LLDBTableGen.cpp revision 360784 
1//===- LLDBTableGen.cpp - Top-Level TableGen implementation for LLDB ------===//
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 contains the main function for LLDB's TableGen.
10//
11//===----------------------------------------------------------------------===//
12
13#include "LLDBTableGenBackends.h" // Declares all backends.
14#include "llvm/Support/CommandLine.h"
15#include "llvm/Support/PrettyStackTrace.h"
16#include "llvm/Support/Signals.h"
17#include "llvm/TableGen/Error.h"
18#include "llvm/TableGen/Main.h"
19#include "llvm/TableGen/Record.h"
20
21using namespace llvm;
22using namespace lldb_private;
23
24enum ActionType {
25  PrintRecords,
26  DumpJSON,
27  GenOptionDefs,
28  GenPropertyDefs,
29  GenPropertyEnumDefs,
30};
31
32static cl::opt<ActionType> Action(
33    cl::desc("Action to perform:"),
34    cl::values(clEnumValN(PrintRecords, "print-records",
35                          "Print all records to stdout (default)"),
36               clEnumValN(DumpJSON, "dump-json",
37                          "Dump all records as machine-readable JSON"),
38               clEnumValN(GenOptionDefs, "gen-lldb-option-defs",
39                          "Generate lldb option definitions"),
40               clEnumValN(GenPropertyDefs, "gen-lldb-property-defs",
41                          "Generate lldb property definitions"),
42               clEnumValN(GenPropertyEnumDefs, "gen-lldb-property-enum-defs",
43                          "Generate lldb property enum definitions")));
44
45static bool LLDBTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
46  switch (Action) {
47  case PrintRecords:
48    OS << Records; // No argument, dump all contents
49    break;
50  case DumpJSON:
51    EmitJSON(Records, OS);
52    break;
53  case GenOptionDefs:
54    EmitOptionDefs(Records, OS);
55    break;
56  case GenPropertyDefs:
57    EmitPropertyDefs(Records, OS);
58    break;
59  case GenPropertyEnumDefs:
60    EmitPropertyEnumDefs(Records, OS);
61    break;
62  }
63  return false;
64}
65
66int main(int argc, char **argv) {
67  sys::PrintStackTraceOnErrorSignal(argv[0]);
68  PrettyStackTraceProgram X(argc, argv);
69  cl::ParseCommandLineOptions(argc, argv);
70
71  llvm_shutdown_obj Y;
72
73  return TableGenMain(argv[0], &LLDBTableGenMain);
74}
75
76#ifdef __has_feature
77#if __has_feature(address_sanitizer)
78#include <sanitizer/lsan_interface.h>
79// Disable LeakSanitizer for this binary as it has too many leaks that are not
80// very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
81int __lsan_is_turned_off() { return 1; }
82#endif // __has_feature(address_sanitizer)
83#endif // defined(__has_feature)
84