extbody.c

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    /*+-----------------------------------------------------------------**
     **                       OpenScop Library                          **
     **-----------------------------------------------------------------**
     **                      extensions/extbody.c                       **
     **-----------------------------------------------------------------**
     **                   First version: 07/12/2010                     **
     **-----------------------------------------------------------------**


 *****************************************************************************
 * OpenScop: Structures and formats for polyhedral tools to talk together    *
 *****************************************************************************
 *    ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__,                *
 *    /   / /  //  //  //  // /   / /  //  //   / /  // /  /|,_,             *
 *   /   / /  //  //  //  // /   / /  //  //   / /  // /  / / /\             *
 *  |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/  \            *
 *  | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\  \ /\           *
 *  | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\          *
 *  | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \  \         *
 *  | P |n| l | = | s | t |=| = |d| = | = | = | |   |=| o | | \# \  \        *
 *  | H | | y |   | e | o | | = |l|   |   | = | |   | | G | |  \  \  \       *
 *  | I | |   |   | e |   | |   | |   |   |   | |   | |   | |   \  \  \      *
 *  | T | |   |   |   |   | |   | |   |   |   | |   | |   | |    \  \  \     *
 *  | E | |   |   |   |   | |   | |   |   |   | |   | |   | |     \  \  \    *
 *  | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | /      \* \  \   *
 *  | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/        \  \ /   *
 *  '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---'          '--'    *
 *                                                                           *
 * Copyright (C) 2008 University Paris-Sud 11 and INRIA                      *
 *                                                                           *
 * (3-clause BSD license)                                                    *
 * Redistribution and use in source  and binary forms, with or without       *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 * 3. The name of the author may not be used to endorse or promote products  *
 *    derived from this software without specific prior written permission.  *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      *
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   *
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          *
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  *
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     *
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       *
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  *
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         *
 *                                                                           *
 * OpenScop Library, a library to manipulate OpenScop formats and data       *
 * structures. Written by:                                                   *
 * Cedric Bastoul     <Cedric.Bastoul@u-psud.fr> and                         *
 * Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr>                          *
 *                                                                           *
 *****************************************************************************/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include <osl/macros.h>
#include <osl/util.h>
#include <osl/body.h>
#include <osl/extensions/extbody.h>


/*+***************************************************************************
 *                          Structure display function                       *
 *****************************************************************************/


void osl_extbody_idump(FILE * file, osl_extbody_p ebody, int level) {
  int i, j;

  // Go to the right level.
  for (j = 0; j < level; j++)
    fprintf(file, "|\t");

  if (ebody != NULL)
    fprintf(file, "+-- osl_extbody_t\n");
  else
    fprintf(file, "+-- NULL extbody\n");

  if (ebody != NULL) {
    // Go to the right level.
    for(j = 0; j <= level; j++)
      fprintf(file, "|\t");

    // Display the number of ebody.
    fprintf(file, "nb_access: %d\n", ebody->nb_access);

    // Display the coordinates.
    for(i = 0; i < ebody->nb_access; i++) {
      // Go to the right level.
      for(j = 0; j <= level; j++)
        fprintf(file, "|\t");

      fprintf(file, "start: %d, length: %d\n",
              ebody->start[i], ebody->length[i]);
    }

    // Display the body
    osl_body_idump(file, ebody->body, level);
  }

  // The last line.
  for (j = 0; j <= level; j++)
    fprintf(file, "|\t");
  fprintf(file, "\n");
}


void osl_extbody_dump(FILE * file, osl_extbody_p ebody) {
  osl_extbody_idump(file, ebody, 0);
}


char * osl_extbody_sprint(osl_extbody_p ebody) {
  int i;
  int high_water_mark = OSL_MAX_STRING;
  char * string = NULL, * body_string = NULL;
  char buffer[OSL_MAX_STRING];

  if (ebody != NULL) {
    OSL_malloc(string, char *, high_water_mark * sizeof(char));
    string[0] = '\0';

    sprintf(buffer, "# Number of accesses\n");
    osl_util_safe_strcat(&string, buffer, &high_water_mark);

    sprintf(buffer, "%d\n", ebody->nb_access);
    osl_util_safe_strcat(&string, buffer, &high_water_mark);

    if (ebody->nb_access) {
      sprintf(buffer, "# Access coordinates (start/length)\n");
      osl_util_safe_strcat(&string, buffer, &high_water_mark);
    }
    for (i = 0; i < ebody->nb_access; i++) {
      sprintf(buffer, "%d %d\n", ebody->start[i], ebody->length[i]);
      osl_util_safe_strcat(&string, buffer, &high_water_mark);
    }

    body_string = osl_body_sprint(ebody->body);
    osl_util_safe_strcat(&string, body_string, &high_water_mark);
    free(body_string);
  }

  return string;
}


/*****************************************************************************
 *                               Reading function                            *
 *****************************************************************************/


osl_extbody_p osl_extbody_sread(char ** input) {
  int k;
  int nb_access;
  osl_extbody_p ebody;

  if (input == NULL) {
    OSL_debug("no extbody optional tag");
    return NULL;
  }

