projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| b470a02c SC |
1 | %{ |
| 2 | ||
| 3 | /* | |
| 4 | * (C) Copyright 2014, Stephen M. Cameron. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | * GNU General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | * | |
| 19 | */ | |
| 20 | ||
| 21 | #include <stdio.h> | |
| 22 | #include <string.h> | |
| 23 | #include "y.tab.h" | |
| 24 | ||
| 25 | #define YYSTYPE PARSER_VALUE_TYPE | |
| 26 | ||
| 27 | extern int lexer_input(char* buffer, int *nbytes, int buffersize); | |
| 28 | ||
| 29 | #undef YY_INPUT | |
| 30 | #define YY_INPUT(buffer, bytes_read, bytes_requested) \ | |
| 31 | lexer_input((buffer), &(bytes_read), (bytes_requested)) | |
| 32 | ||
| 33 | extern int yyerror(long long *result, double *dresult, | |
| 34 | int *has_error, int *bye, const char *msg); | |
| 35 | ||
| 36 | static void __attribute__((unused)) yyunput(int c,char *buf_ptr); | |
| 37 | static int __attribute__((unused)) input(void); | |
| 38 | ||
| 39 | %} | |
| 40 | ||
| 41 | %% | |
| 42 | ||
| 43 | ||
| 44 | bye return BYE; | |
| 45 | [ \t] ; /* ignore whitespace */ | |
| 46 | #.+ ; /* ignore comments */ | |
| 47 | [0-9]*[.][0-9]+ { | |
| 48 | int rc; | |
| 49 | double dval; | |
| 50 | ||
| 51 | rc = sscanf(yytext, "%lf", &dval); | |
| 52 | if (rc == 1) { | |
| 53 | yylval.v.dval = dval; | |
| 54 | yylval.v.ival = (long long) dval; | |
| 55 | yylval.v.has_dval = 1; | |
| 56 | yylval.v.has_error = 0; | |
| 57 | return NUMBER; | |
| 58 | } else { | |
| 59 | yyerror(0, 0, 0, 0, "bad number\n"); | |
| 60 | yylval.v.has_error = 1; | |
| 61 | return NUMBER; | |
| 62 | } | |
| 63 | } | |
| 64 | 0x[0-9a-fA-F]+ { | |
| 65 | int rc, intval; | |
| 66 | rc = sscanf(yytext, "%x", &intval); | |
| 67 | if (rc == 1) { | |
| 68 | yylval.v.ival = intval; | |
| 69 | yylval.v.dval = (double) intval; | |
| 70 | yylval.v.has_dval = 0; | |
| 71 | yylval.v.has_error = 0; | |
| 72 | return NUMBER; | |
| 73 | } else { | |
| 74 | yyerror(0, 0, 0, 0, "bad number\n"); | |
| 75 | yylval.v.has_error = 1; | |
| 76 | return NUMBER; | |
| 77 | } | |
| 78 | } | |
| 79 | [0-9]+ { | |
| 80 | int rc, intval; | |
| 81 | rc = sscanf(yytext, "%d", &intval); | |
| 82 | if (rc == 1) { | |
| 83 | yylval.v.ival = intval; | |
| 84 | yylval.v.dval = (double) intval; | |
| 85 | yylval.v.has_dval = 0; | |
| 86 | yylval.v.has_error = 0; | |
| 87 | return NUMBER; | |
| 88 | } else { | |
| 89 | yyerror(0, 0, 0, 0, "bad number\n"); | |
| 90 | yylval.v.has_error = 1; | |
| 91 | return NUMBER; | |
| 92 | } | |
| 93 | } | |
| 94 | \n return 0; | |
| 95 | [+-/*()] return yytext[0]; | |
| 96 | . { | |
| 97 | yylval.v.has_error = 1; | |
| 98 | return NUMBER; | |
| 99 | } | |
| 100 | %% | |
| 101 |