-/* A Bison parser, made from parse-gram.y
- by GNU bison 1.35. */
+/* A Bison parser, made by GNU Bison 1.875b. */
-#define YYBISON 1 /* Identify Bison output. */
+/* Skeleton parser for Yacc-like parsing with Bison,
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 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
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, when this file is copied by Bison into a
+ Bison output file, you may use that output file without restriction.
+ This special exception was added by the Free Software Foundation
+ in version 1.24 of Bison. */
+
+/* Written by Richard Stallman by simplifying the original so called
+ ``semantic'' parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 1
+
+/* Using locations. */
+#define YYLSP_NEEDED 1
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+ names. */
#define yyparse gram_parse
-#define yylex gram_lex
+#define yylex gram_lex
#define yyerror gram_error
-#define yylval gram_lval
-#define yychar gram_char
+#define yylval gram_lval
+#define yychar gram_char
#define yydebug gram_debug
#define yynerrs gram_nerrs
-#define YYLSP_NEEDED 1
-
-# define GRAM_EOF 0
-# define STRING 257
-# define CHARACTER 258
-# define INT 259
-# define PERCENT_TOKEN 260
-# define PERCENT_NTERM 261
-# define PERCENT_TYPE 262
-# define PERCENT_UNION 263
-# define PERCENT_EXPECT 264
-# define PERCENT_START 265
-# define PERCENT_LEFT 266
-# define PERCENT_RIGHT 267
-# define PERCENT_NONASSOC 268
-# define PERCENT_PREC 269
-# define PERCENT_VERBOSE 270
-# define PERCENT_ERROR_VERBOSE 271
-# define PERCENT_OUTPUT 272
-# define PERCENT_FILE_PREFIX 273
-# define PERCENT_NAME_PREFIX 274
-# define PERCENT_DEFINE 275
-# define PERCENT_PURE_PARSER 276
-# define PERCENT_DEFINES 277
-# define PERCENT_YACC 278
-# define PERCENT_DEBUG 279
-# define PERCENT_LOCATIONS 280
-# define PERCENT_NO_LINES 281
-# define PERCENT_SKELETON 282
-# define PERCENT_TOKEN_TABLE 283
-# define TYPE 284
-# define EQUAL 285
-# define SEMICOLON 286
-# define COLON 287
-# define PIPE 288
-# define ID 289
-# define PERCENT_PERCENT 290
-# define PROLOGUE 291
-# define EPILOGUE 292
-# define BRACED_CODE 293
-
-#line 31 "parse-gram.y"
+#define yylloc gram_lloc
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ GRAM_EOF = 0,
+ STRING = 258,
+ INT = 259,
+ PERCENT_TOKEN = 260,
+ PERCENT_NTERM = 261,
+ PERCENT_TYPE = 262,
+ PERCENT_DESTRUCTOR = 263,
+ PERCENT_PRINTER = 264,
+ PERCENT_UNION = 265,
+ PERCENT_LEFT = 266,
+ PERCENT_RIGHT = 267,
+ PERCENT_NONASSOC = 268,
+ PERCENT_PREC = 269,
+ PERCENT_DPREC = 270,
+ PERCENT_MERGE = 271,
+ PERCENT_DEBUG = 272,
+ PERCENT_DEFINE = 273,
+ PERCENT_DEFINES = 274,
+ PERCENT_ERROR_VERBOSE = 275,
+ PERCENT_EXPECT = 276,
+ PERCENT_FILE_PREFIX = 277,
+ PERCENT_GLR_PARSER = 278,
+ PERCENT_LEX_PARAM = 279,
+ PERCENT_LOCATIONS = 280,
+ PERCENT_NAME_PREFIX = 281,
+ PERCENT_NO_LINES = 282,
+ PERCENT_OUTPUT = 283,
+ PERCENT_PARSE_PARAM = 284,
+ PERCENT_PURE_PARSER = 285,
+ PERCENT_SKELETON = 286,
+ PERCENT_START = 287,
+ PERCENT_TOKEN_TABLE = 288,
+ PERCENT_VERBOSE = 289,
+ PERCENT_YACC = 290,
+ TYPE = 291,
+ EQUAL = 292,
+ SEMICOLON = 293,
+ PIPE = 294,
+ ID = 295,
+ ID_COLON = 296,
+ PERCENT_PERCENT = 297,
+ PROLOGUE = 298,
+ EPILOGUE = 299,
+ BRACED_CODE = 300
+ };
+#endif
+#define GRAM_EOF 0
+#define STRING 258
+#define INT 259
+#define PERCENT_TOKEN 260
+#define PERCENT_NTERM 261
+#define PERCENT_TYPE 262
+#define PERCENT_DESTRUCTOR 263
+#define PERCENT_PRINTER 264
+#define PERCENT_UNION 265
+#define PERCENT_LEFT 266
+#define PERCENT_RIGHT 267
+#define PERCENT_NONASSOC 268
+#define PERCENT_PREC 269
+#define PERCENT_DPREC 270
+#define PERCENT_MERGE 271
+#define PERCENT_DEBUG 272
+#define PERCENT_DEFINE 273
+#define PERCENT_DEFINES 274
+#define PERCENT_ERROR_VERBOSE 275
+#define PERCENT_EXPECT 276
+#define PERCENT_FILE_PREFIX 277
+#define PERCENT_GLR_PARSER 278
+#define PERCENT_LEX_PARAM 279
+#define PERCENT_LOCATIONS 280
+#define PERCENT_NAME_PREFIX 281
+#define PERCENT_NO_LINES 282
+#define PERCENT_OUTPUT 283
+#define PERCENT_PARSE_PARAM 284
+#define PERCENT_PURE_PARSER 285
+#define PERCENT_SKELETON 286
+#define PERCENT_START 287
+#define PERCENT_TOKEN_TABLE 288
+#define PERCENT_VERBOSE 289
+#define PERCENT_YACC 290
+#define TYPE 291
+#define EQUAL 292
+#define SEMICOLON 293
+#define PIPE 294
+#define ID 295
+#define ID_COLON 296
+#define PERCENT_PERCENT 297
+#define PROLOGUE 298
+#define EPILOGUE 299
+#define BRACED_CODE 300
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 32 "parse-gram.y"
#include "system.h"
-#include "muscle_tab.h"
+
+#include "complain.h"
+#include "conflicts.h"
#include "files.h"
#include "getargs.h"
-#include "output.h"
#include "gram.h"
+#include "muscle_tab.h"
+#include "output.h"
#include "reader.h"
-#include "conflicts.h"
+#include "symlist.h"
-/* Produce verbose parse errors. */
+/* Produce verbose syntax errors. */
#define YYERROR_VERBOSE 1
-/* Pass the control structure to YYPARSE and YYLEX. */
-#define YYPARSE_PARAM gram_control
-#define YYLEX_PARAM gram_control
-/* YYPARSE receives GRAM_CONTROL as a void *. Provide a
- correctly typed access to it. */
-#define yycontrol ((gram_control_t *) gram_control)
+#define YYLLOC_DEFAULT(Current, Rhs, N) (Current) = lloc_default (Rhs, N)
+static YYLTYPE lloc_default (YYLTYPE const *, int);
-/* Request detailed parse error messages, and pass them to
- GRAM_ERROR. */
+/* Request detailed syntax error messages, and pass them to GRAM_ERROR.
+ FIXME: depends on the undocumented availability of YYLLOC. */
#undef yyerror
#define yyerror(Msg) \
- gram_error (yycontrol, &yylloc, Msg)
+ gram_error (&yylloc, Msg)
+static void gram_error (location const *, char const *);
-/* When debugging our pure parser, we want to see values and locations
- of the tokens. */
#define YYPRINT(File, Type, Value) \
- yyprint (File, &yylloc, Type, &Value)
-static void yyprint (FILE *file, const location_t *loc,
- int type, const yystype *value);
+ print_token_value (File, Type, &Value)
+static void print_token_value (FILE *, int, YYSTYPE const *);
+
+static void add_param (char const *, char *, location);
symbol_class current_class = unknown_sym;
-char *current_type = 0;
-symbol_t *current_lhs;
-associativity current_assoc;
+uniqstr current_type = 0;
+symbol *current_lhs;
+location current_lhs_location;
+assoc current_assoc;
int current_prec = 0;
-#line 73 "parse-gram.y"
-#ifndef YYSTYPE
-typedef union
-{
- symbol_t *symbol;
- int integer;
- char *string;
- associativity assoc;
-} yystype;
-# define YYSTYPE yystype
-# define YYSTYPE_IS_TRIVIAL 1
-#endif
-
-#ifndef YYLTYPE
-typedef struct yyltype
-{
- int first_line;
- int first_column;
-
- int last_line;
- int last_column;
-} yyltype;
-
-# define YYLTYPE yyltype
-# define YYLTYPE_IS_TRIVIAL 1
-#endif
+/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG 1
#endif
-
-
-#define YYFINAL 95
-#define YYFLAG -32768
-#define YYNTBASE 41
-
-/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
-#define YYTRANSLATE(x) ((unsigned)(x) <= 293 ? yytranslate[x] : 69)
-
-/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
-static const char yytranslate[] =
-{
- 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 1, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
- 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 39, 40
-};
-
-#if YYDEBUG
-static const short yyprhs[] =
-{
- 0, 0, 1, 7, 8, 11, 13, 15, 17, 21,
- 23, 25, 28, 32, 34, 38, 40, 44, 46, 49,
- 51, 53, 55, 57, 59, 62, 66, 67, 71, 72,
- 76, 77, 82, 83, 88, 90, 92, 94, 95, 97,
- 99, 102, 104, 107, 109, 111, 114, 117, 121, 123,
- 126, 128, 131, 132, 138, 140, 144, 145, 148, 151,
- 155, 157, 159, 161, 163, 165, 167, 168, 171, 172
-};
-static const short yyrhs[] =
-{
- -1, 42, 43, 37, 58, 67, 0, 0, 43, 44,
- 0, 45, 0, 38, 0, 26, 0, 22, 66, 66,
- 0, 24, 0, 18, 0, 11, 6, 0, 20, 32,
- 66, 0, 27, 0, 21, 32, 66, 0, 28, 0,
- 19, 32, 66, 0, 23, 0, 29, 66, 0, 30,
- 0, 17, 0, 25, 0, 50, 0, 46, 0, 12,
- 63, 0, 10, 40, 68, 0, 0, 8, 47, 57,
- 0, 0, 7, 48, 57, 0, 0, 9, 31, 49,
- 54, 0, 0, 52, 53, 51, 55, 0, 13, 0,
- 14, 0, 15, 0, 0, 31, 0, 36, 0, 54,
- 36, 0, 63, 0, 55, 63, 0, 31, 0, 36,
- 0, 36, 6, 0, 36, 65, 0, 36, 6, 65,
- 0, 56, 0, 57, 56, 0, 59, 0, 58, 59,
- 0, 0, 36, 34, 60, 61, 33, 0, 62, 0,
- 61, 35, 62, 0, 0, 62, 63, 0, 62, 64,
- 0, 62, 16, 63, 0, 36, 0, 65, 0, 5,
- 0, 40, 0, 4, 0, 4, 0, 0, 37, 39,
- 0, 0, 33, 0
-};
-
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
#endif
-#if YYDEBUG
-/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
-static const short yyrline[] =
-{
- 0, 134, 134, 147, 149, 152, 154, 155, 156, 157,
- 158, 159, 160, 161, 162, 163, 164, 165, 166, 167,
- 168, 169, 172, 174, 175, 179, 187, 187, 193, 193,
- 198, 198, 204, 204, 211, 213, 214, 217, 219, 223,
- 225, 229, 235, 243, 248, 253, 259, 265, 275, 278,
- 287, 289, 292, 292, 297, 299, 302, 305, 307, 309,
- 313, 315, 316, 319, 325, 334, 342, 347, 353, 355
-};
+#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+#line 75 "parse-gram.y"
+typedef union YYSTYPE {
+ symbol *symbol;
+ symbol_list *list;
+ int integer;
+ char *chars;
+ assoc assoc;
+ uniqstr uniqstr;
+} YYSTYPE;
+/* Line 191 of yacc.c. */
+#line 226 "parse-gram.c"
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
#endif
-
-#if (YYDEBUG) || defined YYERROR_VERBOSE
-
-/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
-static const char *const yytname[] =
+#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+typedef struct YYLTYPE
{
- "$", "error", "$undefined.", "\"end of string\"", "STRING", "CHARACTER",
- "INT", "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%union\"",
- "\"%expect\"", "\"%start\"", "\"%left\"", "\"%right\"", "\"%nonassoc\"",
- "\"%prec\"", "\"%verbose\"", "\"%error-verbose\"", "\"%output\"",
- "\"%file-prefix\"", "\"%name-prefix\"", "\"%define\"",
- "\"%pure-parser\"", "\"%defines\"", "\"%yacc\"", "\"%debug\"",
- "\"%locations\"", "\"%no-lines\"", "\"%skeleton\"", "\"%token-table\"",
- "TYPE", "\"=\"", "\";\"", "\":\"", "\"|\"", "\"identifier\"", "\"%%\"",
- "PROLOGUE", "EPILOGUE", "BRACED_CODE", "input", "@1", "declarations",
- "declaration", "grammar_declaration", "symbol_declaration", "@2", "@3",
- "@4", "precedence_declaration", "@5", "precedence_declarator",
- "type.opt", "nterms_to_type.1", "terms_to_prec.1", "symbol_def",
- "symbol_defs.1", "grammar", "rules", "@6", "rhses.1", "rhs", "symbol",
- "action", "string_as_id", "string_content", "epilogue.opt",
- "semi_colon_opt", 0
-};
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+} YYLTYPE;
+# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
#endif
-/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
-static const short yyr1[] =
-{
- 0, 42, 41, 43, 43, 44, 44, 44, 44, 44,
- 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
- 44, 44, 45, 45, 45, 45, 47, 46, 48, 46,
- 49, 46, 51, 50, 52, 52, 52, 53, 53, 54,
- 54, 55, 55, 56, 56, 56, 56, 56, 57, 57,
- 58, 58, 60, 59, 61, 61, 62, 62, 62, 62,
- 63, 63, 63, 64, 65, 66, 67, 67, 68, 68
-};
-
-/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
-static const short yyr2[] =
-{
- 0, 0, 5, 0, 2, 1, 1, 1, 3, 1,
- 1, 2, 3, 1, 3, 1, 3, 1, 2, 1,
- 1, 1, 1, 1, 2, 3, 0, 3, 0, 3,
- 0, 4, 0, 4, 1, 1, 1, 0, 1, 1,
- 2, 1, 2, 1, 1, 2, 2, 3, 1, 2,
- 1, 2, 0, 5, 1, 3, 0, 2, 2, 3,
- 1, 1, 1, 1, 1, 1, 0, 2, 0, 1
-};
-
-/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
- doesn't specify something else to do. Zero means the default is an
- error. */
-static const short yydefact[] =
-{
- 1, 3, 0, 28, 26, 0, 0, 0, 0, 34,
- 35, 36, 20, 10, 0, 0, 0, 0, 17, 9,
- 21, 7, 13, 15, 0, 19, 0, 6, 4, 5,
- 23, 22, 37, 0, 0, 30, 68, 11, 64, 62,
- 60, 24, 61, 0, 0, 0, 65, 0, 18, 0,
- 66, 50, 38, 32, 43, 44, 48, 29, 27, 0,
- 69, 25, 16, 12, 14, 8, 52, 0, 51, 2,
- 0, 45, 46, 49, 39, 31, 56, 67, 33, 41,
- 47, 40, 0, 54, 42, 53, 56, 0, 63, 57,
- 58, 55, 59, 0, 0, 0
-};
-
-static const short yydefgoto[] =
-{
- 93, 1, 2, 28, 29, 30, 34, 33, 59, 31,
- 70, 32, 53, 75, 78, 56, 57, 50, 51, 76,
- 82, 83, 89, 90, 42, 47, 69, 61
-};
-
-static const short yypact[] =
-{
- -32768,-32768, 31,-32768,-32768, -22, -29, 8, -1,-32768,
- -32768,-32768,-32768,-32768, -16, -14, -11, 19,-32768,-32768,
- -32768,-32768,-32768,-32768, 19,-32768, -9,-32768,-32768,-32768,
- -32768,-32768, 0, -24, -24,-32768, 1,-32768,-32768,-32768,
- -32768,-32768,-32768, 19, 19, 19,-32768, 19,-32768, -2,
- -17,-32768,-32768,-32768,-32768, 4,-32768, -24, -24, 11,
- -32768,-32768,-32768,-32768,-32768,-32768,-32768, 24,-32768,-32768,
- -1, 32,-32768,-32768,-32768, 28,-32768,-32768, -1,-32768,
- -32768,-32768, -18, -3,-32768,-32768,-32768, -1,-32768,-32768,
- -32768, -3,-32768, 65, 66,-32768
-};
-static const short yypgoto[] =
-{
- -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- -32768,-32768,-32768,-32768,-32768, -28, 33,-32768, 21,-32768,
- -32768, -13, -8,-32768, -49, -19,-32768,-32768
-};
+/* Copy the second part of user declarations. */
-#define YYLAST 79
+/* Line 214 of yacc.c. */
+#line 250 "parse-gram.c"
-
-static const short yytable[] =
-{
- 41, 38, 39, 38, 39, 48, 72, 54, 38, 35,
- 71, 36, 55, 87, 37, 85, 43, 86, 44, 49,
- 67, 45, 80, 46, 62, 63, 64, 49, 65, 73,
- 73, 52, 66, 40, 60, 40, 38, 88, 3, 4,
- 5, 6, 7, 8, 9, 10, 11, 74, 12, 13,
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 79, 77, 81, 94, 95, 58, 26, 27,
- 84, 68, 0, 91, 0, 0, 0, 0, 0, 92
-};
-
-static const short yycheck[] =
-{
- 8, 4, 5, 4, 5, 24, 55, 31, 4, 31,
- 6, 40, 36, 16, 6, 33, 32, 35, 32, 36,
- 37, 32, 71, 4, 43, 44, 45, 36, 47, 57,
- 58, 31, 34, 36, 33, 36, 4, 40, 7, 8,
- 9, 10, 11, 12, 13, 14, 15, 36, 17, 18,
- 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
- 29, 30, 70, 39, 36, 0, 0, 34, 37, 38,
- 78, 50, -1, 86, -1, -1, -1, -1, -1, 87
-};
-#define YYPURE 1
-
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/share/bison/bison.simple"
-
-/* Skeleton output parser for bison,
-
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
-/* This is the parser code that is written into each bison parser when
- the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-/* All symbols defined below should begin with yy or YY, to avoid
- infringing on user name space. This should be done even for local
- variables, as they might otherwise be expanded by user macros.
