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base heredoc handler

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This commit is contained in:
vadim 2017-11-16 19:00:34 +02:00
parent 25dfb3f277
commit abf8af04f8
2 changed files with 300 additions and 157 deletions
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372
php-parser.go
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@ -10,6 +10,7 @@ package main
import ( import (
"bufio" "bufio"
"bytes"
"fmt" "fmt"
"go/token" "go/token"
"io" "io"
@ -36,6 +37,7 @@ const (
STRING_VAR_INDEX STRING_VAR_INDEX
STRING_VAR_NAME STRING_VAR_NAME
PROPERTY PROPERTY
HEREDOC_END
) )
type lexer struct { type lexer struct {
@ -43,6 +45,7 @@ type lexer struct {
} }
var stateStack = []int{PHP} var stateStack = []int{PHP}
var heredocLabel []byte
func pushState(state int) { func pushState(state int) {
sc = state sc = state
@ -150,6 +153,8 @@ yystate0:
goto yystart501 goto yystart501
case 6: // start condition: PROPERTY case 6: // start condition: PROPERTY
goto yystart506 goto yystart506
case 7: // start condition: HEREDOC_END
goto yystart514
} }
goto yystate0 // silence unused label error goto yystate0 // silence unused label error
@ -436,6 +441,8 @@ yyAction:
goto yyrule139 goto yyrule139
case 140: case 140:
goto yyrule140 goto yyrule140
case 141:
goto yyrule141
} }
goto yystate1 // silence unused label error goto yystate1 // silence unused label error
yystate1: yystate1:
@ -639,9 +646,9 @@ yystart11:
yystate12: yystate12:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
goto yyrule140 goto yyrule141
yystate13: yystate13:
c = l.Next() c = l.Next()
@ -695,17 +702,17 @@ yystate17:
yystate18: yystate18:
c = l.Next() c = l.Next()
yyrule = 120 yyrule = 121
l.Mark() l.Mark()
goto yyrule120 goto yyrule121
yystate19: yystate19:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == '\n': case c == '\n':
goto yystate20 goto yystate20
case c == '\r': case c == '\r':
@ -795,11 +802,11 @@ yystate28:
yystate29: yystate29:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == '\'': case c == '\'':
goto yystate31 goto yystate31
case c == '\\': case c == '\\':
@ -1979,11 +1986,11 @@ yystate151:
yystate152: yystate152:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == '_': case c == '_':
goto yystate153 goto yystate153
} }
@ -2520,11 +2527,11 @@ yystate212:
yystate213: yystate213:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'b': case c == 'b':
goto yystate214 goto yystate214
case c == 'n': case c == 'n':
@ -2651,11 +2658,11 @@ yystate227:
yystate228: yystate228:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == '"': case c == '"':
goto yystate229 goto yystate229
case c == '<': case c == '<':
@ -2666,9 +2673,9 @@ yystate228:
yystate229: yystate229:
c = l.Next() c = l.Next()
yyrule = 120 yyrule = 121
l.Mark() l.Mark()
goto yyrule120 goto yyrule121
yystate230: yystate230:
c = l.Next() c = l.Next()
@ -2723,11 +2730,11 @@ yystate235:
yystate236: yystate236:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'a': case c == 'a':
goto yystate237 goto yystate237
case c == 'f': case c == 'f':
@ -3048,11 +3055,11 @@ yystate272:
yystate273: yystate273:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'e': case c == 'e':
goto yystate274 goto yystate274
case c == 'i': case c == 'i':
@ -3179,11 +3186,11 @@ yystate287:
yystate288: yystate288:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'c': case c == 'c':
goto yystate289 goto yystate289
case c == 'l': case c == 'l':
@ -3555,11 +3562,11 @@ yystate329:
yystate330: yystate330:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'i': case c == 'i':
goto yystate331 goto yystate331
case c == 'o': case c == 'o':
