internal override void Assign(CodeGenContext context, Node rhs)
{
// object value = rhs;
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
// thisblock.localsN.SetDynamic("vid", value);
context.ldarg(0);
context.ldfld(block.frameFields[depth - 1]);
context.ldstr(Name);
value.GenSimple(context);
context.call(Runtime.Frame.SetDynamic);
value.GenSimple(context);
context.ReleaseLocal(value, created);
}
internal override void GenCode0(CodeGenContext context)
{
// String.Concat(String.Concat(arg1, arg2), args, ...);
head.GenCode0(context);
if (head.nd_next != null)
{
int first = context.StoreInTemp("head", Runtime.StringRef, head.location);
for (Node n = head.nd_next; n != null; n = n.nd_next)
{
n.GenCode0(context);
int second = context.StoreInTemp("tail", Runtime.StringRef, n.location);
context.ldloc(first);
context.ldloc(second);
context.callvirt(Runtime.String.Concat);
context.stloc(first);
context.ReleaseLocal(second, true);
}
context.ldloc(first);
context.ReleaseLocal(first, true);
}
}
internal void GenCall(CodeGenContext context)
{
int result = context.CreateLocal("result", PrimitiveType.Object);
PERWAPI.CILLabel endLabel = context.NewLabel();
PERWAPI.CILLabel retryLabel = context.NewLabel();
context.CodeLabel(retryLabel);
context.StartBlock(Clause.Try);
{
// object result = Call(...)
GenCall0(context);
context.stloc(result);
context.Goto(endLabel);
}
PERWAPI.TryBlock tryBlock = context.EndTryBlock();
context.StartBlock(Clause.Catch);
{
CatchBreakException(context, result, endLabel);
}
context.EndCatchBlock(Runtime.BreakExceptionRef, tryBlock);
context.StartBlock(Clause.Catch);
{
CatchRetryException(context, retryLabel);
}
context.EndCatchBlock(Runtime.RetryExceptionRef, tryBlock);
context.CodeLabel(endLabel);
context.ldloc(result);
context.ReleaseLocal(result, true);
}
internal override void GenCode0(CodeGenContext context)
{
bool created;
ISimple list = GenArgList(context, out created);
list.GenSimple(context);
context.callvirt(Runtime.ArgList.ToRubyObject);
context.ReleaseLocal(list, created);
}
internal override void GenCode0(CodeGenContext context)
{
bool created;
ISimple left = context.PreCompute(lhs, "lhs", out created);
new COND((Node)left, rhs, (Node)left, location).GenCode(context);
context.ReleaseLocal(left, created);
}
internal override void GenCode0(CodeGenContext context)
{
if (args != null)
{
bool created;
ISimple list = args.GenArgList(context, out created);
list.GenSimple(context);
context.callvirt(Runtime.ArgList.ToRubyArray);
context.ReleaseLocal(list, created);
}
else
context.newobj(Runtime.Array.ctor);
}
internal override void GenCode0(CodeGenContext context)
{
PERWAPI.CILLabel finalLabel = context.NewLabel();
int RescueTemp = context.CreateLocal("rescueTemp", PERWAPI.PrimitiveType.Object);
context.ldnull();
context.stloc(RescueTemp);
if (ensure != null)
{
context.StartBlock(Clause.Try); // outer try block with finally
context.StartBlock(Clause.Try); // inner try block with catch
}
GenInnerBlock(context, RescueTemp);
if (ensure != null)
{
context.Goto(finalLabel);
PERWAPI.TryBlock innerTry = context.EndTryBlock();
context.StartBlock(Clause.Catch);
GenRescue(context, null, 0, null);
context.EndCatchBlock(Runtime.SystemExceptionRef, innerTry);
PERWAPI.TryBlock outerTry = context.EndTryBlock();
// Fixme: reset labels to prevent branches out of finally block.
