tree-sitter/examples/parsers/arithmetic.c
2014-04-22 23:38:26 -07:00

551 lines
17 KiB
C

#include "tree_sitter/parser.h"
#define STATE_COUNT 32
#define SYMBOL_COUNT 18
enum {
ts_sym_expression = 2,
ts_sym_sum = 3,
ts_sym_difference = 4,
ts_sym_product = 5,
ts_sym_quotient = 6,
ts_sym_exponent = 7,
ts_sym_group = 8,
ts_sym_number = 9,
ts_sym_variable = 10,
ts_aux_sym_token0 = 11,
ts_aux_sym_token1 = 12,
ts_aux_sym_token2 = 13,
ts_aux_sym_token3 = 14,
ts_aux_sym_token4 = 15,
ts_aux_sym_token5 = 16,
ts_aux_sym_token6 = 17,
};
SYMBOL_NAMES = {
[ts_sym_expression] = "expression",
[ts_sym_sum] = "sum",
[ts_sym_difference] = "difference",
[ts_sym_product] = "product",
[ts_sym_quotient] = "quotient",
[ts_sym_exponent] = "exponent",
[ts_sym_group] = "group",
[ts_builtin_sym_error] = "error",
[ts_builtin_sym_end] = "end",
[ts_sym_number] = "number",
[ts_sym_variable] = "variable",
[ts_aux_sym_token0] = "'+'",
[ts_aux_sym_token1] = "'-'",
[ts_aux_sym_token2] = "'*'",
[ts_aux_sym_token3] = "'/'",
[ts_aux_sym_token4] = "'^'",
[ts_aux_sym_token5] = "'('",
[ts_aux_sym_token6] = "')'",
};
HIDDEN_SYMBOLS = {
[ts_aux_sym_token0] = 1,
[ts_aux_sym_token1] = 1,
[ts_aux_sym_token2] = 1,
[ts_aux_sym_token3] = 1,
[ts_aux_sym_token4] = 1,
[ts_aux_sym_token5] = 1,
[ts_aux_sym_token6] = 1,
};
LEX_FN() {
START_LEXER();
switch (lex_state) {
case 0:
START_TOKEN();
if (lookahead == '\0')
ADVANCE(1);
if (('\t' <= lookahead && lookahead <= '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(0);
if (lookahead == '*')
ADVANCE(2);
if (lookahead == '+')
ADVANCE(3);
if (lookahead == '-')
ADVANCE(4);
if (lookahead == '/')
ADVANCE(5);
if (lookahead == '^')
ADVANCE(6);
LEX_ERROR();
case 1:
ACCEPT_TOKEN(ts_builtin_sym_end);
case 2:
ACCEPT_TOKEN(ts_aux_sym_token2);
case 3:
ACCEPT_TOKEN(ts_aux_sym_token0);
case 4:
ACCEPT_TOKEN(ts_aux_sym_token1);
case 5:
ACCEPT_TOKEN(ts_aux_sym_token3);
case 6:
ACCEPT_TOKEN(ts_aux_sym_token4);
case 7:
START_TOKEN();
if (('\t' <= lookahead && lookahead <= '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(7);
if (lookahead == ')')
ADVANCE(8);
if (lookahead == '*')
ADVANCE(2);
if (lookahead == '+')
ADVANCE(3);
if (lookahead == '-')
ADVANCE(4);
if (lookahead == '/')
ADVANCE(5);
if (lookahead == '^')
ADVANCE(6);
LEX_ERROR();
case 8:
ACCEPT_TOKEN(ts_aux_sym_token6);
case 9:
START_TOKEN();
if ((lookahead == '\t') ||
(lookahead == '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(9);
if (lookahead == ')')
ADVANCE(8);
LEX_ERROR();
case 10:
START_TOKEN();
if (('\t' <= lookahead && lookahead <= '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(10);
if (lookahead == '(')
ADVANCE(11);
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(12);
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
LEX_ERROR();
case 11:
ACCEPT_TOKEN(ts_aux_sym_token5);
case 12:
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(12);
ACCEPT_TOKEN(ts_sym_number);
case 13:
if (('0' <= lookahead && lookahead <= '9') ||
('A' <= lookahead && lookahead <= 'Z') ||
(lookahead == '_') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
ACCEPT_TOKEN(ts_sym_variable);
case 14:
START_TOKEN();
if (lookahead == '\0')
ADVANCE(1);
if (('\t' <= lookahead && lookahead <= '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(14);
if (lookahead == '(')
ADVANCE(11);
if (lookahead == ')')
ADVANCE(8);
if (lookahead == '*')
ADVANCE(2);
if (lookahead == '+')
ADVANCE(3);
if (lookahead == '-')
ADVANCE(4);
if (lookahead == '/')
ADVANCE(5);
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(12);
