1 files changed, 68 insertions, 0 deletions
diff --git a/src/utils/lombok/javac/java7/CommentCollectingScannerFactory.java b/src/utils/lombok/javac/java7/CommentCollectingScannerFactory.java
new file mode 100644
index 00000000..c6cf4011
--- /dev/null
+++ b/src/utils/lombok/javac/java7/CommentCollectingScannerFactory.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2011 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.javac.java7;
+
+import java.nio.CharBuffer;
+
+import lombok.javac.Comments;
+
+import com.sun.tools.javac.parser.Scanner;
+import com.sun.tools.javac.parser.ScannerFactory;
+import com.sun.tools.javac.util.Context;
+
+public class CommentCollectingScannerFactory extends ScannerFactory {
+	private final Context context;
+	
+	public static void preRegister(final Context context) {
+		if (context.get(scannerFactoryKey) == null) {
+			context.put(scannerFactoryKey, new Context.Factory<ScannerFactory>() {
+				public ScannerFactory make() {
+					return new CommentCollectingScannerFactory(context);
+				}
+				
+				@Override public ScannerFactory make(Context c) {
+					return new CommentCollectingScannerFactory(c);
+				}
+			});
+		}
+	}
+	
+	/** Create a new scanner factory. */
+	protected CommentCollectingScannerFactory(Context context) {
+		super(context);
+		this.context = context;
+	}
+	
+	@Override
+	public Scanner newScanner(CharSequence input, boolean keepDocComments) {
+		if (input instanceof CharBuffer) {
+			return new CommentCollectingScanner(this, (CharBuffer)input, context.get(Comments.class));
+		}
+		char[] array = input.toString().toCharArray();
+		return newScanner(array, array.length, keepDocComments);
+	}
+	
+	@Override
+	public Scanner newScanner(char[] input, int inputLength, boolean keepDocComments) {
+		return new CommentCollectingScanner(this, input, inputLength, context.get(Comments.class));
+	}
+}