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lexer.go
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/
lexer.go
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//line lexer.rl:1
package goeval
import (
"encoding/json"
"errors"
"fmt"
"strconv"
"strings"
"sync"
"github.com/tidwall/gjson"
)
//line lexer.go:18
var _expression_actions []byte = []byte{
0, 1, 0, 1, 1, 1, 2, 1, 12,
1, 13, 1, 14, 1, 15, 1, 16,
1, 17, 1, 18, 1, 19, 1, 20,
1, 21, 1, 22, 1, 23, 1, 24,
1, 25, 1, 26, 1, 27, 1, 28,
1, 29, 1, 30, 1, 31, 1, 32,
1, 33, 1, 34, 1, 35, 1, 36,
1, 37, 1, 38, 2, 2, 3, 2,
2, 4, 2, 2, 5, 2, 2, 6,
2, 2, 7, 2, 2, 8, 2, 2,
9, 2, 2, 10, 2, 2, 11,
}
var _expression_key_offsets []int16 = []int16{
0, 2, 4, 5, 8, 10, 11, 13,
16, 18, 20, 23, 25, 27, 30, 33,
35, 36, 38, 41, 43, 45, 48, 50,
52, 55, 57, 59, 61, 62, 63, 66,
68, 69, 71, 74, 76, 78, 81, 83,
85, 88, 90, 92, 123, 126, 128, 130,
132, 134, 136, 138, 140, 142, 144, 145,
147, 149, 152, 154, 162, 164, 166, 168,
175, 176, 178, 179, 180, 187, 189, 197,
205, 213, 221, 229, 237, 245, 253, 261,
}
var _expression_trans_keys []byte = []byte{
34, 92, 34, 92, 91, 34, 39, 96,
34, 92, 93, 34, 92, 34, 92, 93,
39, 92, 39, 92, 39, 92, 93, 92,
96, 92, 96, 92, 93, 96, 34, 39,
96, 34, 92, 93, 34, 92, 34, 92,
93, 39, 92, 39, 92, 39, 92, 93,
92, 96, 92, 96, 92, 93, 96, 39,
92, 39, 92, 48, 57, 46, 91, 34,
39, 96, 34, 92, 93, 34, 92, 34,
92, 93, 39, 92, 39, 92, 39, 92,
93, 92, 96, 92, 96, 92, 93, 96,
92, 96, 92, 96, 32, 33, 34, 36,
38, 39, 45, 46, 58, 60, 61, 62,
63, 91, 93, 96, 102, 105, 110, 116,
124, 9, 13, 37, 47, 48, 57, 65,
90, 95, 122, 32, 9, 13, 61, 126,
34, 92, 46, 91, 34, 92, 39, 92,
92, 96, 34, 92, 39, 92, 92, 96,
38, 39, 92, 48, 57, 46, 48, 57,
48, 57, 36, 95, 48, 57, 65, 90,
97, 122, 34, 92, 39, 92, 92, 96,
95, 48, 57, 65, 90, 97, 122, 61,
61, 126, 61, 63, 95, 48, 57, 65,
90, 97, 122, 92, 96, 95, 97, 48,
57, 65, 90, 98, 122, 95, 108, 48,
57, 65, 90, 97, 122, 95, 115, 48,
57, 65, 90, 97, 122, 95, 101, 48,
57, 65, 90, 97, 122, 95, 110, 48,
57, 65, 90, 97, 122, 95, 105, 48,
57, 65, 90, 97, 122, 95, 108, 48,
57, 65, 90, 97, 122, 95, 114, 48,
57, 65, 90, 97, 122, 95, 117, 48,
57, 65, 90, 97, 122, 124,
}
var _expression_single_lengths []byte = []byte{
2, 2, 1, 3, 2, 1, 2, 3,
2, 2, 3, 2, 2, 3, 3, 2,
1, 2, 3, 2, 2, 3, 2, 2,
3, 2, 2, 0, 1, 1, 3, 2,
1, 2, 3, 2, 2, 3, 2, 2,
3, 2, 2, 21, 1, 2, 2, 2,
2, 2, 2, 2, 2, 2, 1, 2,
0, 1, 0, 2, 2, 2, 2, 1,
1, 2, 1, 1, 1, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 1,
}
var _expression_range_lengths []byte = []byte{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 5, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 3, 0, 0, 0, 3,
0, 0, 0, 0, 3, 0, 3, 3,
3, 3, 3, 3, 3, 3, 3, 0,
}
var _expression_index_offsets []int16 = []int16{
0, 3, 6, 8, 12, 15, 17, 20,
24, 27, 30, 34, 37, 40, 44, 48,
51, 53, 56, 60, 63, 66, 70, 73,
76, 80, 83, 86, 88, 90, 92, 96,
99, 101, 104, 108, 111, 114, 118, 121,
