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This commit is contained in:
Akim Demaille
2020-01-17 06:49:45 +01:00
parent ece99a890c
commit a1aef9825a
2 changed files with 28 additions and 10 deletions
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36
src/parse-gram.c
View File

@@ -1,4 +1,4 @@
/* A Bison parser, made by GNU Bison 3.5.22-948cd-dirty. */
/* A Bison parser, made by GNU Bison 3.5.49-3790-dirty. */
/* Bison implementation for Yacc-like parsers in C
@@ -48,7 +48,7 @@
#define YYBISON 1
/* Bison version. */
#define YYBISON_VERSION "3.5.22-948cd-dirty"
#define YYBISON_VERSION "3.5.49-3790-dirty"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
@@ -552,6 +552,15 @@ static const char *const yytname[] =
"named_ref.opt", "variable", "value", "id", "id_colon", "symbol",
"string_as_id", "string_as_id.opt", "epilogue.opt", YY_NULLPTR
};
/* The user-facing name of the symbol whose (internal) number is
YYSYMBOL. No bounds checking. */
static const char *yysymbol_name (int yysymbol) YY_ATTRIBUTE_UNUSED;
static const char *
yysymbol_name (int yysymbol)
{
return yytname[yysymbol];
}
#endif
# ifdef YYPRINT
@@ -794,8 +803,9 @@ static const yytype_int8 yyr2[] =
} \
while (0)
/* Error token number */
/* Error symbol internal number. */
#define YYTERROR 1
/* Error token external number. */
#define YYERRCODE 256
@@ -1293,7 +1303,7 @@ do { \
{ \
YYDPRINTF ((stderr, \
"LAC: initial context established for %s\n", \
yytname[yytoken])); \
yysymbol_name(yytoken))); \
yy_lac_established = 1; \
{ \
int yy_lac_status = \
@@ -1345,7 +1355,8 @@ yy_lac (yy_state_t *yyesa, yy_state_t **yyes,
{
yy_state_t *yyes_prev = yyssp;
yy_state_t *yyesp = yyes_prev;
YYDPRINTF ((stderr, "LAC: checking lookahead %s:", yytname[yytoken]));
/* Reduce until we encounter a shift and thereby accept the token. */
YYDPRINTF ((stderr, "LAC: checking lookahead %s:", yysymbol_name(yytoken)));
if (yytoken == YYUNDEFTOK)
{
YYDPRINTF ((stderr, " Always Err\n"));
@@ -1358,6 +1369,7 @@ yy_lac (yy_state_t *yyesa, yy_state_t **yyes,
|| (yyrule += yytoken) < 0 || YYLAST < yyrule
|| yycheck[yyrule] != yytoken)
{
/* Use the default action. */
yyrule = yydefact[+*yyesp];
if (yyrule == 0)
{
@@ -1367,6 +1379,7 @@ yy_lac (yy_state_t *yyesa, yy_state_t **yyes,
}
else
{
/* Use the action from yytable. */
yyrule = yytable[yyrule];
if (yytable_value_is_error (yyrule))
{
@@ -1380,9 +1393,12 @@ yy_lac (yy_state_t *yyesa, yy_state_t **yyes,
}
yyrule = -yyrule;
}
/* By now we know we have to simulate a reduce. */
YYDPRINTF ((stderr, " R%d", yyrule - 1));
{
/* Pop the corresponding number of values from the stack. */
YYPTRDIFF_T yylen = yyr2[yyrule];
YYDPRINTF ((stderr, " R%d", yyrule - 1));
/* First pop from the LAC stack as many tokens as possible. */
if (yyesp != yyes_prev)
{
YYPTRDIFF_T yysize = yyesp - *yyes + 1;
@@ -1393,13 +1409,15 @@ yy_lac (yy_state_t *yyesa, yy_state_t **yyes,
}
else
{
yylen -= yysize;
yyesp = yyes_prev;
yylen -= yysize;
}
}
/* Only afterwards look at the main stack. */
if (yylen)
yyesp = yyes_prev -= yylen;
}
/* Push the resulting state of the reduction. */
{
yy_state_fast_t yystate;
{
@@ -1573,8 +1591,6 @@ yysyntax_error (YYPTRDIFF_T *yymsg_alloc, char **yymsg,
if (yytoken != YYEMPTY)
{
int yyn = yypact[+*yyssp];
YYPTRDIFF_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
yysize = yysize0;
YYDPRINTF ((stderr, "Constructing syntax error message\n"));
yyarg[yycount++] = yytname[yytoken];
if (!yypact_value_is_default (yyn))
@@ -1790,8 +1806,10 @@ YYLTYPE yylloc = yyloc_default;
yy_state_t *yyes;
YYPTRDIFF_T yyes_capacity;
/* Whether LAC context is established. A Boolean. */
int yy_lac_established = 0;
int yyn;
/* The return value of yyparse. */
int yyresult;
/* Lookahead token as an internal (translated) token number. */
int yytoken = 0;

2
src/parse-gram.h
View File

@@ -1,4 +1,4 @@
/* A Bison parser, made by GNU Bison 3.5.22-948cd-dirty. */
/* A Bison parser, made by GNU Bison 3.5.49-3790-dirty. */
/* Bison interface for Yacc-like parsers in C