From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/demos/calc/Makefile | 677 +++++++++++ gmp-6.3.0/demos/calc/Makefile.am | 47 + gmp-6.3.0/demos/calc/Makefile.in | 677 +++++++++++ gmp-6.3.0/demos/calc/README | 65 ++ gmp-6.3.0/demos/calc/calc-common.h | 35 + gmp-6.3.0/demos/calc/calc-config-h.in | 21 + gmp-6.3.0/demos/calc/calc-config.h | 21 + gmp-6.3.0/demos/calc/calc.c | 2012 +++++++++++++++++++++++++++++++++ gmp-6.3.0/demos/calc/calc.h | 146 +++ gmp-6.3.0/demos/calc/calc.y | 318 ++++++ gmp-6.3.0/demos/calc/calclex.c | 1933 +++++++++++++++++++++++++++++++ gmp-6.3.0/demos/calc/calclex.l | 113 ++ gmp-6.3.0/demos/calc/calcread.c | 146 +++ 13 files changed, 6211 insertions(+) create mode 100644 gmp-6.3.0/demos/calc/Makefile create mode 100644 gmp-6.3.0/demos/calc/Makefile.am create mode 100644 gmp-6.3.0/demos/calc/Makefile.in create mode 100644 gmp-6.3.0/demos/calc/README create mode 100644 gmp-6.3.0/demos/calc/calc-common.h create mode 100644 gmp-6.3.0/demos/calc/calc-config-h.in create mode 100644 gmp-6.3.0/demos/calc/calc-config.h create mode 100644 gmp-6.3.0/demos/calc/calc.c create mode 100644 gmp-6.3.0/demos/calc/calc.h create mode 100644 gmp-6.3.0/demos/calc/calc.y create mode 100644 gmp-6.3.0/demos/calc/calclex.c create mode 100644 gmp-6.3.0/demos/calc/calclex.l create mode 100644 gmp-6.3.0/demos/calc/calcread.c (limited to 'gmp-6.3.0/demos/calc') diff --git a/gmp-6.3.0/demos/calc/Makefile b/gmp-6.3.0/demos/calc/Makefile new file mode 100644 index 0000000..3ccc880 --- /dev/null +++ b/gmp-6.3.0/demos/calc/Makefile @@ -0,0 +1,677 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# demos/calc/Makefile. 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mpn/hgcd2$U.lo mpn/hgcd_step$U.lo mpn/hgcd_reduce$U.lo mpn/hgcd$U.lo mpn/hgcd_appr$U.lo mpn/hgcd2_jacobi$U.lo mpn/hgcd_jacobi$U.lo mpn/mullo_n$U.lo mpn/mullo_basecase$U.lo mpn/sqrlo$U.lo mpn/sqrlo_basecase$U.lo mpn/toom22_mul$U.lo mpn/toom32_mul$U.lo mpn/toom42_mul$U.lo mpn/toom52_mul$U.lo mpn/toom62_mul$U.lo mpn/toom33_mul$U.lo mpn/toom43_mul$U.lo mpn/toom53_mul$U.lo mpn/toom54_mul$U.lo mpn/toom63_mul$U.lo mpn/toom44_mul$U.lo mpn/toom6h_mul$U.lo mpn/toom6_sqr$U.lo mpn/toom8h_mul$U.lo mpn/toom8_sqr$U.lo mpn/toom_couple_handling$U.lo mpn/toom2_sqr$U.lo mpn/toom3_sqr$U.lo mpn/toom4_sqr$U.lo mpn/toom_eval_dgr3_pm1$U.lo mpn/toom_eval_dgr3_pm2$U.lo mpn/toom_eval_pm1$U.lo mpn/toom_eval_pm2$U.lo mpn/toom_eval_pm2exp$U.lo mpn/toom_eval_pm2rexp$U.lo mpn/toom_interpolate_5pts$U.lo mpn/toom_interpolate_6pts$U.lo mpn/toom_interpolate_7pts$U.lo mpn/toom_interpolate_8pts$U.lo mpn/toom_interpolate_12pts$U.lo mpn/toom_interpolate_16pts$U.lo mpn/invertappr$U.lo mpn/invert$U.lo mpn/binvert$U.lo mpn/mulmod_bnm1$U.lo mpn/sqrmod_bnm1$U.lo mpn/mulmod_bknp1$U.lo mpn/div_qr_1$U.lo mpn/div_qr_1n_pi1$U.lo mpn/div_qr_2$U.lo mpn/div_qr_2n_pi1$U.lo mpn/div_qr_2u_pi1$U.lo mpn/sbpi1_div_q$U.lo mpn/sbpi1_div_qr$U.lo mpn/sbpi1_divappr_q$U.lo mpn/dcpi1_div_q$U.lo mpn/dcpi1_div_qr$U.lo mpn/dcpi1_divappr_q$U.lo mpn/mu_div_qr$U.lo mpn/mu_divappr_q$U.lo mpn/mu_div_q$U.lo mpn/bdiv_q_1.lo mpn/sbpi1_bdiv_q$U.lo mpn/sbpi1_bdiv_qr$U.lo mpn/sbpi1_bdiv_r$U.lo mpn/dcpi1_bdiv_q$U.lo mpn/dcpi1_bdiv_qr$U.lo mpn/mu_bdiv_q$U.lo mpn/mu_bdiv_qr$U.lo mpn/bdiv_q$U.lo mpn/bdiv_qr$U.lo mpn/broot$U.lo mpn/brootinv$U.lo mpn/bsqrt$U.lo mpn/bsqrtinv$U.lo mpn/divexact$U.lo mpn/bdiv_dbm1c.lo mpn/redc_1$U.lo mpn/redc_2$U.lo mpn/redc_n$U.lo mpn/powm$U.lo mpn/powlo$U.lo mpn/sec_powm$U.lo mpn/sec_mul$U.lo mpn/sec_sqr$U.lo mpn/sec_div_qr$U.lo mpn/sec_div_r$U.lo mpn/sec_pi1_div_qr$U.lo mpn/sec_pi1_div_r$U.lo mpn/sec_add_1$U.lo mpn/sec_sub_1$U.lo mpn/sec_invert$U.lo mpn/trialdiv$U.lo mpn/remove$U.lo mpn/and_n$U.lo 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variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/gmp-6.3.0/demos/calc/Makefile.am b/gmp-6.3.0/demos/calc/Makefile.am new file mode 100644 index 0000000..1cb5335 --- /dev/null +++ b/gmp-6.3.0/demos/calc/Makefile.am @@ -0,0 +1,47 @@ +## Process this file with automake to generate Makefile.in + +# Copyright 2000-2004 Free Software Foundation, Inc. +# +# This file is part of the GNU MP Library. +# +# The GNU MP Library is free software; you can redistribute it and/or modify +# it under the terms of either: +# +# * the GNU Lesser General Public License as published by the Free +# Software Foundation; either version 3 of the License, or (at your +# option) any later version. +# +# or +# +# * the GNU General Public License as published by the Free Software +# Foundation; either version 2 of the License, or (at your option) any +# later version. +# +# or both in parallel, as here. +# +# The GNU MP Library is distributed in the hope that it 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+install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: all check install install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libtool cscopelist-am ctags ctags-am distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +allprogs: $(EXTRA_PROGRAMS) + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/gmp-6.3.0/demos/calc/README b/gmp-6.3.0/demos/calc/README new file mode 100644 index 0000000..660394e --- /dev/null +++ b/gmp-6.3.0/demos/calc/README @@ -0,0 +1,65 @@ +Copyright 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. + + + + + DEMONSTRATION CALCULATOR PROGRAM + + +This is a simple program, meant only to show one way to use GMP with yacc +and lex to make a calculator. Usage and comments on the implementation can +be found in calc.y. + +Within a GMP build tree, the generated Makefile can be used to build the +program, + + make calc + +(or on a DOS system, "make calc.exe"). + +Elsewhere, once GMP has been installed, the program can be compiled with for +instance + + gcc calc.c calclex.c -lgmp -o calc + +Or if GNU readline is used then + + gcc calc.c calclex.c calcread.c -lgmp -lreadline -o calc + +(again, on a DOS system "-o calc.exe"). + +Readline support can be enabled or disabled in calc-config.h. That file is +created by the GMP ./configure based on the --with-readline option. The +default is --with-readline=detect, which means to use readline if available. +"yes" can be used to force it to be used, or "no" to not use it. + +The supplied calc.c was generated by GNU bison, but a standard yacc should +work too. + +The supplied calclex.c was generated by GNU flex, but a standard lex should +work too. The readline support may or may not work with a standard lex (see +comments with input() in calcread.c). Note also that a standard lex will +require its library "-ll" on the compile command line. "./configure" sets +this up in the GMP build tree Makefile. + + + +---------------- +Local variables: +mode: text +fill-column: 76 +End: diff --git a/gmp-6.3.0/demos/calc/calc-common.h b/gmp-6.3.0/demos/calc/calc-common.h new file mode 100644 index 0000000..7a91878 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc-common.h @@ -0,0 +1,35 @@ +/* Prototypes etc for calc program. + +Copyright 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + +#include /* for size_t */ +#ifndef NO_CALC_H +#include "calc.h" +#endif +#include "calc-config.h" + +struct calc_keywords_t { + char *name; + int value; +}; + +extern int calc_option_readline; +extern int calc_more_input; +extern const struct calc_keywords_t calc_keywords[]; + +int calc_input (char *buf, size_t max_size); +void calc_init_readline (void); diff --git a/gmp-6.3.0/demos/calc/calc-config-h.in b/gmp-6.3.0/demos/calc/calc-config-h.in new file mode 100644 index 0000000..42cdd44 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc-config-h.in @@ -0,0 +1,21 @@ +/* Templates for calc program configuration. -*- mode:c -*- + +Copyright 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + + +/* Define if GNU readline should be used. */ +#define WITH_READLINE @WITH_READLINE_01@ diff --git a/gmp-6.3.0/demos/calc/calc-config.h b/gmp-6.3.0/demos/calc/calc-config.h new file mode 100644 index 0000000..4b7e6e1 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc-config.h @@ -0,0 +1,21 @@ +/* Templates for calc program configuration. -*- mode:c -*- + +Copyright 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + + +/* Define if GNU readline should be used. */ +#define WITH_READLINE 1 diff --git a/gmp-6.3.0/demos/calc/calc.c b/gmp-6.3.0/demos/calc/calc.c new file mode 100644 index 0000000..908c31b --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc.c @@ -0,0 +1,2012 @@ +/* A Bison parser, made by GNU Bison 3.8.2. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 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 . */ + +/* 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. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +/* 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, and Bison version. */ +#define YYBISON 30802 + +/* Bison version string. */ +#define YYBISON_VERSION "3.8.2" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + + + +/* First part of user prologue. */ +#line 1 "../../../gmp/demos/calc/calc.y" + +/* A simple integer desk calculator using yacc and gmp. + +Copyright 2000-2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + + +/* This is a simple program, meant only to show one way to use GMP for this + sort of thing. There's few features, and error checking is minimal. + Standard input is read, calc_help() below shows the inputs accepted. + + Expressions are evaluated as they're read. If user defined functions + were wanted it'd be necessary to build a parse tree like pexpr.c does, or + a list of operations for a stack based evaluator. That would also make + it possible to detect and optimize evaluations "mod m" like pexpr.c does. + + A stack is used for intermediate values in the expression evaluation, + separate from the yacc parser stack. This is simple, makes error + recovery easy, minimizes the junk around mpz calls in the rules, and + saves initializing or clearing "mpz_t"s during a calculation. A + disadvantage though is that variables must be copied to the stack to be + worked on. A more sophisticated calculator or language system might be + able to avoid that when executing a compiled or semi-compiled form. + + Avoiding repeated initializing and clearing of "mpz_t"s is important. In + this program the time spent parsing is obviously much greater than any + possible saving from this, but a proper calculator or language should + take some trouble over it. Don't be surprised if an init/clear takes 3 + or more times as long as a 10 limb addition, depending on the system (see + the mpz_init_realloc_clear example in tune/README). */ + + +#include +#include +#include +#include "gmp.h" +#define NO_CALC_H /* because it conflicts with normal calc.c stuff */ +#include "calc-common.h" + + +#define numberof(x) (sizeof (x) / sizeof ((x)[0])) + + +void +calc_help (void) +{ + printf ("Examples:\n"); + printf (" 2+3*4 expressions are evaluated\n"); + printf (" x=5^6 variables a to z can be set and used\n"); + printf ("Operators:\n"); + printf (" + - * arithmetic\n"); + printf (" / %% division and remainder (rounding towards negative infinity)\n"); + printf (" ^ exponentiation\n"); + printf (" ! factorial\n"); + printf (" << >> left and right shifts\n"); + printf (" <= >= > \\ comparisons, giving 1 if true, 0 if false\n"); + printf (" == != < /\n"); + printf (" && || logical and/or, giving 1 if true, 0 if false\n"); + printf ("Functions:\n"); + printf (" abs(n) absolute value\n"); + printf (" bin(n,m) binomial coefficient\n"); + printf (" fib(n) fibonacci number\n"); + printf (" gcd(a,b,..) greatest common divisor\n"); + printf (" kron(a,b) kronecker symbol\n"); + printf (" lcm(a,b,..) least common multiple\n"); + printf (" lucnum(n) lucas number\n"); + printf (" nextprime(n) next prime after n\n"); + printf (" powm(b,e,m) modulo powering, b^e%%m\n"); + printf (" root(n,r) r-th root\n"); + printf (" sqrt(n) square root\n"); + printf ("Other:\n"); + printf (" hex \\ set hex or decimal for input and output\n"); + printf (" decimal / (\"0x\" can be used for hex too)\n"); + printf (" quit exit program (EOF works too)\n"); + printf (" ; statements are separated with a ; or newline\n"); + printf (" \\ continue expressions with \\ before newline\n"); + printf (" # xxx comments are # though to newline\n"); + printf ("Hex numbers must be entered in upper case, to distinguish them from the\n"); + printf ("variables a to f (like in bc).\n"); +} + + +int ibase = 0; +int obase = 10; + + +/* The stack is a fixed size, which means there's a limit on the nesting + allowed in expressions. A more sophisticated program could let it grow + dynamically. */ + +mpz_t stack[100]; +mpz_ptr sp = stack[0]; + +#define CHECK_OVERFLOW() \ + if (sp >= stack[numberof(stack)]) /* FIXME */ \ + { \ + fprintf (stderr, \ + "Value stack overflow, too much nesting in expression\n"); \ + YYERROR; \ + } + +#define CHECK_EMPTY() \ + if (sp != stack[0]) \ + { \ + fprintf (stderr, "Oops, expected the value stack to be empty\n"); \ + sp = stack[0]; \ + } + + +mpz_t variable[26]; + +#define CHECK_VARIABLE(var) \ + if ((var) < 0 || (var) >= numberof (variable)) \ + { \ + fprintf (stderr, "Oops, bad variable somehow: %d\n", var); \ + YYERROR; \ + } + + +#define CHECK_UI(name,z) \ + if (! mpz_fits_ulong_p (z)) \ + { \ + fprintf (stderr, "%s too big\n", name); \ + YYERROR; \ + } + + +#line 212 "calc.c" + +# ifndef YY_CAST +# ifdef __cplusplus +# define YY_CAST(Type, Val) static_cast (Val) +# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast (Val) +# else +# define YY_CAST(Type, Val) ((Type) (Val)) +# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val)) +# endif +# endif +# ifndef YY_NULLPTR +# if defined __cplusplus +# if 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# else +# define YY_NULLPTR ((void*)0) +# endif +# endif + +/* Use api.header.include to #include this header + instead of duplicating it here. */ +#ifndef YY_YY_CALC_H_INCLUDED +# define YY_YY_CALC_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + EOS = 258, /* EOS */ + BAD = 259, /* BAD */ + HELP = 260, /* HELP */ + HEX = 261, /* HEX */ + DECIMAL = 262, /* DECIMAL */ + QUIT = 263, /* QUIT */ + ABS = 264, /* ABS */ + BIN = 265, /* BIN */ + FIB = 266, /* FIB */ + GCD = 267, /* GCD */ + KRON = 268, /* KRON */ + LCM = 269, /* LCM */ + LUCNUM = 270, /* LUCNUM */ + NEXTPRIME = 271, /* NEXTPRIME */ + POWM = 272, /* POWM */ + ROOT = 273, /* ROOT */ + SQRT = 274, /* SQRT */ + NUMBER = 275, /* NUMBER */ + VARIABLE = 276, /* VARIABLE */ + LOR = 277, /* LOR */ + LAND = 278, /* LAND */ + EQ = 279, /* EQ */ + NE = 280, /* NE */ + LE = 281, /* LE */ + GE = 282, /* GE */ + LSHIFT = 283, /* LSHIFT */ + RSHIFT = 284, /* RSHIFT */ + UMINUS = 285 /* UMINUS */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define EOS 258 +#define BAD 259 +#define HELP 260 +#define HEX 261 +#define DECIMAL 262 +#define QUIT 263 +#define ABS 264 +#define BIN 265 +#define FIB 266 +#define GCD 267 +#define KRON 268 +#define LCM 269 +#define LUCNUM 270 +#define NEXTPRIME 271 +#define POWM 272 +#define ROOT 273 +#define SQRT 274 +#define NUMBER 275 +#define VARIABLE 276 +#define LOR 277 +#define LAND 278 +#define EQ 279 +#define NE 280 +#define LE 281 +#define GE 282 +#define LSHIFT 283 +#define RSHIFT 284 +#define UMINUS 285 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 142 "../../../gmp/demos/calc/calc.y" + + char *str; + int var; + +#line 330 "calc.c" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + + +int yyparse (void); + + +#endif /* !YY_YY_CALC_H_INCLUDED */ +/* Symbol kind. */ +enum yysymbol_kind_t +{ + YYSYMBOL_YYEMPTY = -2, + YYSYMBOL_YYEOF = 0, /* "end of file" */ + YYSYMBOL_YYerror = 1, /* error */ + YYSYMBOL_YYUNDEF = 2, /* "invalid token" */ + YYSYMBOL_EOS = 3, /* EOS */ + YYSYMBOL_BAD = 4, /* BAD */ + YYSYMBOL_HELP = 5, /* HELP */ + YYSYMBOL_HEX = 6, /* HEX */ + YYSYMBOL_DECIMAL = 7, /* DECIMAL */ + YYSYMBOL_QUIT = 8, /* QUIT */ + YYSYMBOL_ABS = 9, /* ABS */ + YYSYMBOL_BIN = 10, /* BIN */ + YYSYMBOL_FIB = 11, /* FIB */ + YYSYMBOL_GCD = 12, /* GCD */ + YYSYMBOL_KRON = 13, /* KRON */ + YYSYMBOL_LCM = 14, /* LCM */ + YYSYMBOL_LUCNUM = 15, /* LUCNUM */ + YYSYMBOL_NEXTPRIME = 16, /* NEXTPRIME */ + YYSYMBOL_POWM = 17, /* POWM */ + YYSYMBOL_ROOT = 18, /* ROOT */ + YYSYMBOL_SQRT = 19, /* SQRT */ + YYSYMBOL_NUMBER = 20, /* NUMBER */ + YYSYMBOL_VARIABLE = 21, /* VARIABLE */ + YYSYMBOL_LOR = 22, /* LOR */ + YYSYMBOL_LAND = 23, /* LAND */ + YYSYMBOL_24_ = 24, /* '<' */ + YYSYMBOL_25_ = 25, /* '>' */ + YYSYMBOL_EQ = 26, /* EQ */ + YYSYMBOL_NE = 27, /* NE */ + YYSYMBOL_LE = 28, /* LE */ + YYSYMBOL_GE = 29, /* GE */ + YYSYMBOL_LSHIFT = 30, /* LSHIFT */ + YYSYMBOL_RSHIFT = 31, /* RSHIFT */ + YYSYMBOL_32_ = 32, /* '+' */ + YYSYMBOL_33_ = 33, /* '-' */ + YYSYMBOL_34_ = 34, /* '*' */ + YYSYMBOL_35_ = 35, /* '/' */ + YYSYMBOL_36_ = 36, /* '%' */ + YYSYMBOL_UMINUS = 37, /* UMINUS */ + YYSYMBOL_38_ = 38, /* '^' */ + YYSYMBOL_39_ = 39, /* '!' */ + YYSYMBOL_40_ = 40, /* '=' */ + YYSYMBOL_41_ = 41, /* '(' */ + YYSYMBOL_42_ = 42, /* ')' */ + YYSYMBOL_43_ = 43, /* ',' */ + YYSYMBOL_YYACCEPT = 44, /* $accept */ + YYSYMBOL_top = 45, /* top */ + YYSYMBOL_statements = 46, /* statements */ + YYSYMBOL_statement = 47, /* statement */ + YYSYMBOL_e = 48, /* e */ + YYSYMBOL_gcdlist = 49, /* gcdlist */ + YYSYMBOL_lcmlist = 50 /* lcmlist */ +}; +typedef enum yysymbol_kind_t yysymbol_kind_t; + + + + +#ifdef short +# undef short +#endif + +/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure + and (if available) are included + so that the code can choose integer types of a good width. */ + +#ifndef __PTRDIFF_MAX__ +# include /* INFRINGES ON USER NAME SPACE */ +# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_STDINT_H +# endif +#endif + +/* Narrow types that