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/*
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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 <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <regex.h>
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#include <sys/utsname.h>
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#define LKC_DIRECT_LINK
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#include "lkc.h"
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struct symbol symbol_yes = {
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.name = "y",
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.curr = { "y", yes },
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.flags = SYMBOL_CONST|SYMBOL_VALID,
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}, symbol_mod = {
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.name = "m",
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.curr = { "m", mod },
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.flags = SYMBOL_CONST|SYMBOL_VALID,
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}, symbol_no = {
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.name = "n",
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.curr = { "n", no },
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.flags = SYMBOL_CONST|SYMBOL_VALID,
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}, symbol_empty = {
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.name = "",
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.curr = { "", no },
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.flags = SYMBOL_VALID,
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};
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struct symbol *sym_defconfig_list;
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struct symbol *modules_sym;
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tristate modules_val;
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void sym_add_default(struct symbol *sym, const char *def)
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{
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struct property *prop = prop_alloc(P_DEFAULT, sym);
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prop->expr = expr_alloc_symbol(sym_lookup(def, 1));
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}
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void sym_init(void)
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{
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struct symbol *sym;
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struct utsname uts;
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char *p;
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static bool inited = false;
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if (inited)
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return;
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inited = true;
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uname(&uts);
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sym = sym_lookup("ARCH", 0);
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sym->type = S_STRING;
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sym->flags |= SYMBOL_AUTO;
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p = getenv("ARCH");
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if (p)
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sym_add_default(sym, p);
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sym = sym_lookup("PROJECTVERSION", 0);
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sym->type = S_STRING;
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sym->flags |= SYMBOL_AUTO;
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p = getenv("PROJECTVERSION");
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if (p)
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sym_add_default(sym, p);
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sym = sym_lookup("UNAME_RELEASE", 0);
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sym->type = S_STRING;
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sym->flags |= SYMBOL_AUTO;
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sym_add_default(sym, uts.release);
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}
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enum symbol_type sym_get_type(struct symbol *sym)
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{
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enum symbol_type type = sym->type;
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if (type == S_TRISTATE) {
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if (sym_is_choice_value(sym) && sym->visible == yes)
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type = S_BOOLEAN;
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else if (modules_val == no)
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type = S_BOOLEAN;
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}
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return type;
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}
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const char *sym_type_name(enum symbol_type type)
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{
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switch (type) {
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case S_BOOLEAN:
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return "boolean";
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case S_TRISTATE:
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return "tristate";
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case S_INT:
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return "integer";
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case S_HEX:
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return "hex";
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case S_STRING:
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return "string";
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case S_UNKNOWN:
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return "unknown";
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case S_OTHER:
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break;
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}
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return "???";
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}
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struct property *sym_get_choice_prop(struct symbol *sym)
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{
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struct property *prop;
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for_all_choices(sym, prop)
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return prop;
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return NULL;
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}
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struct property *sym_get_default_prop(struct symbol *sym)
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{
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struct property *prop;
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for_all_defaults(sym, prop) {
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prop->visible.tri = expr_calc_value(prop->visible.expr);
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if (prop->visible.tri != no)
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return prop;
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}
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return NULL;
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}
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struct property *sym_get_range_prop(struct symbol *sym)
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{
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struct property *prop;
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for_all_properties(sym, prop, P_RANGE) {
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prop->visible.tri = expr_calc_value(prop->visible.expr);
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if (prop->visible.tri != no)
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return prop;
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}
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return NULL;
