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/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <stdlib.h>
#include <string.h>
#define LKC_DIRECT_LINK
#include "lkc.h"
struct menu rootmenu;
struct menu *current_menu, *current_entry;
static struct menu **last_entry_ptr;
struct file *file_list;
struct file *current_file;
void menu_init(void)
{
current_entry = current_menu = &rootmenu;
last_entry_ptr = &rootmenu.list;
}
void menu_add_entry(struct symbol *sym)
{
struct menu *menu;
menu = malloc(sizeof(*menu));
memset(menu, 0, sizeof(*menu));
menu->sym = sym;
menu->parent = current_menu;
menu->file = current_file;
menu->lineno = zconf_lineno();
*last_entry_ptr = menu;
last_entry_ptr = &menu->next;
current_entry = menu;
}
void menu_end_entry(void)
{
}
void menu_add_menu(void)
{
current_menu = current_entry;
last_entry_ptr = ¤t_entry->list;
}
void menu_end_menu(void)
{
last_entry_ptr = ¤t_menu->next;
current_menu = current_menu->parent;
}
void menu_add_dep(struct expr *dep)
{
current_entry->dep = expr_alloc_and(current_entry->dep, dep);
}
void menu_set_type(int type)
{
struct symbol *sym = current_entry->sym;
if (sym->type == type)
return;
if (sym->type == S_UNKNOWN) {
sym->type = type;
return;
}
fprintf(stderr, "%s:%d: type of '%s' redefined from '%s' to '%s'\n",
current_entry->file->name, current_entry->lineno,
sym->name ? sym->name : "<choice>", sym_type_name(sym->type), sym_type_name(type));
}
struct property *create_prop(enum prop_type type)
{
struct property *prop;
prop = malloc(sizeof(*prop));
memset(prop, 0, sizeof(*prop));
prop->type = type;
prop->file = current_file;
prop->lineno = zconf_lineno();
return prop;
}
struct property *menu_add_prop(int token, char *prompt, struct symbol *def, struct expr *dep)
{
struct property *prop = create_prop(token);
struct property **propp;
prop->sym = current_entry->sym;
prop->menu = current_entry;
prop->text = prompt;
prop->def = def;
E_EXPR(prop->visible) = dep;
if (prompt)
current_entry->prompt = prop;
/* append property to the prop list of symbol */
if (prop->sym) {
for (propp = &prop->sym->prop; *propp; propp = &(*propp)->next)
;
*propp = prop;
}
return prop;
}
void menu_add_prompt(int token, char *prompt, struct expr *dep)
{
current_entry->prompt = menu_add_prop(token, prompt, NULL, dep);
}
void menu_add_default(int token, struct symbol *def, struct expr *dep)
{
current_entry->prompt = menu_add_prop(token, NULL, def, dep);
}
void menu_finalize(struct menu *parent)
{
struct menu *menu, *last_menu;
struct symbol *sym;
struct property *prop;
struct expr *parentdep, *basedep, *dep, *dep2;
sym = parent->sym;
if (parent->list) {
if (sym && sym_is_choice(sym)) {
/* find the first choice value and find out choice type */
for (menu = parent->list; menu; menu = menu->next) {
if (menu->sym) {
current_entry = parent;
menu_set_type(menu->sym->type);
current_entry = menu;
menu_set_type(sym->type);
break;
}
}
parentdep = expr_alloc_symbol(sym);
} else if (parent->prompt)
parentdep = E_EXPR(parent->prompt->visible);
else
parentdep = parent->dep;
for (menu = parent->list; menu; menu = menu->next) {
basedep = expr_transform(menu->dep);
basedep = expr_alloc_and(expr_copy(parentdep), basedep);
basedep = expr_eliminate_dups(basedep);
menu->dep = basedep;
if (menu->sym)
prop = menu->sym->prop;
else
prop = menu->prompt;
for (; prop; prop = prop->next) {
if (prop->menu != menu)
