private TypeBinding internalResolveLeafType(
Scope scope, ReferenceBinding enclosingType, boolean checkBounds) {
ReferenceBinding currentType;
if (enclosingType == null) {
this.resolvedType = scope.getType(this.token);
if (this.resolvedType.isValidBinding()) {
currentType = (ReferenceBinding) this.resolvedType;
} else {
reportInvalidType(scope);
switch (this.resolvedType.problemId()) {
case ProblemReasons.NotFound:
case ProblemReasons.NotVisible:
case ProblemReasons.InheritedNameHidesEnclosingName:
TypeBinding type = this.resolvedType.closestMatch();
if (type instanceof ReferenceBinding) {
currentType = (ReferenceBinding) type;
break;
}
// $FALL-THROUGH$ - unable to complete type binding, but still resolve type arguments
default:
boolean isClassScope = scope.kind == Scope.CLASS_SCOPE;
int argLength = this.typeArguments.length;
for (int i = 0; i < argLength; i++) {
TypeReference typeArgument = this.typeArguments[i];
if (isClassScope) {
typeArgument.resolveType((ClassScope) scope);
} else {
typeArgument.resolveType((BlockScope) scope, checkBounds);
}
}
return null;
}
// be resilient, still attempt resolving arguments
}
enclosingType = currentType.enclosingType(); // if member type
if (enclosingType != null) {
enclosingType =
currentType.isStatic()
? (ReferenceBinding)
scope
.environment()
.convertToRawType(
enclosingType, false /*do not force conversion of enclosing types*/)
: scope.environment().convertToParameterizedType(enclosingType);
currentType =
scope
.environment()
.createParameterizedType(
(ReferenceBinding) currentType.erasure(), null /* no arg */, enclosingType);
}
} else { // resolving member type (relatively to enclosingType)
this.resolvedType = currentType = scope.getMemberType(this.token, enclosingType);
if (!this.resolvedType.isValidBinding()) {
scope.problemReporter().invalidEnclosingType(this, currentType, enclosingType);
return null;
}
if (isTypeUseDeprecated(currentType, scope))
scope.problemReporter().deprecatedType(currentType, this);
ReferenceBinding currentEnclosing = currentType.enclosingType();
if (currentEnclosing != null && currentEnclosing.erasure() != enclosingType.erasure()) {
enclosingType =
currentEnclosing; // inherited member type, leave it associated with its enclosing
// rather than subtype
}
}
// check generic and arity
boolean isClassScope = scope.kind == Scope.CLASS_SCOPE;
TypeReference keep = null;
if (isClassScope) {
keep = ((ClassScope) scope).superTypeReference;
((ClassScope) scope).superTypeReference = null;
}
int argLength = this.typeArguments.length;
TypeBinding[] argTypes = new TypeBinding[argLength];
boolean argHasError = false;
ReferenceBinding currentOriginal = (ReferenceBinding) currentType.original();
for (int i = 0; i < argLength; i++) {
TypeReference typeArgument = this.typeArguments[i];
TypeBinding argType =
isClassScope
? typeArgument.resolveTypeArgument((ClassScope) scope, currentOriginal, i)
: typeArgument.resolveTypeArgument((BlockScope) scope, currentOriginal, i);
this.bits |= (typeArgument.bits & ASTNode.HasTypeAnnotations);
if (argType == null) {
argHasError = true;
} else {
if (typeArgument.annotations != null)
argTypes[i] =
captureTypeAnnotations(scope, enclosingType, argType, typeArgument.annotations[0]);
else argTypes[i] = argType;
}
}
if (argHasError) {
return null;
}
if (isClassScope) {
((ClassScope) scope).superTypeReference = keep;
if (((ClassScope) scope).detectHierarchyCycle(currentOriginal, this)) return null;
}
final boolean isDiamond = (this.bits & ASTNode.IsDiamond) != 0;
TypeVariableBinding[] typeVariables = currentOriginal.typeVariables();
if (typeVariables == Binding.NO_TYPE_VARIABLES) { // non generic invoked with arguments
boolean isCompliant15 =
scope.compilerOptions().originalSourceLevel >= ClassFileConstants.JDK1_5;
if ((currentOriginal.tagBits & TagBits.HasMissingType) == 0) {
if (isCompliant15) { // below 1.5, already reported as syntax error
this.resolvedType = currentType;
scope
.problemReporter()
.nonGenericTypeCannotBeParameterized(0, this, currentType, argTypes);
return null;
}
}
// resilience do not rebuild a parameterized type unless compliance is allowing it
if (!isCompliant15) {
if (!this.resolvedType.isValidBinding()) return currentType;
return this.resolvedType = currentType;
}
// if missing generic type, and compliance >= 1.5, then will rebuild a parameterized binding
} else if (argLength != typeVariables.length) {
if (!isDiamond) { // check arity, IsDiamond never set for 1.6-
scope.problemReporter().incorrectArityForParameterizedType(this, currentType, argTypes);
return null;
}
} else if (!currentType.isStatic()) {
ReferenceBinding actualEnclosing = currentType.enclosingType();
if (actualEnclosing != null && actualEnclosing.isRawType()) {
scope
.problemReporter()
.rawMemberTypeCannotBeParameterized(
this,
scope.environment().createRawType(currentOriginal, actualEnclosing),
argTypes);
return null;
}
}
ParameterizedTypeBinding parameterizedType =
scope.environment().createParameterizedType(currentOriginal, argTypes, enclosingType);
// check argument type compatibility for non <> cases - <> case needs no bounds check, we will
// scream foul if needed during inference.
if (!isDiamond) {
if (checkBounds) // otherwise will do it in Scope.connectTypeVariables() or generic method
// resolution
parameterizedType.boundCheck(scope, this.typeArguments);
else scope.deferBoundCheck(this);
}
if (isTypeUseDeprecated(parameterizedType, scope))
reportDeprecatedType(parameterizedType, scope);
if (!this.resolvedType.isValidBinding()) {
return parameterizedType;
}
return this.resolvedType = parameterizedType;
}