promote to a signed type and that can represent a + signed or unsigned integer of at least N bits. In tables they can + save space and decrease cache pressure. Promoting to a signed type + helps avoid bugs in integer arithmetic. */ + +#ifdef __INT_LEAST8_MAX__ +typedef __INT_LEAST8_TYPE__ yytype_int8; +#elif defined YY_STDINT_H +typedef int_least8_t yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef __INT_LEAST16_MAX__ +typedef __INT_LEAST16_TYPE__ yytype_int16; +#elif defined YY_STDINT_H +typedef int_least16_t yytype_int16; +#else +typedef short yytype_int16; +#endif + +/* Work around bug in HP-UX 11.23, which defines these macros + incorrectly for preprocessor constants. This workaround can likely + be removed in 2023, as HPE has promised support for HP-UX 11.23 + (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of + . */ +#ifdef __hpux +# undef UINT_LEAST8_MAX +# undef UINT_LEAST16_MAX +# define UINT_LEAST8_MAX 255 +# define UINT_LEAST16_MAX 65535 +#endif + +#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST8_TYPE__ yytype_uint8; +#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST8_MAX <= INT_MAX) +typedef uint_least8_t yytype_uint8; +#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX +typedef unsigned char yytype_uint8; +#else +typedef short yytype_uint8; +#endif + +#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST16_TYPE__ yytype_uint16; +#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST16_MAX <= INT_MAX) +typedef uint_least16_t yytype_uint16; +#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX +typedef unsigned short yytype_uint16; +#else +typedef int yytype_uint16; +#endif + +#ifndef YYPTRDIFF_T +# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__ +# define YYPTRDIFF_T __PTRDIFF_TYPE__ +# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__ +# elif defined PTRDIFF_MAX +# ifndef ptrdiff_t +# include /* INFRINGES ON USER NAME SPACE */ +# endif +# define YYPTRDIFF_T ptrdiff_t +# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX +# else +# define YYPTRDIFF_T long +# define YYPTRDIFF_MAXIMUM LONG_MAX +# endif +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned +# endif +#endif + +#define YYSIZE_MAXIMUM \ + YY_CAST (YYPTRDIFF_T, \ + (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \ + ? YYPTRDIFF_MAXIMUM \ + : YY_CAST (YYSIZE_T, -1))) + +#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X)) + + +/* Stored state numbers (used for stacks). */ +typedef yytype_int8 yy_state_t; + +/* State numbers in computations. */ +typedef int yy_state_fast_t; + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* 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_PURE +# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define YY_ATTRIBUTE_PURE +# endif +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +# else +# define YY_ATTRIBUTE_UNUSED +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YY_USE(E) ((void) (E)) +#else +# define YY_USE(E) /* empty */ +#endif + +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__ +# if __GNUC__ * 100 + __GNUC_MINOR__ < 407 +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") +# else +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# endif +# 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 __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__ +# define YY_IGNORE_USELESS_CAST_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"") +# define YY_IGNORE_USELESS_CAST_END \ + _Pragma ("GCC diagnostic pop") +#endif +#ifndef YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_END +#endif + + +#define YY_ASSERT(E) ((void) (0 && (E))) + +#if !defined yyoverflow + +/* 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 /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include /* 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 /* 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 */ + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yy_state_t yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (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 \ + { \ + YYPTRDIFF_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / YYSIZEOF (*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, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYPTRDIFF_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 41 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 552 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 44 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 7 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 49 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 118 + +/* YYMAXUTOK -- Last valid token kind. */ +#define YYMAXUTOK 285 + + +/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, with out-of-bounds checking. */ +#define YYTRANSLATE(YYX) \ + (0 <= (YYX) && (YYX) <= YYMAXUTOK \ + ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \ + : YYSYMBOL_YYUNDEF) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex. */ +static const yytype_int8 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, 39, 2, 2, 2, 36, 2, 2, + 41, 42, 34, 32, 43, 33, 2, 35, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 24, 40, 25, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 38, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, 26, + 27, 28, 29, 30, 31, 37 +}; + +#if YYDEBUG +/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_int16 yyrline[] = +{ + 0, 167, 167, 168, 171, 172, 173, 175, 177, 182, + 188, 189, 190, 191, 197, 198, 199, 200, 201, 202, + 203, 205, 207, 209, 211, 213, 214, 215, 216, 217, + 218, 220, 221, 223, 224, 226, 228, 229, 231, 232, + 234, 235, 236, 238, 240, 246, 257, 258, 261, 262 +}; +#endif + +/** Accessing symbol of state STATE. */ +#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State]) + +#if YYDEBUG || 0 +/* The user-facing name of the symbol whose (internal) number is + YYSYMBOL. No bounds checking. */ +static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED; + +/* YYTNAME[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", "\"invalid token\"", "EOS", "BAD", "HELP", + "HEX", "DECIMAL", "QUIT", "ABS", "BIN", "FIB", "GCD", "KRON", "LCM", + "LUCNUM", "NEXTPRIME", "POWM", "ROOT", "SQRT", "NUMBER", "VARIABLE", + "LOR", "LAND", "'<'", "'>'", "EQ", "NE", "LE", "GE", "LSHIFT", "RSHIFT", + "'+'", "'-'", "'*'", "'/'", "'%'", "UMINUS", "'^'", "'!'", "'='", "'('", + "')'", "','", "$accept", "top", "statements", "statement", "e", + "gcdlist", "lcmlist", YY_NULLPTR +}; + +static const char * +yysymbol_name (yysymbol_kind_t yysymbol) +{ + return yytname[yysymbol]; +} +#endif + +#define YYPACT_NINF (-39) + +#define yypact_value_is_default(Yyn) \ + ((Yyn) == YYPACT_NINF) + +#define YYTABLE_NINF (-8) + +#define yytable_value_is_error(Yyn) \ + ((Yyn) == YYTABLE_NINF) + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int16 yypact[] = +{ + 41, 3, -39, -39, -39, -39, 2, 4, 27, 32, + 35, 36, 39, 42, 45, 46, 47, -39, -18, 124, + 124, 89, 91, 87, 464, -39, 124, 124, 124, 124, + 124, 124, 124, 124, 124, 124, 124, 124, -39, -36, + 254, -39, 88, -39, 124, 124, 124, 124, 124, 124, + 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, + -39, 275, 144, 296, 464, -38, 166, 464, 29, 317, + 338, 188, 210, 359, 464, -39, -39, 481, 497, 513, + 513, 513, 513, 513, 513, 31, 31, -15, -15, -36, + -36, -36, -36, -39, 124, -39, -39, 124, 124, -39, + 124, -39, -39, 124, 124, -39, 380, 464, 401, 464, + 232, 422, -39, -39, 124, -39, 443, -39 +}; + +/* 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_int8 yydefact[] = +{ + 0, 0, 10, 11, 12, 13, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 45, 44, 0, + 0, 0, 7, 2, 8, 6, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 44, 24, + 0, 1, 3, 4, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 23, 0, 0, 0, 46, 0, 0, 48, 0, 0, + 0, 0, 0, 0, 9, 14, 5, 32, 31, 25, + 30, 27, 28, 26, 29, 21, 22, 15, 16, 17, + 18, 19, 20, 33, 0, 35, 36, 0, 0, 38, + 0, 39, 40, 0, 0, 43, 0, 47, 0, 49, + 0, 0, 34, 37, 0, 42, 0, 41 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -39, -39, -39, 70, -19, -39, -39 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + 0, 21, 22, 23, 24, 65, 68 +}; + +/* 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_int8 yytable[] = +{ + 39, 40, 59, 60, 96, 97, 25, 61, 62, 63, + 64, 66, 67, 69, 70, 71, 72, 73, 74, 56, + 57, 58, 37, 59, 60, 77, 78, 79, 80, 81, + 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, + 92, -7, 1, 26, -7, 27, 2, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 54, 55, 56, 57, 58, 28, 59, + 60, 99, 100, 29, 19, 106, 30, 31, 107, 108, + 32, 109, 20, 33, 110, 111, 34, 35, 36, 41, + 43, 76, 42, 0, 0, 116, 2, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, + 0, 0, 20, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 38, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, + 0, 0, 0, 0, 0, 20, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 0, 59, 60, 0, 0, 0, 94, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 0, 59, 60, 0, 0, 0, 98, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 0, 59, 60, 0, 0, + 0, 103, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 0, 59, 60, + 0, 0, 0, 104, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 57, 58, 0, + 59, 60, 0, 0, 0, 114, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 0, 59, 60, 0, 0, 75, 44, 45, 46, + 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 0, 59, 60, 0, 0, 93, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 0, 59, 60, 0, 0, 95, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 0, 59, 60, 0, 0, 101, + 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 0, 59, 60, 0, 0, + 102, 44, 45, 46, 47, 48, 49, 50, 51, 52, + 53, 54, 55, 56, 57, 58, 0, 59, 60, 0, + 0, 105, 44, 45, 46, 47, 48, 49, 50, 51, + 52, 53, 54, 55, 56, 57, 58, 0, 59, 60, + 0, 0, 112, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 0, 59, + 60, 0, 0, 113, 44, 45, 46, 47, 48, 49, + 50, 51, 52, 53, 54, 55, 56, 57, 58, 0, + 59, 60, 0, 0, 115, 44, 45, 46, 47, 48, + 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, + 0, 59, 60, 0, 0, 117, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 0, 59, 60, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 0, 59, + 60, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56, 57, 58, 0, 59, 60, -8, -8, -8, + -8, -8, -8, 52, 53, 54, 55, 56, 57, 58, + 0, 59, 60 +}; + +static const yytype_int8 yycheck[] = +{ + 19, 20, 38, 39, 42, 43, 3, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, 37, 34, + 35, 36, 40, 38, 39, 44, 45, 46, 47, 48, + 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, + 59, 0, 1, 41, 3, 41, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, + 19, 20, 21, 32, 33, 34, 35, 36, 41, 38, + 39, 42, 43, 41, 33, 94, 41, 41, 97, 98, + 41, 100, 41, 41, 103, 104, 41, 41, 41, 0, + 3, 3, 22, -1, -1, 114, 5, 6, 7, 8, + 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, + 19, 20, 21, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 33, -1, -1, -1, -1, -1, + -1, -1, 41, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 33, -1, -1, + -1, -1, -1, -1, -1, 41, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, -1, 38, 39, -1, -1, -1, 43, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, -1, 38, 39, -1, -1, -1, 43, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, -1, 38, 39, -1, -1, + -1, 43, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, -1, 38, 39, + -1, -1, -1, 43, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, -1, + 38, 39, -1, -1, -1, 43, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, -1, 38, 39, -1, -1, 42, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, -1, 38, 39, -1, -1, 42, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, + 34, 35, 36, -1, 38, 39, -1, -1, 42, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, -1, 38, 39, -1, -1, 42, + 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, -1, 38, 39, -1, -1, + 42, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, 32, 33, 34, 35, 36, -1, 38, 39, -1, + -1, 42, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, -1, 38, 39, + -1, -1, 42, 22, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, -1, 38, + 39, -1, -1, 42, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, -1, + 38, 39, -1, -1, 42, 22, 23, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + -1, 38, 39, -1, -1, 42, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, -1, 38, 39, 23, 24, 25, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, -1, 38, + 39, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, -1, 38, 39, 24, 25, 26, + 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, + -1, 38, 39 +}; + +/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of + state STATE-NUM. */ +static const yytype_int8 yystos[] = +{ + 0, 1, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 33, + 41, 45, 46, 47, 48, 3, 41, 41, 41, 41, + 41, 41, 41, 41, 41, 41, 41, 40, 21, 48, + 48, 0, 47, 3, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 33, 34, 35, 36, 38, + 39, 48, 48, 48, 48, 49, 48, 48, 50, 48, + 48, 48, 48, 48, 48, 42, 3, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 42, 43, 42, 42, 43, 43, 42, + 43, 42, 42, 43, 43, 42, 48, 48, 48, 48, + 48, 48, 42, 42, 43, 42, 48, 42 +}; + +/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */ +static const yytype_int8 yyr1[] = +{ + 0, 44, 45, 45, 46, 46, 46, 47, 47, 47, + 47, 47, 47, 47, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 49, 49, 50, 50 +}; + +/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */ +static const yytype_int8 yyr2[] = +{ + 0, 2, 1, 2, 2, 3, 2, 0, 1, 3, + 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, + 3, 3, 3, 4, 6, 4, 4, 6, 4, 4, + 4, 8, 6, 4, 1, 1, 1, 3, 1, 3 +}; + + +enum { YYENOMEM = -2 }; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab +#define YYNOMEM goto yyexhaustedlab + + +#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) + +/* Backward compatibility with an undocumented macro. + Use YYerror or YYUNDEF. */ +#define YYERRCODE YYUNDEF + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + + + + +# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Kind, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*-----------------------------------. +| Print this symbol's value on YYO. | +`-----------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + FILE *yyoutput = yyo; + YY_USE (yyoutput); + if (!yyvaluep) + return; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/*---------------------------. +| Print this symbol on YYO. | +`---------------------------*/ + +static void +yy_symbol_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyo, "%s %s (", + yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind)); + + yy_symbol_value_print (yyo, yykind, yyvaluep); + YYFPRINTF (yyo, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yy_state_t *yybottom, yy_state_t *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 (yy_state_t *yyssp, YYSTYPE *yyvsp, + int yyrule) +{ + int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + YY_ACCESSING_SYMBOL (+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) ((void) 0) +# define YY_SYMBOL_PRINT(Title, Kind, 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 + + + + + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, + yysymbol_kind_t yykind, YYSTYPE *yyvaluep) +{ + YY_USE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/* Lookahead token kind. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + yy_state_fast_t yystate = 0; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus = 0; + + /* Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* Their size. */ + YYPTRDIFF_T yystacksize = YYINITDEPTH; + + /* The state stack: array, bottom, top. */ + yy_state_t yyssa[YYINITDEPTH]; + yy_state_t *yyss = yyssa; + yy_state_t *yyssp = yyss; + + /* The semantic value stack: array, bottom, top. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + YYSTYPE *yyvsp = yyvs; + + int yyn; + /* The return value of yyparse. */ + int yyresult; + /* Lookahead symbol kind. */ + yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + +#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; + + YYDPRINTF ((stderr, "Starting parse\n")); + + 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 -- set current state (the top of the stack) to yystate. | +`--------------------------------------------------------------------*/ +yysetstate: + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + YY_ASSERT (0 <= yystate && yystate < YYNSTATES); + YY_IGNORE_USELESS_CAST_BEGIN + *yyssp = YY_CAST (yy_state_t, yystate); + YY_IGNORE_USELESS_CAST_END + YY_STACK_PRINT (yyss, yyssp); + + if (yyss + yystacksize - 1 <= yyssp) +#if !defined yyoverflow && !defined YYSTACK_RELOCATE + YYNOMEM; +#else + { + /* Get the current used size of the three stacks, in elements. */ + YYPTRDIFF_T yysize = yyssp - yyss + 1; + +# if defined 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. */ + yy_state_t *yyss1 = yyss; + YYSTYPE *yyvs1 = yyvs; + + /* 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 * YYSIZEOF (*yyssp), + &yyvs1, yysize * YYSIZEOF (*yyvsp), + &yystacksize); + yyss = yyss1; + yyvs = yyvs1; + } +# else /* defined YYSTACK_RELOCATE */ + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + YYNOMEM; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yy_state_t *yyss1 = yyss; + union yyalloc *yyptr = + YY_CAST (union yyalloc *, + YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize)))); + if (! yyptr) + YYNOMEM; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YY_IGNORE_USELESS_CAST_BEGIN + YYDPRINTF ((stderr, "Stack size increased to %ld\n", + YY_CAST (long, yystacksize))); + YY_IGNORE_USELESS_CAST_END + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } +#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */ + + + 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 empty, or end-of-input, or a valid lookahead. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token\n")); + yychar = yylex (); + } + + if (yychar <= YYEOF) + { + yychar = YYEOF; + yytoken = YYSYMBOL_YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else if (yychar == YYerror) + { + /* The scanner already issued an error message, process directly + to error recovery. But do not keep the error token as + lookahead, it is too special and may lead us to an endless + loop in error recovery. */ + yychar = YYUNDEF; + yytoken = YYSYMBOL_YYerror; + goto yyerrlab1; + } + 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); + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + /* Discard the shifted token. */ + yychar = YYEMPTY; + 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 6: /* statements: error EOS */ +#line 173 "../../../gmp/demos/calc/calc.y" + { sp = stack[0]; yyerrok; } +#line 1508 "calc.c" + break; + + case 8: /* statement: e */ +#line 177 "../../../gmp/demos/calc/calc.y" + { + mpz_out_str (stdout, obase, sp); putchar ('\n'); + sp--; + CHECK_EMPTY (); + } +#line 1518 "calc.c" + break; + + case 9: /* statement: VARIABLE '=' e */ +#line 182 "../../../gmp/demos/calc/calc.y" + { + CHECK_VARIABLE ((yyvsp[-2].var)); + mpz_swap (variable[(yyvsp[-2].var)], sp); + sp--; + CHECK_EMPTY (); + } +#line 1529 "calc.c" + break; + + case 10: /* statement: HELP */ +#line 188 "../../../gmp/demos/calc/calc.y" + { calc_help (); } +#line 1535 "calc.c" + break; + + case 11: /* statement: HEX */ +#line 189 "../../../gmp/demos/calc/calc.y" + { ibase = 16; obase = -16; } +#line 1541 "calc.c" + break; + + case 12: /* statement: DECIMAL */ +#line 190 "../../../gmp/demos/calc/calc.y" + { ibase = 0; obase = 10; } +#line 1547 "calc.c" + break; + + case 13: /* statement: QUIT */ +#line 191 "../../../gmp/demos/calc/calc.y" + { exit (0); } +#line 1553 "calc.c" + break; + + case 15: /* e: e '+' e */ +#line 198 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_add (sp, sp, sp+1); } +#line 1559 "calc.c" + break; + + case 16: /* e: e '-' e */ +#line 199 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_sub (sp, sp, sp+1); } +#line 1565 "calc.c" + break; + + case 17: /* e: e '*' e */ +#line 200 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_mul (sp, sp, sp+1); } +#line 1571 "calc.c" + break; + + case 18: /* e: e '/' e */ +#line 201 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_fdiv_q (sp, sp, sp+1); } +#line 1577 "calc.c" + break; + + case 19: /* e: e '%' e */ +#line 202 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_fdiv_r (sp, sp, sp+1); } +#line 1583 "calc.c" + break; + + case 20: /* e: e '^' e */ +#line 203 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Exponent", sp); + sp--; mpz_pow_ui (sp, sp, mpz_get_ui (sp+1)); } +#line 1590 "calc.c" + break; + + case 21: /* e: e LSHIFT e */ +#line 205 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Shift count", sp); + sp--; mpz_mul_2exp (sp, sp, mpz_get_ui (sp+1)); } +#line 1597 "calc.c" + break; + + case 22: /* e: e RSHIFT e */ +#line 207 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Shift count", sp); + sp--; mpz_fdiv_q_2exp (sp, sp, mpz_get_ui (sp+1)); } +#line 1604 "calc.c" + break; + + case 23: /* e: e '!' */ +#line 209 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Factorial", sp); + mpz_fac_ui (sp, mpz_get_ui (sp)); } +#line 1611 "calc.c" + break; + + case 24: /* e: '-' e */ +#line 211 "../../../gmp/demos/calc/calc.y" + { mpz_neg (sp, sp); } +#line 1617 "calc.c" + break; + + case 25: /* e: e '<' e */ +#line 213 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) < 0); } +#line 1623 "calc.c" + break; + + case 26: /* e: e LE e */ +#line 214 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) <= 0); } +#line 1629 "calc.c" + break; + + case 27: /* e: e EQ e */ +#line 215 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) == 0); } +#line 1635 "calc.c" + break; + + case 28: /* e: e NE e */ +#line 216 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) != 0); } +#line 1641 "calc.c" + break; + + case 29: /* e: e GE e */ +#line 217 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) >= 0); } +#line 1647 "calc.c" + break; + + case 30: /* e: e '>' e */ +#line 218 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) > 0); } +#line 1653 "calc.c" + break; + + case 31: /* e: e LAND e */ +#line 220 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_sgn (sp) && mpz_sgn (sp+1)); } +#line 1659 "calc.c" + break; + + case 32: /* e: e LOR e */ +#line 221 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_ui (sp, mpz_sgn (sp) || mpz_sgn (sp+1)); } +#line 1665 "calc.c" + break; + + case 33: /* e: ABS '(' e ')' */ +#line 223 "../../../gmp/demos/calc/calc.y" + { mpz_abs (sp, sp); } +#line 1671 "calc.c" + break; + + case 34: /* e: BIN '(' e ',' e ')' */ +#line 224 "../../../gmp/demos/calc/calc.y" + { sp--; CHECK_UI ("Binomial base", sp+1); + mpz_bin_ui (sp, sp, mpz_get_ui (sp+1)); } +#line 1678 "calc.c" + break; + + case 35: /* e: FIB '(' e ')' */ +#line 226 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Fibonacci", sp); + mpz_fib_ui (sp, mpz_get_ui (sp)); } +#line 1685 "calc.c" + break; + + case 37: /* e: KRON '(' e ',' e ')' */ +#line 229 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_set_si (sp, + mpz_kronecker (sp, sp+1)); } +#line 1692 "calc.c" + break; + + case 39: /* e: LUCNUM '(' e ')' */ +#line 232 "../../../gmp/demos/calc/calc.y" + { CHECK_UI ("Lucas number", sp); + mpz_lucnum_ui (sp, mpz_get_ui (sp)); } +#line 1699 "calc.c" + break; + + case 40: /* e: NEXTPRIME '(' e ')' */ +#line 234 "../../../gmp/demos/calc/calc.y" + { mpz_nextprime (sp, sp); } +#line 1705 "calc.c" + break; + + case 41: /* e: POWM '(' e ',' e ',' e ')' */ +#line 235 "../../../gmp/demos/calc/calc.y" + { sp -= 2; mpz_powm (sp, sp, sp+1, sp+2); } +#line 1711 "calc.c" + break; + + case 42: /* e: ROOT '(' e ',' e ')' */ +#line 236 "../../../gmp/demos/calc/calc.y" + { sp--; CHECK_UI ("Nth-root", sp+1); + mpz_root (sp, sp, mpz_get_ui (sp+1)); } +#line 1718 "calc.c" + break; + + case 43: /* e: SQRT '(' e ')' */ +#line 238 "../../../gmp/demos/calc/calc.y" + { mpz_sqrt (sp, sp); } +#line 1724 "calc.c" + break; + + case 44: /* e: VARIABLE */ +#line 240 "../../../gmp/demos/calc/calc.y" + { + sp++; + CHECK_OVERFLOW (); + CHECK_VARIABLE ((yyvsp[0].var)); + mpz_set (sp, variable[(yyvsp[0].var)]); + } +#line 1735 "calc.c" + break; + + case 45: /* e: NUMBER */ +#line 246 "../../../gmp/demos/calc/calc.y" + { + sp++; + CHECK_OVERFLOW (); + if (mpz_set_str (sp, (yyvsp[0].str), ibase) != 0) + { + fprintf (stderr, "Invalid number: %s\n", (yyvsp[0].str)); + YYERROR; + } + } +#line 1749 "calc.c" + break; + + case 47: /* gcdlist: gcdlist ',' e */ +#line 258 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_gcd (sp, sp, sp+1); } +#line 1755 "calc.c" + break; + + case 49: /* lcmlist: lcmlist ',' e */ +#line 262 "../../../gmp/demos/calc/calc.y" + { sp--; mpz_lcm (sp, sp, sp+1); } +#line 1761 "calc.c" + break; + + +#line 1765 "calc.c" + + 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 ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + + *++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. */ + { + const int yylhs = yyr1[yyn] - YYNTOKENS; + const int yyi = yypgoto[yylhs] + *yyssp; + yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp + ? yytable[yyi] + : yydefgoto[yylhs]); + } + + 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 ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar); + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; + yyerror (YY_("syntax error")); + } + + 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 when the user code never invokes YYERROR and the + label yyerrorlab therefore never appears in user code. */ + if (0) + YYERROR; + ++yynerrs; + + /* 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. */ + + /* Pop stack until we find a state that shifts the error token. */ + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYSYMBOL_YYerror; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror) + { + 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", + YY_ACCESSING_SYMBOL (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", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturnlab; + + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturnlab; + + +/*-----------------------------------------------------------. +| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. | +`-----------------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + goto yyreturnlab; + + +/*----------------------------------------------------------. +| yyreturnlab -- parsing is finished, clean up and return. | +`----------------------------------------------------------*/ +yyreturnlab: + 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", + YY_ACCESSING_SYMBOL (+*yyssp), yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + + return yyresult; +} + +#line 264 "../../../gmp/demos/calc/calc.y" + + +yyerror (char *s) +{ + fprintf (stderr, "%s\n", s); +} + +int calc_option_readline = -1; + +int +main (int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; i++) + { + if (strcmp (argv[i], "--readline") == 0) + calc_option_readline = 1; + else if (strcmp (argv[i], "--noreadline") == 0) + calc_option_readline = 0; + else if (strcmp (argv[i], "--help") == 0) + { + printf ("Usage: calc [--option]...