git.m6w6.name Git - m6w6/ext-psi/blob - src/types/impl_func.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 struct psi_impl_func *psi_impl_func_init(zend_string *name,
  30                 struct psi_plist *args, struct psi_impl_type *type)
  31 {
  32         struct psi_impl_func *func = pecalloc(1, sizeof(*func), 1);
  33
  34         func->name = zend_string_copy(name);
  35         func->args = args ? : psi_plist_init((psi_plist_dtor) psi_impl_arg_free);
  36
  37         func->return_type = type;
  38
  39         return func;
  40 }
  41
  42 void psi_impl_func_free(struct psi_impl_func **f_ptr)
  43 {
  44         if (*f_ptr) {
  45                 struct psi_impl_func *f = *f_ptr;
  46
  47                 *f_ptr = NULL;
  48                 psi_token_free(&f->token);
  49
  50                 psi_impl_type_free(&f->return_type);
  51                 psi_plist_free(f->args);
  52
  53                 if (f->vararg) {
  54                         psi_impl_arg_free(&f->vararg);
  55                 }
  56
  57                 zend_string_release(f->name);
  58                 free(f);
  59         }
  60 }
  61
  62 bool psi_impl_func_validate(struct psi_data *data, struct psi_impl_func *func,
  63                 struct psi_validate_scope *scope)
  64 {
  65         int def = 0;
  66         size_t i = 0;
  67         struct psi_impl_arg *iarg;
  68
  69         while (psi_plist_get(func->args, i++, &iarg)) {
  70                 if (iarg->def) {
  71                         def = 1;
  72                         if (!psi_impl_def_val_validate(data, iarg->def, iarg->type, scope)) {
  73                                 return 0;
  74                         }
  75                 } else if (def) {
  76                         data->error(data, func->token, PSI_WARNING,
  77                                         "Non-optional argument %zu '$%s' of implementation '%s'"
  78                                         " follows optional argument",
  79                                         i + 1,
  80                                         iarg->var->name->val, func->name->val);
  81                         return false;
  82                 }
  83         }
  84
  85         return true;
  86 }
  87
  88 void psi_impl_func_dump(int fd, struct psi_impl_func *func)
  89 {
  90         dprintf(fd, "function %s(", func->name->val);
  91         if (func->args) {
  92                 size_t i = 0;
  93                 struct psi_impl_arg *iarg;
  94
  95                 while (psi_plist_get(func->args, i++, &iarg)) {
  96                         if (i > 1) {
  97                                 dprintf(fd, ", ");
  98                         }
  99                         psi_impl_arg_dump(fd, iarg, false);
 100                 }
 101
 102                 if (func->vararg) {
 103                         dprintf(fd, ", ");
 104                         psi_impl_arg_dump(fd, func->vararg, true);
 105                 }
 106         }
 107         dprintf(fd, ") : %s%s", func->return_reference ? "&" : "",
 108                         func->return_type->name->val);
 109 }