mirror of
https://github.com/danog/liquid.git
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525 lines
10 KiB
Go
525 lines
10 KiB
Go
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//line scanner.rl:1
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// Adapted from https://github.com/mhamrah/thermostat
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package expressions
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import "fmt"
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import "strconv"
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//line scanner.go:11
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var _expression_actions []byte = []byte{
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0, 1, 0, 1, 1, 1, 2, 1, 12,
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1, 13, 1, 14, 1, 15, 1, 16,
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1, 17, 1, 18, 1, 19, 1, 20,
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1, 21, 1, 22, 1, 23, 1, 24,
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1, 25, 1, 26, 2, 2, 3, 2,
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2, 4, 2, 2, 5, 2, 2, 6,
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2, 2, 7, 2, 2, 8, 2, 2,
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9, 2, 2, 10, 2, 2, 11,
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}
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var _expression_key_offsets []byte = []byte{
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 12, 37, 40, 41, 42,
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44, 45, 48, 50, 53, 54, 55, 56,
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65, 75, 85, 95, 105, 115, 125, 135,
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145, 155, 166, 176, 186, 196, 206, 216,
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226, 236,
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}
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var _expression_trans_keys []byte = []byte{
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34, 115, 115, 105, 103, 110, 111, 111,
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112, 39, 48, 57, 32, 33, 34, 37,
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39, 45, 46, 60, 61, 62, 95, 97,
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99, 102, 105, 111, 116, 9, 13, 48,
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57, 65, 90, 98, 122, 32, 9, 13,
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61, 34, 97, 108, 39, 46, 48, 57,
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48, 57, 46, 48, 57, 61, 61, 61,
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45, 58, 95, 48, 57, 65, 90, 97,
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122, 45, 58, 95, 110, 48, 57, 65,
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90, 97, 122, 45, 58, 95, 100, 48,
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57, 65, 90, 97, 122, 45, 58, 95,
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111, 48, 57, 65, 90, 97, 122, 45,
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58, 95, 110, 48, 57, 65, 90, 97,
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122, 45, 58, 95, 116, 48, 57, 65,
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90, 97, 122, 45, 58, 95, 97, 48,
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57, 65, 90, 98, 122, 45, 58, 95,
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105, 48, 57, 65, 90, 97, 122, 45,
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58, 95, 110, 48, 57, 65, 90, 97,
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122, 45, 58, 95, 115, 48, 57, 65,
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90, 97, 122, 45, 58, 95, 97, 111,
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48, 57, 65, 90, 98, 122, 45, 58,
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95, 108, 48, 57, 65, 90, 97, 122,
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45, 58, 95, 115, 48, 57, 65, 90,
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97, 122, 45, 58, 95, 101, 48, 57,
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65, 90, 97, 122, 45, 58, 95, 114,
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48, 57, 65, 90, 97, 122, 45, 58,
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95, 110, 48, 57, 65, 90, 97, 122,
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45, 58, 95, 114, 48, 57, 65, 90,
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97, 122, 45, 58, 95, 114, 48, 57,
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65, 90, 97, 122, 45, 58, 95, 117,
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48, 57, 65, 90, 97, 122,
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}
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var _expression_single_lengths []byte = []byte{
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 0, 17, 1, 1, 1, 2,
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1, 1, 0, 1, 1, 1, 1, 3,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 5, 4, 4, 4, 4, 4, 4,
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4, 4,
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}
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var _expression_range_lengths []byte = []byte{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 1, 4, 1, 0, 0, 0,
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0, 1, 1, 1, 0, 0, 0, 3,
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3,
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}
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var _expression_index_offsets []byte = []byte{
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0, 2, 4, 6, 8, 10, 12, 14,
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16, 18, 20, 22, 44, 47, 49, 51,
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54, 56, 59, 61, 64, 66, 68, 70,
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77, 85, 93, 101, 109, 117, 125, 133,
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141, 149, 158, 166, 174, 182, 190, 198,
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206, 214,
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}
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var _expression_indicies []byte = []byte{
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2, 1, 3, 0, 4, 0, 5, 0,
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6, 0, 7, 0, 8, 0, 9, 0,
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10, 0, 2, 11, 12, 0, 14, 15,
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16, 17, 18, 19, 20, 22, 23, 24,
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25, 26, 27, 28, 29, 30, 31, 14,
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21, 25, 25, 13, 14, 14, 32, 34,
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33, 2, 1, 35, 36, 33, 2, 11,
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37, 21, 33, 12, 38, 12, 21, 39,
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40, 33, 41, 33, 42, 33, 25, 43,
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25, 25, 25, 25, 38, 25, 43, 25,
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45, 25, 25, 25, 44, 25, 43, 25,
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46, 25, 25, 25, 44, 25, 43, 25,
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47, 25, 25, 25, 44, 25, 43, 25,
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48, 25, 25, 25, 44, 25, 43, 25,
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49, 25, 25, 25, 44, 25, 43, 25,
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50, 25, 25, 25, 44, 25, 43, 25,
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51, 25, 25, 25, 44, 25, 43, 25,
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52, 25, 25, 25, 44, 25, 43, 25,
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53, 25, 25, 25, 44, 25, 43, 25,
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54, 55, 25, 25, 25, 44, 25, 43,
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25, 56, 25, 25, 25, 44, 25, 43,
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25, 57, 25, 25, 25, 44, 25, 43,
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25, 58, 25, 25, 25, 44, 25, 43,
