private void AddInteropConstructor(CodeGenContext context)
{
List<Param> args = new List<Param>();
if (formals.arity < 0)
{
Param param = new Param(ParamAttr.Default, "args", new PERWAPI.ZeroBasedArray(PERWAPI.PrimitiveType.Object));
param.AddCustomAttribute(Runtime.ParamArrayAttribute.ctor, new byte[0]);
args.Add(param);
}
else
for (int i = 1; i <= this.formals.arity; i++)
args.Add(new Param(ParamAttr.Default, "p" + i, PrimitiveType.Object));
// public .ctor(...) {
try
{
// remove existing zero-arg constructor if it exists
if (formals.arity == 0 && CLASS_OR_MODULE.CurrentInteropClass().GetMethodDesc(".ctor", new Type[0]) != null)
CLASS_OR_MODULE.CurrentInteropClass().RemoveMethod(".ctor", new Type[0]);
CodeGenContext method = context.CreateConstructor(CLASS_OR_MODULE.CurrentInteropClass(), args.ToArray());
method.startMethod(this.location);
// call base class constructor
PERWAPI.Method superClassConstructor0 = null;
PERWAPI.Method superClassConstructor1 = null;
PERWAPI.Class superClass = null;
ClassSkeleton superClassSkeleton = context.currentSkeleton.FindClass(CLASS_OR_MODULE.CurrentInteropClass().SuperType.Name());
if (superClassSkeleton != null)
{
superClass = superClassSkeleton.perwapiClass;
superClassConstructor0 = superClass.GetMethodDesc(".ctor", new Type[0]);
if (superClassConstructor0 is MethodDef)
superClassConstructor0 = ((MethodDef)superClassConstructor0).MakeRefOf();
superClassConstructor1 = superClass.GetMethodDesc(".ctor", new Type[] { Runtime.ClassRef });
if (superClassConstructor1 is MethodDef)
superClassConstructor1 = ((MethodDef)superClassConstructor1).MakeRefOf();
}
if (superClassConstructor1 != null)
{
method.ldarg(0);
method.ldsfld(((CLASS_OR_MODULE)this.parent_scope).singletonField);
method.call(superClassConstructor1);
}
else if (superClassConstructor0 != null)
{
method.ldarg(0);
method.call(superClassConstructor0);
}
// return Eval.CallPrivateN(recv, null, "methodId", null, ...);
method.ldarg(0);
method.ldnull();
method.ldstr(method_id);
method.ldnull();
if (formals.arity < 0)
{
method.ldarg(1);
method.call(Runtime.Eval.Call("Private"));
}
else
{
for (int i = 1; i <= args.Count; i++)
method.ldarg(i);
method.call(Runtime.Eval.Call("Private", args.Count));
}
method.pop();
method.ret();
method.Close();
}
catch (PERWAPI.DescriptorException)
{
}
}
/// <summary>
/// Add a method to this class
/// </summary>
/// <param name="mAtts">attributes for this method</param>
/// <param name="iAtts">implementation attributes for this method</param>
/// <param name="name">method name</param>
/// <param name="genPars">generic parameters</param>
/// <param name="retType">return type</param>
/// <param name="pars">parameters</param>
/// <returns>a descriptor for this new method</returns>
public MethodDef AddMethod(MethAttr mAtts, ImplAttr iAtts, string name,
GenericParam[] genPars, Type retType, Param[] pars)
{
MethodDef meth = AddMethod(name,genPars,retType,pars);
meth.AddMethAttribute(mAtts);
meth.AddImplAttribute(iAtts);
return meth;
}
private void AddInteropMethod(CodeGenContext context)
{
List<Param> args = new List<Param>();
if (formals.arity < 0)
{
Param param = new Param(ParamAttr.Default, "args", new PERWAPI.ZeroBasedArray(PERWAPI.PrimitiveType.Object));
param.AddCustomAttribute(Runtime.ParamArrayAttribute.ctor, new byte[0]);
args.Add(param);
}
else
for (int i = 1; i <= this.formals.arity; i++)
args.Add(new Param(ParamAttr.Default, "p" + i, PrimitiveType.Object));
// public object method_id(...) {
try
{
CodeGenContext method = context.CreateMethod(CLASS_OR_MODULE.CurrentInteropClass(), MethAttr.PublicVirtual, Translate(this.method_id), PERWAPI.PrimitiveType.Object, args.ToArray());
method.startMethod(this.location);
// return Eval.Calln(this, "method_id", ...);
method.ldarg(0);
method.ldstr(method_id);
