protected override bool ExpandExtension(ref MethodInvocationExpression extension,
MacroStatement macro, MacroStatement parent,
ref Statement expansion)
{
if (macro.Body != null)
{
PromoteExtensions(macro, parent);
var builder = new HashConfigurationBuilder();
if (builder.BuildConfig(macro.Body, Errors) && builder.HasConfiguration)
{
extension.Arguments.Add(builder.HashConfiguration);
return(true);
}
}
return(false);
}
private bool ProcessAttributes(MacroStatement macro)
{
HashConfigurationBuilder builder = new HashConfigurationBuilder();
if (!builder.BuildAttributes(macro.Block, Errors))
{
return(false);
}
if (builder.HasConfiguration)
{
MethodInvocationExpression extension = new MethodInvocationExpression(
AstUtil.CreateReferenceExpression(typeof(ConfigurationExtension).FullName)
);
extension.Arguments.Add(builder.HashConfiguration);
RegisterExtension(macro, extension);
}
return(true);
}
private bool BuildConfigurationChild(MethodInvocationExpression child)
{
Block configBlock;
List <Expression> attributes = new List <Expression>();
ConfigurationNodeVisitor nodeVisitor = new ConfigurationNodeVisitor();
if (!nodeVisitor.GetNode(child, _compileErrors))
{
return(false);
}
if (!MacroHelper.IsNewBlock(child, out configBlock))
{
attributes.AddRange(child.Arguments);
return(BuildConfigurationChild(nodeVisitor.Node, null, attributes));
}
else
{
if (configBlock.HasStatements)
{
HashConfigurationBuilder nested = new HashConfigurationBuilder();
if (nested.BuildConfig(configBlock, _compileErrors) &&
nested.HasConfiguration)
{
_configuration.Items.Add(new ExpressionPair(nodeVisitor.Node,
nested.HashConfiguration));
return(true);
}
}
else
{
return(BuildConfigurationChild(nodeVisitor.Node, null, null));
}
}
return(false);
}
private bool BuildConfigurationChild(MethodInvocationExpression child)
{
Block configBlock;
var attributes = new List<Expression>();
var nodeVisitor = new ConfigurationNodeVisitor();
if (nodeVisitor.GetNode(child, _compileErrors) == false)
return false;
if (MacroHelper.IsNewBlock(child, out configBlock) == false)
{
attributes.AddRange(child.Arguments);
return BuildConfigurationChild(nodeVisitor.Node, null, attributes);
}
else
{
if (configBlock.IsEmpty == false)
{
var nested = new HashConfigurationBuilder();
if (nested.BuildConfig(configBlock, _compileErrors) &&
nested.HasConfiguration)
{
_configuration.Items.Add(new ExpressionPair(nodeVisitor.Node, nested.HashConfiguration));
return true;
}
}
else
{
return BuildConfigurationChild(nodeVisitor.Node, null, null);
}
}
return false;
}
