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-rw-r--r--config/symbol.c393
1 files changed, 292 insertions, 101 deletions
diff --git a/config/symbol.c b/config/symbol.c
index b9d2c3d2a..18f3e5c33 100644
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -4,69 +4,61 @@
*/
#include <ctype.h>
-#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
+#include <regex.h>
#include <sys/utsname.h>
#define LKC_DIRECT_LINK
#include "lkc.h"
-extern int output_mode;
-
struct symbol symbol_yes = {
.name = "y",
.curr = { "y", yes },
- .flags = SYMBOL_YES|SYMBOL_VALID,
+ .flags = SYMBOL_CONST|SYMBOL_VALID,
}, symbol_mod = {
.name = "m",
.curr = { "m", mod },
- .flags = SYMBOL_MOD|SYMBOL_VALID,
+ .flags = SYMBOL_CONST|SYMBOL_VALID,
}, symbol_no = {
.name = "n",
.curr = { "n", no },
- .flags = SYMBOL_NO|SYMBOL_VALID,
+ .flags = SYMBOL_CONST|SYMBOL_VALID,
}, symbol_empty = {
.name = "",
.curr = { "", no },
.flags = SYMBOL_VALID,
};
-int sym_change_count;
+struct symbol *sym_defconfig_list;
struct symbol *modules_sym;
tristate modules_val;
+struct expr *sym_env_list;
+
void sym_add_default(struct symbol *sym, const char *def)
{
struct property *prop = prop_alloc(P_DEFAULT, sym);
- prop->expr = expr_alloc_symbol(sym_lookup(def, 1));
+ prop->expr = expr_alloc_symbol(sym_lookup(def, SYMBOL_CONST));
}
void sym_init(void)
{
struct symbol *sym;
- char *p;
+ struct utsname uts;
static bool inited = false;
if (inited)
return;
inited = true;
- sym = sym_lookup("VERSION", 0);
- sym->type = S_STRING;
- sym->flags |= SYMBOL_AUTO;
- p = getenv("VERSION");
- if (p)
- sym_add_default(sym, p);
+ uname(&uts);
- sym = sym_lookup("TARGET_ARCH", 0);
+ sym = sym_lookup("UNAME_RELEASE", 0);
sym->type = S_STRING;
sym->flags |= SYMBOL_AUTO;
- p = getenv("TARGET_ARCH");
- if (p)
- sym_add_default(sym, p);
-
+ sym_add_default(sym, uts.release);
}
enum symbol_type sym_get_type(struct symbol *sym)
@@ -112,13 +104,22 @@ struct property *sym_get_choice_prop(struct symbol *sym)
return NULL;
}
+struct property *sym_get_env_prop(struct symbol *sym)
+{
+ struct property *prop;
+
+ for_all_properties(sym, prop, P_ENV)
+ return prop;
+ return NULL;
+}
+
struct property *sym_get_default_prop(struct symbol *sym)
{
struct property *prop;
for_all_defaults(sym, prop) {
prop->visible.tri = expr_calc_value(prop->visible.expr);
- if (prop->visible.tri != no || output_mode)
+ if (prop->visible.tri != no)
return prop;
}
return NULL;
@@ -136,29 +137,73 @@ struct property *sym_get_range_prop(struct symbol *sym)
return NULL;
}
+static int sym_get_range_val(struct symbol *sym, int base)
+{
+ sym_calc_value(sym);
+ switch (sym->type) {
+ case S_INT:
+ base = 10;
+ break;
+ case S_HEX:
+ base = 16;
+ break;
+ default:
+ break;
+ }
+ return strtol(sym->curr.val, NULL, base);
+}
+
+static void sym_validate_range(struct symbol *sym)
+{
+ struct property *prop;
+ int base, val, val2;
+ char str[64];
+
+ switch (sym->type) {
+ case S_INT:
+ base = 10;
+ break;
+ case S_HEX:
+ base = 16;
+ break;
+ default:
+ return;
+ }
+ prop = sym_get_range_prop(sym);
+ if (!prop)
+ return;
+ val = strtol(sym->curr.val, NULL, base);
+ val2 = sym_get_range_val(prop->expr->left.sym, base);
+ if (val >= val2) {
+ val2 = sym_get_range_val(prop->expr->right.sym, base);
+ if (val <= val2)
+ return;
+ }
+ if (sym->type == S_INT)
+ sprintf(str, "%d", val2);
+ else
+ sprintf(str, "0x%x", val2);
