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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg2/java/lang/reflect (18 of 18352 files). Show all

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18 files
  1. java/pkg2/java/lang/reflect/Array.java +0 −0
  2. java/pkg2/java/lang/reflect/Array_L.b +417 −0
  3. java/pkg2/java/lang/reflect/Array_L.m +33 −0
  4. java/pkg2/java/lang/reflect/Constructor.java +0 −0
  5. java/pkg2/java/lang/reflect/Constructor_L.b +90 −0
  6. java/pkg2/java/lang/reflect/Constructor_L.m +18 −0
  7. java/pkg2/java/lang/reflect/Field.java +0 −0
  8. java/pkg2/java/lang/reflect/Field_L.b +469 −0
  9. java/pkg2/java/lang/reflect/Field_L.m +35 −0
  10. java/pkg2/java/lang/reflect/InvocationTargetExcepti..a +0 −0
  11. java/pkg2/java/lang/reflect/Member.java +0 −0
  12. java/pkg2/java/lang/reflect/Method.java +0 −0
  13. java/pkg2/java/lang/reflect/Method_L.b +117 −0
  14. java/pkg2/java/lang/reflect/Method_L.m +20 −0
  15. java/pkg2/java/lang/reflect/Modifier.java +0 −0
  16. java/pkg2/java/lang/reflect/mkfile +46 −0
  17. java/pkg2/java/lang/reflect/reflect.b +327 −0
  18. java/pkg2/java/lang/reflect/reflect.m +19 −0
java/pkg2/java/lang/reflect/Array.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/Array_L.b+417−0
@@ -0,0 +1,417 @@
1+implement Array_L;
2+
3+# javal v1.5 generated file: edit with care
4+
5+include "jni.m";
6+ jni : JNI;
7+ ClassModule,
8+ JString,
9+ JArray,
10+ JArrayI,
11+ JArrayC,
12+ JArrayB,
13+ JArrayS,
14+ JArrayJ,
15+ JArrayF,
16+ JArrayD,
17+ JArrayZ,
18+ JArrayJObject,
19+ JArrayJClass,
20+ JArrayJString,
21+ JClass,
22+ JThread,
23+ JObject : import jni;
24+
25+#>> extra pre includes here
26+
27+ ClassData,
28+ Value : import jni;
29+
30+ jldr : JavaClassLoader;
31+
32+#<<
33+
34+include "Array_L.m";
35+
36+#>> extra post includes here
37+
38+include "reflect.m";
39+ refl : Reflect;
40+ widen : import refl;
41+
42+array_class : ClassData;
43+
44+badindex := "java.lang.ArrayIndexOutOfBoundsException";
45+illegalarg := "java.lang.IllegalArgumentException";
46+nullptr := "java.lang.NullPointerException";
47+
48+ cast : Cast;
49+
50+#<<
51+
52+init( jni_p : JNI )
53+{
54+ # save java native inteface mod instance
55+ jni = jni_p;
56+ #>>extra initialization here
57+ array_class = jni->FindClass("inferno/vm/Array");
58+
59+ jldr = jni->jldr;
60+ cast = jni->CastMod();
61+ refl = load Reflect Reflect->PATH;
62+ if ( refl == nil )
63+ jni->InitError( jni->sys->sprint( "java.lang.reflect.Array: could not load %s: %r", Reflect->PATH ) );
64+ else
65+ refl->init(jni);
66+
67+ #<<
68+}
69+
70+getLength_rObject_I( p0 : JObject) : int
71+{#>>
72+ # p0 - must be a Java array; if not, exceptions are thrown
73+ # Returns the integer length of the array.
74+
75+ if ( p0 == nil )
76+ jni->ThrowException(nullptr, "");
77+ if ( jni->IsArray(p0) == JNI->FALSE)
78+ jni->ThrowException(illegalarg, "Not an array");
79+ return jni->GetArrayLength(cast->ToJArray(p0));
80+}#<<
81+
82+get_rObject_I_rObject( p0 : JObject,p1 : int) : JObject
83+{#>>
84+ # p0 - a Java object, which must be an array, else exception occurs.
85+ # p1 - an index into the array, >= 0 and < length of array
86+ # Returns the element at that index. If the array is of a primitive
87+ # type, it is put in an appropriate wrapper class instance.
88+
89+ checksOK(p0, p1);
90+
91+ #
92+ # Need to figure out what kind of an array this is, then get the
93+ # requested element and convert it to an appropriate JObject.
94+ #
95+ (typ, elem) := GetArrayElement(p0, p1);
96+ #(typ, elem) := jni->GetArrayElement(p0, p1);
97+
98+ if ( typ == 0 ) # array of Objects. good.
99+ return elem.Object();
100+
101+ if ( typ >= JNI->T_BOOLEAN && typ <= JNI->T_LONG )
102+ return refl->ValueToObject(elem);
103+
104+ return nil;
105+}#<<
106+
107+getBoolean_rObject_I_Z( p0 : JObject,p1 : int) : int
108+{#>>
109+ # p0 - a Java object, which must be an array, else exception occurs.
110+ # p1 - an index into the array, >= 0 and < length of array
111+ # Returns the element at that index as a boolean value. If the array
112+ # is not an array of something that can be converted to a boolean by
113+ # widening (and for boolean that's nothing), then getprim will throw
114+ # an exception.
115+
116+ return getprim(p0, p1, JNI->T_BOOLEAN, "boolean").Boolean();
117+}#<<
118+
119+getByte_rObject_I_B( p0 : JObject,p1 : int) : int
120+{#>>
121+ # See comments in getBoolean_rObject_I_Z, above
122+
123+ return getprim(p0, p1, JNI->T_BYTE, "byte").Byte();
124+}#<<
125+
126+getChar_rObject_I_C( p0 : JObject,p1 : int) : int
127+{#>>
128+ # See comments in getBoolean_rObject_I_Z, above
129+
130+ return getprim(p0, p1, JNI->T_CHAR, "char").Char();
131+}#<<
132+
133+getShort_rObject_I_S( p0 : JObject,p1 : int) : int
134+{#>>
135+ # See comments in getBoolean_rObject_I_Z, above
136+
137+ return getprim(p0, p1, JNI->T_SHORT, "short").Short();
138+}#<<
139+
140+getInt_rObject_I_I( p0 : JObject,p1 : int) : int
141+{#>>
142+ # See comments in getBoolean_rObject_I_Z, above
143+
144+ return getprim(p0, p1, JNI->T_INT, "int").Int();
145+}#<<
146+
147+getLong_rObject_I_J( p0 : JObject,p1 : int) : big
148+{#>>
149+ # See comments in getBoolean_rObject_I_Z, above
150+
151+ return getprim(p0, p1, JNI->T_LONG, "long").Long();
152+}#<<
153+
154+getFloat_rObject_I_F( p0 : JObject,p1 : int) : real
155+{#>>
156+ # See comments in getBoolean_rObject_I_Z, above
157+
158+ return getprim(p0, p1, JNI->T_FLOAT, "float").Float();
159+}#<<
160+
161+getDouble_rObject_I_D( p0 : JObject,p1 : int) : real
162+{#>>
163+ # See comments in getBoolean_rObject_I_Z, above
164+
165+ return getprim(p0, p1, JNI->T_DOUBLE, "double").Double();
166+}#<<
167+
168+set_rObject_I_rObject_V( p0 : JObject,p1 : int,p2 : JObject)
169+{#>>
170+ # p0 - a Java array. If null or not an array, exception.
171+ # p1 - index into the array. If < 0 or >= length of array, exception.
