@Override
public void visit(TryCatchStatement statement) {
List<Statement> statements = processSequence(statement.getProtectedBody());
statement.getProtectedBody().clear();
statement.getProtectedBody().addAll(statements);
statements = processSequence(statement.getHandler());
statement.getHandler().clear();
statement.getHandler().addAll(statements);
resultStmt = statement;
}
private void wieldTryCatch(List<Statement> statements) {
for (int i = 0; i < statements.size() - 1; ++i) {
if (statements.get(i) instanceof TryCatchStatement
&& statements.get(i + 1) instanceof TryCatchStatement) {
TryCatchStatement first = (TryCatchStatement) statements.get(i);
TryCatchStatement second = (TryCatchStatement) statements.get(i + 1);
if (Objects.equals(first.getExceptionType(), second.getExceptionType())
&& Objects.equals(first.getExceptionVariable(), second.getExceptionVariable())
&& briefStatementComparison(first.getHandler(), second.getHandler())) {
first.getProtectedBody().addAll(second.getProtectedBody());
statements.remove(i + 1);
wieldTryCatch(first.getProtectedBody());
--i;
}
}
}
}
