diff options
Diffstat (limited to 'kconfig')
34 files changed, 2783 insertions, 2136 deletions
diff --git a/kconfig/.gitignore b/kconfig/.gitignore index 7f79a8d..5e31a08 100644 --- a/kconfig/.gitignore +++ b/kconfig/.gitignore @@ -1,8 +1,19 @@ -conf -?conf +# SPDX-License-Identifier: GPL-2.0-only + +# +# Generated files +# *.o -*.dep -zconf.lex.c -zconf.hash.c -zconf.tab.c -*.exe +.deps +.dirstamp +*.lex.c +*.tab.c +*.tab.h +Makefile + +# +# configuration programs +# +conf +mconf +nconf diff --git a/kconfig/Makefile b/kconfig/Makefile deleted file mode 100644 index ee838aa..0000000 --- a/kconfig/Makefile +++ /dev/null @@ -1,111 +0,0 @@ -#----------------------------------------------------------- -# Hmmm! Cheesy build! -# Or: where I can unveil my make-fu... :-] - -all: conf mconf nconf - @true # Just be silent, you fscking son of a fscking beach... - -# Build flags -CFLAGS = -DCONFIG_=\"CT_\" -DPACKAGE="\"crosstool-NG $(VERSION)\"" \ - -DGPERF_LEN_TYPE="$(gperf_len_type)" -LDFLAGS = $(INTL_LIBS) - -# Compiler flags to use gettext -ifeq ($(gettext),) -INTL_CFLAGS = -Wno-format-security -DKBUILD_NO_NLS -endif - -# Compiler and linker flags to use ncurses -NCURSES_CFLAGS = -DCURSES_LOC="\"$(curses_hdr)\"" -NCURSES_LDFLAGS = $(LIBS) - -# Common source files -COMMON_SRC = zconf.tab.c -COMMON_OBJ = $(patsubst %.c,%.o,$(COMMON_SRC)) -COMMON_DEP = $(patsubst %.o,%.dep,$(COMMON_OBJ)) -$(COMMON_OBJ) $(COMMON_DEP): CFLAGS += $(INTL_CFLAGS) -I. - -# lxdialog source files -LX_SRC = $(sort $(wildcard lxdialog/*.c)) -LX_OBJ = $(patsubst %.c,%.o,$(LX_SRC)) -LX_DEP = $(patsubst %.o,%.dep,$(LX_OBJ)) -$(LX_OBJ) $(LX_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS) - -# What's needed to build 'conf' -conf_SRC = conf.c -conf_OBJ = $(patsubst %.c,%.o,$(conf_SRC)) -conf_DEP = $(patsubst %.o,%.dep,$(conf_OBJ)) -$(conf_OBJ) $(conf_DEP): CFLAGS += $(INTL_CFLAGS) - -# What's needed to build 'mconf' -mconf_SRC = mconf.c -mconf_OBJ = $(patsubst %.c,%.o,$(mconf_SRC)) -mconf_DEP = $(patsubst %.c,%.dep,$(mconf_SRC)) -$(mconf_OBJ) $(mconf_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS) -mconf: LDFLAGS += $(NCURSES_LDFLAGS) - -# What's needed to build 'nconf' -nconf_SRC = nconf.c nconf.gui.c -nconf_OBJ = $(patsubst %.c,%.o,$(nconf_SRC)) -nconf_DEP = $(patsubst %.c,%.dep,$(nconf_SRC)) -$(nconf_OBJ) $(nconf_DEP): CFLAGS += $(INTL_CFLAGS) -I/usr/include/ncurses -nconf: LDFLAGS += -lmenu -lpanel $(LIBS) - -# These are generated files: -ALL_OBJS = $(sort $(COMMON_OBJ) $(LX_OBJ) $(conf_OBJ) $(mconf_OBJ) $(nconf_OBJ)) -ALL_DEPS = $(sort $(COMMON_DEP) $(LX_DEP) $(conf_DEP) $(mconf_DEP) $(nconf_DEP)) - -# Cheesy auto-dependencies -DEPS = $(COMMON_DEP) -DEPS += $(conf_DEP) -DEPS += $(mconf_DEP) $(LX_DEP) -DEPS += $(nconf_DEP) --include $(DEPS) - -# Build the dependency for C files -%.dep: %.c - @echo " DEP '$@'" - @$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -MM $< |$(sed) -r -e 's|([^:]+.o)( *:+)|$(<:.c=.o) $@\2|;' >$@ - -# Generate the grammar parser -zconf.tab.o: zconf.tab.c zconf.hash.c zconf.lex.c -zconf.tab.dep: zconf.tab.c zconf.hash.c zconf.lex.c - -.PRECIOUS: zconf.tab.c -zconf.tab.c: zconf.y - @echo " BISON '$@'" - @bison -l -b zconf -p zconf $< - -zconf.hash.c: zconf.gperf - @echo " GPERF '$@'" - @$(gperf) -C < $< > $@ - -zconf.lex.c: zconf.l - @echo " LEX '$@'" - @flex -L -Pzconf -o$@ $< - -# Build C files -%.o: %.c - @echo " CC '$@'" - @$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -o $@ -c $< - -# Actual link -mconf: $(COMMON_OBJ) $(LX_OBJ) $(mconf_OBJ) - @echo " LD '$@'" - @$(CC) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) - -nconf: $(COMMON_OBJ) $(nconf_OBJ) - @echo " LD '$@'" - @$(CC) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) - -conf: $(COMMON_OBJ) $(conf_OBJ) - @echo " LD '$@'" - @$(CC) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS) - -#----------------------------------------------------------- -# Cleaning up the mess... - -clean: - @echo " RM 'kconfig'" - @rm -f conf mconf nconf $(ALL_OBJS) $(ALL_DEPS) - @rm -f rm -f zconf.tab.c zconf.hash.c zconf.lex.c lex.backup diff --git a/kconfig/Makefile.am b/kconfig/Makefile.am new file mode 100644 index 0000000..1a6611c --- /dev/null +++ b/kconfig/Makefile.am @@ -0,0 +1,53 @@ +## vim: set noet : + +## FIXME when kconfig is split into a subpackage, need to remove this option from sub-configure +transform = s,x,x, + +pkglibexec_PROGRAMS = conf nconf mconf + +EXTRA_DIST = parser.y lexer.l \ + expr.h list.h lkc.h lkc_proto.h nconf.h lxdialog/dialog.h \ + menu.c + +CLEANFILES = lexer.lex.c parser.tab.c