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handle heredoc statements

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This commit is contained in:
vadim 2017-11-20 12:22:03 +02:00
parent 7ab895a8a0
commit 082c846c8e
2 changed files with 300 additions and 181 deletions
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394
php-parser.go
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@ -39,6 +39,7 @@ const (
PROPERTY PROPERTY
HEREDOC_END HEREDOC_END
NOWDOC NOWDOC
HEREDOC
) )
type lexer struct { type lexer struct {
@ -51,7 +52,6 @@ var heredocLabel []byte
func pushState(state int) { func pushState(state int) {
sc = state sc = state
stateStack = append(stateStack, state) stateStack = append(stateStack, state)
fmt.Printf("PUSH STATE; CURRENT STATE: %d\n", state)
} }
func popState() { func popState() {
@ -62,11 +62,13 @@ func popState() {
sc = stateStack[len-2] sc = stateStack[len-2]
stateStack = stateStack[:len-1] stateStack = stateStack[:len-1]
fmt.Printf("POP STATE; CURRENT STATE: %d\n", sc)
} }
func begin(state int) { func begin(state int) {
len := len(stateStack)
stateStack = stateStack[:len-1]
stateStack = append(stateStack, state)
sc = state sc = state
} }
@ -158,6 +160,8 @@ yystate0:
goto yystart514 goto yystart514
case 8: // start condition: NOWDOC case 8: // start condition: NOWDOC
goto yystart519 goto yystart519
case 9: // start condition: HEREDOC
goto yystart521
} }
goto yystate0 // silence unused label error goto yystate0 // silence unused label error
@ -450,6 +454,8 @@ yyAction:
goto yyrule142 goto yyrule142
case 143: case 143:
goto yyrule143 goto yyrule143
case 144:
goto yyrule144
} }
goto yystate1 // silence unused label error goto yystate1 // silence unused label error
yystate1: yystate1:
@ -653,9 +659,9 @@ yystart11:
yystate12: yystate12:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
goto yyrule143 goto yyrule144
yystate13: yystate13:
c = l.Next() c = l.Next()
@ -715,11 +721,11 @@ yystate18:
yystate19: yystate19:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == '\n': case c == '\n':
goto yystate20 goto yystate20
case c == '\r': case c == '\r':
@ -809,11 +815,11 @@ yystate28:
yystate29: yystate29:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == '\'': case c == '\'':
goto yystate31 goto yystate31
case c == '\\': case c == '\\':
@ -1993,11 +1999,11 @@ yystate151:
yystate152: yystate152:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == '_': case c == '_':
goto yystate153 goto yystate153
} }
@ -2534,11 +2540,11 @@ yystate212:
yystate213: yystate213:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'b': case c == 'b':
goto yystate214 goto yystate214
case c == 'n': case c == 'n':
@ -2665,11 +2671,11 @@ yystate227:
yystate228: yystate228:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == '"': case c == '"':
goto yystate229 goto yystate229
case c == '<': case c == '<':
@ -2737,11 +2743,11 @@ yystate235:
yystate236: yystate236:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'a': case c == 'a':
goto yystate237 goto yystate237
case c == 'f': case c == 'f':
@ -3062,11 +3068,11 @@ yystate272:
yystate273: yystate273:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'e': case c == 'e':
goto yystate274 goto yystate274
case c == 'i': case c == 'i':
@ -3193,11 +3199,11 @@ yystate287:
yystate288: yystate288:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'c': case c == 'c':
goto yystate289 goto yystate289
case c == 'l': case c == 'l':
@ -3569,11 +3575,11 @@ yystate329:
yystate330: yystate330:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'i': case c == 'i':
goto yystate331 goto yystate331
case c == 'o': case c == 'o':
@ -3690,11 +3696,11 @@ yystate342:
yystate343: yystate343:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'l': case c == 'l':
goto yystate344 goto yystate344
case c == 'o': case c == 'o':
@ -3769,11 +3775,11 @@ yystate351:
yystate352: yystate352:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'f': case c == 'f':
