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Don't allow leading \ in group use decl list

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We recently added support for "use \Foo\{Bar}". This commit drops
support for the reverse "use Foo\{\Bar}". Those two got mixed up
in the initial implementation.
This commit is contained in:
Nikita Popov 2015-08-20 11:47:43 +02:00
parent 4d7a8f119e
commit 186b0f3770
3 changed files with 31 additions and 13 deletions
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3
Zend/tests/ns_094.phpt
View File

@ -12,5 +12,4 @@ use const Foo\Bar\{
};
--EXPECTF--
Parse error: syntax error, unexpected 'const' (T_CONST), expecting identifier (T_STRING) or \\ (T_NS_SEPARATOR) in %s on line 7
Parse error: syntax error, unexpected 'const' (T_CONST), expecting identifier (T_STRING) in %s on line 7

10
Zend/tests/ns_096.phpt Normal file
View File

@ -0,0 +1,10 @@
--TEST--
Group use declaration list should not contain leading separator
--FILE--
<?php
use Foo\Bar\{\Baz};
?>
--EXPECTF--
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) or function (T_FUNCTION) or const (T_CONST) in /home/nikic/php-src/Zend/tests/ns_096.php on line 3

31
Zend/zend_language_parser.y
View File

@ -229,7 +229,8 @@ static YYSIZE_T zend_yytnamerr(char*, const char*);
%type <ast> class_declaration_statement trait_declaration_statement
%type <ast> interface_declaration_statement interface_extends_list
%type <ast> group_use_declaration inline_use_declarations inline_use_declaration
%type <ast> mixed_group_use_declaration use_declaration const_decl inner_statement
%type <ast> mixed_group_use_declaration use_declaration unprefixed_use_declaration
%type <ast> unprefixed_use_declarations const_decl inner_statement
%type <ast> expr optional_expr while_statement for_statement foreach_variable
%type <ast> foreach_statement declare_statement finally_statement unset_variable variable
%type <ast> extends_from parameter optional_type argument expr_without_variable global_var
@ -335,9 +336,9 @@ use_type:
;
group_use_declaration:
namespace_name T_NS_SEPARATOR '{' use_declarations '}'
namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $1, $4); }
| T_NS_SEPARATOR namespace_name T_NS_SEPARATOR '{' use_declarations '}'
| T_NS_SEPARATOR namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $2, $5); }
;
@ -355,9 +356,11 @@ inline_use_declarations:
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
inline_use_declaration:
use_declaration { $$ = $1; $$->attr = T_CLASS; }
| use_type use_declaration { $$ = $2; $$->attr = $1; }
unprefixed_use_declarations:
unprefixed_use_declarations ',' unprefixed_use_declaration
{ $$ = zend_ast_list_add($1, $3); }
| unprefixed_use_declaration
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
use_declarations:
@ -367,15 +370,21 @@ use_declarations:
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
use_declaration:
inline_use_declaration:
unprefixed_use_declaration { $$ = $1; $$->attr = T_CLASS; }
| use_type unprefixed_use_declaration { $$ = $2; $$->attr = $1; }
;
unprefixed_use_declaration:
namespace_name
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $1, NULL); }
| namespace_name T_AS T_STRING
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $1, $3); }
| T_NS_SEPARATOR namespace_name
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $2, NULL); }
| T_NS_SEPARATOR namespace_name T_AS T_STRING
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $2, $4); }
;
use_declaration:
unprefixed_use_declaration { $$ = $1; }
| T_NS_SEPARATOR unprefixed_use_declaration { $$ = $2; }
;
const_list: