List of usage examples for org.objectweb.asm MethodVisitor visitLocalVariable
public void visitLocalVariable(final String name, final String descriptor, final String signature, final Label start, final Label end, final int index)
From source file:com.sun.fortress.compiler.environments.TopLevelEnvGen.java
License:Open Source License
private static void writeNullSetter(ClassWriter cw, String className, String methodName, String signature) { MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, methodName, signature, null, null); mv.visitCode();/*from www . ja v a2s . c o m*/ Label l0 = new Label(); mv.visitLabel(l0); mv.visitInsn(Opcodes.RETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", Naming.internalToDesc(className), null, l0, l1, 0); mv.visitLocalVariable("str", "Ljava/lang/String;", null, l0, l1, 1); mv.visitLocalVariable("f2", "Ljava/lang/Number;", null, l0, l1, 2); // See comment above on ClassWriter.COMPUTE_FRAMES mv.visitMaxs(0, 3); mv.visitEnd(); }
From source file:com.sun.fortress.compiler.environments.TopLevelEnvGen.java
License:Open Source License
private static void writeRemoveMethod(ClassWriter cw, String className, String methodName, String invokeMethod, EnvironmentClass environmentClass) { MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(Ljava/lang/String;)V", null, null); mv.visitCode();// w w w .j a v a 2 s . c om Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className, invokeMethod, "(Ljava/lang/String;" + environmentClass.descriptor() + ")V"); Label l1 = new Label(); mv.visitLabel(l1); mv.visitInsn(Opcodes.RETURN); Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", Naming.internalToDesc(className), null, l0, l2, 0); mv.visitLocalVariable("name", "Ljava/lang/String;", null, l0, l2, 1); // See comment above on ClassWriter.COMPUTE_FRAMES mv.visitMaxs(3, 2); mv.visitEnd(); }
From source file:com.sun.fortress.compiler.environments.TopLevelEnvGen.java
License:Open Source License
private static void writeDumpMethod(ClassWriter cw, String className, EnvSymbolNames symbolNames) { MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "dump", "(Ljava/lang/Appendable;)Ljava/lang/Appendable;", null, new String[] { "java/io/IOException" }); mv.visitCode();/* w ww . j ava2 s. c o m*/ Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, className, "within", Type.getType(HasAt.class).getDescriptor()); Label l1 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l1); Label l2 = new Label(); mv.visitLabel(l2); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, className, "within", Type.getType(HasAt.class).getDescriptor()); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getType(HasAt.class).getInternalName(), "at", "()Ljava/lang/String;"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/lang/Appendable", "append", "(Ljava/lang/CharSequence;)Ljava/lang/Appendable;"); mv.visitInsn(Opcodes.POP); Label l3 = new Label(); mv.visitLabel(l3); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitLdcInsn("\n"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/lang/Appendable", "append", "(Ljava/lang/CharSequence;)Ljava/lang/Appendable;"); mv.visitInsn(Opcodes.POP); Label l4 = new Label(); mv.visitJumpInsn(Opcodes.GOTO, l4); mv.visitLabel(l1); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitLdcInsn("Not within anything.\n"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/lang/Appendable", "append", "(Ljava/lang/CharSequence;)Ljava/lang/Appendable;"); mv.visitInsn(Opcodes.POP); mv.visitLabel(l4); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, className, "verboseDump", "Z"); Label l5 = new Label(); mv.visitJumpInsn(Opcodes.IFEQ, l5); int linebreaks = dumpFields(mv, className, EnvironmentClass.FVALUE, symbolNames, 0); dumpFields(mv, className, EnvironmentClass.FTYPE, symbolNames, linebreaks); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitLdcInsn("\n"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/lang/Appendable", "append", "(Ljava/lang/CharSequence;)Ljava/lang/Appendable;"); mv.visitInsn(Opcodes.POP); mv.visitLabel(l5); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitInsn(Opcodes.ARETURN); Label l9 = new Label(); mv.visitLabel(l9); mv.visitLocalVariable("this", Naming.internalToDesc(className), null, l0, l9, 0); mv.visitLocalVariable("a", "Ljava/lang/Appendable;", null, l0, l9, 1); // See comment above on ClassWriter.COMPUTE_FRAMES mv.visitMaxs(2, 2); mv.visitEnd(); }
From source file:com.sun.fortress.interpreter.env.ClosureMaker.java
License:Open Source License
