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/* Header for expression evaluation.
Copyright 2000, 2001, 2002, 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 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.
The GNU MP Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
#ifndef __EXPR_H__
#define __EXPR_H__
#define MPEXPR_RESULT_OK 0
#define MPEXPR_RESULT_BAD_VARIABLE 1
#define MPEXPR_RESULT_BAD_TABLE 2
#define MPEXPR_RESULT_PARSE_ERROR 3
#define MPEXPR_RESULT_NOT_UI 4
/* basic types */
#define MPEXPR_TYPE_NARY(n) ((n) * 0x0100)
#define MPEXPR_TYPE_MASK_ARGCOUNT MPEXPR_TYPE_NARY(0xF)
#define MPEXPR_TYPE_0ARY MPEXPR_TYPE_NARY(0)
#define MPEXPR_TYPE_UNARY MPEXPR_TYPE_NARY(1)
#define MPEXPR_TYPE_BINARY MPEXPR_TYPE_NARY(2)
#define MPEXPR_TYPE_TERNARY MPEXPR_TYPE_NARY(3)
/* options for all */
#define MPEXPR_TYPE_LAST_UI 0x0010
#define MPEXPR_TYPE_RESULT_INT 0x0020
#define MPEXPR_TYPE_MASK_ARGSTYLE 0x0030
#define MPEXPR_TYPE_UNARY_UI (MPEXPR_TYPE_UNARY | MPEXPR_TYPE_LAST_UI)
#define MPEXPR_TYPE_I_UNARY (MPEXPR_TYPE_UNARY | MPEXPR_TYPE_RESULT_INT)
#define MPEXPR_TYPE_I_UNARY_UI (MPEXPR_TYPE_I_UNARY | MPEXPR_TYPE_LAST_UI)
#define MPEXPR_TYPE_BINARY_UI (MPEXPR_TYPE_BINARY | MPEXPR_TYPE_LAST_UI)
#define MPEXPR_TYPE_I_BINARY (MPEXPR_TYPE_BINARY | MPEXPR_TYPE_RESULT_INT)
#define MPEXPR_TYPE_I_BINARY_UI (MPEXPR_TYPE_I_BINARY| MPEXPR_TYPE_LAST_UI)
#define MPEXPR_TYPE_TERNARY_UI (MPEXPR_TYPE_TERNARY | MPEXPR_TYPE_LAST_UI)
#define MPEXPR_TYPE_I_TERNARY (MPEXPR_TYPE_TERNARY | MPEXPR_TYPE_RESULT_INT)
#define MPEXPR_TYPE_I_TERNARY_UI (MPEXPR_TYPE_I_TERNARY|MPEXPR_TYPE_LAST_UI)
/* 0ary with options */
#define MPEXPR_TYPE_CONSTANT (MPEXPR_TYPE_0ARY | 0x0040)
/* unary options */
#define MPEXPR_TYPE_PREFIX 0x0040
/* binary options */
#define MPEXPR_TYPE_RIGHTASSOC 0x0040
#define MPEXPR_TYPE_PAIRWISE 0x0080
#define MPEXPR_TYPE_MASK_SPECIAL 0x000F
/* unary specials */
#define MPEXPR_TYPE_NEW_TABLE (MPEXPR_TYPE_UNARY | 0x001)
#define MPEXPR_TYPE_DONE (MPEXPR_TYPE_UNARY | 0x002)
#define MPEXPR_TYPE_VARIABLE (MPEXPR_TYPE_UNARY | 0x003)
#define MPEXPR_TYPE_LOGICAL_NOT (MPEXPR_TYPE_UNARY | 0x004)
#define MPEXPR_TYPE_CLOSEPAREN (MPEXPR_TYPE_UNARY | 0x005)
#define MPEXPR_TYPE_OPENPAREN (MPEXPR_TYPE_CLOSEPAREN | MPEXPR_TYPE_PREFIX)
/* binary specials */
#define MPEXPR_TYPE_LOGICAL_AND (MPEXPR_TYPE_BINARY | 0x001)
#define MPEXPR_TYPE_LOGICAL_OR (MPEXPR_TYPE_BINARY | 0x002)
#define MPEXPR_TYPE_ARGSEP (MPEXPR_TYPE_BINARY | 0x003)
#define MPEXPR_TYPE_QUESTION (MPEXPR_TYPE_BINARY | 0x004)
#define MPEXPR_TYPE_COLON (MPEXPR_TYPE_BINARY | 0x005)
#define MPEXPR_TYPE_MAX (MPEXPR_TYPE_BINARY | 0x006)
#define MPEXPR_TYPE_MIN (MPEXPR_TYPE_BINARY | 0x007)
#define MPEXPR_TYPE_MASK_CMP 0x008
#define MPEXPR_TYPE_MASK_CMP_LT 0x001
#define MPEXPR_TYPE_MASK_CMP_EQ 0x002
#define MPEXPR_TYPE_MASK_CMP_GT 0x004
#define MPEXPR_TYPE_CMP_LT (MPEXPR_TYPE_BINARY | MPEXPR_TYPE_MASK_CMP \
| MPEXPR_TYPE_MASK_CMP_LT)
#define MPEXPR_TYPE_CMP_EQ (MPEXPR_TYPE_BINARY | MPEXPR_TYPE_MASK_CMP \
| MPEXPR_TYPE_MASK_CMP_EQ)
#define MPEXPR_TYPE_CMP_GT (MPEXPR_TYPE_BINARY | MPEXPR_TYPE_MASK_CMP \
| MPEXPR_TYPE_MASK_CMP_GT)
#define MPEXPR_TYPE_CMP_LE (MPEXPR_TYPE_CMP_LT | MPEXPR_TYPE_MASK_CMP_EQ)
#define MPEXPR_TYPE_CMP_NE (MPEXPR_TYPE_CMP_LT | MPEXPR_TYPE_MASK_CMP_GT)
#define MPEXPR_TYPE_CMP_GE (MPEXPR_TYPE_CMP_GT | MPEXPR_TYPE_MASK_CMP_EQ)
/* parse options */
#define MPEXPR_TYPE_WHOLEWORD 0x1000
#define MPEXPR_TYPE_OPERATOR 0x2000
typedef void (*mpexpr_fun_t) (void);
struct mpexpr_operator_t {
__gmp_const char *name;
mpexpr_fun_t fun;
int type;
int precedence;
};
int mpf_expr_a (__gmp_const struct mpexpr_operator_t *, mpf_ptr, int,
unsigned long,__gmp_const char *, size_t, mpf_srcptr [26]);
int mpf_expr (mpf_ptr, int, __gmp_const char *, ...);
int mpq_expr_a (__gmp_const struct mpexpr_operator_t *, mpq_ptr,
int, __gmp_const char *, size_t, mpq_srcptr [26]);
int mpq_expr (mpq_ptr, int, __gmp_const char *, ...);
int mpz_expr_a (__gmp_const struct mpexpr_operator_t *, mpz_ptr, int,
__gmp_const char *, size_t, mpz_srcptr [26]);
int mpz_expr (mpz_ptr, int, __gmp_const char *, ...);
#endif
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