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a88bab9a
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体验新版 GitCode,发现更多精彩内容 >>
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a88bab9a
编写于
3月 17, 2011
作者:
M
Michal Marek
浏览文件
操作
浏览文件
下载
差异文件
Merge branch 'genksyms-enum' into kbuild/kbuild
上级
00759c0e
303fc01f
变更
8
展开全部
隐藏空白更改
内联
并排
Showing
8 changed file
with
988 addition
and
863 deletion
+988
-863
scripts/genksyms/Makefile
scripts/genksyms/Makefile
+2
-2
scripts/genksyms/genksyms.c
scripts/genksyms/genksyms.c
+136
-56
scripts/genksyms/genksyms.h
scripts/genksyms/genksyms.h
+5
-2
scripts/genksyms/lex.c_shipped
scripts/genksyms/lex.c_shipped
+150
-277
scripts/genksyms/lex.l
scripts/genksyms/lex.l
+31
-13
scripts/genksyms/parse.c_shipped
scripts/genksyms/parse.c_shipped
+619
-452
scripts/genksyms/parse.h_shipped
scripts/genksyms/parse.h_shipped
+15
-57
scripts/genksyms/parse.y
scripts/genksyms/parse.y
+30
-4
未找到文件。
scripts/genksyms/Makefile
浏览文件 @
a88bab9a
...
...
@@ -28,9 +28,9 @@ $(obj)/keywords.c: $(obj)/keywords.gperf FORCE
# flex
quiet_cmd_lex.c
=
FLEX
$@
cmd_lex.c
=
flex
-o
$@
-d
$<
$(obj)
/parse.h
cmd_lex.c
=
flex
-o
$@
-d
$<
$(obj)/lex.c
:
$(obj)/lex.l $(obj)/
parse.h $(obj)/
keywords.c FORCE
$(obj)/lex.c
:
$(obj)/lex.l $(obj)/keywords.c FORCE
$(
call
if_changed,lex.c
)
cp
$@
$@
_shipped
...
...
scripts/genksyms/genksyms.c
浏览文件 @
a88bab9a
...
...
@@ -53,12 +53,22 @@ static int nsyms;
static
struct
symbol
*
expansion_trail
;
static
struct
symbol
*
visited_symbols
;
static
const
char
*
const
symbol_type_name
[]
=
{
"normal"
,
"typedef"
,
"enum"
,
"struct"
,
"union"
static
const
struct
{
int
n
;
const
char
*
name
;
}
symbol_types
[]
=
{
[
SYM_NORMAL
]
=
{
0
,
NULL
},
[
SYM_TYPEDEF
]
=
{
't'
,
"typedef"
},
[
SYM_ENUM
]
=
{
'e'
,
"enum"
},
[
SYM_STRUCT
]
=
{
's'
,
"struct"
},
[
SYM_UNION
]
=
{
'u'
,
"union"
},
[
SYM_ENUM_CONST
]
=
{
'E'
,
"enum constant"
},
};
static
int
equal_list
(
struct
string_list
*
a
,
struct
string_list
*
b
);
static
void
print_list
(
FILE
*
f
,
struct
string_list
*
list
);
static
struct
string_list
*
concat_list
(
struct
string_list
*
start
,
...);
static
struct
string_list
*
mk_node
(
const
char
*
string
);
static
void
print_location
(
void
);
static
void
print_type_name
(
enum
symbol_type
type
,
const
char
*
name
);
...
...
@@ -140,14 +150,20 @@ static unsigned long crc32(const char *s)
static
enum
symbol_type
map_to_ns
(
enum
symbol_type
t
)
{
if
(
t
==
SYM_TYPEDEF
)
t
=
SYM_NORMAL
;
else
if
(
t
==
SYM_UNION
)
t
=
SYM_STRUCT
;
switch
(
t
)
{
case
SYM_ENUM_CONST
:
case
SYM_NORMAL
:
case
SYM_TYPEDEF
:
return
SYM_NORMAL
;
case
SYM_ENUM
:
case
SYM_STRUCT
:
case
SYM_UNION
:
return
SYM_STRUCT
;
}
return
t
;
}
struct
symbol
*
find_symbol
(
const
char
*
name
,
enum
symbol_type
ns
)
struct
symbol
*
find_symbol
(
const
char
*
name
,
enum
symbol_type
ns
,
int
exact
)
{
unsigned
long
h
=
crc32
(
name
)
%
HASH_BUCKETS
;
struct
symbol
*
sym
;
...
