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bind: generate reverse functions the same way as methods

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This CL restructures function generation to match the way methods
are generated, to avoid two different code paths for a coming CL.

Change-Id: I5a4f15e51ea5df101f9aa419ed4170ab36506418
Reviewed-on: https://go-review.googlesource.com/35185
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Elias Naur 2017-01-16 13:59:48 +01:00
parent 100a59ffc1
commit 1aa9ad5c48
4 changed files with 105 additions and 124 deletions
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79
bind/genclasses.go
View File

@ -231,11 +231,16 @@ func (g *ClassGen) GenH() {
func (g *ClassGen) GenC() {
g.Printf(classesCHeader)
for _, cls := range g.classes {
g.genC(cls)
g.Printf("static jclass class_%s;\n", cls.JNIName)
if _, ok := g.supers[cls.Name]; ok {
g.Printf("static jclass sclass_%s;\n", cls.JNIName)
}
for _, f := range cls.Funcs {
if !f.Public || !g.isFuncSupported(f) {
continue
}
g.Printf("static jmethodID m_s_%s_%s;\n", cls.JNIName, f.JNIName)
}
for _, f := range cls.AllMethods {
if g.isFuncSupported(f) {
g.Printf("static jmethodID m_%s_%s;\n", cls.JNIName, f.JNIName)
@ -244,6 +249,7 @@ func (g *ClassGen) GenC() {
}
}
}
g.genC(cls)
}
g.Printf("\n")
g.Printf("void init_proxies() {\n")
@ -257,6 +263,17 @@ func (g *ClassGen) GenC() {
g.Printf("sclass_%s = (*env)->GetSuperclass(env, clazz);\n", cls.JNIName)
g.Printf("sclass_%s = (*env)->NewGlobalRef(env, sclass_%s);\n", cls.JNIName, cls.JNIName)
}
for _, f := range cls.Funcs {
if !f.Public || !g.isFuncSupported(f) {
continue
}
g.Printf("m_s_%s_%s = ", cls.JNIName, f.JNIName)
if f.Constructor {
g.Printf("go_seq_get_method_id(clazz, \"<init>\", %q);\n", f.Desc)
} else {
g.Printf("go_seq_get_static_method_id(clazz, %q, %q);\n", f.Name, f.Desc)
}
}
for _, f := range cls.AllMethods {
if g.isFuncSupported(f) {
g.Printf("m_%s_%s = go_seq_get_method_id(clazz, %q, %q);\n", cls.JNIName, f.JNIName, f.Name, f.Desc)
@ -387,7 +404,7 @@ func (g *ClassGen) genC(cls *java.Class) {
} else {
g.Printf("(*env)->CallStaticVoidMethod(env")
}
g.Printf(", clazz, m")
g.Printf(", class_%s, m_s_%s_%s", cls.JNIName, cls.JNIName, f.JNIName)
for i := range f.Params {
g.Printf(", _a%d", i)
}
@ -442,9 +459,12 @@ func (g *ClassGen) genCFuncDecl(jniName string, f *java.Func) {
// Return only the exception, if any
g.Printf("jint")
}
g.Printf(" cproxy_s_%s_%s(jclass clazz, jmethodID m", jniName, f.JNIName)
