mirror of
https://github.com/danog/liquid.git
synced 2025-01-23 08:11:23 +01:00
488 lines
9.8 KiB
Go
488 lines
9.8 KiB
Go
|
|
//line scanner.rl:1
|
|
// Adapted from https://github.com/mhamrah/thermostat
|
|
package expressions
|
|
|
|
import "fmt"
|
|
import "strconv"
|
|
|
|
|
|
//line scanner.go:11
|
|
var _expression_actions []byte = []byte{
|
|
0, 1, 0, 1, 1, 1, 2, 1, 10,
|
|
1, 11, 1, 12, 1, 13, 1, 14,
|
|
1, 15, 1, 16, 1, 17, 1, 18,
|
|
1, 19, 1, 20, 1, 21, 1, 22,
|
|
2, 2, 3, 2, 2, 4, 2, 2,
|
|
5, 2, 2, 6, 2, 2, 7, 2,
|
|
2, 8, 2, 2, 9,
|
|
}
|
|
|
|
var _expression_key_offsets []byte = []byte{
|
|
0, 1, 2, 3, 4, 5, 6, 7,
|
|
8, 9, 10, 12, 37, 40, 41, 42,
|
|
44, 45, 48, 50, 53, 54, 62, 71,
|
|
80, 89, 98, 107, 116, 125, 134, 143,
|
|
153, 162, 171, 180, 189, 198, 207, 216,
|
|
}
|
|
|
|
var _expression_trans_keys []byte = []byte{
|
|
34, 115, 115, 105, 103, 110, 111, 111,
|
|
112, 39, 48, 57, 32, 33, 34, 37,
|
|
39, 45, 46, 61, 95, 97, 99, 102,
|
|
105, 111, 116, 9, 13, 48, 57, 60,
|
|
62, 65, 90, 98, 122, 32, 9, 13,
|
|
61, 34, 97, 108, 39, 46, 48, 57,
|
|
48, 57, 46, 48, 57, 61, 58, 95,
|
|
48, 57, 65, 90, 97, 122, 58, 95,
|
|
110, 48, 57, 65, 90, 97, 122, 58,
|
|
95, 100, 48, 57, 65, 90, 97, 122,
|
|
58, 95, 111, 48, 57, 65, 90, 97,
|
|
122, 58, 95, 110, 48, 57, 65, 90,
|
|
97, 122, 58, 95, 116, 48, 57, 65,
|
|
90, 97, 122, 58, 95, 97, 48, 57,
|
|
65, 90, 98, 122, 58, 95, 105, 48,
|
|
57, 65, 90, 97, 122, 58, 95, 110,
|
|
48, 57, 65, 90, 97, 122, 58, 95,
|
|
115, 48, 57, 65, 90, 97, 122, 58,
|
|
95, 97, 111, 48, 57, 65, 90, 98,
|
|
122, 58, 95, 108, 48, 57, 65, 90,
|
|
97, 122, 58, 95, 115, 48, 57, 65,
|
|
90, 97, 122, 58, 95, 101, 48, 57,
|
|
65, 90, 97, 122, 58, 95, 114, 48,
|
|
57, 65, 90, 97, 122, 58, 95, 110,
|
|
48, 57, 65, 90, 97, 122, 58, 95,
|
|
114, 48, 57, 65, 90, 97, 122, 58,
|
|
95, 114, 48, 57, 65, 90, 97, 122,
|
|
58, 95, 117, 48, 57, 65, 90, 97,
|
|
122,
|
|
}
|
|
|
|
var _expression_single_lengths []byte = []byte{
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 0, 15, 1, 1, 1, 2,
|
|
1, 1, 0, 1, 1, 2, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 4,
|
|
3, 3, 3, 3, 3, 3, 3, 3,
|
|
}
|
|
|
|
var _expression_range_lengths []byte = []byte{
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 1, 5, 1, 0, 0, 0,
|
|
0, 1, 1, 1, 0, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 3,
|
|
3, 3, 3, 3, 3, 3, 3, 3,
|
|
}
|
|
|
|
var _expression_index_offsets []byte = []byte{
|
|
0, 2, 4, 6, 8, 10, 12, 14,
|
|
16, 18, 20, 22, 43, 46, 48, 50,
|
|
53, 55, 58, 60, 63, 65, 71, 78,
|
|
85, 92, 99, 106, 113, 120, 127, 134,
|
|
142, 149, 156, 163, 170, 177, 184, 191,
|
|
}
|
|
|
|
var _expression_indicies []byte = []byte{
|
|
2, 1, 3, 0, 4, 0, 5, 0,
|
|
6, 0, 7, 0, 8, 0, 9, 0,
|
|
10, 0, 2, 11, 12, 0, 14, 15,
|
|
16, 17, 18, 19, 20, 22, 23, 24,
|
|
25, 26, 27, 28, 29, 14, 21, 15,
|
|
23, 23, 13, 14, 14, 30, 32, 31,
|
|
2, 1, 33, 34, 31, 2, 11, 35,
|
|
21, 31, 12, 36, 12, 21, 37, 38,
|
|
31, 39, 23, 23, 23, 23, 36, 39,
|
|
23, 41, 23, 23, 23, 40, 39, 23,
|
|
42, 23, 23, 23, 40, 39, 23, 43,
|
|
23, 23, 23, 40, 39, 23, 44, 23,
|
|
23, 23, 40, 39, 23, 45, 23, 23,
|
|
23, 40, 39, 23, 46, 23, 23, 23,
|
|
40, 39, 23, 47, 23, 23, 23, 40,
|
|
39, 23, 48, 23, 23, 23, 40, 39,
|
|
23, 42, 23, 23, 23, 40, 39, 23,
|
|
49, 50, 23, 23, 23, 40, 39, 23,
|
|
51, 23, 23, 23, 40, 39, 23, 52,
|
|
23, 23, 23, 40, 39, 23, 53, 23,
|
|
23, 23, 40, 39, 23, 54, 23, 23,
|
|
23, 40, 39, 23, 55, 23, 23, 23,
|
|
40, 39, 23, 42, 23, 23, 23, 40,
|
|
39, 23, 56, 23, 23, 23, 40, 39,
|
|
23, 52, 23, 23, 23, 40,
|
|
}
|
|
|
|
var _expression_trans_targs []byte = []byte{
|
|
11, 0, 11, 2, 3, 4, 5, 11,
|
|
7, 8, 11, 9, 18, 11, 12, 13,
|
|
14, 15, 16, 17, 18, 19, 20, 21,
|
|
22, 24, 31, 36, 37, 38, 11, 11,
|
|
11, 1, 6, 10, 11, 11, 11, 11,
|
|
11, 23, 21, 25, 26, 27, 28, 29,
|
|
30, 32, 35, 33, 34, 21, 21, 21,
|
|
39,
|
|
}
|
|
|
|
var _expression_trans_actions []byte = []byte{
|
|
29, 0, 11, 0, 0, 0, 0, 7,
|
|
0, 0, 9, 0, 33, 19, 0, 0,
|
|
5, 5, 5, 5, 51, 0, 0, 48,
|
|
0, 0, 0, 0, 0, 0, 25, 27,
|
|
15, 0, 0, 0, 31, 21, 13, 17,
|
|
23, 0, 39, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 36, 42, 45,
|
|
0,
|
|
}
|
|
|
|
var _expression_to_state_actions []byte = []byte{
|
|
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,
|
|
}
|
|
|
|
var _expression_from_state_actions []byte = []byte{
|
|
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,
|
|
}
|
|
|
|
var _expression_eof_trans []byte = []byte{
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 0, 31, 32, 32, 32,
|
|
32, 32, 37, 38, 32, 37, 41, 41,
|
|
41, 41, 41, 41, 41, 41, 41, 41,
|
|
41, 41, 41, 41, 41, 41, 41, 41,
|
|
}
|
|
|
|
const expression_start int = 11
|
|
const expression_first_final int = 11
|
|
const expression_error int = -1
|
|
|
|
const expression_en_main int = 11
|
|
|
|
|
|
//line scanner.rl:13
|
|
|
|
|
|
type lexer struct {
|
|
data []byte
|
|
p, pe, cs int
|
|
ts, te, act int
|
|
val func(Context) interface{}
|
|
}
|
|
|
|
func (l* lexer) token() string {
|
|
return string(l.data[l.ts:l.te])
|
|
}
|
|
|
|
func newLexer(data []byte) *lexer {
|
|
lex := &lexer{
|
|
data: data,
|
|
pe: len(data),
|
|
}
|
|
|
|
//line scanner.go:187
|
|
{
|
|
lex.cs = expression_start
|
|
lex.ts = 0
|
|
lex.te = 0
|
|
lex.act = 0
|
|
}
|
|
|
|
//line scanner.rl:32
|
|
return lex
|
|
}
|
|
|
|
func (lex *lexer) Lex(out *yySymType) int {
|
|
eof := lex.pe
|
|
tok := 0
|
|
|
|
|
|
//line scanner.go:204
|
|
{
|
|
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 scanner.go:224
|
|
}
|
|
}
|
|
|
|
_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 scanner.rl:59
|
|
lex.act = 4;
|
|
case 4:
|
|
//line scanner.rl:40
|
|
lex.act = 6;
|
|
case 5:
|
|
//line scanner.rl:74
|
|
lex.act = 9;
|
|
case 6:
|
|
//line scanner.rl:91
|
|
lex.act = 10;
|
|
case 7:
|
|
//line scanner.rl:92
|
|
lex.act = 11;
|
|
case 8:
|
|
//line scanner.rl:45
|
|
lex.act = 13;
|
|
case 9:
|
|
//line scanner.rl:96
|
|
lex.act = 15;
|
|