public static byte[] forTopLevelFunction(APIName apiname, FnDecl fd, String closureClass, String aClass, String aMethod) throws Exception { //IdOrOp ua_name = fd.getUnambiguousName(); /*//from ww w . java 2s. com This is a cheat; ought to be more algorithmic, so this will work in general, not just for native wrappers. Proper algorithm derives it from the FnDecl. */ String md = ForeignJava.only.methodToDecl.inverse().get(fd); /* translate apiname into package name extract aClass from name md is the method name. need to generate a class, extending com.sun.fortress.interpreter.Glue.NativeFn#, where # is the number of parameters in the decl, that class must contain a method (say, #=3) FValue applyToArgs(FValue x, FValue y, FValue z) { return package.class.md(x,y,z); } and that is all. */ String pkg_dots = NamingCzar.apiNameToPackageName(apiname); String pkg_slashes = Useful.replace(pkg_dots, ".", "/"); int nargs = fd.getHeader().getParams().size(); String nativeHelper = "com/sun/fortress/interpreter/glue/NativeFn" + nargs; String nativeWrapperClass = pkg_slashes + "/" + aClass; String LclosureClass = "L" + closureClass + ";"; String fvalue = "Lcom/sun/fortress/interpreter/evaluator/values/FValue;"; String signature = "("; StringBuilder buf = new StringBuilder(); buf.append(signature); for (int i = 1; i <= nargs; i++) { buf.append(fvalue); } signature = buf.toString(); signature += ")" + fvalue; System.err.println(md); ClassWriter cw = new ClassWriter(0); MethodVisitor mv; cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, closureClass, null, nativeHelper, null); cw.visitSource(null, null); { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, nativeHelper, "<init>", "()V"); mv.visitInsn(RETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", LclosureClass, null, l0, l1, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "applyToArgs", signature, null, null); mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); for (int i = 1; i <= nargs; i++) { mv.visitVarInsn(ALOAD, i); } mv.visitMethodInsn(INVOKESTATIC, nativeWrapperClass, aMethod, signature); mv.visitInsn(ARETURN); Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", LclosureClass, null, l0, l1, 0); for (int i = 1; i <= nargs; i++) { mv.visitLocalVariable("p" + i, fvalue, null, l0, l1, 1); } mv.visitMaxs(nargs, nargs + 1); mv.visitEnd(); } cw.visitEnd(); return cw.toByteArray(); }
From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java
License:Apache License
public static byte[] dumpArrayList(final TypeModel tm) { final ClassWriter cw = new ClassWriter(0); FieldVisitor fv;//from w ww. j a v a 2 s .c o m MethodVisitor mv; final Class interfaceClass = tm.type(); final String name = interfaceClass.getName().replace('.', '/'); cw.visit( V1_5, ACC_PUBLIC + ACC_SUPER, name + "ArrayList", "L" + collections + "impl/AbstractHugeArrayList<L" + name + ";L" + name + "Allocation;L" + name + "Element;>;", collections + "impl/AbstractHugeArrayList", null); cw.visitSource(tm.type().getSimpleName() + "ArrayList.java", null); for (final FieldModel fm : tm.fields()) { if (fm instanceof Enum8FieldModel) { fv = cw.visitField(ACC_FINAL, fm.fieldName() + "FieldModel", "L" + collections + "model/Enum8FieldModel;", "L" + collections + "model/Enum8FieldModel<Ljava/lang/annotation/ElementType;>;", null); fv.visitEnd(); } else if (fm instanceof Enumerated16FieldModel) { fv = cw.visitField(ACC_FINAL, fm.fieldName() + "FieldModel", "L" + collections + "model/Enumerated16FieldModel;", "L" + collections + "model/Enumerated16FieldModel<Ljava/lang/String;>;", null); fv.visitEnd(); } } final List<FieldModel> fields = new ArrayList<FieldModel>(); { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(L" + collections + "HugeArrayBuilder;)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(35, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, collections + "impl/AbstractHugeArrayList", "<init>", "(L" + collections + "HugeArrayBuilder;)V"); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(29, l1); for (final FieldModel fm : tm.fields()) { if (fm instanceof Enum8FieldModel) { mv.visitVarInsn(ALOAD, 0); mv.visitTypeInsn(NEW, fm.bcModelType()); mv.visitInsn(DUP); mv.visitLdcInsn(fm.fieldName()); mv.visitIntInsn(BIPUSH, fm.fieldNumber()); mv.visitLdcInsn(Type.getType(fm.bcLFieldType())); mv.visitMethodInsn(INVOKESTATIC, fm.bcFieldType(), "values", "()[" + fm.bcLFieldType()); mv.visitMethodInsn(INVOKESPECIAL, fm.bcModelType(), "<init>", "(Ljava/lang/String;ILjava/lang/Class;[Ljava/lang/Enum;)V"); mv.visitFieldInsn(PUTFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, collections + "HugeArrayBuilder", "baseDirectory", "()Ljava/lang/String;"); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "baseDirectory", "(Ljava/lang/String;)V"); fields.add(fm); } else if (fm instanceof Enumerated16FieldModel) { mv.visitVarInsn(ALOAD, 0); mv.visitTypeInsn(NEW, fm.bcModelType()); mv.visitInsn(DUP); mv.visitLdcInsn(fm.fieldName()); mv.visitIntInsn(BIPUSH, fm.fieldNumber()); mv.visitLdcInsn(Type.getType(fm.bcLFieldType())); mv.visitMethodInsn(INVOKESPECIAL, fm.bcModelType(), "<init>", "(Ljava/lang/String;ILjava/lang/Class;)V"); mv.visitFieldInsn(PUTFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, collections + "HugeArrayBuilder", "baseDirectory", "()Ljava/lang/String;"); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "baseDirectory", "(Ljava/lang/String;)V"); fields.add(fm); } } mv.visitInsn(RETURN); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l4, 0); mv.visitLocalVariable("hab", "L" + collections + "HugeArrayBuilder;", null, l0, l4, 1); mv.visitMaxs(7, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "createAllocation", "(L" + collections + "impl/MappedFileChannel;)L" + name + "Allocation;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(43, l0); mv.visitTypeInsn(NEW, name + "Allocation"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", "allocationSize", "I"); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, name + "Allocation", "<init>", "(IL" + collections + "impl/MappedFileChannel;)V"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitLocalVariable("mfc", "L" + collections + "impl/MappedFileChannel;", null, l0, l1, 1); mv.visitMaxs(4, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "createElement", "(J)L" + name + "Element;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(48, l0); mv.visitTypeInsn(NEW, name + "Element"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, name + "Element", "<init>", "(L" + collections + "impl/AbstractHugeArrayList;J)V"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitLocalVariable("n", "J", null, l0, l1, 1); mv.visitMaxs(5, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "createImpl", "()L" + name + ";", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(53, l0); mv.visitTypeInsn(NEW, name + "Impl"); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, name + "Impl", "<init>", "()V"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "compactStart", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(57, l0); for (final FieldModel fm : fields) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "compactStart", "()V"); } final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(58, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l2, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "compactOnAllocation", "(L" + name + "Allocation;J)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(65, l0); for (final FieldModel fm : fields) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitVarInsn(ALOAD, 1); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_string", fm.bcLStoreType()); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "compactScan", "(" + fm.bcLStoreType() + "J)V"); } final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(66, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l2, 0); mv.visitLocalVariable("allocation", "L" + name + "Allocation;", null, l0, l2, 1); mv.visitLocalVariable("thisSize", "J", null, l0, l2, 2); mv.visitMaxs(4, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "compactEnd", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(69, l0); for (final FieldModel fm : fields) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "compactEnd", "()V"); } final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(70, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l2, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "clear", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(74, l0); for (final FieldModel fm : fields) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcModelType(), "clear", "()V"); } final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLineNumber(77, l3); mv.visitInsn(RETURN); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l4, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED + ACC_BRIDGE + ACC_SYNTHETIC, "createImpl", "()Ljava/lang/Object;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(29, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name + "ArrayList", "createImpl", "()L" + name + ";"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED + ACC_BRIDGE + ACC_SYNTHETIC, "createElement", "(J)L" + collections + "impl/AbstractHugeElement;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(29, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, name + "ArrayList", "createElement", "(J)L" + name + "Element;"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitLocalVariable("x0", "J", null, l0, l1, 1); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED + ACC_BRIDGE + ACC_SYNTHETIC, "compactOnAllocation", "(L" + collections + "api/HugeAllocation;J)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(29, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, name + "Allocation"); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, name + "ArrayList", "compactOnAllocation", "(L" + name + "Allocation;J)V"); mv.visitInsn(RETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitLocalVariable("x0", "L" + collections + "api/HugeAllocation;", null, l0, l1, 1); mv.visitLocalVariable("x1", "J", null, l0, l1, 2); mv.visitMaxs(4, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED + ACC_BRIDGE + ACC_SYNTHETIC, "createAllocation", "(L" + collections + "impl/MappedFileChannel;)L" + collections + "api/HugeAllocation;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(29, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, name + "ArrayList", "createAllocation", "(L" + collections + "impl/MappedFileChannel;)L" + name + "Allocation;"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "ArrayList;", null, l0, l1, 0); mv.visitLocalVariable("x0", "L" + collections + "impl/MappedFileChannel;", null, l0, l1, 1); mv.visitMaxs(2, 2); mv.visitEnd(); } cw.visitEnd(); final byte[] bytes = cw.toByteArray(); // ClassReader cr = new ClassReader(bytes); // cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), 0); return bytes; }
From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java
License:Apache License
public static byte[] dumpAllocation(final TypeModel tm) { final ClassWriter cw = new ClassWriter(0); FieldVisitor fv;/*from ww w . j a va 2 s . co m*/ MethodVisitor mv; final Class interfaceClass = tm.type(); final String name = interfaceClass.getName().replace('.', '/'); cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, name + "Allocation", null, "java/lang/Object", new String[] { collections + "api/HugeAllocation" }); cw.visitSource(tm.type().getSimpleName() + "Allocation.java", null); for (final FieldModel fm : tm.fields()) { fv = cw.visitField(0, "m_" + fm.fieldName(), fm.bcLStoreType(), null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(IL" + collections + "impl/MappedFileChannel;)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(46, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); for (final FieldModel fm : tm.fields()) { mv.visitVarInsn(ALOAD, 0); if (fm instanceof ObjectFieldModel) { mv.visitLdcInsn(Type.getType(fm.bcLFieldType())); mv.visitVarInsn(ILOAD, 1); mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "newArrayOfField", "(Ljava/lang/Class;I)[Ljava/lang/Object;"); mv.visitTypeInsn(CHECKCAST, fm.bcLStoreType()); } else { mv.visitVarInsn(ILOAD, 1); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "newArrayOfField", "(IL" + collections + "impl/MappedFileChannel;)" + fm.bcLStoreType()); } mv.visitFieldInsn(PUTFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); } mv.visitInsn(RETURN); final Label l14 = new Label(); mv.visitLabel(l14); mv.visitLocalVariable("this", "L" + name + "Allocation;", null, l0, l14, 0); mv.visitLocalVariable("allocationSize", "I", null, l0, l14, 1); mv.visitLocalVariable("mfc", "L" + collections + "impl/MappedFileChannel;", null, l0, l14, 2); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "clear", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(62, l0); for (final FieldModel fm : tm.fields()) { if (fm instanceof ObjectFieldModel) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitInsn(ACONST_NULL); mv.visitMethodInsn(INVOKESTATIC, "java/util/Arrays", "fill", "([Ljava/lang/Object;Ljava/lang/Object;)V"); } } final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(63, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "Allocation;", null, l0, l2, 0); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "destroy", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(66, l0); for (final FieldModel fm : tm.fields()) { if (!fm.isBufferStore()) { continue; } mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitTypeInsn(CHECKCAST, "java/nio/Buffer"); mv.visitMethodInsn(INVOKESTATIC, GenerateHugeArrays.class.getName().replace('.', '/'), "clean", "(Ljava/nio/Buffer;)V"); } final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLineNumber(69, l3); mv.visitInsn(RETURN); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLocalVariable("this", "L" + name + "Allocation;", null, l0, l4, 0); mv.visitLocalVariable("m", "Ljava/lang/Object;", null, l3, l4, 1); mv.visitMaxs(1, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "finalize", "()V", null, new String[] { "java/lang/Throwable" }); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(76, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "finalize", "()V"); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(77, l1); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name + "Allocation", "destroy", "()V"); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLineNumber(78, l2); mv.visitInsn(RETURN); final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLocalVariable("this", "L" + name + "Allocation;", null, l0, l3, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } cw.visitEnd(); final byte[] bytes = cw.toByteArray(); // ClassReader cr = new ClassReader(bytes); // cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), 0); return bytes; }
From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java
License:Apache License
