Re: what type of parser is needed for SDL.pr

karsten@tdr.dk
Sat, 15 Apr 1995 20:13:26 GMT

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what type of parser is needed for SDL.pr mmestern@cs.uct.ac.za (1995-04-04)
Re: what type of parser is needed for SDL.pr karsten@tdr.dk (1995-04-15)
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Newsgroups: comp.compilers
From: karsten@tdr.dk
Keywords: syntax
Organization: Compilers Central
References: 95-04-060
Date: Sat, 15 Apr 1995 20:13:26 GMT

mmestern@cs.uct.ac.za (Mark Mestern) writes:


>I'd like to know what type of grammar the SDL (Specification and
>description) language has as I will be building a parser for it. Would
>a LR(1) parser built with yacc or bison suffice?


>I have checked the ITU specifications, but they don't give any
>information about this question.


Well our parser is implemented using a parser generator as powerful
as yacc and bison. The grammar includes some dirty tricks and some
ambiguities are solved by semantic actions.


Karsen Nyblad
karsten@tdr.dk
Tele Danmark Research
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