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}
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static int sym_get_range_val(struct symbol *sym, int base)
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{
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sym_calc_value(sym);
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switch (sym->type) {
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case S_INT:
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base = 10;
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break;
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case S_HEX:
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base = 16;
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break;
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default:
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break;
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}
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return strtol(sym->curr.val, NULL, base);
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}
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static void sym_validate_range(struct symbol *sym)
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{
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struct property *prop;
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int base, val, val2;
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char str[64];
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switch (sym->type) {
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case S_INT:
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base = 10;
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break;
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case S_HEX:
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base = 16;
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break;
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default:
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return;
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}
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prop = sym_get_range_prop(sym);
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if (!prop)
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return;
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val = strtol(sym->curr.val, NULL, base);
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val2 = sym_get_range_val(prop->expr->left.sym, base);
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if (val >= val2) {
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val2 = sym_get_range_val(prop->expr->right.sym, base);
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if (val <= val2)
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return;
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}
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if (sym->type == S_INT)
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sprintf(str, "%d", val2);
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else
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sprintf(str, "0x%x", val2);
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sym->curr.val = strdup(str);
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}
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static void sym_calc_visibility(struct symbol *sym)
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{
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struct property *prop;
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tristate tri;
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/* any prompt visible? */
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tri = no;
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for_all_prompts(sym, prop) {
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prop->visible.tri = expr_calc_value(prop->visible.expr);
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tri = E_OR(tri, prop->visible.tri);
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}
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if (tri == mod && (sym->type != S_TRISTATE || modules_val == no))
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tri = yes;
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if (sym->visible != tri) {
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sym->visible = tri;
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sym_set_changed(sym);
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}
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if (sym_is_choice_value(sym))
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return;
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tri = no;
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if (sym->rev_dep.expr)
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tri = expr_calc_value(sym->rev_dep.expr);
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if (tri == mod && sym_get_type(sym) == S_BOOLEAN)
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tri = yes;
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if (sym->rev_dep.tri != tri) {
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sym->rev_dep.tri = tri;
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sym_set_changed(sym);
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}
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}
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static struct symbol *sym_calc_choice(struct symbol *sym)
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{
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struct symbol *def_sym;
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struct property *prop;
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struct expr *e;
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/* is the user choice visible? */
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def_sym = sym->def[S_DEF_USER].val;
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if (def_sym) {
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sym_calc_visibility(def_sym);
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if (def_sym->visible != no)
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return def_sym;
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}
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/* any of the defaults visible? */
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for_all_defaults(sym, prop) {
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prop->visible.tri = expr_calc_value(prop->visible.expr);
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if (prop->visible.tri == no)
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continue;
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def_sym = prop_get_symbol(prop);
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sym_calc_visibility(def_sym);
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if (def_sym->visible != no)
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return def_sym;
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}
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/* just get the first visible value */
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prop = sym_get_choice_prop(sym);
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for (e = prop->expr; e; e = e->left.expr) {
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def_sym = e->right.sym;
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sym_calc_visibility(def_sym);
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if (def_sym->visible != no)
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return def_sym;
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}
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/* no choice? reset tristate value */
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sym->curr.tri = no;
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return NULL;
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}
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void sym_calc_value(struct symbol *sym)
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{
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struct symbol_value newval, oldval;
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struct property *prop;
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struct expr *e;
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if (!sym)
