m4_if(b4_defines_flag, 0, [],
[@output @output_header_name@
b4_copyright([C++ Skeleton parser for LALR(1) parsing with Bison],
m4_if(b4_defines_flag, 0, [],
[@output @output_header_name@
b4_copyright([C++ Skeleton parser for LALR(1) parsing with Bison],
+ /// \brief Report a symbol value on the debug stream.
+ /// \param yytype The token type.
+ /// \param yyvaluep Its semantic value.
+ /// \param yylocationp Its location.
+ virtual void yy_symbol_value_print_ (int yytype,
+ const semantic_type* yyvaluep,
+ const location_type* yylocationp);
/// \brief Report a symbol on the debug stream.
/// \param yytype The token type.
/// \param yyvaluep Its semantic value.
/// \param yylocationp Its location.
/// \brief Report a symbol on the debug stream.
/// \param yytype The token type.
/// \param yyvaluep Its semantic value.
/// \param yylocationp Its location.
- virtual void yysymprint_ (int yytype,
- const semantic_type* yyvaluep,
- const location_type* yylocationp);
+ virtual void yy_symbol_print_ (int yytype,
+ const semantic_type* yyvaluep,
+ const location_type* yylocationp);
/// For each scanner token number, its symbol number.
static const ]b4_int_type_for([b4_toknum])[ yytoken_number_[];
/// Report on the debug stream that the rule \a r is going to be reduced.
/// For each scanner token number, its symbol number.
static const ]b4_int_type_for([b4_toknum])[ yytoken_number_[];
/// Report on the debug stream that the rule \a r is going to be reduced.
/// \param yyvaluep Its semantic value.
/// \param yylocationp Its location.
inline void yydestruct_ (const char* yymsg,
/// \param yyvaluep Its semantic value.
/// \param yylocationp Its location.
inline void yydestruct_ (const char* yymsg,
m4_if(b4_prefix[], [yy], [],
[
// Take the name prefix into account.
m4_if(b4_prefix[], [yy], [],
[
// Take the name prefix into account.
+ }
+
+
+ void
+ ]b4_parser_class_name[::yy_symbol_print_ (int yytype,
+ const semantic_type* yyvaluep, const location_type* yylocationp)
+ {
+ *yycdebug_ << (yytype < yyntokens_ ? "token" : "nterm")
+ << ' ' << yytname_[yytype] << " ("
+ << *yylocationp << ": ";
+ yy_symbol_value_print_ (yytype, yyvaluep, yylocationp);
]m4_ifdef([b4_initial_action], [
m4_pushdef([b4_at_dollar], [yylloc])dnl
m4_pushdef([b4_dollar_dollar], [yylval])dnl
]m4_ifdef([b4_initial_action], [
m4_pushdef([b4_at_dollar], [yylloc])dnl
m4_pushdef([b4_dollar_dollar], [yylval])dnl
- YYCDEBUG << "Reading a token: ";
- yychar = ]b4_c_function_call([yylex], [int],
- [[YYSTYPE*], [&yylval]][]dnl
+ YYCDEBUG << "Reading a token: ";
+ yychar = ]b4_c_function_call([yylex], [int],
+ [[YYSTYPE*], [&yylval]][]dnl
b4_location_if([, [[location*], [&yylloc]]])dnl
m4_ifdef([b4_lex_param], [, ]b4_lex_param))[;
}
b4_location_if([, [[location*], [&yylloc]]])dnl
m4_ifdef([b4_lex_param], [, ]b4_lex_param))[;
}
- yytoken = yytranslate_ (yychar);
- YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+ yytoken = yytranslate_ (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
- /* If just tried and failed to reuse look-ahead token after an
- error, discard it. */
-
- if (yychar <= yyeof_)
- {
- /* Return failure if at end of input. */
- if (yychar == yyeof_)
- YYABORT;
- }
- else
- {
- yydestruct_ ("Error: discarding", yytoken, &yylval, &yylloc);
- yychar = yyempty_;
- }
+ /* If just tried and failed to reuse look-ahead token after an
+ error, discard it. */
+
+ if (yychar <= yyeof_)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == yyeof_)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct_ ("Error: discarding", yytoken, &yylval, &yylloc);
+ yychar = yyempty_;
+ }
- yyn = yypact_[yystate];
- if (yyn != yypact_ninf_)
- {
- yyn += yyterror_;
- if (0 <= yyn && yyn <= yylast_ && yycheck_[yyn] == yyterror_)
- {
- yyn = yytable_[yyn];
- if (0 < yyn)
- break;
- }
- }
-
- /* Pop the current state because it cannot handle the error token. */
- if (yystate_stack_.height () == 1)
- YYABORT;
-
- yyerror_range[0] = yylocation_stack_[0];
- yydestruct_ ("Error: popping",
- yystos_[yystate],
- &yysemantic_stack_[0], &yylocation_stack_[0]);
- yypop_ ();
- yystate = yystate_stack_[0];
- YY_STACK_PRINT ();
+ yyn = yypact_[yystate];
+ if (yyn != yypact_ninf_)
+ {
+ yyn += yyterror_;
+ if (0 <= yyn && yyn <= yylast_ && yycheck_[yyn] == yyterror_)
+ {
+ yyn = yytable_[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
+
+ /* Pop the current state because it cannot handle the error token. */
+ if (yystate_stack_.height () == 1)
+ YYABORT;
+
+ yyerror_range[0] = yylocation_stack_[0];
+ yydestruct_ ("Error: popping",
+ yystos_[yystate],
+ &yysemantic_stack_[0], &yylocation_stack_[0]);
+ yypop_ ();
+ yystate = yystate_stack_[0];
+ YY_STACK_PRINT ();
yyerror_range[1] = yylloc;
// Using YYLLOC is tempting, but would change the location of
// the look-ahead. YYLOC is available though.
