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abstract class CpgPass extends AnyRef

Base class for CPG pass - a program, which receives an input graph and outputs a sequence of additive diff graphs. These diff graphs can be merged into the original graph ("applied"), they can be serialized into a binary format, and finally, they can be added to an existing cpg.bin.zip file.

A pass is provided by inheriting from this class and implementing run, a method, which creates the sequence of diff graphs from an input graph.

Overview of steps and their meaning:

1. Create: A sequence of diff graphs is created from the source graph 2. Apply: Each diff graph can be applied to the source graph 3. Serialize: After applying a diff graph, the diff graph can be serialized into a CPG overlay 4. Store: The CPG overlay can be stored in a serialized CPG.

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Instance Constructors

  1. new CpgPass(cpg: Cpg)

    cpg

    the source CPG this pass traverses

Abstract Value Members

  1. abstract def run(): Iterator[DiffGraph]

    Main method of enhancement - to be implemented by child class

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  6. def createAndApply(): Unit

    Execute the enhancement and apply result to the underlying graph

  7. def createApplyAndSerialize(): Iterator[CpgOverlay]

    Execute and create a serialized overlay

  8. def createApplySerializeAndStore(serializedCpg: SerializedCpg, counter: Int = 0): Unit

    Run a CPG pass to create diff graphs, apply diff graphs, create corresponding overlays and add them to the serialized CPG.

    Run a CPG pass to create diff graphs, apply diff graphs, create corresponding overlays and add them to the serialized CPG. The name of the overlay is derived from the class name of the pass.

    serializedCpg

    the destination serialized CPG to add overlays to

    counter

    an optional integer to keep apart different runs of the same pass

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  15. def name: String

    Name of the enhancement pass.

    Name of the enhancement pass. By default it is inferred from the name of the class, override if needed.

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