tree-sitter/examples/parsers/arithmetic.c
Max Brunsfeld e1ac62edc5 Give better symbol names to generated tokens
This should make debugging easier
2014-03-27 12:54:54 -07:00

499 lines
13 KiB
C

#include "tree_sitter/parser.h"
STATE_COUNT = 52;
SYMBOL_COUNT = 11;
enum {
ts_sym_expression = 2,
ts_sym_factor = 3,
ts_sym_number = 4,
ts_sym_plus = 5,
ts_sym_term = 6,
ts_sym_times = 7,
ts_sym_variable = 8,
ts_aux_sym_token1 = 9,
ts_aux_sym_token2 = 10,
};
SYMBOL_NAMES = {
[ts_sym_expression] = "expression",
[ts_sym_factor] = "factor",
[ts_sym_number] = "number",
[ts_sym_plus] = "plus",
[ts_sym_term] = "term",
[ts_sym_times] = "times",
[ts_sym_variable] = "variable",
[ts_aux_sym_token1] = "'('",
[ts_aux_sym_token2] = "')'",
[ts_builtin_sym_end] = "end",
[ts_builtin_sym_error] = "error",
};
HIDDEN_SYMBOLS = {
[ts_aux_sym_token1] = 1,
[ts_aux_sym_token2] = 1,
};
LEX_FN() {
START_LEXER();
switch (lex_state) {
case 0:
LEX_ERROR();
case 1:
if (lookahead == '+')
ADVANCE(2);
LEX_ERROR();
case 2:
ACCEPT_TOKEN(ts_sym_plus);
case 3:
if (lookahead == ')')
ADVANCE(4);
LEX_ERROR();
case 4:
ACCEPT_TOKEN(ts_aux_sym_token2);
case 5:
if (lookahead == ')')
ADVANCE(4);
if (lookahead == '+')
ADVANCE(2);
LEX_ERROR();
case 6:
if (lookahead == ')')
ADVANCE(4);
if (lookahead == '*')
ADVANCE(7);
if (lookahead == '+')
ADVANCE(2);
LEX_ERROR();
case 7:
ACCEPT_TOKEN(ts_sym_times);
case 8:
if (lookahead == '(')
ADVANCE(9);
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(10);
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(12);
LEX_ERROR();
case 9:
ACCEPT_TOKEN(ts_aux_sym_token1);
case 10:
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(11);
ACCEPT_TOKEN(ts_sym_number);
case 11:
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(11);
ACCEPT_TOKEN(ts_sym_number);
case 12:
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
ACCEPT_TOKEN(ts_sym_variable);
case 13:
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
ACCEPT_TOKEN(ts_sym_variable);
case 14:
if (lookahead == ')')
ADVANCE(4);
if (lookahead == '*')
ADVANCE(7);
LEX_ERROR();
case 15:
if (lookahead == '*')
ADVANCE(7);
if (lookahead == '+')
ADVANCE(2);
LEX_ERROR();
case 16:
if (lookahead == '*')
ADVANCE(7);
LEX_ERROR();
case ts_lex_state_error:
if (lookahead == '(')
ADVANCE(9);
if (lookahead == ')')
ADVANCE(4);
if (lookahead == '*')
ADVANCE(7);
if (lookahead == '+')
ADVANCE(2);
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(10);
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(12);
LEX_ERROR();
default:
LEX_PANIC();
}
}
LEX_STATES = {
[0] = 8,
[1] = 0,
[2] = 15,
[3] = 8,
[4] = 1,
[5] = 1,
[6] = 8,
[7] = 3,
[8] = 1,
[9] = 6,
[10] = 8,
[11] = 5,
[12] = 5,
[13] = 8,
[14] = 3,
[15] = 5,
[16] = 6,
[17] = 5,
[18] = 8,
[19] = 14,
[20] = 8,
[21] = 3,
[22] = 3,
[23] = 8,
[24] = 3,
[25] = 3,
[26] = 8,
[27] = 3,
[28] = 6,
[29] = 14,
[30] = 3,
[31] = 8,
[32] = 3,
[33] = 14,
[34] = 15,
[35] = 1,
[36] = 8,
[37] = 16,
[38] = 8,
[39] = 0,
[40] = 0,
[41] = 8,
[42] = 3,
[43] = 0,
[44] = 16,
[45] = 0,
[46] = 8,
[47] = 3,
[48] = 16,
[49] = 8,
[50] = 3,
[51] = 15,
};
PARSE_TABLE = {
[0] = {
[ts_sym_expression] = SHIFT(1),
[ts_sym_factor] = SHIFT(2),
[ts_sym_number] = SHIFT(34),
[ts_sym_term] = SHIFT(35),
[ts_sym_variable] = SHIFT(34),
[ts_aux_sym_token1] = SHIFT(49),
},
[1] = {
[ts_builtin_sym_end] = ACCEPT_INPUT(),
},
[2] = {
[ts_sym_plus] = REDUCE(ts_sym_term, 1),
[ts_sym_times] = SHIFT(3),
[ts_builtin_sym_end] = REDUCE(ts_sym_term, 1),
},
[3] = {
[ts_sym_factor] = SHIFT(4),
[ts_sym_number] = SHIFT(5),
[ts_sym_variable] = SHIFT(5),
[ts_aux_sym_token1] = SHIFT(6),
},
[4] = {
[ts_sym_plus] = REDUCE(ts_sym_term, 3),
[ts_builtin_sym_end] = REDUCE(ts_sym_term, 3),
},
[5] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 1),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 1),
},
[6] = {
[ts_sym_expression] = SHIFT(7),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(7),
},
[7] = {
[ts_aux_sym_token2] = SHIFT(8),
},
[8] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 3),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 3),
},
[9] = {
[ts_sym_plus] = REDUCE(ts_sym_term, 1),
[ts_sym_times] = SHIFT(10),
[ts_aux_sym_token2] = REDUCE(ts_sym_term, 1),
},
[10] = {
