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c++: compute the header guards.

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This is a frequent request.  Recently pointed out by Wei Song,
<http://lists.gnu.org/archive/html/help-bison/2012-05/msg00002.html>.

* data/c.m4 (b4_tocpp, b4_cpp_guard, b4_cpp_guard_open)
(b4_cpp_guard_close): New.
* data/lalr1.cc, data/location.cc, data/stack.hh: Use them.
* TODO (Header Guards): Move to...
* NEWS: here.
Formatting changes.
This commit is contained in:
Akim Demaille
2012-05-21 14:21:51 +02:00
parent a19728cbb5
commit 22172d4731
7 changed files with 63 additions and 23 deletions
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11
data/lalr1.cc
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@@ -37,7 +37,6 @@ b4_defines_if(
[@output(b4_spec_defines_file@)@
b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++],
[2002-2012])
dnl FIXME: This is wrong, we want computed header guards.
[
/**
** \file ]b4_spec_defines_file[
@@ -46,8 +45,7 @@ dnl FIXME: This is wrong, we want computed header guards.
/* C++ LALR(1) parser skeleton written by Akim Demaille. */
#ifndef PARSER_HEADER_H
# define PARSER_HEADER_H
]b4_cpp_guard_open([b4_spec_defines_file])[
]b4_percent_code_get([[requires]])[
@@ -283,10 +281,9 @@ b4_user_stype
/* Redirection for backward compatibility. */
# define YYSTYPE b4_namespace_ref::b4_parser_class_name::semantic_type
#endif
])
b4_percent_code_get([[provides]])[]dnl
[#endif /* ! defined PARSER_HEADER_H */]
])[
]b4_percent_code_get([[provides]])[
]b4_cpp_guard_close([b4_spec_defines_file])
])dnl
@output(b4_parser_file_name@)@
b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++],