126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
//===--- ClangCommentCommandInfoEmitter.cpp - Generate command lists -----====//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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.push_back(StringMatcher::StringPair(Name, 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 NULL;\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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