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
60 /// The parsed arch type (or InvalidArch if uninitialized).
61 mutable ArchType Arch;
63 /// The parsed vendor type.
64 mutable VendorType Vendor;
66 /// The parsed OS type.
69 bool isInitialized() const { return Arch != InvalidArch; }
73 /// @name Constructors
76 Triple() : Data(""), Arch(InvalidArch) {}
77 explicit Triple(const char *Str) : Data(Str), Arch(InvalidArch) {}
80 /// @name Typed Component Access
83 /// getArch - Get the parsed architecture type of this triple.
84 ArchType getArch() const {
85 if (!isInitialized()) Parse();
89 /// getVendor - Get the parsed vendor type of this triple.
90 VendorType getVendor() const {
91 if (!isInitialized()) Parse();
95 /// getOS - Get the parsed operating system type of this triple.
96 OSType getOS() const {
97 if (!isInitialized()) Parse();
101 /// hasEnvironment - Does this triple have the optional environment
102 /// (fourth) component?
103 bool hasEnvironment() const {
104 return getEnvironmentName() != "";
108 /// @name Direct Component Access
111 const std::string &getTriple() const { return Data; }
113 // FIXME: Invent a lightweight string representation for these to
116 /// getArchName - Get the architecture (first) component of the
118 std::string getArchName() const;
120 /// getVendorName - Get the vendor (second) component of the triple.
121 std::string getVendorName() const;
123 /// getOSName - Get the operating system (third) component of the
125 std::string getOSName() const;
127 /// getEnvironmentName - Get the optional environment (fourth)
128 /// component of the triple, or "" if empty.
129 std::string getEnvironmentName() const;
131 /// getOSAndEnvironmentName - Get the operating system and optional
132 /// environment components as a single string (separated by a '-'
133 /// if the environment component is present).
134 std::string getOSAndEnvironmentName() const;
140 /// setArch - Set the architecture (first) component of the triple
142 void setArch(ArchType Kind);
144 /// setVendor - Set the vendor (second) component of the triple to a
146 void setVendor(VendorType Kind);
148 /// setOS - Set the operating system (third) component of the triple
150 void setOS(OSType Kind);
152 /// setTriple - Set all components to the new triple \arg Str.
153 void setTriple(const std::string &Str);
155 /// setArchName - Set the architecture (first) component of the
157 void setArchName(const std::string &Str);
159 /// setVendorName - Set the vendor (second) component of the triple
161 void setVendorName(const std::string &Str);
163 /// setOSName - Set the operating system (third) component of the
165 void setOSName(const std::string &Str);
167 /// setEnvironmentName - Set the optional environment (fourth)
168 /// component of the triple by name.
169 void setEnvironmentName(const std::string &Str);
171 /// setOSAndEnvironmentName - Set the operating system and optional
172 /// environment components with a single string.
173 void setOSAndEnvironmentName(const std::string &Str);
176 /// @name Static helpers for IDs.
179 /// getArchTypeName - Get the canonical name for the \arg Kind
181 static const char *getArchTypeName(ArchType Kind);
183 /// getVendorTypeName - Get the canonical name for the \arg Kind
185 static const char *getVendorTypeName(VendorType Kind);
187 /// getOSTypeName - Get the canonical name for the \arg Kind vendor.
188 static const char *getOSTypeName(OSType Kind);
193 } // End llvm namespace