+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- * Released under the terms of the GNU GPL v2.0.
*/
#include <ctype.h>
struct menu *menu_add_menu(void)
{
last_entry_ptr = ¤t_entry->list;
- return current_menu = current_entry;
+ current_menu = current_entry;
+ return current_menu;
}
void menu_end_menu(void)
sym_type_name(sym->type), sym_type_name(type));
}
-static struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
+static struct property *menu_add_prop(enum prop_type type, struct expr *expr,
+ struct expr *dep)
{
- struct property *prop = prop_alloc(type, current_entry->sym);
+ struct property *prop;
+ prop = xmalloc(sizeof(*prop));
+ memset(prop, 0, sizeof(*prop));
+ prop->type = type;
+ prop->file = current_file;
+ prop->lineno = zconf_lineno();
prop->menu = current_entry;
prop->expr = expr;
prop->visible.expr = dep;
- if (prompt) {
- if (isspace(*prompt)) {
- prop_warn(prop, "leading whitespace ignored");
- while (isspace(*prompt))
- prompt++;
- }
- if (current_entry->prompt && current_entry != &rootmenu)
- prop_warn(prop, "prompt redefined");
+ /* append property to the prop list of symbol */
+ if (current_entry->sym) {
+ struct property **propp;
- /* Apply all upper menus' visibilities to actual prompts. */
- if(type == P_PROMPT) {
- struct menu *menu = current_entry;
+ for (propp = ¤t_entry->sym->prop;
+ *propp;
+ propp = &(*propp)->next)
+ ;
+ *propp = prop;
+ }
- while ((menu = menu->parent) != NULL) {
- struct expr *dup_expr;
+ return prop;
+}
- if (!menu->visibility)
- continue;
- /*
- * Do not add a reference to the
- * menu's visibility expression but
- * use a copy of it. Otherwise the
- * expression reduction functions
- * will modify expressions that have
- * multiple references which can
- * cause unwanted side effects.
- */
- dup_expr = expr_copy(menu->visibility);
+struct property *menu_add_prompt(enum prop_type type, char *prompt,
+ struct expr *dep)
+{
+ struct property *prop = menu_add_prop(type, NULL, dep);
- prop->visible.expr
- = expr_alloc_and(prop->visible.expr,
- dup_expr);
- }
- }
+ if (isspace(*prompt)) {
+ prop_warn(prop, "leading whitespace ignored");
+ while (isspace(*prompt))
+ prompt++;
+ }
+ if (current_entry->prompt)
+ prop_warn(prop, "prompt redefined");
+
+ /* Apply all upper menus' visibilities to actual prompts. */
+ if (type == P_PROMPT) {
+ struct menu *menu = current_entry;
+
+ while ((menu = menu->parent) != NULL) {
+ struct expr *dup_expr;
- current_entry->prompt = prop;
+ if (!menu->visibility)
+ continue;
+ /*
+ * Do not add a reference to the menu's visibility
+ * expression but use a copy of it. Otherwise the
+ * expression reduction functions will modify
+ * expressions that have multiple references which
+ * can cause unwanted side effects.
