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Maven 3 Plugin for processing JavaCC grammar files.
/* Copyright (c) 2006, Sun Microsystems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
options {
MULTI = true;
NODE_DEFAULT_VOID = true;
NODE_SCOPE_HOOK=true;
JAVA_UNICODE_ESCAPE = true;
STATIC = false;
NODE_CLASS = "JJTreeNode";
VISITOR = true;
}
PARSER_BEGIN(JJTreeParser)
package org.javacc.jjtree;
public class JJTreeParser {
void jjtreeOpenNodeScope(Node n)
{
((JJTreeNode)n).setFirstToken(getToken(1));
}
void jjtreeCloseNodeScope(Node n)
{
((JJTreeNode)n).setLastToken(getToken(0));
}
/**
* Returns true if the next token is not in the FOLLOW list of "expansion".
* It is used to decide when the end of an "expansion" has been reached.
*/
private boolean notTailOfExpansionUnit() {
Token t;
t = getToken(1);
if (t.kind == BIT_OR || t.kind == COMMA || t.kind == RPAREN || t.kind == RBRACE || t.kind == RBRACKET) return false;
return true;
}
protected boolean isJavaLanguage = true;
private void eatUptoCloseBrace() {
int b = 1;
while(getToken(1).kind != RBRACE || --b != 0) {
if (getToken(1).kind == EOF) break;
if (getNextToken().kind == LBRACE) b++;
}
}
}
PARSER_END(JJTreeParser)
/**********************************************
* THE JAVACC TOKEN SPECIFICATION STARTS HERE *
**********************************************/
/* JAVACC RESERVED WORDS: These are the only tokens in JavaCC but not in Java */
TOKEN :
{
// Options is no longer a reserved word (Issue 126)
// < _OPTIONS: "options" >
< _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 */
SPECIAL_TOKEN :
{
" "
| "\t"
| "\n"
| "\r"
| "\f"
}
/* COMMENTS */
MORE :
{
"//" : IN_SINGLE_LINE_COMMENT
|
<"/**" ~["/"]> { input_stream.backup(1); } : IN_FORMAL_COMMENT
|
"/*" : IN_MULTI_LINE_COMMENT
}
SPECIAL_TOKEN :
{
: DEFAULT
}
SPECIAL_TOKEN :
{
: DEFAULT
}
SPECIAL_TOKEN :
{
: DEFAULT
}
MORE :
{
< ~[] >
}
/* JAVA RESERVED WORDS AND LITERALS */
TOKEN :
{
< ABSTRACT: "abstract" >
| < 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" >
| < 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" >
| < 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 */
TOKEN :
{
< INTEGER_LITERAL:
(["l","L"])?
| (["l","L"])?
| (["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:
(["0"-"9"])+ "." (["0"-"9"])* ()? (["f","F","d","D"])?
| "." (["0"-"9"])+ ()? (["f","F","d","D"])?
| (["0"-"9"])+ (["f","F","d","D"])?
| (["0"-"9"])+ ()? ["f","F","d","D"]
>
|
< #DECIMAL_EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
|
< #HEXADECIMAL_FLOATING_POINT_LITERAL:
"0" ["x", "X"] (["0"-"9","a"-"f","A"-"F"])+ (".")? (["f","F","d","D"])?
| "0" ["x", "X"] (["0"-"9","a"-"f","A"-"F"])* "." (["0"-"9","a"-"f","A"-"F"])+ (["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 */
TOKEN :
{
< LPAREN: "(" >
| < RPAREN: ")" >
| < LBRACE: "{" >
| < RBRACE: "}" >
| < LBRACKET: "[" >
| < RBRACKET: "]" >
| < SEMICOLON: ";" >
| < COMMA: "," >
| < DOT: "." >
| < HASH: "#" >
}
/* OPERATORS */
TOKEN :
{
< ASSIGN: "=" >
//| < GT: ">" >
| < 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: "%" >
// | < LSHIFT: "<<" >
// | < RSIGNEDSHIFT: ">>" >
// | < RUNSIGNEDSHIFT: ">>>" >
| < PLUSASSIGN: "+=" >
| < MINUSASSIGN: "-=" >
| < STARASSIGN: "*=" >
| < SLASHASSIGN: "/=" >
| < ANDASSIGN: "&=" >
| < ORASSIGN: "|=" >
| < XORASSIGN: "^=" >
| < REMASSIGN: "%=" >
// | < LSHIFTASSIGN: "<<=" >
// | < RSIGNEDSHIFTASSIGN: ">>=" >
// | < RUNSIGNEDSHIFTASSIGN: ">>>=" >
}
/* >'s need special attention due to generics syntax. */
TOKEN :
{
< RUNSIGNEDSHIFT: ">>>" >
{
matchedToken.kind = GT;
((Token.GTToken)matchedToken).realKind = RUNSIGNEDSHIFT;
input_stream.backup(2);
matchedToken.image = ">";
}
| < RSIGNEDSHIFT: ">>" >
{
matchedToken.kind = GT;
((Token.GTToken)matchedToken).realKind = RSIGNEDSHIFT;
input_stream.backup(1);
matchedToken.image = ">";
}
| < GT: ">" >
}
/************************************************
* THE JAVACC GRAMMAR SPECIFICATION STARTS HERE *
************************************************/
void javacc_input() #Grammar :
{
Token t;
}
{
javacc_options()
{
// TODO :: CBA -- Require Unification of output language specific processing into a single Enum class
isJavaLanguage = JJTreeOptions.isOutputLanguageJava();
}
(
"PARSER_BEGIN" "(" t=identifier() ")"
{
JJTreeGlobals.parserName = t.image;
if (!isJavaLanguage) {
while(getToken(1).kind != _PARSER_END) {
getNextToken();
}
}
}
CompilationUnit()
"PARSER_END" "(" identifier() ")"
{
if (JJTreeOptions.getNodePackage().equals("")) {
JJTreeGlobals.nodePackageName = JJTreeGlobals.packageName;
} else {
JJTreeGlobals.nodePackageName = JJTreeOptions.getNodePackage();
}
}
) #CompilationUnit(true)
(
( production() )+
) #Productions
}
void javacc_options() :
{
}
{
[ LOOKAHEAD( { getToken(1).image.equals("options") }) ( "{" ( option_binding() )* "}" ) #Options ]
{
JJTreeOptions.normalize();
}
}
void option_binding() #OptionBinding :
{
Token o, v;
}
{
( o= | o="LOOKAHEAD" | o="IGNORE_CASE" | o="static" )
"="
(
v=IntegerLiteral()
{
JJTreeOptions.setInputFileOption(o, v, o.image, new Integer(v.image));
jjtThis.initialize(o.image, v.image);
}
| v=BooleanLiteral()
{
JJTreeOptions.setInputFileOption(o, v, o.image,
Boolean.valueOf(v.image));
jjtThis.initialize(o.image, v.image);
}
| v=StringLiteral()
{
String vs = TokenUtils.remove_escapes_and_quotes(v, v.image);
JJTreeOptions.setInputFileOption(o, v, o.image, (Object)vs);
jjtThis.initialize(o.image, vs);
}
) ";"
}
void production() :
{
}
{
LOOKAHEAD(1)
/*
* Since JAVACODE is both a JavaCC reserved word and a Java identifier,
* we need to give preference to "javacode_production" over
* "bnf_production".
