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         CYWord *word_;
  85
  86 @begin ObjectiveC
  87         CYClassName *className_;
  88         CYField *field_;
  89         CYMessage *message_;
  90         CYMessageParameter *messageParameter_;
  91         CYProtocol *protocol_;
  92         CYSelectorPart *selector_;
  93         CYTypeModifier *type_;
  94         CYTypedIdentifier *typedIdentifier_;
  95         CYTypedParameter *typedParameter_;
  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 @begin ObjectiveC
 562     { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
 563 @end
 564     ;
 565
 566 LexSetStatement
 567     : LexNoBrace LexNoFunction LexNoAtImplementation
 568     ;
 569 /* }}} */
 570 /* Virtual Tokens {{{ */
 571 BRACE
 572     : "{"
 573     | "\n{"
 574     ;
 575
 576 Var_
 577     : "var"
 578     ;
 579 /* }}} */
 580
 581 /* 7.6 Identifier Names and Identifiers {{{ */
 582 IdentifierName
 583     : Word { $$ = $1; }
 584     ;
 585
 586 NewLineOpt
 587     : "\n"
 588     |
 589     ;
 590
 591 Word
 592     : Identifier { $$ = $1; }
 593     | "auto" { $$ = $1; }
 594     | "break" NewLineOpt { $$ = $1; }
 595     | "case" { $$ = $1; }
 596     | "catch" { $$ = $1; }
 597     | "class" { $$ = $1; }
 598     | "const" { $$ = $1; }
 599     | "continue" NewLineOpt { $$ = $1; }
 600     | "debugger" { $$ = $1; }
 601     | "default" { $$ = $1; }
 602     | "delete" { $$ = $1; }
 603     | "do" { $$ = $1; }
 604     | "else" { $$ = $1; }
 605     | "enum" { $$ = $1; }
 606     | "export" { $$ = $1; }
 607     | "extends" { $$ = $1; }
 608     | "false" { $$ = $1; }
 609     | "finally" { $$ = $1; }
 610     /* XXX: | "for" { $$ = $1; } */
 611     | "function" { $$ = $1; }
 612     | "if" { $$ = $1; }
 613     | "import" { $$ = $1; }
 614     /* XXX: | "in" { $$ = $1; } */
 615     | "!in" { $$ = $1; }
 616     /* XXX: | "instanceof" { $$ = $1; } */
 617
 618     // XXX: as it currently is not an Identifier
 619     | "let" { $$ = $1; }
 620
 621     | "new" { $$ = $1; }
 622     | "null" { $$ = $1; }
 623     | "return" NewLineOpt { $$ = $1; }
 624     | "super" { $$ = $1; }
 625     | "switch" { $$ = $1; }
 626     | "this" { $$ = $1; }
 627     | "throw" NewLineOpt { $$ = $1; }
 628     | "true" { $$ = $1; }
 629     | "try" { $$ = $1; }
 630     | "typeof" { $$ = $1; }
 631     | "var" { $$ = $1; }
 632     | "void" { $$ = $1; }
 633     | "while" { $$ = $1; }
 634     | "with" { $$ = $1; }
 635     ;
 636
 637 WordOpt
 638     : Word { $$ = $1; }
 639     | { $$ = NULL; }
 640     ;
 641
 642 Identifier
 643     : Identifier_ { $$ = $1; }
 644
 645     | "implements" { $$ = $1; }
 646     | "interface" { $$ = $1; }
 647     | "package" { $$ = $1; }
 648     | "private" { $$ = $1; }
 649     | "protected" { $$ = $1; }
 650     | "public" { $$ = $1; }
 651     | "static" { $$ = $1; }
 652
 653     | "abstract" { $$ = $1; }
 654     | "boolean" { $$ = $1; }
 655     | "byte" { $$ = $1; }
 656     | "char" { $$ = $1; }
 657     | "double" { $$ = $1; }
 658     | "final" { $$ = $1; }
 659     | "float" { $$ = $1; }
 660     | "goto" { $$ = $1; }
 661     | "int" { $$ = $1; }
 662     | "long" { $$ = $1; }
 663     | "native" { $$ = $1; }
 664     | "short" { $$ = $1; }
 665     | "synchronized" { $$ = $1; }
 666     | "throws" { $$ = $1; }
 667     | "transient" { $$ = $1; }
 668     | "volatile" { $$ = $1; }
 669
 670     // XXX: currently I only have this as Word
 671     // | "let" { $$ = $1; }
 672
 673     | "yield" { $$ = $1; }
 674
 675     | "each" { $$ = $1; }
 676     | "of" { $$ = $1; }
 677     ;
 678
 679 IdentifierOpt
 680     : Identifier { $$ = $1; }
 681     | { $$ = NULL; }
 682     ;
 683 /* }}} */
 684
 685 /* 7.8 Literals {{{ */
 686 Literal
 687     : NullLiteral { $$ = $1; }
 688     | ValueLiteral { $$ = $1; }
 689     ;
 690
 691 ValueLiteral
 692     : BooleanLiteral { $$ = $1; }
 693     | NumericLiteral { $$ = $1; }
 694     | StringLiteral { $$ = $1; }
 695     | RegularExpressionLiteral { $$ = $1; }
 696     ;
 697 /* }}} */
 698 /* 7.8.1 Null Literals {{{ */
 699 NullLiteral
 700     : "null" { $$ = $1; }
 701     ;
 702 /* }}} */
 703 /* 7.8.2 Boolean Literals {{{ */
 704 BooleanLiteral
 705     : "true" { $$ = $1; }
 706     | "false" { $$ = $1; }
 707     ;
 708 /* }}} */
 709
 710 /* 7.9 Automatic Semicolon Insertion {{{ */
 711 StrictSemi
 712     : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
 713     ;
 714
 715 Terminator
 716     : ";"
 717     | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
 718     ;
 719
 720 TerminatorOpt
 721     : ";"
 722     | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
 723     ;
 724 /* }}} */
 725
 726 /* 11.1 Primary Expressions {{{ */
 727 Parenthetical
 728     : "(" LexPushInOff Expression ")" LexPopIn { $$ = $3; }
 729     ;
 730
 731 ParentheticalOpt
 732     : Parenthetical { $$ = $1; }
