Merge remote-tracking branch 'origin/maint'

[bison.git] / data / java.m4

diff --git a/data/java.m4 b/data/java.m4
index 38820f0d20fb36eca4ed25fd6499406f0d0f652e..1b8666e4672b3dfc1e72c2eb21ba9419875ef7e9 100644 (file)
--- a/data/java.m4
+++ b/data/java.m4
@@ -2,22 +2,20 @@
 
 # Java language support for Bison
 
 
 # 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
 # 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.
 # (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.
 # 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
 # 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 <http://www.gnu.org/licenses/>.

 
 
 # b4_comment(TEXT)
 
 
 # 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])])
 # b4_flag_value(BOOLEAN-FLAG)
 # ---------------------------
 m4_define([b4_flag_value], [b4_flag_if([$1], [true], [false])])


@@ -38,26 +53,38 @@ b4_percent_define_default([[public]], [[false]])
 m4_define([b4_public_if],
 [b4_percent_define_flag_if([public], [$1], [$2])])
 
 m4_define([b4_public_if],
 [b4_percent_define_flag_if([public], [$1], [$2])])
 

-# b4_single_class_if(TRUE, FALSE)
-# -------------------------------
-b4_percent_define_default([[single_class]], [[false]])
-m4_define([b4_single_class_if],
-[b4_percent_define_flag_if([single_class], [$1], [$2])])
-

 
 # b4_abstract_if(TRUE, FALSE)
 # ---------------------------
 
 # b4_abstract_if(TRUE, FALSE)
 # ---------------------------

+b4_percent_define_default([[abstract]], [[false]])

 m4_define([b4_abstract_if],
 m4_define([b4_abstract_if],

-[b4_pure_if([$2], [b4_single_class_if([$2], [$1])])])
+[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_percent_code_ifdef([[lexer]], [$1], [$2])])

 
 
 # b4_identification
 # -----------------
 m4_define([b4_identification],
 
 
 # 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.  */
   public static final String bisonVersion = "b4_version";
 
   /** Name of the skeleton that generated this parser.  */


@@ -76,7 +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],
 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)
 # ---------------------
 
 # b4_int_type_for(NAME)
 # ---------------------


@@ -90,6 +117,27 @@ m4_define([b4_int_type_for],
 m4_define([b4_null], [null])
 
 
 m4_define([b4_null], [null])
 
 

+# 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[[]
+    {
+  ]$3[
+    };
+  }]])
+
+
+# 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])])
+
+

 ## ------------------------- ##
 ## Assigning token numbers.  ##
 ## ------------------------- ##
 ## ------------------------- ##
 ## Assigning token numbers.  ##
 ## ------------------------- ##


@@ -98,8 +146,8 @@ m4_define([b4_null], [null])
 # ---------------------------------------
 # Output the definition of this token as an enum.
 m4_define([b4_token_enum],
 # ---------------------------------------
 # Output the definition of this token as an enum.
 m4_define([b4_token_enum],

-[  /** Token number, to be returned by the scanner.  */
-  public static final int $1 = $2;
+[    /** Token number, to be returned by the scanner.  */
+    static final int b4_percent_define_get([api.tokens.prefix])$1 = $2;

 ])
 
 
 ])
 
 


@@ -107,7 +155,7 @@ m4_define([b4_token_enum],
 # -----------------------------------------------------
 # Output the definition of the tokens (if there are) as enums.
 m4_define([b4_token_enums],
 # -----------------------------------------------------
 # 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], [$@])])
 ])
 [/* Tokens.  */
 m4_map([b4_token_enum], [$@])])
 ])


@@ -121,28 +169,40 @@ m4_define([b4_case], [  case $1:
   break;
     ])
 
   break;
     ])
 

+# b4_predicate_case(LABEL, CONDITIONS)
+# ------------------------------------
+m4_define([b4_predicate_case], [  case $1:
+     if (! ($2)) YYERROR;
+    break;
+    ])
+

 
 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##
 
 
 ## ---------------- ##
 ## Default values.  ##
 ## ---------------- ##
 

-m4_define([b4_union_name], [b4_percent_define_get([[union_name]])])
-b4_percent_define_default([[union_name]], [[Object]])])
+m4_define([b4_yystype], [b4_percent_define_get([[stype]])])
+b4_percent_define_default([[stype]], [[Object]])
+
+# %name-prefix
+m4_define_default([b4_prefix], [[YY]])

 
 

-m4_define_default([[b4_prefix]], [[YY]])])
-b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])])
+b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])

 m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])])
 
 m4_define([b4_parser_class_name], [b4_percent_define_get([[parser_class_name]])])
 

-b4_percent_define_default([[lex_throws]], [[java.io.IOException]])])
+b4_percent_define_default([[lex_throws]], [[java.io.IOException]])

 m4_define([b4_lex_throws], [b4_percent_define_get([[lex_throws]])])
 
 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]])])
 
 m4_define([b4_throws], [b4_percent_define_get([[throws]])])
 

-b4_percent_define_default([[location_type]], [Location])])
+b4_percent_define_default([[init_throws]], [])
+m4_define([b4_init_throws], [b4_percent_define_get([[init_throws]])])
+
+b4_percent_define_default([[location_type]], [Location])

 m4_define([b4_location_type], [b4_percent_define_get([[location_type]])])
 
 m4_define([b4_location_type], [b4_percent_define_get([[location_type]])])
 

