source/names.c

   1
   2     /*+-----------------------------------------------------------------**
   3      **                       OpenScop Library                          **
   4      **-----------------------------------------------------------------**
   5      **                      extensions/names.c                         **
   6      **-----------------------------------------------------------------**
   7      **                   First version: 18/04/2011                     **
   8      **-----------------------------------------------------------------**
   9
  10
  11  *****************************************************************************
  12  * OpenScop: Structures and formats for polyhedral tools to talk together    *
  13  *****************************************************************************
  14  *    ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__,                *
  15  *    /   / /  //  //  //  // /   / /  //  //   / /  // /  /|,_,             *
  16  *   /   / /  //  //  //  // /   / /  //  //   / /  // /  / / /\             *
  17  *  |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/  \            *
  18  *  | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\  \ /\           *
  19  *  | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\          *
  20  *  | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \  \         *
  21  *  | P |n| l | = | s | t |=| = |d| = | = | = | |   |=| o | | \# \  \        *
  22  *  | H | | y |   | e | o | | = |l|   |   | = | |   | | G | |  \  \  \       *
  23  *  | I | |   |   | e |   | |   | |   |   |   | |   | |   | |   \  \  \      *
  24  *  | T | |   |   |   |   | |   | |   |   |   | |   | |   | |    \  \  \     *
  25  *  | E | |   |   |   |   | |   | |   |   |   | |   | |   | |     \  \  \    *
  26  *  | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | /      \* \  \   *
  27  *  | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/        \  \ /   *
  28  *  '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---'          '--'    *
  29  *                                                                           *
  30  * Copyright (C) 2008 University Paris-Sud 11 and INRIA                      *
  31  *                                                                           *
  32  * (3-clause BSD license)                                                    *
  33  * Redistribution and use in source  and binary forms, with or without       *
  34  * modification, are permitted provided that the following conditions        *
  35  * are met:                                                                  *
  36  *                                                                           *
  37  * 1. Redistributions of source code must retain the above copyright notice, *
  38  *    this list of conditions and the following disclaimer.                  *
  39  * 2. Redistributions in binary form must reproduce the above copyright      *
  40  *    notice, this list of conditions and the following disclaimer in the    *
  41  *    documentation and/or other materials provided with the distribution.   *
  42  * 3. The name of the author may not be used to endorse or promote products  *
  43  *    derived from this software without specific prior written permission.  *
  44  *                                                                           *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      *
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   *
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          *
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  *
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     *
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       *
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  *
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         *
  55  *                                                                           *
  56  * OpenScop Library, a library to manipulate OpenScop formats and data       *
  57  * structures. Written by:                                                   *
  58  * Cedric Bastoul     <Cedric.Bastoul@u-psud.fr> and                         *
  59  * Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr>                          *
  60  *                                                                           *
  61  *****************************************************************************/
  62
  63 # include <stdlib.h>
  64 # include <stdio.h>
  65 # include <string.h>
  66 # include <osl/names.h>
  67
  68
  69 /*+***************************************************************************
  70  *                          Structure display function                       *
  71  *****************************************************************************/
  72
  73
  74 /**
  75  * osl_names_idump function:
  76  * this function displays an osl_names_t structure (*names) into a
  77  * file (file, possibly stdout) in a way that trends to be understandable. It
  78  * includes an indentation level (level) in order to work with others
  79  * print_structure functions.
  80  * \param[in] file  The file where the information has to be printed.
  81  * \param[in] names The names structure whose information has to be printed.
  82  * \param[in] level Number of spaces before printing, for each line.
  83  */
  84 void osl_names_idump(FILE * file, osl_names_p names, int level) {
  85   int j;
  86
  87   // Go to the right level.
  88   for (j = 0; j < level; j++)
  89     fprintf(file, "|\t");
  90
  91   if (names != NULL)
  92     fprintf(file, "+-- osl_names_t\n");
  93   else
  94     fprintf(file, "+-- NULL names\n");
  95
  96   if (names != NULL) {
  97     // A blank line.
  98     for (j = 0; j <= level+1; j++)
  99       fprintf(file, "|\t");
 100     fprintf(file, "\n");
 101
 102     // Print the various names.
 103     osl_strings_idump(file, names->parameters, level + 1);
 104     osl_strings_idump(file, names->iterators,  level + 1);
 105     osl_strings_idump(file, names->scatt_dims, level + 1);
 106     osl_strings_idump(file, names->local_dims, level + 1);
 107     osl_strings_idump(file, names->arrays,     level + 1);
 108   }
 109
 110   // The last line.
 111   for (j = 0; j <= level; j++)
 112     fprintf(file, "|\t");
 113   fprintf(file, "\n");
 114 }
 115
 116
 117 /**
 118  * osl_names_dump function:
 119  * this function prints the content of an osl_names_t structure
 120  * (*names) into a file (file, possibly stdout).
