Mono: Partially implement some Godot debug api functions

Debug breaks sent with debug_break and debug_break_parse should display correctly in the Godot debugger now.

modules/mono/csharp_script.cpp

@@ -499,6 +499,47 @@ String CSharpLanguage::_get_indentation() const {
 	return "\t";
 }
 
+String CSharpLanguage::debug_get_error() const {
+
+	return _debug_error;
+}
+
+int CSharpLanguage::debug_get_stack_level_count() const {
+
+	if (_debug_parse_err_line >= 0)
+		return 1;
+
+	// TODO: StackTrace
+	return 1;
+}
+
+int CSharpLanguage::debug_get_stack_level_line(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return _debug_parse_err_line;
+
+	// TODO: StackTrace
+	return 1;
+}
+
+String CSharpLanguage::debug_get_stack_level_function(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return String();
+
+	// TODO: StackTrace
+	return String();
+}
+
+String CSharpLanguage::debug_get_stack_level_source(int p_level) const {
+
+	if (_debug_parse_err_line >= 0)
+		return _debug_parse_err_file;
+
+	// TODO: StackTrace
+	return String();
+}
+
 Vector<ScriptLanguage::StackInfo> CSharpLanguage::debug_get_current_stack_info() {
 
 #ifdef DEBUG_ENABLED
@@ -958,12 +999,11 @@ void CSharpLanguage::thread_exit() {
 
 bool CSharpLanguage::debug_break_parse(const String &p_file, int p_line, const String &p_error) {
 
-	// Break because of parse error
+	// Not a parser error in our case, but it's still used for other type of errors
 	if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
-		// TODO
-		//_debug_parse_err_line = p_line;
-		//_debug_parse_err_file = p_file;
-		//_debug_error = p_error;
+		_debug_parse_err_line = p_line;
+		_debug_parse_err_file = p_file;
+		_debug_error = p_error;
 		ScriptDebugger::get_singleton()->debug(this, false);
 		return true;
 	} else {
@@ -974,10 +1014,9 @@ bool CSharpLanguage::debug_break_parse(const String &p_file, int p_line, const S
 bool CSharpLanguage::debug_break(const String &p_error, bool p_allow_continue) {
 
 	if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
-		// TODO
-		//_debug_parse_err_line = -1;
-		//_debug_parse_err_file = "";
-		//_debug_error = p_error;
+		_debug_parse_err_line = -1;
+		_debug_parse_err_file = "";
+		_debug_error = p_error;
 		ScriptDebugger::get_singleton()->debug(this, p_allow_continue);
 		return true;
 	} else {

modules/mono/csharp_script.h

@@ -162,7 +162,7 @@ public:
 	virtual bool has_script_signal(const StringName &p_signal) const;
 	virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
 
-	/* TODO */ virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
+	virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
 	virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
 	virtual void update_exports();
 
@@ -309,6 +309,11 @@ class CSharpLanguage : public ScriptLanguage {
 
 	Dictionary scripts_metadata;
 
+	// For debug_break and debug_break_parse
+	int _debug_parse_err_line;
+	String _debug_parse_err_file;
+	String _debug_error;
+
 	friend class GDMono;
 	void _uninitialize_script_bindings();
 
@@ -368,11 +373,11 @@ public:
 	/* TODO */ virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) {}
 
 	/* DEBUGGER FUNCTIONS */
-	/* TODO */ virtual String debug_get_error() const { return ""; }
-	/* TODO */ virtual int debug_get_stack_level_count() const { return 1; }
-	/* TODO */ virtual int debug_get_stack_level_line(int p_level) const { return 1; }
-	/* TODO */ virtual String debug_get_stack_level_function(int p_level) const { return ""; }
-	/* TODO */ virtual String debug_get_stack_level_source(int p_level) const { return ""; }
+	virtual String debug_get_error() const;
+	virtual int debug_get_stack_level_count() const;
+	virtual int debug_get_stack_level_line(int p_level) const;
+	virtual String debug_get_stack_level_function(int p_level) const;
+	virtual String debug_get_stack_level_source(int p_level) const;
 	/* TODO */ virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}
 	/* TODO */ virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}
 	/* TODO */ virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}