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1 package org.python.core;
2
3 public class PySuper extends PyObject implements PyType.Newstyle {
4
5
6 public static final String  exposed_name="super";
7
8 public static void typeSetup(PyObject dict,PyType.Newstyle marker) {
9 dict.__setitem__("__thisclass__",new PyGetSetDescr("__thisclass__",PySuper.class,"getThisClass",null));
10 dict.__setitem__("__self__",new PyGetSetDescr("__self__",PySuper.class,"getSelf",null));
11 dict.__setitem__("__self_class__",new PyGetSetDescr("__self_class__",PySuper.class,"getSelfClass",null));
12 class exposed___getattribute__ extends PyBuiltinFunctionNarrow {
13
14 private PySuper self;
15
16 public PyObject getSelf() {
17 return self;
18 }
19
20 exposed___getattribute__(PySuper self,PyBuiltinFunction.Info info) {
21 super(info);
22 this.self=self;
23 }
24
25 public PyBuiltinFunction makeBound(PyObject self) {
26 return new exposed___getattribute__((PySuper)self,info);
27 }
28
29 public PyObject __call__(PyObject arg0) {
30 try {
31 String name=(arg0.asName(0));
32 PyObject ret=self.super___findattr__(name);
33 if (ret==null)
34 self.noAttributeError(name);
35 return ret;
36 } catch (PyObject.ConversionException e) {
37 String msg;
38 switch (e.index) {
39 case 0:
40 msg="attribute name must be string";
41 break;
42 default:
43 msg="xxx";
44 }
45 throw Py.TypeError(msg);
46 }
47 }
48
49 public PyObject inst_call(PyObject gself,PyObject arg0) {
50 PySuper self=(PySuper)gself;
51 try {
52 String name=(arg0.asName(0));
53 PyObject ret=self.super___findattr__(name);
54 if (ret==null)
55 self.noAttributeError(name);
56 return ret;
57 } catch (PyObject.ConversionException e) {
58 String msg;
59 switch (e.index) {
60 case 0:
61 msg="attribute name must be string";
62 break;
63 default:
64 msg="xxx";
65 }
66 throw Py.TypeError(msg);
67 }
68 }
69
70 }
71 dict.__setitem__("__getattribute__",new PyMethodDescr("__getattribute__",PySuper.class,1,1,new exposed___getattribute__(null,null)));
72 class exposed___get__ extends PyBuiltinFunctionNarrow {
73
74 private PySuper self;
75
76 public PyObject getSelf() {
77 return self;
78 }
79
80 exposed___get__(PySuper self,PyBuiltinFunction.Info info) {
81 super(info);
82 this.self=self;
83 }
84
85 public PyBuiltinFunction makeBound(PyObject self) {
86 return new exposed___get__((PySuper)self,info);
87 }
88
89 public PyObject __call__(PyObject arg0,PyObject arg1) {
90 PyObject obj=(arg0==Py.None)?null:arg1;
91 PyObject type=(arg1==Py.None)?null:arg0;
92 return self.super___get__(obj,type);
93 }
94
95 public PyObject inst_call(PyObject gself,PyObject arg0,PyObject arg1) {
96 PySuper self=(PySuper)gself;
97 PyObject obj=(arg0==Py.None)?null:arg1;
98 PyObject type=(arg1==Py.None)?null:arg0;
99 return self.super___get__(obj,type);
100 }
101
102 public PyObject __call__(PyObject arg0) {
103 PyObject obj=(arg0==Py.None)?null:(null);
104 PyObject type=((null)==Py.None)?null:arg0;
105 return self.super___get__(obj,type);
106 }
107
108 public PyObject inst_call(PyObject gself,PyObject arg0) {
109 PySuper self=(PySuper)gself;
110 PyObject obj=(arg0==Py.None)?null:(null);
111 PyObject type=((null)==Py.None)?null:arg0;
112 return self.super___get__(obj,type);
113 }
114
115 }
116 dict.__setitem__("__get__",new PyMethodDescr("__get__",PySuper.class,1,2,new exposed___get__(null,null)));
117 class exposed___init__ extends PyBuiltinFunctionWide {
118
119 private PySuper self;
120
121 public PyObject getSelf() {
122 return self;
123 }
124
125 exposed___init__(PySuper self,PyBuiltinFunction.Info info) {
126 super(info);
127 this.self=self;
128 }
129
130 public PyBuiltinFunction makeBound(PyObject self) {
131 return new exposed___init__((PySuper)self,info);
132 }
133
134 public PyObject inst_call(PyObject self,PyObject[]args) {
135 return inst_call(self,args,Py.NoKeywords);
136 }
137
138 public PyObject __call__(PyObject[]args) {
139 return __call__(args,Py.NoKeywords);
140 }
141
142 public PyObject __call__(PyObject[]args,String []keywords) {
143 self.super_init(args,keywords);
144 return Py.None;
145 }
146
147 public PyObject inst_call(PyObject gself,PyObject[]args,String []keywords) {
148 PySuper self=(PySuper)gself;
149 self.super_init(args,keywords);
150 return Py.None;
151 }
152
153 }
154 dict.__setitem__("__init__",new PyMethodDescr("__init__",PySuper.class,-1,-1,new exposed___init__(null,null)));
155 dict.__setitem__("__new__",new PyNewWrapper(PySuper.class,"__new__",-1,-1) {
156
157 public PyObject new_impl(boolean init,PyType subtype,PyObject[]args,String []keywords) {
158 PySuper newobj;
159 if (for_type==subtype) {
160 newobj=new PySuper();
161 if (init)
162 newobj.super_init(args,keywords);
163 } else {
164 newobj=null; }
166 return newobj;
167 }
168
169 });
170 }
171
172 protected PyType thisClass;
173 protected PyObject self;
174 protected PyType selfClass;
175
176 private PyType supercheck(PyType type,PyObject obj) {
177 if (obj instanceof PyType && ((PyType)obj).isSubType(type)) {
178 return (PyType)obj;
179 }
180 PyType obj_type = obj.getType();
181 if (obj_type.isSubType(type))
182 return obj_type;
183 throw Py.TypeError("super(type, obj): "+
184 "obj must be an instance or subtype of type");
185 }
186
187 public void super_init(PyObject[] args, String [] keywords) {
188 if (keywords.length != 0
189 || !PyBuiltinFunction.DefaultInfo.check(args.length, 1, 2)) {
190 throw PyBuiltinFunction.DefaultInfo.unexpectedCall(args.length,
191 keywords.length != 0, "super", 1, 2);
192 }
193 if (!(args[0] instanceof PyType)) {
194 throw Py.TypeError("super: argument 1 must be type");
195 }
196 PyType type = (PyType)args[0];
197 PyObject obj = null;
198 PyType obj_type = null;
199 if (args.length == 2 && args[1] != Py.None)
200 obj = args[1];
201 if (obj != null) {
202 obj_type = supercheck(type, obj);
203 }
204 this.thisClass = type;
205 this.self = obj;
206 this.selfClass = obj_type;
207 }
208
209 public PySuper() {
210 }
211
212 public PyObject getSelf() {
213 return self;
214 }
215 public PyType getSelfClass() {
216 return selfClass;
217 }
218 public PyType getThisClass() {
219 return thisClass;
220 }
221
222 public PyObject __findattr__(String name) {
223 return super___findattr__(name);
224 }
225
226 final PyObject super___findattr__(String name) {
227 if (selfClass != null && name != "__class__") {
228 PyObject descr = selfClass.super_lookup(thisClass, name);
229 return descr.__get__(selfClass == self ? null : self, selfClass);
230 }
231 return super.__findattr__(name);
232 }
233
234 public PyObject __get__(PyObject obj, PyObject type) {
235 return super___get__(obj,type);
236 }
237
238 final PyObject super___get__(PyObject obj, PyObject type) { if (obj == null || obj == Py.None || self != null)
240 return this;
241 PyType obj_type = supercheck(this.thisClass, obj);
242 PySuper newsuper = new PySuper();
243 newsuper.thisClass = this.thisClass;
244 newsuper.self = obj;
245 newsuper.selfClass = obj_type;
246 return newsuper;
247 }
248
249 }
250 |
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