# HG changeset patch
# User jjg
# Date 1370380670 25200
# Node ID 604faee853506d2b4e49e6c8a6f606ddbf2cbed1
# Parent  f47ea7c9c3f4e4998d09a6485e9bec67601c9e67
8004643: Reduce javac space overhead introduced with compiler support for repeating annotations
Reviewed-by: mcimadamore, jfranck

diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/code/Lint.java
--- a/langtools/src/share/classes/com/sun/tools/javac/code/Lint.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/Lint.java	Tue Jun 04 14:17:50 2013 -0700
@@ -68,19 +68,11 @@
 
     /**
      * Returns the result of combining the values in this object with
-     * the given annotations.
+     * the metadata on the given symbol.
      */
-    public Lint augment(Annotations annots) {
-        return augmentor.augment(this, annots.getDeclarationAttributes());
-    }
-
-    /**
-     * Returns the result of combining the values in this object with
-     * the given annotations and flags.
-     */
-    public Lint augment(Annotations annots, long flags) {
-        Lint l = augmentor.augment(this, annots.getDeclarationAttributes());
-        if ((flags & DEPRECATED) != 0) {
+    public Lint augment(Symbol sym) {
+        Lint l = augmentor.augment(this, sym.getDeclarationAttributes());
+        if (sym.isDeprecated()) {
             if (l == this)
                 l = new Lint(this);
             l.values.remove(LintCategory.DEPRECATION);
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/code/Symbol.java
--- a/langtools/src/share/classes/com/sun/tools/javac/code/Symbol.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/Symbol.java	Tue Jun 04 14:17:50 2013 -0700
@@ -32,6 +32,7 @@
 import javax.tools.JavaFileObject;
 
 import com.sun.tools.javac.code.Type.*;
+import com.sun.tools.javac.comp.Annotate;
 import com.sun.tools.javac.comp.Attr;
 import com.sun.tools.javac.comp.AttrContext;
 import com.sun.tools.javac.comp.Env;
@@ -74,35 +75,6 @@
      */
     public long flags() { return flags_field; }
 
-    /** The attributes of this symbol are contained in this
-     * Annotations. The Annotations instance is NOT immutable.
-     */
-    public final Annotations annotations = new Annotations(this);
-
-    /** An accessor method for the attributes of this symbol.
-     *  Attributes of class symbols should be accessed through the accessor
-     *  method to make sure that the class symbol is loaded.
-     */
-    public List<Attribute.Compound> getRawAttributes() {
-        return annotations.getDeclarationAttributes();
-    }
-
-    /** An accessor method for the type attributes of this symbol.
-     *  Attributes of class symbols should be accessed through the accessor
-     *  method to make sure that the class symbol is loaded.
-     */
-    public List<Attribute.TypeCompound> getRawTypeAttributes() {
-        return annotations.getTypeAttributes();
-    }
-
-    /** Fetch a particular annotation from a symbol. */
-    public Attribute.Compound attribute(Symbol anno) {
-        for (Attribute.Compound a : getRawAttributes()) {
-            if (a.type.tsym == anno) return a;
-        }
-        return null;
-    }
-
     /** The name of this symbol in Utf8 representation.
      */
     public Name name;
@@ -123,6 +95,146 @@
      */
     public Type erasure_field;
 