+ sym->curr.val = strdup(str);
+}
+
static void sym_calc_visibility(struct symbol *sym)
{
struct property *prop;
tristate tri;
- bool deselected = false;
/* any prompt visible? */
tri = no;
for_all_prompts(sym, prop) {
prop->visible.tri = expr_calc_value(prop->visible.expr);
- tri = E_OR(tri, prop->visible.tri);
+ tri = EXPR_OR(tri, prop->visible.tri);
}
if (tri == mod && (sym->type != S_TRISTATE || modules_val == no))
tri = yes;
- if (sym->rev_dep_inv.expr && (expr_calc_value(sym->rev_dep_inv.expr) == yes)) {
- tri = no;
- deselected = true;
- }
if (sym->visible != tri) {
sym->visible = tri;
sym_set_changed(sym);
}
- if (sym_is_choice_value(sym) || deselected)
+ if (sym_is_choice_value(sym))
return;
tri = no;
if (sym->rev_dep.expr)
@@ -178,7 +223,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
struct expr *e;
/* is the user choice visible? */
- def_sym = sym->user.val;
+ def_sym = sym->def[S_DEF_USER].val;
if (def_sym) {
sym_calc_visibility(def_sym);
if (def_sym->visible != no)
@@ -198,8 +243,7 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
/* just get the first visible value */
prop = sym_get_choice_prop(sym);
- for (e = prop->expr; e; e = e->left.expr) {
- def_sym = e->right.sym;
+ expr_list_for_each_sym(prop->expr, e, def_sym) {
sym_calc_visibility(def_sym);
if (def_sym->visible != no)
return def_sym;
@@ -254,24 +298,30 @@ void sym_calc_value(struct symbol *sym)
if (sym_is_choice_value(sym) && sym->visible == yes) {
prop = sym_get_choice_prop(sym);
newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no;
- } else if (sym->rev_dep_inv.expr && (expr_calc_value(sym->rev_dep_inv.expr) == yes)) {
- newval.tri = no;
- } else if (E_OR(sym->visible, sym->rev_dep.tri) != no) {
- sym->flags |= SYMBOL_WRITE;
- if (sym_has_value(sym))
- newval.tri = sym->user.tri;
- else if (!sym_is_choice(sym)) {
- prop = sym_get_default_prop(sym);
- if (prop)
- newval.tri = expr_calc_value(prop->expr);
+ } else {
+ if (sym->visible != no) {
+ /* if the symbol is visible use the user value
+ * if available, otherwise try the default value
+ */
+ sym->flags |= SYMBOL_WRITE;
+ if (sym_has_value(sym)) {
+ newval.tri = EXPR_AND(sym->def[S_DEF_USER].tri,
+ sym->visible);
+ goto calc_newval;
+ }
}
- newval.tri = E_OR(E_AND(newval.tri, sym->visible), sym->rev_dep.tri);
- } else if (!sym_is_choice(sym)) {
- prop = sym_get_default_prop(sym);
- if (prop) {
+ if (sym->rev_dep.tri != no)
sym->flags |= SYMBOL_WRITE;
- newval.tri = expr_calc_value(prop->expr);
+ if (!sym_is_choice(sym)) {
+ prop = sym_get_default_prop(sym);
+ if (prop) {
+ sym->flags |= SYMBOL_WRITE;
+ newval.tri = EXPR_AND(expr_calc_value(prop->expr),
+ prop->visible.tri);
+ }
}
+ calc_newval:
+ newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
}
if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
newval.tri = yes;
@@ -282,7 +332,7 @@ void sym_calc_value(struct symbol *sym)
if (sym->visible != no) {
sym->flags |= SYMBOL_WRITE;
if (sym_has_value(sym)) {
- newval.val = sym->user.val;
+ newval.val = sym->def[S_DEF_USER].val;
break;
}
}
@@ -303,21 +353,30 @@ void sym_calc_value(struct symbol *sym)
sym->curr = newval;
if (sym_is_choice(sym) && newval.tri == yes)
sym->curr.val = sym_calc_choice(sym);
+ sym_validate_range(sym);
- if (memcmp(&oldval, &sym->curr, sizeof(oldval)))
+ if (memcmp(&oldval, &sym->curr, sizeof(oldval))) {
sym_set_changed(sym);
- if (modules_sym == sym)
