// возвращает List<MethodDeclarationParameter>
public override object VisitFormalParameters([NotNull] DoshikParser.FormalParametersContext context)
{
_compilationContext.SetParsingAntlrContext(context);
var parameterList = context.formalParameterList();
if (parameterList == null)
{
return(new List <MethodDeclarationParameter>(0));
}
return(Visit(parameterList));
}
private void HandleEventDeclaration(
DoshikParser.TypeTypeOrVoidContext eventReturnTypeCtx,
string eventCodeName,
DoshikParser.FormalParametersContext eventParametersCtx,
DoshikParser.BlockContext eventBodyCtx
)
{
var eventDeclaration = new EventDeclaration(_compilationContext.CompilationUnit);
eventDeclaration.Parameters = new MethodDeclarationParameters(eventDeclaration, _compilationContext.CompilationUnit.Scope);
_currentMethodDeclaration = eventDeclaration;
eventDeclaration.Name = eventCodeName;
var foundType = GetTypeNameVisitor.Apply(_compilationContext, eventReturnTypeCtx);
foundType.ThrowIfNotFound(_compilationContext);
eventDeclaration.ReturnTypeOrVoid = foundType.DataType;
eventDeclaration.ExternalEvent = _compilationContext.FindExternalApiEventByCodeName(eventDeclaration.Name);
if (_compilationContext.CompilationUnit.Events.ContainsKey(eventDeclaration.Name))
{
throw _compilationContext.ThrowCompilationError($"event handler { eventDeclaration.Name } is already defined");
}
eventDeclaration.Parameters.Parameters.AddRange((List <MethodDeclarationParameter>)Visit(eventParametersCtx));
eventDeclaration.AntlrBody = eventBodyCtx;
if (eventDeclaration.IsCustom)
{
ValidateCustomEvent(eventDeclaration);
}
else
{
ValidateBuiltInEvent(eventDeclaration);
}
_compilationContext.CompilationUnit.Events[eventDeclaration.Name] = eventDeclaration;
}
/// <summary>
/// Visit a parse tree produced by <see cref="DoshikParser.formalParameters"/>.
/// <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 VisitFormalParameters([NotNull] DoshikParser.FormalParametersContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="DoshikParser.formalParameters"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFormalParameters([NotNull] DoshikParser.FormalParametersContext context)
{
}
