private static <T> void appendCellValue( CellSetter<T>[] setters, boolean ignoreException, ClassWriter cw, String classType) { MethodVisitor mv; mv = cw.visitMethod(ACC_PUBLIC, "cellValue", "([CIII)V", null, null); mv.visitCode(); if (setters.length != 0) { if (ignoreException) { callCellValue(mv, classType); } else { Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception"); mv.visitLabel(l0); callCellValue(mv, classType); mv.visitLabel(l1); Label l3 = new Label(); mv.visitJumpInsn(GOTO, l3); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/Exception"}); mv.visitVarInsn(ASTORE, 5); mv.visitVarInsn(ALOAD, 0); mv.visitVarInsn(ILOAD, 4); mv.visitVarInsn(ALOAD, 5); mv.visitMethodInsn( INVOKEVIRTUAL, classType, "fieldError", "(ILjava/lang/Exception;)V", false); mv.visitLabel(l3); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); } } mv.visitInsn(RETURN); mv.visitMaxs(5, 6); mv.visitEnd(); }
@Override public void nodeDispatch(String suffix, int divide, int start, int end) { MethodVisitor mv; mv = cw.visitMethod(ACC_PRIVATE, name() + suffix, signature(), null, null); mv.visitCode(); Label startLabel = new Label(); mv.visitLabel(startLabel); final int powerOfTwo = Integer.numberOfTrailingZeros(divide); int sStart = start >> powerOfTwo; int sEnd = end >> powerOfTwo; int left = end - (sEnd << powerOfTwo); if (left > 0) { sEnd++; } Label[] labels = newLabels(sEnd - sStart); Label defaultLabel = new Label(); mv.visitVarInsn(ILOAD, argIndex()); int sub = leafStart(); if (sub != 0) { AsmUtils.addIndex(mv, sub); mv.visitInsn(ISUB); } AsmUtils.addIndex(mv, powerOfTwo); mv.visitInsn(ISHR); mv.visitVarInsn(ISTORE, maxArgIndex() + 1); mv.visitVarInsn(ILOAD, maxArgIndex() + 1); mv.visitTableSwitchInsn(sStart, sEnd - 1, defaultLabel, labels); for (int i = sStart; i < sEnd; i++) { int estart = i << powerOfTwo; int eend = Math.min(end, (i + 1) << powerOfTwo); mv.visitLabel(labels[i - sStart]); if (i == start) { mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] {Opcodes.INTEGER}, 0, null); } else { mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); } loadArguments(mv); mv.visitMethodInsn( INVOKESPECIAL, classType, name() + (divide / maxMethodSize) + "n" + estart + "t" + eend, signature(), false); if (isVoid()) { if (i < (sEnd - 1)) { mv.visitJumpInsn(GOTO, defaultLabel); } } else { mv.visitInsn(ARETURN); } } mv.visitLabel(defaultLabel); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); if (isVoid()) { mv.visitInsn(RETURN); } else { mv.visitInsn(ACONST_NULL); mv.visitInsn(ARETURN); } Label endLabel = new Label(); mv.visitLabel(endLabel); appendDebugInfo(mv, startLabel, endLabel); mv.visitMaxs(6, 5); mv.visitEnd(); }