public object Eval()
{
Namespace ns = (Namespace)RT.CurrentNSVar.deref();
ns.importClass(RT.classForName(_c));
return(null);
}
public static Type MaybeType(object form, bool stringOk)
{
if (form is Type)
{
return((Type)form);
}
Type t = null;
if (form is Symbol)
{
Symbol sym = (Symbol)form;
if (sym.Namespace == null) // if ns-qualified, can't be classname
{
if (Util.equals(sym, Compiler.CompileStubSymVar.get()))
{
return((Type)Compiler.CompileStubClassVar.get());
}
if (sym.Name.IndexOf('.') > 0 || sym.Name[sym.Name.Length - 1] == ']') // Array. JVM version detects [whatever notation.
{
t = RT.classForNameE(sym.Name);
}
else
{
object o = Compiler.CurrentNamespace.GetMapping(sym);
if (o is Type)
{
t = (Type)o;
}
else if (Compiler.LocalEnvVar.deref() != null && ((IPersistentMap)Compiler.LocalEnvVar.deref()).containsKey(form)) // JVM casts to java.util.Map
{
return(null);
}
else
{
try
{
t = RT.classForName(sym.Name);
}
catch (Exception)
{
// aargh
// leave t set to null -> return null
}
}
}
}
}
else if (stringOk && form is string)
{
t = RT.classForNameE((string)form);
}
return(t);
}
public static Type MaybeType(object form, bool stringOk)
{
if (form is Type)
{
return((Type)form);
}
Type t = null;
if (form is Symbol)
{
Symbol sym = (Symbol)form;
if (sym.Namespace == null) // if ns-qualified, can't be classname
{
if (Util.equals(sym, Compiler.CompileStubSymVar.get()))
{
return((Type)Compiler.CompileStubClassVar.get());
}
if (sym.Name.IndexOf('.') > 0 || sym.Name[sym.Name.Length - 1] == ']') // Array. JVM version detects [whatever notation.
{
t = RT.classForName(sym.Name);
}
else
{
object o = Compiler.CurrentNamespace.GetMapping(sym);
if (o is Type)
{
t = (Type)o;
}
else
{
try
{
t = RT.classForName(sym.Name);
}
catch (Exception)
{
//aargh
}
}
}
}
}
else if (stringOk && form is string)
{
t = RT.classForName((string)form);
}
return(t);
}
[Test]
public void FindTypeInAssembly()
{
AssemblyName aname = new AssemblyName("MyAssy");
AssemblyBuilder assyBldr = AppDomain.CurrentDomain.DefineDynamicAssembly(aname, AssemblyBuilderAccess.RunAndSave, ".");
ModuleBuilder moduleBldr = assyBldr.DefineDynamicModule(aname.Name, aname.Name + ".dll", true);
TypeBuilder tb = moduleBldr.DefineType("clojure.proxy.LongName.MyType", TypeAttributes.Public);
Type myType = tb.CreateType();
Type[] allTypes = assyBldr.GetTypes();
Expect(allTypes.Contains<Type>(myType));
Type findType = assyBldr.GetType("clojure.proxy.LongName.MyType", false);
Expect(findType).Not.To.Be.Null();
Type rtFound = RT.classForName("clojure.proxy.LongName.MyType");
Expect(rtFound).Not.To.Be.Null();
// This naming convention drawn from the Java code.
internal void ComputeNames(ISeq form, string name)
{
FnMethod enclosingMethod = (FnMethod)Compiler.METHODS.deref();
string baseName = enclosingMethod != null
? (enclosingMethod.Fn._name + "$")
: (Compiler.Munge(Compiler.CurrentNamespace.Name.Name) + "$");
if (RT.second(form) is Symbol)
{
name = ((Symbol)RT.second(form)).Name;
}
_simpleName = (name == null ? "fn" : Compiler.Munge(name).Replace(".", "_DOT_")) + "__" + RT.nextID();
_name = baseName + _simpleName;
_internalName = _name.Replace('.', '/');
_fnType = RT.classForName(_internalName);
// fn.fntype = Type.getObjectType(fn.internalName) -- JAVA
}
protected override object Read(PushbackTextReader r, char eq)
{
if (!RT.booleanCast(RT.READEVAL.deref()))
{
throw new Exception("EvalReader not allowed when *read-eval* is false.");
}
Object o = read(r, true, null, true);
if (o is Symbol)
{
return(RT.classForName(o.ToString()));
}
else if (o is IPersistentList)
{
Symbol fs = (Symbol)RT.first(o);
if (fs.Equals(THE_VAR))
{
Symbol vs = (Symbol)RT.second(o);
return(RT.var(vs.Namespace, vs.Name)); //Compiler.resolve((Symbol) RT.second(o),true);
}
if (fs.Name.EndsWith("."))
