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Add better support for environment portion of triple. Original patch by

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Cameron Esfahani, tweaked to use array_lengthof.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114073 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2010-09-16 08:25:48 +00:00
parent dd2fdd81bc
commit 5754a45256
3 changed files with 74 additions and 7 deletions
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35
include/llvm/ADT/Triple.h
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@@ -95,6 +95,9 @@ public:
Haiku,
Minix
};
enum EnvironmentType {
UnknownEnvironment
};
private:
std::string Data;
@@ -108,10 +111,14 @@ private:
/// The parsed OS type.
mutable OSType OS;
/// The parsed Environment type.
mutable EnvironmentType Environment;
bool isInitialized() const { return Arch != InvalidArch; }
static ArchType ParseArch(StringRef ArchName);
static VendorType ParseVendor(StringRef VendorName);
static OSType ParseOS(StringRef OSName);
static EnvironmentType ParseEnvironment(StringRef EnvironmentName);
void Parse() const;
public:
@@ -128,6 +135,17 @@ public:
Data += OSStr;
}
explicit Triple(StringRef ArchStr, StringRef VendorStr, StringRef OSStr,
StringRef EnvironmentStr)
: Data(ArchStr), Arch(InvalidArch) {
Data += '-';
Data += VendorStr;
Data += '-';
Data += OSStr;
Data += '-';
Data += EnvironmentStr;
}
/// @}
/// @name Normalization
/// @{
@@ -166,6 +184,12 @@ public:
return getEnvironmentName() != "";
}
/// getEnvironment - Get the parsed environment type of this triple.
EnvironmentType getEnvironment() const {
if (!isInitialized()) Parse();
return Environment;
}
/// @}
/// @name Direct Component Access
/// @{
@@ -225,6 +249,10 @@ public:
/// to a known type.
void setOS(OSType Kind);
/// setEnvironment - Set the environment (fourth) component of the triple
/// to a known type.
void setEnvironment(EnvironmentType Kind);
/// setTriple - Set all components to the new triple \arg Str.
void setTriple(const Twine &Str);
@@ -272,9 +300,14 @@ public:
/// vendor.
static const char *getVendorTypeName(VendorType Kind);
/// getOSTypeName - Get the canonical name for the \arg Kind vendor.
/// getOSTypeName - Get the canonical name for the \arg Kind operating
/// system.
static const char *getOSTypeName(OSType Kind);
/// getEnvironmentTypeName - Get the canonical name for the \arg Kind
/// environment.
static const char *getEnvironmentTypeName(EnvironmentType Kind);
/// @}
/// @name Static helpers for converting alternate architecture names.
/// @{