public void bind(MethodScope scope, TypeBinding typeBinding, boolean used) {
// record the resolved type into the type reference
Binding existingVariable =
scope.getBinding(this.name, Binding.VARIABLE, this, false /*do not resolve hidden field*/);
if (existingVariable != null && existingVariable.isValidBinding()) {
if (existingVariable instanceof LocalVariableBinding && this.hiddenVariableDepth == 0) {
scope.problemReporter().redefineArgument(this);
} else {
boolean isSpecialArgument = false;
if (existingVariable instanceof FieldBinding) {
if (scope.isInsideConstructor()) {
isSpecialArgument = true; // constructor argument
} else {
AbstractMethodDeclaration methodDecl = scope.referenceMethod();
if (methodDecl != null && CharOperation.prefixEquals(SET, methodDecl.selector)) {
isSpecialArgument = true; // setter argument
}
}
}
scope.problemReporter().localVariableHiding(this, existingVariable, isSpecialArgument);
}
}
if (this.binding == null) {
this.binding = new LocalVariableBinding(this, typeBinding, this.modifiers, true);
} else if (!this.binding.type.isValidBinding()) {
AbstractMethodDeclaration methodDecl = scope.referenceMethod();
if (methodDecl != null) {
MethodBinding methodBinding = methodDecl.binding;
if (methodBinding != null) {
methodBinding.tagBits |= TagBits.HasUnresolvedArguments;
}
}
}
scope.addLocalVariable(this.binding);
resolveAnnotations(scope, this.annotations, this.binding);
// true stand for argument instead of just local
this.binding.declaration = this;
this.binding.useFlag = used ? LocalVariableBinding.USED : LocalVariableBinding.UNUSED;
}
public TypeBinding resolveForCatch(BlockScope scope) {
// resolution on an argument of a catch clause
// provide the scope with a side effect : insertion of a LOCAL
// that represents the argument. The type must be from JavaThrowable
TypeBinding exceptionType = this.type.resolveType(scope, true /* check bounds*/);
boolean hasError;
if (exceptionType == null) {
hasError = true;
} else {
hasError = false;
switch (exceptionType.kind()) {
case Binding.PARAMETERIZED_TYPE:
if (exceptionType.isBoundParameterizedType()) {
hasError = true;
scope.problemReporter().invalidParameterizedExceptionType(exceptionType, this);
// fall thru to create the variable - avoids additional errors because the variable is
// missing
}
break;
case Binding.TYPE_PARAMETER:
scope.problemReporter().invalidTypeVariableAsException(exceptionType, this);
hasError = true;
// fall thru to create the variable - avoids additional errors because the variable is
// missing
break;
}
if (exceptionType.findSuperTypeOriginatingFrom(TypeIds.T_JavaLangThrowable, true) == null
&& exceptionType.isValidBinding()) {
scope.problemReporter().cannotThrowType(this.type, exceptionType);
hasError = true;
// fall thru to create the variable - avoids additional errors because the variable is
// missing
}
}
Binding existingVariable =
scope.getBinding(this.name, Binding.VARIABLE, this, false /*do not resolve hidden field*/);
if (existingVariable != null && existingVariable.isValidBinding()) {
if (existingVariable instanceof LocalVariableBinding && this.hiddenVariableDepth == 0) {
scope.problemReporter().redefineArgument(this);
} else {
scope.problemReporter().localVariableHiding(this, existingVariable, false);
}
}
if ((this.type.bits & ASTNode.IsUnionType) != 0) {
this.binding =
new CatchParameterBinding(
this,
exceptionType,
this.modifiers | ClassFileConstants.AccFinal,
false); // argument decl, but local var (where isArgument = false)
this.binding.tagBits |= TagBits.MultiCatchParameter;
} else {
this.binding =
new CatchParameterBinding(
this,
exceptionType,
this.modifiers,
false); // argument decl, but local var (where isArgument = false)
}
resolveAnnotations(scope, this.annotations, this.binding);
scope.addLocalVariable(this.binding);
this.binding.setConstant(Constant.NotAConstant);
if (hasError) return null;
return exceptionType;
}
