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-rw-r--r--scripts/kconfig/symbol.c148
1 files changed, 48 insertions, 100 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 1f9266dadedf..e9e9fb8d8674 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -3,11 +3,11 @@
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
*/
+#include <sys/types.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <regex.h>
-#include <sys/utsname.h>
#include "lkc.h"
@@ -15,23 +15,23 @@ struct symbol symbol_yes = {
.name = "y",
.curr = { "y", yes },
.flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_mod = {
+};
+
+struct symbol symbol_mod = {
.name = "m",
.curr = { "m", mod },
.flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_no = {
+};
+
+struct symbol symbol_no = {
.name = "n",
.curr = { "n", no },
.flags = SYMBOL_CONST|SYMBOL_VALID,
-}, symbol_empty = {
- .name = "",
- .curr = { "", no },
- .flags = SYMBOL_VALID,
};
-struct symbol *sym_defconfig_list;
struct symbol *modules_sym;
-tristate modules_val;
+static tristate modules_val;
+static int sym_warnings;
enum symbol_type sym_get_type(struct symbol *sym)
{
@@ -117,9 +117,9 @@ static long long sym_get_range_val(struct symbol *sym, int base)
static void sym_validate_range(struct symbol *sym)
{
struct property *prop;
+ struct symbol *range_sym;
int base;
long long val, val2;
- char str[64];
switch (sym->type) {
case S_INT:
@@ -135,17 +135,15 @@ static void sym_validate_range(struct symbol *sym)
if (!prop)
return;
val = strtoll(sym->curr.val, NULL, base);
- val2 = sym_get_range_val(prop->expr->left.sym, base);
+ range_sym = prop->expr->left.sym;
+ val2 = sym_get_range_val(range_sym, base);
if (val >= val2) {
- val2 = sym_get_range_val(prop->expr->right.sym, base);
+ range_sym = prop->expr->right.sym;
+ val2 = sym_get_range_val(range_sym, base);
if (val <= val2)
return;
}
- if (sym->type == S_INT)
- sprintf(str, "%lld", val2);
- else
- sprintf(str, "0x%llx", val2);
- sym->curr.val = xstrdup(str);
+ sym->curr.val = range_sym->curr.val;
}
static void sym_set_changed(struct symbol *sym)
@@ -221,7 +219,7 @@ static void sym_calc_visibility(struct symbol *sym)
sym_set_changed(sym);
}
tri = no;
- if (sym->implied.expr && sym->dir_dep.tri != no)
+ if (sym->implied.expr)
tri = expr_calc_value(sym->implied.expr);
if (tri == mod && sym_get_type(sym) == S_BOOLEAN)
tri = yes;
@@ -314,6 +312,14 @@ static void sym_warn_unmet_dep(struct symbol *sym)
" Selected by [m]:\n");
fputs(str_get(&gs), stderr);
+ sym_warnings++;
+}
+
+bool sym_dep_errors(void)
+{
+ if (sym_warnings)
+ return getenv("KCONFIG_WERROR");
+ return false;
}
void sym_calc_value(struct symbol *sym)
@@ -339,15 +345,21 @@ void sym_calc_value(struct symbol *sym)
oldval = sym->curr;
+ newval.tri = no;
+
switch (sym->type) {
case S_INT:
+ newval.val = "0";
+ break;
case S_HEX:
+ newval.val = "0x0";
+ break;
case S_STRING:
- newval = symbol_empty.curr;
+ newval.val = "";
break;
case S_BOOLEAN:
case S_TRISTATE:
- newval = symbol_no.curr;
+ newval.val = "n";
break;
default:
sym->curr.val = sym->name;
@@ -394,6 +406,8 @@ void sym_calc_value(struct symbol *sym)
if (sym->implied.tri != no) {
sym->flags |= SYMBOL_WRITE;
newval.tri = EXPR_OR(newval.tri, sym->implied.tri);
+ newval.tri = EXPR_AND(newval.tri,
+ sym->dir_dep.tri);
}
}
calc_newval:
@@ -401,8 +415,7 @@ void sym_calc_value(struct symbol *sym)
sym_warn_unmet_dep(sym);
newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
}
- if (newval.tri == mod &&
- (sym_get_type(sym) == S_BOOLEAN || sym->implied.tri == yes))
+ if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
