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Subject[PATCH 16/30] kconfig: add 'info' and 'warning' built-in functions
Date
Add 'info' and 'warning' functions as in Make.

They print messages during parsing Kconfig files, which is useful
when debugging Kconfig at least.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Changes in v3: None
Changes in v2: None

scripts/kconfig/preprocess.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 85972fb..f8d06d9 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -203,6 +203,19 @@ static char *join_args(int argc, char *argv[])
return out;
}

+static char *do_info(int argc, char *argv[])
+{
+ char *msg;
+
+ msg = join_args(argc, argv);
+
+ printf("%s\n", msg);
+
+ free(msg);
+
+ return xstrdup("");
+}
+
static char *do_shell(int argc, char *argv[])
{
FILE *p;
@@ -244,8 +257,23 @@ static char *do_shell(int argc, char *argv[])
return xstrdup(buf);
}

+static char *do_warning(int argc, char *argv[])
+{
+ char *msg;
+
+ msg = join_args(argc, argv);
+
+ fprintf(stderr, "%s:%d: %s\n", current_file->name, yylineno, msg);
+
+ free(msg);
+
+ return xstrdup("");
+}
+
static const struct function function_table[] = {
+ { .name = "info", .func = do_info },
{ .name = "shell", .func = do_shell },
+ { .name = "warning", .func = do_warning },
};

static char *function_call(const char *name, int argc, char *argv[])
--
2.7.4
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