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