Example usage for org.objectweb.asm.commons CodeSizeEvaluator CodeSizeEvaluator

Introduction

In this page you can find the example usage for org.objectweb.asm.commons CodeSizeEvaluator CodeSizeEvaluator.

Prototype

public CodeSizeEvaluator(final MethodVisitor methodVisitor) 

Source Link

Usage

From source file:br.usp.each.saeg.badua.core.internal.instr.MethodInstrumenter.java

License:Open Source License

@Override
public void visitEnd() {
    if (next == null)
        return;// w w w  . ja  v  a 2 s.c  om

    final MethodNode original = new MethodNode(api, access, name, desc, signature, exceptions);
    final CodeSizeEvaluator sizeEval = new CodeSizeEvaluator(null);

    // 1. create a copy of the unmodified MethodNode
    accept(original);
    // 2. transform
    transform();
    // 3. evaluate new size
    accept(sizeEval);

    // size is fine (lower than 65535 bytes)
    if (sizeEval.getMaxSize() < 0xFFFF)
        accept(next);

    // size overflow
    else {
        sizeOverflow();
        original.accept(next);
    }
}

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From source file:com.github.malamut2.low.VerifyingClassAdapter.java

License:Apache License

/**
 * {@inheritDoc}/*from   ww  w . j  a  va  2  s. c o m*/
 * 
 * In addition, the returned {@link org.objectweb.asm.MethodVisitor}
 * will throw an exception if the method is greater than 64K in length.
 */
@Override
public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature,
        final String[] exceptions) {
    MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
    return new CodeSizeEvaluator(mv) {
        @Override
        public void visitEnd() {
            super.visitEnd();
            if (getMaxSize() > 64 * 1024) {
                state = State.FAIL_TOO_LONG;
                message = "the method " + name + " was too long.";
            }
        }
    };
}

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From source file:com.google.monitoring.runtime.instrumentation.adapters.VerifyingClassAdapter.java

License:Apache License

/**
 * {@inheritDoc}//from  w  w w . java  2  s . c  o m
 * <p>
 * In addition, the returned {@link org.objectweb.asm.MethodVisitor}
 * will throw an exception if the method is greater than 64K in length.
 */
@Override
public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature,
        final String[] exceptions) {
    final MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
    return new CodeSizeEvaluator(mv) {
        @Override
        public void visitEnd() {
            super.visitEnd();
            if (getMaxSize() > 64 * 1024) {
                state = State.FAIL_TOO_LONG;
                message = "the method " + name + " was too long.";
            }
        }
    };
}

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From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java

License:Open Source License

/**
 * Clears this block./* w  ww  .j  a v a2  s.  c o  m*/
 */
void clear() {
    readers.clear();
    writers.clear();
    parameters.clear();
    insns.clear();
    varMap.clear();
    pushParameters.clear();
    sizeEvaluator = new CodeSizeEvaluator(null);
}

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From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.MethodSplitter.java

License:Open Source License

private int getLength(final MethodNode methodNode) {
    final CodeSizeEvaluator codeSizeEvaluator = new CodeSizeEvaluator(null);
    methodNode.accept(codeSizeEvaluator);
    return codeSizeEvaluator.getMaxSize();
}

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