public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
if (_coll is IPersistentList)
ilg.EmitFieldGet(ListEmptyFI);
else if (_coll is IPersistentVector)
ilg.EmitFieldGet(VectorEmptyFI);
else if (_coll is IPersistentMap)
ilg.EmitFieldGet(HashMapEmptyFI);
else if (_coll is IPersistentSet)
ilg.EmitFieldGet(HashSetEmptyFI);
else
throw new InvalidOperationException("Unknown collection type.");
if (rhc == RHC.Statement)
ilg.Emit(OpCodes.Pop);
}
//static readonly FieldInfo VectorEmptyFI = typeof(PersistentVector).GetField("EMPTY");
public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
if (_coll is IPersistentList || _coll is LazySeq) // JVM does not include LazySeq test. I'm getting it in some places. LazySeq of 0 size got us here, we'll treat as an empty list
ilg.EmitFieldGet(ListEmptyFI);
else if (_coll is IPersistentVector)
ilg.EmitFieldGet(TupleEmptyFI);
else if (_coll is IPersistentMap)
ilg.EmitFieldGet(HashMapEmptyFI);
else if (_coll is IPersistentSet)
ilg.EmitFieldGet(HashSetEmptyFI);
else
throw new InvalidOperationException("Unknown collection type.");
if (rhc == RHC.Statement)
ilg.Emit(OpCodes.Pop);
}
private static FieldBuilder AddIProxyMethods(TypeBuilder proxyTB)
{
FieldBuilder fb = proxyTB.DefineField(
_methodMapFieldName,
typeof(IPersistentMap),
FieldAttributes.Private);
MethodBuilder initMb = proxyTB.DefineMethod(
"__initClojureFnMappings",
MethodAttributes.Public|MethodAttributes.Virtual|MethodAttributes.HideBySig,
typeof(void),
new Type[] { typeof(IPersistentMap) });
CljILGen gen = new CljILGen(initMb.GetILGenerator());
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0);
gen.EmitLoadArg(1); // gen.Emit(OpCodes.Ldarg_1);
gen.EmitFieldSet(fb); // gen.Emit(OpCodes.Stfld, fb);
gen.Emit(OpCodes.Ret);
MethodBuilder updateTB = proxyTB.DefineMethod(
"__updateClojureFnMappings",
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
typeof(void),
new Type[] { typeof(IPersistentMap) });
gen = new CljILGen(updateTB.GetILGenerator());
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Dup);
gen.EmitFieldGet(fb); // gen.Emit(OpCodes.Ldfld, fb);
gen.Emit(OpCodes.Castclass, typeof(IPersistentMap));
gen.EmitLoadArg(1); // gen.Emit(OpCodes.Ldarg_1);
gen.EmitCall(Method_IPersistentMap_Cons); //gen.Emit(OpCodes.Call, Method_IPersistentCollection_Cons);
gen.EmitFieldSet(fb); // gen.Emit(OpCodes.Stfld, fb);
gen.Emit(OpCodes.Ret);
MethodBuilder getMb = proxyTB.DefineMethod(
"__getClojureFnMappings",
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
typeof(IPersistentMap),
Type.EmptyTypes);
gen = new CljILGen(getMb.GetILGenerator());
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0);
gen.EmitFieldGet(fb); // gen.Emit(OpCodes.Ldfld, fb);
gen.Emit(OpCodes.Ret);
return fb;
}
static void EmitGetVar(CljILGen gen, FieldBuilder fb)
{
Label falseLabel = gen.DefineLabel();
Label endLabel = gen.DefineLabel();
gen.EmitFieldGet(fb); // gen.Emit(OpCodes.Ldsfld,fb);
gen.Emit(OpCodes.Dup);
gen.EmitCall(Method_Var_isBound); // gen.Emit(OpCodes.Call, Method_Var_IsBound);
gen.Emit(OpCodes.Brfalse_S,falseLabel);
gen.Emit(OpCodes.Call,Method_Var_get);
gen.Emit(OpCodes.Br_S,endLabel);
gen.MarkLabel(falseLabel);
gen.Emit(OpCodes.Pop);
gen.EmitNull(); // gen.Emit(OpCodes.Ldnull);
gen.MarkLabel(endLabel);
}
private static void EmitExposers(TypeBuilder proxyTB, Type superClass, IPersistentMap exposesFields)
{
for ( ISeq s = RT.seq(exposesFields); s != null; s = s.next() )
{
IMapEntry me = (IMapEntry)s.first();
Symbol protectedFieldSym = (Symbol)me.key();
IPersistentMap accessMap = (IPersistentMap)me.val();
string fieldName = protectedFieldSym.Name;
Symbol getterSym = (Symbol)accessMap.valAt(_getKw, null);
Symbol setterSym = (Symbol)accessMap.valAt(_setKW, null);
FieldInfo fld = null;
if ( getterSym != null || setterSym != null )
fld = superClass.GetField(fieldName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy | BindingFlags.Static | BindingFlags.Instance);
if (getterSym != null)
{
MethodAttributes attribs = MethodAttributes.Public;
if (fld.IsStatic)
attribs |= MethodAttributes.Static;
MethodBuilder mb = proxyTB.DefineMethod(getterSym.Name, attribs, fld.FieldType, Type.EmptyTypes);
CljILGen gen = new CljILGen(mb.GetILGenerator());
//if (fld.IsStatic)
// gen.Emit(OpCodes.Ldsfld, fld);
//else
//{
// gen.Emit(OpCodes.Ldarg_0);
// gen.Emit(OpCodes.Ldfld, fld);
