement[pass] { $$ = $pass; }
1396     | IfStatement[pass] { $$ = $pass; }
1397     | BreakableStatement[pass] { $$ = $pass; }
1398     | ContinueStatement[pass] { $$ = $pass; }
1399     | BreakStatement[pass] { $$ = $pass; }
1400     | ReturnStatement[pass] { $$ = $pass; }
1401     | WithStatement[pass] { $$ = $pass; }
1402     | LabelledStatement[pass] { $$ = $pass; }
1403     | ThrowStatement[pass] { $$ = $pass; }
1404     | TryStatement[pass] { $$ = $pass; }
1405     | DebuggerStatement[pass] { $$ = $pass; }
1406     ;
1407
1408 Statement_
1409     : LexOf Statement__[pass] { $$ = $pass; }
1410     | ExpressionStatement[pass] { $$ = $pass; }
1411     ;
1412
1413 Statement
1414     : LexSetStatement LexLet Statement_[pass] { $$ = $pass; }
1415     ;
1416
1417 Declaration_
1418     : HoistableDeclaration[pass] { $$ = $pass; }
1419     | ClassDeclaration[pass] { $$ = $pass; }
1420     ;
1421
1422 Declaration
1423     : LexSetStatement LexLet LexOf Declaration_[pass] { $$ = $pass; }
1424     | LexSetStatement LexicalDeclaration[pass] { $$ = $pass; }
1425     ;
1426
1427 HoistableDeclaration
1428     : FunctionDeclaration[pass] { $$ = $pass; }
1429     | GeneratorDeclaration[pass] { $$ = $pass; }
1430     ;
1431
1432 BreakableStatement
1433     : IterationStatement[pass] { $$ = $pass; }
1434     | SwitchStatement[pass] { $$ = $pass; }
1435     ;
1436 /* }}} */
1437 /* 13.2 Block {{{ */
1438 BlockStatement
1439     : ";{" StatementListOpt[code] "}" { $$ = CYNew CYBlock($code); }
1440     ;
1441
1442 Block
1443     : "{" StatementListOpt[code] "}" { $$ = $code; }
1444     ;
1445
1446 StatementList
1447     : StatementListItem[statement] StatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1448     ;
1449
1450 StatementListOpt
1451     : StatementList[pass] { $$ = $pass; }
1452     | LexSetStatement LexLet LexOf { $$ = NULL; }
1453     ;
1454
1455 StatementListItem
1456     : Statement[pass] { $$ = $pass; }
1457     | Declaration[pass] { $$ = $pass; }
1458     ;
1459 /* }}} */
1460 /* 13.3 Let and Const Declarations {{{ */
1461 LexicalDeclaration_
1462     : LetOrConst[constant] BindingList[bindings] { $$ = CYNew CYLexical($constant, $bindings); }
1463     ;
1464
1465 LexicalDeclaration
1466     : LexicalDeclaration_[statement] Terminator { $$ = $statement; }
1467     ;
1468
1469 LexLet
1470     : { CYMAP(_let__, _let_); }
1471     ;
1472
1473 LexOf
1474     : { CYMAP(_of__, _of_); }
1475     ;
1476
1477 LexBind
1478     : { CYMAP(OpenBrace_let, OpenBrace); CYMAP(OpenBracket_let, OpenBracket); }
1479     ;
1480
1481 LetOrConst
1482     : LexLet LexOf "!let" LexBind LexOf { $$ = false; }
1483     | LexLet LexOf "const" { $$ = true; }
1484     ;
1485
1486 BindingList_
1487     : "," LexBind BindingList[bindings] { $$ = $bindings; }
1488     | { $$ = NULL; }
1489     ;
1490
1491 BindingList
1492     : LexicalBinding[binding] BindingList_[next] { $$ = CYNew CYBindings($binding, $next); }
1493     ;
1494
1495 LexicalBinding
1496     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1497     | LexOf BindingPattern Initializer { CYNOT(@$); }
1498     ;
1499 /* }}} */
1500 /* 13.3.2 Variable Statement {{{ */
1501 VariableStatement_
1502     : Var_ VariableDeclarationList[bindings] { $$ = CYNew CYVar($bindings); }
1503     ;
1504
1505 VariableStatement
1506     : VariableStatement_[statement] Terminator { $$ = $statement; }
1507     ;
1508
1509 VariableDeclarationList_
1510     : "," VariableDeclarationList[bindings] { $$ = $bindings; }
1511     | { $$ = NULL; }
1512     ;
1513
1514 VariableDeclarationList
1515     : LexBind VariableDeclaration[binding] VariableDeclarationList_[next] { $$ = CYNew CYBindings($binding, $next); }
1516     ;
1517
1518 VariableDeclaration
1519     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1520     | LexOf BindingPattern Initializer { CYNOT(@$); }
1521     ;
1522 /* }}} */
1523 /* 13.3.3 Destructuring Binding Patterns {{{ */
1524 BindingPattern
1525     : ObjectBindingPattern
1526     | ArrayBindingPattern
1527     ;
1528
1529 ObjectBindingPattern
1530     : "let {" BindingPropertyListOpt "}"
1531     ;
1532
1533 ArrayBindingPattern
1534     : "let [" BindingElementListOpt "]"
1535     ;
1536
1537 BindingPropertyList_
1538     : "," BindingPropertyListOpt
1539     |
1540     ;
1541
1542 BindingPropertyList
1543     : BindingProperty BindingPropertyList_
1544     ;
1545
1546 BindingPropertyListOpt
1547     : BindingPropertyList
1548     | LexOf
1549     ;
1550
1551 BindingElementList
1552     : BindingElementOpt[element] "," BindingElementListOpt[next]
1553     | BindingRestElement[element]
1554     | BindingElement[element]
1555     ;
1556
1557 BindingElementListOpt
1558     : BindingElementList[pass]
1559     | LexBind LexOf
1560     ;
1561
1562 BindingProperty
1563     : SingleNameBinding
1564     | LexOf PropertyName ":" BindingElement
1565     ;
1566
1567 BindingElement
1568     : LexBind SingleNameBinding[pass] { $$ = $pass; }
1569     | LexBind LexOf BindingPattern InitializerOpt[initializer] { CYNOT(@$); }
1570     ;
1571
1572 BindingElementOpt
1573     : BindingElement[pass]
1574     | LexBind LexOf
1575     ;
1576
1577 SingleNameBinding
1578     : BindingIdentifier[identifier] InitializerOpt[initializer] { $$ = CYNew CYBinding($identifier, $initializer); }
1579     ;
1580
1581 BindingRestElement
1582     : LexBind LexOf "..." BindingIdentifier
1583     ;
1584 /* }}} */
1585 /* 13.4 Empty Statement {{{ */
1586 EmptyStatement
1587     : ";" { $$ = CYNew CYEmpty(); }
1588     ;
1589 /* }}} */
1590 /* 13.5 Expression Statement {{{ */
1591 ExpressionStatement_
1592     : Expression[expression] { $$ = CYNew CYExpress($[expression]); }
1593
1594 ExpressionStatement
1595     : ExpressionStatement_[statement] Terminator { $$ = $statement; }
1596     ;
1597 /* }}} */
1598 /* 13.6 The if Statement {{{ */
1599 ElseStatementOpt
1600     : "else" Statement[false] { $$ = $false; }
1601     | %prec "if" { $$ = NULL; }
1602     ;
1603
1604 IfStatement
