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/*
* Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
%option noyywrap
ALPHADIGIT [^\:\,\(\)\n\t\(\) \0\#]
HEXDIGIT [0-9a-fA-Fx]
NEWLINE [\n]
WHITESPACE [ \t]
%{
#include "mem/ruby/common/Global.hh"
using namespace std;
#include <string>
#include <map>
#include <stdlib.h>
// Maurice
// extern "C" {
// #include "simics/api.h"
// };
#include "mem/gems_common/ioutil/FakeSimicsDataTypes.hh"
// CM: simics 1.6.5 API redefines fwrite, much to my chagrin
#undef fwrite
#undef printf
#include "mem/gems_common/ioutil/attrparse.hh"
#define MAX_INCLUDE_DEPTH 10
/** global result of parsing file */
extern attr_value_t g_attr_map;
extern int atparse(void);
static int linenum=1; /* the current line number */
static int colnum=1; /* the current column number */
static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
static int include_stack_ptr = 0;
static char g_relative_include_path[256];
// forward declaration of aterror
void aterror(const char *msg);
%}
%x SLASHCOMMENT INCLUDE
%%
%{ /* PATTERNS FOR STRING TOKENS */
%}
"//".*[\n] { linenum++; colnum=1; } /* C++ style comments */
\#include { colnum+=yyleng; BEGIN(INCLUDE); }
<INCLUDE>{WHITESPACE}* { colnum+=yyleng; }
<INCLUDE>[^ \t\n]+ {
// should really be FILEIO_MAX_FILENAME or MAX_NAME
char str[256];
if ( include_stack_ptr >= MAX_INCLUDE_DEPTH )
{
ERROR_OUT( "Includes nested too deeply" );
exit( 1 );
}
include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
yyin = fopen( yytext, "r" );
if ( ! yyin ) {
sprintf( str, "%s%s", g_relative_include_path, yytext );
yyin = fopen( str, "r" );
}
if ( ! yyin ) {
sprintf( str, "%s%s%s", g_relative_include_path, "config/", yytext );
yyin = fopen( str, "r" );
}
if ( ! yyin ) {
ERROR_OUT("unable to open included file: %s or %s\n", yytext, str);
aterror("file open error.\n");
}
yy_switch_to_buffer(yy_create_buffer( yyin, YY_BUF_SIZE ));
BEGIN(INITIAL);
}
<<EOF>> {
if ( --include_stack_ptr < 0 ) {
yyterminate();
} else {
yy_delete_buffer( YY_CURRENT_BUFFER );
fclose(yyin);
yy_switch_to_buffer(include_stack[include_stack_ptr] );
}
}
\( { colnum+=yyleng; return (LPAREN); }
\) { colnum+=yyleng; return (RPAREN); }
\: { colnum+=yyleng; return (':'); }
\, { colnum+=yyleng; return (','); }
{HEXDIGIT}+ {
colnum+=yyleng;
attr_value_t *val = (attr_value_t *)
malloc( sizeof(attr_value_t) );
memset( val, 0, sizeof(attr_value_t) );
atlval.attrval = val;
val->kind = Sim_Val_Integer;
val->u.integer = strtoull( yytext, NULL, 0 );
return (INTEGER); }
{ALPHADIGIT}+ {
colnum+=yyleng;
attr_value_t *val = (attr_value_t *)
malloc( sizeof(attr_value_t) );
memset( val, 0, sizeof(attr_value_t) );
atlval.attrval = val;
val->kind = Sim_Val_String;
val->u.string = strdup(yytext);
return (STRING); }
%{ /* OTHER PATTERNS */
%}
{WHITESPACE}+ {colnum += yyleng;}
{NEWLINE} {linenum++; colnum = 1;}
%%
extern "C" void parseInitialize( void )
{
// since no global variables are set in simics, we must do it manually
// this is also necessary now that the parser can be used more than once.
// (it is used to parse the defaults, and can be used after that)
linenum = 1;
colnum = 1;
include_stack_ptr = 0;
}
extern "C" int parseAttrFile( FILE *inputFile, const char *relative_include_path, attr_value_t *myTable )
{
parseInitialize();
strncpy( g_relative_include_path, relative_include_path, 255 );
int result;
yyin = inputFile;
YY_BUFFER_STATE scan_state = yy_create_buffer( yyin, YY_BUF_SIZE );
yy_switch_to_buffer( scan_state );
result = atparse();
*myTable = g_attr_map;
yy_delete_buffer( scan_state );
return (result);
}
extern "C" int parseAttrString( const char *str, attr_value_t *myTable )
{
parseInitialize();
int result;
YY_BUFFER_STATE scan_state = yy_scan_string( str );
result = atparse();
*myTable = g_attr_map;
yy_delete_buffer( scan_state );
return (result);
}
extern void aterror(const char *msg)
{
ERROR_OUT("%d:%d: ERROR while parsing config file%s\n", linenum, colnum, msg );
}
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