static void deleteWholeStatement(PsiElement element, PsiElementFactory factory)
throws IncorrectOperationException {
// just delete it altogether
if (element.getParent() instanceof PsiExpressionStatement) {
PsiExpressionStatement parent = (PsiExpressionStatement) element.getParent();
if (parent.getParent() instanceof PsiCodeBlock) {
parent.delete();
} else {
// replace with empty statement (to handle with 'if (..) i=0;' )
parent.replace(createStatementIfNeeded(null, factory, element));
}
} else {
element.delete();
}
}
private static void addSuperCall(
JavaChangeInfo changeInfo, PsiMethod constructor, PsiMethod callee, final UsageInfo[] usages)
throws IncorrectOperationException {
final PsiElementFactory factory = JavaPsiFacade.getElementFactory(constructor.getProject());
PsiExpressionStatement superCall =
(PsiExpressionStatement) factory.createStatementFromText("super();", constructor);
PsiCodeBlock body = constructor.getBody();
assert body != null;
PsiStatement[] statements = body.getStatements();
if (statements.length > 0) {
superCall = (PsiExpressionStatement) body.addBefore(superCall, statements[0]);
} else {
superCall = (PsiExpressionStatement) body.add(superCall);
}
PsiMethodCallExpression callExpression = (PsiMethodCallExpression) superCall.getExpression();
final PsiClass aClass = constructor.getContainingClass();
final PsiClass baseClass = changeInfo.getMethod().getContainingClass();
final PsiSubstitutor substitutor =
TypeConversionUtil.getSuperClassSubstitutor(baseClass, aClass, PsiSubstitutor.EMPTY);
processMethodUsage(
callExpression.getMethodExpression(), changeInfo, true, false, callee, substitutor, usages);
}
private static void modifySuperCall(
final PsiMethod subConstructor, final Set<PsiParameter> parametersToPassToSuper) {
final PsiCodeBlock body = subConstructor.getBody();
if (body != null) {
PsiMethodCallExpression superCall = null;
final PsiStatement[] statements = body.getStatements();
if (statements.length > 0) {
if (statements[0] instanceof PsiExpressionStatement) {
final PsiExpression expression = ((PsiExpressionStatement) statements[0]).getExpression();
if (expression instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCall = (PsiMethodCallExpression) expression;
if ("super".equals(methodCall.getMethodExpression().getText())) {
superCall = methodCall;
}
}
}
}
final PsiElementFactory factory =
JavaPsiFacade.getInstance(subConstructor.getProject()).getElementFactory();
try {
if (superCall == null) {
PsiExpressionStatement statement =
(PsiExpressionStatement) factory.createStatementFromText("super();", null);
statement = (PsiExpressionStatement) body.addAfter(statement, null);
superCall = (PsiMethodCallExpression) statement.getExpression();
}
final PsiExpressionList argList = superCall.getArgumentList();
for (final PsiParameter parameter : parametersToPassToSuper) {
argList.add(factory.createExpressionFromText(parameter.getName(), null));
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}