Juergen Hoeller
8 years ago
14 changed files with 847 additions and 105 deletions
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/*** |
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* ASM: a very small and fast Java bytecode manipulation framework |
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* Copyright (c) 2000-2011 INRIA, France Telecom |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the copyright holders nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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* THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.springframework.asm; |
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/** |
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* A visitor to visit a Java module. The methods of this class must be called in |
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* the following order: <tt>visitVersion</tt> | <tt>visitMainClass</tt> | |
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* <tt>visitTargetPlatform</tt> | ( <tt>visitConcealedPackage</tt> | <tt>visitRequire</tt> | |
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* <tt>visitExport</tt> | <tt>visitUse</tt> | <tt>visitProvide</tt> )* <tt>visitEnd</tt>. |
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* |
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* @author Remi Forax |
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*/ |
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public abstract class ModuleVisitor { |
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/** |
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* The ASM API version implemented by this visitor. The value of this field |
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* must be {@link Opcodes#ASM6}. |
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*/ |
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protected final int api; |
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/** |
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* The module visitor to which this visitor must delegate method calls. May |
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* be null. |
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*/ |
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protected ModuleVisitor mv; |
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public ModuleVisitor(final int api) { |
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this(api, null); |
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} |
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/** |
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* Constructs a new {@link MethodVisitor}. |
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* |
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* @param api |
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* the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}. |
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* @param mv |
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* the method visitor to which this visitor must delegate method |
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* calls. May be null. |
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*/ |
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public ModuleVisitor(final int api, final ModuleVisitor mv) { |
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if (api != Opcodes.ASM6) { |
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throw new IllegalArgumentException(); |
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} |
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this.api = api; |
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this.mv = mv; |
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} |
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/** |
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* Visit the main class of the current module. |
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* |
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* @param mainClass the main class of the current module. |
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*/ |
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public void visitMainClass(String mainClass) { |
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if (mv != null) { |
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mv.visitMainClass(mainClass); |
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} |
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} |
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/** |
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* Visit a concealed package of the current module. |
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* |
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* @param packaze name of a concealed package
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*/ |
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public void visitPackage(String packaze) { |
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if (mv != null) { |
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mv.visitPackage(packaze); |
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} |
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} |
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/** |
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* Visits a dependence of the current module. |
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* |
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* @param module the module name of the dependence |
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* @param access the access flag of the dependence among |
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* ACC_TRANSITIVE, ACC_STATIC_PHASE, ACC_SYNTHETIC |
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* and ACC_MANDATED. |
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* @param version the module version at compile time or null. |
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*/ |
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public void visitRequire(String module, int access, String version) { |
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if (mv != null) { |
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mv.visitRequire(module, access, version); |
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} |
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} |
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/** |
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* Visit an exported package of the current module. |
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* |
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* @param packaze the name of the exported package. |
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* @param access the access flag of the exported package, |
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* valid values are among {@code ACC_SYNTHETIC} and |
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* {@code ACC_MANDATED}. |
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* @param modules names of the modules that can access to |
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* the public classes of the exported package or |
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* <tt>null</tt>. |
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*/ |
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public void visitExport(String packaze, int access, String... modules) { |
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if (mv != null) { |
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mv.visitExport(packaze, access, modules); |
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} |
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} |
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/** |
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* Visit an open package of the current module. |
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* |
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* @param packaze the name of the opened package. |
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* @param access the access flag of the opened package, |
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* valid values are among {@code ACC_SYNTHETIC} and |
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* {@code ACC_MANDATED}. |
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* @param modules names of the modules that can use deep |
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* reflection to the classes of the open package or |
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* <tt>null</tt>. |
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*/ |
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public void visitOpen(String packaze, int access, String... modules) { |
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if (mv != null) { |
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mv.visitOpen(packaze, access, modules); |
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} |
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} |
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/** |
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* Visit a service used by the current module. |
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* The name must be the name of an interface or an |
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* abstract class. |
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* |
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* @param service the internal name of the service. |
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*/ |
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public void visitUse(String service) { |
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if (mv != null) { |
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mv.visitUse(service); |
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} |
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} |
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/** |
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* Visit an implementation of a service. |
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* |
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* @param service the internal name of the service |
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* @param providers the internal names of the implementations |
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* of the service (there is at least one provider). |
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*/ |
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public void visitProvide(String service, String... providers) { |
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if (mv != null) { |
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mv.visitProvide(service, providers); |
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} |
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} |
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public void visitEnd() { |
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if (mv != null) { |
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mv.visitEnd(); |
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} |
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} |
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} |
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@ -0,0 +1,293 @@ |
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/*** |
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* ASM: a very small and fast Java bytecode manipulation framework |
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* Copyright (c) 2000-2011 INRIA, France Telecom |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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|
* notice, this list of conditions and the following disclaimer. |
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|
* 2. Redistributions in binary form must reproduce the above copyright |
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|
* notice, this list of conditions and the following disclaimer in the |
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|
* documentation and/or other materials provided with the distribution. |
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|
* 3. Neither the name of the copyright holders nor the names of its |
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|
* contributors may be used to endorse or promote products derived from |
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|
* this software without specific prior written permission. |
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|
* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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* THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.springframework.asm; |
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/** |
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* @author Remi Forax |
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*/ |
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final class ModuleWriter extends ModuleVisitor { |
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/** |
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* The class writer to which this Module attribute must be added. |
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*/ |
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private final ClassWriter cw; |
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/** |
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* size in byte of the Module attribute. |
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*/ |
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int size; |
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/** |
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* Number of attributes associated with the current module |
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* (Version, ConcealPackages, etc) |
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*/ |
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int attributeCount; |
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/** |
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* Size in bytes of the attributes associated with the current module |
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*/ |
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int attributesSize; |
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/** |
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* module name index in the constant pool |
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*/ |
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private final int name; |
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/** |
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* module access flags |
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*/ |
