[antlr-interest] Newbie: NoViableAltException

[Loring Craymer]

Your first input line is STRING STRING SEMI, not the
STRING SEMI expected by your grammar.  Fix
def_command.

--Loring

--- me 262 <me262c at gmail.com> wrote:

> Hi,
> 
>  I know this is very basic.  I am trying to parse
> the following two commands:
> 
>   mystr val;
>   val = wolf;
> 
>   I am getting NoViableAltException on the first
> line.
> 
>   The grammar looks like this:
> 
> 	command : (op_command) => op_command
> 	        | def_command
> 	    {#command = #([COMMAND, "COMMAND"],
> #command);};
> 	
> 	def_command : (	STRING SEMI!)
> 		{#def_command = #([DEFCOMMAND, "DEFCOMMAND"],
> #def_command);};
> 	
> 	op_command : ( STRING EQUALS! rhs SEMI!)
> 		{#op_command = #([OPCOMMAND, "OPCOMMAND"],
> #op_command);};	
> 
> Thanks in advance!
> 



       
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