172+ # p2 - a value to put into the array at the specified index. If p0 is
173+ # an array of JObject, p2 must be an instance of the appropriate
174+ # class. If p0 is an array of a primitive Java type, then p2 must
175+ # be a wrapper of a primitive type that can be converted to the
176+ # the array's type by widening.
177+
178+ checksOK(p0, p1);
179+
180+ objarray := cast->ToJArray(p0);
181+ typ := objarray.primitive;
182+ if ( typ == 0 ) { # an Object array
183+ if ( jni->IsInstanceOf(p2, objarray.class) == JNI->TRUE ) {
184+ cast->JArrayToObject(objarray).ary[p1] = p2;
185+ return;
186+ }
187+ }
188+ else if ( typ >= JNI->T_BOOLEAN && typ <= JNI->T_LONG ) {
189+ (stype, val) := refl->GetVal(p2);
190+ if ( stype != 0 && (val = widen(stype, typ, val)) != nil ) {
191+ SetArrayElement(p0, p1, val);
192+ return;
193+ }
194+ }
195+ jni->ThrowException(illegalarg, "Argument can't be cast to array element");
196+}#<<
197+
198+setBoolean_rObject_I_Z_V( p0 : JObject,p1 : int,p2 : int)
199+{#>>
200+ # p0[p1] = p2
201+ # where p2 is a boolean value, and it must be possible to convert it by
202+ # widening to the type array p0.
203+
204+ putprim(p0, p1, JNI->T_BOOLEAN, "boolean", ref Value.TBoolean(p2));
205+}#<<
206+
207+setByte_rObject_I_B_V( p0 : JObject,p1 : int,p2 : int)
208+{#>>
209+ # see comments for setBoolean_rObject_I_Z_V, above.
210+
211+ putprim(p0, p1, JNI->T_BYTE, "byte", ref Value.TByte(p2));
212+}#<<
213+
214+setChar_rObject_I_C_V( p0 : JObject,p1 : int,p2 : int)
215+{#>>
216+ # see comments for setBoolean_rObject_I_Z_V, above.
217+
218+ putprim(p0, p1, JNI->T_CHAR, "char", ref Value.TChar(p2));
219+}#<<
220+
221+setShort_rObject_I_S_V( p0 : JObject,p1 : int,p2 : int)
222+{#>>
223+ # see comments for setBoolean_rObject_I_Z_V, above.
224+
225+ putprim(p0, p1, JNI->T_SHORT, "short", ref Value.TShort(p2));
226+}#<<
227+
228+setInt_rObject_I_I_V( p0 : JObject,p1 : int,p2 : int)
229+{#>>
230+ # see comments for setBoolean_rObject_I_Z_V, above.
231+
232+ putprim(p0, p1, JNI->T_INT, "int", ref Value.TInt(p2));
233+}#<<
234+
235+setLong_rObject_I_J_V( p0 : JObject,p1 : int,p2 : big)
236+{#>>
237+ # see comments for setBoolean_rObject_I_Z_V, above.
238+
239+ putprim(p0, p1, JNI->T_LONG, "long", ref Value.TLong(p2));
240+}#<<
241+
242+setFloat_rObject_I_F_V( p0 : JObject,p1 : int,p2 : real)
243+{#>>
244+ # see comments for setBoolean_rObject_I_Z_V, above.
245+
246+ putprim(p0, p1, JNI->T_FLOAT, "float", ref Value.TFloat(p2));
247+}#<<
248+
249+setDouble_rObject_I_D_V( p0 : JObject,p1 : int,p2 : real)
250+{#>>
251+ # see comments for setBoolean_rObject_I_Z_V, above.
252+
253+ putprim(p0, p1, JNI->T_DOUBLE, "double", ref Value.TDouble(p2));
254+}#<<
255+
256+newArray(jclass: JClass, bounds: array of int): JObject
257+{
258+ # Create a Java array whose components belong to class jclass.
259+ # jclass may be a class object representing a primitive type.
260+ # bounds gives the length of each dimension.
261+
262+ dims := len bounds;
263+ cldata: ClassData;
264+
265+ # See if the class represents a primitive type.
266+ typ := jni->PrimitiveIndex(jclass, 1);
267+
268+ # If jclass represents an array, then component type of array
269+ # being created is component type of jclass.
270+ s := jclass.aryname;
271+ if(s != nil) {
272+ # count [s in aryname
273+ n := 1;
274+ while(s[n] == '[')
275+ n++;
276+ dims += n;
277+ typ = refl->SigToType(s[n:]);
278+ if(typ == 0)
279+ cldata = jni->FindClass(s[n+1:len s - 1]);
280+ } else if(typ == 0) { # jclass is not array and not primitive
281+ cldata = jclass.class;
282+ }
283+
284+ return cast->FromJArray(jldr->multianewarray(dims, cldata, typ, bounds));
285+}
286+
287+newArray_rClass_I_rObject( p0 : JClass,p1 : int) : JObject
288+{#>>
289+ if ( p0 == nil )
290+ jni->ThrowException(nullptr, "");
291+
292+ return newArray(p0, array [1] of { p1 });
293+}#<<
294+
295+multiNewArray_rClass_aI_rObject( p0 : JClass,p1 : JArrayI) : JObject
296+{#>>
297+ if ( p0 == nil || p1 == nil )
298+ jni->ThrowException(nullptr, "");
299+
300+ ln := len p1.ary;
301+
302+ if ( ln < 1 || ln > 255 )
303+ jni->ThrowException(illegalarg, "dimensions out of range [1,255]");
304+
305+ return newArray(p0, p1.ary);
306+}#<<
307+
308+# An argument verification routine for use by native methods. The
309+# first argument must be non-null, and a Java array. (These conditions
310+# are actually check by calling getLength_rObject.) The second
311+# argument must be a valid index into that array. There is no return
312+# value: if the conditions above are not met, an exception is thrown;
313+# hence the routine does not return in this case. A successful return
314+# indicates the arguments are O.K.
315+#
316+checksOK(o : JObject, ix : int)
317+{
318+ if ( ix >= getLength_rObject_I(o) || ix < 0 )
319+ jni->ThrowException(badindex, "Illegal index");
320+ return;
321+}
322+#
323+# Gets element 'index' of Java array 'o' and returns it as a ref Value
324+# of the type corresponding to Java type index 'want'. String 's'
325+# is used only in creating the exception message, and should correspond
326+# to 'want'. o must be non-null and refer to a Java array, index must
327+# within range, and the array must be of a primitive type that can
328+# be made into the requested type by a widening conversion. If any of
329+# these conditions are not met, an exception is thrown.
330+#
331+getprim( o : JObject, index : int, want : int, s : string) : ref Value
332+{
333+ checksOK(o, index);
334+
335+ (typ, elem) := GetArrayElement(o, index);
336+ if ( (wider := widen(typ, want, elem)) == nil ) {
337+ if ( s != nil )
338+ jni->ThrowException(illegalarg, "Can't cast array element to " + s);
339+ else
340+ jni->ThrowException(illegalarg, "Can't cast array element");
341+ }
342+ return wider;
343+}
344+#
345+# Sets element 'index' of Java array 'o' to the ref Value 'val'
346+# of the type corresponding to Java type index 'have'. String 's'
347+# is used only in creating the exception message, and should correspond
348+# to 'have'. o must be non-null and refer to a Java array, index must
349+# within range, and the array must be of a primitive type that can
350+# be made from the provided type by a widening conversion. If any of
351+# these conditions are not met, an exception is thrown.
