lldb/utils/TableGen/LLDBTableGen.cpp

   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/ManagedStatic.h"
  16 #include "llvm/Support/PrettyStackTrace.h"
  17 #include "llvm/Support/Signals.h"
  18 #include "llvm/TableGen/Error.h"
  19 #include "llvm/TableGen/Main.h"
  20 #include "llvm/TableGen/Record.h"
  21
  22 using namespace llvm;
  23 using namespace lldb_private;
  24
  25 enum ActionType {
  26   PrintRecords,
  27   DumpJSON,
  28   GenOptionDefs,
  29   GenPropertyDefs,
  30   GenPropertyEnumDefs,
  31 };
  32
  33 static cl::opt<ActionType> Action(
  34     cl::desc("Action to perform:"),
  35     cl::values(clEnumValN(PrintRecords, "print-records",
  36                           "Print all records to stdout (default)"),
  37                clEnumValN(DumpJSON, "dump-json",
  38                           "Dump all records as machine-readable JSON"),
  39                clEnumValN(GenOptionDefs, "gen-lldb-option-defs",
  40                           "Generate lldb option definitions"),
  41                clEnumValN(GenPropertyDefs, "gen-lldb-property-defs",
  42                           "Generate lldb property definitions"),
  43                clEnumValN(GenPropertyEnumDefs, "gen-lldb-property-enum-defs",
  44                           "Generate lldb property enum definitions")));
  45
  46 static bool LLDBTableGenMain(raw_ostream &OS, const RecordKeeper &Records) {
  47   switch (Action) {
  48   case PrintRecords:
  49     OS << Records; // No argument, dump all contents
  50     break;
  51   case DumpJSON:
  52     EmitJSON(Records, OS);
  53     break;
  54   case GenOptionDefs:
  55     EmitOptionDefs(Records, OS);
  56     break;
  57   case GenPropertyDefs:
  58     EmitPropertyDefs(Records, OS);
  59     break;
  60   case GenPropertyEnumDefs:
  61     EmitPropertyEnumDefs(Records, OS);
  62     break;
  63   }
  64   return false;
  65 }
  66
  67 int main(int argc, char **argv) {
  68   sys::PrintStackTraceOnErrorSignal(argv[0]);
  69   PrettyStackTraceProgram X(argc, argv);
  70   cl::ParseCommandLineOptions(argc, argv);
  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 .
  81 int __lsan_is_turned_off() { return 1; }
  82 #endif // __has_feature(address_sanitizer)
  83 #endif // defined(__has_feature)