Fixed issue 284 now also for java7, introduced more stubbing

4 files changed, 95 insertions, 7 deletions

diff --git a/src/utils/lombok/javac/java6/CommentCollectingParser.java b/src/utils/lombok/javac/java6/CommentCollectingParser.java
index bc33bf71..0915bbb8 100644
--- a/src/utils/lombok/javac/java6/CommentCollectingParser.java
+++ b/src/utils/lombok/javac/java6/CommentCollectingParser.java
@@ -6,6 +6,7 @@ import lombok.javac.Comment;
 
 import com.sun.tools.javac.parser.EndPosParser;
 import com.sun.tools.javac.parser.Lexer;
+import com.sun.tools.javac.parser.Parser;
 import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
 import com.sun.tools.javac.util.List;
 
@@ -13,12 +14,11 @@ class CommentCollectingParser extends EndPosParser {
 	
 	private final Map<JCCompilationUnit, List<Comment>> commentsMap;
 	private final Lexer lexer;
-
-	protected CommentCollectingParser(Factory fac, Lexer S, boolean keepDocComments, Map<JCCompilationUnit, List<Comment>> commentsMap) {
+	
+	protected CommentCollectingParser(Parser.Factory fac, Lexer S, boolean keepDocComments, Map<JCCompilationUnit, List<Comment>> commentsMap) {
 		super(fac, S, keepDocComments);
 		lexer = S;
 		this.commentsMap = commentsMap;
-		
 	}
 	
 	@Override public JCCompilationUnit compilationUnit() {
diff --git a/src/utils/lombok/javac/java6/CommentCollectingParserFactory.java b/src/utils/lombok/javac/java6/CommentCollectingParserFactory.java
index ef8b22c4..074f956e 100644
--- a/src/utils/lombok/javac/java6/CommentCollectingParserFactory.java
+++ b/src/utils/lombok/javac/java6/CommentCollectingParserFactory.java
@@ -13,9 +13,8 @@ import com.sun.tools.javac.util.Context;
 import com.sun.tools.javac.util.List;
 
 public class CommentCollectingParserFactory extends Parser.Factory {
-	
 	private final Map<JCCompilationUnit, List<Comment>> commentsMap;
-
+	
 	static Context.Key<Parser.Factory> key() {
 		return parserFactoryKey;
 	}
@@ -26,7 +25,11 @@ public class CommentCollectingParserFactory extends Parser.Factory {
 	}
 	
 	@Override public Parser newParser(Lexer S, boolean keepDocComments, boolean genEndPos) {
-		return new CommentCollectingParser(this, S, keepDocComments, commentsMap);
+		Object x = new CommentCollectingParser(this, S, keepDocComments, commentsMap);
+		return (Parser) x;
+		// CCP is based on a stub which extends nothing, but at runtime the stub is replaced with either
+		//javac6's EndPosParser which extends Parser, or javac7's EndPosParser which implements Parser.
+		//Either way this will work out.
 	}
 	
 	public static void setInCompiler(JavaCompiler compiler, Context context, Map<JCCompilationUnit, List<Comment>> commentsMap) {
@@ -38,6 +41,6 @@ public class CommentCollectingParserFactory extends Parser.Factory {
 			field.set(compiler, new CommentCollectingParserFactory(context, commentsMap));
 		} catch (Exception e) {
 			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);
-		} 
+		}
 	}
 }
\ No newline at end of file
diff --git a/src/utils/lombok/javac/java7/CommentCollectingParser.java b/src/utils/lombok/javac/java7/CommentCollectingParser.java
new file mode 100644
index 00000000..7c3cdc71
--- /dev/null
+++ b/src/utils/lombok/javac/java7/CommentCollectingParser.java
@@ -0,0 +1,33 @@
+package lombok.javac.java7;
+
+import java.util.Map;
+
+import lombok.javac.Comment;
+
+import com.sun.tools.javac.parser.EndPosParser;
+import com.sun.tools.javac.parser.Lexer;
+import com.sun.tools.javac.parser.ParserFactory;
+import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
+import com.sun.tools.javac.util.List;
+
+class CommentCollectingParser extends EndPosParser {
+	
+	private final Map<JCCompilationUnit, List<Comment>> commentsMap;
+	private final Lexer lexer;
+	
+	protected CommentCollectingParser(ParserFactory fac, Lexer S,
+			boolean keepDocComments, boolean keepLineMap, Map<JCCompilationUnit, List<Comment>> commentsMap) {
+		super(fac, S, keepDocComments, keepLineMap);
+		lexer = S;
+		this.commentsMap = commentsMap;
+	}
+	
+	public JCCompilationUnit parseCompilationUnit() {
+		JCCompilationUnit result = super.parseCompilationUnit();
+		if (lexer instanceof CommentCollectingScanner) {
+			List<Comment> comments = ((CommentCollectingScanner)lexer).getComments();
+			commentsMap.put(result, comments);
+		}
+		return result;
+	}
+}
\ No newline at end of file
diff --git a/src/utils/lombok/javac/java7/CommentCollectingParserFactory.java b/src/utils/lombok/javac/java7/CommentCollectingParserFactory.java
new file mode 100644
index 00000000..8b93376a
--- /dev/null
+++ b/src/utils/lombok/javac/java7/CommentCollectingParserFactory.java
@@ -0,0 +1,52 @@
+package lombok.javac.java7;
+
+import java.lang.reflect.Field;
+import java.util.Map;
+
+import lombok.javac.Comment;
+
+import com.sun.tools.javac.main.JavaCompiler;
+import com.sun.tools.javac.parser.Lexer;
+import com.sun.tools.javac.parser.Parser;
+import com.sun.tools.javac.parser.ParserFactory;
+import com.sun.tools.javac.parser.ScannerFactory;
+import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
+import com.sun.tools.javac.util.Context;
+import com.sun.tools.javac.util.List;
+
+public class CommentCollectingParserFactory extends ParserFactory {
+	private final Map<JCCompilationUnit, List<Comment>> commentsMap;
+	private final Context context;
+	
+	static Context.Key<ParserFactory> key() {
+		return parserFactoryKey;
+	}
+	
+	protected CommentCollectingParserFactory(Context context, Map<JCCompilationUnit, List<Comment>> commentsMap) {
+		super(context);
+		this.context = context;
+		this.commentsMap = commentsMap;
+	}
+	
+	public Parser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
+		ScannerFactory scannerFactory = ScannerFactory.instance(context);
+		Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
+		Object x = new CommentCollectingParser(this, lexer, keepDocComments, keepLineMap, commentsMap);
+		return (Parser) x;
+		// CCP is based on a stub which extends nothing, but at runtime the stub is replaced with either
+		//javac6's EndPosParser which extends Parser, or javac7's EndPosParser which implements Parser.
+		//Either way this will work out.
+	}
+	
+	public static void setInCompiler(JavaCompiler compiler, Context context, Map<JCCompilationUnit, List<Comment>> commentsMap) {
+		context.put(CommentCollectingParserFactory.key(), (ParserFactory)null);
+		Field field;
+		try {
+			field = JavaCompiler.class.getDeclaredField("parserFactory");
+			field.setAccessible(true);
+			field.set(compiler, new CommentCollectingParserFactory(context, commentsMap));
+		} catch (Exception e) {
+			throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e);
+		}
+	}
+}
\ No newline at end of file