352+#
353+putprim( o : JObject, index : int, have : int, s : string, val : ref Value)
354+{
355+ checksOK(o, index);
356+
357+ typ := cast->ToJArray(o).primitive;
358+ if ( (val = widen(have, typ, val)) == nil ) {
359+ if ( s != nil )
360+ jni->ThrowException(illegalarg,
361+ "Can't put input value into " + s + " array");
362+ else
363+ jni->ThrowException(illegalarg,
364+ "Can't put input value into array");
365+ }
366+ SetArrayElement(o, index, val);
367+ #jni->SetArrayElement(o, index, val);
368+}
369+#
370+# Get the element at index from the Java array o and return it in
371+# in an appropriate member of the Value union.
372+# The arguments should have been verified before calling this function.
373+#
374+GetArrayElement( o : JObject, index : int ) : (int, ref Value)
375+{
376+ a := cast->ToJArray(o);
377+ val : ref Value;
378+ case a.primitive {
379+ 0 =>
380+ val = ref Value.TObject(cast->JArrayToObject(a).ary[index]);
381+ JNI->T_BOOLEAN =>
382+ val = ref Value.TBoolean(int cast->JArrayToByte(a).ary[index]);
383+ JNI->T_BYTE =>
384+ val = ref Value.TByte(int cast->JArrayToByte(a).ary[index]);
385+ JNI->T_CHAR =>
386+ val = ref Value.TChar(cast->JArrayToInt(a).ary[index]);
387+ JNI->T_SHORT =>
388+ val = ref Value.TShort(cast->JArrayToInt(a).ary[index]);
389+ JNI->T_INT =>
390+ val = ref Value.TInt(cast->JArrayToInt(a).ary[index]);
391+ JNI->T_LONG =>
392+ val = ref Value.TLong(cast->JArrayToBig(a).ary[index]);
393+ JNI->T_FLOAT =>
394+ val = ref Value.TFloat(cast->JArrayToReal(a).ary[index]);
395+ JNI->T_DOUBLE =>
396+ val = ref Value.TDouble(cast->JArrayToReal(a).ary[index]);
397+ }
398+ return (a.primitive, val);
399+}
400+#
401+# Set the element at index from the Java array o to 'val',
402+# The arguments should have been verified before calling this function.
403+#
404+SetArrayElement( o : JObject, index : int, val : ref Value)
405+{
406+ a := cast->ToJArray(o);
407+ pick sw := val {
408+ TBoolean => cast->JArrayToByte(a).ary[index] = byte sw.jboolean;
409+ TByte => cast->JArrayToByte(a).ary[index] = byte sw.jbyte;
410+ TChar => cast->JArrayToInt(a).ary[index] = sw.jchar;
411+ TShort => cast->JArrayToInt(a).ary[index] = sw.jshort;
412+ TInt => cast->JArrayToInt(a).ary[index] = sw.jint;
413+ TLong => cast->JArrayToBig(a).ary[index] = sw.jlong;
414+ TFloat => cast->JArrayToReal(a).ary[index] = sw.jfloat;
415+ TDouble => cast->JArrayToReal(a).ary[index] = sw.jdouble;
416+ }
417+}
java/pkg2/java/lang/reflect/Array_L.m+33−0
@@ -0,0 +1,33 @@
1+# javal v1.5 generated file: edit with care
2+
3+Array_L : module
4+{
5+ Array_obj : adt
6+ {
7+ cl_mod : ClassModule;
8+ };
9+
10+ init : fn( jni_p : JNI );
11+ getLength_rObject_I : fn( p0 : JObject) : int;
12+ get_rObject_I_rObject : fn( p0 : JObject,p1 : int) : JObject;
13+ getBoolean_rObject_I_Z : fn( p0 : JObject,p1 : int) : int;
14+ getByte_rObject_I_B : fn( p0 : JObject,p1 : int) : int;
15+ getChar_rObject_I_C : fn( p0 : JObject,p1 : int) : int;
16+ getShort_rObject_I_S : fn( p0 : JObject,p1 : int) : int;
17+ getInt_rObject_I_I : fn( p0 : JObject,p1 : int) : int;
18+ getLong_rObject_I_J : fn( p0 : JObject,p1 : int) : big;
19+ getFloat_rObject_I_F : fn( p0 : JObject,p1 : int) : real;
20+ getDouble_rObject_I_D : fn( p0 : JObject,p1 : int) : real;
21+ set_rObject_I_rObject_V : fn( p0 : JObject,p1 : int,p2 : JObject);
22+ setBoolean_rObject_I_Z_V : fn( p0 : JObject,p1 : int,p2 : int);
23+ setByte_rObject_I_B_V : fn( p0 : JObject,p1 : int,p2 : int);
24+ setChar_rObject_I_C_V : fn( p0 : JObject,p1 : int,p2 : int);
25+ setShort_rObject_I_S_V : fn( p0 : JObject,p1 : int,p2 : int);
26+ setInt_rObject_I_I_V : fn( p0 : JObject,p1 : int,p2 : int);
27+ setLong_rObject_I_J_V : fn( p0 : JObject,p1 : int,p2 : big);
28+ setFloat_rObject_I_F_V : fn( p0 : JObject,p1 : int,p2 : real);
29+ setDouble_rObject_I_D_V : fn( p0 : JObject,p1 : int,p2 : real);
30+ newArray_rClass_I_rObject : fn( p0 : JClass,p1 : int) : JObject;
31+ multiNewArray_rClass_aI_rObject : fn( p0 : JClass,p1 : JArrayI) : JObject;
32+
33+};
java/pkg2/java/lang/reflect/Constructor.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/Constructor_L.b+90−0
@@ -0,0 +1,90 @@
1+implement Constructor_L;
2+
3+include "jni.m";
4+ jni : JNI;
5+ ClassModule,
6+ JString,
7+ JArray,
8+ JArrayI,
9+ JArrayC,
10+ JArrayB,
11+ JArrayS,
12+ JArrayJ,
13+ JArrayF,
14+ JArrayD,
15+ JArrayZ,
16+ JArrayJObject,
17+ JArrayJClass,
18+ JArrayJString,
19+ JClass,
20+ JObject : import jni;
21+
22+#>> extra pre includes here
23+
24+ Value,
25+ ClassData,
26+ jldr : import jni;
27+
28+ Object : import jldr;
29+
30+#<<
31+
32+include "Constructor_L.m";
33+
34+#>> extra post includes here
35+
36+illegalarg := "java.lang.IllegalArgumentException";
37+nullptr := "java.lang.NullPointerException";
38+
39+include "reflect.m";
40+ refl : Reflect;
41+ widen : import refl;
42+
43+#<<
44+
45+init( jni_p : JNI )
46+{
47+ # save java native inteface mod instance
48+ jni = jni_p;
49+ #>>extra initialization here
50+ refl = load Reflect Reflect->PATH;
51+ if ( refl == nil )
52+ jni->InitError( jni->sys->sprint( "java.lang.reflect.Constructor: could not load %s: %r", Reflect->PATH ) );
53+ else
54+ refl->init(jni);
55+ #<<
56+}
57+
58+getModifiers_I( this : ref Constructor_obj) : int
59+{#>>
60+ #
61+ # Assume that lower part of slot has modifier bits.
62+ #
63+ return this.slot & 16rffff;
64+}#<<
65+
66+newInstance_aObject_rObject( this : ref Constructor_obj, p0 : JArrayJObject) : JObject
67+{#>>
68+ # this - a Constructor object representing a constructor of some class
69+ # p0 - a Java array of Objects, containing argument values for the
70+ # the constructor
71+ # Returns a new instance, constructed by the 'this' constructor.
72+ #
73+ # Check inputs and build the argument list.
74+ #
75+ args := refl->BuildArgList(this.parameterTypes, p0);
76+ #
77+ # Allocate a new object, then do the call.
