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php-parser/scanner/scanner_test.go

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package scanner_test
import (
"bytes"
"reflect"
"testing"
"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/meta"
"github.com/z7zmey/php-parser/scanner"
"github.com/kylelemons/godebug/pretty"
)
func assertEqual(t *testing.T, expected interface{}, actual interface{}) {
if !reflect.DeepEqual(expected, actual) {
diff := pretty.Compare(expected, actual)
if diff != "" {
t.Errorf("diff: (-expected +actual)\n%s", diff)
} else {
t.Errorf("expected and actual are not equal\n")
}
}
}
type lval struct {
Tkn *scanner.Token
}
func (lv *lval) Token(t *scanner.Token) {
lv.Tkn = t
}
func TestTokens(t *testing.T) {
src := `inline html -
<? ?>
<?= ?>
<?php
0.1
.1
1e10
.1e10
0b1
0b1111111111111111111111111111111111111111111111111111111111111111
0x007111111111111111
0x8111111111111111
1234567890123456789
12345678901234567890
abstract
array
as
break
callable
case
catch
class
clone
const
continue
declare
default
do
echo
else
elseif
empty
enddeclare
endfor
endforeach
endif
endswitch
endwhile
eval
exit
extends
final
finally
for
foreach
function
cfunction
global
goto
if
isset
implements
instanceof
insteadof
interface
list
namespace
private
public
print
protected
return
static
switch
throw
trait
try
unset
use
var
while
yield ` + "\t\r\n" + ` from
yield
include
include_once
require
require_once
__CLASS__
__DIR__
__FILE__
__FUNCTION__
__LINE__
__NAMESPACE__
__METHOD__
__TRAIT__
__halt_compiler
new
and
or
xor
\
...
::
&&
||
&=
|=
.=
*=
**=
/=
+=
-=
^=
%=
--
++
=>
<=>
!=
<>
!==
==
===
<<=
>>=
>=
<=
**
<<
>>
??
# inline comment
// inline comment
/*
multiline comment
*/
/**
* PHP Doc comment
*/
;
:
,
.
[
]
(
)
|
/
^
&
+
-
*
=
%
!
~
$
<
>
?
@
{
}
$var
str
-> ` + "\t\r\n" + ` ->prop
'adsf\'adsf\''
"test"
b"\$var $4 {a"
( array )
( bool )
( boolean )
( real )
( double )
( float )
( int )
( integer )
( object )
( string )
( binary )
( unset )
`
expected := []int{
scanner.T_INLINE_HTML,
scanner.Rune2Class(';'),
scanner.T_ECHO,
scanner.Rune2Class(';'),
scanner.T_DNUMBER,
scanner.T_DNUMBER,
scanner.T_DNUMBER,
scanner.T_DNUMBER,
scanner.T_LNUMBER,
scanner.T_DNUMBER,
scanner.T_LNUMBER,
scanner.T_DNUMBER,
scanner.T_LNUMBER,
scanner.T_DNUMBER,
scanner.T_ABSTRACT,
scanner.T_ARRAY,
scanner.T_AS,
scanner.T_BREAK,
scanner.T_CALLABLE,
scanner.T_CASE,
scanner.T_CATCH,
scanner.T_CLASS,
scanner.T_CLONE,
scanner.T_CONST,
scanner.T_CONTINUE,
scanner.T_DECLARE,
scanner.T_DEFAULT,
scanner.T_DO,
scanner.T_ECHO,
scanner.T_ELSE,
scanner.T_ELSEIF,
scanner.T_EMPTY,
scanner.T_ENDDECLARE,
scanner.T_ENDFOR,
scanner.T_ENDFOREACH,
scanner.T_ENDIF,
scanner.T_ENDSWITCH,
scanner.T_ENDWHILE,
scanner.T_EVAL,
scanner.T_EXIT,
scanner.T_EXTENDS,
scanner.T_FINAL,
scanner.T_FINALLY,
scanner.T_FOR,
scanner.T_FOREACH,
scanner.T_FUNCTION,
scanner.T_FUNCTION,
scanner.T_GLOBAL,
scanner.T_GOTO,
scanner.T_IF,
scanner.T_ISSET,
scanner.T_IMPLEMENTS,
scanner.T_INSTANCEOF,
scanner.T_INSTEADOF,
scanner.T_INTERFACE,
