83 lines
3.2 KiB
C++
83 lines
3.2 KiB
C++
//===- OptionUtils.h - Utilities for command line arguments -----*- 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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//
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// This header contains utilities for command line arguments.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_OPTIONS_OPTIONUTILS_H
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#define LLVM_CLANG_OPTIONS_OPTIONUTILS_H
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/LLVM.h"
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#include "llvm/Option/OptSpecifier.h"
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namespace llvm {
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namespace opt {
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class ArgList;
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} // namespace opt
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} // namespace llvm
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namespace clang {
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/// Return the value of the last argument as an integer, or a default. If Diags
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/// is non-null, emits an error if the argument is given, but non-integral.
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int getLastArgIntValue(const llvm::opt::ArgList &Args,
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llvm::opt::OptSpecifier Id, int Default,
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DiagnosticsEngine *Diags = nullptr, unsigned Base = 0);
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inline int getLastArgIntValue(const llvm::opt::ArgList &Args,
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llvm::opt::OptSpecifier Id, int Default,
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DiagnosticsEngine &Diags, unsigned Base = 0) {
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return getLastArgIntValue(Args, Id, Default, &Diags, Base);
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}
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uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
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llvm::opt::OptSpecifier Id, uint64_t Default,
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DiagnosticsEngine *Diags = nullptr,
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unsigned Base = 0);
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inline uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
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llvm::opt::OptSpecifier Id,
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uint64_t Default,
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DiagnosticsEngine &Diags,
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unsigned Base = 0) {
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return getLastArgUInt64Value(Args, Id, Default, &Diags, Base);
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}
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// Parse -mprefer-vector-width=. Return the Value string if well-formed.
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// Otherwise, return an empty string and issue a diagnosic message if needed.
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StringRef parseMPreferVectorWidthOption(clang::DiagnosticsEngine &Diags,
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const llvm::opt::ArgList &Args);
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// Parse -mrecip. Return the Value string if well-formed.
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// Otherwise, return an empty string and issue a diagnosic message if needed.
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StringRef parseMRecipOption(clang::DiagnosticsEngine &Diags,
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const llvm::opt::ArgList &Args);
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/// Get the directory where the compiler headers reside, relative to the
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/// compiler binary path \p BinaryPath.
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std::string GetResourcesPath(StringRef BinaryPath);
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/// Get the directory where the compiler headers reside, relative to the
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/// compiler binary path (found by the passed in arguments).
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///
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/// \param Argv0 The program path (from argv[0]), for finding the builtin
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/// compiler path.
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/// \param MainAddr The address of main (or some other function in the main
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/// executable), for finding the builtin compiler path.
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std::string GetResourcesPath(const char *Argv0, void *MainAddr);
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} // namespace clang
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#endif // LLVM_CLANG_OPTIONS_OPTIONUTILS_H
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