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CommentToXML.cpp
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//===--- CommentToXML.cpp - Convert comments to XML representation --------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "clang/Index/CommentToXML.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Comment.h"
#include "clang/AST/CommentVisitor.h"
#include "clang/Format/Format.h"
#include "clang/Index/USRGeneration.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/TinyPtrVector.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace clang::comments;
using namespace clang::index;
namespace {
/// This comparison will sort parameters with valid index by index, then vararg
/// parameters, and invalid (unresolved) parameters last.
class ParamCommandCommentCompareIndex {
public:
bool operator()(const ParamCommandComment *LHS,
const ParamCommandComment *RHS) const {
unsigned LHSIndex = UINT_MAX;
unsigned RHSIndex = UINT_MAX;
if (LHS->isParamIndexValid()) {
if (LHS->isVarArgParam())
LHSIndex = UINT_MAX - 1;
else
LHSIndex = LHS->getParamIndex();
}
if (RHS->isParamIndexValid()) {
if (RHS->isVarArgParam())
RHSIndex = UINT_MAX - 1;
else
RHSIndex = RHS->getParamIndex();
}
return LHSIndex < RHSIndex;
}
};
/// This comparison will sort template parameters in the following order:
/// \li real template parameters (depth = 1) in index order;
/// \li all other names (depth > 1);
/// \li unresolved names.
class TParamCommandCommentComparePosition {
public:
bool operator()(const TParamCommandComment *LHS,
const TParamCommandComment *RHS) const {
// Sort unresolved names last.
if (!LHS->isPositionValid())
return false;
if (!RHS->isPositionValid())
return true;
if (LHS->getDepth() > 1)
return false;
if (RHS->getDepth() > 1)
return true;
// Sort template parameters in index order.
if (LHS->getDepth() == 1 && RHS->getDepth() == 1)
return LHS->getIndex(0) < RHS->getIndex(0);
// Leave all other names in source order.
return true;
}
};
/// Separate parts of a FullComment.
struct FullCommentParts {
/// Take a full comment apart and initialize members accordingly.
FullCommentParts(const FullComment *C,
const CommandTraits &Traits);
const BlockContentComment *Brief;
const BlockContentComment *Headerfile;
const ParagraphComment *FirstParagraph;
SmallVector<const BlockCommandComment *, 4> Returns;
SmallVector<const ParamCommandComment *, 8> Params;
SmallVector<const TParamCommandComment *, 4> TParams;
llvm::TinyPtrVector<const BlockCommandComment *> Exceptions;
SmallVector<const BlockContentComment *, 8> MiscBlocks;
};
FullCommentParts::FullCommentParts(const FullComment *C,
const CommandTraits &Traits) :
Brief(nullptr), Headerfile(nullptr), FirstParagraph(nullptr) {
for (Comment::child_iterator I = C->child_begin(), E = C->child_end();
I != E; ++I) {
const Comment *Child = *I;
if (!Child)
continue;
switch (Child->getCommentKind()) {
case Comment::NoCommentKind:
continue;
case Comment::ParagraphCommentKind: {
const ParagraphComment *PC = cast<ParagraphComment>(Child);
if (PC->isWhitespace())
break;
if (!FirstParagraph)
FirstParagraph = PC;
MiscBlocks.push_back(PC);
break;
}
case Comment::BlockCommandCommentKind: {
const BlockCommandComment *BCC = cast<BlockCommandComment>(Child);
const CommandInfo *Info = Traits.getCommandInfo(BCC->getCommandID());
if (!Brief && Info->IsBriefCommand) {
Brief = BCC;
break;
}
if (!Headerfile && Info->IsHeaderfileCommand) {
Headerfile = BCC;
break;
}
if (Info->IsReturnsCommand) {
Returns.push_back(BCC);
break;
}
if (Info->IsThrowsCommand) {
Exceptions.push_back(BCC);
break;
}
MiscBlocks.push_back(BCC);
break;
}
case Comment::ParamCommandCommentKind: {
const ParamCommandComment *PCC = cast<ParamCommandComment>(Child);
if (!PCC->hasParamName())
break;
if (!PCC->isDirectionExplicit() && !PCC->hasNonWhitespaceParagraph())
break;
Params.push_back(PCC);
break;
}
case Comment::TParamCommandCommentKind: {
const TParamCommandComment *TPCC = cast<TParamCommandComment>(Child);
if (!TPCC->hasParamName())
break;
if (!TPCC->hasNonWhitespaceParagraph())
break;
TParams.push_back(TPCC);
break;
}
case Comment::VerbatimBlockCommentKind:
MiscBlocks.push_back(cast<BlockCommandComment>(Child));
break;
case Comment::VerbatimLineCommentKind: {
const VerbatimLineComment *VLC = cast<VerbatimLineComment>(Child);
const CommandInfo *Info = Traits.getCommandInfo(VLC->getCommandID());
if (!Info->IsDeclarationCommand)
MiscBlocks.push_back(VLC);
break;
}
case Comment::TextCommentKind:
case Comment::InlineCommandCommentKind:
case Comment::HTMLStartTagCommentKind:
case Comment::HTMLEndTagCommentKind:
case Comment::VerbatimBlockLineCommentKind:
case Comment::FullCommentKind:
llvm_unreachable("AST node of this kind can't be a child of "
"a FullComment");
}
}
// Sort params in order they are declared in the function prototype.
