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/gecko_api/include/jni_md.h

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  1. /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
    2. 

  2.  *
    3. 

  3.  * ***** BEGIN LICENSE BLOCK *****
    4. 

  4.  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
    5. 

  5.  *
    6. 

  6.  * The contents of this file are subject to the Mozilla Public License Version
    7. 

  7.  * 1.1 (the "License"); you may not use this file except in compliance with
    8. 

  8.  * the License. You may obtain a copy of the License at
    9. 

  9.  * http://www.mozilla.org/MPL/
    10. 

  10.  *
    11. 

  11.  * Software distributed under the License is distributed on an "AS IS" basis,
    12. 

  12.  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
    13. 

  13.  * for the specific language governing rights and limitations under the
    14. 

  14.  * License.
    15. 

  15.  *
    16. 

  16.  * The Original Code is mozilla.org code.
    17. 

  17.  *
    18. 

  18.  * The Initial Developer of the Original Code is
    19. 

  19.  * Netscape Communications Corporation.
    20. 

  20.  * Portions created by the Initial Developer are Copyright (C) 1998
    21. 

  21.  * the Initial Developer. All Rights Reserved.
    22. 

  22.  *
    23. 

  23.  * Contributor(s):
    24. 

  24.  *
    25. 

  25.  * Alternatively, the contents of this file may be used under the terms of
    26. 

  26.  * either the GNU General Public License Version 2 or later (the "GPL"), or
    27. 

  27.  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    28. 

  28.  * in which case the provisions of the GPL or the LGPL are applicable instead
    29. 

  29.  * of those above. If you wish to allow use of your version of this file only
    30. 

  30.  * under the terms of either the GPL or the LGPL, and not to allow others to
    31. 

  31.  * use your version of this file under the terms of the MPL, indicate your
    32. 

  32.  * decision by deleting the provisions above and replace them with the notice
    33. 

  33.  * and other provisions required by the GPL or the LGPL. If you do not delete
    34. 

  34.  * the provisions above, a recipient may use your version of this file under
    35. 

  35.  * the terms of any one of the MPL, the GPL or the LGPL.
    36. 

  36.  *
    37. 

  37.  * ***** END LICENSE BLOCK *****
    38. 

  38.  *
    39. 

  39.  *
    40. 

  40.  * This Original Code has been modified by IBM Corporation.
    41. 

  41.  * Modifications made by IBM described herein are
    42. 

  42.  * Copyright (c) International Business Machines
    43. 

  43.  * Corporation, 2000
    44. 

  44.  *
    45. 

  45.  * Modifications to Mozilla code or documentation
    46. 

  46.  * identified per MPL Section 3.3
    47. 

  47.  *
    48. 

  48.  * Date         Modified by     Description of modification
    49. 

  49.  * 03/27/2000   IBM Corp.       Set JNICALL to Optlink for
    50. 

  50.  *                               use in OS2
    51. 

  51.  */
    52. 

  52. 

  53. /*******************************************************************************
    54. 

  54.  * Netscape version of jni_md.h -- depends on jri_md.h
    55. 

  55.  ******************************************************************************/
    56. 

  56. 

  57. #ifndef JNI_MD_H
    58. 

  58. #define JNI_MD_H
    59. 

  59. 

  60. #include "prtypes.h" /* needed for _declspec */
    61. 

  61. 

  62. /*******************************************************************************
    63. 

  63.  * WHAT'S UP WITH THIS FILE?
    64. 

  64.  * 
    65. 

  65.  * This is where we define the mystical JNI_PUBLIC_API macro that works on all
    66. 

  66.  * platforms. If you're running with Visual C++, Symantec C, or Borland's 
    67. 

  67.  * development environment on the PC, you're all set. Or if you're on the Mac
    68. 

  68.  * with Metrowerks, Symantec or MPW with SC you're ok too. For UNIX it shouldn't
    69. 

  69.  * matter.
    70. 

    71. 

  71.  * Changes by sailesh on 9/26 
    72. 

    73. 

  73.  * There are two symbols used in the declaration of the JNI functions
    74. 

  74.  * and native code that uses the JNI:
    75. 

  75.  * JNICALL - specifies the calling convention 
    76. 

  76.  * JNIEXPORT - specifies export status of the function 
    77. 

  77.  * 
    78. 

  78.  * The syntax to specify calling conventions is different in Win16 and
    79. 