- modules_val = modules_sym->curr.tri;
+ if (modules_sym == sym) {
+ sym_set_all_changed();
+ modules_val = modules_sym->curr.tri;
+ }
+ }
if (sym_is_choice(sym)) {
+ struct symbol *choice_sym;
int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
+
prop = sym_get_choice_prop(sym);
- for (e = prop->expr; e; e = e->left.expr) {
- e->right.sym->flags |= flags;
+ expr_list_for_each_sym(prop->expr, e, choice_sym) {
+ choice_sym->flags |= flags;
if (flags & SYMBOL_CHANGED)
- sym_set_changed(e->right.sym);
+ sym_set_changed(choice_sym);
}
}
+
+ if (sym->flags & SYMBOL_AUTO)
+ sym->flags &= ~SYMBOL_WRITE;
}
void sym_clear_all_valid(void)
@@ -327,7 +386,7 @@ void sym_clear_all_valid(void)
for_all_symbols(i, sym)
sym->flags &= ~SYMBOL_VALID;
- sym_change_count++;
+ sym_add_change_count(1);
if (modules_sym)
sym_calc_value(modules_sym);
}
@@ -378,23 +437,31 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val)
if (oldval != val && !sym_tristate_within_range(sym, val))
return false;
- if (sym->flags & SYMBOL_NEW) {
- sym->flags &= ~SYMBOL_NEW;
+ if (!(sym->flags & SYMBOL_DEF_USER)) {
+ sym->flags |= SYMBOL_DEF_USER;
sym_set_changed(sym);
}
+ /*
+ * setting a choice value also resets the new flag of the choice
+ * symbol and all other choice values.
+ */
if (sym_is_choice_value(sym) && val == yes) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
+ struct property *prop;
+ struct expr *e;
- cs->user.val = sym;
- cs->flags &= ~SYMBOL_NEW;
+ cs->def[S_DEF_USER].val = sym;
+ cs->flags |= SYMBOL_DEF_USER;
+ prop = sym_get_choice_prop(cs);
+ for (e = prop->expr; e; e = e->left.expr) {
+ if (e->right.sym->visible != no)
+ e->right.sym->flags |= SYMBOL_DEF_USER;
+ }
}
- sym->user.tri = val;
- if (oldval != val) {
+ sym->def[S_DEF_USER].tri = val;
+ if (oldval != val)
sym_clear_all_valid();
- if (sym == modules_sym)
- sym_set_all_changed();
- }
return true;
}
@@ -424,7 +491,7 @@ tristate sym_toggle_tristate_value(struct symbol *sym)
bool sym_string_valid(struct symbol *sym, const char *str)
{
- char ch;
+ signed char ch;
switch (sym->type) {
case S_STRING:
@@ -480,8 +547,8 @@ bool sym_string_within_range(struct symbol *sym, const char *str)
if (!prop)
return true;
val = strtol(str, NULL, 10);
- return val >= strtol(prop->expr->left.sym->name, NULL, 10) &&
- val <= strtol(prop->expr->right.sym->name, NULL, 10);
+ return val >= sym_get_range_val(prop->expr->left.sym, 10) &&
+ val <= sym_get_range_val(prop->expr->right.sym, 10);
case S_HEX:
if (!sym_string_valid(sym, str))
return false;
@@ -489,8 +556,8 @@ bool sym_string_within_range(struct symbol *sym, const char *str)
if (!prop)
return true;
val = strtol(str, NULL, 16);
- return val >= strtol(prop->expr->left.sym->name, NULL, 16) &&
- val <= strtol(prop->expr->right.sym->name, NULL, 16);
+ return val >= sym_get_range_val(prop->expr->left.sym, 16) &&
+ val <= sym_get_range_val(prop->expr->right.sym, 16);
case S_BOOLEAN:
case S_TRISTATE:
switch (str[0]) {
@@ -532,20 +599,20 @@ bool sym_set_string_value(struct symbol *sym, const char *newval)
if (!sym_string_within_range(sym, newval))
return false;
- if (sym->flags & SYMBOL_NEW) {
- sym->flags &= ~SYMBOL_NEW;
+ if (!(sym->flags & SYMBOL_DEF_USER)) {
+ sym->flags |= SYMBOL_DEF_USER;
sym_set_changed(sym);
}
- oldval = sym->user.val;
+ oldval = sym->def[S_DEF_USER].val;
size = strlen(newval) + 1;