124, 128, 131, 134, 161, 164, 167, 170,
173, 176, 179, 182, 185, 188, 191, 193,
196, 198, 201, 203, 209, 212, 215, 218,
223, 225, 228, 230, 232, 237, 240, 246,
252, 258, 264, 270, 276, 282, 288, 294,
}
var _expression_indicies []byte = []byte{
2, 3, 1, 4, 3, 1, 6, 5,
7, 8, 9, 5, 10, 11, 7, 12,
0, 13, 11, 7, 10, 11, 14, 7,
10, 15, 8, 16, 15, 8, 10, 15,
17, 8, 18, 10, 9, 18, 19, 9,
18, 20, 10, 9, 21, 22, 23, 5,
24, 25, 21, 26, 0, 27, 25, 21,
24, 25, 28, 21, 24, 29, 22, 30,
29, 22, 24, 29, 31, 22, 32, 24,
23, 32, 33, 23, 32, 34, 24, 23,
2, 36, 35, 37, 36, 35, 39, 38,
40, 5, 41, 5, 42, 43, 44, 5,
45, 46, 42, 47, 0, 48, 46, 42,
45, 46, 49, 42, 45, 50, 43, 51,
50, 43, 45, 50, 52, 43, 53, 45,
44, 53, 54, 44, 53, 55, 45, 44,
57, 2, 56, 57, 58, 56, 60, 61,
62, 63, 65, 66, 67, 68, 64, 70,
71, 72, 73, 64, 64, 75, 76, 77,
78, 79, 80, 60, 64, 69, 74, 74,
59, 60, 60, 81, 83, 84, 82, 2,
3, 1, 86, 87, 85, 10, 11, 7,
10, 15, 8, 18, 10, 9, 24, 25,
21, 24, 29, 22, 32, 24, 23, 90,
85, 2, 36, 35, 69, 82, 92, 69,
91, 39, 91, 93, 94, 94, 94, 94,
85, 45, 46, 42, 45, 50, 43, 53,
45, 44, 94, 94, 94, 94, 96, 97,
82, 98, 99, 82, 100, 82, 101, 82,
74, 74, 74, 74, 0, 57, 2, 56,
74, 103, 74, 74, 74, 102, 74, 104,
74, 74, 74, 102, 74, 105, 74, 74,
74, 102, 74, 106, 74, 74, 74, 102,
74, 107, 74, 74, 74, 102, 74, 108,
74, 74, 74, 102, 74, 109, 74, 74,
74, 102, 74, 110, 74, 74, 74, 102,
74, 105, 74, 74, 74, 102, 111, 85,
}
var _expression_trans_targs []byte = []byte{
43, 0, 43, 1, 46, 43, 3, 4,
8, 11, 5, 6, 43, 7, 48, 9,
10, 49, 12, 13, 50, 15, 19, 22,
16, 17, 43, 18, 51, 20, 21, 52,
23, 24, 53, 25, 26, 55, 43, 58,
29, 30, 31, 35, 38, 32, 33, 43,
34, 60, 36, 37, 61, 39, 40, 62,
41, 42, 69, 43, 44, 45, 46, 47,
43, 54, 55, 56, 59, 57, 64, 65,
66, 67, 68, 69, 70, 74, 75, 77,
79, 43, 43, 43, 43, 43, 2, 14,
43, 43, 43, 43, 27, 28, 63, 43,
43, 43, 43, 43, 43, 43, 43, 71,
72, 73, 68, 68, 76, 68, 78, 43,
}
var _expression_trans_actions []byte = []byte{
59, 0, 7, 0, 61, 57, 0, 0,
0, 0, 0, 0, 31, 0, 82, 0,
0, 82, 0, 0, 82, 0, 0, 0,
0, 0, 29, 0, 79, 0, 0, 79,
0, 0, 79, 0, 0, 61, 55, 0,
0, 0, 0, 0, 0, 0, 0, 27,
0, 76, 0, 0, 76, 0, 0, 76,
0, 0, 61, 35, 0, 0, 85, 85,
33, 0, 85, 0, 85, 5, 0, 0,
0, 0, 73, 85, 0, 0, 0, 0,
0, 49, 51, 11, 19, 53, 0, 0,
47, 45, 21, 37, 0, 0, 0, 43,
41, 15, 9, 17, 13, 25, 39, 0,
0, 0, 64, 70, 0, 67, 0, 23,
}
var _expression_to_state_actions []byte = []byte{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
}
var _expression_from_state_actions []byte = []byte{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 3, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
}
var _expression_eof_trans []int16 = []int16{
1, 1, 6, 6, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 6, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 39, 6, 6, 6, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 0, 82, 83, 1, 86,
89, 89, 89, 90, 90, 90, 86, 1,
83, 92, 92, 86, 96, 96, 96, 97,
