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

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* This file is part of jruby-cext.

* This code is free software: you can redistribute it and/or modify it under

* the terms of the GNU General Public License version 3 only, as

* published by the Free Software Foundation.

* This code is distributed in the hope that it will be useful, but WITHOUT

* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

* version 3 for more details.

* You should have received a copy of the GNU General Public License

* version 3 along with this work. If not, see <http://www.gnu.org/licenses/>.

#include <stdio.h>

#include <stdlib.h>

#ifdef __sun

#include <alloca.h>

#endif

#include "jruby.h"

#include "ruby.h"

#include "JLocalEnv.h"

#include "Handle.h"

using namespace jruby;

extern "C" bool

jruby_obj_frozen(VALUE obj)

{

return callMethod(obj, "frozen?", 0) == Qtrue;

}

static VALUE

convert_type(VALUE val, const char* type_name, const char* method, int raise)

{

ID m = rb_intern(method);

if (!rb_respond_to(val, m)) {

if (raise) {

rb_raise(rb_eTypeError, "can't convert %s into %s",

NIL_P(val) ? "nil" :

val == Qtrue ? "true" :

val == Qfalse ? "false" :

rb_obj_classname(val),

type_name);

} else {

return Qnil;

}

return rb_funcall(val, m, 0);

}

extern "C" VALUE

rb_obj_freeze(VALUE obj)

{

return callMethodA(obj, "freeze", 0, NULL);

}

extern "C" char*

rb_obj_classname(VALUE obj)

{

return rb_class2name(rb_class_of(obj));

}

extern "C" void

rb_extend_object(VALUE object, VALUE module)

{

callMethod(object, "extend", 1, module);

}

extern "C" int

rb_respond_to(VALUE obj, ID id)

{

JLocalEnv env;

jboolean ret = env->CallBooleanMethod(valueToObject(env, obj), IRubyObject_respondsTo_method, idToString(env, id));

checkExceptions(env);

return ret != JNI_FALSE;

}

extern "C" int

rb_obj_respond_to(VALUE obj, ID id, int include_private)

{

return RTEST(callMethod(obj, "respond_to?", 2, ID2SYM(id), include_private ? Qtrue : Qfalse));

}

extern "C" VALUE

rb_convert_type(VALUE val, int type, const char* type_name, const char* method)

{

VALUE v;

if (TYPE(val) == type) {

return val;

}

v = convert_type(val, type_name, method, Qtrue);

if (TYPE(v) != type) {

rb_raise(rb_eTypeError, "%s#%s should return %s",

rb_obj_classname(val), method, type_name);

}

return v;

}

extern "C" VALUE

rb_check_convert_type(VALUE val, int type, const char* type_name, const char* method)

{

if (TYPE(val) == type) {

return val;

}

return convert_type(val, type_name, method, 0);

}

extern "C" VALUE

rb_check_to_integer(VALUE object_handle, const char *method_name)

{

if(FIXNUM_P(object_handle)) {

return object_handle;

}

VALUE result = rb_check_convert_type(object_handle, 0, "Integer", method_name);

if(rb_obj_is_kind_of(result, rb_cInteger)) {

return result;

}

return Qnil;

}

extern "C" VALUE

rb_iv_get(VALUE obj, const char* name)

{

JLocalEnv env;

char var_name[strlen(name) + 2];

(name[0] != '@') ? strcpy(var_name, "@")[0] : var_name[0] = '\0';

strcat(var_name, name);

jobject retval = env->CallObjectMethod(valueToObject(env, obj), RubyBasicObject_getInstanceVariable_method,

env->NewStringUTF(var_name));

checkExceptions(env);

return objectToValue(env, retval);

}

extern "C" VALUE

rb_iv_set(VALUE obj, const char* name, VALUE value)

{

JLocalEnv env;

char var_name[strlen(name) + 2];

(name[0] != '@') ? strcpy(var_name, "@")[0] : var_name[0] = '\0';

strcat(var_name, name);

jobject retval = env->CallObjectMethod(valueToObject(env, obj), RubyBasicObject_setInstanceVariable_method,

env->NewStringUTF(var_name), valueToObject(env, value));

checkExceptions(env);

return objectToValue(env, retval);

}

extern "C" VALUE

rb_ivar_get(VALUE obj, ID ivar_name)

{

return rb_iv_get(obj, rb_id2name(ivar_name));

}

extern "C" VALUE

rb_ivar_set(VALUE obj, ID ivar_name, VALUE value)

{

return rb_iv_set(obj, rb_id2name(ivar_name), value);

}

extern "C" VALUE

rb_ivar_defined(VALUE obj, ID ivar)

{

JLocalEnv env;

const char* name = rb_id2name(ivar);

char var_name[strlen(name) + 2];

