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/gcc/ada/i-cobol.ads

https://bitbucket.org/codefirex/toolchain_gcc-4.9
Ada | 553 lines | 380 code | 75 blank | 98 comment | 0 complexity | 5a54b6722625bfbdce28c7d21bbbf3c5 MD5 | raw file
    

  1. ------------------------------------------------------------------------------
    2. 

  2. --                                                                          --
    3. 

  3. --                         GNAT COMPILER COMPONENTS                         --
    4. 

  4. --                                                                          --
    5. 

  5. --                      I N T E R F A C E S . C O B O L                     --
    6. 

  6. --                                                                          --
    7. 

  7. --                                 S p e c                                  --
    8. 

  8. --                             (ASCII Version)                              --
    9. 

  9. --                                                                          --
    10. 

  10. --          Copyright (C) 1993-2009, Free Software Foundation, Inc.         --
    11. 

  11. --                                                                          --
    12. 

  12. -- This specification is derived from the Ada Reference Manual for use with --
    13. 

  13. -- GNAT. The copyright notice above, and the license provisions that follow --
    14. 

  14. -- apply solely to the  contents of the part following the private keyword. --
    15. 

  15. --                                                                          --
    16. 

  16. -- GNAT is free software;  you can  redistribute it  and/or modify it under --
    17. 

  17. -- terms of the  GNU General Public License as published  by the Free Soft- --
    18. 

  18. -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
    19. 

  19. -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
    20. 

  20. -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
    21. 

  21. -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
    22. 

  22. --                                                                          --
    23. 

  23. -- As a special exception under Section 7 of GPL version 3, you are granted --
    24. 

  24. -- additional permissions described in the GCC Runtime Library Exception,   --
    25. 

  25. -- version 3.1, as published by the Free Software Foundation.               --
    26. 

  26. --                                                                          --
    27. 

  27. -- You should have received a copy of the GNU General Public License and    --
    28. 

  28. -- a copy of the GCC Runtime Library Exception along with this program;     --
    29. 

  29. -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
    30. 

  30. -- <http://www.gnu.org/licenses/>.                                          --
    31. 

  31. --                                                                          --
    32. 

  32. -- GNAT was originally developed  by the GNAT team at  New York University. --
    33. 

  33. -- Extensive contributions were provided by Ada Core Technologies Inc.      --
    34. 

  34. --                                                                          --
    35. 

  35. ------------------------------------------------------------------------------
    36. 

  36. 

  37. --  This version of the COBOL interfaces package assumes that the COBOL
    38. 

  38. --  compiler uses ASCII as its internal representation of characters, i.e.
    39. 

  39. --  that the type COBOL_Character has the same representation as the Ada
    40. 

  40. --  type Standard.Character.
    41. 

  41. 

  42. package Interfaces.COBOL is
    43. 

  43.    pragma Preelaborate (COBOL);
    44. 

  44. 

  45.    ------------------------------------------------------------
    46. 

  46.    -- Types And Operations For Internal Data Representations --
    47. 

  47.    ------------------------------------------------------------
    48. 

  48. 

  49.    type Floating      is new Float;
    50. 

  50.    type Long_Floating is new Long_Float;
    51. 

  51. 

  52.    type Binary        is new Integer;
    53. 

  53.    type Long_Binary   is new Long_Long_Integer;
    54. 

  54. 

  55.    Max_Digits_Binary      : constant := 9;
    56. 

  56.    Max_Digits_Long_Binary : constant := 18;
    57. 

  57. 

  58.    type Decimal_Element is mod 2**4;
    59. 

  59.    type Packed_Decimal is array (Positive range <>) of Decimal_Element;
    60. 

  60.    pragma Pack (Packed_Decimal);
    61. 

  61. 

  62.    type COBOL_Character is new Character;
    63. 

  63. 

