impl_def_val: handle INF/NAN
[m6w6/ext-psi] / src / types / impl_def_val.c
1 /*******************************************************************************
2 Copyright (c) 2016, Michael Wallner <mike@php.net>.
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *******************************************************************************/
25
26 #include "php_psi_stdinc.h"
27 #include "data.h"
28
29 #include <assert.h>
30 #include <math.h>
31
32 struct psi_impl_def_val *psi_impl_def_val_init(token_t t, void *data)
33 {
34 struct psi_impl_def_val *def = calloc(1, sizeof(*def));
35
36 switch ((def->type = t)) {
37 case PSI_T_TRUE:
38 case PSI_T_FALSE:
39 case PSI_T_NULL:
40 break;
41 case PSI_T_QUOTED_STRING:
42 /* immediate upgrade */
43 def->type = PSI_T_STRING;
44 /* no break */
45 case PSI_T_STRING:
46 if (data) {
47 def->ival.zend.str = zend_string_init(data, strlen(data), 1);
48 }
49 break;
50
51 case PSI_T_NUMBER:
52 def->data.num = data;
53 break;
54
55 default:
56 assert(0);
57 }
58
59 return def;
60 }
61
62 void psi_impl_def_val_free(struct psi_impl_def_val **def_ptr)
63 {
64 if (*def_ptr) {
65 struct psi_impl_def_val *def = *def_ptr;
66
67 *def_ptr = NULL;
68 if (def->token) {
69 free(def->token);
70 }
71 switch (def->type) {
72 case PSI_T_NUMBER:
73 psi_num_exp_free(&def->data.num);
74 break;
75
76 case PSI_T_STRING:
77 if (def->ival.zend.str) {
78 zend_string_release(def->ival.zend.str);
79 }
80 break;
81 default:
82 break;
83 }
84 free(def);
85 }
86 }
87
88 bool psi_impl_def_val_validate(struct psi_data *data,
89 struct psi_impl_def_val *val, struct psi_impl_type *type,
90 struct psi_validate_scope *scope)
91 {
92 if (val->type == PSI_T_NULL) {
93 return true;
94 } else if (val->type == PSI_T_NUMBER) {
95 if (!psi_num_exp_validate(data, val->data.num, scope)) {
96 return false;
97 }
98 }
99
100 switch (type->type) {
101 case PSI_T_BOOL:
102 val->ival.zend.bval = val->type == PSI_T_TRUE ? 1 : 0;
103 break;
104
105 /* macros */
106 case PSI_T_NUMBER:
107 if (val->type == PSI_T_NUMBER) {
108 token_t typ = psi_num_exp_exec(val->data.num, &val->ival, NULL, scope->defs);
109
110 switch (typ) {
111 case PSI_T_FLOAT:
112 val->ival.dval = val->ival.fval;
113 /* no break */
114 case PSI_T_DOUBLE:
115 val->type = PSI_T_FLOAT;
116 type->type = PSI_T_FLOAT;
117 strcpy(type->name, "float");
118 break;
119 default:
120 val->type = PSI_T_INT;
121 type->type = PSI_T_INT;
122 strcpy(type->name, "int");
123 break;
124 }
125 psi_num_exp_free(&val->data.num);
126 return true;
127 }
128 break;
129
130 case PSI_T_INT:
131 if (val->type == PSI_T_NUMBER) {
132 val->type = PSI_T_INT;
133 val->ival.zend.lval = psi_num_exp_get_long(val->data.num, NULL, scope->defs);
134 psi_num_exp_free(&val->data.num);
135 }
136 if (val->type == PSI_T_INT) {
137 return true;
138 }
139 break;
140
141 case PSI_T_FLOAT:
142 case PSI_T_DOUBLE:
143 if (val->type == PSI_T_NUMBER) {
144 val->type = PSI_T_DOUBLE;
145 val->ival.dval = psi_num_exp_get_double(val->data.num, NULL, scope->defs);
146 psi_num_exp_free(&val->data.num);
147 }
148 if (val->type == PSI_T_DOUBLE) {
149 return true;
150 }
151 break;
152
153 case PSI_T_STRING:
154 if (val->type == PSI_T_STRING) {
155 return true;
156 }
157 break;
158
159 default:
160 data->error(data, val->token, PSI_WARNING,
161 "Invalid default value type '%s', "
162 "expected one of bool, int, float, string.",
163 type->name);
164 }
165
166 return false;
167 }
168
169 void psi_impl_def_val_dump(int fd, struct psi_impl_def_val *val) {
170 switch (val->type) {
171 case PSI_T_NULL:
172 dprintf(fd, "NULL");
173 break;
174 case PSI_T_TRUE:
175 dprintf(fd, "true");
176 break;
177 case PSI_T_FALSE:
178 dprintf(fd, "false");
179 break;
180 case PSI_T_BOOL:
181 dprintf(fd, "%s", val->ival.zend.bval ? "true" : "false");
182 break;
183 case PSI_T_INT:
184 dprintf(fd, "%ld", val->ival.zend.lval);
185 break;
186 case PSI_T_FLOAT:
187 case PSI_T_DOUBLE:
188 if (isinf(val->ival.dval)) {
189 dprintf(fd, "\\INF");
190 } else if (isnan(val->ival.dval)) {
191 dprintf(fd, "\\NAN");
192 } else {
193 dprintf(fd, "%" PRIdval, val->ival.dval);
194 }
195 break;
196 case PSI_T_STRING:
197 dprintf(fd, "\"%s\"", val->ival.zend.str->val);
198 break;
199 default:
200 assert(0);
201 }
202 }