From 2917a8c5e15d79aebfb461fa7db8d54665afd0ae Mon Sep 17 00:00:00 2001
From: Rawi01 <Rawi01@users.noreply.github.com>
Date: Fri, 19 Jun 2020 17:32:26 +0200
Subject: Cache absolute file location

---
 src/core/lombok/javac/JavacAST.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/core/lombok/javac')

diff --git a/src/core/lombok/javac/JavacAST.java b/src/core/lombok/javac/JavacAST.java
index bb5cfc61..86ff7646 100644
--- a/src/core/lombok/javac/JavacAST.java
+++ b/src/core/lombok/javac/JavacAST.java
@@ -79,6 +79,8 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 	private final Log log;
 	private final ErrorLog errorLogger;
 	private final Context context;
+	private static final URI NOT_CALCULATED_MARKER = URI.create("https://projectlombok.org/not/calculated");
+	private URI memoizedAbsoluteFileLocation = NOT_CALCULATED_MARKER;
 	
 	/**
 	 * Creates a new JavacAST of the provided Compilation Unit.
@@ -102,7 +104,10 @@ public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
 	}
 	
 	@Override public URI getAbsoluteFileLocation() {
-		return getAbsoluteFileLocation((JCCompilationUnit) top().get());
+		if (memoizedAbsoluteFileLocation == NOT_CALCULATED_MARKER) {
+			memoizedAbsoluteFileLocation = getAbsoluteFileLocation((JCCompilationUnit) top().get());
+		}
+		return memoizedAbsoluteFileLocation;
 	}
 	
 	public static URI getAbsoluteFileLocation(JCCompilationUnit cu) {
-- 
cgit