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< > BotCompany Repo | #1009445 // guessDeepObjectSize_recursive (should be pretty exact now)

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (3197L/21K).

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sclass guessDeepObjectSize_recursive_Data {
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  long size;
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  new L stack;
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  Set seen = identityHashSet(); // add objects here to ignore them
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  Set<Field> fieldsToIgnore;
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  Set<S> realmsToIgnore;
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  VF1<O> onNewObject;
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}
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static long guessDeepObjectSize_recursive(O o) {
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  if (o == null) ret 0;
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  ret guessDeepObjectSize_recursive(new guessDeepObjectSize_recursive_Data, o);
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}
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static long guessDeepObjectSize_recursive(guessDeepObjectSize_recursive_Data data, O o) {
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  if (o == null) ret 0;
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  data.stack.add(o);
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  while ping (nempty(data.stack)) {
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    /*ifdef guessDeepObjectSize_recursive_debug
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      print("gos stack size: " + l(data.stack));
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    endifdef*/
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    guessDeepObjectSize_recursive_step(data, popLast(data.stack));
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  }
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  ret data.size;
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}
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svoid guessDeepObjectSize_recursive_step(guessDeepObjectSize_recursive_Data data, O o) {
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  if (!data.seen.add(o)) ret;
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  if (guessDeepObjectSize_shouldIgnoreObject(o)) ret;
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  callF(data.onNewObject, o);
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  if (data.realmsToIgnore != null && contains(data.realmsToIgnore, getRealm(o))) ret;
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  ifdef guessDeepObjectSize_recursive_debug
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    print("gos: " + getClassName(o));
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  endifdef
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  if (o instanceof Class) ret;
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  if (isArray(o)) {
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    long len;
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    if (o instanceof O[]) {
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      // len is computed correctly by unsafe_sizeOf
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      len = unsafe_sizeOf(o);
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      for (O x : (O[]) o)
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        if (x != null && !data.seen.contains(x)) data.stack.add(x);
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    } else
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      len = inMemorySizeOfPrimitiveArray(o);
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    data.size += len;
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    ret;
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  }
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  data.size += unsafe_sizeOf(o);
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  if (sizeCalculation_shouldSkipObject(o)) ret;
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  for (Field f : nonStaticNonPrimitiveFieldObjects(o)) {
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    if (contains(data.fieldsToIgnore, f)) continue;
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    O x;
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    try {
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      x = f.get(o);
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    } catch e {
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      print("Error trying to access " + f + ": " + e);
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      continue;
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    }
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    if (x != null && !data.seen.contains(x)) {
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      data.stack.add(x);
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      ifdef guessDeepObjectSize_recursive_debug
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        print("gos field " + f + ": " + getClassName(x));
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      endifdef
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    }
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  }
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  //fail("can't handle object type: " + className(o));
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}

Author comment

Began life as a copy of #1009411

download  show line numbers  debug dex  old transpilations   

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Snippet ID: #1009445
Snippet name: guessDeepObjectSize_recursive (should be pretty exact now)
Eternal ID of this version: #1009445/43
Text MD5: 82f0c622278840902f2b63133438f123
Transpilation MD5: 09bc841fbb2b149c0ecaa592587aff64
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-12-13 18:08:27
Source code size: 2173 bytes / 77 lines
Pitched / IR pitched: No / No
Views / Downloads: 545 / 727
Version history: 42 change(s)
Referenced in: [show references]