78+ #
79+ newobj := jni->AllocObject(this.clazz.class);
80+
81+ # Eventually may be able to do something like
82+ # (result, ok) = jni->CallConstruct(newobj, this.slot, args);
83+
84+ fld := this.clazz.class.initmethods[this.slot >> 16];
85+ (nil, ok) := jni->CallMethod(newobj, fld.field, fld.signature, args);
86+
87+ if ( ok == JNI->OK )
88+ return newobj;
89+ return nil;
90+}#<<
java/pkg2/java/lang/reflect/Constructor_L.m+18−0
@@ -0,0 +1,18 @@
1+# generated file edit with care
2+
3+Constructor_L : module
4+{
5+ Constructor_obj : adt
6+ {
7+ cl_mod : ClassModule;
8+ clazz : JClass;
9+ slot : int;
10+ parameterTypes : JArrayJClass;
11+ exceptionTypes : JArrayJClass;
12+ };
13+
14+ init : fn( jni_p : JNI );
15+ getModifiers_I : fn( this : ref Constructor_obj) : int;
16+ newInstance_aObject_rObject : fn( this : ref Constructor_obj, p0 : JArrayJObject) : JObject;
17+
18+};
java/pkg2/java/lang/reflect/Field.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/Field_L.b+469−0
@@ -0,0 +1,469 @@
1+implement Field_L;
2+
3+# javal v1.5 generated file: edit with care
4+
5+include "jni.m";
6+ jni : JNI;
7+ ClassModule,
8+ JString,
9+ JArray,
10+ JArrayI,
11+ JArrayC,
12+ JArrayB,
13+ JArrayS,
14+ JArrayJ,
15+ JArrayF,
16+ JArrayD,
17+ JArrayZ,
18+ JArrayJObject,
19+ JArrayJClass,
20+ JArrayJString,
21+ JClass,
22+ JThread,
23+ JObject : import jni;
24+
25+#>> extra pre includes here
26+
27+ Value,
28+ ClassData : import jni;
29+ jldr : JavaClassLoader;
30+ Object,
31+ Class : import jldr;
32+
33+#<<
34+
35+include "Field_L.m";
36+
37+#>> extra post includes here
38+
39+include "reflect.m";
40+ refl : Reflect;
41+
42+STATIC, NONSTATIC : con iota;
43+
44+illegalacc,
45+illegalarg,
46+nullptr : string;
47+
48+#<<
49+
50+init( jni_p : JNI )
51+{
52+ # save java native inteface mod instance
53+ jni = jni_p;
54+ #>>extra initialization here
55+ jldr = jni->jldr;
56+
57+ illegalacc = "java.lang.IllegalAccessException";
58+ illegalarg = "java.lang.IllegalArgumentException";
59+ nullptr = "java.lang.NullPointerException";
60+
61+ refl = load Reflect Reflect->PATH;
62+ if ( refl == nil )
63+ jni->InitError( jni->sys->sprint( "java.lang.reflect.Field: could not load %s: %r", Reflect->PATH ) );
64+ else
65+ refl->init(jni);
66+
67+ #<<
68+}
69+
70+getModifiers_I( this : ref Field_obj) : int
71+{#>>
72+ #
73+ # Assume that lower part of slot points has modifier bits.
74+ #
75+ return this.slot & 16rffff;
76+}#<<
77+
78+get_rObject_rObject( this : ref Field_obj, p0 : JObject) : JObject
79+{#>>
80+ val := getChecks(this, p0);
81+
82+ typ := refl->ValType(val);
83+
84+ if ( typ == 0 ) # array of Objects. good.
85+ return val.Object();
86+
87+ if ( typ >= JNI->T_BOOLEAN && typ <= JNI->T_LONG )
88+ return refl->ValueToObject(val);
89+ return nil;
90+}#<<
91+
92+getBoolean_rObject_Z( this : ref Field_obj, p0 : JObject) : int
93+{#>>
94+ val := getChecks(this, p0);
95+
96+ pick sw := val {
97+ TBoolean => return sw.jboolean;
98+ }
99+ jni->ThrowException(illegalarg, "Can't convert to boolean");
100+ return JNI->FALSE;
101+}#<<
102+
103+getByte_rObject_B( this : ref Field_obj, p0 : JObject) : int
104+{#>>
105+ val := getChecks(this, p0);
106+
107+ pick sw := val {
108+ TByte => return sw.jbyte;
109+ }
110+ jni->ThrowException(illegalarg, "Can't convert to byte");
111+ return JNI->FALSE;
112+}#<<
113+
114+getChar_rObject_C( this : ref Field_obj, p0 : JObject) : int
115+{#>>
116+ val := getChecks(this, p0);
117+
118+ pick sw := val {
119+ TChar => return sw.jchar;
120+ }
121+ jni->ThrowException(illegalarg, "Can't convert to char");
122+ return 0;
123+}#<<
124+
125+getShort_rObject_S( this : ref Field_obj, p0 : JObject) : int
126+{#>>
127+ val := getChecks(this, p0);
128+
129+ pick sw := val {
130+ TByte => return int sw.jbyte;
131+ TShort => return sw.jshort;
132+ }
133+ jni->ThrowException(illegalarg, "Can't convert to short");
134+ return 0;
135+}#<<
136+
137+getInt_rObject_I( this : ref Field_obj, p0 : JObject) : int
138+{#>>
139+ val := getChecks(this, p0);
140+
141+ pick sw := val {
142+ TByte => return int sw.jbyte;
143+ TChar => return sw.jchar;
144+ TShort => return sw.jshort;
145+ TInt => return sw.jint;
146+ }
147+ jni->ThrowException(illegalarg, "Can't convert to int");
148+ return 0;
149+}#<<
150+
151+getLong_rObject_J( this : ref Field_obj, p0 : JObject) : big
152+{#>>
153+ val := getChecks(this, p0);
154+
155+ pick sw := val {
156+ TByte => return big sw.jbyte;
157+ TChar => return big sw.jchar;
158+ TShort => return big sw.jshort;
159+ TInt => return big sw.jint;
160+ TLong => return sw.jlong;
161+ }
162+ jni->ThrowException(illegalarg, "Can't convert to long");
163+ return big 0;
164+}#<<
165+
166+getFloat_rObject_F( this : ref Field_obj, p0 : JObject) : real
167+{#>>
168+ val := getChecks(this, p0);
169+
170+ pick sw := val {
171+ TByte => return real sw.jbyte;
172+ TChar => return real sw.jchar;
173+ TShort => return real sw.jshort;
174+ TInt => return real sw.jint;
175+ TLong => return real sw.jlong;
176+ TFloat => return sw.jfloat;
177+ }
178+ jni->ThrowException(illegalarg, "Can't convert to float");
179+ return 0.0;
180+}#<<
181+
182+getDouble_rObject_D( this : ref Field_obj, p0 : JObject) : real
183+{#>>
184+ val := getChecks(this, p0);
185+
186+ pick sw := val {
187+ TByte => return real sw.jbyte;
188+ TChar => return real sw.jchar;
189+ TShort => return real sw.jshort;
190+ TInt => return real sw.jint;
191+ TLong => return real sw.jlong;
192+ TFloat => return sw.jfloat;
193+ TDouble => return sw.jdouble;
194+ }
195+ jni->ThrowException(illegalarg, "Can't convert to double");
196+ return 0.0;
197+}#<<
198+
199+set_rObject_rObject_V( this : ref Field_obj, p0 : JObject,p1 : JObject)
200+{#>>
201+ want := putChecks(this, p0);
202+ clazz := jni->GetObjectClass(p1);
203+
204+ if ( want == 0 ) { # field value is Object
205+ p := ref Value.TObject;
206+ if ( jni->IsAssignable(clazz, this.clazz) == JNI->TRUE ) {
207+ p.jobj = p1;
208+ SetField(this, p0, p);
209+ return;
210+ }
211+ else {
212+ jni->ThrowException(illegalarg, "Can't safely cast");
213+ return;
214+ }
215+ }
216+ # The field is a primitive type. Then p1 better be a wrapper for that
217+ # type. (Or is it okay if it's a wrapper for something that can be
218+ # safely cast to the target type?)
