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//===- PlistSupport.h - Plist Output Utilities ------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_BASIC_PLISTSUPPORT_H
#define LLVM_CLANG_BASIC_PLISTSUPPORT_H
#include "clang/Basic/LLVM.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstdint>
namespace clang {
namespace markup {
using FIDMap = llvm::DenseMap<FileID, unsigned>;
inline unsigned AddFID(FIDMap &FIDs, SmallVectorImpl<FileID> &V,
FileID FID) {
FIDMap::iterator I = FIDs.find(FID);
if (I != FIDs.end())
return I->second;
unsigned NewValue = V.size();
FIDs[FID] = NewValue;
V.push_back(FID);
return NewValue;
}
inline unsigned AddFID(FIDMap &FIDs, SmallVectorImpl<FileID> &V,
const SourceManager &SM, SourceLocation L) {
FileID FID = SM.getFileID(SM.getExpansionLoc(L));
return AddFID(FIDs, V, FID);
}
inline unsigned GetFID(const FIDMap &FIDs, FileID FID) {
FIDMap::const_iterator I = FIDs.find(FID);
assert(I != FIDs.end());
return I->second;
}
inline unsigned GetFID(const FIDMap &FIDs, const SourceManager &SM,
SourceLocation L) {
FileID FID = SM.getFileID(SM.getExpansionLoc(L));
return GetFID(FIDs, FID);
}
inline raw_ostream &Indent(raw_ostream &o, const unsigned indent) {
for (unsigned i = 0; i < indent; ++i)
o << ' ';
return o;
}
inline raw_ostream &EmitPlistHeader(raw_ostream &o) {
static const char *PlistHeader =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
"\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
"<plist version=\"1.0\">\n";
return o << PlistHeader;
}
inline raw_ostream &EmitInteger(raw_ostream &o, int64_t value) {
o << "<integer>";
o << value;
o << "</integer>";
return o;
}
inline raw_ostream &EmitString(raw_ostream &o, StringRef s) {
o << "<string>";
for (char c : s) {
switch (c) {
default:
o << c;
break;
case '&':
o << "&";
break;
case '<':
o << "<";
break;
case '>':
o << ">";
break;
case '\'':
o << "'";
break;
case '\"':
o << """;
break;
}
}
o << "</string>";
return o;
}
inline void EmitLocation(raw_ostream &o, const SourceManager &SM,
SourceLocation L, const FIDMap &FM, unsigned indent) {
if (L.isInvalid()) return;
FullSourceLoc Loc(SM.getExpansionLoc(L), const_cast<SourceManager &>(SM));
Indent(o, indent) << "<dict>\n";
Indent(o, indent) << " <key>line</key>";
EmitInteger(o, Loc.getExpansionLineNumber()) << '\n';
Indent(o, indent) << " <key>col</key>";
EmitInteger(o, Loc.getExpansionColumnNumber()) << '\n';
Indent(o, indent) << " <key>file</key>";
EmitInteger(o, GetFID(FM, SM, Loc)) << '\n';
Indent(o, indent) << "</dict>\n";
}
inline void EmitRange(raw_ostream &o, const SourceManager &SM,
CharSourceRange R, const FIDMap &FM, unsigned indent) {
if (R.isInvalid()) return;
assert(R.isCharRange() && "cannot handle a token range");
Indent(o, indent) << "<array>\n";
EmitLocation(o, SM, R.getBegin(), FM, indent + 1);
// The ".getLocWithOffset(-1)" emulates the behavior of an off-by-one bug
// in Lexer that is already fixed. It is here for backwards compatibility
// even though it is incorrect.
EmitLocation(o, SM, R.getEnd().getLocWithOffset(-1), FM, indent + 1);
Indent(o, indent) << "</array>\n";
}
} // namespace markup
} // namespace clang
#endif // LLVM_CLANG_BASIC_PLISTSUPPORT_H
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