mirror of
https://github.com/dart-lang/sdk
synced 2024-10-14 11:18:49 +00:00
[dart2js] Clean up handling of missing super methods.
Issue: #47406 Issue: #48820 Change-Id: I19de399c4670f9866cffceae3bc3ce19201d1ed3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/352963 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Mayank Patke <fishythefish@google.com>
This commit is contained in:
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@ -243,16 +243,6 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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return visit(_analyzedNode)!;
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}
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bool isIncompatibleInvoke(FunctionEntity function, ArgumentsTypes arguments) {
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ParameterStructure parameterStructure = function.parameterStructure;
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return arguments.positional.length <
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parameterStructure.requiredPositionalParameters ||
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arguments.positional.length > parameterStructure.positionalParameters ||
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arguments.named.keys
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.any((name) => !parameterStructure.namedParameters.contains(name));
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}
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void recordReturnType(TypeInformation type) {
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final analyzedMethod = _analyzedMember as FunctionEntity;
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_returnType = _inferrer.addReturnTypeForMethod(analyzedMethod, type);
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@ -940,10 +930,6 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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ClosureRepresentationInfo info =
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_closureDataLookup.getClosureInfo(function);
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final callMethod = info.callMethod!;
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if (isIncompatibleInvoke(callMethod, argumentsTypes)) {
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return _types.dynamicType;
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}
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TypeInformation type =
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handleStaticInvoke(node, selector, callMethod, argumentsTypes);
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FunctionType functionType =
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@ -2153,15 +2139,6 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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return _types.nonNullEmpty();
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}
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TypeInformation handleSuperNoSuchMethod(
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ir.Node node, Selector selector, ArgumentsTypes? arguments) {
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// Ensure we create a node, to make explicit the call to the
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// `noSuchMethod` handler.
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FunctionEntity noSuchMethod =
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_elementMap.getSuperNoSuchMethod(_analyzedMember.enclosingClass!);
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return handleStaticInvoke(node, selector, noSuchMethod, arguments);
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}
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@override
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TypeInformation visitSuperPropertyGet(ir.SuperPropertyGet node) {
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// TODO(herhut): We could do better here if we knew what we
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@ -2170,13 +2147,6 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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final target = getEffectiveSuperTarget(node.interfaceTarget);
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Selector selector = Selector.getter(_elementMap.getName(node.name));
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if (target == null) {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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// TODO(48820): If this path is infeasible, update types on
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// getEffectiveSuperTarget.
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return handleSuperNoSuchMethod(node, selector, null);
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}
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MemberEntity member = _elementMap.getMember(target);
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TypeInformation type = handleStaticInvoke(node, selector, member, null);
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if (member.isGetter) {
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@ -2208,11 +2178,6 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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final target = getEffectiveSuperTarget(node.interfaceTarget);
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Selector selector = Selector.setter(_elementMap.getName(node.name));
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ArgumentsTypes arguments = ArgumentsTypes([rhsType], null);
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if (target == null) {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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return handleSuperNoSuchMethod(node, selector, arguments);
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}
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final member = _elementMap.getMember(target);
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handleStaticInvoke(node, selector, member, arguments);
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return rhsType;
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@ -2227,27 +2192,19 @@ class KernelTypeGraphBuilder extends ir.VisitorDefault<TypeInformation?>
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final target = getEffectiveSuperTarget(node.interfaceTarget);
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ArgumentsTypes arguments = analyzeArguments(node.arguments);
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Selector selector = _elementMap.getSelector(node);
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if (target == null) {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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return handleSuperNoSuchMethod(node, selector, arguments);
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}
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MemberEntity member = _elementMap.getMember(target);
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assert(member.isFunction, "Unexpected super invocation target: $member");
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if (isIncompatibleInvoke(member as FunctionEntity, arguments)) {
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return handleSuperNoSuchMethod(node, selector, arguments);
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} else {
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TypeInformation type =
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handleStaticInvoke(node, selector, member, arguments);
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FunctionType functionType =
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_elementMap.elementEnvironment.getFunctionType(member);
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if (functionType.returnType.containsFreeTypeVariables) {
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// The return type varies with the call site so we narrow the static
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// return type.