219+ #
220+ # is p1 a Boolean object, or sub-classed from a Boolean object,
221+ # or a String with value "true" or "false" ?
222+ #
223+ (typ, val) := refl->GetVal(p1);
224+ if ( typ == 0 || (val = refl->widen(typ, want, val)) == nil ) {
225+ jni->ThrowException(illegalarg, "Object can't be cast to needed type");
226+ return;
227+ }
228+ SetField(this, p0, val);
229+ return;
230+}#<<
231+
232+setBoolean_rObject_Z_V( this : ref Field_obj, p0 : JObject,p1 : int)
233+{#>>
234+ want := putChecks(this, p0);
235+
236+#
237+# Note that if the field's signature is "Ljava.lang.Boolean;",
238+# we could create an appropriate Object and assign it.
239+# But it isn't clear if that is what's wanted.
240+# A similar argument applies for the other set<Type> functions.
241+#
242+ p : ref Value;
243+ case want {
244+ JNI->T_BOOLEAN => p = ref Value.TBoolean(p1);
245+ * =>
246+ jni->ThrowException(illegalarg, "Can't convert from boolean");
247+ return;
248+ }
249+ SetField(this, p0, p);
250+}#<<
251+
252+setByte_rObject_B_V( this : ref Field_obj, p0 : JObject,p1 : int)
253+{#>>
254+ want := putChecks(this, p0);
255+
256+ p : ref Value;
257+ case want {
258+ JNI->T_BYTE => p = ref Value.TByte(p1);
259+ JNI->T_SHORT => p = ref Value.TShort(int p1);
260+ JNI->T_INT => p = ref Value.TInt(int p1);
261+ JNI->T_LONG => p = ref Value.TLong(big p1);
262+ JNI->T_FLOAT => p = ref Value.TFloat(real p1);
263+ JNI->T_DOUBLE => p = ref Value.TDouble(real p1);
264+ * =>
265+ jni->ThrowException(illegalarg, "Can't convert from byte");
266+ return;
267+ }
268+ SetField(this, p0, p);
269+}#<<
270+
271+setChar_rObject_C_V( this : ref Field_obj, p0 : JObject,p1 : int)
272+{#>>
273+ want := putChecks(this, p0);
274+
275+ p : ref Value;
276+ case want {
277+ JNI->T_CHAR => p = ref Value.TChar(p1);
278+ * =>
279+ jni->ThrowException(illegalarg, "Can't convert from char");
280+ return;
281+ }
282+ SetField(this, p0, p);
283+}#<<
284+
285+setShort_rObject_S_V( this : ref Field_obj, p0 : JObject,p1 : int)
286+{#>>
287+ want := putChecks(this, p0);
288+
289+ p : ref Value;
290+ case want {
291+ JNI->T_SHORT => p = ref Value.TShort(p1);
292+ JNI->T_INT => p = ref Value.TInt(p1);
293+ JNI->T_LONG => p = ref Value.TLong(big p1);
294+ JNI->T_FLOAT => p = ref Value.TFloat(real p1);
295+ JNI->T_DOUBLE => p = ref Value.TDouble(real p1);
296+ * =>
297+ jni->ThrowException(illegalarg, "Can't convert from short");
298+ return;
299+ }
300+ SetField(this, p0, p);
301+}#<<
302+
303+setInt_rObject_I_V( this : ref Field_obj, p0 : JObject,p1 : int)
304+{#>>
305+ want := putChecks(this, p0);
306+
307+ p : ref Value;
308+ case want {
309+ JNI->T_INT => p = ref Value.TInt(p1);
310+ JNI->T_LONG => p = ref Value.TLong(big p1);
311+ JNI->T_FLOAT => p = ref Value.TFloat(real p1);
312+ JNI->T_DOUBLE => p = ref Value.TDouble(real p1);
313+ * =>
314+ jni->ThrowException(illegalarg, "Can't convert from int");
315+ return;
316+ }
317+ SetField(this, p0, p);
318+}#<<
319+
320+setLong_rObject_J_V( this : ref Field_obj, p0 : JObject,p1 : big)
321+{#>>
322+ want := putChecks(this, p0);
323+
324+ p : ref Value;
325+ case want {
326+ JNI->T_LONG => p = ref Value.TLong(p1);
327+ JNI->T_FLOAT => p = ref Value.TFloat(real p1);
328+ JNI->T_DOUBLE => p = ref Value.TDouble(real p1);
329+ * =>
330+ jni->ThrowException(illegalarg, "Can't convert from long");
331+ return;
332+ }
333+ SetField(this, p0, p);
334+}#<<
335+
336+setFloat_rObject_F_V( this : ref Field_obj, p0 : JObject,p1 : real)
337+{#>>
338+ want := putChecks(this, p0);
339+
340+ p : ref Value;
341+ case want {
342+ JNI->T_FLOAT => p = ref Value.TFloat(p1);
343+ JNI->T_DOUBLE => p = ref Value.TDouble(p1);
344+ * =>
345+ jni->ThrowException(illegalarg, "Can't convert from float");
346+ return;
347+ }
348+ SetField(this, p0, p);
349+}#<<
350+
351+setDouble_rObject_D_V( this : ref Field_obj, p0 : JObject,p1 : real)
352+{#>>
353+ want := putChecks(this, p0);
354+
355+ p : ref Value;
356+ case want {
357+ JNI->T_DOUBLE => p = ref Value.TDouble(p1);
358+ * =>
359+ jni->ThrowException(illegalarg, "Can't convert from double");
360+ return;
361+ }
362+ SetField(this, p0, p);
363+}#<<
364+
365+
366+
367+getChecks( this : ref Field_obj, p0 : JObject) : ref Value
368+{
369+ if ( (this.slot & jldr->ACC_STATIC) == 0 && p0 == nil )
370+ jni->ThrowException(nullptr, "reading field of null Object");
371+
372+ # See if the target object is the same as the one declaring the field.
373+ # this.clazz.class_data is ref to a classloader.Class adt
374+
375+ cldata := this.clazz.class;
376+ if ( (this.slot & jldr->ACC_STATIC) == 0 && jni->IsInstanceOf(p0, cldata) != JNI->TRUE ) {
377+ jni->ThrowException(illegalarg,
378+ "Object is not an instance of this class");
379+ return nil;
380+ }
381+
382+ if ( (this.slot & jldr->ACC_PUBLIC) == 0 )
383+ jni->ThrowException(illegalacc, "reading non-public field");
384+
385+ if ( this.slot & jldr->ACC_STATIC )
386+ return GetStat(cldata, this.slot);
387+ else
388+ return GetField(p0, this.slot);
389+}
390+
391+putChecks( this : ref Field_obj, p0 : JObject) : int
392+{
393+ if ( (this.slot & jldr->ACC_STATIC) == 0 && p0 == nil )
394+ jni->ThrowException(nullptr, "writing field of null Object");
395+
396+ # See if the target object is the same as the one declaring the field.
