From 3ea6d9f37d7ea5899ef035efb2f746422d75ddb5 Mon Sep 17 00:00:00 2001
From: chanon <chanon.s@gmail.com>
Date: Thu, 17 May 2018 16:00:27 +0700
Subject: add new print_debug method which shows source and line number

---
 modules/gdscript/gdscript_functions.cpp | 26 ++++++++++++++++++++++++++
 modules/gdscript/gdscript_functions.h   |  1 +
 2 files changed, 27 insertions(+)

diff --git a/modules/gdscript/gdscript_functions.cpp b/modules/gdscript/gdscript_functions.cpp
index a88ba477c6..aba532b290 100644
--- a/modules/gdscript/gdscript_functions.cpp
+++ b/modules/gdscript/gdscript_functions.cpp
@@ -105,6 +105,7 @@ const char *GDScriptFunctions::get_func_name(Function p_func) {
 		"prints",
 		"printerr",
 		"printraw",
+		"print_debug",
 		"var2str",
 		"str2var",
 		"var2bytes",
@@ -701,6 +702,23 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_
 			r_ret = Variant();
 
 		} break;
+		case TEXT_PRINT_DEBUG: {
+			String str;
+			for (int i = 0; i < p_arg_count; i++) {
+
+				str += p_args[i]->operator String();
+			}
+
+			ScriptLanguage *script = GDScriptLanguage::get_singleton();
+			if (script->debug_get_stack_level_count() > 0) {
+				str += "\n\t";
+				str += "At: " + script->debug_get_stack_level_source(0) + ":" + itos(script->debug_get_stack_level_line(0)); // + " in function '" + script->debug_get_stack_level_function(0) + "'";
+			}
+
+			//str+="\n";
+			print_line(str);
+			r_ret = Variant();
+		} break;
 		case VAR_TO_STR: {
 			VALIDATE_ARG_COUNT(1);
 			String vars;
@@ -1715,6 +1733,14 @@ MethodInfo GDScriptFunctions::get_info(Function p_func) {
 			mi.flags |= METHOD_FLAG_VARARG;
 			return mi;
 
+		} break;
+		case TEXT_PRINT_DEBUG: {
+
+			MethodInfo mi("print_debug");
+			mi.return_val.type = Variant::NIL;
+			mi.flags |= METHOD_FLAG_VARARG;
+			return mi;
+
 		} break;
 		case VAR_TO_STR: {
 			MethodInfo mi("var2str", PropertyInfo(Variant::NIL, "var"));
diff --git a/modules/gdscript/gdscript_functions.h b/modules/gdscript/gdscript_functions.h
index c4731d17a4..de355d8a53 100644
--- a/modules/gdscript/gdscript_functions.h
+++ b/modules/gdscript/gdscript_functions.h
@@ -96,6 +96,7 @@ public:
 		TEXT_PRINT_SPACED,
 		TEXT_PRINTERR,
 		TEXT_PRINTRAW,
+		TEXT_PRINT_DEBUG,
 		VAR_TO_STR,
 		STR_TO_VAR,
 		VAR_TO_BYTES,
-- 
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