g.Printf(" cproxy_s_%s_%s(", jniName, f.JNIName)
for i, a := range f.Params {
g.Printf(", %s a%d", a.CType(), i)
if i > 0 {
g.Printf(", ")
}
g.Printf("%s a%d", a.CType(), i)
}
g.Printf(")")
}
@ -464,42 +484,9 @@ func (g *ClassGen) genGo(cls *java.Class) {
if !f.Public || !g.isFuncSupported(f) {
continue
}
g.Printf("{\n")
g.Indent()
name := f.Name
if f.Constructor {
name = "<init>"
}
g.Printf("fn := C.CString(%q)\n", name)
g.Printf("fd := C.CString(%q)\n", f.Desc)
if f.Constructor {
g.Printf("m := C.go_seq_get_method_id(clazz, fn, fd)\n")
} else {
g.Printf("m := C.go_seq_get_static_method_id(clazz, fn, fd)\n")
}
g.Printf("C.free(unsafe.Pointer(fn))\n")
g.Printf("C.free(unsafe.Pointer(fd))\n")
g.Printf("if m != nil {\n")
g.Indent()
g.Printf("%s.%s = func", cls.PkgName, f.GoName)
g.genFuncDecl(false, f)
g.Printf(" {\n")
g.Indent()
for i, a := range f.Params {
g.genWrite(fmt.Sprintf("a%d", i), a, modeTransient)
}
g.Printf("res := C.cproxy_s_%s_%s(clazz, m", cls.JNIName, f.JNIName)
for i := range f.Params {
g.Printf(", _a%d", i)
}
g.Printf(")\n")
g.genFuncRet(f)
g.Outdent()
g.Printf("}\n")
g.Outdent()
g.Printf("}\n")
g.Outdent()
g.Printf("}\n")
g.genFuncBody(cls, f, "cproxy_s", true)
}
g.Printf("%s.Cast = func(v interface{}) Java.%s {\n", cls.PkgName, goClsName(cls.Name))
g.Indent()
@ -522,7 +509,7 @@ func (g *ClassGen) genGo(cls *java.Class) {
}
g.Printf("func (p *proxy_class_%s) %s", cls.JNIName, f.GoName)
g.genFuncDecl(false, f)
g.genFuncBody(cls, f, "cproxy")
g.genFuncBody(cls, f, "cproxy", false)
}
if cls.Throwable {
g.Printf("func (p *proxy_class_%s) Error() string {\n", cls.JNIName)
@ -540,20 +527,26 @@ func (g *ClassGen) genGo(cls *java.Class) {
}
g.Printf("func (p *super_%s) %s", cls.JNIName, f.GoName)
g.genFuncDecl(false, f)
g.genFuncBody(cls, f, "csuper")
g.genFuncBody(cls, f, "csuper", false)
}
}
}
func (g *ClassGen) genFuncBody(cls *java.Class, f *java.Func, prefix string) {
func (g *ClassGen) genFuncBody(cls *java.Class, f *java.Func, prefix string, static bool) {
g.Printf(" {\n")
g.Indent()
for i, a := range f.Params {
g.genWrite(fmt.Sprintf("a%d", i), a, modeTransient)
}
g.Printf("res := C.%s_%s_%s(C.jint(p.Bind_proxy_refnum__())", prefix, cls.JNIName, f.JNIName)
g.Printf("res := C.%s_%s_%s(", prefix, cls.JNIName, f.JNIName)
if !static {
g.Printf("C.jint(p.Bind_proxy_refnum__())")
}
for i := range f.Params {
g.Printf(", _a%d", i)
if !static || i > 0 {
g.Printf(", ")
}
g.Printf("_a%d", i)
}
g.Printf(")\n")
g.genFuncRet(f)

