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&is_used attribute to suppress set-but-not-used usage warnings

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This commit is contained in:
Vern Paxson 2021-02-05 22:17:36 -08:00
parent 772834e375
commit 8a3622a726
4 changed files with 9 additions and 4 deletions
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6
src/parse.y
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@ -5,7 +5,7 @@
// Switching parser table type fixes ambiguity problems.
%define lr.type ielr
%expect 135
%expect 141
%token TOK_ADD TOK_ADD_TO TOK_ADDR TOK_ANY
%token TOK_ATENDIF TOK_ATELSE TOK_ATIF TOK_ATIFDEF TOK_ATIFNDEF
@ -28,7 +28,7 @@
%token TOK_ATTR_BROKER_STORE_ALLOW_COMPLEX TOK_ATTR_BACKEND
%token TOK_ATTR_PRIORITY TOK_ATTR_LOG TOK_ATTR_ERROR_HANDLER
%token TOK_ATTR_TYPE_COLUMN TOK_ATTR_DEPRECATED
%token TOK_ATTR_IS_ASSIGNED
%token TOK_ATTR_IS_ASSIGNED TOK_ATTR_IS_USED
%token TOK_DEBUG
@ -1474,6 +1474,8 @@ attr:
{ $$ = new zeek::detail::Attr(zeek::detail::ATTR_REDEF); }
| TOK_ATTR_IS_ASSIGNED
{ $$ = new zeek::detail::Attr(zeek::detail::ATTR_IS_ASSIGNED); }
| TOK_ATTR_IS_USED
{ $$ = new zeek::detail::Attr(zeek::detail::ATTR_IS_USED); }
| TOK_ATTR_ADD_FUNC '=' expr
{ $$ = new zeek::detail::Attr(zeek::detail::ATTR_ADD_FUNC, {zeek::AdoptRef{}, $3}); }
| TOK_ATTR_DEL_FUNC '=' expr