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7adcdf08 SM |
1 | // Components for manipulating non-owning sequences of characters -*- C++ -*- |
2 | ||
1a5c2598 TT |
3 | |
4 | #ifndef COMMON_GDB_STRING_VIEW_H | |
5 | #define COMMON_GDB_STRING_VIEW_H | |
6 | ||
8345c4a2 SM |
7 | // Note: This file has been stolen from the gcc repo |
8 | // (libstdc++-v3/include/experimental/string_view) and has local modifications. | |
9 | ||
b811d2c2 | 10 | // Copyright (C) 2013-2020 Free Software Foundation, Inc. |
7adcdf08 SM |
11 | // |
12 | // This file is part of the GNU ISO C++ Library. This library is free | |
13 | // software; you can redistribute it and/or modify it under the | |
14 | // terms of the GNU General Public License as published by the | |
15 | // Free Software Foundation; either version 3, or (at your option) | |
16 | // any later version. | |
17 | ||
18 | // This library is distributed in the hope that it will be useful, | |
19 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | // GNU General Public License for more details. | |
22 | ||
23 | // Under Section 7 of GPL version 3, you are granted additional | |
24 | // permissions described in the GCC Runtime Library Exception, version | |
25 | // 3.1, as published by the Free Software Foundation. | |
26 | ||
27 | // You should have received a copy of the GNU General Public License and | |
28 | // a copy of the GCC Runtime Library Exception along with this program; | |
29 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
30 | // <http://www.gnu.org/licenses/>. | |
31 | ||
7adcdf08 SM |
32 | // |
33 | // N3762 basic_string_view library | |
34 | // | |
35 | ||
8345c4a2 SM |
36 | |
37 | #if __cplusplus >= 201703L | |
7adcdf08 | 38 | |
8345c4a2 | 39 | #include <string_view> |
7adcdf08 | 40 | |
8345c4a2 SM |
41 | namespace gdb { |
42 | using string_view = std::string_view; | |
43 | } /* namespace gdb */ | |
44 | ||
45 | #else /* __cplusplus < 201703L */ | |
7adcdf08 SM |
46 | |
47 | #include <string> | |
48 | #include <limits> | |
70054538 | 49 | #include "gdb_assert.h" |
7adcdf08 | 50 | |
8345c4a2 | 51 | namespace gdb { |
7adcdf08 SM |
52 | |
53 | /** | |
54 | * @class basic_string_view <experimental/string_view> | |
55 | * @brief A non-owning reference to a string. | |
56 | * | |
57 | * @ingroup strings | |
58 | * @ingroup sequences | |
59 | * @ingroup experimental | |
60 | * | |
61 | * @tparam _CharT Type of character | |
62 | * @tparam _Traits Traits for character type, defaults to | |
63 | * char_traits<_CharT>. | |
64 | * | |
65 | * A basic_string_view looks like this: | |
66 | * | |
67 | * @code | |
68 | * _CharT* _M_str | |
69 | * size_t _M_len | |
70 | * @endcode | |
71 | */ | |
72 | template<typename _CharT, typename _Traits = std::char_traits<_CharT>> | |
73 | class basic_string_view | |
74 | { | |
75 | public: | |
76 | ||
77 | // types | |
78 | using traits_type = _Traits; | |
79 | using value_type = _CharT; | |
80 | using pointer = const _CharT*; | |
81 | using const_pointer = const _CharT*; | |
82 | using reference = const _CharT&; | |
83 | using const_reference = const _CharT&; | |
84 | using const_iterator = const _CharT*; | |
85 | using iterator = const_iterator; | |
86 | using const_reverse_iterator = std::reverse_iterator<const_iterator>; | |
87 | using reverse_iterator = const_reverse_iterator; | |
88 | using size_type = size_t; | |
89 | using difference_type = ptrdiff_t; | |
90 | static constexpr size_type npos = size_type(-1); | |
91 | ||
92 | // [string.view.cons], construct/copy | |
93 | ||
94 | constexpr | |
95 | basic_string_view() noexcept | |
96 | : _M_len{0}, _M_str{nullptr} | |
97 | { } | |
98 | ||
99 | constexpr basic_string_view(const basic_string_view&) noexcept = default; | |
