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api.location.type: support it in C

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Reported by Balázs Scheidler.

* data/skeletons/c.m4 (b4_location_type_define): Use api.location.type
if defined.
* doc/bison.texi: Document it.
* tests/local.at (AT_C_IF, AT_LANG_CASE): New.
Support Span in C.
* tests/calc.at (Span): Convert it to be usable in C and C++.
Check api.location.type with yacc.c and glr.c.
This commit is contained in:
Akim Demaille
2019-04-22 19:24:11 +02:00
parent 971e72514f
commit 9260e5ca4f
7 changed files with 58 additions and 22 deletions
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4
data/skeletons/bison.m4
View File

@@ -1078,10 +1078,10 @@ m4_define_default([b4_location_initial_line], [1])
## Sanity checks. ##
## --------------- ##
# api.location.prefix={...} (Java and C++).
# api.location.type={...} (C, C++ and Java).
b4_percent_define_check_kind([api.location.type], [code], [deprecated])
# api.position.prefix={...} (Java).
# api.position.type={...} (Java).
b4_percent_define_check_kind([api.position.type], [code], [deprecated])
# api.prefix >< %name-prefix.

7
data/skeletons/c.m4
View File

@@ -730,7 +730,10 @@ typedef ]b4_percent_define_get([[api.value.type]])[ ]b4_api_PREFIX[STYPE;
# -----------------------
m4_define([b4_location_type_define],
[[/* Location type. */
#if ! defined ]b4_api_PREFIX[LTYPE && ! defined ]b4_api_PREFIX[LTYPE_IS_DECLARED
]b4_percent_define_ifdef([[api.location.type]],
[[typedef ]b4_percent_define_get([[api.location.type]])[ ]b4_api_PREFIX[LTYPE;
]],
[[#if ! defined ]b4_api_PREFIX[LTYPE && ! defined ]b4_api_PREFIX[LTYPE_IS_DECLARED
typedef struct ]b4_api_PREFIX[LTYPE ]b4_api_PREFIX[LTYPE;
struct ]b4_api_PREFIX[LTYPE
{
@@ -742,7 +745,7 @@ struct ]b4_api_PREFIX[LTYPE
# define ]b4_api_PREFIX[LTYPE_IS_DECLARED 1
# define ]b4_api_PREFIX[LTYPE_IS_TRIVIAL 1
#endif
]])
]])])
# b4_declare_yylstype