// Unresolved parameters are put at the end of the list in the same order
// they were seen in the comment.
std::stable_sort(Params.begin(), Params.end(),
ParamCommandCommentCompareIndex());
std::stable_sort(TParams.begin(), TParams.end(),
TParamCommandCommentComparePosition());
}
void printHTMLStartTagComment(const HTMLStartTagComment *C,
llvm::raw_svector_ostream &Result) {
Result << "<" << C->getTagName();
if (C->getNumAttrs() != 0) {
for (unsigned i = 0, e = C->getNumAttrs(); i != e; i++) {
Result << " ";
const HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
Result << Attr.Name;
if (!Attr.Value.empty())
Result << "=\"" << Attr.Value << "\"";
}
}
if (!C->isSelfClosing())
Result << ">";
else
Result << "/>";
}
class CommentASTToHTMLConverter :
public ConstCommentVisitor<CommentASTToHTMLConverter> {
public:
/// \param Str accumulator for HTML.
CommentASTToHTMLConverter(const FullComment *FC,
SmallVectorImpl<char> &Str,
const CommandTraits &Traits) :
FC(FC), Result(Str), Traits(Traits)
{ }
// Inline content.
void visitTextComment(const TextComment *C);
void visitInlineCommandComment(const InlineCommandComment *C);
void visitHTMLStartTagComment(const HTMLStartTagComment *C);
void visitHTMLEndTagComment(const HTMLEndTagComment *C);
// Block content.
void visitParagraphComment(const ParagraphComment *C);
void visitBlockCommandComment(const BlockCommandComment *C);
void visitParamCommandComment(const ParamCommandComment *C);
void visitTParamCommandComment(const TParamCommandComment *C);
void visitVerbatimBlockComment(const VerbatimBlockComment *C);
void visitVerbatimBlockLineComment(const VerbatimBlockLineComment *C);
void visitVerbatimLineComment(const VerbatimLineComment *C);
void visitFullComment(const FullComment *C);
// Helpers.
/// Convert a paragraph that is not a block by itself (an argument to some
/// command).
void visitNonStandaloneParagraphComment(const ParagraphComment *C);
void appendToResultWithHTMLEscaping(StringRef S);
private:
const FullComment *FC;
/// Output stream for HTML.
llvm::raw_svector_ostream Result;
const CommandTraits &Traits;
};
} // end unnamed namespace
void CommentASTToHTMLConverter::visitTextComment(const TextComment *C) {
appendToResultWithHTMLEscaping(C->getText());
}
void CommentASTToHTMLConverter::visitInlineCommandComment(
const InlineCommandComment *C) {
// Nothing to render if no arguments supplied.
if (C->getNumArgs() == 0)
return;
// Nothing to render if argument is empty.