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return;
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if (sym->flags & SYMBOL_VALID)
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return;
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sym->flags |= SYMBOL_VALID;
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oldval = sym->curr;
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switch (sym->type) {
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case S_INT:
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case S_HEX:
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case S_STRING:
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newval = symbol_empty.curr;
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break;
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case S_BOOLEAN:
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case S_TRISTATE:
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newval = symbol_no.curr;
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break;
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default:
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sym->curr.val = sym->name;
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sym->curr.tri = no;
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return;
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}
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if (!sym_is_choice_value(sym))
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sym->flags &= ~SYMBOL_WRITE;
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sym_calc_visibility(sym);
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/* set default if recursively called */
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sym->curr = newval;
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switch (sym_get_type(sym)) {
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case S_BOOLEAN:
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case S_TRISTATE:
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if (sym_is_choice_value(sym) && sym->visible == yes) {
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prop = sym_get_choice_prop(sym);
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newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no;
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} else if (E_OR(sym->visible, sym->rev_dep.tri) != no) {
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sym->flags |= SYMBOL_WRITE;
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if (sym_has_value(sym))
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newval.tri = sym->def[S_DEF_USER].tri;
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else if (!sym_is_choice(sym)) {
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prop = sym_get_default_prop(sym);
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if (prop)
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newval.tri = expr_calc_value(prop->expr);
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}
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newval.tri = E_OR(E_AND(newval.tri, sym->visible), sym->rev_dep.tri);
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} else if (!sym_is_choice(sym)) {
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prop = sym_get_default_prop(sym);
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if (prop) {
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sym->flags |= SYMBOL_WRITE;
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newval.tri = expr_calc_value(prop->expr);
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}
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}
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if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
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newval.tri = yes;
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break;
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case S_STRING:
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case S_HEX:
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case S_INT:
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if (sym->visible != no) {
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sym->flags |= SYMBOL_WRITE;
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if (sym_has_value(sym)) {
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|
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newval.val = sym->def[S_DEF_USER].val;
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yann@1
|
333 |
break;
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yann@1
|
334 |
}
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yann@1
|
335 |
}
|
yann@1
|
336 |
prop = sym_get_default_prop(sym);
|
yann@1
|
337 |
if (prop) {
|
yann@1
|
338 |
struct symbol *ds = prop_get_symbol(prop);
|
yann@1
|
339 |
if (ds) {
|
yann@1
|
340 |
sym->flags |= SYMBOL_WRITE;
|
yann@1
|
341 |
sym_calc_value(ds);
|
yann@1
|
342 |
newval.val = ds->curr.val;
|
yann@1
|
343 |
}
|
yann@1
|
344 |
}
|
yann@1
|
345 |
break;
|
yann@1
|
346 |
default:
|
yann@1
|
347 |
;
|
yann@1
|
348 |
}
|
yann@1
|
349 |
|
yann@1
|
350 |
sym->curr = newval;
|
yann@1
|
351 |
if (sym_is_choice(sym) && newval.tri == yes)
|
yann@1
|
352 |
sym->curr.val = sym_calc_choice(sym);
|
yann@1
|
353 |
sym_validate_range(sym);
|
yann@1
|
354 |
|
yann@1
|
355 |
if (memcmp(&oldval, &sym->curr, sizeof(oldval))) {
|
yann@1
|
356 |
sym_set_changed(sym);
|
yann@1
|
357 |
if (modules_sym == sym) {
|
yann@1
|
358 |
sym_set_all_changed();
|
yann@1
|
359 |
modules_val = modules_sym->curr.tri;
|
yann@1
|
360 |
}
|
yann@1
|
361 |
}
|
yann@1
|
362 |
|
yann@1
|
363 |
if (sym_is_choice(sym)) {
|
yann@1
|
364 |
int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
|
yann@1
|
365 |
prop = sym_get_choice_prop(sym);
|
yann@1
|
366 |
for (e = prop->expr; e; e = e->left.expr) {
|
yann@1
|
367 |
e->right.sym->flags |= flags;
|
yann@1
|
368 |
if (flags & SYMBOL_CHANGED)
|
yann@1
|
369 |
sym_set_changed(e->right.sym);
|
yann@1
|
370 |
}
|
yann@1
|
371 |
}
|
yann@1
|
372 |
}
|
yann@1
|
373 |
|
yann@1
|
374 |
void sym_clear_all_valid(void)
|
yann@1
|
375 |
{
|
yann@1
|
376 |
struct symbol *sym;
|
yann@1
|
377 |
int i;
|
yann@1
|
378 |
|
yann@1
|
379 |
for_all_symbols(i, sym)
|
yann@1
|
380 |
sym->flags &= ~SYMBOL_VALID;
|
yann@39
|
381 |
sym_add_change_count(1);
|
yann@1
|
382 |
if (modules_sym)
|
yann@1
|
383 |
sym_calc_value(modules_sym);
|
yann@1
|
384 |
}
|
yann@1
|
385 |
|
yann@1
|
386 |
void sym_set_changed(struct symbol *sym)
|
yann@1
|
387 |
{
|
yann@1
|
388 |
struct property *prop;
|
yann@1
|
389 |
|
yann@1
|
390 |
sym->flags |= SYMBOL_CHANGED;
|
yann@1
|
391 |
for (prop = sym->prop; prop; prop = prop->next) {
|
yann@1
|
392 |
if (prop->menu)
|
yann@1
|
393 |
prop->menu->flags |= MENU_CHANGED;
|
yann@1
|
394 |
}
|
yann@1
|
395 |
}
|
yann@1
|
396 |
|
yann@1
|
397 |
void sym_set_all_changed(void)
|
yann@1
|
398 |
{
|
yann@1
|
399 |
struct symbol *sym;
|
yann@1
|
400 |
int i;
|
yann@1
|
401 |
|
yann@1
|
402 |
for_all_symbols(i, sym)
|
yann@1
|
403 |
sym_set_changed(sym);
|
yann@1
|
404 |
}
|
yann@1
|
405 |
|
yann@1
|
406 |
bool sym_tristate_within_range(struct symbol *sym, tristate val)
|
yann@1
|
407 |
{
|
yann@1
|
408 |
int type = sym_get_type(sym);
|
yann@1
|
409 |
|
yann@1
|
410 |
if (sym->visible == no)
|
yann@1
|
411 |
return false;
|
yann@1
|
412 |
|
yann@1
|
413 |
if (type != S_BOOLEAN && type != S_TRISTATE)
|
yann@1
|
414 |
return false;
|
yann@1
|
415 |
|
yann@1
|
416 |
if (type == S_BOOLEAN && val == mod)
|
yann@1
|
417 |
return false;
|
yann@1
|
418 |
if (sym->visible <= sym->rev_dep.tri)
|
yann@1
|
419 |
return false;
|
yann@1
|
420 |
if (sym_is_choice_value(sym) && sym->visible == yes)
|
yann@1
|
421 |
return val == yes;
|
yann@1
|
422 |
return val >= sym->rev_dep.tri && val <= sym->visible;
|
yann@1
|
423 |
}
|
yann@1
|
424 |
|
yann@1
|
425 |
bool sym_set_tristate_value(struct symbol *sym, tristate val)
|
yann@1
|
426 |
{
|
yann@1
|
427 |
tristate oldval = sym_get_tristate_value(sym);
|
yann@1
|
428 |
|
yann@1
|
429 |
if (oldval != val && !sym_tristate_within_range(sym, val))
|
yann@1
|
430 |
return false;
|
yann@1
|
431 |
|
yann@1
|
432 |
if (!(sym->flags & SYMBOL_DEF_USER)) {
|
yann@1
|
433 |
sym->flags |= SYMBOL_DEF_USER;
|
yann@1
|
434 |
sym_set_changed(sym);
|
yann@1
|
435 |
}
|
yann@1
|
436 |
/*
|
yann@1
|
437 |
* setting a choice value also resets the new flag of the choice
|
yann@1
|
438 |
* symbol and all other choice values.
