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//===--- ClangCommentHTMLTagsEmitter.cpp - Generate HTML tag list for Clang -=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend emits efficient matchers for HTML tags that are used
// in documentation comments.
//
//===----------------------------------------------------------------------===//
#include "TableGenBackends.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <vector>
using namespace llvm;
void clang::EmitClangCommentHTMLTags(RecordKeeper &Records, raw_ostream &OS) {
std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag");
std::vector<StringMatcher::StringPair> Matches;
for (Record *Tag : Tags) {
Matches.emplace_back(Tag->getValueAsString("Spelling"), "return true;");
}
emitSourceFileHeader("HTML tag name matcher", OS);
OS << "bool isHTMLTagName(StringRef Name) {\n";
StringMatcher("Name", Matches, OS).Emit();
OS << " return false;\n"
<< "}\n\n";
}
void clang::EmitClangCommentHTMLTagsProperties(RecordKeeper &Records,
raw_ostream &OS) {
std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag");
std::vector<StringMatcher::StringPair> MatchesEndTagOptional;
std::vector<StringMatcher::StringPair> MatchesEndTagForbidden;
for (Record *Tag : Tags) {
std::string Spelling = Tag->getValueAsString("Spelling");
StringMatcher::StringPair Match(Spelling, "return true;");
if (Tag->getValueAsBit("EndTagOptional"))
MatchesEndTagOptional.push_back(Match);
if (Tag->getValueAsBit("EndTagForbidden"))
MatchesEndTagForbidden.push_back(Match);
}
emitSourceFileHeader("HTML tag properties", OS);
OS << "bool isHTMLEndTagOptional(StringRef Name) {\n";
StringMatcher("Name", MatchesEndTagOptional, OS).Emit();
OS << " return false;\n"
<< "}\n\n";
OS << "bool isHTMLEndTagForbidden(StringRef Name) {\n";
StringMatcher("Name", MatchesEndTagForbidden, OS).Emit();
OS << " return false;\n"
<< "}\n\n";
}
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