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authorPaul Thomas <pault@gcc.gnu.org>2007-04-07 20:13:52 +0000
committerPaul Thomas <pault@gcc.gnu.org>2007-04-07 20:13:52 +0000
commite9bd9f7d5db94db21cdd566e9e00f851563edc97 (patch)
tree4952f685177a36049f5019f89ef57303fb8f5eab /gcc/fortran/symbol.c
parentca178f85a63290092282309bc58d624379f749b9 (diff)
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re PR fortran/31293 (Implicit character and array returning functions)
2007-04-07 Paul Thomas <pault@gcc.gnu.org> PR fortran/31293 * symbol.c (gfc_check_function_type): New function. * gfortran.h : Add prototype for previous. * parse.c (parse_progunit): Call it after parsing specification statements. 2007-04-07 Paul Thomas <pault@gcc.gnu.org> PR fortran/31293 * gfortran.dg/interface_12.f90: New test. From-SVN: r123641
Diffstat (limited to 'gcc/fortran/symbol.c')
-rw-r--r--gcc/fortran/symbol.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index b1c5ea3..ad99595 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -253,6 +253,37 @@ gfc_set_default_type (gfc_symbol * sym, int error_flag, gfc_namespace * ns)
}
+/* This function is called from parse.c(parse_progunit) to check the
+ type of the function is not implicitly typed in the host namespace
+ and to implicitly type the function result, if necessary. */
+
+void
+gfc_check_function_type (gfc_namespace *ns)
+{
+ gfc_symbol *proc = ns->proc_name;
+
+ if (!proc->attr.contained || proc->result->attr.implicit_type)
+ return;
+
+ if (proc->result->ts.type == BT_UNKNOWN)
+ {
+ if (gfc_set_default_type (proc->result, 0, gfc_current_ns)
+ == SUCCESS)
+ {
+ if (proc->result != proc)
+ proc->ts = proc->result->ts;
+ }
+ else
+ {
+ gfc_error ("unable to implicitly type the function result "
+ "'%s' at %L", proc->result->name,
+ &proc->result->declared_at);
+ proc->result->attr.untyped = 1;
+ }
+ }
+}
+
+
/******************** Symbol attribute stuff *********************/
/* This is a generic conflict-checker. We do this to avoid having a