lobase

Linux port of OpenBSDs userland.
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commit c88c19c0609fcd163550ff2e15e76e9852fe9db6
parent a2e78191ce4f9e3cdfa6a24ed2bf15d43d1c8602
Author: Duncaen <mail@duncano.de>
Date:   Mon,  6 Mar 2017 23:27:31 +0100

usr.bin/bc: fix parallel build

Diffstat:
usr.bin/bc/Makefile | 12+++++++-----
usr.bin/bc/bc.y | 6++++++
usr.bin/bc/y.tab.c | 3165-------------------------------------------------------------------------------
usr.bin/bc/y.tab.h | 173-------------------------------------------------------------------------------
4 files changed, 13 insertions(+), 3343 deletions(-)

diff --git a/usr.bin/bc/Makefile b/usr.bin/bc/Makefile @@ -2,16 +2,18 @@ PROG= bc SRCS= bc.y scan.l tty.c dc.c bcode.c inout.c mem.c stack.c -CPPFLAGS+= -D_GNU_SOURCE -I. -I${.CURDIR} +CPPFLAGS+= -I. -I${.CURDIR} CFLAGS+= -Wall -Wno-unused YFLAGS+= LDADD+= -ledit -lcurses -lcrypto DPADD+= ${LIBEDIT} ${LIBCURSES} ${LIBCRYPTO} -.PATH+= ${.CURDIR}/../dc +VPATH+= ${.CURDIR}/../dc -#beforeinstall: -# install -c -o ${BINOWN} -g ${BINGRP} -m 444 ${.CURDIR}/bc.library \ -# ${DESTDIR}/usr/share/misc +beforeinstall: + install -c -o ${BINOWN} -g ${BINGRP} -m 444 ${.CURDIR}/bc.library \ + ${DESTDIR}/usr/share/misc + +scan.o : y.tab.h include bsd.prog.mk diff --git a/usr.bin/bc/bc.y b/usr.bin/bc/bc.y @@ -29,6 +29,11 @@ * the same as the code generated by the older version, to provide * easy regression testing. */ +#if defined(__linux__) +# if !defined(_GNU_SOURCE) +# define _GNU_SOURCE +# endif +#endif #include <sys/types.h> #include <sys/wait.h> @@ -41,6 +46,7 @@ #include <search.h> #include <signal.h> #include <stdarg.h> +#include <stdlib.h> #include <string.h> #include <unistd.h> diff --git a/usr.bin/bc/y.tab.c b/usr.bin/bc/y.tab.c @@ -1,3165 +0,0 @@ -/* A Bison parser, made by GNU Bison 3.0.4. */ - -/* Bison implementation for Yacc-like parsers in C - - Copyright (C) 1984, 1989-1990, 2000-2015 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -/* C LALR(1) parser skeleton 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 - -/* Bison version. */ -#define YYBISON_VERSION "3.0.4" - -/* Skeleton name. */ -#define YYSKELETON_NAME "yacc.c" - -/* Pure parsers. */ -#define YYPURE 0 - -/* Push parsers. */ -#define YYPUSH 0 - -/* Pull parsers. */ -#define YYPULL 1 - - - - -/* Copy the first part of user declarations. */ -#line 1 "bc.y" /* yacc.c:339 */ - -/* $OpenBSD: bc.y,v 1.49 2015/11/23 09:58:55 otto Exp $ */ - -/* - * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* - * This implementation of bc(1) uses concepts from the original 4.4 - * BSD bc(1). The code itself is a complete rewrite, based on the - * Posix defined bc(1) grammar. Other differences include type safe - * usage of pointers to build the tree of emitted code, typed yacc - * rule values, dynamic allocation of all data structures and a - * completely rewritten lexical analyzer using lex(1). - * - * Some effort has been made to make sure that the generated code is - * the same as the code generated by the older version, to provide - * easy regression testing. - */ - -#include <sys/types.h> -#include <sys/wait.h> - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <histedit.h> -#include <limits.h> -#include <search.h> -#include <signal.h> -#include <stdarg.h> -#include <string.h> -#include <unistd.h> - -#include "extern.h" -#include "pathnames.h" - -#define END_NODE ((ssize_t) -1) -#define CONST_STRING ((ssize_t) -2) -#define ALLOC_STRING ((ssize_t) -3) - -struct tree { - ssize_t index; - union { - char *astr; - const char *cstr; - } u; -}; - -int yyparse(void); -int yywrap(void); - -int fileindex; -int sargc; -char **sargv; -char *filename; -char *cmdexpr; - -static void grow(void); -static ssize_t cs(const char *); -static ssize_t as(const char *); -static ssize_t node(ssize_t, ...); -static void emit(ssize_t, int); -static void emit_macro(int, ssize_t); -static void free_tree(void); -static ssize_t numnode(int); -static ssize_t lookup(char *, size_t, char); -static ssize_t letter_node(char *); -static ssize_t array_node(char *); -static ssize_t function_node(char *); - -static void add_par(ssize_t); -static void add_local(ssize_t); -static void warning(const char *); -static void init(void); -static __dead void usage(void); -static char *escape(const char *); - -static ssize_t instr_sz = 0; -static struct tree *instructions = NULL; -static ssize_t current = 0; -static int macro_char = '0'; -static int reset_macro_char = '0'; -static int nesting = 0; -static int breakstack[16]; -static int breaksp = 0; -static ssize_t prologue; -static ssize_t epilogue; -static bool st_has_continue; -static char str_table[UCHAR_MAX][2]; -static bool do_fork = true; -static u_short var_count; -static pid_t dc; - -extern char *__progname; - -#define BREAKSTACK_SZ (sizeof(breakstack)/sizeof(breakstack[0])) - -/* These values are 4.4BSD bc compatible */ -#define FUNC_CHAR 0x01 -#define ARRAY_CHAR 0xa1 - -/* Skip '\0', [, \ and ] */ -#define ENCODE(c) ((c) < '[' ? (c) : (c) + 3); -#define VAR_BASE (256-4) -#define MAX_VARIABLES (VAR_BASE * VAR_BASE) - - -#line 187 "y.tab.c" /* yacc.c:339 */ - -# ifndef YY_NULLPTR -# if defined __cplusplus && 201103L <= __cplusplus -# define YY_NULLPTR nullptr -# else -# define YY_NULLPTR 0 -# endif -# endif - -/* Enabling verbose error messages. */ -#ifdef YYERROR_VERBOSE -# undef YYERROR_VERBOSE -# define YYERROR_VERBOSE 1 -#else -# define YYERROR_VERBOSE 0 -#endif - -/* In a future release of Bison, this section will be replaced - by #include "y.tab.h". */ -#ifndef YY_YY_Y_TAB_H_INCLUDED -# define YY_YY_Y_TAB_H_INCLUDED -/* Debug traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif -#if YYDEBUG -extern int yydebug; -#endif - -/* Token type. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - enum yytokentype - { - COMMA = 258, - SEMICOLON = 259, - LPAR = 260, - RPAR = 261, - LBRACE = 262, - RBRACE = 263, - LBRACKET = 264, - RBRACKET = 265, - DOT = 266, - NEWLINE = 267, - LETTER = 268, - NUMBER = 269, - STRING = 270, - DEFINE = 271, - BREAK = 272, - QUIT = 273, - LENGTH = 274, - RETURN = 275, - FOR = 276, - IF = 277, - WHILE = 278, - SQRT = 279, - SCALE = 280, - IBASE = 281, - OBASE = 282, - AUTO = 283, - CONTINUE = 284, - ELSE = 285, - PRINT = 286, - BOOL_OR = 287, - BOOL_AND = 288, - BOOL_NOT = 289, - EQUALS = 290, - LESS_EQ = 291, - GREATER_EQ = 292, - UNEQUALS = 293, - LESS = 294, - GREATER = 295, - ASSIGN_OP = 296, - PLUS = 297, - MINUS = 298, - MULTIPLY = 299, - DIVIDE = 300, - REMAINDER = 301, - EXPONENT = 302, - UMINUS = 303, - INCR = 304, - DECR = 305 - }; -#endif -/* Tokens. */ -#define COMMA 258 -#define SEMICOLON 259 -#define LPAR 260 -#define RPAR 261 -#define LBRACE 262 -#define RBRACE 263 -#define LBRACKET 264 -#define RBRACKET 265 -#define DOT 266 -#define NEWLINE 267 -#define LETTER 268 -#define NUMBER 269 -#define STRING 270 -#define DEFINE 271 -#define BREAK 272 -#define QUIT 273 -#define LENGTH 274 -#define RETURN 275 -#define FOR 276 -#define IF 277 -#define WHILE 278 -#define SQRT 279 -#define SCALE 280 -#define IBASE 281 -#define OBASE 282 -#define AUTO 283 -#define CONTINUE 284 -#define ELSE 285 -#define PRINT 286 -#define BOOL_OR 287 -#define BOOL_AND 288 -#define BOOL_NOT 289 -#define EQUALS 290 -#define LESS_EQ 291 -#define GREATER_EQ 292 -#define UNEQUALS 293 -#define LESS 294 -#define GREATER 295 -#define ASSIGN_OP 296 -#define PLUS 297 -#define MINUS 298 -#define MULTIPLY 299 -#define DIVIDE 300 -#define REMAINDER 301 -#define EXPONENT 302 -#define UMINUS 303 -#define INCR 304 -#define DECR 305 - -/* Value type. */ -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED - -union YYSTYPE -{ -#line 124 "bc.y" /* yacc.c:355 */ - - ssize_t node; - struct lvalue lvalue; - const char *str; - char *astr; - -#line 334 "y.tab.c" /* yacc.c:355 */ -}; - -typedef union YYSTYPE YYSTYPE; -# define YYSTYPE_IS_TRIVIAL 1 -# define YYSTYPE_IS_DECLARED 1 -#endif - - -extern YYSTYPE yylval; - -int yyparse (void); - -#endif /* !YY_YY_Y_TAB_H_INCLUDED */ - -/* Copy the second part of user declarations. */ - -#line 351 "y.tab.c" /* yacc.c:358 */ - -#ifdef short -# undef short -#endif - -#ifdef YYTYPE_UINT8 -typedef YYTYPE_UINT8 yytype_uint8; -#else -typedef unsigned char yytype_uint8; -#endif - -#ifdef YYTYPE_INT8 -typedef YYTYPE_INT8 yytype_int8; -#else -typedef signed char yytype_int8; -#endif - -#ifdef YYTYPE_UINT16 -typedef YYTYPE_UINT16 yytype_uint16; -#else -typedef unsigned short int yytype_uint16; -#endif - -#ifdef YYTYPE_INT16 -typedef YYTYPE_INT16 yytype_int16; -#else -typedef short int yytype_int16; -#endif - -#ifndef YYSIZE_T -# ifdef __SIZE_TYPE__ -# define YYSIZE_T __SIZE_TYPE__ -# elif defined size_t -# define YYSIZE_T size_t -# elif ! defined YYSIZE_T -# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ -# define YYSIZE_T size_t -# else -# define YYSIZE_T unsigned int -# endif -#endif - -#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) - -#ifndef YY_ -# if defined YYENABLE_NLS && YYENABLE_NLS -# if ENABLE_NLS -# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ -# define YY_(Msgid) dgettext ("bison-runtime", Msgid) -# endif -# endif -# ifndef YY_ -# define YY_(Msgid) Msgid -# endif -#endif - -#ifndef YY_ATTRIBUTE -# if (defined __GNUC__ \ - && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ - || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C -# define YY_ATTRIBUTE(Spec) __attribute__(Spec) -# else -# define YY_ATTRIBUTE(Spec) /* empty */ -# endif -#endif - -#ifndef YY_ATTRIBUTE_PURE -# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) -#endif - -#ifndef YY_ATTRIBUTE_UNUSED -# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) -#endif - -#if !defined _Noreturn \ - && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) -# if