# BNF for JavaCC.jj

## TOKENS

    /**********************************************
     * THE JAVACC TOKEN SPECIFICATION STARTS HERE *
     **********************************************/

    /* JAVACC RESERVED WORDS: These are the only tokens in JavaCC but not in Java */
    <DEFAULT> TOKEN : {
    <_LOOKAHEAD: "LOOKAHEAD">
    | <_IGNORE_CASE: "IGNORE_CASE">
    | <_PARSER_BEGIN: "PARSER_BEGIN">
    | <_PARSER_END: "PARSER_END">
    | <_JAVACODE: "JAVACODE">
    | <_TOKEN: "TOKEN">
    | <_SPECIAL_TOKEN: "SPECIAL_TOKEN">
    | <_MORE: "MORE">
    | <_SKIP: "SKIP">
    | <_TOKEN_MGR_DECLS: "TOKEN_MGR_DECLS">
    | <_EOF: "EOF">
    }
    /*
     * The remainder of the tokens are exactly (except for the removal of tokens
     * containing ">>" and "<<") as in the Java grammar and must be diff equivalent
     * (again with the exceptions above) to it.
     */

    /* WHITE SPACE */
    <DEFAULT> SKIP : {
    " "
    | "\t"
    | "\n"
    | "\r"
    | "\f"
    | "/*@egen*/" : AFTER_EGEN
    }
    <AFTER_EGEN> SKIP : {
    <~[]> : DEFAULT
    }
    /* COMMENTS */
    <DEFAULT> MORE : {
    "//" : IN_SINGLE_LINE_COMMENT
    | <"/**" ~["/"]> : IN_FORMAL_COMMENT
    | "/*" : IN_MULTI_LINE_COMMENT
    | "/*@bgen(jjtree" : IN_MULTI_LINE_COMMENT
    }
    <IN_SINGLE_LINE_COMMENT> SPECIAL : {
    <SINGLE_LINE_COMMENT: "\n" | "\r" | "\r\n"> : DEFAULT
    }
    <IN_FORMAL_COMMENT> SPECIAL : {
    <FORMAL_COMMENT: "*/"> : DEFAULT
    }
    <IN_MULTI_LINE_COMMENT> SPECIAL : {
    <MULTI_LINE_COMMENT: "*/"> : DEFAULT
    }
    <IN_SINGLE_LINE_COMMENT,IN_FORMAL_COMMENT,IN_MULTI_LINE_COMMENT> MORE : {
    <~[]>
    }
    /* JAVA RESERVED WORDS AND LITERALS */
    <DEFAULT> TOKEN : {
    <ABSTRACT: "abstract">
    | <ASSERT: "assert">
    | <BOOLEAN: "boolean">
    | <BREAK: "break">
    | <BYTE: "byte">
    | <CASE: "case">
    | <CATCH: "catch">
    | <CHAR: "char">
    | <CLASS: "class">
    | <CONST: "const">
    | <CONTINUE: "continue">
    | <_DEFAULT: "default">
    | <DO: "do">
    | <DOUBLE: "double">
    | <ELSE: "else">
    | <ENUM: "enum">
    | <EXTENDS: "extends">
    | <FALSE: "false">
    | <FINAL: "final">
    | <FINALLY: "finally">
    | <FLOAT: "float">
    | <FOR: "for">
    | <GOTO: "goto">
    | <IF: "if">
    | <IMPLEMENTS: "implements">
    | <IMPORT: "import">
    | <INSTANCEOF: "instanceof">
    | <INT: "int">
    | <INTERFACE: "interface">
    | <LONG: "long">
    | <NATIVE: "native">
    | <NEW: "new">
    | <NULL: "null">
    | <PACKAGE: "package">
    | <PRIVATE: "private">
    | <PROTECTED: "protected">
    | <PUBLIC: "public">
    | <RETURN: "return">
    | <SHORT: "short">
    | <STATIC: "static">
    | <STRICTFP: "strictfp">
    | <SUPER: "super">
    | <SWITCH: "switch">
    | <SYNCHRONIZED: "synchronized">
    | <THIS: "this">
    | <THROW: "throw">
    | <THROWS: "throws">
    | <TRANSIENT: "transient">
    | <TRUE: "true">
    | <TRY: "try">
    | <VOID: "void">
    | <VOLATILE: "volatile">
    | <WHILE: "while">
    }
    /* JAVA LITERALS */
    <DEFAULT> TOKEN : {