397+ # this.clazz.class_data is ref to a classloader.Class adt
398+
399+ cldata := this.clazz.class;
400+ if ( (this.slot & jldr->ACC_STATIC) == 0 && jni->IsInstanceOf(p0, cldata) != JNI->TRUE ) {
401+ jni->ThrowException(illegalarg,
402+ "Object is not an instance of this class");
403+ return 0;
404+ }
405+
406+ if ( (this.slot & jldr->ACC_PUBLIC) == 0 || (this.slot & jldr->ACC_FINAL) != 0 )
407+ jni->ThrowException(illegalacc, "writing non-public or final field");
408+
409+ if ( this.slot & jldr->ACC_STATIC )
410+ return refl->SigToType(cldata.staticdata[this.slot >> 16].signature);
411+ else {
412+ flds := cldata.objectdata;
413+ for ( i := (this.slot >> 16); i > 0; i--)
414+ flds = tl flds;
415+ return refl->SigToType((hd flds).signature);
416+ }
417+ return 0;
418+}
419+
420+checkMemberAccess(which : int)
421+{
422+ return;
423+}
424+
425+SetField(this : ref Field_obj, o : JObject, v : ref Value)
426+{
427+ cldata := this.clazz.class;
428+ if ( (this.slot & jldr->ACC_STATIC) != 0 ) {
429+ fld := cldata.staticdata[this.slot >> 16];
430+ jni->SetStaticField(cldata, fld.field, v);
431+ }
432+ else {
433+ flds := cldata.objectdata;
434+ for ( i := (this.slot >> 16); i > 0; i-- )
435+ flds = tl flds;
436+ fld := hd flds;
437+ jni->SetObjField(o, fld.field, v);
438+ }
439+}
440+
441+widen(have, want : string, val : ref Value) : ref Value
442+{
443+ if ( have == want )
444+ return val;
445+ havetype := refl->SigToType(have);
446+ wanttype := refl->SigToType(want);
447+ return refl->widen(havetype, wanttype, val);
448+}
449+#
450+# Eventually JNI may provide a funtions to do this more directly.
451+#
452+GetStat(cldata : ClassData, slot : int) : ref Value
453+{
454+ fld := cldata.staticdata[slot >> 16];
455+ return jni->GetStaticField(cldata, fld.field, fld.signature);
456+}
457+#
458+# Eventually JNI may provide a funtions to do this more directly.
459+# It would probably know what to do about privatemethods, if anything.
460+#
461+GetField(obj : JObject, slot : int) : ref Value
462+{
463+ flds := obj.class().objectdata;
464+ for ( i := (slot >> 16); i > 0; i-- )
465+ flds = tl flds;
466+ fld := hd flds;
467+ return jni->GetObjField(obj, fld.field, fld.signature);
468+}
469+
java/pkg2/java/lang/reflect/Field_L.m+35−0
@@ -0,0 +1,35 @@
1+# javal v1.5 generated file: edit with care
2+
3+Field_L : module
4+{
5+ Field_obj : adt
6+ {
7+ cl_mod : ClassModule;
8+ clazz : JClass;
9+ slot : int;
10+ name : JString;
11+ type_j : JClass;
12+ };
13+
14+ init : fn( jni_p : JNI );
15+ getModifiers_I : fn( this : ref Field_obj) : int;
16+ get_rObject_rObject : fn( this : ref Field_obj, p0 : JObject) : JObject;
17+ getBoolean_rObject_Z : fn( this : ref Field_obj, p0 : JObject) : int;
18+ getByte_rObject_B : fn( this : ref Field_obj, p0 : JObject) : int;
19+ getChar_rObject_C : fn( this : ref Field_obj, p0 : JObject) : int;
20+ getShort_rObject_S : fn( this : ref Field_obj, p0 : JObject) : int;
21+ getInt_rObject_I : fn( this : ref Field_obj, p0 : JObject) : int;
22+ getLong_rObject_J : fn( this : ref Field_obj, p0 : JObject) : big;
23+ getFloat_rObject_F : fn( this : ref Field_obj, p0 : JObject) : real;
24+ getDouble_rObject_D : fn( this : ref Field_obj, p0 : JObject) : real;
25+ set_rObject_rObject_V : fn( this : ref Field_obj, p0 : JObject,p1 : JObject);
26+ setBoolean_rObject_Z_V : fn( this : ref Field_obj, p0 : JObject,p1 : int);
27+ setByte_rObject_B_V : fn( this : ref Field_obj, p0 : JObject,p1 : int);
28+ setChar_rObject_C_V : fn( this : ref Field_obj, p0 : JObject,p1 : int);
29+ setShort_rObject_S_V : fn( this : ref Field_obj, p0 : JObject,p1 : int);
30+ setInt_rObject_I_V : fn( this : ref Field_obj, p0 : JObject,p1 : int);
31+ setLong_rObject_J_V : fn( this : ref Field_obj, p0 : JObject,p1 : big);
32+ setFloat_rObject_F_V : fn( this : ref Field_obj, p0 : JObject,p1 : real);
33+ setDouble_rObject_D_V : fn( this : ref Field_obj, p0 : JObject,p1 : real);
34+
35+};
java/pkg2/java/lang/reflect/InvocationTargetExcepti..a+0−0

Empty file added.

java/pkg2/java/lang/reflect/Member.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/Method.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/Method_L.b+117−0
@@ -0,0 +1,117 @@
1+implement Method_L;
2+
3+include "jni.m";
4+ jni : JNI;
5+ ClassModule,
6+ JString,
7+ JArray,
8+ JArrayI,
9+ JArrayC,
10+ JArrayB,
11+ JArrayS,
12+ JArrayJ,
13+ JArrayF,
14+ JArrayD,
15+ JArrayZ,
16+ JArrayJObject,
17+ JArrayJClass,
18+ JArrayJString,
19+ JClass,
20+ JObject : import jni;
21+
22+#>> extra pre includes here
23+
24+ Value,
25+ ClassData,
26+ jldr : import jni;
27+
28+ Object : import jldr;
29+
30+#<<
31+
32+include "Method_L.m";
33+
34+#>> extra post includes here
35+
36+illegalarg := "java.lang.IllegalArgumentException";
37+nullptr := "java.lang.NullPointerException";
38+
39+include "reflect.m";
40+ refl : Reflect;
41+ widen : import refl;
42+
43+#<<
44+
45+init( jni_p : JNI )
46+{
47+ # save java native inteface mod instance
48+ jni = jni_p;
49+ #>>extra initialization here
50+ refl = load Reflect Reflect->PATH;
51+ if ( refl == nil )
52+ jni->InitError( jni->sys->sprint( "java.lang.reflect.Method: could not load %s: %r", Reflect->PATH ) );
53+ else
54+ refl->init(jni);
55+ #<<
56+}
57+
58+getModifiers_I( this : ref Method_obj) : int
59+{#>>
60+ #
61+ # Assume that lower part of slot has modifier bits.
62+ #
63+ return this.slot & 16rffff;
64+}#<<
65+
66+invoke_rObject_aObject_rObject( this : ref Method_obj, p0 : JObject,p1 : JArrayJObject) : JObject
67+{#>>
68+ # this - a Method object. The corresponding method should be invoked for
69+ # p0 - an Object which should contain that method, with
70+ # p1 - a Java array of Objects that are the arguments to the method.
71+ # Can be null if the method has no arguments.
72+ # Returns an object reflecting the value returned by the method call.
73+ #
74+ # First do some checking. If 'this' is a static method, p0 is ignored,
75+ # otherwise it must an instance of the class in which the method is
76+ # declared.
77+ #
78+ if ( (this.slot & JNI->ACC_STATIC) == 0 ) { # not static
79+ if ( p0 == nil )
80+ jni->ThrowException(nullptr, "Must supply an instance");
81+ if ( jni->IsInstanceOf(p0, this.clazz.class) == JNI->FALSE )
82+ jni->ThrowException(illegalarg, "Method not in object");
83+ }
84+ #
85+ # Check inputs and build the argument list.