goto yystate353 goto yystate353
case c == 'm': case c == 'm':
@ -4052,11 +4058,11 @@ yystate383:
yystate384: yystate384:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'a': case c == 'a':
goto yystate385 goto yystate385
case c == 'e': case c == 'e':
@ -4149,11 +4155,11 @@ yystate394:
yystate395: yystate395:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'r': case c == 'r':
goto yystate396 goto yystate396
} }
@ -4166,11 +4172,11 @@ yystate396:
yystate397: yystate397:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'r': case c == 'r':
goto yystate398 goto yystate398
case c == 'u': case c == 'u':
@ -4334,11 +4340,11 @@ yystate415:
yystate416: yystate416:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'e': case c == 'e':
goto yystate417 goto yystate417
} }
@ -4387,11 +4393,11 @@ yystate421:
yystate422: yystate422:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 't': case c == 't':
goto yystate423 goto yystate423
case c == 'w': case c == 'w':
@ -4484,11 +4490,11 @@ yystate432:
yystate433: yystate433:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'h': case c == 'h':
goto yystate434 goto yystate434
case c == 'r': case c == 'r':
@ -4571,11 +4577,11 @@ yystate442:
yystate443: yystate443:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 's': case c == 's':
goto yystate444 goto yystate444
} }
@ -4597,11 +4603,11 @@ yystate445:
yystate446: yystate446:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'a': case c == 'a':
goto yystate447 goto yystate447
} }
@ -4623,11 +4629,11 @@ yystate448:
yystate449: yystate449:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'h': case c == 'h':
goto yystate450 goto yystate450
} }
@ -4667,11 +4673,11 @@ yystate453:
yystate454: yystate454:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'o': case c == 'o':
goto yystate455 goto yystate455
} }
@ -4693,11 +4699,11 @@ yystate456:
yystate457: yystate457:
c = l.Next() c = l.Next()
yyrule = 143 yyrule = 144
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule143 goto yyrule144
case c == 'i': case c == 'i':
goto yystate458 goto yystate458
} }
@ -4902,45 +4908,45 @@ yystart479:
goto yystate488 goto yystate488
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 yystate486 goto yystate486
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '#' || c >= '%' && c <= ',' || c >= '.' && c <= '@' || c >= '\\' && c <= '^' || c == '`' || c >= '{' && c <= '~': case c >= '\x01' && c <= '#' || c >= '%' && c <= ',' || c >= '.' && c <= '@' || c >= '\\' && c <= '^' || c == '`' || c >= '{' && c <= '~':
goto yystate480 goto yystate480
} }
yystate480: yystate480:
c = l.Next() c = l.Next()
yyrule = 133 yyrule = 134
l.Mark() l.Mark()
goto yyrule133 goto yyrule134
yystate481: yystate481:
c = l.Next() c = l.Next()
yyrule = 133 yyrule = 134
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule133 goto yyrule134
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 = 129 yyrule = 130
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule129 goto yyrule130
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 = 133 yyrule = 134
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule133 goto yyrule134
case c == '>': case c == '>':
goto yystate484 goto yystate484
} }
@ -4956,42 +4962,42 @@ yystate484:
yystate485: yystate485:
c = l.Next() c = l.Next()
yyrule = 130 yyrule = 131
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule130 goto yyrule131
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 = 131 yyrule = 132
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule131 goto yyrule132
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 = 131 yyrule = 132
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule131 goto yyrule132
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 = 132 yyrule = 133
l.Mark() l.Mark()
goto yyrule132 goto yyrule133
goto yystate489 // silence unused label error goto yystate489 // silence unused label error
yystate489: yystate489:
@ -5020,99 +5026,99 @@ yystart489:
yystate490: yystate490:
c = l.Next() c = l.Next()
yyrule = 140 yyrule = 141
l.Mark() l.Mark()
goto yyrule140 goto yyrule141
yystate491: yystate491:
c = l.Next()
yyrule = 138
l.Mark()
goto yyrule138
yystate492:
c = l.Next()
yyrule = 138
l.Mark()
goto yyrule138
yystate493:
c = l.Next() c = l.Next()
yyrule = 139 yyrule = 139
l.Mark() l.Mark()
goto yyrule139 goto yyrule139
yystate494: yystate492:
c = l.Next() c = l.Next()
yyrule = 139 yyrule = 139
l.Mark() l.Mark()
goto yyrule139
yystate493:
c = l.Next()
yyrule = 140
l.Mark()
goto yyrule140
yystate494:
c = l.Next()
yyrule = 140
l.Mark()
switch { switch {
default: default:
goto yyrule139 goto yyrule140
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 = 135 yyrule = 136
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule135 goto yyrule136
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 = 134 yyrule = 135
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule134 goto yyrule135
case c >= '0' && c <= '9': case c >= '0' && c <= '9':
goto yystate497 goto yystate497
} }
yystate497: yystate497:
c = l.Next() c = l.Next()
yyrule = 134 yyrule = 135
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule134 goto yyrule135
case c >= '0' && c <= '9': case c >= '0' && c <= '9':
goto yystate497 goto yystate497
} }
yystate498: yystate498:
c = l.Next() c = l.Next()
yyrule = 136 yyrule = 137
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule136 goto yyrule137
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 = 136 yyrule = 137
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule136 goto yyrule137
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 = 137 yyrule = 138
l.Mark() l.Mark()
goto yyrule137 goto yyrule138
goto yystate501 // silence unused label error goto yystate501 // silence unused label error
yystate501: yystate501:
@ -5129,17 +5135,17 @@ yystart501:
yystate502: yystate502:
c = l.Next() c = l.Next()
yyrule = 142 yyrule = 143
l.Mark() l.Mark()
goto yyrule142 goto yyrule143
yystate503: yystate503:
c = l.Next() c = l.Next()
yyrule = 142 yyrule = 143
l.Mark() l.Mark()
switch { switch {
default: default:
goto yyrule142 goto yyrule143
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':
@ -5159,9 +5165,9 @@ yystate504:
yystate505: yystate505:
c = l.Next() c = l.Next()
yyrule = 141 yyrule = 142
l.Mark() l.Mark()
goto yyrule141 goto yyrule142
goto yystate506 // silence unused label error goto yystate506 // silence unused label error
yystate506: yystate506:
@ -5315,6 +5321,49 @@ yystate520:
l.Mark() l.Mark()
goto yyrule120 goto yyrule120
goto yystate521 // silence unused label error
yystate521:
c = l.Next()
yystart521:
switch {
default:
goto yyabort
case c == '$':
goto yystate523
case c == '{':
goto yystate524
case c >= '\x01' && c <= '#' || c >= '%' && c <= 'z' || c >= '|' && c <= 'ÿ':
goto yystate522
}
yystate522:
c = l.Next()
yyrule = 129
l.Mark()
goto yyrule129
yystate523:
c = l.Next()
yyrule = 127
l.Mark()
switch {
default:
goto yyrule127
case c == '{':
goto yystate476
}
yystate524:
c = l.Next()
yyrule = 129
l.Mark()
switch {
default:
goto yyrule129
case c == '$':
goto yystate478
}
yyrule1: // [ \t\n\r]+ yyrule1: // [ \t\n\r]+
goto yystate0 goto yystate0
@ -5937,12 +5986,12 @@ yyrule119: // [b]?\<\<\<[ \t]*({VAR_NAME}|([']{VAR_NAME}['])|(["]{VAR_NAME}["]))
case '"': case '"':
lblFirst++ lblFirst++
lblLast-- lblLast--
fmt.Println("HEREDOC") begin(HEREDOC)
//begin(HEREDOC)
default: default:
//begin(HEREDOC) begin(HEREDOC)
} }
heredocLabel = tb[lblFirst : lblLast+1] heredocLabel = make([]byte, lblLast-lblFirst+1)
copy(heredocLabel, tb[lblFirst:lblLast+1])
ungetCnt := len(heredocLabel) ungetCnt := len(heredocLabel)
searchLabelAhead := []byte{} searchLabelAhead := []byte{}
@ -5969,7 +6018,7 @@ yyrule120: // .
searchLabel := []byte{} searchLabel := []byte{}
tb := []byte{} tb := []byte{}
ND_FOR:
for { for {
if c == -1 { if c == -1 {
break break
@ -5978,50 +6027,13 @@ yyrule120: // .
