public override Type OutputType(out CompiledFragment v)
{
v = this;
Type type = OfType();
// Map to functionality:
CompiledClass Class = null;
bool isDynamic = Types.IsDynamic(type);
// (Constant) binding flags:
BindingFlags flags = BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static;
if (Name == "length" && type.IsGenericType && !isDynamic)
{
// Does length actually exist as a field/ property?
Field = type.GetField(Name, flags);
if (Field == null)
{
Property = type.GetProperty(Name, flags);
if (Property == null)
{
// Assume we meant count instead:
Name = "Count";
}
}
}
if (isDynamic)
{
Class = Method.Script.GetClass(type);
}
else if (!Method.Script.AllowUse(type))
{
Error("Unable to access properties of type " + type + " as it has not been made accessible.");
}
if (isDynamic)
{
Field = Class.GetField(Name);
}
else
{
Field = type.GetField(Name, flags);
}
if (Field != null)
{
if (IsStatic && !Field.IsStatic)
{
Error("Property " + Name + " is not static. You must use an object reference to access it.");
}
return(Field.FieldType);
}
if (isDynamic)
{
Property = Class.GetProperty(Name);
}
else
{
Property = type.GetProperty(Name, flags);
}
if (Property != null)
{
if (IsStatic)
{
MethodInfo staticTest = Property.GetGetMethod();
if (staticTest == null)
{
staticTest = Property.GetSetMethod();
}
if (!staticTest.IsStatic)
{
Error("Property " + Name + " is not static. You must use an object reference to access it.");
}
}
return(Property.PropertyType);
}
if (isDynamic)
{
MethodReturnType = Class.MethodReturnType(Name);
}
else
{
MethodReturnType = Types.MethodReturnType(type, Name);
}
if (MethodReturnType != null)
{
if (Types.IsVoid(MethodReturnType))
{
MethodReturnType = typeof(Void);
}
return(DynamicMethodCompiler.TypeFor(MethodReturnType));
}
if (Of.GetType() == typeof(ThisOperation))
{
// This was the first property - it can potentially be a static type name too.
Type staticType = Method.Script.GetType(Name);
if (staticType != null)
{
// It's a static type! Generate a new type operation to replace this one and return the type.
v = new TypeOperation(Method, staticType);
return(v.OutputType(out v));
}
}
if (Name == "this")
{
// This is handled here as it allows variables called "This". Use case: PowerUI.
v = new ThisOperation(Method);
return(v.OutputType(out v));
}
// Does it support indexing? If so, Do Parent["property"] instead.
MethodOperation mOp = null;
if (Input0 != null)
{
// This is a set. Input0 is the object we're setting.
Type setType = Input0.OutputType(out Input0);
// Get the set method:
MethodInfo mInfo;
if (isDynamic)
{
mInfo = Class.FindMethodOverload("set_Item", new Type[] { typeof(string), setType });
}
else
{
// Grab all the methods of the type:
MethodInfo[] allMethods = type.GetMethods();
mInfo = Types.GetOverload(allMethods, "set_Item", new Type[] { typeof(string), setType });
}
if (mInfo == null)
{
// Try finding the extension method:
mInfo = FindExtensionMethod(type, "set");
if (mInfo == null)
{
// It doesn't exist!
// Error("Property '"+ToString()+"' is not a property or extension of "+type.ToString()+".");
// Create as a global:
Field = Method.Script.MainClass.DefineField(Name, true, setType);
return(setType);
}
// Extension property or method.
// -> We only know which based on MethodOperation later calling GetOverload.
// Or OutputSet/ OutputIL being called.
return(mInfo.ReturnType);
}
// It exists - create the method operation now.
mOp = new MethodOperation(Method, mInfo, new CompiledFragment(Name), Input0);
v = mOp;
mOp.CalledOn = Of;
return(setType);
}
else
{
// Get.
// Get the get method:
MethodInfo mInfo;
if (isDynamic)
{
mInfo = Class.FindMethodOverload("get_Item", new Type[] { typeof(string) });
}
else
{
// Grab all the methods of the type:
MethodInfo[] allMethods = type.GetMethods();
mInfo = Types.GetOverload(allMethods, "get_Item", new Type[] { typeof(string) });
}
if (mInfo == null)
{
// Try finding the extension method:
mInfo = FindExtensionMethod(type, "get");
if (mInfo == null)
{
// It doesn't exist!
