///////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT NOTICE
//
// The following open source license statement does not apply to any
// entity in the Exception List published by FMSoft.
//
// For more information, please visit:
//
// https://www.fmsoft.cn/exception-list
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//////////////////////////////////////////////////////////////////////////////
/*
 * tkparse.h
 */

/*
 * Token types (mostly statement types).
 */

enum e_token
{
 token_UNKNOWN,
 token_bool,
 token_choice_header,
 token_choice_item,
 token_comment,
 token_define_bool,
 token_define_hex,
 token_define_int,
 token_define_string,
 token_define_tristate,
 token_dep_bool,
 token_dep_mbool,
 token_dep_tristate,
 token_else,
 token_endmenu,
 token_fi,
 token_hex,
 token_if,
 token_int,
 token_mainmenu_name,
 token_mainmenu_option,
 token_source,
 token_string,
 token_then,
 token_tristate,
 token_unset,
};

/*
 * Operator types for conditionals.
 */

enum operator
{
 op_eq,
 op_neq,
 op_and,
 op_and1,
 op_or,
 op_bang,
 op_lparen,
 op_rparen,
 op_constant,
 op_variable,
 op_true,
 op_false,
 op_nuked
};

/*
 * Conditions come in linked lists.
 * Some operators take strings:
 *
 * op_constant "foo"
 * op_variable "$ARCH", "$CONFIG_PMAC", "$CONFIG_EXPERIMENTAL"
 *
 * Most "$..." constructs refer to a variable which is defined somewhere
 * in the script. Note that it is legal to test variables which are never
 * defined, such as variables that are meaningful only on other architectures.
 */

struct condition
{
 struct condition * next;
 enum operator op;
 const char * str; /* op_constant */
 int nameindex; /* op_variable */
};

/*
 * Dependency list for dep_bool, dep_mbool, dep_tristate
 */

struct dependency
{
 char * name;
 struct dependency * next;
};

/*
 * A statement from a config.in file
 */

struct kconfig
{
 struct kconfig * next;
 enum e_token token;
 int nameindex;
 char * label;
 char * value;
 struct condition * cond;
 struct dependency * depend; /* token_dep_tristate */
 struct kconfig * cfg_parent; /* token_choice_item */

 /* used only in tkgen.c */
 int menu_number;
 int menu_line;
 struct kconfig * menu_next;
};

struct variable
{
 char * name;
 char defined;
 char global_written;
};

extern struct variable *vartable;
extern int max_varnum;

/*
 * Prototypes
 */

extern void fix_conditionals ( struct kconfig * scfg ); /* tkcond.c */
extern void dump_tk_script ( struct kconfig * scfg ); /* tkgen.c */
extern int get_varnum ( char * name ); /* tkparse.c */