Hello everyone, I'm new and looking for some assistance. Thanks for
your work on this awsome software.
Why I'm getting "FailedPredicateException" in both Antlr IDE and in
Eclipse interpreters? What does this mean?
Here is my input:
var byte test = 1234
Here is my grammer:
grammar test;
options
{
backtrack = true;
memoize = true;
language = C;
}
program : declaration;
declaration : (constant) | (variable);
constant : 'const' TYPE IDENTIFIER '=' expr;
variable : 'var' TYPE IDENTIFIER ('=' expr)?;
expr : '('? (NUMBER | IDENTIFIER) (OPERATOR (NUMBER | IDENTIFIER))?
')'?;
TYPE : ('bit' | 'byte' | 'word' | 'dword');
IDENTIFIER : ('a'..'z' | 'A'..'Z') ('a'..'z' | 'A'..'Z' | '0'..'9')*;
OPERATOR : '+' | '-' | '*' | '/';
NUMBER : ('0'..'9')+;
ARRAY : IDENTIFIER '[' * ']';
WS : ( '\t' | ' ' | '\r' | '\n'| '\u000C' ) + { $channel = HIDDEN; } ;
Thanks,
Matt.
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