insert.hpp 6.6 KB

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  1. # /* **************************************************************************
  2. # * *
  3. # * (C) Copyright Paul Mensonides 2002.
  4. # * Distributed under the Boost Software License, Version 1.0. (See
  5. # * accompanying file LICENSE_1_0.txt or copy at
  6. # * http://www.boost.org/LICENSE_1_0.txt)
  7. # * *
  8. # ************************************************************************** */
  9. #
  10. # /* Revised by Edward Diener (2020) */
  11. #
  12. # /* See http://www.boost.org for most recent version. */
  13. #
  14. # ifndef BOOST_PREPROCESSOR_ARRAY_INSERT_HPP
  15. # define BOOST_PREPROCESSOR_ARRAY_INSERT_HPP
  16. #
  17. # include <boost/preprocessor/config/config.hpp>
  18. #
  19. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  20. #
  21. # include <boost/preprocessor/arithmetic/inc.hpp>
  22. # include <boost/preprocessor/array/elem.hpp>
  23. # include <boost/preprocessor/array/push_back.hpp>
  24. # include <boost/preprocessor/array/size.hpp>
  25. # include <boost/preprocessor/comparison/not_equal.hpp>
  26. # include <boost/preprocessor/control/deduce_d.hpp>
  27. # include <boost/preprocessor/control/iif.hpp>
  28. # include <boost/preprocessor/control/while.hpp>
  29. # include <boost/preprocessor/tuple/elem.hpp>
  30. #
  31. # /* BOOST_PP_ARRAY_INSERT */
  32. #
  33. # define BOOST_PP_ARRAY_INSERT(array, i, elem) BOOST_PP_ARRAY_INSERT_I(BOOST_PP_DEDUCE_D(), array, i, elem)
  34. # define BOOST_PP_ARRAY_INSERT_I(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D(d, array, i, elem)
  35. #
  36. # /* BOOST_PP_ARRAY_INSERT_D */
  37. #
  38. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  39. # define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
  40. # else
  41. # define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem)
  42. # define BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
  43. # endif
  44. #
  45. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  46. # define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I state
  47. # else
  48. # define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I(nil, nil, nil, BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
  49. # endif
  50. #
  51. # define BOOST_PP_ARRAY_INSERT_P_I(_i, _ii, _iii, res, arr) BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), BOOST_PP_INC(BOOST_PP_ARRAY_SIZE(arr)))
  52. #
  53. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  54. # define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I state
  55. # else
  56. # define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I(BOOST_PP_TUPLE_ELEM(5, 0, state), BOOST_PP_TUPLE_ELEM(5, 1, state), BOOST_PP_TUPLE_ELEM(5, 2, state), BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
  57. # endif
  58. #
  59. # define BOOST_PP_ARRAY_INSERT_O_I(n, i, elem, res, arr) (BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_INC(n), n), i, elem, BOOST_PP_ARRAY_PUSH_BACK(res, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_ARRAY_ELEM(n, arr), elem)), arr)
  60. #
  61. # else
  62. #
  63. # include <boost/preprocessor/arithmetic/inc.hpp>
  64. # include <boost/preprocessor/array/elem.hpp>
  65. # include <boost/preprocessor/array/push_back.hpp>
  66. # include <boost/preprocessor/array/size.hpp>
  67. # include <boost/preprocessor/comparison/not_equal.hpp>
  68. # include <boost/preprocessor/config/limits.hpp>
  69. # include <boost/preprocessor/control/deduce_d.hpp>
  70. # include <boost/preprocessor/control/iif.hpp>
  71. # include <boost/preprocessor/control/while.hpp>
  72. # if BOOST_PP_LIMIT_TUPLE == 256
  73. # include <boost/preprocessor/facilities/identity.hpp>
  74. # include <boost/preprocessor/logical/not.hpp>
  75. # endif
  76. # include <boost/preprocessor/tuple/elem.hpp>
  77. #
  78. # /* BOOST_PP_ARRAY_INSERT */
  79. #
  80. # define BOOST_PP_ARRAY_INSERT(array, i, elem) BOOST_PP_ARRAY_INSERT_I(BOOST_PP_DEDUCE_D(), array, i, elem)
  81. # define BOOST_PP_ARRAY_INSERT_I(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D(d, array, i, elem)
  82. #
  83. # /* BOOST_PP_ARRAY_INSERT_D */
  84. #
  85. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  86. # if BOOST_PP_LIMIT_TUPLE == 256
  87. # define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) \
  88. BOOST_PP_IIF(BOOST_PP_NOT(BOOST_PP_ARRAY_SIZE(array)),BOOST_PP_IDENTITY_N((1,(elem)),5),BOOST_PP_ARRAY_INSERT_ZERO_D)(d, array, i, elem, BOOST_PP_NOT(i))
  89. # else
  90. # define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
  91. # endif
  92. # else
  93. # define BOOST_PP_ARRAY_INSERT_D(d, array, i, elem) BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem)
  94. # if BOOST_PP_LIMIT_TUPLE == 256
  95. # define BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem) \
  96. BOOST_PP_IIF(BOOST_PP_NOT(BOOST_PP_ARRAY_SIZE(array)),BOOST_PP_IDENTITY_N((1,(elem)),5),BOOST_PP_ARRAY_INSERT_ZERO_D)(d, array, i, elem, BOOST_PP_NOT(i))
  97. # else
  98. # define BOOST_PP_ARRAY_INSERT_D_I(d, array, i, elem) BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, (0, i, elem, (0, ()), array)))
  99. # endif
  100. # endif
  101. #
  102. # if BOOST_PP_LIMIT_TUPLE == 256
  103. # define BOOST_PP_ARRAY_INSERT_ZERO_D(d, array, i, elem, zero) \
  104. BOOST_PP_TUPLE_ELEM(5, 3, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_INSERT_P, BOOST_PP_ARRAY_INSERT_O, \
  105. (1, i, elem, BOOST_PP_IIF( zero, ( 2 , ( elem , BOOST_PP_ARRAY_ELEM(0,array) ) ) , ( 1 , ( BOOST_PP_ARRAY_ELEM(0,array) ) ) ), array)))
  106. # endif
  107. #
  108. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  109. # define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I state
  110. # else
  111. # define BOOST_PP_ARRAY_INSERT_P(d, state) BOOST_PP_ARRAY_INSERT_P_I(nil, nil, nil, BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
  112. # endif
  113. #
  114. # define BOOST_PP_ARRAY_INSERT_P_I(_i, _ii, _iii, res, arr) BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), BOOST_PP_INC(BOOST_PP_ARRAY_SIZE(arr)))
  115. #
  116. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  117. # define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I state
  118. # else
  119. # define BOOST_PP_ARRAY_INSERT_O(d, state) BOOST_PP_ARRAY_INSERT_O_I(BOOST_PP_TUPLE_ELEM(5, 0, state), BOOST_PP_TUPLE_ELEM(5, 1, state), BOOST_PP_TUPLE_ELEM(5, 2, state), BOOST_PP_TUPLE_ELEM(5, 3, state), BOOST_PP_TUPLE_ELEM(5, 4, state))
  120. # endif
  121. #
  122. # define BOOST_PP_ARRAY_INSERT_O_I(n, i, elem, res, arr) (BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_INC(n), n), i, elem, BOOST_PP_ARRAY_PUSH_BACK(res, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(BOOST_PP_ARRAY_SIZE(res), i), BOOST_PP_ARRAY_ELEM(n, arr), elem)), arr)
  123. #
  124. # endif
  125. #
  126. # endif