yann@1: /*
yann@1:  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
yann@1:  * Released under the terms of the GNU GPL v2.0.
yann@1:  */
yann@1: 
yann@1: #include <stdlib.h>
yann@1: #include <string.h>
yann@1: 
yann@1: #define LKC_DIRECT_LINK
yann@1: #include "lkc.h"
yann@1: 
yann@2448: static const char nohelp_text[] = N_(
yann@2448: 	"There is no help available for this option.\n");
yann@2448: 
yann@1: struct menu rootmenu;
yann@1: static struct menu **last_entry_ptr;
yann@1: 
yann@1: struct file *file_list;
yann@1: struct file *current_file;
yann@1: 
yann@943: void menu_warn(struct menu *menu, const char *fmt, ...)
yann@1: {
yann@1: 	va_list ap;
yann@1: 	va_start(ap, fmt);
yann@1: 	fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
yann@1: 	vfprintf(stderr, fmt, ap);
yann@1: 	fprintf(stderr, "\n");
yann@1: 	va_end(ap);
yann@1: }
yann@1: 
yann@1: static void prop_warn(struct property *prop, const char *fmt, ...)
yann@1: {
yann@1: 	va_list ap;
yann@1: 	va_start(ap, fmt);
yann@1: 	fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
yann@1: 	vfprintf(stderr, fmt, ap);
yann@1: 	fprintf(stderr, "\n");
yann@1: 	va_end(ap);
yann@1: }
yann@1: 
yann@2448: void _menu_init(void)
yann@1: {
yann@1: 	current_entry = current_menu = &rootmenu;
yann@1: 	last_entry_ptr = &rootmenu.list;
yann@1: }
yann@1: 
yann@1: void menu_add_entry(struct symbol *sym)
yann@1: {
yann@1: 	struct menu *menu;
yann@1: 
yann@1: 	menu = malloc(sizeof(*menu));
yann@1: 	memset(menu, 0, sizeof(*menu));
yann@1: 	menu->sym = sym;
yann@1: 	menu->parent = current_menu;
yann@1: 	menu->file = current_file;
yann@1: 	menu->lineno = zconf_lineno();
yann@1: 
yann@1: 	*last_entry_ptr = menu;
yann@1: 	last_entry_ptr = &menu->next;
yann@1: 	current_entry = menu;
yann@2448: 	if (sym)
yann@2448: 		menu_add_symbol(P_SYMBOL, sym, NULL);
yann@1: }
yann@1: 
yann@1: void menu_end_entry(void)
yann@1: {
yann@1: }
yann@1: 
yann@1: struct menu *menu_add_menu(void)
yann@1: {
yann@1: 	menu_end_entry();
yann@1: 	last_entry_ptr = &current_entry->list;
yann@1: 	return current_menu = current_entry;
yann@1: }
yann@1: 
yann@1: void menu_end_menu(void)
yann@1: {
yann@1: 	last_entry_ptr = &current_menu->next;
yann@1: 	current_menu = current_menu->parent;
yann@1: }
yann@1: 
yann@2448: static struct expr *menu_check_dep(struct expr *e)
yann@1: {
yann@1: 	if (!e)
yann@1: 		return e;
yann@1: 
yann@1: 	switch (e->type) {
yann@1: 	case E_NOT:
yann@1: 		e->left.expr = menu_check_dep(e->left.expr);
yann@1: 		break;
yann@1: 	case E_OR:
yann@1: 	case E_AND:
yann@1: 		e->left.expr = menu_check_dep(e->left.expr);
yann@1: 		e->right.expr = menu_check_dep(e->right.expr);
yann@1: 		break;
yann@1: 	case E_SYMBOL:
yann@1: 		/* change 'm' into 'm' && MODULES */
yann@1: 		if (e->left.sym == &symbol_mod)
yann@1: 			return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
yann@1: 		break;
yann@1: 	default:
yann@1: 		break;
yann@1: 	}
yann@1: 	return e;
yann@1: }
yann@1: 
yann@1: void menu_add_dep(struct expr *dep)
yann@1: {
yann@1: 	current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
yann@1: }
yann@1: 
yann@1: void menu_set_type(int type)
yann@1: {
yann@1: 	struct symbol *sym = current_entry->sym;
yann@1: 
yann@1: 	if (sym->type == type)
yann@1: 		return;
yann@1: 	if (sym->type == S_UNKNOWN) {
yann@1: 		sym->type = type;
yann@1: 		return;
yann@1: 	}
yann@1: 	menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
yann@1: 	    sym->name ? sym->name : "<choice>",
yann@1: 	    sym_type_name(sym->type), sym_type_name(type));
yann@1: }
yann@1: 
yann@1: struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
yann@1: {
yann@1: 	struct property *prop = prop_alloc(type, current_entry->sym);
yann@1: 
yann@1: 	prop->menu = current_entry;
yann@1: 	prop->expr = expr;
yann@1: 	prop->visible.expr = menu_check_dep(dep);
yann@1: 
yann@1: 	if (prompt) {
yann@2450: 		/* For crostool-NG, a leading pipe followed with spaces
yann@2450: 		 * means that pipe shall be removed, and the spaces should
yann@2450: 		 * not be trimmed.
