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62 |
marcus.erl |
/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <stdlib.h>
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#include <string.h>
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#define LKC_DIRECT_LINK
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#include "lkc.h"
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struct menu rootmenu;
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static struct menu **last_entry_ptr;
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struct file *file_list;
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struct file *current_file;
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static void menu_warn(struct menu *menu, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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}
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static void prop_warn(struct property *prop, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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}
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void menu_init(void)
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{
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current_entry = current_menu = &rootmenu;
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last_entry_ptr = &rootmenu.list;
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}
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void menu_add_entry(struct symbol *sym)
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{
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struct menu *menu;
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menu = malloc(sizeof(*menu));
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memset(menu, 0, sizeof(*menu));
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menu->sym = sym;
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menu->parent = current_menu;
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menu->file = current_file;
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menu->lineno = zconf_lineno();
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*last_entry_ptr = menu;
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last_entry_ptr = &menu->next;
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current_entry = menu;
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}
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void menu_end_entry(void)
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{
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}
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struct menu *menu_add_menu(void)
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{
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menu_end_entry();
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last_entry_ptr = ¤t_entry->list;
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return current_menu = current_entry;
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}
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void menu_end_menu(void)
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{
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last_entry_ptr = ¤t_menu->next;
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current_menu = current_menu->parent;
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}
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struct expr *menu_check_dep(struct expr *e)
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{
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if (!e)
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return e;
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| 82 |
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switch (e->type) {
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case E_NOT:
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e->left.expr = menu_check_dep(e->left.expr);
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break;
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case E_OR:
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case E_AND:
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e->left.expr = menu_check_dep(e->left.expr);
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e->right.expr = menu_check_dep(e->right.expr);
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break;
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case E_SYMBOL:
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/* change 'm' into 'm' && MODULES */
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if (e->left.sym == &symbol_mod)
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return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
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break;
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default:
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break;
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| 98 |
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}
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return e;
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| 100 |
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}
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| 102 |
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void menu_add_dep(struct expr *dep)
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{
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current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
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}
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| 107 |
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void menu_set_type(int type)
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{
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| 109 |
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struct symbol *sym = current_entry->sym;
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| 110 |
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| 111 |
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if (sym->type == type)
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return;
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| 113 |
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if (sym->type == S_UNKNOWN) {
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sym->type = type;
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return;
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| 116 |
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}
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menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
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sym->name ? sym->name : "<choice>",
