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src/java.base/share/classes/jdk/internal/org/objectweb/asm/FieldWriter.java

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rev 47452 : imported patch jdk-new-asmv6.patch


 130     // ------------------------------------------------------------------------
 131 
 132     /**
 133      * Constructs a new {@link FieldWriter}.
 134      *
 135      * @param cw
 136      *            the class writer to which this field must be added.
 137      * @param access
 138      *            the field's access flags (see {@link Opcodes}).
 139      * @param name
 140      *            the field's name.
 141      * @param desc
 142      *            the field's descriptor (see {@link Type}).
 143      * @param signature
 144      *            the field's signature. May be <tt>null</tt>.
 145      * @param value
 146      *            the field's constant value. May be <tt>null</tt>.
 147      */
 148     FieldWriter(final ClassWriter cw, final int access, final String name,
 149             final String desc, final String signature, final Object value) {
 150         super(Opcodes.ASM5);
 151         if (cw.firstField == null) {
 152             cw.firstField = this;
 153         } else {
 154             cw.lastField.fv = this;
 155         }
 156         cw.lastField = this;
 157         this.cw = cw;
 158         this.access = access;
 159         this.name = cw.newUTF8(name);
 160         this.desc = cw.newUTF8(desc);
 161         if (ClassReader.SIGNATURES && signature != null) {
 162             this.signature = cw.newUTF8(signature);
 163         }
 164         if (value != null) {
 165             this.value = cw.newConstItem(value).index;
 166         }
 167     }
 168 
 169     // ------------------------------------------------------------------------
 170     // Implementation of the FieldVisitor abstract class
 171     // ------------------------------------------------------------------------
 172 
 173     @Override
 174     public AnnotationVisitor visitAnnotation(final String desc,
 175             final boolean visible) {
 176         if (!ClassReader.ANNOTATIONS) {
 177             return null;
 178         }
 179         ByteVector bv = new ByteVector();
 180         // write type, and reserve space for values count
 181         bv.putShort(cw.newUTF8(desc)).putShort(0);
 182         AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv, 2);
 183         if (visible) {
 184             aw.next = anns;
 185             anns = aw;
 186         } else {
 187             aw.next = ianns;
 188             ianns = aw;
 189         }
 190         return aw;
 191     }
 192 
 193     @Override
 194     public AnnotationVisitor visitTypeAnnotation(final int typeRef,
 195             final TypePath typePath, final String desc, final boolean visible) {
 196         if (!ClassReader.ANNOTATIONS) {
 197             return null;
 198         }
 199         ByteVector bv = new ByteVector();
 200         // write target_type and target_info
 201         AnnotationWriter.putTarget(typeRef, typePath, bv);
 202         // write type, and reserve space for values count
 203         bv.putShort(cw.newUTF8(desc)).putShort(0);
 204         AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv,
 205                 bv.length - 2);
 206         if (visible) {
 207             aw.next = tanns;
 208             tanns = aw;
 209         } else {
 210             aw.next = itanns;
 211             itanns = aw;
 212         }
 213         return aw;
 214     }
 215 
 216     @Override
 217     public void visitAttribute(final Attribute attr) {
 218         attr.next = attrs;


