Example usage for org.objectweb.asm Opcodes GOTO

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Prototype

int GOTO

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Usage

From source file:org.jacoco.core.internal.analysis.filter.StringSwitchJavacFilterTest.java

License:Open Source License

@Test
public void should_not_filter_code_generated_by_ECJ() {
    final Label h1 = new Label();
    final Label h2 = new Label();
    final Label cases = new Label();

    m.visitVarInsn(Opcodes.ALOAD, 1);/*from   www .j a v a 2s  .  c  o  m*/
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "hashCode", "()I", false);
    m.visitTableSwitchInsn(0, 2, cases, h1, h2);

    m.visitLabel(h1);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitLdcInsn("a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "a", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, cases);

    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitLdcInsn("\0a");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "\0a", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, cases);

    // goto default case
    m.visitJumpInsn(Opcodes.GOTO, cases);

    m.visitLabel(h2);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitLdcInsn("b");
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
    // if equal "b", then goto its case
    m.visitJumpInsn(Opcodes.IFNE, cases);

    // goto default case
    m.visitJumpInsn(Opcodes.GOTO, cases);

    m.visitLabel(cases);

    filter.filter(m, context, output);

    assertIgnored();
}

---

From source file:org.jacoco.core.internal.analysis.filter.SynchronizedFilterTest.java

License:Open Source License

@Test
public void javac() {
    final Label start = new Label();
    final Label end = new Label();
    final Label handler = new Label();
    final Label handlerEnd = new Label();
    m.visitTryCatchBlock(start, end, handler, null);
    m.visitTryCatchBlock(handler, handlerEnd, handler, null);

    m.visitVarInsn(Opcodes.ALOAD, 0);//from  w  w  w.  j a  v a  2  s.c o  m
    m.visitFieldInsn(Opcodes.GETFIELD, "Fun", "lock", "Ljava/lang/Object;");
    m.visitInsn(Opcodes.DUP);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitInsn(Opcodes.MONITORENTER);
    m.visitLabel(start);
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(end);
    final Label exit = new Label();
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(handler);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(handlerEnd);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitInsn(Opcodes.ATHROW);
    m.visitLabel(exit);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(new Range((LabelNode) handler.info, ((LabelNode) exit.info).getPrevious()));
}

---

From source file:org.jacoco.core.internal.analysis.filter.SynchronizedFilterTest.java

License:Open Source License

/**
 * <pre>// w  w w . j  a v  a  2  s . com
 *     try {
 *         ...
 *     } catch (Exception e) {
 *         ...
 *     } finally {
 *         ...
 *     }
 * </pre>
 */
@Test
public void javacTryCatchFinally() {
    final Label start = new Label();
    final Label end = new Label();
    final Label catchHandler = new Label();
    final Label finallyHandler = new Label();
    final Label catchHandlerEnd = new Label();
    m.visitTryCatchBlock(start, end, catchHandler, "java/lang/Exception");
    m.visitTryCatchBlock(start, end, finallyHandler, null);
    m.visitTryCatchBlock(catchHandler, catchHandlerEnd, finallyHandler, null);

    m.visitLabel(start);
    // body
    m.visitInsn(Opcodes.NOP);
    m.visitLabel(end);
    // finally
    m.visitInsn(Opcodes.NOP);
    final Label exit = new Label();
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(catchHandler);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    // catch
    m.visitInsn(Opcodes.NOP);
    m.visitLabel(catchHandlerEnd);
    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(finallyHandler);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitInsn(Opcodes.ATHROW);
    m.visitLabel(exit);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored();
}

---

From source file:org.jacoco.core.internal.analysis.filter.SynchronizedFilterTest.java

