[270] | 1 | -*- C -*-
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| 2 |
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| 3 | # Yacc compatible skeleton for Bison
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| 4 |
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| 5 | # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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| 6 | # 2007, 2008 Free Software Foundation, Inc.
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| 7 |
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| 8 | # This program is free software: you can redistribute it and/or modify
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| 9 | # it under the terms of the GNU General Public License as published by
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| 10 | # the Free Software Foundation, either version 3 of the License, or
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| 11 | # (at your option) any later version.
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| 12 | #
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| 13 | # This program is distributed in the hope that it will be useful,
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| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | # GNU General Public License for more details.
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| 17 | #
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| 18 | # You should have received a copy of the GNU General Public License
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| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 |
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| 21 | # Check the value of %define api.push_pull.
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| 22 | b4_percent_define_default([[api.push_pull]], [[pull]])
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| 23 | b4_percent_define_check_values([[[[api.push_pull]],
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| 24 | [[pull]], [[push]], [[both]]]])
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| 25 | b4_define_flag_if([pull]) m4_define([b4_pull_flag], [[1]])
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| 26 | b4_define_flag_if([push]) m4_define([b4_push_flag], [[1]])
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| 27 | m4_case(b4_percent_define_get([[api.push_pull]]),
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| 28 | [pull], [m4_define([b4_push_flag], [[0]])],
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| 29 | [push], [m4_define([b4_pull_flag], [[0]])])
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| 30 |
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| 31 | # Handle BISON_USE_PUSH_FOR_PULL for the test suite. So that push parsing
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| 32 | # tests function as written, don't let BISON_USE_PUSH_FOR_PULL modify Bison's
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| 33 | # behavior at all when push parsing is already requested.
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| 34 | b4_define_flag_if([use_push_for_pull])
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| 35 | b4_use_push_for_pull_if([
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| 36 | b4_push_if([m4_define([b4_use_push_for_pull_flag], [[0]])],
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| 37 | [m4_define([b4_push_flag], [[1]])])])
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| 38 |
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| 39 | m4_include(b4_pkgdatadir/[c.m4])
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| 40 |
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| 41 | ## ---------------- ##
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| 42 | ## Default values. ##
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| 43 | ## ---------------- ##
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| 44 |
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| 45 | # Stack parameters.
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| 46 | m4_define_default([b4_stack_depth_max], [10000])
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| 47 | m4_define_default([b4_stack_depth_init], [200])
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| 48 |
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| 49 |
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| 50 | ## ------------------------ ##
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| 51 | ## Pure/impure interfaces. ##
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| 52 | ## ------------------------ ##
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| 53 |
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| 54 | b4_percent_define_default([[api.pure]], [[false]])
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| 55 | b4_define_flag_if([pure])
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| 56 | m4_define([b4_pure_flag],
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| 57 | [b4_percent_define_flag_if([[api.pure]], [[1]], [[0]])])
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| 58 |
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| 59 | # b4_yacc_pure_if(IF-TRUE, IF-FALSE)
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| 60 | # ----------------------------------
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| 61 | # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
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| 62 | m4_define([b4_yacc_pure_if],
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| 63 | [b4_pure_if([m4_ifset([b4_parse_param],
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| 64 | [$1], [$2])],
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| 65 | [$2])])
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| 66 |
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| 67 |
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| 68 | # b4_yyerror_args
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| 69 | # ---------------
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| 70 | # Arguments passed to yyerror: user args plus yylloc.
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| 71 | m4_define([b4_yyerror_args],
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| 72 | [b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl
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| 73 | m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
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| 74 |
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| 75 |
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| 76 | # b4_lex_param
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| 77 | # ------------
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| 78 | # Accumulate in b4_lex_param all the yylex arguments.
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| 79 | # b4_lex_param arrives quoted twice, but we want to keep only one level.
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| 80 | m4_define([b4_lex_param],
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| 81 | m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl
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| 82 | b4_locations_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl
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| 83 | m4_ifdef([b4_lex_param], b4_lex_param)))
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| 84 |
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| 85 |
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| 86 | ## ------------ ##
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| 87 | ## Data Types. ##
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| 88 | ## ------------ ##
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| 89 |
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| 90 | # b4_int_type(MIN, MAX)
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| 91 | # ---------------------
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| 92 | # Return the smallest int type able to handle numbers ranging from
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| 93 | # MIN to MAX (included). Overwrite the version from c.m4, which
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| 94 | # uses only C89 types, so that the user can override the shorter
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| 95 | # types, and so that pre-C89 compilers are handled correctly.
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| 96 | m4_define([b4_int_type],
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| 97 | [m4_if(b4_ints_in($@, [0], [255]), [1], [yytype_uint8],
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| 98 | b4_ints_in($@, [-128], [127]), [1], [yytype_int8],
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| 99 |
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| 100 | b4_ints_in($@, [0], [65535]), [1], [yytype_uint16],
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| 101 | b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16],
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| 102 |
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| 103 | m4_eval([0 <= $1]), [1], [unsigned int],
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| 104 |
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| 105 | [int])])
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| 106 |
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| 107 |
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| 108 | ## ----------------- ##
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| 109 | ## Semantic Values. ##
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| 110 | ## ----------------- ##
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| 111 |
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| 112 |
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| 113 | # b4_lhs_value([TYPE])
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| 114 | # --------------------
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| 115 | # Expansion of $<TYPE>$.
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| 116 | m4_define([b4_lhs_value],
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| 117 | [(yyval[]m4_ifval([$1], [.$1]))])
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| 118 |
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| 119 |
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| 120 | # b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
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| 121 | # --------------------------------------
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| 122 | # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
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| 123 | # symbols on RHS.
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| 124 | m4_define([b4_rhs_value],
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| 125 | [(yyvsp@{($2) - ($1)@}m4_ifval([$3], [.$3]))])
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| 126 |
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| 127 |
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| 128 |
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| 129 | ## ----------- ##
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| 130 | ## Locations. ##
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| 131 | ## ----------- ##
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| 132 |
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| 133 | # b4_lhs_location()
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| 134 | # -----------------
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| 135 | # Expansion of @$.
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| 136 | m4_define([b4_lhs_location],
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| 137 | [(yyloc)])
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| 138 |
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| 139 |
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| 140 | # b4_rhs_location(RULE-LENGTH, NUM)
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| 141 | # ---------------------------------
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| 142 | # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
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| 143 | # on RHS.
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| 144 | m4_define([b4_rhs_location],
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| 145 | [(yylsp@{($2) - ($1)@})])
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| 146 |
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| 147 |
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| 148 |
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| 149 | ## --------------------------------------------------------- ##
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| 150 | ## Defining symbol actions, e.g., printers and destructors. ##
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| 151 | ## --------------------------------------------------------- ##
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| 152 |
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| 153 | # We do want M4 expansion after # for CPP macros.
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| 154 | m4_changecom()
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| 155 | m4_divert_push(0)dnl
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| 156 | @output(b4_parser_file_name@)
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| 157 | b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl '
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| 158 | [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])[
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| 159 |
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| 160 | /* C LALR(1) parser skeleton written by Richard Stallman, by
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| 161 | simplifying the original so-called "semantic" parser. */
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| 162 |
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| 163 | /* All symbols defined below should begin with yy or YY, to avoid
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| 164 | infringing on user name space. This should be done even for local
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| 165 | variables, as they might otherwise be expanded by user macros.
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| 166 | There are some unavoidable exceptions within include files to
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| 167 | define necessary library symbols; they are noted "INFRINGES ON
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| 168 | USER NAME SPACE" below. */
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| 169 |
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| 170 | ]b4_identification
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| 171 | b4_percent_code_get([[top]])[]dnl
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| 172 | m4_if(b4_prefix, [yy], [],
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| 173 | [[/* Substitute the variable and function names. */
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| 174 | ]b4_pull_if([[#define yyparse ]b4_prefix[parse
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| 175 | ]])b4_push_if([[#define yypush_parse ]b4_prefix[push_parse
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| 176 | ]b4_pull_if([[#define yypull_parse ]b4_prefix[pull_parse
