1 //===--- ClangCommentHTMLTagsEmitter.cpp - Generate HTML tag list for Clang -=// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This tablegen backend emits efficient matchers for HTML tags that are used 11 // in documentation comments. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "TableGenBackends.h" 16 #include "llvm/TableGen/Record.h" 17 #include "llvm/TableGen/StringMatcher.h" 18 #include "llvm/TableGen/TableGenBackend.h" 19 #include <vector> 20 21 using namespace llvm; 22 23 void clang::EmitClangCommentHTMLTags(RecordKeeper &Records, raw_ostream &OS) { 24 std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag"); 25 std::vector<StringMatcher::StringPair> Matches; 26 for (Record *Tag : Tags) { 27 std::string Spelling = Tag->getValueAsString("Spelling"); 28 Matches.push_back(StringMatcher::StringPair(Spelling, "return true;")); 29 } 30 31 emitSourceFileHeader("HTML tag name matcher", OS); 32 33 OS << "bool isHTMLTagName(StringRef Name) {\n"; 34 StringMatcher("Name", Matches, OS).Emit(); 35 OS << " return false;\n" 36 << "}\n\n"; 37 } 38 39 void clang::EmitClangCommentHTMLTagsProperties(RecordKeeper &Records, 40 raw_ostream &OS) { 41 std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag"); 42 std::vector<StringMatcher::StringPair> MatchesEndTagOptional; 43 std::vector<StringMatcher::StringPair> MatchesEndTagForbidden; 44 for (Record *Tag : Tags) { 45 std::string Spelling = Tag->getValueAsString("Spelling"); 46 StringMatcher::StringPair Match(Spelling, "return true;"); 47 if (Tag->getValueAsBit("EndTagOptional")) 48 MatchesEndTagOptional.push_back(Match); 49 if (Tag->getValueAsBit("EndTagForbidden")) 50 MatchesEndTagForbidden.push_back(Match); 51 } 52 53 emitSourceFileHeader("HTML tag properties", OS); 54 55 OS << "bool isHTMLEndTagOptional(StringRef Name) {\n"; 56 StringMatcher("Name", MatchesEndTagOptional, OS).Emit(); 57 OS << " return false;\n" 58 << "}\n\n"; 59 60 OS << "bool isHTMLEndTagForbidden(StringRef Name) {\n"; 61 StringMatcher("Name", MatchesEndTagForbidden, OS).Emit(); 62 OS << " return false;\n" 63 << "}\n\n"; 64 } 65 66
