| // Copyright 2008, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef BASE_NOTIMPLEMENTED_H_ |
| #define BASE_NOTIMPLEMENTED_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/logging.h" |
| |
| // The NOTIMPLEMENTED() macro annotates codepaths which have |
| // not been implemented yet. |
| // |
| // The implementation of this macro is controlled by NOTIMPLEMENTED_POLICY: |
| // 0 -- Do nothing (stripped by compiler) |
| // 1 -- Warn at compile time |
| // 2 -- Fail at compile time |
| // 3 -- Fail at runtime (DCHECK) |
| // 4 -- [default] LOG(ERROR) at runtime |
| // 5 -- LOG(ERROR) at runtime, only once per call-site |
| |
| #ifndef NOTIMPLEMENTED_POLICY |
| // Select default policy: LOG(ERROR) |
| #define NOTIMPLEMENTED_POLICY 4 |
| #endif |
| |
| #if NOTIMPLEMENTED_POLICY == 0 |
| #define NOTIMPLEMENTED() ; |
| #elif NOTIMPLEMENTED_POLICY == 1 |
| // TODO, figure out how to generate a warning |
| #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED) |
| #elif NOTIMPLEMENTED_POLICY == 2 |
| #define NOTIMPLEMENTED() COMPILE_ASSERT(false, NOT_IMPLEMENTED) |
| #elif NOTIMPLEMENTED_POLICY == 3 |
| #define NOTIMPLEMENTED() NOTREACHED() |
| #elif NOTIMPLEMENTED_POLICY == 4 |
| #define NOTIMPLEMENTED() LOG(ERROR) << "NOT IMPLEMENTED!" |
| #elif NOTIMPLEMENTED_POLICY == 5 |
| #define NOTIMPLEMENTED() do {\ |
| static int count = 0;\ |
| LOG_IF(ERROR, 0 == count++) << "NOT IMPLEMENTED!";\ |
| } while(0) |
| #endif |
| |
| #endif // BASE_NOTIMPLEMENTED_H_ |