List of usage examples for org.objectweb.asm MethodVisitor visitCode
public void visitCode()
From source file:com.ibm.layout.GenPrimArray1D.java
License:Open Source License
/** * Generate bytecodes for runtime class/*from w w w . j a v a 2 s. c o m*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS); FieldVisitor fv; MethodVisitor mv; final boolean itf = false; cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, null, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "length", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(J)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(RETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "getLength", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } if (byte.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)B", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getByte", "(Ljava/lang/Object;J)B", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JB)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putByte", "(Ljava/lang/Object;JB)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LCONST_1); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/ByteArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (boolean.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)Z", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getBoolean", "(Ljava/lang/Object;J)Z", itf); mv.visitInsn(IRETURN); mv.visitMaxs(6, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JZ)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putBoolean", "(Ljava/lang/Object;JZ)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(6, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(5, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/BooleanArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (short.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)S", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getShort", "(Ljava/lang/Object;J)S", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JS)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putShort", "(Ljava/lang/Object;JS)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/ShortArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (char.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)C", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getChar", "(Ljava/lang/Object;J)C", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JC)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putChar", "(Ljava/lang/Object;JC)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(2L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/CharArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (int.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)I", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getInt", "(Ljava/lang/Object;J)I", itf); mv.visitInsn(IRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JI)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putInt", "(Ljava/lang/Object;JI)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/IntArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (long.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)J", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getLong", "(Ljava/lang/Object;J)J", itf); mv.visitInsn(LRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JJ)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putLong", "(Ljava/lang/Object;JJ)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/LongArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (float.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)F", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getFloat", "(Ljava/lang/Object;J)F", itf); mv.visitInsn(FRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JF)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(FLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putFloat", "(Ljava/lang/Object;JF)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(4L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/FloatArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else if (double.class == elementInterfaceClass) { { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)D", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "getDouble", "(Ljava/lang/Object;J)D", itf); mv.visitInsn(DRETURN); mv.visitMaxs(8, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JD)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, this.arrayImplClassName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", itf); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", itf); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitInsn(LADD); mv.visitVarInsn(DLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "putDouble", "(Ljava/lang/Object;JD)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)L" + this.arrayInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, this.arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(J)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitLdcInsn(new Long(8L)); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, this.arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "range", "(JJ)Lcom/ibm/layout/DoubleArray1D;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(LLOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "range", "(JJ)L" + arrayInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } } else { throw new Exception(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.GenVLArray.java
License:Open Source License
