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added PGF.compute in the Java binding

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krasimir
2016-04-13 12:57:06 +00:00
parent f0ca9cd732
commit f0014f61a7
1 changed files with 34 additions and 0 deletions
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34
src/runtime/java/jpgf.c
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@@ -1213,3 +1213,37 @@ Java_org_grammaticalframework_pgf_Generator_generateAll(JNIEnv* env, jclass claz
return jexpiter;
}
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_pgf_PGF_compute(JNIEnv* env, jobject self, jobject jexpr)
{
GuPool* pool = gu_new_pool();
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
PgfExpr res =
pgf_compute(get_ref(env, self), gu_variant_from_ptr((void*) get_ref(env, jexpr)), err, tmp_pool, pool);
if (!gu_ok(err)) {
if (gu_exn_caught(err, PgfExn)) {
GuString msg = (GuString) gu_exn_caught_data(err);
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", msg);
} else {
throw_string_exception(env, "org/grammaticalframework/pgf/PGFError", "The expression cannot be computed");
}
gu_pool_free(tmp_pool);
gu_pool_free(pool);
return NULL;
}
gu_pool_free(tmp_pool);
jclass pool_class = (*env)->FindClass(env, "org/grammaticalframework/pgf/Pool");
jmethodID pool_constrId = (*env)->GetMethodID(env, pool_class, "<init>", "(J)V");
jobject jpool = (*env)->NewObject(env, pool_class, pool_constrId, p2l(pool));
jclass expr_class = (*env)->GetObjectClass(env, jexpr);
jmethodID constrId = (*env)->GetMethodID(env, expr_class, "<init>", "(Lorg/grammaticalframework/pgf/Pool;Ljava/lang/Object;J)V");
jexpr = (*env)->NewObject(env, expr_class, constrId, jpool, NULL, p2l(gu_variant_to_ptr(res)));
return jexpr;
}