From 487ef8032abd9c40293faa73ea28b788b06737eb Mon Sep 17 00:00:00 2001
From: Alain Magloire <alain@qnx.com>
Date: Mon, 7 Apr 2003 16:52:40 +0000
Subject: [PATCH] Sanity check for the start and length ranges.

---
 .../src/org/eclipse/cdt/internal/ui/editor/CEditor.java   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
index c071dcd8fdb..5033f396148 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/CEditor.java
@@ -591,7 +591,13 @@ public class CEditor extends TextEditor implements ISelectionChangedListener {
 				IRegion alternateRegion = null;
 				int start= element.getStartPos();
 				int length= element.getLength();
-                               
+
+				// Sanity check sometimes the parser may throw wrong numbers.
+				if (start < 0 || length < 0) {
+					start = 0;                              
+					length = 0;
+				}
+
 				// 0 length and start and non-zero start line says we know
 				// the line for some reason, but not the offset.
 				if (length == 0 && start == 0 && element.getStartLine() != 0) {