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Merge pull request #1430 from cpackham/kconfig-update

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Kconfig update
This commit is contained in:
Chris Packham 2021-02-08 20:49:36 +13:00 committed by GitHub
commit 5b0e0127e1
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GPG Key ID: 4AEE18F83AFDEB23
38 changed files with 2667 additions and 1974 deletions
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2
bootstrap
View File

@ -596,6 +596,8 @@ enter_fork()
info[repository_url]=${info[repository]#* }
fi
info[mirrors]=${info[mirrors]//$\(/\\$\(}
versions=`cd packages/${fork} && \
for f in */version.desc; do [ -r "${f}" ] && echo "${f%/version.desc}"; done`
versions=`sort_versions ${versions}`

6
config/cc/gcc.in
View File

@ -382,7 +382,7 @@ choice CC_GCC_DEC_FLOATS_CHOICE
The default is to let ./configure decide.
config CC_GCC_DEC_FLOAT_AUTO
config CC_GCC_DEC_FLOATS_AUTO
bool "auto"
help
Let ./configure decide. If you say 'y' here, gcc will default to:
@ -390,12 +390,12 @@ config CC_GCC_DEC_FLOAT_AUTO
- 'dpd' for powerpc
- 'no' for the other architectures
config CC_GCC_DEC_FLOAT_BID
config CC_GCC_DEC_FLOATS_BID
bool "bid"
help
Use the 'binary integer decimal' format for decimal floats.
config CC_GCC_DEC_FLOAT_DPD
config CC_GCC_DEC_FLOATS_DPD
bool "dpd"
help
Use the 'densely packed decimal' for decimal floats.

2
config/config.in
View File

@ -1,4 +1,4 @@
mainmenu "crosstool-NG $CT_VERSION Configuration"
mainmenu "crosstool-NG $(CT_VERSION) Configuration"
source "config/configure.in"
source "config/global.in"
source "config/target.in"

6
config/global.in
View File

@ -2,7 +2,7 @@
config VERSION
string
option env="CT_VERSION"
default "$(CT_VERSION)"
# Config version checking framework. If CONFIG_VERSION is unset in the current .config
# or defconfig, it is loaded as 0 (possibly triggering a user prompt during 'ct-ng oldconfig').
@ -16,13 +16,13 @@ config VERSION
# i.e. 'ct-ng saveconfig' or 'ct-ng savedefconfig'.
config VCHECK
string
option env="CT_VCHECK"
default "$(CT_VCHECK)"
# Kconfig's idiosynchrasy: it does not output the config settings declared with 'option env'
# to the generated .config file. Must use one extra level of indirection.
config CONFIG_VERSION_ENV
string
option env="CT_CONFIG_VERSION_CURRENT"
default "$(CT_CONFIG_VERSION_CURRENT)"
# Up-to-date version of the configuration file. If saving a defconfig, choose a default that
# is guaranteed not to match - so that kconfig saves the value to .config.

1
configure.ac
View File

@ -18,6 +18,7 @@ AC_CONFIG_MACRO_DIR([m4])
# - Object files are generated in a subdirectory (new default in automake)
# - Request new tar format (old, tar-v7, breaks on long paths we have)
AM_INIT_AUTOMAKE([-Wall -Werror foreign no-dist-gzip dist-xz dist-bzip2 subdir-objects tar-pax])
AM_SILENT_RULES([yes])
# To avoid stubbing autotools with missing script
AM_MAINTAINER_MODE([enable])

19
kconfig/.gitignore vendored
View File

@ -1,9 +1,14 @@
conf
?conf
*.o
# SPDX-License-Identifier: GPL-2.0-only
#
# Generated files
#
.deps
zconf.c
zconf.lex.c
*.exe
Makefile
.dirstamp
#
# configuration programs
#
conf
mconf
nconf

23
kconfig/Makefile.am
View File

@ -5,26 +5,27 @@ transform = s,x,x,
pkglibexec_PROGRAMS = conf nconf mconf
EXTRA_DIST = zconf.y zconf.l \
EXTRA_DIST = parser.y lexer.l \
expr.h list.h lkc.h lkc_proto.h nconf.h lxdialog/dialog.h \
confdata.c expr.c kconf_id.c menu.c symbol.c util.c
CLEANFILES = zconf.lex.c zconf.c
BUILT_SOURCES = zconf.c zconf.lex.c
CLEANFILES = lexer.lex.c parser.tab.c parser.tab.h
BUILT_SOURCES = lexer.lex.c parser.tab.c
AM_LFLAGS = -L -Pzconf
AM_YFLAGS = -l -b zconf -p zconf
AM_LFLAGS = -L
AM_YFLAGS = -t -l
AM_CPPFLAGS = -include config.h -DCONFIG_=\"CT_\"
AM_LIBTOOLFLAGS = --tag CC
conf_SOURCES = conf.c zconf.c
conf_SOURCES = conf.c confdata.c expr.c symbol.c preprocess.c util.c lexer.lex.c parser.tab.c
conf_LDADD = $(LIBINTL)
nconf_SOURCES = nconf.c nconf.gui.c zconf.c
nconf_SOURCES = nconf.c nconf.gui.c confdata.c expr.c symbol.c preprocess.c util.c lexer.lex.c parser.tab.c
nconf_CFLAGS = $(CURSES_CFLAGS)
nconf_LDADD = $(MENU_LIBS) $(PANEL_LIBS) $(CURSES_LIBS) $(LIBINTL)
mconf_SOURCES = mconf.c zconf.c lxdialog/checklist.c lxdialog/inputbox.c \
mconf_SOURCES = mconf.c confdata.c expr.c symbol.c preprocess.c util.c lexer.lex.c parser.tab.c \
lxdialog/checklist.c lxdialog/inputbox.c \
lxdialog/menubox.c lxdialog/textbox.c lxdialog/util.c \
lxdialog/yesno.c
mconf_LDADD = $(CURSES_LIBS) $(LIBINTL)
@ -42,8 +43,8 @@ AM_V_LEX = $(am__v_LEX_@AM_V@)
am__v_LEX_ = $(am__v_LEX_@AM_DEFAULT_V@)
am__v_LEX_0 = @echo " LEX " $@;
zconf.c: zconf.y
$(AM_V_YACC)$(YACCCOMPILE) -o$@ $<
parser.tab.c: parser.y
$(AM_V_YACC)$(YACCCOMPILE) -o$@ --defines=parser.tab.h $<
zconf.lex.c: zconf.l
lexer.lex.c: lexer.l
$(AM_V_LEX)$(LEXCOMPILE) -o$@ $<

14
kconfig/check.sh
View File

@ -1,14 +0,0 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Needed for systems without gettext
$* -x c -o /dev/null - > /dev/null 2>&1 << EOF
#include <libintl.h>
int main()
{
gettext("");
return 0;
}
EOF
if [ ! "$?" -eq "0" ]; then
echo -DKBUILD_NO_NLS;
fi

247
kconfig/conf.c
View File

@ -1,9 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <locale.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
@ -20,11 +19,10 @@
static void conf(struct menu *menu);
static void check_conf(struct menu *menu);
static void xfgets(char *str, int size, FILE *in);
enum input_mode {
oldaskconfig,
silentoldconfig,
syncconfig,
oldconfig,
allnoconfig,
allyesconfig,
@ -34,12 +32,15 @@ enum input_mode {
defconfig,
savedefconfig,
listnewconfig,
helpnewconfig,
olddefconfig,
} input_mode = oldaskconfig;
yes2modconfig,
mod2yesconfig,
};
static enum input_mode input_mode = oldaskconfig;
static int indent = 1;
static int tty_stdio;
static int valid_stdin = 1;
static int sync_kconfig;
static int conf_cnt;
static char line[PATH_MAX];
@ -72,14 +73,14 @@ static void strip(char *str)
*p-- = 0;
}
static void check_stdin(void)
/* Helper function to facilitate fgets() by Jean Sacren. */
static void xfgets(char *str, int size, FILE *in)
{
if (!valid_stdin) {
/* For crosstool-NG, we don't care if stdin/stdout got redirected.
* In this case, just printf a cariage return, for pretty output.
*/
printf("\n");
}
if (!fgets(str, size, in))
fprintf(stderr, "\nError in reading or end of file.\n");
if (!tty_stdio)
printf("%s", str);
}
static int conf_askvalue(struct symbol *sym, const char *def)
@ -87,12 +88,12 @@ static int conf_askvalue(struct symbol *sym, const char *def)
enum symbol_type type = sym_get_type(sym);
if (!sym_has_value(sym))
printf(_("(NEW) "));
printf("(NEW) ");
line[0] = '\n';
line[1] = 0;
if (!sym_is_changable(sym)) {
if (!sym_is_changeable(sym)) {
printf("%s\n", def);
line[0] = '\n';
line[1] = 0;
@ -101,18 +102,15 @@ static int conf_askvalue(struct symbol *sym, const char *def)
switch (input_mode) {
case oldconfig:
case silentoldconfig:
case syncconfig:
if (sym_has_value(sym)) {
printf("%s\n", def);
return 0;
}
check_stdin();
/* fall through */
case oldaskconfig:
fflush(stdout);
xfgets(line, sizeof(line), stdin);
if (!tty_stdio)
printf("\n");
return 1;
default:
break;
@ -137,7 +135,7 @@ static int conf_string(struct menu *menu)
const char *def;
while (1) {
printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
printf("%*s%s ", indent - 1, "", menu->prompt->text);
printf("(%s) ", sym->name);
def = sym_get_string_value(sym);
if (sym_get_string_value(sym))
@ -170,7 +168,7 @@ static int conf_sym(struct menu *menu)
tristate oldval, newval;
while (1) {
printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
printf("%*s%s ", indent - 1, "", menu->prompt->text);
if (sym->name)
printf("(%s) ", sym->name);
putchar('[');
@ -192,9 +190,7 @@ static int conf_sym(struct menu *menu)
printf("/m");
if (oldval != yes && sym_tristate_within_range(sym, yes))
printf("/y");
if (menu_has_help(menu))
printf("/?");
printf("] ");
printf("/?] ");
if (!conf_askvalue(sym, sym_get_string_value(sym)))
return 0;
strip(line);
@ -241,7 +237,7 @@ static int conf_choice(struct menu *menu)
sym = menu->sym;
is_new = !sym_has_value(sym);
if (sym_is_changable(sym)) {
if (sym_is_changeable(sym)) {
conf_sym(menu);
sym_calc_value(sym);
switch (sym_get_tristate_value(sym)) {
@ -257,7 +253,7 @@ static int conf_choice(struct menu *menu)
case no:
return 1;
case mod:
printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
return 0;
case yes:
break;
@ -267,7 +263,7 @@ static int conf_choice(struct menu *menu)
while (1) {
int cnt, def;
printf("%*s%s\n", indent - 1, "", _(menu_get_prompt(menu)));
printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
def_sym = sym_get_choice_value(sym);
cnt = def = 0;
line[0] = 0;
@ -275,7 +271,7 @@ static int conf_choice(struct menu *menu)
if (!menu_is_visible(child))
continue;
if (!child->sym) {
printf("%*c %s\n", indent, '*', _(menu_get_prompt(child)));
printf("%*c %s\n", indent, '*', menu_get_prompt(child));
continue;
}
cnt++;
@ -284,31 +280,27 @@ static int conf_choice(struct menu *menu)
printf("%*c", indent, '>');
} else
printf("%*c", indent, ' ');
printf(" %d. %s", cnt, _(menu_get_prompt(child)));
printf(" %d. %s", cnt, menu_get_prompt(child));
if (child->sym->name)
printf(" (%s)", child->sym->name);
if (!sym_has_value(child->sym))
printf(_(" (NEW)"));
printf(" (NEW)");
printf("\n");
}
printf(_("%*schoice"), indent - 1, "");
printf("%*schoice", indent - 1, "");
if (cnt == 1) {
printf("[1]: 1\n");
goto conf_childs;
}
printf("[1-%d", cnt);
if (menu_has_help(menu))
printf("?");
printf("]: ");
printf("[1-%d?]: ", cnt);
switch (input_mode) {
case oldconfig:
case silentoldconfig:
case syncconfig:
if (!is_new) {
cnt = def;
printf("%d\n", cnt);
break;
}
check_stdin();
/* fall through */
case oldaskconfig:
fflush(stdout);
@ -368,10 +360,11 @@ static void conf(struct menu *menu)
switch (prop->type) {
case P_MENU:
if ((input_mode == silentoldconfig ||
input_mode == listnewconfig ||
input_mode == olddefconfig) &&
rootEntry != menu) {
/*
* Except in oldaskconfig mode, we show only menus that
* contain new symbols.
*/
if (input_mode != oldaskconfig && rootEntry != menu) {
check_conf(menu);
return;
}
@ -381,7 +374,7 @@ static void conf(struct menu *menu)
if (prompt)
printf("%*c\n%*c %s\n%*c\n",
indent, '*',
indent, '*', _(prompt),
indent, '*', prompt,
indent, '*');
default:
;
@ -428,15 +421,30 @@ static void check_conf(struct menu *menu)
sym = menu->sym;
if (sym && !sym_has_value(sym)) {
if (sym_is_changable(sym) ||
if (sym_is_changeable(sym) ||
(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
if (input_mode == listnewconfig) {
if (sym->name && !sym_is_choice_value(sym)) {
printf("%s%s\n", CONFIG_, sym->name);
if (sym->name) {
const char *str;
if (sym->type == S_STRING) {
str = sym_get_string_value(sym);
str = sym_escape_string_value(str);
printf("%s%s=%s\n", CONFIG_, sym->name, str);
free((void *)str);
} else {
str = sym_get_string_value(sym);
printf("%s%s=%s\n", CONFIG_, sym->name, str);
}
}
} else if (input_mode != olddefconfig) {
} else if (input_mode == helpnewconfig) {
printf("-----\n");
print_help(menu);
printf("-----\n");
} else {
if (!conf_cnt++)
printf(_("*\n* Restart config...\n*\n"));
printf("*\n* Restart config...\n*\n");
rootEntry = menu_get_parent_menu(menu);
conf(rootEntry);
}
@ -450,8 +458,8 @@ static void check_conf(struct menu *menu)
static struct option long_opts[] = {
{"oldaskconfig", no_argument, NULL, oldaskconfig},
{"oldconfig", no_argument, NULL, oldconfig},
{"silentoldconfig", no_argument, NULL, silentoldconfig},
{"defconfig", optional_argument, NULL, defconfig},
{"syncconfig", no_argument, NULL, syncconfig},
{"defconfig", required_argument, NULL, defconfig},
{"savedefconfig", required_argument, NULL, savedefconfig},
{"allnoconfig", no_argument, NULL, allnoconfig},
{"allyesconfig", no_argument, NULL, allyesconfig},
@ -459,13 +467,10 @@ static struct option long_opts[] = {
{"alldefconfig", no_argument, NULL, alldefconfig},
{"randconfig", no_argument, NULL, randconfig},
{"listnewconfig", no_argument, NULL, listnewconfig},
{"helpnewconfig", no_argument, NULL, helpnewconfig},
{"olddefconfig", no_argument, NULL, olddefconfig},
/*
* oldnoconfig is an alias of olddefconfig, because people already
* are dependent on its behavior(sets new symbols to their default
* value but not 'n') with the counter-intuitive name.
*/
{"oldnoconfig", no_argument, NULL, olddefconfig},
{"yes2modconfig", no_argument, NULL, yes2modconfig},
{"mod2yesconfig", no_argument, NULL, mod2yesconfig},
{NULL, 0, NULL, 0}
};
@ -474,13 +479,9 @@ int main(int ac, char **av)
const char *progname = av[0];
int opt;
const char *name, *defconfig_file = NULL /* gcc uninit */;
struct stat tmpstat;
int no_conf_write = 0;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
tty_stdio = isatty(0) && isatty(1) && isatty(2);
tty_stdio = isatty(0) && isatty(1);
while ((opt = getopt_long(ac, av, "s", long_opts, NULL)) != -1) {
if (opt == 's') {
@ -489,7 +490,12 @@ int main(int ac, char **av)
}
input_mode = (enum input_mode)opt;
switch (opt) {
case silentoldconfig:
case syncconfig:
/*
* syncconfig is invoked during the build stage.
* Suppress distracting "configuration written to ..."
*/
conf_set_message_callback(NULL);
sync_kconfig = 1;
break;
case defconfig:
@ -528,52 +534,46 @@ int main(int ac, char **av)
case allmodconfig:
case alldefconfig:
case listnewconfig:
case helpnewconfig:
case olddefconfig:
case yes2modconfig:
case mod2yesconfig:
break;
case '?':
fprintf(stderr, _("See README for usage info\n"));
fprintf(stderr, "See README for usage info\n");
exit(1);
break;
}
}
if (ac == optind) {
printf(_("%s: Kconfig file missing\n"), av[0]);
fprintf(stderr, _("See README for usage info\n"));
fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
fprintf(stderr, "See README for usage info\n");
exit(1);
}
name = av[optind];
conf_parse(name);
//zconfdump(stdout);
if (sync_kconfig) {
name = conf_get_configname();
if (stat(name, &tmpstat)) {
fprintf(stderr, _("***\n"
"*** Configuration file \"%s\" not found!\n"
"***\n"
"*** Please configure with \"menuconfig\", or use a\n"
"*** pre-existing sample (see list with \"list-samples\").\n"
"***\n"), name);
exit(1);
}
}
switch (input_mode) {
case defconfig:
if (!defconfig_file)
defconfig_file = conf_get_default_confname();
if (conf_read(defconfig_file)) {
printf(_("***\n"
"*** Can't find default configuration \"%s\"!\n"
"***\n"), defconfig_file);
fprintf(stderr,
"***\n"
"*** Can't find default configuration \"%s\"!\n"
"***\n",
defconfig_file);
exit(1);
}
break;
case savedefconfig:
case silentoldconfig:
case syncconfig:
case oldaskconfig:
case oldconfig:
case listnewconfig:
case helpnewconfig:
case olddefconfig:
case yes2modconfig:
case mod2yesconfig:
conf_read(NULL);
break;
case allnoconfig:
@ -587,7 +587,7 @@ int main(int ac, char **av)
if ((strcmp(name, "") != 0) && (strcmp(name, "1") != 0)) {
if (conf_read_simple(name, S_DEF_USER)) {
fprintf(stderr,
_("*** Can't read seed configuration \"%s\"!\n"),
"*** Can't read seed configuration \"%s\"!\n",
name);
exit(1);
}
@ -604,7 +604,7 @@ int main(int ac, char **av)
if (conf_read_simple(name, S_DEF_USER) &&
conf_read_simple("all.config", S_DEF_USER)) {
fprintf(stderr,
_("*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n"),
"*** KCONFIG_ALLCONFIG set, but no \"%s\" or \"all.config\" file found\n",
name);
exit(1);
}
@ -614,15 +614,15 @@ int main(int ac, char **av)
}
if (sync_kconfig) {
if (conf_get_changed()) {
name = getenv("KCONFIG_NOSILENTUPDATE");
if (name && *name) {
name = getenv("KCONFIG_NOSILENTUPDATE");
if (name && *name) {
if (conf_get_changed()) {
fprintf(stderr,
_("\n*** The configuration requires explicit update.\n\n"));
"\n*** The configuration requires explicit update.\n\n");
return 1;
}
no_conf_write = 1;
}
valid_stdin = tty_stdio;
}
switch (input_mode) {
@ -647,58 +647,59 @@ int main(int ac, char **av)
break;
case savedefconfig:
break;
case yes2modconfig:
conf_rewrite_mod_or_yes(def_y2m);
break;
case mod2yesconfig:
conf_rewrite_mod_or_yes(def_m2y);
break;
case oldaskconfig:
rootEntry = &rootmenu;
conf(&rootmenu);
input_mode = silentoldconfig;
input_mode = oldconfig;
/* fall through */
case oldconfig:
case listnewconfig:
case olddefconfig:
case silentoldconfig:
case helpnewconfig:
case syncconfig:
/* Update until a loop caused no more changes */
do {
conf_cnt = 0;
check_conf(&rootmenu);
} while (conf_cnt &&
(input_mode != listnewconfig &&
input_mode != olddefconfig));
} while (conf_cnt);
break;
case olddefconfig:
default:
break;
}
if (sync_kconfig) {
/* silentoldconfig is used during the build so we shall update autoconf.
* All other commands are only used to generate a config.
*/
if (conf_get_changed() && conf_write(NULL)) {
fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
exit(1);
}
/* In crosstool-NG, we do not use the autoconf stuff
if (conf_write_autoconf()) {
fprintf(stderr, _("\n*** Error during update of the configuration.\n\n"));
return 1;
} */
} else if (input_mode == savedefconfig) {
if (input_mode == savedefconfig) {
if (conf_write_defconfig(defconfig_file)) {
fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
defconfig_file);
return 1;
}
} else if (input_mode != listnewconfig) {
if (conf_write(NULL)) {
fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
} else if (input_mode != listnewconfig && input_mode != helpnewconfig) {
if (!no_conf_write && conf_write(NULL)) {
fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
exit(1);
}
/*
* Create auto.conf if it does not exist.
* This prevents GNU Make 4.1 or older from emitting
* "include/config/auto.conf: No such file or directory"
* in the top-level Makefile
*
* syncconfig always creates or updates auto.conf because it is
* used during the build.
*/
/* In crosstool-NG, we do not use the autoconf stuff
if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
fprintf(stderr,
"\n*** Error during sync of the configuration.\n\n");
return 1;
}*/
}
return 0;
}
/*
* Helper function to facilitate fgets() by Jean Sacren.
*/
void xfgets(char *str, int size, FILE *in)
{
if (fgets(str, size, in) == NULL)
fprintf(stderr, "\nError in reading or end of file.\n");
}