yann@2450: 		 */
yann@2450: 		if (*prompt == '|')
yann@2450: 			prompt++;
yann@2450: 		else if (isspace(*prompt)) {
yann@2448: 			prop_warn(prop, "leading whitespace ignored");
yann@1: 			while (isspace(*prompt))
yann@1: 				prompt++;
yann@1: 		}
yann@2448: 		if (current_entry->prompt && current_entry != &rootmenu)
yann@1: 			prop_warn(prop, "prompt redefined");
yann@2448: 
yann@2448: 		/* Apply all upper menus' visibilities to actual prompts. */
yann@2448: 		if(type == P_PROMPT) {
yann@2448: 			struct menu *menu = current_entry;
yann@2448: 
yann@2448: 			while ((menu = menu->parent) != NULL) {
yann@2448: 				if (!menu->visibility)
yann@2448: 					continue;
yann@2448: 				prop->visible.expr
yann@2448: 					= expr_alloc_and(prop->visible.expr,
yann@2448: 							 menu->visibility);
yann@2448: 			}
yann@2448: 		}
yann@2448: 
yann@1: 		current_entry->prompt = prop;
yann@1: 	}
yann@1: 	prop->text = prompt;
yann@1: 
yann@1: 	return prop;
yann@1: }
yann@1: 
yann@1: struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
yann@1: {
yann@1: 	return menu_add_prop(type, prompt, NULL, dep);
yann@1: }
yann@1: 
yann@2448: void menu_add_visibility(struct expr *expr)
yann@2448: {
yann@2448: 	current_entry->visibility = expr_alloc_and(current_entry->visibility,
yann@2448: 	    expr);
yann@2448: }
yann@2448: 
yann@1: void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
yann@1: {
yann@1: 	menu_add_prop(type, NULL, expr, dep);
yann@1: }
yann@1: 
yann@1: void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
yann@1: {
yann@1: 	menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
yann@1: }
yann@1: 
yann@1: void menu_add_option(int token, char *arg)
yann@1: {
yann@1: 	struct property *prop;
yann@1: 
yann@1: 	switch (token) {
yann@1: 	case T_OPT_MODULES:
yann@1: 		prop = prop_alloc(P_DEFAULT, modules_sym);
yann@1: 		prop->expr = expr_alloc_symbol(current_entry->sym);
yann@1: 		break;
yann@1: 	case T_OPT_DEFCONFIG_LIST:
yann@1: 		if (!sym_defconfig_list)
yann@1: 			sym_defconfig_list = current_entry->sym;
yann@1: 		else if (sym_defconfig_list != current_entry->sym)
yann@1: 			zconf_error("trying to redefine defconfig symbol");
yann@1: 		break;
yann@943: 	case T_OPT_ENV:
yann@943: 		prop_add_env(arg);
yann@943: 		break;
yann@1: 	}
yann@1: }
yann@1: 
yann@2448: static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
yann@1: {
yann@1: 	return sym2->type == S_INT || sym2->type == S_HEX ||
yann@1: 	       (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
yann@1: }
yann@1: 
yann@2448: static void sym_check_prop(struct symbol *sym)
yann@1: {
yann@1: 	struct property *prop;
yann@1: 	struct symbol *sym2;
yann@1: 	for (prop = sym->prop; prop; prop = prop->next) {
yann@1: 		switch (prop->type) {
yann@1: 		case P_DEFAULT:
yann@1: 			if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
yann@1: 			    prop->expr->type != E_SYMBOL)
yann@1: 				prop_warn(prop,
yann@2448: 				    "default for config symbol '%s'"
yann@1: 				    " must be a single symbol", sym->name);
yann@2448: 			if (prop->expr->type != E_SYMBOL)
yann@2448: 				break;
yann@2448: 			sym2 = prop_get_symbol(prop);
