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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_CHECKS_H_ | 28 #ifndef V8_CHECKS_H_ |
29 #define V8_CHECKS_H_ | 29 #define V8_CHECKS_H_ |
30 | 30 |
31 #include <string.h> | 31 #include <string.h> |
32 | 32 |
33 #include "flags.h" | 33 #include "../include/v8stdint.h" |
34 | 34 |
35 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...); | 35 extern "C" void V8_Fatal(const char* file, int line, const char* format, ...); |
36 void API_Fatal(const char* location, const char* format, ...); | 36 void API_Fatal(const char* location, const char* format, ...); |
37 | 37 |
38 // The FATAL, UNREACHABLE and UNIMPLEMENTED macros are useful during | 38 // The FATAL, UNREACHABLE and UNIMPLEMENTED macros are useful during |
39 // development, but they should not be relied on in the final product. | 39 // development, but they should not be relied on in the final product. |
40 #ifdef DEBUG | 40 #ifdef DEBUG |
41 #define FATAL(msg) \ | 41 #define FATAL(msg) \ |
42 V8_Fatal(__FILE__, __LINE__, "%s", (msg)) | 42 V8_Fatal(__FILE__, __LINE__, "%s", (msg)) |
43 #define UNIMPLEMENTED() \ | 43 #define UNIMPLEMENTED() \ |
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272 // it can be used wherever a typedef can be used. Beware that this | 272 // it can be used wherever a typedef can be used. Beware that this |
273 // actually causes each use to introduce a new defined type with a | 273 // actually causes each use to introduce a new defined type with a |
274 // name depending on the source line. | 274 // name depending on the source line. |
275 template <int> class StaticAssertionHelper { }; | 275 template <int> class StaticAssertionHelper { }; |
276 #define STATIC_CHECK(test) \ | 276 #define STATIC_CHECK(test) \ |
277 typedef \ | 277 typedef \ |
278 StaticAssertionHelper<sizeof(StaticAssertion<static_cast<bool>(test)>)> \ | 278 StaticAssertionHelper<sizeof(StaticAssertion<static_cast<bool>(test)>)> \ |
279 SEMI_STATIC_JOIN(__StaticAssertTypedef__, __LINE__) | 279 SEMI_STATIC_JOIN(__StaticAssertTypedef__, __LINE__) |
280 | 280 |
281 | 281 |
| 282 namespace v8 { namespace internal { |
| 283 |
| 284 bool EnableSlowAsserts(); |
| 285 |
| 286 } } // namespace v8::internal |
| 287 |
282 // The ASSERT macro is equivalent to CHECK except that it only | 288 // The ASSERT macro is equivalent to CHECK except that it only |
283 // generates code in debug builds. | 289 // generates code in debug builds. |
284 #ifdef DEBUG | 290 #ifdef DEBUG |
285 #define ASSERT_RESULT(expr) CHECK(expr) | 291 #define ASSERT_RESULT(expr) CHECK(expr) |
286 #define ASSERT(condition) CHECK(condition) | 292 #define ASSERT(condition) CHECK(condition) |
287 #define ASSERT_EQ(v1, v2) CHECK_EQ(v1, v2) | 293 #define ASSERT_EQ(v1, v2) CHECK_EQ(v1, v2) |
288 #define ASSERT_NE(v1, v2) CHECK_NE(v1, v2) | 294 #define ASSERT_NE(v1, v2) CHECK_NE(v1, v2) |
289 #define ASSERT_GE(v1, v2) CHECK_GE(v1, v2) | 295 #define ASSERT_GE(v1, v2) CHECK_GE(v1, v2) |
290 #define SLOW_ASSERT(condition) if (FLAG_enable_slow_asserts) CHECK(condition) | 296 #define SLOW_ASSERT(condition) if (EnableSlowAsserts()) CHECK(condition) |
291 #else | 297 #else |
292 #define ASSERT_RESULT(expr) (expr) | 298 #define ASSERT_RESULT(expr) (expr) |
293 #define ASSERT(condition) ((void) 0) | 299 #define ASSERT(condition) ((void) 0) |
294 #define ASSERT_EQ(v1, v2) ((void) 0) | 300 #define ASSERT_EQ(v1, v2) ((void) 0) |
295 #define ASSERT_NE(v1, v2) ((void) 0) | 301 #define ASSERT_NE(v1, v2) ((void) 0) |
296 #define ASSERT_GE(v1, v2) ((void) 0) | 302 #define ASSERT_GE(v1, v2) ((void) 0) |
297 #define SLOW_ASSERT(condition) ((void) 0) | 303 #define SLOW_ASSERT(condition) ((void) 0) |
298 #endif | 304 #endif |
299 // Static asserts has no impact on runtime performance, so they can be | 305 // Static asserts has no impact on runtime performance, so they can be |
300 // safely enabled in release mode. Moreover, the ((void) 0) expression | 306 // safely enabled in release mode. Moreover, the ((void) 0) expression |
301 // obeys different syntax rules than typedef's, e.g. it can't appear | 307 // obeys different syntax rules than typedef's, e.g. it can't appear |
302 // inside class declaration, this leads to inconsistency between debug | 308 // inside class declaration, this leads to inconsistency between debug |
303 // and release compilation modes behaviour. | 309 // and release compilation modes behaviour. |
304 #define STATIC_ASSERT(test) STATIC_CHECK(test) | 310 #define STATIC_ASSERT(test) STATIC_CHECK(test) |
305 | 311 |
| 312 namespace v8 { namespace internal { |
| 313 |
| 314 intptr_t HeapObjectTagMask(); |
| 315 |
| 316 } } // namespace v8::internal |
306 | 317 |
307 #define ASSERT_TAG_ALIGNED(address) \ | 318 #define ASSERT_TAG_ALIGNED(address) \ |
308 ASSERT((reinterpret_cast<intptr_t>(address) & kHeapObjectTagMask) == 0) | 319 ASSERT((reinterpret_cast<intptr_t>(address) & HeapObjectTagMask()) == 0) |
309 | 320 |
310 #define ASSERT_SIZE_TAG_ALIGNED(size) ASSERT((size & kHeapObjectTagMask) == 0) | 321 #define ASSERT_SIZE_TAG_ALIGNED(size) ASSERT((size & HeapObjectTagMask()) == 0) |
311 | 322 |
312 #define ASSERT_NOT_NULL(p) ASSERT_NE(NULL, p) | 323 #define ASSERT_NOT_NULL(p) ASSERT_NE(NULL, p) |
313 | 324 |
314 #endif // V8_CHECKS_H_ | 325 #endif // V8_CHECKS_H_ |
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