From 553c30c6d1599fe97fe943cc0b78b7b3c05cdbc2 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Fri, 1 Sep 2017 11:28:22 +0800
Subject: [PATCH] sproto.default returns array type

---
 lualib-src/sproto/lsproto.c | 50 +++++++++++++++++++++++++------------
 1 file changed, 34 insertions(+), 16 deletions(-)

diff --git a/lualib-src/sproto/lsproto.c b/lualib-src/sproto/lsproto.c
index 9cb61a4a..027dc5fa 100644
--- a/lualib-src/sproto/lsproto.c
+++ b/lualib-src/sproto/lsproto.c
@@ -621,31 +621,49 @@ lloadproto(lua_State *L) {
 	return 1;
 }
 
+static void
+push_default(const struct sproto_arg *args, int array) {
+	lua_State *L = args->ud;
+	switch(args->type) {
+	case SPROTO_TINTEGER:
+		if (args->extra)
+			lua_pushnumber(L, 0.0);
+		else
+			lua_pushinteger(L, 0);
+		break;
+	case SPROTO_TBOOLEAN:
+		lua_pushboolean(L, 0);
+		break;
+	case SPROTO_TSTRING:
+		lua_pushliteral(L, "");
+		break;
+	case SPROTO_TSTRUCT:
+		if (array) {
+			lua_pushstring(L, sproto_name(args->subtype));
+		} else {
+			lua_createtable(L, 0, 1);
+			lua_pushstring(L, sproto_name(args->subtype));
+			lua_setfield(L, -2, "__type");
+		}
+		break;
+	default:
+		luaL_error(L, "Invalid type %d", args->type);
+		break;
+	}
+}
+
 static int
 encode_default(const struct sproto_arg *args) {
 	lua_State *L = args->ud;
 	lua_pushstring(L, args->tagname);
 	if (args->index > 0) {
 		lua_newtable(L);
+		push_default(args, 1);
+		lua_setfield(L, -2, "__array");
 		lua_rawset(L, -3);
 		return SPROTO_CB_NOARRAY;
 	} else {
-		switch(args->type) {
-		case SPROTO_TINTEGER:
-			lua_pushinteger(L, 0);
-			break;
-		case SPROTO_TBOOLEAN:
-			lua_pushboolean(L, 0);
-			break;
-		case SPROTO_TSTRING:
-			lua_pushliteral(L, "");
-			break;
-		case SPROTO_TSTRUCT:
-			lua_createtable(L, 0, 1);
-			lua_pushstring(L, sproto_name(args->subtype));
-			lua_setfield(L, -2, "__type");
-			break;
-		}
+		push_default(args, 0);
 		lua_rawset(L, -3);
 		return SPROTO_CB_NIL;
 	}