From a56d6ff35fae14dfd9257c3c1c059153a241ebca Mon Sep 17 00:00:00 2001
From: chanon <chanon.s@gmail.com>
Date: Thu, 17 May 2018 21:00:49 +0700
Subject: [PATCH] add new get_stack function to get GDScript stack trace as
 array

---
 modules/gdscript/gdscript_functions.cpp | 22 ++++++++++++++++++++++
 modules/gdscript/gdscript_functions.h   |  1 +
 2 files changed, 23 insertions(+)

diff --git a/modules/gdscript/gdscript_functions.cpp b/modules/gdscript/gdscript_functions.cpp
index a88ba477c688..cccf09c58ee2 100644
--- a/modules/gdscript/gdscript_functions.cpp
+++ b/modules/gdscript/gdscript_functions.cpp
@@ -120,6 +120,7 @@ const char *GDScriptFunctions::get_func_name(Function p_func) {
 		"Color8",
 		"ColorN",
 		"print_stack",
+		"get_stack",
 		"instance_from_id",
 		"len",
 		"is_instance_valid",
@@ -1213,6 +1214,22 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_
 			};
 		} break;
 
+		case GET_STACK: {
+			VALIDATE_ARG_COUNT(0);
+
+			ScriptLanguage *script = GDScriptLanguage::get_singleton();
+			Array ret;
+			for (int i = 0; i < script->debug_get_stack_level_count(); i++) {
+
+				Dictionary frame;
+				frame["source"] = script->debug_get_stack_level_source(i);
+				frame["function"] = script->debug_get_stack_level_function(i);
+				frame["line"] = script->debug_get_stack_level_line(i);
+				ret.push_back(frame);
+			};
+			r_ret = ret;
+		} break;
+
 		case INSTANCE_FROM_ID: {
 
 			VALIDATE_ARG_COUNT(1);
@@ -1813,6 +1830,11 @@ MethodInfo GDScriptFunctions::get_info(Function p_func) {
 			mi.return_val.type = Variant::NIL;
 			return mi;
 		} break;
+		case GET_STACK: {
+			MethodInfo mi("get_stack");
+			mi.return_val.type = Variant::NIL;
+			return mi;
+		} break;
 
 		case INSTANCE_FROM_ID: {
 			MethodInfo mi("instance_from_id", PropertyInfo(Variant::INT, "instance_id"));
diff --git a/modules/gdscript/gdscript_functions.h b/modules/gdscript/gdscript_functions.h
index c4731d17a463..899a7ebd252a 100644
--- a/modules/gdscript/gdscript_functions.h
+++ b/modules/gdscript/gdscript_functions.h
@@ -111,6 +111,7 @@ class GDScriptFunctions {
 		COLOR8,
 		COLORN,
 		PRINT_STACK,
+		GET_STACK,
 		INSTANCE_FROM_ID,
 		LEN,
 		IS_INSTANCE_VALID,