rjs/ecma262.rpa

   1 #!emitall
   2 #!emitnone
   3 #!emit BitwiseANDOp
   4 #!emit BitwiseXOROp
   5 #!emit BitwiseOROp
   6 #!emit AdditiveExpressionOp
   7 #!emit MultiplicativeExpressionOp
   8 #!emit ShiftExpressionOp
   9 #!emit EqualityExpressionOp
  10 #!emit RelationalExpressionOp
  11 #!emit LogicalOROp
  12 #!emit LogicalANDOp
  13
  14 #!emit AssignmentOperator
  15 #!emit EqualityOperator
  16 #!emit RelationalOperator
  17 #!emit AdditiveOperator
  18 #!emit MultiplicativeOperator
  19 #!emit ShiftOperator
  20 #!emit BitwiseANDOperator
  21 #!emit BitwiseXOROperator
  22 #!emit BitwiseOROperator
  23 #!emit LogicalANDOperator
  24 #!emit LogicalOROperator
  25 #!emit LogicalNotOperator
  26 #!emit BitwiseNotOperator
  27 #!emit UnaryOperator
  28
  29 #!emit PrefixOperator
  30 #!emit PostfixOperator
  31 #!emit PostfixExpressionOp
  32 #!emit PrefixExpressionOp
  33
  34 #!emit UnaryExpressionOp
  35 #!emit LogicalNotExpressionOp
  36 #!emit BitwiseNotExpressionOp
  37
  38 #!emit DecimalIntegerLiteral
  39 #!emit DecimalNonIntegerLiteral
  40 #!emit BlockBegin
  41 #!emit BlockEnd
  42
  43 #!emit DoKeyword
  44 #!emit IterationDo
  45
  46 #!emit sqstring
  47 #!emit dqstring
  48 #!emit DoubleStringCharacters
  49 #!emit SingleStringCharacters
  50 #!emit Program
  51 #!emit Initialiser
  52 #!emit AssignmentExpressionOp
  53 #!emit AssignmentExpression
  54 #!emit LeftHandSideExpression
  55 #!emit LeftHandSideExpressionAddr
  56 #!emit Expression
  57 #!emit MemberExpressionIndexOp
  58 #emit MemberExpression
  59 #emit NewExpression
  60 #!emit MemberExpressionDotOp
  61 #!emit IdentifierName
  62 #!emit Identifier
  63 #!emit CallExpression
  64 #!emit VariableAllocate
  65 #!emit VariableAllocateAndInit
  66 #!emit NewArrayExpression
  67
  68
  69 #!uid Program                                           UID_PROGRAM                                             1
  70 #!uid PostfixExpressionValOp            UID_POSTFIXEXPRESSIONVALOP                      2
  71 #!uid Expression                                        UID_EXPRESSION                                          3
  72 #!uid LeftHandSideExpression            UID_LEFTHANDSIDEEXPRESSION                      4
  73 #!uid LeftHandSideExpressionAddr        UID_LEFTHANDSIDEEXPRESSIONADDR          5
  74 #!uid DecimalIntegerLiteral                     UID_DECIMALINTEGERLITERAL                       6
  75 #!uid DecimalNonIntegerLiteral          UID_DECIMALNONINTEGERLITERAL            7
  76 #!uid AdditiveExpressionOp                      UID_ADDITIVEEXPRESSIONOP                        8
  77 #!uid MultiplicativeExpressionOp        UID_MULTIPLICATIVEEXPRESSIONOP          9
  78 #!uid BitwiseANDOp                                      UID_BITWISEANDOP                                        10
  79 #!uid BitwiseXOROp                                      UID_BITWISEXOROP                                        11
  80 #!uid BitwiseOROp                                       UID_BITWISEOROP                                         12
  81 #!uid ShiftExpressionOp                         UID_SHIFTEXPRESSIONOP                           13
  82 #!uid EqualityExpressionOp                      UID_EQUALITYEXPRESSIONOP                        14
  83 #!uid RelationalExpressionOp            UID_RELATIONALEXPRESSIONOP                      15
  84 #!uid LogicalOROp                                       UID_LOGICALOROP                                         16
  85 #!uid LogicalANDOp                                      UID_LOGICALANDOP                                        17
  86 #!uid VariableAllocate                          UID_VARIABLEALLOCATE                            18
  87 #!uid VariableAllocateAndInit           UID_VARIABLEALLOCATEANDINIT                     19
  88 #!uid IdentifierName                            UID_IDENTIFIERNAME                                      20