 733     | { $$ = NULL; }
 734     ;
 735
 736 Variable
 737     : Identifier { $$ = CYNew CYVariable($1); }
 738     ;
 739
 740 PrimaryExpression
 741     : "this" { $$ = $1; }
 742     | Variable { $$ = $1; }
 743     | Literal { $$ = $1; }
 744     | ArrayLiteral { $$ = $1; }
 745     | ObjectLiteral { $$ = $1; }
 746     | FunctionExpression { $$ = $1; }
 747     | Parenthetical { $$ = $1; }
 748     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
 749     ;
 750 /* }}} */
 751 /* 11.1.4.1 Array Initialiser {{{ */
 752 ArrayLiteral
 753     : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
 754     ;
 755
 756 Element
 757     : AssignmentExpression { $$ = $1; }
 758     ;
 759
 760 ElementOpt
 761     : Element { $$ = $1; }
 762     | LexSetRegExp { $$ = NULL; }
 763     ;
 764
 765 ElementList
 766     : ElementOpt "," ElementListOpt { $$ = CYNew CYElement($1, $3); }
 767     | Element { $$ = CYNew CYElement($1, NULL); }
 768     ;
 769
 770 ElementListOpt
 771     : ElementList { $$ = $1; }
 772     | LexSetRegExp { $$ = NULL; }
 773     ;
 774 /* }}} */
 775 /* 11.1.4.2 Array Comprehension {{{ */
 776 PrimaryExpression
 777     : "[" LexPushInOff AssignmentExpression ComprehensionForList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
 778     ;
 779
 780 ComprehensionForList
 781     : "for" Binding "in" Expression ComprehensionForListOpt { $$ = CYNew CYForInComprehension($2, $4, $5); }
 782     | "for" Binding "of" Expression ComprehensionForListOpt { $$ = CYNew CYForOfComprehension($2, $4, $5); }
 783     ;
 784
 785 ComprehensionForListOpt
 786     : ComprehensionForList { $$ = $1; }
 787     | "if" Expression { $$ = CYNew CYIfComprehension($2); }
 788     | { $$ = NULL; }
 789     ;
 790 /* }}} */
 791 /* 11.1.5 Object Initialiser {{{ */
 792 ObjectLiteral
 793     : BRACE LexPushInOff PropertyDefinitionListOpt "}" LexPopIn { $$ = CYNew CYObject($3); }
 794     ;
 795
 796 PropertyDefinitionList_
 797     : "," PropertyDefinitionList { $$ = $2; }
 798     | "," LexSetRegExp { $$ = NULL; }
 799     | { $$ = NULL; }
 800     ;
 801
 802 PropertyDefinitionList
 803     : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; }
 804     ;
 805
 806 PropertyDefinitionListOpt
 807     : PropertyDefinitionList { $$ = $1; }
 808     | LexSetRegExp { $$ = NULL; }
 809     ;
 810
 811 PropertyDefinition
 812     // XXX: this should be IdentifierName
 813     : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
 814     | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
 815     //| MethodDefinition
 816     ;
 817
 818 PropertyName_
 819     : IdentifierName { $$ = $1; }
 820     | StringLiteral { $$ = $1; }
 821     | NumericLiteral { $$ = $1; }
 822     ;
 823
 824 PropertyName
 825     : LexSetRegExp PropertyName_ { $$ = $2; }
 826     ;
 827 /* }}} */
 828
 829 /* 11.2 Left-Hand-Side Expressions {{{ */
 830 MemberAccess
 831     : "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYDirectMember(NULL, $3); }
 832     | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
 833     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
 834     ;
 835
 836 MemberExpression_
 837     : MemberExpression { $$ = $1; }
 838     //| "super" { $$ = $1; }
 839     ;
 840
 841 MemberExpression
 842     : LexSetRegExp PrimaryExpression { $$ = $2; }
 843     | MemberExpression_ { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 844     | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); }
 845     ;
 846
 847 NewExpression
 848     : MemberExpression { $$ = $1; }
 849     | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); }
 850     ;
 851
 852 CallExpression_
 853     : MemberExpression_
 854     | CallExpression
 855     ;
 856
 857 CallExpression
 858     : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); }
 859     | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
 860     ;
 861
 862 Arguments
 863     : "(" LexPushInOff ArgumentListOpt ")" LexPopIn { $$ = $3; }
 864     ;
 865
 866 ArgumentList_
 867     : "," ArgumentList { $$ = $2; }
 868     | { $$ = NULL; }
 869     ;
 870
 871 ArgumentList
 872     : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); }
 873     ;
 874
 875 ArgumentListOpt
 876     : ArgumentList { $$ = $1; }
 877     | LexSetRegExp { $$ = NULL; }
 878     ;
 879
 880 LeftHandSideExpression
 881     : NewExpression { $$ = $1; }
 882     | CallExpression { $$ = $1; }
 883     ;
 884 /* }}} */
 885 /* 11.3 Postfix Expressions {{{ */
 886 PostfixExpression
 887     : %prec "" LeftHandSideExpression { $$ = $1; }
 888     | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); }
 889     | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); }
 890     ;
 891 /* }}} */
 892 /* 11.4 Unary Operators {{{ */
 893 UnaryExpression_
 894     : "delete" UnaryExpression { $$ = CYNew CYDelete($2); }
 895     | "void" UnaryExpression { $$ = CYNew CYVoid($2); }
