Example usage for org.eclipse.jdt.internal.compiler.lookup TypeBinding genericTypeSignature

Introduction

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

Prototype

public char[] genericTypeSignature() 

Source Link

Document

Answer the receiver classfile signature.

Usage

From source file:com.codenvy.ide.ext.java.server.internal.codeassist.impl.Engine.java

License:Open Source License

public static char[] getSignature(TypeBinding typeBinding) {
    char[] result = null;

    result = typeBinding.genericTypeSignature();

    if (result != null) {
        result = CharOperation.replaceOnCopy(result, '/', '.');
    }/*from w  w w .  j av  a  2 s  . c o  m*/
    return result;
}

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From source file:org.eclipse.objectteams.otdt.internal.core.compiler.bytecode.ConstantPoolObjectMapper.java

License:Open Source License

/**
 * Map a type binding and convert it to a UTF8-Object.
 * @param typeBinding/*  www  .j  a v a 2s  .  c  o  m*/
 * @param useGenerics should type parameters be respected (else use erasure)
 * @return ConstantPoolObject of type Utf8Tag
 */
public ConstantPoolObject mapTypeUtf8(TypeBinding typeBinding, boolean useGenerics) {
    //System.out.println("Sign of "+typeBinding+"="+new String(typeBinding.signature()));
    char[] prefix = null;
    if (typeBinding.isArrayType()) {
        // need to disassemble arrays, because we want to analyze the element type:
        ArrayBinding array = (ArrayBinding) typeBinding;
        prefix = new char[array.dimensions()];
        Arrays.fill(prefix, '[');
        typeBinding = array.leafComponentType;
    }
    if (typeBinding.isClass() || typeBinding.isInterface()) {
        ConstantPoolObject clazzCPO = new ConstantPoolObject(ClassTag,
                mapClass(this._srcMethod, typeBinding, getTeam(this._dstMethod)));
        typeBinding = clazzCPO.getClassObject();
    }
    char[] signature = useGenerics ? typeBinding.genericTypeSignature() : typeBinding.signature();

    if (prefix != null)
        signature = CharOperation.concat(prefix, signature);
    return new ConstantPoolObject(Utf8Tag, signature);
}

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From source file:org.eclipse.recommenders.utils.rcp.CompilerBindings.java

License:Open Source License

/**
 * TODO nested anonymous types are not resolved correctly. JDT uses line numbers for inner types instead of $1,..,$n
 *//*  w w  w  .ja va  2  s  .c  o m*/
public static Optional<ITypeName> toTypeName(@Nullable TypeBinding binding) {
    // XXX generics fail
    if (binding == null) {
        return absent();
    }
    //
    final boolean boundParameterizedType = binding.isBoundParameterizedType();
    final boolean parameterizedType = binding.isParameterizedType();

    // if (binding.isBoundParameterizedType()) {
    // return null;
    // }

    if (binding.isArrayType()) {
        final int dimensions = binding.dimensions();
        final TypeBinding leafComponentType = binding.leafComponentType();
        final String arrayDimensions = StringUtils.repeat("[", dimensions);
        final Optional<ITypeName> typeName = toTypeName(leafComponentType);
        if (!typeName.isPresent()) {
            return absent();
        }
        final ITypeName res = VmTypeName.get(arrayDimensions + typeName.get().getIdentifier());
        return fromNullable(res);
    }
    // TODO: handling of generics is bogus!
    if (binding instanceof TypeVariableBinding) {
        final TypeVariableBinding generic = (TypeVariableBinding) binding;
        if (generic.declaringElement instanceof TypeBinding) {
            // XXX: for this?
            binding = (TypeBinding) generic.declaringElement;
        } else if (generic.superclass != null) {
            // example Tuple<T1 extends List, T2 extends Number) --> for
            // generic.superclass (T2)=Number
            // we replace the generic by its superclass
            binding = generic.superclass;
        }
    }

    String signature = String.valueOf(binding.genericTypeSignature());
    // if (binding instanceof BinaryTypeBinding) {
    // signature = StringUtils.substringBeforeLast(signature, ";");
    // }

    if (signature.length() == 1) {
        // no handling needed. primitives always look the same.
    } else if (signature.endsWith(";")) {
        signature = StringUtils.substringBeforeLast(signature, ";");
    } else {
        signature = "L" + SignatureUtil.stripSignatureToFQN(signature);
    }
    final ITypeName res = VmTypeName.get(signature);
    return fromNullable(res);
}

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