StringRef Arg0 = C->getArgText(0);
if (Arg0.empty())
return;
switch (C->getRenderKind()) {
case InlineCommandComment::RenderNormal:
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i) {
appendToResultWithHTMLEscaping(C->getArgText(i));
Result << " ";
}
return;
case InlineCommandComment::RenderBold:
assert(C->getNumArgs() == 1);
Result << "<b>";
appendToResultWithHTMLEscaping(Arg0);
Result << "</b>";
return;
case InlineCommandComment::RenderMonospaced:
assert(C->getNumArgs() == 1);
Result << "<tt>";
appendToResultWithHTMLEscaping(Arg0);
Result<< "</tt>";
return;
case InlineCommandComment::RenderEmphasized:
assert(C->getNumArgs() == 1);
Result << "<em>";
appendToResultWithHTMLEscaping(Arg0);
Result << "</em>";
return;
}
}
void CommentASTToHTMLConverter::visitHTMLStartTagComment(
const HTMLStartTagComment *C) {
printHTMLStartTagComment(C, Result);
}
void CommentASTToHTMLConverter::visitHTMLEndTagComment(
const HTMLEndTagComment *C) {
Result << "</" << C->getTagName() << ">";
}
void CommentASTToHTMLConverter::visitParagraphComment(
const ParagraphComment *C) {
if (C->isWhitespace())
return;
Result << "<p>";
for (Comment::child_iterator I = C->child_begin(), E = C->child_end();
I != E; ++I) {
visit(*I);
}
Result << "</p>";
}
void CommentASTToHTMLConverter::visitBlockCommandComment(
const BlockCommandComment *C) {
const CommandInfo *Info = Traits.getCommandInfo(C->getCommandID());
if (Info->IsBriefCommand) {
Result << "<p class=\"para-brief\">";
visitNonStandaloneParagraphComment(C->getParagraph());
Result << "</p>";
return;
}
if (Info->IsReturnsCommand) {
Result << "<p class=\"para-returns\">"
"<span class=\"word-returns\">Returns</span> ";
visitNonStandaloneParagraphComment(C->getParagraph());
Result << "</p>";
return;
}
// We don't know anything about this command. Just render the paragraph.
visit(C->getParagraph());
}
void CommentASTToHTMLConverter::visitParamCommandComment(
const ParamCommandComment *C) {
if (C->isParamIndexValid()) {
if (C->isVarArgParam()) {
Result << "<dt class=\"param-name-index-vararg\">";
appendToResultWithHTMLEscaping(C->getParamNameAsWritten());
} else {
Result << "<dt class=\"param-name-index-"
<< C->getParamIndex()
<< "\">";
appendToResultWithHTMLEscaping(C->getParamName(FC));
}
} else {
Result << "<dt class=\"param-name-index-invalid\">";
appendToResultWithHTMLEscaping(C->getParamNameAsWritten());
}
Result << "</dt>";
if (C->isParamIndexValid()) {
if (C->isVarArgParam())
Result << "<dd class=\"param-descr-index-vararg\">";
else
Result << "<dd class=\"param-descr-index-"
<< C->getParamIndex()
<< "\">";
} else
Result << "<dd class=\"param-descr-index-invalid\">";
visitNonStandaloneParagraphComment(C->getParagraph());
Result << "</dd>";
}
void CommentASTToHTMLConverter::visitTParamCommandComment(
const TParamCommandComment *C) {
if (C->isPositionValid()) {
if (C->getDepth() == 1)
Result << "<dt class=\"tparam-name-index-"
<< C->getIndex(0)
<< "\">";
else
Result << "<dt class=\"tparam-name-index-other\">";
appendToResultWithHTMLEscaping(C->getParamName(FC));
} else {
Result << "<dt class=\"tparam-name-index-invalid\">";
appendToResultWithHTMLEscaping(C->getParamNameAsWritten());
}
Result << "</dt>";
if (C->isPositionValid()) {
if (C->getDepth() == 1)
Result << "<dd class=\"tparam-descr-index-"
<< C->getIndex(0)
<< "\">";
else
Result << "<dd class=\"tparam-descr-index-other\">";
} else
Result << "<dd class=\"tparam-descr-index-invalid\">";
visitNonStandaloneParagraphComment(C->getParagraph());
Result << "</dd>";
}
void CommentASTToHTMLConverter::visitVerbatimBlockComment(
const VerbatimBlockComment *C) {
unsigned NumLines = C->getNumLines();
if (NumLines == 0)
return;
Result << "<pre>";
for (unsigned i = 0; i != NumLines; ++i) {
appendToResultWithHTMLEscaping(C->getText(i));
if (i + 1 != NumLines)
Result << '\n';
}
Result << "</pre>";
}
void CommentASTToHTMLConverter::visitVerbatimBlockLineComment(
const VerbatimBlockLineComment *C) {
llvm_unreachable("should not see this AST node");
}
