forked from OSchip/llvm-project
Remove unused type Either from Utility library.
llvm-svn: 339328
This commit is contained in:
Tatyana Krasnukha
parent
b89367ac46
commit
14dc665398
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@ -12,115 +12,61 @@
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#include "llvm/ADT/Optional.h"
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#include <functional>
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namespace lldb_utility {
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template <typename T1, typename T2> class Either {
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private:
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enum class Selected { One, Two };
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Selected m_selected;
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union {
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T1 m_t1;
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T2 m_t2;
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};
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public:
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Either(const T1 &t1) {
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m_t1 = t1;
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m_selected = Selected::One;
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}
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Either(const T2 &t2) {
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m_t2 = t2;
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m_selected = Selected::Two;
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}
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Either(const Either<T1, T2> &rhs) {
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switch (rhs.m_selected) {
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case Selected::One:
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m_t1 = rhs.GetAs<T1>().getValue();
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m_selected = Selected::One;
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break;
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case Selected::Two:
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m_t2 = rhs.GetAs<T2>().getValue();
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m_selected = Selected::Two;
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break;
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}
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}
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template <class X, typename std::enable_if<std::is_same<T1, X>::value>::type
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* = nullptr>
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llvm::Optional<T1> GetAs() const {
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switch (m_selected) {
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case Selected::One:
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return m_t1;
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default:
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return llvm::Optional<T1>();
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}
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}
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template <class X, typename std::enable_if<std::is_same<T2, X>::value>::type
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* = nullptr>
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llvm::Optional<T2> GetAs() const {
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switch (m_selected) {
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case Selected::Two:
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return m_t2;
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default:
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return llvm::Optional<T2>();
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}
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}
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template <class ResultType>
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ResultType Apply(std::function<ResultType(T1)> if_T1,
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std::function<ResultType(T2)> if_T2) const {
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switch (m_selected) {
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case Selected::One:
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return if_T1(m_t1);
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case Selected::Two:
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return if_T2(m_t2);
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}
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}
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bool operator==(const Either<T1, T2> &rhs) {
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return (GetAs<T1>() == rhs.GetAs<T1>()) && (GetAs<T2>() == rhs.GetAs<T2>());
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}
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explicit operator bool() {
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switch (m_selected) {
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case Selected::One:
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return (bool)m_t1;
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case Selected::Two:
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return (bool)m_t2;
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}
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}
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Either<T1, T2> &operator=(const Either<T1, T2> &rhs) {
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switch (rhs.m_selected) {
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case Selected::One:
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m_t1 = rhs.GetAs<T1>().getValue();
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m_selected = Selected::One;
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break;
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case Selected::Two:
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m_t2 = rhs.GetAs<T2>().getValue();
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m_selected = Selected::Two;
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break;
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}
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return *this;
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}
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~Either() {
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switch (m_selected) {
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case Selected::One:
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m_t1.T1::~T1();
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break;
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case Selected::Two:
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m_t2.T2::~T2();
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break;
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}
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}
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};
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template <typename T1, typename T2>
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class Either {
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private:
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enum class Selected {
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One, Two
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};
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Selected m_selected;
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union {
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T1 m_t1;
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T2 m_t2;
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};
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public:
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Either(const T1& t1)
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{
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m_t1 = t1;
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m_selected = Selected::One;
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}
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Either(const T2& t2)
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{
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m_t2 = t2;
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m_selected = Selected::Two;
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}
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template <class X, typename std::enable_if<std::is_same<T1,X>::value>::type * = nullptr >
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llvm::Optional<T1>
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GetAs()
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{
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switch (m_selected)
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{
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case Selected::One:
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return m_t1;
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default:
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return llvm::Optional<T1>();
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}
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}
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template <class X, typename std::enable_if<std::is_same<T2,X>::value>::type * = nullptr >
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llvm::Optional<T2>
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GetAs()
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{
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switch (m_selected)
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{
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case Selected::Two:
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return m_t2;
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default:
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return llvm::Optional<T2>();
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}
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}
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};
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} // namespace lldb_utility
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#endif // #ifndef liblldb_Either_h_
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@ -1777,7 +1777,6 @@
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26CFDCA2186163A4000E63E5 /* Editline.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Editline.cpp; sourceTree = "<group>"; };
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26CFDCA01861638D000E63E5 /* Editline.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Editline.h; path = include/lldb/Host/Editline.h; sourceTree = "<group>"; };
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2326CF511BDD693B00A5CEAC /* EditlineTest.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = EditlineTest.cpp; sourceTree = "<group>"; };
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9481FE6B1B5F2D9200DED357 /* Either.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = Either.h; path = include/lldb/Utility/Either.h; sourceTree = "<group>"; };
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26D9FDC812F784FD0003F2EE /* EmulateInstruction.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = EmulateInstruction.cpp; path = source/Core/EmulateInstruction.cpp; sourceTree = "<group>"; };
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26D9FDC612F784E60003F2EE /* EmulateInstruction.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = EmulateInstruction.h; path = include/lldb/Core/EmulateInstruction.h; sourceTree = "<group>"; };
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9A22A15D135E30370024DDC3 /* EmulateInstructionARM.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = EmulateInstructionARM.cpp; sourceTree = "<group>"; };
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@ -4510,7 +4509,6 @@
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49CA96E81E6AAC6600C03FEE /* DataEncoder.cpp */,
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49CA96F41E6AAC8E00C03FEE /* DataExtractor.h */,
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49CA96E91E6AAC6600C03FEE /* DataExtractor.cpp */,
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9481FE6B1B5F2D9200DED357 /* Either.h */,
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26BC7DD310F1B7D500F91463 /* Endian.h */,
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AFC2DCE61E6E2ED000283714 /* FastDemangle.cpp */,
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AFC2DCED1E6E2F9800283714 /* FastDemangle.h */,
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