[ts_sym_factor] = SHIFT(11),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token1] = SHIFT(13),
},
[11] = {
[ts_sym_plus] = REDUCE(ts_sym_term, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_term, 3),
},
[12] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 1),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 1),
},
[13] = {
[ts_sym_expression] = SHIFT(14),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(14),
},
[14] = {
[ts_aux_sym_token2] = SHIFT(15),
},
[15] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 3),
},
[16] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 1),
[ts_sym_times] = REDUCE(ts_sym_factor, 1),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 1),
},
[17] = {
[ts_sym_plus] = SHIFT(18),
[ts_aux_sym_token2] = REDUCE(ts_sym_expression, 1),
},
[18] = {
[ts_sym_factor] = SHIFT(19),
[ts_sym_number] = SHIFT(29),
[ts_sym_term] = SHIFT(30),
[ts_sym_variable] = SHIFT(29),
[ts_aux_sym_token1] = SHIFT(31),
},
[19] = {
[ts_sym_times] = SHIFT(20),
[ts_aux_sym_token2] = REDUCE(ts_sym_term, 1),
},
[20] = {
[ts_sym_factor] = SHIFT(21),
[ts_sym_number] = SHIFT(22),
[ts_sym_variable] = SHIFT(22),
[ts_aux_sym_token1] = SHIFT(23),
},
[21] = {
[ts_aux_sym_token2] = REDUCE(ts_sym_term, 3),
},
[22] = {
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 1),
},
[23] = {
[ts_sym_expression] = SHIFT(24),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(24),
},
[24] = {
[ts_aux_sym_token2] = SHIFT(25),
},
[25] = {
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 3),
},
[26] = {
[ts_sym_expression] = SHIFT(27),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(27),
},
[27] = {
[ts_aux_sym_token2] = SHIFT(28),
},
[28] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 3),
[ts_sym_times] = REDUCE(ts_sym_factor, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 3),
},
[29] = {
[ts_sym_times] = REDUCE(ts_sym_factor, 1),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 1),
},
[30] = {
[ts_aux_sym_token2] = REDUCE(ts_sym_expression, 3),
},
[31] = {
[ts_sym_expression] = SHIFT(32),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(32),
},
[32] = {
[ts_aux_sym_token2] = SHIFT(33),
},
[33] = {
[ts_sym_times] = REDUCE(ts_sym_factor, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_factor, 3),
},
[34] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 1),
[ts_sym_times] = REDUCE(ts_sym_factor, 1),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 1),
},
[35] = {
[ts_sym_plus] = SHIFT(36),
[ts_builtin_sym_end] = REDUCE(ts_sym_expression, 1),
},
[36] = {
[ts_sym_factor] = SHIFT(37),
[ts_sym_number] = SHIFT(44),
[ts_sym_term] = SHIFT(45),
[ts_sym_variable] = SHIFT(44),
[ts_aux_sym_token1] = SHIFT(46),
},
[37] = {
[ts_sym_times] = SHIFT(38),
[ts_builtin_sym_end] = REDUCE(ts_sym_term, 1),
},
[38] = {
[ts_sym_factor] = SHIFT(39),
[ts_sym_number] = SHIFT(40),
[ts_sym_variable] = SHIFT(40),
[ts_aux_sym_token1] = SHIFT(41),
},
[39] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_term, 3),
},
[40] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 1),
},
[41] = {
[ts_sym_expression] = SHIFT(42),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(42),
},
[42] = {
[ts_aux_sym_token2] = SHIFT(43),
},
[43] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 3),
},
[44] = {
[ts_sym_times] = REDUCE(ts_sym_factor, 1),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 1),
},
[45] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_expression, 3),
},
[46] = {
[ts_sym_expression] = SHIFT(47),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(47),
},
[47] = {
[ts_aux_sym_token2] = SHIFT(48),
},
[48] = {
[ts_sym_times] = REDUCE(ts_sym_factor, 3),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 3),
},
[49] = {
[ts_sym_expression] = SHIFT(50),
[ts_sym_factor] = SHIFT(9),
[ts_sym_number] = SHIFT(16),
[ts_sym_term] = SHIFT(17),
[ts_sym_variable] = SHIFT(16),
[ts_aux_sym_token1] = SHIFT(26),
[ts_builtin_sym_error] = SHIFT(50),
},
[50] = {
[ts_aux_sym_token2] = SHIFT(51),
},
[51] = {
[ts_sym_plus] = REDUCE(ts_sym_factor, 3),
[ts_sym_times] = REDUCE(ts_sym_factor, 3),
[ts_builtin_sym_end] = REDUCE(ts_sym_factor, 3),
},
};
EXPORT_PARSER(ts_parser_arithmetic);