if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) {
size += 2;
- sym->user.val = val = malloc(size);
+ sym->def[S_DEF_USER].val = val = malloc(size);
*val++ = '0';
*val++ = 'x';
} else if (!oldval || strcmp(oldval, newval))
- sym->user.val = val = malloc(size);
+ sym->def[S_DEF_USER].val = val = malloc(size);
else
return true;
@@ -584,7 +651,7 @@ bool sym_is_changable(struct symbol *sym)
return sym->visible > sym->rev_dep.tri;
}
-struct symbol *sym_lookup(const char *name, int isconst)
+struct symbol *sym_lookup(const char *name, int flags)
{
struct symbol *symbol;
const char *ptr;
@@ -604,11 +671,10 @@ struct symbol *sym_lookup(const char *name, int isconst)
hash &= 0xff;
for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
- if (!strcmp(symbol->name, name)) {
- if ((isconst && symbol->flags & SYMBOL_CONST) ||
- (!isconst && !(symbol->flags & SYMBOL_CONST)))
- return symbol;
- }
+ if (!strcmp(symbol->name, name) &&
+ (flags ? symbol->flags & flags
+ : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
+ return symbol;
}
new_name = strdup(name);
} else {
@@ -620,9 +686,7 @@ struct symbol *sym_lookup(const char *name, int isconst)
memset(symbol, 0, sizeof(*symbol));
symbol->name = new_name;
symbol->type = S_UNKNOWN;
- symbol->flags = SYMBOL_NEW;
- if (isconst)
- symbol->flags |= SYMBOL_CONST;
+ symbol->flags |= flags;
symbol->next = symbol_hash[hash];
symbol_hash[hash] = symbol;
@@ -659,7 +723,42 @@ struct symbol *sym_find(const char *name)
return symbol;
}
-struct symbol *sym_check_deps(struct symbol *sym);
+struct symbol **sym_re_search(const char *pattern)
+{
+ struct symbol *sym, **sym_arr = NULL;
+ int i, cnt, size;
+ regex_t re;
+
+ cnt = size = 0;
+ /* Skip if empty */
+ if (strlen(pattern) == 0)
+ return NULL;
+ if (regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB|REG_ICASE))
+ return NULL;
+
+ for_all_symbols(i, sym) {
+ if (sym->flags & SYMBOL_CONST || !sym->name)
+ continue;
+ if (regexec(&re, sym->name, 0, NULL, 0))
+ continue;
+ if (cnt + 1 >= size) {
+ void *tmp = sym_arr;
+ size += 16;
+ sym_arr = realloc(sym_arr, size * sizeof(struct symbol *));
+ if (!sym_arr) {
+ free(tmp);
+ return NULL;
+ }
+ }
+ sym_arr[cnt++] = sym;
+ }
+ if (sym_arr)
+ sym_arr[cnt] = NULL;
+ regfree(&re);
+
+ return sym_arr;
+}
+
static struct symbol *sym_check_expr_deps(struct expr *e)
{
@@ -691,39 +790,101 @@ static struct symbol *sym_check_expr_deps(struct expr *e)
return NULL;
}
-struct symbol *sym_check_deps(struct symbol *sym)
+/* return NULL when dependencies are OK */
+static struct symbol *sym_check_sym_deps(struct symbol *sym)
{
struct symbol *sym2;
struct property *prop;
- if (sym->flags & SYMBOL_CHECK_DONE)
- return NULL;
- if (sym->flags & SYMBOL_CHECK) {
- printf("Warning! Found recursive dependency: %s", sym->name);
- return sym;
- }
-
- sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED);
sym2 = sym_check_expr_deps(sym->rev_dep.expr);
if (sym2)
- goto out;
+ return sym2;
for (prop = sym->prop; prop; prop = prop->next) {
- if (prop->type == P_CHOICE || prop->type == P_SELECT || prop->type == P_SELECTNOT)
+ if (prop->type == P_CHOICE || prop->type == P_SELECT)
continue;
sym2 = sym_check_expr_deps(prop->visible.expr);
if (sym2)
- goto out;
+ break;
if (prop->type != P_DEFAULT || sym_is_choice(sym))
continue;
sym2 = sym_check_expr_deps(prop->expr);
if (sym2)
- goto out;
+ break;
}
-out:
+
+ return sym2;
