From: Dmitry Stogov <dmitry@php.net>
Date: Wed, 7 Nov 2007 09:13:50 +0000 (+0000)
Subject: T_IMPORT -> T_USE
X-Git-Tag: RELEASE_1_3_1~701
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b7d87bebc93e9937ed46f6762eed4a20c4e5b8d6;p=php

T_IMPORT -> T_USE
---

diff --git a/README.namespaces b/README.namespaces
index 80321f2ce4..310adcc884 100755
--- a/README.namespaces
+++ b/README.namespaces
@@ -39,8 +39,8 @@ Namespace or class name can be imported:
 
 <?php
 require 'Zend/Db/Connection.php';
-import Zend::DB;
-import Zend::DB::Connection as DbConnection;
+use Zend::DB;
+use Zend::DB::Connection as DbConnection;
 
 $x = new Zend::DB::Connection();
 $y = new DB::connection();
@@ -48,13 +48,13 @@ $z = new DbConnection();
 DB::connect();
 ?>
 
-import statement only defines name aliasing. It may create name alias for
-namespace or class. The simple form of statement "import A::B::C::D;" is
-equivalent to "import A::B::C::D as D;". Import statement can be used at any
+The use statement only defines name aliasing. It may create name alias for
+namespace or class. The simple form of statement "use A::B::C::D;" is
+equivalent to "use A::B::C::D as D;". The use statement can be used at any
 time in the global scope (not inside function/class) and takes effect from 
 the point of definition down to the end of file. It is recommended however to
-place imports at the beginning of the file. Import statements have effect
-only on the file where they appear.
+place the use statements at the beginning of the file. The use statements have
+effect only on the file where they appear.
 
 The special "empty" namespace (:: prefix) is useful as explicit global
 namespace qualification. All class and function names started from ::
@@ -83,10 +83,10 @@ In global namespace __NAMESPACE__ constant has the value of empty string.
 Names inside namespace are resolved according to the following rules:
 
 1) all qualified names are translated during compilation according to
-current import rules. So if we have "import A::B::C" and then "C::D::e()"
+current import rules. So if we have "use A::B::C" and then "C::D::e()"
 it is translated to "A::B::C::D::e()".
 2) unqualified class names translated during compilation according to
-current import rules. So if we have "import A::B::C" and then "new C()" it
+current import rules. So if we have "use A::B::C" and then "new C()" it
 is translated to "new A::B::C()".
 3) inside namespace, calls to unqualified functions that are defined in 
 current namespace (and are known at the time the call is parsed) are 
diff --git a/Zend/tests/bug42859.phpt b/Zend/tests/bug42859.phpt
index 6464f9b4c7..475c583465 100755
--- a/Zend/tests/bug42859.phpt
+++ b/Zend/tests/bug42859.phpt
@@ -5,8 +5,8 @@ Bug #42859 import always conflicts with internal classes
 namespace Foo;
 class Ex {}
 
-import Blah::Exception;
-import Blah::Ex;
+use Blah::Exception;
+use Blah::Ex;
 ?>
 --EXPECTF--
 Fatal error: Import name 'Ex' conflicts with defined class in %sbug42859.php on line 6
\ No newline at end of file
diff --git a/Zend/tests/ns_002.phpt b/Zend/tests/ns_002.phpt
index 4b17012a94..7faca97cd3 100755
--- a/Zend/tests/ns_002.phpt
+++ b/Zend/tests/ns_002.phpt
@@ -10,9 +10,9 @@ class Foo {
   }
 }
 
-import test::ns1::Foo as Bar;
-import test::ns1 as ns2;
-import test::ns1;
+use test::ns1::Foo as Bar;
+use test::ns1 as ns2;
+use test::ns1;
 
 Foo::bar();
 test::ns1::Foo::bar();
diff --git a/Zend/tests/ns_010.phpt b/Zend/tests/ns_010.phpt
index 7be99e49bf..95172e0ec3 100755
--- a/Zend/tests/ns_010.phpt
+++ b/Zend/tests/ns_010.phpt
@@ -3,7 +3,7 @@
 --FILE--
 <?php
 namespace X;
-import X as Y;
+use X as Y;
 class Foo {	
 	const C = "const ok\n";
 	static $var = "var ok\n";
diff --git a/Zend/tests/ns_012.phpt b/Zend/tests/ns_012.phpt
index aa50661e79..ce16db1ab9 100755
--- a/Zend/tests/ns_012.phpt
+++ b/Zend/tests/ns_012.phpt
@@ -8,8 +8,8 @@ function foo() {
   echo __FUNCTION__,"\n";
 }
 
