NotEqualOperation.ceylon
import ceylon.ast.core {
NotEqualOperation,
ComparingExpression
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JNotEqualOp=NotEqualOp
}
}
"Converts a RedHat AST [[NotEqualOp|JNotEqualOp]] to a `ceylon.ast` [[NotEqualOperation]]."
shared NotEqualOperation notEqualOperationToCeylon(JNotEqualOp notEqualOperation) {
"Check precedence"
assert (is ComparingExpression left = expressionToCeylon(notEqualOperation.leftTerm),
is ComparingExpression right = expressionToCeylon(notEqualOperation.rightTerm));
return NotEqualOperation(left, right);
}
"Compiles the given [[code]] for a Not Equal Operation
into a [[NotEqualOperation]] using the Ceylon compiler
(more specifically, the rule for a `equalityExpression`)."
shared NotEqualOperation? compileNotEqualOperation(String code) {
if (is JNotEqualOp jEqualityExpression = createParser(code).equalityExpression()) {
return notEqualOperationToCeylon(jEqualityExpression);
} else {
return null;
}
}