71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
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//===--- ClangCommentHTMLTagsEmitter.cpp - Generate HTML tag list for Clang -=//
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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 efficient matchers for HTML tags that are used
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// 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 EmitClangCommentHTMLTags(RecordKeeper &Records, raw_ostream &OS) {
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std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag");
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std::vector<StringMatcher::StringPair> Matches;
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for (std::vector<Record *>::iterator I = Tags.begin(), E = Tags.end();
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I != E; ++I) {
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Record &Tag = **I;
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std::string Spelling = Tag.getValueAsString("Spelling");
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Matches.push_back(StringMatcher::StringPair(Spelling, "return true;"));
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}
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emitSourceFileHeader("HTML tag name matcher", OS);
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OS << "bool isHTMLTagName(StringRef Name) {\n";
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StringMatcher("Name", Matches, OS).Emit();
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OS << " return false;\n"
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<< "}\n\n";
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}
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void EmitClangCommentHTMLTagsProperties(RecordKeeper &Records,
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raw_ostream &OS) {
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std::vector<Record *> Tags = Records.getAllDerivedDefinitions("Tag");
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std::vector<StringMatcher::StringPair> MatchesEndTagOptional;
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std::vector<StringMatcher::StringPair> MatchesEndTagForbidden;
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for (std::vector<Record *>::iterator I = Tags.begin(), E = Tags.end();
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I != E; ++I) {
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Record &Tag = **I;
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std::string Spelling = Tag.getValueAsString("Spelling");
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StringMatcher::StringPair Match(Spelling, "return true;");
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if (Tag.getValueAsBit("EndTagOptional"))
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MatchesEndTagOptional.push_back(Match);
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if (Tag.getValueAsBit("EndTagForbidden"))
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MatchesEndTagForbidden.push_back(Match);
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}
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emitSourceFileHeader("HTML tag properties", OS);
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OS << "bool isHTMLEndTagOptional(StringRef Name) {\n";
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StringMatcher("Name", MatchesEndTagOptional, OS).Emit();
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OS << " return false;\n"
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<< "}\n\n";
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OS << "bool isHTMLEndTagForbidden(StringRef Name) {\n";
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StringMatcher("Name", MatchesEndTagForbidden, OS).Emit();
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OS << " return false;\n"
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<< "}\n\n";
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}
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} // end namespace clang
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