context.StartBlock(Clause.Finally);
ensure.GenCode(context);
if (context.Reachable())
context.pop();
context.endfinally();
context.EndFinallyBlock(outerTry);
context.CodeLabel(finalLabel);
context.newEndPoint(location);
}
context.ldloc(RescueTemp);
context.ReleaseLocal(RescueTemp, true);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
//Ruby.Variables.gvar_set(vid, rhs, caller);
context.ldstr(vid.ToString());
value.GenSimple(context);
context.ldloc(0);
context.call(Runtime.Variables.gvar_set);
context.ReleaseLocal(value, created);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
// object value = rhs;
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
// Eval.ivar_set(caller, recv, "vid", rhs);
context.ldloc(0);
context.ldarg("recv");
context.ldstr(vid);
value.GenSimple(context);
context.call(Runtime.Eval.ivar_set);
context.ReleaseLocal(value, created);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
// object value = rhs;
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
// thisblock.localsN.vid = value;
context.ldarg(0);
context.ldfld(block.frameFields[depth - 1]);
value.GenSimple(context);
context.stfld(field);
value.GenSimple(context);
context.ReleaseLocal(value, created);
}
private void CopyOptionalFormals(CodeGenContext context, Scope scope)
{
for (ASSIGNMENT opt = (ASSIGNMENT)optional; opt != null; opt = (ASSIGNMENT)opt.nd_next)
{
PERWAPI.CILLabel runout_label = context.NewLabel();
PERWAPI.CILLabel end_label = context.NewLabel();
string name = ID.ToDotNetName(((VAR)(opt.lhs)).vid);
Node defaultValue = opt.rhs;
// if (args.RunOut()) goto RunOut
context.ldarg("args");
context.callvirt(Runtime.ArgList.RunOut);
context.brtrue(runout_label);
// locals.name = args.GetNext();
context.ldloc(0);
context.ldarg("args");
context.callvirt(Runtime.ArgList.GetNext);
context.br(end_label);
// RunOut:
context.CodeLabel(runout_label);
// object def = defaultValue;
bool created;
ISimple def = context.PreCompute(defaultValue, "default", out created);
// locals.name = defaultValue
context.ldloc(0);
def.GenSimple(context);
context.ReleaseLocal(def, created);
context.CodeLabel(end_label);
// locals.name = ...
context.stfld(scope.GetFrameField(name));
}
}
internal override ISimple GenArgList(CodeGenContext context, out bool created)
{
bool single = true;
// ArgList arglist = new ArgList();
context.newobj(Runtime.ArgList.ctor);
int arglist = context.StoreInTemp("arglist", Runtime.ArgListRef, location);
int added = 0;
for (Node arg = parameters; arg != null; arg = arg.nd_next)
{
//object argument = arg;
bool argument_created;
ISimple argument = context.PreCompute0(arg, "arg", out argument_created);
// arglist.Add(argument);
context.ldloc(arglist);
argument.GenSimple(context);
context.callvirt(Runtime.ArgList.Add);
added++;
context.ReleaseLocal(argument, argument_created);
}
if (added != 1)
single = false;
if (hashlist != null)
{
// object hash = hashlist;
bool hash_created;
ISimple hash = context.PreCompute(new HASH(hashlist, hashlist.location), "hashlist", out hash_created);
// arglist.Add(hash);
context.ldloc(arglist);
hash.GenSimple(context);
context.callvirt(Runtime.ArgList.Add);
single = false;
context.ReleaseLocal(hash, hash_created);
}
if (array != null)
{
// object list = array;
bool list_created;
ISimple list = context.PreCompute(array, "array", out list_created);
// arglist.AddArray(list, caller);
context.ldloc(arglist);
list.GenSimple(context);
context.ldloc(0);
context.callvirt(Runtime.ArgList.AddArray);
single = false;
context.ReleaseLocal(list, list_created);
}
if (block != null)
{
// object b = block;
bool b_created;
ISimple b = context.PreCompute(block, "block", Runtime.ProcRef, out b_created);
// arglist.block = b;
context.ldloc(arglist);
b.GenSimple(context);
context.stfld(Runtime.ArgList.block);
context.ReleaseLocal(b, b_created);
}
if (single)
{
context.ldloc(arglist);
context.PushTrue();
context.stfld(Runtime.ArgList.single_arg);
}
created = true;
return new LOCAL(arglist, location);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
// object value = rhs;
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
// locals.field = value
context.ldloc(0);
value.GenSimple(context);
context.stfld(field);
GenCode0(context);
context.ReleaseLocal(value, created);
}
internal void AddScopeBody(CodeGenContext context)
{
returnTemp = context.CreateLocal("returnTemp", PrimitiveType.Object);
context.labels = new Labels();
context.labels.Redo = context.NewLabel();
context.labels.Return = context.NewLabel();
// try { ... }
context.StartBlock(Clause.Try);
{
if (BEGIN != null)
BEGIN.GenCode(context);
context.CodeLabel(context.labels.Redo);
if (body != null)
{
body.GenCode(context);
if (context.Reachable())
context.stloc(returnTemp);
}
context.Goto(context.labels.Return);
}
PERWAPI.TryBlock tryBlock = context.EndTryBlock();
CatchReturnException(context, tryBlock);
// ReturnLabel:
// return returnTemp;
context.CodeLabel(context.labels.Return);
context.newEndPoint(location);
if (context.Method.GetRetType() != PERWAPI.PrimitiveType.Void)
context.ldloc(returnTemp);
context.ret();
context.ReleaseLocal(returnTemp, true);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
// Gen right hand sides
ListGen mrhs;
if (rhs is ListGen && !(rhs is MultipleRHS))
mrhs = (ListGen)rhs;
else
mrhs = new ARGS(null, null, rhs, null, location, true);
bool created;
ISimple list = mrhs.GenArgList(context, out created);
list.GenSimple(context);
context.callvirt(Runtime.ArgList.CheckSingleRHS);
int array = context.StoreInTemp("mrhs", Runtime.ArgListRef, location);
context.ReleaseLocal(list, created);
// Gen assignments to left hand sides
for (LVALUE l = elements; l != null; l = (LVALUE)l.nd_next)
{
l.Assign(context, new MultipleRHS(array, l.location));
context.pop();
}
context.ldloc(array);
context.callvirt(Runtime.ArgList.ToRubyArray);
context.ReleaseLocal(array, true);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
// Fixme: make sure CurrentRubyClass is not a singleton (see cvar_cbase)
// object value = rhs;
bool created;
ISimple value = context.PreCompute(rhs, "rhs", out created);
// Ruby.Variables.cvar_set(caller, ruby_cref, "vid", value);
context.ldloc(0);
context.ruby_cbase(parent_scope);
context.ldstr(vid.ToString());
value.GenSimple(context);
context.call(Runtime.Variables.cvar_set);
context.ReleaseLocal(value, created);
}
// append rhs to args array
private ISimple ArgsPlusRHS(CodeGenContext context, out bool created)
{
// ArgList temp = args;
ISimple temp = args.GenArgList(context, out created);
// object value = rhs;
bool value_created;
ISimple value = context.PreCompute(rhs, "rhs", out value_created);
// temp.Add(value);
temp.GenSimple(context);
value.GenSimple(context);
context.callvirt(Runtime.ArgList.Add);
context.ReleaseLocal(value, value_created);
return temp;
}
internal override void GenCode0(CodeGenContext context)
{
int RescueTemp = context.CreateLocal("rescueTemp", PERWAPI.PrimitiveType.Object);
int ExceptionTemp = context.CreateLocal("exceptionTemp", PERWAPI.PrimitiveType.Object);
PERWAPI.CILLabel endLabel = context.NewLabel();
context.StartBlock(Clause.Try);
{
expr.GenCode(context);
if (context.Reachable())
{
context.stloc(RescueTemp);
context.Goto(endLabel);
}
}
PERWAPI.TryBlock tryBlock = context.EndTryBlock();
context.StartBlock(Clause.Catch);
{
PERWAPI.CILLabel stdErrLabel = context.NewLabel();
context.stloc(ExceptionTemp);
context.ldloc(ExceptionTemp);
context.ldfld(Runtime.RubyException.parent);
context.isinst(Runtime.StandardErrorRef);
context.brtrue(stdErrLabel);
context.ldloc(ExceptionTemp);
context.throwOp();
context.CodeLabel(stdErrLabel);
rescue.GenCode(context);
if (context.Reachable())
{
context.stloc(RescueTemp);
context.Goto(endLabel);
}
}
context.EndCatchBlock(Runtime.RubyExceptionRef, tryBlock);
context.CodeLabel(endLabel);
context.ldloc(RescueTemp);
context.ReleaseLocal(RescueTemp, true);
context.ReleaseLocal(ExceptionTemp, true);
}
internal void GenCode(CodeGenContext context, PERWAPI.CILLabel endLabel, int RescueTemp, int exception)
{
for (RESCUE_CLAUSE clause = this; clause != null; clause = clause.next)
{
PERWAPI.CILLabel nextClause = context.NewLabel();
PERWAPI.CILLabel thisClause = context.NewLabel();
context.ldc_i4(0);
LOCAL exceptionCaught = context.StoreInLocal("caught", PERWAPI.PrimitiveType.Boolean, this.location);
for (Node type = clause.types; type != null; type = type.nd_next)
