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//===-- LVObject.cpp ------------------------------------------------------===//
//
// 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 implements the LVObject class.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/LogicalView/Core/LVObject.h"
#include "llvm/DebugInfo/LogicalView/Core/LVReader.h"
#include "llvm/DebugInfo/LogicalView/Core/LVScope.h"
#include "llvm/DebugInfo/LogicalView/Core/LVSymbol.h"
#include <iomanip>
using namespace llvm;
using namespace llvm::logicalview;
#define DEBUG_TYPE "Object"
#ifndef NDEBUG
uint64_t LVObject::GID = 0;
#endif
StringRef llvm::logicalview::typeNone() { return StringRef(); }
StringRef llvm::logicalview::typeVoid() { return "void"; }
StringRef llvm::logicalview::typeInt() { return "int"; }
StringRef llvm::logicalview::typeUnknown() { return "?"; }
StringRef llvm::logicalview::emptyString() { return StringRef(); }
// Get a string representing the indentation level.
std::string LVObject::indentAsString(LVLevel Level) const {
return std::string(Level * 2, ' ');
}
// Get a string representing the indentation level.
std::string LVObject::indentAsString() const {
return (options().getPrintFormatting() || options().getPrintOffset())
? indentAsString(ScopeLevel)
: "";
}
// String used as padding for printing objects with no line number.
std::string LVObject::noLineAsString(bool ShowZero) const {
return std::string(8, ' ');
}
// Get a string representation for the given number and discriminator.
std::string LVObject::lineAsString(uint32_t LineNumber, LVHalf Discriminator,
bool ShowZero) const {
// The representation is formatted as:
// a) line number (xxxxx) and discriminator (yy): 'xxxxx,yy'
// b) Only line number (xxxxx): 'xxxxx '
// c) No line number: ' '
std::stringstream Stream;
if (LineNumber) {
if (Discriminator && options().getAttributeDiscriminator())
Stream << std::setw(5) << LineNumber << "," << std::left << std::setw(2)
<< Discriminator;
else
Stream << std::setw(5) << LineNumber << " ";
} else
Stream << noLineAsString(ShowZero);
if (options().getInternalNone())
Stream.str(noLineAsString(ShowZero));
return Stream.str();
}
// Same as 'LineString' but with stripped whitespaces.
std::string LVObject::lineNumberAsStringStripped(bool ShowZero) const {
return std::string(StringRef(lineNumberAsString(ShowZero)).trim());
}
std::string LVObject::referenceAsString(uint32_t LineNumber,
bool Spaces) const {
std::string String;
raw_string_ostream Stream(String);
if (LineNumber)
Stream << "@" << LineNumber << (Spaces ? " " : "");
return String;
}
void LVObject::setParent(LVScope *Scope) {
Parent.Scope = Scope;
setLevel(Scope->getLevel() + 1);
}
void LVObject::setParent(LVSymbol *Symbol) {
Parent.Symbol = Symbol;
setLevel(Symbol->getLevel() + 1);
}
void LVObject::markBranchAsMissing() {
// Mark the current object as 'missing'; then traverse the parents chain
// marking them as 'special missing' to indicate a missing branch. They
// can not be marked as missing, because will generate incorrect reports.
LVObject *Parent = this;
Parent->setIsMissing();
while (Parent) {
Parent->setIsMissingLink();
Parent = Parent->getParent();
}
}
Error LVObject::doPrint(bool Split, bool Match, bool Print, raw_ostream &OS,
bool Full) const {
print(OS, Full);
return Error::success();
}
void LVObject::printAttributes(raw_ostream &OS, bool Full, StringRef Name,
LVObject *Parent, StringRef Value,
bool UseQuotes, bool PrintRef) const {
// The current object will be the enclosing scope, use its offset and level.
LVObject Object(*Parent);
Object.setLevel(Parent->getLevel() + 1);
Object.setLineNumber(0);
Object.printAttributes(OS, Full);
// Print the line.
std::string TheLineNumber(Object.lineNumberAsString());
std::string TheIndentation(Object.indentAsString());
OS << format(" %5s %s ", TheLineNumber.c_str(), TheIndentation.c_str());
OS << Name;
if (PrintRef && options().getAttributeOffset())
OS << hexSquareString(getOffset());
if (UseQuotes)
OS << formattedName(Value) << "\n";
else
OS << Value << "\n";
}
void LVObject::printAttributes(raw_ostream &OS, bool Full) const {
#ifndef NDEBUG
if (options().getInternalID())
OS << hexSquareString(getID());
#endif
if (options().getCompareExecute() &&
(options().getAttributeAdded() || options().getAttributeMissing()))
OS << (getIsAdded() ? '+' : getIsMissing() ? '-' : ' ');
if (options().getAttributeOffset())
OS << hexSquareString(getOffset());
if (options().getAttributeLevel()) {
std::stringstream Stream;
Stream.str(std::string());
Stream << "[" << std::setfill('0') << std::setw(3) << getLevel() << "]";
std::string TheLevel(Stream.str());
OS << TheLevel;
}
if (options().getAttributeGlobal())
OS << (getIsGlobalReference() ? 'X' : ' ');
}
void LVObject::print(raw_ostream &OS, bool Full) const {
printFileIndex(OS, Full);
printAttributes(OS, Full);
// Print the line and any discriminator.
std::stringstream Stream;
Stream << " " << std::setw(5) << lineNumberAsString() << " "
<< indentAsString() << " ";
OS << Stream.str();
}
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