License:Open Source License

@Test
public void ecj() {
    final Label start = new Label();
    final Label end = new Label();
    final Label handler = new Label();
    final Label handlerEnd = new Label();
    m.visitTryCatchBlock(start, end, handler, null);
    m.visitTryCatchBlock(handler, handlerEnd, handler, null);

    m.visitVarInsn(Opcodes.ALOAD, 0);// w ww .  jav a 2 s.c  o  m
    m.visitFieldInsn(Opcodes.GETFIELD, "Target", "lock", "Ljava/lang/Object;");
    m.visitInsn(Opcodes.DUP);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitInsn(Opcodes.MONITORENTER);
    m.visitLabel(start);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(end);
    final Label exit = new Label();
    m.visitJumpInsn(Opcodes.GOTO, exit);
    m.visitLabel(handler);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.MONITOREXIT);
    m.visitLabel(handlerEnd);
    m.visitInsn(Opcodes.ATHROW);
    m.visitLabel(exit);
    m.visitInsn(Opcodes.RETURN);

    filter.filter(m, context, output);

    assertIgnored(new Range((LabelNode) handler.info, ((LabelNode) exit.info).getPrevious()));
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesEcjFilterTest.java

License:Open Source License

/**
 * ECJ for//ww w .j  av a2s .  co  m
 *
 * <pre>
 *     try (r0 = ...; r1 = ...; r2= ...) {
 *         ...
 *     } finally (...) {
 *         ...
 *     }
 *     ...
 * </pre>
 *
 * generates
 *
 * <pre>
 *     ACONST_NULL
 *     ASTORE primaryExc
 *     ACONST_NULL
 *     ASTORE suppressedExc
 *     ...
 *     ASTORE r1
 *     ...
 *     ASTORE r2
 *     ...
 *     ASTORE r3
 *
 *     ... // body
 *
 *     ALOAD r3
 *     IFNULL r2_close
 *     ALOAD r3
 *     INVOKEVIRTUAL close:()V
 *     GOTO r2_close
 *
 *     ASTORE primaryExc
 *     ALOAD r3
 *     IFNULL n
 *     ALOAD r3
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     r2_close:
 *     ALOAD r2
 *     IFNULL r1_close
 *     ALOAD r2
 *     INVOKEVIRTUAL close:()V
 *     GOTO r1_close
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD r2
 *     IFNULL n
 *     ALOAD r2
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     r1_close:
 *     ALOAD r1
 *     IFNULL after
 *     ALOAD r1
 *     INVOKEVIRTUAL close:()V
 *     GOTO after
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD r1
 *     IFNULL n
 *     ALOAD r1
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ... // additional handlers for catch blocks and finally on exceptional path
 *
 *     after:
 *     ... // finally on normal path
 *     ...
 * </pre>
 */
@Test
public void ecj() {
    final Range range0 = new Range();
    final Range range1 = new Range();

    final Label handler = new Label();
    m.visitTryCatchBlock(handler, handler, handler, null);

    // primaryExc = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    // suppressedExc = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 2);

    // body
    m.visitInsn(Opcodes.NOP);

    final Label l4 = new Label();
    final Label l7 = new Label();
    final Label end = new Label();
    { // nextIsEcjClose("r0")
        m.visitVarInsn(Opcodes.ALOAD, 5);
        range0.fromInclusive = m.instructions.getLast();
        m.visitJumpInsn(Opcodes.IFNULL, l4);
        m.visitVarInsn(Opcodes.ALOAD, 5);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
    }
    m.visitJumpInsn(Opcodes.GOTO, l4);
    range0.toInclusive = m.instructions.getLast();
    // catch (any primaryExc)
    m.visitLabel(handler);
    range1.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 1);
    { // nextIsEcjCloseAndThrow("r0")
        m.visitVarInsn(Opcodes.ALOAD, 5);
        Label l11 = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, l11);
        m.visitVarInsn(Opcodes.ALOAD, 5);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
        m.visitLabel(l11);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    m.visitLabel(l4);
    { // nextIsEcjClose("r1")
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitJumpInsn(Opcodes.IFNULL, l7);
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
    }
    m.visitJumpInsn(Opcodes.GOTO, l7);
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    { // nextIsEcjCloseAndThrow("r1")
        m.visitVarInsn(Opcodes.ALOAD, 4);
        final Label l14 = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, l14);
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
        m.visitLabel(l14);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    m.visitLabel(l7);
    { // nextIsEcjClose("r2")
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitJumpInsn(Opcodes.IFNULL, end);
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
        m.visitJumpInsn(Opcodes.GOTO, end);
    }
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    { // nextIsEcjCloseAndThrow("r2")
        m.visitVarInsn(Opcodes.ALOAD, 3);
        final Label l18 = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, l18);
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun2$Resource", "close", "()V", false);
        m.visitLabel(l18);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    // throw primaryExc
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.ATHROW);
    range1.toInclusive = m.instructions.getLast();