public static byte[] dumpElement(final TypeModel tm) { final ClassWriter cw = new ClassWriter(0); FieldVisitor fv;/* w w w .j a v a 2s.c o m*/ MethodVisitor mv; final String name = tm.bcType(); cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, name + "Element", "L" + collections + "impl/AbstractHugeElement<L" + name + "Allocation;>;L" + name + ";Ljava/io/Externalizable;", collections + "impl/AbstractHugeElement", new String[] { name, "java/io/Externalizable" }); cw.visitSource(tm.type().getSimpleName() + "Element.java", null); { fv = cw.visitField(0, "allocation", "L" + name + "Allocation;", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(L" + collections + "impl/AbstractHugeArrayList;J)V", "(L" + collections + "impl/AbstractHugeArrayList<L" + name + ";L" + name + "Allocation;L" + name + "Element;>;J)V", null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(34, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKESPECIAL, collections + "impl/AbstractHugeElement", "<init>", "(L" + collections + "impl/AbstractHugeContainer;J)V"); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(35, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "Element;", null, l0, l2, 0); mv.visitLocalVariable("list", "L" + collections + "impl/AbstractHugeArrayList;", "L" + collections + "impl/AbstractHugeArrayList<L" + name + ";L" + name + "Allocation;L" + name + "Element;>;", l0, l2, 1); mv.visitLocalVariable("n", "J", null, l0, l2, 2); mv.visitMaxs(4, 4); mv.visitEnd(); } for (final FieldModel fm : tm.fields()) { // /////// SETTER ////////// int maxLocals = 2 + fm.bcFieldSize(); mv = cw.visitMethod(ACC_PUBLIC, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(39, l0); int invoke = INVOKESTATIC; if (fm.virtualGetSet()) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "container", "L" + collections + "impl/AbstractHugeContainer;"); mv.visitTypeInsn(CHECKCAST, name + "ArrayList"); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); invoke = INVOKEVIRTUAL; maxLocals++; } mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "allocation", "L" + name + "Allocation;"); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "offset", "I"); mv.visitVarInsn(loadFor(fm.bcType()), 1); mv.visitMethodInsn(invoke, fm.bcModelType(), "set", "(" + fm.bcLStoreType() + "I" + fm.bcLSetType() + ")V"); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "Element;", null, l0, l2, 0); mv.visitLocalVariable("elementType", "Ljava/lang/annotation/ElementType;", null, l0, l2, 1); mv.visitMaxs(maxLocals, 1 + fm.bcFieldSize()); mv.visitEnd(); // /////// GETTER ////////// mv = cw.visitMethod(ACC_PUBLIC, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType(), null, null); mv.visitCode(); final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLineNumber(144, l3); BCType bcType = fm.bcType(); if (fm.virtualGetSet()) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "container", "L" + collections + "impl/AbstractHugeContainer;"); mv.visitTypeInsn(CHECKCAST, name + "ArrayList"); mv.visitFieldInsn(GETFIELD, name + "ArrayList", fm.fieldName() + "FieldModel", fm.bcLModelType()); bcType = BCType.Reference; } mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "allocation", "L" + name + "Allocation;"); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "offset", "I"); mv.visitMethodInsn(invoke, fm.bcModelType(), "get", "(" + fm.bcLStoreType() + "I)" + fm.bcLSetType()); if (!fm.bcLSetType().equals(fm.bcLFieldType())) { mv.visitTypeInsn(CHECKCAST, fm.bcFieldType()); } mv.visitInsn(returnFor(bcType)); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLocalVariable("this", "L" + name + "Element;", null, l3, l4, 0); mv.visitMaxs(4, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "updateAllocation0", "(I)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(170, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "container", "L" + collections + "impl/AbstractHugeContainer;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Element", "index", "J"); mv.visitMethodInsn(INVOKEVIRTUAL, collections + "impl/AbstractHugeContainer", "getAllocation", "(J)L" + collections + "api/HugeAllocation;"); mv.visitTypeInsn(CHECKCAST, name + "Allocation"); mv.visitFieldInsn(PUTFIELD, name + "Element", "allocation", "L" + name + "Allocation;"); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(171, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "Element;", null, l0, l2, 0); mv.visitLocalVariable("allocationSize", "I", null, l0, l2, 1); mv.visitMaxs(4, 2); mv.visitEnd(); } appendToStringHashCodeEqualsCopyOf(tm, cw, name + "Element", true); cw.visitEnd(); final byte[] bytes = cw.toByteArray(); // ClassReader cr = new ClassReader(bytes); // cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), 0); return bytes; }
From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java
License:Apache License
