Cycript.yy.in

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2012  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 @if Bison23 %{
  23
  24 @if Bison24 %code top {
  25 #define cyscanner driver.scanner_
  26 #define YYSTACKEXPANDABLE 1
  27 @if Bison23 #define yyerrok (yyerrstatus_ = 0)
  28 @if Bison24 }
  29
  30 @if Bison24 %code requires {
  31 #include "Parser.hpp"
  32 #define CYNew new($pool)
  33
  34 @begin ObjectiveC
  35 #include "ObjectiveC/Syntax.hpp"
  36 @end
  37
  38 @begin E4X
  39 #include "E4X/Syntax.hpp"
  40 @end
  41
  42 #include "Highlight.hpp"
  43
  44 typedef struct {
  45     bool newline_;
  46     hi::Value highlight_;
  47
  48     union {
  49         bool bool_;
  50
  51         CYDriver::Condition condition_;
  52
  53         CYArgument *argument_;
  54         CYAssignment *assignment_;
  55         CYBoolean *boolean_;
  56         CYClause *clause_;
  57         cy::Syntax::Catch *catch_;
  58         CYComment *comment_;
  59         CYComprehension *comprehension_;
  60         CYCompound *compound_;
  61         CYDeclaration *declaration_;
  62         CYDeclarations *declarations_;
  63         CYElement *element_;
  64         CYExpression *expression_;
  65         CYFalse *false_;
  66         CYFinally *finally_;
  67         CYForInitialiser *for_;
  68         CYForInInitialiser *forin_;
  69         CYFunctionParameter *functionParameter_;
  70         CYIdentifier *identifier_;
  71         CYInfix *infix_;
  72         CYLiteral *literal_;
  73         CYMember *member_;
  74         CYNull *null_;
  75         CYNumber *number_;
  76         CYProgram *program_;
  77         CYProperty *property_;
  78         CYPropertyName *propertyName_;
  79         CYRubyProc *rubyProc_;
  80         CYStatement *statement_;
  81         CYString *string_;
  82         CYThis *this_;
  83         CYTrue *true_;
  84         CYTypeModifier *type_;
  85         CYTypedIdentifier *typedIdentifier_;
  86         CYTypedParameter *typedParameter_;
  87         CYWord *word_;
  88
  89 @begin ObjectiveC
  90         CYClassName *className_;
  91         CYField *field_;
  92         CYMessage *message_;
  93         CYMessageParameter *messageParameter_;
  94         CYProtocol *protocol_;
  95         CYSelectorPart *selector_;
  96 @end
  97
  98 @begin E4X
  99         CYAttribute *attribute_;
 100         CYPropertyIdentifier *propertyIdentifier_;
 101         CYSelector *selector_;
 102 @end
 103     };
 104 } YYSTYPE;
 105
 106 #define YYSTYPE YYSTYPE
 107 @if Bison24 }
 108
 109 @if Bison24 %code provides {
 110 int cylex(YYSTYPE *, cy::location *, void *);
 111 @if Bison24 }
 112
 113 @if Bison23 %}
 114
 115 %name-prefix="cy"
 116
 117 @if Bison23 %skeleton "lalr1.cc"
 118 @if Bison24 %language "C++"
 119
 120 %initial-action {
 121     @$.begin.filename = @$.end.filename = &driver.filename_;
 122 };
 123
 124 %locations
 125 %defines
 126
 127 //%glr-parser
 128 //%expect 1
 129
 130 %error-verbose
 131
 132 %parse-param { CYDriver &driver }
 133 %lex-param { void *cyscanner }
 134
 135 /* Token Declarations {{{ */
 136 @begin E4X
 137 %token XMLCDATA
 138 %token XMLComment
 139 %token XMLPI
 140
 141 %token XMLAttributeValue
 142 %token XMLName
 143 %token XMLTagCharacters
 144 %token XMLText
 145 %token XMLWhitespace
 146 @end
 147
 148 @begin E4X
 149 %token LeftRight "<>"
 150 %token LeftSlashRight "</>"
 151
 152 %token SlashRight "/>"
 153 %token LeftSlash "</"
 154
 155 %token ColonColon "::"
 156 %token PeriodPeriod ".."
 157 @end
 158
 159 @begin E4X ObjectiveC
 160 %token At "@"
 161 @end
 162
 163 %token Ampersand "&"
 164 %token AmpersandAmpersand "&&"
 165 %token AmpersandEqual "&="
 166 %token Carrot "^"
 167 %token CarrotEqual "^="
 168 %token Equal "="
 169 %token EqualEqual "=="
 170 %token EqualEqualEqual "==="
 171 %token EqualRight "=>"
 172 %token Exclamation "!"
 173 %token ExclamationEqual "!="
 174 %token ExclamationEqualEqual "!=="
 175 %token Hyphen "-"
 176 %token HyphenEqual "-="
 177 %token HyphenHyphen "--"
 178 %token HyphenHyphen_ "\n--"
 179 %token HyphenRight "->"
 180 %token Left "<"
 181 %token LeftEqual "<="
 182 %token LeftLeft "<<"
 183 %token LeftLeftEqual "<<="
 184 %token Percent "%"
 185 %token PercentEqual "%="
 186 %token Period "."
 187 %token PeriodPeriodPeriod "..."
 188 %token Pipe "|"
 189 %token PipeEqual "|="
 190 %token PipePipe "||"
 191 %token Plus "+"
 192 %token PlusEqual "+="
 193 %token PlusPlus "++"
 194 %token PlusPlus_ "\n++"
 195 %token Right ">"
 196 %token RightEqual ">="
 197 %token RightRight ">>"
 198 %token RightRightEqual ">>="
 199 %token RightRightRight ">>>"
 200 %token RightRightRightEqual ">>>="
 201 %token Slash "/"
 202 %token SlashEqual "/="
 203 %token Star "*"
 204 %token StarEqual "*="
 205 %token Tilde "~"
 206
 207 %token Colon ":"
 208 %token Comma ","
 209 %token Question "?"
 210 %token SemiColon ";"
 211 %token NewLine "\n"
 212
 213 %token <comment_> Comment
 214
 215 %token OpenParen "("
 216 %token CloseParen ")"
 217
 218 %token OpenBrace "{"
 219 %token OpenBrace_ "\n{"
 220 %token OpenBrace__ ";{"
 221 %token CloseBrace "}"
 222
 223 %token OpenBracket "["
 224 %token CloseBracket "]"
 225
 226 @begin Java
 227 %token AtClass "@class"
 228 @end
 229
 230 @begin ObjectiveC
 231 %token AtImplementation "@implementation"
 232 %token AtImplementation_ ";@implementation"
 233 %token AtImport "@import"
 234 %token AtEncode "@encode"
 235 %token AtEnd "@end"
 236 %token AtSelector "@selector"
 237 @end
 238
 239 %token <false_> False "false"
 240 %token <null_> Null "null"
 241 %token <true_> True "true"
 242
 243 // ES3/ES5/WIE/JSC Reserved
 244 %token <word_> Auto "auto"
 245 %token <word_> Break "break"
 246 %token <word_> Case "case"
 247 %token <word_> Catch "catch"
 248 %token <word_> Continue "continue"
 249 %token <word_> Default "default"
 250 %token <word_> Delete "delete"
 251 %token <word_> Do "do"
 252 %token <word_> Else "else"
 253 %token <word_> Finally "finally"
 254 %token <word_> For "for"
 255 %token <word_> Function "function"
 256 %token <word_> Function_ ";function"
 257 %token <word_> If "if"
 258 %token <word_> In "in"
 259 %token <word_> In_ "!in"
 260 %token <word_> InstanceOf "instanceof"
 261 %token <word_> New "new"
 262 %token <word_> Return "return"
 263 %token <word_> Switch "switch"
 264 %token <this_> This "this"
 265 %token <word_> Throw "throw"
 266 %token <word_> Try "try"
 267 %token <word_> TypeOf "typeof"
 268 %token <word_> Var "var"
 269 %token <word_> Void "void"
 270 %token <word_> While "while"
 271 %token <word_> With "with"
 272
 273 // ES3/IE6 Future, ES5/JSC Reserved
 274 %token <word_> Debugger "debugger"
 275
 276 // ES3/ES5/IE6 Future, JSC Reserved
 277 %token <word_> Const "const"
 278
 279 // ES3/ES5/IE6/JSC Future
 280 %token <word_> Class "class"
 281 %token <word_> Enum "enum"
 282 %token <word_> Export "export"
 283 %token <word_> Extends "extends"
 284 %token <word_> Import "import"
 285 %token <word_> Super "super"
 286
 287 // ES3 Future, ES5 Strict Future
 288 %token <identifier_> Implements "implements"
 289 %token <identifier_> Interface "interface"
 290 %token <identifier_> Package "package"
 291 %token <identifier_> Private "private"
 292 %token <identifier_> Protected "protected"
 293 %token <identifier_> Public "public"
 294 %token <identifier_> Static "static"
 295
 296 // ES3 Future
 297 %token <identifier_> Abstract "abstract"
 298 %token <identifier_> Boolean "boolean"
 299 %token <identifier_> Byte "byte"
 300 %token <identifier_> Char "char"
 301 %token <identifier_> Double "double"
 302 %token <identifier_> Final "final"
 303 %token <identifier_> Float "float"
 304 %token <identifier_> Goto "goto"
 305 %token <identifier_> Int "int"
 306 %token <identifier_> Long "long"
 307 %token <identifier_> Native "native"
 308 %token <identifier_> Short "short"
 309 %token <identifier_> Synchronized "synchronized"
 310 %token <identifier_> Throws "throws"
 311 %token <identifier_> Transient "transient"
 312 %token <identifier_> Volatile "volatile"
 313
 314 // ES5 Strict
 315 %token <identifier_> Let "let"
 316 %token <identifier_> Yield "yield"
 317
 318 // Woah?!
