private void jitBinary(SingleCondition singleCondition) {
Expression left = singleCondition.getLeft();
Expression right = singleCondition.getRight();
Class<?> commonType =
singleCondition.getOperation().needsSameType()
? findCommonClass(
left.getType(), !left.canBeNull(), right.getType(), !right.canBeNull())
: null;
if (commonType == Object.class && singleCondition.getOperation().isComparison()) {
commonType = Comparable.class;
}
if (commonType != null && commonType.isPrimitive()) {
jitPrimitiveBinary(singleCondition, left, right, commonType);
} else {
jitObjectBinary(singleCondition, left, right, commonType);
}
}
private void jitPrimitiveBinary(
SingleCondition singleCondition, Expression left, Expression right, Class<?> type) {
if (isFixed(right) && right.canBeNull()) {
// a primitive cannot be null
mv.visitInsn(singleCondition.getOperation() == BooleanOperator.NE ? ICONST_1 : ICONST_0);
return;
}
Label nullArg = new Label();
ensureNotNullArgs(left, right, nullArg);
jitExpression(left, type);
castExpressionResultToPrimitive(left, type);
jitExpression(right, type);
castExpressionResultToPrimitive(right, type);
jitPrimitiveOperation(singleCondition.getOperation(), type);
Label nonNullArg = new Label();
mv.visitJumpInsn(GOTO, nonNullArg);
mv.visitLabel(nullArg);
mv.visitInsn(ICONST_0);
mv.visitLabel(nonNullArg);
}