+    // <editor-fold defaultstate="collapsed" desc="annotations">
+
+    /** The attributes of this symbol are contained in this
+     * Annotations. The Annotations instance is NOT immutable.
+     */
+    protected Annotations annotations;
+
+    /** An accessor method for the attributes of this symbol.
+     *  Attributes of class symbols should be accessed through the accessor
+     *  method to make sure that the class symbol is loaded.
+     */
+    public List<Attribute.Compound> getRawAttributes() {
+        return (annotations == null)
+                ? List.<Attribute.Compound>nil()
+                : annotations.getDeclarationAttributes();
+    }
+
+    /** An accessor method for the type attributes of this symbol.
+     *  Attributes of class symbols should be accessed through the accessor
+     *  method to make sure that the class symbol is loaded.
+     */
+    public List<Attribute.TypeCompound> getRawTypeAttributes() {
+        return (annotations == null)
+                ? List.<Attribute.TypeCompound>nil()
+                : annotations.getTypeAttributes();
+    }
+
+    /** Fetch a particular annotation from a symbol. */
+    public Attribute.Compound attribute(Symbol anno) {
+        for (Attribute.Compound a : getRawAttributes()) {
+            if (a.type.tsym == anno) return a;
+        }
+        return null;
+    }
+
+    public boolean annotationsPendingCompletion() {
+        return annotations == null ? false : annotations.pendingCompletion();
+    }
+
+    public void appendAttributes(List<Attribute.Compound> l) {
+        if (l.nonEmpty()) {
+            initedAnnos().append(l);
+        }
+    }
+
+    public void appendClassInitTypeAttributes(List<Attribute.TypeCompound> l) {
+        if (l.nonEmpty()) {
+            initedAnnos().appendClassInitTypeAttributes(l);
+        }
+    }
+
+    public void appendInitTypeAttributes(List<Attribute.TypeCompound> l) {
+        if (l.nonEmpty()) {
+            initedAnnos().appendInitTypeAttributes(l);
+        }
+    }
+
+    public void appendTypeAttributesWithCompletion(final Annotate.AnnotateRepeatedContext<Attribute.TypeCompound> ctx) {
+        initedAnnos().appendTypeAttributesWithCompletion(ctx);
+    }
+
+    public void appendUniqueTypeAttributes(List<Attribute.TypeCompound> l) {
+        if (l.nonEmpty()) {
+            initedAnnos().appendUniqueTypes(l);
+        }
+    }
+
+    public List<Attribute.TypeCompound> getClassInitTypeAttributes() {
+        return (annotations == null)
+                ? List.<Attribute.TypeCompound>nil()
+                : annotations.getClassInitTypeAttributes();
+    }
+
+    public List<Attribute.TypeCompound> getInitTypeAttributes() {
+        return (annotations == null)
+                ? List.<Attribute.TypeCompound>nil()
+                : annotations.getInitTypeAttributes();
+    }
+
+    public List<Attribute.Compound> getDeclarationAttributes() {
+        return (annotations == null)
+                ? List.<Attribute.Compound>nil()
+                : annotations.getDeclarationAttributes();
+    }
+
+    public boolean hasAnnotations() {
+        return (annotations != null && !annotations.isEmpty());
+    }
+
+    public boolean hasTypeAnnotations() {
+        return (annotations != null && !annotations.isTypesEmpty());
+    }
+
+    public void prependAttributes(List<Attribute.Compound> l) {
+        if (l.nonEmpty()) {
+            initedAnnos().prepend(l);
+        }
+    }
+
+    public void resetAnnotations() {
+        initedAnnos().reset();
+    }
+
+    public void setAttributes(Symbol other) {
+        if (annotations != null || other.annotations != null) {
+            initedAnnos().setAttributes(other.annotations);
+        }
+    }
+
+    public void setDeclarationAttributes(List<Attribute.Compound> a) {
+        if (annotations != null || a.nonEmpty()) {
+            initedAnnos().setDeclarationAttributes(a);
+        }
+    }
+
+    public void setDeclarationAttributesWithCompletion(final Annotate.AnnotateRepeatedContext<Attribute.Compound> ctx) {
+        initedAnnos().setDeclarationAttributesWithCompletion(ctx);
+    }
+
+    public void setTypeAttributes(List<Attribute.TypeCompound> a) {
+        if (annotations != null || a.nonEmpty()) {
+            if (annotations == null)
+                annotations = new Annotations(this);
+            annotations.setTypeAttributes(a);
+        }
+    }
+
+    private Annotations initedAnnos() {
+        if (annotations == null)
+            annotations = new Annotations(this);
+        return annotations;
+    }
+
+    /** This method is intended for debugging only. */
+    public Annotations getAnnotations() {
+        return annotations;
+    }
+
+    // </editor-fold>
+
     /** Construct a symbol with given kind, flags, name, type and owner.
      */
     public Symbol(int kind, long flags, Name name, Type type, Symbol owner) {
@@ -207,6 +319,10 @@
         }
     }
 
