main = #lib::main; [@vm.bytecode= ComponentBytecodeMetadata { Bytecode (version: stable) Main library: #lib } ] [@vm.bytecode= MembersBytecodeMetadata { Members { Function 'foo1', static, reflectable, debuggable parameters [] (required: 0) return-type dynamic Bytecode { Entry 1 CheckStack 0 Allocate CP#0 StoreLocal r0 Push r0 PushConstant CP#1 DirectCall CP#2, 2 Drop1 ReturnTOS } ConstantPool { [0] = Class #lib::C [1] = ObjectRef 'hello' [2] = DirectCall '#lib::C:: (constructor)', ArgDesc num-args 2, num-type-args 0, names [] [3] = Reserved } Function 'foo2', static, reflectable, debuggable parameters [] (required: 0) return-type void Bytecode { Entry 1 CheckStack 0 PushConstant CP#1 PushConstant CP#0 AllocateT StoreLocal r0 Push r0 PushConstant CP#2 DirectCall CP#3, 2 Drop1 Drop1 PushConstant CP#6 PushConstant CP#5 AllocateT StoreLocal r0 Push r0 DirectCall CP#7, 1 Drop1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = Class #lib::A [1] = ObjectRef < dart:core::int, dart:core::String > [2] = ObjectRef 'hi' [3] = DirectCall '#lib::A:: (constructor)', ArgDesc num-args 2, num-type-args 0, names [] [4] = Reserved [5] = Class #lib::B [6] = ObjectRef < dart:core::List < dart:core::int >, dart:core::String, dart:core::int > [7] = DirectCall '#lib::B:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [8] = Reserved } Function 'foo3', static, reflectable, debuggable type-params parameters [] (required: 0) return-type void Bytecode { Entry 2 CheckStack 0 CheckFunctionTypeArgs 1, r0 PushNull Push r0 InstantiateTypeArgumentsTOS 0, CP#1 PushConstant CP#0 AllocateT StoreLocal r1 Push r1 DirectCall CP#2, 1 Drop1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = Class #lib::B [1] = ObjectRef < dart:core::List < dart:core::List < #lib::foo3::TypeParam/0 > >, dart:core::String, dart:core::List < #lib::foo3::TypeParam/0 > > [2] = DirectCall '#lib::B:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [3] = Reserved } Function 'foo4', static, reflectable, debuggable parameters [] (required: 0) return-type void Bytecode { Entry 0 CheckStack 0 PushConstant CP#0 DirectCall CP#1, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = ObjectRef < dart:core::int, dart:core::List < dart:core::String > > [1] = DirectCall '#lib::G::test_factory (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [2] = Reserved } Function 'foo5', static, reflectable, debuggable parameters [] (required: 0) return-type void Bytecode { Entry 0 CheckStack 0 PushNull DirectCall CP#0, 1 Drop1 PushNull PushInt 42 DirectCall CP#2, 2 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::I::test_factory2 (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved [2] = DirectCall '#lib::I::test_factory2 (constructor)', ArgDesc num-args 2, num-type-args 0, names ['param'] [3] = Reserved } Function 'foo6', static, reflectable, debuggable parameters [] (required: 0) return-type dynamic Bytecode { Entry 0 CheckStack 0 PushConstant CP#0 PushInt 0 DirectCall CP#1, 2 ReturnTOS } ConstantPool { [0] = ObjectRef < dart:core::String > [1] = DirectCall 'dart:core::_GrowableList:: (constructor)', ArgDesc num-args 2, num-type-args 0, names [] [2] = Reserved } Function 'foo7', static, reflectable, debuggable parameters [dart:core::int 'n'] (required: 1) return-type dynamic Bytecode { Entry 0 CheckStack 0 PushConstant CP#0 Push FP[-5] DirectCall CP#1, 2 ReturnTOS } ConstantPool { [0] = ObjectRef < dart:core::int > [1] = DirectCall 'dart:core::_List:: (constructor)', ArgDesc num-args 2, num-type-args 0, names [] [2] = Reserved } Function 'main', static, reflectable, debuggable parameters [] (required: 0) return-type dynamic Bytecode { Entry 0 CheckStack 0 DirectCall CP#0, 