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kconfig: allow loading multiple configurations 

Extend conf_read_simple() so it can load multiple configurations.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Roman Zippel 2006-06-08 22:12:42 -07:00 committed by Sam Ravnborg
parent 0c1822e699
commit 669bfad906
7 changed files with 84 additions and 62 deletions
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6
scripts/kconfig/conf.c
View File

@ -573,7 +573,7 @@ int main(int ac, char **av)
case set_random:
name = getenv("KCONFIG_ALLCONFIG");
if (name && !stat(name, &tmpstat)) {
conf_read_simple(name);
conf_read_simple(name, S_DEF_USER);
break;
}
switch (input_mode) {
@ -584,9 +584,9 @@ int main(int ac, char **av)
default: break;
}
if (!stat(name, &tmpstat))
conf_read_simple(name);
conf_read_simple(name, S_DEF_USER);
else if (!stat("all.config", &tmpstat))
conf_read_simple("all.config");
conf_read_simple("all.config", S_DEF_USER);
break;
default:
break;

111
scripts/kconfig/confdata.c
View File

@ -86,13 +86,13 @@ char *conf_get_default_confname(void)
return name;
}
int conf_read_simple(const char *name)
int conf_read_simple(const char *name, int def)
{
FILE *in = NULL;
char line[1024];
char *p, *p2;
struct symbol *sym;
int i;
int i, def_flags;
if (name) {
in = zconf_fopen(name);
@ -125,20 +125,21 @@ load:
conf_warnings = 0;
conf_unsaved = 0;
def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
sym->flags |= SYMBOL_CHANGED;
sym->flags &= ~(def_flags|SYMBOL_VALID);
if (sym_is_choice(sym))
sym->flags &= ~SYMBOL_NEW;
sym->flags &= ~SYMBOL_VALID;
sym->flags |= def_flags;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
if (sym->def[S_DEF_USER].val)
free(sym->def[S_DEF_USER].val);
if (sym->def[def].val)
free(sym->def[def].val);
default:
sym->def[S_DEF_USER].val = NULL;
sym->def[S_DEF_USER].tri = no;
sym->def[def].val = NULL;
sym->def[def].tri = no;
}
}
@ -155,19 +156,26 @@ load:
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
sym = sym_find(line + 9);
if (!sym) {
conf_warning("trying to assign nonexistent symbol %s", line + 9);
break;
} else if (!(sym->flags & SYMBOL_NEW)) {
if (def == S_DEF_USER) {
sym = sym_find(line + 9);
if (!sym) {
conf_warning("trying to assign nonexistent symbol %s", line + 9);
break;
}
} else {
sym = sym_lookup(line + 9, 0);
if (sym->type == S_UNKNOWN)
sym->type = S_BOOLEAN;
}
if (sym->flags & def_flags) {
conf_warning("trying to reassign symbol %s", sym->name);
break;
}
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
sym->def[S_DEF_USER].tri = no;
sym->flags &= ~SYMBOL_NEW;
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
default:
;
@ -185,34 +193,48 @@ load:
p2 = strchr(p, '\n');
if (p2)
*p2 = 0;
sym = sym_find(line + 7);
if (!sym) {
conf_warning("trying to assign nonexistent symbol %s", line + 7);
break;
} else if (!(sym->flags & SYMBOL_NEW)) {
if (def == S_DEF_USER) {
sym = sym_find(line + 7);
if (!sym) {
conf_warning("trying to assign nonexistent symbol %s", line + 7);
break;
}
} else {
sym = sym_lookup(line + 7, 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
}
if (sym->flags & def_flags) {
conf_warning("trying to reassign symbol %s", sym->name);
break;
}
switch (sym->type) {
case S_TRISTATE:
if (p[0] == 'm') {
sym->def[S_DEF_USER].tri = mod;
sym->flags &= ~SYMBOL_NEW;
sym->def[def].tri = mod;
sym->flags |= def_flags;
break;
}
case S_BOOLEAN:
if (p[0] == 'y') {
sym->def[S_DEF_USER].tri = yes;
sym->flags &= ~SYMBOL_NEW;
sym->def[def].tri = yes;
sym->flags |= def_flags;
break;
}
if (p[0] == 'n') {
sym->def[S_DEF_USER].tri = no;
sym->flags &= ~SYMBOL_NEW;
sym->def[def].tri = no;
sym->flags |= def_flags;
break;
}
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
break;
case S_OTHER:
if (*p != '"') {
for (p2 = p; *p2 && !isspace(*p2); p2++)
;
sym->type = S_STRING;
goto done;
}
case S_STRING:
if (*p++ != '"')
break;
@ -229,9 +251,10 @@ load:
}
case S_INT:
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[S_DEF_USER].val = strdup(p);
sym->flags &= ~SYMBOL_NEW;
sym->def[def].val = strdup(p);
sym->flags |= def_flags;
} else {
conf_warning("symbol value '%s' invalid for %s", p, sym->name);
continue;
@ -249,24 +272,24 @@ load:
}
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[S_DEF_USER].tri) {
switch (sym->def[def].tri) {
case no:
break;
case mod:
if (cs->def[S_DEF_USER].tri == yes) {
if (cs->def[def].tri == yes) {
conf_warning("%s creates inconsistent choice state", sym->name);
cs->flags |= SYMBOL_NEW;
cs->flags &= ~def_flags;
}
break;
case yes:
if (cs->def[S_DEF_USER].tri != no) {
if (cs->def[def].tri != no) {
conf_warning("%s creates inconsistent choice state", sym->name);
cs->flags |= SYMBOL_NEW;
cs->flags &= ~def_flags;
} else
cs->def[S_DEF_USER].val = sym;
cs->def[def].val = sym;
break;
}
cs->def[S_DEF_USER].tri = E_OR(cs->def[S_DEF_USER].tri, sym->def[S_DEF_USER].tri);
cs->def[def].tri = E_OR(cs->def[def].tri, sym->def[def].tri);
}
}
fclose(in);
@ -281,11 +304,11 @@ int conf_read(const char *name)
struct symbol *sym;
struct property *prop;
struct expr *e;
int i;
int i, flags;
sym_change_count = 0;
if (conf_read_simple(name))
if (conf_read_simple(name, S_DEF_USER))
return 1;
for_all_symbols(i, sym) {
@ -314,15 +337,13 @@ int conf_read(const char *name)
sym_ok:
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
if (sym->visible == no)
sym->flags |= SYMBOL_NEW;
sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
if (!sym_string_within_range(sym, sym->def[S_DEF_USER].val)) {
sym->flags |= SYMBOL_NEW;
sym->flags &= ~SYMBOL_VALID;
}
if (!sym_string_within_range(sym, sym->def[S_DEF_USER].val))
sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
default:
break;
}
@ -330,9 +351,11 @@ int conf_read(const char *name)
if (!sym_is_choice(sym))
continue;
prop = sym_get_choice_prop(sym);
flags = sym->flags;
for (e = prop->expr; e; e = e->left.expr)
if (e->right.sym->visible != no)
sym->flags |= e->right.sym->flags & SYMBOL_NEW;
flags &= e->right.sym->flags;
sym->flags |= flags & SYMBOL_DEF_USER;
}
sym_change_count += conf_warnings || conf_unsaved;