if (formals.arity < 0)
{
method.ldarg(1);
method.call(Runtime.Eval.Calln);
}
else
{
for (int i = 1; i <= args.Count; i++)
method.ldarg(i);
method.call(Runtime.Eval.Call(args.Count));
}
method.ret();
method.Close();
}
catch (PERWAPI.DescriptorException e)
{
Compiler.LogWarning(e.Message);
}
}
/// <summary>
/// Add a method to this class
/// </summary>
/// <param name="name">method name</param>
/// <param name="retType">return type</param>
/// <param name="pars">parameters</param>
/// <returns>a descriptor for this new method</returns>
public MethodDef AddMethod(string name, Type retType, Param[] pars)
{
System.Diagnostics.Debug.Assert(retType != null);
MethSig mSig = new MethSig(name);
mSig.SetParTypes(pars);
MethodDef meth = (MethodDef)GetMethod(mSig);
if (meth != null)
throw new DescriptorException("Method " + meth.NameString());
mSig.retType = retType;
meth = new MethodDef(this,mSig,pars);
methods.Add(meth);
return meth;
}
/// <summary>
/// Add a method to this class
/// </summary>
/// <param name="name">method name</param>
/// <param name="genPars">generic parameters</param>
/// <param name="retType">return type</param>
/// <param name="pars">parameters</param>
/// <returns>a descriptor for this new method</returns>
public MethodDef AddMethod(string name, GenericParam[] genPars, Type retType, Param[] pars)
{
MethodDef meth = AddMethod(name,retType,pars);
if ((genPars != null) && (genPars.Length > 0)) {
for (int i=0; i < genPars.Length; i++) {
genPars[i].SetMethParam(meth,i);
}
meth.SetGenericParams(genPars);
}
return meth;
}
/// <summary>
/// Add a "global" method to this module
/// </summary>
/// <param name="mAtts">method attributes</param>
/// <param name="iAtts">method implementation attributes</param>
/// <param name="name">method name</param>
/// <param name="genPars">generic parameters</param>
/// <param name="retType">return type</param>
/// <param name="pars">method parameters</param>
/// <returns>a descriptor for this new "global" method</returns>
public MethodDef AddMethod(MethAttr mAtts, ImplAttr iAtts, string name, GenericParam[] genPars, Type retType, Param[] pars)
{
MethodDef newMeth = defaultClass.AddMethod(mAtts,iAtts,name,genPars,retType,pars);
return newMeth;
}
internal static void Read(PEReader buff, TableRow[] pars)
{
for (int i=0; i < pars.Length; i++)
pars[i] = new Param(buff);
}
internal void SetParTypes(Param[] parList)
{
if (parList == null) { numPars = 0; return; }
numPars = (uint)parList.Length;
parTypes = new Type[numPars];
for (int i=0; i < numPars; i++) {
parTypes[i] = parList[i].GetParType();
}
}
/// <summary>
/// Add a "global" method to this module
/// </summary>
/// <param name="name">method name</param>
/// <param name="genPars">generic parameters</param>
/// <param name="retType">return type</param>
/// <param name="pars">method parameters</param>
/// <returns>a descriptor for this new "global" method</returns>
public MethodDef AddMethod(string name, GenericParam[] genPars, Type retType, Param[] pars)
{
MethodDef newMeth = defaultClass.AddMethod(name,genPars,retType,pars);
return newMeth;
}
/// <summary>
/// Set the parameters for this method
/// </summary>
/// <param name="pars">Descriptors of the parameters for this method</param>
public void SetParams(Param[] pars)
{
parList = pars;
sig.SetParTypes(pars);
}
internal MethodDef(ClassSpec paren, MethSig mSig, Param[] pars)
: base(mSig.name)
{
parent = paren;
parList = pars;
sig = mSig;
tabIx = MDTable.Method;
}
/*-------------------- Constructors ---------------------------------*/
internal MethodDef(string name, Type retType, Param[] pars, ClassDef paren)
: base(name,retType,paren)
{
sig.SetParTypes(pars);
parList = pars;
parent = paren;
tabIx = MDTable.Method;
}
/// <summary>
/// Find the Method for this method on the given type.
