Re: Incremental compilation (Larry Drebes)
Fri, 24 Jan 92 04:06:54 GMT

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Newsgroups: comp.compilers
From: (Larry Drebes)
Keywords: parse
Organization: Netcom - Online Communication Services (408 241-9760 guest)
References: 92-01-081
Date: Fri, 24 Jan 92 04:06:54 GMT

>From article 92-01-081, by (Steve Boswell):
> [re keeping tokenized source around] ...
> I was wondering if the time it took to do the token-wise diff was longer
> than the time it would take to re-parse the entire file.

I am doing something similar, but storing a hash on the previous lexical
stream ( minus tokens designated for comments). What I really need to know
is the change in the content of a single routine, therefore the basic parse
is still needed. For me the parsing has never been a bottleneck, its the
steps that follow; which can be minimized to just the routine(s) that have
been modified.


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