/**
* osl_loop_sread function:
* this function reads a loop structure from a string complying to the
* OpenScop textual format and returns a pointer to this loop structure.
* The input parameter is updated to the position in the input string this
* function reaches right after reading the comment structure.
*
* \param[in,out] input The input string where to find an loop structure.
* Updated to the position after what has been read.
* \return A pointer to the loop structure that has been read.
*/
osl_loop_p osl_loop_sread(char **input) {
size_t i;
int nb_loops;
osl_loop_p head;
osl_loop_p loop;
if (input == NULL) {
OSL_debug("no loop optional tag");
return NULL;
}
// Find the number of names provided.
nb_loops = osl_util_read_int(NULL, input);
if(nb_loops == 0)
return NULL;
// Allocate the array of id and names.
head = loop = osl_loop_malloc();
while (nb_loops != 0) {
loop->iter = osl_util_read_string(NULL, input);
loop->nb_stmts = (size_t)osl_util_read_int(NULL, input);
OSL_malloc(loop->stmt_ids, int *, loop->nb_stmts * sizeof(int));
for (i = 0; i < loop->nb_stmts; i++)
loop->stmt_ids[i] = osl_util_read_int(NULL, input);
loop->private_vars = osl_util_read_line(NULL, input);
if (!strcmp(loop->private_vars, "(null)")) {
free(loop->private_vars);
loop->private_vars=NULL;
}
loop->directive = osl_util_read_int(NULL, input);
// special case for OSL_LOOP_DIRECTIVE_USER
if (loop->directive & OSL_LOOP_DIRECTIVE_USER) {
loop->user = osl_util_read_line(NULL, input);
if (!strcmp(loop->user, "(null)")) {
free(loop->user);
loop->user=NULL;
}
}
nb_loops--;
if (nb_loops != 0) {
loop->next = osl_loop_malloc ();
loop = loop->next;
}
}
return head;
}
/**
* osl_dependence_read_one_dep function:
* Read one dependence from a string.
*/
static
osl_dependence_p osl_dependence_read_one_dep(char **input, int precision) {
osl_dependence_p dep = osl_dependence_malloc();
char *buffer;
/* Dependence type */
buffer = osl_util_read_string(NULL, input);
if (! strcmp(buffer, "RAW"))
dep->type = OSL_DEPENDENCE_RAW;
else if (! strcmp(buffer, "RAR"))
dep->type = OSL_DEPENDENCE_RAR;
else if (! strcmp(buffer, "WAR"))
dep->type = OSL_DEPENDENCE_WAR;
else if (! strcmp(buffer, "WAW"))
dep->type = OSL_DEPENDENCE_WAW;
else if (! strcmp(buffer, "RAW_SCALPRIV"))
dep->type = OSL_DEPENDENCE_RAW_SCALPRIV;
free(buffer);
/* # From source statement xxx */
dep->label_source = osl_util_read_int(NULL, input);
/* # To target statement xxx */
dep->label_target = osl_util_read_int(NULL, input);
/* # Depth */
dep->depth = osl_util_read_int(NULL, input);
/* # From source access ref */
dep->ref_source = osl_util_read_int(NULL, input);
/* # To target access ref */
dep->ref_target = osl_util_read_int(NULL, input);
/* Read the osl_relation */
dep->domain = osl_relation_psread(input, precision);
return dep;
}