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 | ||
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 | bye return BYE; |
51 | [kK]|[kK][bB] { | |
52 | set_suffix_value(yylval, 1024, 1024.0, 0); | |
53 | return SUFFIX; | |
54 | } | |
55 | [Mm]|[Mm][bB] { | |
56 | set_suffix_value(yylval, 1024 * 1024, 1024.0 * 1024.0, 0); | |
57 | return SUFFIX; | |
58 | } | |
59 | [mM][sS] { | |
60 | set_suffix_value(yylval, 1000, 1000.0, 1); | |
61 | return SUFFIX; | |
62 | } | |
63 | [uU][sS] { | |
64 | set_suffix_value(yylval, 1, 1.0, 1); | |
65 | return SUFFIX; | |
66 | } | |
67 | [gG]|[Gg][Bb] { | |
68 | set_suffix_value(yylval, 1024LL * 1024 * 1024, 1024.0 * 1024.0 * 1024, 0); | |
69 | return SUFFIX; | |
70 | } | |
71 | [tT]|[tT][bB] { | |
72 | set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024, | |
73 | 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024, 0); | |
74 | return SUFFIX; | |
75 | } | |
76 | [pP]|[pP][bB] { | |
77 | set_suffix_value(yylval, 1024LL * 1024 * 1024 * 1024 * 1024, | |
78 | 1024.0 * 1024.0 * 1024.0 * 1024.0 * 1024.0, 0); | |
79 | return SUFFIX; | |
80 | } | |
81 | [kK][iI][Bb] { | |
82 | set_suffix_value(yylval, 1000LL, 1000.0, 0); | |
83 | return SUFFIX; | |
84 | } | |
85 | [mM][Ii][bB] { | |
86 | set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); | |
87 | return SUFFIX; | |
88 | } | |
89 | [gG][iI][Bb] { | |
90 | set_suffix_value(yylval, 1000000000LL, 1000000000.0 , 0); | |
91 | return SUFFIX; | |
92 | } | |
93 | [pP][iI][Bb] { | |
94 | set_suffix_value(yylval, 1000000000000LL, 1000000000000.0 , 0); | |
95 | return SUFFIX; | |
96 | } | |
97 | [sS] { | |
98 | set_suffix_value(yylval, 1000000LL, 1000000.0 , 0); | |
99 | return SUFFIX; | |
100 | } | |
101 | [dD] { | |
102 | set_suffix_value(yylval, 60LL * 60LL * 24LL * 1000000LL, | |
103 | 60.0 * 60.0 * 24.0 * 1000000.0, 0); | |
104 | return SUFFIX; | |
105 | } | |
106 | [hH] { | |
107 | set_suffix_value(yylval, 60LL * 60LL * 1000000LL, | |
108 | 60.0 * 60.0 * 1000000.0, 0); | |
109 | return SUFFIX; | |
110 | } | |
b470a02c SC |
111 | [ \t] ; /* ignore whitespace */ |
112 | #.+ ; /* ignore comments */ | |
113 | [0-9]*[.][0-9]+ { | |
114 | int rc; | |
115 | double dval; | |
116 | ||
117 | rc = sscanf(yytext, "%lf", &dval); | |
118 | if (rc == 1) { | |
119 | yylval.v.dval = dval; | |
120 | yylval.v.ival = (long long) dval; | |
121 | yylval.v.has_dval = 1; | |
122 | yylval.v.has_error = 0; | |
123 | return NUMBER; | |
124 | } else { | |
125 | yyerror(0, 0, 0, 0, "bad number\n"); | |
126 | yylval.v.has_error = 1; | |
127 | return NUMBER; | |
128 | } | |
129 | } | |
130 | 0x[0-9a-fA-F]+ { | |
131 | int rc, intval; | |
132 | rc = sscanf(yytext, "%x", &intval); | |
133 | if (rc == 1) { | |
134 | yylval.v.ival = intval; | |
135 | yylval.v.dval = (double) intval; | |
136 | yylval.v.has_dval = 0; | |
137 | yylval.v.has_error = 0; | |
138 | return NUMBER; | |
139 | } else { | |
140 | yyerror(0, 0, 0, 0, "bad number\n"); | |
141 | yylval.v.has_error = 1; | |
142 | return NUMBER; | |
143 | } | |
144 | } | |
145 | [0-9]+ { | |
146 | int rc, intval; | |
147 | rc = sscanf(yytext, "%d", &intval); | |
148 | if (rc == 1) { | |
149 | yylval.v.ival = intval; | |
150 | yylval.v.dval = (double) intval; | |
151 | yylval.v.has_dval = 0; | |
152 | yylval.v.has_error = 0; | |
153 | return NUMBER; | |
154 | } else { | |
155 | yyerror(0, 0, 0, 0, "bad number\n"); | |
156 | yylval.v.has_error = 1; | |
157 | return NUMBER; | |
158 | } | |
159 | } | |
160 | \n return 0; | |
886e5ecd | 161 | [+-/*()^%] return yytext[0]; |
ae46966a | 162 | |
b470a02c SC |
163 | . { |
164 | yylval.v.has_error = 1; | |
165 | return NUMBER; | |
166 | } | |
167 | %% | |
168 |