newval.tri = yes;
break;
case S_STRING:
@@ -466,7 +479,7 @@ void sym_clear_all_valid(void)
for_all_symbols(i, sym)
sym->flags &= ~SYMBOL_VALID;
- sym_add_change_count(1);
+ conf_set_changed(true);
sym_calc_value(modules_sym);
}
@@ -484,8 +497,6 @@ bool sym_tristate_within_range(struct symbol *sym, tristate val)
return false;
if (sym->visible <= sym->rev_dep.tri)
return false;
- if (sym->implied.tri == yes && val == mod)
- return false;
if (sym_is_choice_value(sym) && sym->visible == yes)
return val == yes;
return val >= sym->rev_dep.tri && val <= sym->visible;
@@ -695,13 +706,12 @@ const char *sym_get_string_default(struct symbol *sym)
{
struct property *prop;
struct symbol *ds;
- const char *str;
+ const char *str = "";
tristate val;
sym_calc_visibility(sym);
sym_calc_value(modules_sym);
val = symbol_no.curr.tri;
- str = symbol_empty.curr.val;
/* If symbol has a default value look it up */
prop = sym_get_default_prop(sym);
@@ -751,14 +761,17 @@ const char *sym_get_string_default(struct symbol *sym)
case yes: return "y";
}
case S_INT:
+ if (!str[0])
+ str = "0";
+ break;
case S_HEX:
- return str;
- case S_STRING:
- return str;
- case S_UNKNOWN:
+ if (!str[0])
+ str = "0x0";
+ break;
+ default:
break;
}
- return "";
+ return str;
}
const char *sym_get_string_value(struct symbol *sym)
@@ -785,7 +798,7 @@ const char *sym_get_string_value(struct symbol *sym)
return (const char *)sym->curr.val;
}
-bool sym_is_changable(struct symbol *sym)
+bool sym_is_changeable(struct symbol *sym)
{
return sym->visible > sym->rev_dep.tri;
}
@@ -832,7 +845,7 @@ struct symbol *sym_lookup(const char *name, int flags)
memset(symbol, 0, sizeof(*symbol));
symbol->name = new_name;
symbol->type = S_UNKNOWN;
- symbol->flags |= flags;
+ symbol->flags = flags;
symbol->next = symbol_hash[hash];
symbol_hash[hash] = symbol;
@@ -867,49 +880,6 @@ struct symbol *sym_find(const char *name)
return symbol;
}
-const char *sym_escape_string_value(const char *in)
-{
- const char *p;
- size_t reslen;
- char *res;
- size_t l;
-
- reslen = strlen(in) + strlen("\"\"") + 1;
-
- p = in;
- for (;;) {
- l = strcspn(p, "\"\\");
- p += l;
-
- if (p[0] == '\0')
- break;
-
- reslen++;
- p++;
- }
-
- res = xmalloc(reslen);
- res[0] = '\0';
-
- strcat(res, "\"");
-
- p = in;
- for (;;) {
- l = strcspn(p, "\"\\");
- strncat(res, p, l);
- p += l;
-
- if (p[0] == '\0')
- break;
-
- strcat(res, "\\");
- strncat(res, p++, 1);
- }
-
- strcat(res, "\"");
- return res;
-}
-
struct sym_match {
struct symbol *sym;
off_t so, eo;
@@ -1114,7 +1084,7 @@ static void sym_check_print_recursive(struct symbol *last_sym)
}
fprintf(stderr,
- "For a resolution refer to Documentation/kbuild/kconfig-language.txt\n"
+ "For a resolution refer to Documentation/kbuild/kconfig-language.rst\n"
"subsection \"Kconfig recursive dependency limitations\"\n"
"\n");
@@ -1273,28 +1243,6 @@ struct symbol *sym_check_deps(struct symbol *sym)
return sym2;
}
-struct property *prop_alloc(enum prop_type type, struct symbol *sym)
-{
- struct property *prop;
- struct property **propp;
-
- prop = xmalloc(sizeof(*prop));
- memset(prop, 0, sizeof(*prop));
- prop->type = type;
- prop->sym = sym;
- prop->file = current_file;
- prop->lineno = zconf_lineno();
-
- /* append property to the prop list of symbol */
- if (sym) {
- for (propp = &sym->prop; *propp; propp = &(*propp)->next)
- ;
- *propp = prop;
- }
-
- return prop;
-}
-
struct symbol *prop_get_symbol(struct property *prop)
{
if (prop->expr && (prop->expr->type == E_SYMBOL ||
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-14 05:02:02 +0000