- There are some unavoidable exceptions within include files to
- define necessary library symbols; they are noted "INFRINGES ON
- USER NAME SPACE" below. */
-
-#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# define YYSTACK_ALLOC malloc
# define YYSTACK_FREE free
# endif
-#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
#if (! defined (yyoverflow) \
{
short yyss;
YYSTYPE yyvs;
-# if YYLSP_NEEDED
- YYLTYPE yyls;
-# endif
+ YYLTYPE yyls;
};
/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
/* The size of an array large to enough to hold all stacks, each with
N elements. */
-# if YYLSP_NEEDED
-# define YYSTACK_BYTES(N) \
+# define YYSTACK_BYTES(N) \
((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
- + 2 * YYSTACK_GAP_MAX)
-# else
-# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
- + YYSTACK_GAP_MAX)
-# endif
+ + 2 * YYSTACK_GAP_MAXIMUM)
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
- yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
+#if defined (__STDC__) || defined (__cplusplus)
+ typedef signed char yysigned_char;
+#else
+ typedef short yysigned_char;
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 3
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 157
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 46
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 25
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 74
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 101
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 300
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const unsigned char yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+ 45
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const unsigned char yyprhs[] =
+{
+ 0, 0, 3, 8, 9, 12, 14, 16, 18, 22,
+ 24, 26, 29, 33, 35, 37, 39, 43, 45, 49,
+ 51, 53, 56, 58, 60, 62, 64, 66, 68, 71,
+ 73, 76, 79, 80, 84, 85, 89, 93, 97, 99,
+ 101, 103, 104, 106, 108, 111, 113, 115, 118, 121,
+ 125, 127, 130, 132, 135, 137, 139, 142, 144, 145,
+ 149, 151, 155, 156, 159, 162, 166, 170, 174, 176,
+ 178, 180, 182, 184, 185
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+ 47, 0, -1, 48, 42, 60, 70, -1, -1, 48,
+ 49, -1, 50, -1, 43, -1, 17, -1, 18, 69,
+ 69, -1, 19, -1, 20, -1, 21, 4, -1, 22,
+ 37, 69, -1, 23, -1, 24, -1, 25, -1, 26,
+ 37, 69, -1, 27, -1, 28, 37, 69, -1, 29,
+ -1, 30, -1, 31, 69, -1, 33, -1, 34, -1,
+ 35, -1, 38, -1, 54, -1, 51, -1, 32, 66,
+ -1, 10, -1, 8, 57, -1, 9, 57, -1, -1,
+ 6, 52, 59, -1, -1, 5, 53, 59, -1, 7,
+ 36, 57, -1, 55, 56, 57, -1, 11, -1, 12,
+ -1, 13, -1, -1, 36, -1, 66, -1, 57, 66,
+ -1, 36, -1, 40, -1, 40, 4, -1, 40, 68,
+ -1, 40, 4, 68, -1, 58, -1, 59, 58, -1,
+ 61, -1, 60, 61, -1, 62, -1, 50, -1, 1,
+ 38, -1, 38, -1, -1, 41, 63, 64, -1, 65,
+ -1, 64, 39, 65, -1, -1, 65, 66, -1, 65,
+ 67, -1, 65, 14, 66, -1, 65, 15, 4, -1,
+ 65, 16, 36, -1, 40, -1, 68, -1, 45, -1,
+ 3, -1, 3, -1, -1, 42, 44, -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const unsigned short yyrline[] =
+{
+ 0, 161, 161, 169, 171, 175, 176, 177, 178, 179,
+ 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
+ 190, 191, 192, 193, 194, 195, 199, 200, 201, 205,
+ 211, 218, 228, 228, 233, 233, 238, 248, 263, 264,
+ 265, 269, 270, 276, 277, 282, 286, 291, 297, 303,
+ 314, 315, 324, 325, 331, 332, 337, 341, 345, 345,
+ 349, 350, 355, 356, 358, 360, 362, 364, 369, 370,
+ 374, 380, 389, 396, 398
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "\"end of file\"", "error", "$undefined", "\"string\"", "\"integer\"",
+ "\"%token\"", "\"%nterm\"", "\"%type\"", "\"%destructor {...}\"",
+ "\"%printer {...}\"", "\"%union {...}\"", "\"%left\"", "\"%right\"",
+ "\"%nonassoc\"", "\"%prec\"", "\"%dprec\"", "\"%merge\"", "\"%debug\"",
+ "\"%define\"", "\"%defines\"", "\"%error-verbose\"", "\"%expect\"",
+ "\"%file-prefix\"", "\"%glr-parser\"", "\"%lex-param {...}\"",
+ "\"%locations\"", "\"%name-prefix\"", "\"%no-lines\"", "\"%output\"",
+ "\"%parse-param {...}\"", "\"%pure-parser\"", "\"%skeleton\"",
+ "\"%start\"", "\"%token-table\"", "\"%verbose\"", "\"%yacc\"",
+ "\"type\"", "\"=\"", "\";\"", "\"|\"", "\"identifier\"",
+ "\"identifier:\"", "\"%%\"", "\"%{...%}\"", "\"epilogue\"", "\"{...}\"",
+ "$accept", "input", "declarations", "declaration",
+ "grammar_declaration", "symbol_declaration", "@1", "@2",
+ "precedence_declaration", "precedence_declarator", "type.opt",
+ "symbols.1", "symbol_def", "symbol_defs.1", "grammar",
+ "rules_or_grammar_declaration", "rules", "@3", "rhses.1", "rhs",
+ "symbol", "action", "string_as_id", "string_content", "epilogue.opt", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const unsigned short yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
+ 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
+ 295, 296, 297, 298, 299, 300
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const unsigned char yyr1[] =
+{
