DiagTool.cpp source code [clang_source_code/tools/diagtool/DiagTool.cpp]

1	//===- DiagTool.cpp - Classes for defining diagtool tools -------------------===//
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	// This file implements the boilerplate for defining diagtool tools.
10	//
11	//===----------------------------------------------------------------------===//
12
13	#include "DiagTool.h"
14	#include "llvm/ADT/StringMap.h"
15	#include <vector>
16
17	using namespace diagtool;
18
19	DiagTool::DiagTool(llvm::StringRef toolCmd,
20	llvm::StringRef toolDesc)
21	: cmd(toolCmd), description(toolDesc) {}
22
23	DiagTool::~DiagTool() {}
24
25	typedef llvm::StringMap<DiagTool *> ToolMap;
26	static inline ToolMap getTools(void v) { return static_cast<ToolMap*>(v); }
27
28	DiagTools::DiagTools() : tools(new ToolMap()) {}
29	DiagTools::~DiagTools() { delete getTools(tools); }
30
31	DiagTool *DiagTools::getTool(llvm::StringRef toolCmd) {
32	ToolMap::iterator it = getTools(tools)->find(toolCmd);
33	return (it == getTools(tools)->end()) ? nullptr : it->getValue();
34	}
35
36	void DiagTools::registerTool(DiagTool *tool) {
37	(*getTools(tools))[tool->getName()] = tool;
38	}
39
40	void DiagTools::printCommands(llvm::raw_ostream &out) {
41	std::vector<llvm::StringRef> toolNames;
42	unsigned maxName = 0;
43	for (ToolMap::iterator it = getTools(tools)->begin(),
44	ei = getTools(tools)->end(); it != ei; ++it) {
45	toolNames.push_back(it->getKey());
46	unsigned len = it->getKey().size();
47	if (len > maxName)
48	maxName = len;
49	}
50	llvm::sort(toolNames);
51
52	for (std::vector<llvm::StringRef>::iterator it = toolNames.begin(),
53	ei = toolNames.end(); it != ei; ++it) {
54
55	out << " " << (*it);
56	unsigned spaces = (maxName + 3) - (it->size());
57	for (unsigned i = 0; i < spaces; ++i)
58	out << ' ';
59
60	out << getTool(*it)->getDescription() << '\n';
61	}
62	}
63
64	namespace diagtool {
65	llvm::ManagedStatic<DiagTools> diagTools;
66	}
67

diagtool::DiagTools::getTool

diagtool::DiagTools::registerTool

diagtool::DiagTools::printCommands

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