| … | |
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| 33 | # define is_constant(c) 0 |
33 | # define is_constant(c) 0 |
| 34 | # define expect(expr,value) (expr) |
34 | # define expect(expr,value) (expr) |
| 35 | # define prefetch(addr,rw,locality) |
35 | # define prefetch(addr,rw,locality) |
| 36 | #endif |
36 | #endif |
| 37 | |
37 | |
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38 | #if __GNUC__ < 4 || (__GNUC__ == 4 || __GNUC_MINOR__ < 4) |
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39 | # define decltype(x) typeof(x) |
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40 | #endif |
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41 | |
| 38 | // put into ifs if you are very sure that the expression |
42 | // put into ifs if you are very sure that the expression |
| 39 | // is mostly true or mosty false. note that these return |
43 | // is mostly true or mosty false. note that these return |
| 40 | // booleans, not the expression. |
44 | // booleans, not the expression. |
| 41 | #define expect_false(expr) expect ((expr) != 0, 0) |
45 | #define expect_false(expr) expect ((expr) != 0, 0) |
| 42 | #define expect_true(expr) expect ((expr) != 0, 1) |
46 | #define expect_true(expr) expect ((expr) != 0, 1) |
| … | |
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| 50 | |
54 | |
| 51 | #include <shstr.h> |
55 | #include <shstr.h> |
| 52 | #include <traits.h> |
56 | #include <traits.h> |
| 53 | |
57 | |
| 54 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
58 | // use a gcc extension for auto declarations until ISO C++ sanctifies them |
| 55 | #define auto(var,expr) typeof(expr) var = (expr) |
59 | #define auto(var,expr) decltype(expr) var = (expr) |
| 56 | |
60 | |
| 57 | // very ugly macro that basicaly declares and initialises a variable |
61 | // very ugly macro that basicaly declares and initialises a variable |
| 58 | // that is in scope for the next statement only |
62 | // that is in scope for the next statement only |
| 59 | // works only for stuff that can be assigned 0 and converts to false |
63 | // works only for stuff that can be assigned 0 and converts to false |
| 60 | // (note: works great for pointers) |
64 | // (note: works great for pointers) |
| 61 | // most ugly macro I ever wrote |
65 | // most ugly macro I ever wrote |
| 62 | #define declvar(type, name, value) if (type name = 0) { } else if (((name) = (value)), 1) |
66 | #define statementvar(type, name, value) if (type name = 0) { } else if (((name) = (value)), 1) |
| 63 | |
67 | |
| 64 | // in range including end |
68 | // in range including end |
| 65 | #define IN_RANGE_INC(val,beg,end) \ |
69 | #define IN_RANGE_INC(val,beg,end) \ |
| 66 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
70 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
| 67 | |
71 | |
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| 423 | }; |
427 | }; |
| 424 | |
428 | |
| 425 | template<class T, int T::* index> |
429 | template<class T, int T::* index> |
| 426 | struct object_vector : std::vector<T *, slice_allocator<T *> > |
430 | struct object_vector : std::vector<T *, slice_allocator<T *> > |
| 427 | { |
431 | { |
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432 | typedef typename object_vector::iterator iterator; |
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433 | |
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434 | bool contains (const T *obj) const |
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435 | { |
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436 | return obj->*index; |
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437 | } |
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438 | |
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439 | iterator find (const T *obj) |
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440 | { |
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441 | return obj->*index |
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442 | ? this->begin () + obj->*index - 1 |
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443 | : this->end (); |
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444 | } |
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445 | |
| 428 | void insert (T *obj) |
446 | void insert (T *obj) |
| 429 | { |
447 | { |
| 430 | assert (!(obj->*index)); |
448 | assert (!(obj->*index)); |
| 431 | push_back (obj); |
449 | push_back (obj); |
| 432 | obj->*index = this->size (); |
450 | obj->*index = this->size (); |
