Method CompareMethods

IDEHelper/Compiler/BfExprEvaluator.cpp:754–1300

}

void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTypeVector* prevGenericArgumentsSubstitute,
	BfMethodInstance* newMethodInstance, BfTypeVector* genericArgumentsSubstitute,
	bool* outNewIsBetter, bool* outNewIsWorse, bool allowSpecializeFail)
{
	if (prevMethodInstance == newMethodInstance)
	{
		*outNewIsBetter = false;
		*outNewIsWorse = true;
		return;
	}

	#define SET_BETTER_OR_WORSE(lhs, rhs) \
		if ((!isBetter) && (lhs) && !(rhs)) isBetter = true; \
		if ((!isWorse) && !(lhs) && (rhs)) isWorse = true;

	#define RETURN_BETTER_OR_WORSE(lhs, rhs) \
 		if ((!isBetter) && (lhs) && !(rhs)) { *outNewIsBetter = true; *outNewIsWorse = false; return; } \
 		if ((!isWorse) && !(lhs) && (rhs)) { *outNewIsBetter = false; *outNewIsWorse = true; return; };

	#define RETURN_RESULTS \
		*outNewIsBetter = isBetter; \
		*outNewIsWorse = isWorse; \
		return;

 	int numUsedParams = 0;
	int prevNumUsedParams = 0;
	bool usedExtendedForm = false;
	bool prevUsedExtendedForm = false;

	bool isBetter = false;
	bool isWorse = false;
	int argIdx;

	BfMethodDef* prevMethodDef = prevMethodInstance->mMethodDef;
	BfMethodDef* newMethodDef = newMethodInstance->mMethodDef;

	if (prevMethodDef == mBackupMethodDef)
	{
		// This can happen for extension methods and such
		*outNewIsBetter = true;
		*outNewIsWorse = false;
		return;
	}

	if (newMethodDef->mExplicitInterface != prevMethodDef->mExplicitInterface)
	{
		if (mModule->CompareMethodSignatures(newMethodInstance, prevMethodInstance))
		{
			SET_BETTER_OR_WORSE(newMethodDef->mExplicitInterface != NULL, prevMethodDef->mExplicitInterface != NULL);
			*outNewIsBetter = isBetter;
			*outNewIsWorse = isWorse;
			return;
		}
	}

	bool anyIsExtension = false;

	int newImplicitParamCount = newMethodInstance->GetImplicitParamCount();