1 //===-- llvm/ADT/Triple.h - Target triple helper class ----------*- C++ -*-===//
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 #ifndef LLVM_ADT_TRIPLE_H
11 #define LLVM_ADT_TRIPLE_H
17 /// Triple - Helper class for working with target triples.
19 /// Target triples are strings in the format of:
20 /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM
22 /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT
24 /// This class is used for clients which want to support arbitrary
25 /// target triples, but also want to implement certain special
26 /// behavior for particular targets. This class isolates the mapping
27 /// from the components of the target triple to well known IDs.
29 /// See autoconf/config.guess for a glimpse into what they look like
39 x86_64, // amd64, x86_64
62 /// The parsed arch type (or InvalidArch if uninitialized).
63 mutable ArchType Arch;
65 /// The parsed vendor type.
66 mutable VendorType Vendor;
68 /// The parsed OS type.
71 bool isInitialized() const { return Arch != InvalidArch; }
75 /// @name Constructors
78 Triple() : Data(""), Arch(InvalidArch) {}
79 explicit Triple(const char *Str) : Data(Str), Arch(InvalidArch) {}
80 explicit Triple(const char *ArchStr, const char *VendorStr, const char *OSStr)
81 : Data(ArchStr), Arch(InvalidArch) {
89 /// @name Typed Component Access
92 /// getArch - Get the parsed architecture type of this triple.
93 ArchType getArch() const {
94 if (!isInitialized()) Parse();
98 /// getVendor - Get the parsed vendor type of this triple.
99 VendorType getVendor() const {
100 if (!isInitialized()) Parse();
104 /// getOS - Get the parsed operating system type of this triple.
105 OSType getOS() const {
106 if (!isInitialized()) Parse();
110 /// hasEnvironment - Does this triple have the optional environment
111 /// (fourth) component?
112 bool hasEnvironment() const {
113 return getEnvironmentName() != "";
117 /// @name Direct Component Access
120 const std::string &getTriple() const { return Data; }
122 // FIXME: Invent a lightweight string representation for these to
125 /// getArchName - Get the architecture (first) component of the
127 std::string getArchName() const;
129 /// getVendorName - Get the vendor (second) component of the triple.
130 std::string getVendorName() const;
132 /// getOSName - Get the operating system (third) component of the
134 std::string getOSName() const;
136 /// getEnvironmentName - Get the optional environment (fourth)
137 /// component of the triple, or "" if empty.
138 std::string getEnvironmentName() const;
140 /// getOSAndEnvironmentName - Get the operating system and optional
141 /// environment components as a single string (separated by a '-'
142 /// if the environment component is present).
143 std::string getOSAndEnvironmentName() const;
149 /// setArch - Set the architecture (first) component of the triple
151 void setArch(ArchType Kind);
153 /// setVendor - Set the vendor (second) component of the triple to a
155 void setVendor(VendorType Kind);
157 /// setOS - Set the operating system (third) component of the triple
159 void setOS(OSType Kind);
161 /// setTriple - Set all components to the new triple \arg Str.
162 void setTriple(const std::string &Str);
164 /// setArchName - Set the architecture (first) component of the
166 void setArchName(const std::string &Str);
168 /// setVendorName - Set the vendor (second) component of the triple
170 void setVendorName(const std::string &Str);
172 /// setOSName - Set the operating system (third) component of the
174 void setOSName(const std::string &Str);
176 /// setEnvironmentName - Set the optional environment (fourth)
177 /// component of the triple by name.
178 void setEnvironmentName(const std::string &Str);
180 /// setOSAndEnvironmentName - Set the operating system and optional
181 /// environment components with a single string.
182 void setOSAndEnvironmentName(const std::string &Str);
185 /// @name Static helpers for IDs.
188 /// getArchTypeName - Get the canonical name for the \arg Kind
190 static const char *getArchTypeName(ArchType Kind);
192 /// getVendorTypeName - Get the canonical name for the \arg Kind
194 static const char *getVendorTypeName(VendorType Kind);
196 /// getOSTypeName - Get the canonical name for the \arg Kind vendor.
197 static const char *getOSTypeName(OSType Kind);
202 } // End llvm namespace