private RuntimeResult VisitForEachNode(ForEachNode node, Context context)
{
RuntimeResult iterResult = Visit(node.Iteratable, context);
if (iterResult.HasError)
{
return(iterResult);
}
int elementCount = iterResult.Value.GetElementCount();
string varName = node.Token.Value.ToString();
for (int i = 0; i < elementCount; i++)
{
RuntimeResult runtimeResult = iterResult.Value.GetElementAt(i);
if (runtimeResult.HasError)
{
return(runtimeResult);
}
context.AddSymbol(varName, runtimeResult.Value);
RuntimeResult bodyResult = Visit(node.Body, context);
if (bodyResult.HasError)
{
return(bodyResult);
}
}
return(new RuntimeResult(iterResult.Value));
}
private IEnumerable <Parser <Node <TContext, TRequest, TResponse> > > GetParsers()
{
return(new[] {
IfSetNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
EndIfSetNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
ForEachNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
EndForEachNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
IncludeNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
ModelNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
RootNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
ParentNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions),
ChildNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions)
}
.Concat(ViewOptions.CustomExpressionParsers.Select(_ => _.Select(e => new CustomExpressionNode <TContext, TRequest, TResponse>(Options, ViewOptions, e))))
.Concat(new[] { ContentNode <TContext, TRequest, TResponse> .GetParser(Options, ViewOptions) }));
}
public ForEachCompiler(ForEachNode node)
{
this.node = node;
}
private static void GenerateForEach(ForEachNode node, DataContext data)
{
WriteLine(data, "context.DeclareVariable(\"{0}\");", node.VariableDeclaration.VariableName);
data.VariableMap.DeclareVariable(node.VariableDeclaration.VariableName, node.Line, node.Column);
StartLine(data, "foreach (dynamic {0} in ", data.VariableMap.GetVariableName(node.VariableDeclaration.VariableName));
data.CodeBlock.DisableNewLines = true;
GenerateExpression(node.SourceExpression, data);
data.CodeBlock.DisableNewLines = false;
EndLine(data, ") {{");
data.CodeBlock.Padding++;
WriteLine(data, "context.SetVariable(\"{0}\", {1});", node.VariableDeclaration.VariableName, data.VariableMap.GetVariableName(node.VariableDeclaration.VariableName));
GenerateStatementBlock(node.BodyStatementBlock, data);
data.CodeBlock.Padding--;
WriteLine(data, "}}");
}