[anjuta] language-support-vala: fix critical warnings if there are parsing errors

[Johannes Schmid <jhs src gnome org>]

commit 15bde783bd236346af105375019aebc655526839
Author: Abderrahim Kitouni <a kitouni gmail com>
Date:   Fri Aug 6 10:55:27 2010 +0100

    language-support-vala: fix critical warnings if there are parsing errors

 plugins/language-support-vala/plugin.vala |   17 +++++++++++++----
 plugins/language-support-vala/report.vala |    3 +++
 2 files changed, 16 insertions(+), 4 deletions(-)
---
diff --git a/plugins/language-support-vala/plugin.vala b/plugins/language-support-vala/plugin.vala
index 0ba8b80..58e0355 100644
--- a/plugins/language-support-vala/plugin.vala
+++ b/plugins/language-support-vala/plugin.vala
@@ -75,17 +75,23 @@ public class ValaPlugin : Plugin {
 		ThreadFunc parse = () => {
 			lock (context) {
 				Vala.CodeContext.push(context);
+				var report = context.report as AnjutaReport;
 
 				parser = new Vala.Parser ();
 				genie_parser = new Vala.Genie.Parser ();
+				resolver = new Vala.SymbolResolver ();
+				analyzer = new Vala.SemanticAnalyzer ();
 
 				parser.parse (context);
 				genie_parser.parse (context);
+				if (report.errors_found ())
+					return null;
 
-				resolver = new Vala.SymbolResolver ();
 				resolver.resolve (context);
+				if (report.errors_found ())
+					/* TODO: there may be missing packages */
+					return null;
 
-				analyzer = new Vala.SemanticAnalyzer ();
 				analyzer.analyze (context);
 
 				Vala.CodeContext.pop();
@@ -298,8 +304,11 @@ public class ValaPlugin : Plugin {
 			parser.visit_source_file (file);
 			genie_parser.visit_source_file (file);
 
-			resolver.resolve (context);
-			analyzer.visit_source_file (file);
+			if (!report.errors_found ()) {
+				resolver.resolve (context);
+				if (!report.errors_found ())
+					analyzer.visit_source_file (file);
+			}
 
 			Vala.CodeContext.pop ();
 
diff --git a/plugins/language-support-vala/report.vala b/plugins/language-support-vala/report.vala
index f0d658e..b69de17 100644
--- a/plugins/language-support-vala/report.vala
+++ b/plugins/language-support-vala/report.vala
@@ -89,4 +89,7 @@ public class AnjutaReport : Vala.Report {
 			errors.add(Error () {source = source, message = message, error = true});
 		}
 	}
+	public bool errors_found () {
+		return (errors.size != 0);
+	}
 }