tree-sitter/examples/parsers/json.c
2014-02-17 13:18:09 -08:00

752 lines
24 KiB
C

#include "tree_sitter/parser.h"
enum ts_symbol {
ts_symbol_array,
ts_symbol_number,
ts_symbol_object,
ts_symbol_string,
ts_symbol_value,
ts_aux_colon,
ts_aux_comma,
ts_aux_end,
ts_aux_left_brace,
ts_aux_left_bracket,
ts_aux_repeat_helper1,
ts_aux_repeat_helper2,
ts_aux_right_brace,
ts_aux_right_bracket,
};
static const char *ts_symbol_names[] = {
"array",
"number",
"object",
"string",
"value",
"colon",
"comma",
"end",
"left_brace",
"left_bracket",
"repeat_helper1",
"repeat_helper2",
"right_brace",
"right_bracket",
};
static void ts_lex(TSParser *parser) {
START_LEXER();
switch (LEX_STATE()) {
case 0:
if (LOOKAHEAD_CHAR() == '\0')
ADVANCE(1);
LEX_ERROR(1, EXPECT({"<EOF>"}));
case 1:
ACCEPT_TOKEN(ts_aux_end);
case 2:
if (LOOKAHEAD_CHAR() == ',')
ADVANCE(3);
if (LOOKAHEAD_CHAR() == '}')
ADVANCE(4);
LEX_ERROR(2, EXPECT({",", "}"}));
case 3:
ACCEPT_TOKEN(ts_aux_comma);
case 4:
ACCEPT_TOKEN(ts_aux_right_brace);
case 5:
if (LOOKAHEAD_CHAR() == '}')
ADVANCE(4);
LEX_ERROR(1, EXPECT({"}"}));
case 6:
if (LOOKAHEAD_CHAR() == ',')
ADVANCE(3);
if (LOOKAHEAD_CHAR() == ']')
ADVANCE(7);
LEX_ERROR(2, EXPECT({",", "]"}));
case 7:
ACCEPT_TOKEN(ts_aux_right_bracket);
case 8:
if (LOOKAHEAD_CHAR() == ']')
ADVANCE(7);
LEX_ERROR(1, EXPECT({"]"}));
case 9:
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(10);
if ('0' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '9')
ADVANCE(16);
if (LOOKAHEAD_CHAR() == '[')
ADVANCE(17);
if (LOOKAHEAD_CHAR() == '{')
ADVANCE(18);
LEX_ERROR(4, EXPECT({"\"", "0-9", "[", "{"}));
case 10:
if (!((LOOKAHEAD_CHAR() == '\"') ||
(LOOKAHEAD_CHAR() == '\\')))
ADVANCE(11);
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(12);
if (LOOKAHEAD_CHAR() == '\\')
ADVANCE(13);
if (']' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '\\')
ADVANCE(15);
LEX_ERROR(1, EXPECT({"<ANY>"}));
case 11:
if (!((LOOKAHEAD_CHAR() == '\"') ||
(LOOKAHEAD_CHAR() == '\\')))
ADVANCE(11);
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(12);
if (LOOKAHEAD_CHAR() == '\\')
ADVANCE(13);
if (']' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '\\')
ADVANCE(15);
LEX_ERROR(1, EXPECT({"<ANY>"}));
case 12:
ACCEPT_TOKEN(ts_symbol_string);
case 13:
if (!((LOOKAHEAD_CHAR() == '\"') ||
(LOOKAHEAD_CHAR() == '\\')))
ADVANCE(11);
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(14);
if ('#' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '\"')
ADVANCE(11);
if (LOOKAHEAD_CHAR() == '\\')
ADVANCE(13);
if (']' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '\\')
ADVANCE(15);
LEX_ERROR(1, EXPECT({"<ANY>"}));
case 14:
if (!((LOOKAHEAD_CHAR() == '\"') ||
(LOOKAHEAD_CHAR() == '\\')))
ADVANCE(11);
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(12);
if (LOOKAHEAD_CHAR() == '\\')
ADVANCE(13);
if (']' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '\\')
ADVANCE(15);
ACCEPT_TOKEN(ts_symbol_string);
case 15:
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(11);
LEX_ERROR(1, EXPECT({"\""}));
case 16:
if ('0' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '9')
ADVANCE(16);
ACCEPT_TOKEN(ts_symbol_number);
case 17:
ACCEPT_TOKEN(ts_aux_left_bracket);
case 18:
ACCEPT_TOKEN(ts_aux_left_brace);
case 19:
if (LOOKAHEAD_CHAR() == ':')
ADVANCE(20);
LEX_ERROR(1, EXPECT({":"}));
case 20:
ACCEPT_TOKEN(ts_aux_colon);
case 21:
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(10);
