jodd-proxetta/src/main/java/jodd/asm7/Frame.java
private void push(final int abstractType) {
    // Create and/or resize the output stack array if necessary.
    if (outputStack == null) {
      outputStack = new int[10];
    }
    int outputStackLength = outputStack.length;
    if (outputStackTop >= outputStackLength) {
      int[] newOutputStack = new int[Math.max(outputStackTop + 1, 2 * outputStackLength)];
      System.arraycopy(outputStack, 0, newOutputStack, 0, outputStackLength);
      outputStack = newOutputStack;
    }
    // Pushes the abstract type on the output stack.
    outputStack[outputStackTop++] = abstractType;
    // Updates the maximum size reached by the output stack, if needed (note that this size is
    // relative to the input stack size, which is not known yet).
    short outputStackSize = (short) (outputStackStart + outputStackTop);
    if (outputStackSize > owner.outputStackMax) {
      owner.outputStackMax = outputStackSize;
    }
  }
private void push(final int abstractType) {
    // Create and/or resize the output stack array if necessary.
    if (outputStack == null) {
      outputStack = new int[10];
    }
    int outputStackLength = outputStack.length;
    if (outputStackTop >= outputStackLength) {
      int[] newOutputStack = new int[Math.max(outputStackTop + 1, 2 * outputStackLength)];
      System.arraycopy(outputStack, 0, newOutputStack, 0, outputStackLength);
      outputStack = newOutputStack;
    }
    // Pushes the abstract type on the output stack.
    outputStack[outputStackTop++] = abstractType;
    // Updates the maximum size reached by the output stack, if needed (note that this size is
    // relative to the input stack size, which is not known yet).
    short outputStackSize = (short) (outputStackStart + outputStackTop);
    if (outputStackSize > owner.outputStackMax) {
      owner.outputStackMax = outputStackSize;
    }
  }
Pushes the given abstract type on the output frame stack.

@param abstractType an abstract type.