//}
if (!fld.IsStatic)
gen.EmitLoadArg(0);
gen.MaybeEmitVolatileOp(fld);
gen.EmitFieldGet(fld);
gen.Emit(OpCodes.Ret);
}
if (setterSym != null)
{
MethodAttributes attribs = MethodAttributes.Public;
if (fld.IsStatic)
attribs |= MethodAttributes.Static;
MethodBuilder mb = proxyTB.DefineMethod(setterSym.Name, attribs, typeof(void), new Type[] { fld.FieldType });
CljILGen gen = new CljILGen(mb.GetILGenerator());
if (fld.IsStatic)
{
gen.Emit(OpCodes.Ldarg_0);
//gen.Emit(OpCodes.Stsfld, fld);
}
else
{
gen.Emit(OpCodes.Ldarg_0);
gen.Emit(OpCodes.Ldarg_1);
//gen.Emit(OpCodes.Stfld, fld);
}
gen.MaybeEmitVolatileOp(fld);
gen.EmitFieldSet(fld);
gen.Emit(OpCodes.Ret);
}
}
}
void EmitProto(RHC rhc, ObjExpr objx, CljILGen ilg)
{
Label onLabel = ilg.DefineLabel();
Label callLabel = ilg.DefineLabel();
Label endLabel = ilg.DefineLabel();
Var v = ((VarExpr)_fexpr).Var;
Expr e = (Expr)_args.nth(0);
e.Emit(RHC.Expression, objx, ilg); // target
ilg.Emit(OpCodes.Dup); // target, target
LocalBuilder targetTemp = ilg.DeclareLocal(typeof(Object));
GenContext.SetLocalName(targetTemp, "target");
ilg.Emit(OpCodes.Stloc,targetTemp); // target
ilg.Emit(OpCodes.Call,Compiler.Method_Util_classOf); // class
ilg.EmitLoadArg(0); // class, this
ilg.EmitFieldGet(objx.CachedTypeField(_siteIndex)); // class, cached-class
ilg.Emit(OpCodes.Beq, callLabel); //
if (_protocolOn != null)
{
ilg.Emit(OpCodes.Ldloc,targetTemp); // target
ilg.Emit(OpCodes.Isinst, _protocolOn); // null or target
ilg.Emit(OpCodes.Ldnull); // (null or target), null
ilg.Emit(OpCodes.Cgt_Un); // (0 or 1)
ilg.Emit(OpCodes.Brtrue, onLabel);
}
ilg.Emit(OpCodes.Ldloc,targetTemp); // target
ilg.Emit(OpCodes.Call,Compiler.Method_Util_classOf); // class
LocalBuilder typeTemp = ilg.DeclareLocal(typeof(Type));
GenContext.SetLocalName(typeTemp, "type");
ilg.Emit(OpCodes.Stloc,typeTemp); // (typeType <= class)
ilg.EmitLoadArg(0); // this
ilg.Emit(OpCodes.Ldloc,typeTemp); // this, class
ilg.EmitFieldSet(objx.CachedTypeField(_siteIndex)); //
ilg.MarkLabel(callLabel);
objx.EmitVar(ilg,v); // var
ilg.Emit(OpCodes.Call,Compiler.Method_Var_getRawRoot); // proto-fn
ilg.Emit(OpCodes.Castclass, typeof(AFunction));
ilg.Emit(OpCodes.Ldloc,targetTemp); // proto-fn, target
EmitArgsAndCall(1,rhc,objx,ilg);
ilg.Emit(OpCodes.Br,endLabel);
ilg.MarkLabel(onLabel);
ilg.Emit(OpCodes.Ldloc,targetTemp); // target
if ( _protocolOn != null )
{
ilg.Emit(OpCodes.Castclass, _protocolOn);
MethodExpr.EmitTypedArgs(objx, ilg, _onMethod.GetParameters(), RT.subvec(_args, 1, _args.count()));
//if (rhc == RHC.Return)
//{
// ObjMethod2 method = (ObjMethod)Compiler.MethodVar.deref();
// method.EmitClearLocals(context);
//}
ilg.Emit(OpCodes.Callvirt, _onMethod);
HostExpr.EmitBoxReturn(objx, ilg, _onMethod.ReturnType);
}
ilg.MarkLabel(endLabel);
}
static public void EmitDynamicCallPreamble(DynamicExpression dyn, IPersistentMap spanMap, string methodName, Type returnType, IList <ParameterExpression> paramExprs, Type[] paramTypes, CljILGen ilg, out LambdaExpression lambda, out Type delType, out MethodBuilder mbLambda)
{
Expression call = dyn;
GenContext context = Compiler.CompilerContextVar.deref() as GenContext;
DynInitHelper.SiteInfo siteInfo;
if (context != null && context.DynInitHelper != null)
{
call = context.DynInitHelper.ReduceDyn(dyn, out siteInfo);
}
else
{
throw new InvalidOperationException("Don't know how to handle callsite in this case");
}
if (returnType == typeof(void))
{
call = Expression.Block(call, Expression.Default(typeof(object)));
returnType = typeof(object);
}
else if (returnType != call.Type)
{
call = Expression.Convert(call, returnType);
}
call = GenContext.AddDebugInfo(call, spanMap);
delType = Microsoft.Scripting.Generation.Snippets.Shared.DefineDelegate("__interop__", returnType, paramTypes);
lambda = Expression.Lambda(delType, call, paramExprs);
mbLambda = null;
if (context == null)
{
// light compile
Delegate d = lambda.Compile();
int key = RT.nextID();
CacheDelegate(key, d);
ilg.EmitInt(key);
ilg.Emit(OpCodes.Call, Method_MethodExpr_GetDelegate);
ilg.Emit(OpCodes.Castclass, delType);
}
else
{
mbLambda = context.TB.DefineMethod(methodName, MethodAttributes.Static | MethodAttributes.Public, CallingConventions.Standard, returnType, paramTypes);
//lambda.CompileToMethod(mbLambda);
// Now we get to do all this code create by hand.