if bytes.Equal(append(heredocLabel, ';'), searchLabel) { if bytes.Equal(append(heredocLabel, ';'), searchLabel) {
begin(HEREDOC_END) begin(HEREDOC_END)
tb = l.ungetN(len(heredocLabel) + 1) tb = l.ungetN(len(heredocLabel) + 1)
break ND_FOR break
} }
searchLabel = []byte{} searchLabel = []byte{}
} else { } else {
searchLabel = append(searchLabel, byte(rune(c))) searchLabel = append(searchLabel, byte(rune(c)))
} }
// fmt.Printf("current: %q\n", rune(c));
// ND_SWITCH:switch c {
// case '\r':
// c = l.Next()
// if rune(c) != '\n' {
// l.ungetN(0)
// }
// fallthrough
// case '\n':
// c = l.Next()
// ungetCnt := len(heredocLabel)
// searchLabelAhead := []byte{}
// for i := 0; i <= len(heredocLabel); i++ {
// if c == -1 {
// break ND_FOR;
// }
// if '\n' == rune(c) || '\r' == rune(c) {
// break ND_SWITCH;
// }
// searchLabelAhead = append(searchLabelAhead, byte(rune(c)))
// c = l.Next()
// }
// fmt.Printf("searchLabelAhead: %q %q\n", searchLabelAhead, heredocLabel);
// if bytes.Equal(heredocLabel, searchLabelAhead) && ';' == rune(c) {
// ungetCnt++
// c = l.Next()
// if c == -1 {
// break ND_FOR;
// }
// if '\n' == rune(c) || '\r' == rune(c) {
// begin(HEREDOC_END)
// l.ungetN(ungetCnt)
// break ND_FOR;
// }
// }
// }
c = l.Next() c = l.Next()
} }
fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", tb) fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", tb)
@ -6107,7 +6119,7 @@ yyrule126: // \$\{
yyrule127: // \$ yyrule127: // \$
{ {
l.ungetN(1) l.ungetN(1)
begin(STRING_VAR) pushState(STRING_VAR)
goto yystate0 goto yystate0
} }
yyrule128: // . yyrule128: // .
@ -6149,86 +6161,140 @@ yyrule128: // .
} }
goto yystate0 goto yystate0
} }
yyrule129: // \${VAR_NAME} yyrule129: // .|[ \t\n\r]
{
searchLabel := []byte{}
tb := []byte{}
HEREDOCFOR:
for {
if c == -1 {
break
}
switch c {
case '\n':
fallthrough
case '\r':
if bytes.Equal(append(heredocLabel, ';'), searchLabel) {
begin(HEREDOC_END)
tb = l.ungetN(len(heredocLabel) + 1)
break HEREDOCFOR
}
searchLabel = []byte{}
case '$':
c = l.Next()
if rune(c) == '{' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ' {
tb = l.ungetN(1)
break HEREDOCFOR
}
l.ungetN(0)
searchLabel = []byte{}
case '{':
c = l.Next()
if rune(c) == '$' {
tb = l.ungetN(1)
break HEREDOCFOR
}
l.ungetN(0)
searchLabel = []byte{}
case '\\':
c = l.Next()
searchLabel = []byte{}
default:
searchLabel = append(searchLabel, byte(rune(c)))
}
c = l.Next()
}
fmt.Printf("T_ENCAPSED_AND_WHITESPACE(HEREDOC): %q\n", tb)
goto yystate0
}
yyrule130: // \${VAR_NAME}
{ {
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)) fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule130: // ->{VAR_NAME} yyrule131: // ->{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
} }
yyrule131: // {VAR_NAME} yyrule132: // {VAR_NAME}
{ {
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
begin(STRING) popState()
goto yystate0 goto yystate0
} }
yyrule132: // \[ yyrule133: // \[
{ {
fmt.Println("[") fmt.Println("[")
begin(STRING_VAR_INDEX) pushState(STRING_VAR_INDEX)
goto yystate0 goto yystate0
} }
yyrule133: // . yyrule134: // .|[ \t\n\r]
{ {
l.ungetN(1) l.ungetN(1)
begin(STRING) popState()
goto yystate0 goto yystate0
} }
yyrule134: // {LNUM} yyrule135: // {LNUM}
{ {
fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule135: // \${VAR_NAME} yyrule136: // \${VAR_NAME}
{ {
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)) fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule136: // {VAR_NAME} yyrule137: // {VAR_NAME}
{ {
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil)) fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule137: // \] yyrule138: // \]
{ {
fmt.Println("\"]\"") fmt.Println("\"]\"")
begin(STRING) popState()
popState()
goto yystate0 goto yystate0
} }
yyrule138: // [ \n\r\t\\'#] yyrule139: // [ \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) popState()
popState()
goto yystate0 goto yystate0
} }
yyrule139: // {OPERATORS} yyrule140: // {OPERATORS}
{ {
fmt.Printf("%q\n", l.TokenBytes(nil)) fmt.Printf("%q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule140: // . yyrule141: // .