 319 %token <identifier_> Each "each"
 320 %token <identifier_> Of "of"
 321
 322 @begin E4X
 323 // E4X Conditional
 324 %token <identifier_> Namespace "namespace"
 325 %token <identifier_> XML "xml"
 326 @end
 327
 328 %token AutoComplete
 329
 330 %token <identifier_> Identifier_
 331 %token <number_> NumericLiteral
 332 %token <string_> StringLiteral
 333 %token <literal_> RegularExpressionLiteral
 334
 335 %type <expression_> AdditiveExpression
 336 %type <argument_> ArgumentList_
 337 %type <argument_> ArgumentList
 338 %type <argument_> ArgumentListOpt
 339 %type <argument_> Arguments
 340 %type <literal_> ArrayLiteral
 341 %type <expression_> ArrowFunction
 342 %type <functionParameter_> ArrowParameters
 343 %type <expression_> AssignmentExpression
 344 %type <identifier_> Binding
 345 %type <identifier_> BindingIdentifier
 346 %type <expression_> BitwiseANDExpression
 347 %type <statement_> Block_
 348 %type <statement_> Block
 349 %type <boolean_> BooleanLiteral
 350 %type <declaration_> BindingElement
 351 %type <expression_> BitwiseORExpression
 352 %type <expression_> BitwiseXORExpression
 353 %type <statement_> BreakStatement
 354 %type <statement_> BreakableStatement
 355 %type <expression_> CallExpression_
 356 %type <expression_> CallExpression
 357 %type <clause_> CaseBlock
 358 %type <clause_> CaseClause
 359 %type <clause_> CaseClausesOpt
 360 %type <catch_> CatchOpt
 361 %type <comprehension_> ComprehensionForList
 362 %type <comprehension_> ComprehensionForListOpt
 363 %type <comprehension_> ComprehensionList
 364 %type <comprehension_> ComprehensionListOpt
 365 %type <expression_> ConditionalExpression
 366 %type <statement_> ContinueStatement
 367 %type <statement_> ConciseBody
 368 %type <statement_> DebuggerStatement
 369 %type <statement_> Declaration__
 370 %type <statement_> Declaration_
 371 %type <statement_> Declaration
 372 %type <clause_> DefaultClause
 373 %type <expression_> Element
 374 %type <expression_> ElementOpt
 375 %type <element_> ElementList
 376 %type <element_> ElementListOpt
 377 %type <statement_> ElseStatementOpt
 378 %type <statement_> EmptyStatement
 379 %type <expression_> EqualityExpression
 380 %type <compound_> Expression_
 381 %type <compound_> Expression
 382 %type <expression_> ExpressionOpt
 383 %type <statement_> ExpressionStatement
 384 %type <finally_> FinallyOpt
 385 %type <comprehension_> ForComprehension
 386 %type <for_> ForStatementInitialiser
 387 %type <forin_> ForInStatementInitialiser
 388 %type <declaration_> FormalParameter
 389 %type <functionParameter_> FormalParameterList_
 390 %type <functionParameter_> FormalParameterList
 391 %type <functionParameter_> FormalParameterListOpt
 392 %type <statement_> FunctionBody
 393 %type <statement_> FunctionDeclaration
 394 %type <expression_> FunctionExpression
 395 %type <identifier_> Identifier
 396 %type <identifier_> IdentifierOpt
 397 %type <word_> IdentifierName
 398 %type <comprehension_> IfComprehension
 399 %type <statement_> IfStatement
 400 %type <expression_> Initialiser
 401 %type <expression_> InitialiserOpt
 402 %type <statement_> IterationStatement
 403 %type <statement_> LabelledStatement
 404 %type <expression_> LeftHandSideExpression
 405 %type <statement_> LetStatement
 406 %type <statement_> LexicalDeclaration
 407 %type <literal_> Literal
 408 %type <literal_> ValueLiteral
 409 %type <expression_> LogicalANDExpression
 410 %type <expression_> LogicalORExpression
 411 %type <member_> MemberAccess
 412 %type <expression_> MemberExpression_
 413 %type <expression_> MemberExpression
 414 %type <expression_> MultiplicativeExpression
 415 %type <expression_> NewExpression
 416 %type <null_> NullLiteral
 417 %type <literal_> ObjectLiteral
 418 %type <compound_> Parenthetical
 419 %type <compound_> ParentheticalOpt
 420 %type <expression_> PostfixExpression
 421 %type <expression_> PrimaryExpression
 422 %type <statement_> Program
 423 %type <statement_> ProgramBody
 424 %type <statement_> ProgramBodyOpt
 425 %type <propertyName_> PropertyName_
 426 %type <propertyName_> PropertyName
 427 %type <property_> PropertyDefinition
 428 %type <property_> PropertyDefinitionList_
 429 %type <property_> PropertyDefinitionList
 430 %type <property_> PropertyDefinitionListOpt
 431 %type <expression_> RelationalExpression
 432 %type <statement_> ReturnStatement
 433 %type <rubyProc_> RubyProcExpression
 434 %type <functionParameter_> RubyProcParameterList_
 435 %type <functionParameter_> RubyProcParameterList
 436 %type <functionParameter_> RubyProcParameters
 437 %type <functionParameter_> RubyProcParametersOpt
 438 %type <expression_> ShiftExpression
 439 %type <declaration_> SingleNameBinding
 440 %type <statement_> Statement__
 441 %type <statement_> Statement_
 442 %type <statement_> Statement
 443 %type <statement_> StatementList
 444 %type <statement_> StatementListOpt
 445 %type <statement_> StatementListItem
 446 %type <statement_> SwitchStatement
 447 %type <statement_> ThrowStatement
 448 %type <statement_> TryStatement
 449 %type <expression_> UnaryExpression_
 450 %type <expression_> UnaryExpression
 451 %type <declaration_> VariableDeclaration
 452 %type <declarations_> VariableDeclarationList_
 453 %type <declarations_> VariableDeclarationList
 454 %type <statement_> VariableStatement
 455 %type <statement_> WithStatement
 456 %type <word_> Word
 457 %type <word_> WordOpt
 458 %type <expression_> Variable
 459
 460 @begin ObjectiveC
 461 %type <expression_> BoxableExpression
 462 %type <statement_> CategoryStatement
 463 %type <expression_> ClassExpression
 464 %type <field_> ClassFieldListOpt
 465 %type <field_> ClassFields
 466 %type <statement_> ClassStatement
 467 %type <expression_> ClassSuperOpt
 468 %type <message_> ClassMessageDeclaration
 469 %type <message_> ClassMessageDeclarationListOpt
 470 %type <className_> ClassName
 471 %type <className_> ClassNameOpt
 472 %type <protocol_> ClassProtocolListOpt
 473 %type <protocol_> ClassProtocols
 474 %type <protocol_> ClassProtocolsOpt
 475 %type <expression_> EncodedType
 476 %type <expression_> MessageExpression
 477 %type <messageParameter_> MessageParameter
 478 %type <messageParameter_> MessageParameters
 479 %type <messageParameter_> MessageParameterList
 480 %type <messageParameter_> MessageParameterListOpt
 481 %type <bool_> MessageScope
 482 %type <type_> ModifiedType
 483 %type <typedIdentifier_> PrefixedType
 484 %type <expression_> PrimitiveType
 485 %type <type_> QualifiedType
 486 %type <argument_> SelectorCall_
 487 %type <argument_> SelectorCall
 488 %type <selector_> SelectorExpression_
 489 %type <selector_> SelectorExpression
 490 %type <selector_> SelectorExpressionOpt
 491 %type <argument_> SelectorList
 492 %type <word_> SelectorWordOpt
 493 %type <typedIdentifier_> SuffixedType