|
yann@1
|
439 |
*/
|
yann@1
|
440 |
if (sym_is_choice_value(sym) && val == yes) {
|
yann@1
|
441 |
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
|
yann@1
|
442 |
struct property *prop;
|
yann@1
|
443 |
struct expr *e;
|
yann@1
|
444 |
|
yann@1
|
445 |
cs->def[S_DEF_USER].val = sym;
|
yann@1
|
446 |
cs->flags |= SYMBOL_DEF_USER;
|
yann@1
|
447 |
prop = sym_get_choice_prop(cs);
|
yann@1
|
448 |
for (e = prop->expr; e; e = e->left.expr) {
|
yann@1
|
449 |
if (e->right.sym->visible != no)
|
yann@1
|
450 |
e->right.sym->flags |= SYMBOL_DEF_USER;
|
yann@1
|
451 |
}
|
yann@1
|
452 |
}
|
yann@1
|
453 |
|
yann@1
|
454 |
sym->def[S_DEF_USER].tri = val;
|
yann@1
|
455 |
if (oldval != val)
|
yann@1
|
456 |
sym_clear_all_valid();
|
yann@1
|
457 |
|
yann@1
|
458 |
return true;
|
yann@1
|
459 |
}
|
yann@1
|
460 |
|
yann@1
|
461 |
tristate sym_toggle_tristate_value(struct symbol *sym)
|
yann@1
|
462 |
{
|
yann@1
|
463 |
tristate oldval, newval;
|
yann@1
|
464 |
|
yann@1
|
465 |
oldval = newval = sym_get_tristate_value(sym);
|
yann@1
|
466 |
do {
|
yann@1
|
467 |
switch (newval) {
|
yann@1
|
468 |
case no:
|
yann@1
|
469 |
newval = mod;
|
yann@1
|
470 |
break;
|
yann@1
|
471 |
case mod:
|
yann@1
|
472 |
newval = yes;
|
yann@1
|
473 |
break;
|
yann@1
|
474 |
case yes:
|
yann@1
|
475 |
newval = no;
|
yann@1
|
476 |
break;
|
yann@1
|
477 |
}
|
yann@1
|
478 |
if (sym_set_tristate_value(sym, newval))
|
yann@1
|
479 |
break;
|
yann@1
|
480 |
} while (oldval != newval);
|
yann@1
|
481 |
return newval;
|
yann@1
|
482 |
}
|
yann@1
|
483 |
|
yann@1
|
484 |
bool sym_string_valid(struct symbol *sym, const char *str)
|
yann@1
|
485 |
{
|
yann@1
|
486 |
signed char ch;
|
yann@1
|
487 |
|
yann@1
|
488 |
switch (sym->type) {
|
yann@1
|
489 |
case S_STRING:
|
yann@1
|
490 |
return true;
|
yann@1
|
491 |
case S_INT:
|
yann@1
|
492 |
ch = *str++;
|
yann@1
|
493 |
if (ch == '-')
|
yann@1
|
494 |
ch = *str++;
|
yann@1
|
495 |
if (!isdigit(ch))
|
yann@1
|
496 |
return false;
|
yann@1
|
497 |
if (ch == '0' && *str != 0)
|
yann@1
|
498 |
return false;
|
yann@1
|
499 |
while ((ch = *str++)) {
|
yann@1
|
500 |
if (!isdigit(ch))
|
yann@1
|
501 |
return false;
|
yann@1
|
502 |
}
|
yann@1
|
503 |
return true;
|
yann@1
|
504 |
case S_HEX:
|
yann@1
|
505 |
if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
|
yann@1
|
506 |
str += 2;
|
yann@1
|
507 |
ch = *str++;
|
yann@1
|
508 |
do {
|
yann@1
|
509 |
if (!isxdigit(ch))
|
yann@1
|
510 |
return false;
|
yann@1
|
511 |
} while ((ch = *str++));
|
yann@1
|
512 |
return true;
|
yann@1
|
513 |
case S_BOOLEAN:
|
yann@1
|
514 |
case S_TRISTATE:
|
yann@1
|
515 |
switch (str[0]) {
|
yann@1
|
516 |
case 'y': case 'Y':
|
yann@1
|
517 |
case 'm': case 'M':
|
yann@1
|
518 |
case 'n': case 'N':
|
yann@1
|
519 |
return true;
|
yann@1
|
520 |
}
|
yann@1
|
521 |
return false;
|
yann@1
|
522 |
default:
|
yann@1
|
523 |
return false;
|
yann@1
|
524 |
}
|
yann@1
|
525 |
}
|
yann@1
|
526 |
|
yann@1
|
527 |
bool sym_string_within_range(struct symbol *sym, const char *str)
|
yann@1
|
528 |
{
|
yann@1
|
529 |
struct property *prop;
|
yann@1
|
530 |
int val;
|
yann@1
|
531 |
|
yann@1