// Error("Property '"+ToString()+"' is not a property or extension of "+type.ToString()+".");
// Create as a global:
Field = Method.Script.MainClass.DefineField(Name, true, typeof(object));
return(typeof(object));
}
// Extension property or method.
// -> We only know which based on MethodOperation later calling GetOverload.
// Or OutputSet/ OutputIL being called.
return(mInfo.ReturnType);
}
// It exists - create the method operation now:
mOp = new MethodOperation(Method, mInfo, new CompiledFragment(Name));
v = mOp;
mOp.CalledOn = Of;
return(mInfo.ReturnType);
}
}
public override Type OutputType(out CompiledFragment v){
v=this;
Type type=OfType();
// Map to functionality:
CompiledClass Class=null;
bool isDynamic=Types.IsDynamic(type);
if(!isDynamic){
if(!Method.Script.AllowUse(type)){
Error("Unable to access properties of type "+type+" as it has not been made accessible.");
}
}else{
Class=Method.Script.GetClass(type);
}
if(isDynamic){
Field=Class.GetField(Name);
}else{
Field=type.GetField(Name,BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
}
if(Field!=null){
if(IsStatic&&!Field.IsStatic){
Error("Property "+Name+" is not static. You must use an object reference to access it.");
}
return Field.FieldType;
}
if(isDynamic){
Property=Class.GetProperty(Name);
}else{
Property=type.GetProperty(Name,BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static);
}
if(Property!=null){
if(IsStatic){
MethodInfo staticTest=Property.GetGetMethod();
if(staticTest==null){
staticTest=Property.GetSetMethod();
}
if(!staticTest.IsStatic){
Error("Property "+Name+" is not static. You must use an object reference to access it.");
}
}
return Property.PropertyType;
}
if(isDynamic){
MethodReturnType=Class.MethodReturnType(Name);
}else{
MethodReturnType=Types.MethodReturnType(type,Name);
}
if(MethodReturnType!=null){
if(Types.IsVoid(MethodReturnType)){
MethodReturnType=typeof(Void);
}
return DynamicMethodCompiler.TypeFor(MethodReturnType);
}
if(Of.GetType()==typeof(ThisOperation)){
// This was the first property - it can potentially be a static type name too.
Type staticType=Method.Script.GetType(Name);
if(staticType!=null){
// It's a static type! Generate a new type operation to replace this one and return the type.
v=new TypeOperation(Method,staticType);
return v.OutputType(out v);
}
}
if(Name=="this"){
// This is handled here as it allows variables called "This". Use case: PowerUI.
v=new ThisOperation(Method);
return v.OutputType(out v);
}
// Does it support indexing? If so, Do Parent["property"] instead.
MethodOperation mOp=null;
if(Input0!=null){
// This is a set. Input0 is the object we're setting.
Type setType=Input0.OutputType(out Input0);
// Get the set method:
MethodInfo mInfo;
if(isDynamic){
mInfo=Class.FindMethodOverload("set_Item",new Type[]{typeof(string),setType});
}else{
// Grab all the methods of the type:
MethodInfo[] allMethods=type.GetMethods();
mInfo=Types.GetOverload(allMethods,"set_Item",new Type[]{typeof(string),setType});
}
if(mInfo==null){
// It doesn't exist!
Error("Property '"+ToString()+"' is not a property of "+type.ToString()+".");
}
// It exists - create the method operation now.
mOp=new MethodOperation(Method,mInfo,new CompiledFragment(Name),Input0);
v=mOp;
mOp.CalledOn=Of;
return setType;
}else{
// Get.
// Get the get method:
MethodInfo mInfo;
if(isDynamic){
mInfo=Class.FindMethodOverload("get_Item",new Type[]{typeof(string)});
}else{
// Grab all the methods of the type:
MethodInfo[] allMethods=type.GetMethods();
mInfo=Types.GetOverload(allMethods,"get_Item",new Type[]{typeof(string)});
}
if(mInfo==null){
// It doesn't exist!
Error("'"+ToString()+"' is not a property of "+type.ToString()+".");
}
// It exists - create the method operation now:
mOp=new MethodOperation(Method,mInfo,new CompiledFragment(Name));
v=mOp;
mOp.CalledOn=Of;
return mInfo.ReturnType;
}
}