defined _MSC_VER && 1200 <= _MSC_VER -# define _Noreturn __declspec (noreturn) -# else -# define _Noreturn YY_ATTRIBUTE ((__noreturn__)) -# endif -#endif - -/* Suppress unused-variable warnings by "using" E. */ -#if ! defined lint || defined __GNUC__ -# define YYUSE(E) ((void) (E)) -#else -# define YYUSE(E) /* empty */ -#endif - -#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ -/* Suppress an incorrect diagnostic about yylval being uninitialized. */ -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ - _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") -# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ - _Pragma ("GCC diagnostic pop") -#else -# define YY_INITIAL_VALUE(Value) Value -#endif -#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN -# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN -# define YY_IGNORE_MAYBE_UNINITIALIZED_END -#endif -#ifndef YY_INITIAL_VALUE -# define YY_INITIAL_VALUE(Value) /* Nothing. */ -#endif - - -#if ! defined yyoverflow || YYERROR_VERBOSE - -/* The parser invokes alloca or malloc; define the necessary symbols. */ - -# ifdef YYSTACK_USE_ALLOCA -# if YYSTACK_USE_ALLOCA -# ifdef __GNUC__ -# define YYSTACK_ALLOC __builtin_alloca -# elif defined __BUILTIN_VA_ARG_INCR -# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ -# elif defined _AIX -# define YYSTACK_ALLOC __alloca -# elif defined _MSC_VER -# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ -# define alloca _alloca -# else -# define YYSTACK_ALLOC alloca -# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS -# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ - /* Use EXIT_SUCCESS as a witness for stdlib.h. */ -# ifndef EXIT_SUCCESS -# define EXIT_SUCCESS 0 -# endif -# endif -# endif -# endif -# endif - -# ifdef YYSTACK_ALLOC - /* Pacify GCC's 'empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) -# ifndef YYSTACK_ALLOC_MAXIMUM - /* The OS might guarantee only one guard page at the bottom of the stack, - and a page size can be as small as 4096 bytes. So we cannot safely - invoke alloca (N) if N exceeds 4096. Use a slightly smaller number - to allow for a few compiler-allocated temporary stack slots. */ -# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ -# endif -# else -# define YYSTACK_ALLOC YYMALLOC -# define YYSTACK_FREE YYFREE -# ifndef YYSTACK_ALLOC_MAXIMUM -# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM -# endif -# if (defined __cplusplus && ! defined EXIT_SUCCESS \ - && ! ((defined YYMALLOC || defined malloc) \ - && (defined YYFREE || defined free))) -# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ -# ifndef EXIT_SUCCESS -# define EXIT_SUCCESS 0 -# endif -# endif -# ifndef YYMALLOC -# define YYMALLOC malloc -# if ! defined malloc && ! defined EXIT_SUCCESS -void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# ifndef YYFREE -# define YYFREE free -# if ! defined free && ! defined EXIT_SUCCESS -void free (void *); /* INFRINGES ON USER NAME SPACE */ -# endif -# endif -# endif -#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ - - -#if (! defined yyoverflow \ - && (! defined __cplusplus \ - || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) - -/* A type that is properly aligned for any stack member. */ -union yyalloc -{ - yytype_int16 yyss_alloc; - YYSTYPE yyvs_alloc; -}; - -/* The size of the maximum gap between one aligned stack and the next. */ -# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) - -/* The size of an array large to enough to hold all stacks, each with - N elements. */ -# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ - + YYSTACK_GAP_MAXIMUM) - -# define YYCOPY_NEEDED 1 - -/* Relocate STACK from its old location to the new one. The - local variables YYSIZE and YYSTACKSIZE give the old and new number of - elements in the stack, and YYPTR gives the new location of the - stack. Advance YYPTR to a properly aligned location for the next - stack. */ -# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ - do \ - { \ - YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ - Stack = &yyptr->Stack_alloc; \ - yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ - yyptr += yynewbytes / sizeof (*yyptr); \ - } \ - while (0) - -#endif - -#if defined YYCOPY_NEEDED && YYCOPY_NEEDED -/* Copy COUNT objects from SRC to DST. The source and destination do - not overlap. */ -# ifndef YYCOPY -# if defined __GNUC__ && 1 < __GNUC__ -# define YYCOPY(Dst, Src, Count) \ - __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) -# else -# define YYCOPY(Dst, Src, Count) \ - do \ - { \ - YYSIZE_T yyi; \ - for (yyi = 0; yyi < (Count); yyi++) \ - (Dst)[yyi] = (Src)[yyi]; \ - } \ - while (0) -# endif -# endif -#endif /* !YYCOPY_NEEDED */ - -/* YYFINAL -- State number of the termination state. */ -#define YYFINAL 2 -/* YYLAST -- Last index in YYTABLE. */ -#define YYLAST 682 - -/* YYNTOKENS -- Number of terminals. */ -#define YYNTOKENS 51 -/* YYNNTS -- Number of nonterminals. */ -#define YYNNTS 26 -/* YYNRULES -- Number of rules. */ -#define YYNRULES 108 -/* YYNSTATES -- Number of states. */ -#define YYNSTATES 198 - -/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned - by yylex, with out-of-bounds checking. */ -#define YYUNDEFTOK 2 -#define YYMAXUTOK 305 - -#define YYTRANSLATE(YYX) \ - ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) - -/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM - as returned by yylex, without out-of-bounds checking. */ -static const yytype_uint8 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, 46, 47, 48, 49, 50 -}; - -#if YYDEBUG - /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ -static const yytype_uint16 yyrline[] = -{ - 0, 172, 172, 173, 176, 184, 190, 194, 201, 204, - 205, 209, 213, 216, 217, 218, 222, 223, 231, 234, - 237, 241, 250, 255, 267, 279, 291, 299, 316, 322, - 330, 342, 346, 353, 373, 378, 392, 404, 405, 408, - 410, 414, 419, 424, 429, 438, 440, 441, 445, 450, - 455, 460, 470, 473, 477, 478, 482, 492, 495, 499, - 503, 507, 511, 515, 519, 523, 532, 536, 541, 550, - 553, 556, 560, 563, 567, 571, 578, 583, 587, 591, - 595, 599, 603, 607, 612, 617, 622, 627, 636, 640, - 644, 648, 652, 658, 664, 668, 672, 676, 680, 684, - 691, 699, 707, 712, 717, 725, 726, 732, 736 -}; -#endif - -#if YYDEBUG || YYERROR_VERBOSE || 0 -/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ -static const char *const yytname[] = -{ - "$end", "error", "$undefined", "COMMA", "SEMICOLON", "LPAR", "RPAR", - "LBRACE", "RBRACE", "LBRACKET", "RBRACKET", "DOT", "NEWLINE", "LETTER", - "NUMBER", "STRING", "DEFINE", "BREAK", "QUIT", "LENGTH", "RETURN", "FOR", - "IF", "WHILE", "SQRT", "SCALE", "IBASE", "OBASE", "AUTO", "CONTINUE", - "ELSE", "PRINT", "BOOL_OR", "BOOL_AND", "BOOL_NOT", "EQUALS", "LESS_EQ", - "GREATER_EQ", "UNEQUALS", "LESS", "GREATER", "ASSIGN_OP", "PLUS", - "MINUS", "MULTIPLY", "DIVIDE", "REMAINDER", "EXPONENT", "UMINUS", "INCR", - "DECR", "$accept", "program", "input_item", "semicolon_list", - "statement_list", "opt_statement", "statement", "alloc_macro", - "pop_nesting", "function", "function_header", "opt_newline", - "opt_parameter_list", "parameter_list", "opt_auto_define_list", - "define_list", "opt_argument_list", "argument_list", - "opt_relational_expression", "relational_expression", - "return_expression", "opt_expression", "expression", "named_expression", - "print_expression_list", "print_expression", YY_NULLPTR -}; -#endif - -# ifdef YYPRINT -/* YYTOKNUM[NUM] -- (External) token number corresponding to the - (internal) symbol number NUM (which must be that of a token). */ -static const yytype_uint16 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, 301, 302, 303, 304, - 305 -}; -# endif - -#define YYPACT_NINF -154 - -#define yypact_value_is_default(Yystate) \ - (!!((Yystate) == (-154))) - -#define YYTABLE_NINF -100 - -#define yytable_value_is_error(Yytable_value) \ - (!!((Yytable_value) == (-100))) - - /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ -static const yytype_int16 yypact[] = -{ - -154, 215, -154, 24, 336, 255, -154, 32, -154, -154, - 4, -154, -154, 7, 363, 16, 39, 48, 60, 62, - -154, -154, -154, 282, 336, 336, -7, -7, -154, 12, - -154, -154, 19, 482, -27, -154, -154, 74, -10, 47, - -154, 336, 336, 73, 336, 131, -154, 482, -154, -154, - -154, 336, 336, -154, 482, 58, -154, 622, -154, 43, - -154, -154, -154, 255, -154, 81, 85, 89, -154, -154, - 336, 336, 336, 336, 336, 336, 336, 336, 336, 336, - 336, 336, 336, -154, -154, -154, 336, 255, -154, 255, - 92, 96, 482, 466, -154, 412, -154, 336, -154, 336, - 428, 447, 282, -154, 90, 83, 88, -154, -154, 635, - 635, 635, 635, 635, 635, 37, 37, 55, 55, 55, - 55, 3, 27, -154, -154, -154, 390, -154, -154, 101, - 482, 336, 102, 498, -154, -154, -154, -154, -154, 108, - 126, 336, 336, 49, 482, 336, 134, 255, 336, 336, - 336, 336, 336, 336, 129, 133, 609, 622, 309, 143, - -154, 255, -154, -154, 514, 530, 546, 562, 578, 594, - 120, -154, -154, 336, 122, -154, 140, 255, 153, -154, - 152, 31, 56, 255, -154, 154, 149, -154, -154, -154, - -154, 255, -154, 157, -154, -154, 158, -154 -}; - - /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. - Performed when YYTABLE does not specify something else to do. Zero - means the default is an error. */ -static const yytype_uint8 yydefact[] = -{ - 2, 0, 1, 0, 0, 12, 72, 100, 73, 22, - 0, 23, 25, 0, 66, 0, 0, 0, 0, 102, - 103, 104, 24, 0, 0, 0, 0, 0, 3, 0, - 9, 5, 39, 20, 71, 6, 7, 0, 71, 0, - 13, 52, 0, 0, 0, 0, 26, 67, 33, 33, - 33, 0, 0, 108, 107, 32, 105, 91, 76, 100, - 102, 83, 84, 11, 4, 41, 0, 40, 33, 33, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 85, 86, 74, 0, 16, 31, 14, - 0, 53, 54, 0, 36, 0, 68, 69, 34, 0, - 0, 0, 0, 10, 0, 37, 0, 34, 34, 94, - 97, 99, 95, 96, 98, 77, 78, 79, 80, 81, - 82, 87, 87, 17, 15, 75, 0, 101, 