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Subject[PATCH 9/19] kconfig: allow loading multiple configurations

Extend conf_read_simple() so it can load multiple configurations.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>

---

scripts/kconfig/conf.c | 6 +-
scripts/kconfig/confdata.c | 111 ++++++++++++++++++++++++++------------------
scripts/kconfig/expr.h | 6 +-
scripts/kconfig/gconf.c | 6 --
scripts/kconfig/lkc.h | 2
scripts/kconfig/lkc_proto.h | 2
scripts/kconfig/symbol.c | 13 ++---
7 files changed, 84 insertions(+), 62 deletions(-)

Index: linux-2.6-git/scripts/kconfig/conf.c
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/conf.c
+++ linux-2.6-git/scripts/kconfig/conf.c
@@ -572,7 +572,7 @@ 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) {
@@ -583,9 +583,9 @@ 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;
Index: linux-2.6-git/scripts/kconfig/confdata.c
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/confdata.c
+++ linux-2.6-git/scripts/kconfig/confdata.c
@@ -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;
Index: linux-2.6-git/scripts/kconfig/expr.h
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/expr.h
+++ linux-2.6-git/scripts/kconfig/expr.h
@@ -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
Index: linux-2.6-git/scripts/kconfig/gconf.c
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/gconf.c
+++ linux-2.6-git/scripts/kconfig/gconf.c
@@ -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 *men

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");
Index: linux-2.6-git/scripts/kconfig/lkc.h
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/lkc.h
+++ linux-2.6-git/scripts/kconfig/lkc.h
@@ -137,7 +137,7 @@ static inline bool sym_is_optional(struc

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
Index: linux-2.6-git/scripts/kconfig/lkc_proto.h
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/lkc_proto.h
+++ linux-2.6-git/scripts/kconfig/lkc_proto.h
@@ -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));

Index: linux-2.6-git/scripts/kconfig/symbol.c
===================================================================
--- linux-2.6-git.orig/scripts/kconfig/symbol.c
+++ linux-2.6-git/scripts/kconfig/symbol.c
@@ -426,8 +426,8 @@ bool sym_set_tristate_value(struct symbo
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 symbo
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
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 *na
memset(symbol, 0, sizeof(*symbol));
symbol->name = new_name;
symbol->type = S_UNKNOWN;
- symbol->flags = SYMBOL_NEW;
if (isconst)
symbol->flags |= SYMBOL_CONST;

-
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