Barely working ansi color codes parser but I _really_ don't like this one. Too much code to just get it to process correctly which means it'll be brittle as hell later.
This commit is contained in:
Zed A. Shaw
parent
a44a9a04f9
commit
f32b39afe2
9 changed files with 621 additions and 152 deletions
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@ -10,148 +10,121 @@
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using namespace fmt;
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#line 42 ".\\scratchpad\\testragel.rl"
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#line 66 ".\\scratchpad\\testragel.rl"
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#line 13 ".\\scratchpad\\testragel.cpp"
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static const char _foo_actions[] = {
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0, 1, 0, 1, 1, 1, 2, 1,
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3, 1, 4, 2, 1, 5, 2, 1,
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6, 2, 1, 7, 2, 1, 8, 2,
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1, 9, 2, 1, 10
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0, 1, 0, 1, 1, 1, 8, 1,
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9, 2, 1, 2, 2, 1, 3, 2,
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1, 4, 2, 1, 5, 2, 6, 0,
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2, 7, 0, 2, 8, 0
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};
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static const char _foo_key_offsets[] = {
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0, 0, 1, 5, 7, 10, 15, 19,
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23, 27, 29, 32, 34, 37, 39, 42,
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46, 48, 51, 53, 56, 61, 65, 69,
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73, 75, 78, 80, 83, 85, 88, 92,
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94, 97, 99, 102
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0, 0, 1, 6, 10, 12, 15, 20,
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24, 28, 32, 34, 37, 39, 42, 44,
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47, 51, 53, 56, 58, 61, 66, 70,
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74, 75
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};
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static const char _foo_trans_keys[] = {
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91, 59, 109, 48, 57, 48, 57, 109,
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48, 57, 56, 59, 109, 48, 57, 59,
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109, 48, 57, 50, 53, 48, 57, 59,
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91, 51, 52, 109, 48, 57, 59, 109,
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48, 57, 48, 57, 109, 48, 57, 56,
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59, 109, 48, 57, 59, 109, 48, 57,
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50, 53, 48, 57, 59, 109, 48, 57,
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48, 57, 59, 48, 57, 48, 57, 59,
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48, 57, 48, 57, 109, 48, 57, 59,
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109, 48, 57, 48, 57, 59, 48, 57,
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48, 57, 59, 48, 57, 48, 57, 109,
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48, 57, 59, 109, 48, 57, 48, 57,
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59, 48, 57, 48, 57, 109, 48, 57,
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56, 59, 109, 48, 57, 59, 109, 48,
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57, 50, 53, 48, 57, 59, 109, 48,
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57, 48, 57, 59, 48, 57, 48, 57,
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59, 48, 57, 48, 57, 109, 48, 57,
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59, 109, 48, 57, 48, 57, 59, 48,
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57, 48, 57, 109, 48, 57, 27, 51,
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52, 48, 57, 0
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48, 57, 109, 48, 57, 56, 59, 109,
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48, 57, 59, 109, 48, 57, 50, 53,
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48, 57, 27, 27, 0
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};
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static const char _foo_single_lengths[] = {
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0, 1, 2, 0, 1, 3, 2, 2,
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2, 0, 1, 0, 1, 0, 1, 2,
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0, 1, 0, 1, 3, 2, 2, 2,
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0, 1, 0, 1, 0, 1, 2, 0,
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1, 0, 1, 3
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0, 1, 3, 2, 0, 1, 3, 2,
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2, 2, 0, 1, 0, 1, 0, 1,
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2, 0, 1, 0, 1, 3, 2, 2,
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1, 1
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};
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static const char _foo_range_lengths[] = {
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0, 0, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1
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0, 0
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};
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static const unsigned char _foo_index_offsets[] = {
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0, 0, 2, 6, 8, 11, 16, 20,
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24, 28, 30, 33, 35, 38, 40, 43,
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47, 49, 52, 54, 57, 62, 66, 70,
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74, 76, 79, 81, 84, 86, 89, 93,
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95, 98, 100, 103
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static const char _foo_index_offsets[] = {
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0, 0, 2, 7, 11, 13, 16, 21,
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25, 29, 33, 35, 38, 40, 43, 45,
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48, 52, 54, 57, 59, 62, 67, 71,
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75, 77
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};
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static const char _foo_indicies[] = {
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0, 1, 3, 4, 5, 2, 1, 7,
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8, 6, 1, 9, 1, 11, 10, 1,
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12, 7, 8, 6, 1, 13, 8, 6,
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1, 14, 15, 9, 1, 16, 11, 10,
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1, 17, 1, 19, 18, 1, 20, 1,
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22, 21, 1, 23, 1, 25, 24, 1,
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26, 11, 10, 1, 27, 1, 29, 28,
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1, 30, 1, 32, 31, 1, 33, 7,
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8, 6, 1, 34, 8, 6, 1, 35,
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36, 9, 1, 37, 1, 38, 1, 0
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};
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static const char _foo_trans_targs[] = {
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35, 0, 3, 35, 2, 0, 4, 0,
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35, 4, 0, 6, 3, 35, 2, 0,