+    public boolean isDeprecated() {
+        return (flags_field & DEPRECATED) != 0;
+    }
+
     public boolean isStatic() {
         return
             (flags() & STATIC) != 0 ||
@@ -726,8 +842,9 @@
         }
 
         private void mergeAttributes() {
-            if (annotations.isEmpty() &&
-                !package_info.annotations.isEmpty()) {
+            if (annotations == null &&
+                package_info.annotations != null) {
+                annotations = new Annotations(this);
                 annotations.setAttributes(package_info.annotations);
             }
         }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/code/TypeAnnotations.java
--- a/langtools/src/share/classes/com/sun/tools/javac/code/TypeAnnotations.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/TypeAnnotations.java	Tue Jun 04 14:17:50 2013 -0700
@@ -271,8 +271,8 @@
                 }
             }
 
-            sym.annotations.reset();
-            sym.annotations.setDeclarationAttributes(declAnnos.toList());
+            sym.resetAnnotations();
+            sym.setDeclarationAttributes(declAnnos.toList());
 
             if (typeAnnos.isEmpty()) {
                 return;
@@ -284,7 +284,7 @@
                 // When type is null, put the type annotations to the symbol.
                 // This is used for constructor return annotations, for which
                 // no appropriate type exists.
-                sym.annotations.appendUniqueTypes(typeAnnotations);
+                sym.appendUniqueTypeAttributes(typeAnnotations);
                 return;
             }
 
@@ -318,7 +318,7 @@
                 sym.type = type;
             }
 
-            sym.annotations.appendUniqueTypes(typeAnnotations);
+            sym.appendUniqueTypeAttributes(typeAnnotations);
 
             if (sym.getKind() == ElementKind.PARAMETER ||
                     sym.getKind() == ElementKind.LOCAL_VARIABLE ||
@@ -326,7 +326,7 @@
                     sym.getKind() == ElementKind.EXCEPTION_PARAMETER) {
                 // Make sure all type annotations from the symbol are also
                 // on the owner.
-                sym.owner.annotations.appendUniqueTypes(sym.getRawTypeAttributes());
+                sym.owner.appendUniqueTypeAttributes(sym.getRawTypeAttributes());
             }
         }
 
@@ -855,7 +855,7 @@
                             Assert.error("Found unexpected type annotation for variable: " + v + " with kind: " + v.getKind());
                     }
                     if (v.getKind() != ElementKind.FIELD) {
-                        v.owner.annotations.appendUniqueTypes(v.getRawTypeAttributes());
+                        v.owner.appendUniqueTypeAttributes(v.getRawTypeAttributes());
                     }
                     return;
 
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/Attr.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/Attr.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/Attr.java	Tue Jun 04 14:17:50 2013 -0700
@@ -757,11 +757,10 @@
         // env.info.enclVar.attributes_field might not yet have been evaluated, and so might be
         // null. In that case, calling augment will throw an NPE. To avoid this, for now we
         // revert to the jdk 6 behavior and ignore the (unevaluated) attributes.
-        if (env.info.enclVar.annotations.pendingCompletion()) {
+        if (env.info.enclVar.annotationsPendingCompletion()) {
             env.info.lint = lintEnv.info.lint;
         } else {
-            env.info.lint = lintEnv.info.lint.augment(env.info.enclVar.annotations,
-                                                      env.info.enclVar.flags());
+            env.info.lint = lintEnv.info.lint.augment(env.info.enclVar);
         }
 