 232      *
 233      * @return the size of this field.
 234      */
 235     int getSize() {
 236         int size = 8;
 237         if (value != 0) {
 238             cw.newUTF8("ConstantValue");
 239             size += 8;
 240         }
 241         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 242             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 243                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 244                 cw.newUTF8("Synthetic");
 245                 size += 6;
 246             }
 247         }
 248         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 249             cw.newUTF8("Deprecated");
 250             size += 6;
 251         }
 252         if (ClassReader.SIGNATURES && signature != 0) {
 253             cw.newUTF8("Signature");
 254             size += 8;
 255         }
 256         if (ClassReader.ANNOTATIONS && anns != null) {
 257             cw.newUTF8("RuntimeVisibleAnnotations");
 258             size += 8 + anns.getSize();
 259         }
 260         if (ClassReader.ANNOTATIONS && ianns != null) {
 261             cw.newUTF8("RuntimeInvisibleAnnotations");
 262             size += 8 + ianns.getSize();
 263         }
 264         if (ClassReader.ANNOTATIONS && tanns != null) {
 265             cw.newUTF8("RuntimeVisibleTypeAnnotations");
 266             size += 8 + tanns.getSize();
 267         }
 268         if (ClassReader.ANNOTATIONS && itanns != null) {
 269             cw.newUTF8("RuntimeInvisibleTypeAnnotations");
 270             size += 8 + itanns.getSize();
 271         }
 272         if (attrs != null) {
 273             size += attrs.getSize(cw, null, 0, -1, -1);
 274         }
 275         return size;
 276     }
 277 
 278     /**
 279      * Puts the content of this field into the given byte vector.
 280      *
 281      * @param out
 282      *            where the content of this field must be put.
 283      */
 284     void put(final ByteVector out) {
 285         final int FACTOR = ClassWriter.TO_ACC_SYNTHETIC;
 286         int mask = Opcodes.ACC_DEPRECATED | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE
 287                 | ((access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) / FACTOR);
 288         out.putShort(access & ~mask).putShort(name).putShort(desc);
 289         int attributeCount = 0;
 290         if (value != 0) {
 291             ++attributeCount;
 292         }
 293         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 294             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 295                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 296                 ++attributeCount;
 297             }
 298         }
 299         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 300             ++attributeCount;
 301         }
 302         if (ClassReader.SIGNATURES && signature != 0) {
 303             ++attributeCount;
 304         }
 305         if (ClassReader.ANNOTATIONS && anns != null) {
 306             ++attributeCount;
 307         }
 308         if (ClassReader.ANNOTATIONS && ianns != null) {
 309             ++attributeCount;
 310         }
 311         if (ClassReader.ANNOTATIONS && tanns != null) {
 312             ++attributeCount;
 313         }
 314         if (ClassReader.ANNOTATIONS && itanns != null) {
 315             ++attributeCount;
 316         }
 317         if (attrs != null) {
 318             attributeCount += attrs.getCount();
 319         }
 320         out.putShort(attributeCount);
 321         if (value != 0) {
 322             out.putShort(cw.newUTF8("ConstantValue"));
 323             out.putInt(2).putShort(value);
 324         }
 325         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 326             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 327                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 328                 out.putShort(cw.newUTF8("Synthetic")).putInt(0);
 329             }
 330         }
 331         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 332             out.putShort(cw.newUTF8("Deprecated")).putInt(0);
 333         }
 334         if (ClassReader.SIGNATURES && signature != 0) {
 335             out.putShort(cw.newUTF8("Signature"));
 336             out.putInt(2).putShort(signature);
 337         }
 338         if (ClassReader.ANNOTATIONS && anns != null) {
 339             out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
 340             anns.put(out);
 341         }
 342         if (ClassReader.ANNOTATIONS && ianns != null) {
 343             out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
 344             ianns.put(out);
 345         }
 346         if (ClassReader.ANNOTATIONS && tanns != null) {
 347             out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
 348             tanns.put(out);
 349         }
 350         if (ClassReader.ANNOTATIONS && itanns != null) {
 351             out.putShort(cw.newUTF8("RuntimeInvisibleTypeAnnotations"));
 352             itanns.put(out);
 353         }
 354         if (attrs != null) {
 355             attrs.put(cw, null, 0, -1, -1, out);
 356         }
 357     }
 358 }


 130     // ------------------------------------------------------------------------
 131 
 132     /**
 133      * Constructs a new {@link FieldWriter}.
 134      *
 135      * @param cw
 136      *            the class writer to which this field must be added.
 137      * @param access
 138      *            the field's access flags (see {@link Opcodes}).
 139      * @param name
 140      *            the field's name.
 141      * @param desc
 142      *            the field's descriptor (see {@link Type}).
 143      * @param signature
 144      *            the field's signature. May be <tt>null</tt>.
 145      * @param value
 146      *            the field's constant value. May be <tt>null</tt>.
 147      */
 148     FieldWriter(final ClassWriter cw, final int access, final String name,
 149             final String desc, final String signature, final Object value) {
 150         super(Opcodes.ASM6);
 151         if (cw.firstField == null) {
 152             cw.firstField = this;
 153         } else {
 154             cw.lastField.fv = this;
 155         }
 156         cw.lastField = this;
 157         this.cw = cw;
 158         this.access = access;
 159         this.name = cw.newUTF8(name);
 160         this.desc = cw.newUTF8(desc);
 161         if (signature != null) {
 162             this.signature = cw.newUTF8(signature);
 163         }
 164         if (value != null) {
 165             this.value = cw.newConstItem(value).index;
 166         }
 167     }
 168 
 169     // ------------------------------------------------------------------------
 170     // Implementation of the FieldVisitor abstract class
 171     // ------------------------------------------------------------------------
 172 
 173     @Override
 174     public AnnotationVisitor visitAnnotation(final String desc,
 175             final boolean visible) {



 176         ByteVector bv = new ByteVector();
 177         // write type, and reserve space for values count
 178         bv.putShort(cw.newUTF8(desc)).putShort(0);
 179         AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv, 2);
 180         if (visible) {
 181             aw.next = anns;
 182             anns = aw;
 183         } else {
 184             aw.next = ianns;
 185             ianns = aw;
 186         }
 187         return aw;
 188     }
 189 
 190     @Override
 191     public AnnotationVisitor visitTypeAnnotation(final int typeRef,
 192             final TypePath typePath, final String desc, final boolean visible) {



