Method visitFrameStart

src/jvm/clojure/asm/MethodWriter.java:1813–1822

Starts the visit of a new stack map frame, stored in #currentFrame. @param offset the bytecode offset of the instruction to which the frame corresponds. @param nLocal the number of local variables in the frame. @param nStack the number of stack elements in the frame. @return the index of th

(final int offset, final int nLocal, final int nStack)

   * @return the index of the next element to be written in this frame.
   */
  int visitFrameStart(final int offset, final int nLocal, final int nStack) {
    int frameLength = 3 + nLocal + nStack;
    if (currentFrame == null || currentFrame.length < frameLength) {
      currentFrame = new int[frameLength];
    }
    currentFrame[0] = offset;
    currentFrame[1] = nLocal;
    currentFrame[2] = nStack;
    return 3;
  }

  /**
   * Sets an abstract type in {@link #currentFrame}.