Basic Lexing Question

Jon Forrest <nobozo@gmail.com>
Wed, 29 Jun 2022 10:11:54 -0700 (PDT)

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Basic Lexing Question nobozo@gmail.com (Jon Forrest) (2022-06-29)
Re: Basic Lexing Question gah4@u.washington.edu (gah4) (2022-06-29)
Re: Basic Lexing Question klammerj@a1.net (Johann Klammer) (2022-06-30)
Re: Basic Lexing Question 480-992-1380@kylheku.com (Kaz Kylheku) (2022-07-01)
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From: Jon Forrest <nobozo@gmail.com>
Newsgroups: comp.compilers
Date: Wed, 29 Jun 2022 10:11:54 -0700 (PDT)
Organization: Compilers Central
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Keywords: lex, question
Posted-Date: 29 Jun 2022 17:02:05 EDT

The following line is from a makefile accepted by gmake:


onefile: $(AVAR)


I'm wondering what the ramification are of lexing what's on the right of the
colon as a single string and then breaking it apart later, as opposed to
returning a more detailed sequence of tokens, such as DOLLAR LPAREN NAME
RPAREN.


gmake appears to do the former, I'm guessing because it means a simpler
grammar but that seems like just postponing the hard work until later.


Cordially,
Jon Forrest

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