You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
2.4 KiB
113 lines
2.4 KiB
%{
|
|
/*
|
|
* 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;
|