0 Drop1 DirectCall CP#2, 0 Drop1 PushConstant CP#4 DirectCall CP#5, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::foo1', ArgDesc num-args 0, num-type-args 0, names [] [1] = Reserved [2] = DirectCall '#lib::foo2', ArgDesc num-args 0, num-type-args 0, names [] [3] = Reserved [4] = ObjectRef < dart:core::String > [5] = DirectCall '#lib::foo3', ArgDesc num-args 0, num-type-args 1, names [] [6] = Reserved } } } ]library #lib from "#lib" as #lib { [@vm.bytecode= MembersBytecodeMetadata { Members { Field 't1', type = #lib::Base::TypeParam/0, getter = 'get:t1', setter = 'set:t1', reflectable value = null Field 't2', type = #lib::Base::TypeParam/1, getter = 'get:t2', setter = 'set:t2', reflectable value = null Function '', constructor, reflectable, debuggable parameters [] (required: 0) return-type #lib::Base < #lib::Base::TypeParam/0, #lib::Base::TypeParam/1 > Bytecode { Entry 1 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull PushInt 4 CreateArrayTOS StoreLocal r0 Push r0 PushInt 0 PushConstant CP#2 StoreIndexedTOS Push r0 PushInt 1 Push FP[-5] LoadTypeArgumentsField CP#4 PushNull InstantiateType CP#3 StoreIndexedTOS Push r0 PushInt 2 PushConstant CP#5 StoreIndexedTOS Push r0 PushInt 3 Push FP[-5] LoadTypeArgumentsField CP#4 PushNull InstantiateType CP#6 StoreIndexedTOS DirectCall CP#7, 1 DirectCall CP#9, 1 Drop1 PushNull ReturnTOS } Nullable fields: [#lib::Base::t1 (field), #lib::Base::t2 (field)] ConstantPool { [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved [2] = ObjectRef 'Base: ' [3] = Type #lib::Base::TypeParam/0 [4] = TypeArgumentsField #lib::Base [5] = ObjectRef ', ' [6] = Type #lib::Base::TypeParam/1 [7] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names [] [8] = Reserved [9] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names [] [10] = Reserved } } } ] class Base extends dart.core::Object { generic-covariant-impl field #lib::Base::T1 t1 = null; generic-covariant-impl field #lib::Base::T2 t2 = null; constructor •() → #lib::Base<#lib::Base::T1, #lib::Base::T2> : super dart.core::Object::•() { dart.core::print("Base: ${#lib::Base::T1}, ${#lib::Base::T2}"); } } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable, debuggable parameters [dart:core::String 's'] (required: 1) return-type #lib::A Bytecode { Entry 0 CheckStack 0 Push FP[-6] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } } } ] class A extends #lib::Base { constructor •(dart.core::String s) → #lib::A : super #lib::Base::•() ; } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable, debuggable parameters [] (required: 0) return-type #lib::B < dart:core::List < #lib::B::TypeParam/0 >, dart:core::String, #lib::B::TypeParam/0 > Bytecode { Entry 1 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull PushInt 2 CreateArrayTOS StoreLocal r0 Push r0 PushInt 0 PushConstant CP#2 StoreIndexedTOS Push r0 PushInt 1 Push FP[-5] LoadTypeArgumentsField CP#4 PushNull InstantiateType CP#3 StoreIndexedTOS DirectCall CP#5, 1 DirectCall CP#7, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved [2] = ObjectRef 'B: ' [3] = Type #lib::B::TypeParam/0 [4] = TypeArgumentsField #lib::B [5] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names [] [6] = Reserved [7] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names [] [8] = Reserved } } } ] class B extends #lib::Base, dart.core::String> { constructor •() → #lib::B<#lib::B::T> : super #lib::Base::•() { dart.core::print("B: ${#lib::B::T}"); } } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable, debuggable parameters [dart:core::String 's'] (required: 1) return-type #lib::C Bytecode { Entry 1 CheckStack 0 Push FP[-6] DirectCall CP#0, 1 Drop1 PushNull