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//===- DiagTool.cpp - Classes for defining diagtool tools -------------------===//
//
// 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 file implements the boilerplate for defining diagtool tools.
//
//===----------------------------------------------------------------------===//
#include "DiagTool.h"
#include "llvm/ADT/StringMap.h"
#include <vector>
using namespace diagtool;
DiagTool::DiagTool(llvm::StringRef toolCmd,
llvm::StringRef toolDesc)
: cmd(toolCmd), description(toolDesc) {}
DiagTool::~DiagTool() {}
typedef llvm::StringMap<DiagTool *> ToolMap;
static inline ToolMap *getTools(void *v) { return static_cast<ToolMap*>(v); }
DiagTools::DiagTools() : tools(new ToolMap()) {}
DiagTools::~DiagTools() { delete getTools(tools); }
DiagTool *DiagTools::getTool(llvm::StringRef toolCmd) {
ToolMap::iterator it = getTools(tools)->find(toolCmd);
return (it == getTools(tools)->end()) ? nullptr : it->getValue();
}
void DiagTools::registerTool(DiagTool *tool) {
(*getTools(tools))[tool->getName()] = tool;
}
void DiagTools::printCommands(llvm::raw_ostream &out) {
std::vector<llvm::StringRef> toolNames;
unsigned maxName = 0;
for (ToolMap::iterator it = getTools(tools)->begin(),
ei = getTools(tools)->end(); it != ei; ++it) {
toolNames.push_back(it->getKey());
unsigned len = it->getKey().size();
if (len > maxName)
maxName = len;
}
llvm::sort(toolNames);
for (std::vector<llvm::StringRef>::iterator it = toolNames.begin(),
ei = toolNames.end(); it != ei; ++it) {
out << " " << (*it);
unsigned spaces = (maxName + 3) - (it->size());
for (unsigned i = 0; i < spaces; ++i)
out << ' ';
out << getTool(*it)->getDescription() << '\n';
}
}
namespace diagtool {
llvm::ManagedStatic<DiagTools> diagTools;
}
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