86+ #
87+ args := refl->BuildArgList(this.parameterTypes, p1);
88+ #
89+ # Do the call.
90+ #
91+ result : ref Value;
92+ ok : int;
93+ if ( this.slot & JNI->ACC_STATIC ) {
94+ fld := this.clazz.class.staticmethods[this.slot >> 16];
95+ (result, ok) = jni->CallStatic(this.clazz.class, fld.field,
96+ fld.signature, args);
97+ }
98+ else {
99+ fld : ref JavaClassLoader->Field;
100+ if ( (this.slot & JNI->ACC_PRIVATE) != 0 )
101+ fld = p0.class().privatemethods[this.slot >> 16];
102+ else
103+ fld = p0.class().virtualmethods[this.slot >> 16].field;
104+ (result, ok) = jni->CallMethod(p0, fld.field, fld.signature, args);
105+ }
106+ #
107+ # If necessary, wrap the answer up as an Object.
108+ #
109+ if ( ok == JNI->OK && result != nil ) {
110+ typ := refl->ValType(result);
111+ if ( typ >= JNI->T_BOOLEAN && typ <= JNI->T_LONG )
112+ return refl->ValueToObject(result);
113+ else
114+ return result.Object();
115+ }
116+ return nil;
117+}#<<
java/pkg2/java/lang/reflect/Method_L.m+20−0
@@ -0,0 +1,20 @@
1+# generated file edit with care
2+
3+Method_L : module
4+{
5+ Method_obj : adt
6+ {
7+ cl_mod : ClassModule;
8+ clazz : JClass;
9+ slot : int;
10+ name : JString;
11+ returnType : JClass;
12+ parameterTypes : JArrayJClass;
13+ exceptionTypes : JArrayJClass;
14+ };
15+
16+ init : fn( jni_p : JNI );
17+ getModifiers_I : fn( this : ref Method_obj) : int;
18+ invoke_rObject_aObject_rObject : fn( this : ref Method_obj, p0 : JObject,p1 : JArrayJObject) : JObject;
19+
20+};
java/pkg2/java/lang/reflect/Modifier.java+0−0

Empty file added.

java/pkg2/java/lang/reflect/mkfile+46−0
@@ -0,0 +1,46 @@
1+<../../../../../mkconfig
2+
3+TARG=\
4+ Array.dis\
5+ Constructor.dis\
6+ Field.dis\
7+# for InvocationTargetException.dis\
8+ esaAWjdsByqq9cEPQZTRT.dis\
9+ Member.dis\
10+ Method.dis\
11+ Modifier.dis\
12+# Limbo code\
13+ Array_L.dis\
14+ Constructor_L.dis\
15+ Field_L.dis\
16+ Method_L.dis\
17+ reflect.dis\
18+
19+MODULES=\
20+ $ROOT/java/module/classloader.m\
21+ $ROOT/java/module/jni.m\
22+ $ROOT/java/module/cast.m\
23+ Array_L.m\
24+ Constructor_L.m\
25+ Field_L.m\
26+ Method_L.m\
27+ reflect.m\
28+
29+SYSMODULES=\
30+ draw.m\
31+ hash.m\
32+ keyring.m\
33+ loader.m\
34+ math.m\
35+ string.m\
36+ sys.m\
37+
38+DISBIN=$ROOT/java/dis/java/java/lang/reflect
39+
40+<$ROOT/mkfiles/mkjava
41+
42+reflect.dis: reflect.b
43+ limbo $LIMBOINCL -gw reflect.b
44+
45+esaAWjdsByqq9cEPQZTRT.dis: InvocationTargetException.class
46+ j2d InvocationTargetException.class
java/pkg2/java/lang/reflect/reflect.b+327−0
@@ -0,0 +1,327 @@
1+implement Reflect;
2+
3+include "jni.m";
4+ jni : JNI;
5+ cast : Cast;
6+
7+ JObject,
8+ JClass,
9+ JArrayJClass,
10+ JArrayJObject,
11+ Value : import jni;
12+ OK,
13+ ERR,
14+ TRUE,
15+ FALSE,
16+ #T_OBJECT, T_ARRAY,
17+ T_BOOLEAN,
18+ T_BYTE,
19+ T_CHAR,
20+ T_SHORT,
21+ T_INT,
22+ T_LONG,
23+ T_FLOAT,
24+ T_DOUBLE : import JNI;
25+
26+ ClassData : import JNI;
27+
28+include "reflect.m";
29+
30+wrapper_class := array[T_LONG-T_BOOLEAN+1] of ClassData;
31+wrapper_name := array[] of { "Boolean",
32+ "Character",
33+ "Float",
34+ "Double",
35+ "Byte",
36+ "Short",
37+ "Integer",
38+ "Long" };
39+type_string := "ZCFDBSIJ";
40+
41+illegalarg := "java.lang.IllegalArgumentException";
42+nullptr := "java.lang.NullPointerException";
43+
44+init(jni_m : JNI) {
45+ jni = jni_m;
46+ for ( i := 0; i <= T_LONG - T_BOOLEAN; i++ )
47+ wrapper_class[i] = jni->FindClass("java/lang/" + wrapper_name[i]);
48+ cast = jni->CastMod();
49+}
50+
51+widen(have, want : int, val : ref Value) : ref Value
52+{
53+ if ( have == want )
54+ return val;
55+ havetype := have;
56+ wanttype := want;
57+ valint : int;
58+ valbig : big;
59+ valreal : real;
60+ if ( havetype == 0 || wanttype == 0 )
61+ return nil;
62+ pick sw := val {
63+ TByte =>
64+ valint = int sw.jbyte;
65+ valbig = big valint;
66+ valreal = real valint;
67+ TShort =>
68+ valint = sw.jshort;
69+ valbig = big valint;
70+ valreal = real valint;
71+ TChar =>
72+ valint = sw.jchar;
73+ valbig = big valint;
74+ valreal = real valint;
75+ TInt =>
76+ valint = sw.jint;
77+ valbig = big valint;
78+ valreal = real valint;
79+ TLong =>
80+ valbig = sw.jlong;
81+ valreal = real valbig;
82+ TFloat =>
83+ valreal = sw.jfloat;
84+ }
85+ case ( wanttype ) {
86+ T_BOOLEAN or T_BYTE or T_CHAR =>
87+ return nil;
88+ T_SHORT =>
89+ case ( havetype ) {
90+ T_BYTE =>
91+ sw := ref Value.TShort;
92+ sw.jshort = valint;
93+ val = sw;
94+ * =>
95+ return nil;
96+ }
97+ T_INT =>
98+ case ( havetype ) {
99+ T_BYTE or T_SHORT or T_CHAR =>
100+ sw := ref Value.TInt;
101+ sw.jint = valint;
102+ val = sw;
103+ * =>
104+ return nil;
105+ }
106+ T_LONG =>
107+ case ( havetype ) {
108+ T_BYTE or T_SHORT or T_CHAR or T_INT =>
109+ sw := ref Value.TLong;
110+ sw.jlong = valbig;
111+ val = sw;
112+ * =>
113+ return nil;
114+ }
115+ T_FLOAT =>
116+ case ( havetype ) {
117+ T_BYTE or T_SHORT or T_CHAR or T_INT or T_LONG =>
118+ sw := ref Value.TFloat;
119+ sw.jfloat = valreal;
120+ val = sw;
121+ * =>
122+ return nil;
123+ }
124+ T_DOUBLE =>
125+ case ( havetype ) {
126+ T_BYTE or T_SHORT or T_CHAR or T_INT or T_LONG or T_FLOAT =>
127+ sw := ref Value.TDouble;
128+ sw.jdouble = valreal;
129+ val = sw;
130+ * =>
131+ return nil;
132+ }
133+ }
134+ return val;
135+}
136+BuildArgList(parms : JArrayJClass, arg : JArrayJObject) : array of ref Value
137+{
138+ #
139+ # First do some checking.