 896     | "typeof" UnaryExpression { $$ = CYNew CYTypeOf($2); }
 897     | "++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 898     | "\n++" UnaryExpression { $$ = CYNew CYPreIncrement($2); }
 899     | "--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 900     | "\n--" UnaryExpression { $$ = CYNew CYPreDecrement($2); }
 901     | "+" UnaryExpression { $$ = CYNew CYAffirm($2); }
 902     | "-" UnaryExpression { $$ = CYNew CYNegate($2); }
 903     | "~" UnaryExpression { $$ = CYNew CYBitwiseNot($2); }
 904     | "!" UnaryExpression { $$ = CYNew CYLogicalNot($2); }
 905     ;
 906
 907 UnaryExpression
 908     : PostfixExpression { $$ = $1; }
 909     | LexSetRegExp UnaryExpression_ { $$ = $2; }
 910     ;
 911 /* }}} */
 912 /* 11.5 Multiplicative Operators {{{ */
 913 MultiplicativeExpression
 914     : UnaryExpression { $$ = $1; }
 915     | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); }
 916     | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); }
 917     | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); }
 918     ;
 919 /* }}} */
 920 /* 11.6 Additive Operators {{{ */
 921 AdditiveExpression
 922     : MultiplicativeExpression { $$ = $1; }
 923     | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); }
 924     | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); }
 925     ;
 926 /* }}} */
 927 /* 11.7 Bitwise Shift Operators {{{ */
 928 ShiftExpression
 929     : AdditiveExpression { $$ = $1; }
 930     | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); }
 931     | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); }
 932     | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); }
 933     ;
 934 /* }}} */
 935 /* 11.8 Relational Operators {{{ */
 936 RelationalExpression
 937     : ShiftExpression { $$ = $1; }
 938     | RelationalExpression "<" ShiftExpression { $$ = CYNew CYLess($1, $3); }
 939     | RelationalExpression ">" ShiftExpression { $$ = CYNew CYGreater($1, $3); }
 940     | RelationalExpression "<=" ShiftExpression { $$ = CYNew CYLessOrEqual($1, $3); }
 941     | RelationalExpression ">=" ShiftExpression { $$ = CYNew CYGreaterOrEqual($1, $3); }
 942     | RelationalExpression "instanceof" ShiftExpression { $$ = CYNew CYInstanceOf($1, $3); }
 943     | RelationalExpression "in" ShiftExpression { $$ = CYNew CYIn($1, $3); }
 944     ;
 945 /* }}} */
 946 /* 11.9 Equality Operators {{{ */
 947 EqualityExpression
 948     : RelationalExpression { $$ = $1; }
 949     | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); }
 950     | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); }
 951     | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); }
 952     | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); }
 953     ;
 954 /* }}} */
 955 /* 11.10 Binary Bitwise Operators {{{ */
 956 BitwiseANDExpression
 957     : EqualityExpression { $$ = $1; }
 958     | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); }
 959     ;
 960
 961 BitwiseXORExpression
 962     : BitwiseANDExpression { $$ = $1; }
 963     | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); }
 964     ;
 965
 966 BitwiseORExpression
 967     : BitwiseXORExpression { $$ = $1; }
 968     | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); }
 969     ;
 970 /* }}} */
 971 /* 11.11 Binary Logical Operators {{{ */
 972 LogicalANDExpression
 973     : BitwiseORExpression { $$ = $1; }
 974     | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); }
 975     ;
 976
 977 LogicalORExpression
 978     : LogicalANDExpression { $$ = $1; }
 979     | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); }
 980     ;
 981 /* }}} */
 982 /* 11.12 Conditional Operator ( ? : ) {{{ */
 983 ConditionalExpression
 984     : LogicalORExpression { $$ = $1; }
 985     | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
 986     ;
 987 /* }}} */
 988 /* 11.13 Assignment Operators {{{ */
 989 AssignmentExpression
 990     : ConditionalExpression { $$ = $1; }
 991     | ArrowFunction { $$ = $1; }
 992     | LeftHandSideExpression "=" AssignmentExpression { $$ = CYNew CYAssign($1, $3); }
 993     | LeftHandSideExpression "*=" AssignmentExpression { $$ = CYNew CYMultiplyAssign($1, $3); }
 994     | LeftHandSideExpression "/=" AssignmentExpression { $$ = CYNew CYDivideAssign($1, $3); }
 995     | LeftHandSideExpression "%=" AssignmentExpression { $$ = CYNew CYModulusAssign($1, $3); }
 996     | LeftHandSideExpression "+=" AssignmentExpression { $$ = CYNew CYAddAssign($1, $3); }
 997     | LeftHandSideExpression "-=" AssignmentExpression { $$ = CYNew CYSubtractAssign($1, $3); }
 998     | LeftHandSideExpression "<<=" AssignmentExpression { $$ = CYNew CYShiftLeftAssign($1, $3); }
 999     | LeftHandSideExpression ">>=" AssignmentExpression { $$ = CYNew CYShiftRightSignedAssign($1, $3); }
1000     | LeftHandSideExpression ">>>=" AssignmentExpression { $$ = CYNew CYShiftRightUnsignedAssign($1, $3); }
