public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
{
_writer = context.CreateCodeWriter();
string prefix = context.BuildCodeString(
cw => cw.WriteHelperHeaderPrefix(context.Host.GeneratedClassContext.TemplateTypeName, context.Host.StaticHelpers));
_writer.WriteLinePragma(
context.GenerateLinePragma(Signature.Location, prefix.Length, Signature.Value.Length));
_writer.WriteSnippet(prefix);
_writer.WriteSnippet(Signature);
if (HeaderComplete)
{
_writer.WriteHelperHeaderSuffix(context.Host.GeneratedClassContext.TemplateTypeName);
}
_writer.WriteLinePragma(null);
if (HeaderComplete)
{
_writer.WriteReturn();
_writer.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
_writer.WriteStartLambdaDelegate(HelperWriterName);
}
_statementCollectorToken = context.ChangeStatementCollector(AddStatementToHelper);
_oldWriter = context.TargetWriterName;
context.TargetWriterName = HelperWriterName;
}
public override void GenerateStartBlockCode(Block target, CodeGeneratorContext context)
{
_writer = context.CreateCodeWriter();
string prefix = context.BuildCodeString(
cw => cw.WriteHelperHeaderPrefix(context.Host.GeneratedClassContext.TemplateTypeName, context.Host.StaticHelpers));
_writer.WriteLinePragma(
context.GenerateLinePragma(Signature.Location, prefix.Length, Signature.Value.Length));
_writer.WriteSnippet(prefix);
_writer.WriteSnippet(Signature);
if (HeaderComplete)
{
_writer.WriteHelperHeaderSuffix(context.Host.GeneratedClassContext.TemplateTypeName);
}
_writer.WriteLinePragma(null);
if (HeaderComplete)
{
_writer.WriteReturn();
_writer.WriteStartConstructor(context.Host.GeneratedClassContext.TemplateTypeName);
_writer.WriteStartLambdaDelegate(HelperWriterName);
}
_statementCollectorToken = context.ChangeStatementCollector(AddStatementToHelper);
_oldWriter = context.TargetWriterName;
context.TargetWriterName = HelperWriterName;
}
public static void WriteLocationTaggedString(this CodeWriter writer, LocationTagged <string> value)
{
writer.WriteStartMethodInvoke("Tuple.Create");
writer.WriteStringLiteral(value.Value);
writer.WriteParameterSeparator();
writer.WriteSnippet(value.Location.AbsoluteIndex.ToString(CultureInfo.CurrentCulture));
writer.WriteEndMethodInvoke();
}
public override void GenerateEndBlockCode(Block target, CodeGeneratorContext context)
{
_statementCollectorToken.Dispose();
if (HeaderComplete)
{
_writer.WriteEndLambdaDelegate();
_writer.WriteEndConstructor();
_writer.WriteEndStatement();
}
if (Footer != null && !String.IsNullOrEmpty(Footer.Value))
{
_writer.WriteLinePragma(
context.GenerateLinePragma(Footer.Location, 0, Footer.Value.Length));
_writer.WriteSnippet(Footer);
_writer.WriteLinePragma();
}
_writer.WriteHelperTrailer();
context.GeneratedClass.Members.Add(new CodeSnippetTypeMember(_writer.Content));
context.TargetWriterName = _oldWriter;
}
private void WriteBlockToHelperContent(BlockContext block)
{
Debug.Assert(InHelper);
// Create a code writer
CodeWriter writer = CreateCodeWriter();
// Build the block content
string content = block.Writer.Content;
if (block.SourceCodeStart != null && block.BlockType != BlockType.Markup)
{
content = PadContent(block, content);
}
// Generate the line pragma
bool writePragma = false;
int lineNumber = 0;
if (block.WriteLinePragma)
{
writePragma = GenerateLinePragmas && block.SourceCodeStart != null && block.BlockType != BlockType.Markup;
if (writePragma)
{
lineNumber = block.SourceCodeStart.Value.LineIndex + 1;
if (DesignTimeMode)
{
lineNumber = _nextDesignTimeLinePragma++;
}
writer.WriteLinePragma(lineNumber, SourceFileName);
}
}
// Write the block content
writer.WriteSnippet(content);
if (writePragma)
{
writer.WriteLinePragma(null, SourceFileName);
}
// Write this out to the helper content
CurrentHelper.Content.AppendLine(writer.Content);
// Configure the design-time pragma
if (writePragma && DesignTimeMode)
{
Debug.Assert(block.GeneratedCodeLength != null);
AddCodeMapping(lineNumber, block.SourceCodeStart.Value, block.GeneratedCodeStart, block.GeneratedCodeLength.Value);
}
}