void CommentASTToHTMLConverter::visitVerbatimLineComment(
const VerbatimLineComment *C) {
Result << "<pre>";
appendToResultWithHTMLEscaping(C->getText());
Result << "</pre>";
}
void CommentASTToHTMLConverter::visitFullComment(const FullComment *C) {
FullCommentParts Parts(C, Traits);
bool FirstParagraphIsBrief = false;
if (Parts.Headerfile)
visit(Parts.Headerfile);
if (Parts.Brief)
visit(Parts.Brief);
else if (Parts.FirstParagraph) {
Result << "<p class=\"para-brief\">";
visitNonStandaloneParagraphComment(Parts.FirstParagraph);
Result << "</p>";
FirstParagraphIsBrief = true;
}
for (unsigned i = 0, e = Parts.MiscBlocks.size(); i != e; ++i) {
const Comment *C = Parts.MiscBlocks[i];
if (FirstParagraphIsBrief && C == Parts.FirstParagraph)
continue;
visit(C);
}
if (Parts.TParams.size() != 0) {
Result << "<dl>";
for (unsigned i = 0, e = Parts.TParams.size(); i != e; ++i)
visit(Parts.TParams[i]);
Result << "</dl>";
}
if (Parts.Params.size() != 0) {
Result << "<dl>";
for (unsigned i = 0, e = Parts.Params.size(); i != e; ++i)
visit(Parts.Params[i]);
Result << "</dl>";
}
if (Parts.Returns.size() != 0) {
Result << "<div class=\"result-discussion\">";
for (unsigned i = 0, e = Parts.Returns.size(); i != e; ++i)
visit(Parts.Returns[i]);
Result << "</div>";
}
}
void CommentASTToHTMLConverter::visitNonStandaloneParagraphComment(
const ParagraphComment *C) {
if (!C)
return;
for (Comment::child_iterator I = C->child_begin(), E = C->child_end();
I != E; ++I) {
visit(*I);
}
}
void CommentASTToHTMLConverter::appendToResultWithHTMLEscaping(StringRef S) {
for (StringRef::iterator I = S.begin(), E = S.end(); I != E; ++I) {
const char C = *I;
switch (C) {
case '&':
Result << "&";
break;
case '<':
Result << "<";
break;
case '>':
Result << ">";
break;
case '"':
Result << """;
break;
case '\'':
Result << "'";
break;
case '/':
Result << "/";
break;
default:
Result << C;
break;
}
}
}
namespace {
class CommentASTToXMLConverter :
public ConstCommentVisitor<CommentASTToXMLConverter> {
public:
/// \param Str accumulator for XML.
CommentASTToXMLConverter(const FullComment *FC,
SmallVectorImpl<char> &Str,
const CommandTraits &Traits,
const SourceManager &SM) :
FC(FC), Result(Str), Traits(Traits), SM(SM) { }
// Inline content.
void visitTextComment(const TextComment *C);
void visitInlineCommandComment(const InlineCommandComment *C);
void visitHTMLStartTagComment(const HTMLStartTagComment *C);
void visitHTMLEndTagComment(const HTMLEndTagComment *C);
// Block content.
void visitParagraphComment(const ParagraphComment *C);
void appendParagraphCommentWithKind(const ParagraphComment *C,
StringRef Kind);
void visitBlockCommandComment(const BlockCommandComment *C);
void visitParamCommandComment(const ParamCommandComment *C);
void visitTParamCommandComment(const TParamCommandComment *C);
void visitVerbatimBlockComment(const VerbatimBlockComment *C);
void visitVerbatimBlockLineComment(const VerbatimBlockLineComment *C);
void visitVerbatimLineComment(const VerbatimLineComment *C);
void visitFullComment(const FullComment *C);
// Helpers.
void appendToResultWithXMLEscaping(StringRef S);
void appendToResultWithCDATAEscaping(StringRef S);
void formatTextOfDeclaration(const DeclInfo *DI,
SmallString<128> &Declaration);
private:
const FullComment *FC;
/// Output stream for XML.
llvm::raw_svector_ostream Result;
const CommandTraits &Traits;
const SourceManager &SM;
};
void getSourceTextOfDeclaration(const DeclInfo *ThisDecl,
SmallVectorImpl<char> &Str) {
ASTContext &Context = ThisDecl->CurrentDecl->getASTContext();
const LangOptions &LangOpts = Context.getLangOpts();
llvm::raw_svector_ostream OS(Str);
PrintingPolicy PPolicy(LangOpts);
PPolicy.PolishForDeclaration = true;
PPolicy.TerseOutput = true;
PPolicy.ConstantsAsWritten = true;
ThisDecl->CurrentDecl->print(OS, PPolicy,
/*Indentation*/0, /*PrintInstantiation*/false);
}
void CommentASTToXMLConverter::formatTextOfDeclaration(
const DeclInfo *DI, SmallString<128> &Declaration) {
// Formatting API expects null terminated input string.