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25, 59, 25, 25, 25, 44, 25, 43,
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25, 60, 25, 25, 25, 44, 25, 43,
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25, 61, 25, 25, 25, 44, 25, 43,
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25, 62, 25, 25, 25, 44, 25, 43,
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25, 57, 25, 25, 25, 44,
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}
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var _expression_trans_targs []byte = []byte{
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11, 0, 11, 2, 3, 4, 5, 11,
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7, 8, 11, 9, 18, 11, 12, 13,
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14, 15, 16, 17, 18, 19, 20, 21,
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22, 23, 24, 26, 33, 38, 39, 40,
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11, 11, 11, 1, 6, 10, 11, 11,
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11, 11, 11, 11, 11, 25, 23, 27,
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28, 29, 30, 31, 32, 23, 34, 37,
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35, 36, 23, 23, 23, 23, 41,
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}
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var _expression_trans_actions []byte = []byte{
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33, 0, 11, 0, 0, 0, 0, 7,
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0, 0, 9, 0, 37, 23, 0, 0,
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5, 5, 5, 5, 61, 0, 0, 0,
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0, 58, 0, 0, 0, 0, 0, 0,
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29, 31, 15, 0, 0, 0, 35, 25,
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19, 13, 17, 21, 27, 0, 43, 0,
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0, 0, 0, 0, 0, 49, 0, 0,
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0, 0, 40, 52, 55, 46, 0,
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}
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var _expression_to_state_actions []byte = []byte{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 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,
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}
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var _expression_from_state_actions []byte = []byte{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 3, 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,
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}
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var _expression_eof_trans []int16 = []int16{
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 0, 33, 34, 34, 34,
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34, 34, 39, 40, 34, 34, 34, 39,
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45, 45, 45, 45, 45, 45, 45, 45,
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45, 45, 45, 45, 45, 45, 45, 45,
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45, 45,
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}
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const expression_start int = 11
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const expression_first_final int = 11
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const expression_error int = -1
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const expression_en_main int = 11
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//line scanner.rl:13
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type lexer struct {
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data []byte
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p, pe, cs int
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ts, te, act int
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val func(Context) interface{}
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}
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func (l* lexer) token() string {
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return string(l.data[l.ts:l.te])
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}
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func newLexer(data []byte) *lexer {
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lex := &lexer{
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data: data,
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pe: len(data),
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}
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//line scanner.go:200
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{
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lex.cs = expression_start
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lex.ts = 0
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lex.te = 0
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lex.act = 0
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}
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//line scanner.rl:32
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return lex
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}
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func (lex *lexer) Lex(out *yySymType) int {
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eof := lex.pe
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tok := 0
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//line scanner.go:217
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{
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var _klen int
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var _trans int
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var _acts int
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var _nacts uint
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var _keys int
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if ( lex.p) == ( lex.pe) {
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goto _test_eof
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}
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_resume:
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_acts = int(_expression_from_state_actions[ lex.cs])
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_nacts = uint(_expression_actions[_acts]); _acts++
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for ; _nacts > 0; _nacts-- {
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_acts++
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switch _expression_actions[_acts - 1] {
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case 1:
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//line NONE:1
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lex.ts = ( lex.p)
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//line scanner.go:237
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}
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}
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_keys = int(_expression_key_offsets[ lex.cs])
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_trans = int(_expression_index_offsets[ lex.cs])
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_klen = int(_expression_single_lengths[ lex.cs])
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if _klen > 0 {
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_lower := int(_keys)
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var _mid int
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_upper := int(_keys + _klen - 1)
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for {
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if _upper < _lower {
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break
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}
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_mid = _lower + ((_upper - _lower) >> 1)
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switch {
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case lex.data[( lex.p)] < _expression_trans_keys[_mid]:
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_upper = _mid - 1
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case lex.data[( lex.p)] > _expression_trans_keys[_mid]:
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_lower = _mid + 1
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default:
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_trans += int(_mid - int(_keys))
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goto _match
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}
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}
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_keys += _klen
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_trans += _klen
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}
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_klen = int(_expression_range_lengths[ lex.cs])
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if _klen > 0 {
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_lower := int(_keys)
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var _mid int
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_upper := int(_keys + (_klen << 1) - 2)
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for {
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if _upper < _lower {
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break
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}
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_mid = _lower + (((_upper - _lower) >> 1) & ^1)
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switch {
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case lex.data[( lex.p)] < _expression_trans_keys[_mid]:
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_upper = _mid - 2
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case lex.data[( lex.p)] > _expression_trans_keys[_mid + 1]:
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_lower = _mid + 2
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default:
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_trans += int((_mid - int(_keys)) >> 1)
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goto _match
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}
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}
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_trans += _klen
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}
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_match:
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_trans = int(_expression_indicies[_trans])
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_eof_trans:
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lex.cs = int(_expression_trans_targs[_trans])
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if _expression_trans_actions[_trans] == 0 {
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goto _again
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}
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_acts = int(_expression_trans_actions[_trans])
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_nacts = uint(_expression_actions[_acts]); _acts++
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for ; _nacts > 0; _nacts-- {
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_acts++
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switch _expression_actions[_acts-1] {
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case 2:
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//line NONE:1
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lex.te = ( lex.p)+1
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case 3:
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//line scanner.rl:59
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lex.act = 4;
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case 4:
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//line scanner.rl:40
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lex.act = 6;
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case 5:
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//line scanner.rl:95
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lex.act = 11;
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case 6:
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//line scanner.rl:96
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lex.act = 12;
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case 7:
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//line scanner.rl:97
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lex.act = 13;
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case 8:
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//line scanner.rl:98
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lex.act = 14;
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case 9:
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//line scanner.rl:99
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lex.act = 15;
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case 10:
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//line scanner.rl:45
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lex.act = 17;
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case 11:
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//line scanner.rl:103
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lex.act = 19;
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case 12:
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//line scanner.rl:85
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lex.te = ( lex.p)+1
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{ tok = ASSIGN; ( lex.p)++; goto _out
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}
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case 13:
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//line scanner.rl:86
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lex.te = ( lex.p)+1
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{ tok = LOOP; ( lex.p)++; goto _out
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}
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case 14:
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//line scanner.rl:68
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lex.te = ( lex.p)+1
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{
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tok = LITERAL
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// TODO unescape \x
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out.val = string(lex.data[lex.ts+1:lex.te-1])
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( lex.p)++; goto _out
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}
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case 15:
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//line scanner.rl:91
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lex.te = ( lex.p)+1
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{ tok = EQ; ( lex.p)++; goto _out
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}
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case 16:
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//line scanner.rl:92
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lex.te = ( lex.p)+1
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{ tok = NEQ; ( lex.p)++; goto _out
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}
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case 17:
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//line scanner.rl:93
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lex.te = ( lex.p)+1
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{ tok = GE; ( lex.p)++; goto _out
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}
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case 18:
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//line scanner.rl:94
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lex.te = ( lex.p)+1
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{ tok = LE; ( lex.p)++; goto _out
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}
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case 19:
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//line scanner.rl:100
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lex.te = ( lex.p)+1
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{ tok = KEYWORD; out.name = string(lex.data[lex.ts:lex.te-1]); ( lex.p)++; goto _out