*/
javacode_production()
|
LOOKAHEAD(1)
/*
* Since SKIP, TOKEN, etc. are both JavaCC reserved words and Java
* identifiers, we need to give preference to "regular_expression_production"
* over "bnf_production".
*/
regular_expr_production()
|
LOOKAHEAD(1)
/*
* Since TOKEN_MGR_DECLS is both a JavaCC reserved word and a Java identifier,
* we need to give preference to "token_manager_decls" over
* "bnf_production".
*/
token_manager_decls()
|
bnf_production()
}
void javacode_production() #Javacode :
{
Token t1, t2;
ASTJavacode prod;
ASTNodeDescriptor nd = null;
String n;
}
{
{
prod = jjtThis;
}
"JAVACODE"
AccessModifier() ResultType() t1=identifier() FormalParameters()
{
if (!isJavaLanguage) {
while(getToken(1).kind != LBRACE) {
getNextToken();
}
}
}
[
"throws" n=Name()
{
prod.throws_list.addElement(n);
}
( "," n=Name()
{
prod.throws_list.addElement(n);
}
)*
]
[ nd=node_descriptor() ]
// This is really a Block()
t2="{"
{
prod.name = t1.image;
prod.stmBeginLoc = t2;
if (!isJavaLanguage) {
eatUptoCloseBrace();
}
}
(
( BlockStatement() )*
{
jjtThis.node_scope = new NodeScope(prod, nd);
}
) #JavacodeBody
"}"
{
JJTreeGlobals.productions.put(prod.name, prod);
}
}
void bnf_production() #BNF :
{
Token t1, t2;
ASTBNF prod;
ASTNodeDescriptor nd = null;
NodeScope ns;
JJTreeNode eu;
String n;
}
{
{
prod = jjtThis;
}
AccessModifier() ResultType() t1=identifier() FormalParameters()
/*{
if (!isJavaLanguage) {
while(getToken(1).kind != LBRACE && getToken(1).kind != HASH) {
getNextToken();
}
}
}*/
[
"throws" n=Name()
{
prod.throws_list.addElement(n);
}
( "," n=Name()
{
prod.throws_list.addElement(n);
}
)*
]
[ nd=node_descriptor() ]
":"
// This is really a Block()
t2="{"
{
prod.name = t1.image;
prod.declBeginLoc = t2;
ns = new NodeScope(prod, nd);
if (!isJavaLanguage) {
eatUptoCloseBrace();
}
}
(
( BlockStatement() )*
{
jjtThis.node_scope = ns;
}
) #BNFDeclaration
"}"
"{"
(
eu=expansion_choices(prod)
{
jjtThis.node_scope = ns;
jjtThis.expansion_unit = eu;
}
) #BNFNodeScope
"}"
{
JJTreeGlobals.productions.put(prod.name, prod);
}
}
void AccessModifier() :
{}
{
( "public" | "protected" | "private" )?
}
void regular_expr_production() #RE :
{
}
{
[
LOOKAHEAD(2) "<" "*" ">"
|
"<" ( "," )* ">"
]
regexpr_kind() [ "[" "IGNORE_CASE" "]" ] ":"
"{" regexpr_spec() ( "|" regexpr_spec() )* "}"
}
void token_manager_decls() #TokenDecls :
{
}
{
"TOKEN_MGR_DECLS" ":"
{
if (!isJavaLanguage) {
getNextToken(); // eat {
eatUptoCloseBrace();
getNextToken(); // eat }
}
}
[ ClassOrInterfaceBody() ]
}
void regexpr_kind() :
{
}
{
"TOKEN"
|
"SPECIAL_TOKEN"
|
"SKIP"
|
"MORE"
}
void regexpr_spec() #RESpec :
{}
{
regular_expression()
[ Block() ]
[ ":" ]
}
JJTreeNode expansion_choices(ASTProduction p) #BNFChoice(>1) :
{
}
{
expansion(p) ( "|" expansion(p) )*
{
return (JJTreeNode)jjtree.peekNode();
}
}
void expansion(ASTProduction p) #BNFSequence(>1) :
{
JJTreeNode eu;
ASTNodeDescriptor nd = null;
}
{
(
LOOKAHEAD(1)
( "LOOKAHEAD" "(" local_lookahead(p) ")" ) #BNFLookahead
)?
(
LOOKAHEAD(0, { notTailOfExpansionUnit() } )
(
eu=expansion_unit(p)
[ nd=node_descriptor() ]
{
if (jjtree.nodeCreated()) {
jjtThis.node_scope = new NodeScope(p, nd);
jjtThis.expansion_unit = eu;
}
}
) #ExpansionNodeScope(>1)
)+
}
void local_lookahead(ASTProduction p) :
{
boolean commaAtEnd = false, emptyLA = true;
}
{
[
/*
* The lookahead of 1 is to turn off the warning message that lets
* us know that an expansion choice can also start with an integer
* literal because a primary expression can do the same. But we
* know that this is what we want.
*/
LOOKAHEAD(1)
IntegerLiteral()
{
emptyLA = false;
}
]
[ LOOKAHEAD(0, { !emptyLA && (getToken(1).kind != RPAREN) } )
","
{
commaAtEnd = true;
}
]
[ LOOKAHEAD(0, { getToken(1).kind != RPAREN && getToken(1).kind != LBRACE } )
expansion_choices(p)
{
emptyLA = false; commaAtEnd = false;
}
]
[ LOOKAHEAD(0, { !emptyLA && !commaAtEnd && (getToken(1).kind != RPAREN) } )
","
{
commaAtEnd = true;
}
]
[ LOOKAHEAD(0, { emptyLA || commaAtEnd } )
"{"
{
if (!isJavaLanguage) {
eatUptoCloseBrace();
}
}
[ Expression() ] "}"
]
}
JJTreeNode expansion_unit(ASTProduction p) :
{
Token t;
}
{
(
LOOKAHEAD(1)
/*
* We give this priority over primary expressions which use LOOKAHEAD as the
* name of its identifier.
*/
(
"LOOKAHEAD" "(" local_lookahead(p) ")"
) #BNFLookahead
|
Block() #BNFAction
|
(
"[" expansion_choices(p) "]"
) #BNFZeroOrOne
|
(
"try" "{"
{
if (!isJavaLanguage) {
eatUptoCloseBrace();
}
}
[ expansion_choices(p) ]
"}"
( "catch" "(" Name() ")" Block() )*
[ "finally" Block() ]
) #BNFTryBlock
|
LOOKAHEAD( identifier() | StringLiteral() | "<" | PrimaryExpression() "=" )
(
[
LOOKAHEAD(PrimaryExpression() "=")
PrimaryExpression() "="
]
(
regular_expression() [ "." t= ]
| ( identifier() Arguments() ) #BNFNonTerminal
)
) #BNFAssignment(>1)
|
t="(" expansion_choices(p) ")"
(
"+"
#BNFOneOrMore(1)
|
"*"
#BNFZeroOrMore(1)
|
"?"
