Merge remote-tracking branch 'origin/maint'

[bison.git] / data / java.m4

diff --git a/data/java.m4 b/data/java.m4
index fc8f86806ffe2aa9b45aab21123bd45d51a1235a..1b8666e4672b3dfc1e72c2eb21ba9419875ef7e9 100644 (file)
--- 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
@@ -29,7 +29,7 @@ m4_define([b4_comment], [/* m4_bpatsubst([$1], [
 # --------------------------
 # Join two lists with a comma if necessary.
 m4_define([b4_list2],
-         [$1[]m4_ifval(m4_quote($1), [m4_ifval(m4_quote($2), [[, ]])])[]$2])
+          [$1[]m4_ifval(m4_quote($1), [m4_ifval(m4_quote($2), [[, ]])])[]$2])
 
 
 # b4_percent_define_get3(DEF, PRE, POST, NOT)
@@ -37,8 +37,8 @@ m4_define([b4_list2],
 # 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])])
+          [m4_ifval(m4_quote(b4_percent_define_get([$1])),
+                [$2[]b4_percent_define_get([$1])[]$3], [$4])])
 
 
 
@@ -103,7 +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)
 # ---------------------
@@ -117,11 +117,13 @@ m4_define([b4_int_type_for],
 m4_define([b4_null], [null])
 
 
-# b4_typed_parser_table(TYPE, NAME, DATA)
-# ---------------------------------------
-m4_define([b4_typed_parser_table],
-[[private static final ]$1[ $2[] = $2init();
-  private static final ]$1[[] $2init()
+# b4_typed_parser_table_define(TYPE, NAME, DATA, COMMENT)
+# -------------------------------------------------------
+m4_define([b4_typed_parser_table_define],
+[m4_ifval([$4], [b4_comment([$4])
+  ])dnl
+[private static final ]$1[ yy$2_[] = yy$2_init();
+  private static final ]$1[[] yy$2_init()
   {
     return new ]$1[[]
     {
@@ -130,10 +132,10 @@ m4_define([b4_typed_parser_table],
   }]])
 
 
-# b4_integral_parser_table(NAME, DATA)
-#-------------------------------------
-m4_define([b4_integral_parser_table],
-[b4_typed_parser_table([b4_int_type_for([$2])], [$1], [$2])])
+# b4_integral_parser_table_define(NAME, DATA, COMMENT)
+#-----------------------------------------------------
+m4_define([b4_integral_parser_table_define],
+[b4_typed_parser_table_define([b4_int_type_for([$2])], [$1], [$2], [$3])])
 
 
 ## ------------------------- ##
@@ -145,7 +147,7 @@ m4_define([b4_integral_parser_table],
 # Output the definition of this token as an enum.
 m4_define([b4_token_enum],
 [    /** Token number, to be returned by the scanner.  */
-    static final int $1 = $2;
+    static final int b4_percent_define_get([api.tokens.prefix])$1 = $2;
 ])
 
 
@@ -167,6 +169,13 @@ m4_define([b4_case], [  case $1:
   break;
     ])
 
+# b4_predicate_case(LABEL, CONDITIONS)
+# ------------------------------------
+m4_define([b4_predicate_case], [  case $1:
+     if (! ($2)) YYERROR;
+    break;
+    ])
+
 
 ## ---------------- ##
 ## Default values.  ##
@@ -245,16 +254,16 @@ m4_define([b4_lex_param], b4_lex_param)
 m4_define([b4_parse_param], b4_parse_param)
 
 # b4_lex_param_decl
-# -------------------
+# -----------------
 # Extra formal arguments of the constructor.
 m4_define([b4_lex_param_decl],
 [m4_ifset([b4_lex_param],
           [b4_remove_comma([$1],
-                          b4_param_decls(b4_lex_param))],
-         [$1])])
+                           b4_param_decls(b4_lex_param))],
+          [$1])])
 
 m4_define([b4_param_decls],
-         [m4_map([b4_param_decl], [$@])])
+          [m4_map([b4_param_decl], [$@])])
 m4_define([b4_param_decl], [, $1])
 
 m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])
@@ -267,21 +276,21 @@ m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])
 m4_define([b4_parse_param_decl],
 [m4_ifset([b4_parse_param],
           [b4_remove_comma([$1],
-                          b4_param_decls(b4_parse_param))],
-         [$1])])
+                           b4_param_decls(b4_parse_param))],
+          [$1])])
 
 
 
 # b4_lex_param_call
-# -------------------
+# -----------------
 # Delegating the lexer parameters to the lexer constructor.
 m4_define([b4_lex_param_call],
           [m4_ifset([b4_lex_param],
-                   [b4_remove_comma([$1],
-                                    b4_param_calls(b4_lex_param))],
-                   [$1])])
+                    [b4_remove_comma([$1],
+                                     b4_param_calls(b4_lex_param))],
+                    [$1])])
 m4_define([b4_param_calls],
-         [m4_map([b4_param_call], [$@])])
+          [m4_map([b4_param_call], [$@])])
 m4_define([b4_param_call], [, $2])
 
 
@@ -291,13 +300,13 @@ m4_define([b4_param_call], [, $2])
 # Extra initialisations of the constructor.
 m4_define([b4_parse_param_cons],
           [m4_ifset([b4_parse_param],
-                   [b4_constructor_calls(b4_parse_param)])])
+                    [b4_constructor_calls(b4_parse_param)])])
 
 m4_define([b4_constructor_calls],
-         [m4_map([b4_constructor_call], [$@])])
+          [m4_map([b4_constructor_call], [$@])])
 m4_define([b4_constructor_call],
-         [this.$2 = $2;
-         ])
+          [this.$2 = $2;
+          ])
 
 
 
@@ -306,15 +315,15 @@ m4_define([b4_constructor_call],
 # Extra instance variables.
 m4_define([b4_parse_param_vars],
           [m4_ifset([b4_parse_param],
-                   [
+                    [
     /* User arguments.  */
 b4_var_decls(b4_parse_param)])])
 
 m4_define([b4_var_decls],
-         [m4_map_sep([b4_var_decl], [
+          [m4_map_sep([b4_var_decl], [
 ], [$@])])
 m4_define([b4_var_decl],
-         [    protected final $1;])
+          [    protected final $1;])
 
 
 
@@ -322,4 +331,4 @@ m4_define([b4_var_decl],
 # -----------------------
 # Expand to either an empty string or "throws THROWS".
 m4_define([b4_maybe_throws],
-         [m4_ifval($1, [throws $1])])
+          [m4_ifval($1, [throws $1])])