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

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


 125     /**
 126      * The visitor to which this adapter must delegate calls. May be
 127      * <tt>null</tt>.
 128      */
 129     private final SignatureVisitor sv;
 130 
 131     /**
 132      * Creates a new {@link CheckSignatureAdapter} object. <i>Subclasses must
 133      * not use this constructor</i>. Instead, they must use the
 134      * {@link #CheckSignatureAdapter(int, int, SignatureVisitor)} version.
 135      *
 136      * @param type
 137      *            the type of signature to be checked. See
 138      *            {@link #CLASS_SIGNATURE}, {@link #METHOD_SIGNATURE} and
 139      *            {@link #TYPE_SIGNATURE}.
 140      * @param sv
 141      *            the visitor to which this adapter must delegate calls. May be
 142      *            <tt>null</tt>.
 143      */
 144     public CheckSignatureAdapter(final int type, final SignatureVisitor sv) {
 145         this(Opcodes.ASM5, type, sv);
 146     }
 147 
 148     /**
 149      * Creates a new {@link CheckSignatureAdapter} object.
 150      *
 151      * @param api
 152      *            the ASM API version implemented by this visitor. Must be one
 153      *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
 154      * @param type
 155      *            the type of signature to be checked. See
 156      *            {@link #CLASS_SIGNATURE}, {@link #METHOD_SIGNATURE} and
 157      *            {@link #TYPE_SIGNATURE}.
 158      * @param sv
 159      *            the visitor to which this adapter must delegate calls. May be
 160      *            <tt>null</tt>.
 161      */
 162     protected CheckSignatureAdapter(final int api, final int type,
 163             final SignatureVisitor sv) {
 164         super(api);
 165         this.type = type;
 166         this.state = EMPTY;
 167         this.sv = sv;
 168     }
 169 
 170     // class and method signatures
 171 
 172     @Override
 173     public void visitFormalTypeParameter(final String name) {
 174         if (type == TYPE_SIGNATURE
 175                 || (state != EMPTY && state != FORMAL && state != BOUND)) {
 176             throw new IllegalStateException();
 177         }
 178         CheckMethodAdapter.checkIdentifier(name, "formal type parameter");
 179         state = FORMAL;
 180         if (sv != null) {
 181             sv.visitFormalTypeParameter(name);
 182         }
 183     }
 184 
 185     @Override
 186     public SignatureVisitor visitClassBound() {
 187         if (state != FORMAL) {
 188             throw new IllegalStateException();
 189         }
 190         state = BOUND;
 191         SignatureVisitor v = sv == null ? null : sv.visitClassBound();
 192         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 193     }
 194 
 195     @Override
 196     public SignatureVisitor visitInterfaceBound() {
 197         if (state != FORMAL && state != BOUND) {
 198             throw new IllegalArgumentException();