  79.  * Win32 - the brains at Micro$oft at work here. JavaSoft in their
    80. 

  80.  * infinite wisdom cares for no platform other than Win32, and so they
    81. 

  81.  * just define these two symbols as:
    82. 

    83. 

  83.  #define JNIEXPORT __declspec(dllexport)
    84. 

  84.  #define JNICALL __stdcall
    85. 

    86. 

  86.  * We deal with this, in the way JRI defines the JRI_PUBLIC_API, by
    87. 

  87.  * defining a macro called JNI_PUBLIC_API. Any of our developers who
    88. 

  88.  * wish to use code for Win16 and Win32, _must_ use JNI_PUBLIC_API to
    89. 

  89.  * be able to export functions properly.
    90. 

    91. 

  91.  * Since we must also maintain compatibility with JavaSoft, we
    92. 

  92.  * continue to define the symbol JNIEXPORT. However, use of this
    93. 

  93.  * internally is deprecated, since it will cause a mess on Win16.
    94. 

    95. 

  95.  * We _do not_ need a new symbol called JNICALL. Instead we
    96. 

  96.  * redefine JNICALL in the same way JRI_CALLBACK was defined.
    97. 

    98. 

  98.  ******************************************************************************/
    99. 

  99. 

  100. /* DLL Entry modifiers... */
    101. 

  101. /* Win32 */
    102. 

  102. #if defined(XP_WIN) || defined(_WINDOWS) || defined(WIN32) || defined(_WIN32)
    103. 

  103. #	include <windows.h>
    104. 

  104. #	if defined(_MSC_VER) || defined(__GNUC__)
    105. 

  105. #		if defined(WIN32) || defined(_WIN32)
    106. 

  106. #			define JNI_PUBLIC_API(ResultType)	_declspec(dllexport) ResultType __stdcall
    107. 

  107. #			define JNI_PUBLIC_VAR(VarType)		VarType
    108. 

  108. #			define JNI_NATIVE_STUB(ResultType)	_declspec(dllexport) ResultType
    109. 

  109. #			define JNICALL                          __stdcall
    110. 

  110. #		else /* !_WIN32 */
    111. 

  111. #		    if defined(_WINDLL)
    112. 

  112. #			define JNI_PUBLIC_API(ResultType)	ResultType __cdecl __export __loadds 
    113. 

  113. #			define JNI_PUBLIC_VAR(VarType)		VarType
    114. 

  114. #			define JNI_NATIVE_STUB(ResultType)	ResultType __cdecl __loadds
    115. 

  115. #			define JNICALL			        __loadds
    116. 

  116. #		    else /* !WINDLL */
    117. 

  117. #			define JNI_PUBLIC_API(ResultType)	ResultType __cdecl __export
    118. 

  118. #			define JNI_PUBLIC_VAR(VarType)		VarType
    119. 

  119. #			define JNI_NATIVE_STUB(ResultType)	ResultType __cdecl __export
    120. 

  120. #			define JNICALL			        __export
    121. 

  121. #                   endif /* !WINDLL */
    122. 

  122. #		endif /* !_WIN32 */
    123. 

  123. #	elif defined(__BORLANDC__)
    124. 

  124. #		if defined(WIN32) || defined(_WIN32)
    125. 

  125. #			define JNI_PUBLIC_API(ResultType)	__export ResultType
    126. 

  126. #			define JNI_PUBLIC_VAR(VarType)		VarType
    127. 

  127. #			define JNI_NATIVE_STUB(ResultType)	 __export ResultType
    128. 

  128. #			define JNICALL
    129. 

  129. #		else /* !_WIN32 */
    130. 

  130. #			define JNI_PUBLIC_API(ResultType)	ResultType _cdecl _export _loadds 
    131. 

  131. #			define JNI_PUBLIC_VAR(VarType)		VarType
    132. 

  132. #			define JNI_NATIVE_STUB(ResultType)	ResultType _cdecl _loadds
    133. 

  133. #			define JNICALL			_loadds
    134. 

  134. #		endif
    135. 

  135. #	else
    136. 

  136. #		error Unsupported PC development environment.	
    137. 

  137. #	endif
    138. 

  138. #	ifndef IS_LITTLE_ENDIAN
    139. 

  139. #		define IS_LITTLE_ENDIAN
    140. 

  140. #	endif
    141. 

  141. 	/*  This is the stuff inherited from JavaSoft .. */
    142. 

  142. #	define JNIEXPORT __declspec(dllexport)
    143. 