  64.    Ada_To_COBOL : array (Standard.Character) of COBOL_Character := (
    65. 

  65.      COBOL_Character'Val (000), COBOL_Character'Val (001),
    66. 

  66.      COBOL_Character'Val (002), COBOL_Character'Val (003),
    67. 

  67.      COBOL_Character'Val (004), COBOL_Character'Val (005),
    68. 

  68.      COBOL_Character'Val (006), COBOL_Character'Val (007),
    69. 

  69.      COBOL_Character'Val (008), COBOL_Character'Val (009),
    70. 

  70.      COBOL_Character'Val (010), COBOL_Character'Val (011),
    71. 

  71.      COBOL_Character'Val (012), COBOL_Character'Val (013),
    72. 

  72.      COBOL_Character'Val (014), COBOL_Character'Val (015),
    73. 

  73.      COBOL_Character'Val (016), COBOL_Character'Val (017),
    74. 

  74.      COBOL_Character'Val (018), COBOL_Character'Val (019),
    75. 

  75.      COBOL_Character'Val (020), COBOL_Character'Val (021),
    76. 

  76.      COBOL_Character'Val (022), COBOL_Character'Val (023),
    77. 

  77.      COBOL_Character'Val (024), COBOL_Character'Val (025),
    78. 

  78.      COBOL_Character'Val (026), COBOL_Character'Val (027),
    79. 

  79.      COBOL_Character'Val (028), COBOL_Character'Val (029),
    80. 

  80.      COBOL_Character'Val (030), COBOL_Character'Val (031),
    81. 

  81.      COBOL_Character'Val (032), COBOL_Character'Val (033),
    82. 

  82.      COBOL_Character'Val (034), COBOL_Character'Val (035),
    83. 

  83.      COBOL_Character'Val (036), COBOL_Character'Val (037),
    84. 

  84.      COBOL_Character'Val (038), COBOL_Character'Val (039),
    85. 

  85.      COBOL_Character'Val (040), COBOL_Character'Val (041),
    86. 

  86.      COBOL_Character'Val (042), COBOL_Character'Val (043),
    87. 

  87.      COBOL_Character'Val (044), COBOL_Character'Val (045),
    88. 

  88.      COBOL_Character'Val (046), COBOL_Character'Val (047),
    89. 

  89.      COBOL_Character'Val (048), COBOL_Character'Val (049),
    90. 

  90.      COBOL_Character'Val (050), COBOL_Character'Val (051),
    91. 

  91.      COBOL_Character'Val (052), COBOL_Character'Val (053),
    92. 

  92.      COBOL_Character'Val (054), COBOL_Character'Val (055),
    93. 

  93.      COBOL_Character'Val (056), COBOL_Character'Val (057),
    94. 

  94.      COBOL_Character'Val (058), COBOL_Character'Val (059),
    95. 

  95.      COBOL_Character'Val (060), COBOL_Character'Val (061),
    96. 

  96.      COBOL_Character'Val (062), COBOL_Character'Val (063),
    97. 

  97.      COBOL_Character'Val (064), COBOL_Character'Val (065),
    98. 

  98.      COBOL_Character'Val (066), COBOL_Character'Val (067),
    99. 

  99.      COBOL_Character'Val (068), COBOL_Character'Val (069),
    100. 

  100.      COBOL_Character'Val (070), COBOL_Character'Val (071),
    101. 

  101.      COBOL_Character'Val (072), COBOL_Character'Val (073),
    102. 

  102.      COBOL_Character'Val (074), COBOL_Character'Val (075),
    103. 

  103.      COBOL_Character'Val (076), COBOL_Character'Val (077),
    104. 

  104.      COBOL_Character'Val (078), COBOL_Character'Val (079),
    105. 

  105.      COBOL_Character'Val (080), COBOL_Character'Val (081),
    106. 

  106.      COBOL_Character'Val (082), COBOL_Character'Val (083),
    107. 

  107.      COBOL_Character'Val (084), COBOL_Character'Val (085),
    108. 

  108.      COBOL_Character'Val (086), COBOL_Character'Val (087),
    109. 

  109.      COBOL_Character'Val (088), COBOL_Character'Val (089),
    110. 

  110.      COBOL_Character'Val (090), COBOL_Character'Val (091),
    111. 

  111.      COBOL_Character'Val (092), COBOL_Character'Val (093),
    112. 

  112.      COBOL_Character'Val (094), COBOL_Character'Val (095),
    113. 

  113.      COBOL_Character'Val (096), COBOL_Character'Val (097),
    114. 

  114.      COBOL_Character'Val (098), COBOL_Character'Val (099),
    115. 

  115.      COBOL_Character'Val (100), COBOL_Character'Val (101),
    116. 

  116.      COBOL_Character'Val (102), COBOL_Character'Val (103),
    117. 

  117.      COBOL_Character'Val (104), COBOL_Character'Val (105),
    118. 

  118.      COBOL_Character'Val (106), COBOL_Character'Val (107),
    119. 

  119.      COBOL_Character'Val (108), COBOL_Character'Val (109),
    120. 

  120.      COBOL_Character'Val (110), COBOL_Character'Val (111),
    121. 

  121.      COBOL_Character'Val (112), COBOL_Character'Val (113),
    122. 

  122.      COBOL_Character'Val (114), COBOL_Character'Val (115),
    123. 

  123.      COBOL_Character'Val (116), COBOL_Character'Val (117),
    124. 

  124.      COBOL_Character'Val (118), COBOL_Character'Val (119),
    125. 

  125.      COBOL_Character'Val (120), COBOL_Character'Val (121),
    126. 

  126.      COBOL_Character'Val (122), COBOL_Character'Val (123),
    127. 

  127.      COBOL_Character'Val (124), COBOL_Character'Val (125),
    128. 

  128.      COBOL_Character'Val (126), COBOL_Character'Val (127),
    129. 

