1 //===--- Triple.cpp - Target triple helper class --------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/ADT/Triple.h"
17 const char *Triple::getArchTypeName(ArchType Kind) {
19 case InvalidArch: return "<invalid>";
20 case UnknownArch: return "unknown";
22 case x86: return "i386";
23 case x86_64: return "x86_64";
24 case ppc: return "powerpc";
25 case ppc64: return "powerpc64";
31 const char *Triple::getVendorTypeName(VendorType Kind) {
33 case UnknownVendor: return "unknown";
35 case Apple: return "apple";
42 const char *Triple::getOSTypeName(OSType Kind) {
44 case UnknownOS: return "unknown";
46 case Darwin: return "darwin";
47 case DragonFly: return "dragonfly";
48 case FreeBSD: return "freebsd";
49 case Linux: return "linux";
57 void Triple::Parse() const {
58 assert(!isInitialized() && "Invalid parse call.");
60 std::string ArchName = getArchName();
61 if (ArchName.size() == 4 && ArchName[0] == 'i' &&
62 ArchName[2] == '8' && ArchName[3] == '6')
64 else if (ArchName == "amd64" || ArchName == "x86_64")
66 else if (ArchName == "powerpc")
68 else if (ArchName == "powerpc64")
73 std::string VendorName = getVendorName();
74 if (VendorName == "apple")
76 else if (VendorName == "pc")
79 Vendor = UnknownVendor;
81 std::string OSName = getOSName();
82 if (memcmp(&OSName[0], "darwin", 6) == 0)
84 else if (memcmp(&OSName[0], "dragonfly", 9) == 0)
86 else if (memcmp(&OSName[0], "freebsd", 7) == 0)
88 else if (memcmp(&OSName[0], "linux", 5) == 0)
93 assert(isInitialized() && "Failed to initialize!");
96 static std::string extract(const std::string &A,
97 std::string::size_type begin,
98 std::string::size_type end) {
99 if (begin == std::string::npos)
101 if (end == std::string::npos)
102 return A.substr(begin);
103 return A.substr(begin, end - begin);
106 static std::string extract1(const std::string &A,
107 std::string::size_type begin,
108 std::string::size_type end) {
109 if (begin == std::string::npos || begin == end)
111 return extract(A, begin + 1, end);
114 std::string Triple::getArchName() const {
115 std::string Tmp = Data;
116 return extract(Tmp, 0, Tmp.find('-'));
119 std::string Triple::getVendorName() const {
120 std::string Tmp = Data;
121 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
122 return extract(Tmp, 0, Tmp.find('-'));
125 std::string Triple::getOSName() const {
126 std::string Tmp = Data;
127 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
128 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
129 return extract(Tmp, 0, Tmp.find('-'));
132 std::string Triple::getEnvironmentName() const {
133 std::string Tmp = Data;
134 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
135 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
136 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
137 return extract(Tmp, 0, std::string::npos);
140 std::string Triple::getOSAndEnvironmentName() const {
141 std::string Tmp = Data;
142 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
143 Tmp = extract1(Tmp, Tmp.find('-'), std::string::npos);
144 return extract(Tmp, 0, std::string::npos);
147 void Triple::setTriple(const std::string &Str) {
152 void Triple::setArch(ArchType Kind) {
153 setArchName(getArchTypeName(Kind));
156 void Triple::setVendor(VendorType Kind) {
157 setVendorName(getVendorTypeName(Kind));
160 void Triple::setOS(OSType Kind) {
161 setOSName(getOSTypeName(Kind));
164 void Triple::setArchName(const std::string &Str) {
165 setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
168 void Triple::setVendorName(const std::string &Str) {
169 setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
172 void Triple::setOSName(const std::string &Str) {
173 if (hasEnvironment())
174 setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
175 "-" + getEnvironmentName());
177 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
180 void Triple::setEnvironmentName(const std::string &Str) {
181 setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
185 void Triple::setOSAndEnvironmentName(const std::string &Str) {
186 setTriple(getArchName() + "-" + getVendorName() + "-" + Str);