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
if (lookahead == '^')
ADVANCE(6);
LEX_ERROR();
case ts_lex_state_error:
if (lookahead == '\0')
ADVANCE(1);
if (('\t' <= lookahead && lookahead <= '\n') ||
(lookahead == '\r') ||
(lookahead == ' '))
ADVANCE(14);
if (lookahead == '(')
ADVANCE(11);
if (lookahead == ')')
ADVANCE(8);
if (lookahead == '*')
ADVANCE(2);
if (lookahead == '+')
ADVANCE(3);
if (lookahead == '-')
ADVANCE(4);
if (lookahead == '/')
ADVANCE(5);
if ('0' <= lookahead && lookahead <= '9')
ADVANCE(12);
if (('A' <= lookahead && lookahead <= 'Z') ||
('a' <= lookahead && lookahead <= 'z'))
ADVANCE(13);
if (lookahead == '^')
ADVANCE(6);
LEX_ERROR();
default:
LEX_PANIC();
}
}
LEX_STATES = {
[0] = 10,
[1] = 0,
[2] = 10,
[3] = 0,
[4] = 10,
[5] = 0,
[6] = 10,
[7] = 0,
[8] = 10,
[9] = 0,
[10] = 10,
[11] = 0,
[12] = 0,
[13] = 10,
[14] = 7,
[15] = 10,
[16] = 7,
[17] = 10,
[18] = 7,
[19] = 10,
[20] = 7,
[21] = 10,
[22] = 7,
[23] = 10,
[24] = 7,
[25] = 7,
[26] = 10,
[27] = 7,
[28] = 7,
[29] = 9,
[30] = 0,
[31] = 9,
};
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
PARSE_TABLE = {
[0] = {
[ts_sym_expression] = SHIFT(1),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[1] = {
[ts_builtin_sym_end] = ACCEPT_INPUT(),
[ts_aux_sym_token0] = SHIFT(2),
[ts_aux_sym_token1] = SHIFT(4),
[ts_aux_sym_token2] = SHIFT(6),
[ts_aux_sym_token3] = SHIFT(8),
[ts_aux_sym_token4] = SHIFT(10),
},
[2] = {
[ts_sym_expression] = SHIFT(3),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[3] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_sum, 3),
[ts_aux_sym_token0] = SHIFT(2),
[ts_aux_sym_token1] = SHIFT(4),
[ts_aux_sym_token2] = SHIFT(6),
[ts_aux_sym_token3] = SHIFT(8),
[ts_aux_sym_token4] = SHIFT(10),
},
[4] = {
[ts_sym_expression] = SHIFT(5),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[5] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_difference, 3),
[ts_aux_sym_token0] = SHIFT(2),
[ts_aux_sym_token1] = SHIFT(4),
[ts_aux_sym_token2] = SHIFT(6),
[ts_aux_sym_token3] = SHIFT(8),
[ts_aux_sym_token4] = SHIFT(10),
},
[6] = {
[ts_sym_expression] = SHIFT(7),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[7] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_product, 3),
[ts_aux_sym_token0] = REDUCE(ts_sym_product, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_product, 3),
[ts_aux_sym_token2] = SHIFT(6),
[ts_aux_sym_token3] = SHIFT(8),
[ts_aux_sym_token4] = SHIFT(10),
},
[8] = {
[ts_sym_expression] = SHIFT(9),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[9] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_quotient, 3),
[ts_aux_sym_token0] = REDUCE(ts_sym_quotient, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_quotient, 3),
[ts_aux_sym_token2] = SHIFT(6),
[ts_aux_sym_token3] = SHIFT(8),
[ts_aux_sym_token4] = SHIFT(10),
},
[10] = {
[ts_sym_expression] = SHIFT(11),
[ts_sym_sum] = SHIFT(12),
[ts_sym_difference] = SHIFT(12),
[ts_sym_product] = SHIFT(12),
[ts_sym_quotient] = SHIFT(12),
[ts_sym_exponent] = SHIFT(12),
[ts_sym_group] = SHIFT(12),
[ts_sym_number] = SHIFT(12),
[ts_sym_variable] = SHIFT(12),
[ts_aux_sym_token5] = SHIFT(13),
},
[11] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token0] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token3] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token4] = SHIFT(10),
},
[12] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token0] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token1] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token2] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token3] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token4] = REDUCE(ts_sym_expression, 1),