  129.      COBOL_Character'Val (128), COBOL_Character'Val (129),
    130. 

  130.      COBOL_Character'Val (130), COBOL_Character'Val (131),
    131. 

  131.      COBOL_Character'Val (132), COBOL_Character'Val (133),
    132. 

  132.      COBOL_Character'Val (134), COBOL_Character'Val (135),
    133. 

  133.      COBOL_Character'Val (136), COBOL_Character'Val (137),
    134. 

  134.      COBOL_Character'Val (138), COBOL_Character'Val (139),
    135. 

  135.      COBOL_Character'Val (140), COBOL_Character'Val (141),
    136. 

  136.      COBOL_Character'Val (142), COBOL_Character'Val (143),
    137. 

  137.      COBOL_Character'Val (144), COBOL_Character'Val (145),
    138. 

  138.      COBOL_Character'Val (146), COBOL_Character'Val (147),
    139. 

  139.      COBOL_Character'Val (148), COBOL_Character'Val (149),
    140. 

  140.      COBOL_Character'Val (150), COBOL_Character'Val (151),
    141. 

  141.      COBOL_Character'Val (152), COBOL_Character'Val (153),
    142. 

  142.      COBOL_Character'Val (154), COBOL_Character'Val (155),
    143. 

  143.      COBOL_Character'Val (156), COBOL_Character'Val (157),
    144. 

  144.      COBOL_Character'Val (158), COBOL_Character'Val (159),
    145. 

  145.      COBOL_Character'Val (160), COBOL_Character'Val (161),
    146. 

  146.      COBOL_Character'Val (162), COBOL_Character'Val (163),
    147. 

  147.      COBOL_Character'Val (164), COBOL_Character'Val (165),
    148. 

  148.      COBOL_Character'Val (166), COBOL_Character'Val (167),
    149. 

  149.      COBOL_Character'Val (168), COBOL_Character'Val (169),
    150. 

  150.      COBOL_Character'Val (170), COBOL_Character'Val (171),
    151. 

  151.      COBOL_Character'Val (172), COBOL_Character'Val (173),
    152. 

  152.      COBOL_Character'Val (174), COBOL_Character'Val (175),
    153. 

  153.      COBOL_Character'Val (176), COBOL_Character'Val (177),
    154. 

  154.      COBOL_Character'Val (178), COBOL_Character'Val (179),
    155. 

  155.      COBOL_Character'Val (180), COBOL_Character'Val (181),
    156. 

  156.      COBOL_Character'Val (182), COBOL_Character'Val (183),
    157. 

  157.      COBOL_Character'Val (184), COBOL_Character'Val (185),
    158. 

  158.      COBOL_Character'Val (186), COBOL_Character'Val (187),
    159. 

  159.      COBOL_Character'Val (188), COBOL_Character'Val (189),
    160. 

  160.      COBOL_Character'Val (190), COBOL_Character'Val (191),
    161. 

  161.      COBOL_Character'Val (192), COBOL_Character'Val (193),
    162. 

  162.      COBOL_Character'Val (194), COBOL_Character'Val (195),
    163. 

  163.      COBOL_Character'Val (196), COBOL_Character'Val (197),
    164. 

  164.      COBOL_Character'Val (198), COBOL_Character'Val (199),
    165. 

  165.      COBOL_Character'Val (200), COBOL_Character'Val (201),
    166. 

  166.      COBOL_Character'Val (202), COBOL_Character'Val (203),
    167. 

  167.      COBOL_Character'Val (204), COBOL_Character'Val (205),
    168. 

  168.      COBOL_Character'Val (206), COBOL_Character'Val (207),
    169. 

  169.      COBOL_Character'Val (208), COBOL_Character'Val (209),
    170. 

  170.      COBOL_Character'Val (210), COBOL_Character'Val (211),
    171. 

  171.      COBOL_Character'Val (212), COBOL_Character'Val (213),
    172. 

  172.      COBOL_Character'Val (214), COBOL_Character'Val (215),
    173. 

  173.      COBOL_Character'Val (216), COBOL_Character'Val (217),
    174. 

  174.      COBOL_Character'Val (218), COBOL_Character'Val (219),
    175. 

  175.      COBOL_Character'Val (220), COBOL_Character'Val (221),
    176. 

  176.      COBOL_Character'Val (222), COBOL_Character'Val (223),
    177. 

  177.      COBOL_Character'Val (224), COBOL_Character'Val (225),
    178. 

  178.      COBOL_Character'Val (226), COBOL_Character'Val (227),
    179. 

  179.      COBOL_Character'Val (228), COBOL_Character'Val (229),
    180. 

  180.      COBOL_Character'Val (230), COBOL_Character'Val (231),
    181. 

  181.      COBOL_Character'Val (232), COBOL_Character'Val (233),
    182. 

  182.      COBOL_Character'Val (234), COBOL_Character'Val (235),
    183. 

  183.      COBOL_Character'Val (236), COBOL_Character'Val (237),
    184. 

  184.      COBOL_Character'Val (238), COBOL_Character'Val (239),
    185. 

  185.      COBOL_Character'Val (240), COBOL_Character'Val (241),
    186. 

  186.      COBOL_Character'Val (242), COBOL_Character'Val (243),
    187. 

  187.      COBOL_Character'Val (244), COBOL_Character'Val (245),
    188. 

  188.      COBOL_Character'Val (246), COBOL_Character'Val (247),
    189. 

  189.      COBOL_Character'Val (248), COBOL_Character'Val (249),
    190. 

  190.      COBOL_Character'Val (250), COBOL_Character'Val (251),
    191. 

  191.      COBOL_Character'Val (252), COBOL_Character'Val (253),
    192. 

  192.      COBOL_Character'Val (254), COBOL_Character'Val (255));
    193. 

  193. 

  194.    COBOL_To_Ada : array (COBOL_Character) of Standard.Character := (
    195. 

  195.      Standard.Character'Val (000), Standard.Character'Val (001),
    196. 

  196.      Standard.Character'Val (002), Standard.Character'Val (003),
    197. 

  197.      Standard.Character'Val (004), Standard.Character'Val (005),
    198. 

  198.      Standard.Character'Val (006), Standard.Character'Val (007),
    199. 

  199.      Standard.Character'Val (008), Standard.Character'Val (009),
    200. 

  200.      Standard.Character'Val (010), Standard.Character'Val (011),
    201. 

  201.      Standard.Character'Val (012), Standard.Character'Val (013),
    202. 

  202.      Standard.Character'Val (014), Standard.Character'Val (015),
    203. 

  203.      Standard.Character'Val (016), Standard.Character'Val (017),
    204. 

  204.      Standard.Character'Val (018), Standard.Character'Val (019),
    205. 

  205.      Standard.Character'Val (020), Standard.Character'Val (021),
    206. 

  206.      Standard.Character'Val (022), Standard.Character'Val (023),
    207. 

  207.      Standard.Character'Val (024), Standard.Character'Val (025),
    208. 

  208.      Standard.Character'Val (026), Standard.Character'Val (027),
    209. 

  209.      Standard.Character'Val (028), Standard.Character'Val (029),
    210. 

  210.      Standard.Character'Val (030), Standard.Character'Val (031),
    211. 

  211.      Standard.Character'Val (032), Standard.Character'Val (033),
    212. 

  212.      Standard.Character'Val (034), Standard.Character'Val (035),
    213. 

  213.      Standard.Character'Val (036), Standard.Character'Val (037),
    214. 

  214.      Standard.Character'Val (038), Standard.Character'Val (039),
    215. 

  215.      Standard.Character'Val (040), Standard.Character'Val (041),
    216. 

  216.      Standard.Character'Val (042), Standard.Character'Val (043),
    217. 

  217.      Standard.Character'Val (044), Standard.Character'Val (045),
    218. 

  218.      Standard.Character'Val (046), Standard.Character'Val (047),
    219. 

  219.      Standard.Character'Val (048), Standard.Character'Val (049),
    220. 

  220.      Standard.Character'Val (050), Standard.Character'Val (051),
    221. 

  221.      Standard.Character'Val (052), Standard.Character'Val (053),
    222. 

  222.      Standard.Character'Val (054), Standard.Character'Val (055),
    223. 

  223.      Standard.Character'Val (056), Standard.Character'Val (057),
    224. 

  224.      Standard.Character'Val (058), Standard.Character'Val (059),
    225. 

  225.      Standard.Character'Val (060), Standard.Character'Val (061),
    226. 

  226.      Standard.Character'Val (062), Standard.Character'Val (063),
    227. 

  227.      Standard.Character'Val (064), Standard.Character'Val (065),
    228. 

  228.      Standard.Character'Val (066), Standard.Character'Val (067),
    229. 

  229.      Standard.Character'Val (068), Standard.Character'Val (069),
    230. 

  230.      Standard.Character'Val (070), Standard.Character'Val (071),
    231. 

  231.      Standard.Character'Val (072), Standard.Character'Val (073),
    232. 

  232.      Standard.Character'Val (074), Standard.Character'Val (075),
    233. 

  233.      Standard.Character'Val (076), Standard.Character'Val (077),
    234. 

  234.      Standard.Character'Val (078), Standard.Character'Val (079),
    235. 

  235.      Standard.Character'Val (080), Standard.Character'Val (081),
    236. 

  236.      Standard.Character'Val (082), Standard.Character'Val (083),
    237. 

  237.      Standard.Character'Val (084), Standard.Character'Val (085),
    238. 

  238.      Standard.Character'Val (086), Standard.Character'Val (087),
    239. 

  239.      Standard.Character'Val (088), Standard.Character'Val (089),
    240. 

  240.      Standard.Character'Val (090), Standard.Character'Val (091),
    241. 

  241.      Standard.Character'Val (092), Standard.Character'Val (093),
    242. 

  242.      Standard.Character'Val (094), Standard.Character'Val (095),
    243. 

  243.      Standard.Character'Val (096), Standard.Character'Val (097),
    244. 

  244.      Standard.Character'Val (098), Standard.Character'Val (099),
