Re: Preview in grammar

Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
12 May 2006 00:47:55 -0400

          From comp.compilers

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Re: Preview in grammar DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2006-05-09)
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Re: Preview in grammar Meyer-Eltz@t-online.de (Detlef Meyer-Eltz) (2006-05-12)
Re: Preview in grammar cfc@shell01.TheWorld.com (Chris F Clark) (2006-05-12)
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Re: Preview in grammar pbmann@gmail.com (2006-05-12)
Re: Preview in grammar pbmann@gmail.com (2006-05-15)
Re: Preview in grammar cfc@shell01.TheWorld.com (Chris F Clark) (2006-05-15)
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From: Detlef Meyer-Eltz <Meyer-Eltz@t-online.de>
Newsgroups: comp.compilers
Date: 12 May 2006 00:47:55 -0400
Organization: Compilers Central
References: 06-05-011
Keywords: parse

>I need a preview which token comes next


Another non LALR parser generator, which provides the functionality is
TextTransformer at


http://www.texttransformer.com // english
http://www.texttransformer.de // german


There are five member functions of the ParserState class concerning
the next token:


---
std::string State.next_str() const


returns the text of the next token


---


std::string State.next_str(int sub) const


returns the text of the sub-expresion with the index sub of the next
token


---


std::string State.next_copy() const


returns the text of the next token including the ignored characters
before


---


unsigned int State.next_size() const


returns the number of sub-expressions of the next token


---


unsigned int State.next_length(int sub = 0) const


returns the lenght of the text of sub-expression sub of the next token




Regards


Detlef Meyer-Eltz


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