public override bool Resolve(BlockContext ec)
{
TypeExpression storey_type_expr = new TypeExpression(host.Definition, loc);
List <Expression> init = null;
if (host.hoisted_this != null)
{
init = new List <Expression> (host.hoisted_params == null ? 1 : host.HoistedParameters.Count + 1);
HoistedThis ht = host.hoisted_this;
FieldExpr from = new FieldExpr(ht.Field, loc);
from.InstanceExpression = new CompilerGeneratedThis(ec.CurrentType, loc);
init.Add(new ElementInitializer(ht.Field.Name, from, loc));
}
if (host.hoisted_params != null)
{
if (init == null)
{
init = new List <Expression> (host.HoistedParameters.Count);
}
for (int i = 0; i < host.hoisted_params.Count; ++i)
{
HoistedParameter hp = (HoistedParameter)host.hoisted_params [i];
HoistedParameter hp_cp = (HoistedParameter)host.hoisted_params_copy [i];
FieldExpr from = new FieldExpr(hp_cp.Field, loc);
from.InstanceExpression = new CompilerGeneratedThis(ec.CurrentType, loc);
init.Add(new ElementInitializer(hp.Field.Name, from, loc));
}
}
if (init != null)
{
new_storey = new NewInitialize(storey_type_expr, null,
new CollectionOrObjectInitializers(init, loc), loc);
}
else
{
new_storey = new New(storey_type_expr, null, loc);
}
new_storey = new_storey.Resolve(ec);
if (new_storey != null)
{
new_storey = Convert.ImplicitConversionRequired(ec, new_storey, host_method.MemberType, loc);
}
ec.CurrentBranching.CurrentUsageVector.Goto();
return(true);
}
public override bool Resolve(BlockContext ec)
{
TypeExpression storey_type_expr = new TypeExpression(host.Definition, loc);
List <Expression> init = null;
if (host.hoisted_this != null)
{
init = new List <Expression> (host.hoisted_params == null ? 1 : host.HoistedParameters.Count + 1);
HoistedThis ht = host.hoisted_this;
FieldExpr from = new FieldExpr(ht.Field, loc);
from.InstanceExpression = CompilerGeneratedThis.Instance;
init.Add(new ElementInitializer(ht.Field.Name, from, loc));
}
if (host.hoisted_params != null)
{
if (init == null)
{
init = new List <Expression> (host.HoistedParameters.Count);
}
for (int i = 0; i < host.hoisted_params.Count; ++i)
{
HoistedParameter hp = (HoistedParameter)host.hoisted_params [i];
HoistedParameter hp_cp = (HoistedParameter)host.hoisted_params_copy [i];
FieldExpr from = new FieldExpr(hp_cp.Field, loc);
from.InstanceExpression = CompilerGeneratedThis.Instance;
init.Add(new ElementInitializer(hp.Field.Name, from, loc));
}
}
if (init != null)
{
new_storey = new NewInitialize(storey_type_expr, null,
new CollectionOrObjectInitializers(init, loc), loc);
}
else
{
new_storey = new New(storey_type_expr, null, loc);
}
new_storey = new_storey.Resolve(ec);
if (new_storey != null)
{
new_storey = Convert.ImplicitConversionRequired(ec, new_storey, host_method.MemberType, loc);
}
var t = ec.Module.PredefinedTypes.Interlocked.Resolve(loc);
if (t != null)
{
var p = new ParametersImported(
new[] {
new ParameterData(null, Parameter.Modifier.REF),
new ParameterData(null, Parameter.Modifier.NONE),
new ParameterData(null, Parameter.Modifier.NONE)
},
new[] {
TypeManager.int32_type, TypeManager.int32_type, TypeManager.int32_type
},
false);
var f = new MemberFilter("CompareExchange", 0, MemberKind.Method, p, TypeManager.int32_type);
TypeManager.int_interlocked_compare_exchange = TypeManager.GetPredefinedMethod(t, f, loc);
}
ec.CurrentBranching.CurrentUsageVector.Goto();
return(true);
}
protected override bool DoDefineMembers()
{
current_field = AddCompilerGeneratedField("$current", iterator_type_expr);