    // additional handlers
    m.visitInsn(Opcodes.NOP);

    filter.filter(m, context, output);

    assertIgnored(range0, range1);
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesEcjFilterTest.java

License:Open Source License

/**
 * ECJ for// w ww. j  ava2  s  . c  om
 *
 * <pre>
 *     try (r1 = ...; r2 = ...; r3 = ...) {
 *         return ...
 *     } finally {
 *         ...
 *     }
 * </pre>
 *
 * generates
 *
 * <pre>
 *     ACONST_NULL
 *     astore primaryExc
 *     ACONST_NULL
 *     astore suppressedExc
 *
 *     ...
 *     ASTORE r1
 *     ...
 *     ASTORE r2
 *     ...
 *     ASTORE r3
 *
 *     ... // body
 *
 *     ALOAD r3
 *     IFNULL n
 *     ALOAD r3
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD r2
 *     IFNULL n
 *     ALOAD r2
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD r1
 *     IFNULL n
 *     ALOAD r1
 *     INVOKEVIRTUAL close:()V
 *     n:
 *
 *     ... // finally on normal path
 *     ARETURN
 *
 *     ASTORE primaryExc
 *     ALOAD r3
 *     IFNULL n
 *     ALOAD r3
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO  e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ  e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD r2
 *     IFNULL n
 *     ALOAD r2
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD r1
 *     IFNULL n
 *     ALOAD r1
 *     INVOKEVIRTUAL close:()V
 *     n:
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ASTORE suppressedExc
 *     ALOAD primaryExc
 *     IFNONNULL s
 *     ALOAD suppressedExc
 *     ASTORE primaryExc
 *     GOTO e
 *     s:
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     IF_ACMPEQ e
 *     ALOAD primaryExc
 *     ALOAD suppressedExc
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     e:
 *
 *     ALOAD primaryExc
 *     ATHROW
 *
 *     ... // additional handlers for catch blocks and finally on exceptional path
 * </pre>
 */
@Test
public void ecj_noFlowOut() {
    final Range range0 = new Range();
    final Range range1 = new Range();

    final Label handler = new Label();
    m.visitTryCatchBlock(handler, handler, handler, null);

    // primaryExc = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 1);
    // suppressedExc = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 2);

    // body
    m.visitInsn(Opcodes.NOP);

    { // nextIsEcjClose("r0")
        final Label label = new Label();
        m.visitVarInsn(Opcodes.ALOAD, 5);
        range0.fromInclusive = m.instructions.getLast();
        m.visitJumpInsn(Opcodes.IFNULL, label);
        m.visitVarInsn(Opcodes.ALOAD, 5);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        m.visitLabel(label);
    }
    { // nextIsEcjClose("r1")
        final Label label = new Label();
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitJumpInsn(Opcodes.IFNULL, label);
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        m.visitLabel(label);
    }
    { // nextIsEcjClose("r2")
        final Label label = new Label();
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitJumpInsn(Opcodes.IFNULL, label);
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        range0.toInclusive = m.instructions.getLast();
        m.visitLabel(label);
    }

    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitInsn(Opcodes.ARETURN);

    // catch (any primaryExc)
    m.visitLabel(handler);
    range1.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 1);
    { // nextIsEcjCloseAndThrow("r0")
        m.visitVarInsn(Opcodes.ALOAD, 5);
        final Label throwLabel = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 5);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        m.visitLabel(throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    { // nextIsEcjCloseAndThrow("r1")
        m.visitVarInsn(Opcodes.ALOAD, 4);
        final Label throwLabel = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 4);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        m.visitLabel(throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    { // nextIsEcjCloseAndThrow("r2")
        m.visitVarInsn(Opcodes.ALOAD, 3);
        final Label throwLabel = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource", "close", "()V", false);
        m.visitLabel(throwLabel);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitInsn(Opcodes.ATHROW);
    }
    { // nextIsEcjSuppress
        m.visitVarInsn(Opcodes.ASTORE, 2);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        final Label suppressStart = new Label();
        m.visitJumpInsn(Opcodes.IFNONNULL, suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ASTORE, 1);
        final Label suppressEnd = new Label();
        m.visitJumpInsn(Opcodes.GOTO, suppressEnd);
        m.visitLabel(suppressStart);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitJumpInsn(Opcodes.IF_ACMPEQ, suppressEnd);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitLabel(suppressEnd);
    }
    // throw primaryExc
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.ATHROW);
    range1.toInclusive = m.instructions.getLast();

