tccpp: Implement __BASE_FILE__ macro

Like __FILE__ but always refers to the command line file name also
from inside headers.

2 files changed, 16 insertions, 0 deletions

diff --git a/tests/tcctest.c b/tests/tcctest.c
index 10033a4..025d12d 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -59,6 +59,8 @@
 
 #include "tcclib.h"
 
+#include "tcctest.h"
+
 void intdiv_test();
 void string_test();
 void expr_test();
@@ -389,6 +391,11 @@ comment
     /* And again when the name and parenthes are separated by a
        comment.  */
     TEST2 /* the comment */ ();
+
+    printf("%s\n", get_basefile_from_header());
+    printf("%s\n", __BASE_FILE__);
+    printf("%s\n", get_file_from_header());
+    printf("%s\n", __FILE__);
 }
 
 
diff --git a/tests/tcctest.h b/tests/tcctest.h
new file mode 100644
index 0000000..b301c7c
--- /dev/null
+++ b/tests/tcctest.h
@@ -0,0 +1,9 @@
+static inline const char *get_basefile_from_header(void)
+{
+  return __BASE_FILE__;
+}
+
+static inline const char *get_file_from_header(void)
+{
+  return __FILE__;
+}