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| 177 | ]])[#define yypstate_new ]b4_prefix[pstate_new
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| 178 | #define yypstate_delete ]b4_prefix[pstate_delete
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| 179 | #define yypstate ]b4_prefix[pstate
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| 180 | ]])[#define yylex ]b4_prefix[lex
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| 181 | #define yyerror ]b4_prefix[error
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| 182 | #define yylval ]b4_prefix[lval
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| 183 | #define yychar ]b4_prefix[char
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| 184 | #define yydebug ]b4_prefix[debug
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| 185 | #define yynerrs ]b4_prefix[nerrs
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| 186 | ]b4_locations_if([[#define yylloc ]b4_prefix[lloc]])])[
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| 187 |
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| 188 | /* Copy the first part of user declarations. */
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| 189 | ]b4_user_pre_prologue[
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| 190 |
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| 191 | /* Enabling traces. */
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| 192 | #ifndef YYDEBUG
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| 193 | # define YYDEBUG ]b4_debug_flag[
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| 194 | #endif
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| 195 |
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| 196 | /* Enabling verbose error messages. */
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| 197 | #ifdef YYERROR_VERBOSE
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| 198 | # undef YYERROR_VERBOSE
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| 199 | # define YYERROR_VERBOSE 1
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| 200 | #else
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| 201 | # define YYERROR_VERBOSE ]b4_error_verbose_flag[
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| 202 | #endif
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| 203 |
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| 204 | /* Enabling the token table. */
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| 205 | #ifndef YYTOKEN_TABLE
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| 206 | # define YYTOKEN_TABLE ]b4_token_table[
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| 207 | #endif
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| 208 |
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| 209 | ]b4_percent_code_get([[requires]])[]dnl
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| 210 |
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| 211 | b4_token_enums_defines(b4_tokens)[
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| 212 |
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| 213 | #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
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| 214 | ]m4_ifdef([b4_stype],
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| 215 | [[typedef union ]b4_union_name[
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| 216 | {
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| 217 | ]b4_user_stype[
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| 218 | } YYSTYPE;
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| 219 | # define YYSTYPE_IS_TRIVIAL 1]],
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| 220 | [m4_if(b4_tag_seen_flag, 0,
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| 221 | [[typedef int YYSTYPE;
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| 222 | # define YYSTYPE_IS_TRIVIAL 1]])])[
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| 223 | # define yystype YYSTYPE /* obsolescent; will be withdrawn */
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| 224 | # define YYSTYPE_IS_DECLARED 1
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| 225 | #endif]b4_locations_if([[
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| 226 |
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| 227 | #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
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| 228 | typedef struct YYLTYPE
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| 229 | {
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| 230 | int first_line;
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| 231 | int first_column;
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| 232 | int last_line;
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| 233 | int last_column;
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| 234 | } YYLTYPE;
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| 235 | # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
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| 236 | # define YYLTYPE_IS_DECLARED 1
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| 237 | # define YYLTYPE_IS_TRIVIAL 1
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| 238 | #endif]])b4_push_if([[
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| 239 |
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| 240 | #ifndef YYPUSH_DECLS
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| 241 | # define YYPUSH_DECLS
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| 242 | struct yypstate;
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| 243 | typedef struct yypstate yypstate;
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| 244 | enum { YYPUSH_MORE = 4 };
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| 245 |
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| 246 | ]b4_pull_if([b4_c_function_decl([[yyparse]], [[int]], b4_parse_param)
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| 247 | ])b4_c_function_decl([[yypush_parse]], [[int]],
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| 248 | [[[yypstate *yyps]], [[yyps]]]b4_pure_if([,
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| 249 | [[[int yypushed_char]], [[yypushed_char]]],
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| 250 | [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
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| 251 | [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
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| 252 | b4_parse_param]))
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| 253 | b4_pull_if([b4_c_function_decl([[yypull_parse]], [[int]],
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| 254 | [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
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| 255 | b4_parse_param]))])
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| 256 | b4_c_function_decl([[yypstate_new]], [[yypstate *]], [[[void]], []])
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| 257 | b4_c_function_decl([[yypstate_delete]], [[void]],
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| 258 | [[[yypstate *yyps]], [[yyps]]])[
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| 259 | #endif]])
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| 260 |
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| 261 | b4_percent_code_get([[provides]])[]dnl
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| 262 |
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| 263 | [/* Copy the second part of user declarations. */
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| 264 | ]b4_user_post_prologue
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| 265 | b4_percent_code_get[]dnl
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| 266 |
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| 267 | [#ifdef short
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| 268 | # undef short
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| 269 | #endif
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| 270 |
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| 271 | #ifdef YYTYPE_UINT8
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| 272 | typedef YYTYPE_UINT8 yytype_uint8;
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| 273 | #else
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| 274 | typedef unsigned char yytype_uint8;
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| 275 | #endif
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| 276 |
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| 277 | #ifdef YYTYPE_INT8
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| 278 | typedef YYTYPE_INT8 yytype_int8;
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| 279 | #elif ]b4_c_modern[
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| 280 | typedef signed char yytype_int8;
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| 281 | #else
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| 282 | typedef short int yytype_int8;
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| 283 | #endif
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| 284 |
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| 285 | #ifdef YYTYPE_UINT16
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| 286 | typedef YYTYPE_UINT16 yytype_uint16;
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| 287 | #else
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| 288 | typedef unsigned short int yytype_uint16;
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| 289 | #endif
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| 290 |
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| 291 | #ifdef YYTYPE_INT16
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| 292 | typedef YYTYPE_INT16 yytype_int16;
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| 293 | #else
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| 294 | typedef short int yytype_int16;
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| 295 | #endif
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| 296 |
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| 297 | #ifndef YYSIZE_T
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| 298 | # ifdef __SIZE_TYPE__
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| 299 | # define YYSIZE_T __SIZE_TYPE__
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| 300 | # elif defined size_t
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| 301 | # define YYSIZE_T size_t
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| 302 | # elif ! defined YYSIZE_T && ]b4_c_modern[
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| 303 | # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
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| 304 | # define YYSIZE_T size_t
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| 305 | # else
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| 306 | # define YYSIZE_T unsigned int
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| 307 | # endif
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| 308 | #endif
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| 309 |
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| 310 | #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
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| 311 |
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| 312 | #ifndef YY_
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| 313 | # if YYENABLE_NLS
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| 314 | # if ENABLE_NLS
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| 315 | # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
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| 316 | # define YY_(msgid) dgettext ("bison-runtime", msgid)
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| 317 | # endif
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| 318 | # endif
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| 319 | # ifndef YY_
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| 320 | # define YY_(msgid) msgid
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| 321 | # endif
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| 322 | #endif
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| 323 |
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| 324 | /* Suppress unused-variable warnings by "using" E. */
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| 325 | #if ! defined lint || defined __GNUC__
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| 326 | # define YYUSE(e) ((void) (e))
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| 327 | #else
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| 328 | # define YYUSE(e) /* empty */
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| 329 | #endif
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| 330 |
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| 331 | /* Identity function, used to suppress warnings about constant conditions. */
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| 332 | #ifndef lint
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| 333 | # define YYID(n) (n)
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| 334 | #else
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| 335 | ]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[
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| 336 | {
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| 337 | return yyi;
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| 338 | }
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| 339 | #endif
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| 340 |
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| 341 | #if ! defined yyoverflow || YYERROR_VERBOSE
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| 342 |
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| 343 | ]b4_push_if([],
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| 344 | [[/* The parser invokes alloca or malloc; define the necessary symbols. */
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| 345 |
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| 346 | # ifdef YYSTACK_USE_ALLOCA
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| 347 | # if YYSTACK_USE_ALLOCA
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| 348 | # ifdef __GNUC__
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| 349 | # define YYSTACK_ALLOC __builtin_alloca
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| 350 | # elif defined __BUILTIN_VA_ARG_INCR
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| 351 | # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
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| 352 | # elif defined _AIX
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| 353 | # define YYSTACK_ALLOC __alloca
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| 354 | # elif defined _MSC_VER
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| 355 | # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
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| 356 | # define alloca _alloca
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| 357 | # else
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| 358 | # define YYSTACK_ALLOC alloca
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| 359 | # if ! defined _ALLOCA_H && ! defined _STDLIB_H && ]b4_c_modern[
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| 360 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
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| 361 | # ifndef _STDLIB_H
