Make the print function output debug messages

RELNOTES: The `print` function now prints debug messages instead of warnings.
PiperOrigin-RevId: 164880003

2 files changed, 31 insertions, 9 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/events/Event.java b/src/main/java/com/google/devtools/build/lib/events/Event.java
index e5fb781b22..e0bf233b65 100644
--- a/src/main/java/com/google/devtools/build/lib/events/Event.java
+++ b/src/main/java/com/google/devtools/build/lib/events/Event.java
@@ -156,17 +156,17 @@ public final class Event implements Serializable {
   }
 
   /**
-   * Reports a warning.
+   * Reports an error.
    */
-  public static Event warn(@Nullable Location location, String message) {
-    return new Event(EventKind.WARNING, location, message, null);
+  public static Event error(@Nullable Location location, String message){
+    return new Event(EventKind.ERROR, location, message, null);
   }
 
   /**
-   * Reports an error.
+   * Reports a warning.
    */
-  public static Event error(@Nullable Location location, String message){
-    return new Event(EventKind.ERROR, location, message, null);
+  public static Event warn(@Nullable Location location, String message) {
+    return new Event(EventKind.WARNING, location, message, null);
   }
 
   /**
@@ -184,10 +184,10 @@ public final class Event implements Serializable {
   }
 
   /**
-   * Reports a warning.
+   * Reports a debug message.
    */
-  public static Event warn(String message) {
-    return warn(null, message);
+  public static Event debug(@Nullable Location location, String message) {
+    return new Event(EventKind.DEBUG, location, message, null);
   }
 
   /**
@@ -198,6 +198,13 @@ public final class Event implements Serializable {
   }
 
   /**
+   * Reports a warning.
+   */
+  public static Event warn(String message) {
+    return warn(null, message);
+  }
+
+  /**
    * Reports atemporal statements about the build, i.e. they're true for the duration of execution.
    */
   public static Event info(String message) {
@@ -211,4 +218,10 @@ public final class Event implements Serializable {
     return progress(null, message);
   }
 
+  /**
+   * Reports a debug message.
+   */
+  public static Event debug(String message) {
+    return debug(null, message);
+  }
 }
diff --git a/src/main/java/com/google/devtools/build/lib/events/EventKind.java b/src/main/java/com/google/devtools/build/lib/events/EventKind.java
index 0146fda747..087de602d6 100644
--- a/src/main/java/com/google/devtools/build/lib/events/EventKind.java
+++ b/src/main/java/com/google/devtools/build/lib/events/EventKind.java
@@ -52,6 +52,11 @@ public enum EventKind {
   PROGRESS,
 
   /**
+   * For debug messages
+   */
+  DEBUG,
+
+  /**
    * For progress messages (temporal information) relating to the start
    * and end of particular tasks.
    * (e.g. "Loading package foo", "Compiling bar", etc.)
@@ -102,6 +107,7 @@ public enum EventKind {
   public static final Set<EventKind> ERRORS_AND_WARNINGS = EnumSet.of(
       EventKind.ERROR,
       EventKind.WARNING,
+      EventKind.DEBUG,
       EventKind.FAIL,
       EventKind.TIMEOUT
       );
@@ -109,6 +115,7 @@ public enum EventKind {
   public static final Set<EventKind> ERRORS_WARNINGS_AND_INFO = EnumSet.of(
       EventKind.ERROR,
       EventKind.WARNING,
+      EventKind.DEBUG,
       EventKind.PASS,
       EventKind.FAIL,
       EventKind.TIMEOUT,
@@ -126,6 +133,7 @@ public enum EventKind {
   public static final Set<EventKind> ERRORS_AND_WARNINGS_AND_OUTPUT = EnumSet.of(
       EventKind.ERROR,
       EventKind.WARNING,
+      EventKind.DEBUG,
       EventKind.FAIL,
       EventKind.TIMEOUT,
       EventKind.STDOUT,
@@ -135,6 +143,7 @@ public enum EventKind {
   public static final Set<EventKind> ERRORS_WARNINGS_AND_INFO_AND_OUTPUT = EnumSet.of(
       EventKind.ERROR,
       EventKind.WARNING,
+      EventKind.DEBUG,
       EventKind.PASS,
       EventKind.FAIL,
       EventKind.TIMEOUT,