    245. 

  245.      Standard.Character'Val (100), Standard.Character'Val (101),
    246. 

  246.      Standard.Character'Val (102), Standard.Character'Val (103),
    247. 

  247.      Standard.Character'Val (104), Standard.Character'Val (105),
    248. 

  248.      Standard.Character'Val (106), Standard.Character'Val (107),
    249. 

  249.      Standard.Character'Val (108), Standard.Character'Val (109),
    250. 

  250.      Standard.Character'Val (110), Standard.Character'Val (111),
    251. 

  251.      Standard.Character'Val (112), Standard.Character'Val (113),
    252. 

  252.      Standard.Character'Val (114), Standard.Character'Val (115),
    253. 

  253.      Standard.Character'Val (116), Standard.Character'Val (117),
    254. 

  254.      Standard.Character'Val (118), Standard.Character'Val (119),
    255. 

  255.      Standard.Character'Val (120), Standard.Character'Val (121),
    256. 

  256.      Standard.Character'Val (122), Standard.Character'Val (123),
    257. 

  257.      Standard.Character'Val (124), Standard.Character'Val (125),
    258. 

  258.      Standard.Character'Val (126), Standard.Character'Val (127),
    259. 

  259.      Standard.Character'Val (128), Standard.Character'Val (129),
    260. 

  260.      Standard.Character'Val (130), Standard.Character'Val (131),
    261. 

  261.      Standard.Character'Val (132), Standard.Character'Val (133),
    262. 

  262.      Standard.Character'Val (134), Standard.Character'Val (135),
    263. 

  263.      Standard.Character'Val (136), Standard.Character'Val (137),
    264. 

  264.      Standard.Character'Val (138), Standard.Character'Val (139),
    265. 

  265.      Standard.Character'Val (140), Standard.Character'Val (141),
    266. 

  266.      Standard.Character'Val (142), Standard.Character'Val (143),
    267. 

  267.      Standard.Character'Val (144), Standard.Character'Val (145),
    268. 

  268.      Standard.Character'Val (146), Standard.Character'Val (147),
    269. 

  269.      Standard.Character'Val (148), Standard.Character'Val (149),
    270. 

  270.      Standard.Character'Val (150), Standard.Character'Val (151),
    271. 

  271.      Standard.Character'Val (152), Standard.Character'Val (153),
    272. 

  272.      Standard.Character'Val (154), Standard.Character'Val (155),
    273. 

  273.      Standard.Character'Val (156), Standard.Character'Val (157),
    274. 

  274.      Standard.Character'Val (158), Standard.Character'Val (159),
    275. 

  275.      Standard.Character'Val (160), Standard.Character'Val (161),
    276. 

  276.      Standard.Character'Val (162), Standard.Character'Val (163),
    277. 

  277.      Standard.Character'Val (164), Standard.Character'Val (165),
    278. 

  278.      Standard.Character'Val (166), Standard.Character'Val (167),
    279. 

  279.      Standard.Character'Val (168), Standard.Character'Val (169),
    280. 

  280.      Standard.Character'Val (170), Standard.Character'Val (171),
    281. 

  281.      Standard.Character'Val (172), Standard.Character'Val (173),
    282. 

  282.      Standard.Character'Val (174), Standard.Character'Val (175),
    283. 

  283.      Standard.Character'Val (176), Standard.Character'Val (177),
    284. 

  284.      Standard.Character'Val (178), Standard.Character'Val (179),
    285. 

  285.      Standard.Character'Val (180), Standard.Character'Val (181),
    286. 

  286.      Standard.Character'Val (182), Standard.Character'Val (183),
    287. 

  287.      Standard.Character'Val (184), Standard.Character'Val (185),
    288. 

  288.      Standard.Character'Val (186), Standard.Character'Val (187),
    289. 

  289.      Standard.Character'Val (188), Standard.Character'Val (189),
    290. 

  290.      Standard.Character'Val (190), Standard.Character'Val (191),
    291. 

  291.      Standard.Character'Val (192), Standard.Character'Val (193),
    292. 

  292.      Standard.Character'Val (194), Standard.Character'Val (195),
    293. 

  293.      Standard.Character'Val (196), Standard.Character'Val (197),
    294. 

  294.      Standard.Character'Val (198), Standard.Character'Val (199),
    295. 

  295.      Standard.Character'Val (200), Standard.Character'Val (201),