(name[0] != '@') ? strcpy(var_name, "@")[0] : var_name[0] = '\0';

strcat(var_name, name);

jboolean retval = env->CallBooleanMethod(valueToObject(env, obj), RubyBasicObject_hasInstanceVariable_method,

env->NewStringUTF(var_name));

checkExceptions(env);

return (retval == JNI_TRUE) ? Qtrue : Qfalse;

}

extern "C" void

rb_obj_call_init(VALUE recv, int arg_count, VALUE* args)

{

callMethodANonConst(recv, "initialize", arg_count, args);

}

extern "C" VALUE

rb_obj_is_kind_of(VALUE obj, VALUE module)

{

return callMethod(obj, "kind_of?", 1, module);

}

extern "C" VALUE

rb_obj_is_instance_of(VALUE obj, VALUE klass)

{

return callMethodA(obj, "instance_of?", 1, &klass);

}

extern "C" VALUE

rb_obj_taint(VALUE obj)

{

return callMethodA(obj, "taint", 0, NULL);

}

extern "C" VALUE

rb_obj_tainted(VALUE obj)

{

return callMethodA(obj, "tainted?", 0, NULL);

}

extern "C" VALUE

rb_attr_get(VALUE obj, ID id)

{

return callMethod(obj, "instance_variable_get", 1, ID2SYM(id));

}

extern "C" VALUE

rb_obj_as_string(VALUE obj)

{

VALUE str;

if (TYPE(obj) == T_STRING) {

return obj;

}

str = callMethodA(obj, "to_s", 0, NULL);

if (TYPE(str) != T_STRING) {

return rb_any_to_s(obj);

}

if (OBJ_TAINTED(obj)) {

OBJ_TAINT(str);

}

return str;

}

extern "C" VALUE

rb_to_integer(VALUE val, const char *method)

{

VALUE v;

if (FIXNUM_P(val)) return val;

if (TYPE(val) == T_BIGNUM) return val;

v = convert_type(val, "Integer", method, 1);

if (!rb_obj_is_kind_of(v, rb_cInteger)) {

const char *cname = rb_obj_classname(val);

rb_raise(rb_eTypeError, "can't convert %s to Integer (%s#%s gives %s)",

cname, cname, method, rb_obj_classname(v));

}

return v;

}

extern "C" VALUE

rb_inspect(VALUE obj)

{

return rb_obj_as_string(callMethodA(obj, "inspect", 0, 0));

}

extern "C" VALUE

rb_any_to_s(VALUE obj)

{

char* buf;

int len = 128, buflen;

do {

buf = (char *) alloca(buflen = len);

len = snprintf(buf, buflen, "#<%s:%p>", rb_obj_classname(obj), (void *) obj);

} while (len >= buflen);

return rb_str_new_cstr(buf);

}

extern "C" void

rb_check_frozen(VALUE obj)

{

if (OBJ_FROZEN(obj)) {

rb_raise(is1_9() ? rb_eRuntimeError : rb_eTypeError, "can't modify frozen %s", rb_obj_classname(obj));

}

extern "C" VALUE

rb_singleton_class(VALUE obj)

{

JLocalEnv env;

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

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

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

checkExceptions(env);

return objectToValue(env, singleton);

}

extern "C" VALUE

rb_class_inherited_p(VALUE mod, VALUE arg)

{

if (TYPE(arg) != T_MODULE && TYPE(arg) != T_CLASS) {

rb_raise(rb_eTypeError, "compared with non class/module");

}

return callMethodA(mod, "<=", 1, &arg);

}

extern "C" VALUE

rb_class_superclass(VALUE klass)

{

return callMethodA(klass, "superclass", 0, NULL);

}

extern "C" VALUE

rb_obj_dup(VALUE obj)

{

return callMethod(obj, "dup", 0);

}

extern "C" VALUE

rb_obj_clone(VALUE obj)

{

return callMethod(obj, "clone", 0);

}

extern "C" VALUE

rb_obj_id(VALUE obj)

{

return callMethod(obj, "object_id", 0);

}

extern "C" VALUE

rb_equal(VALUE obj, VALUE other)

{

return RTEST(callMethod(obj, "==", 1, other)) ? Qtrue : Qfalse;

}

extern "C" int

rb_eql(VALUE obj1, VALUE obj2)

{

return RTEST(callMethodA(obj1, "eql?", 1, &obj2));

}

extern "C" void

jruby_infect(VALUE object1, VALUE object2)

{

if (OBJ_TAINTED(object1)) {

JLocalEnv env;

jmethodID mid = getCachedMethodID(env, IRubyObject_class, "infectBy",

"(Lorg/jruby/runtime/builtin/IRubyObject;)Lorg/jruby/runtime/builtin/IRubyObject;");

env->CallObjectMethod(valueToObject(env, object2), mid, object1);

checkExceptions(env);

}

extern "C" VALUE

rb_hash(VALUE obj)

{

VALUE hash = callMethod(obj, "hash", 0);

return convert_type(hash, "Fixnum", "to_int", true);

}

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

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