// the primary code is
// (loc1 = fb).Target.Invoke(loc1,*args);
// if return type if void, pop the value and push a null
// if return type does not match the call site, add a conversion
CljILGen ilg2 = new CljILGen(mbLambda.GetILGenerator());
ilg2.EmitFieldGet(siteInfo.FieldBuilder);
ilg2.Emit(OpCodes.Dup);
LocalBuilder siteVar = ilg2.DeclareLocal(siteInfo.DelegateType);
ilg2.Emit(OpCodes.Stloc, siteVar);
ilg2.EmitFieldGet(siteInfo.SiteType.GetField("Target"));
ilg2.Emit(OpCodes.Ldloc, siteVar);
for (int i = 0; i < paramExprs.Count; i++)
{
ilg2.EmitLoadArg(i);
}
ilg2.EmitCall(siteInfo.DelegateType.GetMethod("Invoke"));
if (returnType == typeof(void))
{
ilg2.Emit(OpCodes.Pop);
ilg2.EmitNull();
}
else if (returnType != call.Type)
{
EmitConvertToType(ilg2, call.Type, returnType, false);
}
ilg2.Emit(OpCodes.Ret);
/*
* return Expression.Block(
* new[] { site },
* Expression.Call(
* Expression.Field(
* Expression.Assign(site, access),
* cs.GetType().GetField("Target")
* ),
* node.DelegateType.GetMethod("Invoke"),
* ClrExtensions.ArrayInsert(site, node.Arguments)
* )
*/
}
}
protected void EmitValue(object value, CljILGen ilg)
{
bool partial = true;
if (value == null)
ilg.Emit(OpCodes.Ldnull);
else if (value is String)
ilg.Emit(OpCodes.Ldstr, (String)value);
else if (value is Boolean)
{
ilg.EmitBoolean((Boolean)value);
ilg.Emit(OpCodes.Box,typeof(bool));
}
else if (value is Int32)
{
ilg.EmitInt((int)value);
ilg.Emit(OpCodes.Box, typeof(int));
}
else if (value is Int64)
{
ilg.EmitLong((long)value);
ilg.Emit(OpCodes.Box, typeof(long));
}
else if (value is Double)
{
ilg.EmitDouble((double)value);
ilg.Emit(OpCodes.Box, typeof(double));
}
else if (value is Char)
{
ilg.EmitChar((char)value);
ilg.Emit(OpCodes.Box,typeof(char));
}
else if (value is Type)
{
Type t = (Type)value;
if (t.IsValueType)
ilg.EmitType(t);
else
{
//ilg.EmitString(Compiler.DestubClassName(((Type)value).FullName));
ilg.EmitString(((Type)value).FullName);
ilg.EmitCall(Compiler.Method_RT_classForName);
}
}
else if (value is Symbol)
{
Symbol sym = (Symbol)value;
if (sym.Namespace == null)
ilg.EmitNull();
else
ilg.EmitString(sym.Namespace);
ilg.EmitString(sym.Name);
ilg.EmitCall(Compiler.Method_Symbol_intern2);
}
else if (value is Keyword)
{
Keyword keyword = (Keyword)value;
if (keyword.Namespace == null)
ilg.EmitNull();
else
ilg.EmitString(keyword.Namespace);
ilg.EmitString(keyword.Name);
ilg.EmitCall(Compiler.Method_RT_keyword);
}
else if (value is Var)
{
Var var = (Var)value;
ilg.EmitString(var.Namespace.Name.ToString());
ilg.EmitString(var.Symbol.Name.ToString());
ilg.EmitCall(Compiler.Method_RT_var2);
}
else if (value is IType)
{
IPersistentVector fields = (IPersistentVector)Reflector.InvokeStaticMethod(value.GetType(), "getBasis", Type.EmptyTypes);
for (ISeq s = RT.seq(fields); s != null; s = s.next())
{
Symbol field = (Symbol)s.first();
Type k = Compiler.TagType(Compiler.TagOf(field));
object val = Reflector.GetInstanceFieldOrProperty(value, field.Name);
EmitValue(val, ilg);
if (k.IsPrimitive)
{
ilg.Emit(OpCodes.Castclass, k);
}
}
ConstructorInfo cinfo = value.GetType().GetConstructors()[0];
ilg.EmitNew(cinfo);
}
else if (value is IRecord)
{
//MethodInfo[] minfos = value.GetType().GetMethods(BindingFlags.Static | BindingFlags.Public);
EmitValue(PersistentArrayMap.create((IDictionary)value), ilg);
MethodInfo createMI = value.GetType().GetMethod("create", BindingFlags.Static | BindingFlags.Public, null, CallingConventions.Standard, new Type[] { typeof(IPersistentMap) }, null);
ilg.EmitCall(createMI);
}
else if (value is IPersistentMap)
{
IPersistentMap map = (IPersistentMap)value;
List<object> entries = new List<object>(map.count() * 2);
foreach (IMapEntry entry in map)
{
entries.Add(entry.key());
entries.Add(entry.val());
}
EmitListAsObjectArray(entries, ilg);
ilg.EmitCall(Compiler.Method_RT_map);
}
else if (value is IPersistentVector)
{
EmitListAsObjectArray(value, ilg);
ilg.EmitCall(Compiler.Method_RT_vector);
}
else if (value is PersistentHashSet)
{
ISeq vs = RT.seq(value);
if (vs == null)
ilg.EmitFieldGet(Compiler.Method_PersistentHashSet_EMPTY);
else
{
EmitListAsObjectArray(vs, ilg);
ilg.EmitCall(Compiler.Method_PersistentHashSet_create);
}
}
else if (value is ISeq || value is IPersistentList)
{
EmitListAsObjectArray(value, ilg);
ilg.EmitCall(Compiler.Method_PersistentList_create);
}
else if (value is Regex)
