Import missed sources for lldb-specific TableGen tool.
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2020-12-20 02:59:44 +00:00
svn path=/vendor/lldb/dist/; revision=351489 svn path=/vendor/lldb/lldb-trunk-r366426/; revision=351491; tag=vendor/lldb/lldb-trunk-r366426
151
utils/TableGen/LLDBOptionDefEmitter.cpp
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151
utils/TableGen/LLDBOptionDefEmitter.cpp
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//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
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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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// These tablegen backends emits LLDB's OptionDefinition values for different
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// LLDB commands.
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//
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//===----------------------------------------------------------------------===//
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#include "LLDBTableGenBackends.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/TableGen/Record.h"
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#include "llvm/TableGen/StringMatcher.h"
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#include "llvm/TableGen/TableGenBackend.h"
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#include <map>
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#include <vector>
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using namespace llvm;
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/// Map of command names to their associated records. Also makes sure our
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/// commands are sorted in a deterministic way.
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typedef std::map<std::string, std::vector<Record *>> RecordsByCommand;
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/// Groups all records by their command.
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static RecordsByCommand getCommandList(std::vector<Record *> Options) {
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RecordsByCommand result;
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for (Record *Option : Options)
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result[Option->getValueAsString("Command").str()].push_back(Option);
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return result;
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}
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static void emitOption(Record *Option, raw_ostream &OS) {
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OS << " {";
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// List of option groups this option is in.
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std::vector<std::string> GroupsArg;
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if (Option->getValue("Groups")) {
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// The user specified a list of groups.
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auto Groups = Option->getValueAsListOfInts("Groups");
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for (int Group : Groups)
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GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(Group));
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} else if (Option->getValue("GroupStart")) {
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// The user specified a range of groups (with potentially only one element).
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int GroupStart = Option->getValueAsInt("GroupStart");
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int GroupEnd = Option->getValueAsInt("GroupEnd");
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for (int i = GroupStart; i <= GroupEnd; ++i)
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GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(i));
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}
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// If we have any groups, we merge them. Otherwise we move this option into
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// the all group.
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if (GroupsArg.empty())
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OS << "LLDB_OPT_SET_ALL";
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else
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OS << llvm::join(GroupsArg.begin(), GroupsArg.end(), " | ");
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OS << ", ";
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// Check if this option is required.
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OS << (Option->getValue("Required") ? "true" : "false");
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// Add the full and short name for this option.
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OS << ", \"" << Option->getValueAsString("FullName") << "\", ";
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OS << '\'' << Option->getValueAsString("ShortName") << "'";
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auto ArgType = Option->getValue("ArgType");
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bool IsOptionalArg = Option->getValue("OptionalArg") != nullptr;
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// Decide if we have either an option, required or no argument for this
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// option.
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OS << ", OptionParser::";
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if (ArgType) {
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if (IsOptionalArg)
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OS << "eOptionalArgument";
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else
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OS << "eRequiredArgument";
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} else
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OS << "eNoArgument";
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OS << ", nullptr, ";
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if (Option->getValue("ArgEnum"))
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OS << Option->getValueAsString("ArgEnum");
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else
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OS << "{}";
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OS << ", ";
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// Read the tab completions we offer for this option (if there are any)
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if (Option->getValue("Completions")) {
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auto Completions = Option->getValueAsListOfStrings("Completions");
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std::vector<std::string> CompletionArgs;
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for (llvm::StringRef Completion : Completions)
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CompletionArgs.push_back("CommandCompletions::e" + Completion.str() +
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"Completion");
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OS << llvm::join(CompletionArgs.begin(), CompletionArgs.end(), " | ");
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} else {
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OS << "CommandCompletions::eNoCompletion";
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}
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// Add the argument type.
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OS << ", eArgType";
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if (ArgType) {
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OS << ArgType->getValue()->getAsUnquotedString();
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} else
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OS << "None";
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OS << ", ";
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// Add the description if there is any.
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if (auto D = Option->getValue("Description"))
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OS << D->getValue()->getAsString();
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else
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OS << "\"\"";
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OS << "},\n";
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}
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/// Emits all option initializers to the raw_ostream.