/** * Generate bytecodes for runtime class/* w ww . j av a 2s.c o m*/ * * @return byte array containing bytecodes for runtime class * @throws Exception */ public byte[] genBytecode() throws Exception { ClassWriter cw = new ClassWriter(0); MethodVisitor mv; FieldVisitor fv; final boolean itf = false; /* If user-defined array class is supplied, use it as superclass, and use its name instead of generating it */ cw.visit(V1_8, ACC_FINAL + ACC_SUPER, arrayImplClassName, arrayInterfaceClassSig, "java/lang/Object", new String[] { arrayInterfaceClassName }); { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "length", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED + ACC_FINAL, "elementSize", "J", null, null); fv.visitEnd(); } { fv = cw.visitField(ACC_PRIVATE, "arraySize", "J", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PROTECTED, "<init>", "(JJ)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "elementSize", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "length", "J"); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LMUL); mv.visitFieldInsn(PUTFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(RETURN); mv.visitMaxs(5, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "sizeof", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "arraySize", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "getComponentType", "()Ljava/lang/Class;", "()Ljava/lang/Class<*>;", null); mv.visitCode(); mv.visitLdcInsn(Type.getType("L" + elementInterfaceClassName + ";")); mv.visitInsn(ARETURN); mv.visitMaxs(1, 0); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "getVLALength", "()J", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LRETURN); mv.visitMaxs(2, 1); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "at", "(J)L" + elementInterfaceClassName + ";", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", false); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", false); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ARETURN); mv.visitMaxs(8, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "range", "(JJ)Lcom/ibm/layout/Array1D;", "(JJ)Lcom/ibm/layout/Array1D<" + elementInterfaceClassName + ";>;", null); mv.visitCode(); mv.visitTypeInsn(NEW, arrayImplClassName); mv.visitInsn(DUP); mv.visitVarInsn(LLOAD, 3); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, this.arrayImplClassName, "elementSize", "J"); mv.visitMethodInsn(INVOKESPECIAL, this.arrayImplClassName, "<init>", "(JJ)V", itf); mv.visitVarInsn(ASTORE, 5); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", itf); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 5); mv.visitVarInsn(ALOAD, 6); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", itf); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ARETURN); mv.visitMaxs(7, 7); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JLcom/ibm/layout/Layout;)V", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, elementImplClassName); mv.visitInsn(DUP); mv.visitMethodInsn(INVOKESPECIAL, elementImplClassName, "<init>", "()V", false); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitTypeInsn(NEW, "com/ibm/layout/Location"); mv.visitInsn(DUP); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "location", "Lcom/ibm/layout/Location;"); mv.visitVarInsn(LLOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "elementSize", "J"); mv.visitInsn(LMUL); mv.visitMethodInsn(INVOKESPECIAL, "com/ibm/layout/Location", "<init>", "(Lcom/ibm/layout/Location;J)V", false); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "bindLocation", "(Lcom/ibm/layout/Location;)V", false); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(Lcom/ibm/layout/Layout;)V", false); mv.visitInsn(RETURN); mv.visitMaxs(8, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "put", "(JL" + elementInterfaceClassName + ";)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitVarInsn(ALOAD, 3); mv.visitTypeInsn(CHECKCAST, elementImplClassName); mv.visitMethodInsn(INVOKEVIRTUAL, elementImplClassName, "copyFrom", "(L" + elementImplClassName + ";)V", itf); mv.visitInsn(RETURN); mv.visitMaxs(3, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "at", "(J)Lcom/ibm/layout/Layout;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", itf); mv.visitInsn(ARETURN); mv.visitMaxs(3, 3); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); mv.visitCode(); mv.visitTypeInsn(NEW, "java/lang/StringBuffer"); mv.visitInsn(DUP); mv.visitLdcInsn("["); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuffer", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ASTORE, 1); mv.visitInsn(LCONST_0); mv.visitVarInsn(LSTORE, 2); Label l0 = new Label(); mv.visitJumpInsn(GOTO, l0); Label l1 = new Label(); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/StringBuffer", Opcodes.LONG }, 0, null); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(NEW, "java/lang/StringBuilder"); mv.visitInsn(DUP); mv.visitLdcInsn(" "); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, arrayImplClassName, "at", "(J)L" + elementInterfaceClassName + ";", false); mv.visitMethodInsn(INVOKEINTERFACE, elementInterfaceClassName, "toString", "()Ljava/lang/String;", true); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(LLOAD, 2); mv.visitInsn(LCONST_1); mv.visitInsn(LADD); mv.visitVarInsn(LSTORE, 2); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(LLOAD, 2); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, arrayImplClassName, "length", "J"); mv.visitInsn(LCMP); mv.visitJumpInsn(IFLT, l1); mv.visitVarInsn(ALOAD, 1); mv.visitLdcInsn(" ]"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "append", "(Ljava/lang/String;)Ljava/lang/StringBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuffer", "toString", "()Ljava/lang/String;", false); mv.visitInsn(ARETURN); mv.visitMaxs(5, 4); mv.visitEnd(); } ImplHelper.genLayoutTypeImpl(cw, mv, fv, arrayImplClassName, false); cw.visitEnd(); return cw.toByteArray(); }