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| 362 | # define _STDLIB_H 1
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| 363 | # endif
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| 364 | # endif
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| 365 | # endif
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| 366 | # endif
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| 367 | # endif
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| 368 |
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| 369 | ]])dnl
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| 370 | [# ifdef YYSTACK_ALLOC
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| 371 | /* Pacify GCC's `empty if-body' warning. */
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| 372 | # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
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| 373 | # ifndef YYSTACK_ALLOC_MAXIMUM
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| 374 | /* The OS might guarantee only one guard page at the bottom of the stack,
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| 375 | and a page size can be as small as 4096 bytes. So we cannot safely
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| 376 | invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
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| 377 | to allow for a few compiler-allocated temporary stack slots. */
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| 378 | # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
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| 379 | # endif
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| 380 | # else
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| 381 | # define YYSTACK_ALLOC YYMALLOC
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| 382 | # define YYSTACK_FREE YYFREE
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| 383 | # ifndef YYSTACK_ALLOC_MAXIMUM
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| 384 | # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
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| 385 | # endif
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| 386 | # if (defined __cplusplus && ! defined _STDLIB_H \
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| 387 | && ! ((defined YYMALLOC || defined malloc) \
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| 388 | && (defined YYFREE || defined free)))
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| 389 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
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| 390 | # ifndef _STDLIB_H
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| 391 | # define _STDLIB_H 1
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| 392 | # endif
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| 393 | # endif
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| 394 | # ifndef YYMALLOC
|
---|
| 395 | # define YYMALLOC malloc
|
---|
| 396 | # if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[
|
---|
| 397 | void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
|
---|
| 398 | # endif
|
---|
| 399 | # endif
|
---|
| 400 | # ifndef YYFREE
|
---|
| 401 | # define YYFREE free
|
---|
| 402 | # if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[
|
---|
| 403 | void free (void *); /* INFRINGES ON USER NAME SPACE */
|
---|
| 404 | # endif
|
---|
| 405 | # endif
|
---|
| 406 | # endif
|
---|
| 407 | #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
|
---|
| 408 |
|
---|
| 409 |
|
---|
| 410 | #if (! defined yyoverflow \
|
---|
| 411 | && (! defined __cplusplus \
|
---|
| 412 | || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
|
---|
| 413 | && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
|
---|
| 414 |
|
---|
| 415 | /* A type that is properly aligned for any stack member. */
|
---|
| 416 | union yyalloc
|
---|
| 417 | {
|
---|
| 418 | yytype_int16 yyss_alloc;
|
---|
| 419 | YYSTYPE yyvs_alloc;]b4_locations_if([
|
---|
| 420 | YYLTYPE yyls_alloc;])[
|
---|
| 421 | };
|
---|
| 422 |
|
---|
| 423 | /* The size of the maximum gap between one aligned stack and the next. */
|
---|
| 424 | # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
|
---|
| 425 |
|
---|
| 426 | /* The size of an array large to enough to hold all stacks, each with
|
---|
| 427 | N elements. */
|
---|
| 428 | ]b4_locations_if(
|
---|
| 429 | [# define YYSTACK_BYTES(N) \
|
---|
| 430 | ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
|
---|
| 431 | + 2 * YYSTACK_GAP_MAXIMUM)],
|
---|
| 432 | [# define YYSTACK_BYTES(N) \
|
---|
| 433 | ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
|
---|
| 434 | + YYSTACK_GAP_MAXIMUM)])[
|
---|
| 435 |
|
---|
| 436 | /* Copy COUNT objects from FROM to TO. The source and destination do
|
---|
| 437 | not overlap. */
|
---|
| 438 | # ifndef YYCOPY
|
---|
| 439 | # if defined __GNUC__ && 1 < __GNUC__
|
---|
| 440 | # define YYCOPY(To, From, Count) \
|
---|
| 441 | __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
|
---|
| 442 | # else
|
---|
| 443 | # define YYCOPY(To, From, Count) \
|
---|
| 444 | do \
|
---|
| 445 | { \
|
---|
| 446 | YYSIZE_T yyi; \
|
---|
| 447 | for (yyi = 0; yyi < (Count); yyi++) \
|
---|
| 448 | (To)[yyi] = (From)[yyi]; \
|
---|
| 449 | } \
|
---|
| 450 | while (YYID (0))
|
---|
| 451 | # endif
|
---|
| 452 | # endif
|
---|
| 453 |
|
---|
| 454 | /* Relocate STACK from its old location to the new one. The
|
---|
| 455 | local variables YYSIZE and YYSTACKSIZE give the old and new number of
|
---|
| 456 | elements in the stack, and YYPTR gives the new location of the
|
---|
| 457 | stack. Advance YYPTR to a properly aligned location for the next
|
---|
| 458 | stack. */
|
---|
| 459 | # define YYSTACK_RELOCATE(Stack_alloc, Stack) \
|
---|
| 460 | do \
|
---|
| 461 | { \
|
---|
| 462 | YYSIZE_T yynewbytes; \
|
---|
| 463 | YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
|
---|
| 464 | Stack = &yyptr->Stack_alloc; \
|
---|
| 465 | yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
|
---|
| 466 | yyptr += yynewbytes / sizeof (*yyptr); \
|
---|
| 467 | } \
|
---|
| 468 | while (YYID (0))
|
---|
| 469 |
|
---|
| 470 | #endif
|
---|
| 471 |
|
---|
| 472 | /* YYFINAL -- State number of the termination state. */
|
---|
| 473 | #define YYFINAL ]b4_final_state_number[
|
---|
| 474 | /* YYLAST -- Last index in YYTABLE. */
|
---|
| 475 | #define YYLAST ]b4_last[
|
---|
| 476 |
|
---|
| 477 | /* YYNTOKENS -- Number of terminals. */
|
---|
| 478 | #define YYNTOKENS ]b4_tokens_number[
|
---|
| 479 | /* YYNNTS -- Number of nonterminals. */
|
---|
| 480 | #define YYNNTS ]b4_nterms_number[
|
---|
| 481 | /* YYNRULES -- Number of rules. */
|
---|
| 482 | #define YYNRULES ]b4_rules_number[
|
---|
| 483 | /* YYNRULES -- Number of states. */
|
---|
| 484 | #define YYNSTATES ]b4_states_number[
|
---|
| 485 |
|
---|
| 486 | /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
|
---|
| 487 | #define YYUNDEFTOK ]b4_undef_token_number[
|
---|
| 488 | #define YYMAXUTOK ]b4_user_token_number_max[
|
---|
| 489 |
|
---|
| 490 | #define YYTRANSLATE(YYX) \
|
---|
| 491 | ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
|
---|
| 492 |
|
---|
| 493 | /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
|
---|
| 494 | static const ]b4_int_type_for([b4_translate])[ yytranslate[] =
|
---|
| 495 | {
|
---|
| 496 | ]b4_translate[
|
---|
| 497 | };
|
---|
| 498 |
|
---|
| 499 | #if YYDEBUG
|
---|
| 500 | /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
|
---|
| 501 | YYRHS. */
|
---|
| 502 | static const ]b4_int_type_for([b4_prhs])[ yyprhs[] =
|
---|
| 503 | {
|
---|
| 504 | ]b4_prhs[
|
---|
| 505 | };
|
---|
| 506 |
|
---|
| 507 | /* YYRHS -- A `-1'-separated list of the rules' RHS. */
|
---|
| 508 | static const ]b4_int_type_for([b4_rhs])[ yyrhs[] =
|
---|
| 509 | {
|
---|
| 510 | ]b4_rhs[
|
---|
| 511 | };
|
---|
| 512 |
|
---|
| 513 | /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
|
---|
| 514 | static const ]b4_int_type_for([b4_rline])[ yyrline[] =
|
---|
| 515 | {
|
---|
| 516 | ]b4_rline[
|
---|
| 517 | };
|
---|
| 518 | #endif
|
---|
| 519 |
|
---|
| 520 | #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
|
---|
| 521 | /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
|
---|
| 522 | First, the terminals, then, starting at YYNTOKENS, nonterminals. */
|
---|
| 523 | static const char *const yytname[] =
|
---|
| 524 | {
|
---|
| 525 | ]b4_tname[
|
---|
| 526 | };
|
---|
| 527 | #endif
|
---|
| 528 |
|
---|
| 529 | # ifdef YYPRINT
|
---|
| 530 | /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
|
---|
| 531 | token YYLEX-NUM. */
|
---|
| 532 | static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
|
---|
| 533 | {
|
---|
| 534 | ]b4_toknum[
|
---|
| 535 | };
|
---|
| 536 | # endif
|
---|
| 537 |
|
---|
| 538 | /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
|
---|
| 539 | static const ]b4_int_type_for([b4_r1])[ yyr1[] =
|
---|
| 540 | {
|
---|
| 541 | ]b4_r1[
|
---|
| 542 | };
|
---|
| 543 |
|
---|
| 544 | /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
|
---|
| 545 | static const ]b4_int_type_for([b4_r2])[ yyr2[] =
|
---|
| 546 | {
|
---|
| 547 | ]b4_r2[
|
---|
| 548 | };
|
---|
| 549 |
|
---|
| 550 | /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
|
---|
| 551 | STATE-NUM when YYTABLE doesn't specify something else to do. Zero
|
---|
| 552 | means the default is an error. */
|
---|
| 553 | static const ]b4_int_type_for([b4_defact])[ yydefact[] =
|
---|
| 554 | {
|
---|
| 555 | ]b4_defact[
|
---|
| 556 | };
|
---|
| 557 |
|
---|
| 558 | /* YYDEFGOTO[NTERM-NUM]. */
|
---|
| 559 | static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] =
|
---|
| 560 | {
|
---|
| 561 | ]b4_defgoto[
|
---|
| 562 | };
|
---|
| 563 |
|
---|
| 564 | /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
|
---|
| 565 | STATE-NUM. */
|
---|
| 566 | #define YYPACT_NINF ]b4_pact_ninf[
|
---|
| 567 | static const ]b4_int_type_for([b4_pact])[ yypact[] =
|
---|
| 568 | {
|
---|
| 569 | ]b4_pact[
|
---|
| 570 | };
|
---|
| 571 |
|
---|
| 572 | /* YYPGOTO[NTERM-NUM]. */
|
---|
| 573 | static const ]b4_int_type_for([b4_pgoto])[ yypgoto[] =
|
---|
| 574 | {
|
---|
| 575 | ]b4_pgoto[
|
---|
| 576 | };
|
---|
| 577 |
|
---|
| 578 | /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
|
---|
| 579 | positive, shift that token. If negative, reduce the rule which
|
---|
| 580 | number is the opposite. If zero, do what YYDEFACT says.
|
---|
| 581 | If YYTABLE_NINF, syntax error. */
|
---|
| 582 | #define YYTABLE_NINF ]b4_table_ninf[
|
---|
| 583 | static const ]b4_int_type_for([b4_table])[ yytable[] =
|
---|
| 584 | {
|
---|
| 585 | ]b4_table[
|
---|
| 586 | };
|
---|
| 587 |
|
---|
| 588 | static const ]b4_int_type_for([b4_check])[ yycheck[] =
|
---|
| 589 | {
|
---|
| 590 | ]b4_check[
|
---|
| 591 | };
|
---|
| 592 |
|
---|
| 593 | /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
|
---|
| 594 | symbol of state STATE-NUM. */
|
---|
| 595 | static const ]b4_int_type_for([b4_stos])[ yystos[] =
|
---|
| 596 | {
|
---|
| 597 | ]b4_stos[
|
---|
| 598 | };
|
---|
| 599 |
|
---|
| 600 | #define yyerrok (yyerrstatus = 0)
|
---|
| 601 | #define yyclearin (yychar = YYEMPTY)
|
---|
| 602 | #define YYEMPTY (-2)
|
---|
| 603 | #define YYEOF 0
|
---|
| 604 |
|
---|
| 605 | #define YYACCEPT goto yyacceptlab
|
---|
| 606 | #define YYABORT goto yyabortlab
|
---|
| 607 | #define YYERROR goto yyerrorlab
|
---|
| 608 |
|
---|
| 609 |
|
---|
| 610 | /* Like YYERROR except do call yyerror. This remains here temporarily
|
---|
| 611 | to ease the transition to the new meaning of YYERROR, for GCC.
|
---|
| 612 | Once GCC version 2 has supplanted version 1, this can go. */
|
---|
| 613 |
|
---|
| 614 | #define YYFAIL goto yyerrlab
|
---|
| 615 |
|
---|
| 616 | #define YYRECOVERING() (!!yyerrstatus)
|
---|
| 617 |
|
---|
| 618 | #define YYBACKUP(Token, Value) \
|
---|
| 619 | do \
|
---|
| 620 | if (yychar == YYEMPTY && yylen == 1) \
|
---|
| 621 | { \
|
---|
| 622 | yychar = (Token); \
|
---|
| 623 | yylval = (Value); \
|
---|
| 624 | yytoken = YYTRANSLATE (yychar); \
|
---|
| 625 | YYPOPSTACK (1); \
|
---|
| 626 | goto yybackup; \
|
---|
| 627 | } \
|
---|
| 628 | else \
|
---|
| 629 | { \
|
---|
| 630 | yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
|
---|
| 631 | YYERROR; \
|
---|
| 632 | } \
|
---|
| 633 | while (YYID (0))
|
---|
| 634 |
|
---|
| 635 |
|
---|
| 636 | #define YYTERROR 1
|
---|
| 637 | #define YYERRCODE 256
|
---|
| 638 |
|
---|
| 639 |
|
---|
| 640 | /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
|
---|
| 641 | If N is 0, then set CURRENT to the empty location which ends
|
---|
| 642 | the previous symbol: RHS[0] (always defined). */
|
---|
| 643 |
|
---|
| 644 | #define YYRHSLOC(Rhs, K) ((Rhs)[K])
|
---|
| 645 | #ifndef YYLLOC_DEFAULT
|
---|
| 646 | # define YYLLOC_DEFAULT(Current, Rhs, N) \
|
---|
| 647 | do \
|
---|
| 648 | if (YYID (N)) \
|
---|
| 649 | { \
|
---|
| 650 | (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
|
---|
| 651 | (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
|
---|
| 652 | (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
|
---|
| 653 | (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
|
---|
| 654 | } \
|
---|
| 655 | else \
|
---|
| 656 | { \
|
---|
| 657 | (Current).first_line = (Current).last_line = \
|
---|
| 658 | YYRHSLOC (Rhs, 0).last_line; \
|
---|
| 659 | (Current).first_column = (Current).last_column = \
|
---|
| 660 | YYRHSLOC (Rhs, 0).last_column; \
|
---|
| 661 | } \
|
---|
| 662 | while (YYID (0))
|
---|
| 663 | #endif
|
---|
| 664 |
|
---|
| 665 |
|
---|
| 666 | /* YY_LOCATION_PRINT -- Print the location on the stream.
|
---|
| 667 | This macro was not mandated originally: define only if we know
|
---|
| 668 | we won't break user code: when these are the locations we know. */
|
---|
| 669 |
|
---|
| 670 | #ifndef YY_LOCATION_PRINT
|
---|
| 671 | # if YYLTYPE_IS_TRIVIAL
|
---|
| 672 | # define YY_LOCATION_PRINT(File, Loc) \
|
---|
| 673 | fprintf (File, "%d.%d-%d.%d", \
|
---|
| 674 | (Loc).first_line, (Loc).first_column, \
|
---|
| 675 | (Loc).last_line, (Loc).last_column)
|
---|
| 676 | # else
|
---|
| 677 | # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
|
---|
| 678 | # endif
|
---|
| 679 | #endif
|
---|
| 680 |
|
---|
| 681 |
|
---|
| 682 | /* YYLEX -- calling `yylex' with the right arguments. */
|
---|
| 683 |
|
---|
| 684 | #ifdef YYLEX_PARAM
|
---|
| 685 | # define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM)
|
---|
| 686 | #else
|
---|
| 687 | # define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
|
---|
| 688 | #endif
|
---|
| 689 |
|
---|
| 690 | /* Enable debugging if requested. */
|
---|
| 691 | #if YYDEBUG
|
---|
| 692 |
|
---|
| 693 | # ifndef YYFPRINTF
|
---|
| 694 | # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
|
---|
| 695 | # define YYFPRINTF fprintf
|
---|
| 696 | # endif
|
---|
| 697 |
|
---|
| 698 | # define YYDPRINTF(Args) \
|
---|
| 699 | do { \
|
---|
| 700 | if (yydebug) \
|
---|
| 701 | YYFPRINTF Args; \
|
---|
| 702 | } while (YYID (0))
|
---|
| 703 |
|
---|
| 704 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
|
---|
| 705 | do { \
|
---|
| 706 | if (yydebug) \
|
---|
| 707 | { \
|
---|
| 708 | YYFPRINTF (stderr, "%s ", Title); \
|
---|
| 709 | yy_symbol_print (stderr, \
|
---|
| 710 | Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
|
---|
| 711 | YYFPRINTF (stderr, "\n"); \
|
---|
| 712 | } \
|
---|
| 713 | } while (YYID (0))
|
---|
| 714 |
|
---|
| 715 | ]b4_yy_symbol_print_generate([b4_c_function_def])[
|
---|
| 716 |
|
---|
| 717 | /*------------------------------------------------------------------.
