From a4b6c8cb1b3debb89b254760c1ce9bd506d56fd9 Mon Sep 17 00:00:00 2001
From: Krasimir Angelov <kr.angelov@gmail.com>
Date: Fri, 7 Jul 2017 11:21:34 +0200
Subject: added the Expr.unMeta method in the Java binding

---
 src/runtime/java/jpgf.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/runtime/java/jpgf.c')

diff --git a/src/runtime/java/jpgf.c b/src/runtime/java/jpgf.c
index 05a526faf..4a0f1363c 100644
--- a/src/runtime/java/jpgf.c
+++ b/src/runtime/java/jpgf.c
@@ -1399,6 +1399,19 @@ Java_org_grammaticalframework_pgf_Expr_unApply(JNIEnv* env, jobject self)
 	return japp;
 }
 
+JNIEXPORT jint JNICALL
+Java_org_grammaticalframework_pgf_Expr_unMeta(JNIEnv* env, jobject self)
+{
+	PgfExpr expr = gu_variant_from_ptr(get_ref(env, self));
+
+	PgfExprMeta* pmeta = pgf_expr_unmeta(expr);
+	if (pmeta != NULL) {
+		return pmeta->id;
+	}
+
+	return -1;
+}
+
 JNIEXPORT jboolean JNICALL
 Java_org_grammaticalframework_pgf_Expr_equals(JNIEnv* env, jobject self, jobject other)
 {
-- 
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