1605     : "if" "(" Expression[test] ")" Statement[true] ElseStatementOpt[false] { $$ = CYNew CYIf($test, $true, $false); }
1606     ;
1607 /* }}} */
1608 /* 13.7 Iteration Statements {{{ */
1609 IterationStatement
1610     : "do" Statement[code] "while" "(" Expression[test] ")" TerminatorOpt { $$ = CYNew CYDoWhile($test, $code); }
1611     | "while" "(" Expression[test] ")" Statement[code] { $$ = CYNew CYWhile($test, $code); }
1612     | "for" "(" LexPushInOn ForStatementInitializer[initializer] LexPopIn ExpressionOpt[test] ";" ExpressionOpt[increment] ")" Statement[code] { $$ = CYNew CYFor($initializer, $test, $increment, $code); }
1613     | "for" "(" LexPushInOn LexLet LexOf Var_ LexBind BindingIdentifier[identifier] Initializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForInitialized(CYNew CYBinding($identifier, $initializer), $iterable, $code); }
1614     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForIn($initializer, $iterable, $code); }
1615     | "for" "(" LexPushInOn ForInStatementInitializer[initializer] "of" LexPopIn AssignmentExpression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
1616     ;
1617
1618 ForStatementInitializer
1619     : LexLet LexOf EmptyStatement[pass] { $$ = $pass; }
1620     | LexLet ExpressionStatement_[initializer] ";" { $$ = $initializer; }
1621     | LexLet LexOf VariableStatement_[initializer] ";" { $$ = $initializer; }
1622     | LexicalDeclaration_[initializer] ";" { $$ = $initializer; }
1623     ;
1624
1625 ForInStatementInitializer
1626     : LexLet LexOf BracedExpression[pass] { $$ = $pass; }
1627     | LexLet LexOf IndirectExpression[pass] { $$ = $pass; }
1628     | LexLet LexOf Var_ LexBind ForBinding[binding] { $$ = CYNew CYForVariable($binding); }
1629     | ForDeclaration[pass] { $$ = $pass; }
1630     ;
1631
1632 ForDeclaration
1633     : LetOrConst[constant] ForBinding[binding] { $$ = CYNew CYForLexical($constant, $binding); }
1634     ;
1635
1636 ForBinding
1637     : BindingIdentifier[identifier] { $$ = CYNew CYBinding($identifier, NULL); }
1638     | LexOf BindingPattern { CYNOT(@$); }
1639     ;
1640 /* }}} */
1641 /* 13.8 The continue Statement {{{ */
1642 ContinueStatement
1643     : "continue" TerminatorSoft { $$ = CYNew CYContinue(NULL); }
1644     | "continue" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYContinue($label); }
1645     ;
1646 /* }}} */
1647 /* 13.9 The break Statement {{{ */
1648 BreakStatement
1649     : "break" TerminatorSoft { $$ = CYNew CYBreak(NULL); }
1650     | "break" NewLineNot LexOf Identifier[label] Terminator { $$ = CYNew CYBreak($label); }
1651     ;
1652 /* }}} */
1653 /* 13.10 The return Statement {{{ */
1654 ReturnStatement
1655     : Return TerminatorSoft { $$ = CYNew CYReturn(NULL); }
1656     | Return NewLineNot Expression[value] Terminator { $$ = CYNew CYReturn($value); }
1657     ;
1658 /* }}} */
1659 /* 13.11 The with Statement {{{ */
1660 WithStatement
1661     : "with" "(" Expression[scope] ")" Statement[code] { $$ = CYNew CYWith($scope, $code); }
1662     ;
1663 /* }}} */
1664 /* 13.12 The switch Statement {{{ */
1665 SwitchStatement
1666     : "switch" "(" Expression[value] ")" CaseBlock[clauses] { $$ = CYNew CYSwitch($value, $clauses); }
1667     ;
1668
1669 CaseBlock
1670     : "{" CaseClausesOpt[clauses] "}" { $$ = $clauses; }
1671     ;
1672
1673 CaseClause
1674     : "case" Expression[value] ":" StatementListOpt[code] { $$ = CYNew CYClause($value, $code); }
1675     ;
1676
1677 CaseClausesOpt
1678     : CaseClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1679     | DefaultClause[clause] CaseClausesOpt[next] { $clause->SetNext($next); $$ = $clause; }
1680     | { $$ = NULL; }
1681     ;
1682
1683 // XXX: the standard makes certain you can only have one of these
1684 DefaultClause
1685     : "default" ":" StatementListOpt[code] { $$ = CYNew CYClause(NULL, $code); }
1686     ;
1687 /* }}} */
1688 /* 13.13 Labelled Statements {{{ */
1689 LabelledStatement
1690     : LabelIdentifier[name] ":" LabelledItem[statement] { $$ = CYNew CYLabel($name, $statement); }
1691     ;
1692
1693 LabelledItem
1694     : Statement[pass] { $$ = $pass; }
1695     | LexSetStatement LexLet LexOf FunctionDeclaration[pass] { $$ = $pass; }
1696     ;
1697 /* }}} */
1698 /* 13.14 The throw Statement {{{ */
1699 ThrowStatement
1700     : "throw"[throw] TerminatorSoft { CYERR(@throw, "throw without exception"); }
1701     | "throw" NewLineNot Expression[value] Terminator { $$ = CYNew cy::Syntax::Throw($value); }
1702     ;
1703 /* }}} */
1704 /* 13.15 The try Statement {{{ */
1705 TryStatement
1706     : "try" Block[code] Catch[catch] { $$ = CYNew cy::Syntax::Try($code, $catch, NULL); }
1707     | "try" Block[code] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, NULL, $finally); }
1708     | "try" Block[code] Catch[catch] Finally[finally] { $$ = CYNew cy::Syntax::Try($code, $catch, $finally); }
1709     ;
1710
1711 Catch
1712     : "catch" "(" LexBind CatchParameter[name] ")" Block[code] { $$ = CYNew cy::Syntax::Catch($name, $code); }
1713     ;
1714
1715 Finally
1716     : "finally" Block[code] { $$ = CYNew CYFinally($code); }
1717     ;
1718
1719 CatchParameter
1720     : BindingIdentifier[pass] { $$ = $pass; }
1721     | LexOf BindingPattern { CYNOT(@$); }
1722     ;
1723 /* }}} */
1724 /* 13.16 The debugger Statement {{{ */
1725 DebuggerStatement
1726     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1727     ;
1728 /* }}} */
1729
1730 /* 14.1 Function Definitions {{{ */
1731 FunctionDeclaration
1732     : ";function" BindingIdentifier[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionStatement($name, $parameters, $code); }
1733     ;
1734
1735 FunctionExpression
1736     : "function" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" LexPushSuperOff FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYFunctionExpression($name, $parameters, $code); }
1737     ;
1738
1739 StrictFormalParameters
1740     : FormalParameters[pass] { $$ = $pass; }
1741     ;
1742
1743 FormalParameters
1744     : LexBind LexOf { $$ = NULL; }
