kc3-lang/kc3/libc3/sym.h

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• Hash : 5425201e
  Author : Thomas de Grivel
  Date : 2023-12-28T16:22:42
  

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• libc3/sym.h

• /* c3
   * Copyright 2022,2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  /**
   * @file sym.h
   * @brief Symbol data structure.
   *
   * Structure to manipulate symbols.
   * Symbols are strings that are deduplicated.
   * They are allocated once and only free'd at the end of the program.
   * Comparing symbols is fast : it's a pointer comparison.
   */
  #ifndef LIBC3_SYM_H
  #define LIBC3_SYM_H
  
  #include "types.h"
  
  #define SYM_MAX 1024
  
  const s_sym  * sym_1 (const s8 *p);
  const s_sym ** sym_init_1 (const s_sym **sym, const s8 *p);
  const s_sym ** sym_init_cast (const s_sym **sym, const s_tag *tag);
  const s_sym ** sym_init_copy (const s_sym **sym,
                                const s_sym * const *src);
  const s_sym ** sym_init_str (const s_sym **sym, const s_str *src);
  
  
  /* Heap-allocation functions, call sym_delete_all at exit. */
  void          sym_delete_all (void);
  const s_sym * sym_new (const s_str *src);
  
  /* Observers */
  bool          sym_character_is_reserved (character c);
  const s_sym * sym_find (const s_str *src);
  bool          sym_has_reserved_characters (const s_sym *sym);
  s_str *       sym_inspect (const s_sym *sym, s_str *dest);
  bool          sym_is_module (const s_sym *sym);
  bool          sym_to_ffi_type (const s_sym *sym, ffi_type *result_type,
                                 ffi_type **dest);
  bool          sym_to_tag_type (const s_sym *sym, e_tag_type *dest);
  bool          sym_type_size (const s_sym *type, uw *size);
  
  #endif /* LIBC3_SYM_H */
  

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