PrefixDecrementOperation.ceylon
import ceylon.ast.core {
Node,
PrefixDecrementOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JDecrementOp=DecrementOp,
JPrimary=Primary
}
}
"Converts a RedHat AST [[DecrementOp|JDecrementOp]] to a `ceylon.ast` [[PrefixDecrementOperation]]."
shared PrefixDecrementOperation prefixDecrementOperationToCeylon(JDecrementOp prefixDecrementOperation, Anything(JNode,Node) update = noop) {
assert (is JPrimary jPrimary = prefixDecrementOperation.term);
value result = PrefixDecrementOperation(primaryToCeylon(jPrimary, update));
update(prefixDecrementOperation, result);
return result;
}
"Compiles the given [[code]] for a Prefix Decrement Operation
into a [[PrefixDecrementOperation]] using the Ceylon compiler
(more specifically, the rule for n `incrementDecrementExpression`)."
shared PrefixDecrementOperation? compilePrefixDecrementOperation(String code, Anything(JNode,Node) update = noop) {
if (is JDecrementOp jDecrementOp = createParser(code).incrementDecrementExpression(),
jDecrementOp.term is JPrimary) {
return prefixDecrementOperationToCeylon(jDecrementOp, update);
} else {
return null;
}
}