getLastArgIntValue is a useful utility function to get command line argument as an integer.
Currently it is in Frontend so that it can only be used by clang -cc1. Move it to basic so
that it can also be used by clang driver.
Differential Revision: https://reviews.llvm.org/D71080
--- /dev/null
+//===- OptionUtils.h - Utilities for command line arguments -----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This header contains utilities for command line arguments.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_BASIC_OPTIONUTILS_H
+#define LLVM_CLANG_BASIC_OPTIONUTILS_H
+
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/LLVM.h"
+#include "llvm/Option/OptSpecifier.h"
+
+namespace llvm {
+
+namespace opt {
+
+class ArgList;
+
+} // namespace opt
+
+} // namespace llvm
+
+namespace clang {
+/// Return the value of the last argument as an integer, or a default. If Diags
+/// is non-null, emits an error if the argument is given, but non-integral.
+int getLastArgIntValue(const llvm::opt::ArgList &Args,
+ llvm::opt::OptSpecifier Id, int Default,
+ DiagnosticsEngine *Diags = nullptr, unsigned Base = 0);
+
+inline int getLastArgIntValue(const llvm::opt::ArgList &Args,
+ llvm::opt::OptSpecifier Id, int Default,
+ DiagnosticsEngine &Diags, unsigned Base = 0) {
+ return getLastArgIntValue(Args, Id, Default, &Diags, Base);
+}
+
+uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
+ llvm::opt::OptSpecifier Id, uint64_t Default,
+ DiagnosticsEngine *Diags = nullptr,
+ unsigned Base = 0);
+
+inline uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
+ llvm::opt::OptSpecifier Id,
+ uint64_t Default,
+ DiagnosticsEngine &Diags,
+ unsigned Base = 0) {
+ return getLastArgUInt64Value(Args, Id, Default, &Diags, Base);
+}
+
+} // namespace clang
+
+#endif // LLVM_CLANG_BASIC_OPTIONUTILS_H
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LLVM.h"
+#include "clang/Basic/OptionUtils.h"
#include "clang/Frontend/DependencyOutputOptions.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
class Triple;
-namespace opt {
-
-class ArgList;
-
-} // namespace opt
-
} // namespace llvm
namespace clang {
bool ShouldRecoverOnErrors = false,
std::vector<std::string> *CC1Args = nullptr);
-/// Return the value of the last argument as an integer, or a default. If Diags
-/// is non-null, emits an error if the argument is given, but non-integral.
-int getLastArgIntValue(const llvm::opt::ArgList &Args,
- llvm::opt::OptSpecifier Id, int Default,
- DiagnosticsEngine *Diags = nullptr);
-
-inline int getLastArgIntValue(const llvm::opt::ArgList &Args,
- llvm::opt::OptSpecifier Id, int Default,
- DiagnosticsEngine &Diags) {
- return getLastArgIntValue(Args, Id, Default, &Diags);
-}
-
-uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
- llvm::opt::OptSpecifier Id, uint64_t Default,
- DiagnosticsEngine *Diags = nullptr);
-
-inline uint64_t getLastArgUInt64Value(const llvm::opt::ArgList &Args,
- llvm::opt::OptSpecifier Id,
- uint64_t Default,
- DiagnosticsEngine &Diags) {
- return getLastArgUInt64Value(Args, Id, Default, &Diags);
-}
-
// Frontend timing utils
/// If the user specifies the -ftime-report argument on an Clang command line
set(LLVM_LINK_COMPONENTS
Core
MC
+ Option
Support
)
ObjCRuntime.cpp
OpenMPKinds.cpp
OperatorPrecedence.cpp
+ OptionUtils.cpp
SanitizerBlacklist.cpp
SanitizerSpecialCaseList.cpp
Sanitizers.cpp
--- /dev/null
+//===--- OptionUtils.cpp - Utilities for command line arguments -----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/OptionUtils.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/DiagnosticDriver.h"
+#include "llvm/Option/ArgList.h"
+
+using namespace clang;
+using namespace llvm::opt;
+
+namespace {
+template <typename IntTy>
+IntTy getLastArgIntValueImpl(const ArgList &Args, OptSpecifier Id,
+ IntTy Default, DiagnosticsEngine *Diags,
+ unsigned Base) {
+ IntTy Res = Default;
+ if (Arg *A = Args.getLastArg(Id)) {
+ if (StringRef(A->getValue()).getAsInteger(Base, Res)) {
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_int_value)
+ << A->getAsString(Args) << A->getValue();
+ }
+ }
+ return Res;
+}
+} // namespace
+
+namespace clang {
+
+int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default,
+ DiagnosticsEngine *Diags, unsigned Base) {
+ return getLastArgIntValueImpl<int>(Args, Id, Default, Diags, Base);
+}
+
+uint64_t getLastArgUInt64Value(const ArgList &Args, OptSpecifier Id,
+ uint64_t Default, DiagnosticsEngine *Diags,
+ unsigned Base) {
+ return getLastArgIntValueImpl<uint64_t>(Args, Id, Default, Diags, Base);
+}
+
+} // namespace clang
return llvm::APInt(64, code).toString(36, /*Signed=*/false);
}
-template<typename IntTy>
-static IntTy getLastArgIntValueImpl(const ArgList &Args, OptSpecifier Id,
- IntTy Default,
- DiagnosticsEngine *Diags) {
- IntTy Res = Default;
- if (Arg *A = Args.getLastArg(Id)) {
- if (StringRef(A->getValue()).getAsInteger(10, Res)) {
- if (Diags)
- Diags->Report(diag::err_drv_invalid_int_value) << A->getAsString(Args)
- << A->getValue();
- }
- }
- return Res;
-}
-
namespace clang {
-// Declared in clang/Frontend/Utils.h.
-int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default,
- DiagnosticsEngine *Diags) {
- return getLastArgIntValueImpl<int>(Args, Id, Default, Diags);
-}
-
-uint64_t getLastArgUInt64Value(const ArgList &Args, OptSpecifier Id,
- uint64_t Default,
- DiagnosticsEngine *Diags) {
- return getLastArgIntValueImpl<uint64_t>(Args, Id, Default, Diags);
-}
-
IntrusiveRefCntPtr<llvm::vfs::FileSystem>
createVFSFromCompilerInvocation(const CompilerInvocation &CI,
DiagnosticsEngine &Diags) {