1 //===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===// 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 Clang'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 }; 29 30 static cl::opt<ActionType> 31 Action(cl::desc("Action to perform:"), 32 cl::values(clEnumValN(PrintRecords, "print-records", 33 "Print all records to stdout (default)"), 34 clEnumValN(DumpJSON, "dump-json", 35 "Dump all records as machine-readable JSON"), 36 clEnumValN(GenOptionDefs, "gen-lldb-option-defs", 37 "Generate clang attribute clases"))); 38 39 static bool LLDBTableGenMain(raw_ostream &OS, RecordKeeper &Records) { 40 switch (Action) { 41 case PrintRecords: 42 OS << Records; // No argument, dump all contents 43 break; 44 case DumpJSON: 45 EmitJSON(Records, OS); 46 break; 47 case GenOptionDefs: 48 EmitOptionDefs(Records, OS); 49 break; 50 } 51 return false; 52 } 53 54 int main(int argc, char **argv) { 55 sys::PrintStackTraceOnErrorSignal(argv[0]); 56 PrettyStackTraceProgram X(argc, argv); 57 cl::ParseCommandLineOptions(argc, argv); 58 59 llvm_shutdown_obj Y; 60 61 return TableGenMain(argv[0], &LLDBTableGenMain); 62 } 63 64 #ifdef __has_feature 65 #if __has_feature(address_sanitizer) 66 #include <sanitizer/lsan_interface.h> 67 // Disable LeakSanitizer for this binary as it has too many leaks that are not 68 // very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h . 69 int __lsan_is_turned_off() { return 1; } 70 #endif // __has_feature(address_sanitizer) 71 #endif // defined(__has_feature) 72