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}
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case 20:
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//line scanner.rl:103
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lex.te = ( lex.p)+1
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{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
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}
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case 21:
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//line scanner.rl:50
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lex.te = ( lex.p)
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( lex.p)--
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{
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tok = LITERAL
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n, err := strconv.ParseInt(lex.token(), 10, 64)
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if err != nil {
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panic(err)
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}
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out.val = int(n)
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( lex.p)++; goto _out
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}
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case 22:
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//line scanner.rl:45
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lex.te = ( lex.p)
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( lex.p)--
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{
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tok = IDENTIFIER
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out.name = lex.token()
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( lex.p)++; goto _out
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}
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case 23:
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//line scanner.rl:102
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lex.te = ( lex.p)
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( lex.p)--
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case 24:
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//line scanner.rl:103
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lex.te = ( lex.p)
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( lex.p)--
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{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
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}
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case 25:
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//line scanner.rl:103
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( lex.p) = ( lex.te) - 1
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{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
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}
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case 26:
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//line NONE:1
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switch lex.act {
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case 4:
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{( lex.p) = ( lex.te) - 1
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tok = LITERAL
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n, err := strconv.ParseFloat(lex.token(), 64)
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if err != nil {
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panic(err)
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}
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out.val = n
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( lex.p)++; goto _out
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}
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case 6:
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{( lex.p) = ( lex.te) - 1
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tok = LITERAL
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out.val = lex.token() == "true"
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( lex.p)++; goto _out
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}
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case 11:
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{( lex.p) = ( lex.te) - 1
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tok = AND; ( lex.p)++; goto _out
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}
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case 12:
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{( lex.p) = ( lex.te) - 1
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tok = OR; ( lex.p)++; goto _out
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}
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case 13:
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{( lex.p) = ( lex.te) - 1
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tok = CONTAINS; ( lex.p)++; goto _out
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}
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case 14:
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{( lex.p) = ( lex.te) - 1
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tok = FOR; ( lex.p)++; goto _out
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}
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case 15:
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{( lex.p) = ( lex.te) - 1
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tok = IN; ( lex.p)++; goto _out
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}
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case 17:
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{( lex.p) = ( lex.te) - 1
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tok = IDENTIFIER
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out.name = lex.token()
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( lex.p)++; goto _out
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}
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case 19:
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{( lex.p) = ( lex.te) - 1
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tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
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}
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}
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//line scanner.go:485
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}
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}
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_again:
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_acts = int(_expression_to_state_actions[ lex.cs])
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_nacts = uint(_expression_actions[_acts]); _acts++
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for ; _nacts > 0; _nacts-- {
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_acts++
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switch _expression_actions[_acts-1] {
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case 0:
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//line NONE:1
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lex.ts = 0
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//line scanner.go:499
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}
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}
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( lex.p)++
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if ( lex.p) != ( lex.pe) {
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goto _resume
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}
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_test_eof: {}
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if ( lex.p) == eof {
|
|
if _expression_eof_trans[ lex.cs] > 0 {
|
|
_trans = int(_expression_eof_trans[ lex.cs] - 1)
|
|
goto _eof_trans
|
|
}
|
|
}
|
|
|
|
_out: {}
|
|
}
|
|
|
|
//line scanner.rl:107
|
|
|
|
|
|
return tok
|
|
}
|
|
|
|
func (lex *lexer) Error(e string) {
|
|
fmt.Println("error:", e)
|
|
} |