1001     | LeftHandSideExpression "&=" AssignmentExpression { $$ = CYNew CYBitwiseAndAssign($1, $3); }
1002     | LeftHandSideExpression "^=" AssignmentExpression { $$ = CYNew CYBitwiseXOrAssign($1, $3); }
1003     | LeftHandSideExpression "|=" AssignmentExpression { $$ = CYNew CYBitwiseOrAssign($1, $3); }
1004     ;
1005 /* }}} */
1006 /* 11.14 Comma Operator {{{ */
1007 Expression_
1008     : "," Expression { $$ = $2; }
1009     | { $$ = CYNew CYCompound(); }
1010     ;
1011
1012 Expression
1013     : AssignmentExpression Expression_ { $2->AddPrev($1); $$ = $2; }
1014     ;
1015
1016 ExpressionOpt
1017     : Expression { $$ = $1; }
1018     | LexSetRegExp { $$ = NULL; }
1019     ;
1020 /* }}} */
1021
1022 /* 12 Statements {{{ */
1023 Statement__
1024     : Block { $$ = $1; }
1025     | VariableStatement { $$ = $1; }
1026     | EmptyStatement { $$ = $1; }
1027     | IfStatement { $$ = $1; }
1028     | BreakableStatement { $$ = $1; }
1029     | ContinueStatement { $$ = $1; }
1030     | BreakStatement { $$ = $1; }
1031     | ReturnStatement { $$ = $1; }
1032     | WithStatement { $$ = $1; }
1033     | LabelledStatement { $$ = $1; }
1034     | ThrowStatement { $$ = $1; }
1035     | TryStatement { $$ = $1; }
1036     | DebuggerStatement { $$ = $1; }
1037     ;
1038
1039 Statement_
1040     : LexSetRegExp Statement__ { $$ = $2; }
1041     | ExpressionStatement { $$ = $1; }
1042     ;
1043
1044 Statement
1045     : LexSetStatement Statement_ { $$ = $2; }
1046     ;
1047
1048 Declaration__
1049     : FunctionDeclaration { $$ = $1; }
1050     | LexicalDeclaration { $$ = $1; }
1051     ;
1052
1053 Declaration_
1054     : LexSetRegExp Declaration__ { $$ = $2; }
1055     ;
1056
1057 Declaration
1058     : LexSetStatement Declaration_ { $$ = $2; }
1059     ;
1060
1061 BreakableStatement
1062     : IterationStatement { $$ = $1; }
1063     | SwitchStatement { $$ = $1; }
1064     ;
1065 /* }}} */
1066 /* 12.1 Block {{{ */
1067 Block_
1068     : BRACE StatementListOpt "}" { $$ = $2; }
1069     ;
1070
1071 Block
1072     : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); }
1073     ;
1074
1075 StatementList
1076     : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; }
1077     ;
1078
1079 StatementListOpt
1080     : StatementList { $$ = $1; }
1081     | LexSetStatement LexSetRegExp { $$ = NULL; }
1082     ;
1083
1084 StatementListItem
1085     : Statement { $$ = $1; }
1086     | Declaration { $$ = $1; }
1087     ;
1088 /* }}} */
1089
1090 /* 12.2 Declarations {{{ */
1091 BindingIdentifier
1092     : Identifier { $$ = $1; }
1093     ;
1094
1095 Binding
1096     : BindingIdentifier
1097     ;
1098
1099 // XXX: BindingPattern
1100 /* }}} */
1101 /* 12.2.1 Let and Const Declarations {{{ */
1102 LexicalDeclaration
1103     : LetOrConst VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1104     ;
1105
1106 LetOrConst
1107     : "let"
1108     | "const"
1109     ;
1110 /* }}} */
1111 /* 12.2.2 Variable Statement {{{ */
1112 VariableStatement
1113     : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
1114     ;
1115
1116 VariableDeclarationList_
1117     : "," VariableDeclarationList { $$ = $2; }
1118     | { $$ = NULL; }
1119     ;
1120
1121 VariableDeclarationList
1122     : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); }
1123     ;
1124
1125 VariableDeclaration
1126     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1127     // XXX: | BindingPattern Initialiser { $$ = CYNew CYDeclaration($1, $2); }
1128     ;
1129
1130 Initialiser
1131     : "=" AssignmentExpression { $$ = $2; }
1132     ;
1133
1134 InitialiserOpt
1135     : Initialiser { $$ = $1; }
1136     | { $$ = NULL; }
1137     ;
1138 /* }}} */
1139 /* 12.2.4 Destructuring Binding Patterns {{{ */
1140 // XXX: *
1141
1142 BindingElement
1143     : SingleNameBinding { $$ = $1; }
1144     ;
1145
1146 SingleNameBinding
1147     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
1148     ;
1149 /* }}} */
1150
1151 /* 12.3 Empty Statement {{{ */
1152 EmptyStatement
1153     : ";" { $$ = CYNew CYEmpty(); }
1154     ;
1155 /* }}} */
1156 /* 12.4 Expression Statement {{{ */
1157 ExpressionStatement
1158     : Expression Terminator { $$ = CYNew CYExpress($1); }
1159     ;
1160 /* }}} */
1161 /* 12.5 The if Statement {{{ */
1162 ElseStatementOpt
1163     : "else" Statement { $$ = $2; }
1164     | %prec "if" { $$ = NULL; }
1165     ;
1166
1167 IfStatement
1168     : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); }
1169     ;
1170 /* }}} */
1171
1172 /* 12.6.1 The do-while Statement {{{ */
1173 IterationStatement
1174     : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); }
1175     ;
1176 /* }}} */
1177 /* 12.6.2 The while Statement {{{ */
1178 IterationStatement
1179     : "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); }
1180     ;
1181 /* }}} */
1182 /* 12.6.3 The for Statement {{{ */
1183 IterationStatement
