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| //===- FindDiagnosticID.cpp - diagtool tool for finding diagnostic id -----===//
//
// 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 "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",
FindDiagnosticID)
using namespace clang;
using namespace diagtool;
static StringRef getNameFromID(StringRef Name) {
int DiagID;
if(!Name.getAsInteger(0, DiagID)) {
const DiagnosticRecord &Diag = getDiagnosticForID(DiagID);
return Diag.getName();
}
return StringRef();
}
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;
Args.push_back("diagtool find-diagnostic-id");
for (const char *A : llvm::makeArrayRef(argv, argc))
Args.push_back(A);
llvm::cl::HideUnrelatedOptions(FindDiagnosticIDOptions);
llvm::cl::ParseCommandLineOptions((int)Args.size(), Args.data(),
"Diagnostic ID mapping utility");
ArrayRef<DiagnosticRecord> AllDiagnostics = getBuiltinDiagnosticsByName();
Optional<DiagnosticRecord> Diag =
findDiagnostic(AllDiagnostics, DiagnosticName);
if (!Diag) {
// Name to id failed, so try id to name.
auto Name = getNameFromID(DiagnosticName);
if (!Name.empty()) {
OS << Name << '\n';
return 0;
}
llvm::errs() << "error: invalid diagnostic '" << DiagnosticName << "'\n";
return 1;
}
OS << Diag->DiagID << "\n";
return 0;
}
|