From source file:com.ibm.layout.ImplHelper.java
License:Open Source License
static void getLayoutImpl(ClassVisitor cw, MethodVisitor mv, String typeName) { {//from w w w.j a v a2s . c o m mv = cw.visitMethod(ACC_PUBLIC, "copyFrom", "(Lcom/ibm/layout/Layout;)V", null, null); mv.visitCode(); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, typeName); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(ALOAD, 1); mv.visitTypeInsn(CHECKCAST, typeName); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", false); mv.visitInsn(RETURN); mv.visitMaxs(9, 2); mv.visitEnd(); } }
From source file:com.ibm.layout.ImplHelper.java
License:Open Source License
static void genLayoutTypeImpl(ClassVisitor cw, MethodVisitor mv, FieldVisitor fv, String typeName, boolean layoutContainsVLA) { {// w w w . jav a 2 s . c om fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC, "unsafe", "Lsun/misc/Unsafe;", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "containsVLA", "()Z", null, null); mv.visitCode(); //if layout contains VLA return true, otherwise false if (layoutContainsVLA) { mv.visitInsn(ICONST_1); } else { mv.visitInsn(ICONST_0); } mv.visitInsn(IRETURN); mv.visitMaxs(1, 1); mv.visitEnd(); } { fv = cw.visitField(ACC_PROTECTED, "location", "Lcom/ibm/layout/Location;", null, null); fv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC, "bindLocation", "(Lcom/ibm/layout/Location;)V", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 1); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "checkDataFits", "(J)Z", false); Label l0 = new Label(); mv.visitJumpInsn(IFEQ, l0); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ALOAD, 1); mv.visitFieldInsn(PUTFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(RETURN); mv.visitMaxs(3, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "writeToByteArray", "(J[BII)I", null, null); mv.visitCode(); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(LCMP); Label l0 = new Label(); mv.visitJumpInsn(IFLE, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(L2I); mv.visitVarInsn(ISTORE, 5); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l1 = new Label(); mv.visitJumpInsn(IFNULL, l1); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(L2I); mv.visitVarInsn(ALOAD, 3); mv.visitVarInsn(ILOAD, 4); mv.visitVarInsn(ILOAD, 5); mv.visitMethodInsn(INVOKESTATIC, "java/lang/System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V", false); Label l2 = new Label(); mv.visitJumpInsn(GOTO, l2); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitInsn(ACONST_NULL); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ALOAD, 3); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "arrayBaseOffset", "(Ljava/lang/Class;)I", false); mv.visitInsn(I2L); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", false); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(IRETURN); mv.visitMaxs(9, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "readFromByteArray", "(J[BII)I", null, null); mv.visitCode(); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(LCMP); Label l0 = new Label(); mv.visitJumpInsn(IFLE, l0); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitInsn(L2I); mv.visitVarInsn(ISTORE, 5); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l1 = new Label(); mv.visitJumpInsn(IFNULL, l1); mv.visitVarInsn(ALOAD, 3); mv.visitVarInsn(ILOAD, 4); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(L2I); mv.visitVarInsn(ILOAD, 5); mv.visitMethodInsn(INVOKESTATIC, "java/lang/System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V", false); Label l2 = new Label(); mv.visitJumpInsn(GOTO, l2); mv.visitLabel(l1); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitFieldInsn(GETSTATIC, typeName, "unsafe", "Lsun/misc/Unsafe;"); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "arrayBaseOffset", "(Ljava/lang/Class;)I", false); mv.visitVarInsn(ILOAD, 4); mv.visitInsn(IADD); mv.visitInsn(I2L); mv.visitInsn(ACONST_NULL); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitInsn(LADD); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(I2L); mv.visitMethodInsn(INVOKEVIRTUAL, "sun/misc/Unsafe", "copyMemory", "(Ljava/lang/Object;JLjava/lang/Object;JJ)V", false); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ILOAD, 5); mv.visitInsn(IRETURN); mv.visitMaxs(9, 6); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "asByteBuffer", "()Ljava/nio/ByteBuffer;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l0 = new Label(); mv.visitJumpInsn(IFNULL, l0); mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException"); mv.visitInsn(DUP); mv.visitLdcInsn("not off-heap"); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(ATHROW); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, typeName, "sizeof", "()J", false); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/UnsafeHelper", "bufferFromAddress", "(JJ)Ljava/nio/ByteBuffer;", false); mv.visitVarInsn(ASTORE, 1); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKESTATIC, "java/nio/ByteOrder", "nativeOrder", "()Ljava/nio/ByteOrder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/nio/ByteBuffer", "order", "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 1); mv.visitInsn(ARETURN); mv.visitMaxs(4, 2); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL + ACC_STATIC, "asByteBuffer", "(Lcom/ibm/layout/Location;J)Ljava/nio/ByteBuffer;", null, null); mv.visitCode(); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getData", "()[B", false); Label l0 = new Label(); mv.visitJumpInsn(IFNULL, l0); mv.visitTypeInsn(NEW, "java/lang/UnsupportedOperationException"); mv.visitInsn(DUP); mv.visitLdcInsn("not off-heap"); mv.visitMethodInsn(INVOKESPECIAL, "java/lang/UnsupportedOperationException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(ATHROW); mv.visitLabel(l0); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(ALOAD, 0); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/Location", "getOffset", "()J", false); mv.visitVarInsn(LLOAD, 1); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/UnsafeHelper", "bufferFromAddress", "(JJ)Ljava/nio/ByteBuffer;", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitMethodInsn(INVOKESTATIC, "java/nio/ByteOrder", "nativeOrder", "()Ljava/nio/ByteOrder;", false); mv.visitMethodInsn(INVOKEVIRTUAL, "java/nio/ByteBuffer", "order", "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;", false); mv.visitInsn(POP); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ARETURN); mv.visitMaxs(4, 4); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "unsafeCast", "(Ljava/lang/Class;)Lcom/ibm/layout/Layout;", "<T::Lcom/ibm/layout/Layout;>(Ljava/lang/Class<TT;>;)TT;", null); mv.visitCode(); Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, "java/lang/NoSuchMethodException"); Label l3 = new Label(); mv.visitTryCatchBlock(l0, l1, l3, "java/lang/SecurityException"); Label l4 = new Label(); mv.visitTryCatchBlock(l0, l1, l4, "java/lang/InstantiationException"); Label l5 = new Label(); mv.visitTryCatchBlock(l0, l1, l5, "java/lang/IllegalAccessException"); Label l6 = new Label(); mv.visitTryCatchBlock(l0, l1, l6, "java/lang/IllegalArgumentException"); Label l7 = new Label(); mv.visitTryCatchBlock(l0, l1, l7, "java/lang/reflect/InvocationTargetException"); mv.visitLabel(l0); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/LayoutHelper", "getFactory", "()Lcom/ibm/layout/LayoutHelper;", false); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genLayoutImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 3); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 3); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Layout"); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Layout", "bindLocation", "(Lcom/ibm/layout/Location;)V", true); mv.visitVarInsn(ALOAD, 4); mv.visitLabel(l1); mv.visitInsn(ARETURN); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/NoSuchMethodException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/NoSuchMethodException", "printStackTrace", "()V", false); Label l8 = new Label(); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/SecurityException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/SecurityException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l4); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/InstantiationException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/InstantiationException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalAccessException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalAccessException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalArgumentException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalArgumentException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l7); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/reflect/InvocationTargetException" }); mv.visitVarInsn(ASTORE, 2); mv.visitVarInsn(ALOAD, 2); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "printStackTrace", "()V", false); mv.visitLabel(l8); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(ACONST_NULL); mv.visitInsn(ARETURN); mv.visitMaxs(2, 5); mv.visitEnd(); } { mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "unsafeCast", "(Ljava/lang/Class;J)Lcom/ibm/layout/Array1D;", "<T::Lcom/ibm/layout/Layout;>(Ljava/lang/Class<TT;>;J)Lcom/ibm/layout/Array1D<TT;>;", null); mv.visitCode(); Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, "java/lang/NoSuchMethodException"); Label l3 = new Label(); mv.visitTryCatchBlock(l0, l1, l3, "java/lang/SecurityException"); Label l4 = new Label(); mv.visitTryCatchBlock(l0, l1, l4, "java/lang/InstantiationException"); Label l5 = new Label(); mv.visitTryCatchBlock(l0, l1, l5, "java/lang/IllegalAccessException"); Label l6 = new Label(); mv.visitTryCatchBlock(l0, l1, l6, "java/lang/IllegalArgumentException"); Label l7 = new Label(); mv.visitTryCatchBlock(l0, l1, l7, "java/lang/reflect/InvocationTargetException"); mv.visitLabel(l0); mv.visitMethodInsn(INVOKESTATIC, "com/ibm/layout/LayoutHelper", "getFactory", "()Lcom/ibm/layout/LayoutHelper;", false); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genLayoutImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 5); mv.visitVarInsn(ALOAD, 5); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 6); mv.visitVarInsn(ALOAD, 6); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 6); mv.visitInsn(ICONST_0); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Layout"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Layout", "sizeof", "()J", true); mv.visitVarInsn(LSTORE, 7); mv.visitVarInsn(ALOAD, 4); mv.visitVarInsn(ALOAD, 1); mv.visitMethodInsn(INVOKEVIRTUAL, "com/ibm/layout/LayoutHelper", "genArray1DImpl", "(Ljava/lang/Class;)Ljava/lang/Class;", false); mv.visitVarInsn(ASTORE, 9); mv.visitVarInsn(ALOAD, 