diff options
Diffstat (limited to 'scripts/kconfig/zconf.l')
-rw-r--r-- | scripts/kconfig/zconf.l | 96 |
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>"; } |