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Viewing changes to yo/concrete/unrestricted/scanner/lexer

  • Committer: Package Import Robot
  • Author(s): Frank B. Brokken
  • Date: 2012-01-20 11:53:17 UTC
  • mfrom: (1.1.18)
  • Revision ID: package-import@ubuntu.com-20120120115317-v4wiq9sttx72fabk
Tags: 9.1.0-1
New upstream release (covering C++11 to a large extend)

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yo/concrete/unrestricted/scanner/lexer
 
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%{
 
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    #define SKIP_FLEXLEXER_
 
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    #include "scanner.ih"
 
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    #include "../parser/preinclude.h"
 
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    #include "../parser/parserbase.h"
 
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%}
 
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%option yyclass="Scanner" outfile="yylex.cc"
 
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%option c++ 8bit warn noyywrap yylineno
 
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%option debug
 
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%%
 
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[ \t]+                          // skip white space
 
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\n                              // same
 
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[0-9]+      {
 
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                *d_semval = Semantic(Semantic::INT, yytext);
 
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                return Parser::INT;
 
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            }
 
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[a-zA-Z_][a-zA-Z0-9_]*  {
 
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                *d_semval = Semantic(Semantic::IDENTIFIER, yytext);
 
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                return Parser::IDENTIFIER;
 
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            }
 
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.           return yytext[0];
 
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%%
 
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