[src/trunk]: src/usr.bin/xlint/lint1 lint: rename grammar rules for abstract ...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9d1d5fc74fee
branches:  trunk
changeset: 984224:9d1d5fc74fee
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Jun 28 09:40:52 2021 +0000

description:
lint: rename grammar rules for abstract declarators

The previous name 'decl' was ambiguous, it could have meant declaration
as well as declarator.  The new names are aligned with C99.

No functional change.

diffstat:

 usr.bin/xlint/lint1/cgram.y |  41 ++++++++++++++++++++---------------------
 1 files changed, 20 insertions(+), 21 deletions(-)

diffs (123 lines):

diff -r a5b75ff1aed7 -r 9d1d5fc74fee usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Mon Jun 28 09:14:42 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Mon Jun 28 09:40:52 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.245 2021/06/28 09:14:42 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.246 2021/06/28 09:40:52 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: cgram.y,v 1.245 2021/06/28 09:14:42 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.246 2021/06/28 09:40:52 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -318,8 +318,8 @@
 %type  <y_qual_ptr>    type_qualifier_list
 %type  <y_qual_ptr>    type_qualifier
 %type  <y_sym>         identifier_list
-%type  <y_sym>         abstract_decl
-%type  <y_sym>         direct_abstract_decl
+%type  <y_sym>         abstract_declarator
+%type  <y_sym>         direct_abstract_declarator
 %type  <y_sym>         vararg_parameter_type_list
 %type  <y_sym>         parameter_type_list
 %type  <y_sym>         parameter_declaration
@@ -1329,10 +1329,10 @@
        | declaration_specifiers deftyp param_decl {
                $$ = declare_argument($3, false);
          }
-       | declmods deftyp abstract_decl {
+       | declmods deftyp abstract_declarator {
                $$ = declare_argument($3, false);
          }
-       | declaration_specifiers deftyp abstract_decl {
+       | declaration_specifiers deftyp abstract_declarator {
                $$ = declare_argument($3, false);
          }
        ;
@@ -1425,7 +1425,7 @@
          }
        ;
 
-type_name:
+type_name:                     /* C99 6.7.6 */
          {
                begin_declaration_level(ABSTRACT);
          } abstract_declaration {
@@ -1441,30 +1441,29 @@
        | noclass_declspecs deftyp {
                $$ = declare_1_abstract(abstract_name());
          }
-       | noclass_declmods deftyp abstract_decl {
+       | noclass_declmods deftyp abstract_declarator {
                $$ = declare_1_abstract($3);
          }
-       | noclass_declspecs deftyp abstract_decl {
+       | noclass_declspecs deftyp abstract_declarator {
                $$ = declare_1_abstract($3);
          }
        ;
 
-/* TODO: abstract_declaration and abstract_decl sound too similar */
-abstract_decl:
+abstract_declarator:           /* C99 6.7.6 */
          pointer {
                $$ = add_pointer(abstract_name(), $1);
          }
-       | direct_abstract_decl
-       | pointer direct_abstract_decl {
+       | direct_abstract_declarator
+       | pointer direct_abstract_declarator {
                $$ = add_pointer($2, $1);
          }
-       | T_TYPEOF term {
+       | T_TYPEOF term {       /* GCC extension */
                $$ = mktempsym($2->tn_type);
          }
        ;
 
-direct_abstract_decl:
-         T_LPAREN abstract_decl T_RPAREN {
+direct_abstract_declarator:
+         T_LPAREN abstract_declarator T_RPAREN {
                $$ = $2;
          }
        | T_LBRACK T_RBRACK {
@@ -1473,13 +1472,13 @@
        | T_LBRACK array_size T_RBRACK {
                $$ = add_array(abstract_name(), true, to_int_constant($2, false));
          }
-       | type_attribute direct_abstract_decl {
+       | type_attribute direct_abstract_declarator {
                $$ = $2;
          }
-       | direct_abstract_decl T_LBRACK T_RBRACK {
+       | direct_abstract_declarator T_LBRACK T_RBRACK {
                $$ = add_array($1, false, 0);
          }
-       | direct_abstract_decl T_LBRACK array_size T_RBRACK {
+       | direct_abstract_declarator T_LBRACK array_size T_RBRACK {
                $$ = add_array($1, true, to_int_constant($3, false));
          }
        | abstract_decl_param_list asm_or_symbolrename_opt {
@@ -1487,12 +1486,12 @@
                end_declaration_level();
                block_level--;
          }
-       | direct_abstract_decl abstract_decl_param_list asm_or_symbolrename_opt {
+       | direct_abstract_declarator abstract_decl_param_list asm_or_symbolrename_opt {
                $$ = add_function(symbolrename($1, $3), $2);
                end_declaration_level();
                block_level--;
          }
-       | direct_abstract_decl type_attribute_list
+       | direct_abstract_declarator type_attribute_list
        ;
 
 non_expr_statement: