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phpeggy

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PHP target for Peggy parser generator

github.com/marcelbolten/phpeggy

marcelbolten/phpeggy

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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 // 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 Mapping is not implemented for php however the opcodes are used by peggy * * 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, * MATCH_UNICODE_CLASS: 42, * */ }; module.exports = opcodes;