100 | ||
101 | template<typename _Allocator> | |
8345c4a2 | 102 | basic_string_view(const std::basic_string<_CharT, _Traits, |
7adcdf08 SM |
103 | _Allocator>& __str) noexcept |
104 | : _M_len{__str.length()}, _M_str{__str.data()} | |
105 | { } | |
106 | ||
8345c4a2 | 107 | /*constexpr*/ basic_string_view(const _CharT* __str) |
7adcdf08 SM |
108 | : _M_len{__str == nullptr ? 0 : traits_type::length(__str)}, |
109 | _M_str{__str} | |
110 | { } | |
111 | ||
112 | constexpr basic_string_view(const _CharT* __str, size_type __len) | |
113 | : _M_len{__len}, | |
114 | _M_str{__str} | |
115 | { } | |
116 | ||
117 | basic_string_view& | |
118 | operator=(const basic_string_view&) noexcept = default; | |
119 | ||
120 | // [string.view.iterators], iterators | |
121 | ||
122 | constexpr const_iterator | |
123 | begin() const noexcept | |
124 | { return this->_M_str; } | |
125 | ||
126 | constexpr const_iterator | |
127 | end() const noexcept | |
128 | { return this->_M_str + this->_M_len; } | |
129 | ||
130 | constexpr const_iterator | |
131 | cbegin() const noexcept | |
132 | { return this->_M_str; } | |
133 | ||
134 | constexpr const_iterator | |
135 | cend() const noexcept | |
136 | { return this->_M_str + this->_M_len; } | |
137 | ||
138 | const_reverse_iterator | |
139 | rbegin() const noexcept | |
140 | { return const_reverse_iterator(this->end()); } | |
141 | ||
142 | const_reverse_iterator | |
143 | rend() const noexcept | |
144 | { return const_reverse_iterator(this->begin()); } | |
145 | ||
146 | const_reverse_iterator | |
147 | crbegin() const noexcept | |
148 | { return const_reverse_iterator(this->end()); } | |
149 | ||
150 | const_reverse_iterator | |
151 | crend() const noexcept | |
152 | { return const_reverse_iterator(this->begin()); } | |
153 | ||
154 | // [string.view.capacity], capacity | |
155 | ||
156 | constexpr size_type | |
157 | size() const noexcept | |
158 | { return this->_M_len; } | |
159 | ||
160 | constexpr size_type | |
161 | length() const noexcept | |
162 | { return _M_len; } | |
163 | ||
164 | constexpr size_type | |
165 | max_size() const noexcept | |
166 | { | |
167 | return (npos - sizeof(size_type) - sizeof(void*)) | |
168 | / sizeof(value_type) / 4; | |
169 | } | |
170 | ||
171 | constexpr bool | |
172 | empty() const noexcept | |
173 | { return this->_M_len == 0; } | |
174 | ||
175 | // [string.view.access], element access | |
176 | ||
177 | constexpr const _CharT& | |
178 | operator[](size_type __pos) const | |
179 | { | |
180 | // TODO: Assert to restore in a way compatible with the constexpr. | |
181 | // __glibcxx_assert(__pos < this->_M_len); | |
182 | return *(this->_M_str + __pos); | |
183 | } | |
184 | ||
185 | constexpr const _CharT& | |
186 | at(size_type __pos) const | |
187 | { | |
188 | return __pos < this->_M_len | |
189 | ? *(this->_M_str + __pos) | |
8345c4a2 SM |
190 | : (error (_("basic_string_view::at: __pos " |
191 | "(which is %zu) >= this->size() " | |
192 | "(which is %zu)"), | |
193 | __pos, this->size()), | |
7adcdf08 SM |
194 | *this->_M_str); |
195 | } | |
196 | ||
197 | constexpr const _CharT& | |
198 | front() const | |
199 | { | |
200 | // TODO: Assert to restore in a way compatible with the constexpr. | |
201 | // __glibcxx_assert(this->_M_len > 0); | |
202 | return *this->_M_str; | |
203 | } | |
204 | ||
205 | constexpr const _CharT& | |
206 | back() const | |
207 | { | |
208 | // TODO: Assert to restore in a way compatible with the constexpr. | |
209 | // __glibcxx_assert(this->_M_len > 0); | |
210 | return *(this->_M_str + this->_M_len - 1); | |
211 | } | |
212 | ||
213 | constexpr const _CharT* | |
214 | data() const noexcept | |
215 | { return this->_M_str; } | |
216 | ||
217 | // [string.view.modifiers], modifiers: | |