@ -3676,11 +3683,11 @@ yystate342:
yystate343: yystate343:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'l': case c == 'l':
goto yystate344 goto yystate344
case c == 'o': case c == 'o':
@ -3755,11 +3762,11 @@ yystate351:
yystate352: yystate352:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'f': case c == 'f':
goto yystate353 goto yystate353
case c == 'm': case c == 'm':
@ -4038,11 +4045,11 @@ yystate383:
yystate384: yystate384:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'a': case c == 'a':
goto yystate385 goto yystate385
case c == 'e': case c == 'e':
@ -4135,11 +4142,11 @@ yystate394:
yystate395: yystate395:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'r': case c == 'r':
goto yystate396 goto yystate396
} }
@ -4152,11 +4159,11 @@ yystate396:
yystate397: yystate397:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'r': case c == 'r':
goto yystate398 goto yystate398
case c == 'u': case c == 'u':
@ -4320,11 +4327,11 @@ yystate415:
yystate416: yystate416:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'e': case c == 'e':
goto yystate417 goto yystate417
} }
@ -4373,11 +4380,11 @@ yystate421:
yystate422: yystate422:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 't': case c == 't':
goto yystate423 goto yystate423
case c == 'w': case c == 'w':
@ -4470,11 +4477,11 @@ yystate432:
yystate433: yystate433:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'h': case c == 'h':
goto yystate434 goto yystate434
case c == 'r': case c == 'r':
@ -4557,11 +4564,11 @@ yystate442:
yystate443: yystate443:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 's': case c == 's':
goto yystate444 goto yystate444
} }
@ -4583,11 +4590,11 @@ yystate445:
yystate446: yystate446:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'a': case c == 'a':
goto yystate447 goto yystate447
} }
@ -4609,11 +4616,11 @@ yystate448:
yystate449: yystate449:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'h': case c == 'h':
goto yystate450 goto yystate450
} }
@ -4653,11 +4660,11 @@ yystate453:
yystate454: yystate454:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'o': case c == 'o':
goto yystate455 goto yystate455
} }
@ -4679,11 +4686,11 @@ yystate456:
yystate457: yystate457:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule140 goto yyrule141
case c == 'i': case c == 'i':
goto yystate458 goto yystate458
} }
@ -4829,49 +4836,49 @@ yystart472:
yystate473: yystate473:
c = l.Next() c = l.Next()
yyrule = 125 yyrule = 126
l.Mark() l.Mark()
goto yyrule125 goto yyrule126
yystate474: yystate474:
c = l.Next() c = l.Next()
yyrule = 121 yyrule = 122
l.Mark() l.Mark()
goto yyrule121 goto yyrule122
yystate475: yystate475:
c = l.Next() c = l.Next()
yyrule = 124 yyrule = 125
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule124 goto yyrule125
case c == '{': case c == '{':
goto yystate476 goto yystate476
} }
yystate476: yystate476:
c = l.Next() c = l.Next()
yyrule = 123 yyrule = 124
l.Mark() l.Mark()
goto yyrule123 goto yyrule124
yystate477: yystate477:
c = l.Next() c = l.Next()
yyrule = 125 yyrule = 126
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule125 goto yyrule126
case c == '$': case c == '$':
goto yystate478 goto yystate478
} }
yystate478: yystate478:
c = l.Next() c = l.Next()
yyrule = 122 yyrule = 123
l.Mark() l.Mark()
goto yyrule122 goto yyrule123
goto yystate479 // silence unused label error goto yystate479 // silence unused label error
yystate479: yystate479:
@ -4894,39 +4901,39 @@ yystart479:
yystate480: yystate480:
c = l.Next() c = l.Next()
yyrule = 130 yyrule = 131
l.Mark() l.Mark()
goto yyrule130 goto yyrule131
yystate481: yystate481:
c = l.Next() c = l.Next()
yyrule = 130 yyrule = 131
