mirror of
https://github.com/danog/liquid.git
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447 lines
8.7 KiB
Go
447 lines
8.7 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, 9,
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1, 10, 1, 11, 1, 12, 1, 13,
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1, 14, 1, 15, 1, 16, 1, 17,
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1, 18, 1, 19, 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,
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}
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var _expression_key_offsets []byte = []byte{
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0, 1, 2, 4, 30, 33, 34, 35,
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36, 39, 41, 44, 45, 52, 60, 68,
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76, 84, 92, 100, 108, 116, 124, 132,
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140, 148, 156, 164, 172,
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}
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var _expression_trans_keys []byte = []byte{
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34, 39, 48, 57, 32, 33, 34, 39,
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45, 46, 59, 61, 91, 93, 95, 97,
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99, 102, 111, 116, 9, 13, 48, 57,
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60, 62, 65, 90, 98, 122, 32, 9,
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13, 61, 34, 39, 46, 48, 57, 48,
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57, 46, 48, 57, 61, 95, 48, 57,
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65, 90, 97, 122, 95, 110, 48, 57,
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65, 90, 97, 122, 95, 100, 48, 57,
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65, 90, 97, 122, 95, 111, 48, 57,
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65, 90, 97, 122, 95, 110, 48, 57,
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65, 90, 97, 122, 95, 116, 48, 57,
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65, 90, 97, 122, 95, 97, 48, 57,
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65, 90, 98, 122, 95, 105, 48, 57,
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65, 90, 97, 122, 95, 110, 48, 57,
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65, 90, 97, 122, 95, 115, 48, 57,
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65, 90, 97, 122, 95, 97, 48, 57,
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65, 90, 98, 122, 95, 108, 48, 57,
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65, 90, 97, 122, 95, 115, 48, 57,
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65, 90, 97, 122, 95, 101, 48, 57,
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65, 90, 97, 122, 95, 114, 48, 57,
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65, 90, 97, 122, 95, 114, 48, 57,
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65, 90, 97, 122, 95, 117, 48, 57,
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65, 90, 97, 122,
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}
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var _expression_single_lengths []byte = []byte{
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1, 1, 0, 16, 1, 1, 1, 1,
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1, 0, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2,
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}
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var _expression_range_lengths []byte = []byte{
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0, 0, 1, 5, 1, 0, 0, 0,
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1, 1, 1, 0, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3,
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}
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var _expression_index_offsets []byte = []byte{
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0, 2, 4, 6, 28, 31, 33, 35,
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37, 40, 42, 45, 47, 52, 58, 64,
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70, 76, 82, 88, 94, 100, 106, 112,
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118, 124, 130, 136, 142,
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}
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var _expression_indicies []byte = []byte{
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2, 1, 2, 3, 4, 0, 6, 7,
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8, 9, 10, 11, 13, 15, 13, 13,
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16, 17, 18, 19, 20, 21, 6, 12,
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14, 16, 16, 5, 6, 6, 22, 24,
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23, 2, 1, 2, 3, 26, 12, 25,
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4, 23, 4, 12, 27, 28, 25, 16,
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16, 16, 16, 23, 16, 30, 16, 16,
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16, 29, 16, 31, 16, 16, 16, 29,
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16, 32, 16, 16, 16, 29, 16, 33,
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16, 16, 16, 29, 16, 34, 16, 16,
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16, 29, 16, 35, 16, 16, 16, 29,
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16, 36, 16, 16, 16, 29, 16, 37,
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16, 16, 16, 29, 16, 31, 16, 16,
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16, 29, 16, 38, 16, 16, 16, 29,
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16, 39, 16, 16, 16, 29, 16, 40,
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16, 16, 16, 29, 16, 41, 16, 16,
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16, 29, 16, 31, 16, 16, 16, 29,
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16, 42, 16, 16, 16, 29, 16, 40,
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16, 16, 16, 29,
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}
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var _expression_trans_targs []byte = []byte{
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3, 0, 3, 1, 9, 3, 4, 5,
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6, 7, 8, 9, 10, 3, 5, 11,
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12, 13, 15, 22, 26, 27, 3, 3,
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3, 3, 2, 3, 3, 3, 14, 12,
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16, 17, 18, 19, 20, 21, 23, 24,
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25, 12, 28,
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}
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var _expression_trans_actions []byte = []byte{
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25, 0, 7, 0, 29, 15, 0, 44,
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5, 5, 5, 35, 0, 9, 35, 0,
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41, 0, 0, 0, 0, 0, 21, 27,
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13, 23, 0, 17, 11, 19, 0, 38,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 32, 0,
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}
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var _expression_to_state_actions []byte = []byte{
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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,
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}
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var _expression_from_state_actions []byte = []byte{
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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,
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}
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var _expression_eof_trans []byte = []byte{
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1, 1, 1, 0, 23, 24, 26, 26,
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26, 24, 28, 26, 24, 30, 30, 30,
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30, 30, 30, 30, 30, 30, 30, 30,
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30, 30, 30, 30, 30,
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}
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const expression_start int = 3
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const expression_first_final int = 3
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const expression_error int = -1
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const expression_en_main int = 3
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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:163
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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:180
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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:200
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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 = 2;
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case 4:
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//line scanner.rl:40
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lex.act = 4;
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case 5:
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//line scanner.rl:86
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lex.act = 5;
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case 6:
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//line scanner.rl:74
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lex.act = 8;
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case 7:
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//line scanner.rl:45
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lex.act = 9;
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case 8:
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//line scanner.rl:92
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lex.act = 11;
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case 9:
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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 10:
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//line scanner.rl:86
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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 11:
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//line scanner.rl:87
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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 12:
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//line scanner.rl:74
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lex.te = ( lex.p)+1
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{ tok = RELATION; out.name = lex.token(); ( lex.p)++; goto _out
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}
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case 13:
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//line scanner.rl:92
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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 14:
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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 15:
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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 16:
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//line scanner.rl:91
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lex.te = ( lex.p)
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( lex.p)--
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case 17:
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//line scanner.rl:92
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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 18:
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//line scanner.rl:92
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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 19:
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//line NONE:1
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switch lex.act {
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case 2:
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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 4:
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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 5:
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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 8:
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{( lex.p) = ( lex.te) - 1
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tok = RELATION; out.name = lex.token(); ( lex.p)++; goto _out
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}
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case 9:
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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 11:
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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:407
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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:421
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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 {
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if _expression_eof_trans[ lex.cs] > 0 {
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_trans = int(_expression_eof_trans[ lex.cs] - 1)
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goto _eof_trans
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}
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}
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_out: {}
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}
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//line scanner.rl:96
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return tok
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}
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func (lex *lexer) Error(e string) {
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fmt.Println("error:", e)
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} |