    296. 

  296.      Standard.Character'Val (202), Standard.Character'Val (203),
    297. 

  297.      Standard.Character'Val (204), Standard.Character'Val (205),
    298. 

  298.      Standard.Character'Val (206), Standard.Character'Val (207),
    299. 

  299.      Standard.Character'Val (208), Standard.Character'Val (209),
    300. 

  300.      Standard.Character'Val (210), Standard.Character'Val (211),
    301. 

  301.      Standard.Character'Val (212), Standard.Character'Val (213),
    302. 

  302.      Standard.Character'Val (214), Standard.Character'Val (215),
    303. 

  303.      Standard.Character'Val (216), Standard.Character'Val (217),
    304. 

  304.      Standard.Character'Val (218), Standard.Character'Val (219),
    305. 

  305.      Standard.Character'Val (220), Standard.Character'Val (221),
    306. 

  306.      Standard.Character'Val (222), Standard.Character'Val (223),
    307. 

  307.      Standard.Character'Val (224), Standard.Character'Val (225),
    308. 

  308.      Standard.Character'Val (226), Standard.Character'Val (227),
    309. 

  309.      Standard.Character'Val (228), Standard.Character'Val (229),
    310. 

  310.      Standard.Character'Val (230), Standard.Character'Val (231),
    311. 

  311.      Standard.Character'Val (232), Standard.Character'Val (233),
    312. 

  312.      Standard.Character'Val (234), Standard.Character'Val (235),
    313. 

  313.      Standard.Character'Val (236), Standard.Character'Val (237),
    314. 

  314.      Standard.Character'Val (238), Standard.Character'Val (239),
    315. 

  315.      Standard.Character'Val (240), Standard.Character'Val (241),
    316. 

  316.      Standard.Character'Val (242), Standard.Character'Val (243),
    317. 

  317.      Standard.Character'Val (244), Standard.Character'Val (245),
    318. 

  318.      Standard.Character'Val (246), Standard.Character'Val (247),
    319. 

  319.      Standard.Character'Val (248), Standard.Character'Val (249),
    320. 

  320.      Standard.Character'Val (250), Standard.Character'Val (251),
    321. 

  321.      Standard.Character'Val (252), Standard.Character'Val (253),
    322. 

  322.      Standard.Character'Val (254), Standard.Character'Val (255));
    323. 

  323. 

  324.    type Alphanumeric is array (Positive range <>) of COBOL_Character;
    325. 

  325.    --  pragma Pack (Alphanumeric);
    326. 

  326. 

  327.    function To_COBOL (Item : String) return Alphanumeric;
    328. 

  328.    function To_Ada   (Item : Alphanumeric) return String;
    329. 

  329. 

  330.    procedure To_COBOL
    331. 

  331.      (Item   : String;
    332. 

  332.       Target : out Alphanumeric;
    333. 

  333.       Last   : out Natural);
    334. 

  334. 

  335.    procedure To_Ada
    336. 

  336.      (Item   : Alphanumeric;
    337. 

  337.       Target : out String;
    338. 

  338.       Last   : out Natural);
    339. 

  339. 

  340.    type Numeric is array (Positive range <>) of COBOL_Character;
    341. 

  341.    --  pragma Pack (Numeric);
    342. 

  342. 

  343.    --------------------------------------------
    344. 

  344.    -- Formats For COBOL Data Representations --
    345. 

  345.    --------------------------------------------
    346. 

  346. 

  347.    type Display_Format is private;
    348. 

  348. 

  349.    Unsigned             : constant Display_Format;
    350. 

  350.    Leading_Separate     : constant Display_Format;
    351. 

  351.    Trailing_Separate    : constant Display_Format;
    352. 

  352.    Leading_Nonseparate  : constant Display_Format;
    353. 

  353.    Trailing_Nonseparate : constant Display_Format;
    354. 

  354. 

  355.    type Binary_Format is private;
    356. 

  356. 

  357.    High_Order_First          : constant Binary_Format;
    358. 

  358.    Low_Order_First           : constant Binary_Format;
    359. 

  359.    Native_Binary             : constant Binary_Format;
    360. 

  360.    High_Order_First_Unsigned : constant Binary_Format;
    361. 

  361.    Low_Order_First_Unsigned  : constant Binary_Format;
    362. 

  362.    Native_Binary_Unsigned    : constant Binary_Format;
    363. 

  363. 