|
532 |
switch (sym->type) {
|
yann@1
|
533 |
case S_STRING:
|
yann@1
|
534 |
return sym_string_valid(sym, str);
|
yann@1
|
535 |
case S_INT:
|
yann@1
|
536 |
if (!sym_string_valid(sym, str))
|
yann@1
|
537 |
return false;
|
yann@1
|
538 |
prop = sym_get_range_prop(sym);
|
yann@1
|
539 |
if (!prop)
|
yann@1
|
540 |
return true;
|
yann@1
|
541 |
val = strtol(str, NULL, 10);
|
yann@1
|
542 |
return val >= sym_get_range_val(prop->expr->left.sym, 10) &&
|
yann@1
|
543 |
val <= sym_get_range_val(prop->expr->right.sym, 10);
|
yann@1
|
544 |
case S_HEX:
|
yann@1
|
545 |
if (!sym_string_valid(sym, str))
|
yann@1
|
546 |
return false;
|
yann@1
|
547 |
prop = sym_get_range_prop(sym);
|
yann@1
|
548 |
if (!prop)
|
yann@1
|
549 |
return true;
|
yann@1
|
550 |
val = strtol(str, NULL, 16);
|
yann@1
|
551 |
return val >= sym_get_range_val(prop->expr->left.sym, 16) &&
|
yann@1
|
552 |
val <= sym_get_range_val(prop->expr->right.sym, 16);
|
yann@1
|
553 |
case S_BOOLEAN:
|
yann@1
|
554 |
case S_TRISTATE:
|
yann@1
|
555 |
switch (str[0]) {
|
yann@1
|
556 |
case 'y': case 'Y':
|
yann@1
|
557 |
return sym_tristate_within_range(sym, yes);
|
yann@1
|
558 |
case 'm': case 'M':
|
yann@1
|
559 |
return sym_tristate_within_range(sym, mod);
|
yann@1
|
560 |
case 'n': case 'N':
|
yann@1
|
561 |
return sym_tristate_within_range(sym, no);
|
yann@1
|
562 |
}
|
yann@1
|
563 |
return false;
|
yann@1
|
564 |
default:
|
yann@1
|
565 |
return false;
|
yann@1
|
566 |
}
|
yann@1
|
567 |
}
|
yann@1
|
568 |
|
yann@1
|
569 |
bool sym_set_string_value(struct symbol *sym, const char *newval)
|
yann@1
|
570 |
{
|
yann@1
|
571 |
const char *oldval;
|
yann@1
|
572 |
char *val;
|
yann@1
|
573 |
int size;
|
yann@1
|
574 |
|
yann@1
|
575 |
switch (sym->type) {
|
yann@1
|
576 |
case S_BOOLEAN:
|
yann@1
|
577 |
case S_TRISTATE:
|
yann@1
|
578 |
switch (newval[0]) {
|
yann@1
|
579 |
case 'y': case 'Y':
|
yann@1
|
580 |
return sym_set_tristate_value(sym, yes);
|
yann@1
|
581 |
case 'm': case 'M':
|
yann@1
|
582 |
return sym_set_tristate_value(sym, mod);
|
yann@1
|
583 |
case 'n': case 'N':
|
yann@1
|
584 |
return sym_set_tristate_value(sym, no);
|
yann@1
|
585 |
}
|
yann@1
|
586 |
return false;
|
yann@1
|
587 |
default:
|
yann@1
|
588 |
;
|
yann@1
|
589 |
}
|
yann@1
|
590 |
|
yann@1
|
591 |
if (!sym_string_within_range(sym, newval))
|
yann@1
|
592 |
return false;
|
yann@1
|
593 |
|
yann@1
|
594 |
if (!(sym->flags & SYMBOL_DEF_USER)) {
|
yann@1
|
595 |
sym->flags |= SYMBOL_DEF_USER;
|
yann@1
|
596 |
sym_set_changed(sym);
|
yann@1
|
597 |
}
|
yann@1
|
598 |
|
yann@1
|
599 |
oldval = sym->def[S_DEF_USER].val;
|
yann@1
|
600 |
size = strlen(newval) + 1;
|
yann@1
|
601 |
if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) {
|
yann@1
|
602 |
size += 2;
|
yann@1
|
603 |
sym->def[S_DEF_USER].val = val = malloc(size);
|
yann@1
|
604 |
*val++ = '0';
|
yann@1
|
605 |
*val++ = 'x';
|
yann@1
|
606 |
} else if (!oldval || strcmp(oldval, newval))
|
yann@1
|
607 |
sym->def[S_DEF_USER].val = val = malloc(size);
|
yann@1
|
608 |
else
|
yann@1
|
609 |
return true;
|
yann@1
|
610 |
|
yann@1
|
611 |
strcpy(val, newval);
|
yann@1
|
612 |