1745     | FormalParameterList
1746     ;
1747
1748 FormalParameterList_
1749     : "," FormalParameterList[parameters] { $$ = $parameters; }
1750     | { $$ = NULL; }
1751     ;
1752
1753 FormalParameterList
1754     : FunctionRestParameter { CYNOT(@$); }
1755     | FormalParameter[binding] FormalParameterList_[next] { $$ = CYNew CYFunctionParameter($binding, $next); }
1756     ;
1757
1758 FunctionRestParameter
1759     : BindingRestElement
1760     ;
1761
1762 FormalParameter
1763     : BindingElement[pass] { $$ = $pass; }
1764     ;
1765
1766 FunctionBody
1767     : LexPushYieldOff FunctionStatementList[code] LexPopYield { $$ = $code; }
1768     ;
1769
1770 FunctionStatementList
1771     : LexPushReturnOn StatementListOpt[code] LexPopReturn { $$ = $code; }
1772     ;
1773 /* }}} */
1774 /* 14.2 Arrow Function Definitions {{{ */
1775 ArrowFunction
1776     : ArrowParameters[parameters] LexNewLineOrOpt "=>" LexNoBrace ConciseBody[code] { $$ = CYNew CYFatArrow($parameters, $code); }
1777     ;
1778
1779 ArrowParameters
1780     : BindingIdentifier[identifier] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier)); }
1781     | LexOf CoverParenthesizedExpressionAndArrowParameterList[cover] { if ($cover == NULL) $$ = NULL; else { $$ = $cover->expression_->Parameter(); if ($$ == NULL) CYERR(@cover, "invalid parameter list"); } }
1782     ;
1783
1784 ConciseBody
1785     : AssignmentExpression[expression] { $$ = CYNew CYReturn($expression); }
1786     | LexOf ";{" FunctionBody[code] "}" { $$ = $code; }
1787     ;
1788 /* }}} */
1789 /* 14.3 Method Definitions {{{ */
1790 MethodDefinition
1791     : PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyMethod($name, $parameters, $code); }
1792     | GeneratorMethod[pass] { $$ = $pass; }
1793     | "get" PropertyName[name] "(" ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertyGetter($name, $code); }
1794     | "set" PropertyName[name] "(" PropertySetParameterList[parameter] ")" "{" FunctionBody[code] "}" { $$ = CYNew CYPropertySetter($name, $parameter, $code); }
1795     ;
1796
1797 PropertySetParameterList
1798     : FormalParameter[binding] { $$ = CYNew CYFunctionParameter($binding); }
1799     ;
1800 /* }}} */
1801 /* 14.4 Generator Function Definitions {{{ */
1802 GeneratorMethod
1803     : "*" PropertyName[name] "(" StrictFormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorMethod($name, $parameters, $code); */ }
1804     ;
1805
1806 GeneratorDeclaration
1807     : ";function" LexOf "*" BindingIdentifier[name] "(" FormalParameters[code] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorStatement($name, $parameters, $code); */ }
1808     ;
1809
1810 GeneratorExpression
1811     : "function" LexOf "*" BindingIdentifierOpt[name] "(" FormalParameters[parameters] ")" "{" GeneratorBody[code] "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorExpression($name, $parameters, $code); */ }
1812     ;
1813
1814 GeneratorBody
1815     : LexPushYieldOn FunctionStatementList[code] LexPopYield { $$ = $code; }
1816     ;
1817
1818 YieldExpression
1819     : "!yield" LexNewLineOrNot "\n" LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ }
1820     | "!yield" LexNewLineOrNot "" LexNoStar LexOf { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ } %prec "!yield"
1821     | "!yield" LexNewLineOrNot "" LexNoStar AssignmentExpression[value] { CYNOT(@$); /* $$ = CYNew CYYieldValue($value); */ }
1822     | "!yield" LexNewLineOrNot "" LexNoStar LexOf "yield *" AssignmentExpression[generator] { CYNOT(@$); /* $$ = CYNew CYYieldGenerator($generator); */ }
1823     ;
1824 /* }}} */
1825 /* 14.5 Class Definitions {{{ */
1826 ClassDeclaration
1827     : ";class" BindingIdentifier[name] ClassTail[tail] { $$ = CYNew CYClassStatement($name, $tail); }
1828     ;
1829
1830 ClassExpression
1831     : "class" BindingIdentifierOpt[name] ClassTail[tail] { $$ = CYNew CYClassExpression($name, $tail); }
1832     ;
1833
1834 ClassTail
1835     : ClassHeritageOpt[tail] { driver.class_.push($tail); } "{" LexPushSuperOn ClassBodyOpt "}" LexPopSuper { driver.class_.pop(); $$ = $tail; }
1836     ;
1837
1838 ClassHeritage
1839     : "extends" AccessExpression[extends] { $$ = CYNew CYClassTail($extends); }
1840     ;
1841
1842 ClassHeritageOpt
1843     : ClassHeritage[pass] { $$ = $pass; }
1844     | { $$ = CYNew CYClassTail(NULL); }
1845     ;
1846
1847 ClassBody
1848     : ClassElementList
1849     ;
1850
1851 ClassBodyOpt
1852     : ClassBody
1853     |
1854     ;
1855
1856 ClassElementList
1857     : ClassElementListOpt ClassElement
1858     ;
1859
1860 ClassElementListOpt
1861     : ClassElementList
1862     |
1863     ;
1864
1865 ClassElement
1866     : MethodDefinition[method] { if (CYFunctionExpression *constructor = $method->Constructor()) driver.class_.top()->constructor_ = constructor; else driver.class_.top()->instance_->*$method; }
1867     | "static" MethodDefinition[method] { driver.class_.top()->static_->*$method; }
1868     | ";"
1869     ;
1870 /* }}} */
1871
1872 /* 15.1 Scripts {{{ */
1873 Script
1874     : ScriptBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1875     ;
1876
1877 ScriptBody
1878     : StatementList[pass] { $$ = $pass; }
1879     ;
1880
1881 ScriptBodyOpt
1882     : ScriptBody[pass] { $$ = $pass; }
1883     | LexSetStatement LexLet LexOf { $$ = NULL; }
1884     ;
1885 /* }}} */
1886 /* 15.2 Modules {{{ */
1887 Module
1888     : ModuleBodyOpt[code] { driver.script_ = CYNew CYScript($code); }
1889     ;
1890
1891 ModuleBody
1892     : ModuleItemList[pass] { $$ = $pass; }
1893     ;
1894
1895 ModuleBodyOpt
1896     : ModuleBody[pass] { $$ = $pass; }
1897     | LexSetStatement LexLet LexOf { $$ = NULL; }
1898     ;
1899
1900 ModuleItemList
1901     : ModuleItem[statement] ModuleItemListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
1902     ;
1903
1904 ModuleItemListOpt
1905     : ModuleItemList[pass] { $$ = $pass; }
1906     | LexSetStatement LexLet LexOf { $$ = NULL; }
1907     ;
1908
1909 ModuleItem