#BNFZeroOrOne(1)
|
{}
#BNFParenthesized(1)
)
{
((JJTreeNode)jjtree.peekNode()).setFirstToken(t);
}
)
{
return (JJTreeNode)jjtree.peekNode();
}
}
void regular_expression() :
{
}
{
StringLiteral() #REStringLiteral
|
LOOKAHEAD(3)
(
"<" [ [ "#" ] identifier() ":" ] complex_regular_expression_choices() ">"
) #RENamed
|
LOOKAHEAD(2)
(
"<" identifier() ">"
) #REReference
|
(
"<" "EOF" ">"
) #REEOF
}
void complex_regular_expression_choices() #REChoice(>1) :
{}
{
complex_regular_expression() ( "|" complex_regular_expression() )*
}
void complex_regular_expression() #RESequence(>1) :
{}
{
( complex_regular_expression_unit() )+
}
void complex_regular_expression_unit() :
{
Token t;
}
{
StringLiteral() #REStringLiteral
|
( "<" identifier() ">" ) #REReference
|
character_list()
|
t="(" complex_regular_expression_choices() ")"
(
"+"
#REOneOrMore(1)
|
"*"
#REZeroOrMore(1)
|
"?"
#REZeroOrOne(1)
| "{" IntegerLiteral() [ "," [ IntegerLiteral() ] ] "}"
#RRepetitionRange(1)
|
{}
#REParenthesized(1)
)
{
((JJTreeNode)jjtree.peekNode()).setFirstToken(t);
}
}
void character_list() #RECharList :
{}
{
[ "~" ] "[" [ character_descriptor() ( "," character_descriptor() )* ] "]"
}
void character_descriptor() #CharDescriptor :
{}
{
StringLiteral() [ "-" StringLiteral() ]
}
Token identifier() :
{
Token t;
}
{
t=
{
return t;
}
}
/**********************************************
* THE JJTREE PRODUCTIONS START HERE *
**********************************************/
ASTNodeDescriptor node_descriptor() #NodeDescriptor :
{
Token t = null;
String s = null;
}
{
"#"
(
s=Name()
{
jjtThis.name = s;
}
| t=
{
jjtThis.name = t.image;
}
)
[
LOOKAHEAD(1)
"("
[ ">"
{
jjtThis.isGT = true;
}
]
node_descriptor_expression()
{
jjtThis.expression =
(ASTNodeDescriptorExpression)jjtree.peekNode();
}
")"
]
{
jjtThis.setNodeIdValue();
return jjtThis;
}
}
JAVACODE
void node_descriptor_expression() #NodeDescriptorExpression
{
Token tok;
int nesting = 1;
while (true) {
tok = getToken(1);
if (tok.kind == 0) {
throw new ParseException();
}
if (tok.kind == LPAREN) nesting++;
if (tok.kind == RPAREN) {
nesting--;
if (nesting == 0) break;
}
tok = getNextToken();
}
}
/**********************************************
* 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.
*/
String JavaIdentifier() :
{}
{
(
| "LOOKAHEAD"
| "IGNORE_CASE"
| "PARSER_BEGIN"
| "PARSER_END"
| "JAVACODE"
| "TOKEN"
| "SPECIAL_TOKEN"
| "MORE"
| "SKIP"
| "TOKEN_MGR_DECLS"
| "EOF"
)
{
return token.image;
}
}
/*
* Program structuring syntax follows.
*/
void CompilationUnit() :
{}
{
[ LOOKAHEAD( ( Annotation() )* "package" ) PackageDeclaration() ]
{ JJTreeGlobals.parserImports = getToken(1); }
( ImportDeclaration() )*
( TypeDeclaration() )*
}
void PackageDeclaration() :
{
String s;
}
{
Modifiers() "package" s=Name() ";"
{
JJTreeGlobals.packageName = s;
}
}
void 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.
*/
void Modifiers():
{}
{
(
LOOKAHEAD(2)
(
"public"
|
"static"
|
"protected"
|
"private"
|
"final"
|
"abstract"
|
"synchronized"
|
"native"
|
"transient"
|
"volatile"
|
"strictfp"
|
Annotation()
)
)*
}
/*
* Declaration syntax follows.
*/
void TypeDeclaration():
{
;
}
{
";"
|
Modifiers()
(
ClassOrInterfaceDeclaration()
|
EnumDeclaration()
|
AnnotationTypeDeclaration()
)
}
void ClassOrInterfaceDeclaration():
{
Token t = null;
String s;
}
{
( "class" | "interface" )
s=JavaIdentifier()
[ TypeParameters() ]
[ ExtendsList() ]
[ { t = getToken(1); } ImplementsList() ]
{
if (s.equals(JJTreeGlobals.parserName)) {
if (t != null) {
JJTreeGlobals.parserImplements = t;
} else {
JJTreeGlobals.parserImplements = getToken(1);
}
JJTreeGlobals.parserClassBodyStart = getToken(1);
}
}
ClassOrInterfaceBody()
}
void ExtendsList():
{}
{
"extends" ClassOrInterfaceType()
( "," ClassOrInterfaceType() )*
}
void ImplementsList():
{}
{
"implements" ClassOrInterfaceType()
( "," ClassOrInterfaceType() )*
}
void EnumDeclaration():
{}
{
"enum" JavaIdentifier()
[ ImplementsList() ]
EnumBody()
}
void EnumBody():
{}
{
"{"
[ EnumConstant() ( LOOKAHEAD(2) "," EnumConstant() )* ]
[ "," ]
[ ";" ( ClassOrInterfaceBodyDeclaration() )* ]
"}"
}
void EnumConstant():
{}
{
Modifiers() JavaIdentifier() [ Arguments() ] [ ClassOrInterfaceBody() ]
}
void TypeParameters():
{}
{
"<" TypeParameter() ( "," TypeParameter() )* ">"
}
void TypeParameter():
{}
{
JavaIdentifier() [ TypeBound() ]
}
void TypeBound():
{}
{
"extends" ClassOrInterfaceType() ( "&" ClassOrInterfaceType() )*
}
void ClassOrInterfaceBody():
/*
* Parsing this fills "tokens" with all tokens of the block
* excluding the braces at each end.
*/
{}
{
"{"
( ClassOrInterfaceBodyDeclaration() )*
"}"
}
void ClassOrInterfaceBodyDeclaration():
{}
{
LOOKAHEAD(2)
Initializer()
|
Modifiers() // Just get all the modifiers out of the way. If you want to do
// more checks, pass the modifiers down to the member
(
ClassOrInterfaceDeclaration()
|
EnumDeclaration()
|
LOOKAHEAD( [ TypeParameters() ] JavaIdentifier() "(" )
ConstructorDeclaration()
|
LOOKAHEAD( Type() JavaIdentifier() ( "[" "]" )* ( "," | "=" | ";" ) )
FieldDeclaration()
|
MethodDeclaration()
)
|
";"
}
void FieldDeclaration():
{}
{
// Modifiers are already matched in the caller
Type() VariableDeclarator() ( "," VariableDeclarator() )* ";"
}
void VariableDeclarator():
{}
{
VariableDeclaratorId() [ "=" VariableInitializer() ]
}
void VariableDeclaratorId():
{}
{
JavaIdentifier() ( "[" "]" )*
}
void VariableInitializer():
{}
{
ArrayInitializer()
|
Expression()
}
void ArrayInitializer():
{}
{
"{" [ VariableInitializer() ( LOOKAHEAD(2) "," VariableInitializer() )* ] [ "," ] "}"
}
void MethodDeclaration():
{}
{
// Modifiers already matched in the caller!