+}
+
+static struct symbol *sym_check_choice_deps(struct symbol *choice)
+{
+ struct symbol *sym, *sym2;
+ struct property *prop;
+ struct expr *e;
+
+ prop = sym_get_choice_prop(choice);
+ expr_list_for_each_sym(prop->expr, e, sym)
+ sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED);
+
+ choice->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED);
+ sym2 = sym_check_sym_deps(choice);
+ choice->flags &= ~SYMBOL_CHECK;
if (sym2)
- printf(" %s", sym->name);
- sym->flags &= ~SYMBOL_CHECK;
+ goto out;
+
+ expr_list_for_each_sym(prop->expr, e, sym) {
+ sym2 = sym_check_sym_deps(sym);
+ if (sym2) {
+ fprintf(stderr, " -> %s", sym->name);
+ break;
+ }
+ }
+out:
+ expr_list_for_each_sym(prop->expr, e, sym)
+ sym->flags &= ~SYMBOL_CHECK;
+
+ if (sym2 && sym_is_choice_value(sym2) &&
+ prop_get_symbol(sym_get_choice_prop(sym2)) == choice)
+ sym2 = choice;
+
+ return sym2;
+}
+
+struct symbol *sym_check_deps(struct symbol *sym)
+{
+ struct symbol *sym2;
+ struct property *prop;
+
+ if (sym->flags & SYMBOL_CHECK) {
+ fprintf(stderr, "%s:%d:error: found recursive dependency: %s",
+ sym->prop->file->name, sym->prop->lineno,
+ sym->name ? sym->name : "<choice>");
+ return sym;
+ }
+ if (sym->flags & SYMBOL_CHECKED)
+ return NULL;
+
+ if (sym_is_choice_value(sym)) {
+ /* for choice groups start the check with main choice symbol */
+ prop = sym_get_choice_prop(sym);
+ sym2 = sym_check_deps(prop_get_symbol(prop));
+ } else if (sym_is_choice(sym)) {
+ sym2 = sym_check_choice_deps(sym);
+ } else {
+ sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED);
+ sym2 = sym_check_sym_deps(sym);
+ sym->flags &= ~SYMBOL_CHECK;
+ }
+
+ if (sym2) {
+ fprintf(stderr, " -> %s", sym->name ? sym->name : "<choice>");
+ if (sym2 == sym) {
+ fprintf(stderr, "\n");
+ zconfnerrs++;
+ sym2 = NULL;
+ }
+ }
+
return sym2;
}
@@ -752,7 +913,7 @@ struct property *prop_alloc(enum prop_type type, struct symbol *sym)
struct symbol *prop_get_symbol(struct property *prop)
{
if (prop->expr && (prop->expr->type == E_SYMBOL ||
- prop->expr->type == E_CHOICE))
+ prop->expr->type == E_LIST))
return prop->expr->left.sym;
return NULL;
}
@@ -762,6 +923,8 @@ const char *prop_get_type_name(enum prop_type type)
switch (type) {
case P_PROMPT:
return "prompt";
+ case P_ENV:
+ return "env";
case P_COMMENT:
return "comment";
case P_MENU:
@@ -771,7 +934,6 @@ const char *prop_get_type_name(enum prop_type type)
case P_CHOICE:
return "choice";
case P_SELECT:
- case P_SELECTNOT:
return "select";
case P_RANGE:
return "range";
@@ -780,3 +942,32 @@ const char *prop_get_type_name(enum prop_type type)
}
return "unknown";
}
+
+void prop_add_env(const char *env)
+{
+ struct symbol *sym, *sym2;
+ struct property *prop;
+ char *p;
+
+ sym = current_entry->sym;
+ sym->flags |= SYMBOL_AUTO;
+ for_all_properties(sym, prop, P_ENV) {
+ sym2 = prop_get_symbol(prop);
+ if (strcmp(sym2->name, env))
+ menu_warn(current_entry, "redefining environment symbol from %s",
+ sym2->name);
+ return;
+ }
+
+ prop = prop_alloc(P_ENV, sym);
+ prop->expr = expr_alloc_symbol(sym_lookup(env, SYMBOL_CONST));
+
+ sym_env_list = expr_alloc_one(E_LIST, sym_env_list);
+ sym_env_list->right.sym = sym;
+
+ p = getenv(env);
+ if (p)
+ sym_add_default(sym, p);
+ else
+ menu_warn(current_entry, "environment variable %s undefined", env);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 02:34:54 +0000