m4_include(b4_pkgdatadir/[c++.m4])
-# b4_subtract(LHS, RHS)
-# ---------------------
-# Evaluate LHS - RHS if they are integer literals, otherwise expand
-# to (LHS) - (RHS).
-m4_define([b4_subtract],
-[m4_bmatch([$1$2], [^[0123456789]*$],
- [m4_eval([$1 - $2])],
- [($1) - ($2)])])
-
-
-# b4_args(ARG1, ...)
-# _b4_args(ARG1, ...)
-# -------------------
-# Join with comma, skipping empty arguments.
-# b4_args calls itself recursively until it sees the first non-empty
-# argument, then calls _b4_args which prepends each non-empty argument
-# with a comma.
-m4_define([b4_args],
-[m4_if([$#$1],
- [1], [],
- [m4_ifval([$1],
- [$1[]_$0(m4_shift($@))],
- [$0(m4_shift($@))])])])
-
-# _b4_args(ARGS1, ...)
-# --------------------
-m4_define([_b4_args],
-[m4_if([$#$1],
- [1], [],
- [m4_ifval([$1], [, $1])[]$0(m4_shift($@))])])
+# b4_integral_parser_table_declare(TABLE-NAME, CONTENT, COMMENT)
+# --------------------------------------------------------------
+# Declare "parser::yy<TABLE-NAME>_" which contents is CONTENT.
+m4_define([b4_integral_parser_table_declare],
+[m4_ifval([$3], [b4_c_comment([$3], [ ])
+])dnl
+ static const b4_int_type_for([$2]) yy$1_[[]];dnl
+])
-# b4_table_define(TABLE-NAME, CONTENT)
-# ------------------------------------
+# b4_integral_parser_table_define(TABLE-NAME, CONTENT, COMMENT)
+# ---------------------------------------------
# Define "parser::yy<TABLE-NAME>_" which contents is CONTENT.
-m4_define([b4_table_define],
-[const b4_int_type_for([$2])
+m4_define([b4_integral_parser_table_define],
+[ const b4_int_type_for([$2])
b4_parser_class_name::yy$1_[[]] =
{
$2
- }dnl
+ };dnl
])
+
# b4_symbol_value_template(VAL, [TYPE])
# -------------------------------------
# Same as b4_symbol_value, but used in a template method.
/// Internal symbol numbers.
typedef ]b4_int_type_for([b4_translate])[ token_number_type;
- /* Tables. */
- /// For a state, the index in \a yytable_ of its portion.
- static const ]b4_int_type_for([b4_pact])[ yypact_[];
static const ]b4_int_type(b4_pact_ninf, b4_pact_ninf)[ yypact_ninf_;
-
- /// For a state, default rule to reduce.
- /// Unless\a yytable_ specifies something else to do.
- /// Zero means the default is an error.
- static const ]b4_int_type_for([b4_defact])[ yydefact_[];
-
- static const ]b4_int_type_for([b4_pgoto])[ yypgoto_[];
- static const ]b4_int_type_for([b4_defgoto])[ yydefgoto_[];
-
- /// What to do in a state.
- /// \a yytable_[yypact_[s]]: what to do in state \a s.
- /// - if positive, shift that token.
- /// - if negative, reduce the rule which number is the opposite.
- /// - if zero, do what YYDEFACT says.
- static const ]b4_int_type_for([b4_table])[ yytable_[];
static const ]b4_int_type(b4_table_ninf, b4_table_ninf)[ yytable_ninf_;
- static const ]b4_int_type_for([b4_check])[ yycheck_[];
-
- /// For a state, its accessing symbol.
- static const ]b4_int_type_for([b4_stos])[ yystos_[];
-
- /// For a rule, its LHS.
- static const ]b4_int_type_for([b4_r1])[ yyr1_[];
- /// For a rule, its RHS length.
- static const ]b4_int_type_for([b4_r2])[ yyr2_[];
+ /* Tables. */
+]b4_parser_tables_declare[
#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
/// For a symbol, its name in clear.
static std::string yytnamerr_ (const char *n);])[
#if YYDEBUG
- /// For each rule, its source line number.
- static const ]b4_int_type_for([b4_rline])[ yyrline_[];
+]b4_integral_parser_table_declare([rline], [b4_rline],
+ [YYRLINE[YYN] -- Source line where rule number YYN was defined.])[
/// Report on the debug stream that the rule \a r is going to be reduced.
virtual void yy_reduce_print_ (int r);
/// Print the state stack on the debug stream.
}
- /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
const ]b4_int_type(b4_pact_ninf, b4_pact_ninf) b4_parser_class_name::yypact_ninf_ = b4_pact_ninf[;
- ]b4_table_define([pact], [b4_pact])[;
-
- /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
- doesn't specify something else to do. Zero means the default is an
- error. */
- ]b4_table_define([defact], [b4_defact])[;
-
- /* YYPGOTO[NTERM-NUM]. */
- ]b4_table_define([pgoto], [b4_pgoto])[;
- /* YYDEFGOTO[NTERM-NUM]. */
- ]b4_table_define([defgoto], [b4_defgoto])[;
-
- /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
- positive, shift that token. If negative, reduce the rule which
- number is the opposite. If zero, do what YYDEFACT says. */
const ]b4_int_type(b4_table_ninf, b4_table_ninf) b4_parser_class_name::yytable_ninf_ = b4_table_ninf[;
- ]b4_table_define([table], [b4_table])[;
-
- /* YYCHECK. */
- ]b4_table_define([check], [b4_check])[;
-
- /* STOS_[STATE-NUM] -- The (internal number of the) accessing
- symbol of state STATE-NUM. */
- ]b4_table_define([stos], [b4_stos])[;
-
- /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
- ]b4_table_define([r1], [b4_r1])[;
- /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
- ]b4_table_define([r2], [b4_r2])[;
+]b4_parser_tables_define[
#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
#endif
#if YYDEBUG
- /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
- ]b4_table_define([rline], [b4_rline])[;
+]b4_integral_parser_table_define([rline], [b4_rline])[
// Print the state stack on the debug stream.
void
projects / bison.git / blobdiff