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/*
* Copyright (c) 2016 Cesanta Software Limited
* All rights reserved
*/
#ifndef MJS_UTIL_H_
#define MJS_UTIL_H_
#include "frozen.h"
#include "mjs_core.h"
#include "mjs_util_public.h"
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
struct mjs_bcode_part;
#if MJS_ENABLE_DEBUG
MJS_PRIVATE const char *opcodetostr(uint8_t opcode);
MJS_PRIVATE size_t mjs_disasm_single(const uint8_t *code, size_t i);
#endif
MJS_PRIVATE const char *mjs_stringify_type(enum mjs_type t);
/*
* Checks that the given argument is provided, and checks its type. If check
* fails, sets error in the mjs context, and returns 0; otherwise returns 1.
*
* If `arg_num` >= 0, checks argument; otherwise (`arg_num` is negative) checks
* `this`. `arg_name` is used for the error message only. If `parg` is not
* NULL, writes resulting value at this location in case of success.
*/
MJS_PRIVATE int mjs_check_arg(struct mjs *mjs, int arg_num,
const char *arg_name, enum mjs_type expected_type,
mjs_val_t *parg);
/*
* mjs_normalize_idx takes and index in the string and the string size, and
* returns the index which is >= 0 and <= size. Negative index is interpreted
* as size + index.
*/
MJS_PRIVATE int mjs_normalize_idx(int idx, int size);
MJS_PRIVATE const char *mjs_get_bcode_filename(struct mjs *mjs,
struct mjs_bcode_part *bp);
/* Print JS value `v` to the JSON stream `out`. */
void mjs_jprintf(mjs_val_t v, struct mjs *mjs, struct json_out *out);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#endif /* MJS_UTIL_H_ */