org.eclipse.jdt.core.dom.MethodDeclaration#NAME_PROPERTY源码实例Demo

private static ASTNode getInlineableMethodNode(ASTNode node, IJavaElement unit) {
	if (node == null) {
		return null;
	}
	switch (node.getNodeType()) {
		case ASTNode.SIMPLE_NAME:
			StructuralPropertyDescriptor locationInParent = node.getLocationInParent();
			if (locationInParent == MethodDeclaration.NAME_PROPERTY) {
				return node.getParent();
			} else if (locationInParent == MethodInvocation.NAME_PROPERTY || locationInParent == SuperMethodInvocation.NAME_PROPERTY) {
				return unit instanceof ICompilationUnit ? node.getParent() : null; // don't start on invocations in binary
			}
			return null;
		case ASTNode.EXPRESSION_STATEMENT:
			node = ((ExpressionStatement) node).getExpression();
	}
	switch (node.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return node;
		case ASTNode.METHOD_INVOCATION:
		case ASTNode.SUPER_METHOD_INVOCATION:
		case ASTNode.CONSTRUCTOR_INVOCATION:
			return unit instanceof ICompilationUnit ? node : null; // don't start on invocations in binary
	}
	return null;
}
 

private static ASTNode getInlineableMethodNode(ASTNode node, IJavaElement unit) {
	if (node == null)
		return null;
	switch (node.getNodeType()) {
		case ASTNode.SIMPLE_NAME:
			StructuralPropertyDescriptor locationInParent= node.getLocationInParent();
			if (locationInParent == MethodDeclaration.NAME_PROPERTY) {
				return node.getParent();
			} else if (locationInParent == MethodInvocation.NAME_PROPERTY
					|| locationInParent == SuperMethodInvocation.NAME_PROPERTY) {
				return unit instanceof ICompilationUnit ? node.getParent() : null; // don't start on invocations in binary
			}
			return null;
		case ASTNode.EXPRESSION_STATEMENT:
			node= ((ExpressionStatement)node).getExpression();
	}
	switch (node.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return node;
		case ASTNode.METHOD_INVOCATION:
		case ASTNode.SUPER_METHOD_INVOCATION:
		case ASTNode.CONSTRUCTOR_INVOCATION:
			return unit instanceof ICompilationUnit ? node : null; // don't start on invocations in binary
	}
	return null;
}
 

/**
 * Finds and returns the <code>ASTNode</code> for the given source text
 * selection, if it is an entire constructor call or the class name portion
 * of a constructor call or constructor declaration, or null otherwise.
 * @param unit The compilation unit in which the selection was made
 * @param offset The textual offset of the start of the selection
 * @param length The length of the selection in characters
 * @return ClassInstanceCreation or MethodDeclaration
 */
private ASTNode getTargetNode(ICompilationUnit unit, int offset, int length) {
	ASTNode node= ASTNodes.getNormalizedNode(NodeFinder.perform(fCU, offset, length));
	if (node.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION)
		return node;
	if (node.getNodeType() == ASTNode.METHOD_DECLARATION && ((MethodDeclaration)node).isConstructor())
		return node;
	// we have some sub node. Make sure its the right child of the parent
	StructuralPropertyDescriptor location= node.getLocationInParent();
	ASTNode parent= node.getParent();
	if (location == ClassInstanceCreation.TYPE_PROPERTY) {
		return parent;
	} else if (location == MethodDeclaration.NAME_PROPERTY && ((MethodDeclaration)parent).isConstructor()) {
		return parent;
	}
	return null;
}
 

private static ASTNode getDeclaringNode(ASTNode selectedNode) {
	ASTNode declaringNode= null;
	if (selectedNode instanceof MethodDeclaration) {
		declaringNode= selectedNode;
	} else if (selectedNode instanceof SimpleName) {
		StructuralPropertyDescriptor locationInParent= selectedNode.getLocationInParent();
		if (locationInParent == MethodDeclaration.NAME_PROPERTY || locationInParent == TypeDeclaration.NAME_PROPERTY) {
			declaringNode= selectedNode.getParent();
		} else if (locationInParent == VariableDeclarationFragment.NAME_PROPERTY) {
			declaringNode= selectedNode.getParent().getParent();
		}
	}
	return declaringNode;
}
 

@Override
public boolean consumes(SemanticToken token) {
	StructuralPropertyDescriptor location = token.getNode().getLocationInParent();
	return location == MethodDeclaration.NAME_PROPERTY || location == AnnotationTypeMemberDeclaration.NAME_PROPERTY;
}
 

@Override
public boolean consumes(SemanticToken token) {
	StructuralPropertyDescriptor location= token.getNode().getLocationInParent();
	return location == MethodDeclaration.NAME_PROPERTY || location == AnnotationTypeMemberDeclaration.NAME_PROPERTY;
}