private <T extends InstructionImpl> T addNode(T instruction) {
instruction.setNumber(myInstructionNumber++);
myInstructions.add(instruction);
if (myHead != null) {
addEdge(myHead, instruction);
}
myHead = instruction;
return instruction;
}
public static <T extends PsiElement> void setQualifier(
@NotNull GrQualifiedReference<T> ref, @Nullable T newQualifier) {
final T oldQualifier = ref.getQualifier();
final ASTNode node = ref.getNode();
final PsiElement refNameElement = ref.getReferenceNameElement();
if (newQualifier == null) {
if (oldQualifier != null && refNameElement != null) {
ref.deleteChildRange(ref.getFirstChild(), refNameElement.getPrevSibling());
}
} else {
if (oldQualifier == null) {
if (refNameElement != null) {
node.addLeaf(mDOT, ".", refNameElement.getNode());
ref.addBefore(newQualifier, refNameElement.getPrevSibling());
}
} else {
oldQualifier.replace(newQualifier);
}
}
}
public static <T extends GrCondition> T replaceBody(
T newBody, GrStatement body, ASTNode node, Project project) {
if (body == null || newBody == null) {
throw new IncorrectOperationException();
}
ASTNode oldBodyNode = body.getNode();
if (oldBodyNode.getTreePrev() != null
&& mNLS.equals(oldBodyNode.getTreePrev().getElementType())) {
ASTNode whiteNode = GroovyPsiElementFactory.getInstance(project).createWhiteSpace().getNode();
node.replaceChild(oldBodyNode.getTreePrev(), whiteNode);
}
node.replaceChild(oldBodyNode, newBody.getNode());
return newBody;
}