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api.prefix.

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* data/c.m4 (b4_api_prefix, b4_api_PREFIX): New.
(b4_prefix, b4_union_name, b4_token_enums, b4_declare_yylstype): Use them.
* data/glr.c, data/yacc.c, data/glr.cc, data/lalr1.cc: Use them to change
the prefix of exported preprocessor symbols.
* src/getargs.c (usage): Ditto.
* tests/headers.at (Several parsers): New.
* tests/local.at (AT_API_PREFIX): New.
AT_YYSTYPE, AT_YYLTYPE): Adjust.
* doc/bison.texi (Multiple Parsers): Move documentation of %name-prefix to...
(Table of Symbols): here.
(Multiple Parsers): Document api.prefix.
(%define Summary): Point to it.
Use @code for variable names.
(Bison Options): -p/--name-prefix are obsoleted.
* NEWS: Announce api.prefix.
This commit is contained in:
Akim Demaille
2012-06-26 10:09:10 +02:00
parent 087dcd7868
commit 4b3847c3c0
10 changed files with 320 additions and 96 deletions
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67
data/c.m4
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@@ -84,11 +84,24 @@ m4_define([b4_identification],
## Default values. ##
## ---------------- ##
# If the %union is not named, its name is YYSTYPE.
m4_define_default([b4_union_name], [YYSTYPE])
# b4_api_prefix, b4_api_PREFIX
# ----------------------------
# Corresponds to %define api.prefix
b4_percent_define_default([[api.prefix]], [[yy]])
m4_define([b4_api_prefix],
[b4_percent_define_get([[api.prefix]])])
m4_define([b4_api_PREFIX],
[m4_toupper(b4_api_prefix)])
# b4_prefix
# ---------
# If the %name-prefix is not given, it is api.prefix.
m4_define_default([b4_prefix], [b4_api_prefix])
# If the %union is not named, its name is YYSTYPE.
m4_define_default([b4_union_name], [b4_api_PREFIX[]STYPE])
# If the %name-prefix is not given, it is yy.
m4_define_default([b4_prefix], [yy])
## ------------------------ ##
## Pure/impure interfaces. ##
@@ -232,18 +245,18 @@ m4_define([b4_token_enum],
# Output the definition of the tokens (if there are) as enums.
m4_define([b4_token_enums],
[m4_if([$#$1], [1], [],
[/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
[[/* Tokens. */
#ifndef ]b4_api_PREFIX[TOKENTYPE
# define ]b4_api_PREFIX[TOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype {
m4_map_sep([ b4_token_enum], [,
enum ]b4_api_prefix[tokentype {
]m4_map_sep([ b4_token_enum], [,
],
[$@])
[$@])[
};
#endif
])])
]])])
# b4_token_enums_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)
@@ -533,39 +546,39 @@ b4_locations_if([, yylocationp])[]b4_user_args[);
## -------------- ##
# b4_declare_yylstype
# ------------------
# -------------------
# Declarations that might either go into the header (if --defines) or
# in the parser body. Declare YYSTYPE/YYLTYPE, and yylval/yylloc.
m4_define([b4_declare_yylstype],
[[#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
[[#if ! defined ]b4_api_PREFIX[STYPE && ! defined ]b4_api_PREFIX[STYPE_IS_DECLARED
]m4_ifdef([b4_stype],
[[typedef union ]b4_union_name[
{
]b4_user_stype[
} YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1]],
} ]b4_api_PREFIX[STYPE;
# define ]b4_api_PREFIX[STYPE_IS_TRIVIAL 1]],
[m4_if(b4_tag_seen_flag, 0,
[[typedef int YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1]])])[
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
[[typedef int ]b4_api_PREFIX[STYPE;
# define ]b4_api_PREFIX[STYPE_IS_TRIVIAL 1]])])[
# define ]b4_api_prefix[stype ]b4_api_PREFIX[STYPE /* obsolescent; will be withdrawn */
# define ]b4_api_PREFIX[STYPE_IS_DECLARED 1
#endif]b4_locations_if([[
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE
#if ! defined ]b4_api_PREFIX[LTYPE && ! defined ]b4_api_PREFIX[LTYPE_IS_DECLARED
typedef struct ]b4_api_PREFIX[LTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
} YYLTYPE;
# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
} ]b4_api_PREFIX[LTYPE;
# define ]b4_api_prefix[ltype ]b4_api_PREFIX[LTYPE /* obsolescent; will be withdrawn */
# define ]b4_api_PREFIX[LTYPE_IS_DECLARED 1
# define ]b4_api_PREFIX[LTYPE_IS_TRIVIAL 1
#endif]])
b4_pure_if([], [[extern YYSTYPE ]b4_prefix[lval;
]b4_locations_if([[extern YYLTYPE ]b4_prefix[lloc;]])])[]dnl
b4_pure_if([], [[extern ]b4_api_PREFIX[STYPE ]b4_prefix[lval;
]b4_locations_if([[extern ]b4_api_PREFIX[LTYPE ]b4_prefix[lloc;]])])[]dnl
])
# b4_declare_yydebug