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