@mike-lischke/antlr-tgen
Version:
A generator for antlr-ng runtime test cases
26 lines (20 loc) • 524 B
Plain Text
[type]
Parser
[grammar]
grammar T;
s : e {<writeln("$e.result")>} ;
e returns [<StringType()> result]
: ID '=' e1=e {$result = <AppendStr("\"(\"", AppendStr("$ID.text", AppendStr("\"=\"", AppendStr("$e1.result", "\")\""))))>;}
| ID {$result = $ID.text;}
| e1=e '+' e2=e {$result = <AppendStr("\"(\"", AppendStr("$e1.result", AppendStr("\"+\"", AppendStr("$e2.result", "\")\""))))>;}
;
ID : 'a'..'z'+ ;
INT : '0'..'9'+ ;
WS : (' '|'\n') -> skip ;
[start]
s
[input]
a+b
[output]
"""(a+b)
"""