fio: update FSF address
[fio.git] / exp / expression-parser.y
index 1cc07918df9ceb970e1d279d52ad4fef536ad260..04a6e07a38ae924ed04cbb6736b87894eeceee61 100644 (file)
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *
  *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
  */
 
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
  *
  */
 
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
+
 struct parser_value_type {
        double dval;
        long long ival;
 struct parser_value_type {
        double dval;
        long long ival;
@@ -38,10 +39,11 @@ int yyerror(__attribute__((unused)) long long *result,
                __attribute__((unused)) double *dresult,
                __attribute__((unused)) int *has_error,
                __attribute__((unused)) int *units_specified,
                __attribute__((unused)) double *dresult,
                __attribute__((unused)) int *has_error,
                __attribute__((unused)) int *units_specified,
-               __attribute__((unused)) int *bye, const char *msg);
+               __attribute__((unused)) const char *msg);
 
 extern int yylex(void);
 extern void yyrestart(FILE *file);
 
 extern int yylex(void);
 extern void yyrestart(FILE *file);
+extern int lexer_value_is_time;
 
 %}
 
 
 %}
 
@@ -67,7 +69,6 @@ extern void yyrestart(FILE *file);
 %parse-param { double *dresult }
 %parse-param { int *has_error }
 %parse-param { int *units_specified }
 %parse-param { double *dresult }
 %parse-param { int *has_error }
 %parse-param { int *units_specified }
-%parse-param { int *bye }
 
 %type <v> expression
 %%
 
 %type <v> expression
 %%
@@ -108,11 +109,11 @@ expression:       expression '+' expression {
                }
        |       expression '/' expression {
                        if ($3.ival == 0)
                }
        |       expression '/' expression {
                        if ($3.ival == 0)
-                               yyerror(0, 0, 0, 0, 0, "divide by zero");
+                               yyerror(0, 0, 0, 0, "divide by zero");
                        else
                                $$.ival = $1.ival / $3.ival;
                        if ($3.dval < 1e-20 && $3.dval > -1e-20)
                        else
                                $$.ival = $1.ival / $3.ival;
                        if ($3.dval < 1e-20 && $3.dval > -1e-20)
-                               yyerror(0, 0, 0, 0, 0, "divide by zero");
+                               yyerror(0, 0, 0, 0, "divide by zero");
                        else
                                $$.dval = $1.dval / $3.dval;
                        if ($3.has_dval || $1.has_dval)
                        else
                                $$.dval = $1.dval / $3.dval;
                        if ($3.has_dval || $1.has_dval)
@@ -139,9 +140,9 @@ expression: expression '+' expression {
                }
        |       expression '%' expression {
                        if ($1.has_dval || $3.has_dval)
                }
        |       expression '%' expression {
                        if ($1.has_dval || $3.has_dval)
-                               yyerror(0, 0, 0, 0, 0, "modulo on floats");
+                               yyerror(0, 0, 0, 0, "modulo on floats");
                        if ($3.ival == 0)
                        if ($3.ival == 0)
-                               yyerror(0, 0, 0, 0, 0, "divide by zero");
+                               yyerror(0, 0, 0, 0, "divide by zero");
                        else {
                                $$.ival = $1.ival % $3.ival;
                                $$.dval = $$.ival;
                        else {
                                $$.ival = $1.ival % $3.ival;
                                $$.dval = $$.ival;
@@ -179,8 +180,7 @@ expression: expression '+' expression {
                                $$.ival = (long long) $$.dval;
                        }
                }
                                $$.ival = (long long) $$.dval;
                        }
                }
-       |       NUMBER { $$ = $1; }
-       |       BYE { $$ = $1; *bye = 1; };
+       |       NUMBER { $$ = $1; };
 %%
 #include <stdio.h>
 
 %%
 #include <stdio.h>
 
@@ -188,7 +188,7 @@ expression: expression '+' expression {
 static int lexer_read_offset = 0;
 static char lexer_input_buffer[1000];
 
 static int lexer_read_offset = 0;
 static char lexer_input_buffer[1000];
 
-int lexer_input(char* buffer, int *bytes_read, int bytes_requested)
+int lexer_input(char* buffer, unsigned int *bytes_read, int bytes_requested)
 {
        int bytes_left = strlen(lexer_input_buffer) - lexer_read_offset;
 
 {
        int bytes_left = strlen(lexer_input_buffer) - lexer_read_offset;
 
@@ -215,14 +215,15 @@ static void setup_to_parse_string(const char *string)
 }
 
 int evaluate_arithmetic_expression(const char *buffer, long long *ival, double *dval,
 }
 
 int evaluate_arithmetic_expression(const char *buffer, long long *ival, double *dval,
-                                       double implied_units)
+                                       double implied_units, int is_time)
 {
 {
-       int rc, units_specified = 0, bye = 0, has_error = 0;
+       int rc, units_specified = 0, has_error = 0;
 
 
+       lexer_value_is_time = is_time;
        setup_to_parse_string(buffer);
        setup_to_parse_string(buffer);
-       rc = yyparse(ival, dval, &has_error, &units_specified, &bye);
+       rc = yyparse(ival, dval, &has_error, &units_specified);
        yyrestart(NULL);
        yyrestart(NULL);
-       if (rc || bye || has_error) {
+       if (rc || has_error) {
                *ival = 0;
                *dval = 0;
                has_error = 1;
                *ival = 0;
                *dval = 0;
                has_error = 1;
@@ -238,7 +239,6 @@ int yyerror(__attribute__((unused)) long long *result,
                __attribute__((unused)) double *dresult,
                __attribute__((unused)) int *has_error,
                __attribute__((unused)) int *units_specified,
                __attribute__((unused)) double *dresult,
                __attribute__((unused)) int *has_error,
                __attribute__((unused)) int *units_specified,
-               __attribute__((unused)) int *bye,
                __attribute__((unused)) const char *msg)
 {
        /* We do not need to do anything here. */
                __attribute__((unused)) const char *msg)
 {
        /* We do not need to do anything here. */