\n"); + printf (" --readline use readline\n"); + printf (" --noreadline don't use readline\n"); + printf (" --help this message\n"); + printf ("Readline is only available when compiled in,\n"); + printf ("and in that case it's the default on a tty.\n"); + exit (0); + } + else + { + fprintf (stderr, "Unrecognised option: %s\n", argv[i]); + exit (1); + } + } + +#if WITH_READLINE + calc_init_readline (); +#else + if (calc_option_readline == 1) + { + fprintf (stderr, "Readline support not available\n"); + exit (1); + } +#endif + + for (i = 0; i < numberof (variable); i++) + mpz_init (variable[i]); + + for (i = 0; i < numberof (stack); i++) + mpz_init (stack[i]); + + return yyparse (); +} diff --git a/gmp-6.3.0/demos/calc/calc.h b/gmp-6.3.0/demos/calc/calc.h new file mode 100644 index 0000000..4622aa9 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc.h @@ -0,0 +1,146 @@ +/* A Bison parser, made by GNU Bison 3.8.2. */ + +/* Bison interface for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 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 . */ + +/* 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. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +#ifndef YY_YY_CALC_H_INCLUDED +# define YY_YY_CALC_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + EOS = 258, /* EOS */ + BAD = 259, /* BAD */ + HELP = 260, /* HELP */ + HEX = 261, /* HEX */ + DECIMAL = 262, /* DECIMAL */ + QUIT = 263, /* QUIT */ + ABS = 264, /* ABS */ + BIN = 265, /* BIN */ + FIB = 266, /* FIB */ + GCD = 267, /* GCD */ + KRON = 268, /* KRON */ + LCM = 269, /* LCM */ + LUCNUM = 270, /* LUCNUM */ + NEXTPRIME = 271, /* NEXTPRIME */ + POWM = 272, /* POWM */ + ROOT = 273, /* ROOT */ + SQRT = 274, /* SQRT */ + NUMBER = 275, /* NUMBER */ + VARIABLE = 276, /* VARIABLE */ + LOR = 277, /* LOR */ + LAND = 278, /* LAND */ + EQ = 279, /* EQ */ + NE = 280, /* NE */ + LE = 281, /* LE */ + GE = 282, /* GE */ + LSHIFT = 283, /* LSHIFT */ + RSHIFT = 284, /* RSHIFT */ + UMINUS = 285 /* UMINUS */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define EOS 258 +#define BAD 259 +#define HELP 260 +#define HEX 261 +#define DECIMAL 262 +#define QUIT 263 +#define ABS 264 +#define BIN 265 +#define FIB 266 +#define GCD 267 +#define KRON 268 +#define LCM 269 +#define LUCNUM 270 +#define NEXTPRIME 271 +#define POWM 272 +#define ROOT 273 +#define SQRT 274 +#define NUMBER 275 +#define VARIABLE 276 +#define LOR 277 +#define LAND 278 +#define EQ 279 +#define NE 280 +#define LE 281 +#define GE 282 +#define LSHIFT 283 +#define RSHIFT 284 +#define UMINUS 285 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 142 "../../../gmp/demos/calc/calc.y" + + char *str; + int var; + +#line 132 "calc.h" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + + +int yyparse (void); + + +#endif /* !YY_YY_CALC_H_INCLUDED */ diff --git a/gmp-6.3.0/demos/calc/calc.y b/gmp-6.3.0/demos/calc/calc.y new file mode 100644 index 0000000..0fa1206 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calc.y @@ -0,0 +1,318 @@ +%{ +/* A simple integer desk calculator using yacc and gmp. + +Copyright 2000-2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + + +/* This is a simple program, meant only to show one way to use GMP for this + sort of thing. There's few features, and error checking is minimal. + Standard input is read, calc_help() below shows the inputs accepted. + + Expressions are evaluated as they're read. If user defined functions + were wanted it'd be necessary to build a parse tree like pexpr.c does, or + a list of operations for a stack based evaluator. That would also make + it possible to detect and optimize evaluations "mod m" like pexpr.c does. + + A stack is used for intermediate values in the expression evaluation, + separate from the yacc parser stack. This is simple, makes error + recovery easy, minimizes the junk around mpz calls in the rules, and + saves initializing or clearing "mpz_t"s during a calculation. A + disadvantage though is that variables must be copied to the stack to be + worked on. A more sophisticated calculator or language system might be + able to avoid that when executing a compiled or semi-compiled form. + + Avoiding repeated initializing and clearing of "mpz_t"s is important. In + this program the time spent parsing is obviously much greater than any + possible saving from this, but a proper calculator or language should + take some trouble over it. Don't be surprised if an init/clear takes 3 + or more times as long as a 10 limb addition, depending on the system (see + the mpz_init_realloc_clear example in tune/README). */ + + +#include +#include +#include +#include "gmp.h" +#define NO_CALC_H /* because it conflicts with normal calc.c stuff */ +#include "calc-common.h" + + +#define numberof(x) (sizeof (x) / sizeof ((x)[0])) + + +void +calc_help (void) +{ + printf ("Examples:\n"); + printf (" 2+3*4 expressions are evaluated\n"); + printf (" x=5^6 variables a to z can be set and used\n"); + printf ("Operators:\n"); + printf (" + - * arithmetic\n"); + printf (" / %% division and remainder (rounding towards negative infinity)\n"); + printf (" ^ exponentiation\n"); + printf (" ! factorial\n"); + printf (" << >> left and right shifts\n"); + printf (" <= >= > \\ comparisons, giving 1 if true, 0 if false\n"); + printf (" == != < /\n"); + printf (" && || logical and/or, giving 1 if true, 0 if false\n"); + printf ("Functions:\n"); + printf (" abs(n) absolute value\n"); + printf (" bin(n,m) binomial coefficient\n"); + printf (" fib(n) fibonacci number\n"); + printf (" gcd(a,b,..) greatest common divisor\n"); + printf (" kron(a,b) kronecker symbol\n"); + printf (" lcm(a,b,..) least common multiple\n"); + printf (" lucnum(n) lucas number\n"); + printf (" nextprime(n) next prime after n\n"); + printf (" powm(b,e,m) modulo powering, b^e%%m\n"); + printf (" root(n,r) r-th root\n"); + printf (" sqrt(n) square root\n"); + printf ("Other:\n"); + printf (" hex \\ set hex or decimal for input and output\n"); + printf (" decimal / (\"0x\" can be used for hex too)\n"); + printf (" quit exit program (EOF works too)\n"); + printf (" ; statements are separated with a ; or newline\n"); + printf (" \\ continue expressions with \\ before newline\n"); + printf (" # xxx comments are # though to newline\n"); + printf ("Hex numbers must be entered in upper case, to distinguish them from the\n"); + printf ("variables a to f (like in bc).\n"); +} + + +int ibase = 0; +int obase = 10; + + +/* The stack is a fixed size, which means there's a limit on the nesting + allowed in expressions. A more sophisticated program could let it grow + dynamically. */ + +mpz_t stack[100]; +mpz_ptr sp = stack[0]; + +#define CHECK_OVERFLOW() \ + if (sp >= stack[numberof(stack)]) /* FIXME */ \ + { \ + fprintf (stderr, \ + "Value stack overflow, too much nesting in expression\n"); \ + YYERROR; \ + } + +#define CHECK_EMPTY() \ + if (sp != stack[0]) \ + { \ + fprintf (stderr, "Oops, expected the value stack to be empty\n"); \ + sp = stack[0]; \ + } + + +mpz_t variable[26]; + +#define CHECK_VARIABLE(var) \ + if ((var) < 0 || (var) >= numberof (variable)) \ + { \ + fprintf (stderr, "Oops, bad variable somehow: %d\n", var); \ + YYERROR; \ + } + + +#define CHECK_UI(name,z) \ + if (! mpz_fits_ulong_p (z)) \ + { \ + fprintf (stderr, "%s too big\n", name); \ + YYERROR; \ + } + +%} + +%union { + char *str; + int var; +} + +%token EOS BAD +%token HELP HEX DECIMAL QUIT +%token ABS BIN FIB GCD KRON LCM LUCNUM NEXTPRIME POWM ROOT SQRT +%token NUMBER +%token VARIABLE + +/* operators, increasing precedence */ +%left LOR +%left LAND +%nonassoc '<' '>' EQ NE LE GE +%left LSHIFT RSHIFT +%left '+' '-' +%left '*' '/' '%' +%nonassoc UMINUS +%right '^' +%nonassoc '!' + +%% + +top: + statement + | statements statement; + +statements: + statement EOS + | statements statement EOS + | error EOS { sp = stack[0]; yyerrok; }; + +statement: + /* empty */ + | e { + mpz_out_str (stdout, obase, sp); putchar ('\n'); + sp--; + CHECK_EMPTY (); + } + | VARIABLE '=' e { + CHECK_VARIABLE ($1); + mpz_swap (variable[$1], sp); + sp--; + CHECK_EMPTY (); + } + | HELP { calc_help (); } + | HEX { ibase = 16; obase = -16; } + | DECIMAL { ibase = 0; obase = 10; } + | QUIT { exit (0); }; + +/* "e" leaves it's value on the top of the mpz stack. A