private IOperationResult Mutate(IMutator[] mutators, MutationParameters parameters)
{
var compositeResult = new CompositeOperationResult();
foreach (var mutator in mutators) {
var result = mutator.Mutate(parameters);
compositeResult.AddResult(result);
}
return compositeResult;
}
public OperationResult Morph(MutationParameters parameters)
{
parameters.Validate();
if (parameters.SourceType == null) throw new ArgumentException("parameters must contain a SourceType", "parameters");
var targetType = parameters.SourceType; // the source is also the target
var visitor = new MorphIntoInterfaceVisitor(parameters);
targetType.Accept(visitor);
return visitor.Result;
}
/// <summary>
/// Executes the given mutators.
/// </summary>
/// <param name="mutators">Mutators.</param>
/// <returns>The composite result of all mutators' mutations.</returns>
public IOperationResult Run(params IMutator[] mutators)
{
if (mutators == null || mutators.Length == 0) return null;
var context = new MutationContext(_sourceAssembly.MainModule);
var parameters = new MutationParameters {
Context = context,
SourceType = _sourceType
};
var result = Mutate(mutators, parameters);
context.Finalize(result);
return result;
}
public IOperationResult Mutate(MutationParameters parameters)
{
parameters.Validate();
var assembly = parameters.Assembly;
var result = new CompositeOperationResult();
assembly.MainModule.GetAllTypes(). // TODO: what about other modules?
Where(type => DoesRoles(type)).
// TODO: do we need a special order here? like base classes first?
ForEach(type => {
var singleResult = new RoleComposerMutator().ComposeRoles(
new MutationParameters {
SourceType = type,
Context = parameters.Context
});
result.AddResult(singleResult);
});
return result;
}
public IOperationResult Morph(MutationParameters parameters)
{
if (parameters.SourceType != null) return MorphType(parameters);
parameters.Validate();
var assembly = parameters.Assembly;
var result = new CompositeOperationResult();
assembly.MainModule.GetAllTypes().
Where(type => type.IsRole() && !type.IsRoleView()).
ForEach(role => {
var singleResult = MorphType(
new MutationParameters {
SourceType = role,
Context = parameters.Context
}
);
result.AddResult(singleResult);
});
return result;
}
public RoleComposerResult ComposeRoles(MutationParameters parameters)
{
parameters.Validate();
_targetType = parameters.SourceType;
if (_targetType == null) throw new ArgumentException("parameters must contain a SourceType", "parameters");
Tracer.TraceVerbose("Compose class: {0}", _targetType.ToString());
var result = new RoleComposerResult();
CheckComposition(result);
if (!result.Success) { return result; }
var roles = RetrieveRoles();
var conflictDetector = new ConflictDetector(_targetType);
{
var memberProcessResult = conflictDetector.Process(roles);
result.AddResult(memberProcessResult);
if (!memberProcessResult.Success) {
return result;
}
}
if (_targetType.IsRole()) {
// roles are not composed
return result;
}
{
_container = conflictDetector.Container;
var composeResult = ComposeRoles(roles);
result.AddResult(composeResult);
if (!composeResult.Success) {
return result;
}
}
return result;
}
public MorphIntoRoleResult MorphType(MutationParameters parameters)
{
parameters.Validate();
var roleType = parameters.SourceType;
if (roleType == null) throw new ArgumentException("parameters must include a SourceType", "parameters");
_parameters = parameters;
if (!roleType.IsRole()) {
throw new InvalidOperationException("Cannot morph class into role");
}
Tracer.TraceVerbose("Morph role: {0}", roleType);
var result = new MorphIntoRoleResult();
CheckRole(roleType, result);
if (!result.Success) { return result; }
PreProcessRole(roleType); // TODO: result?
if (!result.Success) { return result; }
var roleStateClass = ExtractRoleStateClass(roleType, result);
if (!result.Success) { return result; }
// TODO: Cecil bug! We need to touch the SemanticsAttributes in order for it to remain on the method!
roleType.Methods.Select(m => m.SemanticsAttributes).ToList();
var roleCodeClass = ExtractRoleCodeClass(roleType, result);
if (!result.Success) { return result; }
MorphRoleIntoInterface(roleType, result);
if (!result.Success) { return result; }
result.CodeType = roleCodeClass;
result.StateType = roleStateClass;
return result;
}
public IOperationResult Mutate(MutationParameters parameters)
{
parameters.Validate();
return Check(parameters);
}
public IOperationResult Check(MutationParameters parameters)
{
_roleType = parameters.SourceType;
return Check(parameters.Context);
}
IOperationResult IMutator.Mutate(MutationParameters parameters)
{
return Morph(parameters);
}
public IOperationResult Check(MutationParameters parameters)
{
return Check(parameters.Context);
}
IOperationResult IMutator.Mutate(MutationParameters parameters)
{
return ComposeRoles(parameters);
}
public MorphIntoInterfaceVisitor(MutationParameters parameters)
{
if (parameters == null) throw new ArgumentNullException("parameters");
if (parameters.SourceType == null) throw new ArgumentException("parameters must contain a SourceType", "parameters");
_parameters = parameters;
}