X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/01b477c6b62a778bafec7b7eec178da39d5258f4..a0cd287e64e2d53bc5896e0a7c5ad072cb8bf469:/data/java.m4?ds=sidebyside
diff --git a/data/java.m4 b/data/java.m4
index 4fd76258..d137fd59 100644
--- a/data/java.m4
+++ b/data/java.m4
@@ -2,22 +2,20 @@
# Java language support for Bison
-# Copyright (C) 2007 Free Software Foundation, Inc.
+# Copyright (C) 2007-2012 Free Software Foundation, Inc.
-# This program is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
-
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-
+#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301 USA
+# along with this program. If not, see .
# b4_comment(TEXT)
@@ -27,6 +25,23 @@ m4_define([b4_comment], [/* m4_bpatsubst([$1], [
]) */])
+# 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])])
@@ -46,6 +61,20 @@ m4_define([b4_abstract_if],
[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], [$2])])
+
+
# b4_lexer_if(TRUE, FALSE)
# ------------------------
m4_define([b4_lexer_if],
@@ -55,10 +84,7 @@ m4_define([b4_lexer_if],
# b4_identification
# -----------------
m4_define([b4_identification],
-[/** Always true, identifies Bison output. */
- public static final boolean bison = true;
-
- /** Version number for the Bison executable that generated this parser. */
+[ /** Version number for the Bison executable that generated this parser. */
public static final String bisonVersion = "b4_version";
/** Name of the skeleton that generated this parser. */
@@ -77,7 +103,7 @@ m4_define([b4_identification],
m4_define([b4_int_type],
[m4_if(b4_ints_in($@, [-128], [127]), [1], [byte],
b4_ints_in($@, [-32768], [32767]), [1], [short],
- [int])])
+ [int])])
# b4_int_type_for(NAME)
# ---------------------
@@ -108,7 +134,7 @@ m4_define([b4_token_enum],
# -----------------------------------------------------
# Output the definition of the tokens (if there are) as enums.
m4_define([b4_token_enums],
-[m4_if([$@], [[]], [],
+[m4_if([$#$1], [1], [],
[/* Tokens. */
m4_map([b4_token_enum], [$@])])
])
@@ -130,14 +156,16 @@ m4_define([b4_case], [ case $1:
m4_define([b4_yystype], [b4_percent_define_get([[stype]])])
b4_percent_define_default([[stype]], [[Object]])])
-m4_define_default([[b4_prefix]], [[YY]])])
+# %name-prefix
+m4_define_default([b4_prefix], [[YY]])
+
b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])])
m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])])
b4_percent_define_default([[lex_throws]], [[java.io.IOException]])])
m4_define([b4_lex_throws], [b4_percent_define_get([[lex_throws]])])
-b4_percent_define_default([[throws]], [b4_lex_throws])])
+b4_percent_define_default([[throws]], [])])
m4_define([b4_throws], [b4_percent_define_get([[throws]])])
b4_percent_define_default([[location_type]], [Location])])
@@ -207,7 +235,7 @@ m4_define([b4_param_decls],
[m4_map([b4_param_decl], [$@])])
m4_define([b4_param_decl], [, $1])
-m4_define([b4_remove_comma], [m4_ifval($1, [$1, ], [])m4_shiftn(2, $@)])
+m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])