case 10:
|
|
//line scanner.rl:82
|
|
lex.te = ( lex.p)+1
|
|
{ tok = ASSIGN; ( lex.p)++; goto _out
|
|
}
|
|
case 11:
|
|
//line scanner.rl:83
|
|
lex.te = ( lex.p)+1
|
|
{ tok = LOOP; ( lex.p)++; goto _out
|
|
}
|
|
case 12:
|
|
//line scanner.rl:68
|
|
lex.te = ( lex.p)+1
|
|
{
|
|
tok = LITERAL
|
|
// TODO unescape \x
|
|
out.val = string(lex.data[lex.ts+1:lex.te-1])
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 13:
|
|
//line scanner.rl:88
|
|
lex.te = ( lex.p)+1
|
|
{ tok = EQ; ( lex.p)++; goto _out
|
|
}
|
|
case 14:
|
|
//line scanner.rl:74
|
|
lex.te = ( lex.p)+1
|
|
{ tok = RELATION; out.name = lex.token(); ( lex.p)++; goto _out
|
|
}
|
|
case 15:
|
|
//line scanner.rl:93
|
|
lex.te = ( lex.p)+1
|
|
{ tok = KEYWORD; out.name = string(lex.data[lex.ts:lex.te-1]); ( lex.p)++; goto _out
|
|
}
|
|
case 16:
|
|
//line scanner.rl:96
|
|
lex.te = ( lex.p)+1
|
|
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
|
|
}
|
|
case 17:
|
|
//line scanner.rl:50
|
|
lex.te = ( lex.p)
|
|
( lex.p)--
|
|
{
|
|
tok = LITERAL
|
|
n, err := strconv.ParseInt(lex.token(), 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
out.val = int(n)
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 18:
|
|
//line scanner.rl:45
|
|
lex.te = ( lex.p)
|
|
( lex.p)--
|
|
{
|
|
tok = IDENTIFIER
|
|
out.name = lex.token()
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 19:
|
|
//line scanner.rl:95
|
|
lex.te = ( lex.p)
|
|
( lex.p)--
|
|
|
|
case 20:
|
|
//line scanner.rl:96
|
|
lex.te = ( lex.p)
|
|
( lex.p)--
|
|
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
|
|
}
|
|
case 21:
|
|
//line scanner.rl:96
|
|
( lex.p) = ( lex.te) - 1
|
|
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
|
|
}
|
|
case 22:
|
|
//line NONE:1
|
|
switch lex.act {
|
|
case 4:
|
|
{( lex.p) = ( lex.te) - 1
|
|
|
|
tok = LITERAL
|
|
n, err := strconv.ParseFloat(lex.token(), 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
out.val = n
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 6:
|
|
{( lex.p) = ( lex.te) - 1
|
|
|
|
tok = LITERAL
|
|
out.val = lex.token() == "true"
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 9:
|
|
{( lex.p) = ( lex.te) - 1
|
|
tok = RELATION; out.name = lex.token(); ( lex.p)++; goto _out
|
|
}
|
|
case 10:
|
|
{( lex.p) = ( lex.te) - 1
|
|
tok = IN; ( lex.p)++; goto _out
|
|
}
|
|
case 11:
|
|
{( lex.p) = ( lex.te) - 1
|
|
tok = IN; ( lex.p)++; goto _out
|
|
}
|
|
case 13:
|
|
{( lex.p) = ( lex.te) - 1
|
|
|
|
tok = IDENTIFIER
|
|
out.name = lex.token()
|
|
( lex.p)++; goto _out
|
|
|
|
}
|
|
case 15:
|
|
{( lex.p) = ( lex.te) - 1
|
|
tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
|
|
}
|
|
}
|
|
|
|
//line scanner.go:448
|
|
}
|
|
}
|
|
|
|
_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 scanner.go:462
|
|
}
|
|
}
|
|
|
|
( 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 scanner.rl:100
|
|
|
|
|
|
return tok
|
|
}
|
|
|
|
func (lex *lexer) Error(e string) {
|
|
fmt.Println("error:", e)
|
|
} |