 494 %type <expression_> TypeOpt
 495 %type <typedIdentifier_> TypedIdentifier
 496 %type <typedParameter_> TypedParameterList_
 497 %type <typedParameter_> TypedParameterList
 498 %type <typedParameter_> TypedParameterListOpt
 499 %type <argument_> VariadicCall
 500 @end
 501
 502 @begin E4X
 503 %type <propertyIdentifier_> PropertyIdentifier_
 504 %type <selector_> PropertySelector_
 505 %type <selector_> PropertySelector
 506 %type <identifier_> QualifiedIdentifier_
 507 %type <identifier_> QualifiedIdentifier
 508 %type <identifier_> WildcardIdentifier
 509 %type <identifier_> XMLComment
 510 %type <identifier_> XMLCDATA
 511 %type <identifier_> XMLElement
 512 %type <identifier_> XMLElementContent
 513 %type <identifier_> XMLMarkup
 514 %type <identifier_> XMLPI
 515
 516 %type <attribute_> AttributeIdentifier
 517 /* XXX: %type <statement_> DefaultXMLNamespaceStatement */
 518 %type <expression_> PropertyIdentifier
 519 %type <expression_> XMLListInitialiser
 520 %type <expression_> XMLInitialiser
 521 @end
 522 /* }}} */
 523 /* Token Priorities {{{ */
 524 %nonassoc ""
 525 %left "++" "--"
 526
 527 %nonassoc "if"
 528 %nonassoc "else"
 529 /* }}} */
 530
 531 %start Program
 532
 533 %%
 534
 535 /* Lexer State {{{ */
 536 LexPushInOn
 537     : { driver.in_.push(true); }
 538     ;
 539
 540 LexPushInOff
 541     : { driver.in_.push(false); }
 542     ;
 543
 544 LexPopIn
 545     : { driver.in_.pop(); }
 546     ;
 547
 548 LexSetRegExp
 549     : { driver.SetCondition(CYDriver::RegExpCondition); }
 550     ;
 551
 552 LexNoBrace
 553     : { if (yychar == yyempty_) driver.no_.OpenBrace = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
 554     ;
 555
 556 LexNoFunction
 557     : { if (yychar == yyempty_) driver.no_.Function = true; else if (yychar == token::Function) yychar = token::Function_; }
 558     ;
 559
 560 LexNoAtImplementation
 561     : { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
 562     ;
 563
 564 LexSetStatement
 565     : LexNoBrace LexNoFunction LexNoAtImplementation
 566     ;
 567 /* }}} */
 568 /* Virtual Tokens {{{ */
 569 BRACE
 570     : "{"
 571     | "\n{"
 572     ;
 573
 574 Var_
 575     : "var"
 576     ;
 577 /* }}} */
 578
 579 /* 7.6 Identifier Names and Identifiers {{{ */
 580 IdentifierName
 581     : Word { $$ = $1; }
 582     ;
 583
 584 NewLineOpt
 585     : "\n"
 586     |
 587     ;
 588
 589 Word
 590     : Identifier { $$ = $1; }
 591     | "auto" { $$ = $1; }
 592     | "break" NewLineOpt { $$ = $1; }
 593     | "case" { $$ = $1; }
 594     | "catch" { $$ = $1; }
 595     | "class" { $$ = $1; }
 596     | "const" { $$ = $1; }
 597     | "continue" NewLineOpt { $$ = $1; }
 598     | "debugger" { $$ = $1; }
 599     | "default" { $$ = $1; }
 600     | "delete" { $$ = $1; }
 601     | "do" { $$ = $1; }
 602     | "else" { $$ = $1; }
 603     | "enum" { $$ = $1; }
 604     | "export" { $$ = $1; }
 605     | "extends" { $$ = $1; }
 606     | "false" { $$ = $1; }
 607     | "finally" { $$ = $1; }
 608     /* XXX: | "for" { $$ = $1; } */
 609     | "function" { $$ = $1; }
 610     | "if" { $$ = $1; }
 611     | "import" { $$ = $1; }
 612     /* XXX: | "in" { $$ = $1; } */
 613     | "!in" { $$ = $1; }
 614     /* XXX: | "instanceof" { $$ = $1; } */
 615
 616     // XXX: as it currently is not an Identifier
 617     | "let" { $$ = $1; }
 618
 619     | "new" { $$ = $1; }
 620     | "null" { $$ = $1; }
 621     | "return" NewLineOpt { $$ = $1; }
 622     | "super" { $$ = $1; }
 623     | "switch" { $$ = $1; }
 624     | "this" { $$ = $1; }
 625     | "throw" NewLineOpt { $$ = $1; }
 626     | "true" { $$ = $1; }
 627     | "try" { $$ = $1; }
 628     | "typeof" { $$ = $1; }
 629     | "var" { $$ = $1; }
 630     | "void" { $$ = $1; }
 631     | "while" { $$ = $1; }
 632     | "with" { $$ = $1; }
 633     ;
 634
 635 WordOpt
 636     : Word { $$ = $1; }
 637     | { $$ = NULL; }
 638     ;
 639
 640 Identifier
 641     : Identifier_ { $$ = $1; }
 642
 643     | "implements" { $$ = $1; }
 644     | "interface" { $$ = $1; }
 645     | "package" { $$ = $1; }
 646     | "private" { $$ = $1; }
 647     | "protected" { $$ = $1; }
 648     | "public" { $$ = $1; }
 649     | "static" { $$ = $1; }
 650
 651     | "abstract" { $$ = $1; }
 652     | "boolean" { $$ = $1; }
 653     | "byte" { $$ = $1; }
 654     | "char" { $$ = $1; }
 655     | "double" { $$ = $1; }
 656     | "final" { $$ = $1; }
 657     | "float" { $$ = $1; }
 658     | "goto" { $$ = $1; }
 659     | "int" { $$ = $1; }
 660     | "long" { $$ = $1; }
 661     | "native" { $$ = $1; }
 662     | "short" { $$ = $1; }
 663     | "synchronized" { $$ = $1; }
 664     | "throws" { $$ = $1; }
 665     | "transient" { $$ = $1; }
 666     | "volatile" { $$ = $1; }
 667
 668     // XXX: currently I only have this as Word
 669     // | "let" { $$ = $1; }
 670
 671     | "yield" { $$ = $1; }
 672
 673     | "each" { $$ = $1; }
 674     | "of" { $$ = $1; }
 675     ;
 676
 677 IdentifierOpt
 678     : Identifier { $$ = $1; }
 679     | { $$ = NULL; }
 680     ;
 681 /* }}} */
 682
 683 /* 7.8 Literals {{{ */
 684 Literal
 685     : NullLiteral { $$ = $1; }
 686     | ValueLiteral { $$ = $1; }
 687     ;
 688
 689 ValueLiteral
 690     : BooleanLiteral { $$ = $1; }
 691     | NumericLiteral { $$ = $1; }
 692     | StringLiteral { $$ = $1; }
 693     | RegularExpressionLiteral { $$ = $1; }
 694     ;
 695 /* }}} */
 696 /* 7.8.1 Null Literals {{{ */
 697 NullLiteral
 698     : "null" { $$ = $1; }
 699     ;
 700 /* }}} */
 701 /* 7.8.2 Boolean Literals {{{ */
 702 BooleanLiteral
 703     : "true" { $$ = $1; }
 704     | "false" { $$ = $1; }
 705     ;
 706 /* }}} */
 707
 708 /* 7.9 Automatic Semicolon Insertion {{{ */
 709 StrictSemi
 710     : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
 711     ;
 712
 713 Terminator
 714     : ";"
 715     | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
 716     ;
 717
 718 TerminatorOpt
 719     : ";"
 720     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 721     ;
 722 /* }}} */
 723
 724 /* 11.1 Primary Expressions {{{ */
 725 Parenthetical
 726     : "(" LexPushInOff Expression LexPopIn ")" { $$ = $3; }
 727     ;
 728
 729 ParentheticalOpt
 730     : Parenthetical { $$ = $1; }
 731     | { $$ = NULL; }
 732     ;
 733
 734 Variable
 735     : Identifier { $$ = CYNew CYVariable($1); }
 736     ;
 737
 738 PrimaryExpression
 739     : "this" { $$ = $1; }
 740     | Variable { $$ = $1; }
 741     | Literal { $$ = $1; }
 742     | ArrayLiteral { $$ = $1; }
 743     | ObjectLiteral { $$ = $1; }
 744     | FunctionExpression { $$ = $1; }
 745     | Parenthetical { $$ = $1; }
 746     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
 747     ;
 748 /* }}} */
 749 /* 11.1.4.1 Array Initialiser {{{ */