{
PERWAPI.CILLabel label1 = context.NewLabel();
// Precompute each separately to avoid computing a list of types
type.GenCode0(context);
LOCAL tt = context.StoreInLocal("type", PERWAPI.PrimitiveType.Object, type.location);
new METHOD_CALL(tt, ID.intern(Tokens.tEQQ), new AST.LOCAL(exception, type.location), type.location).GenCode(context);
context.ReleaseLocal(tt.local, true);
context.call(Runtime.Eval.Test);
context.brfalse(label1);
context.PushTrue();
context.stloc(exceptionCaught.local);
context.CodeLabel(label1);
}
context.ldloc(exceptionCaught.local);
context.brtrue(thisClause);
context.ReleaseLocal(exceptionCaught.local, true);
context.br(nextClause);
context.CodeLabel(thisClause);
if (clause.var != null)
{
clause.var.Assign(context, new AST.LOCAL(exception, clause.var.location));
context.pop();
}
if (clause.body != null)
clause.body.GenCode(context);
else
context.ldnull();
if (context.Reachable())
context.stloc(RescueTemp);
// reset $!
//Eval.ruby_errinfo.value = null;
context.ldsfld(Runtime.Eval.ruby_errinfo);
context.ldnull();
context.stfld(Runtime.global_variable.value);
context.Goto(endLabel);
context.CodeLabel(nextClause);
}
}
internal void GenRescue(CodeGenContext context, PERWAPI.CILLabel endLabel, int RescueTemp, RESCUE_CLAUSE clauses)
{
// catch (System.Exception e) {
int e = context.StoreInTemp("e", Runtime.SystemExceptionRef, location);
//if (e is Ruby.ControlException)
PERWAPI.CILLabel else1 = context.NewLabel();
context.ldloc(e);
context.isinst(Runtime.ControlExceptionRef);
context.brfalse(else1);
// throw e;
context.rethrow();
context.CodeLabel(else1);
// Ruby.Exception exception;
int exception = context.CreateLocal("exception", Runtime.ExceptionRef);
//if (!(e is Ruby.RubyException))
PERWAPI.CILLabel else2 = context.NewLabel();
PERWAPI.CILLabel end = context.NewLabel();
context.ldloc(e);
context.isinst(Runtime.RubyExceptionRef);
context.brtrue(else2);
// exception = new Ruby.CLRException(frame, e);
context.ldloc(0);
context.ldloc(e);
context.newobj(Runtime.CLRException.ctor);
context.stloc(exception);
context.br(end);
//else
context.CodeLabel(else2);
// exception = (Ruby.RubyException)e.parent;
context.ldloc(e);
context.cast(Runtime.RubyExceptionRef);
context.ldfld(Runtime.RubyException.parent);
context.stloc(exception);
context.CodeLabel(end);
//Eval.ruby_errinfo.value = exception;
context.ldsfld(Runtime.Eval.ruby_errinfo);
context.ldloc(exception);
context.stfld(Runtime.global_variable.value);
if (clauses != null)
clauses.GenCode(context, endLabel, RescueTemp, exception);
context.rethrow();
context.ReleaseLocal(e, true);
context.ReleaseLocal(exception, true);
}
internal override void Defined(CodeGenContext context)
{
if (qualified)
if (scope != null)
{
// object result;
int result = context.CreateLocal("result", PrimitiveType.Object);
PERWAPI.CILLabel endLabel = context.NewLabel();
// try {
context.StartBlock(Clause.Try);
{
// result = Eval.const_defined(scope, vid, caller);
scope.GenCode(context);
context.ldstr(vid.ToString());
context.ldloc(0);
context.call(Runtime.Eval.const_defined);
context.stloc(result);
context.leave(endLabel);
}
TryBlock block = context.EndTryBlock();
// catch (System.Exception) {
context.StartBlock(Clause.Catch);
{
// result = null;
context.ldnull();
context.stloc(result);
context.leave(endLabel);
}
context.EndCatchBlock(Runtime.SystemExceptionRef, block);
context.CodeLabel(endLabel);
context.ldloc(result);
context.ReleaseLocal(result, true);
}
else
{
context.ldsfld(Ruby.Compiler.Runtime.Init.rb_cObject);
context.ldstr(vid.ToString());
context.ldloc(0);
context.call(Runtime.Eval.const_defined);
}
else
{
context.ruby_cbase(parent_scope);
context.ldstr(vid.ToString());
context.ldloc(0);
context.call(Runtime.Eval.const_defined);
}
}
private void GetRestRHS(CodeGenContext context)
{
// rhs.GetRest();
bool created;
ISimple list = ((ListGen)rhs).GenArgList(context, out created);
list.GenSimple(context);
context.callvirt(Runtime.ArgList.GetRest);
context.ReleaseLocal(list, created);
}
internal override void Assign(CodeGenContext context, Node rhs)
{
bool value_created;
ISimple value;
if (qualified) // Fixme: scope == null???