yann@2448: 			if (sym->type == S_HEX || sym->type == S_INT) {
yann@2448: 				if (!menu_validate_number(sym, sym2))
yann@2448: 					prop_warn(prop,
yann@2448: 					    "'%s': number is invalid",
yann@2448: 					    sym->name);
yann@2448: 			}
yann@1: 			break;
yann@1: 		case P_SELECT:
yann@1: 			sym2 = prop_get_symbol(prop);
yann@1: 			if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
yann@1: 				prop_warn(prop,
yann@1: 				    "config symbol '%s' uses select, but is "
yann@1: 				    "not boolean or tristate", sym->name);
yann@943: 			else if (sym2->type != S_UNKNOWN &&
yann@943: 			         sym2->type != S_BOOLEAN &&
yann@943: 			         sym2->type != S_TRISTATE)
yann@1: 				prop_warn(prop,
yann@1: 				    "'%s' has wrong type. 'select' only "
yann@1: 				    "accept arguments of boolean and "
yann@1: 				    "tristate type", sym2->name);
yann@1: 			break;
yann@1: 		case P_RANGE:
yann@1: 			if (sym->type != S_INT && sym->type != S_HEX)
yann@1: 				prop_warn(prop, "range is only allowed "
yann@1: 				                "for int or hex symbols");
yann@2448: 			if (!menu_validate_number(sym, prop->expr->left.sym) ||
yann@2448: 			    !menu_validate_number(sym, prop->expr->right.sym))
yann@1: 				prop_warn(prop, "range is invalid");
yann@1: 			break;
yann@1: 		default:
yann@1: 			;
yann@1: 		}
yann@1: 	}
yann@1: }
yann@1: 
yann@1: void menu_finalize(struct menu *parent)
yann@1: {
yann@1: 	struct menu *menu, *last_menu;
yann@1: 	struct symbol *sym;
yann@1: 	struct property *prop;
yann@1: 	struct expr *parentdep, *basedep, *dep, *dep2, **ep;
yann@1: 
yann@1: 	sym = parent->sym;
yann@1: 	if (parent->list) {
yann@1: 		if (sym && sym_is_choice(sym)) {
yann@943: 			if (sym->type == S_UNKNOWN) {
yann@943: 				/* find the first choice value to find out choice type */
yann@943: 				current_entry = parent;
yann@943: 				for (menu = parent->list; menu; menu = menu->next) {
yann@943: 					if (menu->sym && menu->sym->type != S_UNKNOWN) {
yann@943: 						menu_set_type(menu->sym->type);
yann@943: 						break;
yann@943: 					}
yann@943: 				}
yann@943: 			}
yann@2451: 			if (parent->prompt &&
yann@2451: 			    !expr_is_yes(parent->prompt->visible.expr)) {
yann@2451: 				parent->visibility = expr_alloc_and (parent->visibility,
yann@2451: 								     parent->prompt->visible.expr);
yann@2451: 			}
yann@943: 			/* set the type of the remaining choice values */
yann@1: 			for (menu = parent->list; menu; menu = menu->next) {
yann@943: 				current_entry = menu;
yann@943: 				if (menu->sym && menu->sym->type == S_UNKNOWN)
yann@1: 					menu_set_type(sym->type);
yann@1: 			}
yann@1: 			parentdep = expr_alloc_symbol(sym);
yann@1: 		} else if (parent->prompt)
yann@1: 			parentdep = parent->prompt->visible.expr;
yann@1: 		else
yann@1: 			parentdep = parent->dep;
yann@1: 
yann@1: 		for (menu = parent->list; menu; menu = menu->next) {
yann@1: 			basedep = expr_transform(menu->dep);
yann@1: 			basedep = expr_alloc_and(expr_copy(parentdep), basedep);
yann@1: 			basedep = expr_eliminate_dups(basedep);
yann@1: 			menu->dep = basedep;
yann@1: 			if (menu->sym)
yann@1: 				prop = menu->sym->prop;
yann@1: 			else
