Mercurial > hg > Members > tobaru > cbc > CbC_llvm

comparison include/llvm/Support/YAMLParser.h @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
comparison
equal deleted inserted replaced
96:6418606d0ead 100:7d135dc70f03
303 /// 303 ///
304 /// BaseT must have a ValueT* member named CurrentEntry and a member function 304 /// BaseT must have a ValueT* member named CurrentEntry and a member function
305 /// increment() which must set CurrentEntry to 0 to create an end iterator. 305 /// increment() which must set CurrentEntry to 0 to create an end iterator.
306 template <class BaseT, class ValueT> 306 template <class BaseT, class ValueT>
307 class basic_collection_iterator 307 class basic_collection_iterator
308 : public std::iterator<std::forward_iterator_tag, ValueT> { 308 : public std::iterator<std::input_iterator_tag, ValueT> {
309 public: 309 public:
310 basic_collection_iterator() : Base(nullptr) {} 310 basic_collection_iterator() : Base(nullptr) {}
311 basic_collection_iterator(BaseT *B) : Base(B) {} 311 basic_collection_iterator(BaseT *B) : Base(B) {}
312 312
313 ValueT *operator->() const { 313 ValueT *operator->() const {
324 operator ValueT *() const { 324 operator ValueT *() const {
325 assert(Base && Base->CurrentEntry && "Attempted to access end iterator!"); 325 assert(Base && Base->CurrentEntry && "Attempted to access end iterator!");
326 return Base->CurrentEntry; 326 return Base->CurrentEntry;
327 } 327 }
328 328
329 /// Note on EqualityComparable:
330 ///
331 /// The iterator is not re-entrant,
332 /// it is meant to be used for parsing YAML on-demand
333 /// Once iteration started - it can point only to one entry at a time
334 /// hence Base.CurrentEntry and Other.Base.CurrentEntry are equal
335 /// iff Base and Other.Base are equal.
336 bool operator==(const basic_collection_iterator &Other) const {
337 if (Base && (Base == Other.Base)) {
338 assert((Base->CurrentEntry == Other.Base->CurrentEntry)
339 && "Equal Bases expected to point to equal Entries");
340 }
341
342 return Base == Other.Base;
343 }
344
329 bool operator!=(const basic_collection_iterator &Other) const { 345 bool operator!=(const basic_collection_iterator &Other) const {
330 if (Base != Other.Base) 346 return !(Base == Other.Base);
331 return true;
332 return (Base && Other.Base) &&
333 Base->CurrentEntry != Other.Base->CurrentEntry;
334 } 347 }
335 348
336 basic_collection_iterator &operator++() { 349 basic_collection_iterator &operator++() {
337 assert(Base && "Attempted to advance iterator past end!"); 350 assert(Base && "Attempted to advance iterator past end!");
338 Base->increment(); 351 Base->increment();