9); mv.visitInsn(ICONST_2); mv.visitTypeInsn(ANEWARRAY, "java/lang/Class"); mv.visitInsn(DUP); mv.visitInsn(ICONST_0); mv.visitFieldInsn(GETSTATIC, "java/lang/Long", "TYPE", "Ljava/lang/Class;"); mv.visitInsn(AASTORE); mv.visitInsn(DUP); mv.visitInsn(ICONST_1); mv.visitFieldInsn(GETSTATIC, "java/lang/Long", "TYPE", "Ljava/lang/Class;"); mv.visitInsn(AASTORE); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredConstructor", "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;", false); mv.visitVarInsn(ASTORE, 10); mv.visitVarInsn(ALOAD, 10); mv.visitInsn(ICONST_1); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "setAccessible", "(Z)V", false); mv.visitVarInsn(ALOAD, 10); mv.visitInsn(ICONST_2); mv.visitTypeInsn(ANEWARRAY, "java/lang/Object"); mv.visitInsn(DUP); mv.visitInsn(ICONST_0); mv.visitVarInsn(LLOAD, 2); mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false); mv.visitInsn(AASTORE); mv.visitInsn(DUP); mv.visitInsn(ICONST_1); mv.visitVarInsn(LLOAD, 7); mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false); mv.visitInsn(AASTORE); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance", "([Ljava/lang/Object;)Ljava/lang/Object;", false); mv.visitTypeInsn(CHECKCAST, "com/ibm/layout/Array1D"); mv.visitVarInsn(ASTORE, 11); mv.visitVarInsn(ALOAD, 11); mv.visitVarInsn(ALOAD, 0); mv.visitFieldInsn(GETFIELD, typeName, "location", "Lcom/ibm/layout/Location;"); mv.visitMethodInsn(INVOKEINTERFACE, "com/ibm/layout/Array1D", "bindLocation", "(Lcom/ibm/layout/Location;)V", true); mv.visitVarInsn(ALOAD, 11); mv.visitLabel(l1); mv.visitInsn(ARETURN); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/NoSuchMethodException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/NoSuchMethodException", "printStackTrace", "()V", false); Label l8 = new Label(); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/SecurityException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/SecurityException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l4); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/InstantiationException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/InstantiationException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalAccessException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalAccessException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/IllegalArgumentException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/IllegalArgumentException", "printStackTrace", "()V", false); mv.visitJumpInsn(GOTO, l8); mv.visitLabel(l7); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/reflect/InvocationTargetException" }); mv.visitVarInsn(ASTORE, 4); mv.visitVarInsn(ALOAD, 4); mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "printStackTrace", "()V", false); mv.visitLabel(l8); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitInsn(ACONST_NULL); mv.visitInsn(ARETURN); mv.visitMaxs(6, 12); mv.visitEnd(); } }
From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java
License:Open Source License
/** * generate init./* w ww.j a va 2 s .c o m*/ * <p> * This inits the class members and assigns class members, such as the ExecutionContext. * </p> * <p> * <code> * public ExecutionContext executionContext = new ExecutionContext(); * </code> * </p> */ protected void generateInit(String className, ClassWriter classWriter) throws Exception { try { final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); /* * call init() */ final Label l0 = new Label(); methodVisitor.visitLabel(l0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); /* * create a new execution context and assign it */ final Label l1 = new Label(); methodVisitor.visitLabel(l1); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitTypeInsn(Opcodes.NEW, RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT, "<init>", "()V"); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, className, RTLHelper.EXECUTIONCONTEXT_NAME, RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT_TYPE); /* * return */ final Label l2 = new Label(); methodVisitor.visitLabel(l2); methodVisitor.visitLineNumber(8, l2); methodVisitor.visitInsn(Opcodes.RETURN); /* * declare variables */ final Label l3 = new Label(); methodVisitor.visitLabel(l3); methodVisitor.visitLocalVariable("this", "L" + className + ";", null, l0, l3, 0); methodVisitor.visitMaxs(3, 1); methodVisitor.visitEnd(); } catch (final Exception e) { throw new Exception("Exception in generateInit", e); } }
From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java
License:Open Source License
/** * generate void main(String[])// w w w. ja va 2 s .co m * <p> * <code> * public static void main(String[] args) { * ExampleProgram exampleProgram = new ExampleProgram(); * try { * exampleProgram.inputStream = System.in; * exampleProgram.outputStream = System.out; * exampleProgram.program(); * } catch (Exception e) { * e.printStackTrace(); * } * } * </code> * </p> */ protected void generateMain(String classname, ClassWriter classWriter) throws Exception { try { /* * make method */ final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); methodVisitor.visitCode(); final Label l0 = new Label(); final Label l1 = new Label(); final Label l2 = new Label(); methodVisitor.