StringRef StringDecl(Declaration.c_str(), Declaration.size());
// Formatter specific code.
unsigned Offset = 0;
unsigned Length = Declaration.size();
format::FormatStyle Style = format::getLLVMStyle();
Style.FixNamespaceComments = false;
tooling::Replacements Replaces =
reformat(Style, StringDecl, tooling::Range(Offset, Length), "xmldecl.xd");
auto FormattedStringDecl = applyAllReplacements(StringDecl, Replaces);
if (static_cast<bool>(FormattedStringDecl)) {
Declaration = *FormattedStringDecl;
}
}
} // end unnamed namespace
void CommentASTToXMLConverter::visitTextComment(const TextComment *C) {
appendToResultWithXMLEscaping(C->getText());
}
void CommentASTToXMLConverter::visitInlineCommandComment(
const InlineCommandComment *C) {
// Nothing to render if no arguments supplied.
if (C->getNumArgs() == 0)
return;
// Nothing to render if argument is empty.
StringRef Arg0 = C->getArgText(0);
if (Arg0.empty())
return;
switch (C->getRenderKind()) {
case InlineCommandComment::RenderNormal:
for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i) {
appendToResultWithXMLEscaping(C->getArgText(i));
Result << " ";
}
return;
case InlineCommandComment::RenderBold:
assert(C->getNumArgs() == 1);
Result << "<bold>";
appendToResultWithXMLEscaping(Arg0);
Result << "</bold>";
return;
case InlineCommandComment::RenderMonospaced:
assert(C->getNumArgs() == 1);
Result << "<monospaced>";
appendToResultWithXMLEscaping(Arg0);
Result << "</monospaced>";
return;
case InlineCommandComment::RenderEmphasized:
assert(C->getNumArgs() == 1);
Result << "<emphasized>";
appendToResultWithXMLEscaping(Arg0);
Result << "</emphasized>";
return;
}
}
void CommentASTToXMLConverter::visitHTMLStartTagComment(
const HTMLStartTagComment *C) {
Result << "<rawHTML";
if (C->isMalformed())
Result << " isMalformed=\"1\"";
Result << ">";
{
SmallString<32> Tag;
{
llvm::raw_svector_ostream TagOS(Tag);
printHTMLStartTagComment(C, TagOS);
}
appendToResultWithCDATAEscaping(Tag);
}
Result << "</rawHTML>";
}
void
CommentASTToXMLConverter::visitHTMLEndTagComment(const HTMLEndTagComment *C) {
Result << "<rawHTML";
if (C->isMalformed())
Result << " isMalformed=\"1\"";
Result << "></" << C->getTagName() << "></rawHTML>";
}
void
CommentASTToXMLConverter::visitParagraphComment(const ParagraphComment *C) {
appendParagraphCommentWithKind(C, StringRef());
}
void CommentASTToXMLConverter::appendParagraphCommentWithKind(
const ParagraphComment *C,
StringRef ParagraphKind) {
if (C->isWhitespace())
return;
if (ParagraphKind.empty())
Result << "<Para>";
else
Result << "<Para kind=\"" << ParagraphKind << "\">";
for (Comment::child_iterator I = C->child_begin(), E = C->child_end();
I != E; ++I) {
visit(*I);
}
Result << "</Para>";
}
void CommentASTToXMLConverter::visitBlockCommandComment(
const BlockCommandComment *C) {
StringRef ParagraphKind;
switch (C->getCommandID()) {
case CommandTraits::KCI_attention:
case CommandTraits::KCI_author:
case CommandTraits::KCI_authors:
case CommandTraits::KCI_bug:
case CommandTraits::KCI_copyright:
case CommandTraits::KCI_date:
case CommandTraits::KCI_invariant:
case CommandTraits::KCI_note:
case CommandTraits::KCI_post:
case CommandTraits::KCI_pre:
case CommandTraits::KCI_remark:
case CommandTraits::KCI_remarks:
case CommandTraits::KCI_sa:
case CommandTraits::KCI_see:
case CommandTraits::KCI_since:
case CommandTraits::KCI_todo:
case CommandTraits::KCI_version:
case CommandTraits::KCI_warning:
ParagraphKind = C->getCommandName(Traits);
break;
default:
break;
}
appendParagraphCommentWithKind(C->getParagraph(), ParagraphKind);
}
void CommentASTToXMLConverter::visitParamCommandComment(
const ParamCommandComment *C) {