  89 #!uid Identifier                                        UID_IDENTIFIER                                          21
  90 #!uid Initialiser                                       UID_INITIALISER                                         22
  91 #!uid AssignmentExpressionOp            UID_ASSIGNMENTEXPRESSIONOP                      23
  92 #!uid NewArrayExpression                        UID_NEWARRAYEXPRESSION                          24
  93 #!uid MemberExpressionDotOp                     UID_MEMBEREXPRESSIONDOTOP                       25
  94 #!uid MemberExpressionIndexOp           UID_MEMBEREXPRESSIONINDEXOP                     26
  95
  96
  97 # 6 Source Text
  98 SourceCharacter                 ::= .
  99
 100 # 7.2 White space
 101 WhiteSpace                              ::= [#0x0009] | [#0x000B] | [#0x000C] | [#0x0020] | [#0x00A0] | [#0xFEFF]
 102
 103 # 7.3 Line Terminators
 104 LineTerminator                  ::= [#0x000D] [#0x000A] | ([#0x000A] | [#0x000D] | [#0x2028] | [#0x2029])
 105 LineTerminatorSequence  ::= [#0x000D] [#0x000A] | [#0x000A] | [#0x000D] | [#0x2028] | [#0x2029]
 106 S                                               ::= ( <WhiteSpace> | <LineTerminator> )+
 107 SC                                              ::= <S>? ';' <S>?
 108 COMMA                                   ::= <S>? ',' <S>?
 109 EQ                                              ::= <S>? '=' <S>?
 110
 111 # 7.4 Comments
 112 Comment                                 ::= <MultiLineComment> | <SingleLineComment>
 113 MultiLineComment                ::= '/*' <MultiLineCommentChar>* '*/'
 114 MultiLineCommentChar    ::= . - '*/'
 115 SingleLineComment               ::= '#' <SingleLineCommentChar>*
 116 SingleLineCommentChar   ::= <SourceCharacter> - <LineTerminator>
 117
 118 # 7.5 Tokens
 119 Token                                   ::= <IdentifierName> |
 120                                                 <NumericLiteral> |
 121                                                 <StringLiteral>
 122
 123 # 7.6 Identifier Names and Identifiers
 124
 125 Identifier                              ::= <IdentifierNameNoEmit> - (<ReservedWord> - <ReservedWord> <IdentifierPart>)
 126 IdentifierNoEmit                ::= <IdentifierNameNoEmit> - (<ReservedWord> - <ReservedWord> <IdentifierPart>)
 127 IdentifierName                  ::= <IdentifierStart> <IdentifierPart>*
 128 IdentifierNameNoEmit    ::= <IdentifierStart> <IdentifierPart>*
 129 IdentifierStart                 ::= <UnicodeLetter> | '$' | '_' | '\' <UnicodeLetter>
 130 UnicodeLetter                   ::= [#0x0041-#0x005A] | [#0x00C0-#0x00DE] | [#0x0100-#0x0232] | [#0x0061-#0x007A] | [#0x00C0-#0x00DE]       # <Lu> | <Ll>
 131
 132 Lu                                              ::= [#0x0041-#0x005A] | [#0x00C0-#0x00DE] | [#0x0100-#0x0232]   # TBD
 133 Ll                                              ::= [#0x0061-#0x007A] | [#0x00C0-#0x00DE]                                               # TBD
 134 IdentifierPart                  ::= <IdentifierStart> |
 135                                                 <UnicodeDigit>
 136 UnicodeDigit                    ::= [0-9] | [#0x0660-#0x0669]                                   # TBD
 137
 138 ReservedWord                    ::= <NullLiteral> |
 139                                                         <BooleanLiteral> |
 140                                                         <Keyword> |
 141                                                         <FutureReservedWord>
 142
 143 Keyword                                 ::= 'instanceof' | 'typeof'     | 'break' |
 144                                                 'do' | 'new' | 'var' |
 145                                                 'case' | 'else' | 'return' | 'void' |
 146                                                 'catch' | 'finally' | 'continue' | 'for' |
