public ILSLTreePreePass EnterEventScope(LSLParser.EventHandlerContext context,
LSLParsedEventHandlerSignature eventSig)
{
_parameterScopeVariables.Clear();
CurrentFunctionBodySignature = null;
CurrentFunctionContext = null;
CurrentEventHandlerSignature = eventSig;
CurrentEventHandlerContext = context;
if (eventSig.ParameterListNode != null)
{
//define all the parameters in the local scope, they are not considered constant in the analysis
foreach (var parameter in eventSig.ParameterListNode.Parameters)
{
//parameter references are implicitly not constant
var parameterRef = LSLVariableDeclarationNode.CreateParameter(parameter);
_parameterScopeVariables.Add(parameter.Name, parameterRef);
}
}
return(DoLabelCollectorPrePass(context));
}
/// <exception cref="ArgumentNullException">
/// <paramref name="parameterList" /> or <paramref name="code" /> is
/// <c>null</c>.
/// </exception>
internal LSLEventHandlerNode(LSLParser.EventHandlerContext context, LSLParameterListNode parameterList,
LSLCodeScopeNode code)
{
if (parameterList == null)
{
throw new ArgumentNullException("parameterList");
}
if (code == null)
{
throw new ArgumentNullException("code");
}
Name = context.handler_name.Text;
Code = code;
Code.Parent = this;
Code.CodeScopeType = LSLCodeScopeType.EventHandler;
ParameterList = parameterList;
ParameterList.Parent = this;
SourceRange = new LSLSourceCodeRange(context);
SourceRangeName = new LSLSourceCodeRange(context.handler_name);
SourceRangesAvailable = true;
}
private LSLLabelCollectorPrePass DoLabelCollectorPrePass(
LSLParser.EventHandlerContext context)
{
var r = new LSLLabelCollectorPrePass(this, ValidatorStrategies);
r.Visit(context);
return(r);
}
/// <summary>
/// Exit a parse tree produced by <see cref="LSLParser.eventHandler"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitEventHandler([NotNull] LSLParser.EventHandlerContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="LSLParser.eventHandler"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitEventHandler([NotNull] LSLParser.EventHandlerContext context)
{
return(VisitChildren(context));
}