...
@@ -158,6 +174,8 @@ struct symbol *find_symbol(const char *name, enum symbol_type ns)
sym
->
is_declared
)
break
;
if
(
exact
&&
sym
&&
sym
->
type
!=
ns
)
return
NULL
;
return
sym
;
}
...
...
@@ -180,10 +198,47 @@ static struct symbol *__add_symbol(const char *name, enum symbol_type type,
struct
string_list
*
defn
,
int
is_extern
,
int
is_reference
)
{
unsigned
long
h
=
crc32
(
name
)
%
HASH_BUCKETS
;
unsigned
long
h
;
struct
symbol
*
sym
;
enum
symbol_status
status
=
STATUS_UNCHANGED
;
/* The parser adds symbols in the order their declaration completes,
* so it is safe to store the value of the previous enum constant in
* a static variable.
*/
static
int
enum_counter
;
static
struct
string_list
*
last_enum_expr
;
if
(
type
==
SYM_ENUM_CONST
)
{
if
(
defn
)
{
free_list
(
last_enum_expr
,
NULL
);
last_enum_expr
=
copy_list_range
(
defn
,
NULL
);
enum_counter
=
1
;
}
else
{
struct
string_list
*
expr
;
char
buf
[
20
];
snprintf
(
buf
,
sizeof
(
buf
),
"%d"
,
enum_counter
++
);
if
(
last_enum_expr
)
{
expr
=
copy_list_range
(
last_enum_expr
,
NULL
);
defn
=
concat_list
(
mk_node
(
"("
),
expr
,
mk_node
(
")"
),
mk_node
(
"+"
),
mk_node
(
buf
),
NULL
);
}
else
{
defn
=
mk_node
(
buf
);
}
}
}
else
if
(
type
==
SYM_ENUM
)
{
free_list
(
last_enum_expr
,
NULL
);
last_enum_expr
=
NULL
;
enum_counter
=
0
;
if
(
!
name
)
/* Anonymous enum definition, nothing more to do */
return
NULL
;
}
h
=
crc32
(
name
)
%
HASH_BUCKETS
;
for
(
sym
=
symtab
[
h
];
sym
;
sym
=
sym
->
hash_next
)
{
if
(
map_to_ns
(
sym
->
type
)
==
map_to_ns
(
type
)
&&
strcmp
(
name
,
sym
->
name
)
==
0
)
{
...
...
@@ -247,8 +302,12 @@ static struct symbol *__add_symbol(const char *name, enum symbol_type type,
sym
->
is_override
=
0
;
if
(
flag_debug
)
{
fprintf
(
debugfile
,
"Defn for %s %s == <"
,
symbol_type_name
[
type
],
name
);
if
(
symbol_types
[
type
].
name
)
fprintf
(
debugfile
,
"Defn for %s %s == <"
,
symbol_types
[
type
].
name
,
name
);
else
fprintf
(
debugfile
,
"Defn for type%d %s == <"
,
type
,
name
);
if
(
is_extern
)
fputs
(
"extern "
,
debugfile
);
print_list
(
debugfile
,
defn
);
...
...
@@ -288,6 +347,35 @@ void free_list(struct string_list *s, struct string_list *e)
}
}
static
struct
string_list
*
mk_node
(
const
char
*
string
)
{
struct
string_list
*
newnode
;
newnode
=
xmalloc
(
sizeof
(
*
newnode
));
newnode
->
string
=
xstrdup
(
string
);
newnode
->
tag
=
SYM_NORMAL
;
newnode
->
next
=
NULL
;
return
newnode
;
}
static
struct
string_list
*
concat_list
(
struct
string_list
*
start
,
...)
{
va_list
ap
;
struct
string_list
*
n
,
*
n2
;
if
(
!
start
)
return
NULL
;
for
(
va_start
(
ap
,
start
);
(
n
=
va_arg
(
ap
,
struct
string_list
*
));)
{
for
(
n2
=
n
;
n2
->
next
;
n2
=
n2
->
next
)
;
n2
->
next
=
start
;
start
=
n
;
}
va_end
(
ap
);
return
start
;
}
struct
string_list
*
copy_node
(
struct
string_list
*
node
)
{
struct
string_list
*
newnode
;
...
