Recover from foreach without as

CHANGELOG.md

@@ -1,7 +1,10 @@
 Version 4.0.2-dev
 -----------------
 
-Nothing yet.
+### Added
+
+* Improved error recovery inside classes.
+* Support error recovery for `foreach` without `as`.
 
 Version 4.0.1 (2018-03-25)
 --------------------------

grammar/php7.y

@@ -240,6 +240,8 @@ non_empty_statement:
           { $$ = Stmt\Foreach_[$3, $5[0], ['keyVar' => null, 'byRef' => $5[1], 'stmts' => $7]]; }
     | T_FOREACH '(' expr T_AS variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement
           { $$ = Stmt\Foreach_[$3, $7[0], ['keyVar' => $5, 'byRef' => $7[1], 'stmts' => $9]]; }
+    | T_FOREACH '(' expr error ')' foreach_statement
+          { $$ = Stmt\Foreach_[$3, new Expr\Error(stackAttributes(#4)), ['stmts' => $6]]; }
     | T_DECLARE '(' declare_list ')' declare_statement      { $$ = Stmt\Declare_[$3, $5]; }
     | T_TRY '{' inner_statement_list '}' catches optional_finally
           { $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); }

test/code/parser/errorHandling/recovery.test

@@ -987,3 +987,46 @@ array(
         )
     )
 )
+-----
+<?php
+
+foreach ($foo) { $bar; }
+foreach ($foo as ) { $bar; }
+-----
+!!php7
+Syntax error, unexpected ')' from 3:14 to 3:14
+Syntax error, unexpected ')' from 4:18 to 4:18
+array(
+    0: Stmt_Foreach(
+        expr: Expr_Variable(
+            name: foo
+        )
+        keyVar: null
+        byRef: false
+        valueVar: Expr_Error(
+        )
+        stmts: array(
+            0: Stmt_Expression(
+                expr: Expr_Variable(
+                    name: bar
+                )
+            )
+        )
+    )
+    1: Stmt_Foreach(
+        expr: Expr_Variable(
+            name: foo
+        )
+        keyVar: null
+        byRef: false
+        valueVar: Expr_Error(
+        )
+        stmts: array(
+            0: Stmt_Expression(
+                expr: Expr_Variable(
+                    name: bar
+                )
+            )
+        )
+    )
+)