  364.    type Packed_Format is private;
    365. 

  365. 

  366.    Packed_Unsigned   : constant Packed_Format;
    367. 

  367.    Packed_Signed     : constant Packed_Format;
    368. 

  368. 

  369.    ------------------------------------------------------------
    370. 

  370.    -- Types For External Representation Of COBOL Binary Data --
    371. 

  371.    ------------------------------------------------------------
    372. 

  372. 

  373.    type Byte is mod 2 ** COBOL_Character'Size;
    374. 

  374.    type Byte_Array is array (Positive range <>) of Byte;
    375. 

  375.    --  pragma Pack (Byte_Array);
    376. 

  376. 

  377.    Conversion_Error : exception;
    378. 

  378. 

  379.    generic
    380. 

  380.       type Num is delta <> digits <>;
    381. 

  381. 

  382.    package Decimal_Conversions is
    383. 

  383. 

  384.       --  Display Formats: data values are represented as Numeric
    385. 

  385. 

  386.       function Valid
    387. 

  387.         (Item   : Numeric;
    388. 

  388.          Format : Display_Format) return Boolean;
    389. 

  389. 

  390.       function Length
    391. 

  391.         (Format : Display_Format) return Natural;
    392. 

  392. 

  393.       function To_Decimal
    394. 

  394.         (Item   : Numeric;
    395. 

  395.          Format : Display_Format)
    396. 

  396.          return   Num;
    397. 

  397. 

  398.       function To_Display
    399. 

  399.         (Item   : Num;
    400. 

  400.          Format : Display_Format) return Numeric;
    401. 

  401. 

  402.       --  Packed Formats: data values are represented as Packed_Decimal
    403. 

  403. 

  404.       function Valid
    405. 

  405.         (Item   : Packed_Decimal;
    406. 

  406.          Format : Packed_Format) return Boolean;
    407. 

  407. 

  408.       function Length
    409. 

  409.         (Format : Packed_Format) return Natural;
    410. 

  410. 

  411.       function To_Decimal
    412. 

  412.         (Item   : Packed_Decimal;
    413. 

  413.          Format : Packed_Format) return Num;
    414. 

  414. 

  415.       function To_Packed
    416. 

  416.         (Item   : Num;
    417. 

  417.          Format : Packed_Format) return Packed_Decimal;
    418. 

  418. 

  419.       --  Binary Formats: external data values are represented as Byte_Array
    420. 

  420. 

  421.       function Valid
    422. 

  422.         (Item   : Byte_Array;
    423. 

  423.          Format : Binary_Format) return Boolean;
    424. 

  424. 

  425.       function Length
    426. 

  426.         (Format : Binary_Format)
    427. 

  427.          return   Natural;
    428. 

  428. 

  429.       function To_Decimal
    430. 

  430.         (Item   : Byte_Array;
    431. 

  431.          Format : Binary_Format) return Num;
    432. 

  432. 

  433.       function To_Binary
    434. 

  434.         (Item   : Num;
    435. 

  435.          Format : Binary_Format) return Byte_Array;
    436. 

  436. 

  437.       --  Internal Binary formats: data values are of type Binary/Long_Binary
    438. 

  438. 

  439.       function To_Decimal (Item : Binary)      return Num;
    440. 

  440.       function To_Decimal (Item : Long_Binary) return Num;
    441. 

  441. 

  442.       function To_Binary      (Item : Num)  return Binary;
    443. 

  443.       function To_Long_Binary (Item : Num)  return Long_Binary;
    444. 

  444. 

  445.    private
    446. 

  446.       pragma Inline (Length);
    447. 

  447.       pragma Inline (To_Binary);
    448. 

  448.       pragma Inline (To_Decimal);
    449. 

  449.       pragma Inline (To_Display);
    450. 

  450.       pragma Inline (To_Long_Binary);
    451. 

  451.       pragma Inline (Valid);
    452. 

  452. 

  453.    end Decimal_Conversions;
    454. 

  454. 

  455.    ------------------------------------------
    456. 

  456.    -- Implementation Dependent Definitions --
    457. 

  457.    ------------------------------------------
    458. 

  458. 

  459.    --  The implementation dependent definitions are wholly contained in the
    460. 

  460.    --  private part of this spec (the body is implementation independent)
    461. 

  461. 

  462. private
    463. 

  463.    -------------------
    464. 

  464.    -- Binary Format --
    465. 

  465.    -------------------
    466. 

  466. 

  467.    type Binary_Format is (H, L, N, HU, LU, NU);
    468. 

  468. 

  469.    subtype Binary_Unsigned_Format is Binary_Format range HU .. NU;
    470. 

  470. 

