ThenOperation.ceylon
import ceylon.ast.core {
Node,
ThenOperation,
DisjoiningExpression,
ThenElseExpression
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JThenOp=ThenOp
}
}
"Converts a RedHat AST [[ThenOp|JThenOp]] to a `ceylon.ast` [[ThenOperation]]."
shared ThenOperation thenOperationToCeylon(JThenOp thenOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is ThenElseExpression left = expressionToCeylon(thenOperation.leftTerm, update),
is DisjoiningExpression right = expressionToCeylon(thenOperation.rightTerm, update));
value result = ThenOperation(left, right);
update(thenOperation, result);
return result;
}
"Compiles the given [[code]] for a Then Operation
into a [[ThenOperation]] using the Ceylon compiler
(more specifically, the rule for a `thenElseExpression`)."
shared ThenOperation? compileThenOperation(String code, Anything(JNode,Node) update = noop) {
if (is JThenOp jThenElseExpression = createParser(code).thenElseExpression()) {
return thenOperationToCeylon(jThenElseExpression, update);
} else {
return null;
}
}