xref: /freebsd/contrib/llvm-project/lldb/utils/TableGen/LLDBTableGen.cpp (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
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)
84