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sym_type_name(sym->type), sym_type_name(type));
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}
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struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
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{
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struct property *prop = prop_alloc(type, current_entry->sym);
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prop->menu = current_entry;
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prop->expr = expr;
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prop->visible.expr = menu_check_dep(dep);
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if (prompt) {
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if (isspace(*prompt)) {
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prop_warn(prop, "leading whitespace ignored");
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while (isspace(*prompt))
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prompt++;
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}
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if (current_entry->prompt)
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prop_warn(prop, "prompt redefined");
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current_entry->prompt = prop;
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}
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prop->text = prompt;
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| 142 |
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return prop;
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}
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| 144 |
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| 145 |
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struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
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{
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return menu_add_prop(type, prompt, NULL, dep);
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}
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| 149 |
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| 150 |
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void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
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{
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menu_add_prop(type, NULL, expr, dep);
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}
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| 154 |
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| 155 |
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void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
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| 156 |
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{
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menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
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| 158 |
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}
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| 159 |
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| 160 |
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void menu_add_option(int token, char *arg)
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{
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| 162 |
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struct property *prop;
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switch (token) {
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case T_OPT_MODULES:
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prop = prop_alloc(P_DEFAULT, modules_sym);
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prop->expr = expr_alloc_symbol(current_entry->sym);
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break;
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case T_OPT_DEFCONFIG_LIST:
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if (!sym_defconfig_list)
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sym_defconfig_list = current_entry->sym;
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else if (sym_defconfig_list != current_entry->sym)
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zconf_error("trying to redefine defconfig symbol");
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break;
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}
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| 176 |
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}
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| 178 |
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static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
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{
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return sym2->type == S_INT || sym2->type == S_HEX ||
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(sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
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}
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| 183 |
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| 184 |
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void sym_check_prop(struct symbol *sym)
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{
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struct property *prop;
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struct symbol *sym2;
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for (prop = sym->prop; prop; prop = prop->next) {
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switch (prop->type) {
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case P_DEFAULT:
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if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
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prop->expr->type != E_SYMBOL)
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prop_warn(prop,
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"default for config symbol '%'"
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" must be a single symbol", sym->name);
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break;
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| 197 |
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case P_SELECT:
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sym2 = prop_get_symbol(prop);
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if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
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prop_warn(prop,
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"config symbol '%s' uses select, but is "
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| 202 |
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"not boolean or tristate", sym->name);
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| 203 |
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else if (sym2->type == S_UNKNOWN)
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| 204 |
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prop_warn(prop,
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| 205 |
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"'select' used by config symbol '%s' "
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| 206 |
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"refers to undefined symbol '%s'",
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| 207 |
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sym->name, sym2->name);
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| 208 |
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else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
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| 209 |
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prop_warn(prop,
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| 210 |
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"'%s' has wrong type. 'select' only "
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| 211 |
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"accept arguments of boolean and "
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| 212 |
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"tristate type", sym2->name);
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| 213 |
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break;
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| 214 |
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case P_RANGE:
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| 215 |
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if (sym->type != S_INT && sym->type != S_HEX)
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| 216 |
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prop_warn(prop, "range is only allowed "
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| 217 |
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"for int or hex symbols");
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| 218 |
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if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
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| 219 |
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!menu_range_valid_sym(sym, prop->expr->right.sym))
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| 220 |
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prop_warn(prop, "range is invalid");
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| 221 |
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break;
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| 222 |
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default:
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| 223 |
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;
|
| 224 |
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}
|
| 225 |
|
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}
|
| 226 |
|
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}
|
| 227 |
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|
| 228 |
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void menu_finalize(struct menu *parent)
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| 229 |
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{
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| 230 |
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struct menu *menu, *last_menu;
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| 231 |
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struct symbol *sym;
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| 232 |
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struct property *prop;
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| 233 |
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struct expr *parentdep, *basedep, *dep, *dep2, **ep;
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| 234 |
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| 235 |
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sym = parent->sym;
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| 236 |
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if (parent->list) {
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| 237 |
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if (sym && sym_is_choice(sym)) {
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| 238 |
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/* find the first choice value and find out choice type */
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| 239 |
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for (menu = parent->list; menu; menu = menu->next) {
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| 240 |
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if (menu->sym) {
|
| 241 |
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current_entry = parent;
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| 242 |
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menu_set_type(menu->sym->type);
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| 243 |
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current_entry = menu;
|
| 244 |
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menu_set_type(sym->type);
|
| 245 |
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break;
|
| 246 |
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}
|
| 247 |
|
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}
|
| 248 |
|
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parentdep = expr_alloc_symbol(sym);
|
| 249 |
|
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} else if (parent->prompt)
|
| 250 |
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parentdep = parent->prompt->visible.expr;
|
| 251 |
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else
|
| 252 |
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parentdep = parent->dep;
|
| 253 |
|
|
|
| 254 |
|
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for (menu = parent->list; menu; menu = menu->next) {
|
| 255 |
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basedep = expr_transform(menu->dep);
|
| 256 |
|
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basedep = expr_alloc_and(expr_copy(parentdep), basedep);
|
| 257 |
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basedep = expr_eliminate_dups(basedep);
|
| 258 |
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menu->dep = basedep;
|
| 259 |
|
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if (menu->sym)
|
| 260 |
|
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prop = menu->sym->prop;
|
| 261 |
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else
