/// <summary>
/// Replace the method occurence with its last definition
/// </summary>
/// <param name="methodDeclaration">the overriding method</param>
/// <param name="errorLogger"></param>
public void ReplaceVirtualMethod(MethodDeclaration methodDeclaration, LoggerResult errorLogger)
{
var baseDeclarationMixin = (string)methodDeclaration.GetTag(XenkoTags.BaseDeclarationMixin);
foreach (var dict in VirtualTableGroup.Select(x => x.Value))
{
for (int i = 0; i < dict.Length; ++i)
{
var method = dict[i];
var originalDecl = (string)method.GetTag(XenkoTags.BaseDeclarationMixin);
// TODO: take typedefs into account...
if (originalDecl == baseDeclarationMixin && method.IsSameSignature(methodDeclaration))
{
if (method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Warning(XenkoMessageCode.WarningMissingStageKeyword, methodDeclaration.Span, methodDeclaration, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers |= XenkoStorageQualifier.Stage;
}
else if (!method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Error(XenkoMessageCode.ErrorExtraStageKeyword, methodDeclaration.Span, methodDeclaration, method, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers.Values.Remove(XenkoStorageQualifier.Stage);
}
dict[i] = methodDeclaration;
}
}
}
}
/// <summary>
/// Merge with a local virtual table = need to check override keywords
/// </summary>
/// <param name="virtualTable">the virtual table to add</param>
/// <param name="mixinName">the name of the mixin</param>
/// <param name="log">the error logger</param>
public void MergeWithLocalVirtualTable(MixinVirtualTable virtualTable, string mixinName, LoggerResult log)
{
foreach (var method in virtualTable.Methods)
{
var methodDecl = Methods.LastOrDefault(x => x.Method.IsSameSignature(method.Method));
if (methodDecl != null)
{
var isBaseMethod = method.Shader.BaseClasses.Any(x => x.Name.Text == methodDecl.Shader.Name.Text);
if (isBaseMethod)
{
if (methodDecl.Method is MethodDefinition)
{
if (!method.Method.Qualifiers.Contains(ParadoxStorageQualifier.Override))
{
log.Error(ParadoxMessageCode.ErrorMissingOverride, method.Method.Span, method.Method, mixinName);
continue;
}
}
else if (method.Method.Qualifiers.Contains(ParadoxStorageQualifier.Override))
{
log.Error(ParadoxMessageCode.ErrorOverrideDeclaration, method.Method.Span, method.Method, mixinName);
continue;
}
}
Methods.Remove(methodDecl);
}
else
{
if (method.Method.Qualifiers.Contains(ParadoxStorageQualifier.Override))
{
log.Error(ParadoxMessageCode.ErrorNoMethodToOverride, method.Method.Span, method.Method, mixinName);
continue;
}
}
Methods.Add(method);
// TODO: handle declarations vs definitions
}
Variables.UnionWith(virtualTable.Variables.Where(x => !Variables.Contains(x)));
StructureTypes.AddRange(virtualTable.StructureTypes.Where(x => !StructureTypes.Contains(x)));
Typedefs.AddRange(virtualTable.Typedefs.Where(x => !Typedefs.Contains(x)));
}
/// <summary>
/// Link all the stage compositions in case it is referenced at several places.
/// </summary>
/// <param name="variable">The variable of the composition.</param>
/// <param name="composition">The composition.</param>
/// <param name="dictionary">The already registered compositions.</param>
/// <param name="extraDictionary">The new compositions.</param>
/// <param name="log">The logger.</param>
private static void FullLinkStageCompositions(Variable variable, List<ModuleMixin> composition, CompositionDictionary dictionary, Dictionary<Variable, List<ModuleMixin>> extraDictionary, LoggerResult log)
{
var mixin = variable.GetTag(ParadoxTags.ShaderScope) as ModuleMixin;
if (mixin != null)
{
var className = mixin.MixinName;
foreach (var item in dictionary)
{
if (item.Key == variable)
continue;
foreach (var module in item.Value)
{
if (module.MixinName == className || module.InheritanceList.Any(x => x.MixinName == className))
{
// add reference
var foundVars = module.FindAllVariablesByName(variable.Name).Where(value => value.Variable.Qualifiers.Contains(ParadoxStorageQualifier.Compose)).ToList();;
if (foundVars.Count > 1)
{
log.Error(ParadoxMessageCode.ErrorAmbiguousComposition, new SourceSpan(), variable.Name);
}
else if (foundVars.Count > 0)
{
// if there is already a filled composition, it means that the ShaderMixinSource filled the composition information at two different places
// TODO: verify that
var foundVar = foundVars[0].Variable;
List<ModuleMixin> previousList;
if (dictionary.TryGetValue(foundVar, out previousList))
{
previousList.AddRange(composition);
}
else
extraDictionary.Add(foundVars[0].Variable, composition);
}
else
{
// No matching variable was found
// TODO: log a message?
