blob: 167b9925eedc0fa40fda23b74465cec324f1cb04 [file] [log] [blame]
//===- FindDiagnosticID.cpp - diagtool tool for finding diagnostic id -----===//
// The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
#include "DiagTool.h"
#include "DiagnosticNames.h"
#include "clang/Basic/AllDiagnostics.h"
#include "llvm/Support/CommandLine.h"
DEF_DIAGTOOL("find-diagnostic-id", "Print the id of the given diagnostic",
using namespace clang;
using namespace diagtool;
static Optional<DiagnosticRecord>
findDiagnostic(ArrayRef<DiagnosticRecord> Diagnostics, StringRef Name) {
for (const auto &Diag : Diagnostics) {
StringRef DiagName = Diag.getName();
if (DiagName == Name)
return Diag;
return None;
int FindDiagnosticID::run(unsigned int argc, char **argv,
llvm::raw_ostream &OS) {
static llvm::cl::OptionCategory FindDiagnosticIDOptions(
"diagtool find-diagnostic-id options");
static llvm::cl::opt<std::string> DiagnosticName(
llvm::cl::Positional, llvm::cl::desc("<diagnostic-name>"),
llvm::cl::Required, llvm::cl::cat(FindDiagnosticIDOptions));
std::vector<const char *> Args;
for (const char *A : llvm::makeArrayRef(argv, argc))
"Diagnostic ID mapping utility");
ArrayRef<DiagnosticRecord> AllDiagnostics = getBuiltinDiagnosticsByName();
Optional<DiagnosticRecord> Diag =
findDiagnostic(AllDiagnostics, DiagnosticName);
if (!Diag) {
llvm::errs() << "error: invalid diagnostic '" << DiagnosticName << "'\n";
return 1;
OS << Diag->DiagID << "\n";
return 0;