private Statement ParseLoopFlowControlStatement()
{
if (!_inLoop)
{
string name;
TokenKind kind = NextToken().Kind;
if (kind == TokenKind.KeywordBreak)
name = "break";
else
name = "continue";
ReportSyntaxError("'" + name + "' outside loop.");
return null;
}
Statement ret;
switch (NextToken().Kind)
{
case TokenKind.KeywordBreak:
ret = new BreakStatement();
break;
case TokenKind.KeywordContinue:
ret = new ContinueStatement();
break;
default:
throw Assert.Unreachable;
}
var start = GetStart();
Eat(TokenKind.Semicolon);
ret.SetLoc(_globalParent, start, GetEnd());
return ret;
}
public override bool Walk(ContinueStatement node)
{
node.Parent = _currentScope;
node.LoopStatement = _loops[_loops.Count - 1];
return base.Walk(node);
}