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/*
* *****************************************************************************
*
* Copyright 2018 Gavin D. Howard
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* *****************************************************************************
*
* Definitions for bc programs.
*
*/
#ifndef BC_PROGRAM_H
#define BC_PROGRAM_H
#include <stdbool.h>
#include <stdint.h>
#include <bc.h>
#include <lang.h>
#define BC_PROGRAM_BUF_SIZE (1024)
typedef struct BcProgram {
BcVec ip_stack;
size_t scale;
BcNum ibase;
size_t ibase_t;
BcNum obase;
size_t obase_t;
long base_max;
long dim_max;
long scale_max;
long string_max;
BcVec expr_stack;
BcVec stack;
BcVec funcs;
BcVecO func_map;
BcVec vars;
BcVecO var_map;
BcVec arrays;
BcVecO array_map;
BcVec strings;
BcVec constants;
const char *file;
BcNum last;
BcNum zero;
BcNum one;
char *num_buf;
size_t buf_size;
size_t nchars;
} BcProgram;
#define BC_PROGRAM_CHECK_STACK(p) ((p)->stack.len > 1)
#define BC_PROGRAM_CHECK_EXPR_STACK(p, l) ((p)->expr_stack.len >= (l))
#define BC_PROGRAM_MAIN (0)
#define BC_PROGRAM_READ (1)
#define BC_PROGRAM_SEARCH_VAR (1<<0)
#define BC_PROGRAM_SEARCH_ARRAY_ONLY (1<<1)
typedef BcStatus (*BcProgramExecFunc)(BcProgram*);
typedef unsigned long (*BcProgramBuiltInFunc)(BcNum*);
typedef void (*BcNumInitFunc)(BcNum*);
// ** Exclude start. **
BcStatus bc_program_init(BcProgram *p);
void bc_program_limits(BcProgram *p);
BcStatus bc_program_print(BcProgram *p);
void bc_program_free(BcProgram *program);
// ** Exclude end. **
BcStatus bc_program_addFunc(BcProgram *p, char *name, size_t *idx);
BcStatus bc_program_exec(BcProgram *p);
extern const char *bc_program_byte_fmt;
extern const BcNumBinaryFunc bc_program_math_ops[];
extern const char *bc_program_stdin_name;
extern const char *bc_program_ready_prompt;
extern const char *bc_program_sigint_msg;
#endif // BC_PROGRAM_H