parser.tab.h +BUILT_SOURCES = lexer.lex.c parser.tab.c + +AM_LFLAGS = -L +AM_YFLAGS = -t -l +AM_CPPFLAGS = -include config.h -DCONFIG_=\"CT_\" +AM_LIBTOOLFLAGS = --tag CC + +conf_SOURCES = conf.c confdata.c expr.c symbol.c preprocess.c util.c +nodist_conf_SOURCES = parser.tab.c lexer.lex.c +conf_LDADD = $(LIBINTL) + +nconf_SOURCES = nconf.c nconf.gui.c confdata.c expr.c symbol.c preprocess.c util.c +nodist_nconf_SOURCES = parser.tab.c lexer.lex.c +nconf_CFLAGS = $(CURSES_CFLAGS) +nconf_LDADD = $(MENU_LIBS) $(PANEL_LIBS) $(CURSES_LIBS) $(LIBINTL) + +mconf_SOURCES = mconf.c confdata.c expr.c symbol.c preprocess.c util.c \ + lxdialog/checklist.c lxdialog/inputbox.c \ + lxdialog/menubox.c lxdialog/textbox.c lxdialog/util.c \ + lxdialog/yesno.c +nodist_mconf_SOURCES = parser.tab.c lexer.lex.c +mconf_LDADD = $(CURSES_LIBS) $(LIBINTL) + +# automake's support for yacc/lex/gperf is too idiosyncratic. It doesn't +# support a common pattern of including lex-generated file into yacc, nor does +# it support using a different base name for the generated C files. +YACCCOMPILE = $(YACC) $(AM_YFLAGS) $(YFLAGS) +AM_V_YACC = $(am__v_YACC_@AM_V@) +am__v_YACC_ = $(am__v_YACC_@AM_DEFAULT_V@) +am__v_YACC_0 = @echo " YACC " $@; + +LEXCOMPILE = $(LEX) $(AM_LFLAGS) $(LFLAGS) +AM_V_LEX = $(am__v_LEX_@AM_V@) +am__v_LEX_ = $(am__v_LEX_@AM_DEFAULT_V@) +am__v_LEX_0 = @echo " LEX " $@; + +parser.tab.c: parser.y + $(AM_V_YACC)$(YACCCOMPILE) -o$@ --defines=parser.tab.h $< + +lexer.lex.c: lexer.l + $(AM_V_LEX)$(LEXCOMPILE) -o$@ $< diff --git a/kconfig/check.sh b/kconfig/check.sh deleted file mode 100644 index 55b79ba..0000000 --- a/kconfig/check.sh +++ /dev/null @@ -1,13 +0,0 @@ -#!/bin/sh -# Needed for systems without gettext -$* -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 diff --git a/kconfig/conf.c b/kconfig/conf.c index 4a23f54..422165d 100644 --- a/kconfig/conf.c +++ b/kconfig/conf.c @@ -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; - - setlocale(LC_ALL, ""); - bindtextdomain(PACKAGE, LOCALEDIR); - textdomain(PACKAGE); + int no_conf_write = 0; - 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: @@ -528,51 +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, "%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: @@ -586,7 +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); } @@ -603,7 +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); } @@ -613,15 +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) { @@ -646,58 +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"); -} diff --git a/kconfig/confdata.c b/kconfig/confdata.c index 297b079..a39d93e 100644 --- a/kconfig/confdata.c +++ b/kconfig/confdata.c @@ -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; + + if (!name) + name = 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; - dirname[0] = 0; - if (name && name[0]) { - struct stat st; - char *slash; - - 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(); - - 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(); +} diff --git a/kconfig/expr.c b/kconfig/expr.c index cbf4996..81ebf81 100644 --- a/kconfig/expr.c +++ b/kconfig/expr.c @@ -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 { @@ -893,7 +1006,10 @@ static enum string_value_kind expr_parse_string(const char *str, switch (type) { case S_BOOLEAN: case S_TRISTATE: - return k_string; + val->s = !strcmp(str, "n") ? 0 : + !strcmp(str, "m") ? 1 : + !strcmp(str, "y") ? 2 : -1; + return k_signed; case S_INT: val->s = strtoll(str, &tail, 10); kind = k_signed; @@ -902,13 +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; @@ -964,13 +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); @@ -1028,49 +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"); @@ -1204,3 +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); +} diff --git a/kconfig/expr.h b/kconfig/expr.h index 973b6f7..5c34436 100644 --- a/kconfig/expr.h +++ b/kconfig/expr.h @@ -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[] */ @@ -74,20 +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 */ @@ -97,7 +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 */ @@ -127,23 +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; @@ -164,22 +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 { @@ -208,6 +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); @@ -215,11 +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) { diff --git a/kconfig/kconfig.mk b/kconfig/kconfig.mk deleted file mode 100644 index 3d330b4..0000000 --- a/kconfig/kconfig.mk +++ /dev/null @@ -1,69 +0,0 @@ -# =========================================================================== -# crosstool-NG configuration targets -# These targets are used from top-level makefile - -#----------------------------------------------------------- -# The configurators rules - -configurators = menuconfig nconfig oldconfig savedefconfig defconfig -PHONY += $(configurators) - -$(configurators): config_files - -export CT_IS_A_BACKEND:=$(CT_IS_A_BACKEND) -export CT_BACKEND_ARCH:=$(CT_BACKEND_ARCH) -export CT_BACKEND_KERNEL:=$(CT_BACKEND_KERNEL) -export CT_BACKEND_LIBC:=$(CT_BACKEND_LIBC) - -# We need CONF for savedefconfig in scripts/saveSample.sh -export CONF := $(CT_LIB_DIR)/kconfig/conf -MCONF := $(CT_LIB_DIR)/kconfig/mconf -NCONF := $(CT_LIB_DIR)/kconfig/nconf - -menuconfig: - @$(CT_ECHO) " CONF $(KCONFIG_TOP)" - $(SILENT)$(MCONF) $(KCONFIG_TOP) - -nconfig: - @$(CT_ECHO) " CONF $(KCONFIG_TOP)" - $(SILENT)$(NCONF) $(KCONFIG_TOP) - -oldconfig: .config - @$(CT_ECHO) " CONF $(KCONFIG_TOP)" - $(SILENT)$(CONF) --silent$@ $(KCONFIG_TOP) - -savedefconfig: .config - @$(CT_ECHO) ' GEN $@' - $(SILENT)$(CONF) --savedefconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) - -defconfig: - @$(CT_ECHO) ' CONF $@' - $(SILENT)$(CONF) --defconfig=$${DEFCONFIG-defconfig} $(KCONFIG_TOP) - -# Always be silent, the stdout an be >.config -extractconfig: - @$(awk) 'BEGIN { dump=0; } \ - dump==1 && $$0~/^\[.....\][[:space:]]+(# )?CT_/ { \ - $$1=""; \ - gsub("^[[:space:]]",""); \ - print; \ - } \ - $$0~/Dumping user-supplied crosstool-NG configuration: done in/ { \ - dump=0; \ - } \ - $$0~/Dumping user-supplied crosstool-NG configuration$$/ { \ - dump=1; \ - }' - -#----------------------------------------------------------- -# Help text used by make help - -help-config:: - @echo ' menuconfig - Update current config using a menu based program' - @echo ' nconfig - Update current config using a menu based program' - @echo ' oldconfig - Update current config using a provided .config as base' - @echo ' extractconfig - Extract to stdout the configuration items from a' - @echo ' build.log file piped to stdin' - @echo ' savedefconfig - Save current config as a mini-defconfig to $${DEFCONFIG}' - @echo ' defconfig - Update config from a mini-defconfig $${DEFCONFIG}' - @echo ' (default: $${DEFCONFIG}=./defconfig)' diff --git a/kconfig/lexer.l b/kconfig/lexer.l new file mode 100644 index 0000000..240109f --- /dev/null +++ b/kconfig/lexer.l @@ -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>"; +} diff --git a/kconfig/list.h b/kconfig/list.h index 2cf23f0..45cb237 100644 --- a/kconfig/list.h +++ b/kconfig/list.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LIST_H #define LIST_H diff --git a/kconfig/lkc.h b/kconfig/lkc.h index 91ca126..8454649 100644 --- a/kconfig/lkc.h +++ b/kconfig/lkc.h @@ -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 { - int 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); + +extern struct menu rootmenu; -void sym_init(void); +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) { diff --git a/kconfig/lkc_proto.h b/kconfig/lkc_proto.h index d539871..9e81be3 100644 --- a/kconfig/lkc_proto.h +++ b/kconfig/lkc_proto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <stdarg.h> /* confdata.c */ @@ -6,31 +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); @@ -42,11 +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); diff --git a/kconfig/lxdialog/.gitignore b/kconfig/lxdialog/.gitignore deleted file mode 100644 index f2e85c0..0000000 --- a/kconfig/lxdialog/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -*.o -*.dep diff --git a/kconfig/lxdialog/BIG.FAT.WARNING b/kconfig/lxdialog/BIG.FAT.WARNING index a8999d8..7cb5a7e 100644 --- a/kconfig/lxdialog/BIG.FAT.WARNING +++ b/kconfig/lxdialog/BIG.FAT.WARNING @@ -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. diff --git a/kconfig/lxdialog/check-lxdialog.sh b/kconfig/lxdialog/check-lxdialog.sh deleted file mode 100644 index 5075ebf..0000000 --- a/kconfig/lxdialog/check-lxdialog.sh +++ /dev/null @@ -1,91 +0,0 @@ -#!