Hello,
This pet project of mine requires that I can validate a command. The command is
of the form <command_name><command options>
My lexer consists of all the command names and options:
Ex:
CMD_CD : 'cd';
CMD_SHOW: 'show';
CMD_RESET: 'reset';
CMD_SET: 'set';
CMD_OPTION: '-all' | '-help';
TSEP: ' ' { SKIP(); };
The parser is defined as:
cmd_validate: (cmd)(CMD_OPTION);
cmd: CMD_CD | CMD_SHOW | CMD_RESET | CMD_SET;
For all valid inputs, the cmd_validate behaves properly.
On the ANTLRWorks, when I give a junk input say 'zee zee', the ANTLRWorks does
not generate any proper output and does not evn throw an exception.
Also, the C code generated hangs when given this input.
Can someone help me out on this?
Many thanks,
Swift.
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