6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
//===--------------------- TildeExpressionResolver.h ------------*- 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 LLDB_UTILITY_TILDEEXPRESSIONRESOLVER_H
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#define LLDB_UTILITY_TILDEEXPRESSIONRESOLVER_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/StringSet.h"
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namespace llvm {
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template <typename T> class SmallVectorImpl;
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}
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namespace lldb_private {
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class TildeExpressionResolver {
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public:
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virtual ~TildeExpressionResolver();
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/// Resolve a Tilde Expression contained according to bash rules.
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///
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/// \param Expr Contains the tilde expression to resolve. A valid tilde
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/// expression must begin with a tilde and contain only non
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/// separator characters.
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///
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/// \param Output Contains the resolved tilde expression, or the original
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/// input if the tilde expression could not be resolved.
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///
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/// \returns true if \p Expr was successfully resolved, false otherwise.
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virtual bool ResolveExact(llvm::StringRef Expr,
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llvm::SmallVectorImpl<char> &Output) = 0;
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/// Auto-complete a tilde expression with all matching values.
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///
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/// \param Expr Contains the tilde expression prefix to resolve. See
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/// ResolveExact() for validity rules.
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///
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/// \param Output Contains all matching home directories, each one
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/// itself unresolved (i.e. you need to call ResolveExact
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/// on each item to turn it into a real path).
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///
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/// \returns true if there were any matches, false otherwise.
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virtual bool ResolvePartial(llvm::StringRef Expr,
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llvm::StringSet<> &Output) = 0;
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/// Resolve an entire path that begins with a tilde expression, replacing
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/// the username portion with the matched result.
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bool ResolveFullPath(llvm::StringRef Expr,
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llvm::SmallVectorImpl<char> &Output);
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};
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class StandardTildeExpressionResolver : public TildeExpressionResolver {
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public:
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bool ResolveExact(llvm::StringRef Expr,
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llvm::SmallVectorImpl<char> &Output) override;
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bool ResolvePartial(llvm::StringRef Expr, llvm::StringSet<> &Output) override;
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};
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}
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#endif // LLDB_UTILITY_TILDEEXPRESSIONRESOLVER_H
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