 147                                                 'switch' | 'while' | 'this' | 'with' |
 148                                                 'debugger' | 'function' | 'throw' | 'default' |
 149                                                 'if' | 'try' | 'delete' | 'in'
 150
 151 FutureReservedWord                      ::= 'class' | 'enum' | 'extends' | 'import' | 'const' | 'export' |
 152                                                         'implements' | 'let' | 'private' | 'public' |
 153                                 'static' | 'interface' | 'package' | 'protected'
 154
 155 NullLiteral                                     ::= 'null'
 156 BooleanLiteral                          ::= 'true' | 'false'
 157 Literal                                         ::= <NullLiteral> |
 158                                                         <BooleanLiteral> |
 159                                                         <NumericLiteral> |
 160                                                         <StringLiteral>
 161
 162 LiteralOp                                       ::= <Literal>
 163
 164 # 7.8.3 Numeric Literals
 165
 166 NumericLiteral                                  ::= <HexIntegerLiteral> | <DecimalNonIntegerLiteral> | <DecimalIntegerLiteral>
 167 DecimalNonIntegerLiteral                ::= ('0' | <NonZeroDigit> <DecimalDigits>?) '.' <DecimalDigits>? <ExponentPart>? |
 168                                                                 '.' <DecimalDigits> <ExponentPart>?
 169 DecimalIntegerLiteral                   ::= '0' | <NonZeroDigit> <DecimalDigits>? <ExponentPart>?
 170 DecimalDigits                                   ::= <DecimalDigit>+
 171 DecimalDigit                                    ::= [0-9]
 172 NonZeroDigit                                    ::= [1-9]
 173 ExponentPart                                    ::= <ExponentIndicator> <SignedInteger>
 174 ExponentIndicator                               ::= [eE]
 175 SignedInteger                                   ::= '-' <DecimalDigits> |
 176                                                                 '+' <DecimalDigits> |
 177                                                                 <DecimalDigits>
 178 HexIntegerLiteral                               ::= '0' [xX] <HexDigit>+
 179 HexDigit                                                ::= [0-9a-fA-F]
 180
 181 # 7.8.4 String Literals
 182 StringLiteral                                   ::= '"' <DoubleStringCharacters>? '"' |
 183                                                                 "'" <SingleStringCharacters>? "'"
 184
 185 DoubleStringCharacters                  ::= <DoubleStringCharacter>+
 186 SingleStringCharacters                  ::= <SingleStringCharacter>+
 187
 188 DoubleStringCharacter                   ::= <SourceCharacter> - ('"' | '\\' | <LineTerminator>)
 189
 190 SingleStringCharacter                   ::= <SourceCharacter> - ("'" | '\\' | <LineTerminator>)
 191 This                                                    ::= 'this'
 192
 193 PrimaryExpression                               ::= <This> |
 194                                                                 '(' <S>? <Expression> <S>? ')' |
 195                                                                 <Literal> |
 196                                                                 <Identifier>
 197
 198
 199
 200
 201 ArrayLiteral                                    ::= '[' <S>? <Elision>? <S>? ']' |
 202                                                                 '[' <S>? <ElementList> <S>? ']' |
 203                                                                 '[' <S>? <ElementList> <S>? ',' <S>? <Elision> <S>? ']'
 204 ElementList                                             ::= <Elision>? <S>? <AssignmentExpression> (<S>? ',' <S>? <Elision>? <S>? <AssignmentExpression> )*
