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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, | |
3b0d05e8 | 34 | int *has_error, int *units_specified, const char *msg); |
b470a02c SC |
35 | |
36 | static void __attribute__((unused)) yyunput(int c,char *buf_ptr); | |
37 | static int __attribute__((unused)) input(void); | |
38 | ||
18722a18 SC |
39 | #define set_suffix_value(yylval, i_val, d_val, has_d_val) \ |
40 | (yylval).v.dval = (d_val); \ | |
41 | (yylval).v.ival = (i_val); \ | |
42 | (yylval).v.has_dval = (has_d_val); \ | |
43 | (yylval).v.has_error = 0; | |
44 | ||
b470a02c SC |
45 | %} |
46 | ||
47 | %% | |
48 | ||
49 | ||
18722a18 SC |
50 | [kK]|[kK][bB] { |
51 | set_suffix_value(yylval, 1024, 1024.0, 0); | |
52 | return SUFFIX; | |
53 | } | |
54 | [Mm]|[Mm][bB] { | |
55 | set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0); | |
56 | return SUFFIX; | |
57 | } | |
58 | [mM][sS] { | |
59 | set_suffix_value(yylval, 1000, 1000.0, 1); | |
60 | return SUFFIX; | |
61 | } | |
62 | [uU][sS] { | |
63 | set_suffix_value(yylval, 1, 1.0, 1); | |
64 | return SUFFIX; | |
65 | } | |
66 | [gG]|[Gg][Bb] { | |
67 | set_suffix_value(yylval, 1024LL * 1024 * 1024, 1024.0 * 1024.0 * 1024, 0); | |
68 | return SUFFIX; | |
69 | } | |
70 | [tT]|[tT][bB] { | |
71 | set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024, | |
72 | 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024, 0); | |
73 | return SUFFIX; | |
74 | } | |
75 | [pP]|[pP][bB] { | |
76 | set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024 * 1024, | |
77 | 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0, 0); | |
78 | return SUFFIX; | |
79 | } | |
80 | [kK][iI][Bb] { | |
81 | set_suffix_value(yylval, 1000LL, 1000.0, 0); | |
82 | return SUFFIX; | |
83 | } | |
84 | [mM][Ii][bB] { | |
85 | set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); | |
86 | return SUFFIX; | |
87 | } | |
88 | [gG][iI][Bb] { | |
89 | set_suffix_value(yylval, 1000000000LL, 1000000000.0 , 0); | |
90 | return SUFFIX; | |
91 | } | |
92 | [pP][iI][Bb] { | |
93 | set_suffix_value(yylval, 1000000000000LL, 1000000000000.0 , 0); | |
94 | return SUFFIX; | |
95 | } | |
96 | [sS] { | |
97 | set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); | |
98 | return SUFFIX; | |
99 | } | |
100 | [dD] { | |
101 | set_suffix_value(yylval, 60LL * 60LL * 24LL * 1000000LL, | |
102 | 60.0 * 60.0 * 24.0 * 1000000.0, 0); | |
103 | return SUFFIX; | |
104 | } | |
105 | [hH] { | |
106 | set_suffix_value(yylval, 60LL * 60LL * 1000000LL, | |
107 | 60.0 * 60.0 * 1000000.0, 0); | |
108 | return SUFFIX; | |
109 | } | |
b470a02c | 110 | [ \t] ; /* ignore whitespace */ |
51a65a41 | 111 | [#:,].* ; /* ignore comments, and everything after colons and commas */ |
b470a02c SC |
112 | [0-9]*[.][0-9]+ { |
113 | int rc; | |
114 | double dval; | |
115 | ||
116 | rc = sscanf(yytext, "%lf", &dval); | |
117 | if (rc == 1) { | |
118 | yylval.v.dval = dval; | |
119 | yylval.v.ival = (long long) dval; | |
120 | yylval.v.has_dval = 1; | |
121 | yylval.v.has_error = 0; | |
122 | return NUMBER; | |
123 | } else { | |
3b0d05e8 | 124 | yyerror(0, 0, 0, 0, "bad number\n"); |
b470a02c SC |
125 | yylval.v.has_error = 1; |
126 | return NUMBER; | |
127 | } | |
128 | } | |
129 | 0x[0-9a-fA-F]+ { | |
130 | int rc, intval; | |
131 | rc = sscanf(yytext, "%x", &intval); | |
132 | if (rc == 1) { | |
133 | yylval.v.ival = intval; | |
134 | yylval.v.dval = (double) intval; | |
135 | yylval.v.has_dval = 0; | |
136 | yylval.v.has_error = 0; | |
137 | return NUMBER; | |
138 | } else { | |
3b0d05e8 | 139 | yyerror(0, 0, 0, 0, "bad number\n"); |
b470a02c SC |
140 | yylval.v.has_error = 1; |
141 | return NUMBER; | |
142 | } | |
143 | } | |
144 | [0-9]+ { | |
145 | int rc, intval; | |
146 | rc = sscanf(yytext, "%d", &intval); | |
147 | if (rc == 1) { | |
148 | yylval.v.ival = intval; | |
149 | yylval.v.dval = (double) intval; | |
150 | yylval.v.has_dval = 0; | |
151 | yylval.v.has_error = 0; | |
152 | return NUMBER; | |
153 | } else { | |
3b0d05e8 | 154 | yyerror(0, 0, 0, 0, "bad number\n"); |
b470a02c SC |
155 | yylval.v.has_error = 1; |
156 | return NUMBER; | |
157 | } | |
158 | } | |
159 | \n return 0; | |
886e5ecd | 160 | [+-/*()^%] return yytext[0]; |
ae46966a | 161 | |
b470a02c SC |
162 | . { |
163 | yylval.v.has_error = 1; | |
164 | return NUMBER; | |
165 | } | |
166 | %% | |
167 |