EqualOperation.ceylon
import ceylon.ast.core {
EqualOperation,
ComparingExpression,
Node
}
import com.redhat.ceylon.compiler.typechecker.tree {
JNode=Node,
Tree {
JEqualOp=EqualOp
}
}
"Converts a RedHat AST [[EqualOp|JEqualOp]] to a `ceylon.ast` [[EqualOperation]]."
shared EqualOperation equalOperationToCeylon(JEqualOp equalOperation, Anything(JNode,Node) update = noop) {
"Check precedence"
assert (is ComparingExpression left = expressionToCeylon(equalOperation.leftTerm, update),
is ComparingExpression right = expressionToCeylon(equalOperation.rightTerm, update));
value result = EqualOperation(left, right);
update(equalOperation, result);
return result;
}
"Compiles the given [[code]] for an Equal Operation
into an [[EqualOperation]] using the Ceylon compiler
(more specifically, the rule for an `equalityExpression`)."
shared EqualOperation? compileEqualOperation(String code, Anything(JNode,Node) update = noop) {
if (is JEqualOp jEqualityExpression = createParser(code).equalityExpression()) {
return equalOperationToCeylon(jEqualityExpression, update);
} else {
return null;
}
}