127 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			127 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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| 
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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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| 
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| using namespace llvm;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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