void
gfc_free_statement (gfc_code *p)
{
if (p->expr1)
gfc_free_expr (p->expr1);
if (p->expr2)
gfc_free_expr (p->expr2);
switch (p->op)
{
case EXEC_NOP:
case EXEC_END_BLOCK:
case EXEC_END_NESTED_BLOCK:
case EXEC_ASSIGN:
case EXEC_INIT_ASSIGN:
case EXEC_GOTO:
case EXEC_CYCLE:
case EXEC_RETURN:
case EXEC_END_PROCEDURE:
case EXEC_IF:
case EXEC_PAUSE:
case EXEC_STOP:
case EXEC_ERROR_STOP:
case EXEC_EXIT:
case EXEC_WHERE:
case EXEC_IOLENGTH:
case EXEC_POINTER_ASSIGN:
case EXEC_DO_WHILE:
case EXEC_CONTINUE:
case EXEC_TRANSFER:
case EXEC_LABEL_ASSIGN:
case EXEC_ENTRY:
case EXEC_ARITHMETIC_IF:
case EXEC_CRITICAL:
case EXEC_SYNC_ALL:
case EXEC_SYNC_IMAGES:
case EXEC_SYNC_MEMORY:
case EXEC_LOCK:
case EXEC_UNLOCK:
break;
case EXEC_BLOCK:
gfc_free_namespace (p->ext.block.ns);
gfc_free_association_list (p->ext.block.assoc);
break;
case EXEC_COMPCALL:
case EXEC_CALL_PPC:
case EXEC_CALL:
case EXEC_ASSIGN_CALL:
gfc_free_actual_arglist (p->ext.actual);
break;
case EXEC_SELECT:
case EXEC_SELECT_TYPE:
if (p->ext.block.case_list)
gfc_free_case_list (p->ext.block.case_list);
break;
case EXEC_DO:
gfc_free_iterator (p->ext.iterator, 1);
break;
case EXEC_ALLOCATE:
case EXEC_DEALLOCATE:
gfc_free_alloc_list (p->ext.alloc.list);
break;
case EXEC_OPEN:
gfc_free_open (p->ext.open);
break;
case EXEC_CLOSE:
gfc_free_close (p->ext.close);
break;
case EXEC_BACKSPACE:
case EXEC_ENDFILE:
case EXEC_REWIND:
case EXEC_FLUSH:
gfc_free_filepos (p->ext.filepos);
break;
case EXEC_INQUIRE:
gfc_free_inquire (p->ext.inquire);
break;
case EXEC_WAIT:
gfc_free_wait (p->ext.wait);
break;
case EXEC_READ:
case EXEC_WRITE:
gfc_free_dt (p->ext.dt);
break;
case EXEC_DT_END:
/* The ext.dt member is a duplicate pointer and doesn't need to
be freed. */
break;
case EXEC_DO_CONCURRENT:
case EXEC_FORALL:
gfc_free_forall_iterator (p->ext.forall_iterator);
break;
case EXEC_OMP_CANCEL:
case EXEC_OMP_CANCELLATION_POINT:
case EXEC_OMP_DISTRIBUTE:
case EXEC_OMP_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_DISTRIBUTE_SIMD:
case EXEC_OMP_DO:
case EXEC_OMP_DO_SIMD:
case EXEC_OMP_END_SINGLE:
case EXEC_OMP_PARALLEL:
case EXEC_OMP_PARALLEL_DO:
case EXEC_OMP_PARALLEL_DO_SIMD:
case EXEC_OMP_PARALLEL_SECTIONS:
case EXEC_OMP_SECTIONS:
case EXEC_OMP_SIMD:
case EXEC_OMP_SINGLE:
case EXEC_OMP_TARGET:
case EXEC_OMP_TARGET_DATA:
case EXEC_OMP_TARGET_TEAMS:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD:
case EXEC_OMP_TARGET_UPDATE:
case EXEC_OMP_TASK:
case EXEC_OMP_TEAMS:
case EXEC_OMP_TEAMS_DISTRIBUTE:
case EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO:
case EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD:
case EXEC_OMP_TEAMS_DISTRIBUTE_SIMD:
case EXEC_OMP_WORKSHARE:
case EXEC_OMP_PARALLEL_WORKSHARE:
gfc_free_omp_clauses (p->ext.omp_clauses);
break;
case EXEC_OMP_CRITICAL:
free (CONST_CAST (char *, p->ext.omp_name));
break;
case EXEC_OMP_FLUSH:
gfc_free_omp_namelist (p->ext.omp_namelist);
break;
case EXEC_OMP_ATOMIC:
case EXEC_OMP_BARRIER:
case EXEC_OMP_MASTER:
case EXEC_OMP_ORDERED:
case EXEC_OMP_END_NOWAIT:
case EXEC_OMP_TASKGROUP:
case EXEC_OMP_TASKWAIT:
case EXEC_OMP_TASKYIELD:
break;
default:
gfc_internal_error ("gfc_free_statement(): Bad statement");
}
}
static match
gfc_match_omp_clauses (gfc_omp_clauses **cp, int mask)
{
gfc_omp_clauses *c = gfc_get_omp_clauses ();
locus old_loc;
bool needs_space = true, first = true;
*cp = NULL;
while (1)
{
if ((first || gfc_match_char (',') != MATCH_YES)
&& (needs_space && gfc_match_space () != MATCH_YES))
break;
needs_space = false;
first = false;
gfc_gobble_whitespace ();
if ((mask & OMP_CLAUSE_IF) && c->if_expr == NULL
&& gfc_match ("if ( %e )", &c->if_expr) == MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_NUM_THREADS) && c->num_threads == NULL
&& gfc_match ("num_threads ( %e )", &c->num_threads) == MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_PRIVATE)
&& gfc_match_omp_variable_list ("private (",
&c->lists[OMP_LIST_PRIVATE], true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_FIRSTPRIVATE)
&& gfc_match_omp_variable_list ("firstprivate (",
&c->lists[OMP_LIST_FIRSTPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_LASTPRIVATE)
&& gfc_match_omp_variable_list ("lastprivate (",
&c->lists[OMP_LIST_LASTPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_COPYPRIVATE)
&& gfc_match_omp_variable_list ("copyprivate (",
&c->lists[OMP_LIST_COPYPRIVATE],
true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_SHARED)
&& gfc_match_omp_variable_list ("shared (",
&c->lists[OMP_LIST_SHARED], true)
== MATCH_YES)
continue;
if ((mask & OMP_CLAUSE_COPYIN)
&& gfc_match_omp_variable_list ("copyin (",
&c->lists[OMP_LIST_COPYIN], true)
== MATCH_YES)
continue;
old_loc = gfc_current_locus;
if ((mask & OMP_CLAUSE_REDUCTION)
&& gfc_match ("reduction ( ") == MATCH_YES)
{
int reduction = OMP_LIST_NUM;
char buffer[GFC_MAX_SYMBOL_LEN + 1];
if (gfc_match_char ('+') == MATCH_YES)
reduction = OMP_LIST_PLUS;
else if (gfc_match_char ('*') == MATCH_YES)
reduction = OMP_LIST_MULT;
else if (gfc_match_char ('-') == MATCH_YES)
reduction = OMP_LIST_SUB;
else if (gfc_match (".and.") == MATCH_YES)
reduction = OMP_LIST_AND;
else if (gfc_match (".or.") == MATCH_YES)
reduction = OMP_LIST_OR;
else if (gfc_match (".eqv.") == MATCH_YES)
reduction = OMP_LIST_EQV;
else if (gfc_match (".neqv.") == MATCH_YES)
reduction = OMP_LIST_NEQV;
else if (gfc_match_name (buffer) == MATCH_YES)
{
gfc_symbol *sym;
const char *n = buffer;
gfc_find_symbol (buffer, NULL, 1, &sym);
if (sym != NULL)
{
if (sym->attr.intrinsic)
n = sym->name;
else if ((sym->attr.flavor != FL_UNKNOWN
&& sym->attr.flavor != FL_PROCEDURE)
|| sym->attr.external
|| sym->attr.generic
|| sym->attr.entry
|| sym->attr.result
|| sym->attr.dummy
|| sym->attr.subroutine
|| sym->attr.pointer
|| sym->attr.target
|| sym->attr.cray_pointer
|| sym->attr.cray_pointee
|| (sym->attr.proc != PROC_UNKNOWN
&& sym->attr.proc != PROC_INTRINSIC)
|| sym->attr.if_source != IFSRC_UNKNOWN
|| sym == sym->ns->proc_name)
{
gfc_error_now ("%s is not INTRINSIC procedure name "
"at %C", buffer);
sym = NULL;
}
else
n = sym->name;