 193         ByteVector bv = new ByteVector();
 194         // write target_type and target_info
 195         AnnotationWriter.putTarget(typeRef, typePath, bv);
 196         // write type, and reserve space for values count
 197         bv.putShort(cw.newUTF8(desc)).putShort(0);
 198         AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv,
 199                 bv.length - 2);
 200         if (visible) {
 201             aw.next = tanns;
 202             tanns = aw;
 203         } else {
 204             aw.next = itanns;
 205             itanns = aw;
 206         }
 207         return aw;
 208     }
 209 
 210     @Override
 211     public void visitAttribute(final Attribute attr) {
 212         attr.next = attrs;


 226      *
 227      * @return the size of this field.
 228      */
 229     int getSize() {
 230         int size = 8;
 231         if (value != 0) {
 232             cw.newUTF8("ConstantValue");
 233             size += 8;
 234         }
 235         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 236             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 237                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 238                 cw.newUTF8("Synthetic");
 239                 size += 6;
 240             }
 241         }
 242         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 243             cw.newUTF8("Deprecated");
 244             size += 6;
 245         }
 246         if (signature != 0) {
 247             cw.newUTF8("Signature");
 248             size += 8;
 249         }
 250         if (anns != null) {
 251             cw.newUTF8("RuntimeVisibleAnnotations");
 252             size += 8 + anns.getSize();
 253         }
 254         if (ianns != null) {
 255             cw.newUTF8("RuntimeInvisibleAnnotations");
 256             size += 8 + ianns.getSize();
 257         }
 258         if (tanns != null) {
 259             cw.newUTF8("RuntimeVisibleTypeAnnotations");
 260             size += 8 + tanns.getSize();
 261         }
 262         if (itanns != null) {
 263             cw.newUTF8("RuntimeInvisibleTypeAnnotations");
 264             size += 8 + itanns.getSize();
 265         }
 266         if (attrs != null) {
 267             size += attrs.getSize(cw, null, 0, -1, -1);
 268         }
 269         return size;
 270     }
 271 
 272     /**
 273      * Puts the content of this field into the given byte vector.
 274      *
 275      * @param out
 276      *            where the content of this field must be put.
 277      */
 278     void put(final ByteVector out) {
 279         final int FACTOR = ClassWriter.TO_ACC_SYNTHETIC;
 280         int mask = Opcodes.ACC_DEPRECATED | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE
 281                 | ((access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) / FACTOR);
 282         out.putShort(access & ~mask).putShort(name).putShort(desc);
 283         int attributeCount = 0;
 284         if (value != 0) {
 285             ++attributeCount;
 286         }
 287         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 288             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 289                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 290                 ++attributeCount;
 291             }
 292         }
 293         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 294             ++attributeCount;
 295         }
 296         if (signature != 0) {
 297             ++attributeCount;
 298         }
 299         if (anns != null) {
 300             ++attributeCount;
 301         }
 302         if (ianns != null) {
 303             ++attributeCount;
 304         }
 305         if (tanns != null) {
 306             ++attributeCount;
 307         }
 308         if (itanns != null) {
 309             ++attributeCount;
 310         }
 311         if (attrs != null) {
 312             attributeCount += attrs.getCount();
 313         }
 314         out.putShort(attributeCount);
 315         if (value != 0) {
 316             out.putShort(cw.newUTF8("ConstantValue"));
 317             out.putInt(2).putShort(value);
 318         }
 319         if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
 320             if ((cw.version & 0xFFFF) < Opcodes.V1_5
 321                     || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
 322                 out.putShort(cw.newUTF8("Synthetic")).putInt(0);
 323             }
 324         }
 325         if ((access & Opcodes.ACC_DEPRECATED) != 0) {
 326             out.putShort(cw.newUTF8("Deprecated")).putInt(0);
 327         }
 328         if (signature != 0) {
 329             out.putShort(cw.newUTF8("Signature"));
 330             out.putInt(2).putShort(signature);
 331         }
 332         if (anns != null) {
 333             out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
 334             anns.put(out);
 335         }
 336         if (ianns != null) {
 337             out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
 338             ianns.put(out);
 339         }
 340         if (tanns != null) {
 341             out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
 342             tanns.put(out);
 343         }
 344         if (itanns != null) {
 345             out.putShort(cw.newUTF8("RuntimeInvisibleTypeAnnotations"));
 346             itanns.put(out);
 347         }
 348         if (attrs != null) {
 349             attrs.put(cw, null, 0, -1, -1, out);
 350         }
 351     }
 352 }
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