 750 ArrayLiteral
 751     : "[" LexPushInOff ElementListOpt LexPopIn "]" { $$ = CYNew CYArray($3); }
 752     ;
 753
 754 Element
 755     : AssignmentExpression { $$ = $1; }
 756     ;
 757
 758 ElementOpt
 759     : Element { $$ = $1; }
 760     | LexSetRegExp { $$ = NULL; }
 761     ;
 762
 763 ElementList
 764     : ElementOpt "," ElementListOpt { $$ = CYNew CYElement($1, $3); }
 765     | Element { $$ = CYNew CYElement($1, NULL); }
 766     ;
 767
 768 ElementListOpt
 769     : ElementList { $$ = $1; }
 770     | LexSetRegExp { $$ = NULL; }
 771     ;
 772 /* }}} */
 773 /* 11.1.4.2 Array Comprehension {{{ */
 774 PrimaryExpression
 775     : "[" LexPushInOff AssignmentExpression ComprehensionForList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
 776     ;
 777
 778 ComprehensionForList
 779     : "for" Binding "in" Expression ComprehensionForListOpt { $$ = CYNew CYForInComprehension($2, $4, $5); }
 780     | "for" Binding "of" Expression ComprehensionForListOpt { $$ = CYNew CYForOfComprehension($2, $4, $5); }
 781     ;
 782
 783 ComprehensionForListOpt
 784     : ComprehensionForList { $$ = $1; }
 785     | "if" Expression { $$ = CYNew CYIfComprehension($2); }
 786     | { $$ = NULL; }
 787     ;
 788 /* }}} */
 789 /* 11.1.5 Object Initialiser {{{ */
 790 ObjectLiteral
 791     : BRACE LexPushInOff PropertyDefinitionListOpt LexPopIn "}" { $$ = CYNew CYObject($3); }
 792     ;
 793
 794 PropertyDefinitionList_
 795     : "," PropertyDefinitionList { $$ = $2; }
 796     | "," { $$ = NULL; }
 797     | { $$ = NULL; }
 798     ;
 799
 800 PropertyDefinitionList
 801     : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; }
 802     ;
 803
 804 PropertyDefinitionListOpt
 805     : PropertyDefinitionList { $$ = $1; }
 806     | { $$ = NULL; }
 807     ;
 808
 809 PropertyDefinition
 810     // XXX: this should be IdentifierName
 811     : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
 812     | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
 813     //| MethodDefinition
 814     ;
 815
 816 PropertyName_
 817     : IdentifierName { $$ = $1; }
 818     | StringLiteral { $$ = $1; }
 819     | NumericLiteral { $$ = $1; }
 820     ;
 821
 822 PropertyName
 823     : LexSetRegExp PropertyName_ { $$ = $2; }
 824     ;
 825 /* }}} */
 826
 827 /* 11.2 Left-Hand-Side Expressions {{{ */
 828 MemberAccess
 829     : "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYDirectMember(NULL, $3); }
 830     | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
 831     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
 832     ;
 833
 834 MemberExpression_
 835     : MemberExpression { $$ = $1; }
 836     //| "super" { $$ = $1; }
 837     ;
 838
 839 MemberExpression
 840     : LexSetRegExp PrimaryExpression { $$ = $2; }
 841     | MemberExpression_ { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 842     | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); }
 843     ;
 844
 845 NewExpression
 846     : MemberExpression { $$ = $1; }
 847     | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); }
 848     ;
 849
 850 CallExpression_
 851     : MemberExpression_
 852     | CallExpression
 853     ;
 854
 855 CallExpression
 856     : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); }
 857     | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 858     ;
 859
 860 Arguments
 861     : "(" LexPushInOff ArgumentListOpt LexPopIn ")" { $$ = $3; }
 862     ;
 863
 864 ArgumentList_
 865     : "," ArgumentList { $$ = $2; }
 866     | { $$ = NULL; }
 867     ;
 868
 869 ArgumentList
 870     : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); }
 871     ;
 872
 873 ArgumentListOpt
 874     : ArgumentList { $$ = $1; }
 875     | LexSetRegExp { $$ = NULL; }
 876     ;
 877
 878 LeftHandSideExpression
 879     : NewExpression { $$ = $1; }
 880     | CallExpression { $$ = $1; }
 881     ;
 882 /* }}} */
 883 /* 11.3 Postfix Expressions {{{ */
 884 PostfixExpression
 885     : %prec "" LeftHandSideExpression { $$ = $1; }
 886     | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); }
 887     | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); }
 888     ;
 889 /* }}} */
 890 /* 11.4 Unary Operators {{{ */
 891 UnaryExpression_
 892     : "delete" UnaryExpression { $$ = CYNew CYDelete($2); }
 893     | "void" UnaryExpression { $$ = CYNew CYVoid($2); }
 894     | "typeof" UnaryExpression { $$ = CYNew CYTypeOf($2); }
 895     | "++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 896     | "\n++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 897     | "--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 898     | "\n--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 899     | "+" UnaryExpression { $$ = CYNew CYAffirm($2); }
 900     | "-" UnaryExpression { $$ = CYNew CYNegate($2); }
 901     | "~" UnaryExpression { $$ = CYNew CYBitwiseNot($2); }
 902     | "!" UnaryExpression { $$ = CYNew CYLogicalNot($2); }
 903     ;
 904
 905 UnaryExpression
 906     : PostfixExpression { $$ = $1; }
 907     | LexSetRegExp UnaryExpression_ { $$ = $2; }
 908     ;
 909 /* }}} */
 910 /* 11.5 Multiplicative Operators {{{ */
 911 MultiplicativeExpression
 912     : UnaryExpression { $$ = $1; }
 913     | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); }
 914     | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); }
 915     | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); }
 916     ;
 917 /* }}} */
 918 /* 11.6 Additive Operators {{{ */
 919 AdditiveExpression
 920     : MultiplicativeExpression { $$ = $1; }
 921     | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); }
 922     | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); }
 923     ;
 924 /* }}} */
 925 /* 11.7 Bitwise Shift Operators {{{ */
 926 ShiftExpression
 927     : AdditiveExpression { $$ = $1; }
 928     | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); }
 929     | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); }
 930     | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); }
 931     ;
 932 /* }}} */
 933 /* 11.8 Relational Operators {{{ */
 934 RelationalExpression
 935     : ShiftExpression { $$ = $1; }
 936     | RelationalExpression "<" ShiftExpression { $$ = CYNew CYLess($1, $3); }
 937     | RelationalExpression ">" ShiftExpression { $$ = CYNew CYGreater($1, $3); }
 938     | RelationalExpression "<=" ShiftExpression { $$ = CYNew CYLessOrEqual($1, $3); }
 939     | RelationalExpression ">=" ShiftExpression { $$ = CYNew CYGreaterOrEqual($1, $3); }
 940     | RelationalExpression "instanceof" ShiftExpression { $$ = CYNew CYInstanceOf($1, $3); }
 941     | RelationalExpression "in" ShiftExpression { $$ = CYNew CYIn($1, $3); }
 942     ;
 943 /* }}} */
 944 /* 11.9 Equality Operators {{{ */
 945 EqualityExpression