    // additional handlers
    m.visitInsn(Opcodes.NOP);

    filter.filter(m, context, output);

    assertIgnored(range0, range1);
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesJavac11FilterTest.java

License:Open Source License

/**
 * <pre>/* w ww. java 2  s . co  m*/
 *   try (r = new ...) {
 *     ...
 *   }
 * </pre>
 */
@Test
public void without_null_check() {
    final Range range1 = new Range();
    final Range range2 = new Range();

    final Label e = new Label();
    final Label t = new Label();

    final Label handler = new Label();
    m.visitTryCatchBlock(handler, handler, handler, "java/lang/Throwable");

    m.visitInsn(Opcodes.NOP);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    range1.fromInclusive = m.instructions.getLast();
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Resource", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, e);
    range1.toInclusive = m.instructions.getLast();

    m.visitLabel(handler);
    range2.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Resource", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, t);

    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitLabel(t);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.ATHROW);
    range2.toInclusive = m.instructions.getLast();

    m.visitLabel(e);

    filter.filter(m, context, output);

    assertIgnored(range1, range2);
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesJavac11FilterTest.java

License:Open Source License

/**
 * <pre>//  w w  w .j  a  v  a  2s .  co  m
 *   try (r = open()) {
 *     ...
 *   }
 * </pre>
 */
@Test
public void with_null_check() {
    final Range range1 = new Range();
    final Range range2 = new Range();

    final Label e = new Label();
    final Label t = new Label();

    final Label handler = new Label();
    m.visitTryCatchBlock(handler, handler, handler, "java/lang/Throwable");

    m.visitInsn(Opcodes.NOP);

    m.visitVarInsn(Opcodes.ALOAD, 0);
    range1.fromInclusive = m.instructions.getLast();
    m.visitJumpInsn(Opcodes.IFNULL, e);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Resource", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, e);
    range1.toInclusive = m.instructions.getLast();

    m.visitLabel(handler);
    range2.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 1);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitJumpInsn(Opcodes.IFNULL, t);
    m.visitVarInsn(Opcodes.ALOAD, 0);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Resource", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, t);

    m.visitVarInsn(Opcodes.ASTORE, 2);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitLabel(t);
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitInsn(Opcodes.ATHROW);
    range2.toInclusive = m.instructions.getLast();

    m.visitLabel(e);

    filter.filter(m, context, output);

    assertIgnored(range1, range2);
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesJavacFilterTest.java