1184     : "for" "(" LexPushInOn ForStatementInitialiser ";" LexPopIn ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
1185     ;
1186
1187 ForStatementInitialiser
1188     : ExpressionOpt { $$ = $1; }
1189     | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
1190     ;
1191 /* }}} */
1192 /* 12.6.4 The for-in and for-of Statements {{{ */
1193 IterationStatement
1194     : "for" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
1195     | "for" "(" LexPushInOn ForInStatementInitialiser "of" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
1196     ;
1197
1198 ForInStatementInitialiser
1199     : LeftHandSideExpression { $$ = $1; }
1200     | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
1201     ;
1202 /* }}} */
1203
1204 /* 12.7 The continue Statement {{{ */
1205 ContinueStatement
1206     : "continue" "\n" StrictSemi { $$ = CYNew CYContinue(NULL); }
1207     | "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); }
1208     ;
1209 /* }}} */
1210 /* 12.8 The break Statement {{{ */
1211 BreakStatement
1212     : "break" "\n" StrictSemi { $$ = CYNew CYBreak(NULL); }
1213     | "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); }
1214     ;
1215 /* }}} */
1216 /* 12.9 The return Statement {{{ */
1217 ReturnStatement
1218     : "return" LexSetRegExp "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
1219     | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
1220     ;
1221 /* }}} */
1222 /* 12.10 The with Statement {{{ */
1223 WithStatement
1224     : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); }
1225     ;
1226 /* }}} */
1227
1228 /* 12.11 The switch Statement {{{ */
1229 SwitchStatement
1230     : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); }
1231     ;
1232
1233 CaseBlock
1234     : BRACE CaseClausesOpt "}" { $$ = $2; }
1235     ;
1236
1237 CaseClause
1238     : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); }
1239     ;
1240
1241 CaseClausesOpt
1242     : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1243     | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; }
1244     | { $$ = NULL; }
1245     ;
1246
1247 DefaultClause
1248     : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); }
1249     ;
1250 /* }}} */
1251 /* 12.12 Labelled Statements {{{ */
1252 LabelledStatement
1253     : Identifier ":" Statement { $$ = CYNew CYLabel($1, $3); }
1254     ;
1255 /* }}} */
1256 /* 12.13 The throw Statement {{{ */
1257 ThrowStatement
1258     : "throw" LexSetRegExp "\n" StrictSemi { YYABORT; }
1259     | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
1260     ;
1261 /* }}} */
1262 /* 12.14 The try Statement {{{ */
1263 TryStatement
1264     : "try" Block_ CatchOpt FinallyOpt { $$ = CYNew cy::Syntax::Try($2, $3, $4); }
1265     ;
1266
1267 CatchOpt
1268     : "catch" "(" Identifier ")" Block_ { $$ = CYNew cy::Syntax::Catch($3, $5); }
1269     | { $$ = NULL; }
1270     ;
1271
1272 FinallyOpt
1273     : "finally" Block_ { $$ = CYNew CYFinally($2); }
1274     | { $$ = NULL; }
1275     ;
1276 /* }}} */
1277 /* 12.14 The debugger Statement {{{ */
1278 DebuggerStatement
1279     : "debugger" Terminator { $$ = CYNew CYDebugger(); }
1280     ;
1281 /* }}} */
1282
1283 /* 13.1 Function Definitions {{{ */
1284 FunctionDeclaration
1285     : ";function" Identifier "(" FormalParameterListOpt ")" BRACE FunctionBody "}" { $$ = CYNew CYFunctionStatement($2, $4, $7); }
1286     ;
1287
1288 FunctionExpression
1289     : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYFunctionExpression($2, $5, $10); }
1290     ;
1291
1292 FormalParameterList_
1293     : "," FormalParameterList { $$ = $2; }
1294     | { $$ = NULL; }
1295     ;
1296
1297 FormalParameterList
1298     // XXX: : FunctionRestParameter { $$ = $1; }
1299     : FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); }
1300     ;
1301
1302 FormalParameterListOpt
1303     : FormalParameterList
1304     | { $$ = NULL; }
1305     ;
1306
1307 /* XXX: FunctionRestParameter
1308     : "..." BindingIdentifier { $$ = CYNew CYFunctionRestParameter($2); }
1309     ;*/
1310
1311 FormalParameter
1312     : BindingElement { $$ = $1; }
1313     ;
1314
1315 FunctionBody
1316     : StatementListOpt { $$ = $1; }
1317     ;
1318 /* }}} */
1319 /* 13.2 Arrow Function Definitions {{{ */
1320 ArrowFunction
1321     : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
1322     ;
1323
1324 ArrowParameters
1325     : BindingIdentifier { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1)); }
1326     //| ParentheticalOpt { $$ = $1; }
1327     ;
1328
1329 ConciseBody
1330     : AssignmentExpression { $$ = CYNew CYReturn($1); }
1331     | LexSetRegExp ";{" LexPushInOff FunctionBody "}" LexPopIn { $$ = $4; }
1332     ;
1333 /* }}} */
1334 /* 14 Program {{{ */
1335 Program
1336     : ProgramBodyOpt { driver.program_ = CYNew CYProgram($1); }
1337     ;
1338
1339 ProgramBody
1340     : StatementList { $$ = $1; }
1341     ;
1342
1343 ProgramBodyOpt