1910     : LexSetStatement LexLet LexOf ImportDeclaration[pass] { $$ = $pass; }
1911     | LexSetStatement LexLet LexOf ExportDeclaration { CYNOT(@$); }
1912     | StatementListItem[pass] { $$ = $pass; }
1913     ;
1914 /* }}} */
1915 /* 15.2.2 Imports {{{ */
1916 ImportDeclaration
1917     : "import" ImportClause[specifiers] FromClause[module] Terminator { $$ = CYNew CYImportDeclaration($specifiers, $module); }
1918     | "import" LexOf ModuleSpecifier[module] Terminator { $$ = CYNew CYImportDeclaration(NULL, $module); }
1919     ;
1920
1921 ImportClause
1922     : ImportedDefaultBinding[default] { $$ = $default; }
1923     | LexOf NameSpaceImport[pass] { $$ = $pass; }
1924     | LexOf NamedImports[pass] { $$ = $pass; }
1925     | ImportedDefaultBinding[default] "," NameSpaceImport[next] { $$ = $default; CYSetLast($$) = $next; }
1926     | ImportedDefaultBinding[default] "," NamedImports[next] { $$ = $default; CYSetLast($$) = $next; }
1927     ;
1928
1929 ImportedDefaultBinding
1930     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(CYNew CYIdentifier("default"), $binding); }
1931     ;
1932
1933 NameSpaceImport
1934     : "*" "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier(NULL, $binding); }
1935     ;
1936
1937 NamedImports
1938     : "{" ImportsListOpt[pass] "}" { $$ = $pass; }
1939     ;
1940
1941 FromClause
1942     : "from" ModuleSpecifier[pass] { $$ = $pass; }
1943     ;
1944
1945 ImportsList_
1946     : "," ImportsListOpt[pass] { $$ = $pass; }
1947     | { $$ = NULL; }
1948     ;
1949
1950 ImportsList
1951     : ImportSpecifier[import] ImportsList_[next] { $$ = $import; CYSetLast($$) = $next; }
1952     ;
1953
1954 ImportsListOpt
1955     : ImportsList[pass] { $$ = $pass; }
1956     | LexOf { $$ = NULL; }
1957     ;
1958
1959 ImportSpecifier
1960     : ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($binding, $binding); }
1961     | LexOf IdentifierName[name] "as" ImportedBinding[binding] { $$ = CYNew CYImportSpecifier($name, $binding); }
1962     ;
1963
1964 ModuleSpecifier
1965     : StringLiteral[pass] { $$ = $pass; }
1966     ;
1967
1968 ImportedBinding
1969     : BindingIdentifier[pass] { $$ = $pass; }
1970     ;
1971 /* }}} */
1972 /* 15.2.3 Exports {{{ */
1973 ExportDeclaration_
1974     : "*" FromClause Terminator
1975     | ExportClause FromClause Terminator
1976     | ExportClause Terminator
1977     | VariableStatement
1978     | "default" LexSetStatement LexOf HoistableDeclaration
1979     | "default" LexSetStatement LexOf ClassDeclaration
1980     | "default" LexSetStatement AssignmentExpression Terminator
1981     ;
1982
1983 ExportDeclaration
1984     : "export" LexSetStatement LexLet LexOf ExportDeclaration_
1985     | "export" Declaration
1986     ;
1987
1988 ExportClause
1989     : ";{" ExportsListOpt "}"
1990     ;
1991
1992 ExportsList_
1993     : "," ExportsListOpt
1994     |
1995     ;
1996
1997 ExportsList
1998     : ExportSpecifier ExportsList_
1999     ;
2000
2001 ExportsListOpt
2002     : ExportsList
2003     |
2004     ;
2005
2006 ExportSpecifier
2007     : IdentifierName
2008     | IdentifierName "as" IdentifierName
2009     ;
2010 /* }}} */
2011
2012 @begin C
2013 /* Cycript (C): Type Encoding {{{ */
2014 TypeSignifier
2015     : IdentifierType[identifier] { $$ = CYNew CYTypedIdentifier(@identifier, $identifier); }
2016     | "(" "*" TypeQualifierRightOpt[typed] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2017     ;
2018
2019 TypeSignifierNone
2020     : { $$ = CYNew CYTypedIdentifier(@$); }
2021     ;
2022
2023 TypeSignifierOpt
2024     : TypeSignifier[pass] { $$ = $pass; }
2025     | TypeSignifierNone[pass] { $$ = $pass; }
2026     ;
2027
2028 Restrict
2029     : "__restrict"
2030     | "restrict"
2031     ;
2032
2033 RestrictOpt
2034     : Restrict
2035     |
2036     ;
2037
2038 ParameterModifier
2039     : "throw" "(" ")"
2040     ;
2041
2042 ParameterModifierOpt
2043     : ParameterModifier
2044     |
2045     ;
2046
2047 ParameterTail
2048     : TypedParameterListOpt[formal] ")" ParameterModifierOpt { $$ = CYNew CYTypeFunctionWith($formal->variadic_, $formal->parameters_); }
2049     ;
2050
2051 SuffixedType
2052     : SuffixedTypeOpt[typed] "[" RestrictOpt NumericLiteral[size] "]" { $$ = $typed; $$->modifier_ = CYNew CYTypeArrayOf($size, $$->modifier_); }
2053     | "(" "^" TypeQualifierRightOpt[typed] ")" "(" TypedParameters[parameters] ")" { $$ = $typed; $$->modifier_ = CYNew CYTypeBlockWith($parameters, $$->modifier_); }
2054     | TypeSignifier[typed] "(" ParameterTail[modifier] { $$ = $typed; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2055     | "("[parenthesis] ParameterTail[modifier] { $$ = CYNew CYTypedIdentifier(@parenthesis); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2056     ;
2057
2058 SuffixedTypeOpt
2059     : SuffixedType[pass] { $$ = $pass; }
2060     | TypeSignifierOpt[pass] { $$ = $pass; }
2061     ;
2062
2063 PrefixedType
2064     : "*" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
2065     ;
2066
2067 TypeQualifierLeft
2068     : "const" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeConstant(); }
2069     | "volatile" TypeQualifierLeftOpt[modifier] { $$ = $modifier; CYSetLast($$) = CYNew CYTypeVolatile(); }
2070     ;
2071
2072 TypeQualifierLeftOpt
2073     : TypeQualifierLeft[pass] { $$ = $pass; }
2074     | { $$ = NULL; }
2075     ;
2076
2077 TypeQualifierRight
2078     : SuffixedType[pass] { $$ = $pass; }
2079     | PrefixedType[pass] { $$ = $pass; }
2080     | "const" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
2081     | "volatile" TypeQualifierRightOpt[typed] { $$ = $typed; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); }
2082     | Restrict TypeQualifierRightOpt[typed] { $$ = $typed; }
2083     ;
2084
2085 TypeQualifierRightOpt
2086     : TypeQualifierRight[pass] { $$ = $pass; }
2087     | TypeSignifierOpt[pass] { $$ = $pass; }
2088     ;
2089
2090 IntegerType
2091     : "int" { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2092     | "unsigned" IntegerTypeOpt[integral] { $$ = $integral->Unsigned(); if ($$ == NULL) CYERR(@1, "incompatible unsigned"); }
