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[src/trunk]: src/usr.bin/xlint/lint1 lint: rename grammar rules to align with...



details:   https://anonhg.NetBSD.org/src/rev/3be6644e3cbc
branches:  trunk
changeset: 984519:3be6644e3cbc
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Jul 10 19:29:28 2021 +0000

description:
lint: rename grammar rules to align with C99

No functional change.

diffstat:

 usr.bin/xlint/lint1/cgram.y |  103 ++++++++++++++++++++++---------------------
 1 files changed, 52 insertions(+), 51 deletions(-)

diffs (254 lines):

diff -r 39f82c7717c5 -r 3be6644e3cbc usr.bin/xlint/lint1/cgram.y
--- a/usr.bin/xlint/lint1/cgram.y       Sat Jul 10 18:56:54 2021 +0000
+++ b/usr.bin/xlint/lint1/cgram.y       Sat Jul 10 19:29:28 2021 +0000
@@ -1,5 +1,5 @@
 %{
-/* $NetBSD: cgram.y,v 1.299 2021/07/10 18:56:54 rillig Exp $ */
+/* $NetBSD: cgram.y,v 1.300 2021/07/10 19:29:28 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 1.299 2021/07/10 18:56:54 rillig Exp $");
+__RCSID("$NetBSD: cgram.y,v 1.300 2021/07/10 19:29:28 rillig Exp $");
 #endif
 
 #include <limits.h>
@@ -281,18 +281,18 @@
 %type  <y_sym>         func_decl
 %type  <y_sym>         notype_decl
 %type  <y_sym>         type_decl
-%type  <y_type>        typespec
-%type  <y_type>        notype_typespec
-%type  <y_type>        struct_spec
-%type  <y_type>        enum_spec
+%type  <y_type>        type_specifier
+%type  <y_type>        notype_type_specifier
+%type  <y_type>        struct_or_union_specifier
+%type  <y_type>        enum_specifier
 %type  <y_sym>         struct_tag
 %type  <y_sym>         enum_tag
-%type  <y_tspec>       struct
-%type  <y_sym>         struct_declaration
+%type  <y_tspec>       struct_or_union
+%type  <y_sym>         braced_struct_declaration_list
 %type  <y_name>        identifier
-%type  <y_sym>         member_declaration_list_semi
-%type  <y_sym>         member_declaration_list
-%type  <y_sym>         member_declaration
+%type  <y_sym>         struct_declaration_list_semi
+%type  <y_sym>         struct_declaration_list
+%type  <y_sym>         struct_declaration
 %type  <y_sym>         notype_member_decls
 %type  <y_sym>         type_member_decls
 %type  <y_sym>         notype_member_decl
@@ -535,11 +535,11 @@
        ;
 
 declaration_specifiers:                /* C99 6.7 */
-         add_typespec
-       | declmods add_typespec
+         add_type_specifier
+       | declmods add_type_specifier
        | type_attribute declaration_specifiers
        | declaration_specifiers declmod
-       | declaration_specifiers add_notype_typespec
+       | declaration_specifiers add_notype_type_specifier
        ;
 
 declmods:
@@ -559,44 +559,45 @@
          }
        ;
 
-add_typespec:
-         typespec {
+add_type_specifier:
+         type_specifier {
                add_type($1);
          }
        ;
 
-typespec:
-         notype_typespec
+type_specifier:                        /* C99 6.7.2 */
+         notype_type_specifier
        | T_TYPENAME {
                $$ = getsym($1)->s_type;
          }
        ;
 
-add_notype_typespec:
-         notype_typespec {
+add_notype_type_specifier:
+         notype_type_specifier {
                add_type($1);
          }
        ;
 
-notype_typespec:
+/* Like type_specifier, but without typedef-name. */
+notype_type_specifier:
          T_TYPE {
                $$ = gettyp($1);
          }
        | T_TYPEOF term {
                $$ = $2->tn_type;
          }
-       | struct_spec {
+       | struct_or_union_specifier {
                end_declaration_level();
                $$ = $1;
          }
-       | enum_spec {
+       | enum_specifier {
                end_declaration_level();
                $$ = $1;
          }
        ;
 