         Lint prevLint = chk.setLint(env.info.lint);
@@ -881,7 +880,7 @@
         MethodSymbol m = tree.sym;
         boolean isDefaultMethod = (m.flags() & DEFAULT) != 0;
 
-        Lint lint = env.info.lint.augment(m.annotations, m.flags());
+        Lint lint = env.info.lint.augment(m);
         Lint prevLint = chk.setLint(lint);
         MethodSymbol prevMethod = chk.setMethod(m);
         try {
@@ -1052,7 +1051,7 @@
         }
 
         VarSymbol v = tree.sym;
-        Lint lint = env.info.lint.augment(v.annotations, v.flags());
+        Lint lint = env.info.lint.augment(v);
         Lint prevLint = chk.setLint(lint);
 
         // Check that the variable's declared type is well-formed.
@@ -1121,9 +1120,9 @@
                 ClassSymbol cs = (ClassSymbol)env.info.scope.owner;
                 List<Attribute.TypeCompound> tas = localEnv.info.scope.owner.getRawTypeAttributes();
                 if ((tree.flags & STATIC) != 0) {
-                    cs.annotations.appendClassInitTypeAttributes(tas);
+                    cs.appendClassInitTypeAttributes(tas);
                 } else {
-                    cs.annotations.appendInitTypeAttributes(tas);
+                    cs.appendInitTypeAttributes(tas);
                 }
             }
 
@@ -4118,7 +4117,7 @@
                 lintEnv = lintEnv.next;
 
             // Having found the enclosing lint value, we can initialize the lint value for this class
-            env.info.lint = lintEnv.info.lint.augment(c.annotations, c.flags());
+            env.info.lint = lintEnv.info.lint.augment(c);
 
             Lint prevLint = chk.setLint(env.info.lint);
             JavaFileObject prev = log.useSource(c.sourcefile);
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/Enter.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/Enter.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/Enter.java	Tue Jun 04 14:17:50 2013 -0700
@@ -161,7 +161,7 @@
         Env<AttrContext> lintEnv = localEnv;
         while (lintEnv.info.lint == null)
             lintEnv = lintEnv.next;
-        localEnv.info.lint = lintEnv.info.lint.augment(sym.annotations, sym.flags());
+        localEnv.info.lint = lintEnv.info.lint.augment(sym);
         return localEnv;
     }
 
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/Flow.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/Flow.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/Flow.java	Tue Jun 04 14:17:50 2013 -0700
@@ -434,7 +434,7 @@
             Lint lintPrev = lint;
 
             pendingExits = new ListBuffer<PendingExit>();
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             try {
                 // process all the static initializers
@@ -470,7 +470,7 @@
             if (tree.body == null) return;
             Lint lintPrev = lint;
 
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             Assert.check(pendingExits.isEmpty());
 
@@ -496,7 +496,7 @@
         public void visitVarDef(JCVariableDecl tree) {
             if (tree.init != null) {
                 Lint lintPrev = lint;
-                lint = lint.augment(tree.sym.annotations);
+                lint = lint.augment(tree.sym);
                 try{
                     scan(tree.init);
                 } finally {
@@ -836,7 +836,7 @@
             }
             classDef = tree;
             thrown = List.nil();
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             try {
                 // process all the static initializers
@@ -916,7 +916,7 @@
             List<Type> mthrown = tree.sym.type.getThrownTypes();
             Lint lintPrev = lint;
 
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             Assert.check(pendingExits.isEmpty());
 
@@ -955,7 +955,7 @@
         public void visitVarDef(JCVariableDecl tree) {
             if (tree.init != null) {
                 Lint lintPrev = lint;
-                lint = lint.augment(tree.sym.annotations);
+                lint = lint.augment(tree.sym);
                 try{
                     scan(tree.init);
                 } finally {
@@ -1580,7 +1580,7 @@
                 firstadr = nextadr;
             }
             classDef = tree;
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             try {
                 // define all the static fields
@@ -1648,7 +1648,7 @@
             int returnadrPrev = returnadr;
             Lint lintPrev = lint;
 
