1 //===--- OptionUtils.cpp - Utilities for command line arguments -----------===// 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 #include "clang/Basic/Diagnostic.h" 10 #include "clang/Basic/DiagnosticDriver.h" 11 #include "clang/Driver/OptionUtils.h" 12 #include "llvm/Option/ArgList.h" 13 14 using namespace clang; 15 using namespace llvm::opt; 16 17 namespace { 18 template <typename IntTy> getLastArgIntValueImpl(const ArgList & Args,OptSpecifier Id,IntTy Default,DiagnosticsEngine * Diags,unsigned Base)19 IntTy getLastArgIntValueImpl(const ArgList &Args, OptSpecifier Id, 20 IntTy Default, DiagnosticsEngine *Diags, 21 unsigned Base) { 22 IntTy Res = Default; 23 if (Arg *A = Args.getLastArg(Id)) { 24 if (StringRef(A->getValue()).getAsInteger(Base, Res)) { 25 if (Diags) 26 Diags->Report(diag::err_drv_invalid_int_value) 27 << A->getAsString(Args) << A->getValue(); 28 } 29 } 30 return Res; 31 } 32 } // namespace 33 34 namespace clang { 35 getLastArgIntValue(const ArgList & Args,OptSpecifier Id,int Default,DiagnosticsEngine * Diags,unsigned Base)36 int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default, 37 DiagnosticsEngine *Diags, unsigned Base) { 38 return getLastArgIntValueImpl<int>(Args, Id, Default, Diags, Base); 39 } 40 getLastArgUInt64Value(const ArgList & Args,OptSpecifier Id,uint64_t Default,DiagnosticsEngine * Diags,unsigned Base)41 uint64_t getLastArgUInt64Value(const ArgList &Args, OptSpecifier Id, 42 uint64_t Default, DiagnosticsEngine *Diags, 43 unsigned Base) { 44 return getLastArgIntValueImpl<uint64_t>(Args, Id, Default, Diags, Base); 45 } 46 47 } // namespace clang 48