License:Open Source License

/**
 * javac 7 and 8 for/* w  w  w. j  a va2s  . co m*/
 *
 * <pre>
 *     try (r0 = ...; r1 = ...) {
 *         return ...
 *     } finally {
 *         ...
 *     }
 * </pre>
 *
 * generate
 *
 * <pre>
 *     ...
 *     ASTORE r0
 *     ACONST_NULL
 *     ASTORE primaryExc0
 *
 *     ...
 *     ASTORE r1
 *     ACONST_NULL
 *     ASTORE primaryExc1
 *
 *     ... // body
 *
 *     ALOAD r1
 *     IFNULL n
 *     ALOAD primaryExc1
 *     IFNULL c
 *     ALOAD r1
 *     INVOKEINTERFACE close:()V
 *     GOTO n
 *     ASTORE t
 *     ALOAD primaryExc1
 *     ALOAD t
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     GOTO n
 *     c:
 *     ALOAD r1
 *     INVOKEINTERFACE close:()V
 *     n:
 *
 *     ALOAD r0
 *     IFNULL n
 *     ALOAD primaryExc0
 *     IFNULL c
 *     ALOAD r0
 *     INVOKEVIRTUAL close:()V
 *     GOTO n
 *     ASTORE t
 *     ALOAD primaryExc0
 *     ALOAD t
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     GOTO n
 *     c:
 *     ALOAD r0
 *     INVOKEVIRTUAL close:()V
 *     n:
 *
 *     ... // finally on normal path
 *     ARETURN
 *
 *     ASTORE t
 *     ALOAD t
 *     ASTORE primaryExc1
 *     ALOAD t
 *     ATHROW
 *
 *     ASTORE t1
 *     ALOAD r1
 *     IFNULL e
 *     ALOAD primaryExc1
 *     IFNULL c
 *     ALOAD r1
 *     INVOKEINTERFACE close:()V
 *     GOTO e
 *     ASTORE t2
 *     ALOAD primaryExc1
 *     ALOAD t2
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     GOTO e
 *     c:
 *     ALOAD r1
 *     INVOKEINTERFACE close:()V
 *     e:
 *     ALOAD t1
 *     ATHROW
 *
 *     ASTORE t
 *     ALOAD t
 *     ASTORE primaryExc0
 *     ALOAD t
 *     ATHROW
 *
 *     ASTORE t1
 *     ALOAD r0
 *     IFNULL e
 *     ALOAD primaryExc0
 *     IFNULL c
 *     ALOAD r0
 *     INVOKEVIRTUAL close:()V
 *     GOTO e
 *     ASTORE t2
 *     ALOAD primaryExc0
 *     ALOAD t2
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     GOTO e
 *     c:
 *     ALOAD r0
 *     INVOKEVIRTUAL close:()V
 *     e:
 *     ALOAD t1
 *     ATHROW
 *
 *     ... // additional handlers for catch blocks and finally on exceptional path
 * </pre>
 */
@Test
public void javac_7_8() {
    final Range range0 = new Range();
    final Range range1 = new Range();
    final Range range2 = new Range();
    final Range range3 = new Range();

    final Label handler1 = new Label();
    m.visitTryCatchBlock(handler1, handler1, handler1, "java/lang/Throwable");
    final Label handler2 = new Label();
    m.visitTryCatchBlock(handler2, handler2, handler2, "java/lang/Throwable");

    // r1 = ...
    m.visitVarInsn(Opcodes.ASTORE, 1);

    // primaryExc1 = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 2);

    // r2 = ...
    m.visitVarInsn(Opcodes.ASTORE, 3);
    // primaryExc2 = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 4);

    // body
    m.visitInsn(Opcodes.NOP);

    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 5);

    final Label l15 = new Label();
    // if (r2 != null)
    m.visitVarInsn(Opcodes.ALOAD, 3);
    range0.fromInclusive = m.instructions.getLast();
    m.visitJumpInsn(Opcodes.IFNULL, l15);
    // if (primaryExc2 != null)
    m.visitVarInsn(Opcodes.ALOAD, 4);
    final Label l26 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l26);
    // r2.close
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Fun$Resource2", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, l15);

    m.visitVarInsn(Opcodes.ASTORE, 6);
    m.visitVarInsn(Opcodes.ALOAD, 4);
    m.visitVarInsn(Opcodes.ALOAD, 6);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitJumpInsn(Opcodes.GOTO, l15);

    m.visitLabel(l26);

    // r2.close
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Fun$Resource2", "close", "()V", false);
    range0.toInclusive = m.instructions.getLast();
    m.visitLabel(l15);

    // if (r1 != null)
    m.visitVarInsn(Opcodes.ALOAD, 1);
    range2.fromInclusive = m.instructions.getLast();
    final Label l23 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l23);
    // if (primaryExc1 != null)
    m.visitVarInsn(Opcodes.ALOAD, 2);
    final Label l27 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l27);
    // r1.close
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource1", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, l23);

    m.visitVarInsn(Opcodes.ASTORE, 6);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitVarInsn(Opcodes.ALOAD, 6);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitJumpInsn(Opcodes.GOTO, l23);

    m.visitLabel(l27);
    // r1.close
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource1", "close", "()V", false);
    range2.toInclusive = m.instructions.getLast();
    m.visitLabel(l23);

    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitInsn(Opcodes.ARETURN);