...
@@ -299,6 +387,22 @@ struct string_list *copy_node(struct string_list *node)
return
newnode
;
}
struct
string_list
*
copy_list_range
(
struct
string_list
*
start
,
struct
string_list
*
end
)
{
struct
string_list
*
res
,
*
n
;
if
(
start
==
end
)
return
NULL
;
n
=
res
=
copy_node
(
start
);
for
(
start
=
start
->
next
;
start
!=
end
;
start
=
start
->
next
)
{
n
->
next
=
copy_node
(
start
);
n
=
n
->
next
;
}
n
->
next
=
NULL
;
return
res
;
}
static
int
equal_list
(
struct
string_list
*
a
,
struct
string_list
*
b
)
{
while
(
a
&&
b
)
{
...
...
@@ -346,8 +450,8 @@ static struct string_list *read_node(FILE *f)
if
(
node
.
string
[
1
]
==
'#'
)
{
int
n
;
for
(
n
=
0
;
n
<
ARRAY_SIZE
(
symbol_type
_name
);
n
++
)
{
if
(
node
.
string
[
0
]
==
symbol_type
_name
[
n
][
0
]
)
{
for
(
n
=
0
;
n
<
ARRAY_SIZE
(
symbol_type
s
);
n
++
)
{
if
(
node
.
string
[
0
]
==
symbol_type
s
[
n
].
n
)
{
node
.
tag
=
n
;
node
.
string
+=
2
;
return
copy_node
(
&
node
);
...
...
@@ -397,8 +501,8 @@ static void read_reference(FILE *f)
static
void
print_node
(
FILE
*
f
,
struct
string_list
*
list
)
{
if
(
list
->
tag
!=
SYM_NORMAL
)
{
putc
(
symbol_type
_name
[
list
->
tag
][
0
]
,
f
);
if
(
symbol_types
[
list
->
tag
].
n
)
{
putc
(
symbol_type
s
[
list
->
tag
].
n
,
f
);
putc
(
'#'
,
f
);
}
fputs
(
list
->
string
,
f
);
...
...
@@ -468,8 +572,9 @@ static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)
crc
=
partial_crc32_one
(
' '
,
crc
);
break
;
case
SYM_ENUM_CONST
:
case
SYM_TYPEDEF
:
subsym
=
find_symbol
(
cur
->
string
,
cur
->
tag
);
subsym
=
find_symbol
(
cur
->
string
,
cur
->
tag
,
0
);
/* FIXME: Bad reference files can segfault here. */
if
(
subsym
->
expansion_trail
)
{
if
(
flag_dump_defs
)
...
...
@@ -486,55 +591,30 @@ static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc)
case
SYM_STRUCT
:
case
SYM_UNION
:
case
SYM_ENUM
:
subsym
=
find_symbol
(
cur
->
string
,
cur
->
tag
);
subsym
=
find_symbol
(
cur
->
string
,
cur
->
tag
,
0
);
if
(
!
subsym
)
{
struct
string_list
*
n
,
*
t
=
NULL
;
struct
string_list
*
n
;
error_with_pos
(
"expand undefined %s %s"
,
symbol_type
_name
[
cur
->
tag
]
,
symbol_type
s
[
cur
->
tag
].
name
,
cur
->
string
);
n
=
xmalloc
(
sizeof
(
*
n
));
n
->
string
=
xstrdup
(
symbol_type_name
[
cur
->
tag
]);
n
->
tag
=
SYM_NORMAL
;
n
->
next
=
t
;
t
=
n
;
n
=
xmalloc
(
sizeof
(
*
n
));
n
->
string
=
xstrdup
(
cur
->
string
);
n
->
tag
=
SYM_NORMAL
;
n
->
next
=
t
;
t
=
n
;
n
=
xmalloc
(
sizeof
(
*
n
));
n
->
string
=
xstrdup
(
"{"
);
n
->
tag
=
SYM_NORMAL
;
n
->
next
=
t
;
t
=
n
;
n
=
xmalloc
(
sizeof
(
*
n
));
n
->
string
=
xstrdup
(
"UNKNOWN"
);
n
->
tag
=
SYM_NORMAL
;
n
->
next
=
t
;
t
=
n
;
n
=
xmalloc
(
sizeof
(
*
n
));
n
->
string
=
xstrdup
(
"}"
);
n
->
tag
=
SYM_NORMAL
;
n
->
next
=
t
;
t
=
n
;
n
=
concat_list
(
mk_node
(
symbol_types
[
cur
->
tag
].