scanner.T_LIST,
scanner.T_NAMESPACE,
scanner.T_PRIVATE,
scanner.T_PUBLIC,
scanner.T_PRINT,
scanner.T_PROTECTED,
scanner.T_RETURN,
scanner.T_STATIC,
scanner.T_SWITCH,
scanner.T_THROW,
scanner.T_TRAIT,
scanner.T_TRY,
scanner.T_UNSET,
scanner.T_USE,
scanner.T_VAR,
scanner.T_WHILE,
scanner.T_YIELD_FROM,
scanner.T_YIELD,
scanner.T_INCLUDE,
scanner.T_INCLUDE_ONCE,
scanner.T_REQUIRE,
scanner.T_REQUIRE_ONCE,
scanner.T_CLASS_C,
scanner.T_DIR,
scanner.T_FILE,
scanner.T_FUNC_C,
scanner.T_LINE,
scanner.T_NS_C,
scanner.T_METHOD_C,
scanner.T_TRAIT_C,
scanner.T_HALT_COMPILER,
scanner.T_NEW,
scanner.T_LOGICAL_AND,
scanner.T_LOGICAL_OR,
scanner.T_LOGICAL_XOR,
scanner.T_NS_SEPARATOR,
scanner.T_ELLIPSIS,
scanner.T_PAAMAYIM_NEKUDOTAYIM,
scanner.T_BOOLEAN_AND,
scanner.T_BOOLEAN_OR,
scanner.T_AND_EQUAL,
scanner.T_OR_EQUAL,
scanner.T_CONCAT_EQUAL,
scanner.T_MUL_EQUAL,
scanner.T_POW_EQUAL,
scanner.T_DIV_EQUAL,
scanner.T_PLUS_EQUAL,
scanner.T_MINUS_EQUAL,
scanner.T_XOR_EQUAL,
scanner.T_MOD_EQUAL,
scanner.T_DEC,
scanner.T_INC,
scanner.T_DOUBLE_ARROW,
scanner.T_SPACESHIP,
scanner.T_IS_NOT_EQUAL,
scanner.T_IS_NOT_EQUAL,
scanner.T_IS_NOT_IDENTICAL,
scanner.T_IS_EQUAL,
scanner.T_IS_IDENTICAL,
scanner.T_SL_EQUAL,
scanner.T_SR_EQUAL,
scanner.T_IS_GREATER_OR_EQUAL,
scanner.T_IS_SMALLER_OR_EQUAL,
scanner.T_POW,
scanner.T_SL,
scanner.T_SR,
scanner.T_COALESCE,
scanner.Rune2Class(';'),
scanner.Rune2Class(':'),
scanner.Rune2Class(','),
scanner.Rune2Class('.'),
scanner.Rune2Class('['),
scanner.Rune2Class(']'),
scanner.Rune2Class('('),
scanner.Rune2Class(')'),
scanner.Rune2Class('|'),
scanner.Rune2Class('/'),
scanner.Rune2Class('^'),
scanner.Rune2Class('&'),
scanner.Rune2Class('+'),
scanner.Rune2Class('-'),
scanner.Rune2Class('*'),
scanner.Rune2Class('='),
scanner.Rune2Class('%'),
scanner.Rune2Class('!'),
scanner.Rune2Class('~'),
scanner.Rune2Class('$'),
scanner.Rune2Class('<'),
scanner.Rune2Class('>'),
scanner.Rune2Class('?'),
scanner.Rune2Class('@'),
scanner.Rune2Class('{'),
scanner.Rune2Class('}'),
scanner.T_VARIABLE,
scanner.T_STRING,
scanner.T_OBJECT_OPERATOR,
scanner.T_OBJECT_OPERATOR,
scanner.T_STRING,
scanner.T_CONSTANT_ENCAPSED_STRING,
scanner.T_CONSTANT_ENCAPSED_STRING,
scanner.T_CONSTANT_ENCAPSED_STRING,
scanner.T_ARRAY_CAST,
scanner.T_BOOL_CAST,
scanner.T_BOOL_CAST,
scanner.T_DOUBLE_CAST,
scanner.T_DOUBLE_CAST,
scanner.T_DOUBLE_CAST,
scanner.T_INT_CAST,
scanner.T_INT_CAST,
scanner.T_OBJECT_CAST,
scanner.T_STRING_CAST,
scanner.T_STRING_CAST,
scanner.T_UNSET_CAST,
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestTeplateStringTokens(t *testing.T) {
src := `<?php
"foo $a"
"foo $a{$b}"
"test $var {$var} ${var_name} {s $ \$a "
"{$var}"
"$foo/"
"$foo/100;"
"$/$foo"
"$0$foo"
`
expected := []int{
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_DOLLAR_OPEN_CURLY_BRACES,
scanner.T_STRING_VARNAME,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('"'),
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('"'),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestBackquoteStringTokens(t *testing.T) {