  471.    High_Order_First          : constant Binary_Format := H;
    472. 

  472.    Low_Order_First           : constant Binary_Format := L;
    473. 

  473.    Native_Binary             : constant Binary_Format := N;
    474. 

  474.    High_Order_First_Unsigned : constant Binary_Format := HU;
    475. 

  475.    Low_Order_First_Unsigned  : constant Binary_Format := LU;
    476. 

  476.    Native_Binary_Unsigned    : constant Binary_Format := NU;
    477. 

  477. 

  478.    ---------------------------
    479. 

  479.    -- Packed Decimal Format --
    480. 

  480.    ---------------------------
    481. 

  481. 

  482.    --  Packed decimal numbers use the IBM mainframe format:
    483. 

  483. 

  484.    --     dd dd ... dd dd ds
    485. 

  485. 

  486.    --  where d are the Digits, in natural left to right order, and s is
    487. 

  487.    --  the sign digit. If the number of Digits os even, then the high
    488. 

  488.    --  order (leftmost) Digits is always a 0. For example, a six digit
    489. 

  489.    --  number has the format:
    490. 

  490. 

  491.    --     0d dd dd ds
    492. 

  492. 

  493.    --  The sign digit has the possible values
    494. 

  494. 

  495.    --     16#0A#     non-standard plus sign
    496. 

  496.    --     16#0B#     non-standard minus sign
    497. 

  497.    --     16#0C#     standard plus sign
    498. 

  498.    --     16#0D#     standard minus sign
    499. 

  499.    --     16#0E#     non-standard plus sign
    500. 

  500.    --     16#0F#     standard unsigned sign
    501. 

  501. 

  502.    --  The non-standard signs are recognized on input, but never generated
    503. 

  503.    --  for output numbers. The 16#0F# distinguishes unsigned numbers from
    504. 

  504.    --  signed positive numbers, but is treated as positive for computational
    505. 

  505.    --  purposes. This format provides distinguished positive and negative
    506. 

  506.    --  zero values, which behave the same in all operations.
    507. 

  507. 

  508.    type Packed_Format is (U, S);
    509. 

  509. 

  510.    Packed_Unsigned : constant Packed_Format := U;
    511. 

  511.    Packed_Signed   : constant Packed_Format := S;
    512. 

  512. 

  513.    type Packed_Representation_Type is (IBM);
    514. 

  514.    --  Indicator for format used for packed decimal
    515. 

  515. 

  516.    Packed_Representation : constant Packed_Representation_Type := IBM;
    517. 

  517.    --  This version of the spec uses IBM internal format, as described above
    518. 

  518. 

  519.    -----------------------------
    520. 

  520.    -- Display Decimal Formats --
    521. 

  521.    -----------------------------
    522. 

  522. 

  523.    --  Display numbers are stored in standard ASCII format, as ASCII strings.
    524. 

  524.    --  For the embedded signs, the following codes are used:
    525. 

  525. 

  526.    --     0-9 positive:  16#30# .. 16#39# (i.e. natural ASCII digit code)
    527. 

  527.    --     0-9 negative:  16#20# .. 16#29# (ASCII digit code - 16#10#)
    528. 

  528. 

  529.    type Display_Format is (U, LS, TS, LN, TN);
    530. 

  530. 

  531.    Unsigned             : constant Display_Format := U;
    532. 

  532.    Leading_Separate     : constant Display_Format := LS;
    533. 

  533.    Trailing_Separate    : constant Display_Format := TS;
    534. 

  534.    Leading_Nonseparate  : constant Display_Format := LN;
    535. 

  535.    Trailing_Nonseparate : constant Display_Format := TN;
    536. 

  536. 

  537.    subtype COBOL_Digits is COBOL_Character range '0' .. '9';
    538. 

  538.    --  Digit values in display decimal
    539. 

  539. 

  540.    COBOL_Space : constant COBOL_Character := ' ';
    541. 

  541.    COBOL_Plus  : constant COBOL_Character := '+';
    542. 

  542.    COBOL_Minus : constant COBOL_Character := '-';
    543. 

  543.    --  Sign values for Leading_Separate and Trailing_Separate formats
    544. 

  544. 

  545.    subtype COBOL_Plus_Digits is COBOL_Character
    546. 

  546.      range COBOL_Character'Val (16#30#) .. COBOL_Character'Val (16#39#);
    547. 

  547.    --  Values used for embedded plus signs in nonseparate formats
    548. 

  548. 

  549.    subtype COBOL_Minus_Digits is COBOL_Character
    550. 

  550.      range COBOL_Character'Val (16#20#) .. COBOL_Character'Val (16#29#);
    551. 

  551.    --  Values used for embedded minus signs in nonseparate formats
    552. 

  552. 

  553. end Interfaces.COBOL;
    554. 

  554.