io.joern.joerncli.DefaultOverlays.scala Maven / Gradle / Ivy
package io.joern.joerncli
import io.joern.dataflowengineoss.layers.dataflows.{OssDataFlow, OssDataFlowOptions}
import io.joern.x2cpg.X2Cpg.applyDefaultOverlays
import io.shiftleft.codepropertygraph.generated.Cpg
import io.shiftleft.semanticcpg.layers.*
object DefaultOverlays {
val DEFAULT_CPG_IN_FILE = "cpg.bin"
val defaultMaxNumberOfDefinitions = 4000
/** Load the CPG at `storeFilename` and add enhancements, turning the CPG into an SCPG.
*
* @param storeFilename
* the filename of the cpg
*/
def create(storeFilename: String, maxNumberOfDefinitions: Int = defaultMaxNumberOfDefinitions): Cpg = {
val cpg = CpgBasedTool.loadFromFile(storeFilename)
applyDefaultOverlays(cpg)
val context = new LayerCreatorContext(cpg)
val options = new OssDataFlowOptions(maxNumberOfDefinitions)
new OssDataFlow(options).run(context)
cpg
}
}