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule130 goto yyrule131
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate482 goto yystate482
} }
yystate482: yystate482:
c = l.Next() c = l.Next()
yyrule = 126 yyrule = 127
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule126 goto yyrule127
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate482 goto yystate482
} }
yystate483: yystate483:
c = l.Next() c = l.Next()
yyrule = 130 yyrule = 131
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule130 goto yyrule131
case c == '>': case c == '>':
goto yystate484 goto yystate484
} }
@ -4942,42 +4949,42 @@ yystate484:
yystate485: yystate485:
c = l.Next() c = l.Next()
yyrule = 127 yyrule = 128
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule127 goto yyrule128
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate485 goto yystate485
} }
yystate486: yystate486:
c = l.Next() c = l.Next()
yyrule = 128 yyrule = 129
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule128 goto yyrule129
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate487 goto yystate487
} }
yystate487: yystate487:
c = l.Next() c = l.Next()
yyrule = 128 yyrule = 129
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule128 goto yyrule129
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate487 goto yystate487
} }
yystate488: yystate488:
c = l.Next() c = l.Next()
yyrule = 129 yyrule = 130
l.Mark() l.Mark()
goto yyrule129 goto yyrule130
goto yystate489 // silence unused label error goto yystate489 // silence unused label error
yystate489: yystate489:
@ -5005,100 +5012,100 @@ yystart489:
} }
yystate490: yystate490:
c = l.Next()
yyrule = 138
l.Mark()
goto yyrule138
yystate491:
c = l.Next()
yyrule = 136
l.Mark()
goto yyrule136
yystate492:
c = l.Next()
yyrule = 136
l.Mark()
goto yyrule136
yystate493:
c = l.Next() c = l.Next()
yyrule = 137 yyrule = 137
l.Mark() l.Mark()
goto yyrule137 goto yyrule137
yystate491:
c = l.Next()
yyrule = 135
l.Mark()
goto yyrule135
yystate492:
c = l.Next()
yyrule = 135
l.Mark()
goto yyrule135
yystate493:
c = l.Next()
yyrule = 136
l.Mark()
goto yyrule136
yystate494: yystate494:
c = l.Next() c = l.Next()
yyrule = 136 yyrule = 137
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule136 goto yyrule137
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate495 goto yystate495
} }
yystate495: yystate495:
c = l.Next() c = l.Next()
yyrule = 132 yyrule = 133
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule132 goto yyrule133
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate495 goto yystate495
} }
yystate496: yystate496:
c = l.Next() c = l.Next()
yyrule = 131 yyrule = 132
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule131 goto yyrule132
case c >= '0' && c <= '9': case c >= '0' && c <= '9':
goto yystate497 goto yystate497
} }
yystate497: yystate497:
c = l.Next() c = l.Next()
yyrule = 131 yyrule = 132
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule131 goto yyrule132
case c >= '0' && c <= '9': case c >= '0' && c <= '9':
goto yystate497 goto yystate497
} }
yystate498: yystate498:
c = l.Next() c = l.Next()
yyrule = 133 yyrule = 134
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule133 goto yyrule134
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate499 goto yystate499
} }
yystate499: yystate499:
c = l.Next() c = l.Next()
yyrule = 133 yyrule = 134
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule133 goto yyrule134
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate499 goto yystate499
} }
yystate500: yystate500:
c = l.Next() c = l.Next()
yyrule = 134 yyrule = 135
l.Mark() l.Mark()
goto yyrule134 goto yyrule135
goto yystate501 // silence unused label error goto yystate501 // silence unused label error
