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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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10
data/location.cc
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@@ -27,8 +27,7 @@ b4_copyright([Positions for Bison parsers in C++],
** Define the ]b4_namespace_ref[::position class.
*/
#ifndef BISON_POSITION_HH
# define BISON_POSITION_HH
]b4_cpp_guard_open([b4_dir_prefix[]position.hh])[
# include <iostream>
# include <string>
@@ -148,7 +147,7 @@ b4_copyright([Positions for Bison parsers in C++],
}
]b4_namespace_close[
#endif // not BISON_POSITION_HH]
]b4_cpp_guard_close([b4_dir_prefix[]position.hh])
@output(b4_dir_prefix[]location.hh@)@
b4_copyright([Locations for Bison parsers in C++],
[2002-2007, 2009-2012])[
@@ -158,8 +157,7 @@ b4_copyright([Locations for Bison parsers in C++],
** Define the ]b4_namespace_ref[::location class.
*/
#ifndef BISON_LOCATION_HH
# define BISON_LOCATION_HH
]b4_cpp_guard_open([b4_dir_prefix[]location.hh])[
# include <iostream>
# include <string>
@@ -295,6 +293,6 @@ b4_copyright([Locations for Bison parsers in C++],
]b4_namespace_close[
#endif // not BISON_LOCATION_HH]
]b4_cpp_guard_close([b4_dir_prefix[]location.hh])
m4_divert_pop(0)
m4_changecom([#])