/*************************************************************************/
/*  gdscript_warning.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef GDSCRIPT_WARNINGS
#define GDSCRIPT_WARNINGS

#ifdef DEBUG_ENABLED

#include "core/ustring.h"
#include "core/vector.h"

class GDScriptWarning {
public:
	enum Code {
		UNASSIGNED_VARIABLE, // Variable used but never assigned
		UNASSIGNED_VARIABLE_OP_ASSIGN, // Variable never assigned but used in an assignment operation (+=, *=, etc)
		UNUSED_VARIABLE, // Local variable is declared but never used
		SHADOWED_VARIABLE, // Variable name shadowed by other variable
		UNUSED_CLASS_VARIABLE, // Class variable is declared but never used in the file
		UNUSED_ARGUMENT, // Function argument is never used
		UNREACHABLE_CODE, // Code after a return statement
		STANDALONE_EXPRESSION, // Expression not assigned to a variable
		VOID_ASSIGNMENT, // Function returns void but it's assigned to a variable
		NARROWING_CONVERSION, // Float value into an integer slot, precision is lost
		FUNCTION_MAY_YIELD, // Typed assign of function call that yields (it may return a function state)
		VARIABLE_CONFLICTS_FUNCTION, // Variable has the same name of a function
		FUNCTION_CONFLICTS_VARIABLE, // Function has the same name of a variable
		FUNCTION_CONFLICTS_CONSTANT, // Function has the same name of a constant
		INCOMPATIBLE_TERNARY, // Possible values of a ternary if are not mutually compatible
		UNUSED_SIGNAL, // Signal is defined but never emitted
		RETURN_VALUE_DISCARDED, // Function call returns something but the value isn't used
		PROPERTY_USED_AS_FUNCTION, // Function not found, but there's a property with the same name
		CONSTANT_USED_AS_FUNCTION, // Function not found, but there's a constant with the same name
		FUNCTION_USED_AS_PROPERTY, // Property not found, but there's a function with the same name
		INTEGER_DIVISION, // Integer divide by integer, decimal part is discarded
		UNSAFE_PROPERTY_ACCESS, // Property not found in the detected type (but can be in subtypes)
		UNSAFE_METHOD_ACCESS, // Function not found in the detected type (but can be in subtypes)
		UNSAFE_CAST, // Cast used in an unknown type
		UNSAFE_CALL_ARGUMENT, // Function call argument is of a supertype of the require argument
		DEPRECATED_KEYWORD, // The keyword is deprecated and should be replaced
		STANDALONE_TERNARY, // Return value of ternary expression is discarded
		WARNING_MAX,
	};

	Code code = WARNING_MAX;
	int line = -1;
	Vector<String> symbols;

	String get_name() const;
	String get_message() const;
	static String get_name_from_code(Code p_code);
	static Code get_code_from_name(const String &p_name);
};

#endif // DEBUG_ENABLED

#endif // GDSCRIPT_WARNINGS