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                         dprintf(fd, " %s", tok->text);
  87                 }
  88         }
  89 }
  90
  91 static inline bool cmp_token_list(struct psi_plist *l1, struct psi_plist *l2)
  92 {
  93         size_t c = psi_plist_count(l1), i;
  94
  95         if (c != psi_plist_count(l2)) {
  96                 return false;
  97         }
  98
  99         for (i = 0; i < c; ++i) {
 100                 struct psi_token *t1, *t2;
 101
 102                 psi_plist_get(l1, i, &t1);
 103                 psi_plist_get(l2, i, &t2);
 104
 105                 if (strcmp(t1->text, t2->text)) {
 106                         return false;
 107                 }
 108         }
 109
 110         return true;
 111 }
 112
 113 bool psi_cpp_macro_decl_equal(struct psi_cpp_macro_decl *d1, struct psi_cpp_macro_decl *d2)
 114 {
 115         if (d1->sig) {
 116                 if (!d2->sig) {
 117                         return false;
 118                 }
 119
 120                 if (!cmp_token_list(d1->sig, d2->sig)) {
 121                         return false;
 122                 }
 123         }
 124
 125         if (d1->tokens) {
 126                 if (!d2->tokens) {
 127                         return false;
 128                 }
 129
 130                 if (!cmp_token_list(d1->tokens, d2->tokens)) {
 131                         return false;
 132                 }
 133         }
 134
 135         /* FIXME compare num_exps */
 136
 137         return true;
 138 }