83, 83, 83, 83, 1, 1, 103, 103,
103, 103, 103, 103, 103, 103, 103, 86,
}
const expression_start int = 43
const expression_first_final int = 43
const expression_error int = -1
const expression_en_main int = 43
//line lexer.rl:20
type lexer struct {
data []byte
p, pe, cs int
ts, te, act int
answer Value
kv map[string]any
err error
tokens []string
fns map[string]Func
once sync.Once
json gjson.Result
}
func (lex *lexer) token() string {
return string(lex.data[lex.ts:lex.te])
}
func newLexer(data []byte, kv map[string]any, fns map[string]Func) *lexer {
lex := &lexer{
data: data,
pe: len(data),
kv: kv,
fns: fns,
}
//line lexer.go:270
{
lex.cs = expression_start
lex.ts = 0
lex.te = 0
lex.act = 0
}
//line lexer.rl:47
return lex
}
func (lex *lexer) Lex(out *yySymType) int {
eof := lex.pe
tok := 0
//line lexer.go:287
{
var _klen int
var _trans int
var _acts int
var _nacts uint
var _keys int
if (lex.p) == (lex.pe) {
goto _test_eof
}
_resume:
_acts = int(_expression_from_state_actions[lex.cs])
_nacts = uint(_expression_actions[_acts])
_acts++
for ; _nacts > 0; _nacts-- {
_acts++
switch _expression_actions[_acts-1] {
case 1:
//line NONE:1
lex.ts = (lex.p)
//line lexer.go:307
}
}
_keys = int(_expression_key_offsets[lex.cs])
_trans = int(_expression_index_offsets[lex.cs])
_klen = int(_expression_single_lengths[lex.cs])
if _klen > 0 {
_lower := int(_keys)
var _mid int
_upper := int(_keys + _klen - 1)
for {
if _upper < _lower {
break
}
_mid = _lower + ((_upper - _lower) >> 1)
switch {
case lex.data[(lex.p)] < _expression_trans_keys[_mid]:
_upper = _mid - 1
case lex.data[(lex.p)] > _expression_trans_keys[_mid]:
_lower = _mid + 1
default:
_trans += int(_mid - int(_keys))
goto _match
}
}
_keys += _klen
_trans += _klen
}
_klen = int(_expression_range_lengths[lex.cs])
if _klen > 0 {
_lower := int(_keys)
var _mid int
_upper := int(_keys + (_klen << 1) - 2)
for {
if _upper < _lower {
break
}
_mid = _lower + (((_upper - _lower) >> 1) & ^1)
switch {
case lex.data[(lex.p)] < _expression_trans_keys[_mid]:
_upper = _mid - 2
case lex.data[(lex.p)] > _expression_trans_keys[_mid+1]:
_lower = _mid + 2
default:
_trans += int((_mid - int(_keys)) >> 1)
goto _match
}
}
_trans += _klen
}
_match:
_trans = int(_expression_indicies[_trans])
_eof_trans:
lex.cs = int(_expression_trans_targs[_trans])
if _expression_trans_actions[_trans] == 0 {
goto _again
}
_acts = int(_expression_trans_actions[_trans])
_nacts = uint(_expression_actions[_acts])
_acts++
for ; _nacts > 0; _nacts-- {
_acts++
switch _expression_actions[_acts-1] {
case 2:
//line NONE:1
lex.te = (lex.p) + 1
case 3:
//line lexer.rl:103
lex.act = 1
case 4:
//line lexer.rl:55
lex.act = 3
case 5:
//line lexer.rl:133
lex.act = 4
case 6:
//line lexer.rl:147
lex.act = 14
case 7:
//line lexer.rl:74
lex.act = 15
case 8:
//line lexer.rl:89
lex.act = 17
case 9:
//line lexer.rl:60
lex.act = 18
case 10:
//line lexer.rl:79
lex.act = 19
case 11:
//line lexer.rl:156
lex.act = 22
case 12:
//line lexer.rl:103
lex.te = (lex.p) + 1
{
tok = VALUE
val := string(lex.token())
val = strings.ReplaceAll(val, "\\\\", "\\")
if val[0] == '"' {
val = strings.ReplaceAll(val, "\\\"", "\"")
} else if val[0] == '\'' {
val = strings.ReplaceAll(val, "\\'", "'")
} else if val[0] == '`' {
val = strings.ReplaceAll(val, "\\`", "`")
}
out.val = NewValue("", val[1:len(val)-1])
(lex.p)++
goto _out
}
case 13:
//line lexer.rl:136
lex.te = (lex.p) + 1
{
tok = EQ
(lex.p)++
goto _out
}
case 14:
//line lexer.rl:137
lex.te = (lex.p) + 1
{
tok = NEQ
(lex.p)++
goto _out
}
case 15:
//line lexer.rl:138
lex.te = (lex.p) + 1
{
tok = GTE
(lex.p)++
goto _out
}
case 16:
//line lexer.rl:139
lex.te = (lex.p) + 1
{
tok = LTE
(lex.p)++
goto _out
}
case 17:
//line lexer.rl:140
lex.te = (lex.p) + 1
{
tok = RE
(lex.p)++
goto _out
}
case 18:
//line lexer.rl:141
lex.te = (lex.p) + 1
{
tok = NRE
(lex.p)++
goto _out
}
case 19:
//line lexer.rl:142
lex.te = (lex.p) + 1
{
tok = AND
(lex.p)++
goto _out
}
case 20:
//line lexer.rl:143
lex.te = (lex.p) + 1
{
tok = OR
(lex.p)++
goto _out
}
case 21:
//line lexer.rl:144
lex.te = (lex.p) + 1
{
tok = NC
(lex.p)++
goto _out
}
case 22:
//line lexer.rl:89
lex.te = (lex.p) + 1
{
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+5 : lex.te-2])
(lex.p)++
goto _out
}
case 23:
//line lexer.rl:60
lex.te = (lex.p) + 1
{
tok = VALUE
path := string(lex.data[lex.ts+3 : lex.te-2])
lex.once.Do(func() {
bs, err := json.Marshal(lex.kv)
if err != nil {
panic(fmt.Errorf("parameter json marshal failed, %s", err))
}
lex.json = gjson.ParseBytes(bs)
})
res := lex.json.Get(path)
out.val = NewValue(path, res)
(lex.p)++
goto _out
}
case 24:
//line lexer.rl:79
lex.te = (lex.p) + 1
{
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+4 : lex.te-2])
(lex.p)++
goto _out
}
case 25:
//line lexer.rl:155
lex.te = (lex.p) + 1
{
tok = int(lex.data[lex.ts])
(lex.p)++
goto _out
}
case 26:
//line lexer.rl:156
lex.te = (lex.p) + 1
{
panic(errors.New("unexpected character: " + string(lex.data[lex.ts])))
}
case 27:
//line lexer.rl:94
lex.te = (lex.p)
(lex.p)--
{
tok = VALUE
n, err := strconv.ParseFloat(lex.token(), 64)
if err != nil {
panic(err)
}
out.val = NewValue("", n)
(lex.p)++
goto _out
}
case 28:
//line lexer.rl:74
lex.te = (lex.p)
(lex.p)--
{
tok = IDENTIFIER
out.name = lex.token()
(lex.p)++
goto _out
}
case 29:
//line lexer.rl:84
lex.te = (lex.p)
(lex.p)--
{
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+1 : lex.te])
(lex.p)++
goto _out
}
case 30:
//line lexer.rl:89
lex.te = (lex.p)
(lex.p)--
{
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+5 : lex.te-2])
(lex.p)++
goto _out
}
case 31:
//line lexer.rl:60
lex.te = (lex.p)
(lex.p)--
{
tok = VALUE
path := string(lex.data[lex.ts+3 : lex.te-2])
lex.once.Do(func() {
bs, err := json.Marshal(lex.kv)
if err != nil {
panic(fmt.Errorf("parameter json marshal failed, %s", err))
}
lex.json = gjson.ParseBytes(bs)
})