name
),
mk_node
(
cur
->
string
),
mk_node
(
"{"
),
mk_node
(
"UNKNOWN"
),
mk_node
(
"}"
),
NULL
);
subsym
=
add_symbol
(
cur
->
string
,
cur
->
tag
,
n
,
0
);
}
if
(
subsym
->
expansion_trail
)
{
if
(
flag_dump_defs
)
{
fprintf
(
debugfile
,
"%s %s "
,
symbol_type
_name
[
cur
->
tag
]
,
symbol_type
s
[
cur
->
tag
].
name
,
cur
->
string
);
}
crc
=
partial_crc32
(
symbol_type
_name
[
cur
->
tag
]
,
crc
=
partial_crc32
(
symbol_type
s
[
cur
->
tag
].
name
,
crc
);
crc
=
partial_crc32_one
(
' '
,
crc
);
crc
=
partial_crc32
(
cur
->
string
,
crc
);
...
...
@@ -565,7 +645,7 @@ void export_symbol(const char *name)
{
struct
symbol
*
sym
;
sym
=
find_symbol
(
name
,
SYM_NORMAL
);
sym
=
find_symbol
(
name
,
SYM_NORMAL
,
0
);
if
(
!
sym
)
error_with_pos
(
"export undefined symbol %s"
,
name
);
else
{
...
...
@@ -624,8 +704,8 @@ static void print_location(void)
static
void
print_type_name
(
enum
symbol_type
type
,
const
char
*
name
)
{
if
(
type
!=
SYM_NORMAL
)
fprintf
(
stderr
,
"%s %s"
,
symbol_type
_name
[
type
]
,
name
);
if
(
symbol_types
[
type
].
name
)
fprintf
(
stderr
,
"%s %s"
,
symbol_type
s
[
type
].
name
,
name
);
else
fprintf
(
stderr
,
"%s"
,
name
);
}
...
...
@@ -771,8 +851,8 @@ int main(int argc, char **argv)
if
(
sym
->
is_override
)
fputs
(
"override "
,
dumpfile
);
if
(
sym
->
type
!=
SYM_NORMAL
)
{
putc
(
symbol_type
_name
[
sym
->
type
][
0
]
,
dumpfile
);
if
(
sym
bol_types
[
sym
->
type
].
n
)
{
putc
(
symbol_type
s
[
sym
->
type
].
n
,
dumpfile
);
putc
(
'#'
,
dumpfile
);
}
fputs
(
sym
->
name
,
dumpfile
);
...
...
scripts/genksyms/genksyms.h
浏览文件 @
a88bab9a
...
...
@@ -26,7 +26,8 @@
#include <stdio.h>
enum
symbol_type
{
SYM_NORMAL
,
SYM_TYPEDEF
,
SYM_ENUM
,
SYM_STRUCT
,
SYM_UNION
SYM_NORMAL
,
SYM_TYPEDEF
,
SYM_ENUM
,
SYM_STRUCT
,
SYM_UNION
,
SYM_ENUM_CONST
};
enum
symbol_status
{
...
...
@@ -58,7 +59,7 @@ typedef struct string_list **yystype;
extern
int
cur_line
;
extern
char
*
cur_filename
;
struct
symbol
*
find_symbol
(
const
char
*
name
,
enum
symbol_type
ns
);
struct
symbol
*
find_symbol
(
const
char
*
name
,
enum
symbol_type
ns
,
int
exact
);
struct
symbol
*
add_symbol
(
const
char
*
name
,
enum
symbol_type
type
,
struct
string_list
*
defn
,
int
is_extern
);
void
export_symbol
(
const
char
*
);
...
...