{ {
fmt.Printf("%q\n", l.TokenBytes(nil)) fmt.Printf("%q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0
} }
yyrule141: // {VAR_NAME}[\[\}] yyrule142: // {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
} }
yyrule142: // . yyrule143: // .
{ {
l.ungetN(1) l.ungetN(1)
popState() popState()
pushState(PHP) pushState(PHP)
goto yystate0 goto yystate0
} }
yyrule143: // . yyrule144: // .
{ {
fmt.Printf("other: %q\n", l.TokenBytes(nil)) fmt.Printf("other: %q\n", l.TokenBytes(nil))
goto yystate0 goto yystate0

85
php-parser.l
View File

@ -38,6 +38,7 @@ const (
PROPERTY PROPERTY
HEREDOC_END HEREDOC_END
NOWDOC NOWDOC
HEREDOC
) )
@ -51,7 +52,6 @@ var heredocLabel []byte
func pushState(state int) { func pushState(state int) {
sc = state sc = state
stateStack = append(stateStack, state) stateStack = append(stateStack, state)
fmt.Printf("PUSH STATE; CURRENT STATE: %d\n", state)
} }
func popState() { func popState() {
@ -62,11 +62,13 @@ func popState() {
sc = stateStack[len - 2] sc = stateStack[len - 2]
stateStack = stateStack[:len-1] stateStack = stateStack[:len-1]
fmt.Printf("POP STATE; CURRENT STATE: %d\n", sc)
} }
func begin(state int) { func begin(state int) {
len := len(stateStack)
stateStack = stateStack[:len-1]
stateStack = append(stateStack, state)
sc = state sc = state
} }
@ -131,7 +133,7 @@ func (l *lexer) Lex() int { // Lex(lval *yySymType)
%} %}
%s PHP STRING STRING_VAR STRING_VAR_INDEX STRING_VAR_NAME PROPERTY HEREDOC_END NOWDOC %s PHP STRING STRING_VAR STRING_VAR_INDEX STRING_VAR_NAME PROPERTY HEREDOC_END NOWDOC HEREDOC
%yyb last == '\n' || last = '\0' %yyb last == '\n' || last = '\0'
%yyt sc %yyt sc
@ -306,13 +308,13 @@ NEW_LINE (\r|\n|\r\n)
case '"' : case '"' :
lblFirst++ lblFirst++
lblLast-- lblLast--
fmt.Println("HEREDOC"); begin(HEREDOC)
//begin(HEREDOC)
default: default:
//begin(HEREDOC) begin(HEREDOC)
} }
heredocLabel = tb[lblFirst:lblLast+1] heredocLabel = make([]byte, lblLast - lblFirst + 1)
copy(heredocLabel, tb[lblFirst:lblLast+1])
ungetCnt := len(heredocLabel) ungetCnt := len(heredocLabel)
searchLabelAhead := []byte{} searchLabelAhead := []byte{}
@ -412,9 +414,9 @@ NEW_LINE (\r|\n|\r\n)
} }
<STRING>\" fmt.Println("\""); popState() <STRING>\" fmt.Println("\""); popState()
<STRING>\{\$ fmt.Printf("T_CURLY_OPEN: %q\n", l.ungetN(1));pushState(PHP) <STRING,HEREDOC>\{\$ fmt.Printf("T_CURLY_OPEN: %q\n", l.ungetN(1));pushState(PHP)
<STRING>\$\{ fmt.Printf("T_DOLLAR_OPEN_CURLY_BRACES: %q\n", l.TokenBytes(nil));pushState(STRING_VAR_NAME) <STRING,HEREDOC>\$\{ fmt.Printf("T_DOLLAR_OPEN_CURLY_BRACES: %q\n", l.TokenBytes(nil));pushState(STRING_VAR_NAME)
<STRING>\$ l.ungetN(1);begin(STRING_VAR) <STRING,HEREDOC>\$ l.ungetN(1);pushState(STRING_VAR)
<STRING>. <STRING>.
