X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/09ccae9b18a7c09ebf7bb8df2a18c8c4a6def248..dd31e17d7e415d3be8fc603f752f7e975297bcc2:/data/java.m4 diff --git a/data/java.m4 b/data/java.m4 index fc8f8680..1b8666e4 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 @@ -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])])