aboutsummaryrefslogtreecommitdiff
path: root/src/utils/lombok/javac/Javac.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/utils/lombok/javac/Javac.java')
-rw-r--r--src/utils/lombok/javac/Javac.java20
1 files changed, 19 insertions, 1 deletions
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.
*/