88, 0, - 70, 0, 0, 65, 89, 90, 106, 42, 38, 0, - 43, 0, 0, 100, 55, 57, 0, 18, 0, 0, - 0, 0, 0, 0, 0, 0, 93, 92, 0, 0, - 58, 18, 34, 19, 59, 62, 64, 60, 61, 63, - 45, 44, 56, 69, 28, 30, 0, 12, 0, 33, - 48, 0, 0, 18, 34, 0, 0, 47, 46, 35, - 34, 18, 49, 50, 27, 29, 0, 51 -}; - - /* YYPGOTO[NTERM-NUM]. */ -static const yytype_int16 yypgoto[] = -{ - -154, -154, -154, -154, -14, -153, 0, -40, -105, -154, - -154, -154, -154, -154, -154, -154, -154, -154, -154, -118, - -154, -6, 52, -1, -154, 67 -}; - - /* YYDEFGOTO[NTERM-NUM]. */ -static const yytype_int16 yydefgoto[] = -{ - -1, 1, 28, 29, 39, 162, 163, 97, 131, 31, - 32, 139, 66, 67, 177, 181, 90, 91, 159, 132, - 46, 129, 33, 38, 55, 56 -}; - - /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule whose - number is the opposite. If YYTABLE_NINF, syntax error. */ -static const yytype_int16 yytable[] = -{ - 34, 30, 141, 142, 34, 40, 59, -21, 174, 98, - 99, -21, 44, 146, 82, -21, 63, 43, 60, 20, - 21, 48, 83, 84, 64, 61, 62, 160, 107, 108, - 190, 86, 65, -21, 186, 187, 35, 41, 195, 83, - 84, 42, 36, 188, 49, 76, 77, 78, 79, 80, - 81, 87, 42, 50, 41, 88, 37, 175, 158, 89, - 87, 102, 34, 103, 189, 51, 47, 52, 89, 76, - 77, 78, 79, 80, 81, 54, 57, 58, 94, 191, - 85, 78, 79, 80, 81, 194, 34, 123, 34, 124, - 104, 105, 106, 92, 93, 138, 95, 37, 125, 126, - 137, 140, 81, 100, 101, 145, 68, 69, 147, 70, - 71, 72, 73, 74, 75, 154, 76, 77, 78, 79, - 80, 81, 109, 110, 111, 112, 113, 114, 115, 116, - 117, 118, 119, 120, 121, 155, 4, 96, 122, 184, - 161, 170, 6, 171, 7, 8, 34, 173, 176, 130, - 13, 133, 179, 180, 54, 18, 19, 20, 21, 183, - 34, 185, 193, 182, 192, 24, 196, 178, 197, 136, - 0, 0, 0, 0, 25, 0, 34, 40, 144, 0, - 26, 27, 34, 133, 0, 0, 0, 0, 0, 0, - 34, 0, 0, 156, 157, 0, 0, 133, 0, 0, - 164, 165, 166, 167, 168, 169, 0, 0, 0, 0, - 93, 0, 0, 0, 0, 2, 3, 0, 0, -8, - 4, 0, 5, 0, 0, 130, 6, -8, 7, 8, - 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, - 19, 20, 21, 0, 22, 0, 23, 0, 0, 24, - 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, - 4, 0, 5, 0, 26, 27, 6, 0, 7, 8, - 9, 0, 11, 12, 13, 14, 15, 16, 17, 18, - 19, 20, 21, 0, 22, 0, 23, 4, 0, 24, - 0, 0, 0, 6, 0, 7, 8, 53, 25, 0, - 0, 13, 0, 0, 26, 27, 18, 19, 20, 21, - 0, 0, 0, 0, 4, 0, 24, 0, 0, 172, - 6, 0, 7, 8, 0, 25, 0, 0, 13, 0, - 0, 26, 27, 18, 19, 20, 21, 0, 0, 0, - 0, 4, 0, 24, 0, 0, 0, 6, 0, 7, - 8, 0, 25, 0, 0, 13, 0, 0, 26, 27, - 18, 19, 20, 21, 0, 0, 0, 0, 45, 0, - 24, 0, 0, 0, 6, 0, 7, 8, 0, 25, - 0, 0, 13, 0, 0, 26, 27, 18, 19, 20, - 21, 0, 0, 0, 0, 4, 0, 24, 0, 0, - 0, 6, 0, 143, 8, 0, 25, 0, 0, 13, - 0, 0, 26, 27, 18, 19, 20, 21, 128, 0, - 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, - 0, 0, 0, 25, 134, 0, 0, 0, 0, 26, - 27, 0, 0, 0, 68, 69, 0, 70, 71, 72, - 73, 74, 75, 135, 76, 77, 78, 79, 80, 81, - 68, 69, 0, 70, 71, 72, 73, 74, 75, 0, - 76, 77, 78, 79, 80, 81, 127, 0, 0, 68, - 69, 0, 70, 71, 72, 73, 74, 75, 0, 76, - 77, 78, 79, 80, 81, 0, 0, 0, 68, 69, - 0, 70, 71, 72, 73, 74, 75, 0, 76, 77, - 78, 79, 80, 81, 68, 69, 0, 70, 71, 72, - 73, 74, 75, 0, 76, 77, 78, 79, 80, 81, - 68, 69, 0, 148, 149, 150, 151, 152, 153, 0, - 76, 77, 78, 79, 80, 81, -94, -94, 0, -100, - -100, -100, -100, -100, -100, 0, 76, 77, 78, 79, - 80, 81, -97, -97, 0, -100, -100, -100, -100, -100, - -100, 0, 76, 77, 78, 79, 80, 81, -99, -99, - 0, -100, -100, -100, -100, -100, -100, 0, 76, 77, - 78, 79, 80, 81, -95, -95, 0, -100, -100, -100, - -100, -100, -100, 0, 76, 77, 78, 79, 80, 81, - -96, -96, 0, -100, -100, -100, -100, -100, -100, 0, - 76, 77, 78, 79, 80, 81, -98, -98, 0, -100, - -100, -100, -100, -100, -100, 0, 76, 77, 78, 79, - 80, 81, 69, 0, 70, 71, 72, 73, 74, 75, - 0, 76, 77, 78, 79, 80, 81, 70, 71, 72, - 73, 74, 75, 0, 76, 77, 78, 79, 80, 81, - -100, -100, -100, -100, -100, -100, 0, 76, 77, 78, - 79, 80, 81 -}; - -static const yytype_int16 yycheck[] = -{ - 1, 1, 107, 108, 5, 5, 13, 4, 161, 49, - 50, 8, 5, 131, 41, 12, 4, 13, 25, 26, - 27, 5, 49, 50, 12, 26, 27, 145, 68, 69, - 183, 41, 13, 30, 3, 4, 12, 5, 191, 49, - 50, 9, 18, 12, 5, 42, 43, 44, 45, 46, - 47, 4, 9, 5, 5, 8, 4, 162, 9, 12, - 4, 3, 63, 63, 8, 5, 14, 5, 12, 42, - 43, 44, 45, 46, 47, 23, 24, 25, 5, 184, - 6, 44, 45, 46, 47, 190, 87, 87, 89, 89, - 9, 6, 3, 41, 42, 12, 44, 45, 6, 3, - 10, 13, 47, 51, 52, 4, 32, 33, 6, 35, - 36, 37, 38, 39, 40, 7, 42, 43, 44, 45, - 46, 47, 70, 71, 72, 73, 74, 75, 76, 77, - 78, 79, 80, 81, 82, 9, 5, 6, 86, 179, - 6, 12, 11, 10, 13, 14, 147, 4, 28, 97, - 19, 99, 30, 13, 102, 24, 25, 26, 27, 6, - 161, 9, 13, 177, 10, 34, 9, 173, 10, 102, - -1, -1, -1, -1, 43, -1, 177, 177, 126, -1, - 49, 50, 183, 131, -1, -1, -1, -1, -1, -1, - 191, -1, -1, 141, 142, -1, -1, 145, -1, -1, - 148, 149, 150, 151, 152, 153, -1, -1, -1, -1, - 158, -1, -1, -1, -1, 0, 1, -1, -1, 4, - 5, -1, 7, -1, -1, 173, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, -1, 29, -1, 31, -1, -1, 34, - -1, -1, -1, -1, -1, -1, -1, -1, 43, -1, - 5, -1, 7, -1, 49, 50, 11, -1, 13, 14, - 15, -1, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 26, 27, -1, 29, -1, 31, 5, -1, 34, - -1, -1, -1, 11, -1, 13, 14, 15, 43, -1, - -1, 19, -1, -1, 49, 50, 24, 25, 26, 27, - -1, -1, -1, -1, 5, -1, 34, -1, -1, 10, - 11, -1, 13, 14, -1, 43, -1, -1, 19, -1, - -1, 49, 50, 24, 25, 26, 27, -1, -1, -1, - -1, 5, -1, 34, -1, -1, -1, 11, -1, 13, - 14, -1, 43, -1, -1, 19, -1, -1, 49, 50, - 24, 25, 26, 27, -1, -1, -1, -1, 5, -1, - 34, -1, -1, -1, 11, -1, 13, 14, -1, 43, - -1, -1, 19, -1, -1, 49, 50, 24, 25, 26, - 27, -1, -1, -1, -1, 5, -1, 34, -1, -1, - -1, 11, -1, 13, 14, -1, 43, -1, -1, 19, - -1, -1, 49, 50, 24, 25, 26, 27, 6, -1, - -1, -1, -1, -1, 34, -1, -1, -1, -1, -1, - -1, -1, -1, 43, 6, -1, -1, -1, -1, 49, - 50, -1, -1, -1, 32, 33, -1, 35, 36, 37, - 38, 39, 40, 6, 42, 43, 44, 45, 46, 47, - 32, 33, -1, 35, 36, 37, 38, 39, 40, -1, - 42, 43, 44, 45, 46, 47, 10, -1, -1, 32, - 33, -1, 35, 36, 37, 38, 39, 40, -1, 42, - 43, 44, 45, 46, 47, -1, -1, -1, 32, 33, - -1, 35, 36, 37, 38, 39, 40, -1, 42, 43, - 44, 45, 46, 47, 32, 33, -1, 35, 36, 37, - 38, 39, 40, -1, 42, 43, 44, 45, 46, 47, - 32, 33, -1, 35, 36, 37, 38, 39, 40, -1, - 42, 43, 44, 45, 46, 47, 32, 33, -1, 35, - 36, 37, 38, 39, 40, -1, 42, 43, 44, 45, - 46, 47, 32, 33, -1, 35, 36, 37, 38, 39, - 40, -1, 42, 43, 44, 45, 46, 47, 32, 33, - -1, 35, 36, 37, 38, 39, 40, -1, 42, 43, - 44, 45, 46, 47, 32, 33, -1, 35, 36, 37, - 38, 39, 40, -1, 42, 43, 44, 45, 46, 47, - 32, 33, -1, 35, 36, 37, 38, 39, 40, -1, - 42, 43, 44, 45, 46, 47, 32, 33, -1, 35, - 36, 37, 38, 39, 40, -1, 42, 43, 44, 45, - 46, 47, 33, -1, 35, 36, 37, 38, 39, 40, - -1, 42, 43, 44, 45, 46, 47, 35, 36, 37, - 38, 39, 40, -1, 42, 43, 44, 45, 46, 47, - 35, 36, 37, 38, 39, 40, -1, 42, 43, 44, - 45, 46, 47 -}; - - /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const yytype_uint8 yystos[] = -{ - 0, 52, 0, 1, 5, 7, 11, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, - 26, 27, 29, 31, 34, 43, 49, 50, 53, 54, - 57, 60, 61, 73, 74, 12, 18, 73, 74, 55, - 57, 5, 9, 13, 5, 5, 71, 73, 5, 5, - 5, 5, 5, 15, 73, 75, 76, 73, 73, 13, - 25, 74, 74, 4, 12, 13, 63, 64, 32, 33, - 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, - 46, 47, 41, 49, 50, 6, 41, 4, 8, 12, - 67, 68, 73, 73, 5, 73, 6, 58, 58, 58, - 73, 73, 3, 57, 9, 6, 3, 58, 58, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73, 73, 57, 57, 6, 3, 10, 6, 72, - 73, 59, 70, 73, 6, 6, 76, 10, 12, 62, - 13, 59, 59, 13, 73, 4, 70, 6, 35, 36, - 37, 38, 39, 40, 7, 9, 73, 73, 9, 69, - 70, 6, 56, 57, 73, 73, 73, 73, 73, 73, - 12, 10, 10, 4, 56, 59, 28, 65, 72, 30, - 13, 66, 55, 6, 58, 9, 3, 4, 12, 8, - 56, 59, 10, 13, 59, 56, 9, 10 -}; - - /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const yytype_uint8 yyr1[] = -{ - 0, 51, 52, 52, 53, 53, 53, 53, 54, 54, - 54, 54, 55, 55, 55, 55, 55, 55, 56, 56, - 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, - 57, 57, 57, 58, 59, 60, 61, 62, 62, 63, - 63, 64, 64, 64, 64, 65, 65, 65, 66, 66, - 66, 66, 67, 67, 68, 68, 68, 69, 69, 70, - 70, 70, 70, 70, 70, 70, 71, 71, 71, 72, - 72, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, - 74, 74, 74, 74, 74, 75, 75, 76, 76 -}; - - /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ -static const yytype_uint8 yyr2[] = -{ - 0, 2, 0, 2, 2, 1, 2, 2, 0, 1, - 3, 2, 0, 1, 2, 3, 2, 3, 0, 1, - 1, 3, 1, 1, 1, 1, 2, 11, 7, 11, - 7, 3, 2, 0, 0, 9, 3, 0, 1, 0, - 1, 1, 3, 3, 5, 0, 3, 3, 1, 3, - 3, 5, 0, 1, 1, 3, 5, 0, 1, 3, - 3, 3, 3, 3, 3, 1, 0, 1, 2, 0, - 1, 1, 1, 1, 3, 4, 2, 3, 3, 3, - 3, 3, 3, 2, 2, 2, 2, 3, 4, 4, - 4, 2, 5, 5, 3, 3, 3, 3, 3, 3, - 1, 4, 1, 1, 1, 1, 3, 1, 1 -}; - - -#define yyerrok (yyerrstatus = 0) -#define yyclearin (yychar = YYEMPTY) -#define YYEMPTY (-2) -#define YYEOF 0 - -#define YYACCEPT goto yyacceptlab -#define YYABORT goto yyabortlab -#define YYERROR goto yyerrorlab - - -#define YYRECOVERING() (!!yyerrstatus) - -#define YYBACKUP(Token, Value) \ -do \ - if (yychar == YYEMPTY) \ - { \ - yychar = (Token); \ - yylval = (Value); \ - YYPOPSTACK (yylen); \ - yystate = *yyssp; \ - goto yybackup; \ - } \ - else \ - { \ - yyerror (YY_("syntax error: cannot back up")); \ - YYERROR; \ - } \ -while (0) - -/* Error token number */ -#define YYTERROR 1 -#define YYERRCODE 256 - - - -/* Enable debugging if requested. */ -#if YYDEBUG - -# ifndef YYFPRINTF -# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ -# define YYFPRINTF fprintf -# endif - -# define YYDPRINTF(Args) \ -do { \ - if (yydebug) \ - YYFPRINTF Args; \ -} while (0) - -/* This macro is provided for backward compatibility. */ -#ifndef YY_LOCATION_PRINT -# define YY_LOCATION_PRINT(File, Loc) ((void) 0) -#endif - - -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yy_symbol_print (stderr, \ - Type, Value); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) - - -/*----------------------------------------. -| Print