{
ilg.EmitString(((Regex)value).ToString());
ilg.EmitNew(Compiler.Ctor_Regex_1);
}
else
{
string cs = null;
try
{
cs = RT.printString(value);
}
catch (Exception)
{
throw new InvalidOperationException(String.Format("Can't embed object in code, maybe print-dup not defined: {0}", value));
}
if (cs.Length == 0)
throw new InvalidOperationException(String.Format("Can't embed unreadable object in code: " + value));
if (cs.StartsWith("#<"))
throw new InvalidOperationException(String.Format("Can't embed unreadable object in code: " + cs));
ilg.EmitString(cs);
ilg.EmitCall(Compiler.Method_RT_readString);
partial = false;
}
if (partial)
{
if (value is IObj && RT.count(((IObj)value).meta()) > 0)
{
ilg.Emit(OpCodes.Castclass, typeof(IObj));
Object m = ((IObj)value).meta();
EmitValue(Compiler.ElideMeta(m), ilg);
ilg.Emit(OpCodes.Castclass, typeof(IPersistentMap));
ilg.Emit(OpCodes.Callvirt, Compiler.Method_IObj_withMeta);
}
}
}
public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
if (objx.FnMode == FnMode.Light)
{
// This will emit a plain Keyword reference, rather than a callsite.
InvokeExpr ie = new InvokeExpr(_source, _spanMap, (Symbol)_tag, _kw, RT.vector(_target));
ie.Emit(rhc, objx, ilg);
}
else
{
Label endLabel = ilg.DefineLabel();
Label faultLabel = ilg.DefineLabel();
GenContext.EmitDebugInfo(ilg, _spanMap);
LocalBuilder thunkLoc = ilg.DeclareLocal(typeof(ILookupThunk));
LocalBuilder targetLoc = ilg.DeclareLocal(typeof(Object));
LocalBuilder resultLoc = ilg.DeclareLocal(typeof(Object));
GenContext.SetLocalName(thunkLoc, "thunk");
GenContext.SetLocalName(targetLoc, "target");
GenContext.SetLocalName(resultLoc, "result");
// TODO: Debug info
// pseudo-code:
// ILookupThunk thunk = objclass.ThunkField(i)
// object target = ...code...
// object val = thunk.get(target)
// if ( val != thunk )
// return val
// else
// KeywordLookupSite site = objclass.SiteField(i)
// thunk = site.fault(target)
// objclass.ThunkField(i) = thunk
// val = thunk.get(target)
// return val
ilg.EmitFieldGet(objx.ThunkField(_siteIndex)); // thunk
ilg.Emit(OpCodes.Stloc, thunkLoc); // (thunkLoc <= thunk)
_target.Emit(RHC.Expression, objx, ilg); // target
ilg.Emit(OpCodes.Stloc, targetLoc); // (targetLoc <= target)
ilg.Emit(OpCodes.Ldloc, thunkLoc);
ilg.Emit(OpCodes.Ldloc, targetLoc);
ilg.EmitCall(Compiler.Method_ILookupThunk_get); // result
ilg.Emit(OpCodes.Stloc, resultLoc); // (resultLoc <= result)
ilg.Emit(OpCodes.Ldloc, thunkLoc);
ilg.Emit(OpCodes.Ldloc, resultLoc);
ilg.Emit(OpCodes.Beq, faultLabel);
ilg.Emit(OpCodes.Ldloc, resultLoc); // result
ilg.Emit(OpCodes.Br, endLabel);
ilg.MarkLabel(faultLabel);
ilg.EmitFieldGet(objx.KeywordLookupSiteField(_siteIndex)); // site
ilg.Emit(OpCodes.Ldloc, targetLoc); // site, target
ilg.EmitCall(Compiler.Method_ILookupSite_fault); // new-thunk
ilg.Emit(OpCodes.Dup); // new-thunk, new-thunk
ilg.EmitFieldSet(objx.ThunkField(_siteIndex)); // new-thunk
ilg.Emit(OpCodes.Ldloc, targetLoc); // new-thunk, target
ilg.EmitCall(Compiler.Method_ILookupThunk_get); // result
ilg.MarkLabel(endLabel); // result
if (rhc == RHC.Statement)
ilg.Emit(OpCodes.Pop);
}
}
internal void EmitUnboxedLocal(CljILGen ilg, LocalBinding lb)
{
if (Closes.containsKey(lb))
{
if (_fnMode == FnMode.Full)
{
ilg.Emit(OpCodes.Ldarg_0); // this
FieldBuilder fb = _closedOverFieldsMap[lb];
ilg.MaybeEmitVolatileOp(IsVolatile(lb));
ilg.Emit(OpCodes.Ldfld, fb);
}
else
{
ilg.Emit(OpCodes.Ldarg_0); // this
ilg.Emit(OpCodes.Castclass, typeof(IFnClosure));
ilg.EmitCall(Compiler.Method_IFnClosure_GetClosure);
ilg.EmitFieldGet(Compiler.Field_Closure_Locals);
ilg.EmitInt(lb.Index);
ilg.EmitLoadElement(typeof(Object));
if (lb.PrimitiveType != null)
ilg.Emit(OpCodes.Unbox, lb.PrimitiveType);
}
}
else if (lb.IsArg)
{
//int argOffset = IsStatic ? 0 : 1;
//ilg.Emit(OpCodes.Ldarg, lb.Index + argOffset);
ilg.EmitLoadArg(lb.Index);
}
else if (lb.IsThis)
{
ilg.EmitLoadArg(0);
}
else
ilg.Emit(OpCodes.Ldloc, lb.LocalVar);
}
internal void EmitLocal(CljILGen ilg, LocalBinding lb)
{
Type primType = lb.PrimitiveType;
if (Closes.containsKey(lb))
{
if (_fnMode == FnMode.Full)
{
ilg.Emit(OpCodes.Ldarg_0); // this
FieldBuilder fb = _closedOverFieldsMap[lb];
ilg.MaybeEmitVolatileOp(IsVolatile(lb));
ilg.Emit(OpCodes.Ldfld, fb);
if (primType != null)
HostExpr.EmitBoxReturn(this, ilg, primType);
// TODO: ONCEONLY?