2093     | "signed" IntegerTypeOpt[integral] { $$ = $integral->Signed(); if ($$ == NULL) CYERR(@1, "incompatible signed"); }
2094     | "long" IntegerTypeOpt[integral] { $$ = $integral->Long(); if ($$ == NULL) CYERR(@1, "incompatible long"); }
2095     | "short" IntegerTypeOpt[integral] { $$ = $integral->Short(); if ($$ == NULL) CYERR(@1, "incompatible short"); }
2096     ;
2097
2098 IntegerTypeOpt
2099     : IntegerType[pass] { $$ = $pass; }
2100     | { $$ = CYNew CYTypeIntegral(CYTypeNeutral); }
2101     ;
2102
2103 StructFieldListOpt
2104     : TypedIdentifierField[typed] ";" StructFieldListOpt[next] { $$ = CYNew CYTypeStructField($typed, $next); }
2105     | { $$ = NULL; }
2106     ;
2107
2108 PrimitiveType
2109     : IdentifierType[name] { $$ = CYNew CYTypeVariable($name); }
2110     | IntegerType[pass] { $$ = $pass; }
2111     | "char" { $$ = CYNew CYTypeCharacter(CYTypeNeutral); }
2112     | "signed" "char" { $$ = CYNew CYTypeCharacter(CYTypeSigned); }
2113     | "unsigned" "char" { $$ = CYNew CYTypeCharacter(CYTypeUnsigned); }
2114     | "struct" IdentifierType[name] { $$ = CYNew CYTypeReference($name); }
2115     ;
2116
2117 TypedIdentifierMaybe
2118     : TypeQualifierLeft[modifier] "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2119     | "void" TypeQualifierRight[typed] { $$ = $typed; $$->specifier_ = CYNew CYTypeVoid(); }
2120     | TypeQualifierLeftOpt[modifier] PrimitiveType[specifier] TypeQualifierRightOpt[typed] { $$ = $typed; $$->specifier_ = $specifier; CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2121     ;
2122
2123 TypedIdentifierYes
2124     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; }
2125     ;
2126
2127 TypedIdentifierNo
2128     : TypedIdentifierMaybe[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; }
2129     ;
2130
2131 TypedIdentifierField
2132     : TypedIdentifierYes[pass] { $$ = $pass; }
2133     | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2134     ;
2135
2136 TypedIdentifierEncoding
2137     : TypedIdentifierNo[pass] { $$ = $pass; }
2138     | TypeQualifierLeftOpt[modifier] "struct" "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ != NULL) CYERR($typed->location_, "unexpected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct(NULL, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2139     ;
2140
2141 TypedIdentifierDefinition
2142     : TypedIdentifierYes[pass] { $$ = $pass; }
2143     | TypeQualifierLeftOpt[modifier] "struct" IdentifierTypeOpt[name] "{" StructFieldListOpt[fields] "}" TypeQualifierRightOpt[typed] { if ($typed->identifier_ == NULL) CYERR($typed->location_, "expected identifier"); $$ = $typed; $$->specifier_ = CYNew CYTypeStruct($name, CYNew CYStructTail($fields)); CYSetLast($modifier) = $$->modifier_; $$->modifier_ = $modifier; }
2144     ;
2145
2146 PrimaryExpression
2147     : "@encode" "(" TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYEncodedType($typed); }
2148     ;
2149 /* }}} */
2150 @end
2151
2152 @begin ObjectiveC
2153 /* Cycript (Objective-C): @class Declaration {{{ */
2154 ClassSuperOpt
2155     /* XXX: why the hell did I choose MemberExpression? */
2156     : ":" MemberExpression[extends] { $$ = $extends; }
2157     | { $$ = NULL; }
2158     ;
2159
2160 ImplementationFieldListOpt
2161     : TypedIdentifierField[typed] ";" ImplementationFieldListOpt[next] { $$ = CYNew CYImplementationField($typed, $next); }
2162     | { $$ = NULL; }
2163     ;
2164
2165 MessageScope
2166     : "+" { $$ = false; }
2167     | "-" { $$ = true; }
2168     ;
2169
2170 TypeOpt
2171     : "(" TypedIdentifierNo[type] ")" { $$ = $type; }
2172     | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); }
2173     ;
2174
2175 MessageParameter
2176     : Word[tag] ":" TypeOpt[type] BindingIdentifier[identifier] { $type->identifier_ = $identifier; $$ = CYNew CYMessageParameter($tag, $type); }
2177     ;
2178
2179 MessageParameterList
2180     : MessageParameter[parameter] MessageParameterListOpt[next] { $parameter->SetNext($next); $$ = $parameter; }
2181     ;
2182
2183 MessageParameterListOpt
2184     : MessageParameterList[pass] { $$ = $pass; }
2185     | TypedParameterList_[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); /*XXX*/ if ($formal->parameters_ != NULL) CYERR(@$, "temporarily unsupported"); $$ = NULL; }
2186     ;
2187
2188 MessageParameters
2189     : MessageParameterList[pass] { $$ = $pass; }
2190     | Word[tag] { $$ = CYNew CYMessageParameter($tag, NULL); }
2191     ;
2192
2193 ClassMessageDeclaration
2194     : MessageScope[instance] TypeOpt[type] MessageParameters[parameters] "{" LexPushSuperOn FunctionBody[code] "}" LexPopSuper { $$ = CYNew CYMessage($instance, $type, $parameters, $code); }
2195     ;
2196
2197 ClassMessageDeclarationListOpt
2198     : ClassMessageDeclarationListOpt[next] ClassMessageDeclaration[message] { $message->SetNext($next); $$ = $message; }
2199     | { $$ = NULL; }
2200     ;
2201
2202 // XXX: this should be AssignmentExpressionNoRight
2203 ClassProtocols
2204     : ShiftExpression[name] ClassProtocolsOpt[next] { $$ = CYNew CYProtocol($name, $next); }
2205     ;
2206
2207 ClassProtocolsOpt
2208     : "," ClassProtocols[protocols] { $$ = $protocols; }
2209     | { $$ = NULL; }
2210     ;
2211
2212 ClassProtocolListOpt
2213     : "<" ClassProtocols[protocols] ">" { $$ = $protocols; }
2214     | { $$ = NULL; }
2215     ;
2216
2217 ImplementationStatement
2218     : "@implementation" Identifier[name] ClassSuperOpt[extends] ClassProtocolListOpt[protocols] "{" ImplementationFieldListOpt[fields] "}" ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYImplementation($name, $extends, $protocols, $fields, $messages); }
2219     ;
2220
2221 CategoryName
2222     : "(" WordOpt ")"
2223     ;
2224
2225 CategoryStatement
2226     : "@implementation" Identifier[name] CategoryName ClassMessageDeclarationListOpt[messages] "@end" { $$ = CYNew CYCategory($name, $messages); }
2227     ;
