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authorEric Andersen2003-08-05 02:18:25 +0000
committerEric Andersen2003-08-05 02:18:25 +0000
commit72d8e444f0e9e002b16328e73464ef9015979048 (patch)
treed1d99e668617e95836a1f767257e1263963feaa5 /scripts/config/zconf.l
parent461c279ac176a28dec40d1e40ebaffe4f0ac688d (diff)
downloadbusybox-72d8e444f0e9e002b16328e73464ef9015979048.zip
busybox-72d8e444f0e9e002b16328e73464ef9015979048.tar.gz
Merge/rework config system per the latest from linux-2.6.0-test2.
Fix the config bugs revealed by the updated config system. -Erik
Diffstat (limited to 'scripts/config/zconf.l')
-rw-r--r--scripts/config/zconf.l58
1 files changed, 46 insertions, 12 deletions
diff --git a/scripts/config/zconf.l b/scripts/config/zconf.l
index a412bf4..55517b2 100644
--- a/scripts/config/zconf.l
+++ b/scripts/config/zconf.l
@@ -7,6 +7,7 @@
* Released under the terms of the GNU GPL v2.0.
*/
+#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -14,7 +15,6 @@
#define LKC_DIRECT_LINK
#include "lkc.h"
-#include "zconf.tab.h"
#define START_STRSIZE 16
@@ -96,6 +96,7 @@ n [A-Za-z0-9_]
"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;
@@ -105,11 +106,17 @@ n [A-Za-z0-9_]
"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}+ {
alloc_string(yytext, yyleng);
zconflval.string = text;
@@ -141,6 +148,8 @@ n [A-Za-z0-9_]
zconflval.string = text;
return T_WORD;
}
+ #.* /* comment */
+ \\\n current_file->lineno++;
.
<<EOF>> {
BEGIN(INITIAL);
@@ -151,29 +160,30 @@ n [A-Za-z0-9_]
[^'"\\\n]+/\n {
append_string(yytext, yyleng);
zconflval.string = text;
- return T_STRING;
+ return T_WORD_QUOTE;
}
[^'"\\\n]+ {
append_string(yytext, yyleng);
}
\\.?/\n {
- append_string(yytext+1, yyleng);
+ append_string(yytext + 1, yyleng - 1);
zconflval.string = text;
- return T_STRING;
+ return T_WORD_QUOTE;
}
\\.? {
- append_string(yytext+1, yyleng);
+ append_string(yytext + 1, yyleng - 1);
}
\'|\" {
if (str == yytext[0]) {
BEGIN(PARAM);
zconflval.string = text;
- return T_STRING;
+ return T_WORD_QUOTE;
} else
append_string(yytext, 1);
}
\n {
printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
+ current_file->lineno++;
BEGIN(INITIAL);
return T_EOL;
}
@@ -204,9 +214,8 @@ n [A-Za-z0-9_]
}
append_string(" ", ts);
}
-
}
- \n/[^ \t\n] {
+ [ \t]*\n/[^ \t\n] {
current_file->lineno++;
zconf_endhelp();
return T_HELPTEXT;
@@ -246,12 +255,37 @@ void zconf_starthelp(void)
static void zconf_endhelp(void)
{
zconflval.string = text;
- BEGIN(INITIAL);
+ BEGIN(INITIAL);
+}
+
+
+/*
+ * Try to open specified file with following names:
+ * ./name
+ * $(srctree)/name
+ * The latter is used when srctree is separate from objtree
+ * when compiling the kernel.
+ * Return NULL if file is not found.
+ */
+FILE *zconf_fopen(const char *name)
+{
+ char *env, fullname[PATH_MAX+1];
+ FILE *f;
+
+ f = fopen(name, "r");
+ if (!f && name[0] != '/') {
+ env = getenv(SRCTREE);
+ if (env) {
+ sprintf(fullname, "%s/%s", env, name);
+ f = fopen(fullname, "r");
+ }
+ }
+ return f;
}
void zconf_initscan(const char *name)
{
- yyin = fopen(name, "r");
+ yyin = zconf_fopen(name);
if (!yyin) {
printf("can't find file %s\n", name);
exit(1);
@@ -272,7 +306,7 @@ void zconf_nextfile(const char *name)
memset(buf, 0, sizeof(*buf));
current_buf->state = YY_CURRENT_BUFFER;
- yyin = fopen(name, "r");
+ yyin = zconf_fopen(name);
if (!yyin) {
printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
exit(1);
@@ -318,7 +352,7 @@ static struct buffer *zconf_endfile(void)
int zconf_lineno(void)
{
if (current_buf)
- return current_file->lineno;
+ return current_file->lineno - 1;
else
return 0;
}