1344     : ProgramBody { $$ = $1; }
1345     | LexSetStatement LexSetRegExp { $$ = NULL; }
1346     ;
1347 /* }}} */
1348
1349 @begin ObjectiveC
1350 /* Cycript (Objective-C): Type Encoding {{{ */
1351 SuffixedType
1352     : IdentifierOpt { $$ = CYNew CYTypedIdentifier($1); }
1353     | "(" LexPushInOff PrefixedType ")" LexPopIn { $$ = $3; }
1354     | SuffixedType "[" NumericLiteral "]" { CYSetLast($1->type_) = CYNew CYTypeArrayOf($3); $$ = $1; }
1355     ;
1356
1357 PrefixedType
1358     : SuffixedType { $$ = $1; }
1359     | "const" PrefixedType { CYSetLast($2->type_) = CYNew CYTypeConstant(); $$ = $2; }
1360     | "*" PrefixedType { CYSetLast($2->type_) = CYNew CYTypePointerTo(); $$ = $2; }
1361     ;
1362
1363 PrimitiveType
1364     : Variable { $$ = $1; }
1365     | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }
1366     ;
1367
1368 QualifiedType
1369     : PrimitiveType { $$ = CYNew CYTypeVariable($1); }
1370     | "const" QualifiedType { $$ = CYNew CYTypeConstant($2); }
1371     ;
1372
1373 ModifiedType
1374     : QualifiedType { $$ = $1; }
1375     | QualifiedType "*" { $$ = CYNew CYTypePointerTo($1); }
1376     | QualifiedType "const" { $$ = CYNew CYTypeConstant($1); }
1377     ;
1378
1379 TypedIdentifier
1380     : QualifiedType PrefixedType { CYSetLast($2->type_) = $1; $$ = $2;}
1381     ;
1382
1383 EncodedType
1384     : TypedIdentifier { $$ = CYNew CYEncodedType($1->type_); }
1385     ;
1386
1387 PrimaryExpression
1388     : AtEncode "(" EncodedType ")" { $$ = $3; }
1389     ;
1390 /* }}} */
1391 /* Cycript (Objective-C): @class Declaration {{{ */
1392 ClassSuperOpt
1393     /* XXX: why the hell did I choose MemberExpression? */
1394     : ":" LexSetRegExp MemberExpression { $$ = $3; }
1395     | { $$ = NULL; }
1396     ;
1397
1398 ClassFieldListOpt
1399     : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
1400     | LexSetRegExp { $$ = NULL; }
1401     ;
1402
1403 ClassFields
1404     : BRACE ClassFieldListOpt "}" { $$ = $2; }
1405     ;
1406
1407 MessageScope
1408     : "+" { $$ = false; }
1409     | "-" { $$ = true; }
1410     ;
1411
1412 TypeOpt
1413     : "(" LexSetRegExp EncodedType ")" { $$ = $3; }
1414     | { $$ = NULL; }
1415     ;
1416
1417 MessageParameter
1418     : Word ":" TypeOpt Identifier { $$ = CYNew CYMessageParameter($1, $3, $4); }
1419     ;
1420
1421 MessageParameterList
1422     : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
1423     ;
1424
1425 MessageParameterListOpt
1426     : MessageParameterList { $$ = $1; }
1427     | { $$ = NULL; }
1428     ;
1429
1430 MessageParameters
1431     : MessageParameterList { $$ = $1; }
1432     | Word { $$ = CYNew CYMessageParameter($1, NULL, NULL); }
1433     ;
1434
1435 ClassMessageDeclaration
1436     : MessageScope TypeOpt MessageParameters BRACE FunctionBody "}" { $$ = CYNew CYMessage($1, $2, $3, $5); }
1437     ;
1438
1439 ClassMessageDeclarationListOpt
1440     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
1441     | ClassMessageDeclarationListOpt Comment { $$ = $1; }
1442     | { $$ = NULL; }
1443     ;
1444
1445 ClassName
1446     : Identifier { $$ = $1; }
1447     | "(" AssignmentExpression ")" { $$ = $2; }
1448     ;
1449
1450 ClassNameOpt
1451     : ClassName { $$ = $1; }
1452     | { $$ = NULL; }
1453     ;
1454
1455 // XXX: this should be AssignmentExpressionNoRight
1456 ClassProtocols
1457     : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); }
1458     ;
1459
1460 ClassProtocolsOpt
1461     : "," ClassProtocols { $$ = $2; }
1462     | { $$ = NULL; }
1463     ;
1464
1465 ClassProtocolListOpt
1466     : "<" ClassProtocols ">" { $$ = $2; }
1467     | { $$ = NULL; }
1468     ;
1469
1470 ClassExpression
1471     : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" LexPopIn { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
1472     ;
1473
1474 ClassStatement
1475     : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
1476     ;
1477
1478 CategoryName
1479     : "(" WordOpt ")"
1480     ;
1481
1482 CategoryStatement
1483     : ";@implementation" ClassName CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); }
1484     ;
1485
1486 PrimaryExpression
1487     : ClassExpression { $$ = $1; }
1488     ;
1489
1490 Statement__
1491     : ClassStatement { $$ = $1; }
1492     | CategoryStatement { $$ = $1; }
1493     ;
1494 /* }}} */
1495 /* Cycript (Objective-C): Send Message {{{ */
1496 VariadicCall
1497     : "," AssignmentExpression VariadicCall { $$ = CYNew CYArgument(NULL, $2, $3); }
1498     | { $$ = NULL; }
1499     ;
1500
1501 SelectorWordOpt
1502     : WordOpt { driver.contexts_.back().words_.push_back($1); } { $$ = $1; }
1503     | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; }
1504     ;
1505
1506 SelectorCall_
1507     : SelectorCall { $$ = $1; }
1508     | VariadicCall { $$ = $1; }
1509     ;
1510
1511 SelectorCall
1512     : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYBlank(), $3, $4); }