 205 Elision                                                 ::= ',' <S>? <Elision> | <S>? ','
 206
 207
 208 # 11.2 Left-Hand-Side Expressions
 209 LSB                                                             ::= <S>? '[' <S>?
 210 RSB                                                             ::= <S>? ']' <S>?
 211 MemberExpressionBase                    ::= <MemberExpression>
 212 MemberExpressionIndexOp                 ::= <MemberExpressionBase> <LSB> <Expression> <RSB>
 213 MemberExpressionDotOp                   ::= <MemberExpressionBase> '.' <IdentifierName>
 214
 215 MemberExpression                                ::= <MemberExpressionIndexOp>  |
 216                                                                         <MemberExpressionDotOp> |
 217                                                                         <FunctionExpression> |
 218                                                                         <PrimaryExpression>
 219
 220
 221 NewKeyword                                              ::= 'new' - 'new' <IdentifierPart>
 222 NewArrayExpression                              ::= <S>? 'new' <S> ( 'Array' | 'Object') <S>? <Arguments>?
 223 NewExpression                                   ::= <NewArrayExpression> |
 224                                                                         <NewKeyword> <S>? <NewExpression> |
 225                                                                         <MemberExpression>
 226
 227
 228 CallExpression                                  ::= <CallExpression> <Arguments> |
 229                                                                         <CallExpression> <S>? '[' <S>? Expression <S>? ']' |
 230                                                                         <CallExpression> '.' <IdentifierName> |
 231                                                                         <MemberExpression> <S>? <Arguments>
 232
 233 Arguments                                               ::= '(' <S>? ')' |
 234                                                                 '(' <S>? <ArgumentList> <S>? ')'
 235 ArgumentList                                    ::= <ArgumentList> <S>? ',' <S>? <AssignmentExpression> |
 236                                                                         <AssignmentExpression>
 237 LeftHandSideExpression                  ::= <CallExpression> | <NewExpression>
 238 LeftHandSideExpressionAddr              ::= <CallExpression> | <NewExpression>
 239
 240
 241 # 11.3 Postfix Expressions
 242 # RULE: LeftHandSideExpression always ends up in R0 (Let see if this would work)
 243 PostfixOperator                                 ::= '++' | '--'
 244 PostfixExpressionOp                     ::= <LeftHandSideExpression> <PostfixOperator>
 245 PostfixExpression                               ::= <PostfixExpressionOp> | <LeftHandSideExpression>
 246
 247 PrefixOperator                                  ::= '++' | '--'
 248 PrefixExpression                                ::= <PrefixOperator> <LeftHandSideExpression>
 249
 250 # 11.4 Unary Operators
 251 UnaryOperator                                   ::= '~' | '!' | ('+' - '++') | ('-' - '--') | 'delete' | 'void' | 'typeof'
 252 UnaryExpressionOp                       ::=     <S>? <UnaryOperator> <S>? <UnaryExpression>
 253 UnaryExpression                         ::=     <UnaryExpressionOp> | <PrefixExpression> | <PostfixExpression>
 254
 255
 256 # 11.5 Multiplicative Operators
 257 MultiplicativeOperator                  ::= '*' | '/' | '%'
 258 MultiplicativeExpressionOp              ::= <MultiplicativeExpression> <S>? <MultiplicativeOperator> <S>? <UnaryExpression>
 259 MultiplicativeExpression                ::= <MultiplicativeExpressionOp> |
 260                                                                         <UnaryExpression>
 261
 262 # 11.6 Additive Operators
 263 AdditiveOperator                                ::= '+' | '-'
 264 AdditiveExpressionOp                    ::= <AdditiveExpression> <S>? <AdditiveOperator> <S>? <MultiplicativeExpression>
 265 AdditiveExpression                              ::= <AdditiveExpressionOp> |
 266                                                                         <MultiplicativeExpression>
 267
 268
 269 11.7 Bitwise Shift Operators
 270 ShiftOperator                                   ::= '>>>' | '<<' | '>>'
 271 ShiftExpressionOp                               ::= <ShiftExpression> <S>? <ShiftOperator> <S>? <AdditiveExpression>
 272 ShiftExpression                                 ::= <ShiftExpressionOp> |
 273                                                                 <AdditiveExpression>
 274
 275
 276 # 11.8 Relational Operators