-            lint = lint.augment(tree.sym.annotations);
+            lint = lint.augment(tree.sym);
 
             Assert.check(pendingExits.isEmpty());
 
@@ -1700,7 +1700,7 @@
             if (track && tree.sym.owner.kind == MTH) newVar(tree.sym);
             if (tree.init != null) {
                 Lint lintPrev = lint;
-                lint = lint.augment(tree.sym.annotations);
+                lint = lint.augment(tree.sym);
                 try{
                     scanExpr(tree.init);
                     if (track) letInit(tree.pos(), tree.sym);
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/LambdaToMethod.java	Tue Jun 04 14:17:50 2013 -0700
@@ -249,8 +249,8 @@
                 }
             }
             if (lambdaTypeAnnos.nonEmpty()) {
-                owner.annotations.setTypeAttributes(ownerTypeAnnos.toList());
-                sym.annotations.setTypeAttributes(lambdaTypeAnnos.toList());
+                owner.setTypeAttributes(ownerTypeAnnos.toList());
+                sym.setTypeAttributes(lambdaTypeAnnos.toList());
             }
         }
 
@@ -389,15 +389,15 @@
             if (lambdaContext.getSymbolMap(PARAM).containsKey(tree.sym)) {
                 Symbol translatedSym = lambdaContext.getSymbolMap(PARAM).get(tree.sym);
                 result = make.Ident(translatedSym).setType(tree.type);
-                translatedSym.annotations.setTypeAttributes(tree.sym.getRawTypeAttributes());
+                translatedSym.setTypeAttributes(tree.sym.getRawTypeAttributes());
             } else if (lambdaContext.getSymbolMap(LOCAL_VAR).containsKey(tree.sym)) {
                 Symbol translatedSym = lambdaContext.getSymbolMap(LOCAL_VAR).get(tree.sym);
                 result = make.Ident(translatedSym).setType(tree.type);
-                translatedSym.annotations.setTypeAttributes(tree.sym.getRawTypeAttributes());
+                translatedSym.setTypeAttributes(tree.sym.getRawTypeAttributes());
             } else if (lambdaContext.getSymbolMap(TYPE_VAR).containsKey(tree.sym)) {
                 Symbol translatedSym = lambdaContext.getSymbolMap(TYPE_VAR).get(tree.sym);
                 result = make.Ident(translatedSym).setType(translatedSym.type);
-                translatedSym.annotations.setTypeAttributes(tree.sym.getRawTypeAttributes());
+                translatedSym.setTypeAttributes(tree.sym.getRawTypeAttributes());
             } else if (lambdaContext.getSymbolMap(CAPTURED_VAR).containsKey(tree.sym)) {
                 Symbol translatedSym = lambdaContext.getSymbolMap(CAPTURED_VAR).get(tree.sym);
                 result = make.Ident(translatedSym).setType(tree.type);
@@ -1715,8 +1715,8 @@
                         ret = makeSyntheticVar(FINAL, name, types.erasure(sym.type), translatedSym);
                 }
                 if (ret != sym) {
-                    ret.annotations.setDeclarationAttributes(sym.getRawAttributes());
-                    ret.annotations.setTypeAttributes(sym.getRawTypeAttributes());
+                    ret.setDeclarationAttributes(sym.getRawAttributes());
+                    ret.setTypeAttributes(sym.getRawTypeAttributes());
                 }
                 return ret;
             }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/Lower.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/Lower.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/Lower.java	Tue Jun 04 14:17:50 2013 -0700
@@ -2360,7 +2360,7 @@
                                 null, List.<JCExpression>nil(), List.<JCTree>nil());
             ClassSymbol c = tree.packge.package_info;
             c.flags_field |= flags;
-            c.annotations.setAttributes(tree.packge.annotations);
+            c.setAttributes(tree.packge);
             ClassType ctype = (ClassType) c.type;
             ctype.supertype_field = syms.objectType;
             ctype.interfaces_field = List.nil();
@@ -2378,7 +2378,7 @@
                 return tree.packageAnnotations.nonEmpty();
             case NONEMPTY:
                 for (Attribute.Compound a :
-                         tree.packge.annotations.getDeclarationAttributes()) {
+                         tree.packge.getDeclarationAttributes()) {
                     Attribute.RetentionPolicy p = types.getRetention(a);
                     if (p != Attribute.RetentionPolicy.SOURCE)
                         return true;
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java	Tue Jun 04 14:17:50 2013 -0700
@@ -712,7 +712,7 @@
 
