git.m6w6.name Git - m6w6/ext-psi/blob - src/types/cpp_macro_decl.c

   1 /*******************************************************************************
   2  Copyright (c) 2017, 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
  28 #include "cpp.h"
  29 #include "data.h"
  30
  31 struct psi_cpp_macro_decl *psi_cpp_macro_decl_init(struct psi_plist *sig,
  32                 struct psi_plist *tokens, struct psi_num_exp *exp)
  33 {
  34         struct psi_cpp_macro_decl *macro = calloc(1, sizeof(*macro));
  35         macro->exp = exp;
  36         macro->sig = sig;
  37         macro->tokens = tokens;
  38         return macro;
  39 }
  40
  41 void psi_cpp_macro_decl_free(struct psi_cpp_macro_decl **macro_ptr)
  42 {
  43         if (*macro_ptr) {
  44                 struct psi_cpp_macro_decl *macro = *macro_ptr;
  45
  46                 *macro_ptr = NULL;
  47                 if (macro->token) {
  48                         free(macro->token);
  49                 }
  50                 if (macro->exp) {
  51                         psi_num_exp_free(&macro->exp);
  52                 }
  53                 if (macro->sig) {
  54                         psi_plist_free(macro->sig);
  55                 }
  56                 if (macro->tokens) {
  57                         psi_plist_free(macro->tokens);
  58                 }
  59                 free(macro);
  60         }
  61 }
  62
  63 void psi_cpp_macro_decl_dump(int fd, struct psi_cpp_macro_decl *macro)
  64 {
  65         dprintf(fd, "%s", macro->token->text);
  66
  67         if (macro->sig) {
  68                 size_t i = 0;
  69                 struct psi_token *tok;
  70
  71                 dprintf(fd, "(");
  72                 while (psi_plist_get(macro->sig, i++, &tok)) {
  73                         dprintf(fd, "%s%s", i>1?",":"", tok->text);
  74                 }
  75                 dprintf(fd, ")");
  76         }
  77
  78         if (macro->exp) {
  79                 dprintf(fd, " ");
  80                 psi_num_exp_dump(fd, macro->exp);
  81                 if (!macro->tokens) abort();
  82         } else
  83         if (macro->tokens) {
  84                 size_t i = 0;
  85                 struct psi_token *tok;
  86
  87                 while (psi_plist_get(macro->tokens, i++, &tok)) {
  88                         switch (tok->type) {
  89                         case PSI_T_QUOTED_STRING:
  90                                 dprintf(fd, " \"%s\"", tok->text);
  91                                 break;
  92                         case PSI_T_QUOTED_CHAR:
  93                                 dprintf(fd, " '%s'", tok->text);
  94                                 break;
  95                         default:
  96                                 dprintf(fd, " %s", tok->text);
  97                         }
  98                 }
  99         }
 100 }
 101
 102 static inline bool cmp_token_list(struct psi_plist *l1, struct psi_plist *l2)
 103 {
 104         size_t c = psi_plist_count(l1), i;
 105
 106         if (c != psi_plist_count(l2)) {
 107                 return false;
 108         }
 109
 110         for (i = 0; i < c; ++i) {
 111                 struct psi_token *t1, *t2;
 112
 113                 psi_plist_get(l1, i, &t1);
 114                 psi_plist_get(l2, i, &t2);
 115
 116                 if (strcmp(t1->text, t2->text)) {
 117                         return false;
 118                 }
 119         }
 120
 121         return true;
 122 }
 123
 124 bool psi_cpp_macro_decl_equal(struct psi_cpp_macro_decl *d1, struct psi_cpp_macro_decl *d2)
 125 {
 126         if (d1->sig) {
 127                 if (!d2->sig) {
 128                         return false;
 129                 }
 130
 131                 if (!cmp_token_list(d1->sig, d2->sig)) {
 132                         return false;
 133                 }
 134         } else if (d2->sig) {
 135                 return false;
 136         }
 137
 138         if (d1->tokens) {
 139                 if (!d2->tokens) {
 140                         return false;
 141                 }
 142
 143                 if (!cmp_token_list(d1->tokens, d2->tokens)) {
 144                         return false;
 145                 }
 146         } else if (d2->tokens) {
 147                 return false;
 148         }
 149
 150         /* FIXME compare num_exps */
 151
 152         return true;
 153 }