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 = pecalloc(1, sizeof(*macro), 1);
  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                 psi_token_free(&macro->token);
  48                 if (macro->exp) {
  49                         psi_num_exp_free(&macro->exp);
  50                 }
  51                 if (macro->sig) {
  52                         psi_plist_free(macro->sig);
  53                 }
  54                 if (macro->tokens) {
  55                         psi_plist_free(macro->tokens);
  56                 }
  57                 free(macro);
  58         }
  59 }
  60
  61 void psi_cpp_macro_decl_dump(struct psi_dump *dump, struct psi_cpp_macro_decl *macro)
  62 {
  63         PSI_DUMP(dump, "%s", macro->token->text->val);
  64
  65         if (macro->sig) {
  66                 size_t i = 0;
  67                 struct psi_token *tok;
  68
  69                 PSI_DUMP(dump, "(");
  70                 while (psi_plist_get(macro->sig, i++, &tok)) {
  71                         PSI_DUMP(dump, "%s%s", i>1?",":"", tok->text->val);
  72                 }
  73                 PSI_DUMP(dump, ")");
  74         }
  75
  76         if (macro->exp) {
  77                 PSI_DUMP(dump, " ");
  78                 psi_num_exp_dump(dump, macro->exp);
  79
  80                 assert(macro->tokens);
  81
  82         } else if (macro->tokens) {
  83                 size_t i = 0;
  84                 struct psi_token *tok;
  85
  86                 while (psi_plist_get(macro->tokens, i++, &tok)) {
  87                         switch (tok->type) {
  88                         case PSI_T_QUOTED_STRING:
  89                                 PSI_DUMP(dump, " \"%s\"", tok->text->val);
  90                                 break;
  91                         case PSI_T_QUOTED_CHAR:
  92                                 PSI_DUMP(dump, " '%s'", tok->text->val);
  93                                 break;
  94                         default:
  95                                 PSI_DUMP(dump, " %s", tok->text->val);
  96                         }
  97                 }
  98         }
  99 }
 100
 101 static inline bool cmp_token_list(struct psi_plist *l1, struct psi_plist *l2)
 102 {
 103         size_t c = psi_plist_count(l1), i;
 104
 105         if (c != psi_plist_count(l2)) {
 106                 return false;
 107         }
 108
 109         for (i = 0; i < c; ++i) {
 110                 struct psi_token *t1, *t2;
 111
 112                 psi_plist_get(l1, i, &t1);
 113                 psi_plist_get(l2, i, &t2);
 114
 115                 if (!zend_string_equals(t1->text, t2->text)) {
 116                         return false;
 117                 }
 118         }
 119
 120         return true;
 121 }
 122
 123 bool psi_cpp_macro_decl_equal(struct psi_cpp_macro_decl *d1, struct psi_cpp_macro_decl *d2)
 124 {
 125         if (d1->sig) {
 126                 if (!d2->sig) {
 127                         return false;
 128                 }
 129
 130                 if (!cmp_token_list(d1->sig, d2->sig)) {
 131                         return false;
 132                 }
 133         } else if (d2->sig) {
 134                 return false;
 135         }
 136
 137         if (d1->tokens) {
 138                 if (!d2->tokens) {
 139                         return false;
 140                 }
 141
 142                 if (!cmp_token_list(d1->tokens, d2->tokens)) {
 143                         return false;
 144                 }
 145         } else if (d2->tokens) {
 146                 return false;
 147         }
 148
 149         /* FIXME compare num_exps */
 150
 151         return true;
 152 }