527
kconfig/confdata.c
View File

@ -1,12 +1,14 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <sys/mman.h>
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
@ -16,6 +18,151 @@
#include "lkc.h"
/* return true if 'path' exists, false otherwise */
static bool is_present(const char *path)
{
struct stat st;
return !stat(path, &st);
}
/* return true if 'path' exists and it is a directory, false otherwise */
static bool is_dir(const char *path)
{
struct stat st;
if (stat(path, &st))
return 0;
return S_ISDIR(st.st_mode);
}
/* return true if the given two files are the same, false otherwise */
static bool is_same(const char *file1, const char *file2)
{
int fd1, fd2;
struct stat st1, st2;
void *map1, *map2;
bool ret = false;
fd1 = open(file1, O_RDONLY);
if (fd1 < 0)
return ret;
fd2 = open(file2, O_RDONLY);
if (fd2 < 0)
goto close1;
ret = fstat(fd1, &st1);
if (ret)
goto close2;
ret = fstat(fd2, &st2);
if (ret)
goto close2;
if (st1.st_size != st2.st_size)
goto close2;
map1 = mmap(NULL, st1.st_size, PROT_READ, MAP_PRIVATE, fd1, 0);
if (map1 == MAP_FAILED)
goto close2;
map2 = mmap(NULL, st2.st_size, PROT_READ, MAP_PRIVATE, fd2, 0);
if (map2 == MAP_FAILED)
goto close2;
if (bcmp(map1, map2, st1.st_size))
goto close2;
ret = true;
close2:
close(fd2);
close1:
close(fd1);
return ret;
}
/*
* Create the parent directory of the given path.
*
* For example, if 'include/config/auto.conf' is given, create 'include/config'.
*/
static int make_parent_dir(const char *path)
{
char tmp[PATH_MAX + 1];
char *p;
strncpy(tmp, path, sizeof(tmp));
tmp[sizeof(tmp) - 1] = 0;
/* Remove the base name. Just return if nothing is left */
p = strrchr(tmp, '/');
if (!p)
return 0;
*(p + 1) = 0;
/* Just in case it is an absolute path */
p = tmp;
while (*p == '/')
p++;
while ((p = strchr(p, '/'))) {
*p = 0;
/* skip if the directory exists */
if (!is_dir(tmp) && mkdir(tmp, 0755))
return -1;
*p = '/';
while (*p == '/')
p++;
}
return 0;
}
static char depfile_path[PATH_MAX];
static size_t depfile_prefix_len;
/* touch depfile for symbol 'name' */
static int conf_touch_dep(const char *name)
{
int fd, ret;
const char *s;
char *d, c;
/* check overflow: prefix + name + ".h" + '\0' must fit in buffer. */
if (depfile_prefix_len + strlen(name) + 3 > sizeof(depfile_path))
return -1;
d = depfile_path + depfile_prefix_len;
s = name;
while ((c = *s++))
*d++ = (c == '_') ? '/' : tolower(c);
strcpy(d, ".h");
/* Assume directory path already exists. */
fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
if (errno != ENOENT)
return -1;
ret = make_parent_dir(depfile_path);
if (ret)
return ret;
/* Try it again. */
fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1)
return -1;
}
close(fd);
return 0;
}
struct conf_printer {
void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
void (*print_comment)(FILE *, const char *, void *);
@ -28,9 +175,7 @@ static void conf_message(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
static const char *conf_filename;
static int conf_lineno, conf_warnings, conf_unsaved;
const char conf_defname[] = "arch/$ARCH/defconfig";
static int conf_lineno, conf_warnings;
static void conf_warning(const char *fmt, ...)
{
@ -43,16 +188,16 @@ static void conf_warning(const char *fmt, ...)
conf_warnings++;
}
static void conf_default_message_callback(const char *fmt, va_list ap)
static void conf_default_message_callback(const char *s)
{
printf("#\n# ");
vprintf(fmt, ap);
printf("%s", s);
printf("\n#\n");
}
static void (*conf_message_callback) (const char *fmt, va_list ap) =
static void (*conf_message_callback)(const char *s) =
conf_default_message_callback;
void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
void conf_set_message_callback(void (*fn)(const char *s))
{
conf_message_callback = fn;
}
@ -60,10 +205,15 @@ void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
static void conf_message(const char *fmt, ...)
{
va_list ap;
char buf[4096];
if (!conf_message_callback)
return;
va_start(ap, fmt);
if (conf_message_callback)
conf_message_callback(fmt, ap);
vsnprintf(buf, sizeof(buf), fmt, ap);
conf_message_callback(buf);
va_end(ap);
}
@ -74,55 +224,13 @@ const char *conf_get_configname(void)
return name ? name : ".config";
}
const char *conf_get_autoconfig_name(void)
static const char *conf_get_autoconfig_name(void)
{
char *name = getenv("KCONFIG_AUTOCONFIG");
return name ? name : "include/config/auto.conf";
}
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
const char *src;
static char res_value[SYMBOL_MAXLENGTH];
char *dst, name[SYMBOL_MAXLENGTH];
res_value[0] = 0;
dst = name;
while ((src = strchr(in, '$'))) {
strncat(res_value, in, src - in);
src++;
dst = name;
while (isalnum(*src) || *src == '_')
*dst++ = *src++;
*dst = 0;
sym = sym_lookup(name, 0);
sym_calc_value(sym);
strcat(res_value, sym_get_string_value(sym));
in = src;
}
strcat(res_value, in);
return res_value;
}
char *conf_get_default_confname(void)
{
struct stat buf;
static char fullname[PATH_MAX+1];
char *env, *name;
name = conf_expand_value(conf_defname);
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
if (!stat(fullname, &buf))
return fullname;
}
return name;
}
static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
{
char *p2;
@ -150,14 +258,6 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
conf_warning("symbol value '%s' invalid for %s",
p, sym->name);
return 1;
case S_OTHER:
if (*p != '"') {
for (p2 = p; *p2 && !isspace(*p2); p2++)
;
sym->type = S_STRING;
goto done;
}
/* fall through */
case S_STRING:
if (*p++ != '"')
break;
@ -176,9 +276,8 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
/* fall through */
case S_INT:
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[def].val = strdup(p);
sym->def[def].val = xstrdup(p);
sym->flags |= def_flags;
} else {
if (def != S_DEF_AUTO)
@ -201,7 +300,7 @@ static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
if (new_size > *n) {
new_size += LINE_GROWTH - 1;
new_size *= 2;
nline = realloc(*lineptr, new_size);
nline = xrealloc(*lineptr, new_size);
if (!nline)
return -1;
@ -274,10 +373,11 @@ int conf_read_simple(const char *name, int def)
if (expr_calc_value(prop->visible.expr) == no ||
prop->expr->type != E_SYMBOL)
continue;
name = conf_expand_value(prop->expr->left.sym->name);
sym_calc_value(prop->expr->left.sym);
name = sym_get_string_value(prop->expr->left.sym);
in = zconf_fopen(name);
if (in) {
conf_message(_("using defaults found in %s"),
conf_message("using defaults found in %s",
name);
goto load;
}
@ -290,7 +390,6 @@ load:
conf_filename = name;
conf_lineno = 0;
conf_warnings = 0;
conf_unsaved = 0;
def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
@ -327,7 +426,7 @@ load:
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
goto setsym;
continue;
}
} else {
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
@ -357,17 +456,22 @@ load:
if (*p2 == '\r')
*p2 = 0;
}
if (def == S_DEF_USER) {
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
if (def == S_DEF_AUTO)
/*
* Reading from include/config/auto.conf
* If CONFIG_FOO previously existed in
* auto.conf but it is missing now,
* include/config/foo.h must be touched.
*/
conf_touch_dep(line + strlen(CONFIG_));
else
sym_add_change_count(1);
goto setsym;
}
} else {
sym = sym_lookup(line + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
continue;
}
if (sym->flags & def_flags) {
conf_warning("override: reassigning to symbol %s", sym->name);
}
@ -380,7 +484,7 @@ load:
continue;
}
setsym:
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
switch (sym->def[def].tri) {
@ -409,6 +513,7 @@ setsym:
int conf_read(const char *name)
{
struct symbol *sym;
int conf_unsaved = 0;
int i;
sym_set_change_count(0);
@ -422,18 +527,16 @@ int conf_read(const char *name)
for_all_symbols(i, sym) {
sym_calc_value(sym);
if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
if (sym_is_choice(sym) || (sym->flags & SYMBOL_NO_WRITE))
continue;
if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
/* check that calculated value agrees with saved value */
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
break;
if (!sym_is_choice(sym))
if (sym->def[S_DEF_USER].tri == sym_get_tristate_value(sym))
continue;
/* fall through */
break;
default:
if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
continue;
@ -607,32 +710,12 @@ static struct conf_printer header_printer_cb =
.print_comment = header_print_comment,
};
/*
* Tristate printer
*
* This printer is used when generating the `include/config/tristate.conf' file.
*/
static void
tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
{
if (sym->type == S_TRISTATE && *value != 'n')
fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value));
}
static struct conf_printer tristate_printer_cb =
{
.print_symbol = tristate_print_symbol,
.print_comment = kconfig_print_comment,
};
static void conf_write_symbol(FILE *fp, struct symbol *sym,
struct conf_printer *printer, void *printer_arg)
{
const char *str;
switch (sym->type) {
case S_OTHER:
case S_UNKNOWN:
break;
case S_STRING:
@ -692,7 +775,7 @@ int conf_write_defconfig(const char *filename)
goto next_menu;
sym->flags &= ~SYMBOL_WRITE;
/* If we cannot change the symbol - skip */
if (!sym_is_changable(sym))
if (!sym_is_changeable(sym))
goto next_menu;
/* If symbol equals to default value - skip */
if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
@ -743,41 +826,36 @@ int conf_write(const char *name)
FILE *out;
struct symbol *sym;
struct menu *menu;
const char *basename;
const char *str;
char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
char tmpname[PATH_MAX + 1], oldname[PATH_MAX + 1];
char *env;
int i;
bool need_newline = false;
dirname[0] = 0;
if (name && name[0]) {
struct stat st;
char *slash;
if (!name)
name = conf_get_configname();
if (!stat(name, &st) && S_ISDIR(st.st_mode)) {
strcpy(dirname, name);
strcat(dirname, "/");
basename = conf_get_configname();
} else if ((slash = strrchr(name, '/'))) {
int size = slash - name + 1;
memcpy(dirname, name, size);
dirname[size] = 0;
if (slash[1])
basename = slash + 1;
else
basename = conf_get_configname();
} else
basename = name;
} else
basename = conf_get_configname();
if (!*name) {
fprintf(stderr, "config name is empty\n");
return -1;
}
if (is_dir(name)) {
fprintf(stderr, "%s: Is a directory\n", name);
return -1;
}
if (make_parent_dir(name))
return -1;
sprintf(newname, "%s%s", dirname, basename);
env = getenv("KCONFIG_OVERWRITECONFIG");
if (!env || !*env) {
sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
out = fopen(tmpname, "w");
} else {
if (env && *env) {
*tmpname = 0;
out = fopen(newname, "w");
out = fopen(name, "w");
} else {
snprintf(tmpname, sizeof(tmpname), "%s.%d.tmp",
name, (int)getpid());
out = fopen(tmpname, "w");
}
if (!out)
return 1;
@ -798,12 +876,17 @@ int conf_write(const char *name)
"#\n"
"# %s\n"
"#\n", str);
} else if (!(sym->flags & SYMBOL_CHOICE)) {
need_newline = false;
} else if (!(sym->flags & SYMBOL_CHOICE) &&
!(sym->flags & SYMBOL_WRITTEN)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
goto next;
sym->flags &= ~SYMBOL_WRITE;
if (need_newline) {
fprintf(out, "\n");
need_newline = false;
}
sym->flags |= SYMBOL_WRITTEN;
conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
}
@ -815,6 +898,12 @@ next:
if (menu->next)
menu = menu->next;
else while ((menu = menu->parent)) {
if (!menu->sym && menu_is_visible(menu) &&
menu != &rootmenu) {
str = menu_get_prompt(menu);
fprintf(out, "# end of %s\n", str);
need_newline = true;
}
if (menu->next) {
menu = menu->next;
break;
@ -823,41 +912,76 @@ next:
}
fclose(out);
for_all_symbols(i, sym)
sym->flags &= ~SYMBOL_WRITTEN;
if (*tmpname) {
strcat(dirname, basename);
strcat(dirname, ".old");
rename(newname, dirname);
if (rename(tmpname, newname))
if (is_same(name, tmpname)) {
conf_message("No change to %s", name);
unlink(tmpname);
sym_set_change_count(0);
return 0;
}
snprintf(oldname, sizeof(oldname), "%s.old", name);
rename(name, oldname);
if (rename(tmpname, name))
return 1;
}
conf_message(_("configuration written to %s"), newname);
conf_message("configuration written to %s", name);
sym_set_change_count(0);
return 0;
}
static int conf_split_config(void)
/* write a dependency file as used by kbuild to track dependencies */
static int conf_write_dep(const char *name)
{
struct file *file;
FILE *out;
out = fopen("..config.tmp", "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
for (file = file_list; file; file = file->next) {
if (file->next)
fprintf(out, "\t%s \\\n", file->name);
else
fprintf(out, "\t%s\n", file->name);
}
fprintf(out, "\n%s: \\\n"
"\t$(deps_config)\n\n", conf_get_autoconfig_name());
env_write_dep(out, conf_get_autoconfig_name());
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
if (make_parent_dir(name))
return 1;
rename("..config.tmp", name);
return 0;
}
static int conf_touch_deps(void)
{
const char *name;
char path[PATH_MAX+1];
char *s, *d, c;
struct symbol *sym;
struct stat sb;
int res, i, fd;
int res, i;
strcpy(depfile_path, "include/config/");
depfile_prefix_len = strlen(depfile_path);
name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
if (chdir("include/config"))
return 1;
res = 0;
for_all_symbols(i, sym) {
sym_calc_value(sym);
if ((sym->flags & SYMBOL_AUTO) || !sym->name)
if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name)
continue;
if (sym->flags & SYMBOL_WRITE) {
if (sym->flags & SYMBOL_DEF_AUTO) {
@ -906,86 +1030,41 @@ static int conf_split_config(void)
* different from 'no').
*/
/* Replace all '_' and append ".h" */
s = sym->name;
d = path;
while ((c = *s++)) {
c = tolower(c);
*d++ = (c == '_') ? '/' : c;
}
strcpy(d, ".h");
/* Assume directory path already exists. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
if (errno != ENOENT) {
res = 1;
break;
}
/*
* Create directory components,
* unless they exist already.
*/
d = path;
while ((d = strchr(d, '/'))) {
*d = 0;
if (stat(path, &sb) && mkdir(path, 0755)) {
res = 1;
goto out;
}
*d++ = '/';
}
/* Try it again. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
res = 1;
break;
}
}
close(fd);
res = conf_touch_dep(sym->name);
if (res)
return res;
}
out:
if (chdir("../.."))
return 1;
return res;
return 0;
}
int conf_write_autoconf(void)
int conf_write_autoconf(int overwrite)
{
struct symbol *sym;
const char *name;
FILE *out, *tristate, *out_h;
const char *autoconf_name = conf_get_autoconfig_name();
FILE *out, *out_h;
int i;
sym_clear_all_valid();
if (!overwrite && is_present(autoconf_name))
return 0;
file_write_dep("include/config/auto.conf.cmd");
conf_write_dep("include/config/auto.conf.cmd");
if (conf_split_config())
if (conf_touch_deps())
return 1;
out = fopen(".tmpconfig", "w");
if (!out)
return 1;
tristate = fopen(".tmpconfig_tristate", "w");
if (!tristate) {
fclose(out);
return 1;
}
out_h = fopen(".tmpconfig.h", "w");
if (!out_h) {
fclose(out);
fclose(tristate);
return 1;
}
conf_write_heading(out, &kconfig_printer_cb, NULL);
conf_write_heading(tristate, &tristate_printer_cb, NULL);
conf_write_heading(out_h, &header_printer_cb, NULL);
for_all_symbols(i, sym) {
@ -993,33 +1072,28 @@ int conf_write_autoconf(void)
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
continue;
/* write symbol to auto.conf, tristate and header files */
/* write symbols to auto.conf and autoconf.h */
conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1);
conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
}
fclose(out);
fclose(tristate);
fclose(out_h);
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
name = "include/generated/autoconf.h";
if (make_parent_dir(name))
return 1;
if (rename(".tmpconfig.h", name))
return 1;
name = getenv("KCONFIG_TRISTATE");
if (!name)
name = "include/config/tristate.conf";
if (rename(".tmpconfig_tristate", name))
if (make_parent_dir(autoconf_name))
return 1;
name = conf_get_autoconfig_name();
/*
* This must be the last step, kbuild has a dependency on auto.conf
* and this marks the successful completion of the previous steps.
*/
if (rename(".tmpconfig", name))
if (rename(".tmpconfig", autoconf_name))
return 1;
return 0;
@ -1123,7 +1197,7 @@ void set_all_choice_values(struct symbol *csym)
bool conf_set_all_new_symbols(enum conf_def_mode mode)
{
struct symbol *sym, *csym;
int i, cnt, pby, pty, ptm; /* pby: probability of boolean = y
int i, cnt, pby, pty, ptm; /* pby: probability of bool = y
* pty: probability of tristate = y
* ptm: probability of tristate = m
*/
@ -1238,7 +1312,7 @@ bool conf_set_all_new_symbols(enum conf_def_mode mode)
sym_calc_value(csym);
if (mode == def_random)
has_changed = randomize_choice_values(csym);
has_changed |= randomize_choice_values(csym);
else {
set_all_choice_values(csym);
has_changed = true;
@ -1247,3 +1321,18 @@ bool conf_set_all_new_symbols(enum conf_def_mode mode)
return has_changed;
}
void conf_rewrite_mod_or_yes(enum conf_def_mode mode)
{
struct symbol *sym;
int i;
tristate old_val = (mode == def_y2m) ? yes : mod;
tristate new_val = (mode == def_y2m) ? mod : yes;
for_all_symbols(i, sym) {
if (sym_get_type(sym) == S_TRISTATE &&
sym->def[S_DEF_USER].tri == old_val)
sym->def[S_DEF_USER].tri = new_val;
}
sym_clear_all_valid();
}

216
kconfig/expr.c
View File

@ -1,8 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -11,7 +13,6 @@
#define DEBUG_EXPR 0
static int expr_eq(struct expr *e1, struct expr *e2);
static struct expr *expr_eliminate_yn(struct expr *e);
struct expr *expr_alloc_symbol(struct symbol *sym)
@ -94,7 +95,7 @@ struct expr *expr_copy(const struct expr *org)
e->right.expr = expr_copy(org->right.expr);
break;
default:
printf("can't copy type %d\n", e->type);
fprintf(stderr, "can't copy type %d\n", e->type);
free(e);
e = NULL;
break;
@ -113,7 +114,7 @@ void expr_free(struct expr *e)
break;
case E_NOT:
expr_free(e->left.expr);
return;
break;
case E_EQUAL:
case E_GEQ:
case E_GTH:
@ -127,7 +128,7 @@ void expr_free(struct expr *e)
expr_free(e->right.expr);
break;
default:
printf("how to free type %d?\n", e->type);
fprintf(stderr, "how to free type %d?\n", e->type);
break;
}
free(e);
@ -138,8 +139,18 @@ static int trans_count;
#define e1 (*ep1)
#define e2 (*ep2)
/*
* expr_eliminate_eq() helper.
*
* Walks the two expression trees given in 'ep1' and 'ep2'. Any node that does
* not have type 'type' (E_OR/E_AND) is considered a leaf, and is compared
* against all other leaves. Two equal leaves are both replaced with either 'y'
* or 'n' as appropriate for 'type', to be eliminated later.
*/
static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct expr **ep2)
{
/* Recurse down to leaves */
if (e1->type == type) {
__expr_eliminate_eq(type, &e1->left.expr, &e2);
__expr_eliminate_eq(type, &e1->right.expr, &e2);
@ -150,12 +161,18 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e
__expr_eliminate_eq(type, &e1, &e2->right.expr);
return;
}
/* e1 and e2 are leaves. Compare them. */
if (e1->type == E_SYMBOL && e2->type == E_SYMBOL &&
e1->left.sym == e2->left.sym &&
(e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no))
return;
if (!expr_eq(e1, e2))
return;
/* e1 and e2 are equal leaves. Prepare them for elimination. */
trans_count++;
expr_free(e1); expr_free(e2);
switch (type) {
@ -172,6 +189,35 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e
}
}
/*
* Rewrites the expressions 'ep1' and 'ep2' to remove operands common to both.
* Example reductions:
*
* ep1: A && B -> ep1: y
* ep2: A && B && C -> ep2: C
*
* ep1: A || B -> ep1: n
* ep2: A || B || C -> ep2: C
*
* ep1: A && (B && FOO) -> ep1: FOO
* ep2: (BAR && B) && A -> ep2: BAR
*
* ep1: A && (B || C) -> ep1: y
* ep2: (C || B) && A -> ep2: y
*
* Comparisons are done between all operands at the same "level" of && or ||.
* For example, in the expression 'e1 && (e2 || e3) && (e4 || e5)', the
* following operands will be compared:
*
* - 'e1', 'e2 || e3', and 'e4 || e5', against each other
* - e2 against e3
* - e4 against e5
*
* Parentheses are irrelevant within a single level. 'e1 && (e2 && e3)' and
* '(e1 && e2) && e3' are both a single level.
*
* See __expr_eliminate_eq() as well.
*/
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
{
if (!e1 || !e2)
@ -197,10 +243,23 @@ void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
#undef e1
#undef e2
static int expr_eq(struct expr *e1, struct expr *e2)
/*
* Returns true if 'e1' and 'e2' are equal, after minor simplification. Two
* &&/|| expressions are considered equal if every operand in one expression
* equals some operand in the other (operands do not need to appear in the same
* order), recursively.
*/
int expr_eq(struct expr *e1, struct expr *e2)
{
int res, old_count;
/*
* A NULL expr is taken to be yes, but there's also a different way to
* represent yes. expr_is_yes() checks for either representation.
*/
if (!e1 || !e2)
return expr_is_yes(e1) && expr_is_yes(e2);
if (e1->type != e2->type)
return 0;
switch (e1->type) {
@ -243,6 +302,17 @@ static int expr_eq(struct expr *e1, struct expr *e2)
return 0;
}
/*
* Recursively performs the following simplifications in-place (as well as the
* corresponding simplifications with swapped operands):
*
* expr && n -> n
* expr && y -> expr
* expr || n -> expr
* expr || y -> y
*
* Returns the optimized expression.
*/
static struct expr *expr_eliminate_yn(struct expr *e)
{
struct expr *tmp;
@ -516,12 +586,21 @@ static struct expr *expr_join_and(struct expr *e1, struct expr *e2)
return NULL;
}
/*
* expr_eliminate_dups() helper.
*
* Walks the two expression trees given in 'ep1' and 'ep2'. Any node that does
* not have type 'type' (E_OR/E_AND) is considered a leaf, and is compared
* against all other leaves to look for simplifications.
*/
static void expr_eliminate_dups1(enum expr_type type, struct expr **ep1, struct expr **ep2)
{
#define e1 (*ep1)
#define e2 (*ep2)
struct expr *tmp;
/* Recurse down to leaves */
if (e1->type == type) {
expr_eliminate_dups1(type, &e1->left.expr, &e2);
expr_eliminate_dups1(type, &e1->right.expr, &e2);
@ -532,6 +611,9 @@ static void expr_eliminate_dups1(enum expr_type type, struct expr **ep1, struct
expr_eliminate_dups1(type, &e1, &e2->right.expr);
return;
}
/* e1 and e2 are leaves. Compare and process them. */
if (e1 == e2)
return;
@ -568,6 +650,17 @@ static void expr_eliminate_dups1(enum expr_type type, struct expr **ep1, struct
#undef e2
}
/*
* Rewrites 'e' in-place to remove ("join") duplicate and other redundant
* operands.
*
* Example simplifications:
*
* A || B || A -> A || B
* A && B && A=y -> A=y && B
*
* Returns the deduplicated expression.
*/
struct expr *expr_eliminate_dups(struct expr *e)
{
int oldcount;
@ -584,6 +677,7 @@ struct expr *expr_eliminate_dups(struct expr *e)
;
}
if (!trans_count)
/* No simplifications done in this pass. We're done */
break;
e = expr_eliminate_yn(e);
}
@ -591,6 +685,12 @@ struct expr *expr_eliminate_dups(struct expr *e)
return e;
}
/*
* Performs various simplifications involving logical operators and
* comparisons.
*
* Allocates and returns a new expression.
*/
struct expr *expr_transform(struct expr *e)
{
struct expr *tmp;
@ -805,6 +905,20 @@ bool expr_depends_symbol(struct expr *dep, struct symbol *sym)
return false;
}
/*
* Inserts explicit comparisons of type 'type' to symbol 'sym' into the
* expression 'e'.
*
* Examples transformations for type == E_UNEQUAL, sym == &symbol_no:
*
* A -> A!=n
* !A -> A=n
* A && B -> !(A=n || B=n)
* A || B -> !(A=n && B=n)
* A && (B || C) -> !(A=n || (B=n && C=n))
*
* Allocates and returns a new expression.
*/
struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym)
{
struct expr *e1, *e2;
@ -874,7 +988,6 @@ enum string_value_kind {
k_string,
k_signed,
k_unsigned,
k_invalid
};
union string_value {
@ -905,13 +1018,10 @@ static enum string_value_kind expr_parse_string(const char *str,
val->u = strtoull(str, &tail, 16);
kind = k_unsigned;
break;
case S_STRING:
case S_UNKNOWN:
default:
val->s = strtoll(str, &tail, 0);
kind = k_signed;
break;
default:
return k_invalid;
}
return !errno && !*tail && tail > str && isxdigit(tail[-1])
? kind : k_string;
@ -967,13 +1077,7 @@ tristate expr_calc_value(struct expr *e)
if (k1 == k_string || k2 == k_string)
res = strcmp(str1, str2);
else if (k1 == k_invalid || k2 == k_invalid) {
if (e->type != E_EQUAL && e->type != E_UNEQUAL) {
printf("Cannot compare \"%s\" and \"%s\"\n", str1, str2);
return no;
}
res = strcmp(str1, str2);
} else if (k1 == k_unsigned || k2 == k_unsigned)
else if (k1 == k_unsigned || k2 == k_unsigned)
res = (lval.u > rval.u) - (lval.u < rval.u);
else /* if (k1 == k_signed && k2 == k_signed) */
res = (lval.s > rval.s) - (lval.s < rval.s);
@ -1031,49 +1135,9 @@ static int expr_compare_type(enum expr_type t1, enum expr_type t2)
return 0;
}
static inline struct expr *
expr_get_leftmost_symbol(const struct expr *e)
{
if (e == NULL)
return NULL;
while (e->type != E_SYMBOL)
e = e->left.expr;
return expr_copy(e);
}
/*
* Given expression `e1' and `e2', returns the leaf of the longest
* sub-expression of `e1' not containing 'e2.
*/
struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2)
{
struct expr *ret;
switch (e1->type) {
case E_OR:
return expr_alloc_and(
expr_simplify_unmet_dep(e1->left.expr, e2),
expr_simplify_unmet_dep(e1->right.expr, e2));
case E_AND: {
struct expr *e;
e = expr_alloc_and(expr_copy(e1), expr_copy(e2));
e = expr_eliminate_dups(e);
ret = (!expr_eq(e, e1)) ? e1 : NULL;
expr_free(e);
break;
}
default:
ret = e1;
break;
}
return expr_get_leftmost_symbol(ret);
}
void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
void expr_print(struct expr *e,
void (*fn)(void *, struct symbol *, const char *),
void *data, int prevtoken)
{
if (!e) {
fn(data, NULL, "y");
@ -1207,3 +1271,33 @@ void expr_gstr_print(struct expr *e, struct gstr *gs)
{
expr_print(e, expr_print_gstr_helper, gs, E_NONE);
}
/*
* Transform the top level "||" tokens into newlines and prepend each
* line with a minus. This makes expressions much easier to read.
* Suitable for reverse dependency expressions.
*/
static void expr_print_revdep(struct expr *e,
void (*fn)(void *, struct symbol *, const char *),
void *data, tristate pr_type, const char **title)
{
if (e->type == E_OR) {
expr_print_revdep(e->left.expr, fn, data, pr_type, title);
expr_print_revdep(e->right.expr, fn, data, pr_type, title);
} else if (expr_calc_value(e) == pr_type) {
if (*title) {
fn(data, NULL, *title);
*title = NULL;
}
fn(data, NULL, " - ");
expr_print(e, fn, data, E_NONE);
fn(data, NULL, "\n");
}
}
void expr_gstr_print_revdep(struct expr *e, struct gstr *gs,
tristate pr_type, const char *title)
{
expr_print_revdep(e, expr_print_gstr_helper, gs, pr_type, &title);
}