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private final int access; |
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/** |
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* module version index in the constant pool or 0 |
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*/ |
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private final int version; |
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/** |
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* module main class index in the constant pool or 0 |
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*/ |
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private int mainClass; |
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/** |
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* number of packages |
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*/ |
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private int packageCount; |
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/** |
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* The packages in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in packageCount |
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*/ |
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private ByteVector packages; |
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/** |
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* number of requires items |
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*/ |
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private int requireCount; |
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/** |
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* The requires items in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in requireCount |
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*/ |
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private ByteVector requires; |
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/** |
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* number of exports items |
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*/ |
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private int exportCount; |
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/** |
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* The exports items in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in exportCount |
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*/ |
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private ByteVector exports; |
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/** |
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* number of opens items |
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*/ |
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private int openCount; |
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/** |
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* The opens items in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in openCount |
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*/ |
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private ByteVector opens; |
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/** |
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* number of uses items |
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*/ |
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private int useCount; |
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/** |
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* The uses items in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in useCount |
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*/ |
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private ByteVector uses; |
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/** |
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* number of provides items |
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*/ |
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private int provideCount; |
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/** |
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* The uses provides in bytecode form. This byte vector only contains |
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* the items themselves, the number of items is store in provideCount |
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*/ |
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private ByteVector provides; |
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ModuleWriter(final ClassWriter cw, final int name, |
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final int access, final int version) { |
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super(Opcodes.ASM6); |
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this.cw = cw; |
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this.size = 16; // name + access + version + 5 counts
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this.name = name; |
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this.access = access; |
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this.version = version; |
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} |
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@Override |
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public void visitMainClass(String mainClass) { |
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if (this.mainClass == 0) { // protect against several calls to visitMainClass
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cw.newUTF8("ModuleMainClass"); |
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attributeCount++; |
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attributesSize += 8; |
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} |
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this.mainClass = cw.newClass(mainClass); |
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} |
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@Override |
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public void visitPackage(String packaze) { |
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if (packages == null) { |
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// protect against several calls to visitPackage
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cw.newUTF8("ModulePackages"); |
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packages = new ByteVector(); |
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attributeCount++; |
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attributesSize += 8; |
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} |
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packages.putShort(cw.newPackage(packaze)); |
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packageCount++; |
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attributesSize += 2; |
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} |
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@Override |
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public void visitRequire(String module, int access, String version) { |
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if (requires == null) { |
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requires = new ByteVector(); |
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} |
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requires.putShort(cw.newModule(module)) |
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.putShort(access) |
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.putShort(version == null? 0: cw.newUTF8(version)); |
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requireCount++; |
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size += 6; |
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} |
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@Override |
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public void visitExport(String packaze, int access, String... modules) { |
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if (exports == null) { |
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exports = new ByteVector(); |
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} |
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exports.putShort(cw.newPackage(packaze)).putShort(access); |
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if (modules == null) { |
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exports.putShort(0); |
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size += 6; |
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} else { |
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exports.putShort(modules.length); |
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for(String module: modules) { |
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exports.putShort(cw.newModule(module)); |
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} |
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size += 6 + 2 * modules.length; |
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} |
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exportCount++; |
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} |
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@Override |
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public void visitOpen(String packaze, int access, String... modules) { |
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if (opens == null) { |
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opens = new ByteVector(); |
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} |
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opens.putShort(cw.newPackage(packaze)).putShort(access); |
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if (modules == null) { |
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opens.putShort(0); |
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size += 6; |
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} else { |
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opens.putShort(modules.length); |
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for(String module: modules) { |
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opens.putShort(cw.newModule(module)); |
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} |
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size += 6 + 2 * modules.length; |
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} |
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openCount++; |
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} |
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@Override |
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public void visitUse(String service) { |
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if (uses == null) { |
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uses = new ByteVector(); |
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} |
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uses.putShort(cw.newClass(service)); |
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useCount++; |
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size += 2; |
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} |
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@Override |
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public void visitProvide(String service, String... providers) { |
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if (provides == null) { |
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provides = new ByteVector(); |
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} |
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provides.putShort(cw.newClass(service)); |
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provides.putShort(providers.length); |
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for(String provider: providers) { |
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provides.putShort(cw.newClass(provider)); |
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} |
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provideCount++; |
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size += 4 + 2 * providers.length; |
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} |
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@Override |
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public void visitEnd() { |
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// empty
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} |
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void putAttributes(ByteVector out) { |
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if (mainClass != 0) { |
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out.putShort(cw.newUTF8("ModuleMainClass")).putInt(2).putShort(mainClass); |
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} |
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if (packages != null) { |
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out.putShort(cw.newUTF8("ModulePackages")) |
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.putInt(2 + 2 * packageCount) |
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.putShort(packageCount) |
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.putByteArray(packages.data, 0, packages.length); |
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} |
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} |
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void put(ByteVector out) { |
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out.putInt(size); |
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out.putShort(name).putShort(access).putShort(version); |
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out.putShort(requireCount); |
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if (requires != null) { |
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out.putByteArray(requires.data, 0, requires.length); |
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} |
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out.putShort(exportCount); |
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if (exports != null) { |
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out.putByteArray(exports.data, 0, exports.length); |
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} |
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out.putShort(openCount); |
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if (opens != null) { |
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out.putByteArray(opens.data, 0, opens.length); |
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} |
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out.putShort(useCount); |
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if (uses != null) { |
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out.putByteArray(uses.data, 0, uses.length); |
||||||
|
} |
||||||
|
out.putShort(provideCount); |
||||||
|
if (provides != null) { |
||||||
|
out.putByteArray(provides.data, 0, provides.length); |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue