/// <summary>
/// Loads the <see cref="ShaderClassType" />.
/// </summary>
/// <param name="shaderClassSource">The shader class source.</param>
/// <param name="shaderMacros">The shader macros.</param>
/// <param name="log">The log to output error logs.</param>
/// <param name="autoGenericInstances"></param>
/// <returns>A ShaderClassType or null if there was some errors.</returns>
/// <exception cref="System.ArgumentNullException">shaderClassSource</exception>
public ShaderClassType LoadClassSource(ShaderClassSource shaderClassSource, SiliconStudio.Shaders.Parser.ShaderMacro[] shaderMacros, LoggerResult log, bool autoGenericInstances)
{
if (shaderClassSource == null)
{
throw new ArgumentNullException("shaderClassSource");
}
string generics = null;
if (shaderClassSource.GenericArguments != null)
{
generics = "";
foreach (var gen in shaderClassSource.GenericArguments)
{
generics += "___" + gen;
}
}
var shaderClassType = LoadShaderClass(shaderClassSource.ClassName, generics, log, shaderMacros);
if (shaderClassType == null)
{
return(null);
}
// Instantiate generic class
if (shaderClassSource.GenericArguments != null || (shaderClassType.ShaderGenerics.Count > 0 && autoGenericInstances))
{
if (shaderClassType.IsInstanciated)
{
return(shaderClassType);
}
// If we want to automatically generate a generic instance (in case we just want to parse and verify the generic)
if (autoGenericInstances)
{
shaderClassSource.GenericArguments = new string[shaderClassType.ShaderGenerics.Count];
for (int i = 0; i < shaderClassSource.GenericArguments.Length; i++)
{
var variableGeneric = shaderClassType.ShaderGenerics[i];
shaderClassSource.GenericArguments[i] = GetDefaultConstValue(variableGeneric);
}
}
if (shaderClassSource.GenericArguments.Length != shaderClassType.ShaderGenerics.Count)
{
log.Error(ParadoxMessageCode.WrongGenericNumber, shaderClassType.Span, shaderClassSource.ClassName);
return(null);
}
// check the name of the generics
foreach (var generic in shaderClassType.ShaderGenerics)
{
foreach (var genericCompare in shaderClassType.ShaderGenerics.Where(x => x != generic))
{
if (generic.Name.Text == genericCompare.Name.Text)
{
log.Error(ParadoxMessageCode.SameNameGenerics, generic.Span, generic, genericCompare, shaderClassSource.ClassName);
}
}
}
if (log.HasErrors)
{
return(null);
}
// When we use an actual generic instance, we replace the name with the name of the class + a hash of the generic parameters
if (!autoGenericInstances)
{
var className = GenerateGenericClassName(shaderClassSource);
shaderClassType.Name = new Identifier(className);
}
var genericAssociation = CreateGenericAssociation(shaderClassType.ShaderGenerics, shaderClassSource.GenericArguments);
var identifierGenerics = GenerateIdentifierFromGenerics(genericAssociation);
var expressionGenerics = GenerateGenericsExpressionValues(shaderClassType.ShaderGenerics, shaderClassSource.GenericArguments);
ParadoxClassInstantiator.Instantiate(shaderClassType, expressionGenerics, identifierGenerics, autoGenericInstances, log);
shaderClassType.ShaderGenerics.Clear();
shaderClassType.IsInstanciated = true;
}
return(shaderClassType);
}
public static void Instantiate(ShaderClassType classType, Dictionary <string, Expression> expressions, Dictionary <string, Identifier> identifiers, bool autoGenericInstances, LoggerResult log)
{
var instantiator = new ParadoxClassInstantiator(classType, expressions, identifiers, autoGenericInstances, log);
instantiator.Run();
}
public static void Instantiate(ShaderClassType classType, Dictionary<string, Expression> expressions, Dictionary<string, Identifier> identifiers, bool autoGenericInstances, LoggerResult log)
{
var instantiator = new ParadoxClassInstantiator(classType, expressions, identifiers, autoGenericInstances, log);
instantiator.Run();
}