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();
}
public StoreRegisterOperation(ExecutionContext context, StoreRegister action) {
super(context.getExecStack().peek());
this.registerNumber = action.getNumber();
logger.debug("Register number = " + this.registerNumber);
logger.debug("Adding register " + this.registerNumber + " = " + op);
this.registerHandle = new RegisterHandle(this.registerNumber, op, this);
context.getRegisters().set(this.registerNumber, this.registerHandle);
String regInfo = "REGS:";
int i = 1;
for (Operation op : context.getRegisters()) {
regInfo += (i++) + "=>" + op + ",";
}
logger.debug(regInfo);
handleIncrementDecrement();
// If operation under Enumerate/Enumerate2 and NullStackValue is assigned to register,
// set this RegisterHandle as variable in for..in statement and skip this statement.
if (!context.getOperationStack().isEmpty()
&& (context.getOperationStack().peek() instanceof ForInOperation)
&& op instanceof NullStackValue) {
((ForInOperation) context.getOperationStack().peek()).setVariable(registerHandle);
// ((ForInOperation)context.getOperationStack().peek()).setVariable(op);
skipOperation = true;
}
}
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;
}
public int getPrintOffset() {
return (context.getActionStack() != null) ? context.getActionStack().size() : 0;
}
public AbstractCompoundOperation(ExecutionContext context) {
super(context.getExecStack());
this.context = context;
this.statementBlock = CodeUtil.getStatementBlockReader();
}