82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#include <windows.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include "solvespace.h"
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static HANDLE PermHeap, TempHeap;
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void dbp(char *str, ...)
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{
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va_list f;
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static char buf[1024*50];
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va_start(f, str);
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_vsnprintf(buf, sizeof(buf), str, f);
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va_end(f);
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OutputDebugString(buf);
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}
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void GetAbsoluteFilename(char *file)
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{
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char absoluteFile[MAX_PATH];
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GetFullPathName(file, sizeof(absoluteFile), absoluteFile, NULL);
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strcpy(file, absoluteFile);
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}
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//-----------------------------------------------------------------------------
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// A separate heap, on which we allocate expressions. Maybe a bit faster,
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// since no fragmentation issues whatsoever, and it also makes it possible
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// to be sloppy with our memory management, and just free everything at once
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// at the end.
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//-----------------------------------------------------------------------------
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void *AllocTemporary(int n)
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{
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void *v = HeapAlloc(TempHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, n);
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if(!v) oops();
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return v;
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}
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void FreeTemporary(void *p) {
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HeapFree(TempHeap, HEAP_NO_SERIALIZE, p);
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}
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void FreeAllTemporary(void)
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{
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if(TempHeap) HeapDestroy(TempHeap);
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TempHeap = HeapCreate(HEAP_NO_SERIALIZE, 1024*1024*20, 0);
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// This is a good place to validate, because it gets called fairly
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// often.
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vl();
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}
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void *MemRealloc(void *p, int n) {
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if(!p) {
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return MemAlloc(n);
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}
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p = HeapReAlloc(PermHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, p, n);
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if(!p) oops();
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return p;
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}
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void *MemAlloc(int n) {
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void *p = HeapAlloc(PermHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, n);
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if(!p) oops();
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return p;
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}
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void MemFree(void *p) {
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HeapFree(PermHeap, HEAP_NO_SERIALIZE, p);
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}
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void vl(void) {
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if(!HeapValidate(TempHeap, HEAP_NO_SERIALIZE, NULL)) oops();
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if(!HeapValidate(PermHeap, HEAP_NO_SERIALIZE, NULL)) oops();
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}
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void InitHeaps(void) {
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// Create the heap used for long-lived stuff (that gets freed piecewise).
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PermHeap = HeapCreate(HEAP_NO_SERIALIZE, 1024*1024*20, 0);
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// Create the heap that we use to store Exprs and other temp stuff.
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FreeAllTemporary();
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}
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