[PATCH v2] event: add bb.event.ParseError

[<mingli.yu@eng.windriver.com>]

From: Mingli Yu <mingli.yu@windriver.com>

Add bb.event.ParseError to let error-report can catch this kind of error.

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
---
 lib/bb/cooker.py | 5 +++--
 lib/bb/event.py  | 8 ++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index 1797a1d4..c8ff3ce0 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -2223,7 +2223,7 @@ class CookerParser(object):
 
             self.results = itertools.chain(self.results, self.parse_generator())
 
-    def shutdown(self, clean=True):
+    def shutdown(self, clean=True, eventmsg="Parsing halted due to errors"):
         if not self.toparse:
             return
         if self.haveshutdown:
@@ -2238,6 +2238,7 @@ class CookerParser(object):
 
             bb.event.fire(event, self.cfgdata)
         else:
+            bb.event.fire(bb.event.ParseError(eventmsg), self.cfgdata)
             bb.error("Parsing halted due to errors, see error messages above")
 
         # Cleanup the queue before call process.join(), otherwise there might be
@@ -2355,7 +2356,7 @@ class CookerParser(object):
         except bb.parse.ParseError as exc:
             self.error += 1
             logger.error(str(exc))
-            self.shutdown(clean=False)
+            self.shutdown(clean=False, eventmsg=str(exc))
             return False
         except bb.data_smart.ExpansionError as exc:
             self.error += 1
diff --git a/lib/bb/event.py b/lib/bb/event.py
index 37cc630c..0d0e0a68 100644
--- a/lib/bb/event.py
+++ b/lib/bb/event.py
@@ -856,3 +856,11 @@ class FindSigInfoResult(Event):
     def __init__(self, result):
         Event.__init__(self)
         self.result = result
+
+class ParseError(Event):
+    """
+    Event to indicate parse failed
+    """
+    def __init__(self, msg):
+        super().__init__()
+        self._msg = msg
-- 
2.25.1