blob: 12c81e1dedbf5ac25409cd1b11f6d92836861623 [file] [log] [blame]
/*+-----------------------------------------------------------------**
** OpenScop Library **
**-----------------------------------------------------------------**
** extensions/comment.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 <osl/macros.h>
#include <osl/util.h>
#include <osl/interface.h>
#include <osl/extensions/comment.h>
/*+***************************************************************************
* Structure display function *
*****************************************************************************/
/**
* osl_comment_idump function:
* this function displays an osl_comment_t structure (*comment) into a
* file (file, possibly stdout) in a way that trends to be understandable. It
* includes an indentation level (level) in order to work with others
* idump functions.
* \param[in] file The file where the information has to be printed.
* \param[in] comment The comment structure to print.
* \param[in] level Number of spaces before printing, for each line.
*/
void osl_comment_idump(FILE * file, osl_comment_p comment, int level) {
int j;
char * tmp;
// Go to the right level.
for (j = 0; j < level; j++)
fprintf(file, "|\t");
if (comment != NULL)
fprintf(file, "+-- osl_comment_t\n");
else
fprintf(file, "+-- NULL comment\n");
if (comment != NULL) {
// Go to the right level.
for(j = 0; j <= level; j++)
fprintf(file, "|\t");
// Display the comment message (without any carriage return).
tmp = strdup(comment->comment);
for (j = 0; j < strlen(tmp); j++)
if (tmp[j] == '\n')
tmp[j] = ' ';
fprintf(file, "comment: %s\n", tmp);
free(tmp);
}
// The last line.
for (j = 0; j <= level; j++)
fprintf(file, "|\t");
fprintf(file, "\n");
}
/**
* osl_comment_dump function:
* this function prints the content of an osl_comment_t structure
* (*comment) into a file (file, possibly stdout).
* \param[in] file The file where the information has to be printed.
* \param[in] comment The comment structure to print.
*/
void osl_comment_dump(FILE * file, osl_comment_p comment) {
osl_comment_idump(file, comment, 0);
}
/**
* osl_comment_sprint function:
* this function prints the content of an osl_comment_t structure
* (*comment) into a string (returned) in the OpenScop textual format.
* \param[in] comment The comment structure to print.
* \return A string containing the OpenScop dump of the comment structure.
*/
char * osl_comment_sprint(osl_comment_p comment) {
int high_water_mark = OSL_MAX_STRING;
char * string = NULL;
char * buffer;
if (comment != NULL) {
OSL_malloc(string, char *, high_water_mark * sizeof(char));
OSL_malloc(buffer, char *, OSL_MAX_STRING * sizeof(char));
string[0] = '\0';
// Print the comment.
sprintf(buffer, "%s", comment->comment);
osl_util_safe_strcat(&string, buffer, &high_water_mark);
// Keep only the memory space we need.
OSL_realloc(string, char *, (strlen(string) + 1) * sizeof(char));
free(buffer);
}
return string;
}
/*****************************************************************************
* Reading function *
*****************************************************************************/
/**
* osl_comment_sread function:
* this function reads a comment structure from a string complying to the
* OpenScop textual format and returns a pointer to this comment structure.
* The input parameter is updated to the position in the input string this
* function reach right after reading the comment structure.
* \param[in,out] input The input string where to find a comment.
* Updated to the position after what has been read.
* \return A pointer to the comment structure that has been read.
*/
osl_comment_p osl_comment_sread(char ** input) {
osl_comment_p comment;
if (*input == NULL) {
OSL_debug("no comment optional tag");
return NULL;
}
if (strlen(*input) > OSL_MAX_STRING)
OSL_error("comment too long");
// Build the comment structure
comment = osl_comment_malloc();
OSL_strdup(comment->comment, *input);
// Update the input pointer (everything has been read).
input += strlen(*input);
return comment;
}
/*+***************************************************************************
* Memory allocation/deallocation function *
*****************************************************************************/
/**
* osl_comment_malloc function:
* this function allocates the memory space for an osl_comment_t
* structure and sets its fields with default values. Then it returns a
* pointer to the allocated space.
* \return A pointer to an empty comment structure with fields set to
* default values.
*/
osl_comment_p osl_comment_malloc() {
osl_comment_p comment;
OSL_malloc(comment, osl_comment_p, sizeof(osl_comment_t));
comment->comment = NULL;
return comment;
}
/**
* osl_comment_free function:
* this function frees the allocated memory for an osl_comment_t
* structure.
* \param[in,out] comment The pointer to the comment structure to free.
*/
void osl_comment_free(osl_comment_p comment) {
if (comment != NULL) {
if(comment->comment != NULL)
free(comment->comment);
free(comment);
}
}
/*+***************************************************************************
* Processing functions *
*****************************************************************************/
/**
* osl_comment_clone function:
* this function builds and returns a "hard copy" (not a pointer copy) of an
* osl_comment_t data structure.
* \param[in] comment The pointer to the comment structure to clone.
* \return A pointer to the clone of the comment structure.
*/
osl_comment_p osl_comment_clone(osl_comment_p comment) {
osl_comment_p clone;
if (comment == NULL)
return NULL;
clone = osl_comment_malloc();
OSL_strdup(clone->comment, comment->comment);
return clone;
}
/**
* osl_comment_equal function:
* this function returns true if the two comment structures are the same
* (content-wise), false otherwise.
* \param[in] c1 The first comment structure.
* \param[in] c2 The second comment structure.
* \return 1 if c1 and c2 are the same (content-wise), 0 otherwise.
*/
int osl_comment_equal(osl_comment_p c1, osl_comment_p c2) {
if (c1 == c2)
return 1;
if (((c1 == NULL) && (c2 != NULL)) || ((c1 != NULL) && (c2 == NULL)))
return 0;
if (strcmp(c1->comment, c2->comment))
return 0;
return 1;
}
/**
* osl_comment_interface function:
* this function creates an interface structure corresponding to the comment
* extension and returns it).
* \return An interface structure for the comment extension.
*/
osl_interface_p osl_comment_interface() {
osl_interface_p interface = osl_interface_malloc();
interface->URI = strdup(OSL_URI_COMMENT);
interface->idump = (osl_idump_f)osl_comment_idump;
interface->sprint = (osl_sprint_f)osl_comment_sprint;
interface->sread = (osl_sread_f)osl_comment_sread;
interface->malloc = (osl_malloc_f)osl_comment_malloc;
interface->free = (osl_free_f)osl_comment_free;
interface->clone = (osl_clone_f)osl_comment_clone;
interface->equal = (osl_equal_f)osl_comment_equal;
return interface;
}