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type = _types.narrowType(type, _getStaticType(node));
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}
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return type;
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member as FunctionEntity;
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TypeInformation type =
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handleStaticInvoke(node, selector, member, arguments);
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FunctionType functionType =
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_elementMap.elementEnvironment.getFunctionType(member);
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if (functionType.returnType.containsFreeTypeVariables) {
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// The return type varies with the call site so we narrow the static
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// return type.
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type = _types.narrowType(type, _getStaticType(node));
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}
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return type;
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}
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@override
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@ -156,12 +156,12 @@ abstract class ImpactRegistry {
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void registerInstanceSet(ir.DartType receiverType, ir.Member target);
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void registerSuperInvocation(ir.Member? target, int positionalArguments,
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void registerSuperInvocation(ir.Member target, int positionalArguments,
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List<String> namedArguments, List<ir.DartType> typeArguments);
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void registerSuperGet(ir.Member? target);
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void registerSuperGet(ir.Member target);
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void registerSuperSet(ir.Member? target);
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void registerSuperSet(ir.Member target);
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void registerSuperInitializer(
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ir.Constructor source,
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@ -679,7 +679,7 @@ class ImpactBuilder extends ir.RecursiveVisitor implements ImpactRegistry {
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@override
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void visitSuperMethodInvocation(ir.SuperMethodInvocation node) {
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registerSuperInvocation(
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getEffectiveSuperTarget(node.interfaceTarget)!,
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getEffectiveSuperTarget(node.interfaceTarget),
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node.arguments.positional.length,
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_getNamedArguments(node.arguments),
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node.arguments.types);
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@ -688,12 +688,12 @@ class ImpactBuilder extends ir.RecursiveVisitor implements ImpactRegistry {
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@override
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void visitSuperPropertyGet(ir.SuperPropertyGet node) {
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registerSuperGet(getEffectiveSuperTarget(node.interfaceTarget)!);
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registerSuperGet(getEffectiveSuperTarget(node.interfaceTarget));
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}
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@override
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void visitSuperPropertySet(ir.SuperPropertySet node) {
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registerSuperSet(getEffectiveSuperTarget(node.interfaceTarget)!);
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registerSuperSet(getEffectiveSuperTarget(node.interfaceTarget));
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node.value.accept(this);
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}
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@ -788,19 +788,19 @@ class ImpactBuilder extends ir.RecursiveVisitor implements ImpactRegistry {
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}
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@override
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void registerSuperSet(ir.Member? target) {
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(_data._superSets ??= []).add(target!);
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void registerSuperSet(ir.Member target) {
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(_data._superSets ??= []).add(target);
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}
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@override
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void registerSuperGet(ir.Member? target) {
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(_data._superGets ??= []).add(target!);
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void registerSuperGet(ir.Member target) {
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(_data._superGets ??= []).add(target);
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}
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@override
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void registerSuperInvocation(ir.Member? target, int positionalArguments,
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void registerSuperInvocation(ir.Member target, int positionalArguments,
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List<String> namedArguments, List<ir.DartType> typeArguments) {
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(_data._superInvocations ??= []).add(_SuperInvocation(target!,
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(_data._superInvocations ??= []).add(_SuperInvocation(target,
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_CallStructure(positionalArguments, namedArguments, typeArguments)));
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}
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@ -315,15 +315,10 @@ bool memberEntityIsInWebLibrary(MemberEntity entity) {
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///
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/// See [ir.ProcedureStubKind.ConcreteMixinStub] for why concrete mixin stubs
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/// are inserted in the first place.
