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6491f0eb80
We wish to re-use this from llvm-pdbdump, and it provides a nice way to print structured data in scoped format that could prove useful for many other dumping tools as well. Moving to support and changing name to ScopedPrinter to better reflect its purpose. llvm-svn: 268342
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include "llvm/Support/ScopedPrinter.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/Support/Format.h"
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#include <cctype>
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using namespace llvm::support;
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namespace llvm {
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raw_ostream &operator<<(raw_ostream &OS, const HexNumber &Value) {
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OS << "0x" << to_hexString(Value.Value);
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return OS;
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}
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const std::string to_hexString(uint64_t Value, bool UpperCase) {
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std::string number;
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llvm::raw_string_ostream stream(number);
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stream << format_hex_no_prefix(Value, 1, UpperCase);
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return stream.str();
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}
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void ScopedPrinter::printBinaryImpl(StringRef Label, StringRef Str,
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ArrayRef<uint8_t> Data, bool Block) {
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if (Data.size() > 16)
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Block = true;
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if (Block) {
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startLine() << Label;
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if (Str.size() > 0)
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OS << ": " << Str;
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OS << " (\n";
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for (size_t addr = 0, end = Data.size(); addr < end; addr += 16) {
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startLine() << format(" %04" PRIX64 ": ", uint64_t(addr));
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// Dump line of hex.
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for (size_t i = 0; i < 16; ++i) {
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if (i != 0 && i % 4 == 0)
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OS << ' ';
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if (addr + i < end)
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OS << hexdigit((Data[addr + i] >> 4) & 0xF, false)
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<< hexdigit(Data[addr + i] & 0xF, false);
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else
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OS << " ";
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}
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// Print ascii.
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OS << " |";
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for (std::size_t i = 0; i < 16 && addr + i < end; ++i) {
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if (std::isprint(Data[addr + i] & 0xFF))
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OS << Data[addr + i];
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else
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OS << ".";
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}
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OS << "|\n";
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}
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startLine() << ")\n";
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} else {
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startLine() << Label << ":";
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if (Str.size() > 0)
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OS << " " << Str;
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OS << " (";
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for (size_t i = 0; i < Data.size(); ++i) {
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if (i > 0)
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OS << " ";
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OS << format("%02X", static_cast<int>(Data[i]));
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}
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OS << ")\n";
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}
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}
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} // namespace llvm
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