1 //===- OptionUtils.h - Utilities for command line arguments -----*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This header contains utilities for command line arguments. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_CLANG_DRIVER_OPTIONUTILS_H 14 #define LLVM_CLANG_DRIVER_OPTIONUTILS_H 15 16 #include "clang/Basic/Diagnostic.h" 17 #include "clang/Basic/LLVM.h" 18 #include "llvm/Option/OptSpecifier.h" 19 20 namespace llvm { 21 22 namespace opt { 23 24 class ArgList; 25 26 } // namespace opt 27 28 } // namespace llvm 29 30 namespace clang { 31 /// Return the value of the last argument as an integer, or a default. If Diags 32 /// is non-null, emits an error if the argument is given, but non-integral. 33 int getLastArgIntValue(const llvm::opt::ArgList &Args, 34 llvm::opt::OptSpecifier Id, int Default, 35 DiagnosticsEngine *Diags = nullptr, unsigned Base = 0); 36 37 inline int getLastArgIntValue(const llvm::opt::ArgList &Args, 38 llvm::opt::OptSpecifier Id, int Default, 39 DiagnosticsEngine &Diags, unsigned Base = 0) { 40 return getLastArgIntValue(Args, Id, Default, &Diags, Base); 41 } 42 43 uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args, 44 llvm::opt::OptSpecifier Id, uint64_t Default, 45 DiagnosticsEngine *Diags = nullptr, 46 unsigned Base = 0); 47 48 inline uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args, 49 llvm::opt::OptSpecifier Id, 50 uint64_t Default, 51 DiagnosticsEngine &Diags, 52 unsigned Base = 0) { 53 return getLastArgUInt64Value(Args, Id, Default, &Diags, Base); 54 } 55 56 } // namespace clang 57 58 #endif // LLVM_CLANG_DRIVER_OPTIONUTILS_H 59