free((void *)oldval);
|
yann@1
|
613 |
sym_clear_all_valid();
|
yann@1
|
614 |
|
yann@1
|
615 |
return true;
|
yann@1
|
616 |
}
|
yann@1
|
617 |
|
yann@1
|
618 |
const char *sym_get_string_value(struct symbol *sym)
|
yann@1
|
619 |
{
|
yann@1
|
620 |
tristate val;
|
yann@1
|
621 |
|
yann@1
|
622 |
switch (sym->type) {
|
yann@1
|
623 |
case S_BOOLEAN:
|
yann@1
|
624 |
case S_TRISTATE:
|
yann@1
|
625 |
val = sym_get_tristate_value(sym);
|
yann@1
|
626 |
switch (val) {
|
yann@1
|
627 |
case no:
|
yann@1
|
628 |
return "n";
|
yann@1
|
629 |
case mod:
|
yann@1
|
630 |
return "m";
|
yann@1
|
631 |
case yes:
|
yann@1
|
632 |
return "y";
|
yann@1
|
633 |
}
|
yann@1
|
634 |
break;
|
yann@1
|
635 |
default:
|
yann@1
|
636 |
;
|
yann@1
|
637 |
}
|
yann@1
|
638 |
return (const char *)sym->curr.val;
|
yann@1
|
639 |
}
|
yann@1
|
640 |
|
yann@1
|
641 |
bool sym_is_changable(struct symbol *sym)
|
yann@1
|
642 |
{
|
yann@1
|
643 |
return sym->visible > sym->rev_dep.tri;
|
yann@1
|
644 |
}
|
yann@1
|
645 |
|
yann@1
|
646 |
struct symbol *sym_lookup(const char *name, int isconst)
|
yann@1
|
647 |
{
|
yann@1
|
648 |
struct symbol *symbol;
|
yann@1
|
649 |
const char *ptr;
|
yann@1
|
650 |
char *new_name;
|
yann@1
|
651 |
int hash = 0;
|
yann@1
|
652 |
|
yann@1
|
653 |
if (name) {
|
yann@1
|
654 |
if (name[0] && !name[1]) {
|
yann@1
|
655 |
switch (name[0]) {
|
yann@1
|
656 |
case 'y': return &symbol_yes;
|
yann@1
|
657 |
case 'm': return &symbol_mod;
|
yann@1
|
658 |
case 'n': return &symbol_no;
|
yann@1
|
659 |
}
|
yann@1
|
660 |
}
|
yann@1
|
661 |
for (ptr = name; *ptr; ptr++)
|
yann@1
|
662 |
hash += *ptr;
|
yann@1
|
663 |
hash &= 0xff;
|
yann@1
|
664 |
|
yann@1
|
665 |
for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
|
yann@1
|
666 |
if (!strcmp(symbol->name, name)) {
|
yann@1
|
667 |
if ((isconst && symbol->flags & SYMBOL_CONST) ||
|
yann@1
|
668 |
(!isconst && !(symbol->flags & SYMBOL_CONST)))
|
yann@1
|
669 |
return symbol;
|
yann@1
|
670 |
}
|
yann@1
|
671 |
}
|
yann@1
|
672 |
new_name = strdup(name);
|
yann@1
|
673 |
} else {
|
yann@1
|
674 |
new_name = NULL;
|
yann@1
|
675 |
hash = 256;
|
yann@1
|
676 |
}
|
yann@1
|
677 |
|
yann@1
|
678 |
symbol = malloc(sizeof(*symbol));
|
yann@1
|
679 |
memset(symbol, 0, sizeof(*symbol));
|
yann@1
|
680 |
symbol->name = new_name;
|
yann@1
|
681 |
symbol->type = S_UNKNOWN;
|
yann@1
|
682 |
if (isconst)
|
yann@1
|
683 |
symbol->flags |= SYMBOL_CONST;
|
yann@1
|
684 |
|
yann@1
|
685 |
symbol->next = symbol_hash[hash];
|
yann@1
|
686 |
symbol_hash[hash] = symbol;
|
yann@1
|
687 |
|
yann@1
|
688 |
return symbol;
|
yann@1
|
689 |
}
|
yann@1
|
690 |
|
yann@1
|
691 |
struct symbol *sym_find(const char *name)
|
yann@1
|
692 |
{
|
yann@1
|
693 |
struct symbol *symbol = NULL;
|
yann@1
|
694 |
const char *ptr;
|
yann@1
|
695 |
int hash = 0;
|
yann@1
|
696 |
|
yann@1
|
697 |
if (!name)
|
yann@1
|
698 |
return NULL;
|
yann@1
|
699 |
|
yann@1
|
700 |
if (name[0] && !name[1]) {
|
yann@1
|
701 |
switch (name[0]) {
|
yann@1
|
702 |
case 'y': return &symbol_yes;
|
yann@1
|
703 |
case 'm': return &symbol_mod;
|
yann@1
|
704 |
case 'n': return &symbol_no;
|