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception"); final Label l3 = new Label(); methodVisitor.visitLabel(l3); /* * declare a local instance of the class in the void() main, store as variable 1. */ methodVisitor.visitTypeInsn(Opcodes.NEW, classname); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, classname, "<init>", "()V"); methodVisitor.visitVarInsn(Opcodes.ASTORE, 1); /* * assign the input stream */ methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "in", "Ljava/io/InputStream;"); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, classname, "inputStream", "Ljava/io/InputStream;"); /* * assign the output stream */ methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;"); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, classname, "outputStream", "Ljava/io/PrintStream;"); /* * load the class instance from variable 1 and call "program" */ methodVisitor.visitLabel(l0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, classname, "program", "()V"); methodVisitor.visitLabel(l1); final Label l4 = new Label(); methodVisitor.visitJumpInsn(Opcodes.GOTO, l4); methodVisitor.visitLabel(l2); methodVisitor.visitFrame(Opcodes.F_FULL, 2, new Object[] { "[Ljava/lang/String;", classname }, 1, new Object[] { "java/lang/Exception" }); methodVisitor.visitVarInsn(Opcodes.ASTORE, 2); final Label l5 = new Label(); methodVisitor.visitLabel(l5); methodVisitor.visitLineNumber(21, l5); methodVisitor.visitVarInsn(Opcodes.ALOAD, 2); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Exception", "printStackTrace", "()V"); /* * return */ methodVisitor.visitLabel(l4); methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); methodVisitor.visitInsn(Opcodes.RETURN); /* * declare the parameters */ final Label l6 = new Label(); methodVisitor.visitLabel(l6); methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, l3, l6, 0); methodVisitor.visitLocalVariable("exampleProgram", "L" + classname + ";", null, l0, l6, 1); methodVisitor.visitLocalVariable("e", "Ljava/lang/Exception;", null, l5, l4, 2); /* * done */ methodVisitor.visitMaxs(2, 3); methodVisitor.visitEnd(); } catch (final Exception e) { throw new Exception("Exception in generateMain", e); } }
From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java
License:Open Source License
/** * Generate program// ww w . j a v a2s . co m * <p> * Java prototype is "public program()" * </p> */ protected void generateProgram(String classname, ClassWriter classWriter, ProgContext progContext) throws Exception { try { final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "program", "()V", null, new String[] { "java/lang/Exception" }); methodVisitor.visitCode(); /* * label for the start of the method */ final Label l0 = new Label(); methodVisitor.visitLabel(l0); /* * do the static analysis */ final StaticAnalysis programStaticAnalysis = new StaticAnalysis(); programStaticAnalysis.performStaticAnalysis(progContext); /* * show the static analysis */ logger.info("Static analyis results for '" + classname + "'"); programStaticAnalysis.showAnalysisResults(); /* * recurse into the parse tree */ final Function function = new progRule(); final GenerationContext generationContext = new GenerationContext(classname, methodVisitor, classWriter, progContext, programStaticAnalysis); function.execute(generationContext); /* * return */ final Label l1 = new Label(); methodVisitor.visitLabel(l1); methodVisitor.visitInsn(Opcodes.RETURN); /* * declare the *this* local variable */ final Label l2 = new Label(); methodVisitor.visitLabel(l2); methodVisitor.visitLocalVariable("this", "L" + classname + ";", null, l0, l2, 0); /* * show all the other local variables */ logger.info("JVM local variables"); for (int i = 1; i < (GenerationContext.getLocalvariables().size() + 1); i++) { final LocalVariableDeclaration lvd = GenerationContext.getLocalvariables().get(i); logger.info("variable: " + lvd.getName() + " declared on line: " + lvd.getBasicLine() + " frame index: " + lvd.getIndex()); } /* * we are done */ methodVisitor.visitMaxs(0, 1); methodVisitor.visitEnd(); } catch (final Exception e) { throw new Exception("Exception in generateProgram", e); } }
From source file:com.liferay.alloy.mvc.jsonwebservice.AlloyControllerInvokerManager.java
License:Open Source License
protected byte[] generateAlloyControllerInvokerClassData(Class<?> controllerClass, String alloyControllerInvokerClassName) throws NoClassNecessaryException { boolean jsonWebServiceMethodsPresent = false; ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES); String alloyControllerInvokerClassBinaryName = getClassBinaryName(alloyControllerInvokerClassName); String baseAlloyControllerInvokerClassBinaryName = getClassBinaryName( BaseAlloyControllerInvokerImpl.class.getName()); classWriter.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, alloyControllerInvokerClassBinaryName, null, baseAlloyControllerInvokerClassBinaryName, null); MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, baseAlloyControllerInvokerClassBinaryName, "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(1, 1);/*w ww . j a va 2 s . co m*/ methodVisitor.visitEnd(); Method[] methods = controllerClass.getDeclaredMethods(); for (Method method : methods) { if (!Modifier.isPublic(method.getModifiers())) { continue; } JSONWebServiceMethod jsonWebServiceMethod = method.getAnnotation(JSONWebServiceMethod.class); if (jsonWebServiceMethod == null) { continue; } jsonWebServiceMethodsPresent = true; Class<?>[] parameterTypes = jsonWebServiceMethod.parameterTypes(); StringBundler sb = new StringBundler(parameterTypes.length + 3); sb.append(StringPool.OPEN_PARENTHESIS); for (Class<?> parameterType : parameterTypes) { sb.append(Type.getDescriptor(parameterType)); } sb.append(StringPool.CLOSE_PARENTHESIS); sb.append(Type.getDescriptor(JSONSerializable.class)); String methodDescriptor = sb.toString(); methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, method.getName(), methodDescriptor, null, new String[] { getClassBinaryName(Exception.class.getName()) }); methodVisitor.visitCode(); for (int i = 0; i < parameterTypes.length; i++) { String parameterName = jsonWebServiceMethod.parameterNames()[i]; Class<?