    <INTEGER_LITERAL: <DECIMAL_LITERAL> (["l","L"])? | <HEX_LITERAL> (["l","L"])? | <OCTAL_LITERAL> (["l","L"])?>
    | <#DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])*>
    | <#HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+>
    | <#OCTAL_LITERAL: "0" (["0"-"7"])*>
    | <FLOATING_POINT_LITERAL: <DECIMAL_FLOATING_POINT_LITERAL> | <HEXADECIMAL_FLOATING_POINT_LITERAL>>
    | <#DECIMAL_FLOATING_POINT_LITERAL: (["0"-"9"])+ "." (["0"-"9"])* (<DECIMAL_EXPONENT>)? (["f","F","d","D"])? | "." (["0"-"9"])+ (<DECIMAL_EXPONENT>)? (["f","F","d","D"])? | (["0"-"9"])+ <DECIMAL_EXPONENT> (["f","F","d","D"])? | (["0"-"9"])+ (<DECIMAL_EXPONENT>)? ["f","F","d","D"]>
    | <#DECIMAL_EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+>
    | <#HEXADECIMAL_FLOATING_POINT_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ (".")? <HEXADECIMAL_EXPONENT> (["f","F","d","D"])? | "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])* "." (["0"-"9","a"-"f","A"-"F"])+ <HEXADECIMAL_EXPONENT> (["f","F","d","D"])?>
    | <#HEXADECIMAL_EXPONENT: ["p","P"] (["+","-"])? (["0"-"9"])+>
    | <CHARACTER_LITERAL: "\'" (~["\'","\\","\n","\r"] | "\\" (["n","t","b","r","f","\\","\'","\""] | ["0"-"7"] (["0"-"7"])? | ["0"-"3"] ["0"-"7"] ["0"-"7"])) "\'">
    | <STRING_LITERAL: "\"" (~["\"","\\","\n","\r"] | "\\" (["n","t","b","r","f","\\","\'","\""] | ["0"-"7"] (["0"-"7"])? | ["0"-"3"] ["0"-"7"] ["0"-"7"]))* "\"">
    }
    /* SEPARATORS */
    <DEFAULT> TOKEN : {
    <LPAREN: "(">
    | <RPAREN: ")">
    | <LBRACE: "{">
    | <RBRACE: "}">
    | <LBRACKET: "[">
    | <RBRACKET: "]">
    | <SEMICOLON: ";">
    | <COMMA: ",">
    | <DOT: ".">
    }
    /* OPERATORS */
    <DEFAULT> TOKEN : {
    <ASSIGN: "=">
    | <LT: "<">
    | <BANG: "!">
    | <TILDE: "~">
    | <HOOK: "?">
    | <COLON: ":">
    | <EQ: "==">
    | <LE: "<=">
    | <GE: ">=">
    | <NE: "!=">
    | <SC_OR: "||">
    | <SC_AND: "&&">
    | <INCR: "++">
    | <DECR: "--">
    | <PLUS: "+">
    | <MINUS: "-">
    | <STAR: "*">
    | <SLASH: "/">
    | <BIT_AND: "&">
    | <BIT_OR: "|">
    | <XOR: "^">
    | <REM: "%">
    | <PLUSASSIGN: "+=">
    | <MINUSASSIGN: "-=">
    | <STARASSIGN: "*=">
    | <SLASHASSIGN: "/=">
    | <ANDASSIGN: "&=">
    | <ORASSIGN: "|=">
    | <XORASSIGN: "^=">
    | <REMASSIGN: "%=">
    }
    /* >'s need special attention due to generics syntax. */
    <DEFAULT> TOKEN : {
    <RUNSIGNEDSHIFT: ">>>"> : {
    | <RSIGNEDSHIFT: ">>"> : {
    | <GT: ">">
    }
    /* IDENTIFIERS */
    <DEFAULT> TOKEN : {
    <IDENTIFIER: <LETTER> (<PART_LETTER>)*>
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    | <#PART_LETTER: 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    }

## NON-TERMINALS

    /************************************************
     * THE JAVACC GRAMMAR SPECIFICATION STARTS HERE *
     ************************************************/
javacc_input | ::= | javacc_options "PARSER_BEGIN" "(" identifier ")" CompilationUnit "PARSER_END" "(" identifier ")" ( production )+ <EOF>
javacc_options | ::= | ( <IDENTIFIER> "{" ( option_binding )* "}" )?