|
---|
| 718 | | yy_stack_print -- Print the state stack from its BOTTOM up to its |
|
---|
| 719 | | TOP (included). |
|
---|
| 720 | `------------------------------------------------------------------*/
|
---|
| 721 |
|
---|
| 722 | ]b4_c_function_def([yy_stack_print], [static void],
|
---|
| 723 | [[yytype_int16 *yybottom], [yybottom]],
|
---|
| 724 | [[yytype_int16 *yytop], [yytop]])[
|
---|
| 725 | {
|
---|
| 726 | YYFPRINTF (stderr, "Stack now");
|
---|
| 727 | for (; yybottom <= yytop; yybottom++)
|
---|
| 728 | {
|
---|
| 729 | int yybot = *yybottom;
|
---|
| 730 | YYFPRINTF (stderr, " %d", yybot);
|
---|
| 731 | }
|
---|
| 732 | YYFPRINTF (stderr, "\n");
|
---|
| 733 | }
|
---|
| 734 |
|
---|
| 735 | # define YY_STACK_PRINT(Bottom, Top) \
|
---|
| 736 | do { \
|
---|
| 737 | if (yydebug) \
|
---|
| 738 | yy_stack_print ((Bottom), (Top)); \
|
---|
| 739 | } while (YYID (0))
|
---|
| 740 |
|
---|
| 741 |
|
---|
| 742 | /*------------------------------------------------.
|
---|
| 743 | | Report that the YYRULE is going to be reduced. |
|
---|
| 744 | `------------------------------------------------*/
|
---|
| 745 |
|
---|
| 746 | ]b4_c_function_def([yy_reduce_print], [static void],
|
---|
| 747 | [[YYSTYPE *yyvsp], [yyvsp]],
|
---|
| 748 | b4_locations_if([[[YYLTYPE *yylsp], [yylsp]],
|
---|
| 749 | ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,
|
---|
| 750 | b4_parse_param]))[
|
---|
| 751 | {
|
---|
| 752 | int yynrhs = yyr2[yyrule];
|
---|
| 753 | int yyi;
|
---|
| 754 | unsigned long int yylno = yyrline[yyrule];
|
---|
| 755 | YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
|
---|
| 756 | yyrule - 1, yylno);
|
---|
| 757 | /* The symbols being reduced. */
|
---|
| 758 | for (yyi = 0; yyi < yynrhs; yyi++)
|
---|
| 759 | {
|
---|
| 760 | YYFPRINTF (stderr, " $%d = ", yyi + 1);
|
---|
| 761 | yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
|
---|
| 762 | &]b4_rhs_value(yynrhs, yyi + 1)[
|
---|
| 763 | ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
|
---|
| 764 | b4_user_args[);
|
---|
| 765 | YYFPRINTF (stderr, "\n");
|
---|
| 766 | }
|
---|
| 767 | }
|
---|
| 768 |
|
---|
| 769 | # define YY_REDUCE_PRINT(Rule) \
|
---|
| 770 | do { \
|
---|
| 771 | if (yydebug) \
|
---|
| 772 | yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
|
---|
| 773 | } while (YYID (0))
|
---|
| 774 |
|
---|
| 775 | /* Nonzero means print parse trace. It is left uninitialized so that
|
---|
| 776 | multiple parsers can coexist. */
|
---|
| 777 | int yydebug;
|
---|
| 778 | #else /* !YYDEBUG */
|
---|
| 779 | # define YYDPRINTF(Args)
|
---|
| 780 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
|
---|
| 781 | # define YY_STACK_PRINT(Bottom, Top)
|
---|
| 782 | # define YY_REDUCE_PRINT(Rule)
|
---|
| 783 | #endif /* !YYDEBUG */
|
---|
| 784 |
|
---|
| 785 |
|
---|
| 786 | /* YYINITDEPTH -- initial size of the parser's stacks. */
|
---|
| 787 | #ifndef YYINITDEPTH
|
---|
| 788 | # define YYINITDEPTH ]b4_stack_depth_init[
|
---|
| 789 | #endif
|
---|
| 790 |
|
---|
| 791 | /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
|
---|
| 792 | if the built-in stack extension method is used).
|
---|
| 793 |
|
---|
| 794 | Do not make this value too large; the results are undefined if
|
---|
| 795 | YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
|
---|
| 796 | evaluated with infinite-precision integer arithmetic. */
|
---|
| 797 |
|
---|
| 798 | #ifndef YYMAXDEPTH
|
---|
| 799 | # define YYMAXDEPTH ]b4_stack_depth_max[
|
---|
| 800 | #endif
|
---|
| 801 |
|
---|
| 802 | |
---|
| 803 |
|
---|
| 804 |
|
---|
| 805 | #if YYERROR_VERBOSE
|
---|
| 806 |
|
---|
| 807 | # ifndef yystrlen
|
---|
| 808 | # if defined __GLIBC__ && defined _STRING_H
|
---|
| 809 | # define yystrlen strlen
|
---|
| 810 | # else
|
---|
| 811 | /* Return the length of YYSTR. */
|
---|
| 812 | ]b4_c_function_def([yystrlen], [static YYSIZE_T],
|
---|
| 813 | [[const char *yystr], [yystr]])[
|
---|
| 814 | {
|
---|
| 815 | YYSIZE_T yylen;
|
---|
| 816 | for (yylen = 0; yystr[yylen]; yylen++)
|
---|
| 817 | continue;
|
---|
| 818 | return yylen;
|
---|
| 819 | }
|
---|
| 820 | # endif
|
---|
| 821 | # endif
|
---|
| 822 |
|
---|
| 823 | # ifndef yystpcpy
|
---|
| 824 | # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
|
---|
| 825 | # define yystpcpy stpcpy
|
---|
| 826 | # else
|
---|
| 827 | /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
|
---|
| 828 | YYDEST. */
|
---|
| 829 | ]b4_c_function_def([yystpcpy], [static char *],
|
---|
| 830 | [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[
|
---|
| 831 | {
|
---|
| 832 | char *yyd = yydest;
|
---|
| 833 | const char *yys = yysrc;
|
---|
| 834 |
|
---|
| 835 | while ((*yyd++ = *yys++) != '\0')
|
---|
| 836 | continue;
|
---|
| 837 |
|
---|
| 838 | return yyd - 1;
|
---|
| 839 | }
|
---|
| 840 | # endif
|
---|
| 841 | # endif
|
---|
| 842 |
|
---|
| 843 | # ifndef yytnamerr
|
---|
| 844 | /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
|
---|
| 845 | quotes and backslashes, so that it's suitable for yyerror. The
|
---|
| 846 | heuristic is that double-quoting is unnecessary unless the string
|
---|
| 847 | contains an apostrophe, a comma, or backslash (other than
|
---|
| 848 | backslash-backslash). YYSTR is taken from yytname. If YYRES is
|
---|
| 849 | null, do not copy; instead, return the length of what the result
|
---|
| 850 | would have been. */
|
---|
| 851 | static YYSIZE_T
|
---|
| 852 | yytnamerr (char *yyres, const char *yystr)
|
---|
| 853 | {
|
---|
| 854 | if (*yystr == '"')
|
---|
| 855 | {
|
---|
| 856 | YYSIZE_T yyn = 0;
|
---|
| 857 | char const *yyp = yystr;
|
---|
| 858 |
|
---|
| 859 | for (;;)
|
---|
| 860 | switch (*++yyp)
|
---|
| 861 | {
|
---|
| 862 | case '\'':
|
---|
| 863 | case ',':
|
---|
| 864 | goto do_not_strip_quotes;
|
---|
| 865 |
|
---|
| 866 | case '\\':
|
---|
| 867 | if (*++yyp != '\\')
|
---|
| 868 | goto do_not_strip_quotes;
|
---|
| 869 | /* Fall through. */
|
---|
| 870 | default:
|
---|
| 871 | if (yyres)
|
---|
| 872 | yyres[yyn] = *yyp;
|
---|
| 873 | yyn++;
|
---|
| 874 | break;
|
---|
| 875 |
|
---|
| 876 | case '"':
|
---|
| 877 | if (yyres)
|
---|
| 878 | yyres[yyn] = '\0';
|
---|
| 879 | return yyn;
|
---|
| 880 | }
|
---|
| 881 | do_not_strip_quotes: ;
|
---|
| 882 | }
|
---|
| 883 |
|
---|
| 884 | if (! yyres)
|
---|
| 885 | return yystrlen (yystr);
|
---|
| 886 |
|
---|
| 887 | return yystpcpy (yyres, yystr) - yyres;
|
---|
| 888 | }
|
---|
| 889 | # endif
|
---|
| 890 |
|
---|
| 891 | /* Copy into YYRESULT an error message about the unexpected token
|
---|
| 892 | YYCHAR while in state YYSTATE. Return the number of bytes copied,
|
---|
| 893 | including the terminating null byte. If YYRESULT is null, do not
|
---|
| 894 | copy anything; just return the number of bytes that would be
|
---|
| 895 | copied. As a special case, return 0 if an ordinary "syntax error"
|
---|
| 896 | message will do. Return YYSIZE_MAXIMUM if overflow occurs during
|
---|
| 897 | size calculation. */
|
---|
| 898 | static YYSIZE_T
|
---|
| 899 | yysyntax_error (char *yyresult, int yystate, int yychar)
|
---|
| 900 | {
|
---|
| 901 | int yyn = yypact[yystate];
|
---|
| 902 |
|
---|
| 903 | if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
|
---|
| 904 | return 0;
|
---|
| 905 | else
|
---|
| 906 | {
|
---|
| 907 | int yytype = YYTRANSLATE (yychar);
|
---|
| 908 | YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
|
---|
| 909 | YYSIZE_T yysize = yysize0;
|
---|
| 910 | YYSIZE_T yysize1;
|
---|
| 911 | int yysize_overflow = 0;
|
---|
| 912 | enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
|
---|
| 913 | char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
|
---|
| 914 | int yyx;
|
---|
| 915 |
|
---|
| 916 | # if 0
|
---|
| 917 | /* This is so xgettext sees the translatable formats that are
|
---|
| 918 | constructed on the fly. */
|
---|
| 919 | YY_("syntax error, unexpected %s");
|
---|
| 920 | YY_("syntax error, unexpected %s, expecting %s");
|
---|
| 921 | YY_("syntax error, unexpected %s, expecting %s or %s");
|
---|
| 922 | YY_("syntax error, unexpected %s, expecting %s or %s or %s");
|
---|
| 923 | YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
|
---|
| 924 | # endif
|
---|
| 925 | char *yyfmt;
|
---|
| 926 | char const *yyf;
|
---|
| 927 | static char const yyunexpected[] = "syntax error, unexpected %s";
|
---|
| 928 | static char const yyexpecting[] = ", expecting %s";
|
---|
| 929 | static char const yyor[] = " or %s";
|
---|
| 930 | char yyformat[sizeof yyunexpected
|
---|
| 931 | + sizeof yyexpecting - 1
|
---|
| 932 | + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
|
---|
| 933 | * (sizeof yyor - 1))];
|
---|
| 934 | char const *yyprefix = yyexpecting;
|
---|
| 935 |
|
---|
| 936 | /* Start YYX at -YYN if negative to avoid negative indexes in
|
---|
| 937 | YYCHECK. */
|
---|
| 938 | int yyxbegin = yyn < 0 ? -yyn : 0;
|
---|
| 939 |
|
---|
| 940 | /* Stay within bounds of both yycheck and yytname. */
|
---|
| 941 | int yychecklim = YYLAST - yyn + 1;
|
---|
| 942 | int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
|
---|
| 943 | int yycount = 1;
|
---|
| 944 |
|
---|
| 945 | yyarg[0] = yytname[yytype];
|
---|
| 946 | yyfmt = yystpcpy (yyformat, yyunexpected);
|
---|
| 947 |
|
---|
| 948 | for (yyx = yyxbegin; yyx < yyxend; ++yyx)
|
---|
| 949 | if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
|
---|
| 950 | {
|
---|
| 951 | if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
|
---|
| 952 | {
|
---|
| 953 | yycount = 1;
|
---|
| 954 | yysize = yysize0;
|
---|
| 955 | yyformat[sizeof yyunexpected - 1] = '\0';
|
---|
| 956 | break;
|
---|
| 957 | }
|
---|
| 958 | yyarg[yycount++] = yytname[yyx];
|
---|
| 959 | yysize1 = yysize + yytnamerr (0, yytname[yyx]);
|
---|
| 960 | yysize_overflow |= (yysize1 < yysize);
|
---|
| 961 | yysize = yysize1;
|
---|
| 962 | yyfmt = yystpcpy (yyfmt, yyprefix);
|
---|
| 963 | yyprefix = yyor;
|
---|
| 964 | }
|
---|
| 965 |
|
---|
| 966 | yyf = YY_(yyformat);
|
---|
| 967 | yysize1 = yysize + yystrlen (yyf);
|
---|
| 968 | yysize_overflow |= (yysize1 < yysize);
|
---|
| 969 | yysize = yysize1;
|
---|
| 970 |
|
---|
| 971 | if (yysize_overflow)
|
---|
| 972 | return YYSIZE_MAXIMUM;
|
---|
| 973 |
|
---|
| 974 | if (yyresult)
|
---|
| 975 | {
|
---|
| 976 | /* Avoid sprintf, as that infringes on the user's name space.
