freebsd-nq/contrib/llvm/lib/Support/ScopedPrinter.cpp

73 lines
1.8 KiB
C++

#include "llvm/Support/ScopedPrinter.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Format.h"
#include <cctype>
using namespace llvm::support;
namespace llvm {
raw_ostream &operator<<(raw_ostream &OS, const HexNumber &Value) {
OS << "0x" << to_hexString(Value.Value);
return OS;
}
const std::string to_hexString(uint64_t Value, bool UpperCase) {
std::string number;
llvm::raw_string_ostream stream(number);
stream << format_hex_no_prefix(Value, 1, UpperCase);
return stream.str();
}
void ScopedPrinter::printBinaryImpl(StringRef Label, StringRef Str,
ArrayRef<uint8_t> Data, bool Block) {
if (Data.size() > 16)
Block = true;
if (Block) {
startLine() << Label;
if (Str.size() > 0)
OS << ": " << Str;
OS << " (\n";
for (size_t addr = 0, end = Data.size(); addr < end; addr += 16) {
startLine() << format(" %04" PRIX64 ": ", uint64_t(addr));
// Dump line of hex.
for (size_t i = 0; i < 16; ++i) {
if (i != 0 && i % 4 == 0)
OS << ' ';
if (addr + i < end)
OS << hexdigit((Data[addr + i] >> 4) & 0xF, false)
<< hexdigit(Data[addr + i] & 0xF, false);
else
OS << " ";
}
// Print ascii.
OS << " |";
for (std::size_t i = 0; i < 16 && addr + i < end; ++i) {
if (std::isprint(Data[addr + i] & 0xFF))
OS << Data[addr + i];
else
OS << ".";
}
OS << "|\n";
}
startLine() << ")\n";
} else {
startLine() << Label << ":";
if (Str.size() > 0)
OS << " " << Str;
OS << " (";
for (size_t i = 0; i < Data.size(); ++i) {
if (i > 0)
OS << " ";
OS << format("%02X", static_cast<int>(Data[i]));
}
OS << ")\n";
}
}
} // namespace llvm