/bin/sh -# 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 diff --git a/kconfig/lxdialog/checklist.c b/kconfig/lxdialog/checklist.c index 8d016fa..fd161cf 100644 --- a/kconfig/lxdialog/checklist.c +++ b/kconfig/lxdialog/checklist.c @@ -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); diff --git a/kconfig/lxdialog/dialog.h b/kconfig/lxdialog/dialog.h index fcffd5b..a6f2b57 100644 --- a/kconfig/lxdialog/dialog.h +++ b/kconfig/lxdialog/dialog.h @@ -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> @@ -26,12 +13,6 @@ #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 diff --git a/kconfig/lxdialog/inputbox.c b/kconfig/lxdialog/inputbox.c index d58de1d..1dcfb28 100644 --- a/kconfig/lxdialog/inputbox.c +++ b/kconfig/lxdialog/inputbox.c @@ -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) { diff --git a/kconfig/lxdialog/menubox.c b/kconfig/lxdialog/menubox.c index 11ae9ad..58c2f8a 100644 --- a/kconfig/lxdialog/menubox.c +++ b/kconfig/lxdialog/menubox.c @@ -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); diff --git a/kconfig/lxdialog/textbox.c b/kconfig/lxdialog/textbox.c index 1773319..4e339b1 100644 --- a/kconfig/lxdialog/textbox.c +++ b/kconfig/lxdialog/textbox.c @@ -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 */ diff --git a/kconfig/lxdialog/util.c b/kconfig/lxdialog/util.c index f7abdeb..1b490d4 100644 --- a/kconfig/lxdialog/util.c +++ b/kconfig/lxdialog/util.c @@ -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> diff --git a/kconfig/lxdialog/yesno.c b/kconfig/lxdialog/yesno.c index 676fb2f..bcaac9b 100644 --- a/kconfig/lxdialog/yesno.c +++ b/kconfig/lxdialog/yesno.c @@ -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); diff --git a/kconfig/mconf.c b/kconfig/mconf.c index dc7421c..2435b2b 100644 --- a/kconfig/mconf.c +++ b/kconfig/mconf.c @@ -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; } diff --git a/kconfig/menu.c b/kconfig/menu.c index 6a65271..a5fbd6c 100644 --- a/kconfig/menu.c +++ b/kconfig/menu.c @@ -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 = ¤t_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) @@ -125,67 +125,76 @@ 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 == '|') + /* append property to the prop list of symbol */ + if (current_entry->sym) { + struct property **propp; + + for (propp = ¤t_entry->sym->prop; + *propp; + propp = &(*propp)->next) + ; + *propp = prop; + } + + return prop; +} + +struct property *menu_add_prompt(enum prop_type type, char *prompt, + struct expr *dep) +{ + struct property *prop = menu_add_prop(type, NULL, dep); + + if (isspace(*prompt)) { + prop_warn(prop, "leading whitespace ignored"); + while (isspace(*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"); + } + 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; + /* 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; + 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); + 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); - } + prop->visible.expr = expr_alloc_and(prop->visible.expr, + dup_expr); } - - current_entry->prompt = prop; } + + current_entry->prompt = prop; prop->text = prompt; return prop; } -struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) -{ - return menu_add_prop(type, prompt, NULL, dep); -} - void menu_add_visibility(struct expr *expr) { current_entry->visibility = expr_alloc_and(current_entry->visibility, @@ -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) @@ -239,6 +243,8 @@ static void sym_check_prop(struct symbol *sym) { struct property *prop; struct symbol *sym2; + char *use; + for (prop = sym->prop; prop; prop = prop->next) { switch (prop->type) { case P_DEFAULT: @@ -256,20 +262,32 @@ 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: + use = prop->type == P_SELECT ? "select" : "imply"; sym2 = prop_get_symbol(prop); if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) prop_warn(prop, - "config symbol '%s' uses select, but is " - "not boolean or tristate", sym->name); + "config symbol '%s' uses %s, but is " + "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. 'select' only " - "accept arguments of boolean and " - "tristate type", sym2->name); + "'%s' has wrong type. '%s' only " + "accept arguments of bool and " + "tristate type", sym2->name, use); break; case P_RANGE: if (sym->type != S_INT && sym->type != S_HEX) @@ -294,6 +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 */ @@ -311,65 +334,167 @@ void menu_finalize(struct menu *parent) if (menu->sym && menu->sym->type == S_UNKNOWN) menu_set_type(sym->type); } + + /* + * 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 if (parent->prompt) - parentdep = parent->prompt->visible.expr; - else + } 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, expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); + } else if (prop->type == P_IMPLY) { + struct symbol *es = prop_get_symbol(prop); + es->implied.expr = expr_alloc_or(es->implied.expr, + expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); } } } + + 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; @@ -418,6 +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; @@ -442,6 +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, @@ -483,7 +646,7 @@ bool menu_is_visible(struct menu *menu) if (menu->visibility) { if (expr_calc_value(menu->visibility) == no) - return no; + return false; } sym = menu->sym; @@ -549,6 +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) { @@ -556,7 +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); @@ -589,16 +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"); @@ -606,16 +797,22 @@ 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) +static void get_symbol_props_str(struct gstr *r, struct symbol *sym, + enum prop_type tok, const char *prefix) { - struct property *prop = NULL; + bool hit = false; + struct property *prop; - for_all_properties(sym, prop, P_SYMBOL) - break; - return prop; + for_all_properties(sym, prop, tok) { + if (!hit) { + str_append(r, prefix); + hit = true; + } else + str_printf(r, " && "); + expr_gstr_print(prop->expr, r); + } + if (hit) + str_append(r, "\n"); } /* @@ -624,7 +821,6 @@ static struct property *get_symbol_prop(struct symbol *sym) static void get_symbol_str(struct gstr *r, struct symbol *sym, struct list_head *head) { - bool hit; struct property *prop; if (sym && sym->name) { @@ -640,36 +836,36 @@ 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); } } - hit = false; - for_all_properties(sym, prop, P_SELECT) { - if (!hit) { - str_append(r, " Selects: "); - hit = true; - } else - str_printf(r, " && "); - expr_gstr_print(prop->expr, r); + 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: "); + } } - if (hit) - str_append(r, "\n"); + + 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"); + 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) { + 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"); } @@ -682,7 +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; } @@ -697,7 +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); } diff --git a/kconfig/nconf.c b/kconfig/nconf.c index 4db74c9..c1df68e 100644 --- a/kconfig/nconf.c +++ b/kconfig/nconf.c @@ -1,19 +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" @@ -131,8 +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" @@ -148,8 +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" @@ -164,30 +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" @@ -195,11 +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" @@ -207,8 +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" @@ -245,7 +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]; @@ -272,7 +274,7 @@ static struct mitem k_menu_items[MAX_MENU_ITEMS]; static int items_num; static int global_exit; /* the currently selected button */ -const char *current_instructions = menu_instructions; +static const char *current_instructions = menu_instructions; static char *dialog_input_result; static int dialog_input_result_len; @@ -306,7 +308,7 @@ struct function_keys { }; static const int function_keys_num = 9; -struct function_keys function_keys[] = { +static struct function_keys function_keys[] = { { .key_str = "F1", .func = "Help", @@ -389,7 +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; } @@ -404,8 +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; } @@ -413,7 +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>"); @@ -509,7 +511,7 @@ static int get_mext_match(const char *match_str, match_f flag) index = (index + items_num) % items_num; while (true) { char *str = k_menu_items[index].str; - if (strcasestr(str, match_str) != 0) + if (strcasestr(str, match_str) != NULL) return index; if (flag == FIND_NEXT_MATCH_UP || flag == MATCH_TINKER_PATTERN_UP) @@ -654,8 +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>"); @@ -671,15 +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; @@ -698,12 +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) { @@ -711,7 +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); @@ -727,7 +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); } @@ -755,7 +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", @@ -776,7 +778,7 @@ static void build_conf(struct menu *menu) item_make(menu, ':', " %*c*** %s ***", indent + 1, ' ', - _(prompt)); + prompt); } break; default: @@ -784,7 +786,7 @@ static void build_conf(struct menu *menu) child_count++; item_make(menu, ':', "---%*c%s", indent + 1, ' ', - _(prompt)); + prompt); } } } else @@ -804,7 +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]", @@ -830,11 +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; @@ -848,7 +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++; @@ -858,7 +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 @@ -877,7 +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); @@ -895,17 +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; @@ -1049,7 +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 @@ -1068,7 +1070,7 @@ static int do_match(int key, struct match_state *state, int *ans) static void conf(struct menu *menu) { - struct menu *submenu = 0; + struct menu *submenu = NULL; const char *prompt = menu_get_prompt(menu); struct symbol *sym; int res; @@ -1087,8 +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) { @@ -1211,12 +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) @@ -1228,14 +1227,14 @@ 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)); - struct menu *child = 0; + const char *prompt = menu_get_prompt(menu); + struct menu *child = NULL; struct symbol *active; int selected_index = 0; int last_top_row = 0; @@ -1257,13 +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); @@ -1271,8 +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) { @@ -1359,19 +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, @@ -1382,7 +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); @@ -1411,11 +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: @@ -1442,13 +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: @@ -1457,7 +1455,7 @@ static void conf_save(void) } } -void setup_windows(void) +static void setup_windows(void) { int lines, columns; @@ -1481,10 +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); @@ -1542,8 +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); diff --git a/kconfig/nconf.gui.c b/kconfig/nconf.gui.c index 8275f0e..77f525a 100644 --- a/kconfig/nconf.gui.c +++ b/kconfig/nconf.gui.c @@ -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}; @@ -129,7 +129,7 @@ static void no_colors_theme(void) mkattrn(FUNCTION_TEXT, A_REVERSE); } -void set_colors() +void set_colors(void) { start_color(); use_default_colors(); @@ -192,7 +192,7 @@ const char *get_line(const char *text, int line_no) int lines = 0; if (!text) - return 0; + return NULL; for (i = 0; text[i] != '\0' && lines < line_no; i++) if (text[i] == '\n') @@ -364,15 +364,17 @@ int dialog_inputbox(WINDOW *main_window, WINDOW *prompt_win; WINDOW *form_win; PANEL *panel; - int i, x, y; + int i, x, y, lines, columns, win_lines, win_cols; int res = -1; int cursor_position = strlen(init); int cursor_form_win; char *result = *resultp; + getmaxyx(stdscr, lines, columns); + 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: */ @@ -386,14 +388,19 @@ int dialog_inputbox(WINDOW *main_window, if (title) prompt_width = max(prompt_width, strlen(title)); + win_lines = min(prompt_lines+6, lines-2); + win_cols = min(prompt_width+7, columns-2); + prompt_lines = max(win_lines-6, 0); + prompt_width = max(win_cols-7, 0); + /* place dialog in middle of screen */ - y = (getmaxy(stdscr)-(prompt_lines+4))/2; - x = (getmaxx(stdscr)-(prompt_width+4))/2; + y = (lines-win_lines)/2; + x = (columns-win_cols)/2; strncpy(result, init, *result_len); /* create the windows */ - win = newwin(prompt_lines+6, prompt_width+7, y, x); + win = newwin(win_lines, win_cols, y, x); prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2); form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2); keypad(form_win, TRUE); @@ -432,7 +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], diff --git a/kconfig/nconf.h b/kconfig/nconf.h index 0d52617..d41ec44 100644 --- a/kconfig/nconf.h +++ b/kconfig/nconf.h @@ -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> @@ -14,9 +13,8 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> -#include <locale.h> -#include <curses.h> -#include <menu.h> +#include CURSES_LOC +#include MENU_LOC #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;\ diff --git a/kconfig/zconf.y b/kconfig/parser.y index c3f9a5f..190f111 100644 --- a/kconfig/zconf.y +++ b/kconfig/parser.y @@ -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> @@ -20,62 +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 30 %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_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 @@ -83,14 +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", @@ -99,71 +107,57 @@ static struct menu *current_menu, *current_entry; menu_end_menu(); } if_entry menu_entry choice_entry -%{ -/* Include zconf.hash.c here so it can see the token constants. */ -#include "zconf.hash.