+ 0, 46, 47, 48, 48, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+ 49, 49, 49, 49, 49, 49, 50, 50, 50, 50,
+ 50, 50, 52, 51, 53, 51, 51, 54, 55, 55,
+ 55, 56, 56, 57, 57, 58, 58, 58, 58, 58,
+ 59, 59, 60, 60, 61, 61, 61, 61, 63, 62,
+ 64, 64, 65, 65, 65, 65, 65, 65, 66, 66,
+ 67, 68, 69, 70, 70
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const unsigned char yyr2[] =
+{
+ 0, 2, 4, 0, 2, 1, 1, 1, 3, 1,
+ 1, 2, 3, 1, 1, 1, 3, 1, 3, 1,
+ 1, 2, 1, 1, 1, 1, 1, 1, 2, 1,
+ 2, 2, 0, 3, 0, 3, 3, 3, 1, 1,
+ 1, 0, 1, 1, 2, 1, 1, 2, 2, 3,
+ 1, 2, 1, 2, 1, 1, 2, 1, 0, 3,
+ 1, 3, 0, 2, 2, 3, 3, 3, 1, 1,
+ 1, 1, 1, 0, 2
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const unsigned char yydefact[] =
+{
+ 3, 0, 0, 1, 34, 32, 0, 0, 0, 29,
+ 38, 39, 40, 7, 0, 9, 10, 0, 0, 13,
+ 14, 15, 0, 17, 0, 19, 20, 0, 0, 22,
+ 23, 24, 25, 0, 6, 4, 5, 27, 26, 41,
+ 0, 0, 0, 71, 68, 30, 43, 69, 31, 72,
+ 0, 11, 0, 0, 0, 21, 28, 0, 57, 58,
+ 55, 0, 52, 54, 42, 0, 45, 46, 50, 35,
+ 33, 36, 44, 8, 12, 16, 18, 56, 62, 0,
+ 53, 2, 37, 47, 48, 51, 59, 60, 74, 49,
+ 62, 0, 0, 0, 70, 63, 64, 61, 65, 66,
+ 67
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yysigned_char yydefgoto[] =
+{
+ -1, 1, 2, 35, 60, 37, 41, 40, 38, 39,
+ 65, 45, 68, 69, 61, 62, 63, 78, 86, 87,
+ 46, 96, 47, 50, 81
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -65
+static const yysigned_char yypact[] =
+{
+ -65, 5, 114, -65, -65, -65, -24, 1, 1, -65,
+ -65, -65, -65, -65, 10, -65, -65, 11, -23, -65,
+ -65, -65, -21, -65, -15, -65, -65, 10, 1, -65,
+ -65, -65, -65, 77, -65, -65, -65, -65, -65, -13,
+ -34, -34, 1, -65, -65, 1, -65, -65, 1, -65,
+ 10, -65, 10, 10, 10, -65, -65, -17, -65, -65,
+ -65, 39, -65, -65, -65, 1, -65, 4, -65, -34,
+ -34, 1, -65, -65, -65, -65, -65, -65, -65, -20,
+ -65, -65, 1, 22, -65, -65, -12, 15, -65, -65,
+ -65, 1, 24, -10, -65, -65, -65, 15, -65, -65,
+ -65
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const yysigned_char yypgoto[] =
+{
+ -65, -65, -65, -65, 30, -65, -65, -65, -65, -65,
+ -65, -7, -60, -8, -65, -19, -65, -65, -65, -37,
+ -28, -65, -64, -16, -65
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -74
+static const yysigned_char yytable[] =
+{
+ 56, 48, 66, 84, 43, 3, 67, 43, 83, 85,
+ 85, 55, 42, 49, 52, 51, 53, 72, 43, 89,
+ 72, 77, 54, 64, 88, 43, 100, 90, 99, 91,
+ 92, 93, 36, 70, 73, 71, 74, 75, 76, -73,
+ 57, 44, 80, 72, 4, 5, 6, 7, 8, 9,
+ 10, 11, 12, 97, 72, 44, 0, 0, 82, 95,
+ 94, 0, 0, 98, 0, 0, 0, 0, 0, 95,
+ 0, 28, 0, 0, 0, 0, 0, 58, 57, 0,
+ 59, 79, 4, 5, 6, 7, 8, 9, 10, 11,
+ 12, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 28,
+ 0, 0, 0, 0, 0, 58, 0, 0, 59, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 0, 0,
+ 0, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+ 0, 0, 32, 0, 0, 0, 33, 34
+};
+
+static const yysigned_char yycheck[] =
+{
+ 28, 8, 36, 67, 3, 0, 40, 3, 4, 69,
+ 70, 27, 36, 3, 37, 4, 37, 45, 3, 83,
+ 48, 38, 37, 36, 44, 3, 36, 39, 4, 14,
+ 15, 16, 2, 41, 50, 42, 52, 53, 54, 0,
+ 1, 40, 61, 71, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 90, 82, 40, -1, -1, 65, 87,
+ 45, -1, -1, 91, -1, -1, -1, -1, -1, 97,
+ -1, 32, -1, -1, -1, -1, -1, 38, 1, -1,
+ 41, 42, 5, 6, 7, 8, 9, 10, 11, 12,
+ 13, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, 32,
+ -1, -1, -1, -1, -1, 38, -1, -1, 41, 5,
+ 6, 7, 8, 9, 10, 11, 12, 13, -1, -1,
+ -1, 17, 18, 19, 20, 21, 22, 23, 24, 25,
+ 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+ -1, -1, 38, -1, -1, -1, 42, 43
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const unsigned char yystos[] =
+{
+ 0, 47, 48, 0, 5, 6, 7, 8, 9, 10,
+ 11, 12, 13, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 38, 42, 43, 49, 50, 51, 54, 55,
+ 53, 52, 36, 3, 40, 57, 66, 68, 57, 3,
+ 69, 4, 37, 37, 37, 69, 66, 1, 38, 41,
+ 50, 60, 61, 62, 36, 56, 36, 40, 58, 59,
+ 59, 57, 66, 69, 69, 69, 69, 38, 63, 42,
+ 61, 70, 57, 4, 68, 58, 64, 65, 44, 68,
+ 39, 14, 15, 16, 45, 66, 67, 65, 66, 4,
+ 36
+};
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
+#define YYEMPTY (-2)
#define YYEOF 0
+
#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrlab1
+#define YYABORT goto yyabortlab
+#define YYERROR do \
+ { \
+ yylerrsp = yylsp; \
+ *++yylerrsp = yyloc; \
+ goto yyerrlab1; \
+ } \
+ while (0)
+
+
/* Like YYERROR except do call yyerror. This remains here temporarily
to ease the transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
+
#define YYFAIL goto yyerrlab
+
#define YYRECOVERING() (!!yyerrstatus)
+
#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ \
yychar = (Token); \
yylval = (Value); \
- yychar1 = YYTRANSLATE (yychar); \
+ yytoken = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
- yyerror ("syntax error: cannot back up"); \
+ yyerror ("syntax error: cannot back up");\
YYERROR; \
} \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
-
/* YYLLOC_DEFAULT -- Compute the default location (before the actions
- are run).