 946     : RelationalExpression { $$ = $1; }
 947     | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); }
 948     | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); }
 949     | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); }
 950     | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); }
 951     ;
 952 /* }}} */
 953 /* 11.10 Binary Bitwise Operators {{{ */
 954 BitwiseANDExpression
 955     : EqualityExpression { $$ = $1; }
 956     | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); }
 957     ;
 958
 959 BitwiseXORExpression
 960     : BitwiseANDExpression { $$ = $1; }
 961     | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); }
 962     ;
 963
 964 BitwiseORExpression
 965     : BitwiseXORExpression { $$ = $1; }
 966     | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); }
 967     ;
 968 /* }}} */
 969 /* 11.11 Binary Logical Operators {{{ */
 970 LogicalANDExpression
 971     : BitwiseORExpression { $$ = $1; }
 972     | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); }
 973     ;
 974
 975 LogicalORExpression
 976     : LogicalANDExpression { $$ = $1; }
 977     | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); }
 978     ;
 979 /* }}} */
 980 /* 11.12 Conditional Operator ( ? : ) {{{ */
 981 ConditionalExpression
 982     : LogicalORExpression { $$ = $1; }
 983     | LogicalORExpression "?" LexPushInOff AssignmentExpression LexPopIn ":" AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
 984     ;
 985 /* }}} */
 986 /* 11.13 Assignment Operators {{{ */
 987 AssignmentExpression
 988     : ConditionalExpression { $$ = $1; }
 989     | ArrowFunction { $$ = $1; }
 990     | LeftHandSideExpression "=" AssignmentExpression { $$ = CYNew CYAssign($1, $3); }
 991     | LeftHandSideExpression "*=" AssignmentExpression { $$ = CYNew CYMultiplyAssign($1, $3); }
 992     | LeftHandSideExpression "/=" AssignmentExpression { $$ = CYNew CYDivideAssign($1, $3); }
 993     | LeftHandSideExpression "%=" AssignmentExpression { $$ = CYNew CYModulusAssign($1, $3); }
 994     | LeftHandSideExpression "+=" AssignmentExpression { $$ = CYNew CYAddAssign($1, $3); }
 995     | LeftHandSideExpression "-=" AssignmentExpression { $$ = CYNew CYSubtractAssign($1, $3); }
 996     | LeftHandSideExpression "<<=" AssignmentExpression { $$ = CYNew CYShiftLeftAssign($1, $3); }
 997     | LeftHandSideExpression ">>=" AssignmentExpression { $$ = CYNew CYShiftRightSignedAssign($1, $3); }
 998     | LeftHandSideExpression ">>>=" AssignmentExpression { $$ = CYNew CYShiftRightUnsignedAssign($1, $3); }
 999     | LeftHandSideExpression "&=" AssignmentExpression { $$ = CYNew CYBitwiseAndAssign($1, $3); }
1000     | LeftHandSideExpression "^=" AssignmentExpression { $$ = CYNew CYBitwiseXOrAssign($1, $3); }
1001     | LeftHandSideExpression "|=" AssignmentExpression { $$ = CYNew CYBitwiseOrAssign($1, $3); }
1002     ;
1003 /* }}} */
1004 /* 11.14 Comma Operator {{{ */
1005 Expression_
1006     : "," Expression { $$ = $2; }
1007     | { $$ = CYNew CYCompound(); }
1008     ;
1009
1010 Expression
1011     : AssignmentExpression Expression_ { $2->AddPrev($1); $$ = $2; }
1012     ;
1013
1014 ExpressionOpt
1015     : Expression { $$ = $1; }
1016     | LexSetRegExp { $$ = NULL; }
1017     ;
1018 /* }}} */
1019
1020 /* 12 Statements {{{ */
1021 Statement__
1022     : Block { $$ = $1; }
1023     | VariableStatement { $$ = $1; }
1024     | EmptyStatement { $$ = $1; }
1025     | IfStatement { $$ = $1; }
1026     | BreakableStatement { $$ = $1; }
1027     | ContinueStatement { $$ = $1; }
1028     | BreakStatement { $$ = $1; }
1029     | ReturnStatement { $$ = $1; }
1030     | WithStatement { $$ = $1; }
1031     | LabelledStatement { $$ = $1; }
1032     | ThrowStatement { $$ = $1; }
1033     | TryStatement { $$ = $1; }
1034     | DebuggerStatement { $$ = $1; }
1035     ;
1036
1037 Statement_
1038     : LexSetRegExp Statement__ { $$ = $2; }
1039     | ExpressionStatement { $$ = $1; }
1040     ;
1041
1042 Statement
1043     : LexSetStatement Statement_ { $$ = $2; }
1044     ;
1045
1046 Declaration__
1047     : FunctionDeclaration { $$ = $1; }
1048     | LexicalDeclaration { $$ = $1; }
1049     ;
1050
1051 Declaration_
1052     : LexSetRegExp Declaration__ { $$ = $2; }
1053     ;
1054
1055 Declaration
1056     : LexSetStatement Declaration_ { $$ = $2; }
1057     ;
1058
1059 BreakableStatement
1060     : IterationStatement { $$ = $1; }
1061     | SwitchStatement { $$ = $1; }
1062     ;
1063 /* }}} */
1064 /* 12.1 Block {{{ */
1065 Block_
1066     : BRACE StatementListOpt "}" { $$ = $2; }
1067     ;
1068
1069 Block
1070     : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); }
1071     ;
1072
1073 StatementList
1074     : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; }
1075     ;
1076
1077 StatementListOpt
1078     : StatementList { $$ = $1; }
1079     | LexSetStatement LexSetRegExp { $$ = NULL; }
1080     ;
1081
1082 StatementListItem
1083     : Statement { $$ = $1; }
1084     | Declaration { $$ = $1; }
1085     ;
1086 /* }}} */
1087
1088 /* 12.2 Declarations {{{ */
1089 BindingIdentifier
1090     : Identifier { $$ = $1; }
1091     ;
1092
1093 Binding
1094     : BindingIdentifier
1095     ;
1096
1097 // XXX: BindingPattern
1098 /* }}} */
1099 /* 12.2.1 Let and Const Declarations {{{ */
1100 LexicalDeclaration
1101     : LetOrConst VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1102     ;
1103
1104 LetOrConst
1105     : "let"
1106     | "const"
1107     ;
1108 /* }}} */
1109 /* 12.2.2 Variable Statement {{{ */
1110 VariableStatement
1111     : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1112     ;
1113
1114 VariableDeclarationList_
1115     : "," VariableDeclarationList { $$ = $2; }
1116     | { $$ = NULL; }
1117     ;
1118
1119 VariableDeclarationList
1120     : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); }
1121     ;
1122
1123 VariableDeclaration
1124     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1125     // XXX: | BindingPattern Initialiser { $$ = CYNew CYDeclaration($1, $2); }
1126     ;
1127
1128 Initialiser
1129     : "=" AssignmentExpression { $$ = $2; }
1130     ;
1131
1132 InitialiserOpt
1133     : Initialiser { $$ = $1; }
1134     | { $$ = NULL; }
1135     ;
1136 /* }}} */
1137 /* 12.2.4 Destructuring Binding Patterns {{{ */
1138 // XXX: *
1139
1140 BindingElement
1141     : SingleNameBinding { $$ = $1; }
1142     ;
1143
1144 SingleNameBinding
1145     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1146     ;
1147 /* }}} */
1148
1149 /* 12.3 Empty Statement {{{ */
1150 EmptyStatement
1151     : ";" { $$ = CYNew CYEmpty(); }
1152     ;
1153 /* }}} */
1154 /* 12.4 Expression Statement {{{ */
1155 ExpressionStatement
1156     : Expression Terminator { $$ = CYNew CYExpress($1); }
1157     ;
1158 /* }}} */