    // catch (Throwable t)
    m.visitLabel(handler1);
    range1.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 5);
    // primaryExc2 = t
    m.visitVarInsn(Opcodes.ALOAD, 5);
    m.visitVarInsn(Opcodes.ASTORE, 4);
    // throw t
    m.visitVarInsn(Opcodes.ALOAD, 5);
    m.visitInsn(Opcodes.ATHROW);

    // catch (any t)
    m.visitVarInsn(Opcodes.ASTORE, 7);
    // if (r2 != null)
    m.visitVarInsn(Opcodes.ALOAD, 3);
    final Label l28 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l28);
    // if (primaryExc2 != null)
    m.visitVarInsn(Opcodes.ALOAD, 4);
    final Label l29 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l29);
    // r2.close
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Fun$Resource2", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, l28);

    m.visitVarInsn(Opcodes.ASTORE, 8);
    m.visitVarInsn(Opcodes.ALOAD, 4);
    m.visitVarInsn(Opcodes.ALOAD, 8);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitJumpInsn(Opcodes.GOTO, l28);

    m.visitLabel(l29);
    // r2.close
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitMethodInsn(Opcodes.INVOKEINTERFACE, "Fun$Resource2", "close", "()V", false);
    m.visitLabel(l28);
    // throw t
    m.visitVarInsn(Opcodes.ALOAD, 7);
    m.visitInsn(Opcodes.ATHROW);
    range1.toInclusive = m.instructions.getLast();

    // catch (Throwable t)
    m.visitLabel(handler2);
    range3.fromInclusive = m.instructions.getLast();
    m.visitVarInsn(Opcodes.ASTORE, 3);
    // primaryExc2 = t
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitVarInsn(Opcodes.ASTORE, 2);
    // throw t
    m.visitVarInsn(Opcodes.ALOAD, 3);
    m.visitInsn(Opcodes.ATHROW);

    // catch (any t)
    m.visitVarInsn(Opcodes.ASTORE, 9);
    // if (r1 != null)
    m.visitVarInsn(Opcodes.ALOAD, 1);
    final Label l30 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l30);
    // if (primaryExc1 != null)
    m.visitVarInsn(Opcodes.ALOAD, 2);
    final Label l31 = new Label();
    m.visitJumpInsn(Opcodes.IFNULL, l31);
    // r1.close
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource1", "close", "()V", false);
    m.visitJumpInsn(Opcodes.GOTO, l30);

    m.visitVarInsn(Opcodes.ASTORE, 10);
    m.visitVarInsn(Opcodes.ALOAD, 2);
    m.visitVarInsn(Opcodes.ALOAD, 10);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed", "(Ljava/lang/Throwable;)V",
            false);
    m.visitJumpInsn(Opcodes.GOTO, l30);

    m.visitLabel(l31);
    // r1.close
    m.visitVarInsn(Opcodes.ALOAD, 1);
    m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Fun$Resource1", "close", "()V", false);
    m.visitLabel(l30);
    // throw t
    m.visitVarInsn(Opcodes.ALOAD, 9);
    m.visitInsn(Opcodes.ATHROW);
    range3.toInclusive = m.instructions.getLast();

    m.visitVarInsn(Opcodes.ASTORE, 11);
    // finally
    m.visitInsn(Opcodes.NOP);
    m.visitVarInsn(Opcodes.ALOAD, 11);
    m.visitInsn(Opcodes.ATHROW);

    filter.filter(m, context, output);

    assertIgnored(range0, range1, range2, range3);
}

---

From source file:org.jacoco.core.internal.analysis.filter.TryWithResourcesJavacFilterTest.java

