[m-rev.] for review: minor parser optimisation

[Peter Wang]

On 2008-05-27, Julien Fischer <juliensf at csse.unimelb.edu.au> wrote:
>>
>> -:- pred parser_get_token_context(token::out, token_context::out,
>> -    state(Ops, T)::in, state(Ops, T)::out) is semidet.
>> +:- pred parser_get_token_context(token, token_context,
>> +    state(Ops, T), state(Ops, T)).
>> +:- mode parser_get_token_context(in, out, in, out) is semidet.
>> +:- mode parser_get_token_context(out, out, in, out) is semidet.
>>
>> parser_get_token_context(Token, Context, ParserState0, ParserState) :-
>>     Tokens0 = parser_state_get_tokens_left(ParserState0),
>
> I suggest that you add a comment stating that the implied mode of these
> predicates is intentional (and why, i.e. what the log message says).

Done.  

>> PS. The problem I'm trying to solve is the reading of .analysis files.  When
>> making an .analysis file, reading in other analysis files can take nearly half
>> of the running time, mainly due to large structure sharing/reuse results.
>> Suggestions would be appreciated.

Turns out some of the results are 0.5 MB big.. 

Peter

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