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55 lines
1.5 KiB
JavaScript

"use strict";
// Bytecode instruction opcodes.
let opcodes = {
// Stack Manipulation
PUSH: 0, // PUSH c
PUSH_UNDEFINED: 1, // PUSH_UNDEFINED
PUSH_NULL: 2, // PUSH_NULL
PUSH_FAILED: 3, // PUSH_FAILED
PUSH_EMPTY_ARRAY: 4, // PUSH_EMPTY_ARRAY
PUSH_CURR_POS: 5, // PUSH_CURR_POS
POP: 6, // POP
POP_CURR_POS: 7, // POP_CURR_POS
POP_N: 8, // POP_N n
NIP: 9, // NIP
APPEND: 10, // APPEND
WRAP: 11, // WRAP n
TEXT: 12, // TEXT
// Conditions and Loops
IF: 13, // IF t, f
IF_ERROR: 14, // IF_ERROR t, f
IF_NOT_ERROR: 15, // IF_NOT_ERROR t, f
WHILE_NOT_ERROR: 16, // WHILE_NOT_ERROR b
// Matching
MATCH_ANY: 17, // MATCH_ANY a, f, ...
MATCH_STRING: 18, // MATCH_STRING s, a, f, ...
MATCH_STRING_IC: 19, // MATCH_STRING_IC s, a, f, ...
MATCH_REGEXP: 20, // MATCH_REGEXP r, a, f, ...
ACCEPT_N: 21, // ACCEPT_N n
ACCEPT_STRING: 22, // ACCEPT_STRING s
FAIL: 23, // FAIL e
// Calls
LOAD_SAVED_POS: 24, // LOAD_SAVED_POS p
UPDATE_SAVED_POS: 25, // UPDATE_SAVED_POS
CALL: 26, // CALL f, n, pc, p1, p2, ..., pN
// Rules
RULE: 27, // RULE r
// Failure Reporting
SILENT_FAILS_ON: 28, // SILENT_FAILS_ON
SILENT_FAILS_OFF: 29 // SILENT_FAILS_OFF
};
module.exports = opcodes;