2228
2229 Statement__
2230     : ImplementationStatement[pass] { $$ = $pass; }
2231     | CategoryStatement[pass] { $$ = $pass; }
2232     ;
2233 /* }}} */
2234 /* Cycript (Objective-C): Send Message {{{ */
2235 VariadicCall
2236     : "," AssignmentExpressionClassic[value] VariadicCall[next] { $$ = CYNew CYArgument(NULL, $value, $next); }
2237     | { $$ = NULL; }
2238     ;
2239
2240 SelectorWordOpt
2241     : WordOpt[name] { driver.contexts_.back().words_.push_back($name); } { $$ = $name; }
2242     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
2243     ;
2244
2245 SelectorCall_
2246     : SelectorCall[pass] { $$ = $pass; }
2247     | VariadicCall[pass] { $$ = $pass; }
2248     ;
2249
2250 SelectorCall
2251     : SelectorWordOpt[name] ":" AssignmentExpressionClassic[value] SelectorCall_[next] { $$ = CYNew CYArgument($name ?: CYNew CYWord(""), $value, $next); }
2252     ;
2253
2254 SelectorList
2255     : SelectorCall[pass] { $$ = $pass; }
2256     | Word[name] { $$ = CYNew CYArgument($name, NULL); }
2257     ;
2258
2259 MessageExpression
2260     : "[" AssignmentExpressionClassic[self] { driver.contexts_.push_back($self); } SelectorList[arguments] "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($self, $arguments); }
2261     | "[" LexOf "super" { driver.context_ = NULL; } SelectorList[arguments] "]" { $$ = CYNew CYSendSuper($arguments); }
2262     ;
2263
2264 SelectorExpression_
2265     : WordOpt[name] ":" SelectorExpressionOpt[next] { $$ = CYNew CYSelectorPart($name, true, $next); }
2266     ;
2267
2268 SelectorExpression
2269     : SelectorExpression_[pass] { $$ = $pass; }
2270     | Word[name] { $$ = CYNew CYSelectorPart($name, false, NULL); }
2271     ;
2272
2273 SelectorExpressionOpt
2274     : SelectorExpression_[pass] { $$ = $pass; }
2275     | { $$ = NULL; }
2276     ;
2277
2278 PrimaryExpression
2279     : MessageExpression[pass] { $$ = $pass; }
2280     | "@selector" "(" SelectorExpression[parts] ")" { $$ = CYNew CYSelector($parts); }
2281     ;
2282 /* }}} */
2283 @end
2284
2285 /* Cycript: @import Directive {{{ */
2286 ModulePath
2287     : ModulePath[next] "." Word[part] { $$ = CYNew CYModule($part, $next); }
2288     | Word[part] { $$ = CYNew CYModule($part); }
2289     ;
2290
2291 Declaration_
2292     : "@import" ModulePath[path] { $$ = CYNew CYImport($path); }
2293     ;
2294 /* }}} */
2295
2296 @begin ObjectiveC
2297 /* Cycript (Objective-C): Boxed Expressions {{{ */
2298 BoxableExpression
2299     : NullLiteral[pass] { $$ = $pass; }
2300     | BooleanLiteral[pass] { $$ = $pass; }
2301     | NumericLiteral[pass] { $$ = $pass; }
2302     | StringLiteral[pass] { $$ = $pass; }
2303     | CoverParenthesizedExpressionAndArrowParameterList[pass] { $$ = $pass; }
2304     | "YES" { $$ = CYNew CYTrue(); }
2305     | "NO" { $$ = CYNew CYFalse(); }
2306     ;
2307
2308 KeyValuePairList_
2309     : "," KeyValuePairListOpt[next] { $$ = $next; }
2310     | { $$ = NULL; }
2311
2312 KeyValuePairList
2313     : AssignmentExpression[key] ":" AssignmentExpression[value] KeyValuePairList_[next] { $$ = CYNew CYObjCKeyValue($key, $value, $next); }
2314     ;
2315
2316 KeyValuePairListOpt
2317     : KeyValuePairList[pass] { $$ = $pass; }
2318     | LexOf { $$ = NULL; }
2319     ;
2320
2321 PrimaryExpression
2322     : "@" BoxableExpression[expression] { $$ = CYNew CYBox($expression); }
2323     | "@" "[" ElementListOpt[elements] "]" { $$ = CYNew CYObjCArray($elements); }
2324     | "@" "{" KeyValuePairListOpt[pairs] "}" { $$ = CYNew CYObjCDictionary($pairs); }
2325
2326     | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); }
2327     | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); }
2328     | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); }
2329     | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); }
2330     | "@null" { $$ = CYNew CYBox(CYNew CYNull()); }
2331     ;
2332 /* }}} */
2333 /* Cycript (Objective-C): Block Expressions {{{ */
2334 PrimaryExpression
2335     : "^" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { if (CYTypeFunctionWith *function = $type->Function()) $$ = CYNew CYObjCBlock($type, function->parameters_, $code); else CYERR($type->location_, "expected parameters"); }
2336     ;
2337 /* }}} */
2338 /* Cycript (Objective-C): Instance Literals {{{ */
2339 PrimaryExpression
2340     : "#" NumericLiteral[address] { $$ = CYNew CYInstanceLiteral($address); }
2341     ;
2342 /* }}} */
2343 @end
2344
2345 @begin C
2346 /* Cycript (C): Pointer Indirection/Addressing {{{ */
2347 UnaryExpression_
2348     : IndirectExpression[pass] { $$ = $pass; }
2349     ;
2350
2351 IndirectExpression
2352     : "*" UnaryExpression[rhs] { $$ = CYNew CYIndirect($rhs); }
2353     ;
2354
2355 UnaryExpression_
2356     : "&" UnaryExpression[rhs] { $$ = CYNew CYAddressOf($rhs); }
2357     ;
2358
2359 MemberAccess
2360     : "->" "[" Expression[property] "]" { $$ = CYNew CYIndirectMember(NULL, $property); }
2361     | "->" IdentifierName[property] { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($property)); }
2362     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
2363     ;
2364 /* }}} */
2365 /* Cycript (C): Lambda Expressions {{{ */
2366 TypedParameterList_
2367     : "," TypedParameterList[parameters] { $$ = $parameters; }
2368     | { $$ = CYNew CYTypedFormal(false); }
2369     ;
2370
2371 TypedParameterList
2372     : TypedIdentifierMaybe[typed] TypedParameterList_[formal] { $$ = $formal; $$->parameters_ = CYNew CYTypedParameter($typed, $$->parameters_); }
2373     | "..." { $$ = CYNew CYTypedFormal(true); }
2374     ;
2375
2376 TypedParameterListOpt
2377     : TypedParameterList[pass] { $$ = $pass; }
2378     | "void" { $$ = CYNew CYTypedFormal(false); }
2379     | { $$ = CYNew CYTypedFormal(false); }
2380     ;
2381
2382 TypedParameters
2383     : TypedParameterListOpt[formal] { if ($formal->variadic_) CYERR(@$, "unsupported variadic"); $$ = $formal->parameters_; }
2384     ;
2385
2386 PrimaryExpression
2387     : "[" LexOf "&" "]" "(" TypedParameters[parameters] ")" "->" TypedIdentifierNo[type] "{" FunctionBody[code] "}" { $$ = CYNew CYLambda($type, $parameters, $code); }
2388     ;
2389 /* }}} */
2390 /* Cycript (C): Structure Definitions {{{ */
2391 IdentifierNoOf
2392     : "struct" NewLineOpt { $$ = CYNew CYIdentifier("struct"); }
2393     ;
2394
2395 Statement__
2396     : "struct" NewLineNot IdentifierType[name] "{" StructFieldListOpt[fields] "}" { $$ = CYNew CYStructDefinition($name, CYNew CYStructTail($fields)); }
2397     ;
2398
2399 PrimaryExpression
2400     : "(" LexOf "struct" NewLineOpt IdentifierType[name] TypeQualifierRightOpt[typed] ")" { $typed->specifier_ = CYNew CYTypeReference($name); $$ = CYNew CYTypeExpression($typed); }
2401     ;
2402 /* }}} */
2403 /* Cycript (C): Type Definitions {{{ */
2404 IdentifierNoOf
2405     : "typedef" NewLineOpt { $$ = CYNew CYIdentifier("typedef"); }
2406     ;
2407
2408 TypeDefinition
2409     : "typedef" NewLineNot TypedIdentifierDefinition[typed] TerminatorHard { $$ = CYNew CYTypeDefinition($typed); }
2410     ;
2411
2412 Statement__
2413     : TypeDefinition[pass] { $$ = $pass; }
2414     ;
2415
2416 PrimaryExpression
2417     : "(" LexOf "typedef" NewLineOpt TypedIdentifierEncoding[typed] ")" { $$ = CYNew CYTypeExpression($typed); }
2418     ;
2419 /* }}} */
2420 /* Cycript (C): extern "C" {{{ */
2421 IdentifierNoOf
2422     : "extern" NewLineOpt { $$ = CYNew CYIdentifier("extern"); }
2423     ;
2424
2425 ExternCStatement
2426     : TypedIdentifierField[typed] TerminatorHard { $$ = CYNew CYExternal(CYNew CYString("C"), $typed); }
2427     | TypeDefinition[pass] { $$ = $pass; }
2428     ;
2429
2430 ExternCStatementListOpt
2431     : ExternCStatement[statement] ExternCStatementListOpt[next] { $$ = $statement; CYSetLast($$) = $next; }
2432     | { $$ = NULL; }
2433     ;
2434
2435 ExternC
2436     : "{" ExternCStatementListOpt[pass] "}" { $$ = $pass; }
2437     | ExternCStatement[pass] { $$ = $pass; }
2438     ;
2439
2440 Statement__
2441     : "extern" NewLineNot StringLiteral[abi] { if (strcmp($abi->Value(), "C") != 0) CYERR(@abi, "unknown extern binding"); } ExternC[pass] { $$ = $pass; }
2442     ;
2443 /* }}} */
2444 @end
2445
2446 @begin E4X
2447 /* Lexer State {{{ */
2448 LexPushRegExp
2449     : { driver.PushCondition(CYDriver::RegExpCondition); }
2450     ;
2451
2452 LexPushXMLContent
2453     : { driver.PushCondition(CYDriver::XMLContentCondition); }
2454     ;
2455
2456 LexPushXMLTag
2457     : { driver.PushCondition(CYDriver::XMLTagCondition); }
2458     ;
2459
2460 LexPop
2461     : { driver.PopCondition(); }
2462     ;
2463
2464 LexSetXMLContent
2465     : { driver.SetCondition(CYDriver::XMLContentCondition); }
2466     ;
2467
2468 LexSetXMLTag
2469     : { driver.SetCondition(CYDriver::XMLTagCondition); }
2470     ;
2471 /* }}} */
2472 /* Virtual Tokens {{{ */
2473 XMLWhitespaceOpt
2474     : XMLWhitespace
2475     |
2476     ;
2477 /* }}} */
2478
2479 /* 8.1 Context Keywords {{{ */
2480 Identifier
2481     : "namespace" { $$ = CYNew CYIdentifier("namespace"); }
2482     | "xml" { $$ = CYNew CYIdentifier("xml"); }
2483     ;
2484 /* }}} */
2485 /* 8.3 XML Initializer Input Elements {{{ */
2486 XMLMarkup
2487     : XMLComment { $$ = $1; }
2488     | XMLCDATA { $$ = $1; }
2489     | XMLPI { $$ = $1; }
2490     ;
2491 /* }}} */
2492
2493 /* 11.1 Primary Expressions {{{ */
2494 PrimaryExpression
2495     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
2496     | XMLInitilizer { $$ = $1; }
2497     | XMLListInitilizer { $$ = $1; }
2498     ;
2499
2500 PropertyIdentifier
2501     : AttributeIdentifier { $$ = $1; }
2502     | QualifiedIdentifier { $$ = $1; }
2503     | WildcardIdentifier { $$ = $1; }
2504     ;
2505 /* }}} */
2506 /* 11.1.1 Attribute Identifiers {{{ */
2507 AttributeIdentifier
2508     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
2509     ;
2510
2511 PropertySelector_
2512     : PropertySelector { $$ = $1; }
2513     | "[" Expression "]" { $$ = CYNew CYSelector($2); }
2514     ;
2515
2516 PropertySelector
2517     : Identifier { $$ = CYNew CYSelector($1); }
2518     | WildcardIdentifier { $$ = $1; }
2519     ;
2520 /* }}} */
2521 /* 11.1.2 Qualified Identifiers {{{ */
2522 QualifiedIdentifier_
2523     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
2524     | QualifiedIdentifier { $$ = $1; }
2525     ;
2526
2527 QualifiedIdentifier
2528     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
2529     ;
2530 /* }}} */
2531 /* 11.1.3 Wildcard Identifiers {{{ */
2532 WildcardIdentifier
2533     : "*" { $$ = CYNew CYWildcard(); }
2534     ;
2535 /* }}} */
2536 /* 11.1.4 XML Initializer {{{ */
2537 XMLInitilizer
2538     : XMLMarkup { $$ = $1; }
2539     | XMLElement { $$ = $1; }
2540     ;
2541
2542 XMLElement
2543     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
2544     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
2545     ;
2546
2547 XMLTagContent
2548     : LexPushXMLTag XMLTagName XMLAttributes
2549     ;
2550
2551 XMLExpression
2552     : "{" LexPushRegExp Expression LexPop "}"
2553     ;
2554
2555 XMLTagName
2556     : XMLExpression
2557     | XMLName
2558     ;
2559
2560 XMLAttributes_
2561     : XMLAttributes_ XMLAttribute
2562     |
2563     ;
2564
2565 XMLAttributes
2566     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
2567     | XMLAttributes_ XMLWhitespaceOpt
2568     ;
2569
2570 XMLAttributeValue_
2571     : XMLExpression
2572     | XMLAttributeValue
2573     ;
2574
2575 XMLAttribute
2576     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
2577     ;
2578
2579 XMLElementContent
2580     : XMLExpression XMLElementContentOpt
2581     | XMLMarkup XMLElementContentOpt
2582     | XMLText XMLElementContentOpt
2583     | XMLElement XMLElementContentOpt
2584     ;
2585
2586 XMLElementContentOpt
2587     : XMLElementContent
2588     |
2589     ;
2590 /* }}} */
2591 /* 11.1.5 XMLList Initializer {{{ */
2592 XMLListInitilizer
2593     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
2594     ;
2595 /* }}} */