{
// object where = scope;
bool where_created;
ISimple where = context.PreCompute(scope, "scope", out where_created);
// object value = rhs;
value = context.PreCompute(rhs, "rhs", out value_created);
context.ldloc(0);
where.GenSimple(context);
context.ReleaseLocal(where, where_created);
}
else
{
// object value = rhs;
value = context.PreCompute(rhs, "rhs", out value_created);
context.ldloc(0);
context.ruby_cbase(parent_scope);
}
context.ldstr(vid.ToString());
value.GenSimple(context);
context.call(Runtime.Eval.set_const);
context.ReleaseLocal(value, value_created);
}
internal override void GenCode0(CodeGenContext context)
{
context.newLine(location);
recv.GenCode(context);
LOCAL recvLocal = context.StoreInLocal("recv", PrimitiveType.Object, recv.location);
// lhs.vid=(lhs.vid() op rhs)
new METHOD_CALL(recvLocal, vid + "=", new METHOD_CALL(new METHOD_CALL(recvLocal, vid, new ARGS(null, null, null, null, recv.location, true), null, recv.location), op, rhs, location), location).GenCode(context);
context.ReleaseLocal(recvLocal.local, true);
}
internal void AssignOp(CodeGenContext context, string op, Node rhs)
{
// object a = array;
bool a_created;
ISimple a = context.PreCompute(array, "array", out a_created);
// ArgList index = args;
bool index_created;
index = args.GenArgList(context, out index_created);
// access <=> a[index];
ARRAY_ACCESS access = new ARRAY_ACCESS((Node)a, new ProxyList(Index, location), location);
// access1 = (access2 op rhs);
access.Assign(context, METHOD_CALL.Create(access, op, rhs, location));
context.ReleaseLocal(a, a_created);
context.ReleaseLocal(index, index_created);
}
private PERWAPI.ClassDef GenerateClassForFile(CodeGenContext context, string file_name, bool autoLoad, List<SOURCEFILE> files) {
if (fileClass == null)
CreateClassForFile(context, file_name);
// internal static object Load(object recv, Caller caller, Proc block)
LoadMethod = context.CreateMethod(fileClass, MethAttr.PublicStatic, "Load", PrimitiveType.Object, new Param[] { new Param(ParamAttr.Default, "recv", PrimitiveType.Object), new Param(ParamAttr.Default, "caller", Runtime.FrameRef) });
LoadMethod.startMethod(location);
AddScopeLocals(LoadMethod);
AddScopeBody(LoadMethod);
LoadMethod.ReleaseLocal(0, true);
// }
LoadMethod.Close();
if (autoLoad) {
// accessing this field should trigger the .cctor to load the main source file
CodeGenContext.AddField(fileClass, FieldAttr.PublicStatic, "loaded", PrimitiveType.Boolean);
// public static .cctor() {
CodeGenContext cctor = context.CreateStaticConstructor(fileClass);
// register other ruby source files in assembly so that they can be loaded if requested
foreach (SOURCEFILE f in files) {
if (f.fileClass == null)
f.CreateClassForFile(context, File.stripExtension(f.location.file));
// Ruby.Runtime.Program.AddProgram(filename, fileClass);
cctor.ldstr(File.stripExtension(f.location.file));
cctor.ldtoken(f.fileClass);
cctor.call(Runtime.SystemType.GetTypeFromHandle);
cctor.call(Runtime.Program.AddProgram);
}
// Load(Object.ruby_top_self, null);
cctor.ldsfld(Runtime.Object.ruby_top_self);
cctor.ldnull();
cctor.call(LoadMethod.Method);
cctor.pop();
cctor.ret();
// }
cctor.Close();
}
return fileClass;
}
internal override void GenCode0(CodeGenContext context)
{
int receiverLocal = 0;
// singleton_class(caller, receiver).define_method(...);
context.newStartPoint(location);
if (!(receiver is AST.CALL))
{
context.ldloc(0);
receiver.GenCode(context);
}
else
{
receiver.GenCode(context);
receiverLocal = context.CreateLocal("receiverLocal", PrimitiveType.Object);
context.stloc(receiverLocal);
context.ldloc(0);
context.ldloc(receiverLocal);