rule like "e '+' e" + will have done a reduction for the first "e" first and the second "e" + second, so the code receives the values in that order on the stack. */ +e: + '(' e ')' /* value on stack */ + | e '+' e { sp--; mpz_add (sp, sp, sp+1); } + | e '-' e { sp--; mpz_sub (sp, sp, sp+1); } + | e '*' e { sp--; mpz_mul (sp, sp, sp+1); } + | e '/' e { sp--; mpz_fdiv_q (sp, sp, sp+1); } + | e '%' e { sp--; mpz_fdiv_r (sp, sp, sp+1); } + | e '^' e { CHECK_UI ("Exponent", sp); + sp--; mpz_pow_ui (sp, sp, mpz_get_ui (sp+1)); } + | e LSHIFT e { CHECK_UI ("Shift count", sp); + sp--; mpz_mul_2exp (sp, sp, mpz_get_ui (sp+1)); } + | e RSHIFT e { CHECK_UI ("Shift count", sp); + sp--; mpz_fdiv_q_2exp (sp, sp, mpz_get_ui (sp+1)); } + | e '!' { CHECK_UI ("Factorial", sp); + mpz_fac_ui (sp, mpz_get_ui (sp)); } + | '-' e %prec UMINUS { mpz_neg (sp, sp); } + + | e '<' e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) < 0); } + | e LE e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) <= 0); } + | e EQ e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) == 0); } + | e NE e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) != 0); } + | e GE e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) >= 0); } + | e '>' e { sp--; mpz_set_ui (sp, mpz_cmp (sp, sp+1) > 0); } + + | e LAND e { sp--; mpz_set_ui (sp, mpz_sgn (sp) && mpz_sgn (sp+1)); } + | e LOR e { sp--; mpz_set_ui (sp, mpz_sgn (sp) || mpz_sgn (sp+1)); } + + | ABS '(' e ')' { mpz_abs (sp, sp); } + | BIN '(' e ',' e ')' { sp--; CHECK_UI ("Binomial base", sp+1); + mpz_bin_ui (sp, sp, mpz_get_ui (sp+1)); } + | FIB '(' e ')' { CHECK_UI ("Fibonacci", sp); + mpz_fib_ui (sp, mpz_get_ui (sp)); } + | GCD '(' gcdlist ')' /* value on stack */ + | KRON '(' e ',' e ')' { sp--; mpz_set_si (sp, + mpz_kronecker (sp, sp+1)); } + | LCM '(' lcmlist ')' /* value on stack */ + | LUCNUM '(' e ')' { CHECK_UI ("Lucas number", sp); + mpz_lucnum_ui (sp, mpz_get_ui (sp)); } + | NEXTPRIME '(' e ')' { mpz_nextprime (sp, sp); } + | POWM '(' e ',' e ',' e ')' { sp -= 2; mpz_powm (sp, sp, sp+1, sp+2); } + | ROOT '(' e ',' e ')' { sp--; CHECK_UI ("Nth-root", sp+1); + mpz_root (sp, sp, mpz_get_ui (sp+1)); } + | SQRT '(' e ')' { mpz_sqrt (sp, sp); } + + | VARIABLE { + sp++; + CHECK_OVERFLOW (); + CHECK_VARIABLE ($1); + mpz_set (sp, variable[$1]); + } + | NUMBER { + sp++; + CHECK_OVERFLOW (); + if (mpz_set_str (sp, $1, ibase) != 0) + { + fprintf (stderr, "Invalid number: %s\n", $1); + YYERROR; + } + }; + +gcdlist: + e /* value on stack */ + | gcdlist ',' e { sp--; mpz_gcd (sp, sp, sp+1); }; + +lcmlist: + e /* value on stack */ + | lcmlist ',' e { sp--; mpz_lcm (sp, sp, sp+1); }; + +%% + +yyerror (char *s) +{ + fprintf (stderr, "%s\n", s); +} + +int calc_option_readline = -1; + +int +main (int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; i++) + { + if (strcmp (argv[i], "--readline") == 0) + calc_option_readline = 1; + else if (strcmp (argv[i], "--noreadline") == 0) + calc_option_readline = 0; + else if (strcmp (argv[i], "--help") == 0) + { + printf ("Usage: calc [--option]...\n"); + printf (" --readline use readline\n"); + printf (" --noreadline don't use readline\n"); + printf (" --help this message\n"); + printf ("Readline is only available when compiled in,\n"); + printf ("and in that case it's the default on a tty.\n"); + exit (0); + } + else + { + fprintf (stderr, "Unrecognised option: %s\n", argv[i]); + exit (1); + } + } + +#if WITH_READLINE + calc_init_readline (); +#else + if (calc_option_readline == 1) + { + fprintf (stderr, "Readline support not available\n"); + exit (1); + } +#endif + + for (i = 0; i < numberof (variable); i++) + mpz_init (variable[i]); + + for (i = 0; i < numberof (stack); i++) + mpz_init (stack[i]); + + return yyparse (); +} diff --git a/gmp-6.3.0/demos/calc/calclex.c b/gmp-6.3.0/demos/calc/calclex.c new file mode 100644 index 0000000..7884001 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calclex.c @@ -0,0 +1,1933 @@ + +#line 3 "calclex.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 37 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +#if defined(__FreeBSD__) +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS +#endif +#include +#include +#else +#define __dead2 +#endif + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined(__FreeBSD__) || \ + (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern yy_size_t yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +#define yy_current_buffer YY_CURRENT_BUFFER + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ +yy_size_t yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ); + +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ) __dead2; + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 19 +#define YY_END_OF_BUFFER 20 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[39] = + { 0, + 0, 0, 20, 18, 1, 2, 7, 6, 7, 18, + 16, 16, 2, 7, 7, 7, 16, 17, 18, 18, + 11, 6, 5, 6, 14, 16, 0, 12, 8, 10, + 9, 13, 16, 17, 3, 15, 4, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 4, 1, 5, 1, 6, 7, 1, 6, + 6, 6, 6, 6, 6, 1, 6, 8, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 1, 10, 11, + 12, 13, 1, 1, 14, 14, 14, 14, 14, 14, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 16, 15, 15, + 1, 17, 1, 6, 1, 1, 15, 15, 15, 15, + + 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 15, 15, 1, 18, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[19] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, + 1, 1, 1, 2, 3, 2, 1, 1 + } ; + +static yyconst flex_int16_t yy_base[43] = + { 0, + 0, 0, 39, 49, 49, 49, 26, 16, 49, 30, + 20, 19, 49, 9, 22, 10, 9, 0, 29, 13, + 49, 23, 49, 24, 49, 0, 0, 49, 49, 49, + 49, 49, 13, 0, 49, 49, 49, 49, 41, 28, + 43, 45 + } ; + +static yyconst flex_int16_t yy_def[43] = + { 0, + 38, 1, 38, 38, 38, 38, 38, 39, 38, 38, + 40, 40, 38, 38, 38, 38, 41, 42, 38, 38, + 38, 39, 38, 39, 38, 12, 12, 38, 38, 38, + 38, 38, 41, 42, 38, 38, 38, 0, 38, 38, + 38, 38 + } ; + +static yyconst flex_int16_t yy_nxt[68] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 17, 18, 18, 19, 20, 23, 28, + 29, 31, 32, 34, 34, 23, 37, 34, 34, 26, + 36, 35, 24, 30, 38, 27, 25, 21, 38, 24, + 24, 22, 22, 22, 33, 33, 34, 34, 3, 38, + 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38 + } ; + +static yyconst flex_int16_t yy_chk[68] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 8, 14, + 14, 16, 16, 17, 17, 22, 24, 33, 33, 40, + 20, 19, 8, 15, 12, 11, 10, 7, 3, 22, + 24, 39, 39, 39, 41, 41, 42, 42, 38, 38, + 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, + 38, 38, 38, 38, 38, 38, 38 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "../../../gmp/demos/calc/calclex.l" +/* Lexical analyzer for calc program. + +Copyright 2000-2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ +#line 20 "../../../gmp/demos/calc/calclex.l" +#include +#include "calc-common.h" + + +#if WITH_READLINE +/* Let GNU flex use readline. See the calcread.c redefined input() for a + way that might work for a standard lex too. */ +#define YY_INPUT(buf,result,max_size) \ + result = calc_input (buf, max_size); +#endif + + +/* Non-zero when reading the second or subsequent line of an expression, + used to give a different prompt when using readline. */ +int calc_more_input = 0; + + +const struct calc_keywords_t calc_keywords[] = { + { "abs", ABS }, + { "bin", BIN }, + { "decimal", DECIMAL }, + { "fib", FIB }, + { "hex", HEX }, + { "help", HELP }, + { "gcd", GCD }, + { "kron", KRON }, + { "lcm", LCM }, + { "lucnum", LUCNUM }, + { "nextprime", NEXTPRIME }, + { "powm", POWM }, + { "quit", QUIT }, + { "root", ROOT }, + { "sqrt", SQRT }, + { NULL } +}; +#line 539 "calclex.c" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy (void ); + +int yyget_debug (void ); + +void yyset_debug (int debug_flag ); + +YY_EXTRA_TYPE yyget_extra (void ); + +void yyset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in (void ); + +void yyset_in (FILE * in_str ); + +FILE *yyget_out (void ); + +void yyset_out (FILE * out_str ); + +yy_size_t yyget_leng (void ); + +char *yyget_text (void ); + +int yyget_lineno (void ); + +void yyset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + +#ifndef YY_NO_UNPUT + static void yyunput (int c,char *buf_ptr ); +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + +#line 57 "../../../gmp/demos/calc/calclex.l" + + +#line 726 "calclex.c" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 39 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 49 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 59 "../../../gmp/demos/calc/calclex.l" +{ /* white space is skipped */ } + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 61 "../../../gmp/demos/calc/calclex.l" +{ /* semicolon or newline separates statements */ + calc_more_input = 0; + return EOS; } + YY_BREAK +case 3: +/* rule 3 can match eol */ +YY_RULE_SETUP +#line 64 "../../../gmp/demos/calc/calclex.l" +{ /* escaped newlines are skipped */ } + YY_BREAK +case 4: +/* rule 4 can match eol */ +YY_RULE_SETUP +#line 67 "../../../gmp/demos/calc/calclex.l" +{ + /* comment through to escaped newline is skipped */ } + YY_BREAK +case 5: +/* rule 5 can match eol */ +YY_RULE_SETUP +#line 69 "../../../gmp/demos/calc/calclex.l" +{ /* comment through to newline is a separator */ + calc_more_input = 0; + return EOS; } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 72 "../../../gmp/demos/calc/calclex.l" +{ /* comment through to EOF skipped */ } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 75 "../../../gmp/demos/calc/calclex.l" +{ return yytext[0]; } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 76 "../../../gmp/demos/calc/calclex.l" +{ return LE; } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 77 "../../../gmp/demos/calc/calclex.l" +{ return GE; } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 78 "../../../gmp/demos/calc/calclex.l" +{ return EQ; } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 79 "../../../gmp/demos/calc/calclex.l" +{ return NE; } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 80 "../../../gmp/demos/calc/calclex.l" +{ return LSHIFT; } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 81 "../../../gmp/demos/calc/calclex.l" +{ return RSHIFT; } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 82 "../../../gmp/demos/calc/calclex.l" +{ return LAND; } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 83 "../../../gmp/demos/calc/calclex.l" +{ return LOR; } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 85 "../../../gmp/demos/calc/calclex.l" +{ + yylval.str = yytext; + return NUMBER; } + YY_BREAK +case 17: +YY_RULE_SETUP +#line 89 "../../../gmp/demos/calc/calclex.l" +{ + int i; + + for (i = 0; calc_keywords[i].name != NULL; i++) + if (strcmp (yytext, calc_keywords[i].name) == 0) + return calc_keywords[i].value; + + if (yytext[0] >= 'a' && yytext[0] <= 'z' && yytext[1] == '\0') + { + yylval.var = yytext[0] - 'a'; + return VARIABLE; + } + + return BAD; +} + YY_BREAK +case 18: +YY_RULE_SETUP +#line 105 "../../../gmp/demos/calc/calclex.l" +{ return BAD; } + YY_BREAK +case 19: +YY_RULE_SETUP +#line 107 "../../../gmp/demos/calc/calclex.l" +ECHO; + YY_BREAK +#line 929 "calclex.c" +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + yy_size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + yy_size_t new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + yy_state_type yy_current_state; + char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 39 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + int yy_is_jam; + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 39 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 38); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_UNPUT + static void yyunput (int c, char * yy_bp ) +{ + char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up yytext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + yy_size_t number_to_move = (yy_n_chars) + 2; + char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} +#endif /* ifndef YY_NO_UNPUT */ + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +yy_size_t yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 107 "../../../gmp/demos/calc/calclex.l" + + + +int +yywrap () +{ + return 1; +} + diff --git a/gmp-6.3.0/demos/calc/calclex.l b/gmp-6.3.0/demos/calc/calclex.l new file mode 100644 index 0000000..44df848 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calclex.l @@ -0,0 +1,113 @@ +/* Lexical analyzer for calc program. + +Copyright 2000-2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + +%{ +#include +#include "calc-common.h" + + +#if WITH_READLINE +/* Let GNU flex use readline. See the calcread.c redefined input() for a + way that might work for a standard lex too. */ +#define YY_INPUT(buf,result,max_size) \ + result = calc_input (buf, max_size); +#endif + + +/* Non-zero when reading the second or subsequent line of an expression, + used to give a different prompt when using readline. */ +int calc_more_input = 0; + + +const struct calc_keywords_t calc_keywords[] = { + { "abs", ABS }, + { "bin", BIN }, + { "decimal", DECIMAL }, + { "fib", FIB }, + { "hex", HEX }, + { "help", HELP }, + { "gcd", GCD }, + { "kron", KRON }, + { "lcm", LCM }, + { "lucnum", LUCNUM }, + { "nextprime", NEXTPRIME }, + { "powm", POWM }, + { "quit", QUIT }, + { "root", ROOT }, + { "sqrt", SQRT }, + { NULL } +}; +%} + +%% + +[ \t\f] { /* white space is skipped */ } + +[;\n] { /* semicolon or newline separates statements */ + calc_more_input = 0; + return EOS; } +\\\n { /* escaped newlines are skipped */ } + + +#(([^\\\n]*)\\)+\n { + /* comment through to escaped newline is skipped */ } +#[^\n]*\n { /* comment through to newline is a separator */ + calc_more_input = 0; + return EOS; } +#[^\n]* { /* comment through to EOF skipped */ } + + +[-+*/%()<>^!=,] { return yytext[0]; } +"<=" { return LE; } +">=" { return GE; } +"==" { return EQ; } +"!=" { return NE; } +"<<" { return LSHIFT; } +">>" { return RSHIFT; } +"&&" { return LAND; } +"||" { return LOR; } + +(0[xX])?[0-9A-F]+ { + yylval.str = yytext; + return NUMBER; } + +[a-zA-Z][a-zA-Z0-9]* { + int i; + + for (i = 0; calc_keywords[i].name != NULL; i++) + if (strcmp (yytext, calc_keywords[i].name) == 0) + return calc_keywords[i].value; + + if (yytext[0] >= 'a' && yytext[0] <= 'z' && yytext[1] == '\0') + { + yylval.var = yytext[0] - 'a'; + return VARIABLE; + } + + return BAD; +} + +. { return BAD; } + +%% + +int +yywrap () +{ + return 1; +} diff --git a/gmp-6.3.0/demos/calc/calcread.c b/gmp-6.3.0/demos/calc/calcread.c new file mode 100644 index 0000000..4043368 --- /dev/null +++ b/gmp-6.3.0/demos/calc/calcread.c @@ -0,0 +1,146 @@ +/* Readline support for calc program. + +Copyright 2000, 2001 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +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 https://www.gnu.org/licenses/. */ + +#include "calc-common.h" + +#if WITH_READLINE +#include /* for FILE for old versions of readline/readline.h */ +#include /* for free */ +#include /* for strdup */ +#include /* for isatty */ +#include +#include + +#include "gmp.h" + + +/* change this to "#define TRACE(x) x" for a few diagnostics */ +#define TRACE(x) + + +#define MIN(x,y) ((x) < (y) ? (x) : (y)) + +char * +calc_completion_entry (const char *text, int state) +{ + static int index, len; + char *name; + + if (!state) + { + index = 0; + len = strlen (text); + } + TRACE (printf ("calc_completion_entry %s %d, index=%d len=%d\n", + text, state, index, len)); + while ((name = calc_keywords[index].name) != NULL) + { + index++; + if (memcmp (name, text, len) == 0) + return (strdup (name)); + } + return NULL; +} + +void +calc_init_readline (void) +{ + /* By default use readline when the input is a tty. It's a bit contrary + to the GNU interface conventions to make the behaviour depend on where + the input is coming from, but this is pretty convenient. */ + if (calc_option_readline == -1) + { + calc_option_readline = isatty (fileno (stdin)); + TRACE (printf ("calc_option_readline %d\n", calc_option_readline)); + } + + if (calc_option_readline) + { + printf ("GNU MP demo calculator program, gmp version %s\n", gmp_version); + printf ("Type \"help\" for help.\n"); + rl_readline_name = "gmp-calc"; + rl_completion_entry_function = calc_completion_entry; + } +} + + +/* This function is supposed to return YY_NULL to indicate EOF, but that + constant is only in calclex.c and we don't want to clutter calclex.l with + this readline stuff, so instead just hard code 0 for YY_NULL. That's + it's defined value on unix anyway. */ + +int +calc_input (char *buf, size_t max_size) +{ + if (calc_option_readline) + { + static char *line = NULL; + static size_t line_size = 0; + static size_t upto = 0; + size_t copy_size; + + if (upto >= line_size) + { + if (line != NULL) + free (line); + + line = readline (calc_more_input ? "more> " : "> "); + calc_more_input = 1; + if (line == NULL) + return 0; + TRACE (printf ("readline: %s\n", line)); + + if (line[0] != '\0') + add_history (line); + + line_size = strlen (line); + line[line_size] = '\n'; + line_size++; + upto = 0; + } + + copy_size = MIN (line_size-upto, max_size); + memcpy (buf, line+upto, copy_size); + upto += copy_size; + return copy_size; + } + else + { + /* not readline */ + return fread (buf, 1, max_size, stdin); + } +} + + +/* This redefined input() might let a traditional lex use the readline + support here. Apparently POSIX doesn't specify whether an override like + this will work, so maybe it'll work or maybe it won't. This function is + also not particularly efficient, but don't worry about that, since flex + is the preferred parser. */ + +int +input (void) +{ + char c; + if (calc_input (&c, 1) != 1) + return EOF; + else + return (int) c; +} + +#endif /* WITH_READLINE */ -- cgit v1.2.3