public virtual Statement VisitExpose(Expose @expose)
{
if (@expose == null) return null;
@expose.Instance = this.VisitExpression(@expose.Instance);
@expose.Body = this.VisitBlock(expose.Body);
return expose;
}
private Statement ParseExpose(TokenSet followers, NodeType nodeType, bool preferExpressionToDeclaration){
Token tok = this.currentToken;
int tokStartPos = this.scanner.CurrentSourceContext.StartPos;
ScannerState ss = this.scanner.state;
Expose expose = new Expose(nodeType);
if (tok == Token.Expose) expose.IsLocal = true;
expose.SourceContext = this.scanner.CurrentSourceContext;
this.GetNextToken();
if (tok == Token.Read || tok == Token.Write) {
if (this.currentToken != Token.Lock) goto AbandonExpose;
this.GetNextToken();
} else if (tok == Token.Additive) {
if (this.currentToken != Token.Expose) goto AbandonExpose;
this.GetNextToken();
} else if (this.currentToken != Token.LeftParenthesis)
goto AbandonExpose;
SourceContext sctx = this.scanner.CurrentSourceContext;
this.Skip(Token.LeftParenthesis);
expose.Instance = this.ParseExpression(followers | Token.RightParenthesis | Parser.StatementStart);
this.ParseBracket(sctx, Token.RightParenthesis, followers|Parser.StatementStart, Error.ExpectedRightParenthesis);
Block b = this.ParseStatementAsBlock(followers);
expose.Body = b;
if (b != null){
expose.SourceContext.EndPos = b.SourceContext.EndPos;
if (b.Statements == null)
this.HandleError(b.SourceContext, Error.PossibleMistakenNullStatement);
}
return expose;
AbandonExpose:
this.scanner.endPos = tokStartPos;
this.scanner.state = ss;
this.currentToken = Token.None;
this.GetNextToken();
return this.ParseExpressionStatementOrDeclaration(false, followers, preferExpressionToDeclaration, true);
}
public override Statement VisitExpose(Expose Expose)
{
if (Expose == null) return null;
return base.VisitExpose((Expose)Expose.Clone());
}
public EventingVisitor(Action<Expose> visitExpose) { VisitedExpose += visitExpose; } public event Action<Expose> VisitedExpose; public override Statement VisitExpose(Expose expose) { if (VisitedExpose != null) VisitedExpose(expose); return base.VisitExpose(expose); }