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         } else if (macro->tokens) {
  82                 size_t i = 0;
  83                 struct psi_token *tok;
  84
  85                 while (psi_plist_get(macro->tokens, i++, &tok)) {
  86                         switch (tok->type) {
  87                         case PSI_T_QUOTED_STRING:
  88                                 dprintf(fd, " \"%s\"", tok->text);
  89                                 break;
  90                         case PSI_T_QUOTED_CHAR:
  91                                 dprintf(fd, " '%s'", tok->text);
  92                                 break;
  93                         default:
  94                                 dprintf(fd, " %s", tok->text);
  95                         }
  96                 }
  97         }
  98 }
  99
 100 static inline bool cmp_token_list(struct psi_plist *l1, struct psi_plist *l2)
 101 {
 102         size_t c = psi_plist_count(l1), i;
 103
 104         if (c != psi_plist_count(l2)) {
 105                 return false;
 106         }
 107
 108         for (i = 0; i < c; ++i) {
 109                 struct psi_token *t1, *t2;
 110
 111                 psi_plist_get(l1, i, &t1);
 112                 psi_plist_get(l2, i, &t2);
 113
 114                 if (strcmp(t1->text, t2->text)) {
 115                         return false;
 116                 }
 117         }
 118
 119         return true;
 120 }
 121
 122 bool psi_cpp_macro_decl_equal(struct psi_cpp_macro_decl *d1, struct psi_cpp_macro_decl *d2)
 123 {
 124         if (d1->sig) {
 125                 if (!d2->sig) {
 126                         return false;
 127                 }
 128
 129                 if (!cmp_token_list(d1->sig, d2->sig)) {
 130                         return false;
 131                 }
 132         }
 133
 134         if (d1->tokens) {
 135                 if (!d2->tokens) {
 136                         return false;
 137                 }
 138
 139                 if (!cmp_token_list(d1->tokens, d2->tokens)) {
 140                         return false;
 141                 }
 142         }
 143
 144         /* FIXME compare num_exps */
 145
 146         return true;
 147 }