     public Env<AttrContext> getMethodEnv(JCMethodDecl tree, Env<AttrContext> env) {
         Env<AttrContext> mEnv = methodEnv(tree, env);
-        mEnv.info.lint = mEnv.info.lint.augment(tree.sym.annotations, tree.sym.flags());
+        mEnv.info.lint = mEnv.info.lint.augment(tree.sym);
         for (List<JCTypeParameter> l = tree.typarams; l.nonEmpty(); l = l.tail)
             mEnv.info.scope.enterIfAbsent(l.head.type.tsym);
         for (List<JCVariableDecl> l = tree.params; l.nonEmpty(); l = l.tail)
@@ -753,7 +753,7 @@
             return;
         }
         if (s.kind != PCK) {
-            s.annotations.reset(); // mark Annotations as incomplete for now
+            s.resetAnnotations(); // mark Annotations as incomplete for now
         }
         annotate.normal(new Annotate.Annotator() {
                 @Override
@@ -763,10 +763,10 @@
 
                 @Override
                 public void enterAnnotation() {
-                    Assert.check(s.kind == PCK || s.annotations.pendingCompletion());
+                    Assert.check(s.kind == PCK || s.annotationsPendingCompletion());
                     JavaFileObject prev = log.useSource(localEnv.toplevel.sourcefile);
                     try {
-                        if (!s.annotations.isEmpty() &&
+                        if (s.hasAnnotations() &&
                             annotations.nonEmpty())
                             log.error(annotations.head.pos,
                                       "already.annotated",
@@ -832,7 +832,7 @@
             }
         }
 
-        s.annotations.setDeclarationAttributesWithCompletion(
+        s.setDeclarationAttributesWithCompletion(
                 annotate.new AnnotateRepeatedContext<Attribute.Compound>(env, annotated, pos, log, false));
     }
 
@@ -1107,7 +1107,7 @@
         }
 
         if (s != null) {
-            s.annotations.appendTypeAttributesWithCompletion(
+            s.appendTypeAttributesWithCompletion(
                     annotate.new AnnotateRepeatedContext<Attribute.TypeCompound>(env, annotated, pos, log, true));
         }
     }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/comp/TransTypes.java
--- a/langtools/src/share/classes/com/sun/tools/javac/comp/TransTypes.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/comp/TransTypes.java	Tue Jun 04 14:17:50 2013 -0700
@@ -262,9 +262,7 @@
          * be applied to method addOverrideBridgesIfNeeded
          */
         bridge.params = createBridgeParams(impl, bridge, bridgeType);
-        if (impl.annotations != null) {
-            bridge.annotations.setAttributes(impl.annotations);
-        }
+        bridge.setAttributes(impl);
 
