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This commit is contained in:
z7zmey 2017-11-13 09:48:57 +02:00
parent a30949861d
commit 78670ba71e
4 changed files with 322 additions and 8 deletions
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1
.gitignore vendored Normal file
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@ -0,0 +1 @@
php-parser

294
php-parser.go
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@ -32,6 +32,8 @@ const (
INITIAL = iota
PHP
STRING
STRING_VAR
STRING_VAR_INDEX
)
type lexer struct {
@ -118,6 +120,10 @@ yystate0:
goto yystart11
case 2: // start condition: STRING
goto yystart34
case 3: // start condition: STRING_VAR
goto yystart64
case 4: // start condition: STRING_VAR_INDEX
goto yystart74
}
goto yystate0 // silence unused label error
@ -162,6 +168,26 @@ yyAction:
goto yyrule18
case 19:
goto yyrule19
case 20:
goto yyrule20
case 21:
goto yyrule21
case 22:
goto yyrule22
case 23:
goto yyrule23
case 24:
goto yyrule24
case 25:
goto yyrule25
case 26:
goto yyrule26
case 27:
goto yyrule27
case 28:
goto yyrule28
case 29:
goto yyrule29
}
goto yystate1 // silence unused label error
yystate1:
@ -484,11 +510,11 @@ yystate26:
yystate27:
c = l.Next()
yyrule = 19
yyrule = 29
l.Mark()
switch {
default:
goto yyrule19
goto yyrule29
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate27
}
@ -989,6 +1015,209 @@ yystate63:
l.Mark()
goto yyrule12
goto yystate64 // silence unused label error
yystate64:
c = l.Next()
yystart64:
switch {
default:
goto yyabort
case c == '$':
goto yystate66
case c == '-':
goto yystate68
case c == '[':
goto yystate73
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate71
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '#' || c >= '%' && c <= ',' || c >= '.' && c <= '@' || c >= '\\' && c <= '^' || c == '`' || c >= '{' && c <= '~':
goto yystate65
}
yystate65:
c = l.Next()
yyrule = 23
l.Mark()
goto yyrule23
yystate66:
c = l.Next()
yyrule = 23
l.Mark()
switch {
default:
goto yyrule23
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate67
}
yystate67:
c = l.Next()
yyrule = 19
l.Mark()
switch {
default:
goto yyrule19
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate67
}
yystate68:
c = l.Next()
yyrule = 23
l.Mark()
switch {
default:
goto yyrule23
case c == '>':
goto yystate69
}
yystate69:
c = l.Next()
switch {
default:
goto yyabort
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate70
}
yystate70:
c = l.Next()
yyrule = 20
l.Mark()
switch {
default:
goto yyrule20
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate70
}
yystate71:
c = l.Next()
yyrule = 21
l.Mark()
switch {
default:
goto yyrule21
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate72
}
yystate72:
c = l.Next()
yyrule = 21
l.Mark()
switch {
default:
goto yyrule21
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate72
}
yystate73:
c = l.Next()
yyrule = 22
l.Mark()
goto yyrule22
goto yystate74 // silence unused label error
yystate74:
c = l.Next()
yystart74:
switch {
default:
goto yyabort
case c == '$':
goto yystate76
case c == ']':
goto yystate82
case c >= '0' && c <= '9':
goto yystate78
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate80
case c >= '\x01' && c <= '\t' || c >= '\v' && c <= '#' || c >= '%' && c <= '/' || c >= ':' && c <= '@' || c == '[' || c == '\\' || c == '^' || c == '`' || c >= '{' && c <= '~':
goto yystate75
}
yystate75:
c = l.Next()
yyrule = 28
l.Mark()
goto yyrule28
yystate76:
c = l.Next()
yyrule = 28
l.Mark()
switch {
default:
goto yyrule28
case c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate77
}
yystate77:
c = l.Next()
yyrule = 25
l.Mark()
switch {
default:
goto yyrule25
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate77
}
yystate78:
c = l.Next()
yyrule = 24
l.Mark()
switch {
default:
goto yyrule24
case c >= '0' && c <= '9':
goto yystate79
}
yystate79:
c = l.Next()
yyrule = 24
l.Mark()
switch {
default:
goto yyrule24
case c >= '0' && c <= '9':
goto yystate79
}
yystate80:
c = l.Next()
yyrule = 26
l.Mark()
switch {
default:
goto yyrule26
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate81
}
yystate81:
c = l.Next()
yyrule = 26
l.Mark()
switch {
default:
goto yyrule26
case c >= '0' && c <= '9' || c >= 'A' && c <= 'Z' || c == '_' || c >= 'a' && c <= 'z' || c >= '\u007f' && c <= 'ÿ':
goto yystate81
}
yystate82:
c = l.Next()
yyrule = 27
l.Mark()
goto yyrule27
yyrule1: // [ \t\n\r]+
goto yystate0
@ -1057,12 +1286,13 @@ yyrule13: // \$\{
}
yyrule14: // \$
{
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
l.ungetN(1)
begin(STRING_VAR)
goto yystate0
}
yyrule15: // {STR}{STR_END}
{
fmt.Printf("T_ENCAPSED_AND_WHITESPACE1: %q\n", l.unget('"'))
fmt.Printf("T_ENCAPSED_AND_WHITESPACE1: %q\n", l.ungetN(1))
goto yystate0
}
yyrule16: // {STR}[\{]+[\$]
@ -1080,7 +1310,61 @@ yyrule18: // {STR}[^\{][\$]+[a-zA-Z_\x7f-\xff]
fmt.Printf("T_ENCAPSED_AND_WHITESPACE4: %q\n", l.ungetN(2))
goto yystate0
}
yyrule19: // \${VAR}
yyrule19: // \${VAR_NAME}
{
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0
}
yyrule20: // ->{VAR_NAME}
{
fmt.Printf("T_OBJECT_OPERATOR: %q\n", l.ungetN(len(l.TokenBytes(nil))-2))
goto yystate0
}
yyrule21: // {VAR_NAME}
{
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
begin(STRING)
goto yystate0
}
yyrule22: // \[
{
fmt.Println("[")
begin(STRING_VAR_INDEX)
goto yystate0
}
yyrule23: // .
{
l.ungetN(1)
begin(STRING)
goto yystate0
}
yyrule24: // {D}
{
fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil))
goto yystate0
}
yyrule25: // \${VAR_NAME}
{
fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
goto yystate0
}
yyrule26: // {VAR_NAME}
{
fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil))
goto yystate0
}
yyrule27: // \]
{
fmt.Println("]")
begin(STRING)
goto yystate0
}
yyrule28: // .
{
fmt.Printf("%q\n", l.TokenBytes(nil))
goto yystate0
}
yyrule29: // \${VAR_NAME}
{
fmt.Println("T_VARIABLE")
goto yystate0

