Carry over location information from parser to annotation processor

This CL changes LayoutParser to use Antlr which provides us the location
information. This information is now serialized inside the bundle so
that we can read it in the annotation processor, enabling better error
logs with location information.

Bug:21953001
Change-Id: If9b5cf2f87598a609ddf77235decc17098a46a6b

1 files changed, 5 insertions, 1 deletions

diff --git a/gradlePlugin/src/main/java/android/databinding/tool/DataBinderPlugin.java b/gradlePlugin/src/main/java/android/databinding/tool/DataBinderPlugin.java
index c400b985..b235b995 100644
--- a/gradlePlugin/src/main/java/android/databinding/tool/DataBinderPlugin.java
+++ b/gradlePlugin/src/main/java/android/databinding/tool/DataBinderPlugin.java
@@ -36,6 +36,7 @@ import com.android.builder.model.ApiVersion;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.exception.ExceptionUtils;
 import org.gradle.api.Action;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
@@ -284,7 +285,10 @@ public class DataBinderPlugin implements Plugin<Project> {
                                 try {
                                     task.writeLayoutXmls();
                                 } catch (JAXBException e) {
-                                    logE(e, "cannot write layout xmls");
+                                    // gradle sometimes fails to resolve JAXBException.
+                                    // We get stack trace manually to ensure we have the log
+                                    logE(e, "cannot write layout xmls %s",
+                                            ExceptionUtils.getStackTrace(e));
                                 }
                             }
                         });