[ TypeParameters() ]
ResultType()
MethodDeclarator() [ "throws" NameList() ]
( Block() | ";" )
}
void MethodDeclarator():
{}
{
JavaIdentifier() FormalParameters() ( "[" "]" )*
}
void FormalParameters() :
/*
* Parsing this fills "tokens" with all tokens of the formal
* parameters excluding the parentheses at each end.
*/
{}
{
"("
[ FormalParameter() ( "," FormalParameter() )* ]
")"
}
void FormalParameter():
{}
{
Modifiers() Type() [ "..." ] VariableDeclaratorId()
}
void ConstructorDeclaration():
{}
{
[ TypeParameters() ]
// Modifiers matched in the caller
JavaIdentifier() FormalParameters() [ "throws" NameList() ]
"{"
[ LOOKAHEAD(ExplicitConstructorInvocation()) ExplicitConstructorInvocation() ]
( BlockStatement() )*
"}"
}
void ExplicitConstructorInvocation():
{}
{
LOOKAHEAD("this" Arguments() ";")
"this" Arguments() ";"
|
[ LOOKAHEAD(2) PrimaryExpression() "." ] "super" Arguments() ";"
}
void Initializer():
{}
{
[ "static" ] Block()
}
/*
* Type, name and expression syntax follows.
*/
void Type():
{}
{
LOOKAHEAD(2) ReferenceType()
|
PrimitiveType()
}
void ReferenceType():
{}
{
PrimitiveType() ( LOOKAHEAD(2) "[" "]" )+
|
( ClassOrInterfaceType() ) ( LOOKAHEAD(2) "[" "]" )*
}
void ClassOrInterfaceType():
{}
{
JavaIdentifier() [ LOOKAHEAD(2) TypeArguments() ]
( LOOKAHEAD(2) "." JavaIdentifier() [ LOOKAHEAD(2) TypeArguments() ] )*
}
void TypeArguments():
{}
{
"<" TypeArgument() ( "," TypeArgument() )* ">"
}
void TypeArgument():
{}
{
ReferenceType()
|
"?" [ WildcardBounds() ]
}
void WildcardBounds():
{}
{
"extends" ReferenceType()
|
"super" ReferenceType()
}
void PrimitiveType():
{}
{
"boolean"
|
"char"
|
"byte"
|
"short"
|
"int"
|
"long"
|
"float"
|
"double"
}
void ResultType() :
{}
{
(
"void"
|
Type()
)
}
String Name() :
/*
* A lookahead of 2 is required below since "Name" can be followed
* by a ".*" when used in the context of an "ImportDeclaration".
*/
{
String s, ss;
}
{
s=JavaIdentifier()
( LOOKAHEAD(2) "." ss=JavaIdentifier() { s += "." + ss; } )*
{
return s;
}
}
void NameList():
{}
{
Name() ( "," Name() )*
}
/*
* Expression syntax follows.
*/
void Expression() :
/*
* This expansion has been written this way instead of:
* Assignment() | ConditionalExpression()
* for performance reasons.
* However, it is a weakening of the grammar for it allows the LHS of
* assignments to be any conditional expression whereas it can only be
* a primary expression. Consider adding a semantic predicate to work
* around this.
*/
{}
{
ConditionalExpression()
[
LOOKAHEAD(2)
AssignmentOperator() Expression()
]
}
void AssignmentOperator():
{}
{
"=" | "*=" | "/=" | "%=" | "+=" | "-=" | "<<=" | ">>=" | ">>>=" | "&=" | "^=" | "|="
}
void ConditionalExpression():
{}
{
ConditionalOrExpression() [ "?" Expression() ":" Expression() ]
}
void ConditionalOrExpression():
{}
{
ConditionalAndExpression() ( "||" ConditionalAndExpression() )*
}
void ConditionalAndExpression():
{}
{
InclusiveOrExpression() ( "&&" InclusiveOrExpression() )*
}
void InclusiveOrExpression():
{}
{
ExclusiveOrExpression() ( "|" ExclusiveOrExpression() )*
}
void ExclusiveOrExpression():
{}
{
AndExpression() ( "^" AndExpression() )*
}
void AndExpression():
{}
{
EqualityExpression() ( "&" EqualityExpression() )*
}
void EqualityExpression():
{}
{
InstanceOfExpression() ( ( "==" | "!=" ) InstanceOfExpression() )*
}
void InstanceOfExpression():
{}
{
RelationalExpression() [ "instanceof" Type() ]
}
void RelationalExpression():
{}
{
ShiftExpression() ( ( "<" | ">" | "<=" | ">=" ) ShiftExpression() )*
}
void ShiftExpression():
{}
{
AdditiveExpression() ( ( "<<" | RSIGNEDSHIFT() | RUNSIGNEDSHIFT() ) AdditiveExpression() )*
}
void AdditiveExpression():
{}
{
MultiplicativeExpression() ( ( "+" | "-" ) MultiplicativeExpression() )*
}
void MultiplicativeExpression():
{}
{
UnaryExpression() ( ( "*" | "/" | "%" ) UnaryExpression() )*
}
void UnaryExpression():
{}
{
( "+" | "-" ) UnaryExpression()
|
PreIncrementExpression()
|
PreDecrementExpression()
|
UnaryExpressionNotPlusMinus()
}
void PreIncrementExpression():
{}
{
"++" PrimaryExpression()
}
void PreDecrementExpression():
{}
{
"--" PrimaryExpression()
}
void UnaryExpressionNotPlusMinus():
{}
{
( "~" | "!" ) UnaryExpression()
|
LOOKAHEAD( CastLookahead() )
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.
void CastLookahead():
{}
{
LOOKAHEAD(2)
"(" PrimitiveType()
|
LOOKAHEAD("(" Type() "[")
"(" Type() "[" "]"
|
"(" Type() ")" ( "~" | "!" | "(" | JavaIdentifier() | "this" | "super" | "new" | Literal() )
}
void PostfixExpression():
{}
{
PrimaryExpression() [ "++" | "--" ]
}
void CastExpression():
{}
{
LOOKAHEAD("(" PrimitiveType())
"(" Type() ")" UnaryExpression()
|
"(" Type() ")" UnaryExpressionNotPlusMinus()
}
void PrimaryExpression() #PrimaryExpression:
{}
{
PrimaryPrefix() ( LOOKAHEAD(2) PrimarySuffix() )*
}
void MemberSelector():
{}
{
"." TypeArguments() JavaIdentifier()
}
void PrimaryPrefix():
{}
{
Literal()
|
"this"
|
"super" "." JavaIdentifier()
|
"(" Expression() ")"
|
AllocationExpression()
|
LOOKAHEAD( ResultType() "." "class" )
ResultType() "." "class"
|
Name()
}
void PrimarySuffix():
{}
{
LOOKAHEAD(2)
"." "this"
|
LOOKAHEAD(2)
"." AllocationExpression()
|
LOOKAHEAD(3)
MemberSelector()
|
"[" Expression() "]"
|
"." JavaIdentifier()
|
Arguments()
}
void Literal():
{}
{
|
|
|
|
BooleanLiteral()
|
NullLiteral()
}
Token IntegerLiteral() :
{
Token t;
}
{
t=
{
return t;
}
}
Token BooleanLiteral() :
{
Token t;
}
{
t="true"
{
return t;
}
|
t="false"
{
return t;
}
}
Token StringLiteral() :
{
Token t;
}
{
t=
{
return t;
}
}
void NullLiteral() :
{}
{
"null"
}
void Arguments() :
/*
* Parsing this fills "tokens" with all tokens of the arguments
* excluding the parentheses at each end.
*/
{}
{
"("
[ ArgumentList() ]
")"
}
void ArgumentList():
{}
{
Expression() ( "," Expression() )*
}
void AllocationExpression():
{}
{
LOOKAHEAD(2)
"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 "[...]".
*/
void ArrayDimsAndInits():
{}
{
LOOKAHEAD(2)
( LOOKAHEAD(2) "[" Expression() "]" )+ ( LOOKAHEAD(2) "[" "]" )*
|
( "[" "]" )+ ArrayInitializer()
}
/*
* Statement syntax follows.
*/
void Statement():
{}
{
LOOKAHEAD(2)
LabeledStatement()
|
AssertStatement()
|
Block()
|
EmptyStatement()
|
StatementExpression() ";"
|
SwitchStatement()
|
IfStatement()
|
WhileStatement()
|
DoStatement()
|
ForStatement()
|
BreakStatement()
|
ContinueStatement()
|
ReturnStatement()
|
ThrowStatement()
|
SynchronizedStatement()
|
TryStatement()
}
void AssertStatement():
{}
{
"assert" Expression() [ ":" Expression() ] ";"
}
void LabeledStatement():
{}
{
JavaIdentifier() ":" Statement()
}
void Block() :
/*
* Parsing this fills "tokens" with all tokens of the block
* excluding the braces at each end.
*/
{}
{
"{"
{
if (!isJavaLanguage) {
eatUptoCloseBrace();
}
}
( BlockStatement() )*
"}"
}
void BlockStatement():
{}
{
LOOKAHEAD( Modifiers() Type() JavaIdentifier() )
LocalVariableDeclaration() ";"
|
Statement()
|
ClassOrInterfaceDeclaration( )
}
void LocalVariableDeclaration():
{}
{
Modifiers() Type() VariableDeclarator() ( "," VariableDeclarator() )*
}
void EmptyStatement():
{}
{
";"
}
void StatementExpression():
/*
* The last expansion of this production accepts more than the legal
* Java expansions for StatementExpression. This expansion does not
* use PostfixExpression for performance reasons.
*/
{}
{
PreIncrementExpression()
|
PreDecrementExpression()
|
PrimaryExpression()
[
"++"
|
"--"
|
AssignmentOperator() Expression()
]
}
void SwitchStatement():
{}
{
"switch" "(" Expression() ")" "{"
( SwitchLabel() ( BlockStatement() )* )*
"}"
}
void SwitchLabel():
{}
{
"case" Expression() ":"
|
"default" ":"
}
void IfStatement():
/*
* The disambiguating algorithm of JavaCC automatically binds dangling
* else's to the innermost if statement. The LOOKAHEAD specification
* is to tell JavaCC that we know what we are doing.
*/
{}
{
"if" "(" Expression() ")" Statement() [ LOOKAHEAD(1) "else" Statement() ]
}
void WhileStatement():
{}
{
"while" "(" Expression() ")" Statement()
}
void DoStatement():
{}
{
"do" Statement() "while" "(" Expression() ")" ";"
}
void ForStatement():
{}
{
"for" "("
(
LOOKAHEAD(Modifiers() Type() JavaIdentifier() ":")
Modifiers() Type() JavaIdentifier() ":" Expression()
|
[ ForInit() ] ";" [ Expression() ] ";" [ ForUpdate() ]
)
")" Statement()
}
void ForInit():
{}
{
LOOKAHEAD( Modifiers() Type() JavaIdentifier() )
LocalVariableDeclaration()
|
StatementExpressionList()
}
void StatementExpressionList():
{}
{
StatementExpression() ( "," StatementExpression() )*
}
void ForUpdate():
{}
{
StatementExpressionList()
}
void BreakStatement():
{}
{
"break" [ JavaIdentifier() ] ";"
}
void ContinueStatement():
{}
{
"continue" [ JavaIdentifier() ] ";"
}
void ReturnStatement() :
{}
{
"return" [ Expression() ] ";"
}
void ThrowStatement() :
{}
{
"throw" Expression() ";"
}
void SynchronizedStatement():
{}
{
"synchronized" "(" Expression() ")" Block()
}
void TryStatement():
/*
* Semantic check required here to make sure that at least one
* finally/catch is present.
*/
{}
{
"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
*/
void RUNSIGNEDSHIFT():
{}
{
( LOOKAHEAD({ getToken(1).kind == GT &&
((Token.GTToken)getToken(1)).realKind == RUNSIGNEDSHIFT} )
">" ">" ">"
)
}
void RSIGNEDSHIFT():
{}
{
( LOOKAHEAD({ getToken(1).kind == GT &&
((Token.GTToken)getToken(1)).realKind == RSIGNEDSHIFT} )
">" ">"
)
}
/* Annotation syntax follows. */
void Annotation():
{}
{
LOOKAHEAD( "@" Name() "(" ( JavaIdentifier() "=" | ")" ))
NormalAnnotation()
|
LOOKAHEAD( "@" Name() "(" )
SingleMemberAnnotation()
|
MarkerAnnotation()
}
void NormalAnnotation():
{}
{
"@" Name() "(" [ MemberValuePairs() ] ")"
}
void MarkerAnnotation():
{}
{
"@" Name()
}
void SingleMemberAnnotation():
{}