2596
2597 /* 11.2 Left-Hand-Side Expressions {{{ */
2598 PropertyIdentifier_
2599     : Identifier { $$ = $1; }
2600     | PropertyIdentifier { $$ = $1; }
2601     ;
2602
2603 MemberAccess
2604     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
2605     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
2606     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
2607     ;
2608 /* }}} */
2609 /* 12.1 The default xml namespace Statement {{{ */
2610 /* XXX: DefaultXMLNamespaceStatement
2611     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
2612     ;
2613
2614 Statement__
2615     : DefaultXMLNamespaceStatement { $$ = $1; }
2616     ; */
2617 /* }}} */
2618 @end
2619
2620 /* JavaScript FTL: Array Comprehensions {{{ */
2621 Comprehension
2622     : AssignmentExpression[expression] ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2623     ;
2624
2625 ComprehensionFor
2626     : "for" "each" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2627     ;
2628 /* }}} */
2629 /* JavaScript FTL: for each {{{ */
2630 IterationStatement
2631     : "for" "each" "(" LexPushInOn ForInStatementInitializer[initializer] "!in" LexPopIn Expression[iterable] ")" Statement[code] { $$ = CYNew CYForOf($initializer, $iterable, $code); }
2632     ;
2633 /* }}} */
2634
2635 /* JavaScript FTW: Array Comprehensions {{{ */
2636 PrimaryExpression
2637     : ArrayComprehension
2638     ;
2639
2640 ArrayComprehension
2641     : "[" Comprehension[comprehension] "]" { $$ = $comprehension; }
2642     ;
2643
2644 Comprehension
2645     : LexOf ComprehensionFor[comprehension] ComprehensionTail[next] AssignmentExpression[expression] { $comprehension->SetNext($next); $$ = CYNew CYArrayComprehension($expression, $comprehension); }
2646     ;
2647
2648 ComprehensionTail
2649     : { $$ = NULL; }
2650     | ComprehensionFor[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2651     | ComprehensionIf[comprehension] ComprehensionTail[next] { $comprehension->SetNext($next); $$ = $comprehension; }
2652     ;
2653
2654 ComprehensionFor
2655     : "for" "(" LexPushInOn LexBind ForBinding[binding] "!in" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForInComprehension($binding, $iterable); }
2656     | "for" "(" LexPushInOn LexBind ForBinding[binding] "of" LexPopIn Expression[iterable] ")" { $$ = CYNew CYForOfComprehension($binding, $iterable); }
2657     ;
2658
2659 ComprehensionIf
2660     : "if" "(" AssignmentExpression[test] ")" { $$ = CYNew CYIfComprehension($test); }
2661     ;
2662 /* }}} */
2663 /* JavaScript FTW: Named Arguments {{{ */
2664 ArgumentList
2665     : LexOf WordNoUnary[tag] ":" AssignmentExpression[value] ArgumentList_[next] { $$ = CYNew CYArgument($tag, $value, $next); }
2666     ;
2667 /* }}} */
2668 /* JavaScript FTW: Subscript Access {{{ */
2669 MemberAccess
2670     : "." "[" AssignmentExpression[property] "]" { $$ = CYNew CYSubscriptMember(NULL, $property); }
2671     ;
2672 /* }}} */
2673
2674 /* JavaScript FTW: Java "Anonymous Inner Classes" {{{ */
2675 BracedParameter
2676     : "{" PropertyDefinitionListOpt[properties] "}" { $$ = CYNew CYExtend(NULL, $properties); }
2677     ;
2678 /* }}} */
2679
2680 /* JavaScript FTW: Ruby Blocks {{{ */
2681 RubyProcParameterList_
2682     : "," RubyProcParameterList[parameters] { $$ = $parameters; }
2683     | { $$ = NULL; }
2684     ;
2685
2686 RubyProcParameterList
2687     : BindingIdentifier[identifier] RubyProcParameterList_[next] { $$ = CYNew CYFunctionParameter(CYNew CYBinding($identifier), $next); }
2688     | LexOf { $$ = NULL; }
2689     ;
2690
2691 RubyProcParameters
2692     : "|" RubyProcParameterList[parameters] "|" { $$ = $parameters; }
2693     | "||" { $$ = NULL; }
2694     ;
2695
2696 RubyProcParametersOpt
2697     : RubyProcParameters[pass] { $$ = $pass; }
2698     | { $$ = NULL; }
2699     ;
2700
2701 BracedParameter
2702     : ";{" RubyProcParametersOpt[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyBlock(NULL, CYNew CYRubyProc($parameters, $code)); }
2703     ;
2704
2705 PrimaryExpression
2706     : "{" RubyProcParameters[parameters] StatementListOpt[code] "}" { $$ = CYNew CYRubyProc($parameters, $code); }
2707     ;
2708
2709 BracedExpression_
2710     : AccessExpression[pass] LexNewLineOrOpt { $$ = $pass; }
2711     | BracedExpression_[lhs] { if (!$lhs->IsNew()) CYMAP(OpenBrace_, OpenBrace); } BracedParameter[rhs] LexNewLineOrOpt { $rhs->SetLeft($lhs); $$ = $rhs; }
2712     ;
2713
2714 BracedExpression
2715     : BracedExpression_[pass] "\n" { $$ = $pass; }
2716     | BracedExpression_[pass] { $$ = $pass; }
2717     ;
2718 /* }}} */
2719 /* JavaScript FTW: Ruby Scopes {{{ */
2720 MemberAccess
2721     : "::" "[" Expression[property] "]" { $$ = CYNew CYResolveMember(NULL, $property); }
2722     | "::" IdentifierName[property] { $$ = CYNew CYResolveMember(NULL, CYNew CYString($property)); }
2723     | "::" AutoComplete { driver.mode_ = CYDriver::AutoResolve; YYACCEPT; }
2724     ;
2725 /* }}} */
2726 /* JavaScript FTW: Ruby Symbols {{{ */
2727 PrimaryExpression
2728     : ":" Word[name] { $$ = CYNew CYSymbol($name->Word()); }
2729     ;
2730 /* }}} */
2731
2732 %%
2733
2734 bool CYDriver::Parse(CYMark mark) {
2735     mark_ = mark;
2736     CYLocal<CYPool> local(&pool_);
2737     cy::parser parser(*this);
2738 #ifdef YYDEBUG
2739     parser.set_debug_level(debug_);
2740 #endif
2741     return parser.parse() != 0;
2742 }
2743
2744 void CYDriver::Warning(const cy::parser::location_type &location, const char *message) {
2745     if (!strict_)
2746         return;
2747
2748     CYDriver::Error error;
2749     error.warning_ = true;
2750     error.location_ = location;
2751     error.message_ = message;
2752     errors_.push_back(error);
2753 }
2754
2755 void cy::parser::error(const cy::parser::location_type &location, const std::string &message) {
2756     CYDriver::Error error;
2757     error.warning_ = false;
2758     error.location_ = location;
2759     error.message_ = message;
2760     driver.errors_.push_back(error);
2761 }