icinga2/dyn/config_lexer.ll

93 lines
3.1 KiB
LLVM

%{
/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-dyn.h"
#include "config_parser.h"
using namespace icinga;
#define YY_EXTRA_TYPE ConfigCompiler *
#define YY_USER_ACTION \
do { \
yylloc->FirstLine = yylineno; \
yylloc->FirstColumn = yycolumn; \
yylloc->LastLine = yylineno; \
yylloc->LastColumn = yycolumn + yyleng - 1; \
yycolumn += yyleng; \
} while (0);
#define YY_INPUT(buf, result, max_size) \
do { \
result = yyextra->ReadInput(buf, max_size); \
} while (0)
%}
%option reentrant noyywrap yylineno
%option bison-bridge bison-locations
%option never-interactive nounistd
%x IN_C_COMMENT
%%
abstract return T_ABSTRACT;
local return T_LOCAL;
object return T_OBJECT;
include return T_INCLUDE;
inherits return T_INHERITS;
null return T_NULL;
[a-zA-Z_][a-zA-Z0-9\-_]* { yylval->text = strdup(yytext); return T_IDENTIFIER; }
\"[^\"]+\" { yytext[yyleng-1] = '\0'; yylval->text = strdup(yytext + 1); return T_STRING; }
[0-9]+ { yylval->num = atoi(yytext); return T_NUMBER; }
= { yylval->op = OperatorSet; return T_EQUAL; }
\+= { yylval->op = OperatorPlus; return T_PLUS_EQUAL; }
-= { yylval->op = OperatorMinus; return T_MINUS_EQUAL; }
\*= { yylval->op = OperatorMultiply; return T_MULTIPLY_EQUAL; }
\/= { yylval->op = OperatorDivide; return T_DIVIDE_EQUAL; }
<INITIAL>{
"/*" BEGIN(IN_C_COMMENT);
}
<IN_C_COMMENT>{
"*/" BEGIN(INITIAL);
[^*]+ /* ignore comment */
"*" /* ignore star */
}
\/\/[^\n]+ /* ignore C++-style comments */
#[^\n]+ /* ignore shell-style comments */
[ \t\n]+ /* ignore whitespace */
. return yytext[0];
%%
void ConfigCompiler::InitializeScanner(void)
{
yylex_init(&m_Scanner);
yyset_extra(this, m_Scanner);
}
void ConfigCompiler::DestroyScanner(void)
{
yylex_destroy(m_Scanner);
}