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authorMisha Brukman <brukman+llvm@gmail.com>2009-01-09 19:25:42 +0000
committerMisha Brukman <brukman+llvm@gmail.com>2009-01-09 19:25:42 +0000
commit57dffea9950f12c3ec948ff152ce0b9aa78724a6 (patch)
treec7cd9d64b35ff34786c12499439ef5e525642d50 /include/llvm/ADT/SmallVector.h
parent10e63334f4a4a2bb420dc6aad7d4a0b7a5a70dec (diff)
downloadexternal_llvm-57dffea9950f12c3ec948ff152ce0b9aa78724a6.zip
external_llvm-57dffea9950f12c3ec948ff152ce0b9aa78724a6.tar.gz
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Removed trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62000 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT/SmallVector.h')
-rw-r--r--include/llvm/ADT/SmallVector.h152
1 files changed, 76 insertions, 76 deletions
diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h
index 4fc93df..8a2e17b 100644
--- a/include/llvm/ADT/SmallVector.h
+++ b/include/llvm/ADT/SmallVector.h
@@ -54,7 +54,7 @@ template <typename T>
class SmallVectorImpl {
protected:
T *Begin, *End, *Capacity;
-
+
// Allocate raw space for N elements of type T. If T has a ctor or dtor, we
// don't want it to be automatically run, so we need to represent the space as
// something else. An array of char would work great, but might not be
@@ -76,11 +76,11 @@ protected:
public:
// Default ctor - Initialize to empty.
SmallVectorImpl(unsigned N)
- : Begin(reinterpret_cast<T*>(&FirstEl)),
- End(reinterpret_cast<T*>(&FirstEl)),
+ : Begin(reinterpret_cast<T*>(&FirstEl)),
+ End(reinterpret_cast<T*>(&FirstEl)),
Capacity(reinterpret_cast<T*>(&FirstEl)+N) {
}
-
+
~SmallVectorImpl() {
// Destroy the constructed elements in the vector.
destroy_range(Begin, End);
@@ -89,16 +89,16 @@ public:
if (!isSmall())
operator delete(Begin);
}
-
+
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef T value_type;
typedef T* iterator;
typedef const T* const_iterator;
-
+
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
-
+
typedef T& reference;
typedef const T& const_reference;
typedef T* pointer;
@@ -113,14 +113,14 @@ public:
const_iterator begin() const { return Begin; }
iterator end() { return End; }
const_iterator end() const { return End; }
-
+
// reverse iterator creation methods.
reverse_iterator rbegin() { return reverse_iterator(end()); }
const_reverse_iterator rbegin() const{ return const_reverse_iterator(end()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin());}
-
-
+
+
/* These asserts could be "Begin + idx < End", but there are lots of places
in llvm where we use &v[v.size()] instead of v.end(). */
reference operator[](unsigned idx) {
@@ -131,21 +131,21 @@ public:
assert (Begin + idx <= End);
return Begin[idx];
}
-
+
reference front() {
return begin()[0];
}
const_reference front() const {
return begin()[0];
}
-
+
reference back() {
return end()[-1];
}
const_reference back() const {
return end()[-1];
}
-
+
void push_back(const_reference Elt) {
if (End < Capacity) {
Retry:
@@ -156,23 +156,23 @@ public:
grow();
goto Retry;
}
-
+
void pop_back() {
--End;
End->~T();
}
-
+
T pop_back_val() {
T Result = back();
pop_back();
return Result;
}
-
+
void clear() {
destroy_range(Begin, End);
End = Begin;
}
-
+
void resize(unsigned N) {
if (N < size()) {
destroy_range(Begin+N, End);
@@ -184,7 +184,7 @@ public:
End = Begin+N;
}
}
-
+
void resize(unsigned N, const T &NV) {
if (N < size()) {
destroy_range(Begin+N, End);
@@ -196,14 +196,14 @@ public:
End = Begin+N;
}
}
-
+
void reserve(unsigned N) {
if (unsigned(Capacity-Begin) < N)
grow(N);
}
-
+
void swap(SmallVectorImpl &RHS);
-
+
/// append - Add the specified range to the end of the SmallVector.
///
template<typename in_iter>
@@ -217,7 +217,7 @@ public:
std::uninitialized_copy(in_start, in_end, End);
End += NumInputs;
}
-
+
/// append - Add the specified range to the end of the SmallVector.
///
void append(size_type NumInputs, const T &Elt) {
@@ -229,7 +229,7 @@ public:
std::uninitialized_fill_n(End, NumInputs, Elt);
End += NumInputs;
}
-
+
void assign(unsigned NumElts, const T &Elt) {
clear();
if (unsigned(Capacity-Begin) < NumElts)
@@ -237,7 +237,7 @@ public:
End = Begin+NumElts;
construct_range(Begin, End, Elt);
}
-
+
iterator erase(iterator I) {
iterator N = I;
// Shift all elts down one.
@@ -246,7 +246,7 @@ public:
pop_back();
return(N);
}
-
+
iterator erase(iterator S, iterator E) {
iterator N = S;
// Shift all elts down.
@@ -256,13 +256,13 @@ public:
End = I;
return(N);
}
-
+
iterator insert(iterator I, const T &Elt) {
if (I == End) { // Important special case for empty vector.
push_back(Elt);
return end()-1;
}
-
+
if (End < Capacity) {
Retry:
new (End) T(back());
@@ -283,100 +283,100 @@ public:
append(NumToInsert, Elt);
return end()-1;
}
-
+
// Convert iterator to elt# to avoid invalidating iterator when we reserve()
size_t InsertElt = I-begin();
-
+
// Ensure there is enough space.
reserve(static_cast<unsigned>(size() + NumToInsert));
-
+
// Uninvalidate the iterator.
I = begin()+InsertElt;
-
+
// If we already have this many elements in the collection, append the
// dest elements at the end, then copy over the appropriate elements. Since
// we already reserved space, we know that this won't reallocate the vector.
if (size() >= NumToInsert) {
T *OldEnd = End;
append(End-NumToInsert, End);
-
+
// Copy the existing elements that get replaced.
std::copy(I, OldEnd-NumToInsert, I+NumToInsert);
-
+
std::fill_n(I, NumToInsert, Elt);
return I;
}
// Otherwise, we're inserting more elements than exist already, and we're
// not inserting at the end.
-
+
// Copy over the elements that we're about to overwrite.
T *OldEnd = End;
End += NumToInsert;
size_t NumOverwritten = OldEnd-I;
std::uninitialized_copy(I, OldEnd, End-NumOverwritten);
-
+
// Replace the overwritten part.
std::fill_n(I, NumOverwritten, Elt);
-
+
// Insert the non-overwritten middle part.
std::uninitialized_fill_n(OldEnd, NumToInsert-NumOverwritten, Elt);
return I;
}
-
+
template<typename ItTy>
iterator insert(iterator I, ItTy From, ItTy To) {
if (I == End) { // Important special case for empty vector.
append(From, To);
return end()-1;
}
-
+
size_t NumToInsert = std::distance(From, To);
// Convert iterator to elt# to avoid invalidating iterator when we reserve()
size_t InsertElt = I-begin();
-
+
// Ensure there is enough space.
reserve(static_cast<unsigned>(size() + NumToInsert));
-
+
// Uninvalidate the iterator.
I = begin()+InsertElt;
-
+
// If we already have this many elements in the collection, append the
// dest elements at the end, then copy over the appropriate elements. Since
// we already reserved space, we know that this won't reallocate the vector.
if (size() >= NumToInsert) {
T *OldEnd = End;
append(End-NumToInsert, End);
-
+
// Copy the existing elements that get replaced.
std::copy(I, OldEnd-NumToInsert, I+NumToInsert);
-
+
std::copy(From, To, I);
return I;
}
// Otherwise, we're inserting more elements than exist already, and we're
// not inserting at the end.
-
+
// Copy over the elements that we're about to overwrite.
T *OldEnd = End;
End += NumToInsert;
size_t NumOverwritten = OldEnd-I;
std::uninitialized_copy(I, OldEnd, End-NumOverwritten);
-
+
// Replace the overwritten part.
std::copy(From, From+NumOverwritten, I);
-
+
// Insert the non-overwritten middle part.
std::uninitialized_copy(From+NumOverwritten, To, OldEnd);
return I;
}
-
+
const SmallVectorImpl &operator=(const SmallVectorImpl &RHS);
-
+
bool operator==(const SmallVectorImpl &RHS) const {
if (size() != RHS.size()) return false;
- for (T *This = Begin, *That = RHS.Begin, *E = Begin+size();
+ for (T *This = Begin, *That = RHS.Begin, *E = Begin+size();
This != E; ++This, ++That)
if (*This != *That)
return false;
@@ -388,12 +388,12 @@ public:
return std::lexicographical_compare(begin(), end(),
RHS.begin(), RHS.end());
}
-
+
private:
/// isSmall - Return true if this is a smallvector which has not had dynamic
/// memory allocated for it.
bool isSmall() const {
- return static_cast<const void*>(Begin) ==
+ return static_cast<const void*>(Begin) ==
static_cast<const void*>(&FirstEl);
}
@@ -405,7 +405,7 @@ private:
for (; S != E; ++S)
new (S) T(Elt);
}
-
+
void destroy_range(T *S, T *E) {
while (S != E) {
--E;
@@ -423,21 +423,21 @@ void SmallVectorImpl<T>::grow(size_t MinSize) {
if (NewCapacity < MinSize)
NewCapacity = MinSize;
T *NewElts = static_cast<T*>(operator new(NewCapacity*sizeof(T)));
-
+
// Copy the elements over.
if (is_class<T>::value)
std::uninitialized_copy(Begin, End, NewElts);
else
// Use memcpy for PODs (std::uninitialized_copy optimizes to memmove).
memcpy(NewElts, Begin, CurSize * sizeof(T));
-
+
// Destroy the original elements.
destroy_range(Begin, End);
-
+
// If this wasn't grown from the inline copy, deallocate the old space.