1513     ;
1514
1515 SelectorList
1516     : SelectorCall { $$ = $1; }
1517     | Word { $$ = CYNew CYArgument($1, NULL); }
1518     ;
1519
1520 MessageExpression
1521     : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList "]" LexPopIn { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
1522     | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList "]" LexPopIn { $$ = CYNew CYSendSuper($6); }
1523     ;
1524
1525 SelectorExpression_
1526     : WordOpt ":" SelectorExpressionOpt { $$ = CYNew CYSelectorPart($1, true, $3); }
1527     ;
1528
1529 SelectorExpression
1530     : SelectorExpression_ { $$ = $1; }
1531     | Word { $$ = CYNew CYSelectorPart($1, false, NULL); }
1532     ;
1533
1534 SelectorExpressionOpt
1535     : SelectorExpression_ { $$ = $1; }
1536     | { $$ = NULL; }
1537     ;
1538
1539 PrimaryExpression
1540     : MessageExpression { $$ = $1; }
1541     | "@selector" "(" LexPushInOff SelectorExpression ")" LexPopIn { $$ = CYNew CYSelector($4); }
1542     ;
1543 /* }}} */
1544 /* Cycript (Objective-C): @import Directive {{{ */
1545 PathName
1546     : "/" PathName
1547     | "." PathName
1548     | Word PathName
1549     |
1550     ;
1551
1552 ImportPath
1553     : "<" PathName ">"
1554     | StringLiteral
1555     ;
1556
1557 StatementListItem
1558     : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
1559     ;
1560 /* }}} */
1561 /* Cycript (Objective-C): Boxed Expressions {{{ */
1562 BoxableExpression
1563     : NullLiteral { $$ = $1; }
1564     | BooleanLiteral { $$ = $1; }
1565     | NumericLiteral { $$ = $1; }
1566     | StringLiteral { $$ = $1; }
1567     | ArrayLiteral { $$ = $1; }
1568     | ObjectLiteral { $$ = $1; }
1569     | Parenthetical { $$ = $1; }
1570     ;
1571
1572 PrimaryExpression
1573     : "@" BoxableExpression { $$ = CYNew CYBox($2); }
1574     ;
1575 /* }}} */
1576 /* Cycript (Objective-C): Block Expressions {{{ */
1577 TypedParameterList_
1578     : "," TypedParameterList { $$ = $2; }
1579     | { $$ = NULL; }
1580     ;
1581
1582 TypedParameterList
1583     : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); }
1584     ;
1585
1586 TypedParameterListOpt
1587     : TypedParameterList { $$ = $1; }
1588     | { $$ = NULL; }
1589     ;
1590
1591 PrimaryExpression
1592     : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYObjCBlock($2, $5, $10); }
1593     ;
1594 /* }}} */
1595 @end
1596
1597 @begin C
1598 /* Cycript (C): Pointer Indirection/Addressing {{{ */
1599 LeftHandSideExpression
1600     : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); }
1601     ;
1602
1603 UnaryExpression_
1604     : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); }
1605     ;
1606
1607 MemberAccess
1608     : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); }
1609     | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); }
1610     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
1611     ;
1612 /* }}} */
1613 /* Cycript (C): auto Compatibility {{{ */
1614 Var_
1615     : "auto"
1616     ;
1617 /* }}} */
1618 @end
1619
1620 /* YUI: Documentation Comments {{{ */
1621 Statement__
1622     : Comment { $$ = $1; }
1623     ;
1624 /* }}} */
1625
1626 @begin E4X
1627 /* Lexer State {{{ */
1628 LexPushRegExp
1629     : { driver.PushCondition(CYDriver::RegExpCondition); }
1630     ;
1631
1632 LexPushXMLContent
1633     : { driver.PushCondition(CYDriver::XMLContentCondition); }
1634     ;
1635
1636 LexPushXMLTag
1637     : { driver.PushCondition(CYDriver::XMLTagCondition); }
1638     ;
1639
1640 LexPop
1641     : { driver.PopCondition(); }
1642     ;
1643
1644 LexSetXMLContent
1645     : { driver.SetCondition(CYDriver::XMLContentCondition); }
1646     ;
1647
1648 LexSetXMLTag
1649     : { driver.SetCondition(CYDriver::XMLTagCondition); }
1650     ;
1651 /* }}} */
1652 /* Virtual Tokens {{{ */
1653 XMLWhitespaceOpt
1654     : XMLWhitespace
1655     |
1656     ;
1657 /* }}} */
1658
1659 /* 8.1 Context Keywords {{{ */
1660 Identifier
1661     : "namespace" { $$ = $1; }
1662     | "xml" { $$ = $1; }
1663     ;
1664 /* }}} */
1665 /* 8.3 XML Initialiser Input Elements {{{ */
1666 XMLMarkup
1667     : XMLComment { $$ = $1; }
1668     | XMLCDATA { $$ = $1; }
1669     | XMLPI { $$ = $1; }
1670     ;
1671 /* }}} */
1672
1673 /* 11.1 Primary Expressions {{{ */
1674 PrimaryExpression
1675     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
1676     | XMLInitialiser { $$ = $1; }
1677     | XMLListInitialiser { $$ = $1; }
1678     ;
1679
1680 PropertyIdentifier
1681     : AttributeIdentifier { $$ = $1; }
1682     | QualifiedIdentifier { $$ = $1; }
1683     | WildcardIdentifier { $$ = $1; }
1684     ;
1685 /* }}} */
1686 /* 11.1.1 Attribute Identifiers {{{ */
1687 AttributeIdentifier
1688     : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
1689     ;
1690
1691 PropertySelector_
1692     : PropertySelector { $$ = $1; }