140+ #
141+ l := 0;
142+ formal: array of JClass;
143+ actual: array of JObject;
144+ args: array of ref Value;
145+ if ( parms != nil ) {
146+ if ( arg == nil )
147+ jni->ThrowException(nullptr, "constructor requires parameters");
148+ if ( len parms.ary != len arg.ary )
149+ jni->ThrowException(illegalarg, "Wrong number of args");
150+ l = len parms.ary;
151+ formal = parms.ary; # array of JClass
152+ actual = arg.ary; # array of JObject
153+ args = array[l] of ref Value;
154+ }
155+ else # There are no formal parameters
156+ if ( arg != nil && len arg.ary != 0 ) # But there are actual arguments
157+ jni->ThrowException(illegalarg, "Wrong number of args");
158+
159+ #
160+ # March through the arguments, checking for type as we go.
161+ #
162+ for ( i := 0; i < l; i++ ) {
163+ #
164+ # Is the formal parameter a primitive?
165+ #
166+ if ( (want := jni->PrimitiveIndex(formal[i], 1)) > 0 ) {
167+ #
168+ # Actual parameter should be (derived from) a wrapper, and
169+ # be able to be widened to the formal parameter type.
170+ #
171+ (typ, parmval) := GetVal(actual[i]);
172+ if ( (val := widen(want, typ, parmval)) != nil )
173+ args[i] = val;
174+ else
175+ jni->ThrowException(illegalarg, "Argument " + string (i+1) +
176+ ", can't cast");
177+ }
178+ else if ( jni->IsInstanceOf(actual[i], formal[i].class) == JNI->TRUE ) {
179+ val := ref Value.TObject;
180+ val.jobj = actual[i];
181+ args[i] = val;
182+ }
183+ else
184+ jni->ThrowException(illegalarg, "Argument " + string (i+1) +
185+ " wrong type");
186+ }
187+ return args;
188+}
189+#
190+# Return a JClass corresponding to the Java type t.
191+#
192+Class(t : int) : JClass
193+{
194+ if ( t < T_BOOLEAN || t > T_LONG )
195+ return nil;
196+ return jni->GetClassObject(wrapper_class[t - T_BOOLEAN]);
197+}
198+#
199+# Return a Class Object corresponding to the Java type t.
200+#
201+ClassObject(t : int) : JObject
202+{
203+ return cast->FromJClass(Class(t));
204+}
205+#
206+# Given the java type, get the Class object representing this
207+# type, and return as a Value.
208+#
209+GetPrimitiveClass(typ : int) : ref Value
210+{
211+ return jni->GetStaticField(wrapper_class[typ - T_BOOLEAN], "TYPE",
212+ "Ljava/lang/Class;");
213+}
214+#
215+# If the Object o is a wrapper for a Java primitive type, return the
216+# primitive value (in a Value adt) and the type index.
217+# Otherwise, return 0 and a nil Value.
218+#
219+GetVal(o : JObject) : (int, ref Value)
220+{
221+ j := T_BOOLEAN;
222+ for ( i := j; i <= T_LONG; i++ ) {
223+ if ( jni->IsInstanceOf(o, wrapper_class[i-j]) == TRUE ) {
224+ val := jni->GetObjField(o, "value", type_string[i-j:i-j+1]);
225+ return (i, val);
226+ }
227+ }
228+ return (0, nil);
229+}
230+#
231+# Convert a signature to a java type index.
232+#
233+SigToType(sig : string) : int
234+{
235+ index : int;
236+ case sig[0] {
237+ 'Z' =>
238+ index = T_BOOLEAN;
239+ 'B' =>
240+ index = T_BYTE;
241+ 'C' =>
242+ index = T_CHAR;
243+ 'S' =>
244+ index = T_SHORT;
245+ 'I' =>
246+ index = T_INT;
247+ 'J' =>
248+ index = T_LONG;
249+ 'F' =>
250+ index = T_FLOAT;
251+ 'D' =>
252+ index = T_DOUBLE;
253+ * =>
254+ index = 0;
255+ }
256+ return index;
257+}
258+#
259+# Convert a java type index to a signature.
260+#
261+TypeToSig(typ : int) : string
262+{
263+ if ( typ < T_BOOLEAN || typ > T_LONG )
264+ return nil;
265+ return type_string[typ-T_BOOLEAN:typ-T_BOOLEAN+1];
266+}
267+#
268+# Convert a Java type character to its corresponding type name.
269+#
270+TypeCharToName(c : int) : string
271+{
272+ tname : string;
273+ case c {
274+ 'Z' =>
275+ tname = "boolean";
276+ 'B' =>
277+ tname = "byte";
278+ 'C' =>
279+ tname = "char";
280+ 'S' =>
281+ tname = "short";
282+ 'I' =>
283+ tname = "int";
284+ 'J' =>
285+ tname = "long";
286+ 'F' =>
287+ tname = "float";
288+ 'D' =>
289+ tname = "double";
290+ * =>
291+ tname = "blah";
292+ }
293+ return tname;
294+}
295+#
296+# Calculate the type index of the quantity in val. If it isn't a
297+# Java primitive type, return 0;
298+#
299+ValType(val : ref Value) : int
300+{
301+ pick sw := val {
302+ TBoolean => return T_BOOLEAN;
303+ TByte => return T_BYTE;
304+ TChar => return T_CHAR;
305+ TShort => return T_SHORT;
306+ TInt => return T_INT;
307+ TLong => return T_LONG;
308+ TFloat => return T_FLOAT;
309+ TDouble => return T_DOUBLE;
310+ * => return 0;
311+ }
312+}
313+#
314+# Create a wrapper Object for the primitive Java value corresponding
315+# to the argument.
316+#
317+ValueToObject(val : ref Value) : JObject
318+{
319+ typ := ValType(val);
320+ j := T_BOOLEAN;
321+ jobj := jni->AllocObject(wrapper_class[typ - j]);
322+ sig := "(" + type_string[typ-j:typ-j+1] + ")V";
323+ (nil, ok) := jni->CallMethod(jobj, "<init>", sig, array[] of { val });
324+ if ( ok == OK )
325+ return jobj;
326+ return nil;
327+}
java/pkg2/java/lang/reflect/reflect.m+19−0
@@ -0,0 +1,19 @@
1+Reflect : module {
2+
3+ PATH : con "/dis/java/java/lang/reflect/reflect.dis";
4+
5+ init : fn(jni_m : JNI);
6+ widen : fn(havetype, wanttype : int, val : ref Value) : ref Value;
7+ BuildArgList: fn(parms : JArrayJClass, arg : JArrayJObject)
8+ : array of ref Value;
9+ Class : fn(t : int) : JClass;
10+ ClassObject : fn(t : int) : JObject;
11+ GetPrimitiveClass : fn(typ : int) : ref Value;
12+ GetVal : fn(o : JObject) : (int, ref Value);
13+ SigToType : fn(sig : string) : int;
14+ TypeToSig : fn(typ : int) : string;
15+ TypeCharToName : fn(c : int) : string;
16+ ValType : fn(val : ref Value) : int;
17+ ValueToObject : fn(val : ref Value) : JObject;
18+
19+};

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