108
kconfig/expr.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#ifndef EXPR_H
@ -62,7 +62,7 @@ struct symbol_value {
};
enum symbol_type {
S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING
};
/* enum values are used as index to symbol.def[] */
@ -74,21 +74,64 @@ enum {
S_DEF_COUNT
};
/*
* Represents a configuration symbol.
*
* Choices are represented as a special kind of symbol and have the
* SYMBOL_CHOICE bit set in 'flags'.
*/
struct symbol {
/* The next symbol in the same bucket in the symbol hash table */
struct symbol *next;
/* The name of the symbol, e.g. "FOO" for 'config FOO' */
char *name;
/* S_BOOLEAN, S_TRISTATE, ... */
enum symbol_type type;
/*
* The calculated value of the symbol. The SYMBOL_VALID bit is set in
* 'flags' when this is up to date. Note that this value might differ
* from the user value set in e.g. a .config file, due to visibility.
*/
struct symbol_value curr;
/*
* Values for the symbol provided from outside. def[S_DEF_USER] holds
* the .config value.
*/
struct symbol_value def[S_DEF_COUNT];
/*
* An upper bound on the tristate value the user can set for the symbol
* if it is a boolean or tristate. Calculated from prompt dependencies,
* which also inherit dependencies from enclosing menus, choices, and
* ifs. If 'n', the user value will be ignored.
*
* Symbols lacking prompts always have visibility 'n'.
*/
tristate visible;
/* SYMBOL_* flags */
int flags;
/* List of properties. See prop_type. */
struct property *prop;
/* Dependencies from enclosing menus, choices, and ifs */
struct expr_value dir_dep;
/* Reverse dependencies through being selected by other symbols */
struct expr_value rev_dep;
/*
* "Weak" reverse dependencies through being implied by other symbols
*/
struct expr_value implied;
};
#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next)
#define SYMBOL_CONST 0x0001 /* symbol is const */
#define SYMBOL_CHECK 0x0008 /* used during dependency checking */
@ -98,7 +141,8 @@ struct symbol {
#define SYMBOL_OPTIONAL 0x0100 /* choice is optional - values can be 'n' */
#define SYMBOL_WRITE 0x0200 /* write symbol to file (KCONFIG_CONFIG) */
#define SYMBOL_CHANGED 0x0400 /* ? */
#define SYMBOL_AUTO 0x1000 /* value from environment variable */
#define SYMBOL_WRITTEN 0x0800 /* track info to avoid double-write to .config */
#define SYMBOL_NO_WRITE 0x1000 /* Symbol for internal use only; it will not be written */
#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */
#define SYMBOL_WARNED 0x8000 /* warning has been issued */
@ -128,24 +172,25 @@ struct symbol {
* config BAZ
* int "BAZ Value"
* range 1..255
*
* Please, also check parser.y:print_symbol() when modifying the
* list of property types!
*/
enum prop_type {
P_UNKNOWN,
P_PROMPT, /* prompt "foo prompt" or "BAZ Value" */
P_COMMENT, /* text associated with a comment */
P_MENU, /* prompt associated with a menuconfig option */
P_MENU, /* prompt associated with a menu or menuconfig symbol */
P_DEFAULT, /* default y */
P_CHOICE, /* choice value */
P_SELECT, /* select BAR */
P_IMPLY, /* imply BAR */
P_RANGE, /* range 7..100 (for a symbol) */
P_ENV, /* value from environment variable */
P_SYMBOL, /* where a symbol is defined */
};
struct property {
struct property *next; /* next property - null if last */
struct symbol *sym; /* the symbol for which the property is associated */
enum prop_type type; /* type of property */
const char *text; /* the prompt value - P_PROMPT, P_MENU, P_COMMENT */
struct expr_value visible;
@ -166,22 +211,67 @@ struct property {
for (st = sym->prop; st; st = st->next) \
if (st->text)
/*
* Represents a node in the menu tree, as seen in e.g. menuconfig (though used
* for all front ends). Each symbol, menu, etc. defined in the Kconfig files
* gets a node. A symbol defined in multiple locations gets one node at each
* location.
*/
struct menu {
/* The next menu node at the same level */
struct menu *next;
/* The parent menu node, corresponding to e.g. a menu or choice */
struct menu *parent;
/* The first child menu node, for e.g. menus and choices */
struct menu *list;
/*
* The symbol associated with the menu node. Choices are implemented as
* a special kind of symbol. NULL for menus, comments, and ifs.
*/
struct symbol *sym;
/*
* The prompt associated with the node. This holds the prompt for a
* symbol as well as the text for a menu or comment, along with the
* type (P_PROMPT, P_MENU, etc.)
*/
struct property *prompt;
/*
* 'visible if' dependencies. If more than one is given, they will be
* ANDed together.
*/
struct expr *visibility;
/*
* Ordinary dependencies from e.g. 'depends on' and 'if', ANDed
* together
*/
struct expr *dep;
/* MENU_* flags */
unsigned int flags;
/* Any help text associated with the node */
char *help;
/* The location where the menu node appears in the Kconfig files */
struct file *file;
int lineno;
/* For use by front ends that need to store auxiliary data */
void *data;
};
/*
* Set on a menu node when the corresponding symbol changes state in some way.
* Can be checked by front ends.
*/
#define MENU_CHANGED 0x0001
#define MENU_ROOT 0x0002
struct jump_key {
@ -210,6 +300,7 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
struct expr *expr_copy(const struct expr *org);
void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
int expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(struct expr *e);
struct expr *expr_trans_bool(struct expr *e);
struct expr *expr_eliminate_dups(struct expr *e);
@ -217,11 +308,12 @@ struct expr *expr_transform(struct expr *e);
int expr_contains_symbol(struct expr *dep, struct symbol *sym);
bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2);
void expr_fprint(struct expr *e, FILE *out);
struct gstr; /* forward */
void expr_gstr_print(struct expr *e, struct gstr *gs);
void expr_gstr_print_revdep(struct expr *e, struct gstr *gs,
tristate pr_type, const char *title);
static inline int expr_is_yes(struct expr *e)
{

54
kconfig/kconf_id.c
View File

@ -1,54 +0,0 @@
static struct kconf_id kconf_id_array[] = {
{ "mainmenu", T_MAINMENU, TF_COMMAND },
{ "menu", T_MENU, TF_COMMAND },
{ "endmenu", T_ENDMENU, TF_COMMAND },
{ "source", T_SOURCE, TF_COMMAND },
{ "choice", T_CHOICE, TF_COMMAND },
{ "endchoice", T_ENDCHOICE, TF_COMMAND },
{ "comment", T_COMMENT, TF_COMMAND },
{ "config", T_CONFIG, TF_COMMAND },
{ "menuconfig", T_MENUCONFIG, TF_COMMAND },
{ "help", T_HELP, TF_COMMAND },
{ "---help---", T_HELP, TF_COMMAND },
{ "if", T_IF, TF_COMMAND|TF_PARAM },
{ "endif", T_ENDIF, TF_COMMAND },
{ "depends", T_DEPENDS, TF_COMMAND },
{ "optional", T_OPTIONAL, TF_COMMAND },
{ "default", T_DEFAULT, TF_COMMAND, S_UNKNOWN },
{ "prompt", T_PROMPT, TF_COMMAND },
{ "tristate", T_TYPE, TF_COMMAND, S_TRISTATE },
{ "def_tristate", T_DEFAULT, TF_COMMAND, S_TRISTATE },
{ "bool", T_TYPE, TF_COMMAND, S_BOOLEAN },
{ "boolean", T_TYPE, TF_COMMAND, S_BOOLEAN },
{ "def_bool", T_DEFAULT, TF_COMMAND, S_BOOLEAN },
{ "int", T_TYPE, TF_COMMAND, S_INT },
{ "hex", T_TYPE, TF_COMMAND, S_HEX },
{ "string", T_TYPE, TF_COMMAND, S_STRING },
{ "select", T_SELECT, TF_COMMAND },
{ "imply", T_IMPLY, TF_COMMAND },
{ "range", T_RANGE, TF_COMMAND },
{ "visible", T_VISIBLE, TF_COMMAND },
{ "option", T_OPTION, TF_COMMAND },
{ "on", T_ON, TF_PARAM },
{ "modules", T_OPT_MODULES, TF_OPTION },
{ "defconfig_list", T_OPT_DEFCONFIG_LIST, TF_OPTION },
{ "env", T_OPT_ENV, TF_OPTION },
{ "allnoconfig_y", T_OPT_ALLNOCONFIG_Y, TF_OPTION },
};
#define KCONF_ID_ARRAY_SIZE (sizeof(kconf_id_array)/sizeof(struct kconf_id))
static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len)
{
int i;
for (i = 0; i < KCONF_ID_ARRAY_SIZE; i++) {
struct kconf_id *id = kconf_id_array+i;
int l = strlen(id->name);
if (len == l && !memcmp(str, id->name, len))
return id;
}
return NULL;
}

471
kconfig/lexer.l Normal file
View File

@ -0,0 +1,471 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
*/
%option nostdinit noyywrap never-interactive full ecs
%option 8bit nodefault yylineno
%x ASSIGN_VAL HELP STRING
%{
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "lkc.h"
#include "parser.tab.h"
#define YY_DECL static int yylex1(void)
#define START_STRSIZE 16
static struct {
struct file *file;
int lineno;
} current_pos;
static int prev_prev_token = T_EOL;
static int prev_token = T_EOL;
static char *text;
static int text_size, text_asize;
struct buffer {
struct buffer *parent;
YY_BUFFER_STATE state;
};
static struct buffer *current_buf;
static int last_ts, first_ts;
static char *expand_token(const char *in, size_t n);
static void append_expanded_string(const char *in);
static void zconf_endhelp(void);
static void zconf_endfile(void);
static void new_string(void)
{
text = xmalloc(START_STRSIZE);
text_asize = START_STRSIZE;
text_size = 0;
*text = 0;
}
static void append_string(const char *str, int size)
{
int new_size = text_size + size + 1;
if (new_size > text_asize) {
new_size += START_STRSIZE - 1;
new_size &= -START_STRSIZE;
text = xrealloc(text, new_size);
text_asize = new_size;
}
memcpy(text + text_size, str, size);
text_size += size;
text[text_size] = 0;
}
static void alloc_string(const char *str, int size)
{
text = xmalloc(size + 1);
memcpy(text, str, size);
text[size] = 0;
}
static void warn_ignored_character(char chr)
{
fprintf(stderr,
"%s:%d:warning: ignoring unsupported character '%c'\n",
current_file->name, yylineno, chr);
}
%}
n [A-Za-z0-9_-]
%%
int str = 0;
int ts, i;
#.* /* ignore comment */
[ \t]* /* whitespaces */
\\\n /* escaped new line */
\n return T_EOL;
"allnoconfig_y" return T_ALLNOCONFIG_Y;
"bool" return T_BOOL;
"choice" return T_CHOICE;
"comment" return T_COMMENT;
"config" return T_CONFIG;
"def_bool" return T_DEF_BOOL;
"def_tristate" return T_DEF_TRISTATE;
"default" return T_DEFAULT;
"defconfig_list" return T_DEFCONFIG_LIST;
"depends" return T_DEPENDS;
"endchoice" return T_ENDCHOICE;
"endif" return T_ENDIF;
"endmenu" return T_ENDMENU;
"help" return T_HELP;
"hex" return T_HEX;
"if" return T_IF;
"imply" return T_IMPLY;
"int" return T_INT;
"mainmenu" return T_MAINMENU;
"menu" return T_MENU;
"menuconfig" return T_MENUCONFIG;
"modules" return T_MODULES;
"on" return T_ON;
"option" return T_OPTION;
"optional" return T_OPTIONAL;
"prompt" return T_PROMPT;
"range" return T_RANGE;
"select" return T_SELECT;
"source" return T_SOURCE;
"string" return T_STRING;
"tristate" return T_TRISTATE;
"visible" return T_VISIBLE;
"||" return T_OR;
"&&" return T_AND;
"=" return T_EQUAL;
"!=" return T_UNEQUAL;
"<" return T_LESS;
"<=" return T_LESS_EQUAL;
">" return T_GREATER;
">=" return T_GREATER_EQUAL;
"!" return T_NOT;
"(" return T_OPEN_PAREN;
")" return T_CLOSE_PAREN;
":=" return T_COLON_EQUAL;
"+=" return T_PLUS_EQUAL;
\"|\' {
str = yytext[0];
new_string();
BEGIN(STRING);
}
{n}+ {
alloc_string(yytext, yyleng);
yylval.string = text;
return T_WORD;
}
({n}|$)+ {
/* this token includes at least one '$' */
yylval.string = expand_token(yytext, yyleng);
if (strlen(yylval.string))
return T_WORD;
free(yylval.string);
}
. warn_ignored_character(*yytext);
<ASSIGN_VAL>{
[^[:blank:]\n]+.* {
alloc_string(yytext, yyleng);
yylval.string = text;
return T_ASSIGN_VAL;
}
\n { BEGIN(INITIAL); return T_EOL; }
.
}
<STRING>{
"$".* append_expanded_string(yytext);
[^$'"\\\n]+ {
append_string(yytext, yyleng);
}
\\.? {
append_string(yytext + 1, yyleng - 1);
}
\'|\" {
if (str == yytext[0]) {
BEGIN(INITIAL);
yylval.string = text;
return T_WORD_QUOTE;
} else
append_string(yytext, 1);
}
\n {
fprintf(stderr,
"%s:%d:warning: multi-line strings not supported\n",
zconf_curname(), zconf_lineno());
unput('\n');
BEGIN(INITIAL);
yylval.string = text;
return T_WORD_QUOTE;
}
<<EOF>> {
BEGIN(INITIAL);
yylval.string = text;
return T_WORD_QUOTE;
}
}
<HELP>{
[ \t]+ {
ts = 0;
for (i = 0; i < yyleng; i++) {
if (yytext[i] == '\t')
ts = (ts & ~7) + 8;
else
ts++;
}
last_ts = ts;
if (first_ts) {
if (ts < first_ts) {
zconf_endhelp();
return T_HELPTEXT;
}
ts -= first_ts;
while (ts > 8) {
append_string(" ", 8);
ts -= 8;
}
append_string(" ", ts);
}
}
[ \t]*\n/[^ \t\n] {
zconf_endhelp();
return T_HELPTEXT;
}
[ \t]*\n {
append_string("\n", 1);
}
[^ \t\n].* {
while (yyleng) {
if ((yytext[yyleng-1] != ' ') && (yytext[yyleng-1] != '\t'))
break;
yyleng--;
}
append_string(yytext, yyleng);
if (!first_ts)
first_ts = last_ts;
}
<<EOF>> {
zconf_endhelp();
return T_HELPTEXT;
}
}
<<EOF>> {
BEGIN(INITIAL);
if (prev_token != T_EOL && prev_token != T_HELPTEXT)
fprintf(stderr, "%s:%d:warning: no new line at end of file\n",
current_file->name, yylineno);
if (current_file) {
zconf_endfile();
return T_EOL;
}
fclose(yyin);
yyterminate();
}
%%
/* second stage lexer */
int yylex(void)
{
int token;
repeat:
token = yylex1();
if (prev_token == T_EOL || prev_token == T_HELPTEXT) {
if (token == T_EOL) {
/* Do not pass unneeded T_EOL to the parser. */
goto repeat;
} else {
/*
* For the parser, update file/lineno at the first token
* of each statement. Generally, \n is a statement
* terminator in Kconfig, but it is not always true
* because \n could be escaped by a backslash.
*/
current_pos.file = current_file;
current_pos.lineno = yylineno;
}
}
if (prev_prev_token == T_EOL && prev_token == T_WORD &&
(token == T_EQUAL || token == T_COLON_EQUAL || token == T_PLUS_EQUAL))
BEGIN(ASSIGN_VAL);
prev_prev_token = prev_token;
prev_token = token;
return token;
}
static char *expand_token(const char *in, size_t n)
{
char *out;
int c;
char c2;
const char *rest, *end;
new_string();
append_string(in, n);
/* get the whole line because we do not know the end of token. */
while ((c = input()) != EOF) {
if (c == '\n') {
unput(c);
break;
}
c2 = c;
append_string(&c2, 1);
}
rest = text;
out = expand_one_token(&rest);
/* push back unused characters to the input stream */
end = rest + strlen(rest);
while (end > rest)
unput(*--end);
free(text);
return out;
}
static void append_expanded_string(const char *str)
{
const char *end;
char *res;
str++;
res = expand_dollar(&str);
/* push back unused characters to the input stream */
end = str + strlen(str);
while (end > str)
unput(*--end);
append_string(res, strlen(res));
free(res);
}
void zconf_starthelp(void)
{
new_string();
last_ts = first_ts = 0;
BEGIN(HELP);
}
static void zconf_endhelp(void)
{
yylval.string = text;
BEGIN(INITIAL);
}
/*
* Try to open specified file with following names:
* ./name
* $(srctree)/name
* The latter is used when srctree is separate from objtree
* when compiling the kernel.
* Return NULL if file is not found.
*/
FILE *zconf_fopen(const char *name)
{
char *env, fullname[PATH_MAX+1];
FILE *f;
f = fopen(name, "r");
if (!f && name != NULL && name[0] != '/') {
env = getenv(SRCTREE);
if (env) {
snprintf(fullname, sizeof(fullname),
"%s/%s", env, name);
f = fopen(fullname, "r");
}
}
return f;
}
void zconf_initscan(const char *name)
{
yyin = zconf_fopen(name);
if (!yyin) {
fprintf(stderr, "can't find file %s\n", name);
exit(1);
}
current_buf = xmalloc(sizeof(*current_buf));
memset(current_buf, 0, sizeof(*current_buf));
current_file = file_lookup(name);
yylineno = 1;
}
void zconf_nextfile(const char *name)
{
struct file *iter;
struct file *file = file_lookup(name);
struct buffer *buf = xmalloc(sizeof(*buf));
memset(buf, 0, sizeof(*buf));
current_buf->state = YY_CURRENT_BUFFER;
yyin = zconf_fopen(file->name);
if (!yyin) {
fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
zconf_curname(), zconf_lineno(), file->name);
exit(1);
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
buf->parent = current_buf;
current_buf = buf;
current_file->lineno = yylineno;
file->parent = current_file;
for (iter = current_file; iter; iter = iter->parent) {
if (!strcmp(iter->name, file->name)) {
fprintf(stderr,
"Recursive inclusion detected.\n"
"Inclusion path:\n"
" current file : %s\n", file->name);
iter = file;
do {
iter = iter->parent;
fprintf(stderr, " included from: %s:%d\n",
iter->name, iter->lineno - 1);
} while (strcmp(iter->name, file->name));
exit(1);
}
}
yylineno = 1;
current_file = file;
}
static void zconf_endfile(void)
{
struct buffer *parent;
current_file = current_file->parent;
if (current_file)
yylineno = current_file->lineno;
parent = current_buf->parent;
if (parent) {
fclose(yyin);
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(parent->state);
}
free(current_buf);
current_buf = parent;
}
int zconf_lineno(void)
{
return current_pos.lineno;
}
const char *zconf_curname(void)
{
return current_pos.file ? current_pos.file->name : "<none>";
}

97
kconfig/lkc.h
View File

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#ifndef LKC_H
@ -8,15 +8,6 @@
#include "expr.h"
#ifndef KBUILD_NO_NLS
# include <libintl.h>
#else
static inline const char *gettext(const char *txt) { return txt; }
static inline void textdomain(const char *domainname) {}
static inline void bindtextdomain(const char *name, const char *dir) {}
static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -29,11 +20,6 @@ extern "C" {
#define PACKAGE "linux"
#endif
#define LOCALEDIR "/usr/share/locale"
#define _(text) gettext(text)
#define N_(text) (text)
#ifndef CONFIG_
#define CONFIG_ "CONFIG_"
#endif
@ -44,30 +30,17 @@ static inline const char *CONFIG_prefix(void)
#undef CONFIG_
#define CONFIG_ CONFIG_prefix()
#define TF_COMMAND 0x0001
#define TF_PARAM 0x0002
#define TF_OPTION 0x0004
enum conf_def_mode {
def_default,
def_yes,
def_mod,
def_y2m,
def_m2y,
def_no,
def_random
};
#define T_OPT_MODULES 1
#define T_OPT_DEFCONFIG_LIST 2
#define T_OPT_ENV 3
#define T_OPT_ALLNOCONFIG_Y 4
struct kconf_id {
const char *name;
int token;
unsigned int flags;
enum symbol_type stype;
};
extern int yylineno;
void zconfdump(FILE *out);
void zconf_starthelp(void);
FILE *zconf_fopen(const char *name);
@ -78,11 +51,10 @@ const char *zconf_curname(void);
/* confdata.c */
const char *conf_get_configname(void);
const char *conf_get_autoconfig_name(void);
char *conf_get_default_confname(void);
void sym_set_change_count(int count);
void sym_add_change_count(int count);
bool conf_set_all_new_symbols(enum conf_def_mode mode);
void conf_rewrite_mod_or_yes(enum conf_def_mode mode);
void set_all_choice_values(struct symbol *csym);
/* confdata.c and expr.c */
@ -94,27 +66,16 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
fprintf(stderr, "Error in writing or end of file.\n");
}
/* menu.c */
void _menu_init(void);
void menu_warn(struct menu *menu, const char *fmt, ...);
struct menu *menu_add_menu(void);
void menu_end_menu(void);
void menu_add_entry(struct symbol *sym);
void menu_end_entry(void);
void menu_add_dep(struct expr *dep);
void menu_add_visibility(struct expr *dep);
struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
void menu_add_option(int token, char *arg);
void menu_finalize(struct menu *parent);
void menu_set_type(int type);
/* util.c */
struct file *file_lookup(const char *name);
int file_write_dep(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
void *xrealloc(void *p, size_t size);
char *xstrdup(const char *s);
char *xstrndup(const char *s, size_t n);
/* lexer.l */
int yylex(void);
struct gstr {
size_t len;
@ -131,17 +92,43 @@ void str_append(struct gstr *gs, const char *s);
void str_printf(struct gstr *gs, const char *fmt, ...);
const char *str_get(struct gstr *gs);
/* symbol.c */
extern struct expr *sym_env_list;
/* menu.c */
void _menu_init(void);
void menu_warn(struct menu *menu, const char *fmt, ...);
struct menu *menu_add_menu(void);
void menu_end_menu(void);
void menu_add_entry(struct symbol *sym);
void menu_add_dep(struct expr *dep);
void menu_add_visibility(struct expr *dep);
struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep);
void menu_add_option_modules(void);
void menu_add_option_defconfig_list(void);
void menu_add_option_allnoconfig_y(void);
void menu_finalize(struct menu *parent);
void menu_set_type(int type);
void sym_init(void);
extern struct menu rootmenu;
bool menu_is_empty(struct menu *menu);
bool menu_is_visible(struct menu *menu);
bool menu_has_prompt(struct menu *menu);
const char *menu_get_prompt(struct menu *menu);
struct menu *menu_get_root_menu(struct menu *menu);
struct menu *menu_get_parent_menu(struct menu *menu);
bool menu_has_help(struct menu *menu);
const char *menu_get_help(struct menu *menu);
struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
void menu_get_ext_help(struct menu *menu, struct gstr *help);
/* symbol.c */
void sym_clear_all_valid(void);
struct symbol *sym_choice_default(struct symbol *sym);
struct property *sym_get_range_prop(struct symbol *sym);
const char *sym_get_string_default(struct symbol *sym);
struct symbol *sym_check_deps(struct symbol *sym);
struct property *prop_alloc(enum prop_type type, struct symbol *sym);
struct symbol *prop_get_symbol(struct property *prop);
struct property *sym_get_env_prop(struct symbol *sym);
static inline tristate sym_get_tristate_value(struct symbol *sym)
{

34
kconfig/lkc_proto.h
View File

@ -7,31 +7,16 @@ int conf_read(const char *name);
int conf_read_simple(const char *name, int);
int conf_write_defconfig(const char *name);
int conf_write(const char *name);
int conf_write_autoconf(void);
int conf_write_autoconf(int overwrite);
bool conf_get_changed(void);
void conf_set_changed_callback(void (*fn)(void));
void conf_set_message_callback(void (*fn)(const char *fmt, va_list ap));
/* menu.c */
extern struct menu rootmenu;
bool menu_is_empty(struct menu *menu);
bool menu_is_visible(struct menu *menu);
bool menu_has_prompt(struct menu *menu);
const char * menu_get_prompt(struct menu *menu);
struct menu * menu_get_root_menu(struct menu *menu);
struct menu * menu_get_parent_menu(struct menu *menu);
bool menu_has_help(struct menu *menu);
const char * menu_get_help(struct menu *menu);
struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head);
void menu_get_ext_help(struct menu *menu, struct gstr *help);
void conf_set_message_callback(void (*fn)(const char *s));
/* symbol.c */
extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
struct symbol * sym_lookup(const char *name, int flags);
struct symbol * sym_find(const char *name);
const char * sym_expand_string_value(const char *in);
const char * sym_escape_string_value(const char *in);
struct symbol ** sym_re_search(const char *pattern);
const char * sym_type_name(enum symbol_type type);
@ -43,11 +28,24 @@ tristate sym_toggle_tristate_value(struct symbol *sym);
bool sym_string_valid(struct symbol *sym, const char *newval);
bool sym_string_within_range(struct symbol *sym, const char *str);
bool sym_set_string_value(struct symbol *sym, const char *newval);
bool sym_is_changable(struct symbol *sym);
bool sym_is_changeable(struct symbol *sym);
struct property * sym_get_choice_prop(struct symbol *sym);
const char * sym_get_string_value(struct symbol *sym);
const char * prop_get_type_name(enum prop_type type);
/* preprocess.c */
enum variable_flavor {
VAR_SIMPLE,
VAR_RECURSIVE,
VAR_APPEND,
};
void env_write_dep(FILE *f, const char *auto_conf_name);
void variable_add(const char *name, const char *value,
enum variable_flavor flavor);
void variable_all_del(void);
char *expand_dollar(const char **str);
char *expand_one_token(const char **str);
/* expr.c */
void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken);

2
kconfig/lxdialog/BIG.FAT.WARNING
View File

@ -1,4 +1,4 @@
This is NOT the official version of dialog. This version has been
significantly modified from the original. It is for use by the Linux
kernel configuration script. Please do not bother Savio Lam with
kernel configuration script. Please do not bother Savio Lam with
questions about this program.

92
kconfig/lxdialog/check-lxdialog.sh
View File

@ -1,92 +0,0 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Check ncurses compatibility
# What library to link
ldflags()
{
pkg-config --libs ncursesw 2>/dev/null && exit
pkg-config --libs ncurses 2>/dev/null && exit
for ext in so a dll.a dylib ; do
for lib in ncursesw ncurses curses ; do
$cc -print-file-name=lib${lib}.${ext} | grep -q /
if [ $? -eq 0 ]; then
echo "-l${lib}"
exit
fi
done
done
exit 1
}
# Where is ncurses.h?
ccflags()
{
if pkg-config --cflags ncursesw 2>/dev/null; then
echo '-DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1'
elif pkg-config --cflags ncurses 2>/dev/null; then
echo '-DCURSES_LOC="<ncurses.h>"'
elif [ -f /usr/include/ncursesw/curses.h ]; then
echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
echo ' -DNCURSES_WIDECHAR=1'
elif [ -f /usr/include/ncurses/ncurses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
elif [ -f /usr/include/ncurses/curses.h ]; then
echo '-I/usr/include/ncurses -DCURSES_LOC="<curses.h>"'
elif [ -f /usr/include/ncurses.h ]; then
echo '-DCURSES_LOC="<ncurses.h>"'
else
echo '-DCURSES_LOC="<curses.h>"'
fi
}
# Temp file, try to clean up after us
tmp=.lxdialog.tmp
trap "rm -f $tmp" 0 1 2 3 15
# Check if we can link to ncurses
check() {
$cc -x c - -o $tmp 2>/dev/null <<'EOF'
#include CURSES_LOC
main() {}
EOF
if [ $? != 0 ]; then
echo " *** Unable to find the ncurses libraries or the" 1>&2
echo " *** required header files." 1>&2
echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
echo " *** " 1>&2
echo " *** Install ncurses (ncurses-devel) and try again." 1>&2
echo " *** " 1>&2
exit 1
fi
}
usage() {
printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
}
if [ $# -eq 0 ]; then
usage
exit 1
fi
cc=""
case "$1" in
"-check")
shift
cc="$@"
check
;;
"-ccflags")
ccflags
;;
"-ldflags")
shift
cc="$@"
ldflags
;;
"*")
usage
exit 1
;;
esac

19
kconfig/lxdialog/checklist.c
View File

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* checklist.c -- implements the checklist box
*
@ -5,20 +6,6 @@
* Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension
* Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
@ -103,8 +90,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 11;
int y = height - 2;
print_button(dialog, gettext("Select"), y, x, selected == 0);
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
print_button(dialog, "Select", y, x, selected == 0);
print_button(dialog, " Help ", y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);

23
kconfig/lxdialog/dialog.h
View File

@ -1,21 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* dialog.h -- common declarations for all dialog modules
*
* AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/types.h>
@ -26,16 +13,10 @@
#include <string.h>
#include <stdbool.h>
#ifndef KBUILD_NO_NLS
# include <libintl.h>
#else
# define gettext(Msgid) ((const char *) (Msgid))
#endif
#ifdef __sun__
#define CURS_MACROS
#endif
#include CURSES_LOC
#include <ncurses.h>
/*
* Colors in ncurses 1.9.9e do not work properly since foreground and

22
kconfig/lxdialog/inputbox.c
View File

@ -1,22 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* inputbox.c -- implements the input box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
@ -31,8 +18,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 11;
int y = height - 2;
print_button(dialog, gettext(" Ok "), y, x, selected == 0);
print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
print_button(dialog, " Ok ", y, x, selected == 0);
print_button(dialog, " Help ", y, x + 14, selected == 1);
wmove(dialog, y, x + 1 + 14 * selected);
wrefresh(dialog);
@ -126,7 +113,8 @@ do_resize:
case KEY_DOWN:
break;
case KEY_BACKSPACE:
case 127:
case 8: /* ^H */
case 127: /* ^? */
if (pos) {
wattrset(dialog, dlg.inputbox.atr);
if (input_x == 0) {

25
kconfig/lxdialog/menubox.c
View File

@ -1,22 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* menubox.c -- implements the menu box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcapw@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
@ -157,11 +144,11 @@ static void print_buttons(WINDOW * win, int height, int width, int selected)
int x = width / 2 - 28;
int y = height - 2;
print_button(win, gettext("Select"), y, x, selected == 0);
print_button(win, gettext(" Exit "), y, x + 12, selected == 1);
print_button(win, gettext(" Help "), y, x + 24, selected == 2);
print_button(win, gettext(" Save "), y, x + 36, selected == 3);
print_button(win, gettext(" Load "), y, x + 48, selected == 4);
print_button(win, "Select", y, x, selected == 0);
print_button(win, " Exit ", y, x + 12, selected == 1);
print_button(win, " Help ", y, x + 24, selected == 2);
print_button(win, " Save ", y, x + 36, selected == 3);
print_button(win, " Load ", y, x + 48, selected == 4);
wmove(win, y, x + 1 + 12 * selected);
wrefresh(win);

17
kconfig/lxdialog/textbox.c
View File

@ -1,22 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* textbox.c -- implements the text box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
@ -129,7 +116,7 @@ do_resize:
print_title(dialog, title, width);
print_button(dialog, gettext(" Exit "), height - 2, width / 2 - 4, TRUE);
print_button(dialog, " Exit ", height - 2, width / 2 - 4, TRUE);
wnoutrefresh(dialog);
getyx(dialog, cur_y, cur_x); /* Save cursor position */

15
kconfig/lxdialog/util.c
View File

@ -1,22 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* util.c
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdarg.h>

19
kconfig/lxdialog/yesno.c
View File

@ -1,22 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* yesno.c -- implements the yes/no box
*
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
@ -29,8 +16,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
int x = width / 2 - 10;
int y = height - 2;
print_button(dialog, gettext(" Yes "), y, x, selected == 0);
print_button(dialog, gettext(" No "), y, x + 13, selected == 1);
print_button(dialog, " Yes ", y, x, selected == 0);
print_button(dialog, " No ", y, x + 13, selected == 1);
wmove(dialog, y, x + 1 + 13 * selected);
wrefresh(dialog);

165
kconfig/mconf.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*
* Introduced single menu mode (show all sub-menus in one large tree).
* 2002-11-06 Petr Baudis <pasky@ucw.cz>
@ -15,14 +15,14 @@
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <signal.h>
#include <unistd.h>
#include <locale.h>
#include "lkc.h"
#include "lxdialog/dialog.h"
static const char mconf_readme[] = N_(
static const char mconf_readme[] =
"Overview\n"
"--------\n"
"This interface lets you select features and parameters for the build.\n"
@ -171,37 +171,37 @@ static const char mconf_readme[] = N_(
" blackbg => selects a color scheme with black background\n"
" classic => theme with blue background. The classic look\n"
" bluetitle => an LCD friendly version of classic. (default)\n"
"\n"),
menu_instructions[] = N_(
"\n",
menu_instructions[] =
"Arrow keys navigate the menu. "
"<Enter> selects submenus ---> (or empty submenus ----). "
"Highlighted letters are hotkeys. "
"Pressing <Y> includes, <N> excludes, <M> modularizes features. "
"Press <Esc><Esc> to exit, <?> for Help, </> for Search. "
"Legend: [*] built-in [ ] excluded <M> module < > module capable"),
radiolist_instructions[] = N_(
"Legend: [*] built-in [ ] excluded <M> module < > module capable",
radiolist_instructions[] =
"Use the arrow keys to navigate this window or "
"press the hotkey of the item you wish to select "
"followed by the <SPACE BAR>. "
"Press <?> for additional information about this option."),
inputbox_instructions_int[] = N_(
"Press <?> for additional information about this option.",
inputbox_instructions_int[] =
"Please enter a decimal value. "
"Fractions will not be accepted. "
"Use the <TAB> key to move from the input field to the buttons below it."),
inputbox_instructions_hex[] = N_(
"Use the <TAB> key to move from the input field to the buttons below it.",
inputbox_instructions_hex[] =
"Please enter a hexadecimal value. "
"Use the <TAB> key to move from the input field to the buttons below it."),
inputbox_instructions_string[] = N_(
"Use the <TAB> key to move from the input field to the buttons below it.",
inputbox_instructions_string[] =
"Please enter a string value. "
"Use the <TAB> key to move from the input field to the buttons below it."),
setmod_text[] = N_(
"Use the <TAB> key to move from the input field to the buttons below it.",
setmod_text[] =
"This feature depends on another which has been configured as a module.\n"
"As a result, this feature will be built as a module."),
load_config_text[] = N_(
"As a result, this feature will be built as a module.",
load_config_text[] =
"Enter the name of the configuration file you wish to load. "
"Accept the name shown to restore the configuration you "
"last retrieved. Leave blank to abort."),
load_config_help[] = N_(
"last retrieved. Leave blank to abort.",
load_config_help[] =
"\n"
"For various reasons, one may wish to keep several different\n"
"configurations available on a single machine.\n"
@ -211,11 +211,11 @@ load_config_help[] = N_(
"configuration.\n"
"\n"
"If you are uncertain, then you have probably never used alternate\n"
"configuration files. You should therefore leave this blank to abort.\n"),
save_config_text[] = N_(
"configuration files. You should therefore leave this blank to abort.\n",
save_config_text[] =
"Enter a filename to which this configuration should be saved "
"as an alternate. Leave blank to abort."),
save_config_help[] = N_(
"as an alternate. Leave blank to abort.",
save_config_help[] =
"\n"
"For various reasons, one may wish to keep different configurations\n"
"available on a single machine.\n"
@ -225,8 +225,8 @@ save_config_help[] = N_(
"configuration options you have selected at that time.\n"
"\n"
"If you are uncertain what all this means then you should probably\n"
"leave this blank.\n"),
search_help[] = N_(
"leave this blank.\n",
search_help[] =
"\n"
"Search for symbols and display their relations.\n"
"Regular expressions are allowed.\n"
@ -246,7 +246,7 @@ search_help[] = N_(
" Selected by: BAR [=n]\n"
"-----------------------------------------------------------------\n"
"o The line 'Type:' shows the type of the configuration option for\n"
" this symbol (boolean, tristate, string, ...)\n"
" this symbol (bool, tristate, string, ...)\n"
"o The line 'Prompt:' shows the text used in the menu structure for\n"
" this symbol\n"
"o The 'Defined at' line tells at what file / line number the symbol\n"
@ -271,7 +271,7 @@ search_help[] = N_(
"Examples: USB => find all symbols containing USB\n"
" ^USB => find all symbols starting with USB\n"
" USB$ => find all symbols ending with USB\n"
"\n");
"\n";
static int indent;
static struct menu *current_menu;
@ -400,19 +400,19 @@ static void search_conf(void)
struct subtitle_part stpart;
title = str_new();
str_printf( &title, _("Enter (sub)string or regexp to search for "
"(with or without \"%s\")"), CONFIG_);
str_printf( &title, "Enter (sub)string or regexp to search for "
"(with or without \"%s\")", CONFIG_);
again:
dialog_clear();
dres = dialog_inputbox(_("Search Configuration Parameter"),
dres = dialog_inputbox("Search Configuration Parameter",
str_get(&title),
10, 75, "");
switch (dres) {
case 0:
break;
case 1:
show_helptext(_("Search Configuration"), search_help);
show_helptext("Search Configuration", search_help);
goto again;
default:
str_free(&title);
@ -443,7 +443,7 @@ again:
res = get_relations_str(sym_arr, &head);
set_subtitle();
dres = show_textbox_ext(_("Search Results"), (char *)
dres = show_textbox_ext("Search Results", (char *)
str_get(&res), 0, 0, keys, &vscroll,
&hscroll, &update_text, (void *)
&data);
@ -491,7 +491,6 @@ static void build_conf(struct menu *menu)
switch (prop->type) {
case P_MENU:
child_count++;
prompt = _(prompt);
if (single_menu_mode) {
item_make("%s%*c%s",
menu->data ? "-->" : "++>",
@ -508,7 +507,7 @@ static void build_conf(struct menu *menu)
case P_COMMENT:
if (prompt) {
child_count++;
item_make(" %*c*** %s ***", indent + 1, ' ', _(prompt));
item_make(" %*c*** %s ***", indent + 1, ' ', prompt);
item_set_tag(':');
item_set_data(menu);
}
@ -516,7 +515,7 @@ static void build_conf(struct menu *menu)
default:
if (prompt) {
child_count++;
item_make("---%*c%s", indent + 1, ' ', _(prompt));
item_make("---%*c%s", indent + 1, ' ', prompt);
item_set_tag(':');
item_set_data(menu);
}
@ -538,7 +537,7 @@ static void build_conf(struct menu *menu)
}
val = sym_get_tristate_value(sym);
if (sym_is_changable(sym)) {
if (sym_is_changeable(sym)) {
switch (type) {
case S_BOOLEAN:
item_make("[%c]", val == no ? ' ' : '*');
@ -560,10 +559,10 @@ static void build_conf(struct menu *menu)
item_set_data(menu);
}
item_add_str("%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
item_add_str("%*c%s", indent + 1, ' ', menu_get_prompt(menu));
if (val == yes) {
if (def_menu) {
item_add_str(" (%s)", _(menu_get_prompt(def_menu)));
item_add_str(" (%s)", menu_get_prompt(def_menu));
item_add_str(" --->");
if (def_menu->list) {
indent += 2;
@ -575,7 +574,7 @@ static void build_conf(struct menu *menu)
}
} else {
if (menu == current_menu) {
item_make("---%*c%s", indent + 1, ' ', _(menu_get_prompt(menu)));
item_make("---%*c%s", indent + 1, ' ', menu_get_prompt(menu));
item_set_tag(':');
item_set_data(menu);
goto conf_childs;
@ -589,7 +588,7 @@ static void build_conf(struct menu *menu)
} else {
switch (type) {
case S_BOOLEAN:
if (sym_is_changable(sym))
if (sym_is_changeable(sym))
item_make("[%c]", val == no ? ' ' : '*');
else
item_make("-%c-", val == no ? ' ' : '*');
@ -602,7 +601,7 @@ static void build_conf(struct menu *menu)
case mod: ch = 'M'; break;
default: ch = ' '; break;
}
if (sym_is_changable(sym)) {
if (sym_is_changeable(sym)) {
if (sym->rev_dep.tri == mod)
item_make("{%c}", ch);
else
@ -618,17 +617,17 @@ static void build_conf(struct menu *menu)
tmp = indent - tmp + 4;
if (tmp < 0)
tmp = 0;
item_add_str("%*c%s%s", tmp, ' ', _(menu_get_prompt(menu)),
(sym_has_value(sym) || !sym_is_changable(sym)) ?
"" : _(" (NEW)"));
item_add_str("%*c%s%s", tmp, ' ', menu_get_prompt(menu),
(sym_has_value(sym) || !sym_is_changeable(sym)) ?
"" : " (NEW)");
item_set_tag('s');
item_set_data(menu);
goto conf_childs;
}
}
item_add_str("%*c%s%s", indent + 1, ' ', _(menu_get_prompt(menu)),
(sym_has_value(sym) || !sym_is_changable(sym)) ?
"" : _(" (NEW)"));
item_add_str("%*c%s%s", indent + 1, ' ', menu_get_prompt(menu),
(sym_has_value(sym) || !sym_is_changeable(sym)) ?
"" : " (NEW)");
if (menu->prompt->type == P_MENU) {
item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
return;
@ -665,8 +664,8 @@ static void conf(struct menu *menu, struct menu *active_menu)
break;
set_subtitle();
dialog_clear();
res = dialog_menu(prompt ? _(prompt) : _("Main Menu"),
_(menu_instructions),
res = dialog_menu(prompt ? prompt : "Main Menu",
menu_instructions,
active_menu, &s_scroll);
if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
break;
@ -708,7 +707,7 @@ static void conf(struct menu *menu, struct menu *active_menu)
show_help(submenu);
else {
reset_subtitle();
show_helptext(_("README"), _(mconf_readme));
show_helptext("README", mconf_readme);
}
break;
case 3:
@ -773,16 +772,13 @@ static void show_helptext(const char *title, const char *text)
show_textbox(title, text, 0, 0);
}
static void conf_message_callback(const char *fmt, va_list ap)
static void conf_message_callback(const char *s)
{
char buf[PATH_MAX+1];
vsnprintf(buf, sizeof(buf), fmt, ap);
if (save_and_exit) {
if (!silent)
printf("%s", buf);
printf("%s", s);
} else {
show_textbox(NULL, buf, 6, 60);
show_textbox(NULL, s, 6, 60);
}
}
@ -793,13 +789,13 @@ static void show_help(struct menu *menu)
help.max_width = getmaxx(stdscr) - 10;
menu_get_ext_help(menu, &help);
show_helptext(_(menu_get_prompt(menu)), str_get(&help));
show_helptext(menu_get_prompt(menu), str_get(&help));
str_free(&help);
}
static void conf_choice(struct menu *menu)
{
const char *prompt = _(menu_get_prompt(menu));
const char *prompt = menu_get_prompt(menu);
struct menu *child;
struct symbol *active;
@ -814,9 +810,9 @@ static void conf_choice(struct menu *menu)
if (!menu_is_visible(child))
continue;
if (child->sym)
item_make("%s", _(menu_get_prompt(child)));
item_make("%s", menu_get_prompt(child));
else {
item_make("*** %s ***", _(menu_get_prompt(child)));
item_make("*** %s ***", menu_get_prompt(child));
item_set_tag(':');
}
item_set_data(child);
@ -826,8 +822,8 @@ static void conf_choice(struct menu *menu)
item_set_tag('X');
}
dialog_clear();
res = dialog_checklist(prompt ? _(prompt) : _("Main Menu"),
_(radiolist_instructions),
res = dialog_checklist(prompt ? prompt : "Main Menu",
radiolist_instructions,
MENUBOX_HEIGTH_MIN,
MENUBOX_WIDTH_MIN,
CHECKLIST_HEIGTH_MIN);
@ -868,26 +864,26 @@ static void conf_string(struct menu *menu)
switch (sym_get_type(menu->sym)) {
case S_INT:
heading = _(inputbox_instructions_int);
heading = inputbox_instructions_int;
break;
case S_HEX:
heading = _(inputbox_instructions_hex);
heading = inputbox_instructions_hex;
break;
case S_STRING:
heading = _(inputbox_instructions_string);
heading = inputbox_instructions_string;
break;
default:
heading = _("Internal mconf error!");
heading = "Internal mconf error!";
}
dialog_clear();
res = dialog_inputbox(prompt ? _(prompt) : _("Main Menu"),
res = dialog_inputbox(prompt ? prompt : "Main Menu",
heading, 10, 75,
sym_get_string_value(menu->sym));
switch (res) {
case 0:
if (sym_set_string_value(menu->sym, dialog_input_result))
return;
show_textbox(NULL, _("You have made an invalid entry."), 5, 43);
show_textbox(NULL, "You have made an invalid entry.", 5, 43);
break;
case 1:
show_help(menu);
@ -915,10 +911,10 @@ static void conf_load(void)
sym_set_change_count(1);
return;
}
show_textbox(NULL, _("File does not exist!"), 5, 38);
show_textbox(NULL, "File does not exist!", 5, 38);
break;
case 1:
show_helptext(_("Load Alternate Configuration"), load_config_help);
show_helptext("Load Alternate Configuration", load_config_help);
break;
case KEY_ESC:
return;
@ -941,10 +937,10 @@ static void conf_save(void)
set_config_filename(dialog_input_result);
return;
}
show_textbox(NULL, _("Can't create file! Probably a nonexistent directory."), 5, 60);
show_textbox(NULL, "Can't create file!", 5, 60);
break;
case 1:
show_helptext(_("Save Alternate Configuration"), save_config_help);
show_helptext("Save Alternate Configuration", save_config_help);
break;
case KEY_ESC:
return;
@ -961,8 +957,8 @@ static int handle_exit(void)
dialog_clear();
if (conf_get_changed())
res = dialog_yesno(NULL,
_("Do you wish to save your new configuration?\n"
"(Press <ESC><ESC> to continue Crosstool-NG configuration.)"),
"Do you wish to save your new configuration?\n"
"(Press <ESC><ESC> to continue Crosstool-NG configuration.)",
6, 60);
else
res = -1;
@ -972,26 +968,27 @@ static int handle_exit(void)
switch (res) {
case 0:
if (conf_write(filename)) {
fprintf(stderr, _("\n\n"
fprintf(stderr, "\n\n"
"Error while writing of the configuration.\n"
"Your configuration changes were NOT saved."
"\n\n"));
"\n\n");
return 1;
}
conf_write_autoconf(0);
/* fall through */
case -1:
if (!silent)
printf(_("\n\n"
printf("\n\n"
"*** End of the configuration.\n"
"*** Execute 'ct-ng build' to start the build or try 'ct-ng help'."
"\n\n"));
"\n\n");
res = 0;
break;
default:
if (!silent)
fprintf(stderr, _("\n\n"
fprintf(stderr, "\n\n"
"Your configuration changes were NOT saved."
"\n\n"));
"\n\n");
if (res != KEY_ESC)
res = 0;
}
@ -1009,10 +1006,6 @@ int main(int ac, char **av)
char *mode;
int res;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
signal(SIGINT, sig_handler);
if (ac > 1 && strcmp(av[1], "-s") == 0) {
@ -1031,8 +1024,8 @@ int main(int ac, char **av)
}
if (init_dialog(NULL)) {
fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
fprintf(stderr, "Your display is too small to run Menuconfig!\n");
fprintf(stderr, "It must be at least 19 lines by 80 columns.\n");
return 1;
}