yann@1
|
705 |
}
|
yann@1
|
706 |
}
|
yann@1
|
707 |
for (ptr = name; *ptr; ptr++)
|
yann@1
|
708 |
hash += *ptr;
|
yann@1
|
709 |
hash &= 0xff;
|
yann@1
|
710 |
|
yann@1
|
711 |
for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
|
yann@1
|
712 |
if (!strcmp(symbol->name, name) &&
|
yann@1
|
713 |
!(symbol->flags & SYMBOL_CONST))
|
yann@1
|
714 |
break;
|
yann@1
|
715 |
}
|
yann@1
|
716 |
|
yann@1
|
717 |
return symbol;
|
yann@1
|
718 |
}
|
yann@1
|
719 |
|
yann@1
|
720 |
struct symbol **sym_re_search(const char *pattern)
|
yann@1
|
721 |
{
|
yann@1
|
722 |
struct symbol *sym, **sym_arr = NULL;
|
yann@1
|
723 |
int i, cnt, size;
|
yann@1
|
724 |
regex_t re;
|
yann@1
|
725 |
|
yann@1
|
726 |
cnt = size = 0;
|
yann@1
|
727 |
/* Skip if empty */
|
yann@1
|
728 |
if (strlen(pattern) == 0)
|
yann@1
|
729 |
return NULL;
|
yann@1
|
730 |
if (regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB|REG_ICASE))
|
yann@1
|
731 |
return NULL;
|
yann@1
|
732 |
|
yann@1
|
733 |
for_all_symbols(i, sym) {
|
yann@1
|
734 |
if (sym->flags & SYMBOL_CONST || !sym->name)
|
yann@1
|
735 |
continue;
|
yann@1
|
736 |
if (regexec(&re, sym->name, 0, NULL, 0))
|
yann@1
|
737 |
continue;
|
yann@1
|
738 |
if (cnt + 1 >= size) {
|
yann@1
|
739 |
void *tmp = sym_arr;
|
yann@1
|
740 |
size += 16;
|
yann@1
|
741 |
sym_arr = realloc(sym_arr, size * sizeof(struct symbol *));
|
yann@1
|
742 |
if (!sym_arr) {
|
yann@1
|
743 |
free(tmp);
|
yann@1
|
744 |
return NULL;
|
yann@1
|
745 |
}
|
yann@1
|
746 |
}
|
yann@1
|
747 |
sym_arr[cnt++] = sym;
|
yann@1
|
748 |
}
|
yann@1
|
749 |
if (sym_arr)
|
yann@1
|
750 |
sym_arr[cnt] = NULL;
|
yann@1
|
751 |
regfree(&re);
|
yann@1
|
752 |
|
yann@1
|
753 |
return sym_arr;
|
yann@1
|
754 |
}
|
yann@1
|
755 |
|
yann@1
|
756 |
|
yann@1
|
757 |
struct symbol *sym_check_deps(struct symbol *sym);
|
yann@1
|
758 |
|
yann@1
|
759 |
static struct symbol *sym_check_expr_deps(struct expr *e)
|
yann@1
|
760 |
{
|
yann@1
|
761 |
struct symbol *sym;
|
yann@1
|
762 |
|
yann@1
|
763 |
if (!e)
|
yann@1
|
764 |
return NULL;
|
yann@1
|
765 |
switch (e->type) {
|
yann@1
|
766 |
case E_OR:
|
yann@1
|
767 |
case E_AND:
|
yann@1
|
768 |
sym = sym_check_expr_deps(e->left.expr);
|
yann@1
|
769 |
if (sym)
|
yann@1
|
770 |
return sym;
|
yann@1
|
771 |
return sym_check_expr_deps(e->right.expr);
|
yann@1
|
772 |
case E_NOT:
|
yann@1
|
773 |
return sym_check_expr_deps(e->left.expr);
|
yann@1
|
774 |
case E_EQUAL:
|
yann@1
|
775 |
case E_UNEQUAL:
|
yann@1
|
776 |
sym = sym_check_deps(e->left.sym);
|
yann@1
|
777 |
if (sym)
|
yann@1
|
778 |
return sym;
|
yann@1
|
779 |
return sym_check_deps(e->right.sym);
|
yann@1
|
780 |
case E_SYMBOL:
|
yann@1
|
781 |
return sym_check_deps(e->left.sym);
|
yann@1
|
782 |
default:
|
yann@1
|
783 |
break;
|
yann@1
|
784 |
}
|
yann@1
|
785 |
printf("Oops! How to check %d?\n", e->type);
|
yann@1
|
786 |
return NULL;
|
yann@1
|
787 |
}
|
yann@1
|
788 |
|
yann@1
|
789 |
struct symbol *sym_check_deps(struct symbol *sym)
|
yann@1
|
790 |
{
|
yann@1
|
791 |
struct symbol *sym2;
|
yann@1
|
792 |
struct property *prop;
|
yann@1
|
793 |
|
yann@1
|
794 |
if (sym->flags & SYMBOL_CHECK) {
