211 lines
8.8 KiB
C++
211 lines
8.8 KiB
C++
/*************************************************************************/
|
|
/* gdscript_warning.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "gdscript_warning.h"
|
|
|
|
#include "core/variant/variant.h"
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
|
|
String GDScriptWarning::get_message() const {
|
|
#define CHECK_SYMBOLS(m_amount) ERR_FAIL_COND_V(symbols.size() < m_amount, String());
|
|
|
|
switch (code) {
|
|
case UNASSIGNED_VARIABLE_OP_ASSIGN: {
|
|
CHECK_SYMBOLS(1);
|
|
return "Using assignment with operation but the variable '" + symbols[0] + "' was not previously assigned a value.";
|
|
} break;
|
|
case UNASSIGNED_VARIABLE: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The variable '" + symbols[0] + "' was used but never assigned a value.";
|
|
} break;
|
|
case UNUSED_VARIABLE: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The local variable '" + symbols[0] + "' is declared but never used in the block. If this is intended, prefix it with an underscore: '_" + symbols[0] + "'";
|
|
} break;
|
|
case UNUSED_LOCAL_CONSTANT: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The local constant '" + symbols[0] + "' is declared but never used in the block. If this is intended, prefix it with an underscore: '_" + symbols[0] + "'";
|
|
} break;
|
|
case SHADOWED_VARIABLE: {
|
|
CHECK_SYMBOLS(4);
|
|
return vformat(R"(The local %s "%s" is shadowing an already-declared %s at line %s.)", symbols[0], symbols[1], symbols[2], symbols[3]);
|
|
} break;
|
|
case SHADOWED_VARIABLE_BASE_CLASS: {
|
|
CHECK_SYMBOLS(4);
|
|
return vformat(R"(The local %s "%s" is shadowing an already-declared %s at the base class "%s".)", symbols[0], symbols[1], symbols[2], symbols[3]);
|
|
} break;
|
|
case UNUSED_PRIVATE_CLASS_VARIABLE: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The class variable '" + symbols[0] + "' is declared but never used in the script.";
|
|
} break;
|
|
case UNUSED_PARAMETER: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The parameter '" + symbols[1] + "' is never used in the function '" + symbols[0] + "'. If this is intended, prefix it with an underscore: '_" + symbols[1] + "'";
|
|
} break;
|
|
case UNREACHABLE_CODE: {
|
|
CHECK_SYMBOLS(1);
|
|
return "Unreachable code (statement after return) in function '" + symbols[0] + "()'.";
|
|
} break;
|
|
case UNREACHABLE_PATTERN: {
|
|
return "Unreachable pattern (pattern after wildcard or bind).";
|
|
} break;
|
|
case STANDALONE_EXPRESSION: {
|
|
return "Standalone expression (the line has no effect).";
|
|
} break;
|
|
case VOID_ASSIGNMENT: {
|
|
CHECK_SYMBOLS(1);
|
|
return "Assignment operation, but the function '" + symbols[0] + "()' returns void.";
|
|
} break;
|
|
case NARROWING_CONVERSION: {
|
|
return "Narrowing conversion (float is converted to int and loses precision).";
|
|
} break;
|
|
case INCOMPATIBLE_TERNARY: {
|
|
return "Values of the ternary conditional are not mutually compatible.";
|
|
} break;
|
|
case UNUSED_SIGNAL: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The signal '" + symbols[0] + "' is declared but never emitted.";
|
|
} break;
|
|
case RETURN_VALUE_DISCARDED: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The function '" + symbols[0] + "()' returns a value, but this value is never used.";
|
|
} break;
|
|
case PROPERTY_USED_AS_FUNCTION: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The method '" + symbols[0] + "()' was not found in base '" + symbols[1] + "' but there's a property with the same name. Did you mean to access it?";
|
|
} break;
|
|
case CONSTANT_USED_AS_FUNCTION: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The method '" + symbols[0] + "()' was not found in base '" + symbols[1] + "' but there's a constant with the same name. Did you mean to access it?";
|
|
} break;
|
|
case FUNCTION_USED_AS_PROPERTY: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The property '" + symbols[0] + "' was not found in base '" + symbols[1] + "' but there's a method with the same name. Did you mean to call it?";
|
|
} break;
|
|
case INTEGER_DIVISION: {
|
|
return "Integer division, decimal part will be discarded.";
|
|
} break;
|
|
case UNSAFE_PROPERTY_ACCESS: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The property '" + symbols[0] + "' is not present on the inferred type '" + symbols[1] + "' (but may be present on a subtype).";
|
|
} break;
|
|
case UNSAFE_METHOD_ACCESS: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The method '" + symbols[0] + "' is not present on the inferred type '" + symbols[1] + "' (but may be present on a subtype).";
|
|
} break;
|
|
case UNSAFE_CAST: {
|
|
CHECK_SYMBOLS(1);
|
|
return "The value is cast to '" + symbols[0] + "' but has an unknown type.";
|
|
} break;
|
|
case UNSAFE_CALL_ARGUMENT: {
|
|
CHECK_SYMBOLS(4);
|
|
return "The argument '" + symbols[0] + "' of the function '" + symbols[1] + "' requires a the subtype '" + symbols[2] + "' but the supertype '" + symbols[3] + "' was provided";
|
|
} break;
|
|
case DEPRECATED_KEYWORD: {
|
|
CHECK_SYMBOLS(2);
|
|
return "The '" + symbols[0] + "' keyword is deprecated and will be removed in a future release, please replace its uses by '" + symbols[1] + "'.";
|
|
} break;
|
|
case STANDALONE_TERNARY: {
|
|
return "Standalone ternary conditional operator: the return value is being discarded.";
|
|
}
|
|
case ASSERT_ALWAYS_TRUE: {
|
|
return "Assert statement is redundant because the expression is always true.";
|
|
}
|
|
case ASSERT_ALWAYS_FALSE: {
|
|
return "Assert statement will raise an error because the expression is always false.";
|
|
}
|
|
case REDUNDANT_AWAIT: {
|
|
return R"("await" keyword not needed in this case, because the expression isn't a coroutine nor a signal.)";
|
|
}
|
|
case WARNING_MAX:
|
|
break; // Can't happen, but silences warning
|
|
}
|
|
ERR_FAIL_V_MSG(String(), "Invalid GDScript warning code: " + get_name_from_code(code) + ".");
|
|
|
|
#undef CHECK_SYMBOLS
|
|
}
|
|
|
|
String GDScriptWarning::get_name() const {
|
|
return get_name_from_code(code);
|
|
}
|
|
|
|
String GDScriptWarning::get_name_from_code(Code p_code) {
|
|
ERR_FAIL_COND_V(p_code < 0 || p_code >= WARNING_MAX, String());
|
|
|
|
static const char *names[] = {
|
|
"UNASSIGNED_VARIABLE",
|
|
"UNASSIGNED_VARIABLE_OP_ASSIGN",
|
|
"UNUSED_VARIABLE",
|
|
"UNUSED_LOCAL_CONSTANT",
|
|
"SHADOWED_VARIABLE",
|
|
"SHADOWED_VARIABLE_BASE_CLASS",
|
|
"UNUSED_PRIVATE_CLASS_VARIABLE",
|
|
"UNUSED_PARAMETER",
|
|
"UNREACHABLE_CODE",
|
|
"UNREACHABLE_PATTERN",
|
|
"STANDALONE_EXPRESSION",
|
|
"VOID_ASSIGNMENT",
|
|
"NARROWING_CONVERSION",
|
|
"INCOMPATIBLE_TERNARY",
|
|
"UNUSED_SIGNAL",
|
|
"RETURN_VALUE_DISCARDED",
|
|
"PROPERTY_USED_AS_FUNCTION",
|
|
"CONSTANT_USED_AS_FUNCTION",
|
|
"FUNCTION_USED_AS_PROPERTY",
|
|
"INTEGER_DIVISION",
|
|
"UNSAFE_PROPERTY_ACCESS",
|
|
"UNSAFE_METHOD_ACCESS",
|
|
"UNSAFE_CAST",
|
|
"UNSAFE_CALL_ARGUMENT",
|
|
"DEPRECATED_KEYWORD",
|
|
"STANDALONE_TERNARY",
|
|
"ASSERT_ALWAYS_TRUE",
|
|
"ASSERT_ALWAYS_FALSE",
|
|
"REDUNDANT_AWAIT",
|
|
};
|
|
|
|
static_assert((sizeof(names) / sizeof(*names)) == WARNING_MAX, "Amount of warning types don't match the amount of warning names.");
|
|
|
|
return names[(int)p_code];
|
|
}
|
|
|
|
GDScriptWarning::Code GDScriptWarning::get_code_from_name(const String &p_name) {
|
|
for (int i = 0; i < WARNING_MAX; i++) {
|
|
if (get_name_from_code((Code)i) == p_name) {
|
|
return (Code)i;
|
|
}
|
|
}
|
|
|
|
ERR_FAIL_V_MSG(WARNING_MAX, "Invalid GDScript warning name: " + p_name);
|
|
}
|
|
|
|
#endif // DEBUG_ENABLED
|