flush.c: New file.

2004-12-02  Steven G. Kargl  <kargls@comcast.net>
	Paul Brook  <paul@codesourcery.com>

libgfortran/
	* intrinsics/flush.c: New file.
	* intrinsics/fnum.c: ditto
	* intrinsics/stat.c: ditto
	* io/io.h (unit_to_fd): Add prototype.
	* io/unix.c (unit_to_fd): New function.
	* configure.ac: Add test for members of struct stat.  Check for
	sys/types.h and sys/stat.h
	* Makefile.am: Add intrinsics/{flush.c,fnum.c,stat.c}
	* configure.in: Regenerate.
	* config.h.in: Regenerate.
	* Makefile.in: Regenerate.
fortran/
	* check.c (gfc_check_flush, gfc_check_fnum): New functions.
	(gfc_check_fstat, gfc_check_fstat_sub): New functions.
	(gfc_check_stat, gfc_check_stat_sub): New functions.
	* gfortran.h (GFC_ISYM_FNUM,GFC_ISYM_FSTAT,GFC_ISYM_STAT): New symbols
	* intrinsic.c (add_functions,add_subroutines): Add flush, fnum,
	fstat, and stat to intrinsics symbol tables.
	* intrinsic.h (gfc_check_flush, gfc_resolve_stat_sub): Add prototypes.
	(gfc_resolve_fstat_sub, gfc_resolve_stat): Ditto.
	* iresolve.c (gfc_resolve_fnum, gfc_resolve_fstat): New functions.
	(gfc_resolve_stat, gfc_resolve_flush): New functions.
	(gfc_resolve_stat_sub,gfc_resolve_fstat_sub): New functions
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add new intrinsics.

Co-Authored-By: Paul Brook <paul@codesourcery.com>

From-SVN: r91609

1 files changed, 130 insertions, 0 deletions

diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 3920864..0b4f92e6 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -750,6 +750,20 @@ gfc_check_eoshift (gfc_expr * array, gfc_expr * shift, gfc_expr * boundary,
 }
 
 
+try
+gfc_check_fnum (gfc_expr * unit)
+{
+
+  if (type_check (unit, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (unit, 0) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
 /* This is used for the g77 one-argument Bessel functions, and the
    error function.  */
 
@@ -1623,6 +1637,7 @@ gfc_check_spread (gfc_expr * source, gfc_expr * dim, gfc_expr * ncopies)
 
   if (type_check (ncopies, 2, BT_INTEGER) == FAILURE)
     return FAILURE;
+
   if (scalar_check (ncopies, 2) == FAILURE)
     return FAILURE;
 
@@ -1631,6 +1646,104 @@ gfc_check_spread (gfc_expr * source, gfc_expr * dim, gfc_expr * ncopies)
 
 
 try
+gfc_check_fstat (gfc_expr * unit, gfc_expr * array)
+{
+
+  if (type_check (unit, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (unit, 0) == FAILURE)
+    return FAILURE;
+
+  if (type_check (array, 1, BT_INTEGER) == FAILURE
+      || kind_value_check (unit, 0, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (array_check (array, 1) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_fstat_sub (gfc_expr * unit, gfc_expr * array, gfc_expr * status)
+{
+
+  if (type_check (unit, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (unit, 0) == FAILURE)
+    return FAILURE;
+
+  if (type_check (array, 1, BT_INTEGER) == FAILURE
+      || kind_value_check (array, 1, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (array_check (array, 1) == FAILURE)
+    return FAILURE;
+
+  if (status == NULL)
+    return SUCCESS;
+
+  if (type_check (status, 2, BT_INTEGER) == FAILURE
+      || kind_value_check (status, 2, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (status, 2) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_stat (gfc_expr * name, gfc_expr * array)
+{
+
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (type_check (array, 1, BT_INTEGER) == FAILURE
+      || kind_value_check (array, 1, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (array_check (array, 1) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_stat_sub (gfc_expr * name, gfc_expr * array, gfc_expr * status)
+{
+
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (type_check (array, 1, BT_INTEGER) == FAILURE
+      || kind_value_check (array, 1, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (array_check (array, 1) == FAILURE)
+    return FAILURE;
+
+  if (status == NULL)
+    return SUCCESS;
+
+  if (type_check (status, 2, BT_INTEGER) == FAILURE
+      || kind_value_check (array, 1, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (status, 2) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
 gfc_check_transfer (gfc_expr * source ATTRIBUTE_UNUSED,
 		    gfc_expr * mold ATTRIBUTE_UNUSED,
 		    gfc_expr * size)
@@ -2139,6 +2252,23 @@ gfc_check_exit (gfc_expr * status)
 
 
 try
+gfc_check_flush (gfc_expr * unit)
+{
+  
+  if (unit == NULL)
+    return SUCCESS;
+
+  if (type_check (unit, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (unit, 0) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
 gfc_check_umask (gfc_expr * mask)
 {