2946cd7010
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
//===--- ClangCommentCommandInfoEmitter.cpp - Generate command lists -----====//
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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 tablegen backend emits command lists and efficient matchers for command
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// names that are used in documentation comments.
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//
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//===----------------------------------------------------------------------===//
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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 <vector>
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using namespace llvm;
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namespace clang {
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void EmitClangCommentCommandInfo(RecordKeeper &Records, raw_ostream &OS) {
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emitSourceFileHeader("A list of commands useable in documentation "
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"comments", OS);
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OS << "namespace {\n"
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"const CommandInfo Commands[] = {\n";
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std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Command");
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for (size_t i = 0, e = Tags.size(); i != e; ++i) {
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Record &Tag = *Tags[i];
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OS << " { "
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<< "\"" << Tag.getValueAsString("Name") << "\", "
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<< "\"" << Tag.getValueAsString("EndCommandName") << "\", "
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<< i << ", "
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<< Tag.getValueAsInt("NumArgs") << ", "
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<< Tag.getValueAsBit("IsInlineCommand") << ", "
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<< Tag.getValueAsBit("IsBlockCommand") << ", "
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<< Tag.getValueAsBit("IsBriefCommand") << ", "
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<< Tag.getValueAsBit("IsReturnsCommand") << ", "
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<< Tag.getValueAsBit("IsParamCommand") << ", "
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<< Tag.getValueAsBit("IsTParamCommand") << ", "
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<< Tag.getValueAsBit("IsThrowsCommand") << ", "
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<< Tag.getValueAsBit("IsDeprecatedCommand") << ", "
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<< Tag.getValueAsBit("IsHeaderfileCommand") << ", "
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<< Tag.getValueAsBit("IsEmptyParagraphAllowed") << ", "
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<< Tag.getValueAsBit("IsVerbatimBlockCommand") << ", "
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<< Tag.getValueAsBit("IsVerbatimBlockEndCommand") << ", "
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<< Tag.getValueAsBit("IsVerbatimLineCommand") << ", "
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<< Tag.getValueAsBit("IsDeclarationCommand") << ", "
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<< Tag.getValueAsBit("IsFunctionDeclarationCommand") << ", "
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<< Tag.getValueAsBit("IsRecordLikeDetailCommand") << ", "
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<< Tag.getValueAsBit("IsRecordLikeDeclarationCommand") << ", "
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<< /* IsUnknownCommand = */ "0"
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<< " }";
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if (i + 1 != e)
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OS << ",";
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OS << "\n";
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}
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OS << "};\n"
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"} // unnamed namespace\n\n";
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std::vector<StringMatcher::StringPair> Matches;
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for (size_t i = 0, e = Tags.size(); i != e; ++i) {
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Record &Tag = *Tags[i];
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std::string Name = Tag.getValueAsString("Name");
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std::string Return;
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raw_string_ostream(Return) << "return &Commands[" << i << "];";
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Matches.emplace_back(std::move(Name), std::move(Return));
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}
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OS << "const CommandInfo *CommandTraits::getBuiltinCommandInfo(\n"
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<< " StringRef Name) {\n";
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StringMatcher("Name", Matches, OS).Emit();
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OS << " return nullptr;\n"
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<< "}\n\n";
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}
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static std::string MangleName(StringRef Str) {
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std::string Mangled;
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for (unsigned i = 0, e = Str.size(); i != e; ++i) {
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switch (Str[i]) {
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default:
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Mangled += Str[i];
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break;
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case '[':
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Mangled += "lsquare";
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break;
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case ']':
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Mangled += "rsquare";
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break;
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case '{':
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Mangled += "lbrace";
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break;
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case '}':
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Mangled += "rbrace";
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break;
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case '$':
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Mangled += "dollar";
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break;
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case '/':
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Mangled += "slash";
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break;
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}
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}
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return Mangled;
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}
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void EmitClangCommentCommandList(RecordKeeper &Records, raw_ostream &OS) {
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emitSourceFileHeader("A list of commands useable in documentation "
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"comments", OS);
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OS << "#ifndef COMMENT_COMMAND\n"
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<< "# define COMMENT_COMMAND(NAME)\n"
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<< "#endif\n";
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std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Command");
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for (size_t i = 0, e = Tags.size(); i != e; ++i) {
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Record &Tag = *Tags[i];
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std::string MangledName = MangleName(Tag.getValueAsString("Name"));
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OS << "COMMENT_COMMAND(" << MangledName << ")\n";
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}
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}
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} // end namespace clang
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