435
kconfig/menu.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <ctype.h>
@ -62,15 +62,11 @@ void menu_add_entry(struct symbol *sym)
menu_add_symbol(P_SYMBOL, sym, NULL);
}
void menu_end_entry(void)
{
}
struct menu *menu_add_menu(void)
{
menu_end_entry();
last_entry_ptr = &current_entry->list;
return current_menu = current_entry;
current_menu = current_entry;
return current_menu;
}
void menu_end_menu(void)
@ -79,19 +75,23 @@ void menu_end_menu(void)
current_menu = current_menu->parent;
}
static struct expr *menu_check_dep(struct expr *e)
/*
* Rewrites 'm' to 'm' && MODULES, so that it evaluates to 'n' when running
* without modules
*/
static struct expr *rewrite_m(struct expr *e)
{
if (!e)
return e;
switch (e->type) {
case E_NOT:
e->left.expr = menu_check_dep(e->left.expr);
e->left.expr = rewrite_m(e->left.expr);
break;
case E_OR:
case E_AND:
e->left.expr = menu_check_dep(e->left.expr);
e->right.expr = menu_check_dep(e->right.expr);
e->left.expr = rewrite_m(e->left.expr);
e->right.expr = rewrite_m(e->right.expr);
break;
case E_SYMBOL:
/* change 'm' into 'm' && MODULES */
@ -106,7 +106,7 @@ static struct expr *menu_check_dep(struct expr *e)
void menu_add_dep(struct expr *dep)
{
current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
current_entry->dep = expr_alloc_and(current_entry->dep, dep);
}
void menu_set_type(int type)
@ -125,65 +125,74 @@ void menu_set_type(int type)
sym_type_name(sym->type), sym_type_name(type));
}
static struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
static struct property *menu_add_prop(enum prop_type type, struct expr *expr,
struct expr *dep)
{
struct property *prop = prop_alloc(type, current_entry->sym);
struct property *prop;
prop = xmalloc(sizeof(*prop));
memset(prop, 0, sizeof(*prop));
prop->type = type;
prop->file = current_file;
prop->lineno = zconf_lineno();
prop->menu = current_entry;
prop->expr = expr;
prop->visible.expr = menu_check_dep(dep);
prop->visible.expr = dep;
if (prompt) {
/* For crostool-NG, a leading pipe followed with spaces
* means that pipe shall be removed, and the spaces should
* not be trimmed.
*/
if (*prompt == '|')
prompt++;
else if (isspace(*prompt)) {
prop_warn(prop, "leading whitespace ignored");
while (isspace(*prompt))
prompt++;
}
if (current_entry->prompt && current_entry != &rootmenu)
prop_warn(prop, "prompt redefined");
/* append property to the prop list of symbol */
if (current_entry->sym) {
struct property **propp;
/* Apply all upper menus' visibilities to actual prompts. */
if(type == P_PROMPT) {
struct menu *menu = current_entry;
while ((menu = menu->parent) != NULL) {
struct expr *dup_expr;
if (!menu->visibility)
continue;
/*
* Do not add a reference to the
* menu's visibility expression but
* use a copy of it. Otherwise the
* expression reduction functions
* will modify expressions that have
* multiple references which can
* cause unwanted side effects.
*/
dup_expr = expr_copy(menu->visibility);
prop->visible.expr
= expr_alloc_and(prop->visible.expr,
dup_expr);
}
}
current_entry->prompt = prop;
for (propp = &current_entry->sym->prop;
*propp;
propp = &(*propp)->next)
;
*propp = prop;
}
prop->text = prompt;
return prop;
}
struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
struct property *menu_add_prompt(enum prop_type type, char *prompt,
struct expr *dep)
{
return menu_add_prop(type, prompt, NULL, dep);
struct property *prop = menu_add_prop(type, NULL, dep);
if (isspace(*prompt)) {
prop_warn(prop, "leading whitespace ignored");
while (isspace(*prompt))
prompt++;
}
if (current_entry->prompt)
prop_warn(prop, "prompt redefined");
/* Apply all upper menus' visibilities to actual prompts. */
if (type == P_PROMPT) {
struct menu *menu = current_entry;
while ((menu = menu->parent) != NULL) {
struct expr *dup_expr;
if (!menu->visibility)
continue;
/*
* Do not add a reference to the menu's visibility
* expression but use a copy of it. Otherwise the
* expression reduction functions will modify
* expressions that have multiple references which
* can cause unwanted side effects.
*/
dup_expr = expr_copy(menu->visibility);
prop->visible.expr = expr_alloc_and(prop->visible.expr,
dup_expr);
}
}
current_entry->prompt = prop;
prop->text = prompt;
return prop;
}
void menu_add_visibility(struct expr *expr)
@ -194,39 +203,34 @@ void menu_add_visibility(struct expr *expr)
void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
{
menu_add_prop(type, NULL, expr, dep);
menu_add_prop(type, expr, dep);
}
void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
{
menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
menu_add_prop(type, expr_alloc_symbol(sym), dep);
}
void menu_add_option(int token, char *arg)
void menu_add_option_modules(void)
{
switch (token) {
case T_OPT_MODULES:
if (modules_sym)
zconf_error("symbol '%s' redefines option 'modules'"
" already defined by symbol '%s'",
current_entry->sym->name,
modules_sym->name
);
modules_sym = current_entry->sym;
break;
case T_OPT_DEFCONFIG_LIST:
if (!sym_defconfig_list)
sym_defconfig_list = current_entry->sym;
else if (sym_defconfig_list != current_entry->sym)
zconf_error("trying to redefine defconfig symbol");
break;
case T_OPT_ENV:
prop_add_env(arg);
break;
case T_OPT_ALLNOCONFIG_Y:
current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
break;
}
if (modules_sym)
zconf_error("symbol '%s' redefines option 'modules' already defined by symbol '%s'",
current_entry->sym->name, modules_sym->name);
modules_sym = current_entry->sym;
}
void menu_add_option_defconfig_list(void)
{
if (!sym_defconfig_list)
sym_defconfig_list = current_entry->sym;
else if (sym_defconfig_list != current_entry->sym)
zconf_error("trying to redefine defconfig symbol");
sym_defconfig_list->flags |= SYMBOL_NO_WRITE;
}
void menu_add_option_allnoconfig_y(void)
{
current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
}
static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
@ -258,6 +262,16 @@ static void sym_check_prop(struct symbol *sym)
"'%s': number is invalid",
sym->name);
}
if (sym_is_choice(sym)) {
struct property *choice_prop =
sym_get_choice_prop(sym2);
if (!choice_prop ||
prop_get_symbol(choice_prop) != sym)
prop_warn(prop,
"choice default symbol '%s' is not contained in the choice",
sym2->name);
}
break;
case P_SELECT:
case P_IMPLY:
@ -266,13 +280,13 @@ static void sym_check_prop(struct symbol *sym)
if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
prop_warn(prop,
"config symbol '%s' uses %s, but is "
"not boolean or tristate", sym->name, use);
"not bool or tristate", sym->name, use);
else if (sym2->type != S_UNKNOWN &&
sym2->type != S_BOOLEAN &&
sym2->type != S_TRISTATE)
prop_warn(prop,
"'%s' has wrong type. '%s' only "
"accept arguments of boolean and "
"accept arguments of bool and "
"tristate type", sym2->name, use);
break;
case P_RANGE:
@ -298,6 +312,11 @@ void menu_finalize(struct menu *parent)
sym = parent->sym;
if (parent->list) {
/*
* This menu node has children. We (recursively) process them
* and propagate parent dependencies before moving on.
*/
if (sym && sym_is_choice(sym)) {
if (sym->type == S_UNKNOWN) {
/* find the first choice value to find out choice type */
@ -315,30 +334,81 @@ void menu_finalize(struct menu *parent)
if (menu->sym && menu->sym->type == S_UNKNOWN)
menu_set_type(sym->type);
}
parentdep = expr_alloc_symbol(sym);
} else if (parent->prompt)
parentdep = parent->prompt->visible.expr;
else
parentdep = parent->dep;
/*
* Use the choice itself as the parent dependency of
* the contained items. This turns the mode of the
* choice into an upper bound on the visibility of the
* choice value symbols.
*/
parentdep = expr_alloc_symbol(sym);
} else {
/* Menu node for 'menu', 'if' */
parentdep = parent->dep;
}
/* For each child menu node... */
for (menu = parent->list; menu; menu = menu->next) {
basedep = expr_transform(menu->dep);
/*
* Propagate parent dependencies to the child menu
* node, also rewriting and simplifying expressions
*/
basedep = rewrite_m(menu->dep);
basedep = expr_transform(basedep);
basedep = expr_alloc_and(expr_copy(parentdep), basedep);
basedep = expr_eliminate_dups(basedep);
menu->dep = basedep;
if (menu->sym)
/*
* Note: For symbols, all prompts are included
* too in the symbol's own property list
*/
prop = menu->sym->prop;
else
/*
* For non-symbol menu nodes, we just need to
* handle the prompt
*/
prop = menu->prompt;
/* For each property... */
for (; prop; prop = prop->next) {
if (prop->menu != menu)
/*
* Two possibilities:
*
* 1. The property lacks dependencies
* and so isn't location-specific,
* e.g. an 'option'
*
* 2. The property belongs to a symbol
* defined in multiple locations and
* is from some other location. It
* will be handled there in that
* case.
*
* Skip the property.
*/
continue;
dep = expr_transform(prop->visible.expr);
/*
* Propagate parent dependencies to the
* property's condition, rewriting and
* simplifying expressions at the same time
*/
dep = rewrite_m(prop->visible.expr);
dep = expr_transform(dep);
dep = expr_alloc_and(expr_copy(basedep), dep);
dep = expr_eliminate_dups(dep);
if (menu->sym && menu->sym->type != S_TRISTATE)
dep = expr_trans_bool(dep);
prop->visible.expr = dep;
/*
* Handle selects and implies, which modify the
* dependencies of the selected/implied symbol
*/
if (prop->type == P_SELECT) {
struct symbol *es = prop_get_symbol(prop);
es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
@ -350,34 +420,81 @@ void menu_finalize(struct menu *parent)
}
}
}
if (sym && sym_is_choice(sym))
expr_free(parentdep);
/*
* Recursively process children in the same fashion before
* moving on
*/
for (menu = parent->list; menu; menu = menu->next)
menu_finalize(menu);
} else if (sym) {
/*
* Automatic submenu creation. If sym is a symbol and A, B, C,
* ... are consecutive items (symbols, menus, ifs, etc.) that
* all depend on sym, then the following menu structure is
* created:
*
* sym
* +-A
* +-B
* +-C
* ...
*
* This also works recursively, giving the following structure
* if A is a symbol and B depends on A:
*
* sym
* +-A
* | +-B
* +-C
* ...
*/
basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
basedep = expr_eliminate_dups(expr_transform(basedep));
/* Examine consecutive elements after sym */
last_menu = NULL;
for (menu = parent->next; menu; menu = menu->next) {
dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
if (!expr_contains_symbol(dep, sym))
/* No dependency, quit */
break;
if (expr_depends_symbol(dep, sym))
/* Absolute dependency, put in submenu */
goto next;
/*
* Also consider it a dependency on sym if our
* dependencies contain sym and are a "superset" of
* sym's dependencies, e.g. '(sym || Q) && R' when sym
* depends on R.
*
* Note that 'R' might be from an enclosing menu or if,
* making this a more common case than it might seem.
*/
dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
dep = expr_eliminate_dups(expr_transform(dep));
dep2 = expr_copy(basedep);
expr_eliminate_eq(&dep, &dep2);
expr_free(dep);
if (!expr_is_yes(dep2)) {
/* Not superset, quit */
expr_free(dep2);
break;
}
/* Superset, put in submenu */
expr_free(dep2);
next:
menu_finalize(menu);
menu->parent = parent;
last_menu = menu;
}
expr_free(basedep);
if (last_menu) {
parent->list = parent->next;
parent->next = last_menu->next;
@ -426,6 +543,35 @@ void menu_finalize(struct menu *parent)
*ep = expr_alloc_one(E_LIST, NULL);
(*ep)->right.sym = menu->sym;
}
/*
* This code serves two purposes:
*
* (1) Flattening 'if' blocks, which do not specify a submenu
* and only add dependencies.
*
* (Automatic submenu creation might still create a submenu
* from an 'if' before this code runs.)
*
* (2) "Undoing" any automatic submenus created earlier below
* promptless symbols.
*
* Before:
*
* A
* if ... (or promptless symbol)
* +-B
* +-C
* D
*
* After:
*
* A
* if ... (or promptless symbol)
* B
* C
* D
*/
if (menu->list && (!menu->prompt || !menu->prompt->text)) {
for (last_menu = menu->list; ; last_menu = last_menu->next) {
last_menu->parent = parent;
@ -450,6 +596,15 @@ void menu_finalize(struct menu *parent)
sym->flags |= SYMBOL_WARNED;
}
/*
* For non-optional choices, add a reverse dependency (corresponding to
* a select) of '<visibility> && m'. This prevents the user from
* setting the choice mode to 'n' when the choice is visible.
*
* This would also work for non-choice symbols, but only non-optional
* choices clear SYMBOL_OPTIONAL as of writing. Choices are implemented
* as a type of symbol.
*/
if (sym && !sym_is_optional(sym) && parent->prompt) {
sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
expr_alloc_and(parent->prompt->visible.expr,
@ -557,6 +712,21 @@ const char *menu_get_help(struct menu *menu)
return "";
}
static void get_def_str(struct gstr *r, struct menu *menu)
{
str_printf(r, "Defined at %s:%d\n",
menu->file->name, menu->lineno);
}
static void get_dep_str(struct gstr *r, struct expr *expr, const char *prefix)
{
if (!expr_is_yes(expr)) {
str_append(r, prefix);
expr_gstr_print(expr, r);
str_append(r, "\n");
}
}
static void get_prompt_str(struct gstr *r, struct property *prop,
struct list_head *head)
{
@ -564,7 +734,20 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
struct menu *submenu[8], *menu, *location = NULL;
struct jump_key *jump = NULL;
str_printf(r, _("Prompt: %s\n"), _(prop->text));
str_printf(r, " Prompt: %s\n", prop->text);
get_dep_str(r, prop->menu->dep, " Depends on: ");
/*
* Most prompts in Linux have visibility that exactly matches their
* dependencies. For these, we print only the dependencies to improve
* readability. However, prompts with inline "if" expressions and
* prompts with a parent that has a "visible if" expression have
* differing dependencies and visibility. In these rare cases, we
* print both.
*/
if (!expr_eq(prop->menu->dep, prop->visible.expr))
get_dep_str(r, prop->visible.expr, " Visible if: ");
menu = prop->menu->parent;
for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
bool accessible = menu_is_visible(menu);
@ -597,16 +780,16 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
}
if (i > 0) {
str_printf(r, _(" Location:\n"));
str_printf(r, " Location:\n");
for (j = 4; --i >= 0; j += 2) {
menu = submenu[i];
if (jump && menu == location)
jump->offset = strlen(r->s);
str_printf(r, "%*c-> %s", j, ' ',
_(menu_get_prompt(menu)));
menu_get_prompt(menu));
if (menu->sym) {
str_printf(r, " (%s [=%s])", menu->sym->name ?
menu->sym->name : _("<choice>"),
menu->sym->name : "<choice>",
sym_get_string_value(menu->sym));
}
str_append(r, "\n");
@ -614,18 +797,6 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
}
}
/*
* get property of type P_SYMBOL
*/
static struct property *get_symbol_prop(struct symbol *sym)
{
struct property *prop = NULL;
for_all_properties(sym, prop, P_SYMBOL)
break;
return prop;
}
static void get_symbol_props_str(struct gstr *r, struct symbol *sym,
enum prop_type tok, const char *prefix)
{
@ -665,32 +836,34 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym,
}
}
}
for_all_prompts(sym, prop)
get_prompt_str(r, prop, head);
prop = get_symbol_prop(sym);
if (prop) {
str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
prop->menu->lineno);
if (!expr_is_yes(prop->visible.expr)) {
str_append(r, _(" Depends on: "));
expr_gstr_print(prop->visible.expr, r);
str_append(r, "\n");
/* Print the definitions with prompts before the ones without */
for_all_properties(sym, prop, P_SYMBOL) {
if (prop->menu->prompt) {
get_def_str(r, prop->menu);
get_prompt_str(r, prop->menu->prompt, head);
}
}
get_symbol_props_str(r, sym, P_SELECT, _(" Selects: "));
if (sym->rev_dep.expr) {
str_append(r, _(" Selected by: "));
expr_gstr_print(sym->rev_dep.expr, r);
str_append(r, "\n");
for_all_properties(sym, prop, P_SYMBOL) {
if (!prop->menu->prompt) {
get_def_str(r, prop->menu);
get_dep_str(r, prop->menu->dep, " Depends on: ");
}
}
get_symbol_props_str(r, sym, P_IMPLY, _(" Implies: "));
get_symbol_props_str(r, sym, P_SELECT, "Selects: ");
if (sym->rev_dep.expr) {
expr_gstr_print_revdep(sym->rev_dep.expr, r, yes, "Selected by [y]:\n");
expr_gstr_print_revdep(sym->rev_dep.expr, r, mod, "Selected by [m]:\n");
expr_gstr_print_revdep(sym->rev_dep.expr, r, no, "Selected by [n]:\n");
}
get_symbol_props_str(r, sym, P_IMPLY, "Implies: ");
if (sym->implied.expr) {
str_append(r, _(" Implied by: "));
expr_gstr_print(sym->implied.expr, r);
str_append(r, "\n");
expr_gstr_print_revdep(sym->implied.expr, r, yes, "Implied by [y]:\n");
expr_gstr_print_revdep(sym->implied.expr, r, mod, "Implied by [m]:\n");
expr_gstr_print_revdep(sym->implied.expr, r, no, "Implied by [n]:\n");
}
str_append(r, "\n\n");
@ -705,7 +878,7 @@ struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
get_symbol_str(&res, sym, head);
if (!i)
str_append(&res, _("No matches found.\n"));
str_append(&res, "No matches found.\n");
return res;
}
@ -720,7 +893,7 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help)
str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
help_text = menu_get_help(menu);
}
str_printf(help, "%s\n", _(help_text));
str_printf(help, "%s\n", help_text);
if (sym)
get_symbol_str(help, sym, NULL);
}

