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opcodes.js
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opcodes.js
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"use strict";
// Bytecode instruction opcodes.
const opcodes = {
// Stack Manipulation
/** @deprecated Unused */
PUSH: 0, // PUSH c
PUSH_EMPTY_STRING: 35, // PUSH_EMPTY_STRING
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
PLUCK: 36, // PLUCK n, k, p1, ..., pK
// Conditions and Loops
IF: 13, // IF t, f
IF_ERROR: 14, // IF_ERROR t, f
IF_NOT_ERROR: 15, // IF_NOT_ERROR t, f
IF_LT: 30, // IF_LT min, t, f
IF_GE: 31, // IF_GE max, t, f
IF_LT_DYNAMIC: 32, // IF_LT_DYNAMIC min, t, f
IF_GE_DYNAMIC: 33, // IF_GE_DYNAMIC max, 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_CHAR_CLASS: 20, // MATCH_CHAR_CLASS c, a, f, ...
/** @deprecated Replaced with `MATCH_CHAR_CLASS` */
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
LIBRARY_RULE: 41, // LIBRARY_RULE moduleIndex, whatIndex
// Failure Reporting
SILENT_FAILS_ON: 28, // SILENT_FAILS_ON
SILENT_FAILS_OFF: 29, // SILENT_FAILS_OFF
// Because the tests have hard-coded opcode numbers, don't renumber
// existing opcodes. New opcodes that have been put in the correct
// sections above are repeated here in order to ensure we don't
// reuse them.
//
// IF_LT: 30
// IF_GE: 31
// IF_LT_DYNAMIC: 32
// IF_GE_DYNAMIC: 33
// 34 reserved for @mingun
// PUSH_EMPTY_STRING: 35
// PLUCK: 36
SOURCE_MAP_PUSH: 37, // SOURCE_MAP_PUSH loc-index
SOURCE_MAP_POP: 38, // SOURCE_MAP_POP
SOURCE_MAP_LABEL_PUSH: 39, // SOURCE_MAP_LABEL_PUSH sp, literal-index, loc-index
SOURCE_MAP_LABEL_POP: 40, // SOURCE_MAP_LABEL_POP sp
// LIBRARY_RULE: 41,
};
module.exports = opcodes;