}
}
}
}
}
}
/// <summary>
/// create the context for each composition by cloning their dependencies
/// </summary>
/// <param name="shaderSource">the entry ShaderSource (root)</param>
/// <param name="dictionary">the ouputed compositions</param>
/// <param name="compilationContext">the compilation context</param>
/// <param name="cloneContext">The clone context.</param>
/// <returns>a list of all the needed mixins</returns>
private static List<ModuleMixin> BuildCompositionsDictionary(ShaderSource shaderSource, CompositionDictionary dictionary, ShaderCompilationContext compilationContext, CloneContext cloneContext, LoggerResult log)
{
if (shaderSource is ShaderMixinSource)
{
var shaderMixinSource = shaderSource as ShaderMixinSource;
var finalModule = compilationContext.GetModuleMixinFromShaderSource(shaderSource);
//PerformanceLogger.Start(PerformanceStage.DeepClone);
finalModule = finalModule.DeepClone(new CloneContext(cloneContext));
//PerformanceLogger.Pause(PerformanceStage.DeepClone);
foreach (var composition in shaderMixinSource.Compositions)
{
//look for the key
var foundVars = finalModule.FindAllVariablesByName(composition.Key).Where(value => value.Variable.Qualifiers.Contains(ParadoxStorageQualifier.Compose)).ToList();
if (foundVars.Count > 1)
{
log.Error(ParadoxMessageCode.ErrorAmbiguousComposition, new SourceSpan(), composition.Key);
}
else if (foundVars.Count > 0)
{
Variable foundVar = foundVars[0].Variable;
var moduleMixins = BuildCompositionsDictionary(composition.Value, dictionary, compilationContext, cloneContext, log);
if (moduleMixins == null)
return null;
dictionary.Add(foundVar, moduleMixins);
}
else
{
// No matching variable was found
// TODO: log a message?
}
}
return new List<ModuleMixin> { finalModule };
}
if (shaderSource is ShaderClassSource)
{
var finalModule = compilationContext.GetModuleMixinFromShaderSource(shaderSource);
//PerformanceLogger.Start(PerformanceStage.DeepClone);
finalModule = finalModule.DeepClone(new CloneContext(cloneContext));
//PerformanceLogger.Pause(PerformanceStage.DeepClone);
return new List<ModuleMixin> { finalModule };
}
if (shaderSource is ShaderArraySource)
{
var shaderArraySource = shaderSource as ShaderArraySource;
var compositionArray = new List<ModuleMixin>();
foreach (var shader in shaderArraySource.Values)
{
var mixin = BuildCompositionsDictionary(shader, dictionary, compilationContext, cloneContext, log);
if (mixin == null)
return null;
compositionArray.AddRange(mixin);
}
return compositionArray;
}
return null;
}
/// <summary>
/// Check the name conflict between the two virtual tables
/// </summary>
public bool CheckNameConflict(MixinVirtualTable virtualTable, LoggerResult log)
{
var conflict = false;
foreach (var variable in virtualTable.Variables.Where(variable => Variables.Any(x => x.Variable.Name.Text == variable.Variable.Name.Text)))
{
log.Error(ParadoxMessageCode.ErrorVariableNameConflict, variable.Variable.Span, variable.Variable, "");
conflict = true;
}
return conflict;
}
/// <summary>
/// Find the base definition of the method and override its occurence
/// </summary>
/// <param name="methodDeclaration"></param>
/// <param name="errorLogger"></param>
private void LookForBaseDeclarationMixin(MethodDeclaration methodDeclaration, LoggerResult errorLogger)
{
foreach (var dict in VirtualTableGroup.Select(x => x.Value))
{
for (int i = 0; i < dict.Length; ++i)
{
var method = dict[i];
var baseDeclarationMixin = (string)method.GetTag(XenkoTags.BaseDeclarationMixin);
// TODO: take typedefs into account...
if (method.IsSameSignature(methodDeclaration))
{
var sourceShader = ((ModuleMixin)methodDeclaration.GetTag(XenkoTags.ShaderScope)).MixinName;
// test override
if (methodDeclaration is MethodDefinition && method is MethodDefinition && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Override))
errorLogger.Error(XenkoMessageCode.ErrorMissingOverride, method.Span, methodDeclaration, sourceShader);
if (!(methodDeclaration is MethodDefinition))
errorLogger.Error(XenkoMessageCode.ErrorOverrindingDeclaration, method.Span, methodDeclaration, sourceShader);
if (method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && !methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Warning(XenkoMessageCode.WarningMissingStageKeyword, methodDeclaration.Span, methodDeclaration, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers |= XenkoStorageQualifier.Stage;
}
else if (!method.Qualifiers.Contains(XenkoStorageQualifier.Stage) && methodDeclaration.Qualifiers.Contains(XenkoStorageQualifier.Stage))
{
errorLogger.Error(XenkoMessageCode.ErrorExtraStageKeyword, methodDeclaration.Span, methodDeclaration, method, (methodDeclaration.GetTag(XenkoTags.ShaderScope) as ModuleMixin).MixinName);
methodDeclaration.Qualifiers.Values.Remove(XenkoStorageQualifier.Stage);
}
dict[i] = methodDeclaration;
methodDeclaration.SetTag(XenkoTags.BaseDeclarationMixin, baseDeclarationMixin);
}
}
}
}