if (LOOKAHEAD_CHAR() == '}')
ADVANCE(4);
LEX_ERROR(2, EXPECT({"\"", "}"}));
case 22:
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(10);
if ('0' <= LOOKAHEAD_CHAR() && LOOKAHEAD_CHAR() <= '9')
ADVANCE(16);
if (LOOKAHEAD_CHAR() == '[')
ADVANCE(17);
if (LOOKAHEAD_CHAR() == ']')
ADVANCE(7);
if (LOOKAHEAD_CHAR() == '{')
ADVANCE(18);
LEX_ERROR(5, EXPECT({"\"", "0-9", "[", "]", "{"}));
case 23:
if (LOOKAHEAD_CHAR() == '\"')
ADVANCE(10);
LEX_ERROR(1, EXPECT({"\""}));
default:
LEX_PANIC();
}
FINISH_LEXER();
}
static TSParseResult ts_parse(const char *input) {
START_PARSER();
switch (PARSE_STATE()) {
case 0:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(1);
case ts_symbol_number:
SHIFT(1);
case ts_symbol_object:
SHIFT(1);
case ts_symbol_string:
SHIFT(1);
case ts_symbol_value:
SHIFT(2);
case ts_aux_left_brace:
SHIFT(3);
case ts_aux_left_bracket:
SHIFT(44);
default:
PARSE_PANIC();
}
case 1:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
REDUCE(ts_symbol_value, 1, COLLAPSE({0}));
default:
PARSE_PANIC();
}
case 2:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
ACCEPT_INPUT();
default:
PARSE_PANIC();
}
case 3:
SET_LEX_STATE(21);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_string:
SHIFT(4);
case ts_aux_right_brace:
SHIFT(43);
default:
PARSE_PANIC();
}
case 4:
SET_LEX_STATE(19);
switch (LOOKAHEAD_SYM()) {
case ts_aux_colon:
SHIFT(5);
default:
PARSE_PANIC();
}
case 5:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(6);
case ts_symbol_number:
SHIFT(6);
case ts_symbol_object:
SHIFT(6);
case ts_symbol_string:
SHIFT(6);
case ts_symbol_value:
SHIFT(7);
case ts_aux_left_brace:
SHIFT(13);
case ts_aux_left_bracket:
SHIFT(19);
default:
PARSE_PANIC();
}
case 6:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_value, 1, COLLAPSE({0}));
case ts_aux_right_brace:
REDUCE(ts_symbol_value, 1, COLLAPSE({0}));
default:
PARSE_PANIC();
}
case 7:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(8);
case ts_aux_repeat_helper2:
SHIFT(41);
case ts_aux_right_brace:
REDUCE(ts_aux_repeat_helper2, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 8:
SET_LEX_STATE(23);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_string:
SHIFT(9);
default:
PARSE_PANIC();
}
case 9:
SET_LEX_STATE(19);
switch (LOOKAHEAD_SYM()) {
case ts_aux_colon:
SHIFT(10);
default:
PARSE_PANIC();
}
case 10:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(6);
case ts_symbol_number:
SHIFT(6);
case ts_symbol_object:
SHIFT(6);
case ts_symbol_string:
SHIFT(6);
case ts_symbol_value:
SHIFT(11);
case ts_aux_left_brace:
SHIFT(13);
case ts_aux_left_bracket:
SHIFT(19);
default:
PARSE_PANIC();
}
case 11:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(8);
case ts_aux_repeat_helper2:
SHIFT(12);
case ts_aux_right_brace:
REDUCE(ts_aux_repeat_helper2, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 12:
SET_LEX_STATE(5);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_brace:
REDUCE(ts_aux_repeat_helper2, 5, COLLAPSE({1, 0, 1, 0, 1}));
default:
PARSE_PANIC();
}
case 13:
SET_LEX_STATE(21);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_string:
SHIFT(14);
case ts_aux_right_brace:
SHIFT(40);
default:
PARSE_PANIC();
}
case 14:
SET_LEX_STATE(19);
switch (LOOKAHEAD_SYM()) {
case ts_aux_colon:
SHIFT(15);
default:
PARSE_PANIC();
}
case 15:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(6);
case ts_symbol_number:
SHIFT(6);
case ts_symbol_object:
SHIFT(6);
case ts_symbol_string:
SHIFT(6);