this symbol's value on YYOUTPUT. | -`----------------------------------------*/ - -static void -yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -{ - FILE *yyo = yyoutput; - YYUSE (yyo); - if (!yyvaluep) - return; -# ifdef YYPRINT - if (yytype < YYNTOKENS) - YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); -# endif - YYUSE (yytype); -} - - -/*--------------------------------. -| Print this symbol on YYOUTPUT. | -`--------------------------------*/ - -static void -yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) -{ - YYFPRINTF (yyoutput, "%s %s (", - yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); - - yy_symbol_value_print (yyoutput, yytype, yyvaluep); - YYFPRINTF (yyoutput, ")"); -} - -/*------------------------------------------------------------------. -| yy_stack_print -- Print the state stack from its BOTTOM up to its | -| TOP (included). | -`------------------------------------------------------------------*/ - -static void -yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) -{ - YYFPRINTF (stderr, "Stack now"); - for (; yybottom <= yytop; yybottom++) - { - int yybot = *yybottom; - YYFPRINTF (stderr, " %d", yybot); - } - 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. | -`------------------------------------------------*/ - -static void -yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule) -{ - unsigned long int yylno = yyrline[yyrule]; - int yynrhs = yyr2[yyrule]; - int yyi; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", - yyrule - 1, yylno); - /* The symbols being reduced. */ - for (yyi = 0; yyi < yynrhs; yyi++) - { - YYFPRINTF (stderr, " $%d = ", yyi + 1); - yy_symbol_print (stderr, - yystos[yyssp[yyi + 1 - yynrhs]], - &(yyvsp[(yyi + 1) - (yynrhs)]) - ); - YYFPRINTF (stderr, "\n"); - } -} - -# define YY_REDUCE_PRINT(Rule) \ -do { \ - if (yydebug) \ - yy_reduce_print (yyssp, yyvsp, 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 YY_SYMBOL_PRINT(Title, Type, 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 -#endif - -/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only - if the built-in stack extension method is used). - - Do not make this value too large; the results are undefined if - YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) - evaluated with infinite-precision integer arithmetic. */ - -#ifndef YYMAXDEPTH -# define YYMAXDEPTH 10000 -#endif - - -#if YYERROR_VERBOSE - -# ifndef yystrlen -# if defined __GLIBC__ && defined _STRING_H -# define yystrlen strlen -# else -/* Return the length of YYSTR. */ -static YYSIZE_T -yystrlen (const char *yystr) -{ - YYSIZE_T yylen; - for (yylen = 0; yystr[yylen]; yylen++) - continue; - return yylen; -} -# endif -# endif - -# ifndef yystpcpy -# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE -# define yystpcpy stpcpy -# else -/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in - YYDEST. */ -static char * -yystpcpy (char *yydest, const char *yysrc) -{ - char *yyd = yydest; - const char *yys = yysrc; - - while ((*yyd++ = *yys++) != '\0') - continue; - - return yyd - 1; -} -# endif -# endif - -# ifndef yytnamerr -/* Copy to YYRES the contents of YYSTR after stripping away unnecessary - quotes and backslashes, so that it's suitable for yyerror. The - heuristic is that double-quoting is unnecessary unless the string - contains an apostrophe, a comma, or backslash (other than - backslash-backslash). YYSTR is taken from yytname. If YYRES is - null, do not copy; instead, return the length of what the result - would have been. */ -static YYSIZE_T -yytnamerr (char *yyres, const char *yystr) -{ - if (*yystr == '"') - { - YYSIZE_T yyn = 0; - char const *yyp = yystr; - - for (;;) - switch (*++yyp) - { - case '\'': - case ',': - goto do_not_strip_quotes; - - case '\\': - if (*++yyp != '\\') - goto do_not_strip_quotes; - /* Fall through. */ - default: - if (yyres) - yyres[yyn] = *yyp; - yyn++; - break; - - case '"': - if (yyres) - yyres[yyn] = '\0'; - return yyn; - } - do_not_strip_quotes: ; - } - - if (! yyres) - return yystrlen (yystr); - - return yystpcpy (yyres, yystr) - yyres; -} -# endif - -/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message - about the unexpected token YYTOKEN for the state stack whose top is - YYSSP. - - Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is - not large enough to hold the message. In that case, also set - *YYMSG_ALLOC to the required number of bytes. Return 2 if the - required number of bytes is too large to store. */ -static int -yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, - yytype_int16 *yyssp, int yytoken) -{ - YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); - YYSIZE_T yysize = yysize0; - enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; - /* Internationalized format string. */ - const char *yyformat = YY_NULLPTR; - /* Arguments of yyformat. */ - char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; - /* Number of reported tokens (one for the "unexpected", one per - "expected"). */ - int yycount = 0; - - /* There are many possibilities here to consider: - - If this state is a consistent state with a default action, then - the only way this function was invoked is if the default action - is an error action. In that case, don't check for expected - tokens because there are none. - - The only way there can be no lookahead present (in yychar) is if - this state is a consistent state with a default action. Thus, - detecting the absence of a lookahead is sufficient to determine - that there is no unexpected or expected token to report. In that - case, just report a simple "syntax error". - - Don't assume there isn't a lookahead just because this state is a - consistent state with a default action. There might have been a - previous inconsistent state, consistent state with a non-default - action, or user semantic action that manipulated yychar. - - Of course, the expected token list depends on states to have - correct lookahead information, and it depends on the parser not - to perform extra reductions after fetching a lookahead from the - scanner and before detecting a syntax error. Thus, state merging - (from LALR or IELR) and default reductions corrupt the expected - token list. However, the list is correct for canonical LR with - one exception: it will still contain any token that will not be - accepted due to an error action in a later state. - */ - if (yytoken != YYEMPTY) - { - int yyn = yypact[*yyssp]; - yyarg[yycount++] = yytname[yytoken]; - if (!yypact_value_is_default (yyn)) - { - /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. In other words, skip the first -YYN actions for - this state because they are default actions. */ - int yyxbegin = yyn < 0 ? -yyn : 0; - /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn + 1; - int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; - int yyx; - - for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR - && !yytable_value_is_error (yytable[yyx + yyn])) - { - if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) - { - yycount = 1; - yysize = yysize0; - break; - } - yyarg[yycount++] = yytname[yyx]; - { - YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); - if (! (yysize <= yysize1 - && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) - return 2; - yysize = yysize1; - } - } - } - } - - switch (yycount) - { -# define YYCASE_(N, S) \ - case N: \ - yyformat = S; \ - break - YYCASE_(0, YY_("syntax error")); - YYCASE_(1, YY_("syntax error, unexpected %s")); - YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); - YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); - YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); - YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); -# undef YYCASE_ - } - - { - YYSIZE_T yysize1 = yysize + yystrlen (yyformat); - if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) - return 2; - yysize = yysize1; - } - - if (*yymsg_alloc < yysize) - { - *yymsg_alloc = 2 * yysize; - if (! (yysize <= *yymsg_alloc - && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) - *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; - return 1; - } - - /* Avoid sprintf, as that infringes on the user's name space. - Don't have undefined behavior even if the translation - produced a string with the wrong number of "%s"s. */ - { - char *yyp = *yymsg; - int yyi = 0; - while ((*yyp = *yyformat) != '\0') - if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) - { - yyp += yytnamerr (yyp, yyarg[yyi++]); - yyformat += 2; - } - else - { - yyp++; - yyformat++; - } - } - return 0; -} -#endif /* YYERROR_VERBOSE */ - -/*-----------------------------------------------. -| Release the memory associated to this symbol. | -`-----------------------------------------------*/ - -static void -yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) -{ - YYUSE (yyvaluep); - if (!yymsg) - yymsg = "Deleting"; - YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); - - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - YYUSE (yytype); - YY_IGNORE_MAYBE_UNINITIALIZED_END -} - - - - -/* The lookahead symbol. */ -int yychar; - -/* The semantic value of the lookahead symbol. */ -YYSTYPE yylval; -/* Number of syntax errors so far. */ -int yynerrs; - - -/*----------. -| yyparse. | -`----------*/ - -int -yyparse (void) -{ - int yystate; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - - /* The stacks and their tools: - 'yyss': related to states. - 'yyvs': related to semantic values. - - Refer to the stacks through separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ - - /* The state stack. */ - yytype_int16 yyssa[YYINITDEPTH]; - yytype_int16 *yyss; - yytype_int16 *yyssp; - - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs; - YYSTYPE *yyvsp; - - YYSIZE_T