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* these are dependencies for gcc 4 Graphite engine build. * CLooG 0.18.0 includes ISL 0.11.1 which is the backend that the build script enables. * PPL is needed by GCC build even if it isn't the chosen backend.
378 lines
14 KiB
C
378 lines
14 KiB
C
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/*+-----------------------------------------------------------------**
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** OpenScop Library **
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**-----------------------------------------------------------------**
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** body.c **
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**-----------------------------------------------------------------**
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** First version: 25/06/2011 **
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**-----------------------------------------------------------------**
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*****************************************************************************
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* OpenScop: Structures and formats for polyhedral tools to talk together *
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*****************************************************************************
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* ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__, *
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* / / / // // // // / / / // // / / // / /|,_, *
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* / / / // // // // / / / // // / / // / / / /\ *
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* |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/ \ *
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* | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\ \ /\ *
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* | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\ *
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* | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \ \ *
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* | P |n| l | = | s | t |=| = |d| = | = | = | | |=| o | | \# \ \ *
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* | H | | y | | e | o | | = |l| | | = | | | | G | | \ \ \ *
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* | I | | | | e | | | | | | | | | | | | | \ \ \ *
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* | T | | | | | | | | | | | | | | | | | \ \ \ *
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* | E | | | | | | | | | | | | | | | | | \ \ \ *
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* | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | / \* \ \ *
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* | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/ \ \ / *
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* '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---' '--' *
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* *
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* Copyright (C) 2008 University Paris-Sud 11 and INRIA *
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* *
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* (3-clause BSD license) *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* 3. The name of the author may not be used to endorse or promote products *
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* derived from this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR *
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, *
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT *
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF *
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* OpenScop Library, a library to manipulate OpenScop formats and data *
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* structures. Written by: *
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* Cedric Bastoul <Cedric.Bastoul@u-psud.fr> and *
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* Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr> *
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* *
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*****************************************************************************/
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# include <stdlib.h>
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# include <stdio.h>
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# include <string.h>
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# include <ctype.h>
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# include <osl/macros.h>
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# include <osl/util.h>
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# include <osl/strings.h>
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# include <osl/interface.h>
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# include <osl/body.h>
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/*+***************************************************************************
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* Structure display functions *
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*****************************************************************************/
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/**
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* osl_body_idump function:
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* this function displays an osl_body_t structure (*body) into a
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* file (file, possibly stdout) in a way that trends to be understandable.
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* It includes an indentation level (level) in order to work with others
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* dumping functions.
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* \param[in] file File where informations are printed.
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* \param[in] body The body whose information has to be printed.
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* \param[in] level Number of spaces before printing, for each line.
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*/
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void osl_body_idump(FILE * file, osl_body_p body, int level) {
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int j;
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// Go to the right level.
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for (j = 0; j < level; j++)
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fprintf(file, "|\t");
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if (body != NULL) {
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fprintf(file, "+-- osl_body_t\n");
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// A blank line.
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for (j = 0; j <= level+1; j++)
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fprintf(file, "|\t");
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fprintf(file, "\n");
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// Print the iterators
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osl_strings_idump(file, body->iterators, level + 1);
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// Print the original body expression.
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osl_strings_idump(file, body->expression, level + 1);
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}
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else {
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fprintf(file, "+-- NULL body\n");
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}
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// The last line.
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for (j = 0; j <= level; j++)
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fprintf(file, "|\t");
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fprintf(file, "\n");
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}
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/**
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* osl_body_dump function:
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* this function prints the content of an osl_body_t structure
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* (*body) into a file (file, possibly stdout).
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* \param[in] file File where informations are printed.
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* \param[in] body The body whose information has to be printed.
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*/
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void osl_body_dump(FILE * file, osl_body_p body) {
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osl_body_idump(file, body, 0);
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}
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/**
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* osl_body_print function:
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* this function prints the content of an osl_body_t structure
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* (*body) into a file (file, possibly stdout) in the OpenScop format.
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* \param[in] file File where informations are printed.
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* \param[in] body The body whose information has to be printed.
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*/
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void osl_body_print(FILE * file, osl_body_p body) {
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int nb_iterators;
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if (body != NULL) {
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nb_iterators = osl_strings_size(body->iterators);
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fprintf(file, "# Number of original iterators\n");
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fprintf(file, "%d\n", nb_iterators);
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if (nb_iterators > 0) {
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fprintf(file, "\n# List of original iterators\n");
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osl_strings_print(file, body->iterators);
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}
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fprintf(file, "\n# Statement body expression\n");
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osl_strings_print(file, body->expression);
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}
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else {
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fprintf(file, "# NULL statement body\n");
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}
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}
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/**
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* osl_body_sprint function:
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* this function prints the content of an osl_body_t structure
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* (*body) into a string (returned) in the OpenScop textual format.
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* \param[in] body The body structure which has to be printed.
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* \return A string containing the OpenScop dump of the body structure.
