From 4152eee126bcb6a0403d3e7a79fe336944031268 Mon Sep 17 00:00:00 2001
From: Reinier Zwitserloot <reinier@zwitserloot.com>
Date: Sun, 24 Mar 2013 19:14:10 +0100
Subject: Added a method to obtain latest java language spec supported by host
 platform and implemented it for javac BUT NOT FOR ECJ!

---
 src/utils/lombok/javac/CommentCatcher.java |  4 ++--
 src/utils/lombok/javac/Javac.java          | 20 +++++++++++++++++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

(limited to 'src/utils/lombok')

diff --git a/src/utils/lombok/javac/CommentCatcher.java b/src/utils/lombok/javac/CommentCatcher.java
index 474dc43d..2825cd30 100644
--- a/src/utils/lombok/javac/CommentCatcher.java
+++ b/src/utils/lombok/javac/CommentCatcher.java
@@ -62,7 +62,7 @@ public class CommentCatcher {
 	
 	private static void registerCommentsCollectingScannerFactory(Context context) {
 		try {
-			if (JavaCompiler.version().startsWith("1.6")) {
+			if (Javac.getJavaCompilerVersion() <= 6) {
 				Class.forName("lombok.javac.java6.CommentCollectingScannerFactory").getMethod("preRegister", Context.class).invoke(null, context);
 			} else {
 				Class.forName("lombok.javac.java7.CommentCollectingScannerFactory").getMethod("preRegister", Context.class).invoke(null, context);
@@ -76,7 +76,7 @@ public class CommentCatcher {
 	private static void setInCompiler(JavaCompiler compiler, Context context, Map<JCCompilationUnit, List<CommentInfo>> commentsMap) {
 		
 		try {
-			if (JavaCompiler.version().startsWith("1.6")) {
+			if (Javac.getJavaCompilerVersion() <= 6) {
 				Class<?> parserFactory = Class.forName("lombok.javac.java6.CommentCollectingParserFactory");
 				parserFactory.getMethod("setInCompiler",JavaCompiler.class, Context.class, Map.class).invoke(null, compiler, context, commentsMap);
 			} else {
diff --git a/src/utils/lombok/javac/Javac.java b/src/utils/lombok/javac/Javac.java
index 75bb2dbf..b4e58b8f 100644
--- a/src/utils/lombok/javac/Javac.java
+++ b/src/utils/lombok/javac/Javac.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009-2012 The Project Lombok Authors.
+ * Copyright (C) 2009-2013 The Project Lombok Authors.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -21,9 +21,11 @@
  */
 package lombok.javac;
 
+import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import com.sun.tools.javac.code.TypeTags;
+import com.sun.tools.javac.main.JavaCompiler;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.JCExpression;
 import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
@@ -42,6 +44,22 @@ public class Javac {
 	private static final Pattern PRIMITIVE_TYPE_NAME_PATTERN = Pattern.compile(
 			"^(boolean|byte|short|int|long|float|double|char)$");
 	
+	private static final Pattern VERSION_PARSER = Pattern.compile("^(\\d{1,6})\\.(\\d{1,6}).*$");
+	
+	/**
+	 * Returns the version of this java compiler, i.e. the JDK that it shipped in. For example, for javac v1.7, this returns {@code 7}.
+	 */
+	public static int getJavaCompilerVersion() {
+		Matcher m = VERSION_PARSER.matcher(JavaCompiler.version());
+		if (m.matches()) {
+			int major = Integer.parseInt(m.group(1));
+			int minor = Integer.parseInt(m.group(2));
+			if (major == 1) return minor;
+		}
+		
+		return 6;
+	}
+	
 	/**
 	 * Checks if the given expression (that really ought to refer to a type expression) represents a primitive type.
 	 */
-- 
cgit