yystacksize; - - int yyn; - int yyresult; - /* Lookahead token as an internal (translated) token number. */ - int yytoken = 0; - /* The variables used to return semantic value and location from the - action routines. */ - YYSTYPE yyval; - -#if YYERROR_VERBOSE - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYSIZE_T yymsg_alloc = sizeof yymsgbuf; -#endif - -#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) - - /* The number of symbols on the RHS of the reduced rule. - Keep to zero when no symbol should be popped. */ - int yylen = 0; - - yyssp = yyss = yyssa; - yyvsp = yyvs = yyvsa; - yystacksize = YYINITDEPTH; - - YYDPRINTF ((stderr, "Starting parse\n")); - - yystate = 0; - yyerrstatus = 0; - yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ - goto yysetstate; - -/*------------------------------------------------------------. -| yynewstate -- Push a new state, which is found in yystate. | -`------------------------------------------------------------*/ - yynewstate: - /* In all cases, when you get here, the value and location stacks - have just been pushed. So pushing a state here evens the stacks. */ - yyssp++; - - yysetstate: - *yyssp = yystate; - - if (yyss + yystacksize - 1 <= yyssp) - { - /* Get the current used size of the three stacks, in elements. */ - YYSIZE_T yysize = yyssp - yyss + 1; - -#ifdef yyoverflow - { - /* Give user a chance to reallocate the stack. Use copies of - these so that the &'s don't force the real ones into - memory. */ - YYSTYPE *yyvs1 = yyvs; - yytype_int16 *yyss1 = yyss; - - /* Each stack pointer address is followed by the size of the - 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 (YY_("memory exhausted"), - &yyss1, yysize * sizeof (*yyssp), - &yyvs1, yysize * sizeof (*yyvsp), - &yystacksize); - - yyss = yyss1; - yyvs = yyvs1; - } -#else /* no yyoverflow */ -# ifndef YYSTACK_RELOCATE - goto yyexhaustedlab; -# else - /* Extend the stack our own way. */ - if (YYMAXDEPTH <= yystacksize) - goto yyexhaustedlab; - yystacksize *= 2; - if (YYMAXDEPTH < yystacksize) - yystacksize = YYMAXDEPTH; - - { - yytype_int16 *yyss1 = yyss; - union yyalloc *yyptr = - (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); - if (! yyptr) - goto yyexhaustedlab; - YYSTACK_RELOCATE (yyss_alloc, yyss); - YYSTACK_RELOCATE (yyvs_alloc, yyvs); -# undef YYSTACK_RELOCATE - if (yyss1 != yyssa) - YYSTACK_FREE (yyss1); - } -# endif -#endif /* no yyoverflow */ - - yyssp = yyss + yysize - 1; - yyvsp = yyvs + yysize - 1; - - YYDPRINTF ((stderr, "Stack size increased to %lu\n", - (unsigned long int) yystacksize)); - - if (yyss + yystacksize - 1 <= yyssp) - YYABORT; - } - - YYDPRINTF ((stderr, "Entering state %d\n", yystate)); - - if (yystate == YYFINAL) - YYACCEPT; - - goto yybackup; - -/*-----------. -| yybackup. | -`-----------*/ -yybackup: - - /* Do appropriate processing given the current state. Read a - lookahead token if we need one and don't already have one. */ - - /* First try to decide what to do without reference to lookahead token. */ - yyn = yypact[yystate]; - if (yypact_value_is_default (yyn)) - goto yydefault; - - /* Not known => get a lookahead token if don't already have one. */ - - /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ - if (yychar == YYEMPTY) - { - YYDPRINTF ((stderr, "Reading a token: ")); - yychar = yylex (); - } - - if (yychar <= YYEOF) - { - yychar = yytoken = YYEOF; - YYDPRINTF ((stderr, "Now at end of input.\n")); - } - else - { - yytoken = YYTRANSLATE (yychar); - YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); - } - - /* 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]; - if (yyn <= 0) - { - if (yytable_value_is_error (yyn)) - goto yyerrlab; - yyn = -yyn; - goto yyreduce; - } - - /* Count tokens shifted since error; after three, turn off error - status. */ - if (yyerrstatus) - yyerrstatus--; - - /* Shift the lookahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the shifted token. */ - yychar = YYEMPTY; - - yystate = yyn; - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - *++yyvsp = yylval; - YY_IGNORE_MAYBE_UNINITIALIZED_END - - goto yynewstate; - - -/*-----------------------------------------------------------. -| yydefault -- do the default action for the current state. | -`-----------------------------------------------------------*/ -yydefault: - yyn = yydefact[yystate]; - if (yyn == 0) - goto yyerrlab; - goto yyreduce; - - -/*-----------------------------. -| yyreduce -- Do a reduction. | -`-----------------------------*/ -yyreduce: - /* yyn is the number of a rule to reduce with. */ - yylen = yyr2[yyn]; - - /* If YYLEN is nonzero, implement the default value of the action: - '$$ = $1'. - - 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]; - - - YY_REDUCE_PRINT (yyn); - switch (yyn) - { - case 4: -#line 177 "bc.y" /* yacc.c:1646 */ - { - emit((yyvsp[-1].node), 0); - macro_char = reset_macro_char; - putchar('\n'); - free_tree(); - st_has_continue = false; - } -#line 1672 "y.tab.c" /* yacc.c:1646 */ - break; - - case 5: -#line 185 "bc.y" /* yacc.c:1646 */ - { - putchar('\n'); - free_tree(); - st_has_continue = false; - } -#line 1682 "y.tab.c" /* yacc.c:1646 */ - break; - - case 6: -#line 191 "bc.y" /* yacc.c:1646 */ - { - yyerrok; - } -#line 1690 "y.tab.c" /* yacc.c:1646 */ - break; - - case 7: -#line 195 "bc.y" /* yacc.c:1646 */ - { - yyerrok; - } -#line 1698 "y.tab.c" /* yacc.c:1646 */ - break; - - case 8: -#line 201 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(""); - } -#line 1706 "y.tab.c" /* yacc.c:1646 */ - break; - - case 10: -#line 206 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), END_NODE); - } -#line 1714 "y.tab.c" /* yacc.c:1646 */ - break; - - case 12: -#line 213 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(""); - } -#line 1722 "y.tab.c" /* yacc.c:1646 */ - break; - - case 15: -#line 219 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), END_NODE); - } -#line 1730 "y.tab.c" /* yacc.c:1646 */ - break; - - case 17: -#line 224 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), END_NODE); - } -#line 1738 "y.tab.c" /* yacc.c:1646 */ - break; - - case 18: -#line 231 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(""); - } -#line 1746 "y.tab.c" /* yacc.c:1646 */ - break; - - case 20: -#line 238 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), cs("ps."), END_NODE); - } -#line 1754 "y.tab.c" /* yacc.c:1646 */ - break; - - case 21: -#line 242 "bc.y" /* yacc.c:1646 */ - { - if ((yyvsp[-1].str)[0] == '\0') - (yyval.node) = node((yyvsp[0].node), cs((yyvsp[-1].str)), (yyvsp[-2].lvalue).store, - END_NODE); - else - (yyval.node) = node((yyvsp[-2].lvalue).load, (yyvsp[0].node), cs((yyvsp[-1].str)), (yyvsp[-2].lvalue).store, - END_NODE); - } -#line 1767 "y.tab.c" /* yacc.c:1646 */ - break; - - case 22: -#line 251 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs("["), as((yyvsp[0].str)), - cs("]P"), END_NODE); - } -#line 1776 "y.tab.c" /* yacc.c:1646 */ - break; - - case 23: -#line 256 "bc.y" /* yacc.c:1646 */ - { - if (breaksp == 0) { - warning("break not in for or while"); - YYERROR; - } else { - (yyval.node) = node( - numnode(nesting - - breakstack[breaksp-1]), - cs("Q"), END_NODE); - } - } -#line 1792 "y.tab.c" /* yacc.c:1646 */ - break; - - case 24: -#line 268 "bc.y" /* yacc.c:1646 */ - { - if (breaksp == 0) { - warning("continue not in for or while"); - YYERROR; - } else { - st_has_continue = true; - (yyval.node) = node(numnode(nesting - - breakstack[breaksp-1] - 1), - cs("J"), END_NODE); - } - } -#line 1808 "y.tab.c" /* yacc.c:1646 */ - break; - - case 25: -#line 280 "bc.y" /* yacc.c:1646 */ - { - sigset_t mask; - - putchar('q'); - fflush(stdout); - if (dc) { - sigprocmask(SIG_BLOCK, NULL, &mask); - sigsuspend(&mask); - } else - exit(0); - } -#line 1824 "y.tab.c" /* yacc.c:1646 */ - break; - - case 26: -#line 292 "bc.y" /* yacc.c:1646 */ - { - if (nesting == 0) { - warning("return must be in a function"); - YYERROR; - } - (yyval.node) = (yyvsp[0].node); - } -#line 1836 "y.tab.c" /* yacc.c:1646 */ - break; - - case 27: -#line 302 "bc.y" /* yacc.c:1646 */ - { - ssize_t n; - - if (st_has_continue) - n = node((yyvsp[-1].node), cs("M"), (yyvsp[-3].node), cs("s."), - (yyvsp[-5].node), (yyvsp[-8].node), END_NODE); - else - n = node((yyvsp[-1].node), (yyvsp[-3].node), cs("s."), (yyvsp[-5].node), (yyvsp[-8].node), - END_NODE); - - emit_macro((yyvsp[-8].node), n); - (yyval.node) = node((yyvsp[-7].node), cs("s."), (yyvsp[-5].node), (yyvsp[-8].node), cs(" "), - END_NODE); - } -#line 1855 "y.tab.c" /* yacc.c:1646 */ - break; - - case 28: -#line 318 "bc.y" /* yacc.c:1646 */ - { - emit_macro((yyvsp[-4].node), (yyvsp[0].node)); - (yyval.node) = node((yyvsp[-2].node), (yyvsp[-4].node), cs(" "), END_NODE); - } -#line 1864 "y.tab.c" /* yacc.c:1646 */ - break; - - case 29: -#line 324 "bc.y" /* yacc.c:1646 */ - { - emit_macro((yyvsp[-8].node), (yyvsp[-4].node)); - emit_macro((yyvsp[-2].node), (yyvsp[0].node)); - (yyval.node) = node((yyvsp[-6].node), (yyvsp[-8].node), cs("e"), (yyvsp[-2].node), cs(" "), - END_NODE); - } -#line 1875 "y.tab.c" /* yacc.c:1646 */ - break; - - case 30: -#line 332 "bc.y" /* yacc.c:1646 */ - { - ssize_t n; - - if (st_has_continue) - n = node((yyvsp[-1].node), cs("M"), (yyvsp[-3].node), (yyvsp[-4].node), END_NODE); - else - n = node((yyvsp[-1].node), (yyvsp[-3].node), (yyvsp[-4].node), END_NODE); - emit_macro((yyvsp[-4].node), n); - (yyval.node) = node((yyvsp[-3].node), (yyvsp[-4].node), cs(" "), END_NODE); - } -#line 1890 "y.tab.c" /* yacc.c:1646 */ - break; - - case 31: -#line 343 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = (yyvsp[-1].node); - } -#line 1898 "y.tab.c" /* yacc.c:1646 */ - break; - - case 32: -#line 347 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = (yyvsp[0].node); - } -#line 1906 "y.tab.c" /* yacc.c:1646 */ - break; - - case 33: -#line 353 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(str_table[macro_char]); - macro_char++; - /* Do not use [, \ and ] */ - if (macro_char == '[') - macro_char += 3; - /* skip letters */ - else if (macro_char == 'a') - macro_char = '{'; - else if (macro_char == ARRAY_CHAR) - macro_char += 26; - else if (macro_char == 255) - fatal("program too big"); - if (breaksp == BREAKSTACK_SZ) - fatal("nesting too deep"); - breakstack[breaksp++] = nesting++; - } -#line 1928 "y.tab.c" /* yacc.c:1646 */ - break; - - case 34: -#line 373 "bc.y" /* yacc.c:1646 */ - { - breaksp--; - } -#line 1936 "y.tab.c" /* yacc.c:1646 */ - break; - - case 35: -#line 381 "bc.y" /* yacc.c:1646 */ - { - int n = node(prologue, (yyvsp[-1].node), epilogue, - cs("0"), numnode(nesting), - cs("Q"), END_NODE); - emit_macro((yyvsp[-8].node), n); - reset_macro_char = macro_char; - nesting = 0; - breaksp = 0; - } -#line 1950 "y.tab.c" /* yacc.c:1646 */ - break; - - case 36: -#line 393 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = function_node((yyvsp[-1].astr)); - free((yyvsp[-1].astr)); - prologue = cs(""); - epilogue = cs(""); - nesting = 1; - breaksp = 0; - breakstack[breaksp] = 0; - } -#line 1964 "y.tab.c" /* yacc.c:1646 */ - break; - - case 41: -#line 415 "bc.y" /* yacc.c:1646 */ - { - add_par(letter_node((yyvsp[0].astr))); - free((yyvsp[0].astr)); - } -#line 1973 "y.tab.c" /* yacc.c:1646 */ - break; - - case 42: -#line 420 "bc.y" /* yacc.c:1646 */ - { - add_par(array_node((yyvsp[-2].astr))); - free((yyvsp[-2].astr)); - } -#line 1982 "y.tab.c" /* yacc.c:1646 */ - break; - - case 43: -#line 425 "bc.y" /* yacc.c:1646 */ - { - add_par(letter_node((yyvsp[0].astr))); - free((yyvsp[0].astr)); - } -#line 1991 "y.tab.c" /* yacc.c:1646 */ - break; - - case 44: -#line 430 "bc.y" /* yacc.c:1646 */ - { - add_par(array_node((yyvsp[-2].astr))); - free((yyvsp[-2].astr)); - } -#line 2000 "y.tab.c" /* yacc.c:1646 */ - break; - - case 48: -#line 446 "bc.y" /* yacc.c:1646 */ - { - add_local(letter_node((yyvsp[0].astr))); - free((yyvsp[0].astr)); - } -#line 2009 "y.tab.c" /* yacc.c:1646 */ - break; - - case 49: -#line 451 "bc.y" /* yacc.c:1646 */ - { - add_local(array_node((yyvsp[-2].astr))); - free((yyvsp[-2].astr)); - } -#line 2018 "y.tab.c" /* yacc.c:1646 */ - break; - - case 50: -#line 456 "bc.y" /* yacc.c:1646 */ - { - add_local(letter_node((yyvsp[0].astr))); - free((yyvsp[0].astr)); - } -#line 2027 "y.tab.c" /* yacc.c:1646 */ - break; - - case 51: -#line 461 "bc.y" /* yacc.c:1646 */ - { - add_local(array_node((yyvsp[-2].astr))); - free((yyvsp[-2].astr)); - } -#line 2036 "y.tab.c" /* yacc.c:1646 */ - break; - - case 52: -#line 470 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(""); - } -#line 2044 "y.tab.c" /* yacc.c:1646 */ - break; - - case 55: -#line 479 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), END_NODE); - } -#line 2052 "y.tab.c" /* yacc.c:1646 */ - break; - - case 56: -#line 483 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-4].node), cs("l"), array_node((yyvsp[-2].astr)), - END_NODE); - free((yyvsp[-2].astr)); - } -#line 2062 "y.tab.c" /* yacc.c:1646 */ - break; - - case 57: -#line 492 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(" 0 0="); - } -#line 2070 "y.tab.c" /* yacc.c:1646 */ - break; - - case 59: -#line 500 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("="), END_NODE); - } -#line 2078 "y.tab.c" /* yacc.c:1646 */ - break; - - case 60: -#line 504 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("!="), END_NODE); - } -#line 2086 "y.tab.c" /* yacc.c:1646 */ - break; - - case 61: -#line 508 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs(">"), END_NODE); - } -#line 2094 "y.tab.c" /* yacc.c:1646 */ - break; - - case 62: -#line 512 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("!<"), END_NODE); - } -#line 2102 "y.tab.c" /* yacc.c:1646 */ - break; - - case 63: -#line 516 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("<"), END_NODE); - } -#line 2110 "y.tab.c" /* yacc.c:1646 */ - break; - - case 64: -#line 520 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("!>"), END_NODE); - } -#line 2118 "y.tab.c" /* yacc.c:1646 */ - break; - - case 65: -#line 524 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), cs(" 0!="), END_NODE); - } -#line 2126 "y.tab.c" /* yacc.c:1646 */ - break; - - case 66: -#line 532 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs("0"), epilogue, - numnode(nesting), cs("Q"), END_NODE); - } -#line 2135 "y.tab.c" /* yacc.c:1646 */ - break; - - case 67: -#line 537 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), epilogue, - numnode(nesting), cs("Q"), END_NODE); - } -#line 2144 "y.tab.c" /* yacc.c:1646 */ - break; - - case 68: -#line 542 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs("0"), epilogue, - numnode(nesting), cs("Q"), END_NODE); - } -#line 2153 "y.tab.c" /* yacc.c:1646 */ - break; - - case 69: -#line 550 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = cs(" 0"); - } -#line 2161 "y.tab.c" /* yacc.c:1646 */ - break; - - case 71: -#line 557 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].lvalue).load, END_NODE); - } -#line 2169 "y.tab.c" /* yacc.c:1646 */ - break; - - case 72: -#line 560 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs("l."), END_NODE); - } -#line 2177 "y.tab.c" /* yacc.c:1646 */ - break; - - case 73: -#line 564 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs(" "), as((yyvsp[0].str)), END_NODE); - } -#line 2185 "y.tab.c" /* yacc.c:1646 */ - break; - - case 74: -#line 568 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = (yyvsp[-1].node); - } -#line 2193 "y.tab.c" /* yacc.c:1646 */ - break; - - case 75: -#line 572 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].node), cs("l"), - function_node((yyvsp[-3].astr)), cs("x"), - END_NODE); - free((yyvsp[-3].astr)); - } -#line 2204 "y.tab.c" /* yacc.c:1646 */ - break; - - case 76: -#line 579 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node(cs(" 0"), (yyvsp[0].node), cs("-"), - END_NODE); - } -#line 2213 "y.tab.c" /* yacc.c:1646 */ - break; - - case 77: -#line 584 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("+"), END_NODE); - } -#line 2221 "y.tab.c" /* yacc.c:1646 */ - break; - - case 78: -#line 588 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("-"), END_NODE); - } -#line 2229 "y.tab.c" /* yacc.c:1646 */ - break; - - case 79: -#line 592 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("*"), END_NODE); - } -#line 2237 "y.tab.c" /* yacc.c:1646 */ - break; - - case 80: -#line 596 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("/"), END_NODE); - } -#line 2245 "y.tab.c" /* yacc.c:1646 */ - break; - - case 81: -#line 600 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("%"), END_NODE); - } -#line 2253 "y.tab.c" /* yacc.c:1646 */ - break; - - case 82: -#line 604 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("^"), END_NODE); - } -#line 2261 "y.tab.c" /* yacc.c:1646 */ - break; - - case 83: -#line 608 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].lvalue).load, cs("1+d"), (yyvsp[0].lvalue).store, - END_NODE); - } -#line 2270 "y.tab.c" /* yacc.c:1646 */ - break; - - case 84: -#line 613 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].lvalue).load, cs("1-d"), - (yyvsp[0].lvalue).store, END_NODE); - } -#line 2279 "y.tab.c" /* yacc.c:1646 */ - break; - - case 85: -#line 618 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].lvalue).load, cs("d1+"), - (yyvsp[-1].lvalue).store, END_NODE); - } -#line 2288 "y.tab.c" /* yacc.c:1646 */ - break; - - case 86: -#line 623 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].lvalue).load, cs("d1-"), - (yyvsp[-1].lvalue).store, END_NODE); - } -#line 2297 "y.tab.c" /* yacc.c:1646 */ - break; - - case 87: -#line 628 "bc.y" /* yacc.c:1646 */ - { - if ((yyvsp[-1].str)[0] == '\0') - (yyval.node) = node((yyvsp[0].node), cs((yyvsp[-1].str)), cs("d"), (yyvsp[-2].lvalue).store, - END_NODE); - else - (yyval.node) = node((yyvsp[-2].lvalue).load, (yyvsp[0].node), cs((yyvsp[-1].str)), cs("d"), - (yyvsp[-2].lvalue).store, END_NODE); - } -#line 2310 "y.tab.c" /* yacc.c:1646 */ - break; - - case 88: -#line 637 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].node), cs("Z"), END_NODE); - } -#line 2318 "y.tab.c" /* yacc.c:1646 */ - break; - - case 89: -#line 641 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].node), cs("v"), END_NODE); - } -#line 2326 "y.tab.c" /* yacc.c:1646 */ - break; - - case 90: -#line 645 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-1].node), cs("X"), END_NODE); - } -#line 2334 "y.tab.c" /* yacc.c:1646 */ - break; - - case 91: -#line 649 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), cs("N"), END_NODE); - } -#line 2342 "y.tab.c" /* yacc.c:1646 */ - break; - - case 92: -#line 653 "bc.y" /* yacc.c:1646 */ - { - ssize_t n = node(cs("R"), (yyvsp[0].node), END_NODE); - emit_macro((yyvsp[-2].node), n); - (yyval.node) = node((yyvsp[-4].node), cs("d0!