forked from gmp/jni
Merge branch 'master' of whereswaldon/jni into master
This commit is contained in:
commit
94b5b1f940
10
gojni.h
10
gojni.h
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@ -7,6 +7,7 @@ __attribute__ ((visibility ("hidden"))) void _jni_ExceptionClear(JNIEnv *env);
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__attribute__ ((visibility ("hidden"))) jclass _jni_GetObjectClass(JNIEnv *env, jobject obj);
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__attribute__ ((visibility ("hidden"))) jmethodID _jni_GetMethodID(JNIEnv *env, jclass clazz, const char *name, const char *sig);
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__attribute__ ((visibility ("hidden"))) jmethodID _jni_GetStaticMethodID(JNIEnv *env, jclass clazz, const char *name, const char *sig);
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__attribute__ ((visibility ("hidden"))) jfieldID _jni_GetStaticFieldID(JNIEnv *env, jclass clazz, const char *name, const char *sig);
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__attribute__ ((visibility ("hidden"))) jsize _jni_GetStringLength(JNIEnv *env, jstring str);
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__attribute__ ((visibility ("hidden"))) const jchar *_jni_GetStringChars(JNIEnv *env, jstring str);
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__attribute__ ((visibility ("hidden"))) jstring _jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len);
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@ -23,3 +24,12 @@ __attribute__ ((visibility ("hidden"))) jbyteArray _jni_NewByteArray(JNIEnv *env
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__attribute__ ((visibility ("hidden"))) jbyte *_jni_GetByteArrayElements(JNIEnv *env, jbyteArray arr);
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__attribute__ ((visibility ("hidden"))) void _jni_ReleaseByteArrayElements(JNIEnv *env, jbyteArray arr, jbyte *elems, jint mode);
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__attribute__ ((visibility ("hidden"))) jsize _jni_GetArrayLength(JNIEnv *env, jarray arr);
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__attribute__ ((visibility ("hidden"))) jobject _jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jboolean _jni_GetStaticBooleanField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jbyte _jni_GetStaticByteField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jchar _jni_GetStaticCharField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jshort _jni_GetStaticShortField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jint _jni_GetStaticIntField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jlong _jni_GetStaticLongField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jfloat _jni_GetStaticFloatField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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__attribute__ ((visibility ("hidden"))) jdouble _jni_GetStaticDoubleField(JNIEnv *env, jclass clazz, jfieldID fieldID);
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41
jni.c
41
jni.c
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@ -36,6 +36,10 @@ jmethodID _jni_GetStaticMethodID(JNIEnv *env, jclass clazz, const char *name, co
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return (*env)->GetStaticMethodID(env, clazz, name, sig);
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}
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jfieldID _jni_GetStaticFieldID(JNIEnv *env, jclass clazz, const char *name, const char *sig) {
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return (*env)->GetStaticFieldID(env, clazz, name, sig);
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}
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jsize _jni_GetStringLength(JNIEnv *env, jstring str) {
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return (*env)->GetStringLength(env, str);
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}
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@ -99,3 +103,40 @@ void _jni_ReleaseByteArrayElements(JNIEnv *env, jbyteArray arr, jbyte *elems, ji
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jsize _jni_GetArrayLength(JNIEnv *env, jarray arr) {
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return (*env)->GetArrayLength(env, arr);
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}
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jobject _jni_GetStaticObjectField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticObjectField(env, clazz, fieldID);
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}
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jboolean _jni_GetStaticBooleanField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticBooleanField(env, clazz, fieldID);
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}
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jbyte _jni_GetStaticByteField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticByteField(env, clazz, fieldID);
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}
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jchar _jni_GetStaticCharField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticCharField(env, clazz, fieldID);
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}
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jshort _jni_GetStaticShortField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticShortField(env, clazz, fieldID);
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}
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jint _jni_GetStaticIntField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticIntField(env, clazz, fieldID);
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}
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jlong _jni_GetStaticLongField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticLongField(env, clazz, fieldID);
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}
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jfloat _jni_GetStaticFloatField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticFloatField(env, clazz, fieldID);
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}
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jdouble _jni_GetStaticDoubleField(JNIEnv *env, jclass clazz, jfieldID fieldID) {
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return (*env)->GetStaticDoubleField(env, clazz, fieldID);
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}
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105
jni.go
105
jni.go
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@ -38,6 +38,7 @@ type (
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Class C.jclass
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Object C.jobject
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MethodID C.jmethodID
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FieldID C.jfieldID
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String C.jstring
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ByteArray C.jbyteArray
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Value uint64 // All JNI types fit into 64-bits.
