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* data/bison.c++: Copy the prologue of bison.simple to fetch

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useful M4 definitions, such as b4_header_guard.
This commit is contained in:
Akim Demaille
2002-02-28 11:41:00 +00:00
parent dc2546ac9f
commit a75c057f10
2 changed files with 51 additions and 17 deletions
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60
data/bison.c++
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@@ -1,3 +1,31 @@
m4_divert(-1)
# m4_define_default(MACRO, VALUE)
# -------------------------------
# Define MACRO to VALUE, unless already defined.
m4_define([m4_define_default],
[m4_ifdef([$1], [], [m4_define($@)])])
m4_define_default([b4_input_suffix], [.y])
m4_define_default([b4_output_parser_suffix],
[m4_translit(b4_input_suffix, [yY], [cC])])
m4_define_default([b4_output_parser_name],
[b4_output_prefix[]b4_output_infix[]b4_output_parser_suffix[]])
m4_define_default([b4_output_header_suffix],
[m4_translit(b4_input_suffix, [yY], [hH])])
m4_define_default([b4_output_header_name],
[b4_output_prefix[]b4_output_infix[]b4_output_header_suffix[]])
m4_define_default([b4_header_guard],
[m4_bpatsubst(m4_toupper([BISON_]b4_output_header_name),
[[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]], [_])])
m4_divert(0)dnl
#output "b4_output_prefix[]b4_output_infix[]-class.hh"
/* -*- C++ -*- */
@@ -272,7 +300,7 @@ yy::b4_name::parse ()
}
else if (n_ == 0)
goto yyerrlab;
/* Accept? */
if (n_ == final_)
goto yyacceptlab;
@@ -326,7 +354,7 @@ yy::b4_name::parse ()
YYFPRINTF (stderr, "-> %s\n", name_[[r1_[n_]]]);
}
#endif
{
SemanticType& yyval (value);
LocationType& yyloc (location);
@@ -338,7 +366,7 @@ yy::b4_name::parse ()
b4_actions
}
}
state_stack_.pop (len_);
semantic_stack_.pop (len_);
location_stack_.pop (len_);
@@ -347,13 +375,13 @@ yy::b4_name::parse ()
if (debug_)
{
YYFPRINTF (stderr, "state stack now");
for (StateStack::ConstIterator i = state_stack_.begin ();
for (StateStack::ConstIterator i = state_stack_.begin ();
i != state_stack_.end (); ++i)
YYFPRINTF (stderr, " %d", *i);
YYFPRINTF (stderr, "\n");
}
#endif
semantic_stack_.push (value);
location_stack_.push (location);
@@ -372,7 +400,7 @@ yy::b4_name::parse ()
if (!errstatus)
{
++nerrs;
#if YYERROR_VERBOSE
n_ = pact_[[state_]];
if (n_ > flag_ && n_ < last_)
@@ -390,7 +418,7 @@ yy::b4_name::parse ()
for (int x = (n_ < 0 ? -n_ : 0); x < ntokens_ + nnts_; ++x)
if (check_[[x + n_]] == x)
{
message += (!count++) ? ", expecting " : " or ";
message += (!count++) ? ", expecting " : " or ";
message += name_[[x]];
}
}
@@ -402,7 +430,7 @@ yy::b4_name::parse ()
error_ ();
}
goto yyerrlab1;
/* Error raised explicitly by an action. */
yyerrlab1:
if (errstatus == 3)
@@ -436,10 +464,10 @@ yy::b4_name::parse ()
if (debug_)
{
YYFPRINTF (stderr, "Error: state stack now");
for (StateStack::ConstIterator i = state_stack_.begin ();
for (StateStack::ConstIterator i = state_stack_.begin ();
i != state_stack_.end (); ++i)
YYFPRINTF (stderr, " %d", *i);
YYFPRINTF (stderr, "\n");
YYFPRINTF (stderr, "\n");
}
#endif
@@ -541,14 +569,14 @@ yy::b4_name::check_[[]] =
};
/* YYR1[[YYN]] -- Symbol number of symbol that rule YYN derives. */
const short
const short
yy::b4_name::r1_[[]] =
{
b4_r1
};
/* YYR2[[YYN]] -- Number of symbols composing right hand side of rule YYN. */
const short
const short
yy::b4_name::r2_[[]] =
{
b4_r2
@@ -566,7 +594,7 @@ const yy::b4_name::name_[[]] =
#if YYDEBUG
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
const short
const short
yy::b4_name::rhs_[[]] =
{
b4_rhs
@@ -592,8 +620,8 @@ yy::b4_name::rline_[[]] =
char
yy::b4_name::translate_ (int token)
{
static
const char
static
const char
translate_[[]] =
{
b4_translate
@@ -669,7 +697,7 @@ namespace yy
for (; n; --n)
seq_.pop_back ();
}
inline
void
reserve (unsigned n)