F1:for { F1:for {
if c == -1 { if c == -1 {
@ -453,17 +455,68 @@ NEW_LINE (\r|\n|\r\n)
c = l.Next() c = l.Next()
} }
<HEREDOC>.|[ \t\n\r]
searchLabel := []byte{}
tb := []byte{}
HEREDOCFOR:for {
if c == -1 {
break;
}
switch c {
case '\n': fallthrough
case '\r':
if bytes.Equal(append(heredocLabel, ';'), searchLabel) {
begin(HEREDOC_END)
tb = l.ungetN(len(heredocLabel)+1)
break HEREDOCFOR;
}
searchLabel = []byte{}
case '$':
c = l.Next();
if rune(c) == '{' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ' {
tb = l.ungetN(1)
break HEREDOCFOR;
}
l.ungetN(0)
searchLabel = []byte{}
case '{':
c = l.Next();
if rune(c) == '$' {
tb = l.ungetN(1)
break HEREDOCFOR;
}
l.ungetN(0)
searchLabel = []byte{}
case '\\':
c = l.Next();
searchLabel = []byte{}
default:
searchLabel = append(searchLabel, byte(rune(c)))
}
c = l.Next()
}
fmt.Printf("T_ENCAPSED_AND_WHITESPACE(HEREDOC): %q\n", tb);
<STRING_VAR>\${VAR_NAME} fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)); <STRING_VAR>\${VAR_NAME} fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil));
<STRING_VAR>->{VAR_NAME} fmt.Printf("T_OBJECT_OPERATOR: %q\n", l.ungetN(len(l.TokenBytes(nil))-2)); <STRING_VAR>->{VAR_NAME} fmt.Printf("T_OBJECT_OPERATOR: %q\n", l.ungetN(len(l.TokenBytes(nil))-2));
<STRING_VAR>{VAR_NAME} fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil));begin(STRING) <STRING_VAR>{VAR_NAME} fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil));popState()
<STRING_VAR>\[ fmt.Println("["); begin(STRING_VAR_INDEX) <STRING_VAR>\[ fmt.Println("["); pushState(STRING_VAR_INDEX)
<STRING_VAR>. l.ungetN(1);begin(STRING) <STRING_VAR>.|[ \t\n\r] l.ungetN(1);popState()
<STRING_VAR_INDEX>{LNUM} fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil)); <STRING_VAR_INDEX>{LNUM} fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>\${VAR_NAME} fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil)); <STRING_VAR_INDEX>\${VAR_NAME} fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>{VAR_NAME} fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil)); <STRING_VAR_INDEX>{VAR_NAME} fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>\] fmt.Println("\"]\""); begin(STRING) <STRING_VAR_INDEX>\] fmt.Println("\"]\""); popState(); popState()
<STRING_VAR_INDEX>[ \n\r\t\\'#] fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", l.ungetN(1));begin(STRING) <STRING_VAR_INDEX>[ \n\r\t\\'#] fmt.Printf("T_ENCAPSED_AND_WHITESPACE: %q\n", l.ungetN(1)); popState(); popState()
<STRING_VAR_INDEX>{OPERATORS} fmt.Printf("%q\n", l.TokenBytes(nil)); <STRING_VAR_INDEX>{OPERATORS} fmt.Printf("%q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>. fmt.Printf("%q\n", l.TokenBytes(nil)); <STRING_VAR_INDEX>. fmt.Printf("%q\n", l.TokenBytes(nil));