-import test::ns1 as ns2;
-import test as ns3;
+use test::ns1 as ns2;
+use test as ns3;
 
 foo();
 bar();
diff --git a/Zend/tests/ns_020.phpt b/Zend/tests/ns_020.phpt
index 32325e09d2..9d2e8a7ccb 100755
--- a/Zend/tests/ns_020.phpt
+++ b/Zend/tests/ns_020.phpt
@@ -3,7 +3,7 @@
 --FILE--
 <?php
 namespace X;
-import X as Y;
+use X as Y;
 function foo() {
 	echo __FUNCTION__,"\n";
 }
diff --git a/Zend/tests/ns_022.phpt b/Zend/tests/ns_022.phpt
index f46a856d01..6944ca403f 100755
--- a/Zend/tests/ns_022.phpt
+++ b/Zend/tests/ns_022.phpt
@@ -4,7 +4,7 @@
 <?php
 namespace a::b::c;
 
-import a::b::c as test;
+use a::b::c as test;
 
 require "ns_022.inc";
 
diff --git a/Zend/tests/ns_029.phpt b/Zend/tests/ns_029.phpt
index a76f4fa9cd..1b82b052e5 100755
--- a/Zend/tests/ns_029.phpt
+++ b/Zend/tests/ns_029.phpt
@@ -2,7 +2,7 @@
 029: Name ambiguity (class name & import name)
 --FILE--
 <?php
-import A::B as Foo;
+use A::B as Foo;
 
 class Foo {
 }
diff --git a/Zend/tests/ns_030.phpt b/Zend/tests/ns_030.phpt
index c87b293bb6..83a86b1fd1 100755
--- a/Zend/tests/ns_030.phpt
+++ b/Zend/tests/ns_030.phpt
@@ -5,7 +5,7 @@
 class Foo {
 }
 
-import A::B as Foo;
+use A::B as Foo;
 
 new Foo();
 --EXPECTF--
diff --git a/Zend/tests/ns_033.phpt b/Zend/tests/ns_033.phpt
index bd0bebd4bd..dc431d82b9 100755
--- a/Zend/tests/ns_033.phpt
+++ b/Zend/tests/ns_033.phpt
@@ -2,7 +2,7 @@
 033: Import statement with non-compound name
 --FILE--
 <?php
-import A;
+use A;
 --EXPECTF--
-Warning: The import statement with non-compound name 'A' has no effect in %sns_033.php on line 2
+Warning: The use statement with non-compound name 'A' has no effect in %sns_033.php on line 2
 
diff --git a/Zend/tests/ns_034.phpt b/Zend/tests/ns_034.phpt
index a0424a9997..f8669cfb74 100755
--- a/Zend/tests/ns_034.phpt
+++ b/Zend/tests/ns_034.phpt
@@ -3,7 +3,7 @@
 --FILE--
 <?php
 namespace A;
-import A as B;
+use A as B;
 class Foo {
 	const C = "ok\n";
 }
diff --git a/Zend/tests/ns_036.phpt b/Zend/tests/ns_036.phpt
index 9825c8fc1f..6fee2cb006 100755
--- a/Zend/tests/ns_036.phpt
+++ b/Zend/tests/ns_036.phpt
@@ -5,7 +5,7 @@
 --FILE--
 <?php
 namespace A;
-import A as B;
+use A as B;
 class ArrayObject {
 	const STD_PROP_LIST = 2;
 }
diff --git a/Zend/tests/ns_037.phpt b/Zend/tests/ns_037.phpt
index 4e6c248546..ed36e0bb57 100755
--- a/Zend/tests/ns_037.phpt
+++ b/Zend/tests/ns_037.phpt
@@ -3,7 +3,7 @@
 --FILE--
 <?php
 namespace X;
-import X as Y;
+use X as Y;
 class X {
 	const C = "const ok\n";
 	static $var = "var ok\n";
diff --git a/Zend/tests/ns_040.phpt b/Zend/tests/ns_040.phpt
index 11799f9a73..f017aff0bd 100644
--- a/Zend/tests/ns_040.phpt
+++ b/Zend/tests/ns_040.phpt
@@ -3,7 +3,7 @@
 --FILE--
 <?php
 namespace X;
-import X as Y;
+use X as Y;
 const A = "ok\n";
 const B = A;
 const C = array(A);
diff --git a/Zend/tests/ns_042.phpt b/Zend/tests/ns_042.phpt
index bda697bff9..eecd5f9256 100644
--- a/Zend/tests/ns_042.phpt
+++ b/Zend/tests/ns_042.phpt
@@ -6,8 +6,8 @@ namespace test::ns1;
 
 const FOO = "ok\n";
 
-import test::ns1 as ns2;
-import test as ns3;
+use test::ns1 as ns2;
+use test as ns3;
 
 echo FOO;
 echo test::ns1::FOO;
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 64520cdba2..e4a38f3046 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -4600,7 +4600,7 @@ void zend_do_namespace(znode *name TSRMLS_DC) /* {{{ */
 }
 /* }}} */
 
-void zend_do_import(znode *ns_name, znode *new_name TSRMLS_DC) /* {{{ */
+void zend_do_use(znode *ns_name, znode *new_name TSRMLS_DC) /* {{{ */
 {
 	char *lcname;
 	zval *name, *ns, tmp;
@@ -4618,7 +4618,7 @@ void zend_do_import(znode *ns_name, znode *new_name TSRMLS_DC) /* {{{ */
 	} else {
 		char *p;
 
