From 663b1538e02f8bc022d9ee44acba57b01fe74227 Mon Sep 17 00:00:00 2001
From: Markus Schorn <markus.schorn@windriver.com>
Date: Tue, 27 Nov 2007 15:36:17 +0000
Subject: [PATCH] Performance improvement for indexer.

---
 .../eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java  | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java
index 0a98eebfd1b..33af9916ce5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMMacro.java
@@ -144,7 +144,10 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation {
 			super(name, null);
 		}
 		public char[] getExpansion() {
-			return getMacroExpansion();
+			if (expansion == null) {
+				expansion= getMacroExpansion();
+			}
+			return expansion;
 		}
 		public IASTFileLocation getFileLocation() {
 			return PDOMMacro.this;
@@ -168,7 +171,10 @@ public class PDOMMacro implements IIndexMacro, IASTFileLocation {
 			super(name, null, arglist);
 		}
 		public char[] getExpansion() {
-			return getMacroExpansion();
+			if (expansion == null) {
+				expansion= getMacroExpansion();
+			}
+			return expansion;
 		}
 		public IASTFileLocation getFileLocation() {
 			return PDOMMacro.this;