forked from OSchip/llvm-project
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===-- "main" function of libc-hdrgen ------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Generator.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/TableGen/Main.h"
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#include <string>
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#include <unordered_map>
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namespace {
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llvm::cl::opt<std::string>
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HeaderDefFile("def", llvm::cl::desc("Path to the .h.def file."),
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llvm::cl::value_desc("<filename>"), llvm::cl::Required);
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llvm::cl::opt<std::string> StandardHeader(
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"header",
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llvm::cl::desc("The standard header file which is to be generated."),
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llvm::cl::value_desc("<header file>"));
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llvm::cl::list<std::string> ReplacementValues(
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"args", llvm::cl::desc("Command separated <argument name>=<value> pairs."),
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llvm::cl::value_desc("<name=value>[,name=value]"));
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void ParseArgValuePairs(std::unordered_map<std::string, std::string> &Map) {
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for (std::string &R : ReplacementValues) {
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auto Pair = llvm::StringRef(R).split('=');
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Map[std::string(Pair.first)] = std::string(Pair.second);
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}
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}
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} // anonymous namespace
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namespace llvm_libc {
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bool HeaderGeneratorMain(llvm::raw_ostream &OS, llvm::RecordKeeper &Records) {
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std::unordered_map<std::string, std::string> ArgMap;
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ParseArgValuePairs(ArgMap);
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Generator G(HeaderDefFile, StandardHeader, ArgMap);
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G.generate(OS, Records);
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return false;
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}
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} // namespace llvm_libc
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int main(int argc, char *argv[]) {
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llvm::cl::ParseCommandLineOptions(argc, argv);
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return TableGenMain(argv[0], &llvm_libc::HeaderGeneratorMain);
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}
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