jruby/cext/src/module.cpp at prepend · MSNexploder/jruby · GitHub

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/***** BEGIN LICENSE BLOCK *****

* Version: EPL 1.0/GPL 2.0/LGPL 2.1

* The contents of this file are subject to the Common Public

* License Version 1.0 (the "License"); you may not use this file

* except in compliance with the License. You may obtain a copy of

* the License at http://www.eclipse.org/legal/cpl-v10.html

* Software distributed under the License is distributed on an "AS

* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

* implied. See the License for the specific language governing

* rights and limitations under the License.

* Alternatively, the contents of this file may be used under the terms of

* either of the GNU General Public License Version 2 or later (the "GPL"),

* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

* in which case the provisions of the GPL or the LGPL are applicable instead

* of those above. If you wish to allow use of your version of this file only

* under the terms of either the GPL or the LGPL, and not to allow others to

* use your version of this file under the terms of the EPL, indicate your

* decision by deleting the provisions above and replace them with the notice

* and other provisions required by the GPL or the LGPL. If you do not delete

* the provisions above, a recipient may use your version of this file under

* the terms of any one of the EPL, the GPL or the LGPL.

***** END LICENSE BLOCK *****/

#include "jruby.h"

#include "ruby.h"

#include "JLocalEnv.h"

#include "Handle.h"

using namespace jruby;

extern "C" void

rb_define_attr(VALUE klass, const char* attr_name, int readable, int writable)

{

VALUE rbName = ID2SYM(rb_intern(attr_name));

if (readable) {

callMethodA(klass, "attr_reader", 1, &rbName);

}

if (writable) {

callMethodA(klass, "attr_writer", 1, &rbName);

}

extern "C" void

rb_define_const(VALUE module, const char* name, VALUE obj)

{

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, RubyModule_class, "defineConstant",

"(Ljava/lang/String;Lorg/jruby/runtime/builtin/IRubyObject;)V");

env->CallVoidMethod(valueToObject(env, module), mid, env->NewStringUTF(name), valueToObject(env, obj));

checkExceptions(env);

}

extern "C" VALUE

rb_define_module(const char* name)

{

JLocalEnv env;

jobject mod = env->CallObjectMethod(getRuntime(), Ruby_defineModule_method, env->NewStringUTF(name));

checkExceptions(env);

return objectToValue(env, mod);

}

extern "C" VALUE

rb_define_module_under(VALUE module, const char* name)

{

JLocalEnv env;

jmethodID Ruby_defineModuleUnder_method = getCachedMethodID(env, Ruby_class, "defineModuleUnder",

"(Ljava/lang/String;Lorg/jruby/RubyModule;)Lorg/jruby/RubyModule;");

jobject mod = env->CallObjectMethod(getRuntime(), Ruby_defineModuleUnder_method,

env->NewStringUTF(name), valueToObject(env, module));

checkExceptions(env);

return objectToValue(env, mod);

}

extern "C" void

rb_define_method(VALUE klass, const char* meth, VALUE(*fn)(ANYARGS), int arity)

{

JLocalEnv env;

jmethodID JRuby_newMethod = getStaticMethodID(env, JRuby_class, "newMethod", "(Lorg/jruby/RubyModule;JI)Lorg/jruby/internal/runtime/methods/DynamicMethod;");

jmethodID RubyModule_addMethod_method = getCachedMethodID(env, RubyModule_class, "addMethod",

"(Ljava/lang/String;Lorg/jruby/internal/runtime/methods/DynamicMethod;)V");

jobject module = valueToObject(env, klass);

env->CallVoidMethod(module, RubyModule_addMethod_method, env->NewStringUTF(meth),

env->CallStaticObjectMethod(JRuby_class, JRuby_newMethod, module, (jlong)(intptr_t) fn, arity));

checkExceptions(env);

}

extern "C" void

rb_define_private_method(VALUE klass, const char* meth, VALUE(*fn)(ANYARGS), int arity)

{

rb_define_method(klass, meth, fn, arity);

callMethod(klass, "private", 1, ID2SYM(rb_intern(meth)));

}

extern "C" void

rb_define_protected_method(VALUE klass, const char* meth, VALUE(*fn)(ANYARGS), int arity)

{

rb_define_method(klass, meth, fn, arity);

callMethod(klass, "protected", 1, ID2SYM(rb_intern(meth)));

}

extern "C" void

rb_define_module_function(VALUE klass,const char* meth, VALUE(*fn)(ANYARGS),int arity)

{

JLocalEnv env;

jmethodID JRuby_newMethod = getStaticMethodID(env, JRuby_class, "newMethod", "(Lorg/jruby/RubyModule;JI)Lorg/jruby/internal/runtime/methods/DynamicMethod;");

jmethodID RubyModule_addModuleFunction_method = getCachedMethodID(env, RubyModule_class, "addModuleFunction",

"(Ljava/lang/String;Lorg/jruby/internal/runtime/methods/DynamicMethod;)V");

jobject module = valueToObject(env, klass);

env->CallVoidMethod(module, RubyModule_addModuleFunction_method, env->NewStringUTF(meth),

env->CallStaticObjectMethod(JRuby_class, JRuby_newMethod, module, (jlong)(intptr_t) fn, arity));

checkExceptions(env);

if (TYPE(klass) == T_MODULE) {

callMethod(klass, "module_function", 1, ID2SYM(rb_intern(meth)));

}

extern "C" void

rb_define_singleton_method(VALUE object, const char* meth, VALUE(*fn)(ANYARGS), int arity)

{

JLocalEnv env;

jmethodID IRubyObject_getSingletonClass_method = getCachedMethodID(env, IRubyObject_class, "getSingletonClass",

"()Lorg/jruby/RubyClass;");

jobject singleton = env->CallObjectMethod(valueToObject(env, object), IRubyObject_getSingletonClass_method);

jmethodID JRuby_newMethod = getStaticMethodID(env, JRuby_class, "newMethod",

"(Lorg/jruby/RubyModule;JI)Lorg/jruby/internal/runtime/methods/DynamicMethod;");

jmethodID RubyModule_addMethod_method = getCachedMethodID(env, RubyModule_class, "addMethod",

"(Ljava/lang/String;Lorg/jruby/internal/runtime/methods/DynamicMethod;)V");

env->CallVoidMethod(singleton, RubyModule_addMethod_method, env->NewStringUTF(meth),

env->CallStaticObjectMethod(JRuby_class, JRuby_newMethod, singleton, (jlong)(intptr_t) fn, arity));

checkExceptions(env);

}

extern "C" void

rb_undef_method(VALUE klass, const char* method)

{

JLocalEnv env;

jobject ctxt = env->CallObjectMethod(getRuntime(), Ruby_getCurrentContext_method);

checkExceptions(env);

env->CallObjectMethod(valueToObject(env, klass), RubyModule_undef_method, ctxt, env->NewStringUTF(method));

checkExceptions(env);

}

extern "C" void

rb_undef(VALUE klass, ID method)

{

rb_undef_method(klass, rb_id2name(method));

}

extern "C" int

rb_const_defined(VALUE module, ID symbol)

{

return RTEST(rb_const_defined_at(module, symbol))

|| RTEST(callMethod(rb_cObject, "const_defined?", 1, ID2SYM(symbol)));

}

extern "C" int

rb_const_defined_at(VALUE module, ID symbol)

{

return RTEST(callMethod(module, "const_defined?", 1, ID2SYM(symbol)));

}

extern "C" VALUE

rb_const_get(VALUE module, ID symbol)

{

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, RubyModule_class, "getConstant",

"(Ljava/lang/String;)Lorg/jruby/runtime/builtin/IRubyObject;");

jobject c = env->CallObjectMethod(valueToObject(env, module), mid, idToString(env, symbol));

checkExceptions(env);

return objectToValue(env, c);

}

extern "C" VALUE

rb_const_get_at(VALUE module, ID symbol)

{

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, RubyModule_class, "getConstantAt",

"(Ljava/lang/String;)Lorg/jruby/runtime/builtin/IRubyObject;");

jobject c = env->CallObjectMethod(valueToObject(env, module), mid, idToString(env, symbol));

checkExceptions(env);

// Check for null return and call const_missing, if neccessary

return env->IsSameObject(c, NULL) ? callMethod(module, "const_missing", 1, ID2SYM(symbol)) : objectToValue(env, c);

}

extern "C" VALUE

rb_const_get_from(VALUE module, ID symbol)

{

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, RubyModule_class, "getConstantFrom",

"(Ljava/lang/String;)Lorg/jruby/runtime/builtin/IRubyObject;");

jobject c = env->CallObjectMethod(valueToObject(env, module), mid, idToString(env, symbol));

checkExceptions(env);

return objectToValue(env, c);

}

extern "C" void

rb_const_set(VALUE parent, ID name, VALUE object)

{

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, RubyModule_class, "setConstant",

"(Ljava/lang/String;Lorg/jruby/runtime/builtin/IRubyObject;)Lorg/jruby/runtime/builtin/IRubyObject;");

env->CallObjectMethod(valueToObject(env, parent), mid, idToString(env, name),

valueToObject(env, object));

checkExceptions(env);

}

extern "C" void

rb_define_global_function(const char* name, VALUE(*fn)(ANYARGS), int arity)

{

rb_define_module_function(rb_mKernel, name, fn, arity);

}

extern "C" void

rb_undef_alloc_func(VALUE klass)

{

rb_undef_method(rb_singleton_class(klass), "allocate");

}

extern "C" void

rb_alias(VALUE module, ID id_new, ID id_old)

{

callMethod(module, "alias_method", 2, ID2SYM(id_new), ID2SYM(id_old));

}

jruby/cext/src/module.cpp at prepend · MSNexploder/jruby · GitHub

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