public void CreateCodeMapping(string padding, string code, Chunk chunk)
{
using (CSharpLineMappingWriter mappingWriter = Writer.BuildLineMapping(chunk.Start, code.Length, Context.SourceFile))
{
Writer.Write(padding);
mappingWriter.MarkLineMappingStart();
Writer.Write(code);
mappingWriter.MarkLineMappingEnd();
}
}
public static CSharpLineMappingWriter BuildCodeMapping(this CSharpCodeWriter writer, MappingLocation documentLocation)
{
// TODO: Update the primary API to accept mapping locations
var sourceLocation = new SourceLocation(
documentLocation.FilePath,
documentLocation.AbsoluteIndex,
documentLocation.LineIndex,
documentLocation.CharacterIndex);
var lineMappingWriter = new CSharpLineMappingWriter(writer, sourceLocation, documentLocation.ContentLength);
return(lineMappingWriter);
}
private void RenderRuntimeExpressionBlockChunkWithContentSpan(ExpressionBlockChunk chunk, Span contentSpan)
{
var generateInstrumentation = ShouldGenerateInstrumentationForExpressions();
if (generateInstrumentation)
{
Writer.WriteStartInstrumentationContext(Context, contentSpan, isLiteral: false);
}
using (var mappingWriter = new CSharpLineMappingWriter(Writer, chunk.Start, Context.SourceFile))
{
if (!string.IsNullOrEmpty(Context.TargetWriterName))
{
var generatedStart =
WriteToMethodName.Length +
Context.TargetWriterName.Length +
3; // 1 for the opening '(' and 2 for ', '
var padding = _paddingBuilder.BuildExpressionPadding(contentSpan, generatedStart);
Writer
.Write(padding)
.WriteStartMethodInvocation(WriteToMethodName)
.Write(Context.TargetWriterName)
.WriteParameterSeparator();
}
else
{
var generatedStart =
WriteMethodName.Length +
1; // for the opening '('
var padding = _paddingBuilder.BuildExpressionPadding(contentSpan, generatedStart);
Writer
.Write(padding)
.WriteStartMethodInvocation(WriteMethodName);
}
Accept(chunk.Children);
Writer.WriteEndMethodInvocation();
}
if (generateInstrumentation)
{
Writer.WriteEndInstrumentationContext(Context);
}
}
protected override void Visit(SetBaseTypeChunk chunk)
{
if (Context.Host.DesignTimeMode)
{
using (CSharpLineMappingWriter lineMappingWriter = Writer.BuildLineMapping(chunk.Start, chunk.TypeName.Length, Context.SourceFile))
{
Writer.Indent(chunk.Start.CharacterIndex);
lineMappingWriter.MarkLineMappingStart();
Writer.Write(chunk.TypeName);
lineMappingWriter.MarkLineMappingEnd();
Writer.Write(" ").Write(InheritsHelper).Write(" = null;");
}
}
}
protected override void Visit(DynamicCodeAttributeChunk chunk)
{
if (Context.Host.DesignTimeMode)
{
// Render the children as is without wrapping them in calls to WriteAttribute
Accept(chunk.Children);
return;
}
var currentRenderingMode = Context.ExpressionRenderingMode;
var currentTargetWriterName = Context.TargetWriterName;
CSharpLineMappingWriter lineMappingWriter = null;
var code = chunk.Children.FirstOrDefault();
if (code is ExpressionChunk || code is ExpressionBlockChunk)
{
// We only want to render the #line pragma if the attribute value will be in-lined.
// Ex: WriteAttributeValue("", 0, DateTime.Now, 0, 0, false)
// For non-inlined scenarios: WriteAttributeValue("", 0, (_) => ..., 0, 0, false)
// the line pragma will be generated inside the lambda.
lineMappingWriter = new CSharpLineMappingWriter(Writer, chunk.Start, Context.SourceFile);
}
if (!string.IsNullOrEmpty(currentTargetWriterName))
{
Writer.WriteStartMethodInvocation(Context.Host.GeneratedClassContext.WriteAttributeValueToMethodName)
.Write(currentTargetWriterName)
.WriteParameterSeparator();
}
else
{
Writer.WriteStartMethodInvocation(WriteAttributeValueMethodName);
}
Context.TargetWriterName = ValueWriterName;
if (code is ExpressionChunk || code is ExpressionBlockChunk)
{
Debug.Assert(lineMappingWriter != null);
Writer
.WriteLocationTaggedString(chunk.Prefix)
.WriteParameterSeparator();
Context.ExpressionRenderingMode = ExpressionRenderingMode.InjectCode;
Accept(code);
Writer
.WriteParameterSeparator()
.Write(chunk.Start.AbsoluteIndex.ToString(CultureInfo.InvariantCulture))
.WriteParameterSeparator()
.Write(chunk.Association.Length.ToString(CultureInfo.InvariantCulture))
.WriteParameterSeparator()
.WriteBooleanLiteral(value: false)
.WriteEndMethodInvocation();
lineMappingWriter.Dispose();
}
else
{
Writer
.WriteLocationTaggedString(chunk.Prefix)
.WriteParameterSeparator()
.WriteStartNewObject(Context.Host.GeneratedClassContext.TemplateTypeName);
using (Writer.BuildAsyncLambda(endLine: false, parameterNames: ValueWriterName))
{
Accept(chunk.Children);
}
Writer
.WriteEndMethodInvocation(false)
.WriteParameterSeparator()
.Write(chunk.Start.AbsoluteIndex.ToString(CultureInfo.InvariantCulture))
.WriteParameterSeparator()
.Write(chunk.Association.Length.ToString(CultureInfo.InvariantCulture))
.WriteParameterSeparator()
.WriteBooleanLiteral(false)
.WriteEndMethodInvocation();
}
Context.TargetWriterName = currentTargetWriterName;
Context.ExpressionRenderingMode = currentRenderingMode;
}
