protected List<Operation> executeWithSameStack(
ExecutionContext context, List<Action> actions, Operation parentOperation)
throws StatementBlockException {
StatementBlock block = CodeUtil.getStatementBlockReader();
context.getOperationStack().push(parentOperation); // save parent operation in operation stack
block.setExecutionContext(context);
block.read(actions);
context.getOperationStack().pop(); // restore operation stack
return block.getOperations();
}
protected BlockExecutionResult executeWithCopiedStack(
ExecutionContext context, List<Action> actions, Operation parentOperation)
throws StatementBlockException {
StatementBlock block = CodeUtil.getStatementBlockReader();
context.getOperationStack().push(parentOperation); // save parent operation in operation stack
Stack<Operation> currentExecutionStack = context.getExecStack(); // save current execution stack
context.setExecStack(copyExecutionStack(currentExecutionStack)); // set a copy of current stack
block.setExecutionContext(context);
block.read(actions);
BlockExecutionResult blockExecutionResult =
new BlockExecutionResult(block.getOperations(), context.getExecStack());
context.setExecStack(currentExecutionStack); // restore previous execution stack
context.getOperationStack().pop(); // restore operation stack
return blockExecutionResult;
}