option_binding | ::= | ( <IDENTIFIER> | "LOOKAHEAD" | "IGNORE_CASE" | "static" ) "=" ( IntegerLiteral | BooleanLiteral | StringLiteral ) ";"
production | ::= | javacode_production
| | | regular_expr_production
| | | token_manager_decls
| | | bnf_production
javacode_production | ::= | "JAVACODE" AccessModifier ResultType identifier FormalParameters ( "throws" Name ( "," Name )* )? Block
bnf_production | ::= | AccessModifier ResultType identifier FormalParameters ( "throws" Name ( "," Name )* )? ":" Block "{" expansion_choices "}"
AccessModifier | ::= | ( "public" | "protected" | "private" )?
regular_expr_production | ::= | ( "<" "*" ">" | "<" <IDENTIFIER> ( "," <IDENTIFIER> )* ">" )? regexpr_kind ( "[" "IGNORE_CASE" "]" )? ":" "{" regexpr_spec ( "|" regexpr_spec )* "}"
token_manager_decls | ::= | "TOKEN_MGR_DECLS" ":" ClassOrInterfaceBody
regexpr_kind | ::= | "TOKEN"
| | | "SPECIAL_TOKEN"
| | | "SKIP"
| | | "MORE"
regexpr_spec | ::= | regular_expression ( Block )? ( ":" <IDENTIFIER> )?
expansion_choices | ::= | expansion ( "|" expansion )*
expansion | ::= | ( "LOOKAHEAD" "(" local_lookahead ")" )? ( expansion_unit )+
local_lookahead | ::= | ( IntegerLiteral )? ( "," )? ( expansion_choices )? ( "," )? ( "{" Expression "}" )?
expansion_unit | ::= | "LOOKAHEAD" "(" local_lookahead ")"
| | | Block
| | | "[" expansion_choices "]"
| | | "try" "{" expansion_choices "}" ( "catch" "(" Name <IDENTIFIER> ")" Block )* ( "finally" Block )?
| | | ( PrimaryExpression "=" )? ( identifier Arguments | regular_expression ( "." <IDENTIFIER> )? )
| | | "(" expansion_choices ")" ( "+" | "*" | "?" )?
regular_expression | ::= | StringLiteral
| | | <LANGLE: "<"> ( ( "#" )? identifier ":" )? complex_regular_expression_choices <RANGLE: ">">
| | | "<" identifier ">"
| | | "<" "EOF" ">"
complex_regular_expression_choices | ::= | complex_regular_expression ( "|" complex_regular_expression )*
complex_regular_expression | ::= | ( complex_regular_expression_unit )+
complex_regular_expression_unit | ::= | StringLiteral
| | | "<" identifier ">"
| | | character_list
| | | "(" complex_regular_expression_choices ")" ( "+" | "*" | "?" | "{" IntegerLiteral ( "," ( IntegerLiteral )? )? "}" )?
character_list | ::= | ( "~" )? "[" ( character_descriptor ( "," character_descriptor )* )? "]"
character_descriptor | ::= | StringLiteral ( "-" StringLiteral )?
identifier | ::= | <IDENTIFIER>
    /**********************************************
     * THE JAVA GRAMMAR SPECIFICATION STARTS HERE *
     **********************************************/

    /*
     * The Java grammar is modified to use sequences of tokens
     * for the missing tokens - those that include "<<" and ">>".
     */

    /*
     * The following production defines Java identifiers - it
     * includes the reserved words of JavaCC also.
     */
JavaIdentifier | ::= | ( <IDENTIFIER> | "LOOKAHEAD" | "IGNORE_CASE" | "PARSER_BEGIN" | "PARSER_END" | "JAVACODE" | "TOKEN" | "SPECIAL_TOKEN" | "MORE" | "SKIP" | "TOKEN_MGR_DECLS" | "EOF" )
    /*
     * Program structuring syntax follows.
     */
CompilationUnit | ::= | ( PackageDeclaration )? ( ImportDeclaration )* ( TypeDeclaration )*
PackageDeclaration | ::= | Modifiers "package" Name ";"
ImportDeclaration | ::= | "import" ( "static" )? Name ( "." "*" )? ";"
    /*
     * Modifiers. We match all modifiers in a single rule to reduce the chances of
     * syntax errors for simple modifier mistakes. It will also enable us to give
     * better error messages.
