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c++: always issue the "generated by" message

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Some users rely on this sentence to know that the file can be ignored.
Reported by Alexandre Duret-Lutz.

* data/bison.m4 (b4_generated_by): New.
(b4_copyright): Use it.
* data/location.cc, data/stack.hh: Use it too, for the stub files
(position.hh and stack.hh).
This commit is contained in:
Akim Demaille
2018-10-29 18:44:54 +01:00
parent c8512e09e7
commit bd0cf11e00
3 changed files with 9 additions and 2 deletions
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9
data/bison.m4
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@@ -22,12 +22,17 @@
## Identification. ## ## Identification. ##
## ---------------- ## ## ---------------- ##
# b4_generated_by
# ---------------
m4_define([b4_generated_by],
[b4_comment([A Bison parser, made by GNU Bison b4_version.])
])
# b4_copyright(TITLE, [YEARS]) # b4_copyright(TITLE, [YEARS])
# ---------------------------- # ----------------------------
# If YEARS are not defined, use b4_copyright_years. # If YEARS are not defined, use b4_copyright_years.
m4_define([b4_copyright], m4_define([b4_copyright],
[b4_comment([A Bison parser, made by GNU Bison b4_version.]) [b4_generated_by
b4_comment([$1 b4_comment([$1
]m4_dquote(m4_text_wrap([Copyright (C) ]m4_dquote(m4_text_wrap([Copyright (C)

1
data/location.cc
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@@ -322,6 +322,7 @@ m4_define([b4_location_define],
m4_ifdef([b4_position_file], [[ m4_ifdef([b4_position_file], [[
]b4_output_begin([b4_dir_prefix], [b4_position_file])[ ]b4_output_begin([b4_dir_prefix], [b4_position_file])[
]b4_generated_by[
// Starting with Bison 3.2, this file is useless: the structure it // Starting with Bison 3.2, this file is useless: the structure it
// used to define is now defined in "]b4_location_file[". // used to define is now defined in "]b4_location_file[".
// //

1
data/stack.hh
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@@ -148,6 +148,7 @@ m4_define([b4_stack_define],
m4_ifdef([b4_stack_file], m4_ifdef([b4_stack_file],
[b4_output_begin([b4_dir_prefix], [b4_stack_file])[ [b4_output_begin([b4_dir_prefix], [b4_stack_file])[
]b4_generated_by[
// Starting with Bison 3.2, this file is useless: the structure it // Starting with Bison 3.2, this file is useless: the structure it
// used to define is now defined with the parser itself. // used to define is now defined with the parser itself.
// //