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/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
  21 using namespace llvm;
  22 using namespace lldb_private;
  23
  24 enum ActionType {
  25   PrintRecords,
  26   DumpJSON,
  27   GenOptionDefs,
  28   GenPropertyDefs,
  29   GenPropertyEnumDefs,
  30 };
  31
  32 static 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
  45 static 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
  66 int 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 .
  81 int __lsan_is_turned_off() { return 1; }
  82 #endif // __has_feature(address_sanitizer)
  83 #endif // defined(__has_feature)