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Add StringSwitch::Cases functions that takes 6 to 10 arguments.
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Differential Revision: https://reviews.llvm.org/D24882

llvm-svn: 282305
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@rui314
rui314 committed Sep 23, 2016
1 parent 1caaa28 commit 382e5d9
Showing 1 changed file with 61 additions and 41 deletions.
102 changes: 61 additions & 41 deletions llvm/include/llvm/ADT/StringSwitch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,6 @@ class StringSwitch {
(std::memcmp(S, Str.data(), N-1) == 0)) {
Result = &Value;
}

return *this;
}

Expand All @@ -86,7 +85,6 @@ class StringSwitch {
std::memcmp(S, Str.data() + Str.size() + 1 - N, N-1) == 0) {
Result = &Value;
}

return *this;
}

Expand All @@ -97,75 +95,97 @@ class StringSwitch {
std::memcmp(S, Str.data(), N-1) == 0) {
Result = &Value;
}

return *this;
}

template<unsigned N0, unsigned N1>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch& Cases(const char (&S0)[N0], const char (&S1)[N1],
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const T& Value) {
if (!Result && (
(N0-1 == Str.size() && std::memcmp(S0, Str.data(), N0-1) == 0) ||
(N1-1 == Str.size() && std::memcmp(S1, Str.data(), N1-1) == 0))) {
Result = &Value;
}

return *this;
return Case(S0, Value).Case(S1, Value);
}

template<unsigned N0, unsigned N1, unsigned N2>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch& Cases(const char (&S0)[N0], const char (&S1)[N1],
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const T& Value) {
if (!Result && (
(N0-1 == Str.size() && std::memcmp(S0, Str.data(), N0-1) == 0) ||
(N1-1 == Str.size() && std::memcmp(S1, Str.data(), N1-1) == 0) ||
(N2-1 == Str.size() && std::memcmp(S2, Str.data(), N2-1) == 0))) {
Result = &Value;
}

return *this;
return Case(S0, Value).Cases(S1, S2, Value);
}

template<unsigned N0, unsigned N1, unsigned N2, unsigned N3>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch& Cases(const char (&S0)[N0], const char (&S1)[N1],
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const T& Value) {
if (!Result && (
(N0-1 == Str.size() && std::memcmp(S0, Str.data(), N0-1) == 0) ||
(N1-1 == Str.size() && std::memcmp(S1, Str.data(), N1-1) == 0) ||
(N2-1 == Str.size() && std::memcmp(S2, Str.data(), N2-1) == 0) ||
(N3-1 == Str.size() && std::memcmp(S3, Str.data(), N3-1) == 0))) {
Result = &Value;
}

return *this;
return Case(S0, Value).Cases(S1, S2, S3, Value);
}

template<unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch& Cases(const char (&S0)[N0], const char (&S1)[N1],
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const T& Value) {
if (!Result && (
(N0-1 == Str.size() && std::memcmp(S0, Str.data(), N0-1) == 0) ||
(N1-1 == Str.size() && std::memcmp(S1, Str.data(), N1-1) == 0) ||
(N2-1 == Str.size() && std::memcmp(S2, Str.data(), N2-1) == 0) ||
(N3-1 == Str.size() && std::memcmp(S3, Str.data(), N3-1) == 0) ||
(N4-1 == Str.size() && std::memcmp(S4, Str.data(), N4-1) == 0))) {
Result = &Value;
}
return Case(S0, Value).Cases(S1, S2, S3, S4, Value);
}

return *this;
template <unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4,
unsigned N5>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const char (&S5)[N5],
const T &Value) {
return Case(S0, Value).Cases(S1, S2, S3, S4, S5, Value);
}

template <unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4,
unsigned N5, unsigned N6>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const char (&S5)[N5],
const char (&S6)[N6], const T &Value) {
return Case(S0, Value).Cases(S1, S2, S3, S4, S5, S6, Value);
}

template <unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4,
unsigned N5, unsigned N6, unsigned N7>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const char (&S5)[N5],
const char (&S6)[N6], const char (&S7)[N7],
const T &Value) {
return Case(S0, Value).Cases(S1, S2, S3, S4, S5, S6, S7, Value);
}

template <unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4,
unsigned N5, unsigned N6, unsigned N7, unsigned N8>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const char (&S5)[N5],
const char (&S6)[N6], const char (&S7)[N7],
const char (&S8)[N8], const T &Value) {
return Case(S0, Value).Cases(S1, S2, S3, S4, S5, S6, S7, S8, Value);
}

template <unsigned N0, unsigned N1, unsigned N2, unsigned N3, unsigned N4,
unsigned N5, unsigned N6, unsigned N7, unsigned N8, unsigned N9>
LLVM_ATTRIBUTE_ALWAYS_INLINE
StringSwitch &Cases(const char (&S0)[N0], const char (&S1)[N1],
const char (&S2)[N2], const char (&S3)[N3],
const char (&S4)[N4], const char (&S5)[N5],
const char (&S6)[N6], const char (&S7)[N7],
const char (&S8)[N8], const char (&S9)[N9],
const T &Value) {
return Case(S0, Value).Cases(S1, S2, S3, S4, S5, S6, S7, S8, S9, Value);
}

LLVM_ATTRIBUTE_ALWAYS_INLINE
R Default(const T& Value) const {
if (Result)
return *Result;

return Value;
}

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