{
"@" Name() "(" MemberValue() ")"
}
void MemberValuePairs():
{}
{
MemberValuePair() ( "," MemberValuePair() )*
}
void MemberValuePair():
{}
{
JavaIdentifier() "=" MemberValue()
}
void MemberValue():
{}
{
Annotation()
|
MemberValueArrayInitializer()
|
ConditionalExpression()
}
void MemberValueArrayInitializer():
{}
{
"{" MemberValue() ( LOOKAHEAD(2) "," MemberValue() )* [ "," ] "}"
}
/* Annotation Types. */
void AnnotationTypeDeclaration():
{}
{
"@" "interface" JavaIdentifier() AnnotationTypeBody()
}
void AnnotationTypeBody():
{}
{
"{" ( AnnotationTypeMemberDeclaration() )* "}"
}
void AnnotationTypeMemberDeclaration():
{}
{
Modifiers()
(
LOOKAHEAD(Type() JavaIdentifier() "(")
Type() JavaIdentifier() "(" ")" [ DefaultValue() ] ";"
|
ClassOrInterfaceDeclaration()
|
EnumDeclaration()
|
AnnotationTypeDeclaration()
|
FieldDeclaration()
)
|
( ";" )
}
void DefaultValue():
{}
{
"default" MemberValue()
}
/* IDENTIFIERS */
TOKEN :
{
< IDENTIFIER: ()* >
|
< #LETTER:
[ // all chars for which Character.isIdentifierStart is true
"$",
"A"-"Z",
"_",
"a"-"z",
"\u00a2"-"\u00a5",
"\u00aa",
"\u00b5",
"\u00ba",
"\u00c0"-"\u00d6",
"\u00d8"-"\u00f6",
"\u00f8"-"\u021f",
"\u0222"-"\u0233",
"\u0250"-"\u02ad",
"\u02b0"-"\u02b8",
"\u02bb"-"\u02c1",
"\u02d0"-"\u02d1",
"\u02e0"-"\u02e4",
"\u02ee",
"\u037a",
"\u0386",
"\u0388"-"\u038a",
"\u038c",
"\u038e"-"\u03a1",
"\u03a3"-"\u03ce",
"\u03d0"-"\u03d7",
"\u03da"-"\u03f3",
"\u0400"-"\u0481",
"\u048c"-"\u04c4",
"\u04c7"-"\u04c8",
"\u04cb"-"\u04cc",
"\u04d0"-"\u04f5",
"\u04f8"-"\u04f9",
"\u0531"-"\u0556",
"\u0559",
"\u0561"-"\u0587",
"\u05d0"-"\u05ea",
"\u05f0"-"\u05f2",
"\u0621"-"\u063a",
"\u0640"-"\u064a",
"\u0671"-"\u06d3",
"\u06d5",
"\u06e5"-"\u06e6",
"\u06fa"-"\u06fc",
"\u0710",
"\u0712"-"\u072c",
"\u0780"-"\u07a5",
"\u0905"-"\u0939",
"\u093d",
"\u0950",
"\u0958"-"\u0961",
"\u0985"-"\u098c",
"\u098f"-"\u0990",
"\u0993"-"\u09a8",
"\u09aa"-"\u09b0",
"\u09b2",
"\u09b6"-"\u09b9",
"\u09dc"-"\u09dd",
"\u09df"-"\u09e1",
"\u09f0"-"\u09f3",
"\u0a05"-"\u0a0a",
"\u0a0f"-"\u0a10",
"\u0a13"-"\u0a28",
"\u0a2a"-"\u0a30",
"\u0a32"-"\u0a33",
"\u0a35"-"\u0a36",
"\u0a38"-"\u0a39",
"\u0a59"-"\u0a5c",
"\u0a5e",
"\u0a72"-"\u0a74",
"\u0a85"-"\u0a8b",
"\u0a8d",
"\u0a8f"-"\u0a91",
"\u0a93"-"\u0aa8",
"\u0aaa"-"\u0ab0",
"\u0ab2"-"\u0ab3",
"\u0ab5"-"\u0ab9",
"\u0abd",
"\u0ad0",
"\u0ae0",
"\u0b05"-"\u0b0c",
"\u0b0f"-"\u0b10",
"\u0b13"-"\u0b28",
"\u0b2a"-"\u0b30",
"\u0b32"-"\u0b33",
"\u0b36"-"\u0b39",
"\u0b3d",
"\u0b5c"-"\u0b5d",
"\u0b5f"-"\u0b61",
"\u0b85"-"\u0b8a",
"\u0b8e"-"\u0b90",
"\u0b92"-"\u0b95",
"\u0b99"-"\u0b9a",
"\u0b9c",
"\u0b9e"-"\u0b9f",
"\u0ba3"-"\u0ba4",
"\u0ba8"-"\u0baa",
"\u0bae"-"\u0bb5",
"\u0bb7"-"\u0bb9",
"\u0c05"-"\u0c0c",
"\u0c0e"-"\u0c10",
"\u0c12"-"\u0c28",
"\u0c2a"-"\u0c33",
"\u0c35"-"\u0c39",
"\u0c60"-"\u0c61",
"\u0c85"-"\u0c8c",
"\u0c8e"-"\u0c90",
"\u0c92"-"\u0ca8",
"\u0caa"-"\u0cb3",
"\u0cb5"-"\u0cb9",
"\u0cde",
"\u0ce0"-"\u0ce1",
"\u0d05"-"\u0d0c",
"\u0d0e"-"\u0d10",
"\u0d12"-"\u0d28",
"\u0d2a"-"\u0d39",
"\u0d60"-"\u0d61",
"\u0d85"-"\u0d96",
"\u0d9a"-"\u0db1",
"\u0db3"-"\u0dbb",
"\u0dbd",
"\u0dc0"-"\u0dc6",
"\u0e01"-"\u0e30",
"\u0e32"-"\u0e33",
"\u0e3f"-"\u0e46",
"\u0e81"-"\u0e82",
"\u0e84",
"\u0e87"-"\u0e88",
"\u0e8a",
"\u0e8d",
"\u0e94"-"\u0e97",
"\u0e99"-"\u0e9f",
"\u0ea1"-"\u0ea3",
"\u0ea5",
"\u0ea7",
"\u0eaa"-"\u0eab",
"\u0ead"-"\u0eb0",
"\u0eb2"-"\u0eb3",
"\u0ebd",
"\u0ec0"-"\u0ec4",
"\u0ec6",
"\u0edc"-"\u0edd",
"\u0f00",
"\u0f40"-"\u0f47",
"\u0f49"-"\u0f6a",
"\u0f88"-"\u0f8b",
"\u1000"-"\u1021",
"\u1023"-"\u1027",
"\u1029"-"\u102a",
"\u1050"-"\u1055",
"\u10a0"-"\u10c5",
"\u10d0"-"\u10f6",
"\u1100"-"\u1159",
"\u115f"-"\u11a2",
"\u11a8"-"\u11f9",
"\u1200"-"\u1206",
"\u1208"-"\u1246",
"\u1248",
"\u124a"-"\u124d",
"\u1250"-"\u1256",
"\u1258",
"\u125a"-"\u125d",
"\u1260"-"\u1286",
"\u1288",
"\u128a"-"\u128d",
"\u1290"-"\u12ae",
"\u12b0",
"\u12b2"-"\u12b5",
"\u12b8"-"\u12be",
"\u12c0",
"\u12c2"-"\u12c5",
"\u12c8"-"\u12ce",
"\u12d0"-"\u12d6",
"\u12d8"-"\u12ee",
"\u12f0"-"\u130e",
"\u1310",
"\u1312"-"\u1315",