-
- When YYLLOC_DEFAULT is run, CURRENT is set the location of the
- first token. By default, to implement support for ranges, extend
- its range to the last symbol. */
+ are run). */
#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- Current.last_line = Rhs[N].last_line; \
- Current.last_column = Rhs[N].last_column;
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ Current.first_line = Rhs[1].first_line; \
+ Current.first_column = Rhs[1].first_column; \
+ Current.last_line = Rhs[N].last_line; \
+ Current.last_column = Rhs[N].last_column;
#endif
-
/* YYLEX -- calling `yylex' with the right arguments. */
-#if YYPURE
-# if YYLSP_NEEDED
-# ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
-# else
-# define YYLEX yylex (&yylval, &yylloc)
-# endif
-# else /* !YYLSP_NEEDED */
-# ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, YYLEX_PARAM)
-# else
-# define YYLEX yylex (&yylval)
-# endif
-# endif /* !YYLSP_NEEDED */
-#else /* !YYPURE */
-# define YYLEX yylex ()
-#endif /* !YYPURE */
-
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval, &yylloc)
+#endif
/* Enable debugging if requested. */
#if YYDEBUG
if (yydebug) \
YYFPRINTF Args; \
} while (0)
+
+# define YYDSYMPRINT(Args) \
+do { \
+ if (yydebug) \
+ yysymprint Args; \
+} while (0)
+
+# define YYDSYMPRINTF(Title, Token, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yysymprint (stderr, \
+ Token, Value, Location); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (0)
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (cinluded). |
+`------------------------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_stack_print (short *bottom, short *top)
+#else
+static void
+yy_stack_print (bottom, top)
+ short *bottom;
+ short *top;
+#endif
+{
+ YYFPRINTF (stderr, "Stack now");
+ for (/* Nothing. */; bottom <= top; ++bottom)
+ YYFPRINTF (stderr, " %d", *bottom);
+ YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yy_reduce_print (int yyrule)
+#else
+static void
+yy_reduce_print (yyrule)
+ int yyrule;
+#endif
+{
+ int yyi;
+ unsigned int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
+ yyrule - 1, yylno);
+ /* Print the symbols being reduced, and their result. */
+ for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
+ YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
+ YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
+}
+
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (Rule); \
+} while (0)
+
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
+# define YYDSYMPRINT(Args)
+# define YYDSYMPRINTF(Title, Token, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
#endif /* !YYDEBUG */
+
/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif
+
\f
-#ifdef YYERROR_VERBOSE
+
+#if YYERROR_VERBOSE
# ifndef yystrlen
# if defined (__GLIBC__) && defined (_STRING_H)
}
# endif
# endif
-#endif
+
+#endif /* !YYERROR_VERBOSE */
+
\f
-#line 315 "/usr/share/bison/bison.simple"
+#if YYDEBUG
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
+#else
+static void
+yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE *yyvaluep;
+ YYLTYPE *yylocationp;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+ (void) yylocationp;
+
+ if (yytype < YYNTOKENS)
+ {
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+# ifdef YYPRINT
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+ }
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+ switch (yytype)
+ {
+ default:
+ break;
+ }
+ YYFPRINTF (yyoutput, ")");
+}
+
+#endif /* ! YYDEBUG */
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+#if defined (__STDC__) || defined (__cplusplus)
+static void
+yydestruct (int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
+#else
+static void
+yydestruct (yytype, yyvaluep, yylocationp)
+ int yytype;
+ YYSTYPE *yyvaluep;
+ YYLTYPE *yylocationp;
+#endif
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+ (void) yylocationp;
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+\f
-/* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
+/* Prevent warnings from -Wmissing-prototypes. */
#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
-# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-# define YYPARSE_PARAM_DECL
+int yyparse (void *YYPARSE_PARAM);
# else
-# define YYPARSE_PARAM_ARG YYPARSE_PARAM
-# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+int yyparse ();
# endif
-#else /* !YYPARSE_PARAM */
-# define YYPARSE_PARAM_ARG
-# define YYPARSE_PARAM_DECL
-#endif /* !YYPARSE_PARAM */
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-# ifdef YYPARSE_PARAM
-int yyparse (void *);
-# else
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
int yyparse (void);
-# endif
+#else
+int yyparse ();
#endif
+#endif /* ! YYPARSE_PARAM */
+
-/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
- variables are global, or local to YYPARSE. */
-
-#define YY_DECL_NON_LSP_VARIABLES \
-/* The lookahead symbol. */ \
-int yychar; \
- \
-/* The semantic value of the lookahead symbol. */ \
-YYSTYPE yylval; \
- \
-/* Number of parse errors so far. */ \
-int yynerrs;
-#if YYLSP_NEEDED
-# define YY_DECL_VARIABLES \
-YY_DECL_NON_LSP_VARIABLES \
- \
-/* Location data for the lookahead symbol. */ \
-YYLTYPE yylloc;
-#else
-# define YY_DECL_VARIABLES \
-YY_DECL_NON_LSP_VARIABLES
-#endif
-/* If nonreentrant, generate the variables here. */
-#if !YYPURE
-YY_DECL_VARIABLES
-#endif /* !YYPURE */
+/*----------.
+| yyparse. |
+`----------*/
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+int yyparse (void *YYPARSE_PARAM)
+# else
+int yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
+# endif
+#else /* ! YYPARSE_PARAM */
+#if defined (__STDC__) || defined (__cplusplus)
+int
+yyparse (void)
+#else
int
-yyparse (YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
+yyparse ()
+
+#endif
+#endif
{
- /* If reentrant, generate the variables here. */
-#if YYPURE
- YY_DECL_VARIABLES
-#endif /* !YYPURE */
+ /* The lookahead symbol. */
+int yychar;
+
+/* The semantic value of the lookahead symbol. */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far. */
+int yynerrs;
+/* Location data for the lookahead symbol. */
+YYLTYPE yylloc;
register int yystate;
register int yyn;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* Lookahead token as an internal (translated) token number. */
- int yychar1 = 0;
+ int yytoken = 0;
/* Three stacks and their tools:
`yyss': related to states,
Refer to the stacks thru separate pointers, to allow yyoverflow
to reallocate them elsewhere. */
- /* The state stack. */
+ /* The state stack. */
short yyssa[YYINITDEPTH];
short *yyss = yyssa;
register short *yyssp;
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
-#if YYLSP_NEEDED
/* The location stack. */
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
-#endif
+ YYLTYPE *yylerrsp;
-#if YYLSP_NEEDED
-# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
-#else
-# define YYPOPSTACK (yyvsp--, yyssp--)
-#endif
+#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
YYSIZE_T yystacksize = YYINITDEPTH;
-
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
-#if YYLSP_NEEDED
YYLTYPE yyloc;
-#endif
/* When reducing, the number of symbols on the RHS of the reduced
- rule. */
+ rule. */
int yylen;
YYDPRINTF ((stderr, "Starting parse\n"));
yyssp = yyss;
yyvsp = yyvs;
-#if YYLSP_NEEDED
yylsp = yyls;
-#endif
goto yysetstate;
/*------------------------------------------------------------.
yysetstate:
*yyssp = yystate;
- if (yyssp >= yyss + yystacksize - 1)
+ if (yyss + yystacksize - 1 <= yyssp)
{
/* Get the current used size of the three stacks, in elements. */
YYSIZE_T yysize = yyssp - yyss + 1;
memory. */
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
+ YYLTYPE *yyls1 = yyls;
/* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. */
-# if YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
yyoverflow ("parser stack overflow",
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
&yyls1, yysize * sizeof (*yylsp),
&yystacksize);
yyls = yyls1;
-# else
- yyoverflow ("parser stack overflow",
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yystacksize);
-# endif
yyss = yyss1;
yyvs = yyvs1;
}
goto yyoverflowlab;
# else
/* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
+ if (YYMAXDEPTH <= yystacksize)
goto yyoverflowlab;
yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
+ if (YYMAXDEPTH < yystacksize)
yystacksize = YYMAXDEPTH;
{
goto yyoverflowlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
-# if YYLSP_NEEDED
YYSTACK_RELOCATE (yyls);
-# endif
-# undef YYSTACK_RELOCATE
+# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
}
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
-#if YYLSP_NEEDED
yylsp = yyls + yysize - 1;
-#endif
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
- if (yyssp >= yyss + yystacksize - 1)
+ if (yyss + yystacksize - 1 <= yyssp)
YYABORT;
}
goto yybackup;
-
/*-----------.
| yybackup. |
`-----------*/
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
- if (yyn == YYFLAG)
+ if (yyn == YYPACT_NINF)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
}
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
+ if (yychar <= YYEOF)
{
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
+ yychar = yytoken = YYEOF;
YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
- yychar1 = YYTRANSLATE (yychar);
-
-#if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables
- which are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- YYFPRINTF (stderr, "Next token is %d (%s",
- yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise
- meaning of a token, for further debugging info. */
-# ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
-# endif
- YYFPRINTF (stderr, ")\n");
- }
-#endif
+ yytoken = YYTRANSLATE (yychar);
+ YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc);
}
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
-
yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
+ if (yyn <= 0)
{
- if (yyn == YYFLAG)
+ if (yyn == 0 || yyn == YYTABLE_NINF)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
- else if (yyn == 0)
- goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
- YYDPRINTF ((stderr, "Shifting token %d (%s), ",
- yychar, yytname[yychar1]));
+ YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
-#if YYLSP_NEEDED
*++yylsp = yylloc;
-#endif
/* Count tokens shifted since error; after three, turn off error
status. */
/* If YYLEN is nonzero, implement the default value of the action:
`$$ = $1'.
