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9c93e728bf
Each emitter became self-contained since it has the registration of option. Differential Revision: https://reviews.llvm.org/D144351
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
//===- TableGen.cpp - Top-Level TableGen implementation for LLVM ----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the main function for LLVM's TableGen.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TableGen/Main.h"
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#include "llvm/TableGen/Record.h"
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#include "llvm/TableGen/SetTheory.h"
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#include "llvm/TableGen/TableGenBackend.h"
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#include <cassert>
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#include <string>
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#include <vector>
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using namespace llvm;
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namespace llvm {
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cl::opt<bool> EmitLongStrLiterals(
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"long-string-literals",
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cl::desc("when emitting large string tables, prefer string literals over "
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"comma-separated char literals. This can be a readability and "
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"compile-time performance win, but upsets some compilers"),
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cl::Hidden, cl::init(true));
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} // end namespace llvm
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namespace {
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cl::OptionCategory PrintEnumsCat("Options for -print-enums");
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cl::opt<std::string> Class("class", cl::desc("Print Enum list for this class"),
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cl::value_desc("class name"),
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cl::cat(PrintEnumsCat));
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void PrintRecords(RecordKeeper &Records, raw_ostream &OS) {
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OS << Records; // No argument, dump all contents
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}
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void PrintEnums(RecordKeeper &Records, raw_ostream &OS) {
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for (Record *Rec : Records.getAllDerivedDefinitions(Class))
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OS << Rec->getName() << ", ";
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OS << "\n";
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}
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void PrintSets(RecordKeeper &Records, raw_ostream &OS) {
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SetTheory Sets;
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Sets.addFieldExpander("Set", "Elements");
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for (Record *Rec : Records.getAllDerivedDefinitions("Set")) {
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OS << Rec->getName() << " = [";
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const std::vector<Record *> *Elts = Sets.expand(Rec);
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assert(Elts && "Couldn't expand Set instance");
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for (Record *Elt : *Elts)
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OS << ' ' << Elt->getName();
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OS << " ]\n";
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}
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}
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TableGen::Emitter::Opt X[] = {
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{"print-records", PrintRecords, "Print all records to stdout (default)",
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true},
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{"print-detailed-records", EmitDetailedRecords,
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"Print full details of all records to stdout"},
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{"null-backend", [](RecordKeeper &Records, raw_ostream &OS) {},
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"Do nothing after parsing (useful for timing)"},
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{"dump-json", EmitJSON, "Dump all records as machine-readable JSON"},
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{"print-enums", PrintEnums, "Print enum values for a class"},
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{"print-sets", PrintSets, "Print expanded sets for testing DAG exprs"},
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};
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} // namespace
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int main(int argc, char **argv) {
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InitLLVM X(argc, argv);
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cl::ParseCommandLineOptions(argc, argv);
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return TableGenMain(argv[0]);
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}
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#ifndef __has_feature
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#define __has_feature(x) 0
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#endif
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#if __has_feature(address_sanitizer) || \
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(defined(__SANITIZE_ADDRESS__) && defined(__GNUC__)) || \
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__has_feature(leak_sanitizer)
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#include <sanitizer/lsan_interface.h>
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// Disable LeakSanitizer for this binary as it has too many leaks that are not
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// very interesting to fix. See compiler-rt/include/sanitizer/lsan_interface.h .
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LLVM_ATTRIBUTE_USED int __lsan_is_turned_off() { return 1; }
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#endif
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