|
---|
| 977 | Don't have undefined behavior even if the translation
|
---|
| 978 | produced a string with the wrong number of "%s"s. */
|
---|
| 979 | char *yyp = yyresult;
|
---|
| 980 | int yyi = 0;
|
---|
| 981 | while ((*yyp = *yyf) != '\0')
|
---|
| 982 | {
|
---|
| 983 | if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
|
---|
| 984 | {
|
---|
| 985 | yyp += yytnamerr (yyp, yyarg[yyi++]);
|
---|
| 986 | yyf += 2;
|
---|
| 987 | }
|
---|
| 988 | else
|
---|
| 989 | {
|
---|
| 990 | yyp++;
|
---|
| 991 | yyf++;
|
---|
| 992 | }
|
---|
| 993 | }
|
---|
| 994 | }
|
---|
| 995 | return yysize;
|
---|
| 996 | }
|
---|
| 997 | }
|
---|
| 998 | #endif /* YYERROR_VERBOSE */
|
---|
| 999 | |
---|
| 1000 |
|
---|
| 1001 |
|
---|
| 1002 | ]b4_yydestruct_generate([b4_c_function_def])[
|
---|
| 1003 |
|
---|
| 1004 | ]b4_push_if([],
|
---|
| 1005 | [[/* Prevent warnings from -Wmissing-prototypes. */
|
---|
| 1006 | #ifdef YYPARSE_PARAM
|
---|
| 1007 | ]b4_c_function_decl([yyparse], [int],
|
---|
| 1008 | [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[
|
---|
| 1009 | #else /* ! YYPARSE_PARAM */
|
---|
| 1010 | ]b4_c_function_decl([yyparse], [int], b4_parse_param)[
|
---|
| 1011 | #endif /* ! YYPARSE_PARAM */]])
|
---|
| 1012 |
|
---|
| 1013 | m4_divert_push([KILL])# ======================== M4 code.
|
---|
| 1014 | # b4_declare_scanner_communication_variables
|
---|
| 1015 | # ------------------------------------------
|
---|
| 1016 | # Declare the variables that are global, or local to YYPARSE if
|
---|
| 1017 | # pure-parser.
|
---|
| 1018 | m4_define([b4_declare_scanner_communication_variables],
|
---|
| 1019 | [[/* The lookahead symbol. */
|
---|
| 1020 | int yychar;
|
---|
| 1021 |
|
---|
| 1022 | /* The semantic value of the lookahead symbol. */
|
---|
| 1023 | YYSTYPE yylval;
|
---|
| 1024 | ]b4_locations_if([[
|
---|
| 1025 | /* Location data for the lookahead symbol. */
|
---|
| 1026 | YYLTYPE yylloc;
|
---|
| 1027 | ]])b4_pure_if([], [[
|
---|
| 1028 | /* Number of syntax errors so far. */
|
---|
| 1029 | int yynerrs;
|
---|
| 1030 | ]])])
|
---|
| 1031 |
|
---|
| 1032 | # b4_declare_parser_state_variables
|
---|
| 1033 | # ---------------------------------
|
---|
| 1034 | # Declare all the variables that are needed to maintain the parser state
|
---|
| 1035 | # between calls to yypush_parse.
|
---|
| 1036 | m4_define([b4_declare_parser_state_variables],
|
---|
| 1037 | [b4_pure_if([[ /* Number of syntax errors so far. */
|
---|
| 1038 | int yynerrs;
|
---|
| 1039 | ]])[
|
---|
| 1040 | int yystate;
|
---|
| 1041 | /* Number of tokens to shift before error messages enabled. */
|
---|
| 1042 | int yyerrstatus;
|
---|
| 1043 |
|
---|
| 1044 | /* The stacks and their tools:
|
---|
| 1045 | `yyss': related to states.
|
---|
| 1046 | `yyvs': related to semantic values.]b4_locations_if([[
|
---|
| 1047 | `yyls': related to locations.]])[
|
---|
| 1048 |
|
---|
| 1049 | Refer to the stacks thru separate pointers, to allow yyoverflow
|
---|
| 1050 | to reallocate them elsewhere. */
|
---|
| 1051 |
|
---|
| 1052 | /* The state stack. */
|
---|
| 1053 | yytype_int16 yyssa[YYINITDEPTH];
|
---|
| 1054 | yytype_int16 *yyss;
|
---|
| 1055 | yytype_int16 *yyssp;
|
---|
| 1056 |
|
---|
| 1057 | /* The semantic value stack. */
|
---|
| 1058 | YYSTYPE yyvsa[YYINITDEPTH];
|
---|
| 1059 | YYSTYPE *yyvs;
|
---|
| 1060 | YYSTYPE *yyvsp;
|
---|
| 1061 | ]b4_locations_if([[
|
---|
| 1062 | /* The location stack. */
|
---|
| 1063 | YYLTYPE yylsa[YYINITDEPTH];
|
---|
| 1064 | YYLTYPE *yyls;
|
---|
| 1065 | YYLTYPE *yylsp;
|
---|
| 1066 |
|
---|
| 1067 | /* The locations where the error started and ended. */
|
---|
| 1068 | YYLTYPE yyerror_range[2];
|
---|
| 1069 | ]])[
|
---|
| 1070 | YYSIZE_T yystacksize;
|
---|
| 1071 | ]])
|
---|
| 1072 |
|
---|
| 1073 | m4_divert_pop([KILL])dnl# ====================== End of M4 code.
|
---|
| 1074 |
|
---|
| 1075 | b4_pure_if([], [b4_declare_scanner_communication_variables])
|
---|
| 1076 |
|
---|
| 1077 | b4_push_if(
|
---|
| 1078 | [[struct yypstate
|
---|
| 1079 | {
|
---|
| 1080 | ]b4_declare_parser_state_variables[
|
---|
| 1081 | /* Used to determine if this is the first time this instance has
|
---|
| 1082 | been used. */
|
---|
| 1083 | int yynew;
|
---|
| 1084 | };]b4_pure_if([], [[
|
---|
| 1085 |
|
---|
| 1086 | static char yypstate_allocated = 0;]])b4_pull_if([
|
---|
| 1087 |
|
---|
| 1088 | b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[
|
---|
| 1089 | {
|
---|
| 1090 | return yypull_parse (0]m4_ifset([b4_parse_param],
|
---|
| 1091 | [[, ]b4_c_args(b4_parse_param)])[);
|
---|
| 1092 | }
|
---|
| 1093 |
|
---|
| 1094 | ]b4_c_function_def([[yypull_parse]], [[int]],
|
---|
| 1095 | [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
|
---|
| 1096 | b4_parse_param]))[
|
---|
| 1097 | {
|
---|
| 1098 | int yystatus;
|
---|
| 1099 | yypstate *yyps_local;]b4_pure_if([[
|
---|
| 1100 | int yychar;
|
---|
| 1101 | YYSTYPE yylval;]b4_locations_if([[
|
---|
| 1102 | YYLTYPE yylloc;]])])[
|
---|
| 1103 | if (yyps == 0)
|
---|
| 1104 | {
|
---|
| 1105 | yyps_local = yypstate_new ();
|
---|
| 1106 | if (!yyps_local)
|
---|
| 1107 | {]b4_pure_if([[
|
---|
| 1108 | yyerror (]b4_yyerror_args[YY_("memory exhausted"));]], [[
|
---|
| 1109 | if (!yypstate_allocated)
|
---|
| 1110 | yyerror (]b4_yyerror_args[YY_("memory exhausted"));]])[
|
---|
| 1111 | return 2;
|
---|
| 1112 | }
|
---|
| 1113 | }
|
---|
| 1114 | else
|
---|
| 1115 | yyps_local = yyps;
|
---|
| 1116 | do {
|
---|
| 1117 | yychar = YYLEX;
|
---|
| 1118 | yystatus =
|
---|
| 1119 | yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[);
|
---|
| 1120 | } while (yystatus == YYPUSH_MORE);
|
---|
| 1121 | if (yyps == 0)
|
---|
| 1122 | yypstate_delete (yyps_local);
|
---|
| 1123 | return yystatus;
|
---|
| 1124 | }]])[
|
---|
| 1125 |
|
---|
| 1126 | /* Initialize the parser data structure. */
|
---|
| 1127 | ]b4_c_function_def([[yypstate_new]], [[yypstate *]])[
|
---|
| 1128 | {
|
---|
| 1129 | yypstate *yyps;]b4_pure_if([], [[
|
---|
| 1130 | if (yypstate_allocated)
|
---|
| 1131 | return 0;]])[
|
---|
| 1132 | yyps = (yypstate *) malloc (sizeof *yyps);
|
---|
| 1133 | if (!yyps)
|
---|
| 1134 | return 0;
|
---|
| 1135 | yyps->yynew = 1;]b4_pure_if([], [[
|
---|
| 1136 | yypstate_allocated = 1;]])[
|
---|
| 1137 | return yyps;
|
---|
| 1138 | }
|
---|
| 1139 |
|
---|
| 1140 | ]b4_c_function_def([[yypstate_delete]], [[void]],
|
---|
| 1141 | [[[yypstate *yyps]], [[yyps]]])[
|
---|
| 1142 | {
|
---|
| 1143 | #ifndef yyoverflow
|
---|
| 1144 | /* If the stack was reallocated but the parse did not complete, then the
|
---|
| 1145 | stack still needs to be freed. */
|
---|
| 1146 | if (!yyps->yynew && yyps->yyss != yyps->yyssa)
|
---|
| 1147 | YYSTACK_FREE (yyps->yyss);
|
---|
| 1148 | #endif
|
---|
| 1149 | free (yyps);]b4_pure_if([], [[
|
---|
| 1150 | yypstate_allocated = 0;]])[
|
---|
| 1151 | }
|
---|
| 1152 |
|
---|
| 1153 | ]b4_pure_if([[#define ]b4_prefix[nerrs yyps->]b4_prefix[nerrs
|
---|
| 1154 | ]])[#define yystate yyps->yystate
|
---|
| 1155 | #define yyerrstatus yyps->yyerrstatus
|
---|
| 1156 | #define yyssa yyps->yyssa
|
---|
| 1157 | #define yyss yyps->yyss
|
---|
| 1158 | #define yyssp yyps->yyssp
|
---|
| 1159 | #define yyvsa yyps->yyvsa
|
---|
| 1160 | #define yyvs yyps->yyvs
|
---|
| 1161 | #define yyvsp yyps->yyvsp
|
---|
| 1162 | ]b4_locations_if([[#define yylsa yyps->yylsa
|
---|
| 1163 | #define yyls yyps->yyls
|
---|
| 1164 | #define yylsp yyps->yylsp
|
---|
| 1165 | #define yyerror_range yyps->yyerror_range
|
---|
| 1166 | ]])[#define yystacksize yyps->yystacksize
|
---|
| 1167 | ]])[
|
---|
| 1168 | /*-------------------------.