1159 /* 12.5 The if Statement {{{ */
1160 ElseStatementOpt
1161     : "else" Statement { $$ = $2; }
1162     | %prec "if" { $$ = NULL; }
1163     ;
1164
1165 IfStatement
1166     : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); }
1167     ;
1168 /* }}} */
1169
1170 /* 12.6.1 The do-while Statement {{{ */
1171 IterationStatement
1172     : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); }
1173     ;
1174 /* }}} */
1175 /* 12.6.2 The while Statement {{{ */
1176 IterationStatement
1177     : "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); }
1178     ;
1179 /* }}} */
1180 /* 12.6.3 The for Statement {{{ */
1181 IterationStatement
1182     : "for" "(" LexPushInOn ForStatementInitialiser LexPopIn ";" ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
1183     ;
1184
1185 ForStatementInitialiser
1186     : ExpressionOpt { $$ = $1; }
1187     | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
1188     ;
1189 /* }}} */
1190 /* 12.6.4 The for-in and for-of Statements {{{ */
1191 IterationStatement
1192     : "for" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
1193     | "for" "(" LexPushInOn ForInStatementInitialiser LexPopIn "of" Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
1194     ;
1195
1196 ForInStatementInitialiser
1197     : LeftHandSideExpression { $$ = $1; }
1198     | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
1199     ;
1200 /* }}} */
1201
1202 /* 12.7 The continue Statement {{{ */
1203 ContinueStatement
1204     : "continue" "\n" StrictSemi { $$ = CYNew CYContinue(NULL); }
1205     | "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); }
1206     ;
1207 /* }}} */
1208 /* 12.8 The break Statement {{{ */
1209 BreakStatement
1210     : "break" "\n" StrictSemi { $$ = CYNew CYBreak(NULL); }
1211     | "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); }
1212     ;
1213 /* }}} */
1214 /* 12.9 The return Statement {{{ */
1215 ReturnStatement
1216     : "return" "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
1217     | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
1218     ;
1219 /* }}} */
1220 /* 12.10 The with Statement {{{ */
1221 WithStatement
1222     : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); }
1223     ;
1224 /* }}} */
1225
1226 /* 12.11 The switch Statement {{{ */
1227 SwitchStatement
1228     : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); }
1229     ;
1230
1231 CaseBlock
1232     : BRACE CaseClausesOpt "}" { $$ = $2; }
1233     ;
1234
1235 CaseClause
1236     : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); }
1237     ;
1238
1239 CaseClausesOpt
1240     : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1241     | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1242     | { $$ = NULL; }
1243     ;
1244
1245 DefaultClause
1246     : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); }
1247     ;
1248 /* }}} */
1249 /* 12.12 Labelled Statements {{{ */
1250 LabelledStatement
1251     : Identifier ":" Statement { $$ = CYNew CYLabel($1, $3); }
1252     ;
1253 /* }}} */
1254 /* 12.13 The throw Statement {{{ */
1255 ThrowStatement
1256     : "throw" "\n" StrictSemi { YYABORT; }
1257     | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
1258     ;
1259 /* }}} */
1260 /* 12.14 The try Statement {{{ */
1261 TryStatement
1262     : "try" Block_ CatchOpt FinallyOpt { $$ = CYNew cy::Syntax::Try($2, $3, $4); }
1263     ;
1264
1265 CatchOpt
1266     : "catch" "(" Identifier ")" Block_ { $$ = CYNew cy::Syntax::Catch($3, $5); }
1267     | { $$ = NULL; }
1268     ;
1269
1270 FinallyOpt
1271     : "finally" Block_ { $$ = CYNew CYFinally($2); }
1272     | { $$ = NULL; }
1273     ;
1274 /* }}} */
1275 /* 12.14 The debugger Statement {{{ */
1276 DebuggerStatement
1277     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1278     ;
1279 /* }}} */
1280
1281 /* 13.1 Function Definitions {{{ */
1282 FunctionDeclaration
1283     : ";function" Identifier "(" FormalParameterListOpt ")" BRACE FunctionBody "}" { $$ = CYNew CYFunctionStatement($2, $4, $7); }
1284     ;
1285
1286 FunctionExpression
1287     : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt LexPopIn ")" BRACE LexPushInOff FunctionBody LexPopIn "}" { $$ = CYNew CYFunctionExpression($2, $5, $10); }
1288     ;
1289
1290 FormalParameterList_
1291     : "," FormalParameterList { $$ = $2; }
1292     | { $$ = NULL; }
1293     ;
1294
1295 FormalParameterList
1296     // XXX: : FunctionRestParameter { $$ = $1; }
1297     : FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); }
1298     ;
1299
1300 FormalParameterListOpt
1301     : FormalParameterList
1302     | { $$ = NULL; }
1303     ;
1304
1305 /* XXX: FunctionRestParameter
1306     : "..." BindingIdentifier { $$ = CYNew CYFunctionRestParameter($2); }
1307     ;*/
1308
1309 FormalParameter
1310     : BindingElement { $$ = $1; }
1311     ;
1312
1313 FunctionBody
1314     : StatementListOpt { $$ = $1; }
1315     ;
1316 /* }}} */
1317 /* 13.2 Arrow Function Definitions {{{ */
1318 ArrowFunction
1319     : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
1320     ;
1321
1322 ArrowParameters
1323     : BindingIdentifier { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1)); }
1324     //| ParentheticalOpt { $$ = $1; }
1325     ;
1326
1327 ConciseBody
1328     : AssignmentExpression { $$ = CYNew CYReturn($1); }
1329     | ";{" LexPushInOff FunctionBody LexPopIn "}" { $$ = $3; }
1330     ;
1331 /* }}} */
1332 /* 14 Program {{{ */
1333 Program
1334     : ProgramBodyOpt { driver.program_ = CYNew CYProgram($1); }
1335     ;
1336
1337 ProgramBody
1338     : StatementList { $$ = $1; }
1339     ;
1340
1341 ProgramBodyOpt
1342     : ProgramBody { $$ = $1; }
1343     | LexSetStatement LexSetRegExp { $$ = NULL; }
1344     ;
1345 /* }}} */
1346
1347 @begin ObjectiveC
1348 /* Cycript (Objective-C): Type Encoding {{{ */
1349 SuffixedType
1350     : IdentifierOpt { $$ = CYNew CYTypedIdentifier($1); }
1351     | "(" LexPushInOff PrefixedType LexPopIn ")" { $$ = $3; }
1352     | SuffixedType "[" NumericLiteral "]" { CYSetLast($1->type_) = CYNew CYTypeArrayOf($3->Value()); $$ = $1; }
1353     ;
1354
1355 PrefixedType
1356     : SuffixedType { $$ = $1; }
1357     | "const" PrefixedType { CYSetLast($2->type_) = CYNew CYTypeConstant(); $$ = $2; }
1358     | "*" PrefixedType { CYSetLast($2->type_) = CYNew CYTypePointerTo(); $$ = $2; }
1359     ;
1360
1361 PrimitiveType
1362     : Variable { $$ = $1; }
1363     | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }
1364     ;
1365
1366 QualifiedType
1367     : PrimitiveType { $$ = CYNew CYTypeVariable($1); }
1368     | "const" QualifiedType { $$ = CYNew CYTypeConstant($2); }
1369     ;
1370
1371 ModifiedType
1372     : QualifiedType { $$ = $1; }
1373     | QualifiedType "*" { $$ = CYNew CYTypePointerTo($1); }
