1
0
mirror of https://github.com/danog/liquid.git synced 2024-12-12 15:57:21 +01:00
liquid/expression/scanner.go
2017-07-07 11:55:41 -04:00

569 lines
12 KiB
Go

//line scanner.rl:1
package expression
import "strconv"
//line scanner.go:9
var _expression_actions []byte = []byte{
0, 1, 0, 1, 1, 1, 2, 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,
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, 2, 2, 12,
}
var _expression_key_offsets []int16 = []int16{
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 12, 38, 41, 42, 43,
45, 46, 49, 51, 54, 62, 70, 71,
72, 73, 83, 84, 95, 106, 117, 128,
139, 150, 161, 172, 183, 195, 206, 217,
228, 239, 250, 261, 272, 283, 294,
}
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, 60, 61, 62, 95, 97,
99, 102, 105, 110, 111, 116, 9, 13,
48, 57, 65, 90, 98, 122, 32, 9,
13, 61, 34, 97, 108, 39, 46, 48,
57, 48, 57, 46, 48, 57, 45, 95,
48, 57, 65, 90, 97, 122, 45, 95,
48, 57, 65, 90, 97, 122, 61, 61,
61, 45, 58, 63, 95, 48, 57, 65,
90, 97, 122, 58, 45, 58, 63, 95,
110, 48, 57, 65, 90, 97, 122, 45,
58, 63, 95, 100, 48, 57, 65, 90,
97, 122, 45, 58, 63, 95, 111, 48,
57, 65, 90, 97, 122, 45, 58, 63,
95, 110, 48, 57, 65, 90, 97, 122,
45, 58, 63, 95, 116, 48, 57, 65,
90, 97, 122, 45, 58, 63, 95, 97,
48, 57, 65, 90, 98, 122, 45, 58,
63, 95, 105, 48, 57, 65, 90, 97,
122, 45, 58, 63, 95, 110, 48, 57,
65, 90, 97, 122, 45, 58, 63, 95,
115, 48, 57, 65, 90, 97, 122, 45,
58, 63, 95, 97, 111, 48, 57, 65,
90, 98, 122, 45, 58, 63, 95, 108,
48, 57, 65, 90, 97, 122, 45, 58,
63, 95, 115, 48, 57, 65, 90, 97,
122, 45, 58, 63, 95, 101, 48, 57,
65, 90, 97, 122, 45, 58, 63, 95,
114, 48, 57, 65, 90, 97, 122, 45,
58, 63, 95, 110, 48, 57, 65, 90,
97, 122, 45, 58, 63, 95, 105, 48,
57, 65, 90, 97, 122, 45, 58, 63,
95, 108, 48, 57, 65, 90, 97, 122,
45, 58, 63, 95, 114, 48, 57, 65,
90, 97, 122, 45, 58, 63, 95, 114,
48, 57, 65, 90, 97, 122, 45, 58,
63, 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, 18, 1, 1, 1, 2,
1, 1, 0, 1, 2, 2, 1, 1,
1, 4, 1, 5, 5, 5, 5, 5,
5, 5, 5, 5, 6, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5,
}
var _expression_range_lengths []byte = []byte{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 4, 1, 0, 0, 0,
0, 1, 1, 1, 3, 3, 0, 0,
0, 3, 0, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3,
}
var _expression_index_offsets []int16 = []int16{
0, 2, 4, 6, 8, 10, 12, 14,
16, 18, 20, 22, 45, 48, 50, 52,
55, 57, 60, 62, 65, 71, 77, 79,
81, 83, 91, 93, 102, 111, 120, 129,
138, 147, 156, 165, 174, 184, 193, 202,
211, 220, 229, 238, 247, 256, 265,
}
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, 30, 31, 32,
14, 21, 25, 25, 13, 14, 14, 33,
35, 34, 2, 1, 36, 37, 34, 2,
11, 38, 21, 34, 12, 39, 12, 21,
40, 42, 42, 43, 42, 42, 41, 42,
42, 42, 42, 42, 44, 45, 34, 46,
34, 47, 34, 25, 48, 49, 25, 25,
25, 25, 41, 48, 50, 25, 48, 49,
25, 51, 25, 25, 25, 50, 25, 48,
49, 25, 52, 25, 25, 25, 50, 25,
48, 49, 25, 53, 25, 25, 25, 50,
25, 48, 49, 25, 54, 25, 25, 25,
50, 25, 48, 49, 25, 55, 25, 25,
25, 50, 25, 48, 49, 25, 56, 25,
25, 25, 50, 25, 48, 49, 25, 57,
25, 25, 25, 50, 25, 48, 49, 25,
58, 25, 25, 25, 50, 25, 48, 49,
25, 59, 25, 25, 25, 50, 25, 48,
49, 25, 60, 61, 25, 25, 25, 50,
25, 48, 49, 25, 62, 25, 25, 25,
50, 25, 48, 49, 25, 63, 25, 25,
25, 50, 25, 48, 49, 25, 64, 25,
25, 25, 50, 25, 48, 49, 25, 65,
25, 25, 25, 50, 25, 48, 49, 25,
66, 25, 25, 25, 50, 25, 48, 49,
25, 67, 25, 25, 25, 50, 25, 48,
49, 25, 68, 25, 25, 25, 50, 25,
48, 49, 25, 69, 25, 25, 25, 50,
25, 48, 49, 25, 70, 25, 25, 25,
50, 25, 48, 49, 25, 63, 25, 25,
25, 50,
}
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, 20, 19, 22, 23,
24, 25, 27, 29, 36, 41, 42, 44,
45, 11, 11, 11, 1, 6, 10, 11,
11, 11, 21, 20, 11, 11, 11, 11,
11, 26, 11, 28, 25, 30, 31, 32,
33, 34, 35, 25, 37, 40, 38, 39,
25, 25, 25, 43, 25, 25, 46,
}
var _expression_trans_actions []byte = []byte{
37, 0, 11, 0, 0, 0, 0, 7,
0, 0, 9, 0, 0, 23, 0, 0,
5, 5, 5, 5, 68, 0, 0, 0,
0, 65, 0, 0, 0, 0, 0, 0,
