unleashed-firmware/lib/mjs/mjs_bcode.h
Nikolay Minaylov 0154018363
[FL-3579, FL-3601, FL-3714] JavaScript runner (#3286)
* FBT: cdefines to env, libs order
* API: strtod, modf, itoa, calloc
* Apps: elk js
* Apps: mjs
* JS: scripts as assets
* mjs: composite resolver
* mjs: stack trace
* ELK JS example removed
* MJS thread, MJS lib modified to support script interruption
* JS console UI
* Module system, BadUSB bindings rework
* JS notifications, simple dialog, BadUSB demo
* Custom dialogs, dialog demo
* MJS as system library, some dirty hacks to make it compile
* Plugin-based js modules
* js_uart(BadUART) module
* js_uart: support for byte array arguments
* Script icon and various fixes
* File browser: multiple extensions filter, running js scripts from app loader
* Running js scripts from archive browser
* JS Runner as system app
* Example scripts moved to /ext/apps/Scripts
* JS bytecode listing generation
* MJS builtin printf cleanup
* JS examples cleanup
* mbedtls version fix
* Unused lib cleanup
* Making PVS happy & TODOs cleanup
* TODOs cleanup #2
* MJS: initial typed arrays support
* JS: fix mem leak in uart destructor

Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2024-02-12 15:54:32 +07:00

105 lines
2.9 KiB
C

/*
* Copyright (c) 2017 Cesanta Software Limited
* All rights reserved
*/
#ifndef MJS_BCODE_H_
#define MJS_BCODE_H_
#include "mjs_internal.h"
#include "mjs_core.h"
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
enum mjs_opcode {
OP_NOP, /* ( -- ) */
OP_DROP, /* ( a -- ) */
OP_DUP, /* ( a -- a a ) */
OP_SWAP, /* ( a b -- b a ) */
OP_JMP, /* ( -- ) */
OP_JMP_TRUE, /* ( -- ) */
OP_JMP_NEUTRAL_TRUE, /* ( -- ) */
OP_JMP_FALSE, /* ( -- ) */
OP_JMP_NEUTRAL_FALSE, /* ( -- ) */
OP_FIND_SCOPE, /* ( a -- a b ) */
OP_PUSH_SCOPE, /* ( -- a ) */
OP_PUSH_STR, /* ( -- a ) */
OP_PUSH_TRUE, /* ( -- a ) */
OP_PUSH_FALSE, /* ( -- a ) */
OP_PUSH_INT, /* ( -- a ) */
OP_PUSH_DBL, /* ( -- a ) */
OP_PUSH_NULL, /* ( -- a ) */
OP_PUSH_UNDEF, /* ( -- a ) */
OP_PUSH_OBJ, /* ( -- a ) */
OP_PUSH_ARRAY, /* ( -- a ) */
OP_PUSH_FUNC, /* ( -- a ) */
OP_PUSH_THIS, /* ( -- a ) */
OP_GET, /* ( key obj -- obj[key] ) */
OP_CREATE, /* ( key obj -- ) */
OP_EXPR, /* ( ... -- a ) */
OP_APPEND, /* ( a b -- ) */
OP_SET_ARG, /* ( a -- a ) */
OP_NEW_SCOPE, /* ( -- ) */
OP_DEL_SCOPE, /* ( -- ) */
OP_CALL, /* ( func param1 param2 ... num_params -- result ) */
OP_RETURN, /* ( -- ) */
OP_LOOP, /* ( -- ) Push break & continue addresses to loop_labels */
OP_BREAK, /* ( -- ) */
OP_CONTINUE, /* ( -- ) */
OP_SETRETVAL, /* ( a -- ) */
OP_EXIT, /* ( -- ) */
OP_BCODE_HEADER, /* ( -- ) */
OP_ARGS, /* ( -- ) Mark the beginning of function call arguments */
OP_FOR_IN_NEXT, /* ( name obj iter_ptr -- name obj iter_ptr_next ) */
OP_MAX
};
struct pstate;
struct mjs;
MJS_PRIVATE void emit_byte(struct pstate* pstate, uint8_t byte);
MJS_PRIVATE void emit_int(struct pstate* pstate, int64_t n);
MJS_PRIVATE void emit_str(struct pstate* pstate, const char* ptr, size_t len);
/*
* Inserts provided offset `v` at the offset `offset`.
*
* Returns delta at which the code was moved; the delta can be any: 0 or
* positive or negative.
*/
MJS_PRIVATE int
mjs_bcode_insert_offset(struct pstate* p, struct mjs* mjs, size_t offset, size_t v);
/*
* Adds a new bcode part; does not retain `bp`.
*/
MJS_PRIVATE void mjs_bcode_part_add(struct mjs* mjs, const struct mjs_bcode_part* bp);
/*
* Returns bcode part by the bcode number
*/
MJS_PRIVATE struct mjs_bcode_part* mjs_bcode_part_get(struct mjs* mjs, int num);
/*
* Returns bcode part by the global bcode offset
*/
MJS_PRIVATE struct mjs_bcode_part* mjs_bcode_part_get_by_offset(struct mjs* mjs, size_t offset);
/*
* Returns a number of bcode parts
*/
MJS_PRIVATE int mjs_bcode_parts_cnt(struct mjs* mjs);
/*
* Adds the bcode being generated (mjs->bcode_gen) as a next bcode part
*/
MJS_PRIVATE void mjs_bcode_commit(struct mjs* mjs);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#endif /* MJS_BCODE_H_ */