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static void emitOptions(std::string Command, std::vector<Record *> Option,
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raw_ostream &OS) {
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// Generate the macro that the user needs to define before including the
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// *.inc file.
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std::string NeededMacro = "LLDB_OPTIONS_" + Command;
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std::replace(NeededMacro.begin(), NeededMacro.end(), ' ', '_');
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// All options are in one file, so we need put them behind macros and ask the
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// user to define the macro for the options that are needed.
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OS << "// Options for " << Command << "\n";
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OS << "#ifdef " << NeededMacro << "\n";
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for (Record *R : Option)
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emitOption(R, OS);
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// We undefine the macro for the user like Clang's include files are doing it.
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OS << "#undef " << NeededMacro << "\n";
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OS << "#endif // " << Command << " command\n\n";
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}
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void lldb_private::EmitOptionDefs(RecordKeeper &Records, raw_ostream &OS) {
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std::vector<Record *> Options = Records.getAllDerivedDefinitions("Option");
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emitSourceFileHeader("Options for LLDB command line commands.", OS);
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RecordsByCommand ByCommand = getCommandList(Options);
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for (auto &CommandRecordPair : ByCommand) {
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emitOptions(CommandRecordPair.first, CommandRecordPair.second, OS);
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}
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}
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71
utils/TableGen/LLDBTableGen.cpp
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utils/TableGen/LLDBTableGen.cpp
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//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
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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 Clang's TableGen.
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//
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//===----------------------------------------------------------------------===//
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#include "LLDBTableGenBackends.h" // Declares all backends.
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/TableGen/Error.h"
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#include "llvm/TableGen/Main.h"
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#include "llvm/TableGen/Record.h"
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using namespace llvm;
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using namespace lldb_private;
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enum ActionType {
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PrintRecords,
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DumpJSON,
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GenOptionDefs,
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};
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static cl::opt<ActionType>
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Action(cl::desc("Action to perform:"),
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cl::values(clEnumValN(PrintRecords, "print-records",
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"Print all records to stdout (default)"),
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clEnumValN(DumpJSON, "dump-json",
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"Dump all records as machine-readable JSON"),
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clEnumValN(GenOptionDefs, "gen-lldb-option-defs",
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"Generate clang attribute clases")));
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static bool LLDBTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
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switch (Action) {
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case PrintRecords:
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OS << Records; // No argument, dump all contents
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break;
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case DumpJSON:
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EmitJSON(Records, OS);
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break;
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case GenOptionDefs:
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EmitOptionDefs(Records, OS);
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break;
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}
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return false;
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}
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int main(int argc, char **argv) {
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sys::PrintStackTraceOnErrorSignal(argv[0]);
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PrettyStackTraceProgram X(argc, argv);
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cl::ParseCommandLineOptions(argc, argv);
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llvm_shutdown_obj Y;
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return TableGenMain(argv[0], &LLDBTableGenMain);
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}
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#ifdef __has_feature
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#if __has_feature(address_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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int __lsan_is_turned_off() { return 1; }
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#endif // __has_feature(address_sanitizer)
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#endif // defined(__has_feature)
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utils/TableGen/LLDBTableGenBackends.h
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utils/TableGen/LLDBTableGenBackends.h
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//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
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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 declarations for all of the LLDB TableGen
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// backends. A "TableGen backend" is just a function. See
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// "$LLVM_ROOT/utils/TableGen/TableGenBackends.h" for more info.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LLDB_UTILS_TABLEGEN_TABLEGENBACKENDS_H
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#define LLVM_LLDB_UTILS_TABLEGEN_TABLEGENBACKENDS_H
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#include <string>
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namespace llvm {
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class raw_ostream;
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class RecordKeeper;
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} // namespace llvm
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using llvm::raw_ostream;
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using llvm::RecordKeeper;
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namespace lldb_private {
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void EmitOptionDefs(RecordKeeper &RK, raw_ostream &OS);
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} // namespace lldb_private
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#endif
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