Karl Klose
51089b53cd
Change-Id: I7f4bb08b32b0ecf5af4d60af0a5b5b3a2e41c49a Reviewed-on: https://dart-review.googlesource.com/16482 Reviewed-by: Kevin Millikin <kmillikin@google.com> Commit-Queue: Karl Klose <karlklose@google.com>
61 lines
2.2 KiB
Dart
61 lines
2.2 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library kernel.target.vmcc;
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import '../ast.dart' show Program, Library;
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import '../core_types.dart' show CoreTypes;
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import '../class_hierarchy.dart';
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import '../transformations/continuation.dart' as cont;
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import '../transformations/mixin_full_resolution.dart' as mix;
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import '../transformations/sanitize_for_vm.dart';
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import '../transformations/treeshaker.dart';
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import '../transformations/closure_conversion.dart' as cc show transformProgram;
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import 'targets.dart' show TargetFlags;
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import 'vm.dart' as vm_target;
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// VmClosureConvertedTarget used legacy VmTarget which was superseded by
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// VmFastaTarget. Legacy transformations pipeline was pulled from VmTarget
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// into this class when VmTarget was merged with new VmFastaTarget.
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// TODO(alexmarkov): Figure out if this target is still used, and either remove
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// it or unify its transformation pipeline with new VmTarget.
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class VmClosureConvertedTarget extends vm_target.VmTarget {
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VmClosureConvertedTarget(TargetFlags flags) : super(flags);
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@override
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String get name => "vmcc";
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ClassHierarchy _hierarchy;
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@override
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void performModularTransformationsOnLibraries(
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CoreTypes coreTypes, ClassHierarchy hierarchy, List<Library> libraries,
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{void logger(String msg)}) {
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var mixins = new mix.MixinFullResolution(this, coreTypes, hierarchy)
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..transform(libraries);
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_hierarchy = mixins.hierarchy;
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}
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@override
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void performGlobalTransformations(CoreTypes coreTypes, Program program,
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{void logger(String msg)}) {
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if (flags.treeShake) {
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performTreeShaking(coreTypes, program);
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}
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cont.transformProgram(coreTypes, program);
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new SanitizeForVM().transform(program);
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cc.transformProgram(coreTypes, program);
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}
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void performTreeShaking(CoreTypes coreTypes, Program program) {
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new TreeShaker(coreTypes, _hierarchy, program,
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strongMode: strongMode, programRoots: flags.programRoots)
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.transform(program);
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_hierarchy = null; // Hierarchy must be recomputed.
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}
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}
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