private void visitFrame()

in org.eclipse.sisu.inject/src/org/eclipse/sisu/space/asm/MethodWriter.java [1704:1751]

• 43 lines of code
• 14 McCabe index (conditional complexity)

    private void visitFrame(final Frame f) {
        int i, t;
        int nTop = 0;
        int nLocal = 0;
        int nStack = 0;
        int[] locals = f.inputLocals;
        int[] stacks = f.inputStack;
        // computes the number of locals (ignores TOP types that are just after
        // a LONG or a DOUBLE, and all trailing TOP types)
        for (i = 0; i < locals.length; ++i) {
            t = locals[i];
            if (t == Frame.TOP) {
                ++nTop;
            } else {
                nLocal += nTop + 1;
                nTop = 0;
            }
            if (t == Frame.LONG || t == Frame.DOUBLE) {
                ++i;
            }
        }
        // computes the stack size (ignores TOP types that are just after
        // a LONG or a DOUBLE)
        for (i = 0; i < stacks.length; ++i) {
            t = stacks[i];
            ++nStack;
            if (t == Frame.LONG || t == Frame.DOUBLE) {
                ++i;
            }
        }
        // visits the frame and its content
        int frameIndex = startFrame(f.owner.position, nLocal, nStack);
        for (i = 0; nLocal > 0; ++i, --nLocal) {
            t = locals[i];
            frame[frameIndex++] = t;
            if (t == Frame.LONG || t == Frame.DOUBLE) {
                ++i;
            }
        }
        for (i = 0; i < stacks.length; ++i) {
            t = stacks[i];
            frame[frameIndex++] = t;
            if (t == Frame.LONG || t == Frame.DOUBLE) {
                ++i;
            }
        }
        endFrame();
    }