Examples with ClassInstrumenter org.jacoco.core.internal.instr.ClassInstrumenter used on opensource projects

Example 1 with ClassInstrumenter

use of org.jacoco.core.internal.instr.ClassInstrumenter in project jacoco by jacoco.

the class Instrumenter method instrument.

private byte[] instrument(final byte[] source) {
    final long classId = CRC64.classId(source);
    final int originalVersion = BytecodeVersion.get(source);
    final byte[] b = BytecodeVersion.downgradeIfNeeded(originalVersion, source);
    final ClassReader reader = new ClassReader(b);
    final ClassWriter writer = new ClassWriter(reader, 0) {

        @Override
        protected String getCommonSuperClass(final String type1, final String type2) {
            throw new IllegalStateException();
        }
    };
    final IProbeArrayStrategy strategy = ProbeArrayStrategyFactory.createFor(classId, reader, accessorGenerator);
    final ClassVisitor visitor = new ClassProbesAdapter(new ClassInstrumenter(strategy, writer), true);
    reader.accept(visitor, ClassReader.EXPAND_FRAMES);
    final byte[] instrumented = writer.toByteArray();
    BytecodeVersion.set(instrumented, originalVersion);
    return instrumented;
}