1374     | QualifiedType "const" { $$ = CYNew CYTypeConstant($1); }
1375     ;
1376
1377 TypedIdentifier
1378     : QualifiedType PrefixedType { CYSetLast($2->type_) = $1; $$ = $2;}
1379     ;
1380
1381 EncodedType
1382     : TypedIdentifier { $$ = CYNew CYEncodedType($1->type_); }
1383     ;
1384
1385 PrimaryExpression
1386     : AtEncode "(" EncodedType ")" { $$ = $3; }
1387     ;
1388 /* }}} */
1389 /* Cycript (Objective-C): @class Declaration {{{ */
1390 ClassSuperOpt
1391     /* XXX: why the hell did I choose MemberExpression? */
1392     : ":" LexSetRegExp MemberExpression { $$ = $3; }
1393     | { $$ = NULL; }
1394     ;
1395
1396 ClassFieldListOpt
1397     : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
1398     | { $$ = NULL; }
1399     ;
1400
1401 ClassFields
1402     : BRACE ClassFieldListOpt "}" { $$ = $2; }
1403     ;
1404
1405 MessageScope
1406     : "+" { $$ = false; }
1407     | "-" { $$ = true; }
1408     ;
1409
1410 TypeOpt
1411     : "(" LexSetRegExp EncodedType ")" { $$ = $3; }
1412     | { $$ = NULL; }
1413     ;
1414
1415 MessageParameter
1416     : Word ":" TypeOpt Identifier { $$ = CYNew CYMessageParameter($1, $3, $4); }
1417     ;
1418
1419 MessageParameterList
1420     : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
1421     ;
1422
1423 MessageParameterListOpt
1424     : MessageParameterList { $$ = $1; }
1425     | { $$ = NULL; }
1426     ;
1427
1428 MessageParameters
1429     : MessageParameterList { $$ = $1; }
1430     | Word { $$ = CYNew CYMessageParameter($1, NULL, NULL); }
1431     ;
1432
1433 ClassMessageDeclaration
1434     : MessageScope TypeOpt MessageParameters BRACE FunctionBody "}" { $$ = CYNew CYMessage($1, $2, $3, $5); }
1435     ;
1436
1437 ClassMessageDeclarationListOpt
1438     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
1439     | ClassMessageDeclarationListOpt Comment { $$ = $1; }
1440     | { $$ = NULL; }
1441     ;
1442
1443 ClassName
1444     : Identifier { $$ = $1; }
1445     | "(" AssignmentExpression ")" { $$ = $2; }
1446     ;
1447
1448 ClassNameOpt
1449     : ClassName { $$ = $1; }
1450     | { $$ = NULL; }
1451     ;
1452
1453 // XXX: this should be AssignmentExpressionNoRight
1454 ClassProtocols
1455     : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); }
1456     ;
1457
1458 ClassProtocolsOpt
1459     : "," ClassProtocols { $$ = $2; }
1460     | { $$ = NULL; }
1461     ;
1462
1463 ClassProtocolListOpt
1464     : "<" ClassProtocols ">" { $$ = $2; }
1465     | { $$ = NULL; }
1466     ;
1467
1468 ClassExpression
1469     : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
1470     ;
1471
1472 ClassStatement
1473     : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
1474     ;
1475
1476 CategoryName
1477     : "(" WordOpt ")"
1478     ;
1479
1480 CategoryStatement
1481     : ";@implementation" ClassName CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); }
1482     ;
1483
1484 PrimaryExpression
1485     : ClassExpression { $$ = $1; }
1486     ;
1487
1488 Statement__
1489     : ClassStatement { $$ = $1; }
1490     | CategoryStatement { $$ = $1; }
1491     ;
1492 /* }}} */
1493 /* Cycript (Objective-C): Send Message {{{ */
1494 VariadicCall
1495     : "," AssignmentExpression VariadicCall { $$ = CYNew CYArgument(NULL, $2, $3); }
1496     | { $$ = NULL; }
1497     ;
1498
1499 SelectorWordOpt
1500     : WordOpt { driver.contexts_.back().words_.push_back($1); } { $$ = $1; }
1501     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
1502     ;
1503
1504 SelectorCall_
1505     : SelectorCall { $$ = $1; }
1506     | VariadicCall { $$ = $1; }
1507     ;
1508
1509 SelectorCall
1510     : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYBlank(), $3, $4); }
1511     ;
1512
1513 SelectorList
1514     : SelectorCall { $$ = $1; }
1515     | Word { $$ = CYNew CYArgument($1, NULL); }
1516     ;
1517
1518 MessageExpression
1519     : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList LexPopIn "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
1520     | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList LexPopIn "]" { $$ = CYNew CYSendSuper($6); }
1521     ;
1522
1523 SelectorExpression_
1524     : WordOpt ":" SelectorExpressionOpt { $$ = CYNew CYSelectorPart($1, true, $3); }
1525     ;
1526
1527 SelectorExpression
1528     : SelectorExpression_ { $$ = $1; }
1529     | Word { $$ = CYNew CYSelectorPart($1, false, NULL); }
1530     ;
1531
1532 SelectorExpressionOpt
1533     : SelectorExpression_ { $$ = $1; }
1534     | { $$ = NULL; }
1535     ;
1536
1537 PrimaryExpression
1538     : MessageExpression { $$ = $1; }
1539     | "@selector" "(" LexPushInOff SelectorExpression LexPopIn ")" { $$ = CYNew CYSelector($4); }
1540     ;
1541 /* }}} */
1542 /* Cycript (Objective-C): @import Directive {{{ */
1543 PathName
1544     : "/" PathName
1545     | "." PathName
1546     | Word PathName
1547     |
1548     ;
1549
1550 ImportPath
1551     : "<" PathName ">"
1552     | StringLiteral
1553     ;
1554
1555 StatementListItem
1556     : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
1557     ;
1558 /* }}} */
1559 /* Cycript (Objective-C): Boxed Expressions {{{ */
1560 BoxableExpression
1561     : NullLiteral { $$ = $1; }
1562     | BooleanLiteral { $$ = $1; }
1563     | NumericLiteral { $$ = $1; }
1564     | StringLiteral { $$ = $1; }
1565     | ArrayLiteral { $$ = $1; }
1566     | ObjectLiteral { $$ = $1; }
1567     | Parenthetical { $$ = $1; }
1568     ;
1569
1570 PrimaryExpression
1571     : "@" BoxableExpression { $$ = CYNew CYBox($2); }
1572     ;
1573 /* }}} */
1574 /* Cycript (Objective-C): Block Expressions {{{ */
1575 TypedParameterList_
1576     : "," TypedParameterList { $$ = $2; }
1577     | { $$ = NULL; }
1578     ;
1579
1580 TypedParameterList
1581     : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); }
1582     ;
1583
1584 TypedParameterListOpt
1585     : TypedParameterList { $$ = $1; }
1586     | { $$ = NULL; }
1587     ;
1588
1589 PrimaryExpression
1590     : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt LexPopIn ")" BRACE LexPushInOff FunctionBody LexPopIn "}" { $$ = CYNew CYObjCBlock($2, $5, $10); }
1591     ;
1592 /* }}} */
1593 @end
1594
1595 @begin C
1596 /* Cycript (C): Pointer Indirection/Addressing {{{ */
1597 LeftHandSideExpression
1598     : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); }
1599     ;
1600
1601 UnaryExpression_
1602     : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); }
1603     ;
1604
1605 MemberAccess
1606     : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); }
1607     | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); }
1608     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
1609     ;
1610 /* }}} */
1611 /* Cycript (C): auto Compatibility {{{ */
1612 Var_
1613     : "auto"
1614     ;
1615 /* }}} */
1616 @end
1617
