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23 | #include <new> |
23 | #include <new> |
24 | |
24 | |
25 | #if ECB_CPP11 |
25 | #if ECB_CPP11 |
26 | #include <type_traits> |
26 | #include <type_traits> |
27 | #endif |
27 | #endif |
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28 | |
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29 | namespace estl |
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30 | { |
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31 | #if ESTL_LARGE_MEMORY_MODEL |
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32 | // should use size_t/ssize_t, but that's not portable enough for us |
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33 | typedef unsigned long size_type; |
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34 | typedef long difference_type; |
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35 | #else |
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36 | typedef uint32_t size_type; |
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37 | typedef int32_t difference_type; |
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38 | #endif |
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39 | |
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40 | template<typename T> |
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41 | struct scoped_ptr |
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42 | { |
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43 | T *p; |
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44 | |
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45 | scoped_ptr () : p (0) { } |
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46 | |
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47 | explicit |
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48 | scoped_ptr (T *a) : p (a) { } |
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49 | |
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50 | ~scoped_ptr () |
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51 | { |
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52 | delete p; |
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53 | } |
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54 | |
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55 | void reset (T *a) |
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56 | { |
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57 | delete p; |
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58 | p = a; |
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59 | } |
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60 | |
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61 | T *operator ->() const { return p; } |
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62 | T &operator *() const { return *p; } |
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63 | |
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64 | operator T *() { return p; } |
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65 | T *get () const { return p; } |
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66 | }; |
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67 | |
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68 | template<typename T> |
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69 | struct scoped_array |
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70 | { |
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71 | T *p; |
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72 | |
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73 | scoped_array () : p (0) { } |
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74 | |
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75 | explicit |
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76 | scoped_array (T *a) : p (a) { } |
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77 | |
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78 | ~scoped_array () |
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79 | { |
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80 | delete [] p; |
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81 | } |
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82 | |
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83 | void reset (T *a) |
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84 | { |
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85 | delete [] p; |
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86 | p = a; |
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87 | } |
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88 | |
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89 | T & operator [](size_type idx) const { return p[idx]; } |
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90 | |
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91 | operator T *() { return p; } |
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92 | T *get () const { return p; } |
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93 | }; |
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94 | } |
28 | |
95 | |
29 | // original version taken from MICO, but this has been completely rewritten |
96 | // original version taken from MICO, but this has been completely rewritten |
30 | // known limitations w.r.t. std::vector |
97 | // known limitations w.r.t. std::vector |
31 | // - many methods missing |
98 | // - many methods missing |
32 | // - no error checking, no exceptions thrown (e.g. at()) |
99 | // - no error checking, no exceptions thrown (e.g. at()) |
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36 | // - we don't care about namespaces and stupid macros the user might define |
103 | // - we don't care about namespaces and stupid macros the user might define |
37 | // - no bool specialisation |
104 | // - no bool specialisation |
38 | template<class T> |
105 | template<class T> |
39 | struct simplevec |
106 | struct simplevec |
40 | { |
107 | { |
41 | #if ESTL_BIG_VECTOR |
108 | typedef estl::size_type size_type; |
42 | // shoudl use size_t/ssize_t, but that's not portable enough for us |
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43 | typedef unsigned long size_type; |
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44 | typedef long difference_type; |
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45 | #else |
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46 | typedef uint32_t size_type; |
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47 | typedef int32_t difference_type; |
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48 | #endif |
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49 | |
109 | |
50 | typedef T value_type; |
110 | typedef T value_type; |
51 | typedef T *iterator; |
111 | typedef T *iterator; |
52 | typedef const T *const_iterator; |
112 | typedef const T *const_iterator; |
53 | typedef T *pointer; |
113 | typedef T *pointer; |
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65 | // "not simple enough" will use the slow path. |
125 | // "not simple enough" will use the slow path. |
66 | static bool is_simple_enough () |
126 | static bool is_simple_enough () |
67 | { |
127 | { |
68 | #if ECB_CPP11 |
128 | #if ECB_CPP11 |
69 | return std::is_trivially_assignable<T, T>::value |
129 | return std::is_trivially_assignable<T, T>::value |
70 | && std::is_trivially_constructable<T>::value |
130 | && std::is_trivially_constructible<T>::value |
71 | && std::is_trivially_copyable<T>::value |
131 | && std::is_trivially_copyable<T>::value |
72 | && std::is_trivially_destructible<T>::value; |
132 | && std::is_trivially_destructible<T>::value; |
73 | #elif ECB_GCC_VERSION(4,4) |
133 | #elif ECB_GCC_VERSION(4,4) || ECB_CLANG_VERSION(2,8) |
74 | return __has_trivial_assign (T) |
134 | return __has_trivial_assign (T) |
75 | && __has_trivial_constructor (T) |
135 | && __has_trivial_constructor (T) |
76 | && __has_trivial_copy (T) |
136 | && __has_trivial_copy (T) |
77 | && __has_trivial_destructor (T); |
137 | && __has_trivial_destructor (T); |
78 | #else |
138 | #else |
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216 | |
276 | |
217 | while (n--) |
277 | while (n--) |
218 | new (buf + n) T (t); |
278 | new (buf + n) T (t); |
219 | } |
279 | } |
220 | |
280 | |
221 | template<class I> |
281 | simplevec (const_iterator first, const_iterator last) |
222 | simplevec (I first, I last) |
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223 | { |
282 | { |
224 | sze = res = last - first; |
283 | sze = res = last - first; |
225 | buf = alloc (sze); |
284 | buf = alloc (sze); |
226 | copy (buf, first, sze, cop_new); |
285 | copy (buf, first, sze, cop_new); |
227 | } |
286 | } |
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267 | reference operator [](size_type idx) { return buf[idx]; } |
326 | reference operator [](size_type idx) { return buf[idx]; } |
268 | |
327 | |
269 | const_reference at (size_type idx) const { return buf [idx]; } |
328 | const_reference at (size_type idx) const { return buf [idx]; } |
270 | reference at (size_type idx) { return buf [idx]; } |
329 | reference at (size_type idx) { return buf [idx]; } |
271 | |
330 | |
272 | template<class I> |
331 | void assign (const_iterator first, const_iterator last) |
273 | void assign (I first, I last) |
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274 | { |
332 | { |
275 | swap (simplevec<T> (first, last)); |
333 | simplevec<T> v (first, last); |
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334 | swap (v); |
276 | } |
335 | } |
277 | |
336 | |
278 | void assign (size_type n, const T &t) |
337 | void assign (size_type n, const T &t) |
279 | { |
338 | { |
280 | swap (simplevec<T> (n, t)); |
339 | simplevec<T> v (n, t); |
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340 | swap (v); |
281 | } |
341 | } |
282 | |
342 | |
283 | simplevec<T> &operator= (const simplevec<T> &v) |
343 | simplevec<T> &operator= (const simplevec<T> &v) |
284 | { |
344 | { |
285 | assign (v.begin (), v.end ()); |
345 | assign (v.begin (), v.end ()); |
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294 | buf [at] = t; |
354 | buf [at] = t; |
295 | |
355 | |
296 | return buf + at; |
356 | return buf + at; |
297 | } |
357 | } |
298 | |
358 | |
299 | template<class I> |
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300 | iterator insert (iterator pos, I first, I last) |
359 | iterator insert (iterator pos, const_iterator first, const_iterator last) |
301 | { |
360 | { |
302 | size_type n = last - first; |
361 | size_type n = last - first; |
303 | size_type at = pos - begin (); |
362 | size_type at = pos - begin (); |
304 | |
363 | |
305 | ins (pos, n); |
364 | ins (pos, n); |