internal AbcMethod DefineMethod(Sig sig, AbcCoder coder, Action <AbcMethod> complete)
{
if (sig == null)
{
throw new ArgumentNullException("sig");
}
if (!sig.IsInitilizer && sig.Name == null)
{
throw new InvalidOperationException();
}
var klass = Class;
if (klass == null)
{
throw new InvalidOperationException(string.Format("Class is not defined yet for Instance {0}", FullName));
}
AbcMultiname traitName = null;
AbcTrait trait;
bool isStatic = (sig.Semantics & MethodSemantics.Static) != 0;
var traits = isStatic ? klass.Traits : Traits;
if (sig.IsInitilizer)
{
if (Initializer != null)
{
throw new InvalidOperationException();
}
}
else
{
traitName = Abc.DefineName(sig.Name);
trait = traits.Find(traitName, sig.Kind);
if (trait != null)
{
return(trait.Method);
}
}
var method = new AbcMethod
{
Method = sig.Source
};
var generator = Abc.Generator;
if (sig.Source != null)
{
generator.SetData(sig.Source, method);
}
AbcMethodBody body = null;
if (sig.IsAbstract)
{
if (coder != null)
{
throw new InvalidOperationException();
}
}
else
{
body = new AbcMethodBody(method);
}
Abc.AddMethod(method);
if (sig.IsInitilizer)
{
Initializer = method;
}
else
{
//for non initializer method we must define trait and return type
method.ReturnType = BuildReturnType(sig.ReturnType, method);
trait = AbcTrait.CreateMethod(method, traitName);
trait.Kind = sig.Kind;
if (!isStatic)
{
trait.IsVirtual = (sig.Semantics & MethodSemantics.Virtual) != 0;
trait.IsOverride = (sig.Semantics & MethodSemantics.Override) != 0;
}
traits.Add(trait);
}
if (sig.Args != null)
{
if (sig.Args.Length == 1 && sig.Args[0] is IMethod)
{
var m = (IMethod)sig.Args[0];
if (generator == null)
{
throw new InvalidOperationException();
}
generator.MethodBuilder.BuildParameters(method, m);
}
else
{
Abc.AddParameters(method.Parameters, sig.Args);
}
}
if (body != null && coder != null)
{
var code = new AbcCode(Abc);
coder(code);
body.Finish(code);
}
if (complete != null)
{
complete(method);
}
return(method);
}
private AbcMethod BuildCtorImpl(IMethod method, AbcInstance instance)
{
if (!method.IsConstructor)
{
return(null);
}
if (method.IsStatic)
{
return(null);
}
var type = method.DeclaringType;
if (!type.IsArray)
{
return(null);
}
var ctor = new AbcMethod
{
ReturnType = Abc.BuiltinTypes.Void
};
_generator.MethodBuilder.BuildParameters(ctor, method);
string name1 = "arrctor_" + type.GetSigName();
var name = Abc.DefineName(QName.Global(name1));
var trait = AbcTrait.CreateMethod(ctor, name);
instance.Traits.Add(trait);
var body = new AbcMethodBody(ctor);
Abc.AddMethod(ctor);
var code = new AbcCode(Abc);
code.PushThisScope();
code.ConstructSuper();
//check arguments
int n = method.Parameters.Count;
for (int i = 0; i < n; ++i)
{
code.GetLocal(i + 1);
code.PushInt(0);
var br = code.If(BranchOperator.GreaterThanOrEqual);
var exceptionType = _generator.Corlib.GetType(CorlibTypeId.ArgumentOutOfRangeException);
code.ThrowException(exceptionType);
br.BranchTarget = code.Label();
}
//m_rank = n
code.LoadThis();
code.PushInt(n);
code.SetProperty(Const.Array.Rank);
int varSize = n + 1;
for (int i = 0; i < n; ++i)
{
code.GetLocal(i + 1);
}
for (int i = 1; i < n; ++i)
{
code.Add(InstructionCode.Multiply_i);
}
code.SetLocal(varSize);
//init m_value
code.LoadThis();
code.CreateArrayVarSize(varSize);
code.SetProperty(Const.Array.Value);
//init m_lengths
code.LoadThis();
for (int i = 0; i < n; ++i)
{
code.GetLocal(i + 1);
}
code.Add(InstructionCode.Newarray, n);
code.SetProperty(Const.Array.Lengths);
int varDimArr = varSize + 1;
//init m_dims
code.CreateArray(n - 1);
code.SetLocal(varDimArr);
//1, n, n * (n-1), ..., n * (n-1) * ... * n0
for (int i = n - 2; i >= 0; --i)
{
int leni = i + 2;
code.GetLocal(varDimArr);
code.PushInt(i);
if (i != n - 2)
{
code.GetLocal(varDimArr);
code.PushInt(i + 1);
code.GetNativeArrayItem();
code.CoerceInt32(); //prev
code.GetLocal(leni);
code.Add(InstructionCode.Multiply_i); //prev * leni
}
else
{
code.GetLocal(leni);
}
code.SetNativeArrayItem();
}
code.LoadThis();
code.GetLocal(varDimArr);
code.SetProperty(Const.Array.Dims);
var elemType = type.GetElementType();
InitFields(code, type, elemType, 0);
if (InternalTypeExtensions.IsInitArray(elemType))
{
code.InitArray(elemType,
() =>
{
code.LoadThis();
code.GetProperty(Const.Array.Value);
}, varSize);
}
code.ReturnVoid();
body.Finish(code);
return(ctor);
}