yann@1: 				prop = menu->prompt;
yann@1: 			for (; prop; prop = prop->next) {
yann@1: 				if (prop->menu != menu)
yann@1: 					continue;
yann@1: 				dep = expr_transform(prop->visible.expr);
yann@1: 				dep = expr_alloc_and(expr_copy(basedep), dep);
yann@1: 				dep = expr_eliminate_dups(dep);
yann@1: 				if (menu->sym && menu->sym->type != S_TRISTATE)
yann@1: 					dep = expr_trans_bool(dep);
yann@1: 				prop->visible.expr = dep;
yann@1: 				if (prop->type == P_SELECT) {
yann@1: 					struct symbol *es = prop_get_symbol(prop);
yann@1: 					es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
yann@1: 							expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
yann@1: 				}
yann@1: 			}
yann@1: 		}
yann@1: 		for (menu = parent->list; menu; menu = menu->next)
yann@1: 			menu_finalize(menu);
yann@1: 	} else if (sym) {
yann@1: 		basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
yann@1: 		basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
yann@1: 		basedep = expr_eliminate_dups(expr_transform(basedep));
yann@1: 		last_menu = NULL;
yann@1: 		for (menu = parent->next; menu; menu = menu->next) {
yann@1: 			dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
yann@1: 			if (!expr_contains_symbol(dep, sym))
yann@1: 				break;
yann@1: 			if (expr_depends_symbol(dep, sym))
yann@1: 				goto next;
yann@1: 			dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
yann@1: 			dep = expr_eliminate_dups(expr_transform(dep));
yann@1: 			dep2 = expr_copy(basedep);
yann@1: 			expr_eliminate_eq(&dep, &dep2);
yann@1: 			expr_free(dep);
yann@1: 			if (!expr_is_yes(dep2)) {
yann@1: 				expr_free(dep2);
yann@1: 				break;
yann@1: 			}
yann@1: 			expr_free(dep2);
yann@1: 		next:
yann@1: 			menu_finalize(menu);
yann@1: 			menu->parent = parent;
yann@1: 			last_menu = menu;
yann@1: 		}
yann@1: 		if (last_menu) {
yann@1: 			parent->list = parent->next;
yann@1: 			parent->next = last_menu->next;
yann@1: 			last_menu->next = NULL;
yann@1: 		}
yann@2448: 
yann@2474: 		sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep);
yann@1: 	}
yann@1: 	for (menu = parent->list; menu; menu = menu->next) {
yann@943: 		if (sym && sym_is_choice(sym) &&
yann@943: 		    menu->sym && !sym_is_choice_value(menu->sym)) {
yann@943: 			current_entry = menu;
yann@1: 			menu->sym->flags |= SYMBOL_CHOICEVAL;
yann@1: 			if (!menu->prompt)
yann@1: 				menu_warn(menu, "choice value must have a prompt");
yann@1: 			for (prop = menu->sym->prop; prop; prop = prop->next) {
yann@1: 				if (prop->type == P_DEFAULT)
yann@1: 					prop_warn(prop, "defaults for choice "
yann@943: 						  "values not supported");
yann@943: 				if (prop->menu == menu)
yann@943: 					continue;
yann@943: 				if (prop->type == P_PROMPT &&
yann@943: 				    prop->menu->parent->sym != sym)
yann@943: 					prop_warn(prop, "choice value used outside its choice group");
yann@1: 			}
yann@943: 			/* Non-tristate choice values of tristate choices must
yann@943: 			 * depend on the choice being set to Y. The choice
yann@943: 			 * values' dependencies were propagated to their
yann@943: 			 * properties above, so the change here must be re-
yann@943: 			 * propagated.
