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//===- Core/YamlWriter.cpp - Writes YAML ----------------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "YamlKeyValues.h"
#include "lld/Core/YamlWriter.h"
#include "lld/Core/Atom.h"
#include "lld/Core/File.h"
#include "lld/Core/Reference.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/system_error.h"
#include <vector>
namespace lld {
namespace yaml {
class Handler : public File::AtomHandler {
public:
Handler(llvm::raw_ostream &out) : _out(out), _firstAtom(true) { }
virtual void doFile(const class File &) { _firstAtom = true; }
virtual void doAtom(const class Atom &atom) {
// add blank line between atoms for readability
if ( !_firstAtom )
_out << "\n";
_firstAtom = false;
_out << " - "
<< KeyValues::nameKeyword
<< ":"
<< spacePadding(KeyValues::nameKeyword)
<< atom.name()
<< "\n";
if ( atom.internalName() != KeyValues::internalNameDefault ) {
_out << " "
<< KeyValues::internalNameKeyword
<< ":"
<< spacePadding(KeyValues::internalNameKeyword)
<< KeyValues::internalName(atom.internalName())
<< "\n";
}
if ( atom.definition() != KeyValues::definitionDefault ) {
_out << " "
<< KeyValues::definitionKeyword
<< ":"
<< spacePadding(KeyValues::definitionKeyword)
<< KeyValues::definition(atom.definition())
<< "\n";
}
if ( atom.scope() != KeyValues::scopeDefault ) {
_out << " "
<< KeyValues::scopeKeyword
<< ":"
<< spacePadding(KeyValues::scopeKeyword)
<< KeyValues::scope(atom.scope())
<< "\n";
}
if ( atom.contentType() != KeyValues::contentTypeDefault ) {
_out << " "
<< KeyValues::contentTypeKeyword
<< ":"
<< spacePadding(KeyValues::contentTypeKeyword)
<< KeyValues::contentType(atom.contentType())
<< "\n";
}
if ( atom.deadStrip() != KeyValues::deadStripKindDefault ) {
_out << " "
<< KeyValues::deadStripKindKeyword
<< ":"
<< spacePadding(KeyValues::deadStripKindKeyword)
<< KeyValues::deadStripKind(atom.deadStrip())
<< "\n";
}
if ( atom.sectionChoice() != KeyValues::sectionChoiceDefault ) {
_out << " "
<< KeyValues::sectionChoiceKeyword
<< ":"
<< spacePadding(KeyValues::sectionChoiceKeyword)
<< KeyValues::sectionChoice(atom.sectionChoice())
<< "\n";
assert( ! atom.customSectionName().empty() );
_out << " "
<< KeyValues::sectionNameKeyword
<< ":"
<< spacePadding(KeyValues::sectionNameKeyword)
<< atom.customSectionName()
<< "\n";
}
if ( atom.mergeDuplicates() != KeyValues::mergeDuplicatesDefault ) {
_out << " "
<< KeyValues::mergeDuplicatesKeyword
<< ":"
<< spacePadding(KeyValues::mergeDuplicatesKeyword)
<< KeyValues::mergeDuplicates(atom.mergeDuplicates())
<< "\n";
}
if ( atom.autoHide() != KeyValues::autoHideDefault ) {
_out << " "
<< KeyValues::autoHideKeyword
<< ":"
<< spacePadding(KeyValues::autoHideKeyword)
<< KeyValues::autoHide(atom.autoHide())
<< "\n";
}
if ( atom.isThumb() != KeyValues::isThumbDefault ) {
_out << " "
<< KeyValues::isThumbKeyword
<< ":"
<< spacePadding(KeyValues::isThumbKeyword)
<< KeyValues::isThumb(atom.isThumb())
<< "\n";
}
if ( atom.isAlias() != KeyValues::isAliasDefault ) {
_out << " "
<< KeyValues::isAliasKeyword
<< ":"
<< spacePadding(KeyValues::isAliasKeyword)
<< KeyValues::isAlias(atom.isAlias())
<< "\n";
}
if (atom.referencesBegin() != atom.referencesEnd()) {
_out << " fixups:\n";
for (Reference::iterator it = atom.referencesBegin(),
end = atom.referencesEnd(); it != end; ++it) {
_out << " - kind: " << it->kind << "\n";
_out << " offset: " << it->offsetInAtom << "\n";
}
}
}
private:
// return a string of the correct number of spaces to align value
const char* spacePadding(const char* key) {
const char* spaces = " ";
assert(strlen(spaces) > strlen(key));
return &spaces[strlen(key)];
}
llvm::raw_ostream& _out;
bool _firstAtom;
};
void writeObjectText(File &file, llvm::raw_ostream &out) {
Handler h(out);
out << "---\n";
out << "atoms:\n";
file.forEachAtom(h);
out << "...\n";
}
} // namespace yaml
} // namespace lld
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