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