]) */])
+# b4_list2(LIST1, LIST2)
+# --------------------------
+# Join two lists with a comma if necessary.
+m4_define([b4_list2],
+ [$1[]m4_ifval(m4_quote($1), [m4_ifval(m4_quote($2), [[, ]])])[]$2])
+
+
+# b4_percent_define_get3(DEF, PRE, POST, NOT)
+# -------------------------------------------
+# Expand to the value of DEF surrounded by PRE and POST if it's %define'ed,
+# otherwise NOT.
+m4_define([b4_percent_define_get3],
+ [m4_ifval(m4_quote(b4_percent_define_get([$1])),
+ [$2[]b4_percent_define_get([$1])[]$3], [$4])])
+
+
+
# b4_flag_value(BOOLEAN-FLAG)
# ---------------------------
m4_define([b4_flag_value], [b4_flag_if([$1], [true], [false])])
[b4_percent_define_flag_if([abstract], [$1], [$2])])
+# b4_final_if(TRUE, FALSE)
+# ---------------------------
+b4_percent_define_default([[final]], [[false]])
+m4_define([b4_final_if],
+[b4_percent_define_flag_if([final], [$1], [$2])])
+
+
+# b4_strictfp_if(TRUE, FALSE)
+# ---------------------------
+b4_percent_define_default([[strictfp]], [[false]])
+m4_define([b4_strictfp_if],
+[b4_percent_define_flag_if([strictfp], [$1], [$2])])
+
+
# b4_lexer_if(TRUE, FALSE)
# ------------------------
m4_define([b4_lexer_if],
# b4_identification
# -----------------
m4_define([b4_identification],
-[/** Always <tt>true</tt>, identifies Bison output. */
- public static final boolean bison = true;
-
- /** Version number for the Bison executable that generated this parser. */
+[ /** Version number for the Bison executable that generated this parser. */
public static final String bisonVersion = "b4_version";
/** Name of the skeleton that generated this parser. */
m4_define([b4_yystype], [b4_percent_define_get([[stype]])])
b4_percent_define_default([[stype]], [[Object]])])
-m4_define_default([[b4_prefix]], [[YY]])])
+# %name-prefix
+m4_define_default([b4_prefix], [[YY]])
+
b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])])
m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])])
b4_percent_define_default([[lex_throws]], [[java.io.IOException]])])
m4_define([b4_lex_throws], [b4_percent_define_get([[lex_throws]])])
-b4_percent_define_default([[throws]], [b4_lex_throws])])
+b4_percent_define_default([[throws]], [])])
m4_define([b4_throws], [b4_percent_define_get([[throws]])])
b4_percent_define_default([[location_type]], [Location])])
[m4_map([b4_param_decl], [$@])])
m4_define([b4_param_decl], [, $1])
-m4_define([b4_remove_comma], [m4_ifval($1, [$1, ], [])m4_shift2($@)])
+m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])