public override void Visit(BreakStmt breakStmt, object[] args)
{
if (loopStack.Count == 0)
{
kernel.IssueError(ErrorType.BreakNotInLoop, breakStmt.Location);
}
base.Visit(breakStmt, args);
}
public virtual void Visit(BreakStmt breakStmt, object[] args)
{
}
public virtual void Visit(BreakStmt breakStmt, object[] args)
{
}
public void Visit(BreakStmt breakStmt, object[] args)
{
//在编译时已经检查过break的合法性
ASTNode node = null;
do
{
int id = kernel.RuntimeData.InstructionStack.Pop();
if (id == InstructionStack.CLOSE_LOCAL_SCOPE_FLAG)
{
kernel.RuntimeData.ScopeStack.Close();
continue;
}
node = root.NodeMap[id];
} while (!(node is LoopStmt));
kernel.Next();
}