+ */
+ dup_expr = expr_copy(menu->visibility);
+
+ prop->visible.expr = expr_alloc_and(prop->visible.expr,
+ dup_expr);
+ }
}
+
+ current_entry->prompt = prop;
prop->text = prompt;
return prop;
}
-struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
-{
- return menu_add_prop(type, prompt, NULL, dep);
-}
-
void menu_add_visibility(struct expr *expr)
{
current_entry->visibility = expr_alloc_and(current_entry->visibility,
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
{
- menu_add_prop(type, NULL, expr, dep);
+ menu_add_prop(type, expr, dep);
}
void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
{
- menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
+ menu_add_prop(type, expr_alloc_symbol(sym), dep);
}
-void menu_add_option(int token, char *arg)
+void menu_add_option_modules(void)
{
- switch (token) {
- case T_OPT_MODULES:
- if (modules_sym)
- zconf_error("symbol '%s' redefines option 'modules'"
- " already defined by symbol '%s'",
- current_entry->sym->name,
- modules_sym->name
- );
- modules_sym = current_entry->sym;
- break;
- case T_OPT_DEFCONFIG_LIST:
- if (!sym_defconfig_list)
- sym_defconfig_list = current_entry->sym;
- else if (sym_defconfig_list != current_entry->sym)
- zconf_error("trying to redefine defconfig symbol");
- break;
- case T_OPT_ENV:
- prop_add_env(arg);
- break;
- case T_OPT_ALLNOCONFIG_Y:
- current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
- break;
- }
+ if (modules_sym)
+ zconf_error("symbol '%s' redefines option 'modules' already defined by symbol '%s'",
+ current_entry->sym->name, modules_sym->name);
+ modules_sym = current_entry->sym;
+}
+
+void menu_add_option_defconfig_list(void)
+{
+ if (!sym_defconfig_list)
+ sym_defconfig_list = current_entry->sym;
+ else if (sym_defconfig_list != current_entry->sym)
+ zconf_error("trying to redefine defconfig symbol");
+ sym_defconfig_list->flags |= SYMBOL_NO_WRITE;
+}
+
+void menu_add_option_allnoconfig_y(void)
+{
+ current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
}
static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
if (menu->sym && menu->sym->type == S_UNKNOWN)
menu_set_type(sym->type);
}
+
+ /*
+ * Use the choice itself as the parent dependency of
+ * the contained items. This turns the mode of the
+ * choice into an upper bound on the visibility of the
+ * choice value symbols.
+ */
parentdep = expr_alloc_symbol(sym);
- } else if (parent->prompt)
- parentdep = parent->prompt->visible.expr;
- else
+ } else {
+ /* Menu node for 'menu', 'if' */
parentdep = parent->dep;
+ }
/* For each child menu node... */
for (menu = parent->list; menu; menu = menu->next) {
*ep = expr_alloc_one(E_LIST, NULL);
(*ep)->right.sym = menu->sym;
}
+
+ /*
+ * This code serves two purposes:
+ *
+ * (1) Flattening 'if' blocks, which do not specify a submenu
+ * and only add dependencies.
+ *
+ * (Automatic submenu creation might still create a submenu
+ * from an 'if' before this code runs.)
+ *
+ * (2) "Undoing" any automatic submenus created earlier below
+ * promptless symbols.
+ *
+ * Before:
+ *
+ * A
+ * if ... (or promptless symbol)
+ * +-B
+ * +-C
+ * D
+ *
+ * After:
+ *
+ * A
+ * if ... (or promptless symbol)
+ * B
+ * C
+ * D
+ */
if (menu->list && (!menu->prompt || !menu->prompt->text)) {
for (last_menu = menu->list; ; last_menu = last_menu->next) {
last_menu->parent = parent;
return "";
}
+static void get_def_str(struct gstr *r, struct menu *menu)
+{
+ str_printf(r, "Defined at %s:%d\n",
+ menu->file->name, menu->lineno);
+}
+
+static void get_dep_str(struct gstr *r, struct expr *expr, const char *prefix)
+{
+ if (!expr_is_yes(expr)) {
+ str_append(r, prefix);
+ expr_gstr_print(expr, r);
+ str_append(r, "\n");
+ }
+}
+
static void get_prompt_str(struct gstr *r, struct property *prop,
struct list_head *head)
{
struct menu *submenu[8], *menu, *location = NULL;
struct jump_key *jump = NULL;
- str_printf(r, _("Prompt: %s\n"), _(prop->text));
+ str_printf(r, " Prompt: %s\n", prop->text);
+
+ get_dep_str(r, prop->menu->dep, " Depends on: ");
+ /*
+ * Most prompts in Linux have visibility that exactly matches their
+ * dependencies. For these, we print only the dependencies to improve
+ * readability. However, prompts with inline "if" expressions and
+ * prompts with a parent that has a "visible if" expression have
+ * differing dependencies and visibility. In these rare cases, we
+ * print both.
