Document how to bypass the unused argument/variable warning in message

Note that prefixing with an underscore only works with unused arguments
and local variables, not class variables and signals.

This closes #26056.
This commit is contained in:
Hugo Locurcio 2019-11-27 22:51:24 +01:00
parent a87a871250
commit 247767eb89
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@ -1155,8 +1155,6 @@ bool GDScriptInstance::has_method(const StringName &p_method) const {
}
Variant GDScriptInstance::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
//printf("calling %ls:%i method %ls\n", script->get_path().c_str(), -1, String(p_method).c_str());
GDScript *sptr = script.ptr();
while (sptr) {
Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(p_method);
@ -1952,11 +1950,11 @@ String GDScriptWarning::get_message() const {
} break;
case UNUSED_VARIABLE: {
CHECK_SYMBOLS(1);
return "The local variable '" + symbols[0] + "' is declared but never used in the block.";
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 SHADOWED_VARIABLE: {
CHECK_SYMBOLS(2);
return "The local variable '" + symbols[0] + "' is shadowing an already defined variable at line " + symbols[1] + ".";
return "The local variable '" + symbols[0] + "' is shadowing an already-defined variable at line " + symbols[1] + ".";
} break;
case UNUSED_CLASS_VARIABLE: {
CHECK_SYMBOLS(1);
@ -1964,7 +1962,7 @@ String GDScriptWarning::get_message() const {
} break;
case UNUSED_ARGUMENT: {
CHECK_SYMBOLS(2);
return "The argument '" + symbols[1] + "' is never used in the function '" + symbols[0] + "'.";
return "The argument '" + 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);