-struct_spec:
-         struct struct_tag {
+struct_or_union_specifier:     /* C99 6.7.2.1 */
+         struct_or_union struct_tag {
                /*
                 * STDC requires that "struct a;" always introduces
                 * a new tag if "a" is not declared at current level
@@ -606,23 +607,23 @@
                 */
                $$ = mktag($2, $1, false, yychar == T_SEMI);
          }
-       | struct struct_tag {
+       | struct_or_union struct_tag {
                dcs->d_tagtyp = mktag($2, $1, true, false);
-         } struct_declaration {
+         } braced_struct_declaration_list {
                $$ = complete_tag_struct_or_union(dcs->d_tagtyp, $4);
          }
-       | struct {
+       | struct_or_union {
                dcs->d_tagtyp = mktag(NULL, $1, true, false);
-         } struct_declaration {
+         } braced_struct_declaration_list {
                $$ = complete_tag_struct_or_union(dcs->d_tagtyp, $3);
          }
-       | struct error {
+       | struct_or_union error {
                symtyp = FVFT;
                $$ = gettyp(INT);
          }
        ;
 
-struct:
+struct_or_union:               /* C99 6.7.2.1 */
          T_STRUCT_OR_UNION {
                symtyp = FTAG;
                begin_declaration_level($1 == STRUCT ? MOS : MOU);
@@ -637,20 +638,20 @@
          }
        ;
 
-struct_declaration:
+braced_struct_declaration_list:
          T_LBRACE {
                symtyp = FVFT;
-         } member_declaration_list_semi T_RBRACE {
+         } struct_declaration_list_semi T_RBRACE {
                $$ = $3;
          }
        ;
 
-member_declaration_list_semi:
+struct_declaration_list_semi:
          /* empty */ {
                $$ = NULL;
          }
-       | member_declaration_list T_SEMI
-       | member_declaration_list {
+       | struct_declaration_list T_SEMI
+       | struct_declaration_list {
                if (sflag) {
                        /* syntax req. ';' after last struct/union member */
                        error(66);
@@ -662,14 +663,14 @@
          }
        ;
 
-member_declaration_list:
-         member_declaration
-       | member_declaration_list T_SEMI member_declaration {
+struct_declaration_list:
+         struct_declaration
+       | struct_declaration_list T_SEMI struct_declaration {
                $$ = lnklst($1, $3);
          }
        ;
 
-member_declaration:
+struct_declaration:
          begin_type add_type_qualifier_list end_type {
                /* too late, i know, but getsym() compensates it */
                symtyp = FMEMBER;
@@ -715,10 +716,10 @@
        ;
 
 noclass_declspecs_postfix:
-         add_typespec
-       | add_type_qualifier_list add_typespec
+         add_type_specifier
+       | add_type_qualifier_list add_type_specifier
        | noclass_declspecs_postfix add_type_qualifier
-       | noclass_declspecs_postfix add_notype_typespec
+       | noclass_declspecs_postfix add_notype_type_specifier
        | noclass_declspecs_postfix type_attribute
        ;
 
@@ -779,7 +780,7 @@
          }
        ;
 
-enum_spec:
+enum_specifier:                /* C99 6.7.2.2 */
          enum enum_tag {
                $$ = mktag($2, ENUM, false, false);
          }
@@ -1071,7 +1072,7 @@
        ;
 
 align_as:                      /* See alignment-specifier in C11 6.7.5 */
-         typespec
+         type_specifier
        | constant_expr
        ;
 
@@ -1414,7 +1415,7 @@
        | block_item_list
        ;
 
-block_item_list:
+block_item_list:               /* C99 6.8.2 */
          block_item
        | block_item_list block_item {
                if (!Sflag && $1 && !$2)
@@ -1424,13 +1425,13 @@
          }
        ;
 
-block_item:
-         statement {
-               $$ = true;
+block_item:                    /* C99 6.8.2 */
+         declaration {
+               $$ = false;
                restore_warning_flags();
          }
-       | declaration {
-               $$ = false;
+       | statement {
+               $$ = true;
                restore_warning_flags();
          }
        ;



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