20
php-parser.l
View File

@ -31,6 +31,8 @@ const (
INITIAL = iota
PHP
STRING
STRING_VAR
STRING_VAR_INDEX
)
type lexer struct {
@ -102,7 +104,7 @@ func (l *lexer) Lex() int { // Lex(lval *yySymType)
%}
%s PHP STRING
%s PHP STRING STRING_VAR STRING_VAR_INDEX
%yyb last == '\n' || last = '\0'
%yyt sc
@ -140,13 +142,25 @@ VAR_NAME [a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*
<STRING>\" fmt.Println("\""); begin(PHP)
<STRING>\{\$ fmt.Printf("T_CURLY_OPEN: %q\n", l.ungetN(1));
<STRING>\$\{ fmt.Printf("T_DOLLAR_OPEN_CURLY_BRACES: %q\n", l.TokenBytes(nil))
<STRING>\$ fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil))
<STRING>\$ l.ungetN(1);begin(STRING_VAR)
<STRING>{STR}{STR_END} fmt.Printf("T_ENCAPSED_AND_WHITESPACE1: %q\n", l.unget('"'));
<STRING>{STR}{STR_END} fmt.Printf("T_ENCAPSED_AND_WHITESPACE1: %q\n", l.ungetN(1));
<STRING>{STR}[\{]+[\$] fmt.Printf("T_ENCAPSED_AND_WHITESPACE2: %q\n", l.ungetN(2));
<STRING>{STR}[\$]+[\{] fmt.Printf("T_ENCAPSED_AND_WHITESPACE3: %q\n", l.ungetN(2));
<STRING>{STR}[^\{][\$]+[a-zA-Z_\x7f-\xff] fmt.Printf("T_ENCAPSED_AND_WHITESPACE4: %q\n", l.ungetN(2));
<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_STRING: %q\n", l.TokenBytes(nil));begin(STRING)
<STRING_VAR>\[ fmt.Println("["); begin(STRING_VAR_INDEX)
<STRING_VAR>. l.ungetN(1);begin(STRING)
<STRING_VAR_INDEX>{D} fmt.Printf("T_NUM_STRING: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>\${VAR_NAME} fmt.Printf("T_VARIABLE: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>{VAR_NAME} fmt.Printf("T_STRING: %q\n", l.TokenBytes(nil));
<STRING_VAR_INDEX>\] fmt.Println("\"]\""); begin(STRING)
<STRING_VAR_INDEX>. fmt.Printf("%q\n", l.TokenBytes(nil));
<PHP>\${VAR_NAME} fmt.Println("T_VARIABLE")
%%

15
strings Normal file
View File

@ -0,0 +1,15 @@
""
"\{"
"\$"
"\""
"$"
"$a"
"\$a"
"a$a"
"a$ "
"a$"
"{"
"{$"
"{$a"
"a{$"
"a{$a"