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godot/modules/gdscript/gdscript_warning.cpp

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New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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/*************************************************************************/
/* gdscript_warning.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
Update copyright statements to 2021 Happy new year to the wonderful Godot community! 2020 has been a tough year for most of us personally, but a good year for Godot development nonetheless with a huge amount of work done towards Godot 4.0 and great improvements backported to the long-lived 3.2 branch. We've had close to 400 contributors to engine code this year, authoring near 7,000 commit! (And that's only for the `master` branch and for the engine code, there's a lot more when counting docs, demos and other first-party repos.) Here's to a great year 2021 for all Godot users 🎆
2021-01-01 19:13:46 +00:00
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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/* */
/* 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"
Reorganized core/ directory, it was too fatty already -Removed FuncRef, since Callable makes it obsolete -Removed int_types.h as its obsolete in c++11+ -Changed color names code
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#include "core/variant/variant.h"
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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#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;
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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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;
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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case SHADOWED_VARIABLE: {
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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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]);
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
} break;
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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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: {
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
CHECK_SYMBOLS(1);
return "The class variable '" + symbols[0] + "' is declared but never used in the script.";
} break;
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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case UNUSED_PARAMETER: {
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
CHECK_SYMBOLS(2);
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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return "The parameter '" + symbols[1] + "' is never used in the function '" + symbols[0] + "'. If this is intended, prefix it with an underscore: '_" + symbols[1] + "'";
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
} break;
case UNREACHABLE_CODE: {
CHECK_SYMBOLS(1);
return "Unreachable code (statement after return) in function '" + symbols[0] + "()'.";
} break;
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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case UNREACHABLE_PATTERN: {
return "Unreachable pattern (pattern after wildcard or bind).";
} break;
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
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.";
}
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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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.)";
}
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
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",
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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"UNUSED_LOCAL_CONSTANT",
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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"SHADOWED_VARIABLE",
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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"SHADOWED_VARIABLE_BASE_CLASS",
"UNUSED_PRIVATE_CLASS_VARIABLE",
"UNUSED_PARAMETER",
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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"UNREACHABLE_CODE",
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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"UNREACHABLE_PATTERN",
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
2020-05-01 22:14:56 +00:00
"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",
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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"ASSERT_ALWAYS_TRUE",
"ASSERT_ALWAYS_FALSE",
"REDUNDANT_AWAIT",
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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};
Add warning checks in GDScript analyzer Reenable checking those when validating code.
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static_assert((sizeof(names) / sizeof(*names)) == WARNING_MAX, "Amount of warning types don't match the amount of warning names.");
New GDScript tokenizer and parser Sometimes to fix something you have to break it first. This get GDScript mostly working with the new tokenizer and parser but a lot of things isn't working yet. It compiles and it's usable, and that should be enough for now. Don't worry: other huge commits will come after this.
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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
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