}
context.call(Runtime.Class.singleton_class);
DefineMethod(context);
if (receiver is AST.CALL)
context.ReleaseLocal(receiverLocal, true);
}
internal override void GenCode0(CodeGenContext context)
{
bool scope_created, super_created;
CodeGenContext newContext = new CodeGenContext(context);
// scope and super must be evaluated in surrounding scope and passed to Init method
ISimple scope = PushScope(context, out scope_created);
ISimple super = PushSuper(context, out super_created);
string basename = ID.ToDotNetName(name.vid);
// BBTAG: try and get the superclass
PERWAPI.Class superClass = Runtime.ObjectRef;
bool superClassFound = false;
PERWAPI.Method superClassConstructor0 = null;
PERWAPI.Method superClassConstructor1 = Runtime.Object.ctor;
if (this is CLASS)
{
superClass = ((CLASS)this).GetSuperClassRef(newContext);
if (superClass != null)
{
superClassFound = true;
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();
}
else
superClass = Runtime.ObjectRef;
}
//public class MyClass: Object {
// check if this class has already been created in a referenced DLL
// FIXME: this won't work for nested classes
PERWAPI.Class classRef = ClassSkeleton.FindPERWAPIClass(null, name, context.peFiles);
bool defineInteropClass = (classRef == null);
// if it seems like an extension of a ruby builtin class, don't generate an interop class
// FIXME: this won't work for nested classes
if (Ruby.Runtime.BuiltinClasses.IsBuiltinClass(basename))
{
Compiler.InteropWarning(basename + " is a Ruby built-in class, interop class not generated");
defineInteropClass = false;
}
//ClassDef interopClass = newContext.CreateNestedClass(CurrentInteropClass(), basename, Runtime.ObjectRef); // BBTAG
ClassDef interopClass = null;
if (defineInteropClass)
{
if (superClass is PERWAPI.ClassDef)
interopClass = newContext.CreateNestedClass(CurrentInteropClass(), basename, ((PERWAPI.ClassDef)superClass).MakeRefOf()); // BBTAG
else
interopClass = newContext.CreateNestedClass(CurrentInteropClass(), basename, superClass); // BBTAG
interopClasses.Push(interopClass);
classRef = interopClass;
}
//context.classes[classname] = interopClass;
// BBTAG: create skeleton for this class
ClassSkeleton skeleton;
if (context.currentSkeleton.nestedClasses.ContainsKey(basename))
skeleton = context.currentSkeleton.nestedClasses[basename];
else
skeleton = new ClassSkeleton(basename, classRef);
skeleton.lexicalParent = context.currentSkeleton;
newContext.currentSkeleton = skeleton;
skeleton.lexicalParent.nestedClasses[basename] = skeleton;
if (!superClassFound && this is AST.CLASS && ((AST.CLASS)this).super_class != null && defineInteropClass)
{
// do not add to post pass list if supertype is a built-in Ruby class
//List<string> qualifiedSuperClass = ClassSkeleton.ConstNodeToClassList(((AST.CLASS)this).super_class);
//if (!(qualifiedSuperClass.Count == 1 && Ruby.Runtime.BuiltinClasses.IsBuiltinClass(qualifiedSuperClass[0])))
newContext.postPassList.Add(new ClassSkeletonPostPass(skeleton, interopClass, ((AST.CLASS)this).super_class));
}
// public static Class classname;
int seqNo = 0;
internal_name = basename;
while (FileClass().GetField(internal_name) != null)
internal_name = basename + (seqNo++);
// Define singleton in file class so that it gets initialized by .cctor
singletonField = FileClass().AddField(PERWAPI.FieldAttr.PublicStatic, internal_name, Runtime.ClassRef);
newContext.CurrentRubyClass = singletonField;
// public MyClass() : base(singleton) { };
CodeGenContext class_constructor = null;
if (defineInteropClass)
{
if (interopClass.GetMethod(".ctor", new Type[0]) == null)
{
