33 lines
1.3 KiB
C++
33 lines
1.3 KiB
C++
//===- OptionStrCmp.h - Option String Comparison ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_OPTIONSTRCMP_H
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#define LLVM_SUPPORT_OPTIONSTRCMP_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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// Comparison function for Option strings (option names & prefixes).
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// The ordering is *almost* case-insensitive lexicographic, with an exception.
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// '\0' comes at the end of the alphabet instead of the beginning (thus options
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// precede any other options which prefix them). Additionally, if two options
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// are identical ignoring case, they are ordered according to case sensitive
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// ordering if `FallbackCaseSensitive` is true.
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LLVM_ABI int StrCmpOptionName(StringRef A, StringRef B,
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bool FallbackCaseSensitive = true);
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// Comparison function for Option prefixes.
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LLVM_ABI int StrCmpOptionPrefixes(ArrayRef<StringRef> APrefixes,
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ArrayRef<StringRef> BPrefixes);
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} // namespace llvm
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#endif // LLVM_SUPPORT_OPTIONSTRCMP_H
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