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author | Roman Zippel <zippel@linux-m68k.org> | 2008-02-29 05:11:50 +0100 |
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committer | Sam Ravnborg <sam@uranus.ravnborg.org> | 2008-04-28 23:05:48 +0200 |
commit | 5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b (patch) | |
tree | 3e812a8027332c872f3ae3afb39212f4f9639361 /scripts/kconfig/symbol.c | |
parent | 48981178869bf7d9770f11fc361996ad11217a75 (diff) | |
download | kernel_samsung_smdk4412-5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b.zip kernel_samsung_smdk4412-5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b.tar.gz kernel_samsung_smdk4412-5a1aa8a1aff6191ecc55f21d8b5f0e47108ed91b.tar.bz2 |
kconfig: add named choice group
As choice dependency are now fully checked, it's quite easy to add support
for named choices. This lifts the restriction that a choice value can only
appear once, although it still has to be within the same group,
but multiple choices can be joined by giving them a name.
While at it I cleaned up a little the choice type logic to simplify it a
bit.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/kconfig/symbol.c')
-rw-r--r-- | scripts/kconfig/symbol.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 45f409a8..18f3e5c 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -40,7 +40,7 @@ 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) @@ -350,9 +350,6 @@ void sym_calc_value(struct symbol *sym) ; } - if (sym->flags & SYMBOL_AUTO) - sym->flags &= ~SYMBOL_WRITE; - sym->curr = newval; if (sym_is_choice(sym) && newval.tri == yes) sym->curr.val = sym_calc_choice(sym); @@ -377,6 +374,9 @@ void sym_calc_value(struct symbol *sym) sym_set_changed(choice_sym); } } + + if (sym->flags & SYMBOL_AUTO) + sym->flags &= ~SYMBOL_WRITE; } void sym_clear_all_valid(void) @@ -651,7 +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; @@ -671,11 +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 { @@ -687,8 +686,7 @@ struct symbol *sym_lookup(const char *name, int isconst) memset(symbol, 0, sizeof(*symbol)); symbol->name = new_name; symbol->type = S_UNKNOWN; - if (isconst) - symbol->flags |= SYMBOL_CONST; + symbol->flags |= flags; symbol->next = symbol_hash[hash]; symbol_hash[hash] = symbol; @@ -962,7 +960,7 @@ void prop_add_env(const char *env) } prop = prop_alloc(P_ENV, sym); - prop->expr = expr_alloc_symbol(sym_lookup(env, 1)); + 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; |