PushInt 2 CreateArrayTOS StoreLocal r0 Push r0 PushInt 0 PushConstant CP#2 StoreIndexedTOS Push r0 PushInt 1 Push FP[-5] StoreIndexedTOS DirectCall CP#3, 1 DirectCall CP#5, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved [2] = ObjectRef 'C: ' [3] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names [] [4] = Reserved [5] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names [] [6] = Reserved } } } ] class C extends dart.core::Object { constructor •(dart.core::String s) → #lib::C : super dart.core::Object::•() { dart.core::print("C: ${s}"); } } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable parameters [] (required: 0) return-type #lib::E < #lib::E::TypeParam/0, #lib::E::TypeParam/1 > Bytecode { Entry 0 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } Function 'test_reuse1', reflectable, debuggable parameters [] (required: 0) return-type dynamic Bytecode { Entry 0 CheckStack 0 Push FP[-5] LoadTypeArgumentsField CP#0 DirectCall CP#1, 1 ReturnTOS } ConstantPool { [0] = TypeArgumentsField #lib::E [1] = DirectCall 'dart:core::Map:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [2] = Reserved } } } ] class E extends dart.core::Object { synthetic constructor •() → #lib::E<#lib::E::K, #lib::E::V> : super dart.core::Object::•() ; method test_reuse1() → dynamic return dart.core::Map::•<#lib::E::K, #lib::E::V>(); } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable parameters [] (required: 0) return-type #lib::F < dart:core::String, dart:core::List < #lib::F::TypeParam/1 >, #lib::F::TypeParam/0, #lib::F::TypeParam/1 > Bytecode { Entry 0 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::E:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } Function 'test_reuse2', reflectable, debuggable parameters [] (required: 0) return-type dynamic Bytecode { Entry 0 CheckStack 0 Push FP[-5] LoadTypeArgumentsField CP#0 DirectCall CP#1, 1 ReturnTOS } ConstantPool { [0] = TypeArgumentsField #lib::F [1] = DirectCall 'dart:core::Map:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [2] = Reserved } } } ] class F extends #lib::E> { synthetic constructor •() → #lib::F<#lib::F::K, #lib::F::V> : super #lib::E::•() ; method test_reuse2() → dynamic return dart.core::Map::•>(); } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable, debuggable parameters [] (required: 0) return-type #lib::G < #lib::G::TypeParam/0, #lib::G::TypeParam/1 > Bytecode { Entry 0 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } Function 'test_factory', factory, static, reflectable, debuggable type-params parameters [] (required: 0) return-type #lib::G < #lib::G::test_factory (constructor)::TypeParam/0, #lib::G::test_factory (constructor)::TypeParam/1 > Bytecode { Entry 1 CheckStack 0 Push FP[-5] PushNull InstantiateTypeArgumentsTOS 0, CP#1 PushConstant CP#0 AllocateT StoreLocal r0 Push r0 DirectCall CP#2, 1 Drop1 ReturnTOS } ConstantPool { [0] = Class #lib::H [1] = ObjectRef < #lib::G::test_factory (constructor)::TypeParam/0, #lib::G::test_factory (constructor)::TypeParam/1, dart:core::String, #lib::G::test_factory (constructor)::TypeParam/0, #lib::G::test_factory (constructor)::TypeParam/1 > [2] = DirectCall '#lib::H:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [3] = Reserved } } } ] class G extends dart.core::Object { constructor •() → #lib::G<#lib::G::K, #lib::G::V> : super dart.core::Object::•() ; static factory test_factory() → #lib::G<#lib::G::test_factory::K, #lib::G::test_factory::V> return new #lib::H::•(); } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable parameters [] (required: 0) return-type #lib::H < #lib::H::TypeParam/1, #lib::H::TypeParam/2, #lib::H::TypeParam/0, #lib::H::TypeParam/1, #lib::H::TypeParam/2 > Bytecode { Entry 0 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::G:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } } } ] class H extends #lib::G<#lib::H::P2, #lib::H::P3> { synthetic constructor •() → #lib::H<#lib::H::P1, #lib::H::P2, #lib::H::P3> : super #lib::G::•() ; } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable, debuggable parameters [dynamic 'param'] (required: 1) return-type #lib::I Bytecode { Entry 0 CheckStack 0 Push FP[-6] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } Function 'test_factory2', factory, static, has-optional-named-params, reflectable, debuggable parameters [dynamic 'param'] (required: 0) return-type #lib::I Bytecode { EntryOptional 1, 0, 1 LoadConstant r1, CP#0 LoadConstant r1, CP#1 Frame 1 CheckStack 0 Allocate CP#2 StoreLocal r2 Push r2 Push r1 DirectCall CP#3, 2 Drop1 ReturnTOS } ConstantPool { [0] = ObjectRef 'param' [1] = ObjectRef null [2] = Class #lib::I [3] = DirectCall '#lib::I:: (constructor)', ArgDesc num-args 2, num-type-args 0, names [] [4] = Reserved } } } ] class I extends dart.core::Object { constructor •(dynamic param) → #lib::I : super dart.core::Object::•() ; static factory test_factory2({dynamic param = null}) → #lib::I return new #lib::I::•(param); } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', factory, static, reflectable, debuggable, native 'agent_J' parameters [] (required: 0) return-type #lib::J Bytecode { Entry 0 CheckStack 0 Push FP[-5] NativeCall CP#0 ReturnTOS } ConstantPool { [0] = NativeEntry agent_J } } } ] class J extends dart.core::Object { @dart._internal::ExternalName::•("agent_J") external static factory •() → #lib::J; } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', factory, static, reflectable, debuggable type-params parameters [] (required: 0) return-type #lib::K < #lib::K:: (constructor)::TypeParam/0, #lib::K:: (constructor)::TypeParam/1 > Bytecode { Entry 1 CheckStack 0 Push FP[-5] PushConstant CP#0 AllocateT StoreLocal r0 Push r0 DirectCall CP#1, 1 Drop1 ReturnTOS } ConstantPool { [0] = Class #lib::TestTypeArgReuse [1] = DirectCall '#lib::TestTypeArgReuse:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [2] = Reserved } } } ] abstract class K extends dart.core::Object { static factory •() → #lib::K<#lib::K::•::A, #lib::K::•::B> return new #lib::TestTypeArgReuse::•<#lib::K::•::A, #lib::K::•::B>(); } [@vm.bytecode= MembersBytecodeMetadata { Members { Function '', constructor, reflectable parameters [] (required: 0) return-type #lib::TestTypeArgReuse < #lib::TestTypeArgReuse::TypeParam/0, #lib::TestTypeArgReuse::TypeParam/1 > Bytecode { Entry 0 CheckStack 0 Push FP[-5] DirectCall CP#0, 1 Drop1 PushNull ReturnTOS } ConstantPool { [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names [] [1] = Reserved } } } ] class TestTypeArgReuse

extends #lib::Base<#lib::TestTypeArgReuse::P, #lib::TestTypeArgReuse::Q> implements #lib::K<#lib::TestTypeArgReuse::P, #lib::TestTypeArgReuse::Q> { synthetic constructor •() → #lib::TestTypeArgReuse<#lib::TestTypeArgReuse::P, #lib::TestTypeArgReuse::Q> : super #lib::Base::•() ; } static method foo1() → dynamic return new #lib::C::•("hello"); static method foo2() → void { new #lib::A::•("hi"); new #lib::B::•(); } static method foo3() → void { new #lib::B::•>(); } static method foo4() → void { #lib::G::test_factory>(); } static method foo5() → void { #lib::I::test_factory2(); #lib::I::test_factory2(param: 42); } static method foo6() → dynamic return dart.core::_GrowableList::•(0); static method foo7(dart.core::int n) → dynamic return dart.core::_List::•(n); static method main() → dynamic { #lib::foo1(); #lib::foo2(); #lib::foo3(); } }