yystate501: yystate501:
@ -5115,17 +5122,17 @@ yystart501:
yystate502: yystate502:
c = l.Next() c = l.Next()
yyrule = 139 yyrule = 140
l.Mark() l.Mark()
goto yyrule139 goto yyrule140
yystate503: yystate503:
c = l.Next() c = l.Next()
yyrule = 139 yyrule = 140
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule139 goto yyrule140
case c == '[' || c == '}': case c == '[' || c == '}':
goto yystate505 goto yystate505
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ': case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
@ -5145,9 +5152,9 @@ yystate504:
yystate505: yystate505:
c = l.Next() c = l.Next()
yyrule = 138 yyrule = 139
l.Mark() l.Mark()
goto yyrule138 goto yyrule139
goto yystate506 // silence unused label error goto yystate506 // silence unused label error
yystate506: yystate506:
@ -5235,6 +5242,34 @@ yystate513:
goto yystate513 goto yystate513
} }
goto yystate514 // silence unused label error
yystate514:
c = l.Next()
yystart514:
switch {
default:
goto yyabort
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate515
}
yystate515:
c = l.Next()
switch {
default:
goto yyabort
case c == ';':
goto yystate516
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate515
}
yystate516:
c = l.Next()
yyrule = 120
l.Mark()
goto yyrule120
yyrule1: // [ \t\n\r]+ yyrule1: // [ \t\n\r]+
goto yystate0 goto yystate0
@ -5832,15 +5867,66 @@ yyrule119: // [b]?\<\<\<[ \t]*({VAR_NAME}|([']{VAR_NAME}['])|(["]{VAR_NAME}["]))
{ {
tb := l.TokenBytes(nil) tb := l.TokenBytes(nil)
fmt.Println(string(tb[len(tb)-2])) binPrefix := 0
// switch la { if tb[0] == 'b' {
// case '\'' : fmt.Println("ST_NOWDOC");//begin(ST_NOWDOC) binPrefix = 1
// case '"' : fmt.Println("ST_HEREDOC");//begin(ST_HEREDOC) }
// }
fmt.Printf("T_START_HEREDOC: %s\n", l.TokenBytes(nil)) lblFirst := 3 + binPrefix
lblLast := len(tb) - 2
if tb[lblLast] == '\r' {
lblLast--
}
for {
if tb[lblFirst] == ' ' || tb[lblFirst] == '\t' {
lblFirst++
continue
}
break
}
switch tb[lblFirst] {
case '\'':
lblFirst++
lblLast--
fmt.Println("NOWDOC")
//begin(NOWDOC)
case '"':
lblFirst++
lblLast--
fmt.Println("HEREDOC")
//begin(HEREDOC)
default:
//begin(HEREDOC)
}
heredocLabel = tb[lblFirst : lblLast+1]
ungetCnt := len(heredocLabel)
searchLabelAhead := []byte{}
for i := 0; i < len(heredocLabel); i++ {
if c == -1 {
break
}
searchLabelAhead = append(searchLabelAhead, byte(rune(c)))
c = l.Next()
}
if bytes.Equal(heredocLabel, searchLabelAhead) && ';' == rune(c) {
ungetCnt++
c = l.Next()
if '\n' == rune(c) || '\r' == rune(c) {
begin(HEREDOC_END)
}
}
l.ungetN(ungetCnt)
fmt.Printf("T_START_HEREDOC: %q\n", tb)
goto yystate0 goto yystate0
} }
yyrule120: // [b]?[\"] yyrule120: // {VAR_NAME}\;
{
fmt.Printf("T_END_HEREDOC: %q\n", l.ungetN(1))
begin(PHP)
goto yystate0
}
yyrule121: // [b]?[\"]
{ {
binPrefix := l.TokenBytes(nil)[0] == 'b' binPrefix := l.TokenBytes(nil)[0] == 'b'
@ -5888,31 +5974,31 @@ yyrule120: // [b]?[\"]
} }
goto yystate0 goto yystate0
} }
yyrule121: // \" yyrule122: // \"
{ {
fmt.Println("\"") fmt.Println("\"")
popState() popState()
goto yystate0 goto yystate0
} }
yyrule122: // \{\$ yyrule123: // \{\$
{ {
fmt.Printf("T_CURLY_OPEN: %q\n", l.ungetN(1)) fmt.Printf("T_CURLY_OPEN: %q\n", l.ungetN(1))
pushState(PHP) pushState(PHP)
goto yystate0 goto yystate0
} }
yyrule123: // \$\{ yyrule124: // \$\{
{ {
fmt.Printf("T_DOLLAR_OPEN_CURLY_BRACES: %q\n", l.TokenBytes(nil)) fmt.Printf("T_DOLLAR_OPEN_CURLY_BRACES: %q\n", l.TokenBytes(nil))
pushState(STRING_VAR_NAME) pushState(STRING_VAR_NAME)
goto yystate0 goto yystate0
} }
yyrule124: // \$ yyrule125: // \$
{ {
l.ungetN(1) l.ungetN(1)
begin(STRING_VAR) begin(STRING_VAR)
goto yystate0 goto yystate0
} }
yyrule125: // . yyrule126: // .