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ir.Member? getEffectiveSuperTarget(ir.Member? target) {
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ir.Member getEffectiveSuperTarget(ir.Member target) {
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if (target is ir.Procedure) {
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if (target.stubKind == ir.ProcedureStubKind.ConcreteMixinStub) {
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return getEffectiveSuperTarget(target.stubTarget);
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}
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// TODO(johnniwinther): Remove this when the CFE reports an error on
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// missing concrete super targets.
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if (target.isAbstract) {
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return null;
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return getEffectiveSuperTarget(target.stubTarget!);
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}
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}
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return target;
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@ -201,18 +201,6 @@ class BackendImpacts {
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],
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);
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late final BackendImpact superNoSuchMethod = BackendImpact(
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staticUses: [
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_commonElements.createInvocationMirror,
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_commonElements.objectNoSuchMethod!
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],
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otherImpacts: [
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_needsInt('Needed to encode the invocation kind of super.noSuchMethod.'),
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_needsList('Needed to encode the arguments of super.noSuchMethod.'),
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_needsString('Needed to encode the name of super.noSuchMethod.')
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],
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);
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late final BackendImpact constantMapLiteral = BackendImpact(
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instantiatedClasses: [
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_commonElements.constantMapClass,
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@ -239,12 +227,6 @@ class BackendImpacts {
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return intValues;
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}
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/// Helper for registering that `List` is needed.
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BackendImpact _needsList(String reason) {
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// TODO(johnniwinther): Register [reason] for use in dump-info.
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return listValues;
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}
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/// Helper for registering that `String` is needed.
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BackendImpact _needsString(String reason) {
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// TODO(johnniwinther): Register [reason] for use in dump-info.
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@ -78,10 +78,6 @@ abstract class JsToElementMap {
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/// Returns the [ClassEntity] corresponding to the class [node].
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ClassEntity getClass(ir.Class node);
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/// Returns the `noSuchMethod` [FunctionEntity] call from a
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/// `super.noSuchMethod` invocation within [cls].
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FunctionEntity getSuperNoSuchMethod(ClassEntity cls);
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/// Returns the [Name] corresponding to [name].
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Name getName(ir.Name name);
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@ -1336,30 +1336,6 @@ class JsKernelToElementMap implements JsToElementMap, IrToElementMap {
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return ConstructedConstantValue(_commonElements.requiredSentinelType, {});
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}
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@override
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FunctionEntity getSuperNoSuchMethod(ClassEntity cls) {
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while (true) {
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ClassEntity? superclass = elementEnvironment.getSuperClass(cls);
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if (superclass == null) break;
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MemberEntity? member = elementEnvironment.lookupLocalClassMember(
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superclass, Names.noSuchMethod_);
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if (member != null && !member.isAbstract) {
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if (member.isFunction) {
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final function = member as FunctionEntity;
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if (function.parameterStructure.positionalParameters >= 1) {
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return function;
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}
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}
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// If [member] is not a valid `noSuchMethod` the target is
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// `Object.superNoSuchMethod`.