108
bind/testdata/classes.go.golden vendored
View File

@ -662,42 +662,34 @@ func init_java_util_Spliterators() {
return
}
class_java_util_Spliterators = clazz
{
fn := C.CString("iterator")
fd := C.CString("(Ljava/util/Spliterator$OfInt;)Ljava/util/PrimitiveIterator$OfInt;")
m := C.go_seq_get_static_method_id(clazz, fn, fd)
C.free(unsafe.Pointer(fn))
C.free(unsafe.Pointer(fd))
if m != nil {
Spliterators.Iterator_Ljava_util_Spliterator_00024OfInt_2 = func(a0 Java.Java_util_Spliterator_OfInt) Java.Java_util_PrimitiveIterator_OfInt {
var _a0 C.jint = _seq.NullRefNum
if a0 != nil {
_a0 = C.jint(_seq.ToRefNum(a0))
}
res := C.cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(clazz, m, _a0)
var _res Java.Java_util_PrimitiveIterator_OfInt
_res_ref := _seq.FromRefNum(int32(res.res))
if _res_ref != nil {
if res.res < 0 { // go object
_res = _res_ref.Get().(Java.Java_util_PrimitiveIterator_OfInt)
} else { // foreign object
_res = (*proxy_class_java_util_PrimitiveIterator_OfInt)(_res_ref)
}
}
var _exc error
_exc_ref := _seq.FromRefNum(int32(res.exc))
if _exc_ref != nil {
if res.exc < 0 { // go object
_exc = _exc_ref.Get().(error)
} else { // foreign object
_exc = (*proxy_error)(_exc_ref)
}
}
if (_exc != nil) { panic(_exc) }
return _res
Spliterators.Iterator_Ljava_util_Spliterator_00024OfInt_2 = func(a0 Java.Java_util_Spliterator_OfInt) Java.Java_util_PrimitiveIterator_OfInt {
var _a0 C.jint = _seq.NullRefNum
if a0 != nil {
_a0 = C.jint(_seq.ToRefNum(a0))
}
res := C.cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(_a0)
var _res Java.Java_util_PrimitiveIterator_OfInt
_res_ref := _seq.FromRefNum(int32(res.res))
if _res_ref != nil {
if res.res < 0 { // go object
_res = _res_ref.Get().(Java.Java_util_PrimitiveIterator_OfInt)
} else { // foreign object
_res = (*proxy_class_java_util_PrimitiveIterator_OfInt)(_res_ref)
}
}
var _exc error
_exc_ref := _seq.FromRefNum(int32(res.exc))
if _exc_ref != nil {
if res.exc < 0 { // go object
_exc = _exc_ref.Get().(error)
} else { // foreign object
_exc = (*proxy_error)(_exc_ref)
}
}
if (_exc != nil) { panic(_exc) }
return _res
}
Spliterators.Cast = func(v interface{}) Java.Java_util_Spliterators {
t := reflect.TypeOf((*proxy_class_java_util_Spliterators)(nil))
cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_util_Spliterators)
@ -723,38 +715,30 @@ func init_java_lang_System() {
return
}
class_java_lang_System = clazz
{
fn := C.CString("console")
fd := C.CString("()Ljava/io/Console;")
m := C.go_seq_get_static_method_id(clazz, fn, fd)
C.free(unsafe.Pointer(fn))
C.free(unsafe.Pointer(fd))
if m != nil {
System.Console = func() Java.Java_io_Console {
res := C.cproxy_s_java_lang_System_console(clazz, m)
var _res Java.Java_io_Console
_res_ref := _seq.FromRefNum(int32(res.res))
if _res_ref != nil {
if res.res < 0 { // go object
_res = _res_ref.Get().(Java.Java_io_Console)
} else { // foreign object
_res = (*proxy_class_java_io_Console)(_res_ref)
}
}
var _exc error
_exc_ref := _seq.FromRefNum(int32(res.exc))
if _exc_ref != nil {
if res.exc < 0 { // go object
_exc = _exc_ref.Get().(error)
} else { // foreign object
_exc = (*proxy_error)(_exc_ref)
}
}
if (_exc != nil) { panic(_exc) }
return _res
System.Console = func() Java.Java_io_Console {
res := C.cproxy_s_java_lang_System_console()
var _res Java.Java_io_Console
_res_ref := _seq.FromRefNum(int32(res.res))
if _res_ref != nil {
if res.res < 0 { // go object
_res = _res_ref.Get().(Java.Java_io_Console)
} else { // foreign object
_res = (*proxy_class_java_io_Console)(_res_ref)
}
}
var _exc error
_exc_ref := _seq.FromRefNum(int32(res.exc))
if _exc_ref != nil {
if res.exc < 0 { // go object
_exc = _exc_ref.Get().(error)
} else { // foreign object
_exc = (*proxy_error)(_exc_ref)
}
}
if (_exc != nil) { panic(_exc) }
return _res
}
System.Cast = func(v interface{}) Java.Java_lang_System {
t := reflect.TypeOf((*proxy_class_java_lang_System)(nil))
cv := reflect.ValueOf(v).Convert(t).Interface().(*proxy_class_java_lang_System)

