debug origin lines
diff --git a/libasn1compiler/asn1c_out.c b/libasn1compiler/asn1c_out.c
index 8314bb5..b381e21 100644
--- a/libasn1compiler/asn1c_out.c
+++ b/libasn1compiler/asn1c_out.c
@@ -6,7 +6,8 @@
* into appropriate output stream.
*/
int
-asn1c_compiled_output(arg_t *arg, const char *fmt, ...) {
+asn1c_compiled_output(arg_t *arg, const char *source, int lineno, const char *func, const char *fmt,
+ ...) {
struct compiler_stream_destination_s *dst;
const char *p;
int lf_found;
@@ -45,13 +46,19 @@
}
dst->indented = 1;
while(i--) {
- ret = asn1c_compiled_output(arg, "\t");
+ ret = asn1c_compiled_output(arg, source, lineno, func, "\t");
if(ret == -1) return -1;
}
}
if(lf_found)
dst->indented = 0;
+ size_t debug_reserve_size = 0;
+ if(lf_found && (arg->flags & A1C_DEBUG_OUTPUT_ORIGIN_LINES)) {
+ debug_reserve_size =
+ sizeof("\t// :100000 ()") + strlen(source) + strlen(func);
+ }
+
/*
* Allocate buffer.
*/
@@ -62,7 +69,7 @@
do {
void *tmp;
m->len <<= 2;
- tmp = realloc(m->buf, m->len);
+ tmp = realloc(m->buf, m->len + debug_reserve_size);
if(tmp) {
m->buf = (char *)tmp;
} else {
@@ -77,6 +84,15 @@
m->len = ret;
+ /* Print out the origin of the lines */
+ if(lf_found && (arg->flags & A1C_DEBUG_OUTPUT_ORIGIN_LINES)) {
+ assert(m->buf[m->len - 1] == '\n');
+ ret = snprintf(m->buf + m->len - 1, debug_reserve_size,
+ "\t// %s:%03d %s()\n", source, lineno, func);
+ assert(ret > 0 && (size_t)ret < debug_reserve_size);
+ m->len = m->len - 1 + ret;
+ }
+
if(arg->target->target == OT_INCLUDES
|| arg->target->target == OT_FWD_DECLS
|| arg->target->target == OT_POST_INCLUDE) {