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break;
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}
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cls = superclass;
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}
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return elementEnvironment.lookupLocalClassMember(
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commonElements.objectClass, Names.noSuchMethod_)! as FunctionEntity;
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}
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JTypeVariable createTypeVariable(
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Entity typeDeclaration, String name, int index) {
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return JTypeVariable(typeDeclaration, name, index);
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@ -474,63 +474,36 @@ class KernelImpactConverter implements ImpactRegistry {
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}
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@override
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void registerSuperInvocation(ir.Member? target, int positionalArguments,
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void registerSuperInvocation(ir.Member target, int positionalArguments,
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List<String> namedArguments, List<ir.DartType> typeArguments) {
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if (target != null) {
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FunctionEntity method = elementMap.getMember(target) as FunctionEntity;
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List<DartType>? dartTypeArguments = _getTypeArguments(typeArguments);
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impactBuilder.registerStaticUse(StaticUse.superInvoke(
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method,
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CallStructure(positionalArguments + namedArguments.length,
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namedArguments, typeArguments.length),
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dartTypeArguments));
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FunctionEntity method = elementMap.getMember(target) as FunctionEntity;
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List<DartType>? dartTypeArguments = _getTypeArguments(typeArguments);
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impactBuilder.registerStaticUse(StaticUse.superInvoke(
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method,
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CallStructure(positionalArguments + namedArguments.length,
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namedArguments, typeArguments.length),
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dartTypeArguments));
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}
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@override
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void registerSuperGet(ir.Member target) {
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MemberEntity member = elementMap.getMember(target);
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if (member.isFunction) {
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impactBuilder
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.registerStaticUse(StaticUse.superTearOff(member as FunctionEntity));
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} else {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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impactBuilder.registerStaticUse(StaticUse.superInvoke(
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elementMap.getSuperNoSuchMethod(currentMember.enclosingClass!),
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CallStructure.ONE_ARG));
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registerBackendImpact(_impacts.superNoSuchMethod);
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impactBuilder.registerStaticUse(StaticUse.superGet(member));
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}
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}
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@override
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void registerSuperGet(ir.Member? target) {
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if (target != null) {
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MemberEntity member = elementMap.getMember(target);
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if (member.isFunction) {
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impactBuilder.registerStaticUse(
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StaticUse.superTearOff(member as FunctionEntity));
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} else {
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impactBuilder.registerStaticUse(StaticUse.superGet(member));
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}
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void registerSuperSet(ir.Member target) {
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MemberEntity member = elementMap.getMember(target);
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if (member is FieldEntity) {
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impactBuilder.registerStaticUse(StaticUse.superFieldSet(member));
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} else {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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impactBuilder.registerStaticUse(StaticUse.superInvoke(
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elementMap.getSuperNoSuchMethod(currentMember.enclosingClass!),
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CallStructure.ONE_ARG));
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registerBackendImpact(_impacts.superNoSuchMethod);
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}
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}
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@override
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void registerSuperSet(ir.Member? target) {
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if (target != null) {
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MemberEntity member = elementMap.getMember(target);
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if (member is FieldEntity) {
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impactBuilder.registerStaticUse(StaticUse.superFieldSet(member));
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} else {
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impactBuilder.registerStaticUse(
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StaticUse.superSetterSet(member as FunctionEntity));
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}
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} else {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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impactBuilder.registerStaticUse(StaticUse.superInvoke(
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elementMap.getSuperNoSuchMethod(currentMember.enclosingClass!),
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CallStructure.ONE_ARG));
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registerBackendImpact(_impacts.superNoSuchMethod);
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impactBuilder.registerStaticUse(
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StaticUse.superSetterSet(member as FunctionEntity));
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}
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}
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@ -4003,21 +4003,14 @@ class KernelSsaGraphBuilder extends ir.VisitorDefault<void>
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HInstruction value = pop();
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final target = getEffectiveSuperTarget(node.interfaceTarget);
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if (target == null) {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
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// concrete super targets.