6
scripts/kconfig/expr.h
View File

@ -92,10 +92,14 @@ struct symbol {
#define SYMBOL_OPTIONAL 0x0100
#define SYMBOL_WRITE 0x0200
#define SYMBOL_CHANGED 0x0400
#define SYMBOL_NEW 0x0800
#define SYMBOL_AUTO 0x1000
#define SYMBOL_CHECKED 0x2000
#define SYMBOL_WARNED 0x8000
#define SYMBOL_DEF 0x10000
#define SYMBOL_DEF_USER 0x10000
#define SYMBOL_DEF2 0x20000
#define SYMBOL_DEF3 0x40000
#define SYMBOL_DEF4 0x80000
#define SYMBOL_MAXLENGTH 256
#define SYMBOL_HASHSIZE 257

6
scripts/kconfig/gconf.c
View File

@ -132,8 +132,6 @@ const char *dbg_print_flags(int val)
strcat(buf, "write/");
if (val & SYMBOL_CHANGED)
strcat(buf, "changed/");
if (val & SYMBOL_NEW)
strcat(buf, "new/");
if (val & SYMBOL_AUTO)
strcat(buf, "auto/");
@ -1186,9 +1184,7 @@ static gchar **fill_row(struct menu *menu)
row[COL_OPTION] =
g_strdup_printf("%s %s", menu_get_prompt(menu),
sym ? (sym->
flags & SYMBOL_NEW ? "(NEW)" : "") :
"");
sym && sym_has_value(sym) ? "(NEW)" : "");
if (show_all && !menu_is_visible(menu))
row[COL_COLOR] = g_strdup("DarkGray");

2
scripts/kconfig/lkc.h
View File

@ -137,7 +137,7 @@ static inline bool sym_is_optional(struct symbol *sym)
static inline bool sym_has_value(struct symbol *sym)
{
return sym->flags & SYMBOL_NEW ? false : true;
return sym->flags & SYMBOL_DEF_USER ? true : false;
}
#ifdef __cplusplus

2
scripts/kconfig/lkc_proto.h
View File

@ -2,7 +2,7 @@
/* confdata.c */
P(conf_parse,void,(const char *name));
P(conf_read,int,(const char *name));
P(conf_read_simple,int,(const char *name));
P(conf_read_simple,int,(const char *name, int));
P(conf_write,int,(const char *name));
P(conf_write_autoconf,int,(void));

13
scripts/kconfig/symbol.c
View File

@ -426,8 +426,8 @@ 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);
}
/*
@ -440,11 +440,11 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val)
struct expr *e;
cs->def[S_DEF_USER].val = sym;
cs->flags &= ~SYMBOL_NEW;
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_NEW;
e->right.sym->flags |= SYMBOL_DEF_USER;
}
}
@ -591,8 +591,8 @@ 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);
}
@ -679,7 +679,6 @@ 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;