ScaleOperation.ceylon
import ceylon.ast.core {
MultiplyingExpression,
Node,
ScalingExpression,
ScaleOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JScaleOp=ScaleOp
}
}
"Converts a RedHat AST [[ScaleOp|JScaleOp]] to a `ceylon.ast` [[ScaleOperation]]."
shared ScaleOperation scaleOperationToCeylon(JScaleOp scaleOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is MultiplyingExpression left = expressionToCeylon(scaleOperation.leftTerm, update),
is ScalingExpression right = expressionToCeylon(scaleOperation.rightTerm, update));
value result = ScaleOperation(left, right);
update(scaleOperation, result);
return result;
}
"Compiles the given [[code]] for a Scale Operation
into a [[ScaleOperation]] using the Ceylon compiler
(more specifically, the rule for a `scaleExpression`)."
shared ScaleOperation? compileScaleOperation(String code, Anything(JNode,Node) update = noop) {
if (is JScaleOp jScaleExpression = createParser(code).scaleExpression()) {
return scaleOperationToCeylon(jScaleExpression, update);
} else {
return null;
}
}