172
kconfig/nconf.c
View File

@ -1,21 +1,21 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com?
* Released under the terms of the GNU GPL v2.0.
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com>
*
* Derived from menuconfig.
*
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "lkc.h"
#include "nconf.h"
#include <ctype.h>
static const char nconf_global_help[] = N_(
static const char nconf_global_help[] =
"Help windows\n"
"------------\n"
"o Global help: Unless in a data entry window, pressing <F1> will give \n"
@ -133,8 +133,8 @@ static const char nconf_global_help[] = N_(
"\n"
"Note that this mode can eventually be a little more CPU expensive than\n"
"the default mode, especially with a larger number of unfolded submenus.\n"
"\n"),
menu_no_f_instructions[] = N_(
"\n",
menu_no_f_instructions[] =
"Legend: [*] built-in [ ] excluded <M> automatic < > automatic capable.\n"
"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
"\n"
@ -150,8 +150,8 @@ menu_no_f_instructions[] = N_(
"You do not have function keys support.\n"
"Press <1> instead of <F1>, <2> instead of <F2>, etc.\n"
"For verbose global help use key <1>.\n"
"For help related to the current menu entry press <?> or <h>.\n"),
menu_instructions[] = N_(
"For help related to the current menu entry press <?> or <h>.\n",
menu_instructions[] =
"Legend: [*] built-in [ ] excluded <M> automatic < > automatic capable.\n"
"Submenus are designated by a trailing \"--->\", empty ones by \"----\".\n"
"\n"
@ -166,30 +166,30 @@ menu_instructions[] = N_(
"\n"
"Pressing <1> may be used instead of <F1>, <2> instead of <F2>, etc.\n"
"For verbose global help press <F1>.\n"
"For help related to the current menu entry press <?> or <h>.\n"),
radiolist_instructions[] = N_(
"For help related to the current menu entry press <?> or <h>.\n",
radiolist_instructions[] =
"Press <Up>, <Down>, <Home> or <End> to navigate a radiolist, select\n"
"with <Space>.\n"
"For help related to the current entry press <?> or <h>.\n"
"For global help press <F1>.\n"),
inputbox_instructions_int[] = N_(
"For global help press <F1>.\n",
inputbox_instructions_int[] =
"Please enter a decimal value.\n"
"Fractions will not be accepted.\n"
"Press <Enter> to apply, <Esc> to cancel."),
inputbox_instructions_hex[] = N_(
"Press <Enter> to apply, <Esc> to cancel.",
inputbox_instructions_hex[] =
"Please enter a hexadecimal value.\n"
"Press <Enter> to apply, <Esc> to cancel."),
inputbox_instructions_string[] = N_(
"Press <Enter> to apply, <Esc> to cancel.",
inputbox_instructions_string[] =
"Please enter a string value.\n"
"Press <Enter> to apply, <Esc> to cancel."),
setmod_text[] = N_(
"Press <Enter> to apply, <Esc> to cancel.",
setmod_text[] =
"This feature depends on another feature which has been configured as\n"
"automatic. As a result, the current feature will be built as automatic too."),
load_config_text[] = N_(
"automatic. As a result, the current feature will be built as automatic too.",
load_config_text[] =
"Enter the name of the configuration file you wish to load.\n"
"Accept the name shown to restore the configuration you last\n"
"retrieved. Leave empty to abort."),
load_config_help[] = N_(
"retrieved. Leave empty to abort.",
load_config_help[] =
"For various reasons, one may wish to keep several different\n"
"configurations available on a single machine.\n"
"\n"
@ -197,11 +197,11 @@ load_config_help[] = N_(
"default one, entering its name here will allow you to load and modify\n"
"that configuration.\n"
"\n"
"Leave empty to abort.\n"),
save_config_text[] = N_(
"Leave empty to abort.\n",
save_config_text[] =
"Enter a filename to which this configuration should be saved\n"
"as an alternate. Leave empty to abort."),
save_config_help[] = N_(
"as an alternate. Leave empty to abort.",
save_config_help[] =
"For various reasons, one may wish to keep several different\n"
"configurations available on a single machine.\n"
"\n"
@ -209,8 +209,8 @@ save_config_help[] = N_(
"and use the current configuration as an alternate to whatever\n"
"configuration options you have selected at that time.\n"
"\n"
"Leave empty to abort.\n"),
search_help[] = N_(
"Leave empty to abort.\n",
search_help[] =
"Search for symbols (configuration variable names CONFIG_*) and display\n"
"their relations. Regular expressions are supported.\n"
"Example: Search for \"^FOO\".\n"
@ -247,7 +247,7 @@ search_help[] = N_(
"USB => find all symbols containing USB\n"
"^USB => find all symbols starting with USB\n"
"USB$ => find all symbols ending with USB\n"
"\n");
"\n";
struct mitem {
char str[256];
@ -391,7 +391,7 @@ static void print_function_line(void)
static void handle_f1(int *key, struct menu *current_item)
{
show_scroll_win(main_window,
_("Global help"), _(nconf_global_help));
"Global help", nconf_global_help);
return;
}
@ -406,8 +406,8 @@ static void handle_f2(int *key, struct menu *current_item)
static void handle_f3(int *key, struct menu *current_item)
{
show_scroll_win(main_window,
_("Short help"),
_(current_instructions));
"Short help",
current_instructions);
return;
}
@ -415,7 +415,7 @@ static void handle_f3(int *key, struct menu *current_item)
static void handle_f4(int *key, struct menu *current_item)
{
int res = btn_dialog(main_window,
_("Show all symbols?"),
"Show all symbols?",
2,
" <Show All> ",
"<Don't show all>");
@ -656,8 +656,8 @@ static int do_exit(void)
return 0;
}
res = btn_dialog(main_window,
_("Do you wish to save your new configuration?\n"
"<ESC> to cancel and resume nconfig."),
"Do you wish to save your new configuration?\n"
"<ESC> to cancel and resume nconfig.",
2,
" <save> ",
"<don't save>");
@ -673,15 +673,16 @@ static int do_exit(void)
if (res)
btn_dialog(
main_window,
_("Error during writing of configuration.\n"
"Your configuration changes were NOT saved."),
"Error during writing of configuration.\n"
"Your configuration changes were NOT saved.",
1,
"<OK>");
conf_write_autoconf(0);
break;
default:
btn_dialog(
main_window,
_("Your configuration changes were NOT saved."),
"Your configuration changes were NOT saved.",
1,
"<OK>");
break;
@ -700,12 +701,12 @@ static void search_conf(void)
int dres;
title = str_new();
str_printf( &title, _("Enter (sub)string or regexp to search for "
"(with or without \"%s\")"), CONFIG_);
str_printf( &title, "Enter (sub)string or regexp to search for "
"(with or without \"%s\")", CONFIG_);
again:
dres = dialog_inputbox(main_window,
_("Search Configuration Parameter"),
"Search Configuration Parameter",
str_get(&title),
"", &dialog_input_result, &dialog_input_result_len);
switch (dres) {
@ -713,7 +714,7 @@ again:
break;
case 1:
show_scroll_win(main_window,
_("Search Configuration"), search_help);
"Search Configuration", search_help);
goto again;
default:
str_free(&title);
@ -729,7 +730,7 @@ again:
res = get_relations_str(sym_arr, NULL);
free(sym_arr);
show_scroll_win(main_window,
_("Search Results"), str_get(&res));
"Search Results", str_get(&res));
str_free(&res);
str_free(&title);
}
@ -757,7 +758,6 @@ static void build_conf(struct menu *menu)
switch (ptype) {
case P_MENU:
child_count++;
prompt = _(prompt);
if (single_menu_mode) {
item_make(menu, 'm',
"%s%*c%s",
@ -778,7 +778,7 @@ static void build_conf(struct menu *menu)
item_make(menu, ':',
" %*c*** %s ***",
indent + 1, ' ',
_(prompt));
prompt);
}
break;
default:
@ -786,7 +786,7 @@ static void build_conf(struct menu *menu)
child_count++;
item_make(menu, ':', "---%*c%s",
indent + 1, ' ',
_(prompt));
prompt);
}
}
} else
@ -806,7 +806,7 @@ static void build_conf(struct menu *menu)
}
val = sym_get_tristate_value(sym);
if (sym_is_changable(sym)) {
if (sym_is_changeable(sym)) {
switch (type) {
case S_BOOLEAN:
item_make(menu, 't', "[%c]",
@ -832,11 +832,11 @@ static void build_conf(struct menu *menu)
}
item_add_str("%*c%s", indent + 1,
' ', _(menu_get_prompt(menu)));
' ', menu_get_prompt(menu));
if (val == yes) {
if (def_menu) {
item_add_str(" (%s)",
_(menu_get_prompt(def_menu)));
menu_get_prompt(def_menu));
item_add_str(" --->");
if (def_menu->list) {
indent += 2;
@ -850,7 +850,7 @@ static void build_conf(struct menu *menu)
if (menu == current_menu) {
item_make(menu, ':',
"---%*c%s", indent + 1,
' ', _(menu_get_prompt(menu)));
' ', menu_get_prompt(menu));
goto conf_childs;
}
child_count++;
@ -860,7 +860,7 @@ static void build_conf(struct menu *menu)
} else {
switch (type) {
case S_BOOLEAN:
if (sym_is_changable(sym))
if (sym_is_changeable(sym))
item_make(menu, 't', "[%c]",
val == no ? ' ' : '*');
else
@ -879,7 +879,7 @@ static void build_conf(struct menu *menu)
ch = ' ';
break;
}
if (sym_is_changable(sym)) {
if (sym_is_changeable(sym)) {
if (sym->rev_dep.tri == mod)
item_make(menu,
't', "{%c}", ch);
@ -897,17 +897,17 @@ static void build_conf(struct menu *menu)
if (tmp < 0)
tmp = 0;
item_add_str("%*c%s%s", tmp, ' ',
_(menu_get_prompt(menu)),
menu_get_prompt(menu),
(sym_has_value(sym) ||
!sym_is_changable(sym)) ? "" :
_(" (NEW)"));
!sym_is_changeable(sym)) ? "" :
" (NEW)");
goto conf_childs;
}
}
item_add_str("%*c%s%s", indent + 1, ' ',
_(menu_get_prompt(menu)),
(sym_has_value(sym) || !sym_is_changable(sym)) ?
"" : _(" (NEW)"));
menu_get_prompt(menu),
(sym_has_value(sym) || !sym_is_changeable(sym)) ?
"" : " (NEW)");
if (menu->prompt && menu->prompt->type == P_MENU) {
item_add_str(" %s", menu_is_empty(menu) ? "----" : "--->");
return;
@ -1051,7 +1051,7 @@ static int do_match(int key, struct match_state *state, int *ans)
state->match_direction = FIND_NEXT_MATCH_UP;
*ans = get_mext_match(state->pattern,
state->match_direction);
} else if (key == KEY_BACKSPACE || key == 127) {
} else if (key == KEY_BACKSPACE || key == 8 || key == 127) {
state->pattern[strlen(state->pattern)-1] = '\0';
adj_match_dir(&state->match_direction);
} else
@ -1089,8 +1089,8 @@ static void conf(struct menu *menu)
if (!child_count)
break;
show_menu(prompt ? _(prompt) : _("Main Menu"),
_(menu_instructions),
show_menu(prompt ? prompt : "Main Menu",
menu_instructions,
current_index, &last_top_row);
keypad((menu_win(curses_menu)), TRUE);
while (!global_exit) {
@ -1213,12 +1213,9 @@ static void conf(struct menu *menu)
}
}
static void conf_message_callback(const char *fmt, va_list ap)
static void conf_message_callback(const char *s)
{
char buf[1024];
vsnprintf(buf, sizeof(buf), fmt, ap);
btn_dialog(main_window, buf, 1, "<OK>");
btn_dialog(main_window, s, 1, "<OK>");
}
static void show_help(struct menu *menu)
@ -1230,13 +1227,13 @@ static void show_help(struct menu *menu)
help = str_new();
menu_get_ext_help(menu, &help);
show_scroll_win(main_window, _(menu_get_prompt(menu)), str_get(&help));
show_scroll_win(main_window, menu_get_prompt(menu), str_get(&help));
str_free(&help);
}
static void conf_choice(struct menu *menu)
{
const char *prompt = _(menu_get_prompt(menu));
const char *prompt = menu_get_prompt(menu);
struct menu *child = NULL;
struct symbol *active;
int selected_index = 0;
@ -1259,13 +1256,13 @@ static void conf_choice(struct menu *menu)
if (child->sym == sym_get_choice_value(menu->sym))
item_make(child, ':', "<X> %s",
_(menu_get_prompt(child)));
menu_get_prompt(child));
else if (child->sym)
item_make(child, ':', " %s",
_(menu_get_prompt(child)));
menu_get_prompt(child));
else
item_make(child, ':', "*** %s ***",
_(menu_get_prompt(child)));
menu_get_prompt(child));
if (child->sym == active){
last_top_row = top_row(curses_menu);
@ -1273,8 +1270,8 @@ static void conf_choice(struct menu *menu)
}
i++;
}
show_menu(prompt ? _(prompt) : _("Choice Menu"),
_(radiolist_instructions),
show_menu(prompt ? prompt : "Choice Menu",
radiolist_instructions,
selected_index,
&last_top_row);
while (!global_exit) {
@ -1361,19 +1358,19 @@ static void conf_string(struct menu *menu)
switch (sym_get_type(menu->sym)) {
case S_INT:
heading = _(inputbox_instructions_int);
heading = inputbox_instructions_int;
break;
case S_HEX:
heading = _(inputbox_instructions_hex);
heading = inputbox_instructions_hex;
break;
case S_STRING:
heading = _(inputbox_instructions_string);
heading = inputbox_instructions_string;
break;
default:
heading = _("Internal nconf error!");
heading = "Internal nconf error!";
}
res = dialog_inputbox(main_window,
prompt ? _(prompt) : _("Main Menu"),
prompt ? prompt : "Main Menu",
heading,
sym_get_string_value(menu->sym),
&dialog_input_result,
@ -1384,7 +1381,7 @@ static void conf_string(struct menu *menu)
dialog_input_result))
return;
btn_dialog(main_window,
_("You have made an invalid entry."), 0);
"You have made an invalid entry.", 0);
break;
case 1:
show_help(menu);
@ -1413,11 +1410,11 @@ static void conf_load(void)
sym_set_change_count(1);
return;
}
btn_dialog(main_window, _("File does not exist!"), 0);
btn_dialog(main_window, "File does not exist!", 0);
break;
case 1:
show_scroll_win(main_window,
_("Load Alternate Configuration"),
"Load Alternate Configuration",
load_config_help);
break;
case KEY_EXIT:
@ -1444,13 +1441,12 @@ static void conf_save(void)
set_config_filename(dialog_input_result);
return;
}
btn_dialog(main_window, _("Can't create file! "
"Probably a nonexistent directory."),
btn_dialog(main_window, "Can't create file!",
1, "<OK>");
break;
case 1:
show_scroll_win(main_window,
_("Save Alternate Configuration"),
"Save Alternate Configuration",
save_config_help);
break;
case KEY_EXIT:
@ -1483,10 +1479,6 @@ int main(int ac, char **av)
int lines, columns;
char *mode;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (ac > 1 && strcmp(av[1], "-s") == 0) {
/* Silence conf_read() until the real callback is set up */
conf_set_message_callback(NULL);
@ -1544,8 +1536,8 @@ int main(int ac, char **av)
/* check for KEY_FUNC(1) */
if (has_key(KEY_F(1)) == FALSE) {
show_scroll_win(main_window,
_("Instructions"),
_(menu_no_f_instructions));
"Instructions",
menu_no_f_instructions);
}
conf_set_message_callback(conf_message_callback);

11
kconfig/nconf.gui.c
View File

@ -1,11 +1,11 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com?
* Released under the terms of the GNU GPL v2.0.
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com>
*
* Derived from menuconfig.
*
*/
#include "nconf.h"
#include "lkc.h"
/* a list of all the different widgets we use */
attributes_t attributes[ATTR_MAX+1] = {0};
@ -374,7 +374,7 @@ int dialog_inputbox(WINDOW *main_window,
if (strlen(init)+1 > *result_len) {
*result_len = strlen(init)+1;
*resultp = result = realloc(result, *result_len);
*resultp = result = xrealloc(result, *result_len);
}
/* find the widest line of msg: */
@ -439,7 +439,8 @@ int dialog_inputbox(WINDOW *main_window,
case KEY_F(F_EXIT):
case KEY_F(F_BACK):
break;
case 127:
case 8: /* ^H */
case 127: /* ^? */
case KEY_BACKSPACE:
if (cursor_position > 0) {
memmove(&result[cursor_position-1],

10
kconfig/nconf.h
View File

@ -1,9 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com?
* Released under the terms of the GNU GPL v2.0.
* Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com>
*
* Derived from menuconfig.
*
*/
#include <ctype.h>
@ -14,8 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <locale.h>
#include <curses.h>
#include <ncurses.h>
#include <menu.h>
#include <panel.h>
#include <form.h>
@ -24,8 +22,6 @@
#include <time.h>
#include <sys/time.h>
#include "ncurses.h"
#define max(a, b) ({\
typeof(a) _a = a;\
typeof(b) _b = b;\