1693     | "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYSelector($3); }
1694     ;
1695
1696 PropertySelector
1697     : Identifier { $$ = CYNew CYSelector($1); }
1698     | WildcardIdentifier { $$ = $1; }
1699     ;
1700 /* }}} */
1701 /* 11.1.2 Qualified Identifiers {{{ */
1702 QualifiedIdentifier_
1703     : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
1704     | QualifiedIdentifier { $$ = $1; }
1705     ;
1706
1707 QualifiedIdentifier
1708     : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
1709     ;
1710 /* }}} */
1711 /* 11.1.3 Wildcard Identifiers {{{ */
1712 WildcardIdentifier
1713     : "*" { $$ = CYNew CYWildcard(); }
1714     ;
1715 /* }}} */
1716 /* 11.1.4 XML Initialiser {{{ */
1717 XMLInitialiser
1718     : XMLMarkup { $$ = $1; }
1719     | XMLElement { $$ = $1; }
1720     ;
1721
1722 XMLElement
1723     : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
1724     | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
1725     ;
1726
1727 XMLTagContent
1728     : LexPushXMLTag XMLTagName XMLAttributes
1729     ;
1730
1731 XMLExpression
1732     : BRACE LexPushRegExp Expression LexPop "}"
1733     ;
1734
1735 XMLTagName
1736     : XMLExpression
1737     | XMLName
1738     ;
1739
1740 XMLAttributes_
1741     : XMLAttributes_ XMLAttribute
1742     |
1743     ;
1744
1745 XMLAttributes
1746     : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt
1747     | XMLAttributes_ XMLWhitespaceOpt
1748     ;
1749
1750 XMLAttributeValue_
1751     : XMLExpression
1752     | XMLAttributeValue
1753     ;
1754
1755 XMLAttribute
1756     : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_
1757     ;
1758
1759 XMLElementContent
1760     : XMLExpression XMLElementContentOpt
1761     | XMLMarkup XMLElementContentOpt
1762     | XMLText XMLElementContentOpt
1763     | XMLElement XMLElementContentOpt
1764     ;
1765
1766 XMLElementContentOpt
1767     : XMLElementContent
1768     |
1769     ;
1770 /* }}} */
1771 /* 11.1.5 XMLList Initialiser {{{ */
1772 XMLListInitialiser
1773     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
1774     ;
1775 /* }}} */
1776
1777 /* 11.2 Left-Hand-Side Expressions {{{ */
1778 PropertyIdentifier_
1779     : Identifier { $$ = $1; }
1780     | PropertyIdentifier { $$ = $1; }
1781     ;
1782
1783 MemberAccess
1784     : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); }
1785     | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); }
1786     | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); }
1787     ;
1788 /* }}} */
1789 /* 12.1 The default xml namespace Statement {{{ */
1790 /* XXX: DefaultXMLNamespaceStatement
1791     : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
1792     ;
1793
1794 Statement__
1795     : DefaultXMLNamespaceStatement { $$ = $1; }
1796     ; */
1797 /* }}} */
1798 @end
1799
1800 /* JavaScript 1.7: Array Comprehensions {{{ */
1801 IfComprehension
1802     : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }
1803     ;
1804
1805 ForComprehension
1806     : "for" "(" Identifier "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
1807     | "for" "each" "(" Identifier "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
1808     ;
1809
1810 ComprehensionList
1811     : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
1812     ;
1813
1814 ComprehensionListOpt
1815     : ComprehensionList { $$ = $1; }
1816     | IfComprehension { $$ = $1; }
1817     | { $$ = NULL; }
1818     ;
1819
1820 PrimaryExpression
1821     : "[" LexPushInOff AssignmentExpression ComprehensionList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
1822     ;
1823 /* }}} */
1824 /* JavaScript 1.7: for each {{{ */
1825 IterationStatement
1826     : "for" "each" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
1827     ;
1828 /* }}} */
1829 /* JavaScript 1.7: let Statements {{{ */
1830 LetStatement
1831     : "let" "(" VariableDeclarationList ")" Statement { $$ = CYNew CYLetStatement($3, $5); }
1832     ;
1833
1834 Statement__
1835     : LetStatement
1836     ;
1837 /* }}} */
1838
1839 /* JavaScript FTW: Ruby Blocks {{{ */
1840 RubyProcParameterList_
1841     : "," RubyProcParameterList { $$ = $2; }
1842     | { $$ = NULL; }
1843     ;
1844
1845 RubyProcParameterList
1846     : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); }
1847     | { $$ = NULL; }
1848     ;
1849
1850 RubyProcParameters
1851     : "|" RubyProcParameterList "|" { $$ = $2; }
1852     | "||" { $$ = NULL; }
1853     ;
1854
1855 RubyProcParametersOpt
1856     : RubyProcParameters
1857     | { $$ = NULL; }
1858     ;
1859
1860 RubyProcExpression
1861     : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
1862     ;
1863
1864 PrimaryExpression
1865     : "{" LexPushInOff RubyProcParameters StatementListOpt "}" LexPopIn { $$ = CYNew CYRubyProc($3, $4); }
1866     ;
1867
1868 CallExpression
1869     : CallExpression_ RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }
1870     ;
1871 /* }}} */
1872
1873 %%