public override ExpressionSyntax GetCachedValue(string key, ExpressionSyntax value, TypeHandle modelReturnType, params IdentifierNameSyntax[] attributes)
{
key = key.Replace(".", "_");
if (m_Constants.TryGetValue(key, out var node))
{
return(node);
}
string variableName = MakeUniqueName(key);
var fieldDeclarationSyntax = RoslynBuilder.DeclareField(
modelReturnType.Resolve(IterationContext.Stencil),
variableName, AccessibilityFlags.Public);
if (attributes.Any())
{
fieldDeclarationSyntax = fieldDeclarationSyntax.AddAttributeLists(AttributeList(SeparatedList(attributes.Select(Attribute))));
}
m_MemberDeclarations.Add(fieldDeclarationSyntax);
IdentifierNameSyntax variable = IdentifierName(variableName);
m_JobInitializers.Add(AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
variable,
value
));
m_Constants.Add(key, variable);
return(variable);
}
IEnumerable <MemberDeclarationSyntax> BuildComponentMembers(RoslynTranslator translator)
{
var states = new List <SwitchSectionSyntax>();
var variables = new Dictionary <string, FieldDeclarationSyntax>();
var stateIndex = 0;
// Add members (MoveNext + variables) from coroutine nodes in stack
var stack = Parent.IterationContext.Query;
BuildStack(translator, stack, ref variables, ref states, ref stateIndex);
// Fields
var members = new List <MemberDeclarationSyntax>
{
RoslynBuilder.DeclareField(
typeof(int),
RoslynEcsBuilder.CoroutineStateVariableName,
AccessibilityFlags.Private)
};
members.AddRange(variables.Values);
// Parameters + Arguments
foreach (var component in m_AccessedComponents)
{
var componentName = GetComponentVariableName(IterationContext.Query, component);
var componentType = component.Resolve(IterationContext.Stencil);
m_Parameters.Add(
Argument(IdentifierName(componentName))
.WithRefOrOutKeyword(Token(SyntaxKind.RefKeyword)),
Parameter(Identifier(componentName))
.WithModifiers(TokenList(Token(SyntaxKind.RefKeyword)))
.WithType(TypeSystem.BuildTypeSyntax(componentType)));
}
foreach (var localVariable in IterationContext.Query.FunctionVariableModels)
{
m_Parameters.Add(
Argument(IdentifierName(localVariable.Name)),
Parameter(Identifier(localVariable.Name))
.WithType(TypeSystem.BuildTypeSyntax(localVariable.DataType.Resolve(IterationContext.Stencil))));
}
// Create MoveNext method
members.Add(
RoslynBuilder.DeclareMethod(k_MoveNext, AccessibilityFlags.Public, typeof(bool))
.WithParameterList(
ParameterList(SeparatedList(m_Parameters.Values)))
.WithBody(
Block(
SwitchStatement(IdentifierName(RoslynEcsBuilder.CoroutineStateVariableName))
.WithOpenParenToken(Token(SyntaxKind.OpenParenToken))
.WithCloseParenToken(Token(SyntaxKind.CloseParenToken))
.WithSections(List(states)),
ReturnStatement(
LiteralExpression(SyntaxKind.FalseLiteralExpression)))));
return(members);
}
public override ExpressionSyntax GetOrDeclareCommandBuffer(bool isConcurrent)
{
if (m_CommandBuffers.TryGetValue(isConcurrent, out var syntaxName))
{
return(syntaxName);
}
var commandBufferName = isConcurrent ? "ConcurrentCommandBuffer" : "CommandBuffer";
var commentBufferType = isConcurrent ? typeof(EntityCommandBuffer.Concurrent) : typeof(EntityCommandBuffer);
syntaxName = IdentifierName(commandBufferName);
m_CommandBuffers.Add(isConcurrent, syntaxName);
var field = RoslynBuilder.DeclareField(
commentBufferType,
commandBufferName,
AccessibilityFlags.Public);
m_MemberDeclarations.Add(field);
var assignment = AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(commandBufferName),
Parent.GetOrDeclareCommandBuffer(isConcurrent));
m_JobInitializers.Add(assignment);
return(syntaxName);
}