|
yann@1
|
795 |
printf("Warning! Found recursive dependency: %s", sym->name);
|
yann@1
|
796 |
return sym;
|
yann@1
|
797 |
}
|
yann@1
|
798 |
if (sym->flags & SYMBOL_CHECKED)
|
yann@1
|
799 |
return NULL;
|
yann@1
|
800 |
|
yann@1
|
801 |
sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED);
|
yann@1
|
802 |
sym2 = sym_check_expr_deps(sym->rev_dep.expr);
|
yann@1
|
803 |
if (sym2)
|
yann@1
|
804 |
goto out;
|
yann@1
|
805 |
|
yann@1
|
806 |
for (prop = sym->prop; prop; prop = prop->next) {
|
yann@1
|
807 |
if (prop->type == P_CHOICE || prop->type == P_SELECT)
|
yann@1
|
808 |
continue;
|
yann@1
|
809 |
sym2 = sym_check_expr_deps(prop->visible.expr);
|
yann@1
|
810 |
if (sym2)
|
yann@1
|
811 |
goto out;
|
yann@1
|
812 |
if (prop->type != P_DEFAULT || sym_is_choice(sym))
|
yann@1
|
813 |
continue;
|
yann@1
|
814 |
sym2 = sym_check_expr_deps(prop->expr);
|
yann@1
|
815 |
if (sym2)
|
yann@1
|
816 |
goto out;
|
yann@1
|
817 |
}
|
yann@1
|
818 |
out:
|
yann@1
|
819 |
if (sym2) {
|
yann@1
|
820 |
printf(" %s", sym->name);
|
yann@1
|
821 |
if (sym2 == sym) {
|
yann@1
|
822 |
printf("\n");
|
yann@1
|
823 |
sym2 = NULL;
|
yann@1
|
824 |
}
|
yann@1
|
825 |
}
|
yann@1
|
826 |
sym->flags &= ~SYMBOL_CHECK;
|
yann@1
|
827 |
return sym2;
|
yann@1
|
828 |
}
|
yann@1
|
829 |
|
yann@1
|
830 |
struct property *prop_alloc(enum prop_type type, struct symbol *sym)
|
yann@1
|
831 |
{
|
yann@1
|
832 |
struct property *prop;
|
yann@1
|
833 |
struct property **propp;
|
yann@1
|
834 |
|
yann@1
|
835 |
prop = malloc(sizeof(*prop));
|
yann@1
|
836 |
memset(prop, 0, sizeof(*prop));
|
yann@1
|
837 |
prop->type = type;
|
yann@1
|
838 |
prop->sym = sym;
|
yann@1
|
839 |
prop->file = current_file;
|
yann@1
|
840 |
prop->lineno = zconf_lineno();
|
yann@1
|
841 |
|
yann@1
|
842 |
/* append property to the prop list of symbol */
|
yann@1
|
843 |
if (sym) {
|
yann@1
|
844 |
for (propp = &sym->prop; *propp; propp = &(*propp)->next)
|
yann@1
|
845 |
;
|
yann@1
|
846 |
*propp = prop;
|
yann@1
|
847 |
}
|
yann@1
|
848 |
|
yann@1
|
849 |
return prop;
|
yann@1
|
850 |
}
|
yann@1
|
851 |
|
yann@1
|
852 |
struct symbol *prop_get_symbol(struct property *prop)
|
yann@1
|
853 |
{
|
yann@1
|
854 |
if (prop->expr && (prop->expr->type == E_SYMBOL ||
|
yann@1
|
855 |
prop->expr->type == E_CHOICE))
|
yann@1
|
856 |
return prop->expr->left.sym;
|
yann@1
|
857 |
return NULL;
|
yann@1
|
858 |
}
|
yann@1
|
859 |
|
yann@1
|
860 |
const char *prop_get_type_name(enum prop_type type)
|
yann@1
|
861 |
{
|
yann@1
|
862 |
switch (type) {
|
yann@1
|
863 |
case P_PROMPT:
|
yann@1
|
864 |
return "prompt";
|
yann@1
|
865 |
case P_COMMENT:
|
yann@1
|
866 |
return "comment";
|
yann@1
|
867 |
case P_MENU:
|
yann@1
|
868 |
return "menu";
|
yann@1
|
869 |
case P_DEFAULT:
|
yann@1
|
870 |
return "default";
|
yann@1
|
871 |
case P_CHOICE:
|
yann@1
|
872 |
return "choice";
|
yann@1
|
873 |
case P_SELECT:
|
yann@1
|
874 |
return "select";
|
yann@1
|
875 |
case P_RANGE:
|
yann@1
|
876 |
return "range";
|
yann@1
|
877 |
case P_UNKNOWN:
|
yann@1
|
878 |
break;
|
yann@1
|
879 |
}
|
yann@1
|
880 |
return "unknown";
|
yann@1
|
881 |
}
|