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\"", kconf_id_strings + $2->name); -} | stmt_list error T_EOL { zconf_error("invalid statement"); } ; -option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE -; - -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"); } +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"); } ; - /* 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 @@ -172,84 +166,82 @@ 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 nonconst_symbol if_expr T_EOL +{ + menu_add_symbol(P_IMPLY, $2, $3); + printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno()); +}; + config_option: T_RANGE symbol symbol if_expr T_EOL { menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4); printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); }; -symbol_option: T_OPTION symbol_option_list T_EOL -; +config_option: T_OPTION T_MODULES T_EOL +{ + menu_add_option_modules(); +}; -symbol_option_list: - /* empty */ - | symbol_option_list T_WORD symbol_option_arg +config_option: T_OPTION T_DEFCONFIG_LIST 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_defconfig_list(); }; -symbol_option_arg: - /* empty */ { $$ = NULL; } - | T_EQUAL prompt { $$ = $2; } -; +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()); }; @@ -260,13 +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: @@ -274,25 +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 @@ -301,24 +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 { $$ = S_TRISTATE; } /* if entry */ -if_entry: T_IF expr nl +if_entry: T_IF expr T_EOL { printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); menu_add_entry(NULL); @@ -328,80 +321,72 @@ if_entry: T_IF expr nl if_end: end { - if (zconf_endtoken($1, T_IF, T_ENDIF)) { + if (zconf_endtoken($1, "if")) { menu_end_menu(); printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno()); } }; -if_stmt: if_entry if_block if_end +if_stmt: if_entry stmt_list if_end ; -if_block: - /* empty */ - | if_block common_stmt - | if_block menu_stmt - | if_block choice_stmt +if_stmt_in_choice: if_entry stmt_list_in_choice if_end ; -/* mainmenu entry */ - -mainmenu_stmt: T_MAINMENU prompt nl -{ - menu_add_prompt(P_MENU, $2, NULL); -}; - /* menu entry */ -menu: T_MENU prompt T_EOL +menu: T_MENU T_WORD_QUOTE T_EOL { menu_add_entry(NULL); menu_add_prompt(P_MENU, $2, NULL); printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu visibility_list depends_list +menu_entry: menu menu_option_list { $$ = 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 */ @@ -413,18 +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); @@ -432,14 +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); }; @@ -448,23 +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 */ { $$ = NULL; } @@ -484,13 +457,31 @@ expr: symbol { $$ = 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) @@ -500,63 +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) -{ - 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) +static bool zconf_endtoken(const char *tokenname, + const char *expected_tokenname) { - if (id->token != endtoken) { + if (strcmp(tokenname, expected_tokenname)) { zconf_error("unexpected '%s' within %s block", - kconf_id_strings + 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'", - kconf_id_strings + 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; @@ -577,7 +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); @@ -585,7 +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); } @@ -618,7 +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); @@ -666,6 +645,11 @@ static void print_symbol(FILE *out, struct menu *menu) expr_fprint(prop->expr, out); fputc('\n', out); break; + case P_IMPLY: + fputs( " imply ", out); + expr_fprint(prop->expr, out); + fputc('\n', out); + break; case P_RANGE: fputs( " range ", out); expr_fprint(prop->expr, out); @@ -676,6 +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; @@ -736,9 +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" diff --git a/kconfig/preprocess.c b/kconfig/preprocess.c new file mode 100644 index 0000000..0243086 --- /dev/null +++ b/kconfig/preprocess.c @@ -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); +} diff --git a/kconfig/symbol.c b/kconfig/symbol.c index 2432298..ffa3ec6 100644 --- a/kconfig/symbol.c +++ b/kconfig/symbol.c @@ -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; @@ -258,6 +226,15 @@ static void sym_calc_visibility(struct symbol *sym) sym->rev_dep.tri = tri; sym_set_changed(sym); } + tri = no; + if (sym->implied.expr) + tri = expr_calc_value(sym->implied.expr); + if (tri == mod && sym_get_type(sym) == S_BOOLEAN) + tri = yes; + if (sym->implied.tri != tri) { + sym->implied.tri = tri; + sym_set_changed(sym); + } } /* @@ -324,6 +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; @@ -362,11 +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; @@ -381,7 +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); @@ -393,24 +392,21 @@ 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) @@ -419,12 +415,9 @@ void sym_calc_value(struct symbol *sym) 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) { @@ -466,7 +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) @@ -750,6 +743,10 @@ const char *sym_get_string_default(struct symbol *sym) if (sym->type == S_BOOLEAN && val == mod) val = yes; + /* adjust the default value if this symbol is implied by another */ + if (val < sym->implied.tri) + val = sym->implied.tri; + switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: @@ -763,7 +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; } @@ -794,7 +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; } @@ -831,7 +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; @@ -841,7 +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; @@ -876,55 +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; @@ -1041,7 +988,7 @@ struct symbol **sym_re_search(const char *pattern) } if (sym_match_arr) { qsort(sym_match_arr, cnt, sizeof(struct sym_match), sym_rel_comp); - sym_arr = malloc((cnt+1) * sizeof(struct symbol)); + sym_arr = malloc((cnt+1) * sizeof(struct symbol *)); if (!sym_arr) goto sym_re_search_free; for (i = 0; i < cnt; i++) @@ -1066,7 +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) @@ -1130,37 +1077,52 @@ static void sym_check_print_recursive(struct symbol *last_sym) if (stack->sym == last_sym) fprintf(stderr, "%s:%d:error: recursive dependency detected!\n", prop->file->name, prop->lineno); - fprintf(stderr, "For a resolution refer to Documentation/kbuild/kconfig-language.txt\n"); - fprintf(stderr, "subsection \"Kconfig recursive dependency limitations\"\n"); - if (stack->expr) { - fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n", - prop->file->name, prop->lineno, + + 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>", + next_sym->name ? next_sym->name : "<choice>"); + } else if (sym_is_choice_value(sym)) { + fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n", + menu->file->name, menu->lineno, sym->name ? sym->name : "<choice>", - prop_get_type_name(prop->type), next_sym->name ? next_sym->name : "<choice>"); - } else if (stack->prop) { + } 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 (sym_is_choice(sym)) { - fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n", - menu->file->name, menu->lineno, + } 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 (sym_is_choice_value(sym)) { - fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n", - menu->file->name, menu->lineno, + } 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 is selected by %s\n", + 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.rst\n" + "subsection \"Kconfig recursive dependency limitations\"\n" + "\n"); + if (check_top == &cv_stack) dep_stack_remove(); } @@ -1195,7 +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; } @@ -1208,12 +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); @@ -1221,7 +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; @@ -1299,34 +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 || @@ -1340,8 +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: @@ -1352,6 +1301,8 @@ const char *prop_get_type_name(enum prop_type type) return "choice"; case P_SELECT: return "select"; + case P_IMPLY: + return "imply"; case P_RANGE: return "range"; case P_SYMBOL: @@ -1361,32 +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); -} diff --git a/kconfig/util.c b/kconfig/util.c index 0e76042..2958539 100644 --- a/kconfig/util.c +++ b/kconfig/util.c @@ -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); +} diff --git a/kconfig/zconf.gperf b/kconfig/zconf.gperf deleted file mode 100644 index 434483b..0000000 --- a/kconfig/zconf.gperf +++ /dev/null @@ -1,49 +0,0 @@ -%language=ANSI-C -%define hash-function-name kconf_id_hash -%define lookup-function-name kconf_id_lookup -%define string-pool-name kconf_id_strings -%compare-strncmp -%enum -%pic -%struct-type - -struct kconf_id; - -static const struct kconf_id *kconf_id_lookup(register const char *str, register GPERF_LEN_TYPE len); - -%% -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 -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 -%% diff --git a/kconfig/zconf.l b/kconfig/zconf.l deleted file mode 100644 index c410d25..0000000 --- a/kconfig/zconf.l +++ /dev/null @@ -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>"; -} |