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#if 0
// (Run through cpp -P -C first)
#endif
#define PACKAGE org.apache.jena.atlas.json.io.parserjavacc.javacc
#define CLASS JSON_Parser
#define PARSERBASE JSON_ParserBase
options
{
JAVA_UNICODE_ESCAPE = true ;
UNICODE_INPUT = false ;
STATIC = false ;
// DEBUG_PARSER = true ;
// DEBUG_TOKEN_MANAGER = true ;
}
PARSER_BEGIN(CLASS)
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package PACKAGE ;
public class CLASS extends PARSERBASE
{
}
PARSER_END(CLASS)
SKIP : { <" " | "\t" | "\n" | "\r" | "\f"> }
TOKEN: { <WS: " " | "\t" | "\n" | "\r" | "\f"> }
// Do \ u inside JavaCC??
//TOKEN [IGNORE_CASE] :
TOKEN :
{
<ECHAR: "\\" ( "t"|"b"|"n"|"r"|"f"|"\\"|"\""|"'") >
| < #QUOTE_3D: "\"\"\"">
| < #QUOTE_3S: "'''">
| < STRING_LITERAL1:
// Single quoted string
"'" ( (~["'","\\","\n","\r"]) | <ECHAR> )* "'" >
| < STRING_LITERAL2:
// Double quoted string
"\"" ( (~["\"","\\","\n","\r"]) | <ECHAR> )* "\"" >
| < STRING_LITERAL_LONG1:
<QUOTE_3S>
( ("'" | "''")? (~["'","\\"] | <ECHAR> ))*
<QUOTE_3S> >
| < STRING_LITERAL_LONG2:
<QUOTE_3D>
( ("\"" | "\"\"")? (~["\"","\\"] | <ECHAR> ))*
<QUOTE_3D> >
| < #DIGITS: (["0"-"9"])+>
| < INTEGER: <DIGITS> >
| < DECIMAL: ( <DIGITS> "." (<DIGITS>)* | "." <DIGITS> ) >
| < DOUBLE: // Required exponent.
(
(["0"-"9"])+ "." (["0"-"9"])* <EXPONENT>
| "." (["0"-"9"])+ (<EXPONENT>)
| (["0"-"9"])+ <EXPONENT>
)
>
| < POSITIVE_INTEGER: <PLUS> <INTEGER> >
| < POSITIVE_DECIMAL: <PLUS> <DECIMAL> >
| < POSITIVE_DOUBLE: <PLUS> <DOUBLE> >
| < NEGATIVE_INTEGER: <MINUS> <INTEGER> >
| < NEGATIVE_DECIMAL: <MINUS> <DECIMAL> >
| < NEGATIVE_DOUBLE: <MINUS> <DOUBLE> >
| < #EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
| <TRUE: "true">
| <FALSE: "false">
| <NULL: "null">
| < LBRACE: "{" >
| < RBRACE: "}" >
| < LBRACKET: "[" >
| < RBRACKET: "]" >
| < LPAREN: "(" >
| < RPAREN: ")" >
| <COMMA: "," >
| <COLON: ":" >
| <PLUS: "+" >
| <MINUS: "-" >
}
// ---- Parser entry points
void unit() : { Token t ; }
{
{ startParse(-1, -1) ; }
Object()
t = <EOF>
{ finishParse(t.beginLine, t.beginColumn) ; }
}
void any() : { Token t ; }
{
{ startParse(-1, -1) ; }
(Value())?
t = <EOF>
{ finishParse(t.beginLine, t.beginColumn) ; }
}
// ---- Structures
void Value() : {}
{
SimpleValue()
| Object()
| Array()
}
void Object() : { Token t ; }
{
t = <LBRACE>
{ startObject(t.beginLine, t.beginColumn) ; }
(Members(t))?
t = <RBRACE>
{ finishObject(t.beginLine, t.beginColumn); }
}
void Members(Token t) : { }
{
Pair(t)
(t = <COMMA> Pair(t))*
}
void Pair(Token t) : { }
{
{ startPair(t.beginLine, t.beginColumn) ; }
String()
t = <COLON>
{ keyPair(t.beginLine, t.beginColumn) ; }
Value()
{ finishPair(t.beginLine, t.beginColumn) ; }
}
void Array() : { Token t ; }
{
t = <LBRACKET>
{ startArray(t.beginLine, t.beginColumn) ; }
(Elements(t))?
t = <RBRACKET>
{ finishArray(t.beginLine, t.beginColumn) ; }
}
void Elements(Token t) : { }
{
ArrayValue(t.beginLine, t.beginColumn)
(t = <COMMA> ArrayValue(t.beginLine, t.beginColumn))*
}
void ArrayValue(long line, long col) : { }
{
Value() { element(line, col) ; }
}
// ----
void SimpleValue() : {}
{
String()
| Number()
| True()
| False()
| Null()
}
void Number() : { Token t ; }
{
t = <INTEGER> { valueInteger(t.image, t.beginLine, t.beginColumn) ; }
| t = <DECIMAL> { valueDecimal(t.image, t.beginLine, t.beginColumn) ; }
| t = <DOUBLE> { valueDouble(t.image, t.beginLine, t.beginColumn) ; }
| t = <POSITIVE_INTEGER> { valueInteger(t.image, t.beginLine, t.beginColumn) ; }
| t = <POSITIVE_DECIMAL> { valueDecimal(t.image, t.beginLine, t.beginColumn) ; }
| t = <POSITIVE_DOUBLE> { valueDouble(t.image, t.beginLine, t.beginColumn) ; }
| t = <NEGATIVE_INTEGER> { valueInteger(t.image, t.beginLine, t.beginColumn) ; }
| t = <NEGATIVE_DECIMAL> { valueDecimal(t.image, t.beginLine, t.beginColumn) ; }
| t = <NEGATIVE_DOUBLE> { valueDouble(t.image, t.beginLine, t.beginColumn) ; }
}
// Token to Java Object : These rules exist to inject the
// necessary Java objects and code for the tokens.
void String() : { Token t ; }
{
t = <STRING_LITERAL2> { valueString(t.image, t.beginLine, t.beginColumn); }
// <STRING>
}
void True() : { Token t ; }
{
t = <TRUE> { valueBoolean(true, t.beginLine, t.beginColumn) ; }
}
void False() : { Token t ; }
{
t = <FALSE> { valueBoolean(false, t.beginLine, t.beginColumn) ; }
}
void Null() : { Token t ; }
{
t = <NULL> { valueNull(t.beginLine, t.beginColumn) ; }
}
/*
# Local Variables:
# tab-width: 4
# indent-tabs-mode: nil
# comment-default-style: "//"
# End:
*/
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