218 | ||
8345c4a2 | 219 | /*constexpr*/ void |
7adcdf08 SM |
220 | remove_prefix(size_type __n) |
221 | { | |
8345c4a2 | 222 | gdb_assert (this->_M_len >= __n); |
7adcdf08 SM |
223 | this->_M_str += __n; |
224 | this->_M_len -= __n; | |
225 | } | |
226 | ||
8345c4a2 | 227 | /*constexpr*/ void |
7adcdf08 SM |
228 | remove_suffix(size_type __n) |
229 | { this->_M_len -= __n; } | |
230 | ||
8345c4a2 | 231 | /*constexpr*/ void |
7adcdf08 SM |
232 | swap(basic_string_view& __sv) noexcept |
233 | { | |
234 | auto __tmp = *this; | |
235 | *this = __sv; | |
236 | __sv = __tmp; | |
237 | } | |
238 | ||
239 | ||
240 | // [string.view.ops], string operations: | |
241 | ||
242 | template<typename _Allocator> | |
8345c4a2 | 243 | explicit operator std::basic_string<_CharT, _Traits, _Allocator>() const |
7adcdf08 SM |
244 | { |
245 | return { this->_M_str, this->_M_len }; | |
246 | } | |
247 | ||
7adcdf08 SM |
248 | size_type |
249 | copy(_CharT* __str, size_type __n, size_type __pos = 0) const | |
250 | { | |
8345c4a2 | 251 | gdb_assert (__str != nullptr || __n == 0); |
7adcdf08 | 252 | if (__pos > this->_M_len) |
8345c4a2 SM |
253 | error (_("basic_string_view::copy: __pos " |
254 | "(which is %zu) > this->size() " | |
255 | "(which is %zu)"), | |
256 | __pos, this->size()); | |
7adcdf08 SM |
257 | size_type __rlen{std::min(__n, size_type{this->_M_len - __pos})}; |
258 | for (auto __begin = this->_M_str + __pos, | |
259 | __end = __begin + __rlen; __begin != __end;) | |
260 | *__str++ = *__begin++; | |
261 | return __rlen; | |
262 | } | |
263 | ||
264 | ||
265 | // [string.view.ops], string operations: | |
266 | ||
8345c4a2 | 267 | /*constexpr*/ basic_string_view |
7adcdf08 SM |
268 | substr(size_type __pos, size_type __n=npos) const |
269 | { | |
270 | return __pos <= this->_M_len | |
271 | ? basic_string_view{this->_M_str + __pos, | |
272 | std::min(__n, size_type{this->_M_len - __pos})} | |
8345c4a2 SM |
273 | : (error (_("basic_string_view::substr: __pos " |
274 | "(which is %zu) > this->size() " | |
275 | "(which is %zu)"), | |
276 | __pos, this->size()), basic_string_view{}); | |
7adcdf08 SM |
277 | } |
278 | ||
8345c4a2 | 279 | /*constexpr*/ int |
7adcdf08 SM |
280 | compare(basic_string_view __str) const noexcept |
281 | { | |
282 | int __ret = traits_type::compare(this->_M_str, __str._M_str, | |
283 | std::min(this->_M_len, __str._M_len)); | |
284 | if (__ret == 0) | |
285 | __ret = _S_compare(this->_M_len, __str._M_len); | |
286 | return __ret; | |
287 | } | |
288 | ||
8345c4a2 | 289 | /*constexpr*/ int |
7adcdf08 SM |
290 | compare(size_type __pos1, size_type __n1, basic_string_view __str) const |
291 | { return this->substr(__pos1, __n1).compare(__str); } | |
292 | ||
8345c4a2 | 293 | /*constexpr*/ int |
7adcdf08 SM |
294 | compare(size_type __pos1, size_type __n1, |
295 | basic_string_view __str, size_type __pos2, size_type __n2) const | |
296 | { return this->substr(__pos1, __n1).compare(__str.substr(__pos2, __n2)); } | |
297 | ||
8345c4a2 | 298 | /*constexpr*/ int |
7adcdf08 SM |
299 | compare(const _CharT* __str) const noexcept |
300 | { return this->compare(basic_string_view{__str}); } | |
301 | ||
8345c4a2 | 302 | /*constexpr*/ int |
7adcdf08 SM |
303 | compare(size_type __pos1, size_type __n1, const _CharT* __str) const |
304 | { return this->substr(__pos1, __n1).compare(basic_string_view{__str}); } | |
305 | ||
8345c4a2 | 306 | /*constexpr*/ int |
7adcdf08 SM |
307 | compare(size_type __pos1, size_type __n1, |
308 | const _CharT* __str, size_type __n2) const | |
309 | { | |
310 | return this->substr(__pos1, __n1) | |
311 | .compare(basic_string_view(__str, __n2)); | |
312 | } | |
313 | ||
8345c4a2 | 314 | /*constexpr*/ size_type |
7adcdf08 SM |