res := lex.json.Get(path)
out.val = NewValue(path, res)
(lex.p)++
goto _out
}
case 32:
//line lexer.rl:79
lex.te = (lex.p)
(lex.p)--
{
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+4 : lex.te-2])
(lex.p)++
goto _out
}
case 33:
//line lexer.rl:154
lex.te = (lex.p)
(lex.p)--
case 34:
//line lexer.rl:155
lex.te = (lex.p)
(lex.p)--
{
tok = int(lex.data[lex.ts])
(lex.p)++
goto _out
}
case 35:
//line lexer.rl:156
lex.te = (lex.p)
(lex.p)--
{
panic(errors.New("unexpected character: " + string(lex.data[lex.ts])))
}
case 36:
//line lexer.rl:94
(lex.p) = (lex.te) - 1
{
tok = VALUE
n, err := strconv.ParseFloat(lex.token(), 64)
if err != nil {
panic(err)
}
out.val = NewValue("", n)
(lex.p)++
goto _out
}
case 37:
//line lexer.rl:156
(lex.p) = (lex.te) - 1
{
panic(errors.New("unexpected character: " + string(lex.data[lex.ts])))
}
case 38:
//line NONE:1
switch lex.act {
case 1:
{
(lex.p) = (lex.te) - 1
tok = VALUE
val := string(lex.token())
val = strings.ReplaceAll(val, "\\\\", "\\")
if val[0] == '"' {
val = strings.ReplaceAll(val, "\\\"", "\"")
} else if val[0] == '\'' {
val = strings.ReplaceAll(val, "\\'", "'")
} else if val[0] == '`' {
val = strings.ReplaceAll(val, "\\`", "`")
}
out.val = NewValue("", val[1:len(val)-1])
(lex.p)++
goto _out
}
case 3:
{
(lex.p) = (lex.te) - 1
tok = VALUE
out.val = NewValue("", lex.token() == "true")
(lex.p)++
goto _out
}
case 4:
{
(lex.p) = (lex.te) - 1
tok = VALUE
out.val = nilValue
(lex.p)++
goto _out
}
case 14:
{
(lex.p) = (lex.te) - 1
tok = IN
(lex.p)++
goto _out
}
case 15:
{
(lex.p) = (lex.te) - 1
tok = IDENTIFIER
out.name = lex.token()
(lex.p)++
goto _out
}
case 17:
{
(lex.p) = (lex.te) - 1
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+5 : lex.te-2])
(lex.p)++
goto _out
}
case 18:
{
(lex.p) = (lex.te) - 1
tok = VALUE
path := string(lex.data[lex.ts+3 : lex.te-2])
lex.once.Do(func() {
bs, err := json.Marshal(lex.kv)
if err != nil {
panic(fmt.Errorf("parameter json marshal failed, %s", err))
}
lex.json = gjson.ParseBytes(bs)
})
res := lex.json.Get(path)
out.val = NewValue(path, res)
(lex.p)++
goto _out
}
case 19:
{
(lex.p) = (lex.te) - 1
tok = IDENTIFIER
out.name = string(lex.data[lex.ts+4 : lex.te-2])
(lex.p)++
goto _out
}
case 22:
{
(lex.p) = (lex.te) - 1
panic(errors.New("unexpected character: " + string(lex.data[lex.ts])))
}
}
//line lexer.go:704
}
}
_again:
_acts = int(_expression_to_state_actions[lex.cs])
_nacts = uint(_expression_actions[_acts])
_acts++
for ; _nacts > 0; _nacts-- {
_acts++
switch _expression_actions[_acts-1] {
case 0:
//line NONE:1
lex.ts = 0
//line lexer.go:718
}
}
(lex.p)++
if (lex.p) != (lex.pe) {
goto _resume
}
_test_eof:
{
}
if (lex.p) == eof {
if _expression_eof_trans[lex.cs] > 0 {
_trans = int(_expression_eof_trans[lex.cs] - 1)
goto _eof_trans
}
}
_out:
{
}
}
//line lexer.rl:160
if tok != 0 {
lex.tokens = append(lex.tokens, lex.token())
}
return tok
}
func (lex *lexer) Error(e string) {
lex.err = errors.New(e)
}