public void Init()
{
// Create and mount database file system
var objDatabase = ObjectDatabase.CreateDefaultDatabase();
var databaseFileProvider = new DatabaseFileProvider(objDatabase);
AssetManager.GetFileProvider = () => databaseFileProvider;
shaderMixinParser = new ShaderMixinParser(AssetManager.FileProvider);
shaderMixinParser.SourceManager.LookupDirectoryList.Add("/shaders");
}
private ShaderMixinParser GetMixinParser()
{
lock (shaderMixinParserLock)
{
// Generate the AST from the mixin description
if (shaderMixinParser == null)
{
shaderMixinParser = new ShaderMixinParser(FileProvider ?? AssetManager.FileProvider);
shaderMixinParser.SourceManager.LookupDirectoryList.AddRange(SourceDirectories); // TODO: temp
shaderMixinParser.SourceManager.UseFileSystem = UseFileSystem;
shaderMixinParser.SourceManager.UrlToFilePath = UrlToFilePath; // TODO: temp
}
return shaderMixinParser;
}
}
private void AnalyzeAndGoToDefinition(string shaderSource, SiliconStudio.Shaders.Ast.SourceLocation location, List <string> shaderDirectories, ShaderNavigationResult result)
{
var mixer = new ShaderMixinParser();
mixer.SourceManager.UseFileSystem = true;
mixer.AllowNonInstantiatedGenerics = true;
mixer.SourceManager.LookupDirectoryList.AddRange(shaderDirectories);
var shaderSourceName = Path.GetFileNameWithoutExtension(location.FileSource);
mixer.SourceManager.AddShaderSource(shaderSourceName, shaderSource, location.FileSource);
var mixinSource = new ShaderMixinSource();
mixinSource.Mixins.Add(new ShaderClassSource(shaderSourceName));
ShaderMixinParsingResult parsingResult;
HashSet <ModuleMixinInfo> moduleMixins;
var mixerResult = mixer.ParseAndAnalyze(mixinSource, null, out parsingResult, out moduleMixins);
// Copy shader analysis to result
parsingResult.CopyTo(result.Messages);
if (mixerResult == null)
{
return;
}
var mixin = mixerResult.MixinInfos.FirstOrDefault(item => item.MixinName == shaderSourceName);
if (mixin == null)
{
result.Messages.Error(ErrorMixinNotFound, GetSpan(location), shaderSourceName);
return;
}
// If first line, first column, this is not a go to definition but only parsing request, so return directly
if (location.Line == 1 && location.Column == 1)
{
return;
}
// var ast = mixin.MixinAst;
var parsingInfo = mixin.Mixin.ParsingInfo;
var pools = new List <ReferencesPool>
{
parsingInfo.ClassReferences,
parsingInfo.StaticReferences,
parsingInfo.ExternReferences,
parsingInfo.StageInitReferences,
};
foreach (var pool in pools)
{
var span = Find(pool, location);
if (span.HasValue)
{
result.DefinitionLocation = span.Value;
return;
}
}
// Else Try to find from remaining navigable nodes
foreach (var node in parsingInfo.NavigableNodes)
{
if (IsExpressionMatching(node, location))
{
var typeReferencer = node as ITypeInferencer;
if (typeReferencer != null && typeReferencer.TypeInference != null && typeReferencer.TypeInference.Declaration != null)
{
var declarationNode = (Node)typeReferencer.TypeInference.Declaration;
result.DefinitionLocation = declarationNode.Span;
break;
}
}
}
}
private void AnalyzeAndGoToDefinition(string shaderSource, SiliconStudio.Shaders.Ast.SourceLocation location, List<string> shaderDirectories, ShaderNavigationResult result)
{
// We are not using the storage when loading shaders from VS but directly the filesystem
var mixer = new ShaderMixinParser(null);
mixer.SourceManager.UseFileSystem = true;
mixer.AllowNonInstantiatedGenerics = true;
mixer.SourceManager.LookupDirectoryList.AddRange(shaderDirectories);
var shaderSourceName = Path.GetFileNameWithoutExtension(location.FileSource);
mixer.SourceManager.AddShaderSource(shaderSourceName, shaderSource, location.FileSource);
var mixinSource = new ShaderMixinSource();
mixinSource.Mixins.Add(new ShaderClassSource(shaderSourceName));
ShaderMixinParsingResult parsingResult;
HashSet<ModuleMixinInfo> moduleMixins;
var mixerResult = mixer.ParseAndAnalyze(mixinSource, null, out parsingResult, out moduleMixins);
// Copy shader analysis to result
parsingResult.CopyTo(result.Messages);
if (mixerResult == null)
{
return;
}
var mixin = mixerResult.MixinInfos.FirstOrDefault(item => item.MixinName == shaderSourceName);
if (mixin == null)
{
result.Messages.Error(ErrorMixinNotFound, GetSpan(location), shaderSourceName);
return;
}
// If first line, first column, this is not a go to definition but only parsing request, so return directly
if (location.Line == 1 && location.Column == 1)
{
return;
}
// var ast = mixin.MixinAst;
var parsingInfo = mixin.Mixin.ParsingInfo;
var pools = new List<ReferencesPool>
{
parsingInfo.ClassReferences,
parsingInfo.StaticReferences,
parsingInfo.ExternReferences,
parsingInfo.StageInitReferences,
};
foreach (var pool in pools)
{
var span = Find(pool, location);
if (span.HasValue)
{
result.DefinitionLocation = span.Value;
return;
}
}
// Else Try to find from remaining navigable nodes
foreach (var node in parsingInfo.NavigableNodes)
{
if (IsExpressionMatching(node, location))
{
var typeReferencer = node as ITypeInferencer;
if (typeReferencer != null && typeReferencer.TypeInference != null && typeReferencer.TypeInference.Declaration != null)
{
var declarationNode = (Node)typeReferencer.TypeInference.Declaration;
result.DefinitionLocation = declarationNode.Span;
break;
}
}
}
}