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60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
"use strict";
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// Bytecode instruction opcodes.
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const opcodes = {
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// Stack Manipulation
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PUSH_EMPTY_STRING: 0, // PUSH_EMPTY_STRING
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PUSH_UNDEFINED: 1, // PUSH_UNDEFINED
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PUSH_NULL: 2, // PUSH_NULL
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PUSH_FAILED: 3, // PUSH_FAILED
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PUSH_EMPTY_ARRAY: 4, // PUSH_EMPTY_ARRAY
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PUSH_CURR_POS: 5, // PUSH_CURR_POS
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POP: 6, // POP
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POP_CURR_POS: 7, // POP_CURR_POS
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POP_N: 8, // POP_N n
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NIP: 9, // NIP
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APPEND: 10, // APPEND
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WRAP: 11, // WRAP n
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TEXT: 12, // TEXT
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// Conditions and Loops
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IF: 13, // IF t, f
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IF_ERROR: 14, // IF_ERROR t, f
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IF_NOT_ERROR: 15, // IF_NOT_ERROR t, f
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WHILE_NOT_ERROR: 16, // WHILE_NOT_ERROR b
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// Matching
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MATCH_ANY: 17, // MATCH_ANY a, f, ...
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MATCH_STRING: 18, // MATCH_STRING s, a, f, ...
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MATCH_STRING_IC: 19, // MATCH_STRING_IC s, a, f, ...
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MATCH_CLASS: 20, // MATCH_CLASS c, a, f, ...
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ACCEPT_N: 21, // ACCEPT_N n
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ACCEPT_STRING: 22, // ACCEPT_STRING s
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EXPECT: 23, // EXPECT e
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// Calls
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LOAD_SAVED_POS: 24, // LOAD_SAVED_POS p
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UPDATE_SAVED_POS: 25, // UPDATE_SAVED_POS
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CALL: 26, // CALL f, n, pc, p1, p2, ..., pN
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// Rules
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RULE: 27, // RULE r
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// Failure Reporting
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SILENT_FAILS_ON: 28, // SILENT_FAILS_ON
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SILENT_FAILS_OFF: 29, // SILENT_FAILS_OFF
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EXPECT_NS_BEGIN: 38, // EXPECT_NS_BEGIN
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EXPECT_NS_END: 39 // EXPECT_NS_END invert
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};
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module.exports = opcodes;
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