private void prepareLeftOperand(
BooleanOperator operation,
Class<?> type,
Class<?> leftType,
Class<?> rightType,
Label shortcutEvaluation) {
if (leftType.isPrimitive()) {
if (type != null) {
castOrCoercePrimitive(LEFT_OPERAND, leftType, type);
}
return;
}
Label notNullLabel =
jitLeftIsNull(
type == null || leftType == type
? jitNullSafeOperationStart()
: jitNullSafeCoercion(leftType, type));
if (operation.isEquality() && !rightType.isPrimitive()) {
// if (left == null) return right == null
checkNullEquality();
} else {
// if (left == null) return false
mv.visitInsn(ICONST_0);
}
mv.visitJumpInsn(GOTO, shortcutEvaluation);
mv.visitLabel(notNullLabel);
}
private void jitObjectBinary(
SingleCondition singleCondition, Expression left, Expression right, Class<?> type) {
Class<?> leftType =
isDeclarationExpression(left) ? convertFromPrimitiveType(left.getType()) : left.getType();
Class<?> rightType =
isDeclarationExpression(right)
? convertFromPrimitiveType(right.getType())
: right.getType();
jitExpression(left, type != null ? type : leftType);
if (isDeclarationExpression(left) && left.getType().isPrimitive()) {
castFromPrimitive(left.getType());
}
store(LEFT_OPERAND, leftType);
jitExpression(right, type != null ? type : rightType);
if (isDeclarationExpression(right) && right.getType().isPrimitive()) {
castFromPrimitive(right.getType());
}
store(RIGHT_OPERAND, rightType);
Label shortcutEvaluation = new Label();
BooleanOperator operation = singleCondition.getOperation();
prepareLeftOperand(operation, type, leftType, rightType, shortcutEvaluation);
prepareRightOperand(right, type, rightType, shortcutEvaluation);
load(LEFT_OPERAND);
load(RIGHT_OPERAND);
switch (operation) {
case CONTAINS:
invokeStatic(
EvaluatorHelper.class,
"contains",
boolean.class,
Object.class,
rightType.isPrimitive() ? rightType : Object.class);
break;
case MATCHES:
invokeVirtual(type, "matches", boolean.class, String.class);
break;
case SOUNDSLIKE:
invokeStatic(
EvaluatorHelper.class, "soundslike", boolean.class, String.class, String.class);
break;
default:
if (operation.isEquality()) {
if (type.isInterface()) {
invokeInterface(type, "equals", boolean.class, Object.class);
} else {
invokeVirtual(type, "equals", boolean.class, Object.class);
}
if (operation == BooleanOperator.NE) {
singleCondition.toggleNegation();
}
} else {
if (type.isInterface()) {
invokeInterface(
type, "compareTo", int.class, type == Comparable.class ? Object.class : type);
} else {
invokeVirtual(type, "compareTo", int.class, type);
}
mv.visitInsn(ICONST_0);
jitPrimitiveOperation(operation, int.class);
}
}
mv.visitLabel(shortcutEvaluation);
}