315 | find(basic_string_view __str, size_type __pos = 0) const noexcept |
316 | { return this->find(__str._M_str, __pos, __str._M_len); } | |
317 | ||
8345c4a2 | 318 | /*constexpr*/ size_type |
7adcdf08 SM |
319 | find(_CharT __c, size_type __pos=0) const noexcept; |
320 | ||
8345c4a2 | 321 | /*constexpr*/ size_type |
7adcdf08 SM |
322 | find(const _CharT* __str, size_type __pos, size_type __n) const noexcept; |
323 | ||
8345c4a2 | 324 | /*constexpr*/ size_type |
7adcdf08 SM |
325 | find(const _CharT* __str, size_type __pos=0) const noexcept |
326 | { return this->find(__str, __pos, traits_type::length(__str)); } | |
327 | ||
8345c4a2 | 328 | /*constexpr*/ size_type |
7adcdf08 SM |
329 | rfind(basic_string_view __str, size_type __pos = npos) const noexcept |
330 | { return this->rfind(__str._M_str, __pos, __str._M_len); } | |
331 | ||
8345c4a2 | 332 | /*constexpr*/ size_type |
7adcdf08 SM |
333 | rfind(_CharT __c, size_type __pos = npos) const noexcept; |
334 | ||
8345c4a2 | 335 | /*constexpr*/ size_type |
7adcdf08 SM |
336 | rfind(const _CharT* __str, size_type __pos, size_type __n) const noexcept; |
337 | ||
8345c4a2 | 338 | /*constexpr*/ size_type |
7adcdf08 SM |
339 | rfind(const _CharT* __str, size_type __pos = npos) const noexcept |
340 | { return this->rfind(__str, __pos, traits_type::length(__str)); } | |
341 | ||
8345c4a2 | 342 | /*constexpr*/ size_type |
7adcdf08 SM |
343 | find_first_of(basic_string_view __str, size_type __pos = 0) const noexcept |
344 | { return this->find_first_of(__str._M_str, __pos, __str._M_len); } | |
345 | ||
8345c4a2 | 346 | /*constexpr*/ size_type |
7adcdf08 SM |
347 | find_first_of(_CharT __c, size_type __pos = 0) const noexcept |
348 | { return this->find(__c, __pos); } | |
349 | ||
8345c4a2 | 350 | /*constexpr*/ size_type |
7adcdf08 SM |
351 | find_first_of(const _CharT* __str, size_type __pos, size_type __n) const; |
352 | ||
8345c4a2 | 353 | /*constexpr*/ size_type |
7adcdf08 SM |
354 | find_first_of(const _CharT* __str, size_type __pos = 0) const noexcept |
355 | { return this->find_first_of(__str, __pos, traits_type::length(__str)); } | |
356 | ||
8345c4a2 | 357 | /*constexpr*/ size_type |
7adcdf08 SM |
358 | find_last_of(basic_string_view __str, |
359 | size_type __pos = npos) const noexcept | |
360 | { return this->find_last_of(__str._M_str, __pos, __str._M_len); } | |
361 | ||
8345c4a2 | 362 | size_type |
7adcdf08 SM |
363 | find_last_of(_CharT __c, size_type __pos=npos) const noexcept |
364 | { return this->rfind(__c, __pos); } | |
365 | ||
8345c4a2 | 366 | /*constexpr*/ size_type |
7adcdf08 SM |
367 | find_last_of(const _CharT* __str, size_type __pos, size_type __n) const; |
368 | ||
8345c4a2 | 369 | /*constexpr*/ size_type |
7adcdf08 SM |
370 | find_last_of(const _CharT* __str, size_type __pos = npos) const noexcept |
371 | { return this->find_last_of(__str, __pos, traits_type::length(__str)); } | |
372 | ||
8345c4a2 | 373 | /*constexpr*/ size_type |
7adcdf08 SM |
374 | find_first_not_of(basic_string_view __str, |
375 | size_type __pos = 0) const noexcept | |
376 | { return this->find_first_not_of(__str._M_str, __pos, __str._M_len); } | |
377 | ||
8345c4a2 | 378 | /*constexpr*/ size_type |
7adcdf08 SM |
379 | find_first_not_of(_CharT __c, size_type __pos = 0) const noexcept; |
380 | ||
8345c4a2 | 381 | /*constexpr*/ size_type |
7adcdf08 SM |
382 | find_first_not_of(const _CharT* __str, |
383 | size_type __pos, size_type __n) const; | |
384 | ||
8345c4a2 | 385 | /*constexpr*/ size_type |
7adcdf08 SM |
386 | find_first_not_of(const _CharT* __str, size_type __pos = 0) const noexcept |
387 | { | |
388 | return this->find_first_not_of(__str, __pos, | |
389 | traits_type::length(__str)); | |
390 | } | |
391 | ||
8345c4a2 | 392 | /*constexpr*/ size_type |
7adcdf08 SM |
393 | find_last_not_of(basic_string_view __str, |
394 | size_type __pos = npos) const noexcept | |
395 | { return this->find_last_not_of(__str._M_str, __pos, __str._M_len); } | |
396 | ||
8345c4a2 | 397 | /*constexpr*/ size_type |
7adcdf08 SM |
398 | find_last_not_of(_CharT __c, size_type __pos = npos) const noexcept; |
399 | ||
8345c4a2 | 400 | /*constexpr*/ size_type |
7adcdf08 SM |
401 | find_last_not_of(const _CharT* __str, |
402 | size_type __pos, size_type __n) const; | |
403 | ||
8345c4a2 | 404 | /*constexpr*/ size_type |
7adcdf08 SM |
405 | find_last_not_of(const _CharT* __str, |
406 | size_type __pos = npos) const noexcept | |
407 | { | |
408 | return this->find_last_not_of(__str, __pos, | |
409 | traits_type::length(__str)); | |
410 | } | |
411 | ||
412 | private: | |
413 | ||
414 | static constexpr int | |
415 | _S_compare(size_type __n1, size_type __n2) noexcept | |
416 | { | |
417 | return difference_type(__n1 - __n2) > std::numeric_limits<int>::max() | |
418 | ? std::numeric_limits<int>::max() | |
419 | : difference_type(__n1 - __n2) < std::numeric_limits<int>::min() | |
420 | ? std::numeric_limits<int>::min() | |
421 | : static_cast<int>(difference_type(__n1 - __n2)); | |
422 | } | |
423 | ||
424 | size_t _M_len; | |
425 | const _CharT* _M_str; | |
426 | }; | |
427 | ||
428 | // [string.view.comparison], non-member basic_string_view comparison functions | |
429 | ||
430 | namespace __detail | |
431 | { | |
432 | // Identity transform to create a non-deduced context, so that only one | |
433 | // argument participates in template argument deduction and the other | |
434 | // argument gets implicitly converted to the deduced type. See n3766.html. | |
435 | template<typename _Tp> | |
8345c4a2 | 436 | using __idt = typename std::common_type<_Tp>::type; |
7adcdf08 SM |
437 | } |
438 | ||
439 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 440 | /*constexpr*/ bool |
7adcdf08 SM |
441 | operator==(basic_string_view<_CharT, _Traits> __x, |
442 | basic_string_view<_CharT, _Traits> __y) noexcept | |
443 | { return __x.size() == __y.size() && __x.compare(__y) == 0; } | |
444 | ||
445 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 446 | /*constexpr*/ bool |
7adcdf08 SM |
447 | operator==(basic_string_view<_CharT, _Traits> __x, |
448 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
449 | { return __x.size() == __y.size() && __x.compare(__y) == 0; } | |
450 | ||
451 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 452 | /*constexpr*/ bool |
7adcdf08 SM |
453 | operator==(__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
454 | basic_string_view<_CharT, _Traits> __y) noexcept | |
455 | { return __x.size() == __y.size() && __x.compare(__y) == 0; } | |
456 | ||
457 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 458 | /*constexpr*/ bool |
7adcdf08 SM |
459 | operator!=(basic_string_view<_CharT, _Traits> __x, |
460 | basic_string_view<_CharT, _Traits> __y) noexcept | |
461 | { return !(__x == __y); } | |
462 | ||
463 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 464 | /*constexpr*/ bool |
7adcdf08 SM |
465 | operator!=(basic_string_view<_CharT, _Traits> __x, |
466 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
467 | { return !(__x == __y); } | |
468 | ||
469 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 470 | /*constexpr*/ bool |
7adcdf08 SM |
471 | operator!=(__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
472 | basic_string_view<_CharT, _Traits> __y) noexcept | |
473 | { return !(__x == __y); } | |
474 | ||
475 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 476 | /*constexpr*/ bool |
7adcdf08 SM |
477 | operator< (basic_string_view<_CharT, _Traits> __x, |
