Examples with MethodVisitor org.simpleflatmapper.ow2asm.MethodVisitor used on opensource projects

Example 16 with MethodVisitor

use of org.simpleflatmapper.ow2asm.MethodVisitor in project SimpleFlatMapper by arnaudroger.

the class CsvMapperCellHandlerBuilder method appendCellValue.

private static <T> void appendCellValue(CellSetter<T>[] setters, boolean ignoreException, ClassWriter cw, String classType) {
    MethodVisitor mv;
    mv = cw.visitMethod(Opcodes.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(Opcodes.GOTO, l3);
            mv.visitLabel(l2);
            mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/Exception" });
            mv.visitVarInsn(Opcodes.ASTORE, 5);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitVarInsn(Opcodes.ILOAD, 4);
            mv.visitVarInsn(Opcodes.ALOAD, 5);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, classType, "fieldError", "(ILjava/lang/Exception;)V", false);
            mv.visitLabel(l3);
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
    }
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(5, 6);
    mv.visitEnd();
}

Example 17 with MethodVisitor

use of org.simpleflatmapper.ow2asm.MethodVisitor in project SimpleFlatMapper by arnaudroger.

the class CsvMapperCellHandlerBuilder method appendGetDelayedCellSetter.

private static <T> void appendGetDelayedCellSetter(DelayedCellSetterFactory<T, ?>[] delayedCellSetters, ClassWriter cw, String targetType, String classType, int maxMethodSize) {
    MethodVisitor mv;
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getDelayedCellSetter", "(I)L" + DELAYED_CELL_SETTER_TYPE + ";", "(I)L" + DELAYED_CELL_SETTER_TYPE + "<L" + targetType + ";*>;", null);
    mv.visitCode();
    if (delayedCellSetters.length != 0) {
        final int switchStart = 0;
        final int switchEnd = delayedCellSetters.length;
        appendGetDelayedCellSetterSwitch(delayedCellSetters, classType, mv, switchStart, switchEnd);
    }
    mv.visitInsn(Opcodes.ACONST_NULL);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 2);
    mv.visitEnd();
}

Example 18 with MethodVisitor

use of org.simpleflatmapper.ow2asm.MethodVisitor in project SimpleFlatMapper by arnaudroger.

the class CsvMapperCellHandlerBuilder method appendApplyDelayedCellSetterN.

private static <T> void appendApplyDelayedCellSetterN(DelayedCellSetterFactory<T, ?>[] delayedCellSetters, ClassWriter cw, String classType) {
    MethodVisitor mv;
    for (int i = 0; i < delayedCellSetters.length; i++) {
        if (delayedCellSetters[i] != null) {
            mv = cw.visitMethod(Opcodes.ACC_PRIVATE, "applyDelayedCellSetter" + i, "()V", null, new String[] { "java/lang/Exception" });
            mv.visitCode();
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, classType, "delayedCellSetter" + i, "L" + DELAYED_CELL_SETTER_TYPE + ";");
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, classType, "currentInstance", "Ljava/lang/Object;");
            mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, DELAYED_CELL_SETTER_TYPE, "set", "(Ljava/lang/Object;)V", true);
            mv.visitInsn(Opcodes.RETURN);
            mv.visitMaxs(2, 1);
            mv.visitEnd();
        }
    }
}

Example 19 with MethodVisitor

use of org.simpleflatmapper.ow2asm.MethodVisitor in project SimpleFlatMapper by arnaudroger.

the class CsvMapperCellHandlerBuilder method appendDelayedCellValue.

private static <T> void appendDelayedCellValue(DelayedCellSetterFactory<T, ?>[] delayedCellSetters, boolean ignoreException, ClassWriter cw, String classType) {
    MethodVisitor mv;
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "delayedCellValue", "([CIII)V", null, null);
    mv.visitCode();
    if (delayedCellSetters.length != 0) {
        if (ignoreException) {
            callDelayedCellValue(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);
            callDelayedCellValue(mv, classType);
            mv.visitLabel(l1);
            Label l3 = new Label();
            mv.visitJumpInsn(Opcodes.GOTO, l3);
            mv.visitLabel(l2);
            mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/Exception" });
            mv.visitVarInsn(Opcodes.ASTORE, 5);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitVarInsn(Opcodes.ILOAD, 4);
            mv.visitVarInsn(Opcodes.ALOAD, 5);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, classType, "fieldError", "(ILjava/lang/Exception;)V", false);
            mv.visitLabel(l3);
            mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        }
    }
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(5, 6);
    mv.visitEnd();
}

Example 20 with MethodVisitor

use of org.simpleflatmapper.ow2asm.MethodVisitor in project SimpleFlatMapper by arnaudroger.

the class BiInstantiatorBuilder method appendInit.

private static <S1, S2> void appendInit(List<InjectionPoint> injections, ClassWriter cw, String s1, String s2, String classType) {
    MethodVisitor mv;
    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/util/Map;)V", "(Ljava/util/Map<Ljava.lang.String;L" + AsmUtils.toAsmType(BiFunction.class) + "<" + AsmUtils.toTargetTypeDeclaration(s1) + "*" + AsmUtils.toTargetTypeDeclaration(s2) + "*>;>;)V", null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    appendInitField(injections, classType, mv);
    mv.visitInsn(RETURN);
    mv.visitMaxs(3, 2);
    mv.visitEnd();
}