         if (!hypothetical) {
             JCMethodDecl md = make.MethodDef(bridge, null);
@@ -311,9 +309,7 @@
             while (implParams.nonEmpty() && argTypes.nonEmpty()) {
                 VarSymbol param = new VarSymbol(implParams.head.flags() | SYNTHETIC,
                         implParams.head.name, argTypes.head, bridge);
-                if (implParams.head.annotations != null) {
-                    param.annotations.setAttributes(implParams.head.annotations);
-                }
+                param.setAttributes(implParams.head);
                 bridgeParams = bridgeParams.append(param);
                 implParams = implParams.tail;
                 argTypes = argTypes.tail;
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java
--- a/langtools/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/jvm/ClassReader.java	Tue Jun 04 14:17:50 2013 -0700
@@ -1896,12 +1896,11 @@
             JavaFileObject previousClassFile = currentClassFile;
             try {
                 currentClassFile = classFile;
-                Annotations annotations = sym.annotations;
                 List<Attribute.Compound> newList = deproxyCompoundList(l);
-                if (annotations.pendingCompletion()) {
-                    annotations.setDeclarationAttributes(newList);
+                if (sym.annotationsPendingCompletion()) {
+                    sym.setDeclarationAttributes(newList);
                 } else {
-                    annotations.append(newList);
+                    sym.appendAttributes(newList);
                 }
             } finally {
                 currentClassFile = previousClassFile;
@@ -1935,7 +1934,7 @@
             try {
                 currentClassFile = classFile;
                 List<Attribute.TypeCompound> newList = deproxyTypeCompoundList(proxies);
-                sym.annotations.setTypeAttributes(newList.prependList(sym.getRawTypeAttributes()));
+                sym.setTypeAttributes(newList.prependList(sym.getRawTypeAttributes()));
             } finally {
                 currentClassFile = previousClassFile;
             }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/jvm/Code.java
--- a/langtools/src/share/classes/com/sun/tools/javac/jvm/Code.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/jvm/Code.java	Tue Jun 04 14:17:50 2013 -0700
@@ -1960,8 +1960,7 @@
     }
 
     private void fillLocalVarPosition(LocalVar lv) {
-        if (lv == null || lv.sym == null
-                || lv.sym.annotations.isTypesEmpty())
+        if (lv == null || lv.sym == null || !lv.sym.hasTypeAnnotations())
             return;
         for (Attribute.TypeCompound ta : lv.sym.getRawTypeAttributes()) {
             TypeAnnotationPosition p = ta.position;
@@ -1979,7 +1978,7 @@
         for (int i = 0; i < varBufferSize; ++i) {
             LocalVar lv = varBuffer[i];
             if (lv == null || lv.sym == null
-                    || lv.sym.annotations.isTypesEmpty()
+                    || !lv.sym.hasTypeAnnotations()
                     || !lv.sym.isExceptionParameter())
                 continue;
 
@@ -2028,7 +2027,7 @@
         // 2) it is an exception type and it contains type annotations
         if (!varDebugInfo &&
                 (!var.sym.isExceptionParameter() ||
-                var.sym.annotations.isTypesEmpty())) return;
+                var.sym.hasTypeAnnotations())) return;
         if ((var.sym.flags() & Flags.SYNTHETIC) != 0) return;
         if (varBuffer == null)
             varBuffer = new LocalVar[20];
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/jvm/Gen.java
--- a/langtools/src/share/classes/com/sun/tools/javac/jvm/Gen.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/jvm/Gen.java	Tue Jun 04 14:17:50 2013 -0700
@@ -518,7 +518,7 @@
         // Insert any instance initializers into all constructors.
         if (initCode.length() != 0) {
             List<JCStatement> inits = initCode.toList();
-            initTAs.addAll(c.annotations.getInitTypeAttributes());
+            initTAs.addAll(c.getInitTypeAttributes());
             List<Attribute.TypeCompound> initTAlist = initTAs.toList();
             for (JCTree t : methodDefs) {
                 normalizeMethod((JCMethodDecl)t, inits, initTAlist);
@@ -541,9 +541,9 @@
             methodDefs.append(make.MethodDef(clinit, block));
 
             if (!clinitTAs.isEmpty())
-                clinit.annotations.appendUniqueTypes(clinitTAs.toList());
-            if (!c.annotations.getClassInitTypeAttributes().isEmpty())
-                clinit.annotations.appendUniqueTypes(c.annotations.getClassInitTypeAttributes());
+                clinit.appendUniqueTypeAttributes(clinitTAs.toList());
+            if (!c.getClassInitTypeAttributes().isEmpty())
+                clinit.appendUniqueTypeAttributes(c.getClassInitTypeAttributes());
         }
         // Return all method definitions.
         return methodDefs.toList();
@@ -560,7 +560,7 @@
                 nonfieldTAs.add(ta);
             }
         }
-        sym.annotations.setTypeAttributes(fieldTAs.toList());
+        sym.setTypeAttributes(fieldTAs.toList());
         return nonfieldTAs.toList();
     }
 
