intrinsic.c (add_functions): Add ACCESS, CHMOD, RSHIFT, LSHIFT.

	* intrinsic.c (add_functions): Add ACCESS, CHMOD, RSHIFT, LSHIFT.
	(add_subroutines): Add LTIME, GMTIME and CHMOD.
	* intrinsic.h (gfc_check_access_func, gfc_check_chmod,
	gfc_check_chmod_sub, gfc_check_ltime_gmtime, gfc_simplify_rshift,
	gfc_simplify_lshift, gfc_resolve_access, gfc_resolve_chmod,
	gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub,
	gfc_resolve_gmtime, gfc_resolve_ltime): Add prototypes.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_ACCESS,
	GFC_ISYM_CHMOD, GFC_ISYM_LSHIFT, GFC_ISYM_RSHIFT.
	* iresolve.c (gfc_resolve_access, gfc_resolve_chmod,
	gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub,
	gfc_resolve_gmtime, gfc_resolve_ltime): New functions.
	* check.c (gfc_check_access_func, gfc_check_chmod,
	gfc_check_chmod_sub, gfc_check_ltime_gmtime): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_rlshift): New function.
	(gfc_conv_intrinsic_function): Add cases for the new GFC_ISYM_*.

	* intrinsics/date_and_time.c: Add functions for GMTIME and LTIME.
	* intrinsics/access.c: New file.
	* intrinsics/chmod.c: New file.
	* configure.ac: Add checks for <sys/wait.h>, access, fork,execl
	and wait.
	* Makefile.am: Add new files intrinsics/access.c and
	intrinsics/chmod.c.
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* Makefile.in: Regenerate.

	* gcc/testsuite/gfortran.dg/chmod_3.f90: New test.
	* gcc/testsuite/gfortran.dg/ltime_gmtime_1.f90: New test.
	* gcc/testsuite/gfortran.dg/ltime_gmtime_2.f90: New test.
	* gcc/testsuite/gfortran.dg/lrshift_1.f90: New test.
	* gcc/testsuite/gfortran.dg/chmod_1.f90: New test.
	* gcc/testsuite/gfortran.dg/chmod_2.f90: New test.

From-SVN: r115825

1 files changed, 82 insertions, 0 deletions

diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
index 4384fdb..2365822 100644
--- a/gcc/fortran/check.c
+++ b/gcc/fortran/check.c
@@ -443,6 +443,22 @@ gfc_check_achar (gfc_expr * a)
 
 
 try
+gfc_check_access_func (gfc_expr * name, gfc_expr * mode)
+{
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE
+      || scalar_check (name, 0) == FAILURE)
+    return FAILURE;
+
+
+  if (type_check (mode, 1, BT_CHARACTER) == FAILURE
+      || scalar_check (mode, 1) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
 gfc_check_all_any (gfc_expr * mask, gfc_expr * dim)
 {
   if (logical_array_check (mask, 0) == FAILURE)
@@ -678,6 +694,41 @@ gfc_check_chdir_sub (gfc_expr * dir, gfc_expr * status)
 
 
 try
+gfc_check_chmod (gfc_expr * name, gfc_expr * mode)
+{
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (type_check (mode, 1, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
+gfc_check_chmod_sub (gfc_expr * name, gfc_expr * mode, gfc_expr * status)
+{
+  if (type_check (name, 0, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (type_check (mode, 1, BT_CHARACTER) == FAILURE)
+    return FAILURE;
+
+  if (status == NULL)
+    return SUCCESS;
+
+  if (type_check (status, 2, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (status, 2) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
 gfc_check_cmplx (gfc_expr * x, gfc_expr * y, gfc_expr * kind)
 {
   if (numeric_check (x, 0) == FAILURE)
@@ -3085,6 +3136,37 @@ gfc_check_itime_idate (gfc_expr * values)
 
 
 try
+gfc_check_ltime_gmtime (gfc_expr * time, gfc_expr * values)
+{
+  if (type_check (time, 0, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (kind_value_check(time, 0, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  if (scalar_check (time, 0) == FAILURE)
+    return FAILURE;
+
+  if (array_check (values, 1) == FAILURE)
+    return FAILURE;
+
+  if (rank_check (values, 1, 1) == FAILURE)
+    return FAILURE;
+
+  if (variable_check (values, 1) == FAILURE)
+    return FAILURE;
+
+  if (type_check (values, 1, BT_INTEGER) == FAILURE)
+    return FAILURE;
+
+  if (kind_value_check(values, 1, gfc_default_integer_kind) == FAILURE)
+    return FAILURE;
+
+  return SUCCESS;
+}
+
+
+try
 gfc_check_ttynam_sub (gfc_expr * unit, gfc_expr * name)
 {
   if (scalar_check (unit, 0) == FAILURE)