Update libucl

1 files changed, 38 insertions, 3 deletions

diff --git a/contrib/libucl/ucl_emitter.c b/contrib/libucl/ucl_emitter.c
index 8bfbf09b8..84108e21d 100644
--- a/contrib/libucl/ucl_emitter.c
+++ b/contrib/libucl/ucl_emitter.c
@@ -362,6 +362,7 @@ ucl_emitter_common_elt (struct ucl_emitter_context *ctx,
 	const struct ucl_emitter_functions *func = ctx->func;
 	bool flag;
 	struct ucl_object_userdata *ud;
+	const ucl_object_t *comment = NULL, *cur_comment;
 	const char *ud_out = "";
 
 	if (ctx->id != UCL_EMIT_CONFIG && !first) {
@@ -379,6 +380,25 @@ ucl_emitter_common_elt (struct ucl_emitter_context *ctx,
 
 	ucl_add_tabs (func, ctx->indent, compact);
 
+	if (ctx->comments && ctx->id == UCL_EMIT_CONFIG) {
+		comment = ucl_object_find_keyl (ctx->comments, (const char *)&obj,
+				sizeof (void *));
+
+		if (comment) {
+			if (!(comment->flags & UCL_OBJECT_INHERITED)) {
+				DL_FOREACH (comment, cur_comment) {
+					func->ucl_emitter_append_len (cur_comment->value.sv,
+							cur_comment->len,
+							func->ud);
+					func->ucl_emitter_append_character ('\n', 1, func->ud);
+					ucl_add_tabs (func, ctx->indent, compact);
+				}
+
+				comment = NULL;
+			}
+		}
+	}
+
 	switch (obj->type) {
 	case UCL_INT:
 		ucl_emitter_print_key (print_key, ctx, obj, compact);
@@ -438,6 +458,19 @@ ucl_emitter_common_elt (struct ucl_emitter_context *ctx,
 		ucl_emitter_finish_object (ctx, obj, compact, !print_key);
 		break;
 	}
+
+	if (comment) {
+		DL_FOREACH (comment, cur_comment) {
+			func->ucl_emitter_append_len (cur_comment->value.sv,
+					cur_comment->len,
+					func->ud);
+			func->ucl_emitter_append_character ('\n', 1, func->ud);
+
+			if (cur_comment->next) {
+				ucl_add_tabs (func, ctx->indent, compact);
+			}
+		}
+	}
 }
 
 /*
@@ -605,10 +638,10 @@ ucl_object_emit_len (const ucl_object_t *obj, enum ucl_emitter emit_type,
 	}
 
 	func = ucl_object_emit_memory_funcs ((void **)&res);
-	s = func->ud;
 
 	if (func != NULL) {
-		ucl_object_emit_full (obj, emit_type, func);
+		s = func->ud;
+		ucl_object_emit_full (obj, emit_type, func, NULL);
 
 		if (outlen != NULL) {
 			*outlen = s->i;
@@ -622,7 +655,8 @@ ucl_object_emit_len (const ucl_object_t *obj, enum ucl_emitter emit_type,
 
 bool
 ucl_object_emit_full (const ucl_object_t *obj, enum ucl_emitter emit_type,
-		struct ucl_emitter_functions *emitter)
+		struct ucl_emitter_functions *emitter,
+		const ucl_object_t *comments)
 {
 	const struct ucl_emitter_context *ctx;
 	struct ucl_emitter_context my_ctx;
@@ -634,6 +668,7 @@ ucl_object_emit_full (const ucl_object_t *obj, enum ucl_emitter emit_type,
 		my_ctx.func = emitter;
 		my_ctx.indent = 0;
 		my_ctx.top = obj;
+		my_ctx.comments = comments;
 
 		my_ctx.ops->ucl_emitter_write_elt (&my_ctx, obj, true, false);
 		res = true;