NotOperation.ceylon
import ceylon.ast.core {
NegatingExpression,
Node,
NotOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JNotOp=NotOp
}
}
"Converts a RedHat AST [[NotOp|JNotOp]] to a `ceylon.ast` [[NotOperation]]."
shared NotOperation notOperationToCeylon(JNotOp notOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is NegatingExpression operand = expressionToCeylon(notOperation.term, update));
value result = NotOperation(operand);
update(notOperation, result);
return result;
}
"Compiles the given [[code]] for a Not Operation
into a [[NotOperation]] using the Ceylon compiler
(more specifically, the rule for a `logicalNegationExpression`)."
shared NotOperation? compileNotOperation(String code, Anything(JNode,Node) update = noop) {
if (is JNotOp jLogicalNegationExpression = createParser(code).logicalNegationExpression()) {
return notOperationToCeylon(jLogicalNegationExpression, update);
} else {
return null;
}
}