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, 35 insertions, 2 deletions

diff --git a/gcc/fortran/intrinsic.c b/gcc/fortran/intrinsic.c
index 801072a..ebf40ce 100644
--- a/gcc/fortran/intrinsic.c
+++ b/gcc/fortran/intrinsic.c
@@ -857,7 +857,7 @@ add_functions (void)
     *s = "s", *dm = "dim", *kind = "kind", *msk = "mask",
     *x = "x", *sh = "shift", *stg = "string", *ssg = "substring",
     *y = "y", *sz = "size", *sta = "string_a", *stb = "string_b",
-    *z = "z", *ln = "len";
+    *z = "z", *ln = "len", *ut = "unit";
 
   int di, dr, dd, dl, dc, dz, ii;
 
@@ -1280,12 +1280,25 @@ add_functions (void)
 
   make_generic ("floor", GFC_ISYM_FLOOR, GFC_STD_F95);
 
+  /* G77 compatible fnum */
+  add_sym_1 ("fnum", 0, 1, BT_INTEGER, di, GFC_STD_GNU,
+	     gfc_check_fnum, NULL, gfc_resolve_fnum,
+	     ut, BT_INTEGER, di, REQUIRED);
+
+  make_generic ("fnum", GFC_ISYM_FNUM, GFC_STD_GNU);
+
   add_sym_1 ("fraction", 1, 1, BT_REAL, dr, GFC_STD_F95,
 	     gfc_check_x, gfc_simplify_fraction, gfc_resolve_fraction,
 	     x, BT_REAL, dr, REQUIRED);
 
   make_generic ("fraction", GFC_ISYM_FRACTION, GFC_STD_F95);
 
+  add_sym_2 ("fstat", 0, 1, BT_INTEGER, di, GFC_STD_GNU,
+	     gfc_check_fstat, NULL, gfc_resolve_fstat,
+	     a, BT_INTEGER, di, REQUIRED, b, BT_INTEGER, di, REQUIRED);
+
+  make_generic ("fstat", GFC_ISYM_FSTAT, GFC_STD_GNU);
+
   /* Unix IDs (g77 compatibility)  */
   add_sym_1 ("getcwd", 0, 1, BT_INTEGER, di,  GFC_STD_GNU,
 	     NULL, NULL, gfc_resolve_getcwd,
@@ -1876,6 +1889,12 @@ add_functions (void)
 
   make_generic ("sqrt", GFC_ISYM_SQRT, GFC_STD_F77);
 
+  add_sym_2 ("stat", 0, 1, BT_INTEGER, di, GFC_STD_GNU,
+	     gfc_check_stat, NULL, gfc_resolve_stat,
+	     a, BT_CHARACTER, dc, REQUIRED, b, BT_INTEGER, di, REQUIRED);
+
+  make_generic ("stat", GFC_ISYM_STAT, GFC_STD_GNU);
+
   add_sym_3red ("sum", 0, 1, BT_UNKNOWN, 0, GFC_STD_F95,
                 gfc_check_product_sum, NULL, gfc_resolve_sum,
 		ar, BT_REAL, dr, REQUIRED, dm, BT_INTEGER, ii, OPTIONAL,
@@ -1983,7 +2002,7 @@ add_subroutines (void)
     *f = "from", *sz = "size", *ln = "len", *cr = "count_rate",
     *com = "command", *length = "length", *st = "status",
     *val = "value", *num = "number", *name = "name",
-    *trim_name = "trim_name";
+    *trim_name = "trim_name", *ut = "unit";
 
   int di, dr, dc, dl;
 
@@ -2073,6 +2092,20 @@ add_subroutines (void)
              gfc_check_exit, NULL, gfc_resolve_exit,
 	      c, BT_INTEGER, di, OPTIONAL);
 
+  add_sym_1s ("flush", 0, 1, BT_UNKNOWN, 0, GFC_STD_GNU,
+	      gfc_check_flush, NULL, gfc_resolve_flush,
+	      c, BT_INTEGER, di, OPTIONAL);
+
+  add_sym_3s ("fstat", 0, 1, BT_UNKNOWN, 0, GFC_STD_GNU,
+	      gfc_check_fstat_sub, NULL, gfc_resolve_fstat_sub,
+	      ut, BT_INTEGER, di, REQUIRED, vl, BT_INTEGER, di, REQUIRED,
+	      st, BT_INTEGER, di, OPTIONAL);
+
+  add_sym_3s ("stat", 0, 1, BT_UNKNOWN, 0, GFC_STD_GNU,
+	      gfc_check_stat_sub, NULL, gfc_resolve_stat_sub,
+	      name, BT_CHARACTER, dc, REQUIRED, vl, BT_INTEGER, di, REQUIRED,
+	      st, BT_INTEGER, di, OPTIONAL);
+
   add_sym_2s ("system", 0, 1, BT_UNKNOWN, 0, GFC_STD_GNU,
 	      NULL, NULL, gfc_resolve_system_sub,
 	      c, BT_CHARACTER, dc, REQUIRED, st, BT_INTEGER, di, OPTIONAL);