|
| 262 |
|
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prop = menu->prompt;
|
| 263 |
|
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for (; prop; prop = prop->next) {
|
| 264 |
|
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if (prop->menu != menu)
|
| 265 |
|
|
continue;
|
| 266 |
|
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dep = expr_transform(prop->visible.expr);
|
| 267 |
|
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dep = expr_alloc_and(expr_copy(basedep), dep);
|
| 268 |
|
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dep = expr_eliminate_dups(dep);
|
| 269 |
|
|
if (menu->sym && menu->sym->type != S_TRISTATE)
|
| 270 |
|
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dep = expr_trans_bool(dep);
|
| 271 |
|
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prop->visible.expr = dep;
|
| 272 |
|
|
if (prop->type == P_SELECT) {
|
| 273 |
|
|
struct symbol *es = prop_get_symbol(prop);
|
| 274 |
|
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es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
|
| 275 |
|
|
expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
|
| 276 |
|
|
}
|
| 277 |
|
|
}
|
| 278 |
|
|
}
|
| 279 |
|
|
for (menu = parent->list; menu; menu = menu->next)
|
| 280 |
|
|
menu_finalize(menu);
|
| 281 |
|
|
} else if (sym) {
|
| 282 |
|
|
basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
|
| 283 |
|
|
basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
|
| 284 |
|
|
basedep = expr_eliminate_dups(expr_transform(basedep));
|
| 285 |
|
|
last_menu = NULL;
|
| 286 |
|
|
for (menu = parent->next; menu; menu = menu->next) {
|
| 287 |
|
|
dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
|
| 288 |
|
|
if (!expr_contains_symbol(dep, sym))
|
| 289 |
|
|
break;
|
| 290 |
|
|
if (expr_depends_symbol(dep, sym))
|
| 291 |
|
|
goto next;
|
| 292 |
|
|
dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
|
| 293 |
|
|
dep = expr_eliminate_dups(expr_transform(dep));
|
| 294 |
|
|
dep2 = expr_copy(basedep);
|
| 295 |
|
|
expr_eliminate_eq(&dep, &dep2);
|
| 296 |
|
|
expr_free(dep);
|
| 297 |
|
|
if (!expr_is_yes(dep2)) {
|
| 298 |
|
|
expr_free(dep2);
|
| 299 |
|
|
break;
|
| 300 |
|
|
}
|
| 301 |
|
|
expr_free(dep2);
|
| 302 |
|
|
next:
|
| 303 |
|
|
menu_finalize(menu);
|
| 304 |
|
|
menu->parent = parent;
|
| 305 |
|
|
last_menu = menu;
|
| 306 |
|
|
}
|
| 307 |
|
|
if (last_menu) {
|
| 308 |
|
|
parent->list = parent->next;
|
| 309 |
|
|
parent->next = last_menu->next;
|
| 310 |
|
|
last_menu->next = NULL;
|
| 311 |
|
|
}
|
| 312 |
|
|
}
|
| 313 |
|
|
for (menu = parent->list; menu; menu = menu->next) {
|
| 314 |
|
|
if (sym && sym_is_choice(sym) && menu->sym) {
|
| 315 |
|
|
menu->sym->flags |= SYMBOL_CHOICEVAL;
|
| 316 |
|
|
if (!menu->prompt)
|
| 317 |
|
|
menu_warn(menu, "choice value must have a prompt");
|
| 318 |
|
|
for (prop = menu->sym->prop; prop; prop = prop->next) {
|
| 319 |
|
|
if (prop->type == P_PROMPT && prop->menu != menu) {
|
| 320 |
|
|
prop_warn(prop, "choice values "
|
| 321 |
|
|
"currently only support a "
|
| 322 |
|
|
"single prompt");
|
| 323 |
|
|
}
|
| 324 |
|
|
if (prop->type == P_DEFAULT)
|
| 325 |
|
|
prop_warn(prop, "defaults for choice "
|
| 326 |
|
|
"values not supported");
|
| 327 |
|
|
}
|
| 328 |
|
|
current_entry = menu;
|
| 329 |
|
|
menu_set_type(sym->type);
|
| 330 |
|
|
menu_add_symbol(P_CHOICE, sym, NULL);
|
| 331 |
|
|
prop = sym_get_choice_prop(sym);
|
| 332 |
|
|
for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
|
| 333 |
|
|
;
|
| 334 |
|
|
*ep = expr_alloc_one(E_CHOICE, NULL);
|
| 335 |
|
|
(*ep)->right.sym = menu->sym;
|
| 336 |
|
|
}
|
| 337 |
|
|
if (menu->list && (!menu->prompt || !menu->prompt->text)) {
|
| 338 |
|
|
for (last_menu = menu->list; ; last_menu = last_menu->next) {
|
| 339 |
|
|
last_menu->parent = parent;
|
| 340 |
|
|
if (!last_menu->next)
|
| 341 |
|
|
break;
|
| 342 |
|
|
}
|
| 343 |
|
|
last_menu->next = menu->next;
|
| 344 |
|
|
menu->next = menu->list;
|
| 345 |
|
|
menu->list = NULL;
|
| 346 |
|
|
}
|
| 347 |
|
|
}
|
| 348 |
|
|
|
| 349 |
|
|
if (sym && !(sym->flags & SYMBOL_WARNED)) {
|
| 350 |
|
|
if (sym->type == S_UNKNOWN)
|
| 351 |
|
|
menu_warn(parent, "config symbol defined without type");
|
| 352 |
|
|
|
| 353 |
|
|
if (sym_is_choice(sym) && !parent->prompt)
|
| 354 |
|
|
menu_warn(parent, "choice must have a prompt");
|
| 355 |
|
|
|
| 356 |
|
|
/* Check properties connected to this symbol */
|
| 357 |
|
|
sym_check_prop(sym);
|
| 358 |
|
|
sym->flags |= SYMBOL_WARNED;
|
| 359 |
|
|
}
|
| 360 |
|
|
|
| 361 |
|
|
if (sym && !sym_is_optional(sym) && parent->prompt) {
|
| 362 |
|
|
sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
|
| 363 |
|
|
expr_alloc_and(parent->prompt->visible.expr,
|
| 364 |
|
|
expr_alloc_symbol(&symbol_mod)));
|
| 365 |
|
|
}
|
| 366 |
|
|
}
|
| 367 |
|
|
|
| 368 |
|
|
bool menu_is_visible(struct menu *menu)
|
| 369 |
|
|
{
|
| 370 |
|
|
struct menu *child;
|
| 371 |
|
|
struct symbol *sym;
|
| 372 |
|
|
tristate visible;
|
| 373 |
|
|
|
| 374 |
|
|
if (!menu->prompt)
|
| 375 |
|
|
return false;
|
| 376 |
|
|
sym = menu->sym;
|
| 377 |
|
|
if (sym) {
|
| 378 |
|
|
sym_calc_value(sym);
|
| 379 |
|
|
visible = menu->prompt->visible.tri;
|
| 380 |
|
|
} else
|
| 381 |
|
|
visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
|
| 382 |
|
|
|
| 383 |
|
|
if (visible != no)
|
| 384 |
|
|
return true;
|
| 385 |
|
|
if (!sym || sym_get_tristate_value(menu->sym) == no)
|
| 386 |
|
|
return false;
|
| 387 |
|
|
|
| 388 |
|
|
for (child = menu->list; child; child = child->next)
|
| 389 |
|
|
if (menu_is_visible(child))
|
| 390 |
|
|
return true;
|
| 391 |
|
|
return false;
|
| 392 |
|
|
}
|
| 393 |
|
|
|
| 394 |
|
|
const char *menu_get_prompt(struct menu *menu)
|
| 395 |
|
|
{
|
| 396 |
|
|
if (menu->prompt)
|
| 397 |
|
|
return _(menu->prompt->text);
|
| 398 |
|
|
else if (menu->sym)
|
| 399 |
|
|
return _(menu->sym->name);
|
| 400 |
|
|
return NULL;
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
struct menu *menu_get_root_menu(struct menu *menu)
|
| 404 |
|
|
{
|
| 405 |
|
|
return &rootmenu;
|
| 406 |
|
|
}
|
| 407 |
|
|
|
| 408 |
|
|
struct menu *menu_get_parent_menu(struct menu *menu)
|
| 409 |
|
|
{
|
| 410 |
|
|
enum prop_type type;
|
| 411 |
|
|
|
| 412 |
|
|
for (; menu != &rootmenu; menu = menu->parent) {
|
| 413 |
|
|
type = menu->prompt ? menu->prompt->type : 0;
|
| 414 |
|
|
if (type == P_MENU)
|
| 415 |
|
|
break;
|
| 416 |
|
|
}
|
| 417 |
|
|
return menu;
|
| 418 |
|
|
}
|
| 419 |
|
|
|
| 420 |
|
|
bool menu_has_help(struct menu *menu)
|
| 421 |
|
|
{
|
| 422 |
|
|
return menu->help != NULL;
|
| 423 |
|
|
}
|
| 424 |
|
|
|
| 425 |
|
|
const char *menu_get_help(struct menu *menu)
|
| 426 |
|
|
{
|
| 427 |
|
|
if (menu->help)
|
| 428 |
|
|
return menu->help;
|
| 429 |
|
|
else
|
| 430 |
|
|
return "";
|
| 431 |
|
|
}
|