445
kconfig/zconf.y → kconfig/parser.y
View File

@ -1,8 +1,8 @@
%{
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
%{
#include <ctype.h>
#include <stdarg.h>
@ -20,63 +20,69 @@
int cdebug = PRINTD;
extern int zconflex(void);
static void yyerror(const char *err);
static void zconfprint(const char *err, ...);
static void zconf_error(const char *err, ...);
static void zconferror(const char *err);
static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken);
static bool zconf_endtoken(const char *tokenname,
const char *expected_tokenname);
struct symbol *symbol_hash[SYMBOL_HASHSIZE];
static struct menu *current_menu, *current_entry;
%}
%expect 32
%union
{
char *string;
struct file *file;
struct symbol *symbol;
struct expr *expr;
struct menu *menu;
const struct kconf_id *id;
enum symbol_type type;
enum variable_flavor flavor;
}
%token <id>T_MAINMENU
%token <id>T_MENU
%token <id>T_ENDMENU
%token <id>T_SOURCE
%token <id>T_CHOICE
%token <id>T_ENDCHOICE
%token <id>T_COMMENT
%token <id>T_CONFIG
%token <id>T_MENUCONFIG
%token <id>T_HELP
%token <string> T_HELPTEXT
%token <id>T_IF
%token <id>T_ENDIF
%token <id>T_DEPENDS
%token <id>T_OPTIONAL
%token <id>T_PROMPT
%token <id>T_TYPE
%token <id>T_DEFAULT
%token <id>T_SELECT
%token <id>T_IMPLY
%token <id>T_RANGE
%token <id>T_VISIBLE
%token <id>T_OPTION
%token <id>T_ON
%token <string> T_WORD
%token <string> T_WORD_QUOTE
%token T_UNEQUAL
%token T_LESS
%token T_LESS_EQUAL
%token T_GREATER
%token T_GREATER_EQUAL
%token T_ALLNOCONFIG_Y
%token T_BOOL
%token T_CHOICE
%token T_CLOSE_PAREN
%token T_COLON_EQUAL
%token T_COMMENT
%token T_CONFIG
%token T_DEFAULT
%token T_DEFCONFIG_LIST
%token T_DEF_BOOL
%token T_DEF_TRISTATE
%token T_DEPENDS
%token T_ENDCHOICE
%token T_ENDIF
%token T_ENDMENU
%token T_HELP
%token T_HEX
%token T_IF
%token T_IMPLY
%token T_INT
%token T_MAINMENU
%token T_MENU
%token T_MENUCONFIG
%token T_MODULES
%token T_ON
%token T_OPEN_PAREN
%token T_OPTION
%token T_OPTIONAL
%token T_PLUS_EQUAL
%token T_PROMPT
%token T_RANGE
%token T_SELECT
%token T_SOURCE
%token T_STRING
%token T_TRISTATE
%token T_VISIBLE
%token T_EOL
%token <string> T_ASSIGN_VAL
%left T_OR
%left T_AND
@ -84,14 +90,15 @@ static struct menu *current_menu, *current_entry;
%left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL
%nonassoc T_NOT
%type <string> prompt
%type <symbol> nonconst_symbol
%type <symbol> symbol
%type <type> type logic_type default
%type <expr> expr
%type <expr> if_expr
%type <id> end
%type <id> option_name
%type <string> end
%type <menu> if_entry menu_entry choice_entry
%type <string> symbol_option_arg word_opt
%type <string> word_opt assign_val
%type <flavor> assign_op
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@ -100,71 +107,57 @@ static struct menu *current_menu, *current_entry;
menu_end_menu();
} if_entry menu_entry choice_entry
%{
/* Include zconf_id.c here so it can see the token constants. */
#include "kconf_id.c"
%}
%%
input: nl start | start;
input: mainmenu_stmt stmt_list | stmt_list;
start: mainmenu_stmt stmt_list | stmt_list;
/* mainmenu entry */
mainmenu_stmt: T_MAINMENU T_WORD_QUOTE T_EOL
{
menu_add_prompt(P_MENU, $2, NULL);
};
stmt_list:
/* empty */
| stmt_list common_stmt
| stmt_list assignment_stmt
| stmt_list choice_stmt
| stmt_list comment_stmt
| stmt_list config_stmt
| stmt_list if_stmt
| stmt_list menu_stmt
| stmt_list end { zconf_error("unexpected end statement"); }
| stmt_list menuconfig_stmt
| stmt_list source_stmt
| stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
| stmt_list option_name error T_EOL
{
zconf_error("unexpected option \"%s\"", $2->name);
}
| stmt_list error T_EOL { zconf_error("invalid statement"); }
;
option_name:
T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
stmt_list_in_choice:
/* empty */
| stmt_list_in_choice comment_stmt
| stmt_list_in_choice config_stmt
| stmt_list_in_choice if_stmt_in_choice
| stmt_list_in_choice error T_EOL { zconf_error("invalid statement"); }
;
common_stmt:
T_EOL
| if_stmt
| comment_stmt
| config_stmt
| menuconfig_stmt
| source_stmt
;
option_error:
T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
| error T_EOL { zconf_error("invalid option"); }
;
/* config/menuconfig entry */
config_entry_start: T_CONFIG T_WORD T_EOL
config_entry_start: T_CONFIG nonconst_symbol T_EOL
{
struct symbol *sym = sym_lookup($2, 0);
sym->flags |= SYMBOL_OPTIONAL;
menu_add_entry(sym);
printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
};
config_stmt: config_entry_start config_option_list
{
menu_end_entry();
printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
};
menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
{
struct symbol *sym = sym_lookup($2, 0);
sym->flags |= SYMBOL_OPTIONAL;
menu_add_entry(sym);
printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
};
menuconfig_stmt: menuconfig_entry_start config_option_list
@ -173,53 +166,49 @@ menuconfig_stmt: menuconfig_entry_start config_option_list
current_entry->prompt->type = P_MENU;
else
zconfprint("warning: menuconfig statement without prompt");
menu_end_entry();
printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
};
config_option_list:
/* empty */
| config_option_list config_option
| config_option_list symbol_option
| config_option_list depends
| config_option_list help
| config_option_list option_error
| config_option_list T_EOL
;
config_option: T_TYPE prompt_stmt_opt T_EOL
config_option: type prompt_stmt_opt T_EOL
{
menu_set_type($1->stype);
menu_set_type($1);
printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
zconf_curname(), zconf_lineno(),
$1->stype);
$1);
};
config_option: T_PROMPT prompt if_expr T_EOL
config_option: T_PROMPT T_WORD_QUOTE if_expr T_EOL
{
menu_add_prompt(P_PROMPT, $2, $3);
printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};
config_option: T_DEFAULT expr if_expr T_EOL
config_option: default expr if_expr T_EOL
{
menu_add_expr(P_DEFAULT, $2, $3);
if ($1->stype != S_UNKNOWN)
menu_set_type($1->stype);
if ($1 != S_UNKNOWN)
menu_set_type($1);
printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
zconf_curname(), zconf_lineno(),
$1->stype);
$1);
};
config_option: T_SELECT T_WORD if_expr T_EOL
config_option: T_SELECT nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
menu_add_symbol(P_SELECT, $2, $3);
printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
};
config_option: T_IMPLY T_WORD if_expr T_EOL
config_option: T_IMPLY nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_IMPLY, sym_lookup($2, 0), $3);
menu_add_symbol(P_IMPLY, $2, $3);
printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
};
@ -229,34 +218,30 @@ config_option: T_RANGE symbol symbol if_expr T_EOL
printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
};
symbol_option: T_OPTION symbol_option_list T_EOL
;
symbol_option_list:
/* empty */
| symbol_option_list T_WORD symbol_option_arg
config_option: T_OPTION T_MODULES T_EOL
{
const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
if (id && id->flags & TF_OPTION)
menu_add_option(id->token, $3);
else
zconfprint("warning: ignoring unknown option %s", $2);
free($2);
menu_add_option_modules();
};
symbol_option_arg:
/* empty */ { $$ = NULL; }
| T_EQUAL prompt { $$ = $2; }
;
config_option: T_OPTION T_DEFCONFIG_LIST T_EOL
{
menu_add_option_defconfig_list();
};
config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL
{
menu_add_option_allnoconfig_y();
};
/* choice entry */
choice: T_CHOICE word_opt T_EOL
{
struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
sym->flags |= SYMBOL_AUTO;
sym->flags |= SYMBOL_NO_WRITE;
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
free($2);
printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
};
@ -267,13 +252,13 @@ choice_entry: choice choice_option_list
choice_end: end
{
if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
if (zconf_endtoken($1, "choice")) {
menu_end_menu();
printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
}
};
choice_stmt: choice_entry choice_block choice_end
choice_stmt: choice_entry stmt_list_in_choice choice_end
;
choice_option_list:
@ -281,25 +266,19 @@ choice_option_list:
| choice_option_list choice_option
| choice_option_list depends
| choice_option_list help
| choice_option_list T_EOL
| choice_option_list option_error
;
choice_option: T_PROMPT prompt if_expr T_EOL
choice_option: T_PROMPT T_WORD_QUOTE if_expr T_EOL
{
menu_add_prompt(P_PROMPT, $2, $3);
printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};
choice_option: T_TYPE prompt_stmt_opt T_EOL
choice_option: logic_type prompt_stmt_opt T_EOL
{
if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
menu_set_type($1->stype);
printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
zconf_curname(), zconf_lineno(),
$1->stype);
} else
YYERROR;
menu_set_type($1);
printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
zconf_curname(), zconf_lineno(), $1);
};
choice_option: T_OPTIONAL T_EOL
@ -308,24 +287,31 @@ choice_option: T_OPTIONAL T_EOL
printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
};
choice_option: T_DEFAULT T_WORD if_expr T_EOL
choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
{
if ($1->stype == S_UNKNOWN) {
menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
printd(DEBUG_PARSE, "%s:%d:default\n",
zconf_curname(), zconf_lineno());
} else
YYERROR;
menu_add_symbol(P_DEFAULT, $2, $3);
printd(DEBUG_PARSE, "%s:%d:default\n",
zconf_curname(), zconf_lineno());
};
choice_block:
/* empty */
| choice_block common_stmt
;
type:
logic_type
| T_INT { $$ = S_INT; }
| T_HEX { $$ = S_HEX; }
| T_STRING { $$ = S_STRING; }
logic_type:
T_BOOL { $$ = S_BOOLEAN; }
| T_TRISTATE { $$ = S_TRISTATE; }
default:
T_DEFAULT { $$ = S_UNKNOWN; }
| T_DEF_BOOL { $$ = S_BOOLEAN; }
| T_DEF_TRISTATE { $$ = S_TRISTATE; }
/* if entry */
if_entry: T_IF expr nl
if_entry: T_IF expr T_EOL
{
printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
menu_add_entry(NULL);
@ -335,80 +321,72 @@ if_entry: T_IF expr nl
if_end: end
{
if (zconf_endtoken($1, T_IF, T_ENDIF)) {
if (zconf_endtoken($1, "if")) {
menu_end_menu();
printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
}
};
if_stmt: if_entry if_block if_end
if_stmt: if_entry stmt_list if_end
;
if_block:
/* empty */
| if_block common_stmt
| if_block menu_stmt
| if_block choice_stmt
if_stmt_in_choice: if_entry stmt_list_in_choice if_end
;
/* mainmenu entry */
mainmenu_stmt: T_MAINMENU prompt nl
{
menu_add_prompt(P_MENU, $2, NULL);
};
/* menu entry */
menu: T_MENU prompt T_EOL
menu: T_MENU T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_MENU, $2, NULL);
printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
};
menu_entry: menu visibility_list depends_list
menu_entry: menu menu_option_list
{
$$ = menu_add_menu();
};
menu_end: end
{
if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
if (zconf_endtoken($1, "menu")) {
menu_end_menu();
printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
}
};
menu_stmt: menu_entry menu_block menu_end
menu_stmt: menu_entry stmt_list menu_end
;
menu_block:
menu_option_list:
/* empty */
| menu_block common_stmt
| menu_block menu_stmt
| menu_block choice_stmt
| menu_option_list visible
| menu_option_list depends
;
source_stmt: T_SOURCE prompt T_EOL
source_stmt: T_SOURCE T_WORD_QUOTE T_EOL
{
printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
zconf_nextfile($2);
free($2);
};
/* comment entry */
comment: T_COMMENT prompt T_EOL
comment: T_COMMENT T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_COMMENT, $2, NULL);
printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
};
comment_stmt: comment depends_list
{
menu_end_entry();
};
comment_stmt: comment comment_option_list
;
comment_option_list:
/* empty */
| comment_option_list depends
;
/* help option */
@ -420,18 +398,22 @@ help_start: T_HELP T_EOL
help: help_start T_HELPTEXT
{
if (current_entry->help) {
free(current_entry->help);
zconfprint("warning: '%s' defined with more than one help text -- only the last one will be used",
current_entry->sym->name ?: "<choice>");
}
/* Is the help text empty or all whitespace? */
if ($2[strspn($2, " \f\n\r\t\v")] == '\0')
zconfprint("warning: '%s' defined with blank help text",
current_entry->sym->name ?: "<choice>");
current_entry->help = $2;
};
/* depends option */
depends_list:
/* empty */
| depends_list depends
| depends_list T_EOL
| depends_list option_error
;
depends: T_DEPENDS T_ON expr T_EOL
{
menu_add_dep($3);
@ -439,14 +421,7 @@ depends: T_DEPENDS T_ON expr T_EOL
};
/* visibility option */
visibility_list:
/* empty */
| visibility_list visible
| visibility_list T_EOL
;
visible: T_VISIBLE if_expr
visible: T_VISIBLE if_expr T_EOL
{
menu_add_visibility($2);
};
@ -455,23 +430,14 @@ visible: T_VISIBLE if_expr
prompt_stmt_opt:
/* empty */
| prompt if_expr
| T_WORD_QUOTE if_expr
{
menu_add_prompt(P_PROMPT, $1, $2);
};
prompt: T_WORD
| T_WORD_QUOTE
;
end: T_ENDMENU T_EOL { $$ = $1; }
| T_ENDCHOICE T_EOL { $$ = $1; }
| T_ENDIF T_EOL { $$ = $1; }
;
nl:
T_EOL
| nl T_EOL
end: T_ENDMENU T_EOL { $$ = "menu"; }
| T_ENDCHOICE T_EOL { $$ = "choice"; }
| T_ENDIF T_EOL { $$ = "if"; }
;
if_expr: /* empty */ { $$ = NULL; }
@ -491,13 +457,31 @@ expr: symbol { $$ = expr_alloc_symbol($1); }
| expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
;
symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
/* For symbol definitions, selects, etc., where quotes are not accepted */
nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
symbol: nonconst_symbol
| T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
;
word_opt: /* empty */ { $$ = NULL; }
| T_WORD
/* assignment statement */
assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); }
assign_op:
T_EQUAL { $$ = VAR_RECURSIVE; }
| T_COLON_EQUAL { $$ = VAR_SIMPLE; }
| T_PLUS_EQUAL { $$ = VAR_APPEND; }
;
assign_val:
/* empty */ { $$ = xstrdup(""); };
| T_ASSIGN_VAL
;
%%
void conf_parse(const char *name)
@ -507,63 +491,51 @@ void conf_parse(const char *name)
zconf_initscan(name);
sym_init();
_menu_init();
rootmenu.prompt = menu_add_prompt(P_MENU, "Crosstool-NG Configuration", NULL);
#if YYDEBUG
if (getenv("ZCONF_DEBUG"))
zconfdebug = 1;
#endif
zconfparse();
if (zconfnerrs)
yydebug = 1;
yyparse();
/* Variables are expanded in the parse phase. We can free them here. */
variable_all_del();
if (yynerrs)
exit(1);
if (!modules_sym)
modules_sym = sym_find( "n" );
rootmenu.prompt->text = _(rootmenu.prompt->text);
rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
if (!menu_has_prompt(&rootmenu)) {
current_entry = &rootmenu;
menu_add_prompt(P_MENU, "Main menu", NULL);
}
menu_finalize(&rootmenu);
for_all_symbols(i, sym) {
if (sym_check_deps(sym))
zconfnerrs++;
yynerrs++;
}
if (zconfnerrs)
if (yynerrs)
exit(1);
sym_set_change_count(1);
}
static const char *zconf_tokenname(int token)
static bool zconf_endtoken(const char *tokenname,
const char *expected_tokenname)
{
switch (token) {
case T_MENU: return "menu";
case T_ENDMENU: return "endmenu";
case T_CHOICE: return "choice";
case T_ENDCHOICE: return "endchoice";
case T_IF: return "if";
case T_ENDIF: return "endif";
case T_DEPENDS: return "depends";
case T_VISIBLE: return "visible";
}
return "<token>";
}
static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
{
if (id->token != endtoken) {
if (strcmp(tokenname, expected_tokenname)) {
zconf_error("unexpected '%s' within %s block",
id->name, zconf_tokenname(starttoken));
zconfnerrs++;
tokenname, expected_tokenname);
yynerrs++;
return false;
}
if (current_menu->file != current_file) {
zconf_error("'%s' in different file than '%s'",
id->name, zconf_tokenname(starttoken));
tokenname, expected_tokenname);
fprintf(stderr, "%s:%d: location of the '%s'\n",
current_menu->file->name, current_menu->lineno,
zconf_tokenname(starttoken));
zconfnerrs++;
expected_tokenname);
yynerrs++;
return false;
}
return true;
@ -584,7 +556,7 @@ static void zconf_error(const char *err, ...)
{
va_list ap;
zconfnerrs++;
yynerrs++;
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
va_start(ap, err);
vfprintf(stderr, err, ap);
@ -592,7 +564,7 @@ static void zconf_error(const char *err, ...)
fprintf(stderr, "\n");
}
static void zconferror(const char *err)
static void yyerror(const char *err)
{
fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
}
@ -625,7 +597,7 @@ static void print_symbol(FILE *out, struct menu *menu)
fprintf(out, "\nconfig %s\n", sym->name);
switch (sym->type) {
case S_BOOLEAN:
fputs(" boolean\n", out);
fputs(" bool\n", out);
break;
case S_TRISTATE:
fputs(" tristate\n", out);
@ -688,6 +660,10 @@ static void print_symbol(FILE *out, struct menu *menu)
print_quoted_string(out, prop->text);
fputc('\n', out);
break;
case P_SYMBOL:
fputs( " symbol ", out);
fprintf(out, "%s\n", prop->menu->sym->name);
break;
default:
fprintf(out, " unknown prop %d!\n", prop->type);
break;
@ -748,9 +724,4 @@ void zconfdump(FILE *out)
}
}
#include "zconf.lex.c"
#include "util.c"
#include "confdata.c"
#include "expr.c"
#include "symbol.c"
#include "menu.c"

574
kconfig/preprocess.c Normal file
View File

@ -0,0 +1,574 @@
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (C) 2018 Masahiro Yamada <yamada.masahiro@socionext.com>
#include <ctype.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "list.h"
#include "lkc.h"
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
static char *expand_string_with_args(const char *in, int argc, char *argv[]);
static char *expand_string(const char *in);
static void __attribute__((noreturn)) pperror(const char *format, ...)
{
va_list ap;
fprintf(stderr, "%s:%d: ", current_file->name, yylineno);
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
/*
* Environment variables
*/
static LIST_HEAD(env_list);
struct env {
char *name;
char *value;
struct list_head node;
};
static void env_add(const char *name, const char *value)
{
struct env *e;
e = xmalloc(sizeof(*e));
e->name = xstrdup(name);
e->value = xstrdup(value);
list_add_tail(&e->node, &env_list);
}
static void env_del(struct env *e)
{
list_del(&e->node);
free(e->name);
free(e->value);
free(e);
}
/* The returned pointer must be freed when done */
static char *env_expand(const char *name)
{
struct env *e;
const char *value;
if (!*name)
return NULL;
list_for_each_entry(e, &env_list, node) {
if (!strcmp(name, e->name))
return xstrdup(e->value);
}
value = getenv(name);
if (!value)
return NULL;
/*
* We need to remember all referenced environment variables.
* They will be written out to include/config/auto.conf.cmd
*/
env_add(name, value);
return xstrdup(value);
}
void env_write_dep(FILE *f, const char *autoconfig_name)
{
struct env *e, *tmp;
list_for_each_entry_safe(e, tmp, &env_list, node) {
fprintf(f, "ifneq \"$(%s)\" \"%s\"\n", e->name, e->value);
fprintf(f, "%s: FORCE\n", autoconfig_name);
fprintf(f, "endif\n");
env_del(e);
}
}
/*
* Built-in functions
*/
struct function {
const char *name;
unsigned int min_args;
unsigned int max_args;
char *(*func)(int argc, char *argv[]);
};
static char *do_error_if(int argc, char *argv[])
{
if (!strcmp(argv[0], "y"))
pperror("%s", argv[1]);
return NULL;
}
static char *do_filename(int argc, char *argv[])
{
return xstrdup(current_file->name);
}
static char *do_info(int argc, char *argv[])
{
printf("%s\n", argv[0]);
return xstrdup("");
}
static char *do_lineno(int argc, char *argv[])
{
char buf[16];
sprintf(buf, "%d", yylineno);
return xstrdup(buf);
}
static char *do_shell(int argc, char *argv[])
{
FILE *p;
char buf[256];
char *cmd;
size_t nread;
int i;
cmd = argv[0];
p = popen(cmd, "r");
if (!p) {
perror(cmd);
exit(1);
}
nread = fread(buf, 1, sizeof(buf), p);
if (nread == sizeof(buf))
nread--;
/* remove trailing new lines */
while (nread > 0 && buf[nread - 1] == '\n')
nread--;
buf[nread] = 0;
/* replace a new line with a space */
for (i = 0; i < nread; i++) {
if (buf[i] == '\n')
buf[i] = ' ';
}
if (pclose(p) == -1) {
perror(cmd);
exit(1);
}
return xstrdup(buf);
}
static char *do_warning_if(int argc, char *argv[])
{
if (!strcmp(argv[0], "y"))
fprintf(stderr, "%s:%d: %s\n",
current_file->name, yylineno, argv[1]);
return xstrdup("");
}
static const struct function function_table[] = {
/* Name MIN MAX Function */
{ "error-if", 2, 2, do_error_if },
{ "filename", 0, 0, do_filename },
{ "info", 1, 1, do_info },
{ "lineno", 0, 0, do_lineno },
{ "shell", 1, 1, do_shell },
{ "warning-if", 2, 2, do_warning_if },
};
#define FUNCTION_MAX_ARGS 16
static char *function_expand(const char *name, int argc, char *argv[])
{
const struct function *f;
int i;
for (i = 0; i < ARRAY_SIZE(function_table); i++) {
f = &function_table[i];
if (strcmp(f->name, name))
continue;
if (argc < f->min_args)
pperror("too few function arguments passed to '%s'",
name);
if (argc > f->max_args)
pperror("too many function arguments passed to '%s'",
name);
return f->func(argc, argv);
}
return NULL;
}
/*
* Variables (and user-defined functions)
*/
static LIST_HEAD(variable_list);
struct variable {
char *name;
char *value;
enum variable_flavor flavor;
int exp_count;
struct list_head node;
};
static struct variable *variable_lookup(const char *name)
{
struct variable *v;
list_for_each_entry(v, &variable_list, node) {
if (!strcmp(name, v->name))
return v;
}
return NULL;
}
static char *variable_expand(const char *name, int argc, char *argv[])
{
struct variable *v;
char *res;
v = variable_lookup(name);
if (!v)
return NULL;
if (argc == 0 && v->exp_count)
pperror("Recursive variable '%s' references itself (eventually)",
name);
if (v->exp_count > 1000)
pperror("Too deep recursive expansion");
v->exp_count++;
if (v->flavor == VAR_RECURSIVE)
res = expand_string_with_args(v->value, argc, argv);
else
res = xstrdup(v->value);
v->exp_count--;
return res;
}
void variable_add(const char *name, const char *value,
enum variable_flavor flavor)
{
struct variable *v;
char *new_value;
bool append = false;
v = variable_lookup(name);
if (v) {
/* For defined variables, += inherits the existing flavor */
if (flavor == VAR_APPEND) {
flavor = v->flavor;
append = true;
} else {
free(v->value);
}
} else {
/* For undefined variables, += assumes the recursive flavor */
if (flavor == VAR_APPEND)
flavor = VAR_RECURSIVE;
v = xmalloc(sizeof(*v));
v->name = xstrdup(name);
v->exp_count = 0;
list_add_tail(&v->node, &variable_list);
}
v->flavor = flavor;
if (flavor == VAR_SIMPLE)
new_value = expand_string(value);
else
new_value = xstrdup(value);
if (append) {
v->value = xrealloc(v->value,
strlen(v->value) + strlen(new_value) + 2);
strcat(v->value, " ");
strcat(v->value, new_value);
free(new_value);
} else {
v->value = new_value;
}
}
static void variable_del(struct variable *v)
{
list_del(&v->node);
free(v->name);
free(v->value);
free(v);
}
void variable_all_del(void)
{
struct variable *v, *tmp;
list_for_each_entry_safe(v, tmp, &variable_list, node)
variable_del(v);
}
/*
* Evaluate a clause with arguments. argc/argv are arguments from the upper
* function call.
*
* Returned string must be freed when done
*/
static char *eval_clause(const char *str, size_t len, int argc, char *argv[])
{
char *tmp, *name, *res, *endptr, *prev, *p;
int new_argc = 0;
char *new_argv[FUNCTION_MAX_ARGS];
int nest = 0;
int i;
unsigned long n;
tmp = xstrndup(str, len);
/*
* If variable name is '1', '2', etc. It is generally an argument
* from a user-function call (i.e. local-scope variable). If not
* available, then look-up global-scope variables.
*/
n = strtoul(tmp, &endptr, 10);
if (!*endptr && n > 0 && n <= argc) {
res = xstrdup(argv[n - 1]);
goto free_tmp;
}
prev = p = tmp;
/*
* Split into tokens
* The function name and arguments are separated by a comma.
* For example, if the function call is like this:
* $(foo,$(x),$(y))
*
* The input string for this helper should be:
* foo,$(x),$(y)
*
* and split into:
* new_argv[0] = 'foo'
* new_argv[1] = '$(x)'
* new_argv[2] = '$(y)'
*/
while (*p) {
if (nest == 0 && *p == ',') {
*p = 0;
if (new_argc >= FUNCTION_MAX_ARGS)
pperror("too many function arguments");
new_argv[new_argc++] = prev;
prev = p + 1;
} else if (*p == '(') {
nest++;
} else if (*p == ')') {
nest--;
}
p++;
}
new_argv[new_argc++] = prev;
/*
* Shift arguments
* new_argv[0] represents a function name or a variable name. Put it
* into 'name', then shift the rest of the arguments. This simplifies
* 'const' handling.
*/
name = expand_string_with_args(new_argv[0], argc, argv);
new_argc--;
for (i = 0; i < new_argc; i++)
new_argv[i] = expand_string_with_args(new_argv[i + 1],
argc, argv);
/* Search for variables */
res = variable_expand(name, new_argc, new_argv);
if (res)
goto free;
/* Look for built-in functions */
res = function_expand(name, new_argc, new_argv);
if (res)
goto free;
/* Last, try environment variable */
if (new_argc == 0) {
res = env_expand(name);
if (res)
goto free;
}
res = xstrdup("");
free:
for (i = 0; i < new_argc; i++)
free(new_argv[i]);
free(name);
free_tmp:
free(tmp);
return res;
}
/*
* Expand a string that follows '$'
*
* For example, if the input string is
* ($(FOO)$($(BAR)))$(BAZ)
* this helper evaluates
* $($(FOO)$($(BAR)))
* and returns a new string containing the expansion (note that the string is
* recursively expanded), also advancing 'str' to point to the next character
* after the corresponding closing parenthesis, in this case, *str will be
* $(BAR)
*/
static char *expand_dollar_with_args(const char **str, int argc, char *argv[])
{
const char *p = *str;
const char *q;
int nest = 0;
/*
* In Kconfig, variable/function references always start with "$(".
* Neither single-letter variables as in $A nor curly braces as in ${CC}
* are supported. '$' not followed by '(' loses its special meaning.
*/
if (*p != '(') {
*str = p;
return xstrdup("$");
}
p++;
q = p;
while (*q) {
if (*q == '(') {
nest++;
} else if (*q == ')') {
if (nest-- == 0)
break;
}
q++;
}
if (!*q)
pperror("unterminated reference to '%s': missing ')'", p);
/* Advance 'str' to after the expanded initial portion of the string */
*str = q + 1;
return eval_clause(p, q - p, argc, argv);
}
char *expand_dollar(const char **str)
{
return expand_dollar_with_args(str, 0, NULL);
}
static char *__expand_string(const char **str, bool (*is_end)(char c),
int argc, char *argv[])
{
const char *in, *p;
char *expansion, *out;
size_t in_len, out_len;
out = xmalloc(1);
*out = 0;
out_len = 1;
p = in = *str;
while (1) {
if (*p == '$') {
in_len = p - in;
p++;
expansion = expand_dollar_with_args(&p, argc, argv);
out_len += in_len + strlen(expansion);
out = xrealloc(out, out_len);
strncat(out, in, in_len);
strcat(out, expansion);
free(expansion);
in = p;
continue;
}
if (is_end(*p))
break;
p++;
}
in_len = p - in;
out_len += in_len;
out = xrealloc(out, out_len);
strncat(out, in, in_len);
/* Advance 'str' to the end character */
*str = p;
return out;
}
static bool is_end_of_str(char c)
{
return !c;
}
/*
* Expand variables and functions in the given string. Undefined variables
* expand to an empty string.
* The returned string must be freed when done.
*/
static char *expand_string_with_args(const char *in, int argc, char *argv[])
{
return __expand_string(&in, is_end_of_str, argc, argv);
}
static char *expand_string(const char *in)
{
return expand_string_with_args(in, 0, NULL);
}
static bool is_end_of_token(char c)
{
return !(isalnum(c) || c == '_' || c == '-');
}
/*
* Expand variables in a token. The parsing stops when a token separater
* (in most cases, it is a whitespace) is encountered. 'str' is updated to
* point to the next character.
*
* The returned string must be freed when done.
*/
char *expand_one_token(const char **str)
{
return __expand_string(str, is_end_of_token, 0, NULL);
}

