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Diffstat (limited to 'scripts/kconfig/parser.y')
-rw-r--r--scripts/kconfig/parser.y125
1 files changed, 76 insertions, 49 deletions
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 2af7ce4e1531..b45bfaf0a02b 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -13,6 +13,7 @@
#include "lkc.h"
#include "internal.h"
+#include "preprocess.h"
#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
@@ -27,8 +28,6 @@ static void zconf_error(const char *err, ...);
static bool zconf_endtoken(const char *tokenname,
const char *expected_tokenname);
-struct symbol *symbol_hash[SYMBOL_HASHSIZE];
-
struct menu *current_menu, *current_entry;
%}
@@ -95,12 +94,12 @@ struct menu *current_menu, *current_entry;
%type <expr> if_expr
%type <string> end
%type <menu> if_entry menu_entry choice_entry
-%type <string> word_opt assign_val
+%type <string> assign_val
%type <flavor> assign_op
%destructor {
fprintf(stderr, "%s:%d: missing end statement for this entry\n",
- $$->file->name, $$->lineno);
+ $$->filename, $$->lineno);
if (current_menu == $$)
menu_end_menu();
} if_entry menu_entry choice_entry
@@ -143,19 +142,19 @@ config_entry_start: T_CONFIG nonconst_symbol T_EOL
{
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
+ printd(DEBUG_PARSE, "%s:%d:config %s\n", cur_filename, cur_lineno, $2->name);
};
config_stmt: config_entry_start config_option_list
{
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno);
};
menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
{
$2->flags |= SYMBOL_OPTIONAL;
menu_add_entry($2);
- printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
+ printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", cur_filename, cur_lineno, $2->name);
};
menuconfig_stmt: menuconfig_entry_start config_option_list
@@ -164,7 +163,7 @@ menuconfig_stmt: menuconfig_entry_start config_option_list
current_entry->prompt->type = P_MENU;
else
zconfprint("warning: menuconfig statement without prompt");
- printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno);
};
config_option_list:
@@ -177,15 +176,13 @@ config_option_list:
config_option: type prompt_stmt_opt T_EOL
{
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(),
- $1);
+ printd(DEBUG_PARSE, "%s:%d:type(%u)\n", cur_filename, cur_lineno, $1);
};
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());
+ printd(DEBUG_PARSE, "%s:%d:prompt\n", cur_filename, cur_lineno);
};
config_option: default expr if_expr T_EOL
@@ -193,27 +190,26 @@ config_option: default expr if_expr T_EOL
menu_add_expr(P_DEFAULT, $2, $3);
if ($1 != S_UNKNOWN)
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
- zconf_curname(), zconf_lineno(),
+ printd(DEBUG_PARSE, "%s:%d:default(%u)\n", cur_filename, cur_lineno,
$1);
};
config_option: T_SELECT nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_SELECT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:select\n", cur_filename, cur_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());
+ printd(DEBUG_PARSE, "%s:%d:imply\n", cur_filename, cur_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());
+ printd(DEBUG_PARSE, "%s:%d:range\n", cur_filename, cur_lineno);
};
config_option: T_MODULES T_EOL
@@ -226,18 +222,23 @@ config_option: T_MODULES T_EOL
/* choice entry */
-choice: T_CHOICE word_opt T_EOL
+choice: T_CHOICE T_EOL
{
- struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
+ struct symbol *sym = sym_lookup(NULL, SYMBOL_CHOICE);
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());
+ printd(DEBUG_PARSE, "%s:%d:choice\n", cur_filename, cur_lineno);
};
choice_entry: choice choice_option_list
{
+ if (!current_entry->prompt) {
+ fprintf(stderr, "%s:%d: error: choice must have a prompt\n",
+ current_entry->filename, current_entry->lineno);
+ yynerrs++;
+ }
+
$$ = menu_add_menu();
};
@@ -245,7 +246,7 @@ choice_end: end
{
if (zconf_endtoken($1, "choice")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endchoice\n", cur_filename, cur_lineno);
}
};
@@ -262,27 +263,25 @@ choice_option_list:
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());
+ printd(DEBUG_PARSE, "%s:%d:prompt\n", cur_filename, cur_lineno);
};
choice_option: logic_type prompt_stmt_opt T_EOL
{
menu_set_type($1);
- printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
- zconf_curname(), zconf_lineno(), $1);
+ printd(DEBUG_PARSE, "%s:%d:type(%u)\n", cur_filename, cur_lineno, $1);
};
choice_option: T_OPTIONAL T_EOL
{
current_entry->sym->flags |= SYMBOL_OPTIONAL;
- printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:optional\n", cur_filename, cur_lineno);
};
choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
{
menu_add_symbol(P_DEFAULT, $2, $3);
- printd(DEBUG_PARSE, "%s:%d:default\n",
- zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:default\n", cur_filename, cur_lineno);
};
type:
@@ -304,7 +303,7 @@ default:
if_entry: T_IF expr T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:if\n", cur_filename, cur_lineno);
menu_add_entry(NULL);
menu_add_dep($2);
$$ = menu_add_menu();
@@ -314,7 +313,7 @@ if_end: end
{
if (zconf_endtoken($1, "if")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endif\n", cur_filename, cur_lineno);
}
};
@@ -330,7 +329,7 @@ menu: T_MENU T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_MENU, $2, NULL);
- printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:menu\n", cur_filename, cur_lineno);
};
menu_entry: menu menu_option_list
@@ -342,7 +341,7 @@ menu_end: end
{
if (zconf_endtoken($1, "menu")) {
menu_end_menu();
- printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:endmenu\n", cur_filename, cur_lineno);
}
};
@@ -357,7 +356,7 @@ menu_option_list:
source_stmt: T_SOURCE T_WORD_QUOTE T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
+ printd(DEBUG_PARSE, "%s:%d:source %s\n", cur_filename, cur_lineno, $2);
zconf_nextfile($2);
free($2);
};
@@ -368,7 +367,7 @@ comment: T_COMMENT T_WORD_QUOTE T_EOL
{
menu_add_entry(NULL);
menu_add_prompt(P_COMMENT, $2, NULL);
- printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:comment\n", cur_filename, cur_lineno);
};
comment_stmt: comment comment_option_list
@@ -383,7 +382,7 @@ comment_option_list:
help_start: T_HELP T_EOL
{
- printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:help\n", cur_filename, cur_lineno);
zconf_starthelp();
};
@@ -408,7 +407,7 @@ help: help_start T_HELPTEXT
depends: T_DEPENDS T_ON expr T_EOL
{
menu_add_dep($3);
- printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
+ printd(DEBUG_PARSE, "%s:%d:depends on\n", cur_filename, cur_lineno);
};
/* visibility option */
@@ -455,9 +454,6 @@ symbol: nonconst_symbol
| T_WORD_QUOTE { $$ = 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($3); }
@@ -477,8 +473,11 @@ assign_val:
void conf_parse(const char *name)
{
- struct symbol *sym;
- int i;
+ struct menu *menu;
+
+ autoconf_cmd = str_new();
+
+ str_printf(&autoconf_cmd, "\ndeps_config := \\\n");
zconf_initscan(name);
@@ -488,13 +487,28 @@ void conf_parse(const char *name)
yydebug = 1;
yyparse();
+ /*
+ * FIXME:
+ * cur_filename and cur_lineno are used even after yyparse();
+ * menu_finalize() calls menu_add_symbol(). This should be fixed.
+ */
+ cur_filename = "<none>";
+ cur_lineno = 0;
+
+ str_printf(&autoconf_cmd,
+ "\n"
+ "$(autoconfig): $(deps_config)\n"
+ "$(deps_config): ;\n");
+
+ env_write_dep(&autoconf_cmd);
+
/* 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" );
+ modules_sym = &symbol_no;
if (!menu_has_prompt(&rootmenu)) {
current_entry = &rootmenu;
@@ -502,10 +516,23 @@ void conf_parse(const char *name)
}
menu_finalize(&rootmenu);
- for_all_symbols(i, sym) {
- if (sym_check_deps(sym))
+
+ menu = &rootmenu;
+ while (menu) {
+ if (menu->sym && sym_check_deps(menu->sym))
yynerrs++;
+
+ if (menu->list) {
+ menu = menu->list;
+ continue;
+ }
+
+ while (!menu->next && menu->parent)
+ menu = menu->parent;
+
+ menu = menu->next;
}
+
if (yynerrs)
exit(1);
conf_set_changed(true);
@@ -520,11 +547,11 @@ static bool zconf_endtoken(const char *tokenname,
yynerrs++;
return false;
}
- if (current_menu->file != current_file) {
+ if (strcmp(current_menu->filename, cur_filename)) {
zconf_error("'%s' in different file than '%s'",
tokenname, expected_tokenname);
fprintf(stderr, "%s:%d: location of the '%s'\n",
- current_menu->file->name, current_menu->lineno,
+ current_menu->filename, current_menu->lineno,
expected_tokenname);
yynerrs++;
return false;
@@ -536,7 +563,7 @@ static void zconfprint(const char *err, ...)
{
va_list ap;
- fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
+ fprintf(stderr, "%s:%d: ", cur_filename, cur_lineno);
va_start(ap, err);
vfprintf(stderr, err, ap);
va_end(ap);
@@ -548,7 +575,7 @@ static void zconf_error(const char *err, ...)
va_list ap;
yynerrs++;
- fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
+ fprintf(stderr, "%s:%d: ", cur_filename, cur_lineno);
va_start(ap, err);
vfprintf(stderr, err, ap);
va_end(ap);
@@ -557,7 +584,7 @@ static void zconf_error(const char *err, ...)
static void yyerror(const char *err)
{
- fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
+ fprintf(stderr, "%s:%d: %s\n", cur_filename, cur_lineno, err);
}
static void print_quoted_string(FILE *out, const char *str)