+ */
+ if (!expr_eq(prop->menu->dep, prop->visible.expr))
+ get_dep_str(r, prop->visible.expr, " Visible if: ");
+
menu = prop->menu->parent;
for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
bool accessible = menu_is_visible(menu);
}
if (i > 0) {
- str_printf(r, _(" Location:\n"));
+ str_printf(r, " Location:\n");
for (j = 4; --i >= 0; j += 2) {
menu = submenu[i];
if (jump && menu == location)
jump->offset = strlen(r->s);
str_printf(r, "%*c-> %s", j, ' ',
- _(menu_get_prompt(menu)));
+ menu_get_prompt(menu));
if (menu->sym) {
str_printf(r, " (%s [=%s])", menu->sym->name ?
- menu->sym->name : _("<choice>"),
+ menu->sym->name : "<choice>",
sym_get_string_value(menu->sym));
}
str_append(r, "\n");
}
}
-/*
- * get property of type P_SYMBOL
- */
-static struct property *get_symbol_prop(struct symbol *sym)
-{
- struct property *prop = NULL;
-
- for_all_properties(sym, prop, P_SYMBOL)
- break;
- return prop;
-}
-
static void get_symbol_props_str(struct gstr *r, struct symbol *sym,
enum prop_type tok, const char *prefix)
{
}
}
}
- for_all_prompts(sym, prop)
- get_prompt_str(r, prop, head);
-
- prop = get_symbol_prop(sym);
- if (prop) {
- str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
- prop->menu->lineno);
- if (!expr_is_yes(prop->visible.expr)) {
- str_append(r, _(" Depends on: "));
- expr_gstr_print(prop->visible.expr, r);
- str_append(r, "\n");
+
+ /* Print the definitions with prompts before the ones without */
+ for_all_properties(sym, prop, P_SYMBOL) {
+ if (prop->menu->prompt) {
+ get_def_str(r, prop->menu);
+ get_prompt_str(r, prop->menu->prompt, head);
}
}
- get_symbol_props_str(r, sym, P_SELECT, _(" Selects: "));
+ for_all_properties(sym, prop, P_SYMBOL) {
+ if (!prop->menu->prompt) {
+ get_def_str(r, prop->menu);
+ get_dep_str(r, prop->menu->dep, " Depends on: ");
+ }
+ }
+
+ get_symbol_props_str(r, sym, P_SELECT, "Selects: ");
if (sym->rev_dep.expr) {
- str_append(r, _(" Selected by: "));
- expr_gstr_print(sym->rev_dep.expr, r);
- str_append(r, "\n");
+ expr_gstr_print_revdep(sym->rev_dep.expr, r, yes, "Selected by [y]:\n");
+ expr_gstr_print_revdep(sym->rev_dep.expr, r, mod, "Selected by [m]:\n");
+ expr_gstr_print_revdep(sym->rev_dep.expr, r, no, "Selected by [n]:\n");
}
- get_symbol_props_str(r, sym, P_IMPLY, _(" Implies: "));
+ get_symbol_props_str(r, sym, P_IMPLY, "Implies: ");
if (sym->implied.expr) {
- str_append(r, _(" Implied by: "));
- expr_gstr_print(sym->implied.expr, r);
- str_append(r, "\n");
+ expr_gstr_print_revdep(sym->implied.expr, r, yes, "Implied by [y]:\n");
+ expr_gstr_print_revdep(sym->implied.expr, r, mod, "Implied by [m]:\n");
+ expr_gstr_print_revdep(sym->implied.expr, r, no, "Implied by [n]:\n");
}
str_append(r, "\n\n");
for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
get_symbol_str(&res, sym, head);
if (!i)
- str_append(&res, _("No matches found.\n"));
+ str_append(&res, "No matches found.\n");
return res;
}
str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
help_text = menu_get_help(menu);
}
- str_printf(help, "%s\n", _(help_text));
+ str_printf(help, "%s\n", help_text);
if (sym)
get_symbol_str(help, sym, NULL);
}
projects / carl9170fw.git / blobdiff