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_generateSuperNoSuchMethod(node, _elementMap.getSelector(node).name + "=",
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[value], const <DartType>[], sourceInformation);
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} else {
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MemberEntity member = _elementMap.getMember(target);
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_buildInvokeSuper(
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_elementMap.getSelector(node),
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_elementMap.getClass(_containingClass(node)),
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member,
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[value],
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const <DartType>[],
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sourceInformation);
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}
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MemberEntity member = _elementMap.getMember(target);
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_buildInvokeSuper(
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_elementMap.getSelector(node),
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_elementMap.getClass(_containingClass(node)),
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member,
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[value],
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const <DartType>[],
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sourceInformation);
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pop();
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stack.add(value);
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}
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@ -5919,55 +5912,6 @@ class KernelSsaGraphBuilder extends ir.VisitorDefault<void>
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throw ArgumentError.value(node, 'node', 'No containing class found.');
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}
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void _generateSuperNoSuchMethod(
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ir.Expression invocation,
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String publicName,
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List<HInstruction> arguments,
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List<DartType> typeArguments,
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SourceInformation? sourceInformation) {
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Selector selector = _elementMap.getSelector(invocation);
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ClassEntity containingClass =
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_elementMap.getClass(_containingClass(invocation));
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FunctionEntity noSuchMethod =
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_elementMap.getSuperNoSuchMethod(containingClass);
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ConstantValue nameConstant = constant_system.createString(publicName);
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js.Name internalName = _namer.invocationName(selector);
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var argumentsInstruction = _buildLiteralList(arguments);
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add(argumentsInstruction);
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List<HInstruction> argumentNames = [];
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for (String argumentName in selector.namedArguments) {
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ConstantValue argumentNameConstant =
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constant_system.createString(argumentName);
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argumentNames.add(graph.addConstant(argumentNameConstant, closedWorld));
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}
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var argumentNamesInstruction = _buildLiteralList(argumentNames);
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add(argumentNamesInstruction);
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ConstantValue kindConstant =
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constant_system.createIntFromInt(selector.invocationMirrorKind);
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_pushStaticInvocation(
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_commonElements.createInvocationMirror,
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[
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graph.addConstant(nameConstant, closedWorld),
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graph.addConstantStringFromName(internalName, closedWorld),
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graph.addConstant(kindConstant, closedWorld),
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argumentsInstruction,
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argumentNamesInstruction,
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graph.addConstantInt(typeArguments.length, closedWorld),
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],
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_abstractValueDomain.dynamicType,
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typeArguments,
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sourceInformation: sourceInformation);
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_buildInvokeSuper(Selectors.noSuchMethod_, containingClass, noSuchMethod,
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[pop()], typeArguments, sourceInformation);
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}
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HInstruction _buildInvokeSuper(
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Selector selector,
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ClassEntity containingClass,
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|
@ -6008,13 +5952,6 @@ class KernelSsaGraphBuilder extends ir.VisitorDefault<void>
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void visitSuperPropertyGet(ir.SuperPropertyGet node) {
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final sourceInformation = _sourceInformationBuilder.buildGet(node);
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final target = getEffectiveSuperTarget(node.interfaceTarget);
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if (target == null) {
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// TODO(johnniwinther): Remove this when the CFE checks for missing
|
||||
// concrete super targets.
|
||||
_generateSuperNoSuchMethod(node, _elementMap.getSelector(node).name,
|
||||
const <HInstruction>[], const <DartType>[], sourceInformation);
|
||||
return;
|
||||
}
|
||||
MemberEntity member = _elementMap.getMember(target);
|
||||
if (member is FieldEntity) {
|
||||
FieldAnalysisData fieldData = _fieldAnalysis.getFieldData(member);
|
||||
|
@ -6038,19 +5975,6 @@ class KernelSsaGraphBuilder extends ir.VisitorDefault<void>
|
|||
void visitSuperMethodInvocation(ir.SuperMethodInvocation node) {
|
||||
final sourceInformation = _sourceInformationBuilder.buildCall(node, node);
|
||||
final superTarget = getEffectiveSuperTarget(node.interfaceTarget);
|
||||
if (superTarget == null) {
|
||||
// TODO(johnniwinther): Remove this when the CFE checks for missing
|
||||
// concrete super targets.
|
||||
Selector selector = _elementMap.getSelector(node);
|
||||
List<DartType> typeArguments = <DartType>[];
|
||||
selector =
|
||||
_fillDynamicTypeArguments(selector, node.arguments, typeArguments);
|
||||
List<HInstruction> arguments = _visitArgumentsForDynamicTarget(
|
||||
selector, node.arguments, typeArguments);
|
||||
_generateSuperNoSuchMethod(
|
||||
node, selector.name, arguments, typeArguments, sourceInformation);
|
||||
return;
|
||||
}
|
||||
MemberEntity member = _elementMap.getMember(superTarget);
|
||||
List<DartType> typeArguments =
|
||||
_getStaticTypeArguments(member as FunctionEntity, node.arguments);
|
||||
|
|
Loading…
Reference in a new issue