public bool CanGenerate(JFileWrapper skFile)
{
if (skFile.JsFile == null)
{
return(false);
}
var file = skFile.JsFile;
if (file.Units.IsNullOrEmpty())
{
return(false);
}
return(true);
}
public void TryGenerateAndAddMappingDirective(JFileWrapper file)
{
if (!CanGenerate(file))
{
return;
}
if (Generate(file))
{
var generatedFilename = file.TempFilename;
var mappingFilename = GetSourceMapFilename(file.JsFile.Filename);
AddMappingDirective(generatedFilename, mappingFilename);
}
}
public bool Generate(JFileWrapper skFile)
{
var file = skFile.JsFile;
var doc = new SourceMappingDocument {
Mappings = new List <SourceMappingItem>()
};
var generatedFilename = file.Filename;
var mappingFilename = GetSourceMapFilename(generatedFilename);
Compiler.Log.WriteLine(" {0}", mappingFilename);
foreach (var unit in file.Units)
{
foreach (var node in unit.Descendants())
{
if (node is JStatement)
{
if (node.StartLocation.IsEmpty)
{
continue;
}
var ex = node.Ex(false);
if (ex == null || ex.AstNode == null || ex.AstNode.StartLocation.IsEmpty)
{
continue;
}
var region = ex.AstNode.GetRegion();
if (region.FileName.IsNullOrEmpty())
{
continue;
}
string sourceName = null;
if (node is JMemberExpression)
{
sourceName = ((JMemberExpression)node).Name;
}
doc.Mappings.Add(new SourceMappingItem
{
GeneratedLocation = new FileLocation(file.Filename, node.StartLocation.Line, node.StartLocation.Column),
SourceLocation = new FileLocation(region.FileName, region.BeginLine, region.BeginColumn),
SourceName = sourceName,
});
if (node is JBlock)
{
var genCol = node.EndLocation.Column;
if (node.EndLocation.Line > node.StartLocation.Line)
{
//GenCol=1 otherwise chrome doesn't move debugger to close brace
genCol = 1;
}
doc.Mappings.Add(new SourceMappingItem
{
GeneratedLocation = new FileLocation(file.Filename, node.EndLocation.Line, genCol),
SourceLocation = new FileLocation(region.FileName, region.EndLine, region.EndColumn),
});
}
}
}
}
throw new NotSupportedException();
//var v3Doc = doc.GenerateV3MappingDocs().SingleOrDefault();
//if (v3Doc == null)
//{
// CompilerTool.Current.Log.WriteLine("Cannot generate source mapping file: " + mappingFilename + " - document not found");
// return false;
//}
//v3Doc.sourceRoot = "SourceMaps.ashx/";
//v3Doc.SaveAs(mappingFilename);
//if (CompilerConfig.Current.GenerateSourceMapsDebugFiles)
//{
// var lines = doc.Mappings.OrderBy(t => t.GeneratedLocation.Line).ThenBy(t => t.GeneratedLocation.Column).Select(t => String.Format("{0} -> {1} = {2}", t.GeneratedLocation, t.SourceLocation, t.SourceName)).ToArray();
// var xmlDebugFile = mappingFilename + ".txt";
// File.WriteAllLines(xmlDebugFile, lines);
// v3Doc.SaveAsText(mappingFilename + ".v3.txt");
//}
//return true;
}