},
[13] = {
[ts_sym_expression] = SHIFT(14),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_builtin_sym_error] = SHIFT(31),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[14] = {
[ts_aux_sym_token0] = SHIFT(15),
[ts_aux_sym_token1] = SHIFT(17),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = SHIFT(30),
},
[15] = {
[ts_sym_expression] = SHIFT(16),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[16] = {
[ts_aux_sym_token0] = SHIFT(15),
[ts_aux_sym_token1] = SHIFT(17),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = REDUCE(ts_sym_sum, 3),
},
[17] = {
[ts_sym_expression] = SHIFT(18),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[18] = {
[ts_aux_sym_token0] = SHIFT(15),
[ts_aux_sym_token1] = SHIFT(17),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = REDUCE(ts_sym_difference, 3),
},
[19] = {
[ts_sym_expression] = SHIFT(20),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[20] = {
[ts_aux_sym_token0] = REDUCE(ts_sym_product, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_product, 3),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = REDUCE(ts_sym_product, 3),
},
[21] = {
[ts_sym_expression] = SHIFT(22),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[22] = {
[ts_aux_sym_token0] = REDUCE(ts_sym_quotient, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_quotient, 3),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = REDUCE(ts_sym_quotient, 3),
},
[23] = {
[ts_sym_expression] = SHIFT(24),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[24] = {
[ts_aux_sym_token0] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token3] = REDUCE(ts_sym_exponent, 3),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = REDUCE(ts_sym_exponent, 3),
},
[25] = {
[ts_aux_sym_token0] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token1] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token2] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token3] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token4] = REDUCE(ts_sym_expression, 1),
[ts_aux_sym_token6] = REDUCE(ts_sym_expression, 1),
},
[26] = {
[ts_sym_expression] = SHIFT(27),
[ts_sym_sum] = SHIFT(25),
[ts_sym_difference] = SHIFT(25),
[ts_sym_product] = SHIFT(25),
[ts_sym_quotient] = SHIFT(25),
[ts_sym_exponent] = SHIFT(25),
[ts_sym_group] = SHIFT(25),
[ts_builtin_sym_error] = SHIFT(29),
[ts_sym_number] = SHIFT(25),
[ts_sym_variable] = SHIFT(25),
[ts_aux_sym_token5] = SHIFT(26),
},
[27] = {
[ts_aux_sym_token0] = SHIFT(15),
[ts_aux_sym_token1] = SHIFT(17),
[ts_aux_sym_token2] = SHIFT(19),
[ts_aux_sym_token3] = SHIFT(21),
[ts_aux_sym_token4] = SHIFT(23),
[ts_aux_sym_token6] = SHIFT(28),
},
[28] = {
[ts_aux_sym_token0] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token3] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token4] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token6] = REDUCE(ts_sym_group, 3),
},
[29] = {
[ts_aux_sym_token6] = SHIFT(28),
},
[30] = {
[ts_builtin_sym_end] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token0] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token1] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token2] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token3] = REDUCE(ts_sym_group, 3),
[ts_aux_sym_token4] = REDUCE(ts_sym_group, 3),
},
[31] = {
[ts_aux_sym_token6] = SHIFT(30),
},
};
#pragma GCC diagnostic pop
EXPORT_PARSER(ts_parser_arithmetic);