2021-07-30 17:53:27 +00:00
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package tester
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import (
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"testing"
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2023-12-09 21:36:19 +00:00
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"git.maride.cc/maride/php-parser/internal/php7"
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"git.maride.cc/maride/php-parser/internal/php8"
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"git.maride.cc/maride/php-parser/pkg/conf"
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"git.maride.cc/maride/php-parser/pkg/token"
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"git.maride.cc/maride/php-parser/pkg/version"
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2021-07-30 17:53:27 +00:00
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"gotest.tools/assert"
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)
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type LexerTokenStructTestSuite struct {
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t *testing.T
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Code string
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Expected []*token.Token
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Version version.Version
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php8: fixed a bug with `#` comments (#22)
Example from issue:
```php
<?php
#
# Comment
#
$a = 100;
```
The problem with the example from the issue is that `#` is immediately followed by a line break.
And since the rule in the lexer for such comments was changed, this case was handled incorrectly.
```
(('#' ^'[') | '//') any_line* when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
This rule has one problem, it checks two characters at once, first for the match `#`, and
then for the mismatch `[`, which leads to the fact that in the case of an empty comment, the first
matcher will capture `#`, and the second line break (`\n`), which will lead to the fact that `any_line`
matcher will not work and will not increase the line number.
The next rule added is specifically for this case.
```
'#' newline when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
2021-08-02 09:37:08 +00:00
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withPosition bool
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withFreeFloating bool
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2021-07-30 17:53:27 +00:00
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}
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func NewLexerTokenStructTestSuite(t *testing.T) *LexerTokenStructTestSuite {
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return &LexerTokenStructTestSuite{
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t: t,
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Version: version.Version{
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Major: 7,
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Minor: 4,
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},
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}
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}
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func (l *LexerTokenStructTestSuite) UsePHP8() {
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l.Version = version.Version{Major: 8, Minor: 0}
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}
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php8: fixed a bug with `#` comments (#22)
Example from issue:
```php
<?php
#
# Comment
#
$a = 100;
```
The problem with the example from the issue is that `#` is immediately followed by a line break.
And since the rule in the lexer for such comments was changed, this case was handled incorrectly.
```
(('#' ^'[') | '//') any_line* when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
This rule has one problem, it checks two characters at once, first for the match `#`, and
then for the mismatch `[`, which leads to the fact that in the case of an empty comment, the first
matcher will capture `#`, and the second line break (`\n`), which will lead to the fact that `any_line`
matcher will not work and will not increase the line number.
The next rule added is specifically for this case.
```
'#' newline when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
2021-08-02 09:37:08 +00:00
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func (l *LexerTokenStructTestSuite) WithPosition() {
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l.withPosition = true
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}
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func (l *LexerTokenStructTestSuite) WithFreeFloating() {
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l.withFreeFloating = true
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}
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2021-07-30 17:53:27 +00:00
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func (l *LexerTokenStructTestSuite) Run() {
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2023-03-26 00:54:00 +00:00
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l.t.Helper()
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2021-07-30 17:53:27 +00:00
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config := conf.Config{
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Version: &l.Version,
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}
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var lexer Lexer
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if l.Version.Less(&version.Version{Major: 8, Minor: 0}) {
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2023-03-25 14:02:34 +00:00
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lexer = php7.NewLexer([]byte(l.Code), config)
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2021-07-30 17:53:27 +00:00
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} else {
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lexer = php8.NewLexer([]byte(l.Code), config)
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}
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for _, expected := range l.Expected {
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actual := lexer.Lex()
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php8: fixed a bug with `#` comments (#22)
Example from issue:
```php
<?php
#
# Comment
#
$a = 100;
```
The problem with the example from the issue is that `#` is immediately followed by a line break.
And since the rule in the lexer for such comments was changed, this case was handled incorrectly.
```
(('#' ^'[') | '//') any_line* when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
This rule has one problem, it checks two characters at once, first for the match `#`, and
then for the mismatch `[`, which leads to the fact that in the case of an empty comment, the first
matcher will capture `#`, and the second line break (`\n`), which will lead to the fact that `any_line`
matcher will not work and will not increase the line number.
The next rule added is specifically for this case.
```
'#' newline when is_not_comment_end => {
lex.ungetStr("?>")
lex.addFreeFloatingToken(tkn, token.T_COMMENT, lex.ts, lex.te)
};
```
2021-08-02 09:37:08 +00:00
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if !l.withPosition {
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actual.Position = nil
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}
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if !l.withFreeFloating {
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actual.FreeFloating = nil
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}
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2021-07-30 17:53:27 +00:00
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assert.DeepEqual(l.t, expected, actual)
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}
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}
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