void GenerateBinding(GenerateTypeInfo typeInfo, Analyze.Binding binding)
{
if (binding.Expression != null)
{
Analyze.Expressions.Literal literal;
// literal -> static field
if ((literal = binding.Expression as Analyze.Expressions.Literal) != null)
{
GenerateLiteralBinding(typeInfo, binding, literal);
}
}
}
void GenerateLiteralBinding(GenerateTypeInfo typeInfo, Analyze.Binding binding, Analyze.Expressions.Literal literal)
{
if (literal.ResolvedType == null)
{
Unit.AddError(new GeneratorError
{
Message = string.Format(ErrorMessages.E_0017_Generator_UnresolvedType, ApteridError.Truncate(literal.SyntaxNode.Text)),
ErrorNode = literal.SyntaxNode
});
return;
}
var atts = FieldAttributes.Static | FieldAttributes.InitOnly;
atts |= binding.IsPublic ? FieldAttributes.Public : FieldAttributes.Private;
var field = typeInfo.TypeBuilder.DefineField(binding.Name.Name, literal.ResolvedType.CLRType, atts);
typeInfo.Bindings.Add(literal, field);
if (literal.Value == null)
{
if (field.FieldType.IsValueType)
{
field.SetConstant(Activator.CreateInstance(field.FieldType));
}
else
{
field.SetConstant(null);
}
}
else
{
typeInfo.StaticFieldsToInit.Add(new FieldInitInfo
{
Node = binding.SyntaxNode,
Field = field,
GenLoad = il => GenerateLoadLiteral(il, literal, field.FieldType)
});
}
}