re PR fortran/18918 (Eventually support Fortran 2008's coarrays [co-arrays])

2010-05-02  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * intrinsic.c (add_functions): Fix GFC_STD and add gfc_resolve_*
        calls for lcobound, ucobound, image_index and this_image.
        * intrinsic.h (gfc_resolve_lcobound, gfc_resolve_this_image,
        gfc_resolve_image_index, gfc_resolve_ucobound): New prototypes.
        * iresolve.c (gfc_resolve_lcobound, gfc_resolve_this_image,
        gfc_resolve_image_index, gfc_resolve_ucobound, resolve_bound): New
        functions.
        (gfc_resolve_lbound, gfc_resolve_ubound): Use resolve_bound.

From-SVN: r158974

gcc/fortran/ChangeLog

-2010-04-30  Tobias Burnus  Mburnus@net-b.de>
+2010-05-02  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/18918
+	* intrinsic.c (add_functions): Fix GFC_STD and add gfc_resolve_ calls
+	for lcobound, ucobound, image_index and this_image.
+	* intrinsic.h (gfc_resolve_lcobound, gfc_resolve_this_image,
+	gfc_resolve_image_index, gfc_resolve_ucobound): New prototypes.
+	* iresolve.c (gfc_resolve_lcobound, gfc_resolve_this_image,
+	gfc_resolve_image_index, gfc_resolve_ucobound, resolve_bound): New
+	functions.
+	(gfc_resolve_lbound, gfc_resolve_ubound): Use resolve_bound.
+
+2010-04-30  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/18918
 	PR fortran/43931

gcc/fortran/intrinsic.c

@@ -1786,7 +1786,7 @@ add_functions (void)
   make_generic ("ierrno", GFC_ISYM_IERRNO, GFC_STD_GNU);
 
   add_sym_2 ("image_index", GFC_ISYM_IMAGE_INDEX, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
-	     gfc_check_image_index, gfc_simplify_image_index, NULL,
+	     gfc_check_image_index, gfc_simplify_image_index, gfc_resolve_image_index,
 	     ca, BT_REAL, dr, REQUIRED, sub, BT_INTEGER, ii, REQUIRED);
 
   /* The resolution function for INDEX is called gfc_resolve_index_func
@@ -1925,12 +1925,12 @@ add_functions (void)
   make_generic ("lbound", GFC_ISYM_LBOUND, GFC_STD_F95);
 
   add_sym_3 ("lcobound", GFC_ISYM_LCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
-	     BT_INTEGER, di, GFC_STD_F95,
-	     gfc_check_lcobound, gfc_simplify_lcobound, NULL,
+	     BT_INTEGER, di, GFC_STD_F2008,
+	     gfc_check_lcobound, gfc_simplify_lcobound, gfc_resolve_lcobound,
 	     ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
 	     kind, BT_INTEGER, di, OPTIONAL);
 
-  make_generic ("lcobound", GFC_ISYM_LCOBOUND, GFC_STD_F95);
+  make_generic ("lcobound", GFC_ISYM_LCOBOUND, GFC_STD_F2008);
 
   add_sym_1 ("leadz", GFC_ISYM_LEADZ, CLASS_ELEMENTAL, ACTUAL_NO,
 	     BT_INTEGER, di, GFC_STD_F2008,
@@ -2540,7 +2540,7 @@ add_functions (void)
   make_generic ("tanh", GFC_ISYM_TANH, GFC_STD_F77);
 
   add_sym_2 ("this_image", GFC_ISYM_THIS_IMAGE, CLASS_INQUIRY, ACTUAL_NO, BT_INTEGER, di, GFC_STD_F2008,
-	     gfc_check_this_image, gfc_simplify_this_image, NULL,
+	     gfc_check_this_image, gfc_simplify_this_image, gfc_resolve_this_image,
 	     ca, BT_REAL, dr, OPTIONAL, dm, BT_INTEGER, ii, OPTIONAL);
 
   add_sym_0 ("time", GFC_ISYM_TIME, NO_CLASS, ACTUAL_NO, BT_INTEGER, di, GFC_STD_GNU, 
@@ -2600,12 +2600,12 @@ add_functions (void)
   make_generic ("ubound", GFC_ISYM_UBOUND, GFC_STD_F95);
 
   add_sym_3 ("ucobound", GFC_ISYM_UCOBOUND, CLASS_INQUIRY, ACTUAL_NO,
-            BT_INTEGER, di, GFC_STD_F95,
-            gfc_check_ucobound, gfc_simplify_ucobound, NULL,
+            BT_INTEGER, di, GFC_STD_F2008,
+            gfc_check_ucobound, gfc_simplify_ucobound, gfc_resolve_ucobound,
             ca, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
             kind, BT_INTEGER, di, OPTIONAL);
 
-  make_generic ("ucobound", GFC_ISYM_UCOBOUND, GFC_STD_F95);
+  make_generic ("ucobound", GFC_ISYM_UCOBOUND, GFC_STD_F2008);
 
