public void CheckStackLength(Type type)
{
IEnumerable<MethodInfo> methods = type.GetMethods()
.Where(x => x.GetMethodBody() != null)
.Where(x => x.DeclaringType == type);
foreach (var method in methods)
{
var graph = ControlFlowGraphFactory.BuildForMethod(method);
var walker = new ControlFlowGraphWalker<int>()
{
InitialState = 0,
VisitingBlock = (stack, block) => stack + block.StackDiff
};
try
{
var result = walker.WalkCore(method, graph);
Assert.That(result.Single(), Is.EqualTo(0), string.Format("Stack not 0 for method (static:{1}) {0}", method, method.IsStatic));
}
catch (Exception e)
{
Assert.Fail("Type: {0} Method:{1} {2}", method, method.DeclaringType, e);
}
}
}
public void Walk(MethodInfo method, ControlFlowGraph graph)
{
this.recorder = new CallParameterTypesRecorder();
this.recorder.Initialize(method);
var variables = method.GetMethodBody().LocalVariables.ToDictionary(x => x.LocalIndex, x => PotentialType.FromType(x.LocalType));
var parameters = method.GetParameters().ToDictionary(x => x.Position, x => PotentialType.FromType(x.ParameterType));
var initialState = new TypeAnalysisState(variables, parameters);
var walker = new ControlFlowGraphWalker<TypeAnalysisState>
{
InitialState = initialState,
VisitingBlock = (state, block) => this.recorder.Visit(state, block.Instructions)
};
walker.WalkCore(method, graph);
}