-		/* The form "import A::B" is eqivalent to "import A::B as B".
+		/* The form "use A::B" is eqivalent to "use A::B as B".
 		   So we extract the last part of compound name ti use as a new_name */
 		name = &tmp;
 		p = zend_memrchr(Z_STRVAL_P(ns), ':', Z_STRLEN_P(ns));
@@ -4660,7 +4660,7 @@ void zend_do_import(znode *ns_name, znode *new_name TSRMLS_DC) /* {{{ */
 		zend_error(E_COMPILE_ERROR, "Cannot reuse import name");
 	}
 	if (warn) {
-		zend_error(E_WARNING, "The import statement with non-compound name '%s' has no effect", Z_STRVAL_P(name));
+		zend_error(E_WARNING, "The use statement with non-compound name '%s' has no effect", Z_STRVAL_P(name));
 	}
 	efree(lcname);
 	zval_dtor(name);
diff --git a/Zend/zend_compile.h b/Zend/zend_compile.h
index 95109b0a2e..022ac85aa7 100644
--- a/Zend/zend_compile.h
+++ b/Zend/zend_compile.h
@@ -506,7 +506,7 @@ void zend_do_abstract_method(znode *function_name, znode *modifiers, znode *body
 void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC);
 void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC);
 void zend_do_namespace(znode *name TSRMLS_DC);
-void zend_do_import(znode *name, znode *new_name TSRMLS_DC);
+void zend_do_use(znode *name, znode *new_name TSRMLS_DC);
 void zend_do_end_compilation(TSRMLS_D);
 
 ZEND_API void function_add_ref(zend_function *function);
diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index 7bab0f323d..d7a2d82e19 100644
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -144,7 +144,6 @@
 %token T_CURLY_OPEN
 %token T_PAAMAYIM_NEKUDOTAYIM
 %token T_NAMESPACE
-%token T_IMPORT
 %token T_NS_C
 
 %% /* Rules */
@@ -169,8 +168,8 @@ top_statement:
 	|	class_declaration_statement		{ zend_do_early_binding(TSRMLS_C); }
 	|	T_HALT_COMPILER '(' ')' ';'		{ zend_do_halt_compiler_register(TSRMLS_C); YYACCEPT; }
 	|	T_NAMESPACE namespace_name ';'	{ zend_do_namespace(&$2 TSRMLS_CC); }
-	|	T_IMPORT namespace_name ';'		{ zend_do_import(&$2, NULL TSRMLS_CC); }
-	|	T_IMPORT namespace_name T_AS T_STRING ';'	{ zend_do_import(&$2, &$4 TSRMLS_CC); }
+	|	T_USE namespace_name ';'		{ zend_do_use(&$2, NULL TSRMLS_CC); }
+	|	T_USE namespace_name T_AS T_STRING ';'	{ zend_do_use(&$2, &$4 TSRMLS_CC); }
 	|	constant_declaration ';'
 ;
 
@@ -225,7 +224,6 @@ unticked_statement:
 	|	T_ECHO echo_expr_list ';'
 	|	T_INLINE_HTML			{ zend_do_echo(&$1 TSRMLS_CC); }
 	|	expr ';'				{ zend_do_free(&$1 TSRMLS_CC); }
-	|	T_USE use_filename ';'		{ zend_error(E_COMPILE_ERROR,"use: Not yet supported. Please use include_once() or require_once()");  zval_dtor(&$2.u.constant); }
 	|	T_UNSET '(' unset_variables ')' ';'
 	|	T_FOREACH '(' variable T_AS
 		{ zend_do_foreach_begin(&$1, &$2, &$3, &$4, 1 TSRMLS_CC); }
@@ -272,12 +270,6 @@ unset_variable:
 		variable	{ zend_do_end_variable_parse(BP_VAR_UNSET, 0 TSRMLS_CC); zend_do_unset(&$1 TSRMLS_CC); }
 ;
 
-use_filename:
-		T_CONSTANT_ENCAPSED_STRING			{ $$ = $1; }
-	|	'(' T_CONSTANT_ENCAPSED_STRING ')'	{ $$ = $2; }
-;
-
-
 function_declaration_statement:
 		unticked_function_declaration_statement	{ zend_do_ticks(TSRMLS_C); }
 ;
diff --git a/Zend/zend_language_scanner.l b/Zend/zend_language_scanner.l
index 6f43145819..4f58c84315 100644
--- a/Zend/zend_language_scanner.l
+++ b/Zend/zend_language_scanner.l
@@ -1202,10 +1202,6 @@ HEREDOC_CHARS       ("{"*([^$\n\r\\{]|("\\"[^\n\r]))|{HEREDOC_LITERAL_DOLLAR}|({
 	return T_NAMESPACE;
 }
 
-<ST_IN_SCRIPTING>"import" {
-	return T_IMPORT;
-}
-
 <ST_IN_SCRIPTING>"use" {
 	return T_USE;
 }