Example usage for org.eclipse.jdt.internal.core SourceTypeElementInfo getMethodHandles

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core SourceTypeElementInfo getMethodHandles.

Prototype

public SourceMethod[] getMethodHandles() 

Source Link

Usage

From source file:org.eclipse.che.jdt.internal.compiler.parser.SourceTypeConverter.java

License:Open Source License

private TypeDeclaration convert(SourceType typeHandle, CompilationResult compilationResult)
        throws JavaModelException {
    SourceTypeElementInfo typeInfo = (SourceTypeElementInfo) typeHandle.getElementInfo();
    if (typeInfo.isAnonymousMember())
        throw new AnonymousMemberFound();
    /* create type declaration - can be member type */
    TypeDeclaration type = new TypeDeclaration(compilationResult);
    if (typeInfo.getEnclosingType() == null) {
        if (typeHandle.isAnonymous()) {
            type.name = CharOperation.NO_CHAR;
            type.bits |= (ASTNode.IsAnonymousType | ASTNode.IsLocalType);
        } else {/*from   w w w. ja  va2  s .  co  m*/
            if (typeHandle.isLocal()) {
                type.bits |= ASTNode.IsLocalType;
            }
        }
    } else {
        type.bits |= ASTNode.IsMemberType;
    }
    if ((type.bits & ASTNode.IsAnonymousType) == 0) {
        type.name = typeInfo.getName();
    }
    type.name = typeInfo.getName();
    int start, end; // only positions available
    type.sourceStart = start = typeInfo.getNameSourceStart();
    type.sourceEnd = end = typeInfo.getNameSourceEnd();
    type.modifiers = typeInfo.getModifiers();
    type.declarationSourceStart = typeInfo.getDeclarationSourceStart();
    type.declarationSourceEnd = typeInfo.getDeclarationSourceEnd();
    type.bodyEnd = type.declarationSourceEnd;

    // convert 1.5 specific constructs only if compliance is 1.5 or above
    if (this.has1_5Compliance) {
        /* convert annotations */
        type.annotations = convertAnnotations(typeHandle);
    }
    /* https://bugs.eclipse.org/bugs/show_bug.cgi?id=324850, even in a 1.4 project, we
       must internalize type variables and observe any parameterization of super class
       and/or super interfaces in order to be able to detect overriding in the presence
       of generics.
     */
    char[][] typeParameterNames = typeInfo.getTypeParameterNames();
    if (typeParameterNames.length > 0) {
        int parameterCount = typeParameterNames.length;
        char[][][] typeParameterBounds = typeInfo.getTypeParameterBounds();
        type.typeParameters = new TypeParameter[parameterCount];
        for (int i = 0; i < parameterCount; i++) {
            type.typeParameters[i] = createTypeParameter(typeParameterNames[i], typeParameterBounds[i], start,
                    end);
        }
    }

    /* set superclass and superinterfaces */
    if (typeInfo.getSuperclassName() != null) {
        type.superclass = createTypeReference(typeInfo.getSuperclassName(), start, end,
                true /* include generics */);
        type.superclass.bits |= ASTNode.IsSuperType;
    }
    char[][] interfaceNames = typeInfo.getInterfaceNames();
    int interfaceCount = interfaceNames == null ? 0 : interfaceNames.length;
    if (interfaceCount > 0) {
        type.superInterfaces = new TypeReference[interfaceCount];
        for (int i = 0; i < interfaceCount; i++) {
            type.superInterfaces[i] = createTypeReference(interfaceNames[i], start, end,
                    true /* include generics */);
            type.superInterfaces[i].bits |= ASTNode.IsSuperType;
        }
    }
    /* convert member types */
    if ((this.flags & MEMBER_TYPE) != 0) {
        SourceType[] sourceMemberTypes = typeInfo.getMemberTypeHandles();
        int sourceMemberTypeCount = sourceMemberTypes.length;
        type.memberTypes = new TypeDeclaration[sourceMemberTypeCount];
        for (int i = 0; i < sourceMemberTypeCount; i++) {
            type.memberTypes[i] = convert(sourceMemberTypes[i], compilationResult);
            type.memberTypes[i].enclosingType = type;
        }
    }

    /* convert intializers and fields*/
    InitializerElementInfo[] initializers = null;
    int initializerCount = 0;
    if ((this.flags & LOCAL_TYPE) != 0) {
        initializers = typeInfo.getInitializers();
        initializerCount = initializers.length;
    }
    SourceField[] sourceFields = null;
    int sourceFieldCount = 0;
    if ((this.flags & FIELD) != 0) {
        sourceFields = typeInfo.getFieldHandles();
        sourceFieldCount = sourceFields.length;
    }
    int length = initializerCount + sourceFieldCount;
    if (length > 0) {
        type.fields = new FieldDeclaration[length];
        for (int i = 0; i < initializerCount; i++) {
            type.fields[i] = convert(initializers[i], compilationResult);
        }
        int index = 0;
        for (int i = initializerCount; i < length; i++) {
            type.fields[i] = convert(sourceFields[index++], type, compilationResult);
        }
    }

    /* convert methods - need to add default constructor if necessary */
    boolean needConstructor = (this.flags & CONSTRUCTOR) != 0;
    boolean needMethod = (this.flags & METHOD) != 0;
    if (needConstructor || needMethod) {

        SourceMethod[] sourceMethods = typeInfo.getMethodHandles();
        int sourceMethodCount = sourceMethods.length;

        /* source type has a constructor ?           */
        /* by default, we assume that one is needed. */
        int extraConstructor = 0;
        int methodCount = 0;
        int kind = TypeDeclaration.kind(type.modifiers);
        boolean isAbstract = kind == TypeDeclaration.INTERFACE_DECL
                || kind == TypeDeclaration.ANNOTATION_TYPE_DECL;
        if (!isAbstract) {
            extraConstructor = needConstructor ? 1 : 0;
            for (int i = 0; i < sourceMethodCount; i++) {
                if (sourceMethods[i].isConstructor()) {
                    if (needConstructor) {
                        extraConstructor = 0; // Does not need the extra constructor since one constructor already exists.
                        methodCount++;
                    }
                } else if (needMethod) {
                    methodCount++;
                }
            }
        } else {
            methodCount = needMethod ? sourceMethodCount : 0;
        }
        type.methods = new AbstractMethodDeclaration[methodCount + extraConstructor];
        if (extraConstructor != 0) { // add default constructor in first position
            type.methods[0] = type.createDefaultConstructor(false, false);
        }
        int index = 0;
        boolean hasAbstractMethods = false;
        for (int i = 0; i < sourceMethodCount; i++) {
            SourceMethod sourceMethod = sourceMethods[i];
            SourceMethodElementInfo methodInfo = (SourceMethodElementInfo) sourceMethod.getElementInfo();
            boolean isConstructor = methodInfo.isConstructor();
            if ((methodInfo.getModifiers() & ClassFileConstants.AccAbstract) != 0) {
                hasAbstractMethods = true;
            }
            if ((isConstructor && needConstructor) || (!isConstructor && needMethod)) {
                AbstractMethodDeclaration method = convert(sourceMethod, methodInfo, compilationResult);
                if (isAbstract || method.isAbstract()) { // fix-up flag
                    method.modifiers |= ExtraCompilerModifiers.AccSemicolonBody;
                }
                type.methods[extraConstructor + index++] = method;
            }
        }
        if (hasAbstractMethods)
            type.bits |= ASTNode.HasAbstractMethods;
    }

    return type;
}

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