git.m6w6.name Git - m6w6/ext-psi/blob - src/types/impl_var.h

   1 /*******************************************************************************
   2  Copyright (c) 2016, Michael Wallner <mike@php.net>.
   3  All rights reserved.
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   5  Redistribution and use in source and binary forms, with or without
   6  modification, are permitted provided that the following conditions are met:
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   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.
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  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
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  19  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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  24 *******************************************************************************/
  25
  26 #ifndef PSI_TYPES_IMPL_VAR_H
  27 #define PSI_TYPES_IMPL_VAR_H
  28
  29 struct psi_token;
  30 struct psi_impl;
  31 struct psi_impl_arg;
  32
  33 struct psi_impl_var {
  34         struct psi_token *token;
  35         char *name, *fqn;
  36         struct psi_impl_arg *arg;
  37         unsigned reference:1;
  38 };
  39
  40 struct psi_impl_var *psi_impl_var_init(const char *name, bool is_reference);
  41 struct psi_impl_var *psi_impl_var_copy(struct psi_impl_var *var);
  42 void psi_impl_var_free(struct psi_impl_var **var_ptr);
  43
  44 #include <string.h>
  45
  46 static inline char *psi_impl_var_name_prepend(char *current, const char *prepend) {
  47         size_t c_len = strlen(current);
  48         size_t p_len = strlen(prepend);
  49
  50         current = realloc(current, p_len
  51                         + c_len // includes '$'
  52                         + 1 // connecting dot
  53                         + 1 // terminating 0
  54         );
  55         if (current) {
  56                 if (c_len > 1) {
  57                         memmove(current + p_len + 1 + 1, current + 1, c_len - 1 + 1);
  58                         current[p_len + 1] = '.';
  59                 } else {
  60                         /* just '$' */
  61                         current[p_len + 1] = '\0';
  62                 }
  63                 memcpy(current + 1, prepend, p_len);
  64         }
  65         return current;
  66 }
  67
  68 bool psi_impl_var_validate(struct psi_data *data, struct psi_impl_var *ivar, struct psi_impl *impl,
  69                 struct psi_let_exp *current_let_exp, struct psi_set_exp *current_set_exp);
  70
  71 #endif