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Resolution of == fixed

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This commit is contained in:
Andrey Breslav
2011-09-05 19:44:09 +04:00
parent b632fc31d9
commit bca24cf39c
1 changed files with 22 additions and 24 deletions
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idea/src/org/jetbrains/jet/lang/types/JetTypeInferrer.java
+22 -24
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@@ -2219,31 +2219,29 @@ public class JetTypeInferrer {
String name = "equals";
if (right != null) {
JetType leftType = getType(left, context.replaceScope(context.scope));
if (leftType != null) {
JetType rightType = getType(right, context.replaceScope(context.scope));
if (rightType != null) {
OverloadResolutionResult<FunctionDescriptor> resolutionResult = context.services.callResolver.resolveExactSignature(
context.scope, leftType, "equals",
Collections.singletonList(JetStandardClasses.getNullableAnyType()));
if (resolutionResult.isSuccess()) {
FunctionDescriptor equals = resolutionResult.getDescriptor();
context.trace.record(REFERENCE_TARGET, operationSign, equals);
if (ensureBooleanResult(operationSign, name, equals.getReturnType(), context)) {
ensureNonemptyIntersectionOfOperandTypes(expression, context);
}
}
else {
if (resolutionResult.isAmbiguity()) {
StringBuilder stringBuilder = new StringBuilder();
for (FunctionDescriptor functionDescriptor : resolutionResult.getDescriptors()) {
stringBuilder.append(DescriptorRenderer.TEXT.render(functionDescriptor)).append(" ");
}
context.trace.getErrorHandler().genericError(operationSign.getNode(), "Ambiguous function: " + stringBuilder);
}
else {
context.trace.getErrorHandler().genericError(operationSign.getNode(), "No method 'equals(Any?) : Boolean' available");
}
if (leftType == null) {
leftType = ErrorUtils.createErrorType("No type for " + left.getText());
}
OverloadResolutionResult<FunctionDescriptor> resolutionResult = context.services.callResolver.resolveExactSignature(
context.scope, leftType, "equals",
Collections.singletonList(JetStandardClasses.getNullableAnyType()));
if (resolutionResult.isSuccess()) {
FunctionDescriptor equals = resolutionResult.getDescriptor();
context.trace.record(REFERENCE_TARGET, operationSign, equals);
if (ensureBooleanResult(operationSign, name, equals.getReturnType(), context)) {
ensureNonemptyIntersectionOfOperandTypes(expression, context);
}
}
else {
if (resolutionResult.isAmbiguity()) {
StringBuilder stringBuilder = new StringBuilder();
for (FunctionDescriptor functionDescriptor : resolutionResult.getDescriptors()) {
stringBuilder.append(DescriptorRenderer.TEXT.render(functionDescriptor)).append(" ");
}
context.trace.getErrorHandler().genericError(operationSign.getNode(), "Ambiguous function: " + stringBuilder);
}
else {
context.trace.getErrorHandler().genericError(operationSign.getNode(), "No method 'equals(Any?) : Boolean' available");
}
}
}