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%{
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#include <string>
#include "edify/expr.h"
#include "yydefs.h"
#include "parser.h"
int gLine = 1;
int gColumn = 1;
int gPos = 0;
std::string string_buffer;
#define ADVANCE do {yylloc.start=gPos; yylloc.end=gPos+yyleng; \
gColumn+=yyleng; gPos+=yyleng;} while(0)
%}
%x STR
%option noinput
%option nounput
%option noyywrap
%%
\" {
BEGIN(STR);
string_buffer.clear();
yylloc.start = gPos;
++gColumn;
++gPos;
}
<STR>{
\" {
++gColumn;
++gPos;
BEGIN(INITIAL);
yylval.str = strdup(string_buffer.c_str());
yylloc.end = gPos;
return STRING;
}
\\n { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\n'); }
\\t { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\t'); }
\\\" { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\"'); }
\\\\ { gColumn += yyleng; gPos += yyleng; string_buffer.push_back('\\'); }
\\x[0-9a-fA-F]{2} {
gColumn += yyleng;
gPos += yyleng;
int val;
sscanf(yytext+2, "%x", &val);
string_buffer.push_back(static_cast<char>(val));
}
\n {
++gLine;
++gPos;
gColumn = 1;
string_buffer.push_back(yytext[0]);
}
. {
++gColumn;
++gPos;
string_buffer.push_back(yytext[0]);
}
}
if ADVANCE; return IF;
then ADVANCE; return THEN;
else ADVANCE; return ELSE;
endif ADVANCE; return ENDIF;
[a-zA-Z0-9_:/.]+ {
ADVANCE;
yylval.str = strdup(yytext);
return STRING;
}
\&\& ADVANCE; return AND;
\|\| ADVANCE; return OR;
== ADVANCE; return EQ;
!= ADVANCE; return NE;
[+(),!;] ADVANCE; return yytext[0];
[ \t]+ ADVANCE;
(#.*)?\n gPos += yyleng; ++gLine; gColumn = 1;
. return BAD;
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