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//===--- Triple.cpp - Target triple helper class --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/Triple.h"
#include <cassert>
#include <cstring>
using namespace llvm;
//
const char *Triple::getArchTypeName(ArchType Kind) {
switch (Kind) {
case InvalidArch: return "<invalid>";
case UnknownArch: return "unknown";
case x86: return "i386";
case x86_64: return "x86_64";
case ppc: return "powerpc";
case ppc64: return "powerpc64";
}
return "<invalid>";
}
const char *Triple::getVendorTypeName(VendorType Kind) {
switch (Kind) {
case UnknownVendor: return "unknown";
case Apple: return "apple";
case PC: return "PC";
}
return "<invalid>";
}
const char *Triple::getOSTypeName(OSType Kind) {
switch (Kind) {
case UnknownOS: return "unknown";
case AuroraUX: return "auroraux";
case Darwin: return "darwin";
case DragonFly: return "dragonfly";
case FreeBSD: return "freebsd";
case Linux: return "linux";
case OpenBSD: return "openbsd";
}
return "<invalid>";
}
//
void Triple::Parse() const {
assert(!isInitialized() && "Invalid parse call.");
std::string ArchName = getArchName();
if (ArchName.size() == 4 && ArchName[0] == 'i' &&
ArchName[2] == '8' && ArchName[3] == '6')
Arch = x86;
else if (ArchName == "amd64" || ArchName == "x86_64")
Arch = x86_64;
else if (ArchName == "powerpc")
Arch = ppc;
else if (ArchName == "powerpc64")
Arch = ppc64;
else
Arch = UnknownArch;
std::string VendorName = getVendorName();
if (VendorName == "apple")
Vendor = Apple;
else if (VendorName == "pc")
Vendor = PC;
else
Vendor = UnknownVendor;
std::string OSName = getOSName();
if (memcmp(&OSName[0], "auroraux", 8) == 0)
OS = AuroraUX;
else if (memcmp(&OSName[0], "darwin", 6) == 0)
OS = Darwin;
else if (memcmp(&OSName[0], "dragonfly", 9) == 0)
OS = DragonFly;
else if (memcmp(&OSName[0], "freebsd", 7) == 0)
OS = FreeBSD;
else if (memcmp(&OSName[0], "linux", 5) == 0)
OS = Linux;
else if (memcmp(&OSName[0], "openbsd", 7) == 0)
OS = OpenBSD;
else
OS = UnknownOS;
assert(isInitialized() && "Failed to initialize!");
}
static std::string extract(const std::string &A,
std::string::size_type begin,
std::string::size_type end) {
if (begin == std::string::npos)
return "";
if (end == std::string::npos)
return A.substr(begin);
return A.substr(begin, end - begin);
}
static std::string extract1(const std::string &A,
std::string::size_type begin,
std::string::size_type end) {
if (begin == std::string::npos || begin == end)
return "";
return extract(A, begin + 1, end);
}
std::string Triple::getArchName() const {
std::string Tmp = Data;
return extract(Tmp, 0, Tmp.find('-'));
}
std::string Triple::getVendorName() const {
std::string Tmp = Data;
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
return extract(Tmp, 0, Tmp.find('-'));
}
std::string Triple::getOSName() const {
std::string Tmp = Data;
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
return extract(Tmp, 0, Tmp.find('-'));
}
std::string Triple::getEnvironmentName() const {
std::string Tmp = Data;
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
return extract(Tmp, 0, std::string::npos);
}
std::string Triple::getOSAndEnvironmentName() const {
std::string Tmp = Data;
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
return extract(Tmp, 0, std::string::npos);
}
void Triple::setTriple(const std::string &Str) {
Data = Str;
Arch = InvalidArch;
}
void Triple::setArch(ArchType Kind) {
setArchName(getArchTypeName(Kind));
}
void Triple::setVendor(VendorType Kind) {
setVendorName(getVendorTypeName(Kind));
}
void Triple::setOS(OSType Kind) {
setOSName(getOSTypeName(Kind));
}
void Triple::setArchName(const std::string &Str) {
setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
}
void Triple::setVendorName(const std::string &Str) {
setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
}
void Triple::setOSName(const std::string &Str) {
if (hasEnvironment())
setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
"-" + getEnvironmentName());
else
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
void Triple::setEnvironmentName(const std::string &Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
"-" + Str);
}
void Triple::setOSAndEnvironmentName(const std::string &Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}
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