|
---|
| 1169 | | yyparse or yypush_parse. |
|
---|
| 1170 | `-------------------------*/
|
---|
| 1171 | ]b4_push_if([
|
---|
| 1172 | b4_c_function_def([[yypush_parse]], [[int]],
|
---|
| 1173 | [[[yypstate *yyps]], [[yyps]]]b4_pure_if([,
|
---|
| 1174 | [[[int yypushed_char]], [[yypushed_char]]],
|
---|
| 1175 | [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
|
---|
| 1176 | [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
|
---|
| 1177 | b4_parse_param]))], [
|
---|
| 1178 | #ifdef YYPARSE_PARAM
|
---|
| 1179 | b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])
|
---|
| 1180 | #else /* ! YYPARSE_PARAM */
|
---|
| 1181 | b4_c_function_def([yyparse], [int], b4_parse_param)
|
---|
| 1182 | #endif])[
|
---|
| 1183 | {
|
---|
| 1184 | ]b4_pure_if([b4_declare_scanner_communication_variables])
|
---|
| 1185 | b4_push_if([b4_pure_if([], [[ int yypushed_char = yychar;
|
---|
| 1186 | YYSTYPE yypushed_val = yylval;
|
---|
| 1187 | ]b4_locations_if([[YYLTYPE yypushed_loc = yylloc;
|
---|
| 1188 | ]])])],
|
---|
| 1189 | [b4_declare_parser_state_variables])[
|
---|
| 1190 | int yyn;
|
---|
| 1191 | int yyresult;
|
---|
| 1192 | /* Lookahead token as an internal (translated) token number. */
|
---|
| 1193 | int yytoken;
|
---|
| 1194 | /* The variables used to return semantic value and location from the
|
---|
| 1195 | action routines. */
|
---|
| 1196 | YYSTYPE yyval;]b4_locations_if([[
|
---|
| 1197 | YYLTYPE yyloc;]])[
|
---|
| 1198 |
|
---|
| 1199 | #if YYERROR_VERBOSE
|
---|
| 1200 | /* Buffer for error messages, and its allocated size. */
|
---|
| 1201 | char yymsgbuf[128];
|
---|
| 1202 | char *yymsg = yymsgbuf;
|
---|
| 1203 | YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
|
---|
| 1204 | #endif
|
---|
| 1205 |
|
---|
| 1206 | #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_locations_if([, yylsp -= (N)])[)
|
---|
| 1207 |
|
---|
| 1208 | /* The number of symbols on the RHS of the reduced rule.
|
---|
| 1209 | Keep to zero when no symbol should be popped. */
|
---|
| 1210 | int yylen = 0;]b4_push_if([[
|
---|
| 1211 |
|
---|
| 1212 | if (!yyps->yynew)
|
---|
| 1213 | {
|
---|
| 1214 | yyn = yypact[yystate];
|
---|
| 1215 | goto yyread_pushed_token;
|
---|
| 1216 | }]])[
|
---|
| 1217 |
|
---|
| 1218 | yytoken = 0;
|
---|
| 1219 | yyss = yyssa;
|
---|
| 1220 | yyvs = yyvsa;]b4_locations_if([[
|
---|
| 1221 | yyls = yylsa;]])[
|
---|
| 1222 | yystacksize = YYINITDEPTH;
|
---|
| 1223 |
|
---|
| 1224 | YYDPRINTF ((stderr, "Starting parse\n"));
|
---|
| 1225 |
|
---|
| 1226 | yystate = 0;
|
---|
| 1227 | yyerrstatus = 0;
|
---|
| 1228 | yynerrs = 0;
|
---|
| 1229 | yychar = YYEMPTY; /* Cause a token to be read. */
|
---|
| 1230 |
|
---|
| 1231 | /* Initialize stack pointers.
|
---|
| 1232 | Waste one element of value and location stack
|
---|
| 1233 | so that they stay on the same level as the state stack.
|
---|
| 1234 | The wasted elements are never initialized. */
|
---|
| 1235 | yyssp = yyss;
|
---|
| 1236 | yyvsp = yyvs;]b4_locations_if([[
|
---|
| 1237 | yylsp = yyls;
|
---|
| 1238 |
|
---|
| 1239 | #if YYLTYPE_IS_TRIVIAL
|
---|
| 1240 | /* Initialize the default location before parsing starts. */
|
---|
| 1241 | yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[;
|
---|
| 1242 | yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
|
---|
| 1243 | #endif]])
|
---|
| 1244 | m4_ifdef([b4_initial_action],[
|
---|
| 1245 | m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl
|
---|
| 1246 | m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl
|
---|
| 1247 | /* User initialization code. */
|
---|
| 1248 | b4_user_initial_action
|
---|
| 1249 | m4_popdef([b4_dollar_dollar])dnl
|
---|
| 1250 | m4_popdef([b4_at_dollar])])dnl
|
---|
| 1251 | m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval;
|
---|
| 1252 | ]])dnl
|
---|
| 1253 | m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc;
|
---|
| 1254 | ]])[
|
---|
| 1255 | goto yysetstate;
|
---|
| 1256 |
|
---|
| 1257 | /*------------------------------------------------------------.
|
---|
| 1258 | | yynewstate -- Push a new state, which is found in yystate. |
|
---|
| 1259 | `------------------------------------------------------------*/
|
---|
| 1260 | yynewstate:
|
---|
| 1261 | /* In all cases, when you get here, the value and location stacks
|
---|
| 1262 | have just been pushed. So pushing a state here evens the stacks. */
|
---|
| 1263 | yyssp++;
|
---|
| 1264 |
|
---|
| 1265 | yysetstate:
|
---|
| 1266 | *yyssp = yystate;
|
---|
| 1267 |
|
---|
| 1268 | if (yyss + yystacksize - 1 <= yyssp)
|
---|
| 1269 | {
|
---|
| 1270 | /* Get the current used size of the three stacks, in elements. */
|
---|
| 1271 | YYSIZE_T yysize = yyssp - yyss + 1;
|
---|
| 1272 |
|
---|
| 1273 | #ifdef yyoverflow
|
---|
| 1274 | {
|
---|
| 1275 | /* Give user a chance to reallocate the stack. Use copies of
|
---|
| 1276 | these so that the &'s don't force the real ones into
|
---|
| 1277 | memory. */
|
---|
| 1278 | YYSTYPE *yyvs1 = yyvs;
|
---|
| 1279 | yytype_int16 *yyss1 = yyss;]b4_locations_if([
|
---|
| 1280 | YYLTYPE *yyls1 = yyls;])[
|
---|
| 1281 |
|
---|
| 1282 | /* Each stack pointer address is followed by the size of the
|
---|
| 1283 | data in use in that stack, in bytes. This used to be a
|
---|
| 1284 | conditional around just the two extra args, but that might
|
---|
| 1285 | be undefined if yyoverflow is a macro. */
|
---|
| 1286 | yyoverflow (YY_("memory exhausted"),
|
---|
| 1287 | &yyss1, yysize * sizeof (*yyssp),
|
---|
| 1288 | &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
|
---|
| 1289 | &yyls1, yysize * sizeof (*yylsp),])[
|
---|
| 1290 | &yystacksize);
|
---|
| 1291 | ]b4_locations_if([
|
---|
| 1292 | yyls = yyls1;])[
|
---|
| 1293 | yyss = yyss1;
|
---|
| 1294 | yyvs = yyvs1;
|
---|
| 1295 | }
|
---|
| 1296 | #else /* no yyoverflow */
|
---|
| 1297 | # ifndef YYSTACK_RELOCATE
|
---|
| 1298 | goto yyexhaustedlab;
|
---|
| 1299 | # else
|
---|
| 1300 | /* Extend the stack our own way. */
|
---|
| 1301 | if (YYMAXDEPTH <= yystacksize)
|
---|
| 1302 | goto yyexhaustedlab;
|
---|
| 1303 | yystacksize *= 2;
|
---|
| 1304 | if (YYMAXDEPTH < yystacksize)
|
---|
| 1305 | yystacksize = YYMAXDEPTH;
|
---|
| 1306 |
|
---|
| 1307 | {
|
---|
| 1308 | yytype_int16 *yyss1 = yyss;
|
---|
| 1309 | union yyalloc *yyptr =
|
---|
| 1310 | (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
|
---|
| 1311 | if (! yyptr)
|
---|
| 1312 | goto yyexhaustedlab;
|
---|
| 1313 | YYSTACK_RELOCATE (yyss_alloc, yyss);
|
---|
| 1314 | YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
|
---|
| 1315 | YYSTACK_RELOCATE (yyls_alloc, yyls);])[
|
---|
| 1316 | # undef YYSTACK_RELOCATE
|
---|
| 1317 | if (yyss1 != yyssa)
|
---|
| 1318 | YYSTACK_FREE (yyss1);
|
---|
| 1319 | }
|
---|
| 1320 | # endif
|
---|
| 1321 | #endif /* no yyoverflow */
|
---|
| 1322 |
|
---|
| 1323 | yyssp = yyss + yysize - 1;
|
---|
| 1324 | yyvsp = yyvs + yysize - 1;]b4_locations_if([
|
---|
| 1325 | yylsp = yyls + yysize - 1;])[
|
---|
| 1326 |
|
---|
| 1327 | YYDPRINTF ((stderr, "Stack size increased to %lu\n",
|
---|
| 1328 | (unsigned long int) yystacksize));
|
---|
| 1329 |
|
---|
| 1330 | if (yyss + yystacksize - 1 <= yyssp)
|
---|
| 1331 | YYABORT;
|
---|
| 1332 | }
|
---|
| 1333 |
|
---|
| 1334 | YYDPRINTF ((stderr, "Entering state %d\n", yystate));
|
---|
| 1335 |
|
---|
| 1336 | if (yystate == YYFINAL)
|
---|
| 1337 | YYACCEPT;
|
---|
| 1338 |
|
---|
| 1339 | goto yybackup;
|
---|
| 1340 |
|
---|
| 1341 | /*-----------.
|
---|
| 1342 | | yybackup. |
|
---|
| 1343 | `-----------*/
|
---|
| 1344 | yybackup:
|
---|
| 1345 |
|
---|
| 1346 | /* Do appropriate processing given the current state. Read a
|
---|
| 1347 | lookahead token if we need one and don't already have one. */
|
---|
| 1348 |
|
---|
| 1349 | /* First try to decide what to do without reference to lookahead token. */
|
---|
| 1350 | yyn = yypact[yystate];
|
---|
| 1351 | if (yyn == YYPACT_NINF)
|
---|
| 1352 | goto yydefault;
|
---|
| 1353 |
|
---|
| 1354 | /* Not known => get a lookahead token if don't already have one. */
|
---|
| 1355 |
|
---|
| 1356 | /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
|
---|
| 1357 | if (yychar == YYEMPTY)
|
---|
| 1358 | {]b4_push_if([[
|
---|
| 1359 | if (!yyps->yynew)
|
---|
| 1360 | {]b4_use_push_for_pull_if([], [[
|
---|
| 1361 | YYDPRINTF ((stderr, "Return for a new token:\n"));]])[
|
---|
| 1362 | yyresult = YYPUSH_MORE;
|
---|
| 1363 | goto yypushreturn;
|
---|
| 1364 | }
|
---|
| 1365 | yyps->yynew = 0;]b4_pure_if([], [[
|
---|
| 1366 | /* Restoring the pushed token is only necessary for the first
|
---|
| 1367 | yypush_parse invocation since subsequent invocations don't overwrite
|
---|
| 1368 | it before jumping to yyread_pushed_token. */
|
---|
| 1369 | yychar = yypushed_char;
|
---|
| 1370 | yylval = yypushed_val;]b4_locations_if([[
|
---|
| 1371 | yylloc = yypushed_loc;]])])[
|
---|
| 1372 | yyread_pushed_token:]])[
|
---|
| 1373 | YYDPRINTF ((stderr, "Reading a token: "));]b4_push_if([b4_pure_if([[
|
---|
| 1374 | yychar = yypushed_char;
|
---|
| 1375 | if (yypushed_val)
|
---|
| 1376 | yylval = *yypushed_val;]b4_locations_if([[
|
---|
| 1377 | if (yypushed_loc)
|
---|
| 1378 | yylloc = *yypushed_loc;]])])], [[
|
---|
| 1379 | yychar = YYLEX;]])[
|
---|
| 1380 | }
|
---|
| 1381 |
|
---|
| 1382 | if (yychar <= YYEOF)
|
---|
| 1383 | {
|
---|
| 1384 | yychar = yytoken = YYEOF;
|
---|
| 1385 | YYDPRINTF ((stderr, "Now at end of input.\n"));
|
---|
| 1386 | }
|
---|
| 1387 | else
|
---|
| 1388 | {
|
---|
| 1389 | yytoken = YYTRANSLATE (yychar);
|
---|
| 1390 | YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
|
---|
| 1391 | }
|
---|
| 1392 |
|
---|
| 1393 | /* If the proper action on seeing token YYTOKEN is to reduce or to
|
---|
| 1394 | detect an error, take that action. */
|
---|
| 1395 | yyn += yytoken;
|
---|
| 1396 | if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
|
---|
| 1397 | goto yydefault;
|
---|
| 1398 | yyn = yytable[yyn];
|
---|
| 1399 | if (yyn <= 0)
|
---|
| 1400 | {
|
---|
| 1401 | if (yyn == 0 || yyn == YYTABLE_NINF)
|
---|
| 1402 | goto yyerrlab;
|
---|
| 1403 | yyn = -yyn;
|
---|
| 1404 | goto yyreduce;
|
---|
| 1405 | }
|
---|
| 1406 |
|
---|
| 1407 | /* Count tokens shifted since error; after three, turn off error
|
---|
| 1408 | status. */
|
---|
| 1409 | if (yyerrstatus)
|
---|
| 1410 | yyerrstatus--;
|
---|
| 1411 |
|
---|
| 1412 | /* Shift the lookahead token. */
|
---|
| 1413 | YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
|
---|
| 1414 |
|
---|
| 1415 | /* Discard the shifted token. */
|
---|
| 1416 | yychar = YYEMPTY;
|
---|
| 1417 |
|
---|
| 1418 | yystate = yyn;
|
---|
| 1419 | *++yyvsp = yylval;
|
---|
| 1420 | ]b4_locations_if([ *++yylsp = yylloc;])[
|
---|
| 1421 | goto yynewstate;
|
---|
| 1422 |
|
---|
| 1423 |
|
---|
| 1424 | /*-----------------------------------------------------------.
|
---|
| 1425 | | yydefault -- do the default action for the current state. |
|
---|
| 1426 | `-----------------------------------------------------------*/
|
---|
| 1427 | yydefault:
|
---|
| 1428 | yyn = yydefact[yystate];
|
---|
| 1429 | if (yyn == 0)
|
---|
| 1430 | goto yyerrlab;
|
---|
| 1431 | goto yyreduce;
|
---|
| 1432 |
|
---|
| 1433 |
|
---|
| 1434 | /*-----------------------------.
|
---|
| 1435 | | yyreduce -- Do a reduction. |
|
---|
| 1436 | `-----------------------------*/
|
---|
| 1437 | yyreduce:
|
---|
| 1438 | /* yyn is the number of a rule to reduce with. */
|
---|
| 1439 | yylen = yyr2[yyn];
|
---|
| 1440 |
|
---|
| 1441 | /* If YYLEN is nonzero, implement the default value of the action:
|
---|
| 1442 | `$$ = $1'.
|
---|
| 1443 |
|
---|
| 1444 | Otherwise, the following line sets YYVAL to garbage.
|
---|
| 1445 | This behavior is undocumented and Bison
|
---|
| 1446 | users should not rely upon it. Assigning to YYVAL
|
---|
| 1447 | unconditionally makes the parser a bit smaller, and it avoids a
|
---|
| 1448 | GCC warning that YYVAL may be used uninitialized. */
|
---|
| 1449 | yyval = yyvsp[1-yylen];
|
---|
| 1450 |
|
---|
| 1451 | ]b4_locations_if(
|
---|
| 1452 | [[ /* Default location. */
|
---|
| 1453 | YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[
|
---|
| 1454 | YY_REDUCE_PRINT (yyn);
|
---|
| 1455 | switch (yyn)
|
---|
| 1456 | {
|
---|
| 1457 | ]b4_user_actions[
|
---|
| 1458 | default: break;
|
---|
| 1459 | }
|
---|
| 1460 | YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
|
---|
| 1461 |
|
---|
| 1462 | YYPOPSTACK (yylen);
|
---|
| 1463 | yylen = 0;
|
---|
| 1464 | YY_STACK_PRINT (yyss, yyssp);
|
---|
| 1465 |
|
---|
| 1466 | *++yyvsp = yyval;]b4_locations_if([
|
---|
| 1467 | *++yylsp = yyloc;])[
|
---|
| 1468 |
|
---|
| 1469 | /* Now `shift' the result of the reduction. Determine what state
|
---|
| 1470 | that goes to, based on the state we popped back to and the rule
|
---|
| 1471 | number reduced by. */
|
---|
| 1472 |
|
---|
| 1473 | yyn = yyr1[yyn];
|
---|
| 1474 |
|
---|
| 1475 | yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
|
---|
| 1476 | if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
|
---|
| 1477 | yystate = yytable[yystate];
|
---|
| 1478 | else
|
---|
| 1479 | yystate = yydefgoto[yyn - YYNTOKENS];
|
---|
| 1480 |
|
---|
| 1481 | goto yynewstate;
|
---|
| 1482 |
|
---|
| 1483 |
|
---|
| 1484 | /*------------------------------------.
|
---|
| 1485 | | yyerrlab -- here on detecting error |
|
---|
| 1486 | `------------------------------------*/
|
---|
| 1487 | yyerrlab:
|
---|
| 1488 | /* If not already recovering from an error, report this error. */
|
---|
| 1489 | if (!yyerrstatus)
|
---|
| 1490 | {
|
---|
| 1491 | ++yynerrs;
|
---|
| 1492 | #if ! YYERROR_VERBOSE
|
---|
| 1493 | yyerror (]b4_yyerror_args[YY_("syntax error"));
|
---|
| 1494 | #else
|
---|
| 1495 | {
|
---|
| 1496 | YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
|
---|
| 1497 | if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
|
---|
| 1498 | {
|
---|
| 1499 | YYSIZE_T yyalloc = 2 * yysize;
|
---|
| 1500 | if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
|
---|
| 1501 | yyalloc = YYSTACK_ALLOC_MAXIMUM;
|
---|
| 1502 | if (yymsg != yymsgbuf)
|
---|
| 1503 | YYSTACK_FREE (yymsg);
|
---|
| 1504 | yymsg = (char *) YYSTACK_ALLOC (yyalloc);
|
---|
| 1505 | if (yymsg)
|
---|
| 1506 | yymsg_alloc = yyalloc;
|
---|
| 1507 | else
|
---|
| 1508 | {
|
---|
| 1509 | yymsg = yymsgbuf;
|
---|
| 1510 | yymsg_alloc = sizeof yymsgbuf;
|
---|
| 1511 | }
|
---|
| 1512 | }
|
---|
| 1513 |
|
---|
| 1514 | if (0 < yysize && yysize <= yymsg_alloc)
|
---|
| 1515 | {
|
---|
| 1516 | (void) yysyntax_error (yymsg, yystate, yychar);
|
---|
| 1517 | yyerror (]b4_yyerror_args[yymsg);
|
---|
| 1518 | }
|
---|
| 1519 | else
|
---|
| 1520 | {
|
---|
| 1521 | yyerror (]b4_yyerror_args[YY_("syntax error"));
|
---|
| 1522 | if (yysize != 0)
|
---|
| 1523 | goto yyexhaustedlab;
|
---|
| 1524 | }
|
---|
| 1525 | }
|
---|
| 1526 | #endif
|
---|
| 1527 | }
|
---|
| 1528 |
|
---|
| 1529 | ]b4_locations_if([[ yyerror_range[0] = yylloc;]])[
|
---|
| 1530 |
|
---|
| 1531 | if (yyerrstatus == 3)
|
---|
| 1532 | {
|
---|
| 1533 | /* If just tried and failed to reuse lookahead token after an
|
---|
| 1534 | error, discard it. */
|
---|
| 1535 |
|
---|
| 1536 | if (yychar <= YYEOF)
|
---|
| 1537 | {
|
---|
| 1538 | /* Return failure if at end of input. */
|
---|
| 1539 | if (yychar == YYEOF)
|
---|
| 1540 | YYABORT;
|
---|
| 1541 | }
|
---|
| 1542 | else
|
---|
| 1543 | {
|
---|
| 1544 | yydestruct ("Error: discarding",
|
---|
| 1545 | yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
|
---|
| 1546 | yychar = YYEMPTY;
|
---|
| 1547 | }
|
---|
| 1548 | }
|
---|
| 1549 |
|
---|
| 1550 | /* Else will try to reuse lookahead token after shifting the error
|
---|
| 1551 | token. */
|
---|
| 1552 | goto yyerrlab1;
|
---|
| 1553 |
|
---|
| 1554 |
|
---|
| 1555 | /*---------------------------------------------------.