{
Object[] args = RT.toArray(RT.next(o));
return(Reflector.InvokeConstructor(RT.classForName(fs.Name.Substring(0, fs.Name.Length - 1)), args));
}
if (Compiler.NamesStaticMember(fs))
{
Object[] args = RT.toArray(RT.next(o));
return(Reflector.InvokeStaticMethod(fs.Namespace, fs.Name, args));
}
Object v = Compiler.maybeResolveIn(Compiler.CurrentNamespace, fs);
if (v is Var)
{
return(((IFn)v).applyTo(RT.next(o)));
}
throw new Exception("Can't resolve " + fs);
}
else
{
throw new ArgumentException("Unsupported #= form");
}
}
// At the moment, only used by the LispReader
public static Object InvokeStaticMethod(String typeName, String methodName, Object[] args)
{
Type t = RT.classForName(typeName);
return(InvokeStaticMethod(t, methodName, args));
}
public static Type GetTypeFromName(string name)
{
ClrTypeSpec spec = Parse(name);
if (spec == null)
{
return(null);
}
return(spec.Resolve(
assyName => Assembly.Load(assyName),
//(assy, typeName) => assy == null ? RT.classForName(typeName) : assy.GetType(typeName)); <--- this goes into an infinite loop on a non-existent typename
(assy, typeName) => assy == null ? (name.Equals(typeName) ? null : RT.classForName(typeName)) : assy.GetType(typeName)));
}
public static NewInstanceMethod Parse(ObjExpr objx, ISeq form, Symbol thisTag, Dictionary <IPersistentVector, IList <MethodInfo> > overrideables, Dictionary <IPersistentVector, IList <MethodInfo> > explicits)
{
// (methodname [this-name args*] body...)
// this-name might be nil
NewInstanceMethod method = new NewInstanceMethod(objx, (ObjMethod)Compiler.MethodVar.deref());
Symbol dotName = (Symbol)RT.first(form);
Symbol name;
string methodName;
int idx = dotName.Name.LastIndexOf(".");
if (idx >= 0)
{
// we have an explicit interface implementation
string dotNameStr = dotName.Name;
string interfaceName = dotNameStr.Substring(0, idx);
method.ExplicitInterface = RT.classForName(interfaceName);
if (method.ExplicitInterface == null)
{
throw new ParseException(String.Format("Unable to find interface {0} for explicit method implemntation: {1}", interfaceName, dotNameStr));
}
methodName = dotNameStr.Substring(idx + 1);
name = (Symbol)Symbol.intern(null, Compiler.munge(dotName.Name)).withMeta(RT.meta(dotName));
}
else
{
name = (Symbol)Symbol.intern(null, Compiler.munge(dotName.Name)).withMeta(RT.meta(dotName));
methodName = name.Name;
}
IPersistentVector parms = (IPersistentVector)RT.second(form);
if (parms.count() == 0 || !(parms.nth(0) is Symbol))
{
throw new ParseException("Must supply at least one argument for 'this' in: " + dotName);
}
Symbol thisName = (Symbol)parms.nth(0);
parms = RT.subvec(parms, 1, parms.count());
ISeq body = RT.next(RT.next(form));
try
{
method.SpanMap = (IPersistentMap)Compiler.SourceSpanVar.deref();
// register as the current method and set up a new env frame
// PathNode pnade = new PathNode(PATHTYPE.PATH, (PathNode) CLEAR_PATH.get());
Var.pushThreadBindings(
RT.mapUniqueKeys(
Compiler.MethodVar, method,
Compiler.LocalEnvVar, Compiler.LocalEnvVar.deref(),
Compiler.LoopLocalsVar, null,
Compiler.NextLocalNumVar, 0
// CLEAR_PATH, pnode,
// CLEAR_ROOT, pnode,
// CLEAR_SITES, PersistentHashMap.EMPTY
));
// register 'this' as local 0
//method._thisBinding = Compiler.RegisterLocalThis(((thisName == null) ? dummyThis : thisName), thisTag, null);
Compiler.RegisterLocalThis(((thisName == null) ? dummyThis : thisName), thisTag, null);
