git.m6w6.name Git - m6w6/ext-psi/blob - 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_copy(data);
  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                 psi_token_free(&def->token);
  69                 switch (def->type) {
  70                 case PSI_T_NUMBER:
  71                         psi_num_exp_free(&def->data.num);
  72                         break;
  73
  74                 case PSI_T_STRING:
  75                         if (def->ival.zend.str) {
  76                                 zend_string_release(def->ival.zend.str);
  77                         }
  78                         break;
  79                 default:
  80                         break;
  81                 }
  82                 free(def);
  83         }
  84 }
  85
  86 bool psi_impl_def_val_validate(struct psi_data *data,
  87                 struct psi_impl_def_val *val, struct psi_impl_type *type,
  88                 struct psi_validate_scope *scope)
  89 {
  90         if (val->type == PSI_T_NULL) {
  91                 return true;
  92         } else if (val->type == PSI_T_NUMBER) {
  93                 if (!psi_num_exp_validate(data, val->data.num, scope)) {
  94                         return false;
  95                 }
  96         }
  97
  98         switch (type->type) {
  99         case PSI_T_BOOL:
 100                 val->ival.zend.bval = val->type == PSI_T_TRUE ? 1 : 0;
 101                 break;
 102
 103         /* macros */
 104         case PSI_T_NUMBER:
 105                 if (val->type == PSI_T_NUMBER) {
 106                         token_t typ = psi_num_exp_exec(val->data.num, &val->ival, NULL, scope->defs);
 107
 108                         switch (typ) {
 109                         case PSI_T_FLOAT:
 110                                 val->ival.dval = val->ival.fval;
 111                                 /* no break */
 112                         case PSI_T_DOUBLE:
 113                                 val->type = PSI_T_FLOAT;
 114                                 type->type = PSI_T_FLOAT;
 115                                 zend_string_release(type->name);
 116                                 type->name = zend_string_init(ZEND_STRL("float"), 1);
 117                                 break;
 118                         default:
 119                                 val->type = PSI_T_INT;
 120                                 type->type = PSI_T_INT;
 121                                 zend_string_release(type->name);
 122                                 type->name = zend_string_init(ZEND_STRL("int"), 1);
 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->val);
 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 }