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%{
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
/*
This file must be translated to C++ and modified to build everywhere.
Run flex >= 2.6 like this:
flex --nounistd -DFLEXINT_H --noline --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l
Modify cmExprLexer.cxx:
- remove trailing whitespace: sed -i 's/\s*$//' cmExprLexer.h cmExprLexer.cxx
- remove blank lines at end of file: sed -i '${/^$/d;}' cmExprLexer.h cmExprLexer.cxx
- #include "cmStandardLexer.h" at the top: sed -i '1i#include "cmStandardLexer.h"' cmExprLexer.cxx
*/
/* IWYU pragma: no_forward_declare yyguts_t */
#include "cmExprParserHelper.h"
/* Replace the lexer input function. */
#undef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
{ result = yyextra->LexInput(buf, max_size); }
/* Include the set of tokens from the parser. */
#include "cmExprParserTokens.h"
#include <string>
/*--------------------------------------------------------------------------*/
%}
%option prefix="cmExpr_yy"
%option reentrant
%option noyywrap
%pointer
%%
[ \t] {}
[0-9][0-9]* { yylvalp->Number = std::stoll(yytext, nullptr, 10); return exp_NUMBER; }
0[xX][0-9a-fA-F][0-9a-fA-F]* { yylvalp->Number = std::stoll(yytext, nullptr, 16); return exp_NUMBER; }
"+" { return exp_PLUS; }
"-" { return exp_MINUS; }
"*" { return exp_TIMES; }
"/" { return exp_DIVIDE; }
"%" { return exp_MOD; }
"\|" { return exp_OR; }
"&" { return exp_AND; }
"^" { return exp_XOR; }
"~" { return exp_NOT; }
"<<" { return exp_SHIFTLEFT; }
">>" { return exp_SHIFTRIGHT; }
"(" { return exp_OPENPARENT; }
")" { return exp_CLOSEPARENT; }
. {return exp_UNEXPECTED;}
%%
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