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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-01-02 18:47:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-01-02 18:47:08 +0000 |
commit | 47501014fa60b2b20e33477338d91b7d55c69f9b (patch) | |
tree | fb03c539cfb37fb88a3d3e13c889ca5af04aedf7 /misc/buildroot/package/config/menu.c | |
parent | c8e227bc6172abc126ce186cab85d800456bf40b (diff) | |
download | nuttx-47501014fa60b2b20e33477338d91b7d55c69f9b.tar.gz nuttx-47501014fa60b2b20e33477338d91b7d55c69f9b.tar.bz2 nuttx-47501014fa60b2b20e33477338d91b7d55c69f9b.zip |
buildroot snapshot
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@480 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'misc/buildroot/package/config/menu.c')
-rw-r--r-- | misc/buildroot/package/config/menu.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/misc/buildroot/package/config/menu.c b/misc/buildroot/package/config/menu.c new file mode 100644 index 000000000..0c13156f3 --- /dev/null +++ b/misc/buildroot/package/config/menu.c @@ -0,0 +1,390 @@ +/* + * 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; +static struct menu **last_entry_ptr; + +struct file *file_list; +struct file *current_file; + +static void menu_warn(struct menu *menu, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); +} + +static void prop_warn(struct property *prop, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); +} + +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; +} + +struct expr *menu_check_dep(struct expr *e) +{ + if (!e) + return e; + + switch (e->type) { + case E_NOT: + e->left.expr = menu_check_dep(e->left.expr); + break; + case E_OR: + case E_AND: + e->left.expr = menu_check_dep(e->left.expr); + e->right.expr = menu_check_dep(e->right.expr); + break; + case E_SYMBOL: + /* change 'm' into 'm' && MODULES */ + if (e->left.sym == &symbol_mod) + return expr_alloc_and(e, expr_alloc_symbol(modules_sym)); + break; + default: + break; + } + return e; +} + +void menu_add_dep(struct expr *dep) +{ + current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_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; + } + menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'\n", + sym->name ? sym->name : "<choice>", + sym_type_name(sym->type), sym_type_name(type)); +} + +struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep) +{ + struct property *prop = prop_alloc(type, current_entry->sym); + + prop->menu = current_entry; + prop->text = prompt; + prop->expr = expr; + prop->visible.expr = menu_check_dep(dep); + + if (prompt) { + if (current_entry->prompt) + menu_warn(current_entry, "prompt redefined\n"); + current_entry->prompt = prop; + } + + return prop; +} + +void menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) +{ + menu_add_prop(type, prompt, NULL, dep); +} + +void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) +{ + menu_add_prop(type, NULL, 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); +} + +void sym_check_prop(struct symbol *sym) +{ + struct property *prop; + struct symbol *sym2; + for (prop = sym->prop; prop; prop = prop->next) { + switch (prop->type) { + case P_DEFAULT: + if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) && + prop->expr->type != E_SYMBOL) + prop_warn(prop, + "default for config symbol '%'" + " must be a single symbol", sym->name); + break; + case P_SELECT: + sym2 = prop_get_symbol(prop); + if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) + prop_warn(prop, + "config symbol '%s' uses select, but is " + "not boolean or tristate", sym->name); + else if (sym2->type == S_UNKNOWN) + prop_warn(prop, + "'select' used by config symbol '%s' " + "refer to undefined symbol '%s'", + sym->name, sym2->name); + else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE) + prop_warn(prop, + "'%s' has wrong type. 'select' only " + "accept arguments of boolean and " + "tristate type", sym2->name); + break; + case P_RANGE: + if (sym->type != S_INT && sym->type != S_HEX) + prop_warn(prop, "range is only allowed " + "for int or hex symbols"); + if (!sym_string_valid(sym, prop->expr->left.sym->name) || + !sym_string_valid(sym, prop->expr->right.sym->name)) + prop_warn(prop, "range is invalid"); + break; + default: + ; + } + } +} + +void menu_finalize(struct menu *parent) +{ + struct menu *menu, *last_menu; + struct symbol *sym; + struct property *prop; + struct expr *parentdep, *basedep, *dep, *dep2, **ep; + + 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 = parent->prompt->visible.expr; + 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(prop->visible.expr); + 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); + prop->visible.expr = dep; + if (prop->type == P_SELECT) { + struct symbol *es = prop_get_symbol(prop); + es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr, + expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); + } + } + } + for (menu = parent->list; menu; menu = menu->next) + menu_finalize(menu); + } else if (sym) { + basedep = parent->prompt ? parent->prompt->visible.expr : NULL; + 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 ? menu->prompt->visible.expr : 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; + if (!menu->prompt) + menu_warn(menu, "choice value must have a prompt"); + for (prop = menu->sym->prop; prop; prop = prop->next) { + if (prop->type == P_PROMPT && prop->menu != menu) { + prop_warn(prop, "choice values " + "currently only support a " + "single prompt"); + } + if (prop->type == P_DEFAULT) + prop_warn(prop, "defaults for choice " + "values not supported"); + } + current_entry = menu; + menu_set_type(sym->type); + menu_add_symbol(P_CHOICE, sym, NULL); + prop = sym_get_choice_prop(sym); + for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr) + ; + *ep = expr_alloc_one(E_CHOICE, NULL); + (*ep)->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; + } + } + + if (sym && !(sym->flags & SYMBOL_WARNED)) { + if (sym->type == S_UNKNOWN) + menu_warn(parent, "config symbol defined " + "without type\n"); + + if (sym_is_choice(sym) && !parent->prompt) + menu_warn(parent, "choice must have a prompt\n"); + + /* Check properties connected to this symbol */ + sym_check_prop(sym); + sym->flags |= SYMBOL_WARNED; + } + + if (sym && !sym_is_optional(sym) && parent->prompt) { + sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, + expr_alloc_and(parent->prompt->visible.expr, + expr_alloc_symbol(&symbol_mod))); + } +} + +bool menu_is_visible(struct menu *menu) +{ + struct menu *child; + struct symbol *sym; + tristate visible; + + if (!menu->prompt) + return false; + sym = menu->sym; + if (sym) { + sym_calc_value(sym); + visible = menu->prompt->visible.tri; + } else + visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr); + + if (visible != no) + return true; + if (!sym || sym_get_tristate_value(menu->sym) == no) + return false; + + for (child = menu->list; child; child = child->next) + if (menu_is_visible(child)) + return true; + return false; +} + +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; + + for (; menu != &rootmenu; menu = menu->parent) { + type = menu->prompt ? menu->prompt->type : 0; + if (type == P_MENU) + break; + } + return menu; +} + |