diff options
Diffstat (limited to 'gcc/ada/gnat_rm.texi')
| -rw-r--r-- | gcc/ada/gnat_rm.texi | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/ada/gnat_rm.texi b/gcc/ada/gnat_rm.texi index c3753d19cd7..575e85ef602 100644 --- a/gcc/ada/gnat_rm.texi +++ b/gcc/ada/gnat_rm.texi @@ -13309,6 +13309,7 @@ See the chapter on project files in the GNAT Users guide for examples of use. * Reserved Words:: * Lexical Elements:: * Declarations:: +* Empty declarations:: * Typed string declarations:: * Variables:: * Expressions:: @@ -13379,9 +13380,21 @@ simple_declarative_item ::= variable_declaration | typed_variable_declaration | attribute_declaration | - case_construction + case_construction | + empty_declaration @end smallexample +@node Empty declarations +@section Empty declarations + +@smallexample +empty_declaration ::= + @b{null} ; +@end smallexample + +An empty declaration is allowed anywhere a declaration is allowed. +It has no effect. + @node Typed string declarations @section Typed string declarations @@ -13683,7 +13696,7 @@ case_construction ::= case_item ::= @b{when} discrete_choice_list => - @{case_construction | attribute_declaration@} + @{case_construction | attribute_declaration | empty_declaration@} discrete_choice_list ::= string_literal @{| string_literal@} | |