public bool Generate(SkJsFile 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 JsStatement)
{
if (node.StartLocation.IsEmpty)
continue;
var astNode = node.Annotation<AstNode>();
if (astNode == null || astNode.StartLocation.IsEmpty)
continue;
var region = astNode.GetRegion();
if (region.FileName.IsNullOrEmpty())
continue;
string sourceName = null;
if (node.NodeType == JsNodeType.MemberExpression)
sourceName = ((JsMemberExpression)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 JsBlock)
{
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),
});
}
}
}
}
var v3Doc = doc.GenerateV3MappingDocs("SourceMaps.ashx/").SingleOrDefault();
if (v3Doc == null)
{
Compiler.Log.WriteLine("Cannot generate source mapping file: " + mappingFilename + " - document not found");
return false;
}
var tmpFilename = mappingFilename + ".tmp";
//v3Doc.sourceRoot = "SourceMaps.ashx/";
v3Doc.SaveAs(tmpFilename);
FileUtils.CompareAndSaveFile(mappingFilename, tmpFilename);
if (CompilerConfiguration.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;
}
public bool Generate(SkJsFile 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 JsStatement)
{
if (node.StartLocation.IsEmpty)
{
continue;
}
var astNode = node.Annotation <AstNode>();
if (astNode == null || astNode.StartLocation.IsEmpty)
{
continue;
}
var region = astNode.GetRegion();
if (region.FileName.IsNullOrEmpty())
{
continue;
}
string sourceName = null;
if (node.NodeType == JsNodeType.MemberExpression)
{
sourceName = ((JsMemberExpression)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 JsBlock)
{
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),
});
}
}
}
}
var v3Doc = doc.GenerateV3MappingDocs("SourceMaps.ashx/").SingleOrDefault();
if (v3Doc == null)
{
Compiler.Log.WriteLine("Cannot generate source mapping file: " + mappingFilename + " - document not found");
return(false);
}
var tmpFilename = mappingFilename + ".tmp";
//v3Doc.sourceRoot = "SourceMaps.ashx/";
v3Doc.SaveAs(tmpFilename);
FileUtils.CompareAndSaveFile(mappingFilename, tmpFilename);
if (CompilerConfiguration.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);
}
