NotEqualOperation.ceylon
import ceylon.ast.core {
ComparingExpression,
Node,
NotEqualOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JNotEqualOp=NotEqualOp
}
}
"Converts a RedHat AST [[NotEqualOp|JNotEqualOp]] to a `ceylon.ast` [[NotEqualOperation]]."
shared NotEqualOperation notEqualOperationToCeylon(JNotEqualOp notEqualOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is ComparingExpression left = expressionToCeylon(notEqualOperation.leftTerm, update),
is ComparingExpression right = expressionToCeylon(notEqualOperation.rightTerm, update));
value result = NotEqualOperation(left, right);
update(notEqualOperation, result);
return result;
}
"Compiles the given [[code]] for a Not Equal Operation
into a [[NotEqualOperation]] using the Ceylon compiler
(more specifically, the rule for a `equalityExpression`)."
shared NotEqualOperation? compileNotEqualOperation(String code, Anything(JNode,Node) update = noop) {
if (is JNotEqualOp jEqualityExpression = createParser(code).equalityExpression()) {
return notEqualOperationToCeylon(jEqualityExpression, update);
} else {
return null;
}
}