| %{ |
| |
| /* |
| * (C) Copyright 2014, Stephen M. Cameron. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * 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 |
| * |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "y.tab.h" |
| |
| #define YYSTYPE PARSER_VALUE_TYPE |
| |
| extern int lexer_input(char *buffer, unsigned int *nbytes, int buffersize); |
| |
| #undef YY_INPUT |
| #define YY_INPUT(buffer, bytes_read, bytes_requested) \ |
| ({ \ |
| int __ret; \ |
| unsigned int __bread = bytes_read; \ |
| __ret = lexer_input((buffer), &__bread, (bytes_requested)); \ |
| bytes_read = __bread; \ |
| __ret; \ |
| }) |
| |
| extern int yyerror(long long *result, double *dresult, |
| int *has_error, int *units_specified, const char *msg); |
| |
| static void __attribute__((unused)) yyunput(int c, char *buf_ptr); |
| static int __attribute__((unused)) input(void); |
| |
| /* set by parser -- this is another thing which makes the parser thread-unsafe :(. */ |
| int lexer_value_is_time = 0; /* for determining if "m" suffix means mega- or minutes */ |
| |
| #define set_suffix_value(yylval, i_val, d_val, has_d_val) \ |
| (yylval).v.dval = (d_val); \ |
| (yylval).v.ival = (i_val); \ |
| (yylval).v.has_dval = (has_d_val); \ |
| (yylval).v.has_error = 0; |
| |
| %} |
| |
| %% |
| |
| |
| [kK]|[kK][bB] { |
| set_suffix_value(yylval, 1024, 1024.0, 0); |
| return SUFFIX; |
| } |
| [Mm][bB] { |
| set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0); |
| return SUFFIX; |
| } |
| [mM][sS] { |
| set_suffix_value(yylval, 1000, 1000.0, 1); |
| return SUFFIX; |
| } |
| [uU][sS] { |
| set_suffix_value(yylval, 1, 1.0, 1); |
| return SUFFIX; |
| } |
| [gG]|[Gg][Bb] { |
| set_suffix_value(yylval, 1024LL * 1024 * 1024, 1024.0 * 1024.0 * 1024, 0); |
| return SUFFIX; |
| } |
| [tT]|[tT][bB] { |
| set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024, |
| 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024, 0); |
| return SUFFIX; |
| } |
| [pP]|[pP][bB] { |
| set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024 * 1024, |
| 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0, 0); |
| return SUFFIX; |
| } |
| [kK][iI][Bb] { |
| set_suffix_value(yylval, 1000LL, 1000.0, 0); |
| return SUFFIX; |
| } |
| [mM][Ii][bB] { |
| set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); |
| return SUFFIX; |
| } |
| [gG][iI][Bb] { |
| set_suffix_value(yylval, 1000000000LL, 1000000000.0 , 0); |
| return SUFFIX; |
| } |
| [pP][iI][Bb] { |
| set_suffix_value(yylval, 1000000000000LL, 1000000000000.0 , 0); |
| return SUFFIX; |
| } |
| [sS] { |
| set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); |
| return SUFFIX; |
| } |
| [mM] { |
| if (!lexer_value_is_time) { |
| set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0); |
| } else { |
| set_suffix_value(yylval, 60LL * 1000000LL, 60.0 * 1000000.0, 0); |
| } |
| return SUFFIX; |
| } |
| [dD] { |
| set_suffix_value(yylval, 60LL * 60LL * 24LL * 1000000LL, |
| 60.0 * 60.0 * 24.0 * 1000000.0, 0); |
| return SUFFIX; |
| } |
| [hH] { |
| set_suffix_value(yylval, 60LL * 60LL * 1000000LL, |
| 60.0 * 60.0 * 1000000.0, 0); |
| return SUFFIX; |
| } |
| [ \t] ; /* ignore whitespace */ |
| [#:,].* ; /* ignore comments, and everything after colons and commas */ |
| [0-9]*[.][0-9]+|[0-9]*[.]?[0-9]+[eE][-+]*[0-9]+ { |
| int rc; |
| double dval; |
| |
| rc = sscanf(yytext, "%lf", &dval); |
| if (rc == 1) { |
| yylval.v.dval = dval; |
| yylval.v.ival = (long long) dval; |
| yylval.v.has_dval = 1; |
| yylval.v.has_error = 0; |
| return NUMBER; |
| } else { |
| yyerror(0, 0, 0, 0, "bad number\n"); |
| yylval.v.has_error = 1; |
| return NUMBER; |
| } |
| } |
| 0x[0-9a-fA-F]+ { |
| int rc, intval; |
| rc = sscanf(yytext, "%x", &intval); |
| if (rc == 1) { |
| yylval.v.ival = intval; |
| yylval.v.dval = (double) intval; |
| yylval.v.has_dval = 0; |
| yylval.v.has_error = 0; |
| return NUMBER; |
| } else { |
| yyerror(0, 0, 0, 0, "bad number\n"); |
| yylval.v.has_error = 1; |
| return NUMBER; |
| } |
| } |
| [0-9]+ { |
| int rc, intval; |
| rc = sscanf(yytext, "%d", &intval); |
| if (rc == 1) { |
| yylval.v.ival = intval; |
| yylval.v.dval = (double) intval; |
| yylval.v.has_dval = 0; |
| yylval.v.has_error = 0; |
| return NUMBER; |
| } else { |
| yyerror(0, 0, 0, 0, "bad number\n"); |
| yylval.v.has_error = 1; |
| return NUMBER; |
| } |
| } |
| \n return 0; |
| [+-/*()^%] return yytext[0]; |
| |
| . { |
| yylval.v.has_error = 1; |
| return NUMBER; |
| } |
| %% |
| |