 267         if (descriptor == 'V') {
 268             if (!canBeVoid) {
 269                 throw new IllegalArgumentException();
 270             }
 271         } else {
 272             if ("ZCBSIFJD".indexOf(descriptor) == -1) {
 273                 throw new IllegalArgumentException();
 274             }
 275         }
 276         state = SIMPLE_TYPE;
 277         if (sv != null) {
 278             sv.visitBaseType(descriptor);
 279         }
 280     }
 281 
 282     @Override
 283     public void visitTypeVariable(final String name) {
 284         if (type != TYPE_SIGNATURE || state != EMPTY) {
 285             throw new IllegalStateException();
 286         }
 287         CheckMethodAdapter.checkIdentifier(name, "type variable");
 288         state = SIMPLE_TYPE;
 289         if (sv != null) {
 290             sv.visitTypeVariable(name);
 291         }
 292     }
 293 
 294     @Override
 295     public SignatureVisitor visitArrayType() {
 296         if (type != TYPE_SIGNATURE || state != EMPTY) {
 297             throw new IllegalStateException();
 298         }
 299         state = SIMPLE_TYPE;
 300         SignatureVisitor v = sv == null ? null : sv.visitArrayType();
 301         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 302     }
 303 
 304     @Override
 305     public void visitClassType(final String name) {
 306         if (type != TYPE_SIGNATURE || state != EMPTY) {
 307             throw new IllegalStateException();
 308         }
 309         CheckMethodAdapter.checkInternalName(name, "class name");
 310         state = CLASS_TYPE;
 311         if (sv != null) {
 312             sv.visitClassType(name);
 313         }
 314     }
 315 
 316     @Override
 317     public void visitInnerClassType(final String name) {
 318         if (state != CLASS_TYPE) {
 319             throw new IllegalStateException();
 320         }
 321         CheckMethodAdapter.checkIdentifier(name, "inner class name");
 322         if (sv != null) {
 323             sv.visitInnerClassType(name);
 324         }
 325     }
 326 
 327     @Override
 328     public void visitTypeArgument() {
 329         if (state != CLASS_TYPE) {
 330             throw new IllegalStateException();
 331         }
 332         if (sv != null) {
 333             sv.visitTypeArgument();
 334         }
 335     }
 336 
 337     @Override
 338     public SignatureVisitor visitTypeArgument(final char wildcard) {
 339         if (state != CLASS_TYPE) {
 340             throw new IllegalStateException();
 341         }
 342         if ("+-=".indexOf(wildcard) == -1) {
 343             throw new IllegalArgumentException();
 344         }
 345         SignatureVisitor v = sv == null ? null : sv.visitTypeArgument(wildcard);
 346         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 347     }
 348 
 349     @Override
 350     public void visitEnd() {
 351         if (state != CLASS_TYPE) {
 352             throw new IllegalStateException();
 353         }
 354         state = END;
 355         if (sv != null) {
 356             sv.visitEnd();
 357         }
 358     }


























 359 }


 125     /**
 126      * The visitor to which this adapter must delegate calls. May be
 127      * <tt>null</tt>.
 128      */
 129     private final SignatureVisitor sv;
 130 
 131     /**
 132      * Creates a new {@link CheckSignatureAdapter} object. <i>Subclasses must
 133      * not use this constructor</i>. Instead, they must use the
 134      * {@link #CheckSignatureAdapter(int, int, SignatureVisitor)} version.
 135      *
 136      * @param type
 137      *            the type of signature to be checked. See
 138      *            {@link #CLASS_SIGNATURE}, {@link #METHOD_SIGNATURE} and
 139      *            {@link #TYPE_SIGNATURE}.
 140      * @param sv
 141      *            the visitor to which this adapter must delegate calls. May be
 142      *            <tt>null</tt>.
 143      */
 144     public CheckSignatureAdapter(final int type, final SignatureVisitor sv) {
 145         this(Opcodes.ASM6, type, sv);
 146     }
 147 
 148     /**
 149      * Creates a new {@link CheckSignatureAdapter} object.
 150      *
 151      * @param api
 152      *            the ASM API version implemented by this visitor. Must be one
 153      *            of {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
 154      * @param type
 155      *            the type of signature to be checked. See
 156      *            {@link #CLASS_SIGNATURE}, {@link #METHOD_SIGNATURE} and
 157      *            {@link #TYPE_SIGNATURE}.
 158      * @param sv
 159      *            the visitor to which this adapter must delegate calls. May be
 160      *            <tt>null</tt>.
 161      */
 162     protected CheckSignatureAdapter(final int api, final int type,
 163             final SignatureVisitor sv) {
 164         super(api);
 165         this.type = type;
 166         this.state = EMPTY;
 167         this.sv = sv;
 168     }
 169 
 170     // class and method signatures
 171 
 172     @Override
 173     public void visitFormalTypeParameter(final String name) {
 174         if (type == TYPE_SIGNATURE
 175                 || (state != EMPTY && state != FORMAL && state != BOUND)) {
 176             throw new IllegalStateException();
 177         }
 178         checkIdentifier(name, "formal type parameter");
 179         state = FORMAL;
 180         if (sv != null) {
 181             sv.visitFormalTypeParameter(name);
 182         }
 183     }
 184 
 185     @Override
 186     public SignatureVisitor visitClassBound() {
 187         if (state != FORMAL) {
 188             throw new IllegalStateException();
 189         }
 190         state = BOUND;
 191         SignatureVisitor v = sv == null ? null : sv.visitClassBound();
 192         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 193     }
 194 
 195     @Override
 196     public SignatureVisitor visitInterfaceBound() {
 197         if (state != FORMAL && state != BOUND) {
 198             throw new IllegalArgumentException();