yann@943: 			 */
yann@943: 			if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
yann@943: 				basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
yann@943: 				menu->dep = expr_alloc_and(basedep, menu->dep);
yann@943: 				for (prop = menu->sym->prop; prop; prop = prop->next) {
yann@943: 					if (prop->menu != menu)
yann@943: 						continue;
yann@943: 					prop->visible.expr = expr_alloc_and(expr_copy(basedep),
yann@943: 									    prop->visible.expr);
yann@943: 				}
yann@943: 			}
yann@1: 			menu_add_symbol(P_CHOICE, sym, NULL);
yann@1: 			prop = sym_get_choice_prop(sym);
yann@1: 			for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
yann@1: 				;
yann@943: 			*ep = expr_alloc_one(E_LIST, NULL);
yann@1: 			(*ep)->right.sym = menu->sym;
yann@1: 		}
yann@1: 		if (menu->list && (!menu->prompt || !menu->prompt->text)) {
yann@1: 			for (last_menu = menu->list; ; last_menu = last_menu->next) {
yann@1: 				last_menu->parent = parent;
yann@1: 				if (!last_menu->next)
yann@1: 					break;
yann@1: 			}
yann@1: 			last_menu->next = menu->next;
yann@1: 			menu->next = menu->list;
yann@1: 			menu->list = NULL;
yann@1: 		}
yann@1: 	}
yann@1: 
yann@1: 	if (sym && !(sym->flags & SYMBOL_WARNED)) {
yann@1: 		if (sym->type == S_UNKNOWN)
yann@1: 			menu_warn(parent, "config symbol defined without type");
yann@1: 
yann@1: 		if (sym_is_choice(sym) && !parent->prompt)
yann@1: 			menu_warn(parent, "choice must have a prompt");
yann@1: 
yann@1: 		/* Check properties connected to this symbol */
yann@1: 		sym_check_prop(sym);
yann@1: 		sym->flags |= SYMBOL_WARNED;
yann@1: 	}
yann@1: 
yann@1: 	if (sym && !sym_is_optional(sym) && parent->prompt) {
yann@1: 		sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
yann@1: 				expr_alloc_and(parent->prompt->visible.expr,
yann@1: 					expr_alloc_symbol(&symbol_mod)));
yann@1: 	}
yann@1: }
yann@1: 
yann@2448: bool menu_has_prompt(struct menu *menu)
yann@2448: {
yann@2448: 	if (!menu->prompt)
yann@2448: 		return false;
yann@2448: 	return true;
yann@2448: }
yann@2448: 
yann@1: bool menu_is_visible(struct menu *menu)
yann@1: {
yann@1: 	struct menu *child;
yann@1: 	struct symbol *sym;
yann@1: 	tristate visible;
yann@1: 
yann@1: 	if (!menu->prompt)
yann@1: 		return false;
yann@2448: 
yann@2448: 	if (menu->visibility) {
yann@2448: 		if (expr_calc_value(menu->visibility) == no)
yann@2448: 			return no;
yann@2448: 	}
yann@2448: 
yann@1: 	sym = menu->sym;
yann@1: 	if (sym) {
yann@1: 		sym_calc_value(sym);
yann@1: 		visible = menu->prompt->visible.tri;
yann@1: 	} else
yann@1: 		visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
yann@1: 
yann@1: 	if (visible != no)
yann@1: 		return true;
yann@2448: 
yann@1: 	if (!sym || sym_get_tristate_value(menu->sym) == no)
yann@1: 		return false;
yann@1: 
yann@2448: 	for (child = menu->list; child; child = child->next) {
yann@2448: 		if (menu_is_visible(child)) {
yann@2448: 			if (sym)
yann@2448: 				sym->flags |= SYMBOL_DEF_USER;
yann@1: 			return true;
yann@2448: 		}
yann@2448: 	}
yann@2448: 
yann@1: 	return false;
yann@1: }
yann@1: 
yann@1: const char *menu_get_prompt(struct menu *menu)
yann@1: {
yann@1: 	if (menu->prompt)
yann@943: 		return menu->prompt->text;
yann@1: 	else if (menu->sym)
yann@943: 		return menu->sym->name;
yann@1: 	return NULL;
yann@1: }
yann@1: 
yann@1: struct menu *menu_get_root_menu(struct menu *menu)
yann@1: {
yann@1: 	return &rootmenu;
yann@1: }
yann@1: 
yann@1: struct menu *menu_get_parent_menu(struct menu *menu)
yann@1: {
yann@1: 	enum prop_type type;
yann@1: 
yann@1: 	for (; menu != &rootmenu; menu = menu->parent) {
yann@1: 		type = menu->prompt ? menu->prompt->type : 0;
yann@1: 		if (type == P_MENU)
yann@1: 			break;
yann@1: 	}
yann@1: 	return menu;
yann@1: }
yann@1: 
yann@943: bool menu_has_help(struct menu *menu)
yann@943: {
yann@943: 	return menu->help != NULL;
yann@943: }
yann@943: 
yann@943: const char *menu_get_help(struct menu *menu)
yann@943: {
yann@943: 	if (menu->help)
yann@943: 		return menu->help;
yann@943: 	else
yann@943: 		return "";
yann@943: }
yann@2448: 
yann@2448: static void get_prompt_str(struct gstr *r, struct property *prop)
yann@2448: {
yann@2448: 	int i, j;
yann@2448: 	struct menu *submenu[8], *menu;
yann@2448: 
yann@2448: 	str_printf(r, _("Prompt: %s\n"), _(prop->text));
yann@2448: 	str_printf(r, _("  Defined at %s:%d\n"), prop->menu->file->name,
yann@2448: 		prop->menu->lineno);
yann@2448: 	if (!expr_is_yes(prop->visible.expr)) {
yann@2448: 		str_append(r, _("  Depends on: "));
yann@2448: 		expr_gstr_print(prop->visible.expr, r);
yann@2448: 		str_append(r, "\n");
yann@2448: 	}
yann@2448: 	menu = prop->menu->parent;
yann@2448: 	for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
yann@2448: 		submenu[i++] = menu;
yann@2448: 	if (i > 0) {
yann@2448: 		str_printf(r, _("  Location:\n"));
yann@2448: 		for (j = 4; --i >= 0; j += 2) {
yann@2448: 			menu = submenu[i];
yann@2448: 			str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
yann@2448: 			if (menu->sym) {
yann@2448: 				str_printf(r, " (%s [=%s])", menu->sym->name ?