yyerror_range[1] = yylloc;
// Using YYLLOC is tempting, but would change the location of
// the look-ahead. YYLOC is available though.
if (yychar != yyeof_ && yychar != yyempty_)
yydestruct_ ("Cleanup: discarding lookahead", yytoken, &yylval, &yylloc);
if (yychar != yyeof_ && yychar != yyempty_)
yydestruct_ ("Cleanup: discarding lookahead", yytoken, &yylval, &yylloc);
- yydestruct_ ("Cleanup: popping",
- yystos_[yystate_stack_[0]],
- &yysemantic_stack_[0],
- &yylocation_stack_[0]);
- yypop_ ();
+ yydestruct_ ("Cleanup: popping",
+ yystos_[yystate_stack_[0]],
+ &yysemantic_stack_[0],
+ &yylocation_stack_[0]);
+ yypop_ ();
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- int yyxbegin = yyn < 0 ? -yyn : 0;
-
- /* Stay within bounds of both yycheck and yytname. */
- int yychecklim = yylast_ - yyn;
- int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
- int count = 0;
- for (int x = yyxbegin; x < yyxend; ++x)
- if (yycheck_[x + yyn] == x && x != yyterror_)
- ++count;
-
- // FIXME: This method of building the message is not compatible
- // with internationalization. It should work like yacc.c does it.
- // That is, first build a string that looks like this:
- // "syntax error, unexpected %s or %s or %s"
- // Then, invoke YY_ on this string.
- // Finally, use the string as a format to output
- // yytname_[tok], etc.
- // Until this gets fixed, this message appears in English only.
- res = "syntax error, unexpected ";
- res += yytnamerr_ (yytname_[tok]);
- if (count < 5)
- {
- count = 0;
- for (int x = yyxbegin; x < yyxend; ++x)
- if (yycheck_[x + yyn] == x && x != yyterror_)
- {
- res += (!count++) ? ", expecting " : " or ";
- res += yytnamerr_ (yytname_[x]);
- }
- }
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = yylast_ - yyn;
+ int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
+ int count = 0;
+ for (int x = yyxbegin; x < yyxend; ++x)
+ if (yycheck_[x + yyn] == x && x != yyterror_)
+ ++count;
+
+ // FIXME: This method of building the message is not compatible
+ // with internationalization. It should work like yacc.c does it.
+ // That is, first build a string that looks like this:
+ // "syntax error, unexpected %s or %s or %s"
+ // Then, invoke YY_ on this string.
+ // Finally, use the string as a format to output
+ // yytname_[tok], etc.
+ // Until this gets fixed, this message appears in English only.
+ res = "syntax error, unexpected ";
+ res += yytnamerr_ (yytname_[tok]);
+ if (count < 5)
+ {
+ count = 0;
+ for (int x = yyxbegin; x < yyxend; ++x)
+ if (yycheck_[x + yyn] == x && x != yyterror_)
+ {
+ res += (!count++) ? ", expecting " : " or ";
+ res += yytnamerr_ (yytname_[x]);
+ }
+ }
- << " (line " << yylno << "), ";
- for (]b4_int_type_for([b4_prhs])[ i = yyprhs_[yyrule];
- 0 <= yyrhs_[i]; ++i)
- *yycdebug_ << yytname_[yyrhs_[i]] << ' ';
- *yycdebug_ << "-> " << yytname_[yyr1_[yyrule]] << std::endl;
+ << " (line " << yylno << "), ";
+ /* The symbols being reduced. */
+ for (int yyi = 0; yyi < yynrhs; yyi++)
+ YY_SYMBOL_PRINT (" $" << yyi + 1 << " =",
+ yyrhs_[yyprhs_[yyrule] + yyi],
+ &]b4_rhs_value(yynrhs, yyi + 1)[,
+ &]b4_rhs_location(yynrhs, yyi + 1)[);
-b4_copyright([stack handling for Bison C++ parsers], [2002, 2003, 2004, 2005])[
+b4_copyright([stack handling for Bison C++ parsers],
+ [2002, 2003, 2004, 2005, 2006])[
projects / bison.git / blobdiff