{ {
F1: F1:
@ -5951,86 +6037,86 @@ yyrule125: // .
} }
goto yystate0 goto yystate0
} }
yyrule126: // \${VAR_NAME} yyrule127: // \${VAR_NAME}
{ {
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)) fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule127: // ->{VAR_NAME} yyrule128: // ->{VAR_NAME}
{ {
fmt.Printf("T_OBJECT_OPERATOR: %q\n", l.ungetN(len(l.TokenBytes(nil))-2)) fmt.Printf("T_OBJECT_OPERATOR: %q\n", l.ungetN(len(l.TokenBytes(nil))-2))
goto yystate0 goto yystate0
} }
yyrule128: // {VAR_NAME} yyrule129: // {VAR_NAME}
{ {
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
begin(STRING) begin(STRING)
goto yystate0 goto yystate0
} }
yyrule129: // \[ yyrule130: // \[
{ {
fmt.Println("[") fmt.Println("[")
begin(STRING_VAR_INDEX) begin(STRING_VAR_INDEX)
goto yystate0 goto yystate0
} }
yyrule130: // . yyrule131: // .
{ {
l.ungetN(1) l.ungetN(1)
begin(STRING) begin(STRING)
goto yystate0 goto yystate0
} }
yyrule131: // {LNUM} yyrule132: // {LNUM}
{ {
fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule132: // \${VAR_NAME} yyrule133: // \${VAR_NAME}
{ {
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)) fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule133: // {VAR_NAME} yyrule134: // {VAR_NAME}
{ {
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule134: // \] yyrule135: // \]
{ {
fmt.Println("\"]\"") fmt.Println("\"]\"")
begin(STRING) begin(STRING)
goto yystate0 goto yystate0
} }
yyrule135: // [ \n\r\t\\'#] yyrule136: // [ \n\r\t\\'#]
{ {
fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", l.ungetN(1)) fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", l.ungetN(1))
begin(STRING) begin(STRING)
goto yystate0 goto yystate0
} }
yyrule136: // {OPERATORS} yyrule137: // {OPERATORS}
{ {
fmt.Printf("%q\n", l.TokenBytes(nil)) fmt.Printf("%q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule137: // . yyrule138: // .
{ {
fmt.Printf("%q\n", l.TokenBytes(nil)) fmt.Printf("%q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule138: // {VAR_NAME}[\[\}] yyrule139: // {VAR_NAME}[\[\}]
{ {
fmt.Printf("T_STRING_VARNAME: %q\n", l.ungetN(1)) fmt.Printf("T_STRING_VARNAME: %q\n", l.ungetN(1))
popState() popState()
pushState(PHP) pushState(PHP)
goto yystate0 goto yystate0
} }
yyrule139: // . yyrule140: // .
{ {
l.ungetN(1) l.ungetN(1)
popState() popState()
pushState(PHP) pushState(PHP)
goto yystate0 goto yystate0
} }
yyrule140: // . yyrule141: // .
