SubtractAssignmentOperation.ceylon
import ceylon.ast.core {
Node,
ThenElseExpression,
AssigningExpression,
SubtractAssignmentOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JSubtractAssignOp=SubtractAssignOp
}
}
"Converts a RedHat AST [[SubtractAssignOp|JSubtractAssignOp]] to a `ceylon.ast` [[SubtractAssignmentOperation]]."
shared SubtractAssignmentOperation subtractAssignmentOperationToCeylon(JSubtractAssignOp subtractAssignmentOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is ThenElseExpression left = expressionToCeylon(subtractAssignmentOperation.leftTerm, update),
is AssigningExpression right = expressionToCeylon(subtractAssignmentOperation.rightTerm, update));
value result = SubtractAssignmentOperation(left, right);
update(subtractAssignmentOperation, result);
return result;
}
"Compiles the given [[code]] for a Subtract Assignment Operation
into a [[SubtractAssignmentOperation]] using the Ceylon compiler
(more specifically, the rule for an `assignmentExpression`)."
shared SubtractAssignmentOperation? compileSubtractAssignmentOperation(String code, Anything(JNode,Node) update = noop) {
if (is JSubtractAssignOp jAssignmentExpression = createParser(code).assignmentExpression()) {
return subtractAssignmentOperationToCeylon(jAssignmentExpression, update);
} else {
return null;
}
}