0, 33, 35, 15, 0, 0, 0, 27,
25, 39, 0, 41, 31, 19, 13, 17,
21, 0, 29, 0, 50, 0, 0, 0,
0, 0, 0, 56, 0, 0, 0, 0,
44, 59, 62, 0, 47, 53, 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,
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,
0, 0, 0, 0, 0, 0, 0,
}
var _expression_eof_trans []int16 = []int16{
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 0, 34, 35, 35, 35,
35, 35, 40, 41, 42, 45, 35, 35,
35, 42, 51, 51, 51, 51, 51, 51,
51, 51, 51, 51, 51, 51, 51, 51,
51, 51, 51, 51, 51, 51, 51,
}
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:11
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:216
{
lex.cs = expression_start
lex.ts = 0
lex.te = 0
lex.act = 0
}
//line scanner.rl:30
return lex
}
func (lex *lexer) Lex(out *yySymType) int {
eof := lex.pe
tok := 0
//line scanner.go:233
{
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:253
}
}
_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:57
lex.act = 4;
case 4:
//line scanner.rl:38
lex.act = 6;
case 5:
//line scanner.rl:88
lex.act = 7;
case 6:
//line scanner.rl:93
lex.act = 12;
case 7:
//line scanner.rl:94
lex.act = 13;
case 8:
//line scanner.rl:95
lex.act = 14;
case 9:
//line scanner.rl:96
lex.act = 15;
case 10:
//line scanner.rl:97
lex.act = 16;
case 11:
//line scanner.rl:43
lex.act = 18;
case 12:
//line scanner.rl:102
lex.act = 21;
case 13:
//line scanner.rl:82
lex.te = ( lex.p)+1
{ tok = ASSIGN; ( lex.p)++; goto _out
}
case 14:
//line scanner.rl:83
lex.te = ( lex.p)+1
{ tok = LOOP; ( lex.p)++; goto _out
}
case 15:
//line scanner.rl:66
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 16:
//line scanner.rl:89
lex.te = ( lex.p)+1
{ tok = EQ; ( lex.p)++; goto _out
}
case 17:
//line scanner.rl:90
lex.te = ( lex.p)+1
{ tok = NEQ; ( lex.p)++; goto _out
}
case 18:
//line scanner.rl:91
lex.te = ( lex.p)+1
{ tok = GE; ( lex.p)++; goto _out
}
case 19:
//line scanner.rl:92
lex.te = ( lex.p)+1
{ tok = LE; ( lex.p)++; goto _out
}
case 20:
//line scanner.rl:98
lex.te = ( lex.p)+1
{ tok = KEYWORD; out.name = string(lex.data[lex.ts:lex.te-1]); ( lex.p)++; goto _out
}
case 21:
//line scanner.rl:102
lex.te = ( lex.p)+1
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
}
case 22:
//line scanner.rl:48
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 23:
//line scanner.rl:57
lex.te = ( lex.p)
( lex.p)--
{
tok = LITERAL
n, err := strconv.ParseFloat(lex.token(), 64)
if err != nil {
panic(err)
}
out.val = n
( lex.p)++; goto _out
}
case 24:
//line scanner.rl:43
lex.te = ( lex.p)
( lex.p)--
{
tok = IDENTIFIER
out.name = lex.token()
( lex.p)++; goto _out
}
case 25:
//line scanner.rl:100
lex.te = ( lex.p)
( lex.p)--
{ tok = PROPERTY; out.name = string(lex.data[lex.ts+1:lex.te]); ( lex.p)++; goto _out
}
case 26:
//line scanner.rl:101
lex.te = ( lex.p)
( lex.p)--
case 27:
//line scanner.rl:102
lex.te = ( lex.p)
( lex.p)--
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
}
case 28:
//line scanner.rl:102
( lex.p) = ( lex.te) - 1
{ tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
}
case 29:
//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 7:
{( lex.p) = ( lex.te) - 1
tok = LITERAL; out.val = nil; ( lex.p)++; goto _out
}
case 12:
{( lex.p) = ( lex.te) - 1
tok = AND; ( lex.p)++; goto _out
}
case 13:
{( lex.p) = ( lex.te) - 1
tok = OR; ( lex.p)++; goto _out
}
case 14:
{( lex.p) = ( lex.te) - 1
tok = CONTAINS; ( lex.p)++; goto _out
}
case 15:
{( lex.p) = ( lex.te) - 1
tok = FOR; ( lex.p)++; goto _out
}
case 16:
{( lex.p) = ( lex.te) - 1
tok = IN; ( lex.p)++; goto _out
}
case 18:
{( lex.p) = ( lex.te) - 1
tok = IDENTIFIER
out.name = lex.token()
( lex.p)++; goto _out
}
case 21:
{( lex.p) = ( lex.te) - 1
tok = int(lex.data[lex.ts]); ( lex.p)++; goto _out
}
}
//line scanner.go:528
}
}
_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:542
}
}
( 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:106
return tok
}
func (lex *lexer) Error(e string) {
// fmt.Println("scan error:", e)
}