disposing_field = AddCompilerGeneratedField("$disposing", new TypeExpression(Compiler.BuiltinTypes.Bool, Location));
if (Iterator.IsEnumerable && 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
//
hoisted_params_copy = new List <HoistedParameter> (hoisted_params.Count);
foreach (HoistedParameter hp in hoisted_params)
{
//
// Don't create field copy for unmodified captured parameters
//
HoistedParameter hp_copy;
if (hp.IsAssigned)
{
hp_copy = new HoistedParameter(hp, "<$>" + hp.Field.Name);
}
else
{
hp_copy = null;
}
hoisted_params_copy.Add(hp_copy);
}
}
if (generic_enumerator_type != null)
{
Define_Current(true);
}
Define_Current(false);
new DisposeMethod(this);
Define_Reset();
if (Iterator.IsEnumerable)
{
FullNamedExpression explicit_iface = new TypeExpression(Compiler.BuiltinTypes.IEnumerable, Location);
var name = new MemberName("GetEnumerator", null, explicit_iface, Location.Null);
if (generic_enumerator_type != null)
{
explicit_iface = new TypeExpression(generic_enumerable_type, Location);
var gname = new MemberName("GetEnumerator", null, explicit_iface, Location.Null);
Method gget_enumerator = GetEnumeratorMethod.Create(this, new TypeExpression(generic_enumerator_type, Location), gname);
//
// Just call generic GetEnumerator implementation
//
var stmt = new Return(new Invocation(new DynamicMethodGroupExpr(gget_enumerator, Location), null), Location);
Method get_enumerator = GetEnumeratorMethod.Create(this, new TypeExpression(Compiler.BuiltinTypes.IEnumerator, Location), name, stmt);
Members.Add(get_enumerator);
Members.Add(gget_enumerator);
}
else
{
Members.Add(GetEnumeratorMethod.Create(this, new TypeExpression(Compiler.BuiltinTypes.IEnumerator, Location), name));
}
}
return(base.DoDefineMembers());
}
public override bool Resolve(EmitContext ec)
{
TypeExpression storey_type_expr = new TypeExpression(host.TypeBuilder, loc);
ArrayList init = null;
if (host.hoisted_this != null)
{
init = new ArrayList(host.hoisted_params == null ? 1 : host.HoistedParameters.Count + 1);
HoistedThis ht = host.hoisted_this;
FieldExpr from = new FieldExpr(ht.Field.FieldBuilder, loc);
from.InstanceExpression = CompilerGeneratedThis.Instance;
init.Add(new ElementInitializer(ht.Field.Name, from, loc));
}
if (host.hoisted_params != null)
{
if (init == null)
{
init = new ArrayList(host.HoistedParameters.Count);
}
for (int i = 0; i < host.hoisted_params.Count; ++i)
{
HoistedParameter hp = (HoistedParameter)host.hoisted_params [i];
HoistedParameter hp_cp = (HoistedParameter)host.hoisted_params_copy [i];
FieldExpr from = new FieldExpr(hp_cp.Field.FieldBuilder, loc);
from.InstanceExpression = CompilerGeneratedThis.Instance;
init.Add(new ElementInitializer(hp.Field.Name, from, loc));
}
}
if (init != null)
{
new_storey = new NewInitialize(storey_type_expr, new ArrayList(0),
new CollectionOrObjectInitializers(init, loc), loc);
}
else
{
new_storey = new New(storey_type_expr, new ArrayList(0), loc);
}
new_storey = new_storey.Resolve(ec);
if (new_storey != null)
{
new_storey = Convert.ImplicitConversionRequired(ec, new_storey, host_method.MemberType, loc);
}
if (TypeManager.int_interlocked_compare_exchange == null)
{
Type t = TypeManager.CoreLookupType("System.Threading", "Interlocked", Kind.Class, true);
if (t != null)
{
TypeManager.int_interlocked_compare_exchange = TypeManager.GetPredefinedMethod(
t, "CompareExchange", loc, TypeManager.int32_type,
TypeManager.int32_type, TypeManager.int32_type);
}
}
ec.CurrentBranching.CurrentUsageVector.Goto();
return(true);
}
