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 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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package com.oracle.truffle.llvm.runtime.instruments.trace;

import com.oracle.truffle.api.TruffleLanguage;
import com.oracle.truffle.api.instrumentation.Instrumenter;
import com.oracle.truffle.api.instrumentation.SourceSectionFilter;
import com.oracle.truffle.api.instrumentation.StandardTags;
import com.oracle.truffle.llvm.runtime.options.TargetStream;

public final class LLVMTracerInstrument {

    private final TargetStream targetStream;

    public LLVMTracerInstrument(TruffleLanguage.Env env, String optionString) {
        final SourceSectionFilter.Builder builder = SourceSectionFilter.newBuilder();
        builder.mimeTypeIs("text/x-llvmir");
        builder.tagIs(StandardTags.StatementTag.class, StandardTags.RootTag.class);
        final SourceSectionFilter filter = builder.build();

        final Instrumenter instrumenter = env.lookup(Instrumenter.class);
        if (instrumenter == null) {
            throw new IllegalStateException("Could not find Instrumenter");
        }
        targetStream = new TargetStream(env, optionString);
        instrumenter.attachExecutionEventFactory(filter, new LLVMTraceNodeFactory(targetStream));
    }

    public void dispose() {
        targetStream.dispose();
    }
}