478 | basic_string_view<_CharT, _Traits> __y) noexcept | |
479 | { return __x.compare(__y) < 0; } | |
480 | ||
481 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 482 | /*constexpr*/ bool |
7adcdf08 SM |
483 | operator< (basic_string_view<_CharT, _Traits> __x, |
484 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
485 | { return __x.compare(__y) < 0; } | |
486 | ||
487 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 488 | /*constexpr*/ bool |
7adcdf08 SM |
489 | operator< (__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
490 | basic_string_view<_CharT, _Traits> __y) noexcept | |
491 | { return __x.compare(__y) < 0; } | |
492 | ||
493 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 494 | /*constexpr*/ bool |
7adcdf08 SM |
495 | operator> (basic_string_view<_CharT, _Traits> __x, |
496 | basic_string_view<_CharT, _Traits> __y) noexcept | |
497 | { return __x.compare(__y) > 0; } | |
498 | ||
499 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 500 | /*constexpr*/ bool |
7adcdf08 SM |
501 | operator> (basic_string_view<_CharT, _Traits> __x, |
502 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
503 | { return __x.compare(__y) > 0; } | |
504 | ||
505 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 506 | /*constexpr*/ bool |
7adcdf08 SM |
507 | operator> (__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
508 | basic_string_view<_CharT, _Traits> __y) noexcept | |
509 | { return __x.compare(__y) > 0; } | |
510 | ||
511 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 512 | /*constexpr*/ bool |
7adcdf08 SM |
513 | operator<=(basic_string_view<_CharT, _Traits> __x, |
514 | basic_string_view<_CharT, _Traits> __y) noexcept | |
515 | { return __x.compare(__y) <= 0; } | |
516 | ||
517 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 518 | /*constexpr*/ bool |
7adcdf08 SM |
519 | operator<=(basic_string_view<_CharT, _Traits> __x, |
520 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
521 | { return __x.compare(__y) <= 0; } | |
522 | ||
523 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 524 | /*constexpr*/ bool |
7adcdf08 SM |
525 | operator<=(__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
526 | basic_string_view<_CharT, _Traits> __y) noexcept | |
527 | { return __x.compare(__y) <= 0; } | |
528 | ||
529 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 530 | /*constexpr*/ bool |
7adcdf08 SM |
531 | operator>=(basic_string_view<_CharT, _Traits> __x, |
532 | basic_string_view<_CharT, _Traits> __y) noexcept | |
533 | { return __x.compare(__y) >= 0; } | |
534 | ||
535 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 536 | /*constexpr*/ bool |
7adcdf08 SM |
537 | operator>=(basic_string_view<_CharT, _Traits> __x, |
538 | __detail::__idt<basic_string_view<_CharT, _Traits>> __y) noexcept | |
539 | { return __x.compare(__y) >= 0; } | |
540 | ||
541 | template<typename _CharT, typename _Traits> | |
8345c4a2 | 542 | /*constexpr*/ bool |
7adcdf08 SM |
543 | operator>=(__detail::__idt<basic_string_view<_CharT, _Traits>> __x, |
544 | basic_string_view<_CharT, _Traits> __y) noexcept | |
545 | { return __x.compare(__y) >= 0; } | |
546 | ||
7adcdf08 SM |
547 | // basic_string_view typedef names |
548 | ||
549 | using string_view = basic_string_view<char>; | |
8345c4a2 | 550 | } /* namespace gdb */ |
7adcdf08 | 551 | |
8345c4a2 | 552 | #include "gdb_string_view.tcc" |
7adcdf08 | 553 | |
8345c4a2 | 554 | #endif // __cplusplus < 201703L |
7adcdf08 | 555 | |
5ac58899 TT |
556 | namespace gdb { |
557 | ||
558 | static inline std::string | |
559 | to_string(const gdb::string_view &view) | |
560 | { | |
561 | return { view.data (), view.size () }; | |
562 | } | |
563 | ||
564 | } | |
565 | ||
1a5c2598 | 566 | #endif /* COMMON_GDB_STRING_VIEW_H */ |