continue;
dep = expr_transform(E_EXPR(prop->visible));
dep = expr_alloc_and(expr_copy(basedep), dep);
dep = expr_eliminate_dups(dep);
if (menu->sym && menu->sym->type != S_TRISTATE)
dep = expr_trans_bool(dep);
E_EXPR(prop->visible) = dep;
}
}
for (menu = parent->list; menu; menu = menu->next)
menu_finalize(menu);
} else if (sym && parent->prompt) {
basedep = E_EXPR(parent->prompt->visible);
basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
basedep = expr_eliminate_dups(expr_transform(basedep));
last_menu = NULL;
for (menu = parent->next; menu; menu = menu->next) {
dep = menu->prompt ? E_EXPR(menu->prompt->visible) : menu->dep;
if (!expr_contains_symbol(dep, sym))
break;
if (expr_depends_symbol(dep, sym))
goto next;
dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
dep = expr_eliminate_dups(expr_transform(dep));
dep2 = expr_copy(basedep);
expr_eliminate_eq(&dep, &dep2);
expr_free(dep);
if (!expr_is_yes(dep2)) {
expr_free(dep2);
break;
}
expr_free(dep2);
next:
menu_finalize(menu);
menu->parent = parent;
last_menu = menu;
}
if (last_menu) {
parent->list = parent->next;
parent->next = last_menu->next;
last_menu->next = NULL;
}
}
for (menu = parent->list; menu; menu = menu->next) {
if (sym && sym_is_choice(sym) && menu->sym) {
menu->sym->flags |= SYMBOL_CHOICEVAL;
current_entry = menu;
menu_set_type(sym->type);
menu_add_prop(P_CHOICE, NULL, parent->sym, NULL);
prop = sym_get_choice_prop(parent->sym);
//dep = expr_alloc_one(E_CHOICE, dep);
//dep->right.sym = menu->sym;
prop->dep = expr_alloc_one(E_CHOICE, prop->dep);
prop->dep->right.sym = menu->sym;
}
if (menu->list && (!menu->prompt || !menu->prompt->text)) {
for (last_menu = menu->list; ; last_menu = last_menu->next) {
last_menu->parent = parent;
if (!last_menu->next)
break;
}
last_menu->next = menu->next;
menu->next = menu->list;
menu->list = NULL;
}
}
}
bool menu_is_visible(struct menu *menu)
{
tristate visible;
if (!menu->prompt)
return false;
if (menu->sym) {
sym_calc_value(menu->sym);
visible = E_TRI(menu->prompt->visible);
} else
visible = E_CALC(menu->prompt->visible);
return visible != no;
}
const char *menu_get_prompt(struct menu *menu)
{
if (menu->prompt)
return menu->prompt->text;
else if (menu->sym)
return menu->sym->name;
return NULL;
}
struct menu *menu_get_root_menu(struct menu *menu)
{
return &rootmenu;
}
struct menu *menu_get_parent_menu(struct menu *menu)
{
enum prop_type type;
while (menu != &rootmenu) {
menu = menu->parent;
type = menu->prompt ? menu->prompt->type : 0;
if (type == P_MENU || type == P_ROOTMENU)
break;
}
return menu;
}
struct file *file_lookup(const char *name)
{
struct file *file;
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name))
return file;
}
file = malloc(sizeof(*file));
memset(file, 0, sizeof(*file));
file->name = strdup(name);
file->next = file_list;
file_list = file;
return file;
}
int file_write_dep(const char *name)
{
struct file *file;
FILE *out;
if (!name)
name = ".config.cmd";
out = fopen(".config.tmp", "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
for (file = file_list; file; file = file->next) {
if (file->next)
fprintf(out, "\t%s \\\n", file->name);
else
fprintf(out, "\t%s\n", file->name);
}
fprintf(out, "\n.config include/config.h: $(deps_config)\n\n$(deps_config):\n");
fclose(out);
rename(".config.tmp", name);
return 0;
}
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