{ {
fmt.Printf("other: %q\n", l.TokenBytes(nil)) fmt.Printf("other: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0

71
php-parser.l
View File

@ -14,6 +14,7 @@ import (
"unicode" "unicode"
"fmt" "fmt"
"os" "os"
"bytes"
"github.com/cznic/golex/lex" "github.com/cznic/golex/lex"
) )
@ -35,6 +36,7 @@ const (
STRING_VAR_INDEX STRING_VAR_INDEX
STRING_VAR_NAME STRING_VAR_NAME
PROPERTY PROPERTY
HEREDOC_END
) )
@ -43,6 +45,7 @@ type lexer struct {
} }
var stateStack = []int{PHP} var stateStack = []int{PHP}
var heredocLabel []byte
func pushState(state int) { func pushState(state int) {
sc = state sc = state
@ -127,7 +130,7 @@ func (l *lexer) Lex() int { // Lex(lval *yySymType)
%} %}
%s PHP STRING STRING_VAR STRING_VAR_INDEX STRING_VAR_NAME PROPERTY %s PHP STRING STRING_VAR STRING_VAR_INDEX STRING_VAR_NAME PROPERTY HEREDOC_END
%yyb last == '\n' || last = '\0' %yyb last == '\n' || last = '\0'
%yyt sc %yyt sc
@ -274,12 +277,66 @@ NEW_LINE (\r|\n|\r\n)
<PHP>[b]?\<\<\<[ \t]*({VAR_NAME}|([']{VAR_NAME}['])|(["]{VAR_NAME}["])){NEW_LINE} <PHP>[b]?\<\<\<[ \t]*({VAR_NAME}|([']{VAR_NAME}['])|(["]{VAR_NAME}["])){NEW_LINE}
tb := l.TokenBytes(nil) tb := l.TokenBytes(nil)
fmt.Println(string(tb[len(tb)-2])) binPrefix := 0
// switch la { if tb[0] == 'b' {
// case '\'' : fmt.Println("ST_NOWDOC");//begin(ST_NOWDOC) binPrefix = 1
// case '"' : fmt.Println("ST_HEREDOC");//begin(ST_HEREDOC) }
// }
fmt.Printf("T_START_HEREDOC: %s\n", l.TokenBytes(nil)); lblFirst := 3 + binPrefix
lblLast := len(tb)-2
if tb[lblLast] == '\r' {
lblLast--
}
for {
if tb[lblFirst] == ' ' || tb[lblFirst] == '\t' {
lblFirst++
continue
}
break
}
switch tb[lblFirst] {
case '\'' :
lblFirst++
lblLast--
fmt.Println("NOWDOC");
//begin(NOWDOC)
case '"' :
lblFirst++
lblLast--
fmt.Println("HEREDOC");
//begin(HEREDOC)
default:
//begin(HEREDOC)
}
heredocLabel = tb[lblFirst:lblLast+1]
ungetCnt := len(heredocLabel)
searchLabelAhead := []byte{}
for i := 0; i < len(heredocLabel); i++ {
if c == -1 {
break;
}
searchLabelAhead = append(searchLabelAhead, byte(rune(c)))
c = l.Next()
}
if bytes.Equal(heredocLabel, searchLabelAhead) && ';' == rune(c) {
ungetCnt++
c = l.Next()
if '\n' == rune(c) || '\r' == rune(c) {
begin(HEREDOC_END)
}
}
l.ungetN(ungetCnt)
fmt.Printf("T_START_HEREDOC: %q\n", tb);
<HEREDOC_END>{VAR_NAME}\; fmt.Printf("T_END_HEREDOC: %q\n", l.ungetN(1));begin(PHP)
<PHP>[b]?[\"] <PHP>[b]?[\"]
binPrefix := l.TokenBytes(nil)[0] == 'b' binPrefix := l.TokenBytes(nil)[0] == 'b'