diff options
Diffstat (limited to 'src/runtime/java/org/grammaticalframework')
| -rw-r--r-- | src/runtime/java/org/grammaticalframework/pgf/Expr.java | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/runtime/java/org/grammaticalframework/pgf/Expr.java b/src/runtime/java/org/grammaticalframework/pgf/Expr.java index 1cc014ca2..46ea88b42 100644 --- a/src/runtime/java/org/grammaticalframework/pgf/Expr.java +++ b/src/runtime/java/org/grammaticalframework/pgf/Expr.java @@ -89,6 +89,11 @@ public class Expr implements Serializable { * an application then the result is null. */ public native ExprApplication unApply(); + /** If the method is called on an expression which is + * a meta variable, then it will return the variable's id. + * If this is not a meta variable then the result is -1. */ + public native int unMeta(); + /** Returns the expression as a string in the GF syntax */ public String toString() { return showExpr(ref); |