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https://github.com/c64scene-ar/llvm-6502.git
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0165a2ca89
explicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77576 91177308-0d34-0410-b5e6-96231b3b80d8
130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
//===-- Twine.cpp - Fast Temporary String Concatenation -------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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std::string Twine::str() const {
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std::string Res;
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raw_string_ostream OS(Res);
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print(OS);
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return Res;
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}
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void Twine::toVector(SmallVectorImpl<char> &Out) const {
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// FIXME: This is very inefficient, since we are creating a large raw_ostream
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// buffer -- hitting malloc, which we were supposed to avoid -- all when we
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// have this pretty little small vector available.
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//
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// The best way to fix this is to make raw_svector_ostream do the right thing
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// and be efficient, by augmenting the base raw_ostream with the ability to
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// have the buffer managed by a concrete implementation.
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raw_svector_ostream OS(Out);
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print(OS);
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}
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void Twine::printOneChild(raw_ostream &OS, const void *Ptr,
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NodeKind Kind) const {
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switch (Kind) {
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case Twine::NullKind: break;
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case Twine::EmptyKind: break;
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case Twine::TwineKind:
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static_cast<const Twine*>(Ptr)->print(OS);
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break;
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case Twine::CStringKind:
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OS << static_cast<const char*>(Ptr);
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break;
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case Twine::StdStringKind:
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OS << *static_cast<const std::string*>(Ptr);
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break;
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case Twine::StringRefKind:
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OS << *static_cast<const StringRef*>(Ptr);
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break;
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case Twine::UDec32Kind:
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OS << *static_cast<const uint32_t*>(Ptr);
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break;
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case Twine::SDec32Kind:
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OS << *static_cast<const int32_t*>(Ptr);
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break;
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case Twine::UDec64Kind:
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OS << *static_cast<const uint64_t*>(Ptr);
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break;
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case Twine::SDec64Kind:
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OS << *static_cast<const int64_t*>(Ptr);
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break;
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case Twine::UHexKind:
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// FIXME: Add raw_ostream functionality for this.
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OS << ::utohexstr(*static_cast<const uint64_t*>(Ptr));
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break;
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}
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}
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void Twine::printOneChildRepr(raw_ostream &OS, const void *Ptr,
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NodeKind Kind) const {
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switch (Kind) {
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case Twine::NullKind:
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OS << "null"; break;
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case Twine::EmptyKind:
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OS << "empty"; break;
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case Twine::TwineKind:
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OS << "rope:";
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static_cast<const Twine*>(Ptr)->printRepr(OS);
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break;
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case Twine::CStringKind:
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OS << "cstring:\""
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<< static_cast<const char*>(Ptr) << "\"";
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break;
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case Twine::StdStringKind:
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OS << "std::string:\""
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<< static_cast<const std::string*>(Ptr) << "\"";
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break;
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case Twine::StringRefKind:
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OS << "stringref:\""
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<< static_cast<const StringRef*>(Ptr) << "\"";
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break;
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case Twine::UDec32Kind:
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OS << "udec32:" << static_cast<const uint64_t*>(Ptr) << "\"";
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break;
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case Twine::SDec32Kind:
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OS << "sdec32:" << static_cast<const int64_t*>(Ptr) << "\"";
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break;
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case Twine::UDec64Kind:
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OS << "udec64:" << static_cast<const uint64_t*>(Ptr) << "\"";
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break;
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case Twine::SDec64Kind:
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OS << "sdec64:" << static_cast<const int64_t*>(Ptr) << "\"";
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break;
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case Twine::UHexKind:
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OS << "uhex:" << static_cast<const uint64_t*>(Ptr) << "\"";
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break;
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}
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}
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void Twine::print(raw_ostream &OS) const {
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printOneChild(OS, LHS, getLHSKind());
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printOneChild(OS, RHS, getRHSKind());
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}
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void Twine::printRepr(raw_ostream &OS) const {
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OS << "(Twine ";
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printOneChildRepr(OS, LHS, getLHSKind());
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OS << " ";
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printOneChildRepr(OS, RHS, getRHSKind());
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OS << ")";
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}
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void Twine::dump() const {
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print(llvm::errs());
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}
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void Twine::dumpRepr() const {
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printRepr(llvm::errs());
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}
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