Hello EveryOne, I have a problem while using generated parserlexer from
following grammar.while using parser it is giving exception while freeing
parser.please refer attached file herewith.ThanksAjit
Ajit V. Shinde
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Hello EveryOne,
I have a problem while using generated parserlexer from following grammar.
while using parser it is giving exception while freeing parser.
parser->free(parser);
following is the prototype grammer file. Is something wrong with grammar rule?
(i am importing all lexer rules from ExprLexerRules file)
I am able to generate LexerParser for following grammar.
Identifier used here is like ABD or BCG etc.
ex-pression like ABC += BCD
grammar ex-pression;
options
{
backtrack = true;
memoize = true;
k = 2;
language = C;
output = AST;
ASTLabelType = pANTLR3_BASE_TREE;
}
//importing already defined lexer and parser rules
import ExprLexerRules ;
operations
: binaryoperation?
;
binaryoperation
: binaryex-pression EOF
;
binaryex-pression
: LPAREN! Identifier (DIVIDEEQUAL | PLUSEQUAL | MINUSEQUAL | TIMESEQUAL)^
Identifier RPAREN!
;
DIVIDEEQUAL : '/=';
PLUSEQUAL : '+=';
MINUSEQUAL : '-=';
TIMESEQUAL : '*=';
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