  // Find the number of ebody provided.
  nb_access = osl_util_read_int(NULL, input);

  // Allocate the array of start and length.
  ebody = osl_extbody_malloc();
  OSL_malloc(ebody->start, int *, nb_access * sizeof(int));
  OSL_malloc(ebody->length, int *, nb_access * sizeof(int));
  ebody->nb_access = nb_access;

  // Get each array start/length.
  for (k = 0; k < nb_access; k++) {
    ebody->start[k] = osl_util_read_int(NULL, input);
    ebody->length[k] = osl_util_read_int(NULL, input);
  }

  // Read simple body.
  ebody->body = osl_body_sread(input);

  return ebody;
}


/*+***************************************************************************
 *                    Memory allocation/deallocation function                *
 *****************************************************************************/


osl_extbody_p osl_extbody_malloc() {
  osl_extbody_p ebody;
  OSL_malloc(ebody, osl_extbody_p, sizeof(osl_extbody_t));

  ebody->nb_access = 0;
  ebody->start     = NULL;
  ebody->length    = NULL;
  ebody->body      = NULL;

  return ebody;
}


void osl_extbody_free(osl_extbody_p ebody) {
  if (ebody != NULL) {
    free(ebody->start);
    free(ebody->length);
    osl_body_free(ebody->body);
    free(ebody);
  }
}


/*+***************************************************************************
 *                            Processing functions                           *
 *****************************************************************************/


osl_extbody_p osl_extbody_clone(osl_extbody_p ebody) {
  int i;
  osl_extbody_p clone;

  if (ebody == NULL)
    return NULL;

  clone = osl_extbody_malloc();
  clone->nb_access = ebody->nb_access;
  OSL_malloc(clone->start, int *, ebody->nb_access * sizeof(int));
  OSL_malloc(clone->length, int *, ebody->nb_access * sizeof(int));

  for (i = 0; i < ebody->nb_access; i++) {
    clone->start[i]  = ebody->start[i];
    clone->length[i] = ebody->length[i];
  }

  clone->body = osl_body_clone(ebody->body);

  return clone;
}


int osl_extbody_equal(osl_extbody_p e1, osl_extbody_p e2) {
  int i, j, found;

  if (e1 == e2)
    return 1;

  if (((e1 == NULL) && (e2 != NULL)) || ((e1 != NULL) && (e2 == NULL))) {
    OSL_info("extbody are not the same");
    return 0;
  }

  // Check whether the number of ebody is the same.
  if (e1->nb_access != e2->nb_access) {
    OSL_info("extbody are not the same");
    return 0;
  }

  // We accept a different order of the start/length, as long as the
  // identifiers are the same.
  for (i = 0; i < e1->nb_access; i++) {
    found = 0;
    for (j = 0; j < e2->nb_access; j++) {
      if ((e1->start[i] == e2->start[j]) &&
          (e1->length[i] == e2->length[j])) {
        found = 1;
        break;
      }
    }
    if (found != 1) {
      OSL_info("extbody are not the same");
      return 0;
    }
  }

  return osl_body_equal(e1->body, e2->body);
}


osl_interface_p osl_extbody_interface() {
  osl_interface_p interface = osl_interface_malloc();

  OSL_strdup(interface->URI, OSL_URI_EXTBODY);
  interface->idump  = (osl_idump_f)osl_extbody_idump;
  interface->sprint = (osl_sprint_f)osl_extbody_sprint;
  interface->sread  = (osl_sread_f)osl_extbody_sread;
  interface->malloc = (osl_malloc_f)osl_extbody_malloc;
  interface->free   = (osl_free_f)osl_extbody_free;
  interface->clone  = (osl_clone_f)osl_extbody_clone;
  interface->equal  = (osl_equal_f)osl_extbody_equal;

  return interface;
}


void osl_extbody_add(osl_extbody_p ebody, int start, int length) {
  ebody->nb_access++;

  OSL_realloc(ebody->start, int*, sizeof(int) * ebody->nb_access);
  OSL_realloc(ebody->length, int*, sizeof(int) * ebody->nb_access);

  ebody->start[ebody->nb_access-1] = start;
  ebody->length[ebody->nb_access-1] = length;
}