}
else // FnMode.Light
{
ilg.Emit(OpCodes.Ldarg_0); // this
ilg.Emit(OpCodes.Castclass, typeof(IFnClosure));
ilg.EmitCall(Compiler.Method_IFnClosure_GetClosure);
ilg.EmitFieldGet(Compiler.Field_Closure_Locals);
ilg.EmitInt(lb.Index);
ilg.EmitLoadElement(typeof(Object));
}
}
else
{
if (lb.IsArg)
{
//int argOffset = IsStatic ? 1 : 0;
//ilg.Emit(OpCodes.Ldarg, lb.Index - argOffset);
ilg.EmitLoadArg(lb.Index);
}
else if (lb.IsThis)
{
ilg.EmitLoadArg(0);
}
else
{
ilg.Emit(OpCodes.Ldloc, lb.LocalVar);
}
if (primType != null)
HostExpr.EmitBoxReturn(this, ilg, primType);
}
}
internal void EmitConstant(CljILGen ilg, int id, object val)
{
if (_fnMode == Ast.FnMode.Light)
{
if (val == null)
{
ilg.EmitNull();
}
if (val.GetType().IsPrimitive)
{
EmitPrimitive(ilg, val);
ilg.Emit(OpCodes.Box,val.GetType());
}
else
{
ilg.Emit(OpCodes.Ldarg_0); // this
ilg.Emit(OpCodes.Castclass, typeof(IFnClosure));
ilg.EmitCall(Compiler.Method_IFnClosure_GetClosure);
ilg.EmitFieldGet(Compiler.Field_Closure_Constants);
ilg.EmitInt(id);
ilg.EmitLoadElement(typeof(Object));
ilg.Emit(OpCodes.Castclass, ConstantType(id));
}
}
else
{
FieldBuilder fb = null;
if (_fnMode == FnMode.Full && ConstantFields != null && ConstantFields.TryGetValue(id, out fb))
{
ilg.MaybeEmitVolatileOp(fb);
ilg.Emit(OpCodes.Ldsfld, fb);
}
else
EmitValue(val, ilg);
}
}
protected void EmitValue(object value, CljILGen ilg)
{
bool partial = true;
if (value == null)
{
ilg.Emit(OpCodes.Ldnull);
}
else if (value is String)
{
ilg.Emit(OpCodes.Ldstr, (String)value);
}
else if (value is Boolean)
{
ilg.EmitBoolean((Boolean)value);
ilg.Emit(OpCodes.Box, typeof(bool));
}
else if (value is Int32)
{
ilg.EmitInt((int)value);
ilg.Emit(OpCodes.Box, typeof(int));
}
else if (value is Int64)
{
ilg.EmitLong((long)value);
ilg.Emit(OpCodes.Box, typeof(long));
}
else if (value is Double)
{
ilg.EmitDouble((double)value);
ilg.Emit(OpCodes.Box, typeof(double));
}
else if (value is Char)
{
ilg.EmitChar((char)value);
ilg.Emit(OpCodes.Box, typeof(char));
}
else if (value is Type)
{
Type t = (Type)value;
if (t.IsValueType)
{
ilg.EmitType(t);
}
else
{
//ilg.EmitString(Compiler.DestubClassName(((Type)value).FullName));
ilg.EmitString(((Type)value).FullName);
ilg.EmitCall(Compiler.Method_RT_classForName);
}
}
else if (value is Symbol)
{
Symbol sym = (Symbol)value;
if (sym.Namespace == null)
{
ilg.EmitNull();
}
else
{
ilg.EmitString(sym.Namespace);
}
ilg.EmitString(sym.Name);
ilg.EmitCall(Compiler.Method_Symbol_intern2);
}
else if (value is Keyword)
{
Keyword keyword = (Keyword)value;
if (keyword.Namespace == null)
{
ilg.EmitNull();
}
else
{
ilg.EmitString(keyword.Namespace);
}
ilg.EmitString(keyword.Name);
ilg.EmitCall(Compiler.Method_RT_keyword);
}
else if (value is Var)
{
Var var = (Var)value;
ilg.EmitString(var.Namespace.Name.ToString());
ilg.EmitString(var.Symbol.Name.ToString());
ilg.EmitCall(Compiler.Method_RT_var2);
}
else if (value is IType)
{
IPersistentVector fields = (IPersistentVector)Reflector.InvokeStaticMethod(value.GetType(), "getBasis", Type.EmptyTypes);
for (ISeq s = RT.seq(fields); s != null; s = s.next())
{
Symbol field = (Symbol)s.first();
Type k = Compiler.TagType(Compiler.TagOf(field));
object val = Reflector.GetInstanceFieldOrProperty(value, Compiler.munge(field.Name));
EmitValue(val, ilg);
if (k.IsPrimitive)
{
ilg.Emit(OpCodes.Castclass, k);
}
}
ConstructorInfo cinfo = value.GetType().GetConstructors()[0];
ilg.EmitNew(cinfo);
}
else if (value is IRecord)
{
//MethodInfo[] minfos = value.GetType().GetMethods(BindingFlags.Static | BindingFlags.Public);
EmitValue(PersistentArrayMap.create((IDictionary)value), ilg);
MethodInfo createMI = value.GetType().GetMethod("create", BindingFlags.Static | BindingFlags.Public, null, CallingConventions.Standard, new Type[] { typeof(IPersistentMap) }, null);
ilg.EmitCall(createMI);
}