case ts_symbol_value:
SHIFT(16);
case ts_aux_left_brace:
SHIFT(13);
case ts_aux_left_bracket:
SHIFT(19);
default:
PARSE_PANIC();
}
case 16:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(8);
case ts_aux_repeat_helper2:
SHIFT(17);
case ts_aux_right_brace:
REDUCE(ts_aux_repeat_helper2, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 17:
SET_LEX_STATE(5);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_brace:
SHIFT(18);
default:
PARSE_PANIC();
}
case 18:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_object, 6, COLLAPSE({1, 0, 1, 0, 1, 1}));
case ts_aux_right_brace:
REDUCE(ts_symbol_object, 6, COLLAPSE({1, 0, 1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 19:
SET_LEX_STATE(22);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(20);
case ts_symbol_number:
SHIFT(20);
case ts_symbol_object:
SHIFT(20);
case ts_symbol_string:
SHIFT(20);
case ts_symbol_value:
SHIFT(21);
case ts_aux_left_brace:
SHIFT(25);
case ts_aux_left_bracket:
SHIFT(32);
case ts_aux_right_bracket:
SHIFT(39);
default:
PARSE_PANIC();
}
case 20:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_value, 1, COLLAPSE({0}));
case ts_aux_right_bracket:
REDUCE(ts_symbol_value, 1, COLLAPSE({0}));
default:
PARSE_PANIC();
}
case 21:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(22);
case ts_aux_repeat_helper1:
SHIFT(37);
case ts_aux_right_bracket:
REDUCE(ts_aux_repeat_helper1, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 22:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(20);
case ts_symbol_number:
SHIFT(20);
case ts_symbol_object:
SHIFT(20);
case ts_symbol_string:
SHIFT(20);
case ts_symbol_value:
SHIFT(23);
case ts_aux_left_brace:
SHIFT(25);
case ts_aux_left_bracket:
SHIFT(32);
default:
PARSE_PANIC();
}
case 23:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(22);
case ts_aux_repeat_helper1:
SHIFT(24);
case ts_aux_right_bracket:
REDUCE(ts_aux_repeat_helper1, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 24:
SET_LEX_STATE(8);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_bracket:
REDUCE(ts_aux_repeat_helper1, 3, COLLAPSE({1, 0, 1}));
default:
PARSE_PANIC();
}
case 25:
SET_LEX_STATE(21);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_string:
SHIFT(26);
case ts_aux_right_brace:
SHIFT(31);
default:
PARSE_PANIC();
}
case 26:
SET_LEX_STATE(19);
switch (LOOKAHEAD_SYM()) {
case ts_aux_colon:
SHIFT(27);
default:
PARSE_PANIC();
}
case 27:
SET_LEX_STATE(9);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(6);
case ts_symbol_number:
SHIFT(6);
case ts_symbol_object:
SHIFT(6);
case ts_symbol_string:
SHIFT(6);
case ts_symbol_value:
SHIFT(28);
case ts_aux_left_brace:
SHIFT(13);
case ts_aux_left_bracket:
SHIFT(19);
default:
PARSE_PANIC();
}
case 28:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(8);
case ts_aux_repeat_helper2:
SHIFT(29);
case ts_aux_right_brace:
REDUCE(ts_aux_repeat_helper2, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 29:
SET_LEX_STATE(5);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_brace:
SHIFT(30);
default:
PARSE_PANIC();
}
case 30:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_object, 6, COLLAPSE({1, 0, 1, 0, 1, 1}));
case ts_aux_right_bracket:
REDUCE(ts_symbol_object, 6, COLLAPSE({1, 0, 1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 31:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_object, 2, COLLAPSE({1, 1}));
case ts_aux_right_bracket:
REDUCE(ts_symbol_object, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