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@ -212,6 +213,20 @@ func GetStaticMethodID(e Env, cls Class, name, signature string) MethodID {
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return MethodID(m)
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}
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// GetStaticFieldID returns the id for a static field. It panics if the field
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// wasn't found.
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func GetStaticFieldID(e Env, cls Class, name, signature string) FieldID {
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mname := C.CString(name)
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defer C.free(unsafe.Pointer(mname))
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msig := C.CString(signature)
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defer C.free(unsafe.Pointer(msig))
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m := C._jni_GetStaticFieldID(e.env, C.jclass(cls), mname, msig)
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if err := exception(e); err != nil {
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panic(err)
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}
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return FieldID(m)
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}
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// GetMethodID returns the id for a method. It panics if the method
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// wasn't found.
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func GetMethodID(e Env, cls Class, name, signature string) MethodID {
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@ -259,3 +274,93 @@ func GoString(e Env, str String) string {
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utf8 := utf16.Decode(utf16Chars)
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return string(utf8)
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}
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// GetStaticObjectField looks up the value of a static field of type Object.
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// It panics if it is unable to find the field.
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func GetStaticObjectField(env Env, clazz Class, fieldID FieldID) Object {
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value := C._jni_GetStaticObjectField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return Object(value)
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}
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// GetStaticBooleanField looks up the value of a static field of type boolean.
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// It panics if it is unable to find the field.
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func GetStaticBooleanField(env Env, clazz Class, fieldID FieldID) bool {
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value := C._jni_GetStaticBooleanField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return value != 0
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}
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// GetStaticByteField looks up the value of a static field of type byte.
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// It panics if it is unable to find the field.
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func GetStaticByteField(env Env, clazz Class, fieldID FieldID) byte {
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value := C._jni_GetStaticByteField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return byte(value)
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}
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// GetStaticCharField looks up the value of a static field of type char.
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// It panics if it is unable to find the field.
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func GetStaticCharField(env Env, clazz Class, fieldID FieldID) byte {
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value := C._jni_GetStaticCharField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return byte(value)
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}
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// GetStaticShortField looks up the value of a static field of type short.
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// It panics if it is unable to find the field.
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func GetStaticShortField(env Env, clazz Class, fieldID FieldID) int16 {
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value := C._jni_GetStaticShortField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return int16(value)
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}
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// GetStaticIntField looks up the value of a static field of type int.
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// It panics if it is unable to find the field.
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func GetStaticIntField(env Env, clazz Class, fieldID FieldID) int32 {
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value := C._jni_GetStaticIntField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return int32(value)
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}
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// GetStaticLongField looks up the value of a static field of type long.
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// It panics if it is unable to find the field.
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func GetStaticLongField(env Env, clazz Class, fieldID FieldID) int64 {
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value := C._jni_GetStaticLongField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return int64(value)
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}
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// GetStaticFloatField looks up the value of a static field of type float.
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// It panics if it is unable to find the field.
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func GetStaticFloatField(env Env, clazz Class, fieldID FieldID) float32 {
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value := C._jni_GetStaticFloatField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return float32(value)
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}
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// GetStaticDoubleField looks up the value of a static field of type double.
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// It panics if it is unable to find the field.
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func GetStaticDoubleField(env Env, clazz Class, fieldID FieldID) float64 {
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value := C._jni_GetStaticDoubleField(env.env, C.jclass(clazz), C.jfieldID(fieldID))
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if err := exception(env); err != nil {
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panic(err)
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}
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return float64(value)
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}
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