@@ -66,6 +67,8 @@ void export_symbol(const char *);
void
free_node
(
struct
string_list
*
list
);
void
free_list
(
struct
string_list
*
s
,
struct
string_list
*
e
);
struct
string_list
*
copy_node
(
struct
string_list
*
);
struct
string_list
*
copy_list_range
(
struct
string_list
*
start
,
struct
string_list
*
end
);
int
yylex
(
void
);
int
yyparse
(
void
);
...
...
scripts/genksyms/lex.c_shipped
浏览文件 @
a88bab9a
此差异已折叠。
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scripts/genksyms/lex.l
浏览文件 @
a88bab9a
...
...
@@ -55,10 +55,6 @@ CHAR L?\'([^\\\']*\\.)*[^\\\']*\'
MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>)
/* Version 2 checksumming does proper tokenization; version 1 wasn't
quite so pedantic. */
%s V2_TOKENS
/* We don't do multiple input files. */
%option noyywrap
...
...
@@ -84,9 +80,9 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>)
recognized as tokens. We don't actually use them since we don't
parse expressions, but we do want whitespace to be arranged
around them properly. */
<V2_TOKENS>{MC_TOKEN}
return OTHER;
<V2_TOKENS>{INT}
return INT;
<V2_TOKENS>{REAL}
return REAL;
{MC_TOKEN}
return OTHER;
{INT}
return INT;
{REAL}
return REAL;
"..." return DOTS;
...
...
@@ -103,12 +99,23 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>)
/* Macros to append to our phrase collection list. */
/*
* We mark any token, that that equals to a known enumerator, as
* SYM_ENUM_CONST. The parser will change this for struct and union tags later,
* the only problem is struct and union members:
* enum e { a, b }; struct s { int a, b; }
* but in this case, the only effect will be, that the ABI checksums become
* more volatile, which is acceptable. Also, such collisions are quite rare,
* so far it was only observed in include/linux/telephony.h.
*/
#define _APP(T,L) do { \
cur_node = next_node; \
next_node = xmalloc(sizeof(*next_node)); \
next_node->next = cur_node; \
cur_node->string = memcpy(xmalloc(L+1), T, L+1); \
cur_node->tag = SYM_NORMAL; \
cur_node->tag = \
find_symbol(cur_node->string, SYM_ENUM_CONST, 1)?\
SYM_ENUM_CONST : SYM_NORMAL ; \
} while (0)
#define APP _APP(yytext, yyleng)
...
...
@@ -134,7 +141,6 @@ yylex(void)
if (lexstate == ST_NOTSTARTED)
{
BEGIN(V2_TOKENS);
next_node = xmalloc(sizeof(*next_node));
next_node->next = NULL;
lexstate = ST_NORMAL;
...
...
@@ -187,8 +193,8 @@ repeat:
case STRUCT_KEYW:
case UNION_KEYW:
dont_want_brace_phrase = 3;
case ENUM_KEYW:
dont_want_brace_phrase = 3;
suppress_type_lookup = 2;
goto fini;
...
...
@@ -198,8 +204,7 @@ repeat:
}
if (!suppress_type_lookup)
{
struct symbol *sym = find_symbol(yytext, SYM_TYPEDEF);
if (sym && sym->type == SYM_TYPEDEF)
if (find_symbol(yytext, SYM_TYPEDEF, 1))
token = TYPE;
}
}
...
...
@@ -318,7 +323,20 @@ repeat:
++count;
APP;
goto repeat;
case ')': case ']': case '}':
case '}':
/* is this the last line of an enum declaration? */
if (count == 0)
{
/* Put back the token we just read so's we can find it again
after registering the expression. */
unput(token);
lexstate = ST_NORMAL;
token = EXPRESSION_PHRASE;
break;
}
/* FALLTHRU */
case ')': case ']':
--count;
APP;
goto repeat;
...
...
scripts/genksyms/parse.c_shipped
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scripts/genksyms/parse.h_shipped
浏览文件 @
a88bab9a
/* A Bison parser, made by GNU Bison 2.3. */
/*
Skeleton interface for Bison's Yacc-like parsers in C
/*
A Bison parser, made by GNU Bison 2.4.1. */
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
/* Skeleton interface for Bison's Yacc-like parsers in C
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This program is free software
;
you can redistribute it and/or modify
This program is free software
:
you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation
; either version 2, or (at your option)
any later version.
the Free Software Foundation
, either version 3 of the License, or
(at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* As a special exception, you may create a larger work that contains
part or all of the Bison parser skeleton and distribute that work
...