case 32:
SET_LEX_STATE(22);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(20);
case ts_symbol_number:
SHIFT(20);
case ts_symbol_object:
SHIFT(20);
case ts_symbol_string:
SHIFT(20);
case ts_symbol_value:
SHIFT(33);
case ts_aux_left_brace:
SHIFT(25);
case ts_aux_left_bracket:
SHIFT(32);
case ts_aux_right_bracket:
SHIFT(36);
default:
PARSE_PANIC();
}
case 33:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(22);
case ts_aux_repeat_helper1:
SHIFT(34);
case ts_aux_right_bracket:
REDUCE(ts_aux_repeat_helper1, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 34:
SET_LEX_STATE(8);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_bracket:
SHIFT(35);
default:
PARSE_PANIC();
}
case 35:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_array, 4, COLLAPSE({1, 0, 1, 1}));
case ts_aux_right_bracket:
REDUCE(ts_symbol_array, 4, COLLAPSE({1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 36:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_array, 2, COLLAPSE({1, 1}));
case ts_aux_right_bracket:
REDUCE(ts_symbol_array, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
case 37:
SET_LEX_STATE(8);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_bracket:
SHIFT(38);
default:
PARSE_PANIC();
}
case 38:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_array, 4, COLLAPSE({1, 0, 1, 1}));
case ts_aux_right_brace:
REDUCE(ts_symbol_array, 4, COLLAPSE({1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 39:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_array, 2, COLLAPSE({1, 1}));
case ts_aux_right_brace:
REDUCE(ts_symbol_array, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
case 40:
SET_LEX_STATE(2);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
REDUCE(ts_symbol_object, 2, COLLAPSE({1, 1}));
case ts_aux_right_brace:
REDUCE(ts_symbol_object, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
case 41:
SET_LEX_STATE(5);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_brace:
SHIFT(42);
default:
PARSE_PANIC();
}
case 42:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
REDUCE(ts_symbol_object, 6, COLLAPSE({1, 0, 1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 43:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
REDUCE(ts_symbol_object, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
case 44:
SET_LEX_STATE(22);
switch (LOOKAHEAD_SYM()) {
case ts_symbol_array:
SHIFT(20);
case ts_symbol_number:
SHIFT(20);
case ts_symbol_object:
SHIFT(20);
case ts_symbol_string:
SHIFT(20);
case ts_symbol_value:
SHIFT(45);
case ts_aux_left_brace:
SHIFT(25);
case ts_aux_left_bracket:
SHIFT(32);
case ts_aux_right_bracket:
SHIFT(48);
default:
PARSE_PANIC();
}
case 45:
SET_LEX_STATE(6);
switch (LOOKAHEAD_SYM()) {
case ts_aux_comma:
SHIFT(22);
case ts_aux_repeat_helper1:
SHIFT(46);
case ts_aux_right_bracket:
REDUCE(ts_aux_repeat_helper1, 0, COLLAPSE({}));
default:
PARSE_PANIC();
}
case 46:
SET_LEX_STATE(8);
switch (LOOKAHEAD_SYM()) {
case ts_aux_right_bracket:
SHIFT(47);
default:
PARSE_PANIC();
}
case 47:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
REDUCE(ts_symbol_array, 4, COLLAPSE({1, 0, 1, 1}));
default:
PARSE_PANIC();
}
case 48:
SET_LEX_STATE(0);
switch (LOOKAHEAD_SYM()) {
case ts_aux_end:
REDUCE(ts_symbol_array, 2, COLLAPSE({1, 1}));
default:
PARSE_PANIC();
}
default:
PARSE_PANIC();
}
FINISH_PARSER();
}
TSParseConfig ts_parse_config_json = {
.parse_fn = ts_parse,
.symbol_names = ts_symbol_names
};