mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-15 22:02:49 -06:00
142 lines
2.5 KiB
C++
142 lines
2.5 KiB
C++
#include "Core.h"
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namespace Upp {
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struct Vector_ {
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void *vector;
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int items;
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int alloc;
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};
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#ifdef _DEBUG
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void *break_when_picked;
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void BreakWhenPicked(void *ptr)
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{
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if(ptr == break_when_picked)
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__BREAK__;
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}
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void BREAK_WHEN_PICKED__(void *ptr)
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{
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break_when_picked = ptr;
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}
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#endif
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void VectorReAlloc_(void *v_, int newalloc, int sizeofT)
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{
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Vector_ *v = (Vector_*)v_;
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ASSERT(newalloc >= v->items);
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ASSERT(v->items >= 0); // Pick semantics broken
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size_t sz0 = (size_t)newalloc * sizeofT;
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size_t sz = sz0;
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void *newvector = newalloc ? MemoryAllocSz(sz) : NULL;
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v->alloc = newalloc == INT_MAX ? INT_MAX // maximum alloc reached
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: (int)((sz - sz0) / sizeofT + newalloc); // adjust alloc to real memory size
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if(v->vector)
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memcpy(newvector, v->vector, (size_t)v->items * sizeofT);
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v->vector = newvector;
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}
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void VectorReAllocF_(void *v_, int newalloc, int sizeofT)
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{
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Vector_ *v = (Vector_*)v_;
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void *prev = v->vector;
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VectorReAlloc_(v, newalloc, sizeofT);
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MemoryFree(prev);
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}
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void VectorGrow_(void *v_, int sizeofT)
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{
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Vector_ *v = (Vector_*)v_;
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if(v->alloc == INT_MAX)
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Panic("Too many items in container!");
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#ifdef _DEBUG
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VectorReAlloc_(v, max(v->alloc + 1, v->alloc >= INT_MAX / 2 ? INT_MAX : 2 * v->alloc), sizeofT);
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#else
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VectorReAlloc_(v, max(v->alloc + 1, v->alloc >= int((int64)2 * INT_MAX / 3) ? INT_MAX : v->alloc + (v->alloc >> 1)), sizeofT);
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#endif
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}
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void VectorGrowF_(void *v_, int sizeofT)
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{
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Vector_ *v = (Vector_*)v_;
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void *prev = v->vector;
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VectorGrow_(v, sizeofT);
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MemoryFree(prev);
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}
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int64 NewInVectorSerial()
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{
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static int64 x;
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INTERLOCKED {
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++x;
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}
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return x;
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}
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thread__ int64 invector_cache_serial_;
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thread__ int invector_cache_blki_;
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thread__ int invector_cache_offset_;
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thread__ int invector_cache_end_;
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void Bits::Free()
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{
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if(bp)
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MemoryFree(bp);
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}
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void Bits::Clear()
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{
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alloc = 0;
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bp = NULL;
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}
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void Bits::Realloc(int nalloc)
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{
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size_t sz = sizeof(dword) * nalloc;
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dword *nbp = (dword *)MemoryAllocSz(sz);
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nalloc = sz / sizeof(dword);
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if(bp) {
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Copy(nbp, bp, bp + min(alloc, nalloc));
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Free();
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}
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if(nalloc > alloc)
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Fill(nbp + alloc, nbp + nalloc, (dword)0);
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bp = nbp;
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alloc = nalloc;
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}
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void Bits::Expand(int q)
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{
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Realloc(3 * q / 2 + 1);
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}
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void Bits::Reserve(int nbits)
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{
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int n = (nbits + 31) >> 5;
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if(n > alloc)
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Realloc(n);
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}
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void Bits::Shrink()
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{
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int lasti = alloc - 1;
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while(lasti > 0 && bp[lasti] == 0)
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lasti--;
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int nalloc = lasti + 1;
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if(nalloc != alloc)
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Realloc(nalloc);
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}
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dword *Bits::CreateRaw(int n_dwords)
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{
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Clear();
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Realloc(n_dwords);
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return bp;
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}
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}
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