     */
Modifiers | ::= | ( ( "public" | "static" | "protected" | "private" | "final" | "abstract" | "synchronized" | "native" | "transient" | "volatile" | "strictfp" | Annotation ) )*
    /*
     * Declaration syntax follows.
     */
TypeDeclaration | ::= | ";"
| | | Modifiers ( ClassOrInterfaceDeclaration | EnumDeclaration | AnnotationTypeDeclaration )
ClassOrInterfaceDeclaration | ::= | ( "class" | "interface" ) <IDENTIFIER> ( TypeParameters )? ( ExtendsList )? ( ImplementsList )? ClassOrInterfaceBody
ExtendsList | ::= | "extends" ClassOrInterfaceType ( "," ClassOrInterfaceType )*
ImplementsList | ::= | "implements" ClassOrInterfaceType ( "," ClassOrInterfaceType )*
EnumDeclaration | ::= | "enum" <IDENTIFIER> ( ImplementsList )? EnumBody
EnumBody | ::= | "{" ( EnumConstant ( "," EnumConstant )* )? ( "," )? ( ";" ( ClassOrInterfaceBodyDeclaration )* )? "}"
EnumConstant | ::= | Modifiers <IDENTIFIER> ( Arguments )? ( ClassOrInterfaceBody )?
TypeParameters | ::= | "<" TypeParameter ( "," TypeParameter )* ">"
TypeParameter | ::= | <IDENTIFIER> ( TypeBound )?
TypeBound | ::= | "extends" ClassOrInterfaceType ( "&" ClassOrInterfaceType )*
ClassOrInterfaceBody | ::= | "{" ( ClassOrInterfaceBodyDeclaration )* "}"
ClassOrInterfaceBodyDeclaration | ::= | Initializer
| | | Modifiers ( ClassOrInterfaceDeclaration | EnumDeclaration | ConstructorDeclaration | FieldDeclaration | MethodDeclaration )
| | | ";"
FieldDeclaration | ::= | Type VariableDeclarator ( "," VariableDeclarator )* ";"
VariableDeclarator | ::= | VariableDeclaratorId ( "=" VariableInitializer )?
VariableDeclaratorId | ::= | <IDENTIFIER> ( "[" "]" )*
VariableInitializer | ::= | ArrayInitializer
| | | Expression
ArrayInitializer | ::= | "{" ( VariableInitializer ( "," VariableInitializer )* )? ( "," )? "}"
MethodDeclaration | ::= | ( TypeParameters )? ResultType MethodDeclarator ( "throws" NameList )? ( Block | ";" )
MethodDeclarator | ::= | <IDENTIFIER> FormalParameters ( "[" "]" )*
FormalParameters | ::= | "(" ( FormalParameter ( "," FormalParameter )* )? ")"
FormalParameter | ::= | Modifiers Type ( "..." )? VariableDeclaratorId
ConstructorDeclaration | ::= | ( TypeParameters )? <IDENTIFIER> FormalParameters ( "throws" NameList )? "{" ( ExplicitConstructorInvocation )? ( BlockStatement )* "}"
ExplicitConstructorInvocation | ::= | "this" Arguments ";"
| | | ( PrimaryExpression "." )? "super" Arguments ";"
Initializer | ::= | ( "static" )? Block
    /*
     * Type, name and expression syntax follows.
     */
Type | ::= | ReferenceType
| | | PrimitiveType
ReferenceType | ::= | PrimitiveType ( "[" "]" )+
| | | ( ClassOrInterfaceType ) ( "[" "]" )*
ClassOrInterfaceType | ::= | <IDENTIFIER> ( TypeArguments )? ( "." <IDENTIFIER> ( TypeArguments )? )*
TypeArguments | ::= | "<" TypeArgument ( "," TypeArgument )* ">"
TypeArgument | ::= | ReferenceType
| | | "?" ( WildcardBounds )?
WildcardBounds | ::= | "extends" ReferenceType
| | | "super" ReferenceType
PrimitiveType | ::= | "boolean"
| | | "char"
| | | "byte"
| | | "short"
| | | "int"
| | | "long"
| | | "float"
| | | "double"
ResultType | ::= | ( "void" | Type )
Name | ::= | JavaIdentifier ( "." JavaIdentifier )*
NameList | ::= | Name ( "," Name )*
    /*
     * Expression syntax follows.