else if (value is IPersistentMap)
{
IPersistentMap map = (IPersistentMap)value;
List <object> entries = new List <object>(map.count() * 2);
foreach (IMapEntry entry in map)
{
entries.Add(entry.key());
entries.Add(entry.val());
}
EmitListAsObjectArray(entries, ilg);
ilg.EmitCall(Compiler.Method_RT_map);
}
else if (value is IPersistentVector)
{
IPersistentVector args = (IPersistentVector)value;
if (args.count() <= Tuple.MAX_SIZE)
{
for (int i = 0; i < args.count(); i++)
{
EmitValue(args.nth(i), ilg);
}
ilg.Emit(OpCodes.Call, Compiler.Methods_CreateTuple[args.count()]);
}
else
{
EmitListAsObjectArray(value, ilg);
ilg.EmitCall(Compiler.Method_RT_vector);
}
}
else if (value is PersistentHashSet)
{
ISeq vs = RT.seq(value);
if (vs == null)
{
ilg.EmitFieldGet(Compiler.Method_PersistentHashSet_EMPTY);
}
else
{
EmitListAsObjectArray(vs, ilg);
ilg.EmitCall(Compiler.Method_PersistentHashSet_create);
}
}
else if (value is ISeq || value is IPersistentList)
{
EmitListAsObjectArray(value, ilg);
ilg.EmitCall(Compiler.Method_PersistentList_create);
}
else if (value is Regex)
{
ilg.EmitString(((Regex)value).ToString());
ilg.EmitNew(Compiler.Ctor_Regex_1);
}
else
{
string cs = null;
try
{
cs = RT.printString(value);
}
catch (Exception)
{
throw new InvalidOperationException(String.Format("Can't embed object in code, maybe print-dup not defined: {0}", value));
}
if (cs.Length == 0)
{
throw new InvalidOperationException(String.Format("Can't embed unreadable object in code: " + value));
}
if (cs.StartsWith("#<"))
{
throw new InvalidOperationException(String.Format("Can't embed unreadable object in code: " + cs));
}
ilg.EmitString(cs);
ilg.EmitCall(Compiler.Method_RT_readString);
partial = false;
}
if (partial)
{
if (value is IObj && RT.count(((IObj)value).meta()) > 0)
{
ilg.Emit(OpCodes.Castclass, typeof(IObj));
Object m = ((IObj)value).meta();
EmitValue(Compiler.ElideMeta(m), ilg);
ilg.Emit(OpCodes.Castclass, typeof(IPersistentMap));
ilg.Emit(OpCodes.Callvirt, Compiler.Method_IObj_withMeta);
}
}
}
void EmitProto(RHC rhc, ObjExpr objx, CljILGen ilg)
{
Label onLabel = ilg.DefineLabel();
Label callLabel = ilg.DefineLabel();
Label endLabel = ilg.DefineLabel();
Var v = ((VarExpr)_fexpr).Var;
Expr e = (Expr)_args.nth(0);
e.Emit(RHC.Expression, objx, ilg); // target
ilg.Emit(OpCodes.Dup); // target, target
LocalBuilder targetTemp = ilg.DeclareLocal(typeof(Object));
GenContext.SetLocalName(targetTemp, "target");
ilg.Emit(OpCodes.Stloc, targetTemp); // target
ilg.Emit(OpCodes.Call, Compiler.Method_Util_classOf); // class
ilg.EmitFieldGet(objx.CachedTypeField(_siteIndex)); // class, cached-class
ilg.Emit(OpCodes.Beq, callLabel); //
if (_protocolOn != null)
{
ilg.Emit(OpCodes.Ldloc, targetTemp); // target
ilg.Emit(OpCodes.Isinst, _protocolOn); // null or target
ilg.Emit(OpCodes.Ldnull); // (null or target), null
ilg.Emit(OpCodes.Cgt_Un); // (0 or 1)
ilg.Emit(OpCodes.Brtrue, onLabel);
}
ilg.Emit(OpCodes.Ldloc, targetTemp); // target
ilg.Emit(OpCodes.Call, Compiler.Method_Util_classOf); // class
LocalBuilder typeTemp = ilg.DeclareLocal(typeof(Type));
GenContext.SetLocalName(typeTemp, "type");
ilg.Emit(OpCodes.Stloc, typeTemp); // (typeType <= class)
ilg.Emit(OpCodes.Ldloc, typeTemp); // this, class
ilg.EmitFieldSet(objx.CachedTypeField(_siteIndex)); //
ilg.MarkLabel(callLabel);
objx.EmitVar(ilg, v); // var
ilg.Emit(OpCodes.Call, Compiler.Method_Var_getRawRoot); // proto-fn
ilg.Emit(OpCodes.Castclass, typeof(AFunction));
ilg.Emit(OpCodes.Ldloc, targetTemp); // proto-fn, target
EmitArgsAndCall(1, rhc, objx, ilg);
ilg.Emit(OpCodes.Br, endLabel);
ilg.MarkLabel(onLabel);
ilg.Emit(OpCodes.Ldloc, targetTemp); // target
if (_protocolOn != null)
{
ilg.Emit(OpCodes.Castclass, _protocolOn);
MethodExpr.EmitTypedArgs(objx, ilg, _onMethod.GetParameters(), RT.subvec(_args, 1, _args.count()));
// In JVM. No necessary here.
