X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a3764451d3188132ed22f622ba0d35edd6e386cd..ff020c3061aeab8a20a4a6fd48c434e3e5aeb29b:/data/java.m4
diff --git a/data/java.m4 b/data/java.m4
index 13876941..18ea30b5 100644
--- a/data/java.m4
+++ b/data/java.m4
@@ -2,7 +2,7 @@
# Java language support for Bison
-# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2007-2012 Free Software Foundation, Inc.
# 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
@@ -17,6 +17,7 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
+m4_include(b4_pkgdatadir/[c-like.m4])
# b4_comment(TEXT)
# ----------------
@@ -25,6 +26,23 @@ 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])])
@@ -44,6 +62,20 @@ 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], [$2])])
+
+
# b4_lexer_if(TRUE, FALSE)
# ------------------------
m4_define([b4_lexer_if],
@@ -53,10 +85,7 @@ m4_define([b4_lexer_if],
# b4_identification
# -----------------
m4_define([b4_identification],
-[/** Always true, identifies Bison output. */
- public static final boolean bison = true;
-
- /** Version number for the Bison executable that generated this parser. */
+[ /** Version number for the Bison executable that generated this parser. */
public static final String bisonVersion = "b4_version";
/** Name of the skeleton that generated this parser. */
@@ -106,7 +135,7 @@ m4_define([b4_token_enum],
# -----------------------------------------------------
# Output the definition of the tokens (if there are) as enums.
m4_define([b4_token_enums],
-[m4_if([$@], [[]], [],
+[m4_if([$#$1], [1], [],
[/* Tokens. */
m4_map([b4_token_enum], [$@])])
])
@@ -128,14 +157,16 @@ m4_define([b4_case], [ case $1:
m4_define([b4_yystype], [b4_percent_define_get([[stype]])])
b4_percent_define_default([[stype]], [[Object]])])
-m4_define_default([[b4_prefix]], [[YY]])])
+# %name-prefix
+m4_define_default([b4_prefix], [[YY]])
+
b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])])
m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])])
b4_percent_define_default([[lex_throws]], [[java.io.IOException]])])
m4_define([b4_lex_throws], [b4_percent_define_get([[lex_throws]])])
-b4_percent_define_default([[throws]], [b4_lex_throws])])
+b4_percent_define_default([[throws]], [])])
m4_define([b4_throws], [b4_percent_define_get([[throws]])])
b4_percent_define_default([[location_type]], [Location])])
@@ -205,7 +236,7 @@ m4_define([b4_param_decls],
[m4_map([b4_param_decl], [$@])])
m4_define([b4_param_decl], [, $1])
-m4_define([b4_remove_comma], [m4_ifval($1, [$1, ], [])m4_shift2($@)])
+m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])