Example usage for org.eclipse.jdt.internal.compiler.lookup TagBits HasDirectWildcard

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.lookup TagBits HasDirectWildcard.

Prototype

long HasDirectWildcard

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Usage

From source file:org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.java

License:Open Source License

/**
 * Returns true if a type is identical to another one,
 * or for generic types, true if compared to its raw type.
 *//*from ww w .j a  v a2  s  .  c o m*/
public boolean isEquivalentTo(TypeBinding otherType) {

    if (this == otherType)
        return true;
    if (otherType == null)
        return false;
    switch (otherType.kind()) {

    case Binding.WILDCARD_TYPE:
    case Binding.INTERSECTION_TYPE:
        return ((WildcardBinding) otherType).boundCheck(this);

    case Binding.PARAMETERIZED_TYPE:
        if ((otherType.tagBits & TagBits.HasDirectWildcard) == 0
                && (!isMemberType() || !otherType.isMemberType()))
            return false; // should have been identical
        ParameterizedTypeBinding otherParamType = (ParameterizedTypeBinding) otherType;
        if (this != otherParamType.genericType())
            return false;
        if (!isStatic()) { // static member types do not compare their enclosing
            ReferenceBinding enclosing = enclosingType();
            if (enclosing != null) {
                ReferenceBinding otherEnclosing = otherParamType.enclosingType();
                if (otherEnclosing == null)
                    return false;
                if ((otherEnclosing.tagBits & TagBits.HasDirectWildcard) == 0) {
                    if (enclosing != otherEnclosing)
                        return false;
                } else {
                    if (!enclosing.isEquivalentTo(otherParamType.enclosingType()))
                        return false;
                }
            }
        }
        int length = this.typeVariables == null ? 0 : this.typeVariables.length;
        TypeBinding[] otherArguments = otherParamType.arguments;
        int otherLength = otherArguments == null ? 0 : otherArguments.length;
        if (otherLength != length)
            return false;
        for (int i = 0; i < length; i++)
            if (!this.typeVariables[i].isTypeArgumentContainedBy(otherArguments[i]))
                return false;
        return true;

    case Binding.RAW_TYPE:
        return otherType.erasure() == this;
    }
    return false;
}

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