/// </summary>
internal Method findMethod(string qname, string methodName, string[] paramTypes, string returnType)
{
string key = getMethodKey(qname, methodName, paramTypes);
Method method = (Method)methods[key];
if (method == null)
{
// this stuff should be the same for both cases
PERWAPI.Type rtype = findType(returnType);
PERWAPI.Type[] pars = new PERWAPI.Type[paramTypes.Length];
for (int i=0; i<paramTypes.Length; i++)
pars[i] = findType(paramTypes[i]);
// check for stubs
object obj = findType(qname);
if (obj is ClassDef)
{
// class is an internal stub, so we need to stub this
// method out too, which should get flushed out later
ClassDef cdef = obj as ClassDef;
// TODO - need to fix attrs
Param[] mpars = new Param[pars.Length];
for (int i=0; i<mpars.Length; i++)
mpars[i] = new Param(ParamAttr.Default, "v"+i, pars[i]);
// TODO - fix param names
// Use Public here for stub - real MethAttr will be set
// when method is flushed out
method = cdef.AddMethod(MethAttr.Public, ImplAttr.IL, methodName, rtype, mpars);
}
else if (obj is ClassRef)
{
// class is external, just get or add ref
ClassRef cref = obj as ClassRef;
method = cref.GetMethod(methodName, pars, new PERWAPI.Type[0]);
if (method == null) method = cref.AddMethod(methodName, rtype, pars);
}
else throw new System.Exception("Don't know how to handle: " + obj.GetType());
// make sure we add method to hashtable
methods[key] = method;
}
return method;
}
/// <summary>
/// Define a new method to emit for the current class.
/// </summary>
public CILInstructions emitMethod(
string name, string retType, string[] paramNames, string[] paramTypes,
MethAttr attr, string[] localNames, string[] localTypes)
{
Param[] pars = new Param[paramNames.Length];
for (int i=0; i<pars.Length; i++)
pars[i] = new Param(ParamAttr.Default, paramNames[i], findType(paramTypes[i]));
// first check if this method was already stubbed out
methodDef = (MethodDef)methods[getMethodKey(className, name, paramTypes)];
if (methodDef == null)
{
// if not, we need to create it
methodDef = classDef.AddMethod(attr, ImplAttr.IL, name, findType(retType), pars);
}
else
{
// if stubbed out, make sure we define the method correctly
methodDef.SetMethAttributes(attr);
}
if ((attr & MethAttr.Static) != MethAttr.Static)
methodDef.AddCallConv(CallConv.Instance);
if (localNames.Length > 0)
{
Local[] locals = new Local[localNames.Length];
for (int i=0; i<locals.Length; i++)
locals[i] = new Local(localNames[i], findType(localTypes[i]));
methodDef.AddLocals(locals, true);
}
// TODO - what the f**k should this be?
methodDef.SetMaxStack(16 + pars.Length + localNames.Length);
// add to lookup table
addToMethodMap(className, name, paramTypes, methodDef);
// don't create code buffer if abstract
if ((attr & MethAttr.Abstract) == MethAttr.Abstract)
return null;
return methodDef.CreateCodeBuffer();
}