 277 RelationalOperator                              ::= '<=' | '>=' | '<' | '>' | 'instanceof'
 278 RelationalExpressionOp                  ::= <RelationalExpression> <S>? <RelationalOperator> <S>? <ShiftExpression>
 279 RelationalExpression                    ::= <RelationalExpressionOp> |
 280                                                                 <ShiftExpression>
 281
 282 # 11.9 Equality Operators
 283 EqualityOperator                                ::= '===' | '==' | '!==' | '!='
 284 EqualityExpressionOp                    ::= <EqualityExpression> <S>? <EqualityOperator> <S>? <RelationalExpression>
 285 EqualityExpression                              ::= <EqualityExpressionOp> |
 286                                                                 <RelationalExpression>
 287
 288 BitwiseANDOperator                              ::= '&' - '&&'
 289 BitwiseANDOp                                    ::= <BitwiseANDExpression> <S>? <BitwiseANDOperator> <S>? <EqualityExpression>
 290 BitwiseANDExpression                    ::= <BitwiseANDOp> |
 291                                                                 <EqualityExpression>
 292
 293 BitwiseXOROperator                              ::= '^'
 294 BitwiseXOROp                                    ::= <BitwiseXORExpression> <S>? <BitwiseXOROperator> <S>? <BitwiseANDExpression>
 295 BitwiseXORExpression                    ::= <BitwiseXOROp> |
 296                                                                 <BitwiseANDExpression>
 297
 298 BitwiseOROperator                               ::= '|' - '||'
 299 BitwiseOROp                                             ::= <BitwiseORExpression> <S>? <BitwiseOROperator> <S>? <BitwiseXORExpression>
 300 BitwiseORExpression                     ::= <BitwiseOROp> |
 301                                                                 <BitwiseXORExpression>
 302
 303 # 11.11 Binary Logical Operators
 304 LogicalANDOperator                              ::= '&&'
 305 LogicalANDOp                                    ::= <LogicalANDExpression> <S>? <LogicalANDOperator>  <S>? <BitwiseORExpression>
 306 LogicalANDExpression                    ::= <LogicalANDOp> |
 307                                                                 <BitwiseORExpression>
 308
 309 LogicalOROperator                               ::= '||'
 310 LogicalOROp                                             ::= <LogicalORExpression> <S>? <LogicalOROperator> <S>? <LogicalANDExpression>
 311 LogicalORExpression                     ::= <LogicalOROp> |
 312                                                                 <LogicalANDExpression>
 313
 314
 315 # 11.12 Conditional Operator ( ? : )
 316 ConditionalExpression                   ::= <LogicalORExpression> ( <S>? '?' <S>? <AssignmentExpression> <S>? ':' <S>? <AssignmentExpression> )?
 317
 318 # 11.13 Assignment Operators
 319 AssignmentExpressionOp                  ::= <LeftHandSideExpressionAddr> <S>? <AssignmentOperator> <S>? <AssignmentExpression>
 320 AssignmentExpression                    ::= <AssignmentExpressionOp> | <ConditionalExpression>
 321 AssignmentOperator                              ::= '=' | '*=' | '/=' | '%=' | '+=' | '-=' | '<<=' | '>>=' | '>>>=' | '&=' | '^=' | '|='
 322
 323
 324 # 11.14 Comma Operator  ( , )
 325 Expression                                      ::= <AssignmentExpression> ( <S>? ',' <S>? <AssignmentExpression> )*
 326
 327
 328 # 12 Statements
 329 Statement                                               ::= <FunctionDefinitionStatement> |
 330                                                                 <ExpressionStatement> |
 331                                                                         <ContinueStatement> |
 332                                                                         <Block> |
 333                                                                 <Comment> |
 334                                                                 <VariableStatement> |
 335                                                                 <EmptyStatement> |
 336                                                                 <IfStatement> |
 337                                                                 <IterationStatement> |
 338                                                                 <ContinueStatement> |
 339                                                                 <BreakStatement> |
 340                                                                 <ReturnStatement> |
 341                                                                 <WithStatement> |
 342                                                                 <SwitchStatementOp>