|
---|
| 1556 | | yyerrorlab -- error raised explicitly by YYERROR. |
|
---|
| 1557 | `---------------------------------------------------*/
|
---|
| 1558 | yyerrorlab:
|
---|
| 1559 |
|
---|
| 1560 | /* Pacify compilers like GCC when the user code never invokes
|
---|
| 1561 | YYERROR and the label yyerrorlab therefore never appears in user
|
---|
| 1562 | code. */
|
---|
| 1563 | if (/*CONSTCOND*/ 0)
|
---|
| 1564 | goto yyerrorlab;
|
---|
| 1565 |
|
---|
| 1566 | ]b4_locations_if([[ yyerror_range[0] = yylsp[1-yylen];
|
---|
| 1567 | ]])[ /* Do not reclaim the symbols of the rule which action triggered
|
---|
| 1568 | this YYERROR. */
|
---|
| 1569 | YYPOPSTACK (yylen);
|
---|
| 1570 | yylen = 0;
|
---|
| 1571 | YY_STACK_PRINT (yyss, yyssp);
|
---|
| 1572 | yystate = *yyssp;
|
---|
| 1573 | goto yyerrlab1;
|
---|
| 1574 |
|
---|
| 1575 |
|
---|
| 1576 | /*-------------------------------------------------------------.
|
---|
| 1577 | | yyerrlab1 -- common code for both syntax error and YYERROR. |
|
---|
| 1578 | `-------------------------------------------------------------*/
|
---|
| 1579 | yyerrlab1:
|
---|
| 1580 | yyerrstatus = 3; /* Each real token shifted decrements this. */
|
---|
| 1581 |
|
---|
| 1582 | for (;;)
|
---|
| 1583 | {
|
---|
| 1584 | yyn = yypact[yystate];
|
---|
| 1585 | if (yyn != YYPACT_NINF)
|
---|
| 1586 | {
|
---|
| 1587 | yyn += YYTERROR;
|
---|
| 1588 | if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
|
---|
| 1589 | {
|
---|
| 1590 | yyn = yytable[yyn];
|
---|
| 1591 | if (0 < yyn)
|
---|
| 1592 | break;
|
---|
| 1593 | }
|
---|
| 1594 | }
|
---|
| 1595 |
|
---|
| 1596 | /* Pop the current state because it cannot handle the error token. */
|
---|
| 1597 | if (yyssp == yyss)
|
---|
| 1598 | YYABORT;
|
---|
| 1599 |
|
---|
| 1600 | ]b4_locations_if([[ yyerror_range[0] = *yylsp;]])[
|
---|
| 1601 | yydestruct ("Error: popping",
|
---|
| 1602 | yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
|
---|
| 1603 | YYPOPSTACK (1);
|
---|
| 1604 | yystate = *yyssp;
|
---|
| 1605 | YY_STACK_PRINT (yyss, yyssp);
|
---|
| 1606 | }
|
---|
| 1607 |
|
---|
| 1608 | *++yyvsp = yylval;
|
---|
| 1609 | ]b4_locations_if([[
|
---|
| 1610 | yyerror_range[1] = yylloc;
|
---|
| 1611 | /* Using YYLLOC is tempting, but would change the location of
|
---|
| 1612 | the lookahead. YYLOC is available though. */
|
---|
| 1613 | YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
|
---|
| 1614 | *++yylsp = yyloc;]])[
|
---|
| 1615 |
|
---|
| 1616 | /* Shift the error token. */
|
---|
| 1617 | YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
|
---|
| 1618 |
|
---|
| 1619 | yystate = yyn;
|
---|
| 1620 | goto yynewstate;
|
---|
| 1621 |
|
---|
| 1622 |
|
---|
| 1623 | /*-------------------------------------.
|
---|
| 1624 | | yyacceptlab -- YYACCEPT comes here. |
|
---|
| 1625 | `-------------------------------------*/
|
---|
| 1626 | yyacceptlab:
|
---|
| 1627 | yyresult = 0;
|
---|
| 1628 | goto yyreturn;
|
---|
| 1629 |
|
---|
| 1630 | /*-----------------------------------.
|
---|
| 1631 | | yyabortlab -- YYABORT comes here. |
|
---|
| 1632 | `-----------------------------------*/
|
---|
| 1633 | yyabortlab:
|
---|
| 1634 | yyresult = 1;
|
---|
| 1635 | goto yyreturn;
|
---|
| 1636 |
|
---|
| 1637 | #if !defined(yyoverflow) || YYERROR_VERBOSE
|
---|
| 1638 | /*-------------------------------------------------.
|
---|
| 1639 | | yyexhaustedlab -- memory exhaustion comes here. |
|
---|
| 1640 | `-------------------------------------------------*/
|
---|
| 1641 | yyexhaustedlab:
|
---|
| 1642 | yyerror (]b4_yyerror_args[YY_("memory exhausted"));
|
---|
| 1643 | yyresult = 2;
|
---|
| 1644 | /* Fall through. */
|
---|
| 1645 | #endif
|
---|
| 1646 |
|
---|
| 1647 | yyreturn:
|
---|
| 1648 | if (yychar != YYEMPTY)
|
---|
| 1649 | yydestruct ("Cleanup: discarding lookahead",
|
---|
| 1650 | yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
|
---|
| 1651 | /* Do not reclaim the symbols of the rule which action triggered
|
---|
| 1652 | this YYABORT or YYACCEPT. */
|
---|
| 1653 | YYPOPSTACK (yylen);
|
---|
| 1654 | YY_STACK_PRINT (yyss, yyssp);
|
---|
| 1655 | while (yyssp != yyss)
|
---|
| 1656 | {
|
---|
| 1657 | yydestruct ("Cleanup: popping",
|
---|
| 1658 | yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
|
---|
| 1659 | YYPOPSTACK (1);
|
---|
| 1660 | }
|
---|
| 1661 | #ifndef yyoverflow
|
---|
| 1662 | if (yyss != yyssa)
|
---|
| 1663 | YYSTACK_FREE (yyss);
|
---|
| 1664 | #endif
|
---|
| 1665 | ]b4_push_if([[ yyps->yynew = 1;
|
---|
| 1666 |
|
---|
| 1667 | yypushreturn:
|
---|
| 1668 | ]])[#if YYERROR_VERBOSE
|
---|
| 1669 | if (yymsg != yymsgbuf)
|
---|
| 1670 | YYSTACK_FREE (yymsg);
|
---|
| 1671 | #endif
|
---|
| 1672 | /* Make sure YYID is used. */
|
---|
| 1673 | return YYID (yyresult);
|
---|
| 1674 | }
|
---|
| 1675 |
|
---|
| 1676 |
|
---|
| 1677 | ]b4_epilogue
|
---|
| 1678 | b4_defines_if(
|
---|
| 1679 | [@output(b4_spec_defines_file@)
|
---|
| 1680 | b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],dnl '
|
---|
| 1681 | [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])
|
---|
| 1682 |
|
---|
| 1683 | b4_percent_code_get([[requires]])[]dnl
|
---|
| 1684 |
|
---|
| 1685 | b4_token_enums_defines(b4_tokens)
|
---|
| 1686 |
|
---|
| 1687 | [#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
|
---|
| 1688 | ]m4_ifdef([b4_stype],
|
---|
| 1689 | [[typedef union ]b4_union_name[
|
---|
| 1690 | {
|
---|
| 1691 | ]b4_user_stype[
|
---|
| 1692 | } YYSTYPE;
|
---|
| 1693 | # define YYSTYPE_IS_TRIVIAL 1]],
|
---|
| 1694 | [m4_if(b4_tag_seen_flag, 0,
|
---|
| 1695 | [[typedef int YYSTYPE;
|
---|
| 1696 | # define YYSTYPE_IS_TRIVIAL 1]])])[
|
---|
| 1697 | # define yystype YYSTYPE /* obsolescent; will be withdrawn */
|
---|
| 1698 | # define YYSTYPE_IS_DECLARED 1
|
---|
| 1699 | #endif
|
---|
| 1700 |
|
---|
| 1701 | ]b4_pure_if([], [[extern YYSTYPE ]b4_prefix[lval;]])
|
---|
| 1702 |
|
---|
| 1703 | b4_locations_if(
|
---|
| 1704 | [#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
|
---|
| 1705 | typedef struct YYLTYPE
|
---|
| 1706 | {
|
---|
| 1707 | int first_line;
|
---|
| 1708 | int first_column;
|
---|
| 1709 | int last_line;
|
---|
| 1710 | int last_column;
|
---|
| 1711 | } YYLTYPE;
|
---|
| 1712 | # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
|
---|
| 1713 | # define YYLTYPE_IS_DECLARED 1
|
---|
| 1714 | # define YYLTYPE_IS_TRIVIAL 1
|
---|
| 1715 | #endif
|
---|
| 1716 |
|
---|
| 1717 | ]b4_pure_if([], [[extern YYLTYPE ]b4_prefix[lloc;]])
|
---|
| 1718 | )dnl b4_locations_if
|
---|
| 1719 | b4_push_if([[
|
---|
| 1720 | #ifndef YYPUSH_DECLS
|
---|
| 1721 | # define YYPUSH_DECLS
|
---|
| 1722 | struct ]b4_prefix[pstate;
|
---|
| 1723 | typedef struct ]b4_prefix[pstate ]b4_prefix[pstate;
|
---|
| 1724 | enum { YYPUSH_MORE = 4 };
|
---|
| 1725 | ]b4_pull_if([b4_c_function_decl([b4_prefix[parse]], [[int]], b4_parse_param)
|
---|
| 1726 | ])b4_c_function_decl([b4_prefix[push_parse]], [[int]],
|
---|
| 1727 | [[b4_prefix[pstate *yyps]], [[yyps]]]b4_pure_if([,
|
---|
| 1728 | [[[int yypushed_char]], [[yypushed_char]]],
|
---|
| 1729 | [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
|
---|
| 1730 | [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
|
---|
| 1731 | b4_parse_param]))
|
---|
| 1732 | b4_pull_if([b4_c_function_decl([b4_prefix[pull_parse]], [[int]],
|
---|
| 1733 | [[b4_prefix[pstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
|
---|
| 1734 | b4_parse_param]))])
|
---|
| 1735 | b4_c_function_decl([b4_prefix[pstate_new]], [b4_prefix[pstate *]],
|
---|
| 1736 | [[[void]], []])
|
---|
| 1737 | b4_c_function_decl([b4_prefix[pstate_delete]], [[void]],
|
---|
| 1738 | [[b4_prefix[pstate *yyps]], [[yyps]]])[
|
---|
| 1739 | #endif
|
---|
| 1740 | ]])
|
---|
| 1741 | b4_percent_code_get([[provides]])[]dnl
|
---|
| 1742 | ])dnl b4_defines_if
|
---|
| 1743 | m4_divert_pop(0)
|
---|