  143. #	define JNIIMPORT __declspec(dllimport)
    144. 

  144. 

  145. /* OS/2 */
    146. 

  146. #elif defined(XP_OS2)
    147. 

  147. #	ifdef XP_OS2_VACPP
    148. 

  148. #		define JNI_PUBLIC_API(ResultType)	ResultType _System
    149. 

  149. #		define JNI_PUBLIC_VAR(VarType)		VarType
    150. 

  150. #		define JNICALL				_Optlink
    151. 

  151. #		define JNIEXPORT
    152. 

  152. #		define JNIIMPORT
    153. 

  153. #	elif defined(__declspec)
    154. 

  154. #		define JNI_PUBLIC_API(ResultType)	__declspec(dllexport) ResultType
    155. 

  155. #		define JNI_PUBLIC_VAR(VarType)		VarType
    156. 

  156. #		define JNI_NATIVE_STUB(ResultType)	__declspec(dllexport) ResultType
    157. 

  157. #		define JNICALL
    158. 

  158. #		define JNIEXPORT
    159. 

  159. #		define JNIIMPORT
    160. 

  160. #	else
    161. 

  161. #		define JNI_PUBLIC_API(ResultType)	ResultType
    162. 

  162. #		define JNI_PUBLIC_VAR(VarType)		VarType
    163. 

  163. #		define JNICALL
    164. 

  164. #		define JNIEXPORT
    165. 

  165. #		define JNIIMPORT
    166. 

  166. #	endif
    167. 

  167. #	ifndef IS_LITTLE_ENDIAN
    168. 

  168. #		define IS_LITTLE_ENDIAN
    169. 

  169. #	endif
    170. 

  170. 

  171. /* Mac */
    172. 

  172. #elif macintosh || Macintosh || THINK_C
    173. 

  173. #	if defined(__MWERKS__)				/* Metrowerks */
    174. 

  174. #		if !__option(enumsalwaysint)
    175. 

  175. #			error You need to define 'Enums Always Int' for your project.
    176. 

  176. #		endif
    177. 

  177. #		if defined(TARGET_CPU_68K) && !TARGET_RT_MAC_CFM 
    178. 

  178. #			if !__option(fourbyteints) 
    179. 

  179. #				error You need to define 'Struct Alignment: 68k' for your project.
    180. 

  180. #			endif
    181. 

  181. #		endif /* !GENERATINGCFM */
    182. 

  182. #		define JNI_PUBLIC_API(ResultType)	__declspec(export) ResultType 
    183. 

  183. #		define JNI_PUBLIC_VAR(VarType)		JNI_PUBLIC_API(VarType)
    184. 

  184. #		define JNI_NATIVE_STUB(ResultType)	JNI_PUBLIC_API(ResultType)
    185. 

  185. #	elif defined(__SC__)				/* Symantec */
    186. 

  186. #		error What are the Symantec defines? (warren@netscape.com)
    187. 

  187. #	elif macintosh && applec			/* MPW */
    188. 

  188. #		error Please upgrade to the latest MPW compiler (SC).
    189. 

  189. #	else
    190. 

  190. #		error Unsupported Mac development environment.
    191. 

  191. #	endif
    192. 

  192. #	define JNICALL
    193. 

  193. 	/*  This is the stuff inherited from JavaSoft .. */
    194. 

  194. #	define JNIEXPORT
    195. 

  195. #	define JNIIMPORT
    196. 

  196. 

  197. /* Unix or else */
    198. 

  198. #else
    199. 

  199. #	define JNI_PUBLIC_API(ResultType)		ResultType
    200. 

  200. #       define JNI_PUBLIC_VAR(VarType)                  VarType
    201. 

  201. #       define JNI_NATIVE_STUB(ResultType)              ResultType
    202. 

  202. #	define JNICALL
    203. 

  203. 	/*  This is the stuff inherited from JavaSoft .. */
    204. 

  204. #	define JNIEXPORT
    205. 

  205. #	define JNIIMPORT
    206. 

  206. #endif
    207. 

  207. 

  208. #ifndef FAR		/* for non-Win16 */
    209. 

  209. #define FAR
    210. 

  210. #endif
    211. 

  211. 

  212. /* Get the rest of the stuff from jri_md.h */
    213. 

  213. #include "jri_md.h"
    214. 

  214. 

  215. #endif /* JNI_MD_H */
    216. 

  216.