-b4_percent_define_default([[position_type]], [Position])])
+b4_percent_define_default([[position_type]], [Position])

 m4_define([b4_position_type], [b4_percent_define_get([[position_type]])])
 
 
 m4_define([b4_position_type], [b4_percent_define_get([[position_type]])])
 
 


@@ -165,7 +225,7 @@ m4_define([b4_lhs_value], [yyval])
 # In this simple implementation, %token and %type have class names
 # between the angle brackets.
 m4_define([b4_rhs_value],
 # In this simple implementation, %token and %type have class names
 # between the angle brackets.
 m4_define([b4_rhs_value],

-[(m4_ifval([$3], [($3)])[](yystack.valueAt ($1-($2))))])
+[(m4_ifval($3, [($3)])[](yystack.valueAt ($1-($2))))])

 
 # b4_lhs_location()
 # -----------------
 
 # b4_lhs_location()
 # -----------------


@@ -189,35 +249,24 @@ m4_define([b4_rhs_location],
 # it to be single quoted.  Same for b4_parse_param.
 
 # TODO: should be in bison.m4
 # it to be single quoted.  Same for b4_parse_param.
 
 # TODO: should be in bison.m4

-m4_define_default([b4_lex_param], [[]]))
-m4_define([b4_lex_param], b4_lex_param))
-m4_define([b4_parse_param], b4_parse_param))
+m4_define_default([b4_lex_param], [[]])
+m4_define([b4_lex_param], b4_lex_param)
+m4_define([b4_parse_param], b4_parse_param)

 
 # b4_lex_param_decl
 
 # 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],
 # Extra formal arguments of the constructor.
 m4_define([b4_lex_param_decl],
 [m4_ifset([b4_lex_param],
           [b4_remove_comma([$1],

-                          [m4_map([b4_lex_param_decl_1], [b4_lex_param])])],
-         [$1])])
-
-m4_define([b4_lex_param_decl_1], [, $1])
-m4_define([b4_remove_comma], [m4_ifval([$1], [$1, ], [])m4_cdr([m4_cdr($@)])])
+                           b4_param_decls(b4_lex_param))],
+          [$1])])

 
 

+m4_define([b4_param_decls],
+          [m4_map([b4_param_decl], [$@])])
+m4_define([b4_param_decl], [, $1])

 
 

-
-# b4_lex_param_call
-# -------------------
-# Extra initialisations of the constructor.
-m4_define([b4_lex_param_call],
-          [m4_ifset([b4_lex_param],
-                   [b4_remove_comma([$1],
-                                    [b4_lex_param_calls(b4_lex_param)])],
-                   [$1])])
-m4_define([b4_lex_param_calls],
-         [m4_map([b4_lex_param_call_1], [$@])])
-m4_define([b4_lex_param_call_1], [, $2])
+m4_define([b4_remove_comma], [m4_ifval(m4_quote($1), [$1, ], [])m4_shift2($@)])

 
 
 
 
 
 


@@ -227,11 +276,22 @@ m4_define([b4_lex_param_call_1], [, $2])
 m4_define([b4_parse_param_decl],
 [m4_ifset([b4_parse_param],
           [b4_remove_comma([$1],
 m4_define([b4_parse_param_decl],
 [m4_ifset([b4_parse_param],
           [b4_remove_comma([$1],

-                          [m4_map([b4_parse_param_decl_1],
-                                  [b4_parse_param])])],
-         [$1])])
+                           b4_param_decls(b4_parse_param))],
+          [$1])])

 
 

-m4_define([b4_parse_param_decl_1], [, $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))],
+                    [$1])])
+m4_define([b4_param_calls],
+          [m4_map([b4_param_call], [$@])])
+m4_define([b4_param_call], [, $2])

 
 
 
 
 
 


@@ -240,29 +300,35 @@ m4_define([b4_parse_param_decl_1], [, $1])
 # Extra initialisations of the constructor.
 m4_define([b4_parse_param_cons],
           [m4_ifset([b4_parse_param],
 # 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_define([b4_constructor_calls],

-         [m4_map([b4_constructor_call], [$@])])
+          [m4_map([b4_constructor_call], [$@])])

 m4_define([b4_constructor_call],
 m4_define([b4_constructor_call],

-         [this.$2 = $2;
-         ])
+          [this.$2 = $2;
+          ])
+
+

 
 # b4_parse_param_vars
 # -------------------
 # Extra instance variables.
 m4_define([b4_parse_param_vars],
           [m4_ifset([b4_parse_param],
 
 # b4_parse_param_vars
 # -------------------
 # Extra instance variables.
 m4_define([b4_parse_param_vars],
           [m4_ifset([b4_parse_param],

-                   [
+                    [

     /* User arguments.  */
 b4_var_decls(b4_parse_param)])])
     /* User arguments.  */
 b4_var_decls(b4_parse_param)])])

+

 m4_define([b4_var_decls],
 m4_define([b4_var_decls],

-         [m4_map_sep([b4_var_decl], [
+          [m4_map_sep([b4_var_decl], [

 ], [$@])])
 m4_define([b4_var_decl],
 ], [$@])])
 m4_define([b4_var_decl],

-         [    protected final $1;])
+          [    protected final $1;])
+
+

 
 # b4_maybe_throws(THROWS)
 # -----------------------
 # Expand to either an empty string or "throws THROWS".
 m4_define([b4_maybe_throws],
 
 # b4_maybe_throws(THROWS)
 # -----------------------
 # Expand to either an empty string or "throws THROWS".
 m4_define([b4_maybe_throws],

-         [m4_ifval([$1], [throws $1])])
+          [m4_ifval($1, [throws $1])])