="), (yyvsp[-2].node), END_NODE); - } -#line 2352 "y.tab.c" /* yacc.c:1646 */ - break; - - case 93: -#line 659 "bc.y" /* yacc.c:1646 */ - { - ssize_t n = node(cs("R"), (yyvsp[0].node), END_NODE); - emit_macro((yyvsp[-2].node), n); - (yyval.node) = node((yyvsp[-4].node), cs("d0="), (yyvsp[-2].node), END_NODE); - } -#line 2362 "y.tab.c" /* yacc.c:1646 */ - break; - - case 94: -#line 665 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("G"), END_NODE); - } -#line 2370 "y.tab.c" /* yacc.c:1646 */ - break; - - case 95: -#line 669 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("GN"), END_NODE); - } -#line 2378 "y.tab.c" /* yacc.c:1646 */ - break; - - case 96: -#line 673 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), (yyvsp[-2].node), cs("("), END_NODE); - } -#line 2386 "y.tab.c" /* yacc.c:1646 */ - break; - - case 97: -#line 677 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), (yyvsp[-2].node), cs("{"), END_NODE); - } -#line 2394 "y.tab.c" /* yacc.c:1646 */ - break; - - case 98: -#line 681 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("("), END_NODE); - } -#line 2402 "y.tab.c" /* yacc.c:1646 */ - break; - - case 99: -#line 685 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), cs("{"), END_NODE); - } -#line 2410 "y.tab.c" /* yacc.c:1646 */ - break; - - case 100: -#line 692 "bc.y" /* yacc.c:1646 */ - { - (yyval.lvalue).load = node(cs("l"), letter_node((yyvsp[0].astr)), - END_NODE); - (yyval.lvalue).store = node(cs("s"), letter_node((yyvsp[0].astr)), - END_NODE); - free((yyvsp[0].astr)); - } -#line 2422 "y.tab.c" /* yacc.c:1646 */ - break; - - case 101: -#line 700 "bc.y" /* yacc.c:1646 */ - { - (yyval.lvalue).load = node((yyvsp[-1].node), cs(";"), - array_node((yyvsp[-3].astr)), END_NODE); - (yyval.lvalue).store = node((yyvsp[-1].node), cs(":"), - array_node((yyvsp[-3].astr)), END_NODE); - free((yyvsp[-3].astr)); - } -#line 2434 "y.tab.c" /* yacc.c:1646 */ - break; - - case 102: -#line 708 "bc.y" /* yacc.c:1646 */ - { - (yyval.lvalue).load = cs("K"); - (yyval.lvalue).store = cs("k"); - } -#line 2443 "y.tab.c" /* yacc.c:1646 */ - break; - - case 103: -#line 713 "bc.y" /* yacc.c:1646 */ - { - (yyval.lvalue).load = cs("I"); - (yyval.lvalue).store = cs("i"); - } -#line 2452 "y.tab.c" /* yacc.c:1646 */ - break; - - case 104: -#line 718 "bc.y" /* yacc.c:1646 */ - { - (yyval.lvalue).load = cs("O"); - (yyval.lvalue).store = cs("o"); - } -#line 2461 "y.tab.c" /* yacc.c:1646 */ - break; - - case 106: -#line 727 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[-2].node), (yyvsp[0].node), END_NODE); - } -#line 2469 "y.tab.c" /* yacc.c:1646 */ - break; - - case 107: -#line 733 "bc.y" /* yacc.c:1646 */ - { - (yyval.node) = node((yyvsp[0].node), cs("ds.n"), END_NODE); - } -#line 2477 "y.tab.c" /* yacc.c:1646 */ - break; - - case 108: -#line 737 "bc.y" /* yacc.c:1646 */ - { - char *p = escape((yyvsp[0].str)); - (yyval.node) = node(cs("["), as(p), cs("]n"), END_NODE); - free(p); - } -#line 2487 "y.tab.c" /* yacc.c:1646 */ - break; - - -#line 2491 "y.tab.c" /* yacc.c:1646 */ - default: break; - } - /* User semantic actions sometimes alter yychar, and that requires - that yytoken be updated with the new translation. We take the - approach of translating immediately before every use of yytoken. - One alternative is translating here after every semantic action, - but that translation would be missed if the semantic action invokes - YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or - if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an - incorrect destructor might then be invoked immediately. In the - case of YYERROR or YYBACKUP, subsequent parser actions might lead - to an incorrect destructor call or verbose syntax error message - before the lookahead is translated. */ - YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); - - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - - *++yyvsp = yyval; - - /* Now 'shift' the result of the reduction. Determine what state - that goes to, based on the state we popped back to and the rule - number reduced by. */ - - yyn = yyr1[yyn]; - - yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; - if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) - yystate = yytable[yystate]; - else - yystate = yydefgoto[yyn - YYNTOKENS]; - - goto yynewstate; - - -/*--------------------------------------. -| yyerrlab -- here on detecting error. | -`--------------------------------------*/ -yyerrlab: - /* Make sure we have latest lookahead translation. See comments at - user semantic actions for why this is necessary. */ - yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); - - /* If not already recovering from an error, report this error. */ - if (!yyerrstatus) - { - ++yynerrs; -#if ! YYERROR_VERBOSE - yyerror (YY_("syntax error")); -#else -# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ - yyssp, yytoken) - { - char const *yymsgp = YY_("syntax error"); - int yysyntax_error_status; - yysyntax_error_status = YYSYNTAX_ERROR; - if (yysyntax_error_status == 0) - yymsgp = yymsg; - else if (yysyntax_error_status == 1) - { - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); - yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); - if (!yymsg) - { - yymsg = yymsgbuf; - yymsg_alloc = sizeof yymsgbuf; - yysyntax_error_status = 2; - } - else - { - yysyntax_error_status = YYSYNTAX_ERROR; - yymsgp = yymsg; - } - } - yyerror (yymsgp); - if (yysyntax_error_status == 2) - goto yyexhaustedlab; - } -# undef YYSYNTAX_ERROR -#endif - } - - - - if (yyerrstatus == 3) - { - /* If just tried and failed to reuse lookahead token after an - error, discard it. */ - - if (yychar <= YYEOF) - { - /* Return failure if at end of input. */ - if (yychar == YYEOF) - YYABORT; - } - else - { - yydestruct ("Error: discarding", - yytoken, &yylval); - yychar = YYEMPTY; - } - } - - /* Else will try to reuse lookahead token after shifting the error - token. */ - goto yyerrlab1; - - -/*---------------------------------------------------. -| yyerrorlab -- error raised explicitly by YYERROR. | -`---------------------------------------------------*/ -yyerrorlab: - - /* Pacify compilers like GCC when the user code never invokes - YYERROR and the label yyerrorlab therefore never appears in user - code. */ - if (/*CONSTCOND*/ 0) - goto yyerrorlab; - - /* Do not reclaim the symbols of the rule whose action triggered - this YYERROR. */ - YYPOPSTACK (yylen); - yylen = 0; - YY_STACK_PRINT (yyss, yyssp); - yystate = *yyssp; - goto yyerrlab1; - - -/*-------------------------------------------------------------. -| yyerrlab1 -- common code for both syntax error and YYERROR. | -`-------------------------------------------------------------*/ -yyerrlab1: - yyerrstatus = 3; /* Each real token shifted decrements this. */ - - for (;;) - { - yyn = yypact[yystate]; - if (!yypact_value_is_default (yyn)) - { - yyn += YYTERROR; - if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) - { - yyn = yytable[yyn]; - if (0 < yyn) - break; - } - } - - /* Pop the current state because it cannot handle the error token. */ - if (yyssp == yyss) - YYABORT; - - - yydestruct ("Error: popping", - yystos[yystate], yyvsp); - YYPOPSTACK (1); - yystate = *yyssp; - YY_STACK_PRINT (yyss, yyssp); - } - - YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN - *++yyvsp = yylval; - YY_IGNORE_MAYBE_UNINITIALIZED_END - - - /* Shift the error token. */ - YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); - - yystate = yyn; - goto yynewstate; - - -/*-------------------------------------. -| yyacceptlab -- YYACCEPT comes here. | -`-------------------------------------*/ -yyacceptlab: - yyresult = 0; - goto yyreturn; - -/*-----------------------------------. -| yyabortlab -- YYABORT comes here. | -`-----------------------------------*/ -yyabortlab: - yyresult = 1; - goto yyreturn; - -#if !defined yyoverflow || YYERROR_VERBOSE -/*-------------------------------------------------. -| yyexhaustedlab -- memory exhaustion comes here. | -`-------------------------------------------------*/ -yyexhaustedlab: - yyerror (YY_("memory exhausted")); - yyresult = 2; - /* Fall through. */ -#endif - -yyreturn: - if (yychar != YYEMPTY) - { - /* Make sure we have latest lookahead translation. See comments at - user semantic actions for why this is necessary. */ - yytoken = YYTRANSLATE (yychar); - yydestruct ("Cleanup: discarding lookahead", - yytoken, &yylval); - } - /* Do not reclaim the symbols of the rule whose action triggered - this YYABORT or YYACCEPT. */ - YYPOPSTACK (yylen); - YY_STACK_PRINT (yyss, yyssp); - while (yyssp != yyss) - { - yydestruct ("Cleanup: popping", - yystos[*yyssp], yyvsp); - YYPOPSTACK (1); - } -#ifndef yyoverflow - if (yyss != yyssa) - YYSTACK_FREE (yyss); -#endif -#if YYERROR_VERBOSE - if (yymsg != yymsgbuf) - YYSTACK_FREE (yymsg); -#endif - return yyresult; -} -#line 742 "bc.y" /* yacc.c:1906 */ - - - -static void -grow(void) -{ - struct tree *p; - size_t newsize; - - if (current == instr_sz) { - newsize = instr_sz * 2 + 1; - p = reallocarray(instructions, newsize, sizeof(*p)); - if (p == NULL) { - free(instructions); - err(1, NULL); - } - instructions = p; - instr_sz = newsize; - } -} - -static ssize_t -cs(const char *str) -{ - grow(); - instructions[current].index = CONST_STRING; - instructions[current].u.cstr = str; - return current++; -} - -static ssize_t -as(const char *str) -{ - grow(); - instructions[current].index = ALLOC_STRING; - instructions[current].u.astr = strdup(str); - if (instructions[current].u.astr == NULL) - err(1, NULL); - return current++; -} - -static ssize_t -node(ssize_t arg, ...) -{ - va_list ap; - ssize_t ret; - - va_start(ap, arg); - - ret = current; - grow(); - instructions[current++].index = arg; - - do { - arg = va_arg(ap, ssize_t); - grow(); - instructions[current++].index = arg; - } while (arg != END_NODE); - - va_end(ap); - return ret; -} - -static void -emit(ssize_t i, int level) -{ - if (level > 1000) - errx(1, "internal error: tree level > 1000"); - if (instructions[i].index >= 0) { - while (instructions[i].index != END_NODE && - instructions[i].index != i) { - emit(instructions[i].index, level + 1); - i++; - } - } else if (instructions[i].index != END_NODE) - fputs(instructions[i].u.cstr, stdout); -} - -static void -emit_macro(int node, ssize_t code) -{ - putchar('['); - emit(code, 0); - printf("]s%s\n", instructions[node].u.cstr); - nesting--; -} - -static void -free_tree(void) -{ - ssize_t i; - - for (i = 0; i < current; i++) - if (instructions[i].index == ALLOC_STRING) - free(instructions[i].u.astr); - current = 0; -} - -static ssize_t -numnode(int num) -{ - const char *p; - - if (num < 10) - p = str_table['0' + num]; - else if (num < 16) - p = str_table['A' - 10 + num]; - else - errx(1, "internal error: break num > 15"); - return node(cs(" "), cs(p), END_NODE); -} - - -static ssize_t -lookup(char * str, size_t len, char type) -{ - ENTRY entry, *found; - u_short num; - u_char *p; - - /* The scanner allocated an extra byte already */ - if (str[len-1] != type) { - str[len] = type; - str[len+1] = '\0'; - } - entry.key = str; - found = hsearch(entry, FIND); - if (found == NULL) { - if (var_count == MAX_VARIABLES) - errx(1, "too many variables"); - p = malloc(4); - if (p == NULL) - err(1, NULL); - num = var_count++; - p[0] = 255; - p[1] = ENCODE(num / VAR_BASE + 1); - p[2] = ENCODE(num % VAR_BASE + 1); - p[3] = '\0'; - - entry.data = (char *)p; - entry.key = strdup(str); - if (entry.key == NULL) - err(1, NULL); - found = hsearch(entry, ENTER); - if (found == NULL) - err(1, NULL); - } - return cs(found->data); -} - -static ssize_t -letter_node(char *str) -{ - size_t len; - - len = strlen(str); - if (len == 1 && str[0] != '_') - return cs(str_table[(int)str[0]]); - else - return lookup(str, len, 'L'); -} - -static ssize_t -array_node(char *str) -{ - size_t len; - - len = strlen(str); - if (len == 1 && str[0] != '_') - return cs(str_table[(int)str[0] - 'a' + ARRAY_CHAR]); - else - return lookup(str, len, 'A'); -} - -static ssize_t -function_node(char *str) -{ - size_t len; - - len = strlen(str); - if (len == 1 && str[0] != '_') - return cs(str_table[(int)str[0] - 'a' + FUNC_CHAR]); - else - return lookup(str, len, 'F'); -} - -static void -add_par(ssize_t n) -{ - prologue = node(cs("S"), n, prologue, END_NODE); - epilogue = node(epilogue, cs("L"), n, cs("s."), END_NODE); -} - -static void -add_local(ssize_t n) -{ - prologue = node(cs("0S"), n, prologue, END_NODE); - epilogue = node(epilogue, cs("L"), n, cs("s."), END_NODE); -} - -void -yyerror(char *s) -{ - char *str, *p; - int n; - - if (yyin != NULL && feof(yyin)) - n = asprintf(&str, "%s: %s:%d: %s: unexpected EOF", - __progname, filename, lineno, s); - else if (yytext[0] == '\n') - n = asprintf(&str, - "%s: %s:%d: %s: newline unexpected", - __progname, filename, lineno, s); - else if (isspace((unsigned char)yytext[0]) || - !isprint((unsigned char)yytext[0])) - n = asprintf(&str, - "%s: %s:%d: %s: ascii char 0x%02x unexpected", - __progname, filename, lineno, s, yytext[0] & 0xff); - else - n = asprintf(&str, "%s: %s:%d: %s: %s unexpected", - __progname, filename, lineno, s, yytext); - if (n == -1) - err(1, NULL); - - fputs("c[", stdout); - for (p = str; *p != '\0'; p++) { - if (*p == '[' || *p == ']' || *p =='\\') - putchar('\\'); - putchar(*p); - } - fputs("]pc\n", stdout); - free(str); -} - -void -fatal(const char *s) -{ - errx(1, "%s:%d: %s", filename, lineno, s); -} - -static void -warning(const char *s) -{ - warnx("%s:%d: %s", filename, lineno, s); -} - -static void -init(void) -{ - int i; - - for (i = 0; i < UCHAR_MAX; i++) { - str_table[i][0] = i; - str_table[i][1] = '\0'; - } - if (hcreate(1 << 16) == 0) - err(1, NULL); -} - - -static __dead void -usage(void) -{ - fprintf(stderr, "usage: %s [-cl] [-e expression] [file ...]\n", - __progname); - exit(1); -} - -static char * -escape(const char *str) -{ - char *ret, *p; - - ret = malloc(strlen(str) + 1); - if (ret == NULL) - err(1, NULL); - - p = ret; - while (*str != '\0') { - /* - * We get _escaped_ strings here. Single backslashes are - * already converted to double backslashes - */ - if (*str == '\\') { - if (*++str == '\\') { - switch (*++str) { - case 'a': - *p++ = '\a'; - break; - case 'b': - *p++ = '\b'; - break; - case 'f': - *p++ = '\f'; - break; - case 'n': - *p++ = '\n'; - break; - case 'q': - *p++ = '"'; - break; - case 'r': - *p++ = '\r'; - break; - case 't': - *p++ = '\t'; - break; - case '\\': - *p++ = '\\'; - break; - } - str++; - } else { - *p++ = '\\'; - *p++ = *str++; - } - } else - *p++ = *str++; - } - *p = '\0'; - return ret; -} - -/* ARGSUSED */ -static void -sigchld(int signo) -{ - pid_t pid; - int status, save_errno = errno; - - for (;;) { - pid = waitpid(dc, &status, WCONTINUED | WNOHANG); - if (pid == -1) { - if (errno == EINTR) - continue; - _exit(0); - } else if (pid == 0) - break; - if (WIFEXITED(status) || WIFSIGNALED(status)) - _exit(0); - else - break; - } - errno = save_errno; -} - -static const char * -dummy_prompt(void) -{ - - return (""); -} - -int -main(int argc, char *argv[]) -{ - int i, ch; - int p[2]; - char *q; - - if (pledge("stdio rpath proc tty", NULL) == -1) - err(1, "pledge"); - - init(); - setvbuf(stdout, NULL, _IOLBF, 0); - - sargv = reallocarray(NULL, argc, sizeof(char *)); - if (sargv == NULL) - err(1, NULL); - - if ((cmdexpr = strdup("")) == NULL) - err(1, NULL); - /* The d debug option is 4.4 BSD bc(1) compatible */ - while ((ch = getopt(argc, argv, "cde:l")) != -1) { - switch (ch) { - case 'c': - case 'd': - do_fork = false; - break; - case 'e': - q = cmdexpr; - if (asprintf(&cmdexpr, "%s%s\n", cmdexpr, optarg) == -1) - err(1, NULL); - free(q); - break; - case 'l': - sargv[sargc++] = _PATH_LIBB; - break; - default: - usage(); - } - } - - argc -= optind; - argv += optind; - - interactive = isatty(STDIN_FILENO); - for (i = 0; i < argc; i++) - sargv[sargc++] = argv[i]; - - if (do_fork) { - if (pipe(p) == -1) - err(1, "cannot create pipe"); - dc = fork(); - if (dc == -1) - err(1, "cannot fork"); - else if (dc != 0) { - signal(SIGCHLD, sigchld); - close(STDOUT_FILENO); - dup(p[1]); - close(p[0]); - close(p[1]); - } else { - char *dc_argv[] = { "dc", "-x", NULL }; - extern int dc_main(int, char **); - - if (pledge("stdio", NULL) == -1) - err(1, "pledge"); - - close(STDIN_FILENO); - dup(p[0]); - close(p[0]); - close(p[1]); - - exit (dc_main(2, dc_argv)); - } - } - if (interactive) { - gettty(&ttysaved); - el = el_init("bc", stdin, stderr, stderr); - hist = history_init(); - history(hist, &he, H_SETSIZE, 100); - el_set(el, EL_HIST, history, hist); - el_set(el, EL_EDITOR, "emacs"); - el_set(el, EL_SIGNAL, 0); - el_set(el, EL_PROMPT, dummy_prompt); - el_set(el, EL_ADDFN, "bc_eof", "", bc_eof); - el_set(el, EL_BIND, "^D", "bc_eof", NULL); - el_source(el, NULL); - } - - if (pledge("stdio rpath tty", NULL) == -1) - err(1, "pledge"); - - yywrap(); - return yyparse(); -} diff --git a/usr.bin/bc/y.tab.h b/usr.bin/bc/y.tab.h @@ -1,173 +0,0 @@ -/* A Bison parser, made by GNU Bison 3.0.4. */ - -/* Bison interface for Yacc-like parsers in C - - Copyright (C) 1984, 1989-1990, 2000-2015 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ - -/* As a special exception, you may create a larger work that contains - part or all of the Bison parser skeleton and distribute that work - under terms of your choice, so long as that work isn't itself a - parser generator using the skeleton or a modified version thereof - as a parser skeleton. Alternatively, if you modify or redistribute - the parser skeleton itself, you may (at your option) remove this - special exception, which will cause the skeleton and the resulting - Bison output files to be licensed under the GNU General Public - License without this special exception. - - This special exception was added by the Free Software Foundation in - version 2.2 of Bison. */ - -#ifndef YY_YY_Y_TAB_H_INCLUDED -# define YY_YY_Y_TAB_H_INCLUDED -/* Debug traces. */ -#ifndef YYDEBUG -# define YYDEBUG 0 -#endif -#if YYDEBUG -extern int yydebug; -#endif - -/* Token type. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - enum yytokentype - { - COMMA = 258, - SEMICOLON = 259, - LPAR = 260, - RPAR = 261, - LBRACE = 262, - RBRACE = 263, - LBRACKET = 264, - RBRACKET = 265, - DOT = 266, - NEWLINE = 267, - LETTER = 268, - NUMBER = 269, - STRING = 270, - DEFINE = 271, - BREAK = 272, - QUIT = 273, - LENGTH = 274, - RETURN = 275, - FOR = 276, - IF = 277, - WHILE = 278, - SQRT = 279, - SCALE = 280, - IBASE = 281, - OBASE = 282, - AUTO = 283, - CONTINUE = 284, - ELSE = 285, - PRINT = 286, - BOOL_OR = 287, - BOOL_AND = 288, - BOOL_NOT = 289, - EQUALS = 290, - LESS_EQ = 291, - GREATER_EQ = 292, - UNEQUALS = 293, - LESS = 294, - GREATER = 295, - ASSIGN_OP = 296, - PLUS = 297, - MINUS = 298, - MULTIPLY = 299, - DIVIDE = 300, - REMAINDER = 301, - EXPONENT = 302, - UMINUS = 303, - INCR = 304, - DECR = 305 - }; -#endif -/* Tokens. */ -#define COMMA 258 -#define SEMICOLON 259 -#define LPAR 260 -#define RPAR 261 -#define LBRACE 262 -#define RBRACE 263 -#define LBRACKET 264 -#define RBRACKET 265 -#define DOT 266 -#define NEWLINE 267 -#define LETTER 268 -#define NUMBER 269 -#define STRING 270 -#define DEFINE 271 -#define BREAK 272 -#define QUIT 273 -#define LENGTH 274 -#define RETURN 275 -#define FOR 276 -#define IF 277 -#define WHILE 278 -#define SQRT 279 -#define SCALE 280 -#define IBASE 281 -#define OBASE 282 -#define AUTO 283 -#define CONTINUE 284 -#define ELSE 285 -#define PRINT 286 -#define BOOL_OR 287 -#define BOOL_AND 288 -#define BOOL_NOT 289 -#define EQUALS 290 -#define LESS_EQ 291 -#define GREATER_EQ 292 -#define UNEQUALS 293 -#define LESS 294 -#define GREATER 295 -#define ASSIGN_OP 296 -#define PLUS 297 -#define MINUS 298 -#define MULTIPLY 299 -#define DIVIDE 300 -#define REMAINDER 301 -#define EXPONENT 302 -#define UMINUS 303 -#define INCR 304 -#define DECR 305 - -/* Value type. */ -#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED - -union YYSTYPE -{ -#line 124 "bc.y" /* yacc.c:1909 */ - - ssize_t node; - struct lvalue lvalue; - const char *str; - char *astr; - -#line 161 "y.tab.h" /* yacc.c:1909 */ -}; - -typedef union YYSTYPE YYSTYPE; -# define YYSTYPE_IS_TRIVIAL 1 -# define YYSTYPE_IS_DECLARED 1 -#endif - - -extern YYSTYPE yylval; - -int yyparse (void); - -#endif /* !YY_YY_Y_TAB_H_INCLUDED */