@@ -618,7 +618,7 @@
             if (md.body.endpos == Position.NOPOS)
                 md.body.endpos = TreeInfo.endPos(md.body.stats.last());
 
-            md.sym.annotations.appendUniqueTypes(initTAs);
+            md.sym.appendUniqueTypeAttributes(initTAs);
         }
     }
 
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/jvm/JNIWriter.java
--- a/langtools/src/share/classes/com/sun/tools/javac/jvm/JNIWriter.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/jvm/JNIWriter.java	Tue Jun 04 14:17:50 2013 -0700
@@ -160,7 +160,7 @@
         for (Scope.Entry i = c.members_field.elems; i != null; i = i.sibling) {
             if (i.sym.kind == Kinds.MTH && (i.sym.flags() & Flags.NATIVE) != 0)
                 return true;
-            for (Attribute.Compound a: i.sym.annotations.getDeclarationAttributes()) {
+            for (Attribute.Compound a: i.sym.getDeclarationAttributes()) {
                 if (a.type.tsym == syms.nativeHeaderType.tsym)
                     return true;
             }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/sym/CreateSymbols.java
--- a/langtools/src/share/classes/com/sun/tools/javac/sym/CreateSymbols.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/sym/CreateSymbols.java	Tue Jun 04 14:17:50 2013 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -225,11 +225,11 @@
             }
             ClassSymbol cs = (ClassSymbol) sym;
             if (addLegacyAnnotation) {
-                cs.annotations.prepend(List.of(proprietaryAnno));
+                cs.prependAttributes(List.of(proprietaryAnno));
             }
             int p = profiles.getProfile(cs.fullname.toString().replace(".", "/"));
             if (0 < p && p < profileAnnos.length)
-                cs.annotations.prepend(List.of(profileAnnos[p]));
+                cs.prependAttributes(List.of(profileAnnos[p]));
             writeClass(pool, cs, writer);
         }
 
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/src/share/classes/com/sun/tools/javac/tree/TreeInfo.java
--- a/langtools/src/share/classes/com/sun/tools/javac/tree/TreeInfo.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/src/share/classes/com/sun/tools/javac/tree/TreeInfo.java	Tue Jun 04 14:17:50 2013 -0700
@@ -1131,6 +1131,14 @@
 
     private static class TypeAnnotationFinder extends TreeScanner {
         public boolean foundTypeAnno = false;
+
+        @Override
+        public void scan(JCTree tree) {
+            if (foundTypeAnno || tree == null)
+                return;
+            super.scan(tree);
+        }
+
         public void visitAnnotation(JCAnnotation tree) {
             foundTypeAnno = foundTypeAnno || tree.hasTag(TYPE_ANNOTATION);
         }
diff -r f47ea7c9c3f4 -r 604faee85350 langtools/test/tools/javac/lib/DPrinter.java
--- a/langtools/test/tools/javac/lib/DPrinter.java	Tue Jun 04 13:21:41 2013 +0100
+++ b/langtools/test/tools/javac/lib/DPrinter.java	Tue Jun 04 14:17:50 2013 -0700
@@ -403,7 +403,7 @@
                 printType("type", sym.type, Details.SUMMARY);
                 printType("erasure", sym.erasure_field, Details.SUMMARY);
                 sym.accept(symVisitor, null);
-                printAnnotations("annotations", sym.annotations, Details.SUMMARY);
+                printAnnotations("annotations", sym.getAnnotations(), Details.SUMMARY);
                 indent(-1);
             }
         }