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Diffstat (limited to 'scripts/kconfig/zconf.l')
-rw-r--r--scripts/kconfig/zconf.l96
1 files changed, 40 insertions, 56 deletions
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 55517b2877c..cfa46077c6b 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -18,8 +18,12 @@
#define START_STRSIZE 16
-char *text;
-static char *text_ptr;
+static struct {
+ struct file *file;
+ int lineno;
+} current_pos;
+
+static char *text;
static int text_size, text_asize;
struct buffer {
@@ -32,29 +36,28 @@ struct buffer *current_buf;
static int last_ts, first_ts;
static void zconf_endhelp(void);
-static struct buffer *zconf_endfile(void);
+static void zconf_endfile(void);
void new_string(void)
{
text = malloc(START_STRSIZE);
text_asize = START_STRSIZE;
- text_ptr = text;
text_size = 0;
- *text_ptr = 0;
+ *text = 0;
}
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;
- text_ptr = text + text_size;
}
- memcpy(text_ptr, str, size);
- text_ptr += size;
+ memcpy(text + text_size, str, size);
text_size += size;
- *text_ptr = 0;
+ text[text_size] = 0;
}
void alloc_string(const char *str, int size)
@@ -72,10 +75,13 @@ n [A-Za-z0-9_]
int str = 0;
int ts, i;
-[ \t]*#.*\n current_file->lineno++;
+[ \t]*#.*\n |
+[ \t]*\n {
+ current_file->lineno++;
+ return T_EOL;
+}
[ \t]*#.*
-[ \t]*\n current_file->lineno++; return T_EOL;
[ \t]+ {
BEGIN(COMMAND);
@@ -88,42 +94,25 @@ n [A-Za-z0-9_]
<COMMAND>{
- "mainmenu" BEGIN(PARAM); return T_MAINMENU;
- "menu" BEGIN(PARAM); return T_MENU;
- "endmenu" BEGIN(PARAM); return T_ENDMENU;
- "source" BEGIN(PARAM); return T_SOURCE;
- "choice" BEGIN(PARAM); return T_CHOICE;
- "endchoice" BEGIN(PARAM); return T_ENDCHOICE;
- "comment" BEGIN(PARAM); return T_COMMENT;
- "config" BEGIN(PARAM); return T_CONFIG;
- "menuconfig" BEGIN(PARAM); return T_MENUCONFIG;
- "help" BEGIN(PARAM); return T_HELP;
- "if" BEGIN(PARAM); return T_IF;
- "endif" BEGIN(PARAM); return T_ENDIF;
- "depends" BEGIN(PARAM); return T_DEPENDS;
- "requires" BEGIN(PARAM); return T_REQUIRES;
- "optional" BEGIN(PARAM); return T_OPTIONAL;
- "default" BEGIN(PARAM); return T_DEFAULT;
- "prompt" BEGIN(PARAM); return T_PROMPT;
- "tristate" BEGIN(PARAM); return T_TRISTATE;
- "def_tristate" BEGIN(PARAM); return T_DEF_TRISTATE;
- "bool" BEGIN(PARAM); return T_BOOLEAN;
- "boolean" BEGIN(PARAM); return T_BOOLEAN;
- "def_bool" BEGIN(PARAM); return T_DEF_BOOLEAN;
- "def_boolean" BEGIN(PARAM); return T_DEF_BOOLEAN;
- "int" BEGIN(PARAM); return T_INT;
- "hex" BEGIN(PARAM); return T_HEX;
- "string" BEGIN(PARAM); return T_STRING;
- "select" BEGIN(PARAM); return T_SELECT;
- "enable" BEGIN(PARAM); return T_SELECT;
- "range" BEGIN(PARAM); return T_RANGE;
{n}+ {
+ 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;
}
.
- \n current_file->lineno++; BEGIN(INITIAL);
+ \n {
+ BEGIN(INITIAL);
+ current_file->lineno++;
+ return T_EOL;
+ }
}
<PARAM>{
@@ -134,8 +123,6 @@ n [A-Za-z0-9_]
"!" return T_NOT;
"=" return T_EQUAL;
"!=" return T_UNEQUAL;
- "if" return T_IF;
- "on" return T_ON;
\"|\' {
str = yytext[0];
new_string();
@@ -144,6 +131,11 @@ n [A-Za-z0-9_]
\n BEGIN(INITIAL); current_file->lineno++; return T_EOL;
--- /* ignore */
({n}|[-/.])+ {
+ 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;
@@ -236,9 +228,9 @@ n [A-Za-z0-9_]
}
<<EOF>> {
- if (current_buf) {
+ if (current_file) {
zconf_endfile();
- return T_EOF;
+ return T_EOL;
}
fclose(yyin);
yyterminate();
@@ -329,7 +321,7 @@ void zconf_nextfile(const char *name)
current_file = file;
}
-static struct buffer *zconf_endfile(void)
+static void zconf_endfile(void)
{
struct buffer *parent;
@@ -345,22 +337,14 @@ static struct buffer *zconf_endfile(void)
}
free(current_buf);
current_buf = parent;
-
- return parent;
}
int zconf_lineno(void)
{
- if (current_buf)
- return current_file->lineno - 1;
- else
- return 0;
+ return current_pos.lineno;
}
char *zconf_curname(void)
{
- if (current_buf)
- return current_file->name;
- else
- return "<none>";
+ return current_pos.file ? current_pos.file->name : "<none>";
}