private static void appendToStringHashCodeEqualsCopyOf(final TypeModel tm, final ClassWriter cw, final String name2, final boolean hasListField) { final String name = tm.bcType(); MethodVisitor mv; {//from w ww.j av a2 s. c o m mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(176, l0); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V"); mv.visitLdcInsn(tm.type().getSimpleName() + "{"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;"); String sep = ""; for (final FieldModel fm : tm.fields()) { final boolean text = CharSequence.class.isAssignableFrom(tm.type()); mv.visitLdcInsn(sep + fm.fieldName() + "=" + (text ? "'" : "")); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;"); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); String appendType = "Ljava/lang/Object;"; final Class fmType = fm.type(); if (fmType.isPrimitive()) { if ((fmType == byte.class) || (fmType == short.class)) { appendType = "I"; } else { appendType = fm.bcLFieldType(); } } mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(" + appendType + ")Ljava/lang/StringBuilder;"); sep = text ? "', " : ", "; } if (sep.startsWith("'")) { mv.visitIntInsn(BIPUSH, 39); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(C)Ljava/lang/StringBuilder;"); } mv.visitIntInsn(BIPUSH, 125); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(C)Ljava/lang/StringBuilder;"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l1, 0); mv.visitMaxs(3, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "equals", "(Ljava/lang/Object;)Z", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(194, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); final Label l1 = new Label(); mv.visitJumpInsn(IF_ACMPNE, l1); mv.visitInsn(ICONST_1); mv.visitInsn(IRETURN); mv.visitLabel(l1); mv.visitLineNumber(195, l1); mv.visitVarInsn(ALOAD, 1); final Label l2 = new Label(); mv.visitJumpInsn(IFNULL, l2); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;"); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;"); final Label l3 = new Label(); mv.visitJumpInsn(IF_ACMPEQ, l3); mv.visitLabel(l2); mv.visitInsn(ICONST_0); mv.visitInsn(IRETURN); mv.visitLabel(l3); mv.visitLineNumber(197, l3); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, name2); mv.visitVarInsn(ASTORE, 2); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLineNumber(199, l4); final FieldModel[] fieldModels = tm.fields().clone(); Arrays.sort(fieldModels, new Comparator<FieldModel>() { // reverse sort the preferences to optimise the public int compare(final FieldModel o1, final FieldModel o2) { return o2.equalsPreference() - o1.equalsPreference(); } }); for (final FieldModel fm : fieldModels) { // System.out.println(fm.fieldName()); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); final Label l5 = new Label(); if (fm.isCallsNotEquals()) { mv.visitMethodInsn(INVOKESTATIC, fm.bcLModelType(), "notEquals", "(" + fm.bcLSetType() + fm.bcLSetType() + ")Z"); mv.visitJumpInsn(IFEQ, l5); } else { mv.visitJumpInsn(IF_ICMPEQ, l5); } mv.visitInsn(ICONST_0); mv.visitInsn(IRETURN); mv.visitLabel(l5); } mv.visitInsn(ICONST_1); mv.visitInsn(IRETURN); final Label l17 = new Label(); mv.visitLabel(l17); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l17, 0); mv.visitLocalVariable("o", "Ljava/lang/Object;", null, l0, l17, 1); mv.visitLocalVariable("that", "L" + name2 + ";", null, l4, l17, 2); mv.visitMaxs(4, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "hashCode", "()I", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); int count = 0; for (final FieldModel fm : tm.fields()) { // if (count > 5) break; // System.out.println(fm.fieldName()); if (count > 0) { mv.visitIntInsn(BIPUSH, 31); mv.visitInsn(IMUL); } mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); if (fm.isCallsHashCode()) { mv.visitMethodInsn(INVOKESTATIC, fm.bcLModelType(), "hashCode", "(" + fm.bcLSetType() + ")I"); } if (count > 0) { mv.visitInsn(IADD); } count++; } mv.visitInsn(IRETURN); final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l3, 0); mv.visitMaxs(6, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "copyOf", "(L" + name + ";)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(240, l0); boolean copySimpleValues = false; for (final FieldModel fm : tm.fields()) { if (!fm.copySimpleValue() || !hasListField) { // if (true) { mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEINTERFACE, name, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V"); } else { copySimpleValues = true; } } final Label l4 = new Label(); final Label l6 = new Label(); if (copySimpleValues) { final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLineNumber(243, l3); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(INSTANCEOF, name2); mv.visitJumpInsn(IFEQ, l4); final Label l5 = new Label(); mv.visitLabel(l5); mv.visitLineNumber(238, l5); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, name2); mv.visitVarInsn(ASTORE, 2); mv.visitLabel(l6); mv.visitLineNumber(239, l6); mv.visitVarInsn(ALOAD, 2); mv.visitFieldInsn(GETFIELD, name2, "container", "L" + collections + "impl/AbstractHugeContainer;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name2, "container", "L" + collections + "impl/AbstractHugeContainer;"); mv.visitJumpInsn(IF_ACMPNE, l4); for (final FieldModel fm : tm.fields()) { if (fm.copySimpleValue()) { mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name2, "allocation", "L" + name + "Allocation;"); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name2, "offset", "I"); mv.visitVarInsn(ALOAD, 2); mv.visitFieldInsn(GETFIELD, name2, "allocation", "L" + name + "Allocation;"); mv.visitFieldInsn(GETFIELD, name + "Allocation", "m_" + fm.fieldName(), fm.bcLStoreType()); mv.visitVarInsn(ALOAD, 2); mv.visitFieldInsn(GETFIELD, name2, "offset", "I"); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcStoreType(), "get", "(I)" + fm.bcLStoredType()); mv.visitMethodInsn(INVOKEVIRTUAL, fm.bcStoreType(), "put", "(I" + fm.bcLStoredType() + ")" + fm.bcLStoreType()); mv.visitInsn(POP); } } } final Label l16 = new Label(); mv.visitLabel(l16); mv.visitLineNumber(238, l16); final Label l17 = new Label(); mv.visitJumpInsn(GOTO, l17); mv.visitLabel(l4); mv.visitLineNumber(241, l4); for (final FieldModel fm : tm.fields()) { if (fm.copySimpleValue()) { mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEINTERFACE, name, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V"); } } mv.visitLabel(l17); mv.visitLineNumber(251, l17); mv.visitInsn(RETURN); final Label l27 = new Label(); mv.visitLabel(l27); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l27, 0); mv.visitLocalVariable("t", "L" + name + ";", null, l0, l27, 1); if (copySimpleValues) { mv.visitLocalVariable("mte", "L" + name + "Element;", null, l6, l4, 2); } mv.visitMaxs(4, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "copyOf", "(Ljava/lang/Object;)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(275, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, name); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "copyOf", "(L" + name + ";)V"); mv.visitInsn(RETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l1, 0); mv.visitLocalVariable("x0", "Ljava/lang/Object;", null, l0, l1, 1); mv.visitMaxs(2, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "writeExternal", "(Ljava/io/ObjectOutput;)V", null, new String[] { "java/io/IOException" }); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(185, l0); for (final FieldModel fm : tm.fields()) { mv.visitVarInsn(ALOAD, 1); if (fm.bcLSetType().equals(fm.bcLFieldType())) { mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "write", "(Ljava/io/ObjectOutput;" + fm.bcLSetType() + ")V"); } else { mv.visitLdcInsn(Type.getType(fm.bcLFieldType())); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, name2, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType()); mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "write", "(Ljava/io/ObjectOutput;Ljava/lang/Class;" + fm.bcLSetType() + ")V"); } } final Label l13 = new Label(); mv.visitLabel(l13); mv.visitLineNumber(288, l13); mv.visitInsn(RETURN); final Label l14 = new Label(); mv.visitLabel(l14); mv.visitLocalVariable("this", "L" + name2 + ';', null, l0, l14, 0); mv.visitLocalVariable("out", "Ljava/io/ObjectOutput;", null, l0, l14, 1); mv.visitMaxs(4, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "readExternal", "(Ljava/io/ObjectInput;)V", null, new String[] { "java/io/IOException", "java/lang/ClassNotFoundException" }); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(287, l0); for (final FieldModel fm : tm.fields()) { mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); if (fm.bcLSetType().equals(fm.bcLFieldType())) { mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "read", "(Ljava/io/ObjectInput;)" + fm.bcLSetType()); } else { mv.visitLdcInsn(Type.getType(fm.bcLFieldType())); mv.visitMethodInsn(INVOKESTATIC, fm.bcModelType(), "read", "(Ljava/io/ObjectInput;Ljava/lang/Class;)" + fm.bcLSetType()); mv.visitTypeInsn(CHECKCAST, fm.bcFieldType()); } mv.visitMethodInsn(INVOKEVIRTUAL, name2, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V"); } final Label l13 = new Label(); mv.visitLabel(l13); mv.visitLineNumber(305, l13); mv.visitInsn(RETURN); final Label l14 = new Label(); mv.visitLabel(l14); mv.visitLocalVariable("this", "L" + name2 + ";", null, l0, l14, 0); mv.visitLocalVariable("in", "Ljava/io/ObjectInput;", null, l0, l14, 1); mv.visitMaxs(3, 2); mv.visitEnd(); } }
From source file:com.weibo.lodil.mmap.impl.GenerateHugeArrays.java
License:Apache License
