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566703b56d
Previously, an expression such as Saver.save(std::string("foo") + "bar")
didn't compile because there is an ambiguity as to whether the argument
is of const Twine& or StringRef.
llvm-svn: 301512
33 lines
1013 B
C++
33 lines
1013 B
C++
//===- llvm/Support/StringSaver.h -------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_STRINGSAVER_H
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#define LLVM_SUPPORT_STRINGSAVER_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Allocator.h"
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namespace llvm {
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/// \brief Saves strings in the inheritor's stable storage and returns a
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/// StringRef with a stable character pointer.
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class StringSaver final {
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BumpPtrAllocator &Alloc;
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public:
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StringSaver(BumpPtrAllocator &Alloc) : Alloc(Alloc) {}
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StringRef save(const char *S) { return save(StringRef(S)); }
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StringRef save(StringRef S);
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StringRef save(const Twine &S) { return save(StringRef(S.str())); }
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StringRef save(const std::string &S) { return save(StringRef(S)); }
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};
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}
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#endif
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