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style: comment changes in the skeletons

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* data/skeletons/lalr1.cc: Prepare for Java's LAC.
* data/skeletons/lalr1.java: Style fixes.
This commit is contained in:
Akim Demaille
2020-11-01 15:32:24 +01:00
parent 57848d9262
commit 042b916c0e
4 changed files with 55 additions and 47 deletions
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20
data/skeletons/lalr1.cc
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@@ -20,8 +20,7 @@ m4_include(b4_skeletonsdir/[c++.m4])
# api.value.type=variant is valid.
m4_define([b4_value_type_setup_variant])
# Check the value of %define parse.lac, where LAC stands for lookahead
# correction.
# parse.lac
b4_percent_define_default([[parse.lac]], [[none]])
b4_percent_define_check_values([[[[parse.lac]], [[full]], [[none]]]])
b4_define_flag_if([lac])
@@ -851,8 +850,8 @@ m4_if(b4_prefix, [yy], [],
/// The return value of parse ().
int yyresult;]b4_lac_if([[
/// Discard the LAC context in case there still is one left from a
/// previous invocation.
// Discard the LAC context in case there still is one left from a
// previous invocation.
yy_lac_discard_ ("init");]])[
#if YY_EXCEPTIONS
@@ -935,7 +934,7 @@ b4_dollar_popdef])[]dnl
if (yyn < 0 || yylast_ < yyn || yycheck_[yyn] != yyla.kind ())
{]b4_lac_if([[
if (!yy_lac_establish_ (yyla.kind ()))
goto yyerrlab;]])[
goto yyerrlab;]])[
goto yydefault;
}
@@ -946,7 +945,7 @@ b4_dollar_popdef])[]dnl
if (yy_table_value_is_error_ (yyn))
goto yyerrlab;]b4_lac_if([[
if (!yy_lac_establish_ (yyla.kind ()))
goto yyerrlab;
goto yyerrlab;
]])[
yyn = -yyn;
goto yyreduce;
@@ -1442,7 +1441,9 @@ b4_dollar_popdef])[]dnl
follows. If no initial context is currently established for the
current lookahead, then check if that lookahead can eventually be
shifted if syntactic actions continue from the current context. */
if (!yy_lac_established_)
if (yy_lac_established_)
return true;
else
{
#if ]b4_api_PREFIX[DEBUG
YYCDEBUG << "LAC: initial context established for "
@@ -1451,12 +1452,11 @@ b4_dollar_popdef])[]dnl
yy_lac_established_ = true;
return yy_lac_check_ (yytoken);
}
return true;
}
// Discard any previous initial lookahead context.
void
]b4_parser_class[::yy_lac_discard_ (const char* evt)
]b4_parser_class[::yy_lac_discard_ (const char* event)
{
/* Discard any previous initial lookahead context because of Event,
which may be a lookahead change or an invalidation of the currently
@@ -1472,7 +1472,7 @@ b4_dollar_popdef])[]dnl
if (yy_lac_established_)
{
YYCDEBUG << "LAC: initial context discarded due to "
<< evt << '\n';
<< event << '\n';
yy_lac_established_ = false;
}
}]])b4_parse_error_bmatch([detailed\|verbose], [[