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glr2.cc: remove dead comments

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* data/skeletons/glr2.cc: We no longer wrap glr.c here.
This commit is contained in:
Akim Demaille
2020-12-26 11:22:02 +01:00
parent 9466c734c5
commit 3e6826aff1
1 changed files with 0 additions and 18 deletions
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18
data/skeletons/glr2.cc
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@@ -23,24 +23,6 @@ m4_define([b4_tname_if],
[b4_token_table_if([$1],
[$2])])])
# This skeleton produces a C++ class that encapsulates a C glr parser.
# This is in order to reduce the maintenance burden. The glr.c
# skeleton is clean and pure enough so that there are no real
# problems. The C++ interface is the same as that of lalr1.cc. In
# fact, glr.c can replace yacc.c without the user noticing any
# difference, and similarly for glr.cc replacing lalr1.cc.
#
# The passing of parse-params
#
# The additional arguments are stored as members of the parser
# object, yyparser. The C routines need to carry yyparser
# throughout the C parser; that's easy: make yyparser an
# additional parse-param. But because the C++ skeleton needs to
# know the "real" original parse-param, we save them
# (b4_parse_param_orig). Note that b4_parse_param is overquoted
# (and c.m4 strips one level of quotes). This is a PITA, and
# explains why there are so many levels of quotes.
# We require a pure interface.
m4_define([b4_pure_flag], [1])