[libc] Use entrypoints.txt as the single source of list of functions for a platform.
[lldb.git] / libc / utils / HdrGen / Generator.h
1 //===-- The main header generation class ------------------------*- C++ -*-===//
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 #ifndef LLVM_LIBC_UTILS_HDRGEN_GENERATOR_H
10 #define LLVM_LIBC_UTILS_HDRGEN_GENERATOR_H
11
12 #include "Command.h"
13
14 #include "llvm/ADT/SmallVector.h"
15 #include "llvm/ADT/StringRef.h"
16
17 #include <memory>
18 #include <string>
19 #include <unordered_map>
20
21 namespace llvm {
22
23 class raw_ostream;
24 class RecordKeeper;
25
26 } // namespace llvm
27
28 namespace llvm_libc {
29
30 class Command;
31
32 class Generator {
33   llvm::StringRef HeaderDefFile;
34   const std::vector<std::string> &EntrypointNameList;
35   llvm::StringRef StdHeader;
36   std::unordered_map<std::string, std::string> &ArgMap;
37
38   std::unique_ptr<Command> IncludeFileCmd;
39   std::unique_ptr<Command> PublicAPICmd;
40
41   Command *getCommandHandler(llvm::StringRef CommandName);
42
43   void parseCommandArgs(llvm::StringRef ArgStr, ArgVector &Args);
44
45   void printError(llvm::StringRef Msg);
46
47 public:
48   Generator(const std::string &DefFile, const std::vector<std::string> &EN,
49             const std::string &Header,
50             std::unordered_map<std::string, std::string> &Map)
51       : HeaderDefFile(DefFile), EntrypointNameList(EN), StdHeader(Header),
52         ArgMap(Map) {}
53
54   void generate(llvm::raw_ostream &OS, llvm::RecordKeeper &Records);
55 };
56
57 } // namespace llvm_libc
58
59 #endif // LLVM_LIBC_UTILS_HDRGEN_GENERATOR_H