...
@@ -29,10 +28,11 @@
special exception, which will cause the skeleton and the resulting
Bison output files to be licensed under the GNU General Public
License without this special exception.
This special exception was added by the Free Software Foundation in
version 2.2 of Bison. */
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
...
...
@@ -82,58 +82,16 @@
FILENAME = 298
};
#endif
/* Tokens. */
#define ASM_KEYW 258
#define ATTRIBUTE_KEYW 259
#define AUTO_KEYW 260
#define BOOL_KEYW 261
#define CHAR_KEYW 262
#define CONST_KEYW 263
#define DOUBLE_KEYW 264
#define ENUM_KEYW 265
#define EXTERN_KEYW 266
#define EXTENSION_KEYW 267
#define FLOAT_KEYW 268
#define INLINE_KEYW 269
#define INT_KEYW 270
#define LONG_KEYW 271
#define REGISTER_KEYW 272
#define RESTRICT_KEYW 273
#define SHORT_KEYW 274
#define SIGNED_KEYW 275
#define STATIC_KEYW 276
#define STRUCT_KEYW 277
#define TYPEDEF_KEYW 278
#define UNION_KEYW 279
#define UNSIGNED_KEYW 280
#define VOID_KEYW 281
#define VOLATILE_KEYW 282
#define TYPEOF_KEYW 283
#define EXPORT_SYMBOL_KEYW 284
#define ASM_PHRASE 285
#define ATTRIBUTE_PHRASE 286
#define BRACE_PHRASE 287
#define BRACKET_PHRASE 288
#define EXPRESSION_PHRASE 289
#define CHAR 290
#define DOTS 291
#define IDENT 292
#define INT 293
#define REAL 294
#define STRING 295
#define TYPE 296
#define OTHER 297
#define FILENAME 298
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef int YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
extern YYSTYPE yylval;
scripts/genksyms/parse.y
浏览文件 @
a88bab9a
...
...
@@ -25,6 +25,7 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "genksyms.h"
static int is_typedef;
...
...
@@ -227,16 +228,19 @@ type_specifier:
add_symbol(i->string, SYM_UNION, s, is_extern);
$$ = $3;
}
| ENUM_KEYW IDENT
BRACE_PHRASE
| ENUM_KEYW IDENT
enum_body
{ struct string_list *s = *$3, *i = *$2, *r;
r = copy_node(i); r->tag = SYM_ENUM;
r->next = (*$1)->next; *$3 = r; (*$1)->next = NULL;
add_symbol(i->string, SYM_ENUM, s, is_extern);
$$ = $3;
}
/* Anonymous s/u/e definitions. Nothing needs doing. */
| ENUM_KEYW BRACE_PHRASE { $$ = $2; }
/*
* Anonymous enum definition. Tell add_symbol() to restart its counter.
*/
| ENUM_KEYW enum_body
{ add_symbol(NULL, SYM_ENUM, NULL, 0); $$ = $2; }
/* Anonymous s/u definitions. Nothing needs doing. */
| STRUCT_KEYW class_body { $$ = $2; }
| UNION_KEYW class_body { $$ = $2; }
;
...
...
@@ -449,6 +453,28 @@ attribute_opt:
| attribute_opt ATTRIBUTE_PHRASE
;
enum_body:
'{' enumerator_list '}' { $$ = $3; }
| '{' enumerator_list ',' '}' { $$ = $4; }
;
enumerator_list:
enumerator
| enumerator_list ',' enumerator
enumerator:
IDENT
{
const char *name = strdup((*$1)->string);
add_symbol(name, SYM_ENUM_CONST, NULL, 0);
}
| IDENT '=' EXPRESSION_PHRASE
{
const char *name = strdup((*$1)->string);
struct string_list *expr = copy_list_range(*$3, *$2);
add_symbol(name, SYM_ENUM_CONST, expr, 0);
}
asm_definition:
ASM_PHRASE ';' { $$ = $2; }
;
...
...
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