- Otherwise, the following line sets YYVAL to the semantic value of
- the lookahead token. This behavior is undocumented and Bison
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
users should not rely upon it. Assigning to YYVAL
unconditionally makes the parser a bit smaller, and it avoids a
GCC warning that YYVAL may be used uninitialized. */
yyval = yyvsp[1-yylen];
-#if YYLSP_NEEDED
- /* Similarly for the default location. Let the user run additional
- commands if for instance locations are ranges. */
- yyloc = yylsp[1-yylen];
+ /* Default location. */
YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
-#endif
-
-#if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables which
- are defined only if `YYDEBUG' is set. */
- if (yydebug)
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
{
- int yyi;
-
- YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
+ case 6:
+#line 176 "parse-gram.y"
+ { prologue_augment (yyvsp[0].chars, yylsp[0]); }
+ break;
- /* Print the symbols being reduced, and their result. */
- for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
- YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
- YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
-#endif
+ case 7:
+#line 177 "parse-gram.y"
+ { debug_flag = 1; }
+ break;
- switch (yyn) {
+ case 8:
+#line 178 "parse-gram.y"
+ { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); }
+ break;
-case 1:
-#line 134 "parse-gram.y"
-{ LOCATION_RESET (yylloc); }
+ case 9:
+#line 179 "parse-gram.y"
+ { defines_flag = 1; }
break;
-case 2:
-#line 136 "parse-gram.y"
-{
- yycontrol->errcode = 0;
- epilogue_set (yyvsp[0].string, yylsp[0]);
- }
+
+ case 10:
+#line 180 "parse-gram.y"
+ { error_verbose = 1; }
break;
-case 6:
-#line 154 "parse-gram.y"
-{ prologue_augment (yyvsp[0].string, yylsp[0]); }
+
+ case 11:
+#line 181 "parse-gram.y"
+ { expected_conflicts = yyvsp[0].integer; }
break;
-case 7:
-#line 155 "parse-gram.y"
-{ debug_flag = 1; }
+
+ case 12:
+#line 182 "parse-gram.y"
+ { spec_file_prefix = yyvsp[0].chars; }
break;
-case 8:
-#line 156 "parse-gram.y"
-{ muscle_insert (yyvsp[-1].string, yyvsp[0].string); }
+
+ case 13:
+#line 183 "parse-gram.y"
+ { glr_parser = 1; }
break;
-case 9:
-#line 157 "parse-gram.y"
-{ defines_flag = 1; }
+
+ case 14:
+#line 184 "parse-gram.y"
+ { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); }
break;
-case 10:
-#line 158 "parse-gram.y"
-{ error_verbose = 1; }
+
+ case 15:
+#line 185 "parse-gram.y"
+ { locations_flag = 1; }
break;
-case 11:
-#line 159 "parse-gram.y"
-{ expected_conflicts = yyvsp[0].integer; }
+
+ case 16:
+#line 186 "parse-gram.y"
+ { spec_name_prefix = yyvsp[0].chars; }
break;
-case 12:
-#line 160 "parse-gram.y"
-{ spec_file_prefix = yyvsp[0].string; }
+
+ case 17:
+#line 187 "parse-gram.y"
+ { no_lines_flag = 1; }
break;
-case 13:
-#line 161 "parse-gram.y"
-{ locations_flag = 1; }
+
+ case 18:
+#line 188 "parse-gram.y"
+ { spec_outfile = yyvsp[0].chars; }
break;
-case 14:
-#line 162 "parse-gram.y"
-{ spec_name_prefix = yyvsp[0].string; }
+
+ case 19:
+#line 189 "parse-gram.y"
+ { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); }
break;
-case 15:
-#line 163 "parse-gram.y"
-{ no_lines_flag = 1; }
+
+ case 20:
+#line 190 "parse-gram.y"
+ { pure_parser = 1; }
break;
-case 16:
-#line 164 "parse-gram.y"
-{ spec_outfile = yyvsp[0].string; }
+
+ case 21:
+#line 191 "parse-gram.y"
+ { skeleton = yyvsp[0].chars; }
break;
-case 17:
-#line 165 "parse-gram.y"
-{ pure_parser = 1; }
+
+ case 22:
+#line 192 "parse-gram.y"
+ { token_table_flag = 1; }
break;
-case 18:
-#line 166 "parse-gram.y"
-{ skeleton = yyvsp[0].string; }
+
+ case 23:
+#line 193 "parse-gram.y"
+ { report_flag = report_states; }
break;
-case 19:
-#line 167 "parse-gram.y"
-{ token_table_flag = 1; }
+
+ case 24:
+#line 194 "parse-gram.y"
+ { yacc_flag = 1; }
break;
-case 20:
-#line 168 "parse-gram.y"
-{ report_flag = 1; }
+
+ case 28:
+#line 202 "parse-gram.y"
+ {
+ grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]);
+ }
break;
-case 21:
-#line 169 "parse-gram.y"
-{ yacc_flag = 1; }
+
+ case 29:
+#line 206 "parse-gram.y"
+ {
+ typed = 1;
+ MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line);
+ muscle_insert ("stype", yyvsp[0].chars);
+ }
break;
-case 24:
-#line 176 "parse-gram.y"
-{
- grammar_start_symbol_set (yyvsp[0].symbol);
+
+ case 30:
+#line 212 "parse-gram.y"
+ {
+ symbol_list *list;
+ for (list = yyvsp[0].list; list; list = list->next)
+ symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]);
+ symbol_list_free (yyvsp[0].list);
}
break;
-case 25:
-#line 180 "parse-gram.y"
-{
- typed = 1;
- MUSCLE_INSERT_INT ("stype_line", yylsp[-1].first_line);
- muscle_insert ("stype", yyvsp[-1].string);
+
+ case 31:
+#line 219 "parse-gram.y"
+ {
+ symbol_list *list;
+ for (list = yyvsp[0].list; list; list = list->next)
+ symbol_printer_set (list->sym, yyvsp[-1].chars, list->location);
+ symbol_list_free (yyvsp[0].list);
}
break;
-case 26:
-#line 188 "parse-gram.y"
-{ current_class = nterm_sym; }
+
+ case 32:
+#line 228 "parse-gram.y"
+ { current_class = nterm_sym; }
break;
-case 27:
-#line 189 "parse-gram.y"
-{
+
+ case 33:
+#line 229 "parse-gram.y"
+ {
current_class = unknown_sym;
current_type = NULL;
}
break;
-case 28:
-#line 193 "parse-gram.y"
-{ current_class = token_sym; }
+
+ case 34:
+#line 233 "parse-gram.y"
+ { current_class = token_sym; }
break;
-case 29:
-#line 194 "parse-gram.y"
-{
+
+ case 35:
+#line 234 "parse-gram.y"
+ {
current_class = unknown_sym;
current_type = NULL;
}
break;
-case 30:
-#line 198 "parse-gram.y"
-{current_type = yyvsp[0].string; }
+
+ case 36:
+#line 239 "parse-gram.y"
+ {
+ symbol_list *list;
+ for (list = yyvsp[0].list; list; list = list->next)
+ symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]);
+ symbol_list_free (yyvsp[0].list);
+ }
break;
-case 31:
-#line 199 "parse-gram.y"
-{
+
+ case 37:
+#line 249 "parse-gram.y"
+ {
+ symbol_list *list;
+ ++current_prec;
+ for (list = yyvsp[0].list; list; list = list->next)
+ {
+ symbol_type_set (list->sym, current_type, yylsp[-1]);
+ symbol_precedence_set (list->sym, current_prec, yyvsp[-2].assoc, yylsp[-2]);
+ }
+ symbol_list_free (yyvsp[0].list);
current_type = NULL;
}
break;
-case 32:
-#line 206 "parse-gram.y"
-{ current_assoc = yyvsp[-1].assoc; ++current_prec; }
- break;
-case 33:
-#line 208 "parse-gram.y"
-{ current_assoc = non_assoc; current_type = NULL; }
- break;
-case 34:
-#line 212 "parse-gram.y"
-{ yyval.assoc = left_assoc; }
- break;
-case 35:
-#line 213 "parse-gram.y"
-{ yyval.assoc = right_assoc; }
- break;
-case 36:
-#line 214 "parse-gram.y"
-{ yyval.assoc = non_assoc; }
+
+ case 38:
+#line 263 "parse-gram.y"
+ { yyval.assoc = left_assoc; }
break;
-case 37:
-#line 218 "parse-gram.y"
-{ current_type = NULL;}
+
+ case 39:
+#line 264 "parse-gram.y"
+ { yyval.assoc = right_assoc; }
break;
-case 38:
-#line 219 "parse-gram.y"
-{ current_type = yyvsp[0].string; }
+
+ case 40:
+#line 265 "parse-gram.y"
+ { yyval.assoc = non_assoc; }
break;
-case 39:
-#line 224 "parse-gram.y"
-{ symbol_type_set (yyvsp[0].symbol, current_type); }
+
+ case 41:
+#line 269 "parse-gram.y"
+ { current_type = NULL; }
break;
-case 40:
-#line 225 "parse-gram.y"
-{ symbol_type_set (yyvsp[0].symbol, current_type); }
+
+ case 42:
+#line 270 "parse-gram.y"
+ { current_type = yyvsp[0].uniqstr; }
break;
-case 41:
-#line 231 "parse-gram.y"
-{
- symbol_type_set (yyvsp[0].symbol, current_type);
- symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc);
- }
+
+ case 43:
+#line 276 "parse-gram.y"
+ { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); }
break;
-case 42:
-#line 236 "parse-gram.y"
-{
- symbol_type_set (yyvsp[0].symbol, current_type);
- symbol_precedence_set (yyvsp[0].symbol, current_prec, current_assoc);
- }
+
+ case 44:
+#line 277 "parse-gram.y"
+ { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); }
break;
-case 43:
-#line 245 "parse-gram.y"
-{
- current_type = yyvsp[0].string;
+
+ case 45:
+#line 283 "parse-gram.y"
+ {
+ current_type = yyvsp[0].uniqstr;
}
break;
-case 44:
-#line 249 "parse-gram.y"
-{
- symbol_class_set (yyvsp[0].symbol, current_class);
- symbol_type_set (yyvsp[0].symbol, current_type);
+
+ case 46:
+#line 287 "parse-gram.y"
+ {
+ symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]);
+ symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]);
}
break;
-case 45:
-#line 254 "parse-gram.y"
-{
- symbol_class_set (yyvsp[-1].symbol, current_class);
- symbol_type_set (yyvsp[-1].symbol, current_type);
- symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer);
+
+ case 47:
+#line 292 "parse-gram.y"
+ {
+ symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
+ symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
+ symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]);
}
break;
-case 46:
-#line 260 "parse-gram.y"
-{
- symbol_class_set (yyvsp[-1].symbol, current_class);
- symbol_type_set (yyvsp[-1].symbol, current_type);
- symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol);
+
+ case 48:
+#line 298 "parse-gram.y"
+ {
+ symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]);
+ symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]);
+ symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc);
}
break;
-case 47:
-#line 266 "parse-gram.y"
-{
- symbol_class_set (yyvsp[-2].symbol, current_class);
- symbol_type_set (yyvsp[-2].symbol, current_type);
- symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer);
- symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol);
+
+ case 49:
+#line 304 "parse-gram.y"
+ {
+ symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]);
+ symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]);
+ symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]);
+ symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc);
}
break;
-case 48:
-#line 277 "parse-gram.y"
-{;}
- break;
-case 49:
-#line 279 "parse-gram.y"
-{;}
+
+ case 55:
+#line 333 "parse-gram.y"
+ {
+ if (yacc_flag)
+ complain_at (yyloc, _("POSIX forbids declarations in the grammar"));
+ }
break;
-case 52:
-#line 293 "parse-gram.y"
-{ current_lhs = yyvsp[-1].symbol; }
+
+ case 56:
+#line 338 "parse-gram.y"
+ {
+ yyerrok;
+ }
break;
-case 53:
-#line 294 "parse-gram.y"
-{;}
+
+ case 58:
+#line 345 "parse-gram.y"
+ { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; }
break;
-case 54:
-#line 298 "parse-gram.y"
-{ grammar_rule_end (); }
+
+ case 60:
+#line 349 "parse-gram.y"
+ { grammar_rule_end (yylsp[0]); }
break;
-case 55:
-#line 299 "parse-gram.y"
-{ grammar_rule_end (); }
+
+ case 61:
+#line 350 "parse-gram.y"
+ { grammar_rule_end (yylsp[0]); }
break;
-case 56:
-#line 304 "parse-gram.y"
-{ grammar_rule_begin (current_lhs); }
+
+ case 62:
+#line 355 "parse-gram.y"
+ { grammar_rule_begin (current_lhs, current_lhs_location); }
break;
-case 57:
-#line 306 "parse-gram.y"
-{ grammar_current_rule_symbol_append (yyvsp[0].symbol); }
+
+ case 63:
+#line 357 "parse-gram.y"
+ { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); }
break;
-case 58:
-#line 308 "parse-gram.y"
-{ grammar_current_rule_action_append (yyvsp[0].string, yylsp[0].first_line); }
+
+ case 64:
+#line 359 "parse-gram.y"
+ { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); }
break;
-case 59:
-#line 310 "parse-gram.y"
-{ grammar_current_rule_prec_set (yyvsp[0].symbol); }
+
+ case 65:
+#line 361 "parse-gram.y"
+ { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); }
break;
-case 60:
-#line 314 "parse-gram.y"
-{ yyval.symbol = yyvsp[0].symbol; }
+
+ case 66:
+#line 363 "parse-gram.y"
+ { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); }
break;
-case 61:
-#line 315 "parse-gram.y"
-{ yyval.symbol = yyvsp[0].symbol; }
+
+ case 67:
+#line 365 "parse-gram.y"
+ { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); }
break;
-case 62:
-#line 316 "parse-gram.y"
-{ yyval.symbol = getsym (yyvsp[0].string); }
+
+ case 68:
+#line 369 "parse-gram.y"
+ { yyval.symbol = yyvsp[0].symbol; }
break;
-case 63:
-#line 321 "parse-gram.y"
-{ yyval.string = yyvsp[0].string; }
+
+ case 69:
+#line 370 "parse-gram.y"
+ { yyval.symbol = yyvsp[0].symbol; }
break;
-case 64:
-#line 327 "parse-gram.y"
-{
- yyval.symbol = getsym (yyvsp[0].string);
- symbol_class_set (yyval.symbol, token_sym);
- }
+
+ case 70:
+#line 375 "parse-gram.y"
+ { yyval.chars = yyvsp[0].chars; }
break;
-case 65:
-#line 336 "parse-gram.y"
-{
- yyval.string = yyvsp[0].string + 1;
- yyval.string[strlen (yyval.string) - 1] = '\0';
+
+ case 71:
+#line 381 "parse-gram.y"
+ {
+ yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]);
+ symbol_class_set (yyval.symbol, token_sym, yylsp[0]);
}
break;
-case 66:
-#line 344 "parse-gram.y"
-{
- yyval.string = xstrdup ("");
+
+ case 72:
+#line 390 "parse-gram.y"
+ {
+ yyval.chars = yyvsp[0].chars + 1;
+ yyval.chars[strlen (yyval.chars) - 1] = '\0';
}
break;
-case 67:
-#line 348 "parse-gram.y"
-{
- yyval.string = yyvsp[0].string;
+
+ case 74:
+#line 399 "parse-gram.y"
+ {
+ epilogue_augment (yyvsp[0].chars, yylsp[0]);
+ scanner_last_string_free ();
}
break;
-}
-#line 705 "/usr/share/bison/bison.simple"
+ }
+
+/* Line 999 of yacc.c. */
+#line 1622 "parse-gram.c"
\f
yyvsp -= yylen;
yyssp -= yylen;
-#if YYLSP_NEEDED
yylsp -= yylen;
-#endif
-#if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
+ YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
-#if YYLSP_NEEDED
*++yylsp = yyloc;
-#endif
/* Now `shift' the result of the reduction. Determine what state
that goes to, based on the state we popped back to and the rule
yyn = yyr1[yyn];
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
- yystate = yydefgoto[yyn - YYNTBASE];
+ yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
if (!yyerrstatus)
{
++yynerrs;
-
-#ifdef YYERROR_VERBOSE
+#if YYERROR_VERBOSE
yyn = yypact[yystate];
- if (yyn > YYFLAG && yyn < YYLAST)
+ if (YYPACT_NINF < yyn && yyn < YYLAST)
{
YYSIZE_T yysize = 0;
+ int yytype = YYTRANSLATE (yychar);
+ const char* yyprefix;
char *yymsg;
- int yyx, yycount;
+ int yyx;
- yycount = 0;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
- if (yycheck[yyx + yyn] == yyx)
- yysize += yystrlen (yytname[yyx]) + 15, yycount++;
- yysize += yystrlen ("parse error, unexpected ") + 1;
- yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 0;
+
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
+ yycount += 1;
+ if (yycount == 5)
+ {
+ yysize = 0;
+ break;
+ }
+ }
+ yysize += (sizeof ("syntax error, unexpected ")
+ + yystrlen (yytname[yytype]));
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg != 0)
{
- char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
- yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
+ char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
+ yyp = yystpcpy (yyp, yytname[yytype]);
if (yycount < 5)
{
- yycount = 0;
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *));
- yyx++)
- if (yycheck[yyx + yyn] == yyx)
+ yyprefix = ", expecting ";
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
- const char *yyq = ! yycount ? ", expecting " : " or ";
- yyp = yystpcpy (yyp, yyq);
+ yyp = yystpcpy (yyp, yyprefix);
yyp = yystpcpy (yyp, yytname[yyx]);
- yycount++;
+ yyprefix = " or ";
}
}
yyerror (yymsg);
YYSTACK_FREE (yymsg);
}
else
- yyerror ("parse error; also virtual memory exhausted");
+ yyerror ("syntax error; also virtual memory exhausted");
}
else
-#endif /* defined (YYERROR_VERBOSE) */
- yyerror ("parse error");
+#endif /* YYERROR_VERBOSE */
+ yyerror ("syntax error");
}
- goto yyerrlab1;
+ yylerrsp = yylsp;
-/*--------------------------------------------------.
-| yyerrlab1 -- error raised explicitly by an action |
-`--------------------------------------------------*/
-yyerrlab1:
if (yyerrstatus == 3)
{
/* If just tried and failed to reuse lookahead token after an
error, discard it. */
- /* return failure if at end of input */
+ /* Return failure if at end of input. */
if (yychar == YYEOF)
- YYABORT;
- YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
- yychar, yytname[yychar1]));
+ {
+ /* Pop the error token. */
+ YYPOPSTACK;
+ /* Pop the rest of the stack. */
+ while (yyss < yyssp)
+ {
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[*yyssp], yyvsp, yylsp);
+ YYPOPSTACK;
+ }
+ YYABORT;
+ }
+
+ YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc);
+ yydestruct (yytoken, &yylval, &yylloc);
yychar = YYEMPTY;
+ *++yylerrsp = yylloc;
}
/* Else will try to reuse lookahead token after shifting the error
token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
-
-/*-------------------------------------------------------------------.
-| yyerrdefault -- current state does not do anything special for the |
-| error token. |
-`-------------------------------------------------------------------*/
-yyerrdefault:
-#if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
-
- /* If its default is to accept any token, ok. Otherwise pop it. */
- yyn = yydefact[yystate];
- if (yyn)
- goto yydefault;
-#endif
+ goto yyerrlab1;
-/*---------------------------------------------------------------.
-| yyerrpop -- pop the current state because it cannot handle the |
-| error token |
-`---------------------------------------------------------------*/
-yyerrpop:
- if (yyssp == yyss)
- YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#if YYLSP_NEEDED
- yylsp--;
-#endif
+/*----------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action. |
+`----------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
-#if YYDEBUG
- if (yydebug)
+ for (;;)
{
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "Error: state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
-#endif
-
-/*--------------.
-| yyerrhandle. |
-`--------------*/
-yyerrhandle:
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
+ YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp);
+ yydestruct (yystos[yystate], yyvsp, yylsp);
+ yyvsp--;
+ yystate = *--yyssp;
+ yylsp--;
+ YY_STACK_PRINT (yyss, yyssp);
}
- else if (yyn == 0)
- goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
-#if YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
+ YYLLOC_DEFAULT (yyloc, yylsp, (yylerrsp - yylsp));
+ *++yylsp = yyloc;
yystate = yyn;
goto yynewstate;
yyresult = 1;
goto yyreturn;
-/*---------------------------------------------.
-| yyoverflowab -- parser overflow comes here. |
-`---------------------------------------------*/
+#ifndef yyoverflow
+/*----------------------------------------------.
+| yyoverflowlab -- parser overflow comes here. |
+`----------------------------------------------*/
yyoverflowlab:
yyerror ("parser stack overflow");
yyresult = 2;
/* Fall through. */
+#endif
yyreturn:
#ifndef yyoverflow
#endif
return yyresult;
}
-#line 357 "parse-gram.y"
-/*------------------------------------------------------------------.
-| When debugging the parser, display tokens' locations and values. |
-`------------------------------------------------------------------*/
+
+#line 405 "parse-gram.y"
+
+
+
+/* Return the location of the left-hand side of a rule whose
+ right-hand side is RHS[1] ... RHS[N]. Ignore empty nonterminals in
+ the right-hand side, and return an empty location equal to the end
+ boundary of RHS[0] if the right-hand side is empty. */
+
+static YYLTYPE
+lloc_default (YYLTYPE const *rhs, int n)
+{
+ int i;
+ YYLTYPE loc;
+ loc.start = loc.end = rhs[n].end;
+
+ /* Ignore empty nonterminals the start of the the right-hand side.
+ Do not bother to ignore them at the end of the right-hand side,
+ since empty nonterminals have the same end as their predecessors. */
+ for (i = 1; i <= n; i++)
+ if (! equal_boundaries (rhs[i].start, rhs[i].end))
+ {
+ loc.start = rhs[i].start;
+ break;
+ }
+
+ return loc;
+}
+
+
+/* Add a lex-param or a parse-param (depending on TYPE) with
+ declaration DECL and location LOC. */
static void
-yyprint (FILE *file,
- const location_t *loc, int type, const yystype *value)
+add_param (char const *type, char *decl, location loc)
{
- fputs (" (", file);
- LOCATION_PRINT (file, *loc);
- fputs (")", file);
- switch (type)
+ static char const alphanum[] =
+ "0123456789"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "_";
+ char const *alpha = alphanum + 10;
+ char const *name_start = NULL;
+ char *p;
+
+ for (p = decl; *p; p++)
+ if ((p == decl || ! strchr (alphanum, p[-1])) && strchr (alpha, p[0]))
+ name_start = p;
+
+ /* Strip the surrounding '{' and '}'. */
+ decl++;
+ p[-1] = '\0';
+
+ if (! name_start)
+ complain_at (loc, _("missing identifier in parameter declaration"));
+ else
{
- case CHARACTER:
- fprintf (file, " = '%s'", value->string);
- break;
+ char *name;
+ size_t name_len;
+
+ for (name_len = 1;
+ name_start[name_len] && strchr (alphanum, name_start[name_len]);
+ name_len++)
+ continue;
+
+ name = xmalloc (name_len + 1);
+ memcpy (name, name_start, name_len);
+ name[name_len] = '\0';
+ muscle_pair_list_grow (type, decl, name);
+ free (name);
+ }
+
+ scanner_last_string_free ();
+}
+/*----------------------------------------------------.
+| When debugging the parser, display tokens' values. |
+`----------------------------------------------------*/
+
+static void
+print_token_value (FILE *file, int type, YYSTYPE const *value)
+{
+ fputc (' ', file);
+ switch (type)
+ {
case ID:
fprintf (file, " = %s", value->symbol->tag);
break;
break;
case STRING:
- fprintf (file, " = \"%s\"", value->string);
+ fprintf (file, " = \"%s\"", value->chars);
break;
case TYPE:
- fprintf (file, " = <%s>", value->string);
+ fprintf (file, " = <%s>", value->uniqstr);
break;
case BRACED_CODE:
+ case PERCENT_DESTRUCTOR:
+ case PERCENT_LEX_PARAM:
+ case PERCENT_PARSE_PARAM:
+ case PERCENT_PRINTER:
+ case PERCENT_UNION:
case PROLOGUE:
case EPILOGUE:
- fprintf (file, " = {{ %s }}", value->string);
+ fprintf (file, " = {{ %s }}", value->chars);
+ break;
+
+ default:
+ fprintf (file, "unknown token type");
break;
}
}
-void
-gram_error (gram_control_t *control ATTRIBUTE_UNUSED,
- location_t *yylloc, const char *msg)
+static void
+gram_error (location const *loc, char const *msg)
+{
+ complain_at (*loc, "%s", msg);
+}
+
+char const *
+token_name (int type)
{
- LOCATION_PRINT (stderr, *yylloc);
- fprintf (stderr, ": %s\n", msg);
+ return yytname[type];
}
+
projects / bison.git / blobdiff