     */
Expression | ::= | ConditionalExpression ( AssignmentOperator Expression )?
AssignmentOperator | ::= | "="
| | | "*="
| | | "/="
| | | "%="
| | | "+="
| | | "-="
| | | "<<="
| | | ">>="
| | | ">>>="
| | | "&="
| | | "^="
| | | "|="
ConditionalExpression | ::= | ConditionalOrExpression ( "?" Expression ":" Expression )?
ConditionalOrExpression | ::= | ConditionalAndExpression ( "||" ConditionalAndExpression )*
ConditionalAndExpression | ::= | InclusiveOrExpression ( "&&" InclusiveOrExpression )*
InclusiveOrExpression | ::= | ExclusiveOrExpression ( "|" ExclusiveOrExpression )*
ExclusiveOrExpression | ::= | AndExpression ( "^" AndExpression )*
AndExpression | ::= | EqualityExpression ( "&" EqualityExpression )*
EqualityExpression | ::= | InstanceOfExpression ( ( "==" | "!=" ) InstanceOfExpression )*
InstanceOfExpression | ::= | RelationalExpression ( "instanceof" Type )?
RelationalExpression | ::= | ShiftExpression ( ( "<" | ">" | "<=" | ">=" ) ShiftExpression )*
ShiftExpression | ::= | AdditiveExpression ( ( "<<" | RSIGNEDSHIFT | RUNSIGNEDSHIFT ) AdditiveExpression )*
AdditiveExpression | ::= | MultiplicativeExpression ( ( "+" | "-" ) MultiplicativeExpression )*
MultiplicativeExpression | ::= | UnaryExpression ( ( "*" | "/" | "%" ) UnaryExpression )*
UnaryExpression | ::= | ( "+" | "-" ) UnaryExpression
| | | PreIncrementExpression
| | | PreDecrementExpression
| | | UnaryExpressionNotPlusMinus
PreIncrementExpression | ::= | "++" PrimaryExpression
PreDecrementExpression | ::= | "--" PrimaryExpression
UnaryExpressionNotPlusMinus | ::= | ( "~" | "!" ) UnaryExpression
| | | CastExpression
| | | PostfixExpression
    // This production is to determine lookahead only.  The LOOKAHEAD specifications
    // below are not used, but they are there just to indicate that we know about
    // this.
CastLookahead | ::= | "(" PrimitiveType
| | | "(" Type "[" "]"
| | | "(" Type ")" ( "~" | "!" | "(" | <IDENTIFIER> | "this" | "super" | "new" | Literal )
PostfixExpression | ::= | PrimaryExpression ( "++" | "--" )?
CastExpression | ::= | "(" Type ")" UnaryExpression
| | | "(" Type ")" UnaryExpressionNotPlusMinus
PrimaryExpression | ::= | PrimaryPrefix ( PrimarySuffix )*
MemberSelector | ::= | "." TypeArguments <IDENTIFIER>
PrimaryPrefix | ::= | Literal
| | | "this"
| | | "super" "." <IDENTIFIER>
| | | "(" Expression ")"
| | | AllocationExpression
| | | ResultType "." "class"
| | | Name
PrimarySuffix | ::= | "." "this"
| | | "." AllocationExpression
| | | MemberSelector
| | | "[" Expression "]"
| | | "." <IDENTIFIER>
| | | Arguments
Literal | ::= | <INTEGER_LITERAL>
| | | <FLOATING_POINT_LITERAL>
| | | <CHARACTER_LITERAL>
| | | <STRING_LITERAL>
| | | BooleanLiteral
| | | NullLiteral
IntegerLiteral | ::= | <INTEGER_LITERAL>
BooleanLiteral | ::= | "true"
| | | "false"
StringLiteral | ::= | <STRING_LITERAL>
NullLiteral | ::= | "null"
Arguments | ::= | "(" ( ArgumentList )? ")"
ArgumentList | ::= | Expression ( "," Expression )*
AllocationExpression | ::= | "new" PrimitiveType ArrayDimsAndInits
| | | "new" ClassOrInterfaceType ( TypeArguments )? ( ArrayDimsAndInits | Arguments ( ClassOrInterfaceBody )? )
    /*
     * The third LOOKAHEAD specification below is to parse to PrimarySuffix
     * if there is an expression between the "[...]".
