📄 reflect.h
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/*
* @(#)reflect.h 1.23 97/01/03
*
* Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
* CopyrightVersion 1.1_beta
*
*/
#ifndef _REFLECT_H
#define _REFLECT_H
#include "oobj.h"
#include "native.h"
/*
* Keep consistent with constants in java.lang.reflect.Member
*/
enum { MEMBER_PUBLIC, MEMBER_DECLARED };
extern HObject * reflect_field(ClassClass *, char *, long);
extern HArrayOfObject * reflect_fields(ClassClass *, long);
extern HObject * reflect_method(ClassClass *, char *, HArrayOfObject *,
long);
extern HArrayOfObject * reflect_methods(ClassClass *, long);
extern HObject * reflect_constructor(ClassClass *, HArrayOfObject *,
long);
extern HArrayOfObject * reflect_constructors(ClassClass *, long);
extern ClassClass * reflect_find_class(char *, ClassClass *, char **);
extern bool_t reflect_check_access(ExecEnv *, ClassClass *, int,
ClassClass *);
extern HObject * reflect_new_array(ClassClass *, int);
extern HArrayOfObject * reflect_new_class_array(int);
extern bool_t reflect_is_assignable(ClassClass *, ClassClass *,
ExecEnv *);
/*
* Implementation
*/
#ifdef _REFLECT_IMPL
/*
* "Generic" accessors for Field, Method, Constructor
*/
#define member_class(h) (unhand(h)->clazz)
#define member_slot(h) (unhand(h)->slot)
#define member_name(h) (unhand(h)->name)
#define member_type(h) (unhand(h)->type)
#define member_returnType(h) (unhand(h)->returnType)
#define member_parameterTypes(h)(unhand(h)->parameterTypes)
#define member_exceptionTypes(h)(unhand(h)->exceptionTypes)
#define REFLECT_GET(p, pCode, v, packed) \
if (TRUE) \
{ \
switch (pCode) { \
case T_BOOLEAN: \
case T_BYTE: \
if (packed) { v.i = *(char *) (p); break; } \
case T_CHAR: \
if (packed) { v.i = *(unicode *) (p); break; } \
case T_SHORT: \
if (packed) { v.i = *(short *) (p); break; } \
case T_INT: \
v.i = *(long *) (p); break; \
case T_FLOAT: \
v.f = *(float_t *) (p); break; /*ibm.1229*/ \
case T_LONG: \
v.l = GET_INT64(v, p); break; \
case T_DOUBLE: \
v.d = GET_DOUBLE(v, p); break; \
default: \
v.h = *(HObject **) (p); \
} \
} else
#define REFLECT_SET(p, pCode, v, packed) \
if (TRUE) \
{ \
switch (pCode) { \
case T_BOOLEAN: \
case T_BYTE: \
if (packed) { *(char *) (p) = v.i; break; } \
case T_CHAR: \
if (packed) { *(unicode *) (p) = v.i; break; } \
case T_SHORT: \
if (packed) { *(short *) (p) = v.i; break; } \
case T_INT: \
*(long *) (p) = v.i ; break; \
case T_FLOAT: \
*(float_t *) (p) = v.f; break; /*ibm.1229*/ \
case T_LONG: \
SET_INT64(v, p, v.l); break; \
case T_DOUBLE: \
SET_DOUBLE(v, p, v.d); break; \
default: \
*(HObject **) (p) = v.h; \
} \
} else
#if defined(IBM_MIXED_MODE) /*ibm.6205*/
#define REFLECT_SET_REVERSE(p, pCode, v, packed) \
if (TRUE) \
{ \
switch (pCode) { \
case T_BOOLEAN: \
case T_BYTE: \
if (packed) { *(char *) (p) = v.i; break; } \
case T_CHAR: \
if (packed) { *(unicode *) (p) = v.i; break; } \
case T_SHORT: \
