diff options
Diffstat (limited to 'gcc/fortran/primary.c')
-rw-r--r-- | gcc/fortran/primary.c | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/gcc/fortran/primary.c b/gcc/fortran/primary.c index 7e41535..96fbddc 100644 --- a/gcc/fortran/primary.c +++ b/gcc/fortran/primary.c @@ -1708,10 +1708,13 @@ extend_ref (gfc_expr *primary, gfc_ref *tail) variable like member references or substrings. If equiv_flag is set we only match stuff that is allowed inside an EQUIVALENCE statement. sub_flag tells whether we expect a type-bound procedure found - to be a subroutine as part of CALL or a FUNCTION. */ + to be a subroutine as part of CALL or a FUNCTION. For procedure pointer + components, 'ppc_arg' determines whether the PPC may be called (with an + argument list), or whether it may just be referred to as a pointer. */ match -gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag) +gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag, + bool ppc_arg) { char name[GFC_MAX_SYMBOL_LEN + 1]; gfc_ref *substring, *tail; @@ -1754,7 +1757,7 @@ gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag) return MATCH_YES; if (sym->ts.type == BT_UNKNOWN && gfc_peek_ascii_char () == '%' - && gfc_get_default_type (sym, sym->ns)->type == BT_DERIVED) + && gfc_get_default_type (sym->name, sym->ns)->type == BT_DERIVED) gfc_set_default_type (sym, 0, sym->ns); if (sym->ts.type != BT_DERIVED || gfc_match_char ('%') != MATCH_YES) @@ -1826,6 +1829,20 @@ gfc_match_varspec (gfc_expr *primary, int equiv_flag, bool sub_flag) primary->ts = component->ts; + if (component->attr.proc_pointer && ppc_arg + && !gfc_matching_procptr_assignment) + { + primary->expr_type = EXPR_PPC; + m = gfc_match_actual_arglist (component->attr.subroutine, + &primary->value.compcall.actual); + if (m == MATCH_ERROR) + return MATCH_ERROR; + if (m == MATCH_NO) + primary->value.compcall.actual = NULL; + + break; + } + if (component->as != NULL) { tail = extend_ref (primary, tail); @@ -1847,7 +1864,7 @@ check_substring: unknown = false; if (primary->ts.type == BT_UNKNOWN) { - if (gfc_get_default_type (sym, sym->ns)->type == BT_CHARACTER) + if (gfc_get_default_type (sym->name, sym->ns)->type == BT_CHARACTER) { gfc_set_default_type (sym, 0, sym->ns); primary->ts = sym->ts; @@ -1925,7 +1942,7 @@ gfc_variable_attr (gfc_expr *expr, gfc_typespec *ts) allocatable = attr.allocatable; target = attr.target; - if (pointer) + if (pointer || attr.proc_pointer) target = 1; if (ts != NULL && expr->ts.type == BT_UNKNOWN) @@ -1971,7 +1988,7 @@ gfc_variable_attr (gfc_expr *expr, gfc_typespec *ts) pointer = ref->u.c.component->attr.pointer; allocatable = ref->u.c.component->attr.allocatable; - if (pointer) + if (pointer || attr.proc_pointer) target = 1; break; @@ -2478,7 +2495,7 @@ gfc_match_rvalue (gfc_expr **result) e->expr_type = EXPR_VARIABLE; e->symtree = symtree; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); break; case FL_PARAMETER: @@ -2495,7 +2512,7 @@ gfc_match_rvalue (gfc_expr **result) } e->symtree = symtree; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); if (sym->ts.is_c_interop || sym->ts.is_iso_c) break; @@ -2551,7 +2568,7 @@ gfc_match_rvalue (gfc_expr **result) e = gfc_get_expr (); e->expr_type = EXPR_VARIABLE; e->symtree = symtree; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); break; } @@ -2578,7 +2595,7 @@ gfc_match_rvalue (gfc_expr **result) e->symtree = symtree; e->expr_type = EXPR_VARIABLE; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); break; } @@ -2658,7 +2675,7 @@ gfc_match_rvalue (gfc_expr **result) if (gfc_peek_ascii_char () == '%' && sym->ts.type == BT_UNKNOWN - && gfc_get_default_type (sym, sym->ns)->type == BT_DERIVED) + && gfc_get_default_type (sym->name, sym->ns)->type == BT_DERIVED) gfc_set_default_type (sym, 0, sym->ns); /* If the symbol has a dimension attribute, the expression is a @@ -2676,7 +2693,7 @@ gfc_match_rvalue (gfc_expr **result) e = gfc_get_expr (); e->symtree = symtree; e->expr_type = EXPR_VARIABLE; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); break; } @@ -2701,7 +2718,7 @@ gfc_match_rvalue (gfc_expr **result) /*FIXME:??? gfc_match_varspec does set this for us: */ e->ts = sym->ts; - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); break; } @@ -2725,7 +2742,7 @@ gfc_match_rvalue (gfc_expr **result) implicit_char = false; if (sym->ts.type == BT_UNKNOWN) { - ts = gfc_get_default_type (sym,NULL); + ts = gfc_get_default_type (sym->name, NULL); if (ts->type == BT_CHARACTER) implicit_char = true; } @@ -2790,7 +2807,7 @@ gfc_match_rvalue (gfc_expr **result) /* If our new function returns a character, array or structure type, it might have subsequent references. */ - m = gfc_match_varspec (e, 0, false); + m = gfc_match_varspec (e, 0, false, true); if (m == MATCH_NO) m = MATCH_YES; @@ -2963,7 +2980,7 @@ match_variable (gfc_expr **result, int equiv_flag, int host_flag) if (gfc_peek_ascii_char () == '%' && sym->ts.type == BT_UNKNOWN - && gfc_get_default_type (sym, implicit_ns)->type == BT_DERIVED) + && gfc_get_default_type (sym->name, implicit_ns)->type == BT_DERIVED) gfc_set_default_type (sym, 0, implicit_ns); } @@ -2975,7 +2992,7 @@ match_variable (gfc_expr **result, int equiv_flag, int host_flag) expr->where = where; /* Now see if we have to do more. */ - m = gfc_match_varspec (expr, equiv_flag, false); + m = gfc_match_varspec (expr, equiv_flag, false, false); if (m != MATCH_YES) { gfc_free_expr (expr); |