|
Packit |
8930e1 |
%{
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
/*
|
|
Packit |
8930e1 |
* (C) Copyright 2014, Stephen M. Cameron.
|
|
Packit |
8930e1 |
*
|
|
Packit |
8930e1 |
* This program is free software; you can redistribute it and/or modify
|
|
Packit |
8930e1 |
* it under the terms of the GNU General Public License version 2 as
|
|
Packit |
8930e1 |
* published by the Free Software Foundation.
|
|
Packit |
8930e1 |
*
|
|
Packit |
8930e1 |
* This program is distributed in the hope that it will be useful,
|
|
Packit |
8930e1 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
8930e1 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
Packit |
8930e1 |
* GNU General Public License for more details.
|
|
Packit |
8930e1 |
*
|
|
Packit |
8930e1 |
* You should have received a copy of the GNU General Public License
|
|
Packit |
8930e1 |
* along with this program; if not, write to the Free Software
|
|
Packit |
8930e1 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
Packit |
8930e1 |
*
|
|
Packit |
8930e1 |
*/
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
#include <stdio.h>
|
|
Packit |
8930e1 |
#include <string.h>
|
|
Packit |
8930e1 |
#include "y.tab.h"
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
#define YYSTYPE PARSER_VALUE_TYPE
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
extern int lexer_input(char *buffer, unsigned int *nbytes, int buffersize);
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
#undef YY_INPUT
|
|
Packit |
8930e1 |
#define YY_INPUT(buffer, bytes_read, bytes_requested) \
|
|
Packit |
8930e1 |
({ \
|
|
Packit |
8930e1 |
int __ret; \
|
|
Packit |
8930e1 |
unsigned int __bread = bytes_read; \
|
|
Packit |
8930e1 |
__ret = lexer_input((buffer), &__bread, (bytes_requested)); \
|
|
Packit |
8930e1 |
bytes_read = __bread; \
|
|
Packit |
8930e1 |
__ret; \
|
|
Packit |
8930e1 |
})
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
extern int yyerror(long long *result, double *dresult,
|
|
Packit |
8930e1 |
int *has_error, int *units_specified, const char *msg);
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
static void __attribute__((unused)) yyunput(int c, char *buf_ptr);
|
|
Packit |
8930e1 |
static int __attribute__((unused)) input(void);
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
/* set by parser -- this is another thing which makes the parser thread-unsafe :(. */
|
|
Packit |
8930e1 |
int lexer_value_is_time = 0; /* for determining if "m" suffix means mega- or minutes */
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
#define set_suffix_value(yylval, i_val, d_val, has_d_val) \
|
|
Packit |
8930e1 |
(yylval).v.dval = (d_val); \
|
|
Packit |
8930e1 |
(yylval).v.ival = (i_val); \
|
|
Packit |
8930e1 |
(yylval).v.has_dval = (has_d_val); \
|
|
Packit |
8930e1 |
(yylval).v.has_error = 0;
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
%}
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
%%
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
[kK]|[kK][bB] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024, 1024.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[Mm][bB] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[mM][sS] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000, 1000.0, 1);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[uU][sS] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1, 1.0, 1);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[gG]|[Gg][Bb] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024LL * 1024 * 1024, 1024.0 * 1024.0 * 1024, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[tT]|[tT][bB] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024,
|
|
Packit |
8930e1 |
1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[pP]|[pP][bB] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024 * 1024,
|
|
Packit |
8930e1 |
1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[kK][iI][Bb] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000LL, 1000.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[mM][Ii][bB] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000000LL, 1000000.0 , 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[gG][iI][Bb] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000000000LL, 1000000000.0 , 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[pP][iI][Bb] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000000000000LL, 1000000000000.0 , 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[sS] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1000000LL, 1000000.0 , 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[mM] {
|
|
Packit |
8930e1 |
if (!lexer_value_is_time) {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0);
|
|
Packit |
8930e1 |
} else {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 60LL * 1000000LL, 60.0 * 1000000.0, 0);
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[dD] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 60LL * 60LL * 24LL * 1000000LL,
|
|
Packit |
8930e1 |
60.0 * 60.0 * 24.0 * 1000000.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[hH] {
|
|
Packit |
8930e1 |
set_suffix_value(yylval, 60LL * 60LL * 1000000LL,
|
|
Packit |
8930e1 |
60.0 * 60.0 * 1000000.0, 0);
|
|
Packit |
8930e1 |
return SUFFIX;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[ \t] ; /* ignore whitespace */
|
|
Packit |
8930e1 |
[#:,].* ; /* ignore comments, and everything after colons and commas */
|
|
Packit |
8930e1 |
[0-9]*[.][0-9]+|[0-9]*[.]?[0-9]+[eE][-+]*[0-9]+ {
|
|
Packit |
8930e1 |
int rc;
|
|
Packit |
8930e1 |
double dval;
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
rc = sscanf(yytext, "%lf", &dval);
|
|
Packit |
8930e1 |
if (rc == 1) {
|
|
Packit |
8930e1 |
yylval.v.dval = dval;
|
|
Packit |
8930e1 |
yylval.v.ival = (long long) dval;
|
|
Packit |
8930e1 |
yylval.v.has_dval = 1;
|
|
Packit |
8930e1 |
yylval.v.has_error = 0;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
} else {
|
|
Packit |
8930e1 |
yyerror(0, 0, 0, 0, "bad number\n");
|
|
Packit |
8930e1 |
yylval.v.has_error = 1;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
0x[0-9a-fA-F]+ {
|
|
Packit |
8930e1 |
int rc, intval;
|
|
Packit |
8930e1 |
rc = sscanf(yytext, "%x", &intval);
|
|
Packit |
8930e1 |
if (rc == 1) {
|
|
Packit |
8930e1 |
yylval.v.ival = intval;
|
|
Packit |
8930e1 |
yylval.v.dval = (double) intval;
|
|
Packit |
8930e1 |
yylval.v.has_dval = 0;
|
|
Packit |
8930e1 |
yylval.v.has_error = 0;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
} else {
|
|
Packit |
8930e1 |
yyerror(0, 0, 0, 0, "bad number\n");
|
|
Packit |
8930e1 |
yylval.v.has_error = 1;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
[0-9]+ {
|
|
Packit |
8930e1 |
int rc, intval;
|
|
Packit |
8930e1 |
rc = sscanf(yytext, "%d", &intval);
|
|
Packit |
8930e1 |
if (rc == 1) {
|
|
Packit |
8930e1 |
yylval.v.ival = intval;
|
|
Packit |
8930e1 |
yylval.v.dval = (double) intval;
|
|
Packit |
8930e1 |
yylval.v.has_dval = 0;
|
|
Packit |
8930e1 |
yylval.v.has_error = 0;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
} else {
|
|
Packit |
8930e1 |
yyerror(0, 0, 0, 0, "bad number\n");
|
|
Packit |
8930e1 |
yylval.v.has_error = 1;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
\n return 0;
|
|
Packit |
8930e1 |
[+-/*()^%] return yytext[0];
|
|
Packit |
8930e1 |
|
|
Packit |
8930e1 |
. {
|
|
Packit |
8930e1 |
yylval.v.has_error = 1;
|
|
Packit |
8930e1 |
return NUMBER;
|
|
Packit |
8930e1 |
}
|
|
Packit |
8930e1 |
%%
|
|
Packit |
8930e1 |
|