src := `<?php
` + "`foo $a`" + `
` + "`foo $a{$b}`" + `
` + "`test $var {$var} ${var_name} {s $ \\$a `" + `
` + "`{$var}`" + `
` + "`$foo/`" + `
` + "`$foo/100`" + `
` + "`$/$foo`" + `
` + "`$0$foo`" + `
`
expected := []int{
scanner.Rune2Class('`'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_DOLLAR_OPEN_CURLY_BRACES,
scanner.T_STRING_VARNAME,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('`'),
scanner.Rune2Class('`'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('`'),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestHereDocTokens(t *testing.T) {
src := `<?php
<<<CAT
test
CAT;
<<<'CAT'
test
CAT;
<<<"CAT"
$var->prop
$var[1]
$var[0x1]
$var[0b1]
$var[var_name]
$var[$var]
{$var}
${var_name}
{s $ \$a
CAT;
`
expected := []int{
scanner.T_START_HEREDOC,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_OBJECT_OPERATOR,
scanner.T_STRING,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('['),
scanner.T_NUM_STRING,
scanner.Rune2Class(']'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('['),
scanner.T_NUM_STRING,
scanner.Rune2Class(']'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('['),
scanner.T_NUM_STRING,
scanner.Rune2Class(']'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('['),
scanner.T_STRING,
scanner.Rune2Class(']'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.Rune2Class('['),
scanner.T_VARIABLE,
scanner.Rune2Class(']'),
scanner.T_ENCAPSED_AND_WHITESPACE, scanner.T_CURLY_OPEN,
scanner.T_VARIABLE,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_DOLLAR_OPEN_CURLY_BRACES,
scanner.T_STRING_VARNAME,
scanner.Rune2Class('}'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestHereDocTokens2(t *testing.T) {
src := `<?php
<<<CAT
$foo/
CAT;
<<<CAT
$foo/100
CAT;
<<<CAT
$/$foo
CAT;
<<<CAT
$0$foo
CAT;
<<<CAT
$foo$bar\
CAT
`
expected := []int{
scanner.T_START_HEREDOC,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
scanner.Rune2Class(';'),
scanner.T_START_HEREDOC,
scanner.T_VARIABLE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_END_HEREDOC,
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestInlineHtmlNopTokens(t *testing.T) {
src := `<?php
$a; ?> test <?php
$a ?> test
`
expected := []int{
scanner.T_VARIABLE,
scanner.Rune2Class(';'),
scanner.T_INLINE_HTML,
scanner.T_VARIABLE,
scanner.Rune2Class(';'),
scanner.T_INLINE_HTML,
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
actual := []int{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actual = append(actual, token)
}
assertEqual(t, expected, actual)
}
func TestStringTokensAfterVariable(t *testing.T) {
src := `<?php "test \"$var\""`
expected := []int{
scanner.Rune2Class('"'),
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.T_VARIABLE,
scanner.T_ENCAPSED_AND_WHITESPACE,
scanner.Rune2Class('"'),
}
expectedTokens := []string{
"\"",
"test \\\"",
"$var",
"\\\"",
"\"",
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lv := &lval{}
actual := []int{}
actualTokens := []string{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actualTokens = append(actualTokens, lv.Tkn.Value)
