From ef29ac524f001a2e6a104bcb45e0bb8cc6f8c2b8 Mon Sep 17 00:00:00 2001 From: Thomas Voss Date: Mon, 23 Sep 2024 00:51:46 +0200 Subject: Allow for empty string literals --- src/grammar.json | 2 +- src/parser.c | 199 +++++++++++++++++++++++++++---------------------------- 2 files changed, 98 insertions(+), 103 deletions(-) (limited to 'src') diff --git a/src/grammar.json b/src/grammar.json index 2ee7e30..339fd13 100644 --- a/src/grammar.json +++ b/src/grammar.json @@ -318,7 +318,7 @@ }, "string": { "type": "PATTERN", - "value": "\"(\\\\[\"\\\\]|[^\"\\\\])+\"" + "value": "\"(\\\\[\"\\\\]|[^\"\\\\])*\"" } }, "extras": [ diff --git a/src/parser.c b/src/parser.c index d0f2558..f152fcd 100644 --- a/src/parser.c +++ b/src/parser.c @@ -523,17 +523,17 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) { eof = lexer->eof(lexer); switch (state) { case 0: - if (eof) ADVANCE(10); + if (eof) ADVANCE(9); ADVANCE_MAP( - '"', 3, - '#', 16, - '-', 13, - '.', 18, - '/', 11, - '=', 14, - '@', 20, - '{', 12, - '}', 15, + '"', 1, + '#', 15, + '-', 12, + '.', 17, + '/', 10, + '=', 13, + '@', 19, + '{', 11, + '}', 14, ); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || @@ -541,18 +541,18 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) { lookahead == 0x200e || lookahead == 0x200f || lookahead == 0x2028 || - lookahead == 0x2029) SKIP(8); - if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(17); + lookahead == 0x2029) SKIP(7); + if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(16); END_STATE(); case 1: - if (lookahead == '"') ADVANCE(22); - if (lookahead == '\\') ADVANCE(5); + if (lookahead == '"') ADVANCE(21); + if (lookahead == '\\') ADVANCE(4); if (lookahead != 0) ADVANCE(1); END_STATE(); case 2: - if (lookahead == '@') ADVANCE(20); - if (lookahead == '\\') ADVANCE(6); - if (lookahead == '}') ADVANCE(15); + if (lookahead == '@') ADVANCE(19); + if (lookahead == '\\') ADVANCE(5); + if (lookahead == '}') ADVANCE(14); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || lookahead == 0x85 || @@ -560,50 +560,45 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) { lookahead == 0x200f || lookahead == 0x2028 || lookahead == 0x2029) SKIP(2); - if (lookahead != 0) ADVANCE(19); + if (lookahead != 0) ADVANCE(18); END_STATE(); case 3: if (lookahead == '\\') ADVANCE(5); - if (lookahead != 0 && - lookahead != '"') ADVANCE(1); - END_STATE(); - case 4: - if (lookahead == '\\') ADVANCE(6); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || lookahead == 0x85 || lookahead == 0x200e || lookahead == 0x200f || lookahead == 0x2028 || - lookahead == 0x2029) ADVANCE(4); + lookahead == 0x2029) ADVANCE(3); if (lookahead != 0 && lookahead != '@' && - lookahead != '}') ADVANCE(19); + lookahead != '}') ADVANCE(18); END_STATE(); - case 5: + case 4: if (lookahead == '"' || lookahead == '\\') ADVANCE(1); END_STATE(); - case 6: + case 5: if (lookahead == '@' || lookahead == '\\' || - lookahead == '}') ADVANCE(19); + lookahead == '}') ADVANCE(18); END_STATE(); - case 7: - if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(17); + case 6: + if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(16); END_STATE(); - case 8: - if (eof) ADVANCE(10); + case 7: + if (eof) ADVANCE(9); ADVANCE_MAP( - '"', 3, - '#', 16, - '-', 13, - '.', 18, - '/', 11, - '=', 14, - '@', 20, - '{', 12, - '}', 15, + '"', 1, + '#', 15, + '-', 12, + '.', 17, + '/', 10, + '=', 13, + '@', 19, + '{', 11, + '}', 14, ); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || @@ -611,77 +606,77 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) { lookahead == 0x200e || lookahead == 0x200f || lookahead == 0x2028 || - lookahead == 0x2029) SKIP(8); - if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(21); + lookahead == 0x2029) SKIP(7); + if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(20); END_STATE(); - case 9: - if (eof) ADVANCE(10); - if (lookahead == '#') ADVANCE(16); - if (lookahead == '-') ADVANCE(13); - if (lookahead == '.') ADVANCE(18); - if (lookahead == '/') ADVANCE(11); - if (lookahead == '=') ADVANCE(14); - if (lookahead == '{') ADVANCE(12); - if (lookahead == '}') ADVANCE(15); + case 8: + if (eof) ADVANCE(9); + if (lookahead == '#') ADVANCE(15); + if (lookahead == '-') ADVANCE(12); + if (lookahead == '.') ADVANCE(17); + if (lookahead == '/') ADVANCE(10); + if (lookahead == '=') ADVANCE(13); + if (lookahead == '{') ADVANCE(11); + if (lookahead == '}') ADVANCE(14); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || lookahead == 0x85 || lookahead == 0x200e || lookahead == 0x200f || lookahead == 0x2028 || - lookahead == 0x2029) SKIP(9); - if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(21); + lookahead == 0x2029) SKIP(8); + if (set_contains(aux_sym_id_attr_token1_character_set_1, 667, lookahead)) ADVANCE(20); END_STATE(); - case 10: + case 9: ACCEPT_TOKEN(ts_builtin_sym_end); END_STATE(); - case 11: + case 10: ACCEPT_TOKEN(anon_sym_SLASH); END_STATE(); - case 12: + case 11: ACCEPT_TOKEN(anon_sym_LBRACE); END_STATE(); - case 13: + case 12: ACCEPT_TOKEN(anon_sym_DASH); END_STATE(); - case 14: + case 13: ACCEPT_TOKEN(anon_sym_EQ); END_STATE(); - case 15: + case 14: ACCEPT_TOKEN(anon_sym_RBRACE); END_STATE(); - case 16: + case 15: ACCEPT_TOKEN(anon_sym_POUND); END_STATE(); - case 17: + case 16: ACCEPT_TOKEN(aux_sym_id_attr_token1); - if (set_contains(aux_sym_id_attr_token1_character_set_2, 777, lookahead)) ADVANCE(17); + if (set_contains(aux_sym_id_attr_token1_character_set_2, 777, lookahead)) ADVANCE(16); END_STATE(); - case 18: + case 17: ACCEPT_TOKEN(anon_sym_DOT); END_STATE(); - case 19: + case 18: ACCEPT_TOKEN(sym_raw_text); - if (lookahead == '\\') ADVANCE(6); + if (lookahead == '\\') ADVANCE(5); if (('\t' <= lookahead && lookahead <= '\r') || lookahead == ' ' || lookahead == 0x85 || lookahead == 0x200e || lookahead == 0x200f || lookahead == 0x2028 || - lookahead == 0x2029) ADVANCE(4); + lookahead == 0x2029) ADVANCE(3); if (lookahead != 0 && lookahead != '@' && - lookahead != '}') ADVANCE(19); + lookahead != '}') ADVANCE(18); END_STATE(); - case 20: + case 19: ACCEPT_TOKEN(anon_sym_AT); END_STATE(); - case 21: + case 20: ACCEPT_TOKEN(sym_ident); - if (set_contains(aux_sym_id_attr_token1_character_set_2, 777, lookahead)) ADVANCE(21); + if (set_contains(aux_sym_id_attr_token1_character_set_2, 777, lookahead)) ADVANCE(20); END_STATE(); - case 22: + case 21: ACCEPT_TOKEN(sym_string); END_STATE(); default: @@ -691,38 +686,38 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) { static const TSLexMode ts_lex_modes[STATE_COUNT] = { [0] = {.lex_state = 0}, - [1] = {.lex_state = 9}, - [2] = {.lex_state = 9}, - [3] = {.lex_state = 9}, - [4] = {.lex_state = 9}, - [5] = {.lex_state = 9}, - [6] = {.lex_state = 9}, - [7] = {.lex_state = 9}, - [8] = {.lex_state = 9}, - [9] = {.lex_state = 9}, - [10] = {.lex_state = 9}, - [11] = {.lex_state = 9}, - [12] = {.lex_state = 9}, - [13] = {.lex_state = 9}, + [1] = {.lex_state = 8}, + [2] = {.lex_state = 8}, + [3] = {.lex_state = 8}, + [4] = {.lex_state = 8}, + [5] = {.lex_state = 8}, + [6] = {.lex_state = 8}, + [7] = {.lex_state = 8}, + [8] = {.lex_state = 8}, + [9] = {.lex_state = 8}, + [10] = {.lex_state = 8}, + [11] = {.lex_state = 8}, + [12] = {.lex_state = 8}, + [13] = {.lex_state = 8}, [14] = {.lex_state = 2}, [15] = {.lex_state = 2}, - [16] = {.lex_state = 9}, + [16] = {.lex_state = 8}, [17] = {.lex_state = 2}, [18] = {.lex_state = 2}, - [19] = {.lex_state = 9}, - [20] = {.lex_state = 9}, - [21] = {.lex_state = 9}, - [22] = {.lex_state = 9}, - [23] = {.lex_state = 9}, - [24] = {.lex_state = 9}, - [25] = {.lex_state = 9}, - [26] = {.lex_state = 9}, - [27] = {.lex_state = 9}, - [28] = {.lex_state = 9}, - [29] = {.lex_state = 9}, - [30] = {.lex_state = 9}, + [19] = {.lex_state = 8}, + [20] = {.lex_state = 8}, + [21] = {.lex_state = 8}, + [22] = {.lex_state = 8}, + [23] = {.lex_state = 8}, + [24] = {.lex_state = 8}, + [25] = {.lex_state = 8}, + [26] = {.lex_state = 8}, + [27] = {.lex_state = 8}, + [28] = {.lex_state = 8}, + [29] = {.lex_state = 8}, + [30] = {.lex_state = 8}, [31] = {.lex_state = 2}, - [32] = {.lex_state = 9}, + [32] = {.lex_state = 8}, [33] = {.lex_state = 2}, [34] = {.lex_state = 2}, [35] = {.lex_state = 2}, @@ -731,14 +726,14 @@ static const TSLexMode ts_lex_modes[STATE_COUNT] = { [38] = {.lex_state = 2}, [39] = {.lex_state = 2}, [40] = {.lex_state = 2}, - [41] = {.lex_state = 9}, + [41] = {.lex_state = 8}, [42] = {.lex_state = 0}, [43] = {.lex_state = 0}, [44] = {.lex_state = 0}, [45] = {.lex_state = 0}, [46] = {.lex_state = 0}, - [47] = {.lex_state = 7}, - [48] = {.lex_state = 7}, + [47] = {.lex_state = 6}, + [48] = {.lex_state = 6}, [49] = {.lex_state = 0}, [50] = {.lex_state = 0}, [51] = {.lex_state = 0}, -- cgit v1.2.3