//if (_tailPosition)
//{
// ObjMethod method = (ObjMethod)Compiler.MethodVar.deref();
// method.EmitClearThis(ilg);
//}
ilg.Emit(OpCodes.Callvirt, _onMethod);
HostExpr.EmitBoxReturn(objx, ilg, _onMethod.ReturnType);
}
ilg.MarkLabel(endLabel);
}
protected override void EmitGet(CljILGen ilg)
{
ilg.MaybeEmitVolatileOp(_tinfo);
ilg.EmitFieldGet(_tinfo);
}
private static void GenerateProxyMethod(
TypeBuilder proxyTB,
FieldBuilder mapField,
MethodInfo m,
HashSet<MethodBuilder> specialMethods)
{
MethodAttributes attribs = m.Attributes;
bool callBaseMethod;
if ( (attribs & MethodAttributes.Abstract) == MethodAttributes.Abstract )
{
attribs &= ~MethodAttributes.Abstract;
callBaseMethod = false;
}
else
{
callBaseMethod = true;
}
attribs &= ~MethodAttributes.NewSlot;
attribs |= MethodAttributes.Virtual | MethodAttributes.HideBySig | MethodAttributes.Public;
//Console.Write("Generating proxy method {0}(", m.Name);
//foreach (ParameterInfo p in m.GetParameters())
// Console.Write("{0}, ", p.ParameterType.FullName);
//Console.Write(") ");
//Console.WriteLine(attribs.ToString());
MethodBuilder proxym = proxyTB.DefineMethod(
m.Name,
attribs,
m.CallingConvention,
m.ReturnType,
m.GetParameters().Select<ParameterInfo, Type>(p => p.ParameterType).ToArray<Type>());
if (m.IsSpecialName)
specialMethods.Add(proxym);
CljILGen gen = new CljILGen(proxym.GetILGenerator());
Label elseLabel = gen.DefineLabel();
Label endLabel = gen.DefineLabel();
//// Print a little message, for debugging purposes
//gen.Emit(OpCodes.Ldstr, String.Format("Calling {0} / {1}", proxyTB.FullName, m.ToString()));
//gen.Emit(OpCodes.Call, typeof(Console).GetMethod("WriteLine",
// new Type[] { typeof(string) }));
//gen.Emit(OpCodes.Call, typeof(Console).GetMethod("get_Out"));
//gen.Emit(OpCodes.Call, typeof(System.IO.TextWriter).GetMethod("Flush"));
// Lookup method name in map
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0);
gen.EmitFieldGet(mapField); // gen.Emit(OpCodes.Ldfld, mapField);
gen.EmitString(m.Name); // gen.Emit(OpCodes.Ldstr, m.Name);
gen.EmitCall(Method_RT_get); // gen.Emit(OpCodes.Call, Method_RT_get);
gen.Emit(OpCodes.Dup);
gen.EmitNull(); // gen.Emit(OpCodes.Ldnull);
gen.Emit(OpCodes.Beq_S, elseLabel);
// map entry found
ParameterInfo[] pinfos = m.GetParameters();
gen.Emit(OpCodes.Castclass, typeof(IFn));
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0); // push implicit 'this' arg.
for (int i = 0; i < pinfos.Length; i++)
{
gen.EmitLoadArg(i + 1); // gen.Emit(OpCodes.Ldarg, i + 1);
if (m.GetParameters()[i].ParameterType.IsValueType)
gen.Emit(OpCodes.Box,pinfos[i].ParameterType);
}
int parmCount = pinfos.Length;
gen.EmitCall(GetIFnInvokeMethodInfo(parmCount+1)); // gen.Emit(OpCodes.Call, GetIFnInvokeMethodInfo(parmCount + 1));
if (m.ReturnType == typeof(void))
gen.Emit(OpCodes.Pop);
else
gen.Emit(OpCodes.Unbox_Any, m.ReturnType);
gen.Emit(OpCodes.Br_S,endLabel);
// map entry not found
gen.MarkLabel(elseLabel);
gen.Emit(OpCodes.Pop); // get rid of null leftover from the 'get'
if ( callBaseMethod )
{
gen.EmitLoadArg(0); // gen.Emit(OpCodes.Ldarg_0);
for (int i = 0; i < parmCount; i++)
gen.EmitLoadArg(i + 1); // gen.Emit(OpCodes.Ldarg, i + 1);
gen.Emit(OpCodes.Call, m); // gen.EmitCall(m) improperly emits a callvirt in some cases
}
else
{
gen.EmitString(m.Name); // gen.Emit(OpCodes.Ldstr, m.Name);
gen.EmitNew(CtorInfo_NotImplementedException_1); // gen.Emit(OpCodes.Newobj, CtorInfo_NotImplementedException_1);
gen.Emit(OpCodes.Throw);
}
gen.MarkLabel(endLabel);
gen.Emit(OpCodes.Ret);
}
private void EmitMetaFunctions(TypeBuilder fnTB)
{
// IPersistentMap meta()
MethodBuilder metaMB = fnTB.DefineMethod("meta", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.ReuseSlot, typeof(IPersistentMap), Type.EmptyTypes);
CljILGen gen = new CljILGen(metaMB.GetILGenerator());
if (SupportsMeta)
{
gen.EmitLoadArg(0);
gen.EmitFieldGet(_metaField);
}
else
gen.EmitNull();
gen.Emit(OpCodes.Ret);
// IObj withMeta(IPersistentMap)
MethodBuilder withMB = fnTB.DefineMethod("withMeta", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.ReuseSlot, typeof(IObj), new Type[] { typeof(IPersistentMap) });
gen = new CljILGen(withMB.GetILGenerator());
if (SupportsMeta)
{
gen.EmitLoadArg(1); // meta arg
foreach (FieldBuilder fb in _closedOverFields)
{
gen.EmitLoadArg(0);
gen.MaybeEmitVolatileOp(fb);
gen.EmitFieldGet(fb);
}
gen.EmitNew(_ctorInfo);
}
else
gen.EmitLoadArg(0); //this
gen.Emit(OpCodes.Ret);
}
public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
Label endLabel = ilg.DefineLabel();
Label faultLabel = ilg.DefineLabel();
GenContext.EmitDebugInfo(ilg, _spanMap);
LocalBuilder thunkLoc = ilg.DeclareLocal(typeof(ILookupThunk));
LocalBuilder targetLoc = ilg.DeclareLocal(typeof(Object));
LocalBuilder resultLoc = ilg.DeclareLocal(typeof(Object));
GenContext.SetLocalName(thunkLoc, "thunk");
GenContext.SetLocalName(targetLoc, "target");
GenContext.SetLocalName(resultLoc, "result");
// TODO: Debug info
// pseudo-code:
// ILookupThunk thunk = objclass.ThunkField(i)
// object target = ...code...
