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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef VM_COMPILER_H_ | 5 #ifndef VM_COMPILER_H_ |
| 6 #define VM_COMPILER_H_ | 6 #define VM_COMPILER_H_ |
| 7 | 7 |
| 8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
| 9 #include "vm/growable_array.h" | 9 #include "vm/growable_array.h" |
| 10 #include "vm/runtime_entry.h" | 10 #include "vm/runtime_entry.h" |
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| 86 | 86 |
| 87 // Generates local var descriptors and sets it in 'code'. Do not call if the | 87 // Generates local var descriptors and sets it in 'code'. Do not call if the |
| 88 // local var descriptor already exists. | 88 // local var descriptor already exists. |
| 89 static void ComputeLocalVarDescriptors(const Code& code); | 89 static void ComputeLocalVarDescriptors(const Code& code); |
| 90 | 90 |
| 91 // Eagerly compiles all functions in a class. | 91 // Eagerly compiles all functions in a class. |
| 92 // | 92 // |
| 93 // Returns Error::null() if there is no compilation error. | 93 // Returns Error::null() if there is no compilation error. |
| 94 static RawError* CompileAllFunctions(const Class& cls); | 94 static RawError* CompileAllFunctions(const Class& cls); |
| 95 | 95 |
| 96 // The following global flags are changed by --noopt handler; | 96 static bool always_optimize(); |
| 97 // the flags are changed when generating best unoptimized code (no runtime | |
| 98 // feedback, no deoptimization). | |
| 99 | |
| 100 // Default: false. | |
| 101 static bool always_optimize() { return always_optimize_; } | |
| 102 static void set_always_optimize(bool value) { always_optimize_ = value; } | |
| 103 | |
| 104 static bool allow_recompilation() { return allow_recompilation_; } | |
| 105 static void set_allow_recompilation(bool value) { | |
| 106 allow_recompilation_ = value; | |
| 107 } | |
| 108 | |
| 109 private: | |
| 110 static bool always_optimize_; | |
| 111 static bool allow_recompilation_; | |
| 112 }; | 97 }; |
| 113 | 98 |
| 114 | 99 |
| 115 // Class to run optimizing compilation in a background thread. | 100 // Class to run optimizing compilation in a background thread. |
| 116 // Current implementation: one task per isolate, it dies with the owning | 101 // Current implementation: one task per isolate, it dies with the owning |
| 117 // isolate. | 102 // isolate. |
| 118 // No OSR compilation in the background compiler. | 103 // No OSR compilation in the background compiler. |
| 119 class BackgroundCompiler : public ThreadPool::Task { | 104 class BackgroundCompiler : public ThreadPool::Task { |
| 120 public: | 105 public: |
| 121 static void EnsureInit(Thread* thread); | 106 static void EnsureInit(Thread* thread); |
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| 142 Monitor* done_monitor_; // Notify/wait that the thread is done. | 127 Monitor* done_monitor_; // Notify/wait that the thread is done. |
| 143 | 128 |
| 144 BackgroundCompilationQueue* function_queue_; | 129 BackgroundCompilationQueue* function_queue_; |
| 145 | 130 |
| 146 DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundCompiler); | 131 DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundCompiler); |
| 147 }; | 132 }; |
| 148 | 133 |
| 149 } // namespace dart | 134 } // namespace dart |
| 150 | 135 |
| 151 #endif // VM_COMPILER_H_ | 136 #endif // VM_COMPILER_H_ |
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