 343
 344 # 12.1 Block
 345 BlockBegin                                                      ::= <S>? '{' <S>?
 346 BlockEnd                                                        ::= <S>? '}' <S>?
 347 Block                                                           ::= <BlockBegin> <StatementList>? <BlockEnd>
 348 StatementList                                           ::= (<S>? <Statement>)+
 349
 350 # 12.2 Variable Statement
 351 VariableStatement                                       ::= 'var' <S>? <VariableDeclarationList> <SC>
 352 VariableDeclarationList                         ::= <VariableDeclaration> (<COMMA> <VariableDeclaration> )*
 353 VariableAllocate                                        ::= <IdentifierNoEmit>
 354 VariableAllocateAndInit                         ::= <IdentifierNoEmit>
 355 VariableDeclaration                                     ::= <VariableAllocateAndInit> <Initialiser> | <VariableAllocate>
 356 Initialiser                                                     ::= <EQ> <AssignmentExpression>
 357
 358
 359 # 12.3 Empty Statement
 360 EmptyStatement                                          ::= <SC>
 361
 362 # 12.4 Expression Statement
 363 ExpressionStatement                             ::= (<Expression> - ('function' | '{')) <SC>
 364
 365
 366 # 12.5 The if Statement
 367
 368 ElseOp                                                          ::= 'else'
 369 IfConditionOp                                           ::= 'if' <S>? '(' <S>? <Expression> <S>? ')'
 370 IfOp                                                            ::= <IfConditionOp> <S>? <Statement>
 371 IfElseOp                                                        ::= <IfConditionOp> <S>? <Statement> <S>? <ElseOp> <S>? <Statement>
 372
 373 IfStatement                                                     ::= <IfElseOp> |
 374                                                                                 <IfOp>
 375
 376 # 12.6 Iteration Statements
 377 # 12.6a Iteration do ... while()
 378 WhileKeyword                                            ::= 'while'
 379 WhileExpression                                         ::= <WhileKeyword> <S>? '(' <S>? <Expression> <S>? ')'
 380 DoKeyword                                                       ::= 'do'
 381 IterationDo                                                     ::= <DoKeyword> <S>? <Statement> <S>? <WhileExpression> (<S>? ';')
 382
 383 # 12.6b Iteration while()
 384 WhileConditionOp                                        ::= 'while' <S>? '(' <S>? <Expression> <S>? ')'
 385 IterationWhileOp                                        ::= <WhileConditionOp> <S>? <Statement>
 386
 387 # 12.6c Iteration for ( ; ; )
 388 ForKeyword                                                      ::= 'for'
 389 ExpressionNoIn                                          ::= <Expression>
 390 ForExpressionInitOp                                     ::= ('var' <S>? <VariableDeclarationList>) | <ExpressionNoIn>
 391 ForExpressionCompareOp                          ::= <Expression>
 392 ForExpressionIncrementOp                        ::= <Expression>
 393
 394 # The following & expression is done in order to swap the places of the code generated for the comparison and increment.
 395 # This is done by selectively turning on/off callbacks in both statement so that the final result appears as if the
 396 # <ForExpressionCompareOp> <ForExpressionIncrementOp> appear in the opposite order.
