/* SPDX-License-Identifier: GPL-2.0 */

  /*
   * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>

   */
  
  #ifndef LKC_H
  #define LKC_H
  
  #include "expr.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif

  #include "lkc_proto.h"

  
  #define SRCTREE "srctree"

  #ifndef PACKAGE

  #define PACKAGE "linux"

  #endif

  #ifndef CONFIG_
  #define CONFIG_ "CONFIG_"
  #endif

  static inline const char *CONFIG_prefix(void)
  {

  	return getenv( "CONFIG_" ) ?: CONFIG_;

  }
  #undef CONFIG_
  #define CONFIG_ CONFIG_prefix()

  enum conf_def_mode {
  	def_default,
  	def_yes,
  	def_mod,

  	def_y2m,
  	def_m2y,

  	def_no,
  	def_random
  };

  extern int yylineno;

  void zconfdump(FILE *out);

  void zconf_starthelp(void);
  FILE *zconf_fopen(const char *name);
  void zconf_initscan(const char *name);
  void zconf_nextfile(const char *name);
  int zconf_lineno(void);

  const char *zconf_curname(void);

  
  /* confdata.c */

  const char *conf_get_configname(void);

  void sym_set_change_count(int count);
  void sym_add_change_count(int count);

  bool conf_set_all_new_symbols(enum conf_def_mode mode);

  void conf_rewrite_mod_or_yes(enum conf_def_mode mode);

  void set_all_choice_values(struct symbol *csym);

  /* confdata.c and expr.c */
  static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
  {

  	assert(len != 0);
  
  	if (fwrite(str, len, count, out) != count)
  		fprintf(stderr, "Error in writing or end of file.
  ");

  }

  /* util.c */
  struct file *file_lookup(const char *name);

  void *xmalloc(size_t size);
  void *xcalloc(size_t nmemb, size_t size);

  void *xrealloc(void *p, size_t size);

  char *xstrdup(const char *s);

  char *xstrndup(const char *s, size_t n);

  /* lexer.l */

  int yylex(void);

  struct gstr {
  	size_t len;
  	char  *s;

  	/*
  	* when max_width is not zero long lines in string s (if any) get
  	* wrapped not to exceed the max_width value
  	*/
  	int max_width;

  };
  struct gstr str_new(void);

  void str_free(struct gstr *gs);
  void str_append(struct gstr *gs, const char *s);
  void str_printf(struct gstr *gs, const char *fmt, ...);
  const char *str_get(struct gstr *gs);

  /* menu.c */
  void _menu_init(void);
  void menu_warn(struct menu *menu, const char *fmt, ...);
  struct menu *menu_add_menu(void);
  void menu_end_menu(void);
  void menu_add_entry(struct symbol *sym);
  void menu_add_dep(struct expr *dep);
  void menu_add_visibility(struct expr *dep);
  struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
  void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
  void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
  void menu_add_option_modules(void);
  void menu_add_option_defconfig_list(void);
  void menu_add_option_allnoconfig_y(void);
  void menu_finalize(struct menu *parent);
  void menu_set_type(int type);
  
  extern struct menu rootmenu;
  
  bool menu_is_empty(struct menu *menu);
  bool menu_is_visible(struct menu *menu);
  bool menu_has_prompt(struct menu *menu);
  const char *menu_get_prompt(struct menu *menu);
  struct menu *menu_get_root_menu(struct menu *menu);
  struct menu *menu_get_parent_menu(struct menu *menu);
  bool menu_has_help(struct menu *menu);
  const char *menu_get_help(struct menu *menu);
  struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
  void menu_get_ext_help(struct menu *menu, struct gstr *help);

  /* symbol.c */

  void sym_clear_all_valid(void);

  struct symbol *sym_choice_default(struct symbol *sym);

  struct property *sym_get_range_prop(struct symbol *sym);

  const char *sym_get_string_default(struct symbol *sym);

  struct symbol *sym_check_deps(struct symbol *sym);

  struct symbol *prop_get_symbol(struct property *prop);
  
  static inline tristate sym_get_tristate_value(struct symbol *sym)
  {
  	return sym->curr.tri;
  }
  
  
  static inline struct symbol *sym_get_choice_value(struct symbol *sym)
  {
  	return (struct symbol *)sym->curr.val;
  }
  
  static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval)
  {
  	return sym_set_tristate_value(chval, yes);
  }
  
  static inline bool sym_is_choice(struct symbol *sym)
  {
  	return sym->flags & SYMBOL_CHOICE ? true : false;
  }
  
  static inline bool sym_is_choice_value(struct symbol *sym)
  {
  	return sym->flags & SYMBOL_CHOICEVAL ? true : false;
  }
  
  static inline bool sym_is_optional(struct symbol *sym)
  {
  	return sym->flags & SYMBOL_OPTIONAL ? true : false;
  }
  
  static inline bool sym_has_value(struct symbol *sym)
  {

  	return sym->flags & SYMBOL_DEF_USER ? true : false;

  }
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* LKC_H */