1618 /* YUI: Documentation Comments {{{ */
1619 Statement__
1620     : Comment { $$ = $1; }
1621     ;
1622 /* }}} */
1623
1624 @begin E4X
1625 /* Lexer State {{{ */
1626 LexPushRegExp
1627     : { driver.PushCondition(CYDriver::RegExpCondition); }
1628     ;
1629
1630 LexPushXMLContent
1631     : { driver.PushCondition(CYDriver::XMLContentCondition); }
1632     ;
1633
1634 LexPushXMLTag
1635     : { driver.PushCondition(CYDriver::XMLTagCondition); }
1636     ;
1637
1638 LexPop
1639     : { driver.PopCondition(); }
1640     ;
1641
1642 LexSetXMLContent
1643     : { driver.SetCondition(CYDriver::XMLContentCondition); }
1644     ;
1645
1646 LexSetXMLTag
1647     : { driver.SetCondition(CYDriver::XMLTagCondition); }
1648     ;
1649 /* }}} */
1650 /* Virtual Tokens {{{ */
1651 XMLWhitespaceOpt
1652     : XMLWhitespace
1653     |
1654     ;
1655 /* }}} */
1656
1657 /* 8.1 Context Keywords {{{ */
1658 Identifier
1659     : "namespace" { $$ = $1; }
1660     | "xml" { $$ = $1; }
1661     ;
1662 /* }}} */
1663 /* 8.3 XML Initialiser Input Elements {{{ */
1664 XMLMarkup
1665     : XMLComment { $$ = $1; }
1666     | XMLCDATA { $$ = $1; }
1667     | XMLPI { $$ = $1; }
1668     ;
1669 /* }}} */
1670
1671 /* 11.1 Primary Expressions {{{ */
1672 PrimaryExpression
1673     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
1674     | XMLInitialiser { $$ = $1; }
1675     | XMLListInitialiser { $$ = $1; }
1676     ;
1677
1678 PropertyIdentifier
1679     : AttributeIdentifier { $$ = $1; }
1680     | QualifiedIdentifier { $$ = $1; }
1681     | WildcardIdentifier { $$ = $1; }
1682     ;
1683 /* }}} */
1684 /* 11.1.1 Attribute Identifiers {{{ */
1685 AttributeIdentifier
1686     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
1687     ;
1688
1689 PropertySelector_
1690     : PropertySelector { $$ = $1; }
1691     | "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYSelector($3); }
1692     ;
1693
1694 PropertySelector
1695     : Identifier { $$ = CYNew CYSelector($1); }
1696     | WildcardIdentifier { $$ = $1; }
1697     ;
1698 /* }}} */
1699 /* 11.1.2 Qualified Identifiers {{{ */
1700 QualifiedIdentifier_
1701     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
1702     | QualifiedIdentifier { $$ = $1; }
1703     ;
1704
1705 QualifiedIdentifier
1706     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
1707     ;
1708 /* }}} */
1709 /* 11.1.3 Wildcard Identifiers {{{ */
1710 WildcardIdentifier
1711     : "*" { $$ = CYNew CYWildcard(); }
1712     ;
1713 /* }}} */
1714 /* 11.1.4 XML Initialiser {{{ */
1715 XMLInitialiser
1716     : XMLMarkup { $$ = $1; }
1717     | XMLElement { $$ = $1; }
1718     ;
1719
1720 XMLElement
1721     : "<" LexPushInOff XMLTagContent LexPop LexPopIn "/>"
1722     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop LexPopIn ">"
1723     ;
1724
1725 XMLTagContent
1726     : LexPushXMLTag XMLTagName XMLAttributes
1727     ;
1728
1729 XMLExpression
1730     : BRACE LexPushRegExp Expression LexPop "}"
1731     ;
1732
1733 XMLTagName
1734     : XMLExpression
1735     | XMLName
1736     ;
1737
1738 XMLAttributes_
1739     : XMLAttributes_ XMLAttribute
1740     |
1741     ;
1742
1743 XMLAttributes
1744     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
1745     | XMLAttributes_ XMLWhitespaceOpt
1746     ;
1747
1748 XMLAttributeValue_
1749     : XMLExpression
1750     | XMLAttributeValue
1751     ;
1752
1753 XMLAttribute
1754     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
1755     ;
1756
1757 XMLElementContent
1758     : XMLExpression XMLElementContentOpt
1759     | XMLMarkup XMLElementContentOpt
1760     | XMLText XMLElementContentOpt
1761     | XMLElement XMLElementContentOpt
1762     ;
1763
1764 XMLElementContentOpt
1765     : XMLElementContent
1766     |
1767     ;
1768 /* }}} */
1769 /* 11.1.5 XMLList Initialiser {{{ */
1770 XMLListInitialiser
1771     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "</>" { $$ = CYNew CYXMLList($4); }
1772     ;
1773 /* }}} */
1774
1775 /* 11.2 Left-Hand-Side Expressions {{{ */
1776 PropertyIdentifier_
1777     : Identifier { $$ = $1; }
1778     | PropertyIdentifier { $$ = $1; }
1779     ;
1780
1781 MemberAccess
1782     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
1783     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
1784     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
1785     ;
1786 /* }}} */
1787 /* 12.1 The default xml namespace Statement {{{ */
1788 /* XXX: DefaultXMLNamespaceStatement
1789     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
1790     ;
1791
1792 Statement__
1793     : DefaultXMLNamespaceStatement { $$ = $1; }
1794     ; */
1795 /* }}} */
1796 @end
1797
1798 /* JavaScript 1.7: Array Comprehensions {{{ */
1799 IfComprehension
1800     : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }
1801     ;
1802
1803 ForComprehension
1804     : "for" "(" Identifier "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
1805     | "for" "each" "(" Identifier "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
1806     ;
1807
1808 ComprehensionList
1809     : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
1810     ;
1811
1812 ComprehensionListOpt
1813     : ComprehensionList { $$ = $1; }
1814     | IfComprehension { $$ = $1; }
1815     | { $$ = NULL; }
1816     ;
1817
1818 PrimaryExpression
1819     : "[" LexPushInOff AssignmentExpression ComprehensionList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
1820     ;
1821 /* }}} */
1822 /* JavaScript 1.7: for each {{{ */
1823 IterationStatement
1824     : "for" "each" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
1825     ;
1826 /* }}} */
1827 /* JavaScript 1.7: let Statements {{{ */
1828 LetStatement
1829     : "let" "(" VariableDeclarationList ")" Statement { $$ = CYNew CYLetStatement($3, $5); }
1830     ;
1831
1832 Statement__
1833     : LetStatement
1834     ;
1835 /* }}} */
1836
1837 /* JavaScript FTW: Ruby Blocks {{{ */
1838 RubyProcParameterList_
1839     : "," RubyProcParameterList { $$ = $2; }
1840     | { $$ = NULL; }
1841     ;
1842
1843 RubyProcParameterList
1844     : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); }
1845     | { $$ = NULL; }
1846     ;
1847
1848 RubyProcParameters
1849     : "|" RubyProcParameterList "|" { $$ = $2; }
1850     | "||" { $$ = NULL; }
1851     ;
1852
1853 RubyProcParametersOpt
1854     : RubyProcParameters
1855     | { $$ = NULL; }
1856     ;
1857
1858 RubyProcExpression
1859     : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
1860     ;
1861
1862 PrimaryExpression
1863     : "{" LexPushInOff RubyProcParameters StatementListOpt LexPopIn "}" { $$ = CYNew CYRubyProc($3, $4); }
1864     ;
1865
1866 CallExpression
1867     : CallExpression_ RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }
1868     ;
1869 /* }}} */
1870
1871 %%