Merge pull request #1002 from gkossakowski/deps-by-treewalking

Extract dependencies by tree walking

interface/src/main/java/xsbti/AnalysisCallback.java

@@ -27,4 +27,16 @@ public interface AnalysisCallback
 	/** Provides problems discovered during compilation.  These may be reported (logged) or unreported.
 	* Unreported problems are usually unreported because reporting was not enabled via a command line switch. */
 	public void problem(String what, Position pos, String msg, Severity severity, boolean reported);
+	/**
+	 * Determines whether member reference and inheritance dependencies should be extracted in given compiler
+	 * run.
+	 *
+	 * As the signature suggests, this method's implementation is meant to be side-effect free. It's added
+	 * to AnalysisCallback because it indicates how other callback calls should be interpreted by both
+	 * implementation of AnalysisCallback and it's clients.
+	 *
+	 * NOTE: This method is an implementation detail and can be removed at any point without deprecation.
+	 *       Do not depend on it, please.
+	 */
+	public boolean memberRefAndInheritanceDeps();
 }

interface/src/test/scala/xsbti/TestCallback.scala

@@ -4,7 +4,7 @@ import java.io.File
 import scala.collection.mutable.ArrayBuffer
 import xsbti.api.SourceAPI
 
-class TestCallback extends AnalysisCallback
+class TestCallback(override val memberRefAndInheritanceDeps: Boolean = false) extends AnalysisCallback
 {
 	val sourceDependencies = new ArrayBuffer[(File, File, Boolean)]
 	val binaryDependencies = new ArrayBuffer[(File, String, File, Boolean)]