growableArray.cpp

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/* Copyright 1994 - 1996 LongView Technologies L.L.C. $Revision: 1.16 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
All rights reserved.

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    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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          from this software without specific prior written permission.

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# include "incls/_precompiled.incl"
# include "incls/_growableArray.cpp.incl"

GenericGrowableArray::GenericGrowableArray(int initial_size, bool c_heap) {
  len = 0;
  max = initial_size;
  assert(len <= max, "initial_size too small");
  on_C_heap = c_heap;
  if (c_heap) {
    data = (void**)AllocateHeap(max * sizeof(void*), "bounded list");
  } else {
    data = NEW_RESOURCE_ARRAY( void*, max);
  }
}

GenericGrowableArray::GenericGrowableArray(int initial_size, int initial_len, void* filler, bool c_heap) {
  len = initial_len;
  max = initial_size;
  assert(len <= max, "initial_len too big");
  on_C_heap = c_heap;
  if (c_heap) {
    data = (void**)AllocateHeap(max * sizeof(void*), "bounded list");
  } else {
    data = NEW_RESOURCE_ARRAY( void*, max);
  }
  for (int i = 0; i < len; i++) data[i] = filler;
}

void GenericGrowableArray::grow(int j) {
  void** newData;
  if (max == 0) fatal("cannot grow array with max = 0"); // for debugging - should create such arrays with max > 0
  while (j >= max) max = max*2;
  // j < max
  if (on_C_heap) {
    newData = (void**)AllocateHeap(max * sizeof(void*), "bounded list");
  } else {
    newData = NEW_RESOURCE_ARRAY( void*, max);
  }
  for (int i = 0; i < len; i++) newData[i] = data[i];
  data = newData;
}

bool GenericGrowableArray::raw_contains(const void* elem) const {
  for (int i = 0; i < len; i++) {
    if (data[i] == elem) return true;
  }
  return false;
}

GenericGrowableArray* GenericGrowableArray::raw_copy() const {
  GenericGrowableArray* copy = new GenericGrowableArray(max, len, NULL);
  for (int i = 0; i < len; i++) {
    copy->data[i] = data[i];
  }
  return copy;
}

void GenericGrowableArray::raw_appendAll(GenericGrowableArray* l) {
  for (int i = 0; i < l->len; i++) {
    raw_at_put_grow(len, l->data[i], NULL);
  }
}

int GenericGrowableArray::raw_find(const void* elem) const {
  for (int i = 0; i < len; i++) {
    if (data[i] == elem) return i;
  }
  return -1;
}

int GenericGrowableArray::raw_find(void* token, growableArrayFindFn f) const  {
  for (int i = 0; i < len; i++) {
    if (f(token, data[i])) return i;
  }
  return -1;
}

void GenericGrowableArray::raw_remove(const void* elem) {
  for (int i = 0; i < len; i++) {
    if (data[i] == elem) {
      for (int j = i + 1; j < len; j++) data[j-1] = data[j];
      len--;
      return;
    }
  }
  ShouldNotReachHere();
}

void GenericGrowableArray::raw_apply(voidDoFn f) const {
  for (int i = 0; i < len; i++) f(data[i]);
}

void* GenericGrowableArray::raw_at_grow(int i, const void* fill) {
  if (i >= len) {
    if (i >= max) grow(i);
    for (int j = len; j <= i; j++) data[j] = (void*)fill;
    len = i+1;
  }
  return data[i];
}

void GenericGrowableArray::raw_at_put_grow(int i, const void* p, const void* fill) {
  if (i >= len) {
    if (i >= max) grow(i);
    for (int j = len; j < i; j++) data[j] = (void*)fill;
    len = i+1;
  }
  data[i] = (void*)p;
}

void GenericGrowableArray::print() {
  print_short();
  lprintf(": length %ld (max %ld) { ", len, max);
  for (int i = 0; i < len; i++) lprintf("%#lx ", (long)data[i]);
  lprintf("}\n");
}


void GenericGrowableArray::raw_sort(int f(const void *, const void *)) {
  qsort(data, length(), sizeof(void*), f);
}

void GenericGrowableArray::print_short() { std->print("Growable Array %#lx", this); }

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