| //===-- Twine.cpp - Fast Temporary String Concatenation -------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/Twine.h" |
| #include "llvm/ADT/SmallString.h" |
| #include "llvm/Support/Debug.h" |
| #include "llvm/Support/raw_ostream.h" |
| using namespace llvm; |
| |
| std::string Twine::str() const { |
| SmallString<256> Vec; |
| return toStringRef(Vec).str(); |
| } |
| |
| void Twine::toVector(SmallVectorImpl<char> &Out) const { |
| raw_svector_ostream OS(Out); |
| print(OS); |
| } |
| |
| StringRef Twine::toStringRef(SmallVectorImpl<char> &Out) const { |
| if (isSingleStringRef()) |
| return getSingleStringRef(); |
| toVector(Out); |
| return StringRef(Out.data(), Out.size()); |
| } |
| |
| void Twine::printOneChild(raw_ostream &OS, const void *Ptr, |
| NodeKind Kind) const { |
| switch (Kind) { |
| case Twine::NullKind: break; |
| case Twine::EmptyKind: break; |
| case Twine::TwineKind: |
| static_cast<const Twine*>(Ptr)->print(OS); |
| break; |
| case Twine::CStringKind: |
| OS << static_cast<const char*>(Ptr); |
| break; |
| case Twine::StdStringKind: |
| OS << *static_cast<const std::string*>(Ptr); |
| break; |
| case Twine::StringRefKind: |
| OS << *static_cast<const StringRef*>(Ptr); |
| break; |
| case Twine::DecUIKind: |
| OS << *static_cast<const unsigned int*>(Ptr); |
| break; |
| case Twine::DecIKind: |
| OS << *static_cast<const int*>(Ptr); |
| break; |
| case Twine::DecULKind: |
| OS << *static_cast<const unsigned long*>(Ptr); |
| break; |
| case Twine::DecLKind: |
| OS << *static_cast<const long*>(Ptr); |
| break; |
| case Twine::DecULLKind: |
| OS << *static_cast<const unsigned long long*>(Ptr); |
| break; |
| case Twine::DecLLKind: |
| OS << *static_cast<const long long*>(Ptr); |
| break; |
| case Twine::UHexKind: |
| OS.write_hex(*static_cast<const uint64_t*>(Ptr)); |
| break; |
| } |
| } |
| |
| void Twine::printOneChildRepr(raw_ostream &OS, const void *Ptr, |
| NodeKind Kind) const { |
| switch (Kind) { |
| case Twine::NullKind: |
| OS << "null"; break; |
| case Twine::EmptyKind: |
| OS << "empty"; break; |
| case Twine::TwineKind: |
| OS << "rope:"; |
| static_cast<const Twine*>(Ptr)->printRepr(OS); |
| break; |
| case Twine::CStringKind: |
| OS << "cstring:\"" |
| << static_cast<const char*>(Ptr) << "\""; |
| break; |
| case Twine::StdStringKind: |
| OS << "std::string:\"" |
| << static_cast<const std::string*>(Ptr) << "\""; |
| break; |
| case Twine::StringRefKind: |
| OS << "stringref:\"" |
| << static_cast<const StringRef*>(Ptr) << "\""; |
| break; |
| case Twine::DecUIKind: |
| OS << "decUI:\"" << *static_cast<const unsigned int*>(Ptr) << "\""; |
| break; |
| case Twine::DecIKind: |
| OS << "decI:\"" << *static_cast<const int*>(Ptr) << "\""; |
| break; |
| case Twine::DecULKind: |
| OS << "decUL:\"" << *static_cast<const unsigned long*>(Ptr) << "\""; |
| break; |
| case Twine::DecLKind: |
| OS << "decL:\"" << *static_cast<const long*>(Ptr) << "\""; |
| break; |
| case Twine::DecULLKind: |
| OS << "decULL:\"" << *static_cast<const unsigned long long*>(Ptr) << "\""; |
| break; |
| case Twine::DecLLKind: |
| OS << "decLL:\"" << *static_cast<const long long*>(Ptr) << "\""; |
| break; |
| case Twine::UHexKind: |
| OS << "uhex:\"" << static_cast<const uint64_t*>(Ptr) << "\""; |
| break; |
| } |
| } |
| |
| void Twine::print(raw_ostream &OS) const { |
| printOneChild(OS, LHS, getLHSKind()); |
| printOneChild(OS, RHS, getRHSKind()); |
| } |
| |
| void Twine::printRepr(raw_ostream &OS) const { |
| OS << "(Twine "; |
| printOneChildRepr(OS, LHS, getLHSKind()); |
| OS << " "; |
| printOneChildRepr(OS, RHS, getRHSKind()); |
| OS << ")"; |
| } |
| |
| void Twine::dump() const { |
| print(llvm::dbgs()); |
| } |
| |
| void Twine::dumpRepr() const { |
| printRepr(llvm::dbgs()); |
| } |