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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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56 int line, | 56 int line, |
57 const char* source, | 57 const char* source, |
58 bool condition) { | 58 bool condition) { |
59 if (!condition) | 59 if (!condition) |
60 V8_Fatal(file, line, "CHECK(%s) failed", source); | 60 V8_Fatal(file, line, "CHECK(%s) failed", source); |
61 } | 61 } |
62 | 62 |
63 | 63 |
64 // The CHECK macro checks that the given condition is true; if not, it | 64 // The CHECK macro checks that the given condition is true; if not, it |
65 // prints a message to stderr and aborts. | 65 // prints a message to stderr and aborts. |
66 #define CHECK(condition) CheckHelper(__FILE__, __LINE__, #condition, condition) | 66 #define CHECK(condition) do { \ |
| 67 if (!(condition)) CheckHelper(__FILE__, __LINE__, #condition, false); \ |
| 68 } while (0) |
67 | 69 |
68 | 70 |
69 // Helper function used by the CHECK_EQ function when given int | 71 // Helper function used by the CHECK_EQ function when given int |
70 // arguments. Should not be called directly. | 72 // arguments. Should not be called directly. |
71 static inline void CheckEqualsHelper(const char* file, int line, | 73 static inline void CheckEqualsHelper(const char* file, int line, |
72 const char* expected_source, int expected, | 74 const char* expected_source, int expected, |
73 const char* value_source, int value) { | 75 const char* value_source, int value) { |
74 if (expected != value) { | 76 if (expected != value) { |
75 V8_Fatal(file, line, | 77 V8_Fatal(file, line, |
76 "CHECK_EQ(%s, %s) failed\n# Expected: %i\n# Found: %i", | 78 "CHECK_EQ(%s, %s) failed\n# Expected: %i\n# Found: %i", |
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250 // it can be used wherever a typedef can be used. Beware that this | 252 // it can be used wherever a typedef can be used. Beware that this |
251 // actually causes each use to introduce a new defined type with a | 253 // actually causes each use to introduce a new defined type with a |
252 // name depending on the source line. | 254 // name depending on the source line. |
253 template <int> class StaticAssertionHelper { }; | 255 template <int> class StaticAssertionHelper { }; |
254 #define STATIC_CHECK(test) \ | 256 #define STATIC_CHECK(test) \ |
255 typedef \ | 257 typedef \ |
256 StaticAssertionHelper<sizeof(StaticAssertion<static_cast<bool>((test))>)> \ | 258 StaticAssertionHelper<sizeof(StaticAssertion<static_cast<bool>((test))>)> \ |
257 SEMI_STATIC_JOIN(__StaticAssertTypedef__, __LINE__) | 259 SEMI_STATIC_JOIN(__StaticAssertTypedef__, __LINE__) |
258 | 260 |
259 | 261 |
260 namespace v8 { namespace internal { | 262 extern bool FLAG_enable_slow_asserts; |
261 | 263 |
262 bool EnableSlowAsserts(); | |
263 | |
264 } } // namespace v8::internal | |
265 | 264 |
266 // The ASSERT macro is equivalent to CHECK except that it only | 265 // The ASSERT macro is equivalent to CHECK except that it only |
267 // generates code in debug builds. | 266 // generates code in debug builds. |
268 #ifdef DEBUG | 267 #ifdef DEBUG |
269 #define ASSERT_RESULT(expr) CHECK(expr) | 268 #define ASSERT_RESULT(expr) CHECK(expr) |
270 #define ASSERT(condition) CHECK(condition) | 269 #define ASSERT(condition) CHECK(condition) |
271 #define ASSERT_EQ(v1, v2) CHECK_EQ(v1, v2) | 270 #define ASSERT_EQ(v1, v2) CHECK_EQ(v1, v2) |
272 #define ASSERT_NE(v1, v2) CHECK_NE(v1, v2) | 271 #define ASSERT_NE(v1, v2) CHECK_NE(v1, v2) |
273 #define ASSERT_GE(v1, v2) CHECK_GE(v1, v2) | 272 #define ASSERT_GE(v1, v2) CHECK_GE(v1, v2) |
274 #define ASSERT_LT(v1, v2) CHECK_LT(v1, v2) | 273 #define ASSERT_LT(v1, v2) CHECK_LT(v1, v2) |
275 #define ASSERT_LE(v1, v2) CHECK_LE(v1, v2) | 274 #define ASSERT_LE(v1, v2) CHECK_LE(v1, v2) |
276 #define SLOW_ASSERT(condition) if (EnableSlowAsserts()) CHECK(condition) | 275 #define SLOW_ASSERT(condition) if (FLAG_enable_slow_asserts) CHECK(condition) |
277 #else | 276 #else |
278 #define ASSERT_RESULT(expr) (expr) | 277 #define ASSERT_RESULT(expr) (expr) |
279 #define ASSERT(condition) ((void) 0) | 278 #define ASSERT(condition) ((void) 0) |
280 #define ASSERT_EQ(v1, v2) ((void) 0) | 279 #define ASSERT_EQ(v1, v2) ((void) 0) |
281 #define ASSERT_NE(v1, v2) ((void) 0) | 280 #define ASSERT_NE(v1, v2) ((void) 0) |
282 #define ASSERT_GE(v1, v2) ((void) 0) | 281 #define ASSERT_GE(v1, v2) ((void) 0) |
283 #define ASSERT_LT(v1, v2) ((void) 0) | 282 #define ASSERT_LT(v1, v2) ((void) 0) |
284 #define ASSERT_LE(v1, v2) ((void) 0) | 283 #define ASSERT_LE(v1, v2) ((void) 0) |
285 #define SLOW_ASSERT(condition) ((void) 0) | 284 #define SLOW_ASSERT(condition) ((void) 0) |
286 #endif | 285 #endif |
287 // Static asserts has no impact on runtime performance, so they can be | 286 // Static asserts has no impact on runtime performance, so they can be |
288 // safely enabled in release mode. Moreover, the ((void) 0) expression | 287 // safely enabled in release mode. Moreover, the ((void) 0) expression |
289 // obeys different syntax rules than typedef's, e.g. it can't appear | 288 // obeys different syntax rules than typedef's, e.g. it can't appear |
290 // inside class declaration, this leads to inconsistency between debug | 289 // inside class declaration, this leads to inconsistency between debug |
291 // and release compilation modes behavior. | 290 // and release compilation modes behavior. |
292 #define STATIC_ASSERT(test) STATIC_CHECK(test) | 291 #define STATIC_ASSERT(test) STATIC_CHECK(test) |
293 | 292 |
294 #define ASSERT_NOT_NULL(p) ASSERT_NE(NULL, p) | 293 #define ASSERT_NOT_NULL(p) ASSERT_NE(NULL, p) |
295 | 294 |
296 #endif // V8_CHECKS_H_ | 295 #endif // V8_CHECKS_H_ |
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