public static byte[] dumpImpl(final TypeModel tm) { final ClassWriter cw = new ClassWriter(0); FieldVisitor fv;//from w ww . j a va2 s.c om MethodVisitor mv; final String name = tm.bcType(); cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, name + "Impl", "Ljava/lang/Object;L" + name + ";L" + collections + "api/HugeElement<L" + name + ";>;Ljava/io/Externalizable;", "java/lang/Object", new String[] { name, collections + "api/HugeElement", "java/io/Externalizable" }); cw.visitSource(tm.getClass().getSimpleName() + "Impl.java", null); for (final FieldModel fm : tm.fields()) { fv = cw.visitField(ACC_PRIVATE, "m_" + fm.fieldName(), fm.bcLFieldType(), null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(30, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); mv.visitInsn(RETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } for (final FieldModel fm : tm.fields()) { mv = cw.visitMethod(ACC_PUBLIC, "set" + fm.titleFieldName(), "(" + fm.bcLFieldType() + ")V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(47, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(loadFor(fm.bcType()), 1); mv.visitFieldInsn(PUTFIELD, name + "Impl", "m_" + fm.fieldName(), fm.bcLFieldType()); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLineNumber(48, l1); mv.visitInsn(RETURN); final Label l2 = new Label(); mv.visitLabel(l2); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l2, 0); mv.visitLocalVariable("b", fm.bcLFieldType(), null, l0, l2, 1); mv.visitMaxs(1 + fm.bcFieldSize(), 1 + fm.bcFieldSize()); mv.visitEnd(); mv = cw.visitMethod(ACC_PUBLIC, "get" + fm.titleFieldName(), "()" + fm.bcLFieldType(), null, null); mv.visitCode(); final Label l3 = new Label(); mv.visitLabel(l3); mv.visitLineNumber(45, l3); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, name + "Impl", "m_" + fm.fieldName(), fm.bcLFieldType()); mv.visitInsn(returnFor(fm.bcType())); final Label l4 = new Label(); mv.visitLabel(l4); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l3, l4, 0); mv.visitMaxs(1 + fm.bcFieldSize(), 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "index", "(J)V", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(175, l0); mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException"); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "()V"); mv.visitInsn(ATHROW); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0); mv.visitLocalVariable("n", "J", null, l0, l1, 1); mv.visitMaxs(2, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "index", "()J", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(180, l0); mv.visitInsn(LCONST_0); mv.visitInsn(LRETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0); mv.visitMaxs(2, 1); mv.visitEnd(); } appendToStringHashCodeEqualsCopyOf(tm, cw, name + "Impl", false); { mv = cw.visitMethod(ACC_PUBLIC, "hugeElementType", "()L" + collections + "api/HugeElementType;", null, null); mv.visitCode(); final Label l0 = new Label(); mv.visitLabel(l0); mv.visitLineNumber(236, l0); mv.visitFieldInsn(GETSTATIC, collections + "api/HugeElementType", "BeanImpl", "L" + collections + "api/HugeElementType;"); mv.visitInsn(ARETURN); final Label l1 = new Label(); mv.visitLabel(l1); mv.visitLocalVariable("this", "L" + name + "Impl;", null, l0, l1, 0); mv.visitMaxs(1, 1); mv.visitEnd(); } cw.visitEnd(); final byte[] bytes = cw.toByteArray(); // ClassReader cr = new ClassReader(bytes); // cr.accept(new ASMifierClassVisitor(new PrintWriter(System.out)), 0); return bytes; }
From source file:de.chimos.property.compiler.passtwo.javafx.PassTwoJFXClassVisitor.java
License:Open Source License
protected void generatePropertyMethod(PropertyInfo property) { MethodVisitor mv = cv.visitMethod(property.writeAccessLevel + ACC_FINAL, property.propertyMethodName, "()" + property.propertyInterfaceSignature, property.propertyInterfaceSignatureGeneric != null ? "()" + property.propertyInterfaceSignatureGeneric : null,/*w w w . ja va 2 s. c o m*/ null); { AnnotationVisitor av0 = mv.visitAnnotation("L" + Property.class.getName().replace('.', '/') + ";", true); av0.visit("writeable", Boolean.TRUE); av0.visit("name", property.propertyName); av0.visit("dataSignature", property.dataSignature); av0.visit("dataSignatureGeneric", property.dataSignatureGeneric != null ? property.dataSignatureGeneric : ""); av0.visit("humanReadableName", property.humanReadablePropertyName != null ? property.humanReadablePropertyName : ""); av0.visitEnd(); } mv.visitCode(); Label l0 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature); Label l1 = new Label(); mv.visitJumpInsn(IFNONNULL, l1); Label l2 = new Label(); mv.visitLabel(l2); mv.visitVarInsn(ALOAD, 0); mv.visitTypeInsn(NEW, property.propertyDataType); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitLdcInsn(property.propertyName); mv.visitMethodInsn(INVOKESPECIAL, property.propertyDataType, "<init>", "(Ljava/lang/Object;Ljava/lang/String;)V"); mv.visitFieldInsn(PUTFIELD, className, property.propertyFieldName, property.propertyDataSignature); mv.visitLabel(l1); mv.visitFrame(F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, className, property.propertyFieldName, property.propertyDataSignature); mv.visitTypeInsn(CHECKCAST, property.propertyInterfaceType); mv.visitInsn(ARETURN); Label l3 = new Label(); mv.visitLabel(l3); mv.visitLocalVariable("this", "L" + className + ";", null, l0, l3, 0); mv.visitMaxs(5, 1); mv.visitEnd(); }