if (!isSmall())
operator delete(Begin);
-
+
Begin = NewElts;
End = NewElts+CurSize;
Capacity = Begin+NewCapacity;
@@ -446,7 +446,7 @@ void SmallVectorImpl<T>::grow(size_t MinSize) {
template <typename T>
void SmallVectorImpl<T>::swap(SmallVectorImpl<T> &RHS) {
if (this == &RHS) return;
-
+
// We can only avoid copying elements if neither vector is small.
if (!isSmall() && !RHS.isSmall()) {
std::swap(Begin, RHS.Begin);
@@ -458,13 +458,13 @@ void SmallVectorImpl<T>::swap(SmallVectorImpl<T> &RHS) {
grow(RHS.size());
if (RHS.begin()+size() > RHS.Capacity)
RHS.grow(size());
-
+
// Swap the shared elements.
size_t NumShared = size();
if (NumShared > RHS.size()) NumShared = RHS.size();
for (unsigned i = 0; i != static_cast<unsigned>(NumShared); ++i)
std::swap(Begin[i], RHS[i]);
-
+
// Copy over the extra elts.
if (size() > RHS.size()) {
size_t EltDiff = size() - RHS.size();
@@ -480,13 +480,13 @@ void SmallVectorImpl<T>::swap(SmallVectorImpl<T> &RHS) {
RHS.End = RHS.Begin+NumShared;
}
}
-
+
template <typename T>
const SmallVectorImpl<T> &
SmallVectorImpl<T>::operator=(const SmallVectorImpl<T> &RHS) {
// Avoid self-assignment.
if (this == &RHS) return *this;
-
+
// If we already have sufficient space, assign the common elements, then
// destroy any excess.
unsigned RHSSize = unsigned(RHS.size());
@@ -498,15 +498,15 @@ SmallVectorImpl<T>::operator=(const SmallVectorImpl<T> &RHS) {
NewEnd = std::copy(RHS.Begin, RHS.Begin+RHSSize, Begin);
else
NewEnd = Begin;
-
+
// Destroy excess elements.
destroy_range(NewEnd, End);
-
+
// Trim.
End = NewEnd;
return *this;
}
-
+
// If we have to grow to have enough elements, destroy the current elements.
// This allows us to avoid copying them during the grow.
if (unsigned(Capacity-Begin) < RHSSize) {
@@ -519,15 +519,15 @@ SmallVectorImpl<T>::operator=(const SmallVectorImpl<T> &RHS) {
// Otherwise, use assignment for the already-constructed elements.
std::copy(RHS.Begin, RHS.Begin+CurSize, Begin);
}
-
+
// Copy construct the new elements in place.
std::uninitialized_copy(RHS.Begin+CurSize, RHS.End, Begin+CurSize);
-
+
// Set end.
End = Begin+RHSSize;
return *this;
}
-
+
/// SmallVector - This is a 'vector' (really, a variable-sized array), optimized
/// for the case when the array is small. It contains some number of elements
/// in-place, which allows it to avoid heap allocation when the actual number of
@@ -544,36 +544,36 @@ class SmallVector : public SmallVectorImpl<T> {
enum {
// MinUs - The number of U's require to cover N T's.
MinUs = (static_cast<unsigned int>(sizeof(T))*N +
- static_cast<unsigned int>(sizeof(U)) - 1) /
+ static_cast<unsigned int>(sizeof(U)) - 1) /
static_cast<unsigned int>(sizeof(U)),
-
+
// NumInlineEltsElts - The number of elements actually in this array. There
// is already one in the parent class, and we have to round up to avoid
// having a zero-element array.
NumInlineEltsElts = MinUs > 1 ? (MinUs - 1) : 1,
-
+
// NumTsAvailable - The number of T's we actually have space for, which may
// be more than N due to rounding.
NumTsAvailable = (NumInlineEltsElts+1)*static_cast<unsigned int>(sizeof(U))/
static_cast<unsigned int>(sizeof(T))
};
U InlineElts[NumInlineEltsElts];
-public:
+public:
SmallVector() : SmallVectorImpl<T>(NumTsAvailable) {
}
-
+
explicit SmallVector(unsigned Size, const T &Value = T())
: SmallVectorImpl<T>(NumTsAvailable) {
this->reserve(Size);
while (Size--)
this->push_back(Value);
}
-
+
template<typename ItTy>
SmallVector(ItTy S, ItTy E) : SmallVectorImpl<T>(NumTsAvailable) {
this->append(S, E);
}
-
+
SmallVector(const SmallVector &RHS) : SmallVectorImpl<T>(NumTsAvailable) {
if (!RHS.empty())
SmallVectorImpl<T>::operator=(RHS);
@@ -583,7 +583,7 @@ public:
SmallVectorImpl<T>::operator=(RHS);
return *this;
}
-
+
};
} // End llvm namespace
@@ -595,7 +595,7 @@ namespace std {
swap(llvm::SmallVectorImpl<T> &LHS, llvm::SmallVectorImpl<T> &RHS) {
LHS.swap(RHS);
}
-
+
/// Implement std::swap in terms of SmallVector swap.
template<typename T, unsigned N>
inline void