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added a test class for the Java API plus a small refinement in the implementation for the binding

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kr.angelov
2013-05-28 13:32:32 +00:00
parent 3147e16453
commit bae05df3b0
3 changed files with 41 additions and 20 deletions
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8
src/runtime/java/Test.java Normal file
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@@ -0,0 +1,8 @@
import org.grammaticalframework.*;
public class Test {
public static void main(String[] args) {
PGF gr = PGF.readPGF("/home/krasimir/www.grammaticalframework.org/treebanks/PennTreebank/ParseEngAbs.pgf");
gr.close();
}
}

21
src/runtime/java/jpgf.c
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@@ -4,17 +4,20 @@
JNIEXPORT jobject JNICALL
Java_org_grammaticalframework_PGF_readPGF(JNIEnv *env, jclass cls, jstring s)
{
const char *fpath = (*env)->GetStringUTFChars(env, s, 0);
{
GuPool* pool = gu_new_pool();
GuPool* tmp_pool = gu_local_pool();
// Create an exception frame that catches all errors.
GuExn* err = gu_new_exn(NULL, gu_kind(type), tmp_pool);
const char *fpath = (*env)->GetStringUTFChars(env, s, 0);
// Read the PGF grammar.
PgfPGF* pgf = pgf_read(fpath, pool, err);
(*env)->ReleaseStringUTFChars(env, s, fpath);
if (!gu_ok(err)) {
gu_pool_free(pool);
gu_pool_free(tmp_pool);
@@ -23,9 +26,13 @@ Java_org_grammaticalframework_PGF_readPGF(JNIEnv *env, jclass cls, jstring s)
gu_pool_free(tmp_pool);
(*env)->ReleaseStringUTFChars(env, s, fpath);
jmethodID constrId = (*env)->GetMethodID(env, cls, "<init>", "(JJ)V");
jmethodID constrId = (*env)->GetMethodID(env, cls, "<init>", "(II)V");
return (*env)->NewObject(env, cls, constrId, (int) pool, (int) pgf);
return (*env)->NewObject(env, cls, constrId, (long) pool, (long) pgf);
}
JNIEXPORT void JNICALL
Java_org_grammaticalframework_PGF_free(JNIEnv* env, jclass cls, jlong pool)
{
gu_pool_free((GuPool*) pool);
}

32
src/runtime/java/org/grammaticalframework/PGF.java
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@@ -1,25 +1,31 @@
package org.grammaticalframework;
public class PGF {
static native PGF readPGF(String path);
private int pool;
private int gr;
public static native PGF readPGF(String path);
private PGF(int pool, int gr) {
public void close() {
if (pool != 0) {
free(pool);
pool = 0;
gr = 0;
}
}
private static native void free(long pool);
private long pool;
private long gr;
private PGF(long pool, long gr) {
this.pool = pool;
this.gr = gr;
}
protected void finalize () throws Throwable {
close();
}
static {
System.loadLibrary("jpgf");
}
public void test() {
System.out.println("pool="+pool+", gr="+gr);
}
public static void main(String[] args) {
readPGF("/home/krasimir/www.grammaticalframework.org/treebanks/PennTreebank/ParseEngAbs.pgf").test();
}
}