1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* 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.hh"
// };
#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 );
}
|
