SetOperation.ceylon
import ceylon.ast.core {
Node,
SetOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JBitwiseOp=BitwiseOp,
JComplementOp=ComplementOp,
JIntersectionOp=IntersectionOp,
JUnionOp=UnionOp
}
}
"Converts a RedHat AST [[BitwiseOp|JBitwiseOp]] to a `ceylon.ast` [[SetOperation]]."
shared SetOperation setOperationToCeylon(JBitwiseOp setOperation, Anything(JNode,Node) update = noop) {
assert (is JIntersectionOp|JUnionOp|JComplementOp setOperation);
switch (setOperation)
case (is JIntersectionOp) { return intersectionOperationToCeylon(setOperation, update); }
case (is JUnionOp) { return unionOperationToCeylon(setOperation, update); }
case (is JComplementOp) { return complementOperationToCeylon(setOperation, update); }
}
"Compiles the given [[code]] for a Set Operation
into a [[SetOperation]] using the Ceylon compiler
(more specifically, the rule for a `unionExpression`)."
shared SetOperation? compileSetOperation(String code, Anything(JNode,Node) update = noop) {
if (is JBitwiseOp jUnionExpression = createParser(code).unionExpression()) {
return setOperationToCeylon(jUnionExpression, update);
} else {
return null;
}
}