// object val = thunk.get(target)
// if ( val != thunk )
// return val
// else
// KeywordLookupSite site = objclass.SiteField(i)
// thunk = site.fault(target)
// objclass.ThunkField(i) = thunk
// val = thunk.get(target)
// return val
ilg.EmitFieldGet(objx.ThunkField(_siteIndex)); // thunk
ilg.Emit(OpCodes.Stloc, thunkLoc); // (thunkLoc <= thunk)
_target.Emit(RHC.Expression, objx, ilg); // target
ilg.Emit(OpCodes.Stloc, targetLoc); // (targetLoc <= target)
ilg.Emit(OpCodes.Ldloc, thunkLoc);
ilg.Emit(OpCodes.Ldloc, targetLoc);
ilg.EmitCall(Compiler.Method_ILookupThunk_get); // result
ilg.Emit(OpCodes.Stloc, resultLoc); // (resultLoc <= result)
ilg.Emit(OpCodes.Ldloc, thunkLoc);
ilg.Emit(OpCodes.Ldloc, resultLoc);
ilg.Emit(OpCodes.Beq, faultLabel);
ilg.Emit(OpCodes.Ldloc, resultLoc); // result
ilg.Emit(OpCodes.Br, endLabel);
ilg.MarkLabel(faultLabel);
ilg.EmitFieldGet(objx.KeywordLookupSiteField(_siteIndex)); // site
ilg.Emit(OpCodes.Ldloc, targetLoc); // site, target
ilg.EmitCall(Compiler.Method_ILookupSite_fault); // new-thunk
ilg.Emit(OpCodes.Dup); // new-thunk, new-thunk
ilg.EmitFieldSet(objx.ThunkField(_siteIndex)); // new-thunk
ilg.Emit(OpCodes.Ldloc, targetLoc); // new-thunk, target
ilg.EmitCall(Compiler.Method_ILookupThunk_get); // result
ilg.MarkLabel(endLabel); // result
if (rhc == RHC.Statement)
{
ilg.Emit(OpCodes.Pop);
}
}
public void Emit(RHC rhc, ObjExpr objx, CljILGen ilg)
{
objx.EmitVar(ilg, _var);
if ( _shadowsCoreMapping )
{
LocalBuilder locNs = ilg.DeclareLocal(typeof(Namespace));
GenContext.SetLocalName(locNs, "ns");
ilg.Emit(OpCodes.Dup);
ilg.EmitFieldGet(VarNsFI);
ilg.Emit(OpCodes.Stloc,locNs);
LocalBuilder locSym = ilg.DeclareLocal(typeof(Symbol));
GenContext.SetLocalName(locSym, "sym");
ilg.Emit(OpCodes.Dup);
ilg.EmitFieldGet(VarSymFI);
ilg.Emit(OpCodes.Stloc, locSym);
ilg.Emit(OpCodes.Ldloc, locNs);
ilg.Emit(OpCodes.Ldloc, locSym);
ilg.Emit(OpCodes.Call, NamespaceReferMI);
}
if (_isDynamic)
{
ilg.Emit(OpCodes.Call, Compiler.Method_Var_setDynamic0);
}
if (_meta != null)
{
if (_initProvided || true) //IncludesExplicitMetadata((MapExpr)_meta))
{
ilg.Emit(OpCodes.Dup);
_meta.Emit(RHC.Expression, objx, ilg);
ilg.Emit(OpCodes.Castclass, typeof(IPersistentMap));
ilg.Emit(OpCodes.Call, Compiler.Method_Var_setMeta);
}
}
if (_initProvided)
{
ilg.Emit(OpCodes.Dup);
if (_init is FnExpr)
((FnExpr)_init).EmitForDefn(objx, ilg);
else
_init.Emit(RHC.Expression, objx, ilg);
ilg.Emit(OpCodes.Call,Compiler.Method_Var_bindRoot);
}
if (rhc == RHC.Statement)
ilg.Emit(OpCodes.Pop);
}
protected override void EmitGet(CljILGen ilg)
{
ilg.EmitFieldGet(_tinfo);
}
