/// <summary>
/// Defines a feature on which the calling <see cref="CompilationEditor"/> is dependant.
/// </summary>
public static void DefineFeatureDependency(this CompilationEditor editor, string feature, string value = "True")
{
IDictionary <string, string> GetDefaultValue()
{
editor.GetRecomputationPipeline().Add(next =>
{
return(opts =>
{
if (editor.SharedStorage.TryGet(Key, out IDictionary <string, string> features))
{
opts = opts.WithFeatures(opts.Features.Concat(features));
}
return next(opts);
});
});
return(new Dictionary <string, string>());
}
editor.SharedStorage.GetOrAdd(Key, GetDefaultValue)[feature] = value;
}
/// <summary>
/// Defines a constant to be used as a preprocessor symbol name when parsing syntax trees.
/// </summary>
public static void DefineConstant(this CompilationEditor editor, string constant)
{
IList <string> GetDefaultValue()
{
editor.GetRecomputationPipeline().Add(next =>
{
return(opts =>
{
if (editor.SharedStorage.TryGet(Key, out IList <string> preprocessorSymbolNames))
{
opts = opts.WithPreprocessorSymbols(opts.PreprocessorSymbolNames.Concat(preprocessorSymbolNames));
}
return next(opts);
});
});
return(new LightList <string>());
}
editor.SharedStorage.GetOrAdd(Key, GetDefaultValue).Add(constant);
}
/// <summary>
/// Returns a copy of the given <see cref="SyntaxTree"/>, with its options compatible
/// with Cometary's required options.
/// </summary>
public static SyntaxTree WithCometaryOptions(this CSharpSyntaxTree syntaxTree, CompilationEditor editor)
{
return(syntaxTree.WithOptions(editor.GetRecomputationPipeline().MakeDelegate(opts => opts)(syntaxTree.Options)));
}