 121  * \param[in] file  The file where the information has to be printed.
 122  * \param[in] names The names structure whose information has to be printed.
 123  */
 124 void osl_names_dump(FILE * file, osl_names_p names) {
 125   osl_names_idump(file, names, 0);
 126 }
 127
 128
 129 /*****************************************************************************
 130  *                               Reading function                            *
 131  *****************************************************************************/
 132
 133
 134 /*+***************************************************************************
 135  *                    Memory allocation/deallocation function                *
 136  *****************************************************************************/
 137
 138
 139 /**
 140  * osl_names_malloc function:
 141  * this function allocates the memory space for an osl_names_t
 142  * structure and sets its fields with default values. Then it returns a
 143  * pointer to the allocated space.
 144  * \return A pointer to an empty names structure with fields set to
 145  *         default values.
 146  */
 147 osl_names_p osl_names_malloc() {
 148   osl_names_p names;
 149
 150   OSL_malloc(names, osl_names_p, sizeof(osl_names_t));
 151   names->parameters = NULL;
 152   names->iterators  = NULL;
 153   names->scatt_dims = NULL;
 154   names->local_dims = NULL;
 155   names->arrays     = NULL;
 156
 157   return names;
 158 }
 159
 160
 161 /**
 162  * osl_names_free function:
 163  * This function frees the allocated memory for an osl_names_t
 164  * structure. If the names are not character strings, it is the
 165  * responsibility of the user to free each array of elements (including
 166  * the array itself), this function will only free the osl_names_t shell.
 167  * \param[in,out] names The pointer to the names structure we want to free.
 168  */
 169 void osl_names_free(osl_names_p names) {
 170   if (names != NULL) {
 171     osl_strings_free(names->parameters);
 172     osl_strings_free(names->iterators);
 173     osl_strings_free(names->scatt_dims);
 174     osl_strings_free(names->local_dims);
 175     osl_strings_free(names->arrays);
 176
 177     free(names);
 178   }
 179 }
 180
 181
 182 /*+***************************************************************************
 183  *                            Processing functions                           *
 184  *****************************************************************************/
 185
 186
 187 /**
 188  * osl_names_generate function:
 189  * this function generates some names. For each kind of name it will generate
 190  * a given number of names with a given prefix followed by a number.
 191  * \param[in] parameter_prefix Prefix for parameter names.
 192  * \param[in] nb_parameters    Number of parameters names to generate.
 193  * \param[in] iterator_prefix  Prefix for iterator names.
 194  * \param[in] nb_iteratorrs    Number of iterators names to generate.
 195  * \param[in] scatt_dim_prefix Prefix for scattering dimension names.
 196  * \param[in] nb_scatt_dims    Number of scattering dim names to generate.
 197  * \param[in] local_dim_prefix Prefix for local dimension names.
 198  * \param[in] nb_local_dims    Number of local dimension names to generate.
 199  * \param[in] array_prefix     Prefix for array names.
 200  * \param[in] nb_arrays        Number of array names to generate.
 201  * \return A new names structure containing generated names.
 202  */
 203 osl_names_p osl_names_generate(
 204     char * parameter_prefix, int nb_parameters,
 205     char * iterator_prefix,  int nb_iterators,
 206     char * scatt_dim_prefix, int nb_scatt_dims,
 207     char * local_dim_prefix, int nb_local_dims,
 208     char * array_prefix,     int nb_arrays) {
 209   osl_names_p names = osl_names_malloc();
 210
 211   names->parameters= osl_strings_generate(parameter_prefix,nb_parameters);
 212   names->iterators = osl_strings_generate(iterator_prefix, nb_iterators);
 213   names->scatt_dims= osl_strings_generate(scatt_dim_prefix,nb_scatt_dims);
 214   names->local_dims= osl_strings_generate(local_dim_prefix,nb_local_dims);
 215   names->arrays    = osl_strings_generate(array_prefix,    nb_arrays);
 216
 217   return names;
 218 }
 219
 220 /**
 221  * osl_names_clone function:
 222  * this function builds and returns a "hard copy" (not a pointer copy) of an
 223  * osl_names_t data structure provided as parameter.
 224  * \param[in] names The pointer to the names structure we want to clone.
 225  * \return A pointer to the clone of the names structure provided as parameter.
 226  */
 227 osl_names_p osl_names_clone(osl_names_p names) {
 228   osl_names_p clone = NULL;
 229
 230   if (names != NULL) {
 231     clone = osl_names_malloc();
 232     clone->parameters = osl_strings_clone(names->parameters);
 233     clone->iterators  = osl_strings_clone(names->iterators);
 234     clone->scatt_dims = osl_strings_clone(names->scatt_dims);
 235     clone->local_dims = osl_strings_clone(names->local_dims);
 236     clone->arrays     = osl_strings_clone(names->arrays);
 237   }
 238   return clone;
 239 }