}
if (strcmp (n, "max") == 0)
reduction = OMP_LIST_MAX;
else if (strcmp (n, "min") == 0)
reduction = OMP_LIST_MIN;
else if (strcmp (n, "iand") == 0)
reduction = OMP_LIST_IAND;
else if (strcmp (n, "ior") == 0)
reduction = OMP_LIST_IOR;
else if (strcmp (n, "ieor") == 0)
reduction = OMP_LIST_IEOR;
if (reduction != OMP_LIST_NUM
&& sym != NULL
&& ! sym->attr.intrinsic
&& ! sym->attr.use_assoc
&& ((sym->attr.flavor == FL_UNKNOWN
&& gfc_add_flavor (&sym->attr, FL_PROCEDURE,
sym->name, NULL) == FAILURE)
|| gfc_add_intrinsic (&sym->attr, NULL) == FAILURE))
{
gfc_free_omp_clauses (c);
return MATCH_ERROR;
}
}
if (reduction != OMP_LIST_NUM
&& gfc_match_omp_variable_list (" :", &c->lists[reduction],
false)
== MATCH_YES)
continue;
else
gfc_current_locus = old_loc;
}
if ((mask & OMP_CLAUSE_DEFAULT)
&& c->default_sharing == OMP_DEFAULT_UNKNOWN)
{
if (gfc_match ("default ( shared )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_SHARED;
else if (gfc_match ("default ( private )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_PRIVATE;
else if (gfc_match ("default ( none )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_NONE;
else if (gfc_match ("default ( firstprivate )") == MATCH_YES)
c->default_sharing = OMP_DEFAULT_FIRSTPRIVATE;
if (c->default_sharing != OMP_DEFAULT_UNKNOWN)
continue;
}
old_loc = gfc_current_locus;
if ((mask & OMP_CLAUSE_SCHEDULE)
&& c->sched_kind == OMP_SCHED_NONE
&& gfc_match ("schedule ( ") == MATCH_YES)
{
if (gfc_match ("static") == MATCH_YES)
c->sched_kind = OMP_SCHED_STATIC;
else if (gfc_match ("dynamic") == MATCH_YES)
c->sched_kind = OMP_SCHED_DYNAMIC;
else if (gfc_match ("guided") == MATCH_YES)
c->sched_kind = OMP_SCHED_GUIDED;
else if (gfc_match ("runtime") == MATCH_YES)
c->sched_kind = OMP_SCHED_RUNTIME;
else if (gfc_match ("auto") == MATCH_YES)
c->sched_kind = OMP_SCHED_AUTO;
if (c->sched_kind != OMP_SCHED_NONE)
{
match m = MATCH_NO;
if (c->sched_kind != OMP_SCHED_RUNTIME
&& c->sched_kind != OMP_SCHED_AUTO)
m = gfc_match (" , %e )", &c->chunk_size);
if (m != MATCH_YES)
m = gfc_match_char (')');
if (m != MATCH_YES)
c->sched_kind = OMP_SCHED_NONE;
}
if (c->sched_kind != OMP_SCHED_NONE)
continue;
else
gfc_current_locus = old_loc;
}
if ((mask & OMP_CLAUSE_ORDERED) && !c->ordered
&& gfc_match ("ordered") == MATCH_YES)
{
c->ordered = needs_space = true;
continue;
}
if ((mask & OMP_CLAUSE_UNTIED) && !c->untied
&& gfc_match ("untied") == MATCH_YES)
{
c->untied = needs_space = true;
continue;
}
if ((mask & OMP_CLAUSE_COLLAPSE) && !c->collapse)
{
gfc_expr *cexpr = NULL;
match m = gfc_match ("collapse ( %e )", &cexpr);
if (m == MATCH_YES)
{
int collapse;
const char *p = gfc_extract_int (cexpr, &collapse);
if (p)
{
gfc_error_now (p);
collapse = 1;
}
else if (collapse <= 0)
{
gfc_error_now ("COLLAPSE clause argument not"
" constant positive integer at %C");
collapse = 1;
}
c->collapse = collapse;
gfc_free_expr (cexpr);
continue;
}
}
break;
}
if (gfc_match_omp_eos () != MATCH_YES)
{
gfc_free_omp_clauses (c);
return MATCH_ERROR;
}
*cp = c;
return MATCH_YES;
}