private Statement ParseVarStatement()
{
Eat(TokenKind.KeywordVar);
var varStart = GetStart();
List<VarInitialization> vars = new List<VarInitialization>();
VarInitialization cvar;
NameExpression name;
Expression defaultVal;
do
{
NameToken nt = (NameToken)NextToken(TokenKind.Name);
int start = GetStart(), end = GetEnd();
var span = GetSourceSpan();
defaultVal = MaybeEat(TokenKind.Assign) ? ParseExpression() : null;
if (_sink != null)
_sink.StartName(span, nt.Name);
name = new NameExpression(nt.Name);
name.SetLoc(_globalParent, start, end);
cvar = new VarInitialization(name, defaultVal);
cvar.SetLoc(_globalParent, start, GetEnd());
vars.Add(cvar);
} while (MaybeEat(TokenKind.Comma));
if (!EatSemiOrInteractiveEndOfFile())
return null;
Statement stmt = new VarStatement(vars.ToArray());
stmt.SetLoc(_globalParent, varStart, GetEnd());
return stmt;
}
public override bool Walk(VarStatement node)
{
node.Parent = _currentScope;
return base.Walk(node);
}