Result << "<Parameter><Name>";
appendToResultWithXMLEscaping(C->isParamIndexValid()
? C->getParamName(FC)
: C->getParamNameAsWritten());
Result << "</Name>";
if (C->isParamIndexValid()) {
if (C->isVarArgParam())
Result << "<IsVarArg />";
else
Result << "<Index>" << C->getParamIndex() << "</Index>";
}
Result << "<Direction isExplicit=\"" << C->isDirectionExplicit() << "\">";
switch (C->getDirection()) {
case ParamCommandComment::In:
Result << "in";
break;
case ParamCommandComment::Out:
Result << "out";
break;
case ParamCommandComment::InOut:
Result << "in,out";
break;
}
Result << "</Direction><Discussion>";
visit(C->getParagraph());
Result << "</Discussion></Parameter>";
}
void CommentASTToXMLConverter::visitTParamCommandComment(
const TParamCommandComment *C) {
Result << "<Parameter><Name>";
appendToResultWithXMLEscaping(C->isPositionValid() ? C->getParamName(FC)
: C->getParamNameAsWritten());
Result << "</Name>";
if (C->isPositionValid() && C->getDepth() == 1) {
Result << "<Index>" << C->getIndex(0) << "</Index>";
}
Result << "<Discussion>";
visit(C->getParagraph());
Result << "</Discussion></Parameter>";
}
void CommentASTToXMLConverter::visitVerbatimBlockComment(
const VerbatimBlockComment *C) {
unsigned NumLines = C->getNumLines();
if (NumLines == 0)
return;
switch (C->getCommandID()) {
case CommandTraits::KCI_code:
Result << "<Verbatim xml:space=\"preserve\" kind=\"code\">";
break;
default:
Result << "<Verbatim xml:space=\"preserve\" kind=\"verbatim\">";
break;
}
for (unsigned i = 0; i != NumLines; ++i) {
appendToResultWithXMLEscaping(C->getText(i));
if (i + 1 != NumLines)
Result << '\n';
}
Result << "</Verbatim>";
}
void CommentASTToXMLConverter::visitVerbatimBlockLineComment(
const VerbatimBlockLineComment *C) {
llvm_unreachable("should not see this AST node");
}
void CommentASTToXMLConverter::visitVerbatimLineComment(
const VerbatimLineComment *C) {
Result << "<Verbatim xml:space=\"preserve\" kind=\"verbatim\">";
appendToResultWithXMLEscaping(C->getText());
Result << "</Verbatim>";
}
void CommentASTToXMLConverter::visitFullComment(const FullComment *C) {
FullCommentParts Parts(C, Traits);
const DeclInfo *DI = C->getDeclInfo();
StringRef RootEndTag;
if (DI) {
switch (DI->getKind()) {
case DeclInfo::OtherKind:
RootEndTag = "</Other>";
Result << "<Other";
break;
case DeclInfo::FunctionKind:
RootEndTag = "</Function>";
Result << "<Function";
switch (DI->TemplateKind) {
case DeclInfo::NotTemplate:
break;
case DeclInfo::Template:
Result << " templateKind=\"template\"";
break;
case DeclInfo::TemplateSpecialization:
Result << " templateKind=\"specialization\"";
break;
case DeclInfo::TemplatePartialSpecialization:
llvm_unreachable("partial specializations of functions "
"are not allowed in C++");
}
if (DI->IsInstanceMethod)
Result << " isInstanceMethod=\"1\"";
if (DI->IsClassMethod)
Result << " isClassMethod=\"1\"";
break;
case DeclInfo::ClassKind:
RootEndTag = "</Class>";
Result << "<Class";
switch (DI->TemplateKind) {
case DeclInfo::NotTemplate:
break;
case DeclInfo::Template:
Result << " templateKind=\"template\"";
break;
case DeclInfo::TemplateSpecialization:
Result << " templateKind=\"specialization\"";
break;
case DeclInfo::TemplatePartialSpecialization:
Result << " templateKind=\"partialSpecialization\"";
break;
}
break;
case DeclInfo::VariableKind:
RootEndTag = "</Variable>";
Result << "<Variable";
break;
case DeclInfo::NamespaceKind:
RootEndTag = "</Namespace>";
Result << "<Namespace";
break;
case DeclInfo::TypedefKind:
RootEndTag = "</Typedef>";
Result << "<Typedef";
break;
case DeclInfo::EnumKind:
RootEndTag = "</Enum>";
Result << "<Enum";
break;
}
{
// Print line and column number.
