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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ | 5 #ifndef SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ |
6 #define SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ | 6 #define SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/numerics/safe_conversions.h" | 9 #include "base/numerics/safe_conversions.h" |
10 #include "sandbox/win/src/policy_engine_params.h" | 10 #include "sandbox/win/src/policy_engine_params.h" |
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147 // count: The number of parameters passed as first argument. | 147 // count: The number of parameters passed as first argument. |
148 // match: The match context that is persisted across the opcode evaluation | 148 // match: The match context that is persisted across the opcode evaluation |
149 // sequence. | 149 // sequence. |
150 EvalResult Evaluate(const ParameterSet* parameters, size_t count, | 150 EvalResult Evaluate(const ParameterSet* parameters, size_t count, |
151 MatchContext* match); | 151 MatchContext* match); |
152 | 152 |
153 // Retrieves a stored argument by index. Valid index values are | 153 // Retrieves a stored argument by index. Valid index values are |
154 // from 0 to < kArgumentCount. | 154 // from 0 to < kArgumentCount. |
155 template <typename T> | 155 template <typename T> |
156 void GetArgument(size_t index, T* argument) const { | 156 void GetArgument(size_t index, T* argument) const { |
157 COMPILE_ASSERT(sizeof(T) <= sizeof(arguments_[0]), invalid_size); | 157 static_assert(sizeof(T) <= sizeof(arguments_[0]), "invalid size"); |
158 *argument = *reinterpret_cast<const T*>(&arguments_[index].mem); | 158 *argument = *reinterpret_cast<const T*>(&arguments_[index].mem); |
159 } | 159 } |
160 | 160 |
161 // Sets a stored argument by index. Valid index values are | 161 // Sets a stored argument by index. Valid index values are |
162 // from 0 to < kArgumentCount. | 162 // from 0 to < kArgumentCount. |
163 template <typename T> | 163 template <typename T> |
164 void SetArgument(size_t index, const T& argument) { | 164 void SetArgument(size_t index, const T& argument) { |
165 COMPILE_ASSERT(sizeof(T) <= sizeof(arguments_[0]), invalid_size); | 165 static_assert(sizeof(T) <= sizeof(arguments_[0]), "invalid size"); |
166 *reinterpret_cast<T*>(&arguments_[index].mem) = argument; | 166 *reinterpret_cast<T*>(&arguments_[index].mem) = argument; |
167 } | 167 } |
168 | 168 |
169 // Retrieves the actual address of an string argument. When using | 169 // Retrieves the actual address of an string argument. When using |
170 // GetArgument() to retrieve an index that contains a string, the returned | 170 // GetArgument() to retrieve an index that contains a string, the returned |
171 // value is just an offset to the actual string. | 171 // value is just an offset to the actual string. |
172 // index: the stored string index. Valid values are from 0 | 172 // index: the stored string index. Valid values are from 0 |
173 // to < kArgumentCount. | 173 // to < kArgumentCount. |
174 const wchar_t* GetRelativeString(size_t index) const { | 174 const wchar_t* GetRelativeString(size_t index) const { |
175 ptrdiff_t str_delta = 0; | 175 ptrdiff_t str_delta = 0; |
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377 // used to make the opcodes. This pointer decrements as opcode strings are | 377 // used to make the opcodes. This pointer decrements as opcode strings are |
378 // allocated. | 378 // allocated. |
379 char* memory_bottom_; | 379 char* memory_bottom_; |
380 | 380 |
381 DISALLOW_COPY_AND_ASSIGN(OpcodeFactory); | 381 DISALLOW_COPY_AND_ASSIGN(OpcodeFactory); |
382 }; | 382 }; |
383 | 383 |
384 } // namespace sandbox | 384 } // namespace sandbox |
385 | 385 |
386 #endif // SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ | 386 #endif // SANDBOX_WIN_SRC_POLICY_ENGINE_OPCODES_H_ |
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