yann@2448: 					menu->sym->name : _("<choice>"),
yann@2448: 					sym_get_string_value(menu->sym));
yann@2448: 			}
yann@2448: 			str_append(r, "\n");
yann@2448: 		}
yann@2448: 	}
yann@2448: }
yann@2448: 
yann@2448: void get_symbol_str(struct gstr *r, struct symbol *sym)
yann@2448: {
yann@2448: 	bool hit;
yann@2448: 	struct property *prop;
yann@2448: 
yann@2448: 	if (sym && sym->name) {
yann@2448: 		str_printf(r, "Symbol: %s [=%s]\n", sym->name,
yann@2448: 			   sym_get_string_value(sym));
yann@2448: 		str_printf(r, "Type  : %s\n", sym_type_name(sym->type));
yann@2448: 		if (sym->type == S_INT || sym->type == S_HEX) {
yann@2448: 			prop = sym_get_range_prop(sym);
yann@2448: 			if (prop) {
yann@2448: 				str_printf(r, "Range : ");
yann@2448: 				expr_gstr_print(prop->expr, r);
yann@2448: 				str_append(r, "\n");
yann@2448: 			}
yann@2448: 		}
yann@2448: 	}
yann@2448: 	for_all_prompts(sym, prop)
yann@2448: 		get_prompt_str(r, prop);
yann@2448: 	hit = false;
yann@2448: 	for_all_properties(sym, prop, P_SELECT) {
yann@2448: 		if (!hit) {
yann@2448: 			str_append(r, "  Selects: ");
yann@2448: 			hit = true;
yann@2448: 		} else
yann@2448: 			str_printf(r, " && ");
yann@2448: 		expr_gstr_print(prop->expr, r);
yann@2448: 	}
yann@2448: 	if (hit)
yann@2448: 		str_append(r, "\n");
yann@2448: 	if (sym->rev_dep.expr) {
yann@2448: 		str_append(r, _("  Selected by: "));
yann@2448: 		expr_gstr_print(sym->rev_dep.expr, r);
yann@2448: 		str_append(r, "\n");
yann@2448: 	}
yann@2448: 	str_append(r, "\n\n");
yann@2448: }
yann@2448: 
yann@2448: struct gstr get_relations_str(struct symbol **sym_arr)
yann@2448: {
yann@2448: 	struct symbol *sym;
yann@2448: 	struct gstr res = str_new();
yann@2448: 	int i;
yann@2448: 
yann@2448: 	for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
yann@2448: 		get_symbol_str(&res, sym);
yann@2448: 	if (!i)
yann@2448: 		str_append(&res, _("No matches found.\n"));
yann@2448: 	return res;
yann@2448: }
yann@2448: 
yann@2448: 
yann@2448: void menu_get_ext_help(struct menu *menu, struct gstr *help)
yann@2448: {
yann@2448: 	struct symbol *sym = menu->sym;
yann@2448: 
yann@2448: 	if (menu_has_help(menu)) {
yann@2448: 		if (sym->name) {
yann@2448: 			str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
yann@2448: 			str_append(help, _(menu_get_help(menu)));
yann@2448: 			str_append(help, "\n");
yann@2448: 		}
yann@2448: 	} else {
yann@2448: 		str_append(help, nohelp_text);
yann@2448: 	}
yann@2448: 	if (sym)
yann@2448: 		get_symbol_str(help, sym);
yann@2448: }