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9d85589a9a
GlobPattern is a class to handle glob pattern matching. Currently only LLD is using that, but technically that feature is not specific to linkers, so in this patch I move that file to LLVM. Differential Revision: https://reviews.llvm.org/D27969 llvm-svn: 290212
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
//===-- GlobPattern.h - glob pattern matcher implementation -*- 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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//
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// This file implements a glob pattern matcher. The glob pattern is the
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// rule used by the shell.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_GLOB_PATTERN_H
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#define LLVM_SUPPORT_GLOB_PATTERN_H
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#include "llvm/ADT/BitVector.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Error.h"
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#include <vector>
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// This class represents a glob pattern. Supported metacharacters
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// are "*", "?", "[<chars>]" and "[^<chars>]".
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namespace llvm {
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class BitVector;
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template <typename T> class ArrayRef;
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class GlobPattern {
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public:
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static Expected<GlobPattern> create(StringRef Pat);
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bool match(StringRef S) const;
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private:
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bool matchOne(ArrayRef<BitVector> Pat, StringRef S) const;
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// Parsed glob pattern.
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std::vector<BitVector> Tokens;
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// The following members are for optimization.
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Optional<StringRef> Exact;
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Optional<StringRef> Prefix;
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Optional<StringRef> Suffix;
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};
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}
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#endif // LLVM_SUPPORT_GLOB_PATTERN_H
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