Re: dynamic yacc-tables?

pardo@gar.cs.washington.edu (David Keppel)
Tue, 13 Aug 91 01:49:43 GMT

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Newsgroups: comp.lang.c,comp.compilers
From: pardo@gar.cs.washington.edu (David Keppel)
Keywords: parse, yacc
Organization: Computer Science & Engineering, U. of Washington, Seattle
References: 91-08-043
Date: Tue, 13 Aug 91 01:49:43 GMT

canver@cyborg.informatik.uni-ulm.de (Ercument Canver) writes:
>[Modify the grammar for defining infix operators, overloading dynamically.]


Maybe:


%A Boris Burshteyn
%T On The Modification of the Formal Grammar At Parse Time
%J SIGPLAN Notices
%V 25
%N 5
%D May 1990
%P 117-123
%W pardo
%X * Parsers normally perform reductions and then call semantic action
routines.
  * Many of the semantic actions are easily represented as specialized
parse rules e.g., ``ident = expr'' has a semantic action that checks
the type.
  * Can also be represented as parsing ``int-ident = int-expr'',
``char-ident = char-expr'' and so on.
  * However (a) large # of rules and (b) some types aren't known until
runtime.
  * Add and delete grammar productions in a controlled way during
parsing e.g., ``int foo'' creates rules for ``ident-foo =
int-expr''.


;-D on ( Did you write your grammer a thank-you note? ) Pardo
--


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