private static boolean labeledStatementsAreEquivalent(
@NotNull PsiLabeledStatement statement1, @NotNull PsiLabeledStatement statement2) {
final PsiIdentifier identifier1 = statement1.getLabelIdentifier();
final PsiIdentifier identifier2 = statement2.getLabelIdentifier();
final String text1 = identifier1.getText();
final String text2 = identifier2.getText();
return text1.equals(text2);
}
private static boolean continueStatementsAreEquivalent(
@NotNull PsiContinueStatement statement1, @NotNull PsiContinueStatement statement2) {
final PsiIdentifier identifier1 = statement1.getLabelIdentifier();
final PsiIdentifier identifier2 = statement2.getLabelIdentifier();
if (identifier1 == null) {
return identifier2 == null;
}
if (identifier2 == null) {
return false;
}
final String text1 = identifier1.getText();
final String text2 = identifier2.getText();
return text1.equals(text2);
}
@Override
public void visitBreakStatement(@NotNull PsiBreakStatement statement) {
final PsiIdentifier labelIdentifier = statement.getLabelIdentifier();
if (labelIdentifier == null) {
return;
}
final String labelText = labelIdentifier.getText();
if (labelText == null || labelText.length() == 0) {
return;
}
final PsiStatement exitedStatement = statement.findExitedStatement();
if (exitedStatement == null) {
return;
}
final PsiStatement labelEnabledParent =
PsiTreeUtil.getParentOfType(
statement,
PsiForStatement.class,
PsiDoWhileStatement.class,
PsiForeachStatement.class,
PsiWhileStatement.class,
PsiSwitchStatement.class);
if (labelEnabledParent == null) {
return;
}
if (exitedStatement.equals(labelEnabledParent)) {
registerStatementError(statement);
}
}
@NotNull
public static Identifier identifierToIdentifier(@Nullable PsiIdentifier identifier) {
if (identifier == null) return Identifier.EMPTY_IDENTIFIER;
return new IdentifierImpl(identifier.getText());
}