 267         if (descriptor == 'V') {
 268             if (!canBeVoid) {
 269                 throw new IllegalArgumentException();
 270             }
 271         } else {
 272             if ("ZCBSIFJD".indexOf(descriptor) == -1) {
 273                 throw new IllegalArgumentException();
 274             }
 275         }
 276         state = SIMPLE_TYPE;
 277         if (sv != null) {
 278             sv.visitBaseType(descriptor);
 279         }
 280     }
 281 
 282     @Override
 283     public void visitTypeVariable(final String name) {
 284         if (type != TYPE_SIGNATURE || state != EMPTY) {
 285             throw new IllegalStateException();
 286         }
 287         checkIdentifier(name, "type variable");
 288         state = SIMPLE_TYPE;
 289         if (sv != null) {
 290             sv.visitTypeVariable(name);
 291         }
 292     }
 293 
 294     @Override
 295     public SignatureVisitor visitArrayType() {
 296         if (type != TYPE_SIGNATURE || state != EMPTY) {
 297             throw new IllegalStateException();
 298         }
 299         state = SIMPLE_TYPE;
 300         SignatureVisitor v = sv == null ? null : sv.visitArrayType();
 301         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 302     }
 303 
 304     @Override
 305     public void visitClassType(final String name) {
 306         if (type != TYPE_SIGNATURE || state != EMPTY) {
 307             throw new IllegalStateException();
 308         }
 309         checkClassName(name, "class name");
 310         state = CLASS_TYPE;
 311         if (sv != null) {
 312             sv.visitClassType(name);
 313         }
 314     }
 315 
 316     @Override
 317     public void visitInnerClassType(final String name) {
 318         if (state != CLASS_TYPE) {
 319             throw new IllegalStateException();
 320         }
 321         checkIdentifier(name, "inner class name");
 322         if (sv != null) {
 323             sv.visitInnerClassType(name);
 324         }
 325     }
 326 
 327     @Override
 328     public void visitTypeArgument() {
 329         if (state != CLASS_TYPE) {
 330             throw new IllegalStateException();
 331         }
 332         if (sv != null) {
 333             sv.visitTypeArgument();
 334         }
 335     }
 336 
 337     @Override
 338     public SignatureVisitor visitTypeArgument(final char wildcard) {
 339         if (state != CLASS_TYPE) {
 340             throw new IllegalStateException();
 341         }
 342         if ("+-=".indexOf(wildcard) == -1) {
 343             throw new IllegalArgumentException();
 344         }
 345         SignatureVisitor v = sv == null ? null : sv.visitTypeArgument(wildcard);
 346         return new CheckSignatureAdapter(TYPE_SIGNATURE, v);
 347     }
 348 
 349     @Override
 350     public void visitEnd() {
 351         if (state != CLASS_TYPE) {
 352             throw new IllegalStateException();
 353         }
 354         state = END;
 355         if (sv != null) {
 356             sv.visitEnd();
 357         }
 358     }
 359 
 360     private void checkClassName(final String name, final String msg) {
 361         if (name == null || name.length() == 0) {
 362             throw new IllegalArgumentException("Invalid " + msg
 363                     + " (must not be null or empty)");
 364         }
 365         for (int i = 0; i < name.length(); ++i) {
 366             if (".;[<>:".indexOf(name.charAt(i)) != -1) {
 367                 throw new IllegalArgumentException("Invalid " + msg
 368                         + " (must not contain . ; [ < > or :): " + name);
 369             }
 370         }
 371     }
 372 
 373     private void checkIdentifier(final String name, final String msg) {
 374         if (name == null || name.length() == 0) {
 375             throw new IllegalArgumentException("Invalid " + msg
 376                     + " (must not be null or empty)");
 377         }
 378         for (int i = 0; i < name.length(); ++i) {
 379             if (".;[/<>:".indexOf(name.charAt(i)) != -1) {
 380                 throw new IllegalArgumentException("Invalid " + msg
 381                         + " (must not contain . ; [ / < > or :): " + name);
 382             }
 383         }
 384     }
 385 }
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