From fe2cce63aa26d0916fa7be32c6bf7fa8fb059ee7 Mon Sep 17 00:00:00 2001 From: Misha Brukman Date: Fri, 20 Feb 2009 22:51:36 +0000 Subject: Removed trailing whitespace. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65196 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/StringPool.h | 54 +++++++++++++++++++-------------------- 1 file changed, 27 insertions(+), 27 deletions(-) (limited to 'include/llvm/Support/StringPool.h') diff --git a/include/llvm/Support/StringPool.h b/include/llvm/Support/StringPool.h index 8661f60e2e..98db8e2bf3 100644 --- a/include/llvm/Support/StringPool.h +++ b/include/llvm/Support/StringPool.h @@ -9,21 +9,21 @@ // // This file declares an interned string pool, which helps reduce the cost of // strings by using the same storage for identical strings. -// +// // To intern a string: -// +// // StringPool Pool; // PooledStringPtr Str = Pool.intern("wakka wakka"); -// +// // To use the value of an interned string, use operator bool and operator*: -// +// // if (Str) // cerr << "the string is" << *Str << "\n"; -// +// // Pooled strings are immutable, but you can change a PooledStringPtr to point // to another instance. So that interned strings can eventually be freed, // strings in the string pool are reference-counted (automatically). -// +// //===----------------------------------------------------------------------===// #ifndef LLVM_SUPPORT_STRINGPOOL_H @@ -46,36 +46,36 @@ namespace llvm { struct PooledString { StringPool *Pool; ///< So the string can remove itself. unsigned Refcount; ///< Number of referencing PooledStringPtrs. - + public: PooledString() : Pool(0), Refcount(0) { } }; - + friend class PooledStringPtr; - + typedef StringMap table_t; typedef StringMapEntry entry_t; table_t InternTable; - + public: StringPool(); ~StringPool(); - + /// intern - Adds a string to the pool and returns a reference-counted /// pointer to it. No additional memory is allocated if the string already /// exists in the pool. PooledStringPtr intern(const char *Begin, const char *End); - + /// intern - Adds a null-terminated string to the pool and returns a /// reference-counted pointer to it. No additional memory is allocated if /// the string already exists in the pool. inline PooledStringPtr intern(const char *Str); - + /// empty - Checks whether the pool is empty. Returns true if so. - /// + /// inline bool empty() const { return InternTable.empty(); } }; - + /// PooledStringPtr - A pointer to an interned string. Use operator bool to /// test whether the pointer is valid, and operator * to get the string if so. /// This is a lightweight value class with storage requirements equivalent to @@ -84,18 +84,18 @@ namespace llvm { class PooledStringPtr { typedef StringPool::entry_t entry_t; entry_t *S; - + public: PooledStringPtr() : S(0) {} - + explicit PooledStringPtr(entry_t *E) : S(E) { if (S) ++S->getValue().Refcount; } - + PooledStringPtr(const PooledStringPtr &That) : S(That.S) { if (S) ++S->getValue().Refcount; } - + PooledStringPtr &operator=(const PooledStringPtr &That) { if (S != That.S) { clear(); @@ -104,7 +104,7 @@ namespace llvm { } return *this; } - + void clear() { if (!S) return; @@ -114,31 +114,31 @@ namespace llvm { } S = 0; } - + ~PooledStringPtr() { clear(); } - + inline const char *begin() const { assert(*this && "Attempt to dereference empty PooledStringPtr!"); return S->getKeyData(); } - + inline const char *end() const { assert(*this && "Attempt to dereference empty PooledStringPtr!"); return S->getKeyData() + S->getKeyLength(); } - + inline unsigned size() const { assert(*this && "Attempt to dereference empty PooledStringPtr!"); return S->getKeyLength(); } - + inline const char *operator*() const { return begin(); } inline operator bool() const { return S != 0; } - + inline bool operator==(const PooledStringPtr &That) { return S == That.S; } inline bool operator!=(const PooledStringPtr &That) { return S != That.S; } }; - + PooledStringPtr StringPool::intern(const char *Str) { return intern(Str, Str + strlen(Str)); } -- cgit v1.2.3