CodeGenContext class_constructor0 = newContext.CreateConstructor(interopClass);
class_constructor0.ldarg(0);
if (superClassConstructor0 != null)
class_constructor0.call(superClassConstructor0);
else
{
class_constructor0.ldsfld(singletonField);
class_constructor0.call(superClassConstructor1);
}
class_constructor0.ret();
class_constructor0.Close();
}
// public MyClass(Class klass) : base(klass) { };
MethodDef ctor = interopClass.GetMethod(".ctor", new Type[] { Runtime.ClassRef });
//CodeGenContext class_constructor;
if (ctor == null)
{
class_constructor = newContext.CreateConstructor(interopClass, new Param(ParamAttr.Default, "klass", Runtime.ClassRef));
class_constructor.ldarg(0);
class_constructor.ldarg("klass");
class_constructor.call(superClassConstructor1);
class_constructor.ret();
class_constructor.Close();
}
else
{
class_constructor = new CodeGenContext();
class_constructor.Method = ctor;
}
}
// internal static void Init_fullname(object scope, object super, object recv, Frame caller) {
CodeGenContext Init = newContext.CreateMethod(FileClass(), MethAttr.PublicStatic, "Init_" + internal_name, PrimitiveType.Object,
new Param(ParamAttr.Default, "scope", PrimitiveType.Object),
new Param(ParamAttr.Default, "super", PrimitiveType.Object),
new Param(ParamAttr.Default, "recv", PrimitiveType.Object),
new Param(ParamAttr.Default, "caller", Runtime.FrameRef));
skeleton.initMethod = Init.Method;
Init.startMethod(this.location);
AddScopeLocals(Init);
// singleton = scope.define_???(...)
DefineClass(Init, singletonField);
// recv = singleton;
Init.ldsfld(singletonField);
Init.starg("recv");
// Fixme: should be conditional
// singleton.define_allocator(allocator);
if (defineInteropClass)
{
FieldDef allocator = DefineAllocator(newContext, class_constructor.Method);
if (allocator != null)
{
Init.ldsfld(singletonField);
Init.ldsfld(allocator);
Init.call(Runtime.Class.define_alloc_func);
}
}
AddScopeBody(Init);
Init.ReleaseLocal(0, true);
Init.Close();
if (defineInteropClass)
interopClasses.Pop();
// --------------------- Return to old Context ----------------------------
context.newLine(location);
// Init(scope, super, recv, caller);
scope.GenSimple(context);
super.GenSimple(context);
context.ldarg("recv");
context.ldloc(0);
context.call(Init.Method);
context.ReleaseLocal(super, super_created);
context.ReleaseLocal(scope, scope_created);
}
internal void CatchReturnException(CodeGenContext context, PERWAPI.TryBlock tryBlock)
{
// catch (Ruby.ReturnException exception) { ... }
context.StartBlock(Clause.Catch);
{
PERWAPI.CILLabel falseLabel = context.NewLabel();
int exception = context.StoreInTemp("exception", Runtime.ReturnExceptionRef, location);
// if (exception.scope == thisframe)
context.ldloc(exception);
context.ldfld(Runtime.ReturnException.scope);
context.ldloc(0);
context.bne(falseLabel);
// returnTemp = exception.return_value;
context.ldloc(exception);
context.ldfld(Runtime.ReturnException.return_value);
context.stloc(returnTemp);
context.Goto(context.labels.Return);
// falseLabel:
context.CodeLabel(falseLabel);
// throw exception
context.rethrow();
context.ReleaseLocal(exception, true);
}
context.EndCatchBlock(Runtime.ReturnExceptionRef, tryBlock);
}
internal override void GenCode0(CodeGenContext context)
{
bool start_created, finish_created;
ISimple start = context.PreCompute(beg, "beg", out start_created);
ISimple finish = context.PreCompute(end, "end", out finish_created);
start.GenSimple(context);
finish.GenSimple(context);
context.PushTrue();
context.newobj(Runtime.Range.ctor);
context.ReleaseLocal(start, start_created);
context.ReleaseLocal(finish, finish_created);
}