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7, 35, 2, 0, 8, 15, 4, 0,
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9, 35, 4, 0, 10, 0, 11, 10,
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0, 12, 0, 13, 12, 0, 14, 0,
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35, 14, 0, 16, 35, 4, 0, 17,
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0, 18, 17, 0, 19, 0, 35, 19,
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0, 21, 3, 35, 2, 0, 22, 35,
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2, 0, 23, 30, 4, 0, 24, 35,
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4, 0, 25, 0, 26, 25, 0, 27,
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0, 28, 27, 0, 29, 0, 35, 29,
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0, 31, 35, 4, 0, 32, 0, 33,
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32, 0, 34, 0, 35, 34, 0, 1,
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5, 20, 2, 0, 0
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2, 0, 3, 6, 21, 25, 3, 4,
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25, 5, 5, 25, 7, 8, 9, 16,
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10, 11, 11, 12, 13, 13, 14, 15,
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15, 25, 17, 18, 18, 19, 20, 20,
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25, 22, 23, 9, 16, 1, 1
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};
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static const char _foo_trans_actions[] = {
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9, 0, 3, 23, 0, 0, 1, 0,
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26, 0, 0, 0, 3, 23, 0, 0,
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3, 23, 0, 0, 1, 1, 1, 0,
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0, 26, 0, 0, 1, 0, 3, 0,
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0, 1, 0, 3, 0, 0, 1, 0,
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17, 0, 0, 0, 26, 0, 0, 1,
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0, 3, 0, 0, 1, 0, 11, 0,
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0, 0, 3, 23, 0, 0, 3, 23,
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0, 0, 1, 1, 1, 0, 0, 26,
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0, 0, 1, 0, 3, 0, 0, 1,
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0, 3, 0, 0, 1, 0, 20, 0,
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0, 0, 26, 0, 0, 1, 0, 3,
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0, 0, 1, 0, 14, 0, 0, 0,
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1, 1, 1, 0, 0
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0, 0, 27, 27, 27, 5, 0, 3,
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15, 1, 0, 18, 0, 3, 24, 24,
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0, 1, 0, 3, 1, 0, 3, 1,
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0, 12, 0, 1, 0, 3, 1, 0,
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9, 0, 3, 21, 21, 0, 7
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};
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static const char _foo_to_state_actions[] = {
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static const char _foo_eof_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 5
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0, 7
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};
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static const char _foo_from_state_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 7
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};
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static const int foo_start = 35;
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static const int foo_first_final = 35;
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static const int foo_start = 24;
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static const int foo_first_final = 24;
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static const int foo_error = 0;
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static const int foo_en_main = 35;
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static const int foo_en_main = 24;
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#line 45 ".\\scratchpad\\testragel.rl"
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#line 69 ".\\scratchpad\\testragel.rl"
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void parse_ansi(std::string_view &codes) {
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const char *start = NULL;
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int cs = 0;
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size_t act = 0;
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size_t value = 0;
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const char *p = codes.data();
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const char *pe = p + codes.size();
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const char *ts = p;
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const char *te = pe;
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const char *eof = pe;
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#line 136 ".\\scratchpad\\testragel.cpp"
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#line 112 ".\\scratchpad\\testragel.cpp"
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{
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cs = foo_start;
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ts = 0;
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te = 0;
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act = 0;
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}
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#line 57 ".\\scratchpad\\testragel.rl"
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#line 79 ".\\scratchpad\\testragel.rl"
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#line 142 ".\\scratchpad\\testragel.cpp"
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#line 115 ".\\scratchpad\\testragel.cpp"
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{
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int _klen;
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unsigned int _trans;
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@ -164,18 +137,6 @@ void parse_ansi(std::string_view &codes) {
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if ( cs == 0 )
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goto _out;
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_resume:
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_acts = _foo_actions + _foo_from_state_actions[cs];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 ) {
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switch ( *_acts++ ) {
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case 3:
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#line 1 "NONE"
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{ts = p;}
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break;
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#line 161 ".\\scratchpad\\testragel.cpp"
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}
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}
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_keys = _foo_trans_keys + _foo_key_offsets[cs];
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_trans = _foo_index_offsets[cs];
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@ -225,6 +186,7 @@ _resume:
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}
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_match:
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_trans = _foo_indicies[_trans];
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cs = _foo_trans_targs[_trans];
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if ( _foo_trans_actions[_trans] == 0 )
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@ -245,66 +207,84 @@ _match:
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case 1:
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#line 17 ".\\scratchpad\\testragel.rl"
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{
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size_t value = 0;
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auto [ptr, ec] = std::from_chars(start, p, value);
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dbc::check(ec == std::errc(), "error in number parsing");
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println("NUMBER {}", value);
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}
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break;
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case 2:
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#line 23 ".\\scratchpad\\testragel.rl"
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{
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println("256 color");
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}
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break;
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case 3:
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#line 27 ".\\scratchpad\\testragel.rl"
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{
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println("true color");
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}
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break;
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case 4:
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#line 34 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("START"); }}
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#line 31 ".\\scratchpad\\testragel.rl"
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{
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println("single color");
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}
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break;
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case 5:
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#line 35 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("fg 256 color"); }}
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{
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println("basic color");
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}
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break;
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case 6:
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#line 36 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("bg 256 color"); }}
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#line 39 ".\\scratchpad\\testragel.rl"
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{
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println("BG");
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}
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break;
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case 7:
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#line 37 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("fg true color"); }}
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#line 43 ".\\scratchpad\\testragel.rl"
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{
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println("FG");
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}
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break;
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case 8:
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#line 38 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("bg true color"); }}
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#line 57 ".\\scratchpad\\testragel.rl"
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{ println("START"); }
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break;
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case 9:
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#line 39 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("single"); }}
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#line 64 ".\\scratchpad\\testragel.rl"
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{ println("END"); }
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break;
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case 10:
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#line 40 ".\\scratchpad\\testragel.rl"
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{te = p+1;{ println("basic"); }}
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break;
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#line 258 ".\\scratchpad\\testragel.cpp"
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#line 236 ".\\scratchpad\\testragel.cpp"
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}
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}
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_again:
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_acts = _foo_actions + _foo_to_state_actions[cs];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 ) {
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switch ( *_acts++ ) {
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case 2:
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#line 1 "NONE"
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{ts = 0;}
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break;
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#line 269 ".\\scratchpad\\testragel.cpp"
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}
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}
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if ( cs == 0 )
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goto _out;
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if ( ++p != pe )
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goto _resume;
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_test_eof: {}
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if ( p == eof )
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{
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const char *__acts = _foo_actions + _foo_eof_actions[cs];
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unsigned int __nacts = (unsigned int) *__acts++;
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while ( __nacts-- > 0 ) {
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switch ( *__acts++ ) {
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case 9:
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#line 64 ".\\scratchpad\\testragel.rl"
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{ println("END"); }
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break;
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#line 254 ".\\scratchpad\\testragel.cpp"
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}
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}
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}
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_out: {}
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}
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#line 58 ".\\scratchpad\\testragel.rl"
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#line 80 ".\\scratchpad\\testragel.rl"
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}
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int main() {
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