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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-12-11 20:01:00 +0900 |
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committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-12-22 00:25:52 +0900 |
commit | ce2164ab58316e27180034112f97608a764f5b37 (patch) | |
tree | 80f0ee899851907326026719a912e3a3d664b7dd /scripts | |
parent | 3c8f317d4cf15e7a67457cfdd1e63182a34bcb69 (diff) | |
download | lwn-ce2164ab58316e27180034112f97608a764f5b37.tar.gz lwn-ce2164ab58316e27180034112f97608a764f5b37.zip |
kconfig: refactor scanning and parsing "option" properties
For the keywords "modules", "defconfig_list", and "allnoconfig_y",
the lexer should pass specific tokens instead of generic T_WORD.
This simplifies both the lexer and the parser.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/kconfig/kconf_id.c | 3 | ||||
-rw-r--r-- | scripts/kconfig/lkc.h | 9 | ||||
-rw-r--r-- | scripts/kconfig/menu.c | 43 | ||||
-rw-r--r-- | scripts/kconfig/zconf.l | 3 | ||||
-rw-r--r-- | scripts/kconfig/zconf.y | 35 |
5 files changed, 41 insertions, 52 deletions
diff --git a/scripts/kconfig/kconf_id.c b/scripts/kconfig/kconf_id.c index ec2c011f9e62..f8b222cc8b87 100644 --- a/scripts/kconfig/kconf_id.c +++ b/scripts/kconfig/kconf_id.c @@ -30,9 +30,6 @@ static struct kconf_id kconf_id_array[] = { { "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 }, - { "allnoconfig_y", T_OPT_ALLNOCONFIG_Y, TF_OPTION }, }; #define KCONF_ID_ARRAY_SIZE (sizeof(kconf_id_array)/sizeof(struct kconf_id)) diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index b6bbcd1dda2b..5f4880a12246 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -32,7 +32,6 @@ static inline const char *CONFIG_prefix(void) #define TF_COMMAND 0x0001 #define TF_PARAM 0x0002 -#define TF_OPTION 0x0004 enum conf_def_mode { def_default, @@ -42,10 +41,6 @@ enum conf_def_mode { def_random }; -#define T_OPT_MODULES 1 -#define T_OPT_DEFCONFIG_LIST 2 -#define T_OPT_ALLNOCONFIG_Y 4 - struct kconf_id { const char *name; int token; @@ -90,7 +85,9 @@ 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_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); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 4cf15d449c05..7e2b2c938d7b 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -195,29 +195,26 @@ void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); } -void menu_add_option(int token, char *arg) -{ - 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"); - sym_defconfig_list->flags |= SYMBOL_NO_WRITE; - break; - case T_OPT_ALLNOCONFIG_Y: - current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; - break; - } +void menu_add_option_modules(void) +{ + 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) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 8e856f9e6da9..30380790bab4 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -140,6 +140,9 @@ n [A-Za-z0-9_-] } <PARAM>{ + "modules" return T_MODULES; + "defconfig_list" return T_DEFCONFIG_LIST; + "allnoconfig_y" return T_ALLNOCONFIG_Y; "&&" return T_AND; "||" return T_OR; "(" return T_OPEN_PAREN; diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 19fa333e9aa1..e482000bb93e 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -64,18 +64,21 @@ static struct menu *current_menu, *current_entry; %token <id>T_IMPLY %token <id>T_RANGE %token <id>T_VISIBLE -%token <id>T_OPTION %token <id>T_ON %token <string> T_WORD %token <string> T_WORD_QUOTE +%token T_ALLNOCONFIG_Y %token T_BOOL %token T_CLOSE_PAREN %token T_DEFAULT +%token T_DEFCONFIG_LIST %token T_DEF_BOOL %token T_DEF_TRISTATE %token T_HEX %token T_INT +%token T_MODULES %token T_OPEN_PAREN +%token T_OPTION %token T_STRING %token T_TRISTATE %token T_EOL @@ -97,7 +100,7 @@ static struct menu *current_menu, *current_entry; %type <expr> if_expr %type <id> end %type <menu> if_entry menu_entry choice_entry -%type <string> symbol_option_arg word_opt assign_val +%type <string> word_opt assign_val %destructor { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -172,7 +175,6 @@ menuconfig_stmt: menuconfig_entry_start config_option_list config_option_list: /* empty */ | config_option_list config_option - | config_option_list symbol_option | config_option_list depends | config_option_list help ; @@ -219,27 +221,20 @@ config_option: T_RANGE symbol symbol if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); }; -symbol_option: T_OPTION symbol_option_list T_EOL -; +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); - free($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 */ |