"\u1318"-"\u131e",
"\u1320"-"\u1346",
"\u1348"-"\u135a",
"\u13a0"-"\u13f4",
"\u1401"-"\u166c",
"\u166f"-"\u1676",
"\u1681"-"\u169a",
"\u16a0"-"\u16ea",
"\u1780"-"\u17b3",
"\u17db",
"\u1820"-"\u1877",
"\u1880"-"\u18a8",
"\u1e00"-"\u1e9b",
"\u1ea0"-"\u1ef9",
"\u1f00"-"\u1f15",
"\u1f18"-"\u1f1d",
"\u1f20"-"\u1f45",
"\u1f48"-"\u1f4d",
"\u1f50"-"\u1f57",
"\u1f59",
"\u1f5b",
"\u1f5d",
"\u1f5f"-"\u1f7d",
"\u1f80"-"\u1fb4",
"\u1fb6"-"\u1fbc",
"\u1fbe",
"\u1fc2"-"\u1fc4",
"\u1fc6"-"\u1fcc",
"\u1fd0"-"\u1fd3",
"\u1fd6"-"\u1fdb",
"\u1fe0"-"\u1fec",
"\u1ff2"-"\u1ff4",
"\u1ff6"-"\u1ffc",
"\u203f"-"\u2040",
"\u207f",
"\u20a0"-"\u20af",
"\u2102",
"\u2107",
"\u210a"-"\u2113",
"\u2115",
"\u2119"-"\u211d",
"\u2124",
"\u2126",
"\u2128",
"\u212a"-"\u212d",
"\u212f"-"\u2131",
"\u2133"-"\u2139",
"\u2160"-"\u2183",
"\u3005"-"\u3007",
"\u3021"-"\u3029",
"\u3031"-"\u3035",
"\u3038"-"\u303a",
"\u3041"-"\u3094",
"\u309d"-"\u309e",
"\u30a1"-"\u30fe",
"\u3105"-"\u312c",
"\u3131"-"\u318e",
"\u31a0"-"\u31b7",
"\u3400"-"\u4db5",
"\u4e00"-"\u9fa5",
"\ua000"-"\ua48c",
"\uac00"-"\ud7a3",
"\uf900"-"\ufa2d",
"\ufb00"-"\ufb06",
"\ufb13"-"\ufb17",
"\ufb1d",
"\ufb1f"-"\ufb28",
"\ufb2a"-"\ufb36",
"\ufb38"-"\ufb3c",
"\ufb3e",
"\ufb40"-"\ufb41",
"\ufb43"-"\ufb44",
"\ufb46"-"\ufbb1",
"\ufbd3"-"\ufd3d",
"\ufd50"-"\ufd8f",
"\ufd92"-"\ufdc7",
"\ufdf0"-"\ufdfb",
"\ufe33"-"\ufe34",
"\ufe4d"-"\ufe4f",
"\ufe69",
"\ufe70"-"\ufe72",
"\ufe74",
"\ufe76"-"\ufefc",
"\uff04",
"\uff21"-"\uff3a",
"\uff3f",
"\uff41"-"\uff5a",
"\uff65"-"\uffbe",
"\uffc2"-"\uffc7",
"\uffca"-"\uffcf",
"\uffd2"-"\uffd7",
"\uffda"-"\uffdc",
"\uffe0"-"\uffe1",
"\uffe5"-"\uffe6"
]
>
|
< #PART_LETTER:
[ // all chars for which Character.isIdentifierPart is true
"\u0000"-"\u0008",
"\u000e"-"\u001b",
"$",
"0"-"9",
"A"-"Z",
"_",
"a"-"z",
"\u007f"-"\u009f",
"\u00a2"-"\u00a5",
"\u00aa",
"\u00b5",
"\u00ba",
"\u00c0"-"\u00d6",
"\u00d8"-"\u00f6",
"\u00f8"-"\u021f",
"\u0222"-"\u0233",
"\u0250"-"\u02ad",
"\u02b0"-"\u02b8",
"\u02bb"-"\u02c1",
"\u02d0"-"\u02d1",
"\u02e0"-"\u02e4",
"\u02ee",
"\u0300"-"\u034e",
"\u0360"-"\u0362",
"\u037a",
"\u0386",
"\u0388"-"\u038a",
"\u038c",
"\u038e"-"\u03a1",
"\u03a3"-"\u03ce",
"\u03d0"-"\u03d7",
"\u03da"-"\u03f3",
"\u0400"-"\u0481",
"\u0483"-"\u0486",
"\u048c"-"\u04c4",
"\u04c7"-"\u04c8",
"\u04cb"-"\u04cc",
"\u04d0"-"\u04f5",
"\u04f8"-"\u04f9",
"\u0531"-"\u0556",
"\u0559",
"\u0561"-"\u0587",
"\u0591"-"\u05a1",
"\u05a3"-"\u05b9",
"\u05bb"-"\u05bd",
"\u05bf",
"\u05c1"-"\u05c2",
"\u05c4",
"\u05d0"-"\u05ea",
"\u05f0"-"\u05f2",
"\u0621"-"\u063a",
"\u0640"-"\u0655",
"\u0660"-"\u0669",
"\u0670"-"\u06d3",
"\u06d5"-"\u06dc",
"\u06df"-"\u06e8",
"\u06ea"-"\u06ed",
"\u06f0"-"\u06fc",
"\u070f"-"\u072c",
"\u0730"-"\u074a",
"\u0780"-"\u07b0",
"\u0901"-"\u0903",
"\u0905"-"\u0939",
"\u093c"-"\u094d",
"\u0950"-"\u0954",
"\u0958"-"\u0963",
"\u0966"-"\u096f",
"\u0981"-"\u0983",
"\u0985"-"\u098c",
"\u098f"-"\u0990",
"\u0993"-"\u09a8",
"\u09aa"-"\u09b0",
"\u09b2",
"\u09b6"-"\u09b9",
"\u09bc",
"\u09be"-"\u09c4",
"\u09c7"-"\u09c8",
"\u09cb"-"\u09cd",
"\u09d7",
"\u09dc"-"\u09dd",
"\u09df"-"\u09e3",
"\u09e6"-"\u09f3",
"\u0a02",
"\u0a05"-"\u0a0a",
"\u0a0f"-"\u0a10",
"\u0a13"-"\u0a28",
"\u0a2a"-"\u0a30",
"\u0a32"-"\u0a33",
"\u0a35"-"\u0a36",
"\u0a38"-"\u0a39",
"\u0a3c",
"\u0a3e"-"\u0a42",
"\u0a47"-"\u0a48",
"\u0a4b"-"\u0a4d",
"\u0a59"-"\u0a5c",
"\u0a5e",
"\u0a66"-"\u0a74",
"\u0a81"-"\u0a83",
"\u0a85"-"\u0a8b",
"\u0a8d",
"\u0a8f"-"\u0a91",
"\u0a93"-"\u0aa8",
"\u0aaa"-"\u0ab0",
"\u0ab2"-"\u0ab3",
"\u0ab5"-"\u0ab9",
"\u0abc"-"\u0ac5",
"\u0ac7"-"\u0ac9",
"\u0acb"-"\u0acd",
"\u0ad0",
"\u0ae0",
"\u0ae6"-"\u0aef",
"\u0b01"-"\u0b03",
"\u0b05"-"\u0b0c",
"\u0b0f"-"\u0b10",
"\u0b13"-"\u0b28",
"\u0b2a"-"\u0b30",
"\u0b32"-"\u0b33",
"\u0b36"-"\u0b39",
"\u0b3c"-"\u0b43",
"\u0b47"-"\u0b48",
"\u0b4b"-"\u0b4d",
"\u0b56"-"\u0b57",
"\u0b5c"-"\u0b5d",
"\u0b5f"-"\u0b61",
"\u0b66"-"\u0b6f",
"\u0b82"-"\u0b83",
"\u0b85"-"\u0b8a",
"\u0b8e"-"\u0b90",
"\u0b92"-"\u0b95",
"\u0b99"-"\u0b9a",
"\u0b9c",
"\u0b9e"-"\u0b9f",
"\u0ba3"-"\u0ba4",