     */
ArrayDimsAndInits | ::= | ( "[" Expression "]" )+ ( "[" "]" )*
| | | ( "[" "]" )+ ArrayInitializer
    /*
     * Statement syntax follows.
     */
Statement | ::= | LabeledStatement
| | | AssertStatement
| | | Block
| | | EmptyStatement
| | | StatementExpression ";"
| | | SwitchStatement
| | | IfStatement
| | | WhileStatement
| | | DoStatement
| | | ForStatement
| | | BreakStatement
| | | ContinueStatement
| | | ReturnStatement
| | | ThrowStatement
| | | SynchronizedStatement
| | | TryStatement
AssertStatement | ::= | "assert" Expression ( ":" Expression )? ";"
LabeledStatement | ::= | <IDENTIFIER> ":" Statement
Block | ::= | "{" ( BlockStatement )* "}"
BlockStatement | ::= | LocalVariableDeclaration ";"
| | | Statement
| | | ClassOrInterfaceDeclaration
LocalVariableDeclaration | ::= | Modifiers Type VariableDeclarator ( "," VariableDeclarator )*
EmptyStatement | ::= | ";"
StatementExpression | ::= | PreIncrementExpression
| | | PreDecrementExpression
| | | PrimaryExpression ( "++" | "--" | AssignmentOperator Expression )?
SwitchStatement | ::= | "switch" "(" Expression ")" "{" ( SwitchLabel ( BlockStatement )* )* "}"
SwitchLabel | ::= | "case" Expression ":"
| | | "default" ":"
IfStatement | ::= | "if" "(" Expression ")" Statement ( "else" Statement )?
WhileStatement | ::= | "while" "(" Expression ")" Statement
DoStatement | ::= | "do" Statement "while" "(" Expression ")" ";"
ForStatement | ::= | "for" "(" ( Modifiers Type <IDENTIFIER> ":" Expression | ( ForInit )? ";" ( Expression )? ";" ( ForUpdate )? ) ")" Statement
ForInit | ::= | LocalVariableDeclaration
| | | StatementExpressionList
StatementExpressionList | ::= | StatementExpression ( "," StatementExpression )*
ForUpdate | ::= | StatementExpressionList
BreakStatement | ::= | "break" ( <IDENTIFIER> )? ";"
ContinueStatement | ::= | "continue" ( <IDENTIFIER> )? ";"
ReturnStatement | ::= | "return" ( Expression )? ";"
ThrowStatement | ::= | "throw" Expression ";"
SynchronizedStatement | ::= | "synchronized" "(" Expression ")" Block
TryStatement | ::= | "try" Block ( "catch" "(" FormalParameter ")" Block )* ( "finally" Block )?
    /* We use productions to match >>>, >> and > so that we can keep the
     * type declaration syntax with generics clean
     */
RUNSIGNEDSHIFT | ::= | ( ">" ">" ">" )
RSIGNEDSHIFT | ::= | ( ">" ">" )
    /* Annotation syntax follows. */
Annotation | ::= | NormalAnnotation
| | | SingleMemberAnnotation
| | | MarkerAnnotation
NormalAnnotation | ::= | "@" Name "(" ( MemberValuePairs )? ")"
MarkerAnnotation | ::= | "@" Name
SingleMemberAnnotation | ::= | "@" Name "(" MemberValue ")"
MemberValuePairs | ::= | MemberValuePair ( "," MemberValuePair )*
MemberValuePair | ::= | <IDENTIFIER> "=" MemberValue
MemberValue | ::= | Annotation
| | | MemberValueArrayInitializer
| | | ConditionalExpression
MemberValueArrayInitializer | ::= | "{" MemberValue ( "," MemberValue )* ( "," )? "}"
    /* Annotation Types. */
AnnotationTypeDeclaration | ::= | "@" "interface" <IDENTIFIER> AnnotationTypeBody
AnnotationTypeBody | ::= | "{" ( AnnotationTypeMemberDeclaration )* "}"
AnnotationTypeMemberDeclaration | ::= | Modifiers ( Type <IDENTIFIER> "(" ")" ( DefaultValue )? ";" | ClassOrInterfaceDeclaration | EnumDeclaration | AnnotationTypeDeclaration | FieldDeclaration )
| | | ( ";" )
DefaultValue | ::= | "default" MemberValue