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*/
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char * osl_body_sprint(osl_body_p body) {
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int nb_iterators;
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int high_water_mark = OSL_MAX_STRING;
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char * string = NULL;
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char buffer[OSL_MAX_STRING];
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char * iterators, * expression;
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OSL_malloc(string, char *, high_water_mark * sizeof(char));
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string[0] = '\0';
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if (body != NULL) {
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nb_iterators = osl_strings_size(body->iterators);
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sprintf(buffer, "# Number of original iterators\n%d\n", nb_iterators);
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osl_util_safe_strcat(&string, buffer, &high_water_mark);
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if (nb_iterators > 0) {
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sprintf(buffer, "# List of original iterators\n");
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osl_util_safe_strcat(&string, buffer, &high_water_mark);
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iterators = osl_strings_sprint(body->iterators);
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osl_util_safe_strcat(&string, iterators, &high_water_mark);
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free(iterators);
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}
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sprintf(buffer, "# Statement body expression\n");
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osl_util_safe_strcat(&string, buffer, &high_water_mark);
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expression = osl_strings_sprint(body->expression);
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osl_util_safe_strcat(&string, expression, &high_water_mark);
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free(expression);
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}
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else {
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sprintf(buffer, "# NULL body\n");
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osl_util_safe_strcat(&string, buffer, &high_water_mark);
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}
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return string;
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}
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/*****************************************************************************
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* Reading function *
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*****************************************************************************/
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/**
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* osl_body_read function:
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* this function reads a body structure from a string complying to the
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* OpenScop textual format and returns a pointer to this body structure.
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* The input string should only contain the body this function
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* has to read (comments at the end of the line are accepted). The input
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* parameter is updated to the position in the input string this function
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* reach right after reading the strings structure.
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* \param[in,out] input The input string where to find a body structure.
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* Updated to the position after what has been read.
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* \return A pointer to the body structure that has been read.
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*/
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osl_body_p osl_body_sread(char ** input) {
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osl_body_p body = NULL;
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char * expression;
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int nb_iterators;
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if (input) {
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body = osl_body_malloc();
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// Read the number of iterators.
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nb_iterators = osl_util_read_int(NULL, input);
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// Read the iterator strings if any.
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if (nb_iterators > 0) {
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body->iterators = osl_strings_sread(input);
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}
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else {
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body->iterators = osl_strings_malloc();
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OSL_malloc(body->iterators->string, char **, sizeof(char *));
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body->iterators->string[0] = NULL;
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}
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// Read the body:
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expression = osl_util_read_line(NULL, input);
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// Insert the body.
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body->expression = osl_strings_encapsulate(expression);
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}
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return body;
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}
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/*+***************************************************************************
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* Memory allocation/deallocation functions *
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*****************************************************************************/
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/**
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* osl_body_malloc function:
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* this function allocates the memory space for an osl_body_t
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* structure and sets its fields with default values. Then it returns a pointer
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* to the allocated space.
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* \return A pointer to an empty body with fields set to default values.
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*/
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osl_body_p osl_body_malloc() {
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osl_body_p body;
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OSL_malloc(body, osl_body_p, sizeof(osl_body_t));
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body->iterators = NULL;
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body->expression = NULL;
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return body;
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}
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/**
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* osl_body_free function:
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* this function frees the allocated memory for an osl_body_t
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* structure.
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* \param[in,out] body The pointer to the body we want to free.
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*/
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void osl_body_free(osl_body_p body) {
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if (body != NULL) {
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osl_strings_free(body->iterators);
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osl_strings_free(body->expression);
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free(body);
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}
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}
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/*+***************************************************************************
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* Processing functions *
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*****************************************************************************/
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/**
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* osl_body_clone function:
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* this functions builds and returns a "hard copy" (not a pointer copy) of an
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* osl_body_t data structure provided as parameter. However, let us
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* recall here that non-string elements are untouched by the OpenScop Library.
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* \param[in] body The pointer to the body we want to copy.
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* \return A pointer to the full copy of the body provided as parameter.
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*/
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osl_body_p osl_body_clone(osl_body_p body) {
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osl_body_p copy = NULL;
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if (body != NULL) {
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copy = osl_body_malloc();
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copy->iterators = osl_strings_clone(body->iterators);
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copy->expression = osl_strings_clone(body->expression);
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}
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return copy;
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}
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/**
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* osl_body_equal function:
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* this function returns true if the two bodies are the same, false
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* otherwise (the usr field is not tested). However, let us
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* recall here that non-string elements are untouched by the OpenScop Library.
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* \param[in] b1 The first body.
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* \param[in] b2 The second body.
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* \return 1 if b1 and b2 are the same (content-wise), 0 otherwise.
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*/
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int osl_body_equal(osl_body_p b1, osl_body_p b2) {
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if (b1 == b2)
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return 1;
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if (((b1 != NULL) && (b2 == NULL)) ||
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((b1 == NULL) && (b2 != NULL))) {
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OSL_info("bodies are not the same");
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return 0;
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}
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if (!osl_strings_equal(b1->iterators, b2->iterators)) {
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OSL_info("body iterators are not the same");
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return 0;
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}
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if (!osl_strings_equal(b1->expression, b2->expression)) {
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OSL_info("body expressions are not the same");
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return 0;
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}
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return 1;
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}
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/**
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* osl_body_interface function:
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* this function creates an interface structure corresponding to the body
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* structure and returns it).
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* \return An interface structure for the body structure.
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*/
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osl_interface_p osl_body_interface() {
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osl_interface_p interface = osl_interface_malloc();
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interface->URI = strdup(OSL_URI_BODY);
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interface->idump = (osl_idump_f)osl_body_idump;
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interface->sprint = (osl_sprint_f)osl_body_sprint;
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interface->sread = (osl_sread_f)osl_body_sread;
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interface->malloc = (osl_malloc_f)osl_body_malloc;
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interface->free = (osl_free_f)osl_body_free;
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interface->clone = (osl_clone_f)osl_body_clone;
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interface->equal = (osl_equal_f)osl_body_equal;
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return interface;
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}
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