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yacc.c: simplify initialization of push parsers

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The previous commit ("yacc.c: declare and initialize and the same
time") made b4_initialize_parser_state_variables useless.

* data/skeletons/yacc.c (b4_initialize_parser_state_variables): Inline
into...
(yypstate_clear): here.
This commit is contained in:
Akim Demaille
2020-06-28 15:08:15 +02:00
parent b91566edd1
commit ed10c308fa
1 changed files with 13 additions and 21 deletions
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34
data/skeletons/yacc.c
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@@ -219,26 +219,6 @@ m4_define([b4_declare_parser_state_variables],
[ : YYMAXDEPTH])])[;]])]) [ : YYMAXDEPTH])])[;]])])
# b4_initialize_parser_state_variables
# ------------------------------------
# Initialize these variables.
m4_define([b4_initialize_parser_state_variables],
[[ yynerrs = 0;
yystate = 0;
yyerrstatus = 0;
yystacksize = YYINITDEPTH;
yyssp = yyss = yyssa;
yyvsp = yyvs = yyvsa;]b4_locations_if([[
yylsp = yyls = yylsa;]])[]b4_lac_if([[
yyes = yyesa;
yyes_capacity = ]b4_percent_define_get([[parse.lac.es-capacity-initial]])[;
if (YYMAXDEPTH < yyes_capacity)
yyes_capacity = YYMAXDEPTH;]])[
]])
m4_define([b4_macro_define], m4_define([b4_macro_define],
[[#]define $1 $2]) [[#]define $1 $2])
@@ -1479,7 +1459,19 @@ yypull_parse (yypstate *yyps]b4_user_formals[)
static void static void
yypstate_clear (yypstate *yyps) yypstate_clear (yypstate *yyps)
{ {
]b4_initialize_parser_state_variables[ yynerrs = 0;
yystate = 0;
yyerrstatus = 0;
yystacksize = YYINITDEPTH;
yyssp = yyss = yyssa;
yyvsp = yyvs = yyvsa;]b4_locations_if([[
yylsp = yyls = yylsa;]])[]b4_lac_if([[
yyes = yyesa;
yyes_capacity = ]b4_percent_define_get([[parse.lac.es-capacity-initial]])[;
if (YYMAXDEPTH < yyes_capacity)
yyes_capacity = YYMAXDEPTH;]])[
/* Initialize the state stack, in case yypcontext_expected_tokens is /* Initialize the state stack, in case yypcontext_expected_tokens is
called before the first call to yyparse. */ called before the first call to yyparse. */
*yyssp = 0; *yyssp = 0;