Package javassist.bytecode.analysis

Examples of javassist.bytecode.analysis.ControlFlow

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public class DomTreeTest extends TestCase {
    private ClassPool pool = ClassPool.getDefault();

    public void testDomtree() throws Exception {
        ControlFlow cf = new ControlFlow(pool.get(DomTreeTest.class.getName()).getDeclaredMethod("test1"));
        Block[] blocks = cf.basicBlocks();
        // for (int i = 0; i < blocks.length; i++)
        //    System.out.println(i + ": " + blocks[i]);
        testBlock(blocks[0], new int[] {}, new int[] { 11, 6 } );
        testBlock(blocks[1], new int[] { 0 }, new int[] { 17, 11 } );
        testBlock(blocks[2], new int[] { 0, 6 }, new int[] { 19, 17 });
        testBlock(blocks[3], new int[] { 6, 11 }, new int[] { 19 });
        testBlock(blocks[4], new int[] { 11, 17 }, new int[] {});

        Node[] dom = cf.dominatorTree();
        assertNull(dom[0].parent());
        assertEquals(0, dom[1].parent().block().position());
        assertEquals(0, dom[2].parent().block().position());
        assertEquals(0, dom[3].parent().block().position());
        assertEquals(0, dom[4].parent().block().position());

        Node[] pdom = cf.postDominatorTree();
        assertEquals(19, pdom[0].parent().block().position());
        assertEquals(19, pdom[1].parent().block().position());
        assertEquals(19, pdom[2].parent().block().position());
        assertEquals(19, pdom[3].parent().block().position());
        assertNull(pdom[4].parent());
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            k = 3 ;
        }
    }

    public void testDomtree2() throws Exception {
        ControlFlow cf = new ControlFlow(pool.get(DomTreeTest.class.getName()).getDeclaredMethod("test2"));
        Block[] blocks = cf.basicBlocks();
        // for (int i = 0; i < blocks.length; i++)
        //    System.out.println(i + ": " + blocks[i]);
        testBlock(blocks[0], new int[] { 7 }, new int[] { 14, 7 } );
        testBlock(blocks[1], new int[] { 0 }, new int[] { 0, 12 } );
        testBlock(blocks[2], new int[] { 7 }, new int[] {});
        testBlock(blocks[3], new int[] { 0 }, new int[] {});

        Node[] dom = cf.dominatorTree();
        assertNull(dom[0].parent());
        assertEquals(0, dom[1].parent().block().position());
        assertEquals(7, dom[2].parent().block().position());
        assertEquals(0, dom[3].parent().block().position());

        Node[] pdom = cf.postDominatorTree();
        assertNull(pdom[0].parent());
        assertNull(pdom[1].parent());
        assertNull(pdom[2].parent());
        assertNull(pdom[3].parent());
    }
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        return i + 3;
    }

    public void testDomtree3() throws Exception {
        ControlFlow cf = new ControlFlow(pool.get(DomTreeTest.class.getName()).getDeclaredMethod("test3"));
        Block[] blocks = cf.basicBlocks();
        for (int i = 0; i < blocks.length; i++)
            System.out.println(blocks[i]);
    }
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import javassist.bytecode.analysis.ControlFlow.Node;

public class DomTreePrinter {
    public static void main(String[] args) throws Exception {
        ClassPool pool = ClassPool.getDefault();
        ControlFlow cf = new ControlFlow(pool.get(args[0]).getDeclaredMethod(args[1]));
        Block[] blocks = cf.basicBlocks();
        for (int i = 0; i < blocks.length; i++)
            System.out.println(i + ": " + blocks[i]);

        Node[] dom = cf.dominatorTree();
        for (int i = 0; i < dom.length; i++)
            System.out.println(i + ": " + dom[i]);

        Node[] pdom = cf.postDominatorTree();
        for (int i = 0; i < pdom.length; i++)
            System.out.println(i + ": " + pdom[i]);
    }
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Related Classes of javassist.bytecode.analysis.ControlFlow

  • test.javassist.bytecode.analysis.DomTreePrinter
  • test.javassist.bytecode.analysis.DomTreeTest
  • java.util.ArrayList
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