public void DefineIteratorMembers()
{
pc_field = AddCompilerGeneratedField("$PC", TypeManager.system_int32_expr);
current_field = AddCompilerGeneratedField("$current", iterator_type_expr);
if (hoisted_params != null)
{
//
// Iterators are independent, each GetEnumerator call has to
// create same enumerator therefore we have to keep original values
// around for re-initialization
//
// TODO: Do it for assigned/modified parameters only
//
hoisted_params_copy = new ArrayList(hoisted_params.Count);
foreach (HoistedParameter hp in hoisted_params)
{
hoisted_params_copy.Add(new HoistedParameter(hp, "<$>" + hp.Field.Name));
}
}
#if GMCS_SOURCE
Define_Current(true);
#endif
Define_Current(false);
new DisposeMethod(this);
Define_Reset();
if (Iterator.IsEnumerable)
{
MemberName name = new MemberName(
new MemberName("System.Collections.IEnumerable", Location), "GetEnumerator", Location);
#if GMCS_SOURCE
Method get_enumerator = new IteratorMethod(this, enumerator_type, 0, name);
name = new MemberName(
new MemberName("System.Collections.Generic.IEnumerable", generic_args, Location), "GetEnumerator", Location);
Method gget_enumerator = new GetEnumeratorMethod(this, generic_enumerator_type, name);
//
// Just call generic GetEnumerator implementation
//
get_enumerator.Block.AddStatement(
new Return(new Invocation(new DynamicMethodGroupExpr(gget_enumerator, Location), new ArrayList(0)), Location));
AddMethod(get_enumerator);
AddMethod(gget_enumerator);
#else
AddMethod(new GetEnumeratorMethod(this, enumerator_type, name));
#endif
}
}
protected override Expression DoResolve(ResolveContext ec)
{
IteratorHost = (IteratorStorey)block.TopBlock.AnonymousMethodStorey;
BlockContext ctx = new BlockContext(ec, block, ReturnType);
ctx.CurrentAnonymousMethod = this;
ctx.StartFlowBranching(this, ec.CurrentBranching);
Block.Resolve(ctx);
ctx.EndFlowBranching();
var move_next = new IteratorMethod(IteratorHost, new TypeExpression(ec.BuiltinTypes.Bool, loc),
Modifiers.PUBLIC, new MemberName("MoveNext", Location));
move_next.Block.AddStatement(new MoveNextMethodStatement(this));
IteratorHost.AddMethod(move_next);
eclass = ExprClass.Value;
return(this);
}
public GetEnumeratorStatement(IteratorStorey host, IteratorMethod host_method)
{
this.host = host;
this.host_method = host_method;
loc = host_method.Location;
}
void DefineIteratorMembers()
{
pc_field = AddCompilerGeneratedField ("$PC", TypeManager.system_int32_expr);
current_field = AddCompilerGeneratedField ("$current", iterator_type_expr);
if (hoisted_params != null) {
//
// Iterators are independent, each GetEnumerator call has to
// create same enumerator therefore we have to keep original values
// around for re-initialization
//
// TODO: Do it for assigned/modified parameters only
//
hoisted_params_copy = new List<HoistedParameter> (hoisted_params.Count);
foreach (HoistedParameter hp in hoisted_params) {
hoisted_params_copy.Add (new HoistedParameter (hp, "<$>" + hp.Field.Name));
}
}
if (generic_enumerator_type != null)
Define_Current (true);
Define_Current (false);
new DisposeMethod (this);
Define_Reset ();
if (Iterator.IsEnumerable) {
MemberName name = new MemberName (QualifiedAliasMember.GlobalAlias, "System", null, Location);
name = new MemberName (name, "Collections", Location);
name = new MemberName (name, "IEnumerable", Location);
name = new MemberName (name, "GetEnumerator", Location);
if (generic_enumerator_type != null) {
Method get_enumerator = new IteratorMethod (this, enumerator_type, 0, name);
name = new MemberName (name.Left.Left, "Generic", Location);
name = new MemberName (name, "IEnumerable", generic_args, Location);
name = new MemberName (name, "GetEnumerator", Location);
Method gget_enumerator = new GetEnumeratorMethod (this, generic_enumerator_type, name);
//
// Just call generic GetEnumerator implementation
//
get_enumerator.Block.AddStatement (
new Return (new Invocation (new DynamicMethodGroupExpr (gget_enumerator, Location), null), Location));
AddMethod (get_enumerator);
AddMethod (gget_enumerator);
} else {
AddMethod (new GetEnumeratorMethod (this, enumerator_type, name));
}
}
}
void DefineIteratorMembers()
{
pc_field = AddCompilerGeneratedField("$PC", new TypeExpression(Compiler.BuiltinTypes.Int, Location));
current_field = AddCompilerGeneratedField("$current", iterator_type_expr);
disposing_field = AddCompilerGeneratedField("$disposing", new TypeExpression(Compiler.BuiltinTypes.Bool, Location));
if (hoisted_params != null)
{
//
// Iterators are independent, each GetEnumerator call has to
// create same enumerator therefore we have to keep original values
// around for re-initialization
//
// TODO: Do it for assigned/modified parameters only
//
hoisted_params_copy = new List <HoistedParameter> (hoisted_params.Count);
foreach (HoistedParameter hp in hoisted_params)
{
hoisted_params_copy.Add(new HoistedParameter(hp, "<$>" + hp.Field.Name));
}
}
if (generic_enumerator_type != null)
{
Define_Current(true);
}
Define_Current(false);
new DisposeMethod(this);
Define_Reset();
if (Iterator.IsEnumerable)
{
MemberName name = new MemberName(QualifiedAliasMember.GlobalAlias, "System", null, Location);
name = new MemberName(name, "Collections", Location);
name = new MemberName(name, "IEnumerable", Location);
name = new MemberName(name, "GetEnumerator", Location);
if (generic_enumerator_type != null)
{
Method get_enumerator = new IteratorMethod(this, enumerator_type, 0, name);
name = new MemberName(name.Left.Left, "Generic", Location);
name = new MemberName(name, "IEnumerable", generic_args, Location);
name = new MemberName(name, "GetEnumerator", Location);
Method gget_enumerator = new GetEnumeratorMethod(this, generic_enumerator_type, name);
//
// Just call generic GetEnumerator implementation
//
get_enumerator.Block.AddStatement(
new Return(new Invocation(new DynamicMethodGroupExpr(gget_enumerator, Location), null), Location));
AddMethod(get_enumerator);
AddMethod(gget_enumerator);
}
else
{
AddMethod(new GetEnumeratorMethod(this, enumerator_type, name));
}
}
}
public GetEnumeratorStatement(IteratorStorey host, IteratorMethod host_method)
{
this.host = host;
this.host_method = host_method;
loc = host_method.Location;
}
protected override Expression DoResolve (ResolveContext ec)
{
IteratorHost = (IteratorStorey) block.TopBlock.AnonymousMethodStorey;
BlockContext ctx = new BlockContext (ec, block, ReturnType);
ctx.CurrentAnonymousMethod = this;
ctx.StartFlowBranching (this, ec.CurrentBranching);
Block.Resolve (ctx);
ctx.EndFlowBranching ();
var move_next = new IteratorMethod (IteratorHost, new TypeExpression (TypeManager.bool_type, loc),
Modifiers.PUBLIC, new MemberName ("MoveNext", Location));
move_next.Block.AddStatement (new MoveNextMethodStatement (this));
IteratorHost.AddMethod (move_next);
eclass = ExprClass.Value;
return this;
}