38
bind/testdata/classes.java.c.golden vendored
View File

@ -13,25 +13,12 @@ static jmethodID m_java_util_concurrent_Future_get__;
static jmethodID m_java_util_concurrent_Future_get__JLjava_util_concurrent_TimeUnit_2;
static jclass class_java_lang_Object;
static jclass class_java_util_concurrent_TimeUnit;
ret_jint cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(jclass clazz, jmethodID m, jint a0) {
static jclass class_java_util_Spliterators;
static jmethodID m_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2;
ret_jint cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(jint a0) {
JNIEnv *env = go_seq_push_local_frame(1);
jobject _a0 = go_seq_from_refnum(env, a0, NULL, NULL);
jobject res = (*env)->CallStaticObjectMethod(env, clazz, m, _a0);
jobject _exc = go_seq_get_exception(env);
int32_t _exc_ref = go_seq_to_refnum(env, _exc);
if (_exc != NULL) {
res = NULL;
}
jint _res = go_seq_to_refnum(env, res);
go_seq_pop_local_frame(env);
ret_jint __res = {_res, _exc_ref};
return __res;
}
static jclass class_java_util_Spliterators;
ret_jint cproxy_s_java_lang_System_console(jclass clazz, jmethodID m) {
JNIEnv *env = go_seq_push_local_frame(0);
jobject res = (*env)->CallStaticObjectMethod(env, clazz, m);
jobject res = (*env)->CallStaticObjectMethod(env, class_java_util_Spliterators, m_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2, _a0);
jobject _exc = go_seq_get_exception(env);
int32_t _exc_ref = go_seq_to_refnum(env, _exc);
if (_exc != NULL) {
@ -44,6 +31,21 @@ ret_jint cproxy_s_java_lang_System_console(jclass clazz, jmethodID m) {
}
static jclass class_java_lang_System;
static jmethodID m_s_java_lang_System_console;
ret_jint cproxy_s_java_lang_System_console() {
JNIEnv *env = go_seq_push_local_frame(0);
jobject res = (*env)->CallStaticObjectMethod(env, class_java_lang_System, m_s_java_lang_System_console);
jobject _exc = go_seq_get_exception(env);
int32_t _exc_ref = go_seq_to_refnum(env, _exc);
if (_exc != NULL) {
res = NULL;
}
jint _res = go_seq_to_refnum(env, res);
go_seq_pop_local_frame(env);
ret_jint __res = {_res, _exc_ref};
return __res;
}
static jclass class_java_Future;
static jclass sclass_java_Future;
static jmethodID m_java_Future_get__;
@ -84,8 +86,10 @@ void init_proxies() {
class_java_util_concurrent_TimeUnit = (*env)->NewGlobalRef(env, clazz);
clazz = (*env)->FindClass(env, "java/util/Spliterators");
class_java_util_Spliterators = (*env)->NewGlobalRef(env, clazz);
m_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2 = go_seq_get_static_method_id(clazz, "iterator", "(Ljava/util/Spliterator$OfInt;)Ljava/util/PrimitiveIterator$OfInt;");
clazz = (*env)->FindClass(env, "java/lang/System");
class_java_lang_System = (*env)->NewGlobalRef(env, clazz);
m_s_java_lang_System_console = go_seq_get_static_method_id(clazz, "console", "()Ljava/io/Console;");
clazz = (*env)->FindClass(env, "java/Future");
class_java_Future = (*env)->NewGlobalRef(env, clazz);
sclass_java_Future = (*env)->GetSuperclass(env, clazz);

4
bind/testdata/classes.java.h.golden vendored
View File

@ -59,8 +59,8 @@ extern ret_jint csuper_java_InputStream_read__(jint this);
extern jint cproxy_java_Runnable_run(jint this);
extern jint csuper_java_Runnable_run(jint this);
extern jint cproxy_java_io_Console_flush(jint this);
extern ret_jint cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(jclass clazz, jmethodID m, jint a0);
extern ret_jint cproxy_s_java_lang_System_console(jclass clazz, jmethodID m);
extern ret_jint cproxy_s_java_util_Spliterators_iterator__Ljava_util_Spliterator_00024OfInt_2(jint a0);
extern ret_jint cproxy_s_java_lang_System_console();
// JNI function headers for the Go <=> Java bridge.
// gobind -lang=java classes
//