SourceLocation Loc = DI->CurrentDecl->getLocation();
std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
FileID FID = LocInfo.first;
unsigned FileOffset = LocInfo.second;
if (FID.isValid()) {
if (const FileEntry *FE = SM.getFileEntryForID(FID)) {
Result << " file=\"";
appendToResultWithXMLEscaping(FE->getName());
Result << "\"";
}
Result << " line=\"" << SM.getLineNumber(FID, FileOffset)
<< "\" column=\"" << SM.getColumnNumber(FID, FileOffset)
<< "\"";
}
}
// Finish the root tag.
Result << ">";
bool FoundName = false;
if (const NamedDecl *ND = dyn_cast<NamedDecl>(DI->CommentDecl)) {
if (DeclarationName DeclName = ND->getDeclName()) {
Result << "<Name>";
std::string Name = DeclName.getAsString();
appendToResultWithXMLEscaping(Name);
FoundName = true;
Result << "</Name>";
}
}
if (!FoundName)
Result << "<Name><anonymous></Name>";
{
// Print USR.
SmallString<128> USR;
generateUSRForDecl(DI->CommentDecl, USR);
if (!USR.empty()) {
Result << "<USR>";
appendToResultWithXMLEscaping(USR);
Result << "</USR>";
}
}
} else {
// No DeclInfo -- just emit some root tag and name tag.
RootEndTag = "</Other>";
Result << "<Other><Name>unknown</Name>";
}
if (Parts.Headerfile) {
Result << "<Headerfile>";
visit(Parts.Headerfile);
Result << "</Headerfile>";
}
{
// Pretty-print the declaration.
Result << "<Declaration>";
SmallString<128> Declaration;
getSourceTextOfDeclaration(DI, Declaration);
formatTextOfDeclaration(DI, Declaration);
appendToResultWithXMLEscaping(Declaration);
Result << "</Declaration>";
}
bool FirstParagraphIsBrief = false;
if (Parts.Brief) {
Result << "<Abstract>";
visit(Parts.Brief);
Result << "</Abstract>";
} else if (Parts.FirstParagraph) {
Result << "<Abstract>";
visit(Parts.FirstParagraph);
Result << "</Abstract>";
FirstParagraphIsBrief = true;
}
if (Parts.TParams.size() != 0) {
Result << "<TemplateParameters>";
for (unsigned i = 0, e = Parts.TParams.size(); i != e; ++i)
visit(Parts.TParams[i]);
Result << "</TemplateParameters>";
}
if (Parts.Params.size() != 0) {
Result << "<Parameters>";
for (unsigned i = 0, e = Parts.Params.size(); i != e; ++i)
visit(Parts.Params[i]);
Result << "</Parameters>";
}
if (Parts.Exceptions.size() != 0) {
Result << "<Exceptions>";
for (unsigned i = 0, e = Parts.Exceptions.size(); i != e; ++i)
visit(Parts.Exceptions[i]);
Result << "</Exceptions>";
}
if (Parts.Returns.size() != 0) {
Result << "<ResultDiscussion>";
for (unsigned i = 0, e = Parts.Returns.size(); i != e; ++i)
visit(Parts.Returns[i]);
Result << "</ResultDiscussion>";
}
if (DI->CommentDecl->hasAttrs()) {
const AttrVec &Attrs = DI->CommentDecl->getAttrs();
for (unsigned i = 0, e = Attrs.size(); i != e; i++) {
const AvailabilityAttr *AA = dyn_cast<AvailabilityAttr>(Attrs[i]);
if (!AA) {
if (const DeprecatedAttr *DA = dyn_cast<DeprecatedAttr>(Attrs[i])) {
if (DA->getMessage().empty())
Result << "<Deprecated/>";
else {
Result << "<Deprecated>";
appendToResultWithXMLEscaping(DA->getMessage());
Result << "</Deprecated>";
}
}
else if (const UnavailableAttr *UA = dyn_cast<UnavailableAttr>(Attrs[i])) {