[antlr-interest] Are token aliases possible?

[Christian]

Sorry, I don't get what you intent with your statement. Should I better
use rewrite rules instead? I also do not know what you mean with "factor
qualifiers". Could you please explain?

Am 28.10.2011 19:34, schrieb Jim Idle:
> Don't confuse real tokens with what you put in the tree. Just rewrite
> using an imaginary token once you disambiguate the declaration. Also, make
> sure that you left factor qualifiers and things like that. Also, remember
> that these are all type declarations. See here for some pointers:
>
> http://www.temporal-wave.com/index.php?option=com_psrrun&view=psrrun&Itemi
> d=58
>
>
>
> Jim
>
>> -----Original Message-----
>> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
>> bounces at antlr.org] On Behalf Of Christian
>> Sent: Friday, October 28, 2011 4:27 AM
>> Cc: antlr-interest at antlr.org
>> Subject: Re: [antlr-interest] Are token aliases possible?
>>
>> CLASS is only the token name. However, CLASS_DECL represents the
>> semantics of what was parsed. It allows to be more consequent when
>> analyzing the generated AST by names like CLASS_DECL, METHOD_DECL,
>> FIELD_DECL etc.
>>
>> Example:
>>
>> switch (node.getType()) {
>>    case CsRewriteRulesParser.NAMESPACE_DECL:
>>       // TODO
>>       break;
>>    case CsRewriteRulesParser.METHOD_DECL:
>>       // TODO
>>       break;
>>    case CsRewriteRulesParser.CLASS_DECL:
>>       // TODO
>>       break;
>> }
>>
>> It would be just another name for the integer constant CLASS.
>>
>> Am 28.10.2011 13:19, schrieb Sam Barnett-Cormack:
>>> I think the immediate answer is, "why?"
>>>
>>> On 28/10/2011 09:02, Christian wrote:
>>>> Hi community,
>>>>
>>>> if there is a real token, say
>>>>      CLASS : 'class';
>>>> can a define an alias, say
>>>>      CLASS_DECL = CLASS
>>>> in some way?
>>>>
>>>> Regards,
>>>> Christian
>>>>
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>>
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