protected bool PerformTransformation(
Method.Builder builder,
Rewriter <TypeLowering <TType> > rewriter)
{
var typeConverter = CreateLoweringConverter(builder);
// Use a static rewriter phase
bool canRewriteBody = rewriter.TryBeginRewrite(
builder.Method.Blocks,
builder,
typeConverter,
out var rewriting);
// Update return type
if (typeConverter.IsTypeDependent(builder.Method.ReturnType))
{
builder.UpdateReturnType(typeConverter);
}
// Update parameter types
builder.UpdateParameterTypes(typeConverter);
// Apply the lowering logic
return(canRewriteBody && rewriting.Rewrite());
}
/// <summary>
/// Updates all return types of all affected methods.
/// </summary>
/// <param name="builder">The current builder.</param>
protected sealed override void PrePerformTransformation(Method.Builder builder)
{
var typeConverter = CreateLoweringConverter(builder);
// Update return type
if (typeConverter.IsTypeDependent(builder.Method.ReturnType))
{
builder.UpdateReturnType(typeConverter);
}
}