diff --git a/java/com/google/turbine/binder/Binder.java b/java/com/google/turbine/binder/Binder.java
index d2ce948c..d5f1ed7a 100644
--- a/java/com/google/turbine/binder/Binder.java
+++ b/java/com/google/turbine/binder/Binder.java
@@ -91,6 +91,19 @@ public final class Binder {
       ClassPath bootclasspath,
       Optional<String> moduleVersion) {
     TurbineLog log = new TurbineLog();
+    BindingResult br = bind(log, units, classpath, processorInfo, bootclasspath, moduleVersion);
+    log.maybeThrow();
+    return br;
+  }
+
+  /** Binds symbols and types to the given compilation units. */
+  public static @Nullable BindingResult bind(
+      TurbineLog log,
+      ImmutableList<CompUnit> units,
+      ClassPath classpath,
+      ProcessorInfo processorInfo,
+      ClassPath bootclasspath,
+      Optional<String> moduleVersion) {
     BindingResult br;
     try {
       br =
@@ -114,7 +127,6 @@ public final class Binder {
               .addAll(turbineError.diagnostics())
               .build());
     }
-    log.maybeThrow();
     return br;
   }