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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_GLOBALS_H_ | 28 #ifndef V8_GLOBALS_H_ |
29 #define V8_GLOBALS_H_ | 29 #define V8_GLOBALS_H_ |
30 | 30 |
31 #include "../include/v8stdint.h" | 31 #include "../include/v8stdint.h" |
32 | 32 |
33 // Find a working V8_INFINITY. | |
34 #if V8_CC_GNU | |
35 // Unfortunately, the INFINITY macro cannot be used with the '-pedantic' | 33 // Unfortunately, the INFINITY macro cannot be used with the '-pedantic' |
36 // warning flag and certain versions of GCC due to a bug: | 34 // warning flag and certain versions of GCC due to a bug: |
37 // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11931 | 35 // http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11931 |
38 // For now, we use the more involved template-based version from <limits>, but | 36 // For now, we use the more involved template-based version from <limits>, but |
39 // only when compiling with GCC versions affected by the bug (2.96.x - 4.0.x) | 37 // only when compiling with GCC versions affected by the bug (2.96.x - 4.0.x) |
40 # if V8_GNUC_PREREQ(2, 96, 0) && !V8_GNUC_PREREQ(4, 1, 0) | 38 #if V8_CC_GNU && V8_GNUC_PREREQ(2, 96, 0) && !V8_GNUC_PREREQ(4, 1, 0) |
41 # include <limits> // NOLINT | 39 # include <limits> // NOLINT |
42 # define V8_INFINITY std::numeric_limits<double>::infinity() | 40 # define V8_INFINITY std::numeric_limits<double>::infinity() |
43 # else | |
44 # define V8_INFINITY INFINITY | |
45 # endif | |
46 #elif V8_CC_MSVC | 41 #elif V8_CC_MSVC |
47 # define V8_INFINITY HUGE_VAL | 42 # define V8_INFINITY HUGE_VAL |
48 #else | 43 #else |
49 # define V8_INFINITY INFINITY | 44 # define V8_INFINITY INFINITY |
50 #endif | 45 #endif |
51 | 46 |
52 namespace v8 { | 47 namespace v8 { |
53 namespace internal { | 48 namespace internal { |
54 | 49 |
55 // Processor architecture detection. For more info on what's defined, see: | 50 // Processor architecture detection. For more info on what's defined, see: |
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430 // the backend, so both modes are represented by the kStrictMode value. | 425 // the backend, so both modes are represented by the kStrictMode value. |
431 enum StrictModeFlag { | 426 enum StrictModeFlag { |
432 kNonStrictMode, | 427 kNonStrictMode, |
433 kStrictMode | 428 kStrictMode |
434 }; | 429 }; |
435 | 430 |
436 | 431 |
437 } } // namespace v8::internal | 432 } } // namespace v8::internal |
438 | 433 |
439 #endif // V8_GLOBALS_H_ | 434 #endif // V8_GLOBALS_H_ |
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