Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / scripts / kconfig / zconf.l

diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 55517b2..cfa4607 100644 (file)
--- 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>";
 }