 397 ForIterationStatementOp                         ::= <ForKeyword> <S>? '(' <S>? <ForExpressionInitOp>? <S>? ';' <S>? <ForExpressionCompareOp>? <S>? ';' <S>? <ForExpressionIncrementOp>? <S>? ')'
 398 IterationForOp                                          ::= <ForIterationStatementOp> <S>? <Statement>
 399
 400
 401 IterationStatement                                      ::= <IterationWhileOp> |
 402                                                                                 <IterationForOp> |
 403                                                                         <IterationDo>
 404
 405 # 12.9 The return Statement
 406 ReturnOp                                                        ::= ('return' - 'return' <IdentifierPart>) <WhiteSpace>* <AssignmentExpression>? (<S>? ';')
 407 ReturnStatement                                         ::= <ReturnOp>
 408
 409 # The Break Statement
 410 BreakOp                                                         ::= 'break' - 'break' <IdentifierPart>
 411 BreakStatement                                          ::= <S>? <BreakOp> <SC>
 412
 413 # The Continue Statement
 414 ContinueOp                                                      ::= 'continue' - 'continue' <IdentifierPart>
 415 ContinueStatement                                       ::= <S>? <ContinueOp> <SC>
 416
 417
 418
 419 # 12.10 The with Statement
 420 WithStatement                                           ::= 'with' <S>? '(' <S>? <Expression> <S>? ')' <S>? <Statement>
 421
 422
 423 # 12.11 The switch Statement
 424 SwitchExpressionOp                                      ::= ('switch' - 'switch' <IdentifierPart>) <S>? '(' <S>? <Expression> <S>? ')'
 425 SwitchStatementOp                                       ::= <SwitchExpressionOp> <S>? <CaseBlock>
 426
 427 CaseBlock                                                       ::= '{' <S>? <CaseClauses>? <S>? <DefaultClauseOp>? <S>? <CaseClauses>? <S>? '}' |
 428                                                                         '{' <S>? <CaseClauses>? <S>? '}'
 429
 430
 431
 432 CaseClauses                                             ::= (<S>? <CaseClauseOp>)+
 433 CaseExpressionOp                                        ::= ('case' - 'case' <IdentifierPart>) <S>? <Expression> <S>? ':'
 434 CaseClauseOp                                            ::= <CaseExpressionOp> <S>? <StatementList>?
 435 DefaultKeywordOp                                        ::= 'default' - 'default' <IdentifierPart>
 436 DefaultClauseOp                                         ::= <DefaultKeywordOp> <S>? ':' <S>? <StatementList>?
 437
 438
 439 # 13 Function Definition
 440 FunctionName                                            ::= <Identifier>
 441 FunctionNameLookupAlloc                         ::= <Identifier>
 442 FunctionDefinition                                      ::= ('function' - 'function' <IdentifierPart>)<S>?<FunctionName><S>?'('<S>?<FormalParameterList>?<S>?')'
 443 FunctionDeclaration                                     ::= <FunctionDefinition><S>?'{'<S>?<FunctionBody>?<S>?'}'
 444 FunctionExpression                                      ::= ('function' - 'function'<IdentifierPart>)<S>?<FunctionName>?<S>?'('<S>?<FormalParameterList>?<S>?')'<S>?'{'<S>?<FunctionBody>?<S>?'}'
 445 FunctionParameter                                       ::= <Identifier>
 446 FormalParameterList                             ::= <FunctionParameter> ( <S>? ',' <S>? <FunctionParameter> )*
 447 FunctionDefinitionStatement                     ::= ('function' - 'function' <IdentifierPart>)<S>?<FunctionNameLookupAlloc><S>?'('<S>?<FormalParameterList>?<S>?')' <SC>
 448 FunctionBody                                            ::= <SourceElements>
 449
 450
 451 # 14 Program
 452 SourceElements                                  ::= (<S>? <SourceElement>)+
 453 SourceElement                                           ::= <FunctionDeclaration> |
 454                                                                         <Statement>
 455 Program                                                 ::= <SourceElements>
 456 # The root rule, it is anonymous
 457 <Program>
 458
 459