| license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame^] | 1 | // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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| 2 | // Use of this source code is governed by a BSD-style license that can be
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| 3 | // found in the LICENSE file.
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| 4 |
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| 5 | #ifndef BASE_NOTIMPLEMENTED_H_
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| 6 | #define BASE_NOTIMPLEMENTED_H_
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| 7 |
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| 8 | #include "base/basictypes.h"
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| 9 | #include "base/logging.h"
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| 10 |
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| 11 | // The NOTIMPLEMENTED() macro annotates codepaths which have
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| 12 | // not been implemented yet.
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| 13 | //
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| 14 | // The implementation of this macro is controlled by NOTIMPLEMENTED_POLICY:
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| 15 | // 0 -- Do nothing (stripped by compiler)
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| 16 | // 1 -- Warn at compile time
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| 17 | // 2 -- Fail at compile time
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| 18 | // 3 -- Fail at runtime (DCHECK)
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| 19 | // 4 -- [default] LOG(ERROR) at runtime
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| 20 | // 5 -- LOG(ERROR) at runtime, only once per call-site
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| 21 |
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| 22 | #ifndef NOTIMPLEMENTED_POLICY
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| 23 | // Select default policy: LOG(ERROR)
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| 24 | #define NOTIMPLEMENTED_POLICY 4
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| 25 | #endif
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| 26 |
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| 27 | #if NOTIMPLEMENTED_POLICY == 0
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| 28 | #define NOTIMPLEMENTED() ;
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| 29 | #elif NOTIMPLEMENTED_POLICY == 1
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| 30 | // TODO, figure out how to generate a warning
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| 31 | #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED)
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| 32 | #elif NOTIMPLEMENTED_POLICY == 2
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| 33 | #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED)
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| 34 | #elif NOTIMPLEMENTED_POLICY == 3
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| 35 | #define NOTIMPLEMENTED() NOTREACHED()
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| 36 | #elif NOTIMPLEMENTED_POLICY == 4
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| 37 | #define NOTIMPLEMENTED() LOG(ERROR) << "NOT IMPLEMENTED!"
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| 38 | #elif NOTIMPLEMENTED_POLICY == 5
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| 39 | #define NOTIMPLEMENTED() do {\
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| 40 | static int count = 0;\
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| 41 | LOG_IF(ERROR, 0 == count++) << "NOT IMPLEMENTED!";\
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| 42 | } while(0)
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| 43 | #endif
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| 44 |
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| 45 | #endif // BASE_NOTIMPLEMENTED_H_
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| 46 |
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