"\u0ba8"-"\u0baa",
"\u0bae"-"\u0bb5",
"\u0bb7"-"\u0bb9",
"\u0bbe"-"\u0bc2",
"\u0bc6"-"\u0bc8",
"\u0bca"-"\u0bcd",
"\u0bd7",
"\u0be7"-"\u0bef",
"\u0c01"-"\u0c03",
"\u0c05"-"\u0c0c",
"\u0c0e"-"\u0c10",
"\u0c12"-"\u0c28",
"\u0c2a"-"\u0c33",
"\u0c35"-"\u0c39",
"\u0c3e"-"\u0c44",
"\u0c46"-"\u0c48",
"\u0c4a"-"\u0c4d",
"\u0c55"-"\u0c56",
"\u0c60"-"\u0c61",
"\u0c66"-"\u0c6f",
"\u0c82"-"\u0c83",
"\u0c85"-"\u0c8c",
"\u0c8e"-"\u0c90",
"\u0c92"-"\u0ca8",
"\u0caa"-"\u0cb3",
"\u0cb5"-"\u0cb9",
"\u0cbe"-"\u0cc4",
"\u0cc6"-"\u0cc8",
"\u0cca"-"\u0ccd",
"\u0cd5"-"\u0cd6",
"\u0cde",
"\u0ce0"-"\u0ce1",
"\u0ce6"-"\u0cef",
"\u0d02"-"\u0d03",
"\u0d05"-"\u0d0c",
"\u0d0e"-"\u0d10",
"\u0d12"-"\u0d28",
"\u0d2a"-"\u0d39",
"\u0d3e"-"\u0d43",
"\u0d46"-"\u0d48",
"\u0d4a"-"\u0d4d",
"\u0d57",
"\u0d60"-"\u0d61",
"\u0d66"-"\u0d6f",
"\u0d82"-"\u0d83",
"\u0d85"-"\u0d96",
"\u0d9a"-"\u0db1",
"\u0db3"-"\u0dbb",
"\u0dbd",
"\u0dc0"-"\u0dc6",
"\u0dca",
"\u0dcf"-"\u0dd4",
"\u0dd6",
"\u0dd8"-"\u0ddf",
"\u0df2"-"\u0df3",
"\u0e01"-"\u0e3a",
"\u0e3f"-"\u0e4e",
"\u0e50"-"\u0e59",
"\u0e81"-"\u0e82",
"\u0e84",
"\u0e87"-"\u0e88",
"\u0e8a",
"\u0e8d",
"\u0e94"-"\u0e97",
"\u0e99"-"\u0e9f",
"\u0ea1"-"\u0ea3",
"\u0ea5",
"\u0ea7",
"\u0eaa"-"\u0eab",
"\u0ead"-"\u0eb9",
"\u0ebb"-"\u0ebd",
"\u0ec0"-"\u0ec4",
"\u0ec6",
"\u0ec8"-"\u0ecd",
"\u0ed0"-"\u0ed9",
"\u0edc"-"\u0edd",
"\u0f00",
"\u0f18"-"\u0f19",
"\u0f20"-"\u0f29",
"\u0f35",
"\u0f37",
"\u0f39",
"\u0f3e"-"\u0f47",
"\u0f49"-"\u0f6a",
"\u0f71"-"\u0f84",
"\u0f86"-"\u0f8b",
"\u0f90"-"\u0f97",
"\u0f99"-"\u0fbc",
"\u0fc6",
"\u1000"-"\u1021",
"\u1023"-"\u1027",
"\u1029"-"\u102a",
"\u102c"-"\u1032",
"\u1036"-"\u1039",
"\u1040"-"\u1049",
"\u1050"-"\u1059",
"\u10a0"-"\u10c5",
"\u10d0"-"\u10f6",
"\u1100"-"\u1159",
"\u115f"-"\u11a2",
"\u11a8"-"\u11f9",
"\u1200"-"\u1206",
"\u1208"-"\u1246",
"\u1248",
"\u124a"-"\u124d",
"\u1250"-"\u1256",
"\u1258",
"\u125a"-"\u125d",
"\u1260"-"\u1286",
"\u1288",
"\u128a"-"\u128d",
"\u1290"-"\u12ae",
"\u12b0",
"\u12b2"-"\u12b5",
"\u12b8"-"\u12be",
"\u12c0",
"\u12c2"-"\u12c5",
"\u12c8"-"\u12ce",
"\u12d0"-"\u12d6",
"\u12d8"-"\u12ee",
"\u12f0"-"\u130e",
"\u1310",
"\u1312"-"\u1315",
"\u1318"-"\u131e",
"\u1320"-"\u1346",
"\u1348"-"\u135a",
"\u1369"-"\u1371",
"\u13a0"-"\u13f4",
"\u1401"-"\u166c",
"\u166f"-"\u1676",
"\u1681"-"\u169a",
"\u16a0"-"\u16ea",
"\u1780"-"\u17d3",
"\u17db",
"\u17e0"-"\u17e9",
"\u180b"-"\u180e",
"\u1810"-"\u1819",
"\u1820"-"\u1877",
"\u1880"-"\u18a9",
"\u1e00"-"\u1e9b",
"\u1ea0"-"\u1ef9",
"\u1f00"-"\u1f15",
"\u1f18"-"\u1f1d",
"\u1f20"-"\u1f45",
"\u1f48"-"\u1f4d",
"\u1f50"-"\u1f57",
"\u1f59",
"\u1f5b",
"\u1f5d",
"\u1f5f"-"\u1f7d",
"\u1f80"-"\u1fb4",
"\u1fb6"-"\u1fbc",
"\u1fbe",
"\u1fc2"-"\u1fc4",
"\u1fc6"-"\u1fcc",
"\u1fd0"-"\u1fd3",
"\u1fd6"-"\u1fdb",
"\u1fe0"-"\u1fec",
"\u1ff2"-"\u1ff4",
"\u1ff6"-"\u1ffc",
"\u200c"-"\u200f",
"\u202a"-"\u202e",
"\u203f"-"\u2040",
"\u206a"-"\u206f",
"\u207f",
"\u20a0"-"\u20af",
"\u20d0"-"\u20dc",
"\u20e1",
"\u2102",
"\u2107",
"\u210a"-"\u2113",
"\u2115",
"\u2119"-"\u211d",
"\u2124",
"\u2126",
"\u2128",
"\u212a"-"\u212d",
"\u212f"-"\u2131",
"\u2133"-"\u2139",
"\u2160"-"\u2183",
"\u3005"-"\u3007",
"\u3021"-"\u302f",
"\u3031"-"\u3035",
"\u3038"-"\u303a",
"\u3041"-"\u3094",
"\u3099"-"\u309a",
"\u309d"-"\u309e",
"\u30a1"-"\u30fe",
"\u3105"-"\u312c",
"\u3131"-"\u318e",
"\u31a0"-"\u31b7",
"\u3400"-"\u4db5",
"\u4e00"-"\u9fa5",
"\ua000"-"\ua48c",
"\uac00"-"\ud7a3",
"\uf900"-"\ufa2d",
"\ufb00"-"\ufb06",
"\ufb13"-"\ufb17",
"\ufb1d"-"\ufb28",
"\ufb2a"-"\ufb36",
"\ufb38"-"\ufb3c",
"\ufb3e",
"\ufb40"-"\ufb41",
"\ufb43"-"\ufb44",
"\ufb46"-"\ufbb1",
"\ufbd3"-"\ufd3d",
"\ufd50"-"\ufd8f",
"\ufd92"-"\ufdc7",
"\ufdf0"-"\ufdfb",
"\ufe20"-"\ufe23",
"\ufe33"-"\ufe34",
"\ufe4d"-"\ufe4f",
"\ufe69",
"\ufe70"-"\ufe72",
"\ufe74",
"\ufe76"-"\ufefc",
"\ufeff",
"\uff04",
"\uff10"-"\uff19",
"\uff21"-"\uff3a",
"\uff3f",
"\uff41"-"\uff5a",
"\uff65"-"\uffbe",
"\uffc2"-"\uffc7",
"\uffca"-"\uffcf",
"\uffd2"-"\uffd7",
"\uffda"-"\uffdc",
"\uffe0"-"\uffe1",
"\uffe5"-"\uffe6",
"\ufff9"-"\ufffb"
]
>
}