> parameterType = parameterTypes[i]; methodVisitor.visitLocalVariable(parameterName, Type.getDescriptor(parameterType), null, new Label(), new Label(), i + 1); } methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitLdcInsn(jsonWebServiceMethod.lifecycle()); methodVisitor.visitIntInsn(Opcodes.BIPUSH, parameterTypes.length * 2 + 2); methodVisitor.visitTypeInsn(Opcodes.ANEWARRAY, getClassBinaryName(Object.class.getName())); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitInsn(Opcodes.ICONST_0); methodVisitor.visitLdcInsn("action"); methodVisitor.visitInsn(Opcodes.AASTORE); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitInsn(Opcodes.ICONST_1); methodVisitor.visitLdcInsn(method.getName()); methodVisitor.visitInsn(Opcodes.AASTORE); for (int i = 0; i < parameterTypes.length; i++) { String parameterName = jsonWebServiceMethod.parameterNames()[i]; methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitIntInsn(Opcodes.BIPUSH, (i + 1) * 2); methodVisitor.visitLdcInsn(parameterName); methodVisitor.visitInsn(Opcodes.AASTORE); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitIntInsn(Opcodes.BIPUSH, (i + 1) * 2 + 1); methodVisitor.visitVarInsn(Opcodes.ALOAD, i + 1); methodVisitor.visitInsn(Opcodes.AASTORE); } sb = new StringBundler(5); sb.append(StringPool.OPEN_PARENTHESIS); sb.append(Type.getDescriptor(String.class)); sb.append(Type.getDescriptor(Object[].class)); sb.append(StringPool.CLOSE_PARENTHESIS); sb.append(Type.getDescriptor(JSONSerializable.class)); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, alloyControllerInvokerClassBinaryName, "invokeAlloyController", sb.toString()); methodVisitor.visitInsn(Opcodes.ARETURN); methodVisitor.visitMaxs(-1, -1); methodVisitor.visitEnd(); } classWriter.visitEnd(); if (!jsonWebServiceMethodsPresent) { throw new NoClassNecessaryException(); } return classWriter.toByteArray(); }
From source file:com.liferay.portal.upgrade.test.BaseBuildAutoUpgradeTestCase.java
License:Open Source License
private void _initTableColumns(MethodVisitor methodVisitor, Object[][] tableColumns) { methodVisitor.visitCode(); methodVisitor.visitInsn(Opcodes.ICONST_0 + tableColumns.length); methodVisitor.visitTypeInsn(Opcodes.ANEWARRAY, Type.getDescriptor(Object[].class)); methodVisitor.visitInsn(Opcodes.DUP); for (int i = 0; i < tableColumns.length; i++) { Object[] tableColumn = tableColumns[i]; methodVisitor.visitInsn(Opcodes.ICONST_0 + i); methodVisitor.visitInsn(Opcodes.ICONST_2); methodVisitor.visitTypeInsn(Opcodes.ANEWARRAY, Type.getInternalName(Object.class)); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitInsn(Opcodes.ICONST_0); methodVisitor.visitLdcInsn(tableColumn[0]); methodVisitor.visitInsn(Opcodes.AASTORE); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitInsn(Opcodes.ICONST_1); methodVisitor.visitIntInsn(Opcodes.BIPUSH, (Integer) tableColumn[1]); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Integer.class), "valueOf", Type.getMethodDescriptor(Type.getType(Integer.class), Type.INT_TYPE), false); methodVisitor.visitInsn(Opcodes.AASTORE); methodVisitor.visitInsn(Opcodes.AASTORE); if (i < (tableColumns.length - 1)) { methodVisitor.visitInsn(Opcodes.DUP); }// w w w .ja v a 2 s. co m } methodVisitor.visitFieldInsn(Opcodes.PUTSTATIC, Type.getInternalName(BuildAutoUpgradeTestEntityModelImpl.class), "TABLE_COLUMNS", Type.getDescriptor(Object[][].class)); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); }
From source file:com.lucidtechnics.blackboard.TargetConstructor.java
License:Apache License
private static final byte[] createWrapperObjectByteArray(String _targetName, Class _class) { ClassWriter classWriter = new ClassWriter(true); FieldVisitor fieldVisitor;/* w w w.j ava 2 s . c o m*/ MethodVisitor methodVisitor; String superClassName = _class.getCanonicalName().replaceAll("\\.", "/"); String[] superClassNameParts = superClassName.split("/"); String simpleClassName = superClassNameParts[superClassNameParts.length - 1]; String blackboardSubClassName = "com/lucidtechnics/blackboard/wrapper/" + superClassName + "Wrapper"; classWriter.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, blackboardSubClassName, null, superClassName, new String[] { "com/lucidtechnics/blackboard/Target" }); classWriter.visitSource(simpleClassName, null); { fieldVisitor = classWriter.visitField(Opcodes.ACC_PRIVATE, "blackboardObject", "Ljava/lang/Object;", null, null); fieldVisitor.visitEnd(); } { fieldVisitor = classWriter.visitField(Opcodes.ACC_PRIVATE, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;", null, null); fieldVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "getBlackboardObject", "()Ljava/lang/Object;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitFieldInsn(Opcodes.GETFIELD, blackboardSubClassName, "blackboardObject", "Ljava/lang/Object;"); methodVisitor.visitInsn(Opcodes.ARETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitFieldInsn(Opcodes.GETFIELD, blackboardSubClassName, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitInsn(Opcodes.ARETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "setBlackboardObject", "(Ljava/lang/Object;)V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, blackboardSubClassName, "blackboardObject", "Ljava/lang/Object;"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "setIntercepter", "(Lcom/lucidtechnics/blackboard/Intercepter;)V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitVarInsn(Opcodes.ALOAD, 1); methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, blackboardSubClassName, "intercepter", "Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, superClassName, "<init>", "()V"); methodVisitor.visitInsn(Opcodes.RETURN); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } List mutatorMethodList = findMutatorMethods(_class); Iterator mutatorMethods = mutatorMethodList.iterator(); while (mutatorMethods.hasNext() == true) { Method method = (Method) mutatorMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterType = signature.getArgumentTypes()[0].getDescriptor(); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + parameterType + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;"); Label l1 = new Label(); methodVisitor.visitJumpInsn(Opcodes.IFNULL, l1); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getIntercepter", "()Lcom/lucidtechnics/blackboard/Intercepter;"); methodVisitor.visitLdcInsn(superClassName); methodVisitor.visitLdcInsn(blackboardSubClassName); methodVisitor.visitLdcInsn(methodName); methodVisitor.visitLdcInsn(_targetName); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); int tempOpCode = getLoadOpcode(parameterType); methodVisitor.visitVarInsn(tempOpCode, 1); if (tempOpCode == Opcodes.ALOAD) { //this is an object. methodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/lucidtechnics/blackboard/Intercepter", "monitor", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V"); } else { //it is a primitive. methodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, "com/lucidtechnics/blackboard/Intercepter", "monitor", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;" + parameterType + ")V"); } methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitTypeInsn(Opcodes.CHECKCAST, superClassName); methodVisitor.visitVarInsn(getLoadOpcode(parameterType), 1); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, superClassName, methodName, "(" + parameterType + ")" + returnType); methodVisitor.visitLabel(l1); methodVisitor.visitInsn(getReturnOpcode(returnType)); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } List otherPublicMethodList = findOtherPublicMethods(_class); Iterator otherPublicMethods = otherPublicMethodList.iterator(); while (otherPublicMethods.hasNext() == true) { Method method = (Method) otherPublicMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterTypes = constructParameterTypes(signature.getArgumentTypes()); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); if (logger.isDebugEnabled() == true) { logger.debug("Processing method: " + methodName); } if (logger.isDebugEnabled() == true) { logger.debug("Parameter types are: " + parameterTypes); } if ("toString".equalsIgnoreCase(methodName) == false) { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + parameterTypes + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitTypeInsn(Opcodes.CHECKCAST, superClassName); methodVisitor.visitVarInsn(Opcodes.ASTORE, signature.getArgumentTypes().length + 1); methodVisitor.visitVarInsn(Opcodes.ALOAD, signature.getArgumentTypes().length + 1); loadParameters(methodVisitor, signature.getArgumentTypes()); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, superClassName, methodName, "(" + parameterTypes + ")" + returnType); methodVisitor.visitInsn(getReturnOpcode(returnType)); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } List protectedMethodList = findProtectedMethods(_class); Iterator protectedMethods = protectedMethodList.iterator(); while (protectedMethods.hasNext() == true) { Method method = (Method) protectedMethods.next(); MethodInfo methodInfo = (MethodInfo) MethodInfoTransformer.getInstance().transform(method); Signature signature = methodInfo.getSignature(); String methodName = signature.getName(); String parameterTypes = constructParameterTypes(signature.getArgumentTypes()); String returnType = signature.getReturnType().getDescriptor(); String[] exceptionTypeArray = createExceptionTypeArray(methodInfo.getExceptionTypes()); if (logger.isDebugEnabled() == true) { logger.debug("Processing method: " + methodName + " and parameter types are: " + parameterTypes); } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PROTECTED, methodName, "(" + parameterTypes + ")" + returnType, null, exceptionTypeArray); methodVisitor.visitCode(); methodVisitor.visitTypeInsn(Opcodes.NEW, "com/lucidtechnics/blackboard/BlackboardException"); methodVisitor.visitInsn(Opcodes.DUP); methodVisitor.visitLdcInsn("Unable to access protected methods on Blackboard object"); methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/lucidtechnics/blackboard/BlackboardException", "<init>", "(Ljava/lang/String;)V"); methodVisitor.visitInsn(Opcodes.ATHROW); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } } { methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null); methodVisitor.visitCode(); methodVisitor.visitVarInsn(Opcodes.ALOAD, 0); methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, blackboardSubClassName, "getBlackboardObject", "()Ljava/lang/Object;"); methodVisitor.visitMethodInsn(Opcodes.INVOKESTATIC, "com/lucidtechnics/blackboard/util/Utility", "toString", "(Ljava/lang/Object;)Ljava/lang/String;"); methodVisitor.visitInsn(getReturnOpcode("Ljava/lang/String;")); methodVisitor.visitMaxs(0, 0); methodVisitor.visitEnd(); } classWriter.visitEnd(); if (logger.isDebugEnabled() == true) { logger.debug("Finished creating new class: " + blackboardSubClassName + " for target class: " + superClassName + "."); } return classWriter.toByteArray(); }