IPersistentVector argLocals = PersistentVector.EMPTY;
method._retType = Compiler.TagType(Compiler.TagOf(name));
method._argTypes = new Type[parms.count()];
bool hinted = Compiler.TagOf(name) != null;
Type[] pTypes = new Type[parms.count()];
Symbol[] pSyms = new Symbol[parms.count()];
bool[] pRefs = new bool[parms.count()];
for (int i = 0; i < parms.count(); i++)
{
// Param should be symbol or (by-ref symbol)
Symbol p;
bool isByRef = false;
object pobj = parms.nth(i);
if (pobj is Symbol)
{
p = (Symbol)pobj;
}
else if (pobj is ISeq)
{
ISeq pseq = (ISeq)pobj;
object first = RT.first(pseq);
object second = RT.second(pseq);
if (!(first is Symbol && ((Symbol)first).Equals(HostExpr.ByRefSym)))
{
throw new ParseException("First element in parameter pair must be by-ref");
}
if (!(second is Symbol))
{
throw new ParseException("Params must be Symbols");
}
isByRef = true;
p = (Symbol)second;
hinted = true;
}
else
{
throw new ParseException("Params must be Symbols or of the form (by-ref Symbol)");
}
object tag = Compiler.TagOf(p);
if (tag != null)
{
hinted = true;
}
if (p.Namespace != null)
{
p = Symbol.intern(p.Name);
}
Type pType = Compiler.TagType(tag);
if (isByRef)
{
pType = pType.MakeByRefType();
}
pTypes[i] = pType;
pSyms[i] = p;
pRefs[i] = isByRef;
}
Dictionary <IPersistentVector, IList <MethodInfo> > matches =
method.IsExplicit
? FindMethodsWithNameAndArity(method.ExplicitInterface, methodName, parms.count(), overrideables, explicits)
: FindMethodsWithNameAndArity(methodName, parms.count(), overrideables);
IPersistentVector mk = MSig(methodName, pTypes, method._retType);
IList <MethodInfo> ms = null;
if (matches.Count > 0)
{
// multiple matches
if (matches.Count > 1)
{
// must be hinted and match one method
if (!hinted)
{
throw new ParseException("Must hint overloaded method: " + name.Name);
}
if (!matches.TryGetValue(mk, out ms))
{
throw new ParseException("Can't find matching overloaded method: " + name.Name);
}
method._minfos = ms;
}
else // one match
{
// if hinted, validate match,
if (hinted)
{
if (!matches.TryGetValue(mk, out ms))
{
throw new ParseException("Can't find matching method: " + name.Name + ", leave off hints for auto match.");
}
method._minfos = ms;
//if (m.ReturnType != method._retType)
// throw new ArgumentException(String.Format("Mismatched return type: {0}, expected {1}, had: {2}",
// name.Name, m.ReturnType.Name, method._retType.Name));
}
else // adopt found method sig
{
using (var e = matches.GetEnumerator())
{
e.MoveNext();
mk = e.Current.Key;
ms = e.Current.Value;
}
MethodInfo m = ms[0];
method._retType = m.ReturnType;
pTypes = Compiler.GetTypes(m.GetParameters());
method._minfos = ms;
}
}
}
else
{
throw new ParseException("Can't define method not in interfaces: " + name.Name);
}
if (method.IsExplicit)
{
method.ExplicitMethodInfo = ms[0];
}
// validate unique name + arity among additional methods
for (int i = 0; i < parms.count(); i++)
{
LocalBinding lb = Compiler.RegisterLocal(pSyms[i], null, new MethodParamExpr(pTypes[i]), true, pRefs[i]);
argLocals = argLocals.assocN(i, lb);
method._argTypes[i] = pTypes[i];
}
Compiler.LoopLocalsVar.set(argLocals);
method._name = name.Name;
method.MethodMeta = GenInterface.ExtractAttributes(RT.meta(name));
method.Parms = parms;
method.ArgLocals = argLocals;
method.Body = (new BodyExpr.Parser()).Parse(new ParserContext(RHC.Return), body);
return(method);
}
finally
{
Var.popThreadBindings();
}
}