License:Open Source License

/**
 * javac 9 for/*from   w w w .  j a  v a 2  s . c o  m*/
 *
 * <pre>
 *     try (r = new ...) {
 *         ...
 *     } finally {
 *         ...
 *     }
 * </pre>
 *
 * generates
 *
 * <pre>
 *     ...
 *     ASTORE r
 *     ACONST_NULL
 *     ASTORE primaryExc
 *
 *     ... // body
 *
 *     ALOAD primaryExc
 *     IFNULL c
 *     ALOAD r
 *     INVOKEVIRTUAL close:()V
 *     GOTO f
 *     ASTORE t
 *     ALOAD primaryExc
 *     ALOAD t
 *     NVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     GOTO f
 *     c:
 *     ALOAD r
 *     INVOKEVIRTUAL close:()V
 *     GOTO f
 *
 *     ASTORE t
 *     ALOAD t
 *     ASTORE primaryExc
 *     ALOAD t
 *     ATHROW
 *
 *     ASTORE t
 *     ALOAD primaryExc
 *     IFNULL c
 *     ALOAD r
 *     INVOKEVIRTUAL close:()V
 *     GOTO L78
 *     ASTORE t2
 *     ALOAD primaryExc
 *     ALOAD t2
 *     INVOKEVIRTUAL java/lang/Throwable.addSuppressed:(Ljava/lang/Throwable;)V
 *     goto e
 *     c:
 *     ALOAD r
 *     INVOKEVIRTUAL close:()V
 *     e:
 *     ALOAD t
 *     ATHROW
 *
 *     f:
 *     ... // finally on normal path
 *     ... // additional handlers for catch blocks and finally on exceptional path
 *     ...
 * </pre>
 */
@Test
public void javac9_omitted_null_check() {
    final Range range0 = new Range();
    final Range range1 = new Range();

    final Label handler = new Label();
    m.visitTryCatchBlock(handler, handler, handler, "java/lang/Throwable");

    // primaryExc = null
    m.visitInsn(Opcodes.ACONST_NULL);
    m.visitVarInsn(Opcodes.ASTORE, 1);

    // r = new ...
    m.visitInsn(Opcodes.NOP);

    final Label end = new Label();
    // "finally" on a normal path
    {
        // if (primaryExc != null)
        m.visitVarInsn(Opcodes.ALOAD, 2);
        range0.fromInclusive = m.instructions.getLast();
        final Label closeLabel = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, closeLabel);
        // r.close
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Resource", "close", "()V", false);
        m.visitJumpInsn(Opcodes.GOTO, end);

        // catch (Throwable t)
        m.visitVarInsn(Opcodes.ASTORE, 3);
        // primaryExc.addSuppressed(t)
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitJumpInsn(Opcodes.GOTO, end);

        m.visitLabel(closeLabel);
        // r.close()
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Resource", "close", "()V", false);
    }
    m.visitJumpInsn(Opcodes.GOTO, end);
    range0.toInclusive = m.instructions.getLast();
    // catch (Throwable t)
    m.visitLabel(handler);
    {
        range1.fromInclusive = m.instructions.getLast();
        m.visitVarInsn(Opcodes.ASTORE, 3);
        // primaryExc = t
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitVarInsn(Opcodes.ASTORE, 2);
        // throw t
        m.visitVarInsn(Opcodes.ALOAD, 3);
        m.visitInsn(Opcodes.ATHROW);
    }
    // catch (any t)
    m.visitVarInsn(Opcodes.ASTORE, 4);
    // "finally" on exceptional path
    {
        // if (primaryExc != null)
        m.visitVarInsn(Opcodes.ALOAD, 2);
        final Label closeLabel = new Label();
        m.visitJumpInsn(Opcodes.IFNULL, closeLabel);
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Resource", "close", "()V", false);
        final Label finallyEndLabel = new Label();
        m.visitJumpInsn(Opcodes.GOTO, finallyEndLabel);

        // catch (Throwable t)
        m.visitVarInsn(Opcodes.ASTORE, 5);
        // primaryExc.addSuppressed(t)
        m.visitVarInsn(Opcodes.ALOAD, 2);
        m.visitVarInsn(Opcodes.ALOAD, 5);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Throwable", "addSuppressed",
                "(Ljava/lang/Throwable;)V", false);
        m.visitJumpInsn(Opcodes.GOTO, finallyEndLabel);

        m.visitLabel(closeLabel);
        // r.close()
        m.visitVarInsn(Opcodes.ALOAD, 1);
        m.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "Resource", "close", "()V", false);
        m.visitLabel(finallyEndLabel);
    }
    // throw t
    m.visitVarInsn(Opcodes.ALOAD, 4);
    m.visitInsn(Opcodes.ATHROW);
    range1.toInclusive = m.instructions.getLast();

    m.visitLabel(end);

    filter.filter(m, context, output);

    assertIgnored(range0, range1);
}

---

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