actual = append(actual, token)
}
assertEqual(t, expected, actual)
assertEqual(t, expectedTokens, actualTokens)
}
func TestSlashAfterVariable(t *testing.T) {
src := `<?php $foo/3`
expected := []int{
scanner.T_VARIABLE,
scanner.Rune2Class('/'),
scanner.T_LNUMBER,
}
expectedTokens := []string{
"$foo",
"/",
"3",
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lv := &lval{}
actual := []int{}
actualTokens := []string{}
for {
token := lexer.Lex(lv)
if token < 0 {
break
}
actualTokens = append(actualTokens, lv.Tkn.Value)
actual = append(actual, token)
}
assertEqual(t, expected, actual)
assertEqual(t, expectedTokens, actualTokens)
}
func TestCommentEnd(t *testing.T) {
src := `<?php //test`
expected := []meta.Meta{
meta.NewWhiteSpace(" ", position.NewPosition(1, 1, 6, 6)),
meta.NewComment("//test", position.NewPosition(1, 1, 7, 12)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestCommentNewLine(t *testing.T) {
src := "<?php //test\n$a"
expected := []meta.Meta{
meta.NewWhiteSpace(" ", position.NewPosition(1, 1, 6, 6)),
meta.NewComment("//test\n", position.NewPosition(1, 1, 7, 13)),
meta.NewWhiteSpace("\n", position.NewPosition(1, 1, 13, 13)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestCommentNewLine1(t *testing.T) {
src := "<?php //test\r$a"
expected := []meta.Meta{
meta.NewWhiteSpace(" ", position.NewPosition(1, 1, 6, 6)),
meta.NewComment("//test\r", position.NewPosition(1, 1, 7, 13)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestCommentNewLine2(t *testing.T) {
src := "<?php #test\r\n$a"
expected := []meta.Meta{
meta.NewWhiteSpace(" ", position.NewPosition(1, 1, 6, 6)),
meta.NewComment("#test\r\n", position.NewPosition(1, 1, 7, 13)),
meta.NewWhiteSpace("\n", position.NewPosition(1, 1, 13, 13)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestCommentWithPhpEndTag(t *testing.T) {
src := `<?php
//test?> test`
expected := []meta.Meta{
meta.NewWhiteSpace("\n\t", position.NewPosition(1, 2, 6, 7)),
meta.NewComment("//test", position.NewPosition(2, 2, 8, 13)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestInlineComment(t *testing.T) {
src := `<?php
/*test*/`
expected := []meta.Meta{
meta.NewWhiteSpace("\n\t", position.NewPosition(1, 2, 6, 7)),
meta.NewComment("/*test*/", position.NewPosition(2, 2, 8, 15)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestEmptyInlineComment(t *testing.T) {
src := `<?php
/**/`
expected := []meta.Meta{
meta.NewWhiteSpace("\n\t", position.NewPosition(1, 2, 6, 7)),
meta.NewComment("/**/", position.NewPosition(2, 2, 8, 11)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
func TestEmptyInlineComment2(t *testing.T) {
src := `<?php
/***/`
expected := []meta.Meta{
meta.NewWhiteSpace("\n\t", position.NewPosition(1, 2, 6, 7)),
meta.NewComment("/***/", position.NewPosition(2, 2, 8, 12)),
}
lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
lexer.WithMeta = true
lv := &lval{}
lexer.Lex(lv)
actual := lexer.Meta
assertEqual(t, expected, actual)
}
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