   /* g77 compatibility for UMASK.  */
   add_sym_1 ("umask", GFC_ISYM_UMASK, NO_CLASS, ACTUAL_NO, BT_INTEGER, di,

gcc/fortran/intrinsic.h

@@ -422,6 +422,7 @@ void gfc_resolve_iand (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_ibclr (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_ibits (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_ibset (gfc_expr *, gfc_expr *, gfc_expr *);
+void gfc_resolve_image_index (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_index_func (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *,
 			     gfc_expr *);
 void gfc_resolve_ierrno (gfc_expr *);
@@ -441,6 +442,7 @@ void gfc_resolve_ishft (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_ishftc (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_kill (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_lbound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
+void gfc_resolve_lcobound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_len (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_len_trim (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_lgamma (gfc_expr *, gfc_expr *);
@@ -498,6 +500,7 @@ void gfc_resolve_symlnk (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_system (gfc_expr *, gfc_expr *);
 void gfc_resolve_tan (gfc_expr *, gfc_expr *);
 void gfc_resolve_tanh (gfc_expr *, gfc_expr *);
+void gfc_resolve_this_image (gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_time (gfc_expr *);
 void gfc_resolve_time8 (gfc_expr *);
 void gfc_resolve_transfer (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
@@ -505,6 +508,7 @@ void gfc_resolve_transpose (gfc_expr *, gfc_expr *);
 void gfc_resolve_trim (gfc_expr *, gfc_expr *);
 void gfc_resolve_ttynam (gfc_expr *, gfc_expr *);
 void gfc_resolve_ubound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
+void gfc_resolve_ucobound (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);
 void gfc_resolve_umask (gfc_expr *, gfc_expr *);
 void gfc_resolve_unlink (gfc_expr *, gfc_expr *);
 void gfc_resolve_unpack (gfc_expr *, gfc_expr *, gfc_expr *, gfc_expr *);

gcc/fortran/iresolve.c

@@ -119,6 +119,27 @@ resolve_mask_arg (gfc_expr *mask)
     }
 }
 
+
+static void
+resolve_bound (gfc_expr *f, gfc_expr *array, gfc_expr *dim, gfc_expr *kind,
+	       const char *name)
+{
+  f->ts.type = BT_INTEGER;
+  if (kind)
+    f->ts.kind = mpz_get_si (kind->value.integer);
+  else
+    f->ts.kind = gfc_default_integer_kind;
+
+  if (dim == NULL)
+    {
+      f->rank = 1;
+      f->shape = gfc_get_shape (1);
+      mpz_init_set_ui (f->shape[0], array->rank);
+    }
+
+  f->value.function.name = xstrdup (name);
+}
+
 /********************** Resolution functions **********************/
 
 
@@ -1247,22 +1268,14 @@ gfc_resolve_kill (gfc_expr *f, gfc_expr *p ATTRIBUTE_UNUSED,
 void
 gfc_resolve_lbound (gfc_expr *f, gfc_expr *array, gfc_expr *dim, gfc_expr *kind)
 {
-  static char lbound[] = "__lbound";
+  resolve_bound (f, array, dim, kind, "__lbound");
+}
 
-  f->ts.type = BT_INTEGER;
-  if (kind)
-    f->ts.kind = mpz_get_si (kind->value.integer);
-  else
-    f->ts.kind = gfc_default_integer_kind;
 
-  if (dim == NULL)
-    {
-      f->rank = 1;
-      f->shape = gfc_get_shape (1);
-      mpz_init_set_ui (f->shape[0], array->rank);
-    }
-
-  f->value.function.name = lbound;
+void
+gfc_resolve_lcobound (gfc_expr *f, gfc_expr *array, gfc_expr *dim, gfc_expr *kind)
+{
+  resolve_bound (f, array, dim, kind, "__lcobound");
 }
 
 
@@ -2376,6 +2389,23 @@ gfc_resolve_tanh (gfc_expr *f, gfc_expr *x)
 
 
 void
+gfc_resolve_image_index (gfc_expr *f, gfc_expr *array ATTRIBUTE_UNUSED,
+			 gfc_expr *sub ATTRIBUTE_UNUSED)
+{
+  static char this_image[] = "__image_index";
+  f->ts.kind = gfc_default_integer_kind;
+  f->value.function.name = this_image;
+}
+
+
+void
+gfc_resolve_this_image (gfc_expr *f, gfc_expr *array, gfc_expr *dim)
+{
+  resolve_bound (f, array, dim, NULL, "__this_image");
+}
+
+
+void
 gfc_resolve_time (gfc_expr *f)
 {
   f->ts.type = BT_INTEGER;
@@ -2510,22 +2540,14 @@ gfc_resolve_trim (gfc_expr *f, gfc_expr *string)
 void
 gfc_resolve_ubound (gfc_expr *f, gfc_expr *array, gfc_expr *dim, gfc_expr *kind)
 {
-  static char ubound[] = "__ubound";
-
-  f->ts.type = BT_INTEGER;
-  if (kind)
-    f->ts.kind = mpz_get_si (kind->value.integer);
-  else
-    f->ts.kind = gfc_default_integer_kind;
+  resolve_bound (f, array, dim, kind, "__ubound");
+}
 
-  if (dim == NULL)
-    {
-      f->rank = 1;
-      f->shape = gfc_get_shape (1);
-      mpz_init_set_ui (f->shape[0], array->rank);
-    }
 
-  f->value.function.name = ubound;
+void
+gfc_resolve_ucobound (gfc_expr *f, gfc_expr *array, gfc_expr *dim, gfc_expr *kind)
+{
+  resolve_bound (f, array, dim, kind, "__ucobound");
 }