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Fixed generic extension methods with primitive 'this'

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This commit is contained in:
Brian Fiete 2020-12-01 11:35:10 -08:00
parent d976ea77e9
commit 222d030aa4
3 changed files with 42 additions and 2 deletions
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24
IDEHelper/Compiler/BfExprEvaluator.cpp
View file

@ -1574,7 +1574,12 @@ bool BfMethodMatcher::CheckMethod(BfTypeInstance* targetTypeInstance, BfTypeInst
{
BfTypedValue argTypedValue;
if (argIdx == -1)
{
if (mOrigTarget)
argTypedValue = mOrigTarget;
else
argTypedValue = mTarget;
}
else
argTypedValue = ResolveArgTypedValue(mArguments[argIdx], checkType, genericArgumentsSubstitute, origCheckType);
if (!argTypedValue.IsUntypedValue())
@ -7292,6 +7297,7 @@ BfTypedValue BfExprEvaluator::MatchMethod(BfAstNode* targetSrc, BfMethodBoundExp
BfTypeInstance* curTypeInst = targetTypeInst;
BfMethodMatcher methodMatcher(targetSrc, mModule, methodName, argValues.mResolvedArgs, methodGenericArguments);
methodMatcher.mOrigTarget = origTarget;
methodMatcher.mTarget = target;
methodMatcher.mCheckedKind = checkedKind;
methodMatcher.mAllowImplicitThis = allowImplicitThis;
@ -19674,6 +19680,8 @@ void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNod
bool isComparison = (binaryOp >= BfBinaryOp_Equality) && (binaryOp <= BfBinaryOp_LessThanOrEqual);
BfBinaryOp oppositeBinaryOp = BfGetOppositeBinaryOp(findBinaryOp);
BfBinaryOp flippedBinaryOp = BfGetFlippedBinaryOp(findBinaryOp);
BfBinaryOp flippedOppositeBinaryOp = BfGetFlippedBinaryOp(oppositeBinaryOp);
for (int pass = 0; pass < 2; pass++)
{
@ -19901,6 +19909,14 @@ void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNod
works = true;
}
}
if ((flippedBinaryOp != BfBinaryOp_None) && (opConstraint.mBinaryOp == flippedBinaryOp))
{
if ((mModule->CanCast(args[1].mTypedValue, opConstraint.mLeftType)) &&
(mModule->CanCast(args[0].mTypedValue, opConstraint.mRightType)))
{
works = true;
}
}
if (((oppositeBinaryOp != BfBinaryOp_None) && (opConstraint.mBinaryOp == oppositeBinaryOp)) ||
(opConstraint.mBinaryOp == BfBinaryOp_Compare))
@ -19911,6 +19927,14 @@ void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNod
works = true;
}
}
if ((flippedOppositeBinaryOp != BfBinaryOp_None) && (opConstraint.mBinaryOp == flippedOppositeBinaryOp))
{
if ((mModule->CanCast(args[1].mTypedValue, opConstraint.mRightType)) &&
(mModule->CanCast(args[0].mTypedValue, opConstraint.mLeftType)))
{
works = true;
}
}
if ((isComparison) && (opConstraint.mBinaryOp == BfBinaryOp_Compare))
{

1
IDEHelper/Compiler/BfExprEvaluator.h
View file

@ -154,6 +154,7 @@ public:
public:
BfAstNode* mTargetSrc;
BfTypedValue mTarget;
BfTypedValue mOrigTarget;
BfModule* mModule;
BfTypeDef* mActiveTypeDef;
String mMethodName;

15
IDEHelper/Tests/src/ExtensionMethods.bf
View file

@ -42,11 +42,26 @@ namespace Tests
iList.Add(100);
Test.Assert(iList.Total() == 123);
float a = 1.2f;
float b = 2.3f;
Test.Assert(a.CompareIt(b) < 0);
}
}
static
{
public static int CompareIt<T>(this T self, T other)
where bool: operator T < T
{
if(self < other)
return -1;
else if(self > other)
return 1;
return 0;
}
public static T Total<T>(this List<T> list) where T : operator T + T
{
T total = default;