if (packed) { *(short *) (p) = v.i; break; } \
case T_INT: \
*(long *) (p) = v.i ; break; \
case T_FLOAT: \
*(float_t *) (p) = v.f; break; \
case T_LONG: \
SET_INT64_REVERSE(v, p, v.l); break; \
case T_DOUBLE: \
SET_DOUBLE_REVERSE(v, p, v.d); break; \
default: \
*(HObject **) (p) = v.h; \
} \
} else
#endif /* +IBM_MIXED_MODE */ /*ibm.6205*/
#define REFLECT_WIDEN(v, vCode, wCode, fail) \
if (TRUE) \
{ \
switch(wCode) { \
case T_BOOLEAN: \
case T_BYTE: \
case T_CHAR: \
goto fail; \
case T_SHORT: \
switch (vCode) { \
case T_BYTE: \
break; \
default: \
goto fail; \
} \
break; \
case T_INT: \
switch (vCode) { \
case T_BYTE: \
case T_CHAR: \
case T_SHORT: \
break; \
default: \
goto fail; \
} \
break; \
case T_LONG: \
switch (vCode) { \
case T_BYTE: \
case T_CHAR: \
case T_SHORT: \
case T_INT: \
v.l = int2ll(v.i); break; \
default: \
goto fail; \
} \
break; \
case T_FLOAT: \
switch (vCode) { \
case T_BYTE: \
case T_CHAR: \
case T_SHORT: \
case T_INT: \
v.f = int2flt(v.i); break; /*ibm.1229*/ \
case T_LONG: \
v.f = ll2float(v.l); break; /*ibm.1229*/ \
default: \
goto fail; \
} \
break; \
case T_DOUBLE: \
switch (vCode) { \
case T_BYTE: \
case T_CHAR: \
case T_SHORT: \
case T_INT: \
v.d = int2dbl(v.i); break; /*ibm.1229*/ \
case T_FLOAT: \
v.d = flt2dbl(v.f); break; /*ibm.1229*/ \
case T_LONG: \
v.d = ll2double(v.l); break; /*ibm.1229*/ \
default: \
goto fail; \
} \
break; \
default: \
goto fail; \
} \
} else
/*
*
*/
#define REFLECT_ERROR(nm, det) \
SignalError(0, JAVAPKG #nm, det)
#define OutOfMemoryError() \
REFLECT_ERROR(OutOfMemoryError, 0)
#define NullPointerException() \
REFLECT_ERROR(NullPointerException, 0)
#define InternalError(det) \
REFLECT_ERROR(InternalError, det)
/*
*
*/
#define ENSURE_RESOLVED(cb) \
if (!CCIs(cb, Resolved)) { \
char *detail = NULL; \
char *exception = ResolveClass(cb, &detail); \
if (exception != NULL) { \
SignalError(0, exception, detail); \
return NULL; \
} \
}
/*
*
*/
#define fbClass(fb) (fb->clazz)
#define fbName(fb) (fb->name)
#define fbSig(fb) (fb->signature)
#define fbAccess(fb) (fb->access)
#define fbID(fb) (fb->ID)
#define fbIsArray(fb) (fbSig(fb)[0] == SIGNATURE_ARRAY)
#define fbIsClass(fb) (fbSig(fb)[0] == SIGNATURE_CLASS)
#define fbIsPublic(fb) ((fbAccess(fb) & ACC_PUBLIC) != 0)
#define fbIsStatic(fb) ((fbAccess(fb) & ACC_STATIC) != 0)
#define fbIsFinal(fb) ((fbAccess(fb) & ACC_FINAL) != 0)
#define fbOffset(fb) (fb->u.offset)
#define mbFb(mb) (&mb->fb)
#define mbClass(mb) (mb->fb.clazz)
#define mbName(mb) (mb->fb.name)
#define mbSig(mb) (mb->fb.signature)
#define mbAccess(mb) (mb->fb.access)
#define mbOffset(mb) (mb->fb.u.offset)
#define mbID(mb) (mb->fb.ID)
#define mbArgsSize(mb) (mb->args_size)
#define mbIsSpecial(mb) (mbName(mb)[0] == '<')
#define mbIsPublic(mb) ((mbAccess(mb) & ACC_PUBLIC) != 0)
#define mbIsStatic(mb) ((mbAccess(mb) & ACC_STATIC) != 0)
#endif /* _REFLECT_IMPL */
#endif /* _REFLECT_H */
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