300
kconfig/symbol.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <ctype.h>
@ -15,15 +15,21 @@ 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 = {
};
static struct symbol symbol_empty = {
.name = "",
.curr = { "", no },
.flags = SYMBOL_VALID,
@ -31,34 +37,7 @@ struct symbol symbol_yes = {
struct symbol *sym_defconfig_list;
struct symbol *modules_sym;
tristate modules_val;
struct expr *sym_env_list;
static 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, SYMBOL_CONST));
}
void sym_init(void)
{
struct symbol *sym;
struct utsname uts;
static bool inited = false;
if (inited)
return;
inited = true;
uname(&uts);
sym = sym_lookup("UNAME_RELEASE", 0);
sym->type = S_STRING;
sym->flags |= SYMBOL_AUTO;
sym_add_default(sym, uts.release);
}
static tristate modules_val;
enum symbol_type sym_get_type(struct symbol *sym)
{
@ -77,7 +56,7 @@ const char *sym_type_name(enum symbol_type type)
{
switch (type) {
case S_BOOLEAN:
return "boolean";
return "bool";
case S_TRISTATE:
return "tristate";
case S_INT:
@ -88,8 +67,6 @@ const char *sym_type_name(enum symbol_type type)
return "string";
case S_UNKNOWN:
return "unknown";
case S_OTHER:
break;
}
return "???";
}
@ -103,15 +80,6 @@ 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;
}
static struct property *sym_get_default_prop(struct symbol *sym)
{
struct property *prop;
@ -124,7 +92,7 @@ static struct property *sym_get_default_prop(struct symbol *sym)
return NULL;
}
static struct property *sym_get_range_prop(struct symbol *sym)
struct property *sym_get_range_prop(struct symbol *sym)
{
struct property *prop;
@ -183,7 +151,7 @@ static void sym_validate_range(struct symbol *sym)
sprintf(str, "%lld", val2);
else
sprintf(str, "0x%llx", val2);
sym->curr.val = strdup(str);
sym->curr.val = xstrdup(str);
}
static void sym_set_changed(struct symbol *sym)
@ -243,7 +211,7 @@ static void sym_calc_visibility(struct symbol *sym)
tri = yes;
if (sym->dir_dep.expr)
tri = expr_calc_value(sym->dir_dep.expr);
if (tri == mod)
if (tri == mod && sym_get_type(sym) == S_BOOLEAN)
tri = yes;
if (sym->dir_dep.tri != tri) {
sym->dir_dep.tri = tri;
@ -259,7 +227,7 @@ 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;
@ -333,6 +301,27 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
return def_sym;
}
static void sym_warn_unmet_dep(struct symbol *sym)
{
struct gstr gs = str_new();
str_printf(&gs,
"\nWARNING: unmet direct dependencies detected for %s\n",
sym->name);
str_printf(&gs,
" Depends on [%c]: ",
sym->dir_dep.tri == mod ? 'm' : 'n');
expr_gstr_print(sym->dir_dep.expr, &gs);
str_printf(&gs, "\n");
expr_gstr_print_revdep(sym->rev_dep.expr, &gs, yes,
" Selected by [y]:\n");
expr_gstr_print_revdep(sym->rev_dep.expr, &gs, mod,
" Selected by [m]:\n");
fputs(str_get(&gs), stderr);
}
void sym_calc_value(struct symbol *sym)
{
struct symbol_value newval, oldval;
@ -371,11 +360,13 @@ void sym_calc_value(struct symbol *sym)
sym->curr.tri = no;
return;
}
if (!sym_is_choice_value(sym))
sym->flags &= ~SYMBOL_WRITE;
sym->flags &= ~SYMBOL_WRITE;
sym_calc_visibility(sym);
if (sym->visible != no)
sym->flags |= SYMBOL_WRITE;
/* set default if recursively called */
sym->curr = newval;
@ -390,7 +381,6 @@ void sym_calc_value(struct symbol *sym)
/* 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);
@ -402,43 +392,32 @@ void sym_calc_value(struct symbol *sym)
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);
if (newval.tri != no)
sym->flags |= SYMBOL_WRITE;
}
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:
if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) {
struct expr *e;
e = expr_simplify_unmet_dep(sym->rev_dep.expr,
sym->dir_dep.expr);
fprintf(stderr, "warning: (");
expr_fprint(e, stderr);
fprintf(stderr, ") selects %s which has unmet direct dependencies (",
sym->name);
expr_fprint(sym->dir_dep.expr, stderr);
fprintf(stderr, ")\n");
expr_free(e);
}
if (sym->dir_dep.tri < sym->rev_dep.tri)
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:
case S_HEX:
case S_INT:
if (sym->visible != no) {
sym->flags |= SYMBOL_WRITE;
if (sym_has_value(sym)) {
newval.val = sym->def[S_DEF_USER].val;
break;
}
if (sym->visible != no && sym_has_value(sym)) {
newval.val = sym->def[S_DEF_USER].val;
break;
}
prop = sym_get_default_prop(sym);
if (prop) {
@ -480,7 +459,7 @@ void sym_calc_value(struct symbol *sym)
}
}
if (sym->flags & SYMBOL_AUTO)
if (sym->flags & SYMBOL_NO_WRITE)
sym->flags &= ~SYMBOL_WRITE;
if (sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES)
@ -512,8 +491,6 @@ 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;
@ -783,7 +760,6 @@ const char *sym_get_string_default(struct symbol *sym)
return str;
case S_STRING:
return str;
case S_OTHER:
case S_UNKNOWN:
break;
}
@ -814,7 +790,7 @@ 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;
}
@ -851,7 +827,7 @@ struct symbol *sym_lookup(const char *name, int flags)
: !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
return symbol;
}
new_name = strdup(name);
new_name = xstrdup(name);
} else {
new_name = NULL;
hash = 0;
@ -861,7 +837,7 @@ 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;
@ -896,55 +872,6 @@ struct symbol *sym_find(const char *name)
return symbol;
}
/*
* Expand symbol's names embedded in the string given in argument. Symbols'
* name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
* the empty string.
*/
const char *sym_expand_string_value(const char *in)
{
const char *src;
char *res;
size_t reslen;
reslen = strlen(in) + 1;
res = xmalloc(reslen);
res[0] = '\0';
while ((src = strchr(in, '$'))) {
char *p, name[SYMBOL_MAXLENGTH];
const char *symval = "";
struct symbol *sym;
size_t newlen;
strncat(res, in, src - in);
src++;
p = name;
while (isalnum(*src) || *src == '_')
*p++ = *src++;
*p = '\0';
sym = sym_find(name);
if (sym != NULL) {
sym_calc_value(sym);
symval = sym_get_string_value(sym);
}
newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
if (newlen > reslen) {
reslen = newlen;
res = realloc(res, reslen);
}
strcat(res, symval);
in = src;
}
strcat(res, in);
return res;
}
const char *sym_escape_string_value(const char *in)
{
const char *p;
@ -1086,7 +1013,7 @@ static struct dep_stack {
struct dep_stack *prev, *next;
struct symbol *sym;
struct property *prop;
struct expr *expr;
struct expr **expr;
} *check_top;
static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)
@ -1151,18 +1078,7 @@ static void sym_check_print_recursive(struct symbol *last_sym)
fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
prop->file->name, prop->lineno);
if (stack->expr) {
fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->prop) {
fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (sym_is_choice(sym)) {
if (sym_is_choice(sym)) {
fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
menu->file->name, menu->lineno,
sym->name ? sym->name : "<choice>",
@ -1172,16 +1088,38 @@ static void sym_check_print_recursive(struct symbol *last_sym)
menu->file->name, menu->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else {
} else if (stack->expr == &sym->dir_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->rev_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr == &sym->implied.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
} else if (stack->expr) {
fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
} else {
fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
}
}
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");
@ -1219,7 +1157,7 @@ static struct symbol *sym_check_expr_deps(struct expr *e)
default:
break;
}
printf("Oops! How to check %d?\n", e->type);
fprintf(stderr, "Oops! How to check %d?\n", e->type);
return NULL;
}
@ -1232,12 +1170,26 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
dep_stack_insert(&stack, sym);
stack.expr = &sym->dir_dep.expr;
sym2 = sym_check_expr_deps(sym->dir_dep.expr);
if (sym2)
goto out;
stack.expr = &sym->rev_dep.expr;
sym2 = sym_check_expr_deps(sym->rev_dep.expr);
if (sym2)
goto out;
stack.expr = &sym->implied.expr;
sym2 = sym_check_expr_deps(sym->implied.expr);
if (sym2)
goto out;
stack.expr = NULL;
for (prop = sym->prop; prop; prop = prop->next) {
if (prop->type == P_CHOICE || prop->type == P_SELECT)
if (prop->type == P_CHOICE || prop->type == P_SELECT ||
prop->type == P_IMPLY)
continue;
stack.prop = prop;
sym2 = sym_check_expr_deps(prop->visible.expr);
@ -1245,7 +1197,7 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
break;
if (prop->type != P_DEFAULT || sym_is_choice(sym))
continue;
stack.expr = prop->expr;
stack.expr = &prop->expr;
sym2 = sym_check_expr_deps(prop->expr);
if (sym2)
break;
@ -1323,34 +1275,9 @@ struct symbol *sym_check_deps(struct symbol *sym)
sym->flags &= ~SYMBOL_CHECK;
}
if (sym2 && sym2 == sym)
sym2 = NULL;
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 ||
@ -1364,8 +1291,6 @@ 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:
@ -1387,32 +1312,3 @@ const char *prop_get_type_name(enum prop_type type)
}
return "unknown";
}
static 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);
}

86
kconfig/util.c
View File

@ -1,8 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002-2005 Roman Zippel <zippel@linux-m68k.org>
* Copyright (C) 2002-2005 Sam Ravnborg <sam@ravnborg.org>
*
* Released under the terms of the GNU GPL v2.0.
*/
#include <stdarg.h>
@ -14,69 +13,21 @@
struct file *file_lookup(const char *name)
{
struct file *file;
const char *file_name = sym_expand_string_value(name);
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name)) {
free((void *)file_name);
return file;
}
}
file = xmalloc(sizeof(*file));
memset(file, 0, sizeof(*file));
file->name = file_name;
file->name = xstrdup(name);
file->next = file_list;
file_list = file;
return file;
}
/* write a dependency file as used by kbuild to track dependencies */
int file_write_dep(const char *name)
{
struct symbol *sym, *env_sym;
struct expr *e;
struct file *file;
FILE *out;
if (!name)
name = ".kconfig.d";
out = fopen("..config.tmp", "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
for (file = file_list; file; file = file->next) {
if (file->next)
fprintf(out, "\t%s \\\n", file->name);
else
fprintf(out, "\t%s\n", file->name);
}
fprintf(out, "\n%s: \\\n"
"\t$(deps_config)\n\n", conf_get_autoconfig_name());
expr_list_for_each_sym(sym_env_list, e, sym) {
struct property *prop;
const char *value;
prop = sym_get_env_prop(sym);
env_sym = prop_get_symbol(prop);
if (!env_sym)
continue;
value = getenv(env_sym->name);
if (!value)
value = "";
fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
fprintf(out, "endif\n");
}
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
rename("..config.tmp", name);
return 0;
}
/* Allocate initial growable string */
struct gstr str_new(void)
{
@ -104,7 +55,7 @@ void str_append(struct gstr *gs, const char *s)
if (s) {
l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
gs->s = realloc(gs->s, l);
gs->s = xrealloc(gs->s, l);
gs->len = l;
}
strcat(gs->s, s);
@ -145,3 +96,34 @@ void *xcalloc(size_t nmemb, size_t size)
fprintf(stderr, "Out of memory.\n");
exit(1);
}
void *xrealloc(void *p, size_t size)
{
p = realloc(p, size);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}
char *xstrdup(const char *s)
{
char *p;
p = strdup(s);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}
char *xstrndup(const char *s, size_t n)
{
char *p;
p = strndup(s, n);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}

374
kconfig/zconf.l
View File

@ -1,374 +0,0 @@
%option nostdinit noyywrap never-interactive full ecs
%option 8bit nodefault perf-report perf-report
%option noinput
%x COMMAND HELP STRING PARAM
%{
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
* Released under the terms of the GNU GPL v2.0.
*/
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "lkc.h"
#define START_STRSIZE 16
static struct {
struct file *file;
int lineno;
} current_pos;
static char *text;
static int text_size, text_asize;
struct buffer {
struct buffer *parent;
YY_BUFFER_STATE state;
};
struct buffer *current_buf;
static int last_ts, first_ts;
static void zconf_endhelp(void);
static void zconf_endfile(void);
static void new_string(void)
{
text = xmalloc(START_STRSIZE);
text_asize = START_STRSIZE;
text_size = 0;
*text = 0;
}
static void append_string(const char *str, int size)
{
int new_size = text_size + size + 1;
if (new_size > text_asize) {
new_size += START_STRSIZE - 1;
new_size &= -START_STRSIZE;
text = realloc(text, new_size);
text_asize = new_size;
}
memcpy(text + text_size, str, size);
text_size += size;
text[text_size] = 0;
}
static void alloc_string(const char *str, int size)
{
text = xmalloc(size + 1);
memcpy(text, str, size);
text[size] = 0;
}
static void warn_ignored_character(char chr)
{
fprintf(stderr,
"%s:%d:warning: ignoring unsupported character '%c'\n",
zconf_curname(), zconf_lineno(), chr);
}
%}
n [A-Za-z0-9_-]
%%
int str = 0;
int ts, i;
[ \t]*#.*\n |
[ \t]*\n {
current_file->lineno++;
return T_EOL;
}
[ \t]*#.*
[ \t]+ {
BEGIN(COMMAND);
}
. {
unput(yytext[0]);
BEGIN(COMMAND);
}
<COMMAND>{
{n}+ {
const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
BEGIN(PARAM);
current_pos.file = current_file;
current_pos.lineno = current_file->lineno;
if (id && id->flags & TF_COMMAND) {
zconflval.id = id;
return id->token;
}
alloc_string(yytext, yyleng);
zconflval.string = text;
return T_WORD;
}
. warn_ignored_character(*yytext);
\n {
BEGIN(INITIAL);
current_file->lineno++;
return T_EOL;
}
}
<PARAM>{
"&&" return T_AND;
"||" return T_OR;
"(" return T_OPEN_PAREN;
")" return T_CLOSE_PAREN;
"!" return T_NOT;
"=" return T_EQUAL;
"!=" return T_UNEQUAL;
"<=" return T_LESS_EQUAL;
">=" return T_GREATER_EQUAL;
"<" return T_LESS;
">" return T_GREATER;
\"|\' {
str = yytext[0];
new_string();
BEGIN(STRING);
}
\n BEGIN(INITIAL); current_file->lineno++; return T_EOL;
({n}|[/.])+ {
const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
if (id && id->flags & TF_PARAM) {
zconflval.id = id;
return id->token;
}
alloc_string(yytext, yyleng);
zconflval.string = text;
return T_WORD;
}
#.* /* comment */
\\\n current_file->lineno++;
[[:blank:]]+
. warn_ignored_character(*yytext);
<<EOF>> {
BEGIN(INITIAL);
}
}
<STRING>{
[^'"\\\n]+/\n {
append_string(yytext, yyleng);
zconflval.string = text;
return T_WORD_QUOTE;
}
[^'"\\\n]+ {
append_string(yytext, yyleng);
}
\\.?/\n {
append_string(yytext + 1, yyleng - 1);
zconflval.string = text;
return T_WORD_QUOTE;
}
\\.? {
append_string(yytext + 1, yyleng - 1);
}
\'|\" {
if (str == yytext[0]) {
BEGIN(PARAM);
zconflval.string = text;
return T_WORD_QUOTE;
} else
append_string(yytext, 1);
}
\n {
printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
current_file->lineno++;
BEGIN(INITIAL);
return T_EOL;
}
<<EOF>> {
BEGIN(INITIAL);
}
}
<HELP>{
[ \t]+ {
ts = 0;
for (i = 0; i < yyleng; i++) {
if (yytext[i] == '\t')
ts = (ts & ~7) + 8;
else
ts++;
}
last_ts = ts;
if (first_ts) {
if (ts < first_ts) {
zconf_endhelp();
return T_HELPTEXT;
}
ts -= first_ts;
while (ts > 8) {
append_string(" ", 8);
ts -= 8;
}
append_string(" ", ts);
}
}
[ \t]*\n/[^ \t\n] {
current_file->lineno++;
zconf_endhelp();
return T_HELPTEXT;
}
[ \t]*\n {
current_file->lineno++;
append_string("\n", 1);
}
[^ \t\n].* {
while (yyleng) {
if ((yytext[yyleng-1] != ' ') && (yytext[yyleng-1] != '\t'))
break;
yyleng--;
}
append_string(yytext, yyleng);
if (!first_ts)
first_ts = last_ts;
}
<<EOF>> {
zconf_endhelp();
return T_HELPTEXT;
}
}
<<EOF>> {
if (current_file) {
zconf_endfile();
return T_EOL;
}
fclose(yyin);
yyterminate();
}
%%
void zconf_starthelp(void)
{
new_string();
last_ts = first_ts = 0;
BEGIN(HELP);
}
static void zconf_endhelp(void)
{
zconflval.string = text;
BEGIN(INITIAL);
}
/*
* Try to open specified file with following names:
* ./name
* $(srctree)/name
* The latter is used when srctree is separate from objtree
* when compiling the kernel.
* Return NULL if file is not found.
*/
FILE *zconf_fopen(const char *name)
{
char *env, fullname[PATH_MAX+1];
FILE *f;
f = fopen(name, "r");
if (!f && name != NULL && name[0] != '/') {
env = getenv(SRCTREE);
if (env) {
sprintf(fullname, "%s/%s", env, name);
f = fopen(fullname, "r");
}
}
return f;
}
void zconf_initscan(const char *name)
{
yyin = zconf_fopen(name);
if (!yyin) {
printf("can't find file %s\n", name);
exit(1);
}
current_buf = xmalloc(sizeof(*current_buf));
memset(current_buf, 0, sizeof(*current_buf));
current_file = file_lookup(name);
current_file->lineno = 1;
}
void zconf_nextfile(const char *name)
{
struct file *iter;
struct file *file = file_lookup(name);
struct buffer *buf = xmalloc(sizeof(*buf));
memset(buf, 0, sizeof(*buf));
current_buf->state = YY_CURRENT_BUFFER;
yyin = zconf_fopen(file->name);
if (!yyin) {
printf("%s:%d: can't open file \"%s\"\n",
zconf_curname(), zconf_lineno(), file->name);
exit(1);
}
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
buf->parent = current_buf;
current_buf = buf;
for (iter = current_file->parent; iter; iter = iter->parent ) {
if (!strcmp(current_file->name,iter->name) ) {
printf("%s:%d: recursive inclusion detected. "
"Inclusion path:\n current file : '%s'\n",
zconf_curname(), zconf_lineno(),
zconf_curname());
iter = current_file->parent;
while (iter && \
strcmp(iter->name,current_file->name)) {
printf(" included from: '%s:%d'\n",
iter->name, iter->lineno-1);
iter = iter->parent;
}
if (iter)
printf(" included from: '%s:%d'\n",
iter->name, iter->lineno+1);
exit(1);
}
}
file->lineno = 1;
file->parent = current_file;
current_file = file;
}
static void zconf_endfile(void)
{
struct buffer *parent;
current_file = current_file->parent;
parent = current_buf->parent;
if (parent) {
fclose(yyin);
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(parent->state);
}
free(current_buf);
current_buf = parent;
}
int zconf_lineno(void)
{
return current_pos.lineno;
}
const char *zconf_curname(void)
{
return current_pos.file ? current_pos.file->name : "<none>";
}

2
maintainer/kconfig-choice.template
View File

@ -11,7 +11,9 @@ config @@dir|@@_@@choice|@@
#!foreach dependency
@@depline@@
#!end-foreach
#!if [ -n "@@*help@@" ]
help
#!end-if
#!foreach help
@@helpline@@
#!end-foreach

2
maintainer/kconfig-menu.template
View File

@ -8,7 +8,9 @@ menuconfig @@dir|@@_@@choice|@@
#!foreach dependency
@@depline@@
#!end-foreach
#!if [ -n "@@*help@@" ]
help
#!end-if
#!foreach help
@@helpline@@
#!end-foreach

4
maintainer/kconfig-versions.template
View File

@ -68,6 +68,8 @@ config @@fork|@@_SRC_DEVEL
Default is the vendor repository at @@repository_url@@
#!end-if
endchoice
if @@fork|@@_SRC_DEVEL
choice
@ -176,8 +178,6 @@ config @@fork|@@_CUSTOM_LOCATION
endif
endchoice
if EXPERIMENTAL
choice
bool "@@pkg_label@@ patches origin"