diff options
Diffstat (limited to 'src/qml/compiler/qv4ssa.cpp')
-rw-r--r-- | src/qml/compiler/qv4ssa.cpp | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/qml/compiler/qv4ssa.cpp b/src/qml/compiler/qv4ssa.cpp index 1e55f6b1c7..6c51044b1e 100644 --- a/src/qml/compiler/qv4ssa.cpp +++ b/src/qml/compiler/qv4ssa.cpp @@ -56,7 +56,6 @@ #include <cmath> #include <iostream> #include <cassert> -#include <algorithm> QT_USE_NAMESPACE @@ -87,120 +86,6 @@ static void showMeTheCode(IR::Function *function, const char *marker) } } -#if !defined(BROKEN_STD_VECTOR_BOOL_OR_BROKEN_STD_FIND) -// Sanity: -class BitVector -{ - std::vector<bool> bits; - -public: - BitVector(int size = 0, bool value = false) - : bits(size, value) - {} - - void reserve(int size) - { bits.reserve(size); } - - int size() const - { - Q_ASSERT(bits.size() < INT_MAX); - return static_cast<int>(bits.size()); - } - - void resize(int newSize) - { bits.resize(newSize); } - - void assign(int newSize, bool value) - { bits.assign(newSize, value); } - - int findNext(int start, bool value, bool wrapAround) const - { - // The ++operator of std::vector<bool>::iterator in libc++ has a bug when using it on an - // iterator pointing to the last element. It will not be set to ::end(), but beyond - // that. (It will be set to the first multiple of the native word size that is bigger - // than size().) - // - // See http://llvm.org/bugs/show_bug.cgi?id=19663 - // - // The work-around is to calculate the distance, and compare it to the size() to see if it's - // beyond the end, or take the minimum of the distance and the size. - - size_t pos = std::distance(bits.begin(), - std::find(bits.begin() + start, bits.end(), value)); - if (wrapAround && pos >= static_cast<size_t>(size())) - pos = std::distance(bits.begin(), - std::find(bits.begin(), bits.begin() + start, value)); - - pos = qMin(pos, static_cast<size_t>(size())); - - Q_ASSERT(pos <= static_cast<size_t>(size())); - Q_ASSERT(pos < INT_MAX); - - return static_cast<int>(pos); - } - - bool at(int idx) const - { return bits.at(idx); } - - void setBit(int idx) - { bits[idx] = true; } - - void clearBit(int idx) - { bits[idx] = false; } -}; -#else // Insanity: -class BitVector -{ - QBitArray bits; - -public: - BitVector(int size = 0, bool value = false) - : bits(size, value) - {} - - void reserve(int size) - { Q_UNUSED(size); } - - int size() const - { return bits.size(); } - - void resize(int newSize) - { bits.resize(newSize); } - - void assign(int newSize, bool value) - { - bits.resize(newSize); - bits.fill(value); - } - - int findNext(int start, bool value, bool wrapAround) const - { - for (int i = start, ei = size(); i < ei; ++i) { - if (at(i) == value) - return i; - } - - if (wrapAround) { - for (int i = 0, ei = start; i < ei; ++i) { - if (at(i) == value) - return i; - } - } - - return size(); - } - - bool at(int idx) const - { return bits.at(idx); } - - void setBit(int idx) - { bits[idx] = true; } - - void clearBit(int idx) - { bits[idx] = false; } -}; -#endif - class ProcessedBlocks { BitVector processed; |