public FunctionsTable(IMetaDataProvider metaDataProvider)
{
this.meta_data_provider = metaDataProvider;
this.locals = new Dictionary <Local, Wrapper <Local> > ();
this.parameters = new Dictionary <Parameter, Wrapper <Parameter> > ();
this.fields = new Dictionary <Field, Wrapper <Field> > ();
this.pseudo_fields = new Dictionary <Method, Wrapper <Method> > ();
this.temp = new Dictionary <int, Wrapper <int> > ();
this.strings = new Dictionary <string, Wrapper <string> > ();
this.program_constants = new Dictionary <object, Wrapper <object> > ();
this.method_pointers = new Dictionary <Method, Wrapper <Method> > ();
this.binary_operators = new Dictionary <BinaryOperator, Wrapper <BinaryOperator> > ();
this.unary_operators = new Dictionary <UnaryOperator, Wrapper <UnaryOperator> > ();
this.ValueOf = For("$Value");
this.OldValueOf = For("$OldValue");
this.StructId = For("$StructId");
this.ObjectVersion = For("$ObjectVersion");
this.NullValue = For("$Null");
this.ElementAddress = For("$ElementAddress");
this.Length = For("$Length");
this.VoidAddr = For("$VoidAddr");
this.UnaryNot = For("$UnaryNot");
this.NeZero = For("$NeZero");
this.BoxOperator = For("$Box");
this.ResultOfCall = For("$ResultOfCall");
this.ResultOfLoadElement = For("$ResultOfLoadElement");
this.ZeroValue = ForConstant(0, this.meta_data_provider.System_Int32);
}
private Wrapper <T> For <T>(T key, Dictionary <T, Wrapper <T> > cache)
{
Wrapper <T> wrapper;
if (!cache.TryGetValue(key, out wrapper))
{
wrapper = SymFunction.For(key, ref this.id_gen, this.meta_data_provider);
cache.Add(key, wrapper);
}
return(wrapper);
}
public bool IsConstant(SymFunction c, out TypeNode type, out object value)
{
var wrapper = c as Wrapper <object>;
if (wrapper != null && this.program_constants.ContainsKey(wrapper.Item))
{
type = wrapper.Type;
value = wrapper.Item;
return(true);
}
type = null;
value = null;
return(false);
}
public bool IsConstantOrMethod(SymFunction constant)
{
var wrapper = constant as Wrapper <object>;
if (wrapper != null && this.program_constants.ContainsKey(wrapper.Item))
{
return(true);
}
var wrapper1 = constant as Wrapper <Method>;
if (wrapper1 != null && this.method_pointers.ContainsKey(wrapper1.Item))
{
return(true);
}
return(false);
}