public override string GetOrDeclareComponentArray(RoslynEcsTranslator.IterationContext ctx, ComponentDefinition componentDefinition, out LocalDeclarationStatementSyntax arrayInitialization, out StatementSyntax arrayDisposal)
{
arrayInitialization = null;
arrayDisposal = null;
if (m_DeclaredComponentArray.TryGetValue(componentDefinition, out var arrayName))
{
return(arrayName);
}
Type componentType = componentDefinition.TypeHandle.Resolve(ctx.Stencil);
Type arrayType = typeof(NativeArray <>).MakeGenericType(componentType);
arrayName = ctx.GetComponentDataArrayName(componentType);
m_DeclaredComponentArray.Add(componentDefinition, arrayName);
FieldDeclarationSyntax field = RoslynBuilder.DeclareField(arrayType, arrayName, AccessibilityFlags.Public);
m_MemberDeclarations.Add(AddAttribute(field, nameof(DeallocateOnJobCompletionAttribute)));
m_JobInitializers.Add(AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(arrayName),
RootContext.MakeInitComponentDataArrayExpression(ctx, componentType)
));
return(ctx.GetComponentDataArrayName(componentType));
}
protected override StatementSyntax GetOrDeclareEntityArray(RoslynEcsTranslator.IterationContext iterationContext, out StatementSyntax arrayDisposal)
{
m_MemberDeclarations.Insert(0, AddAttribute(
RoslynBuilder.DeclareField(
typeof(NativeArray <Entity>),
iterationContext.EntitiesArrayName,
AccessibilityFlags.Public),
nameof(DeallocateOnJobCompletionAttribute),
nameof(NativeDisableParallelForRestrictionAttribute)));
m_JobInitializers.Add(AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(iterationContext.EntitiesArrayName),
ForEachContext.MakeInitEntityArray(iterationContext)));
arrayDisposal = null;
return(null); // nothing to declare in context
}
protected IEnumerable <MemberDeclarationSyntax> BuildComponentMembers()
{
// Fields
var members = new List <MemberDeclarationSyntax>
{
RoslynBuilder.DeclareField(
typeof(int),
k_CoroutineStateVariableName,
AccessibilityFlags.Public)
};
members.AddRange(m_ComponentVariables.Values);
foreach (var component in m_AccessedComponents)
{
var componentName = GetComponentVariableName(IterationContext.Query, component);
var componentType = component.Resolve(IterationContext.Stencil);
m_Parameters.Add(
Argument(IdentifierName(componentName))
.WithRefOrOutKeyword(Token(SyntaxKind.RefKeyword)),
Parameter(Identifier(componentName))
.WithModifiers(TokenList(Token(SyntaxKind.RefKeyword)))
.WithType(TypeSystem.BuildTypeSyntax(componentType)));
}
foreach (var localVariable in IterationContext.Query.FunctionVariableModels)
{
m_Parameters.Add(
Argument(IdentifierName(localVariable.Name)),
Parameter(Identifier(localVariable.Name))
.WithType(TypeSystem.BuildTypeSyntax(localVariable.DataType.Resolve(IterationContext.Stencil))));
}
if ((TranslationOptions & RoslynEcsTranslator.TranslationOptions.Tracing) != 0)
{
m_Parameters.Add(
Argument(GetRecorderName())
.WithRefOrOutKeyword(Token(SyntaxKind.RefKeyword)),
Parameter(GetRecorderName().Identifier)
.WithModifiers(SyntaxTokenList.Create(Token(SyntaxKind.RefKeyword)))
.WithType((IsJobContext ? typeof(GraphStream.Writer) : typeof(DebuggerTracer.EntityFrameTrace))
.ToTypeSyntax()));
}
return(members);
}
void DeclareAndInitField(Type t, string name, AccessibilityFlags accessibility = AccessibilityFlags.Private,
ExpressionSyntax initValue = null)
{
var entityGroup = RoslynBuilder
.DeclareField(t, name)
.WithModifiers(TokenList(RoslynBuilder.AccessibilityToSyntaxToken(accessibility)));
AddMember(entityGroup);
if (initValue == null)
{
return;
}
StatementSyntax init = ExpressionStatement(
AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
IdentifierName(name),
initValue))
.NormalizeWhitespace();
InitializationStatements.Add(init);
}
