Parser.ypp.in

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