Revision: 8756
Author: [email protected]
Date: Thu Jul 28 05:17:36 2011
Log: Fix calculation of 'scope_calls_eval' when 'eval' is within a
nested catch.
BUG=
TEST=mjsunit/scope-calls-eval.js
Review URL: http://codereview.chromium.org/7464030
http://code.google.com/p/v8/source/detail?r=8756
Added:
/branches/bleeding_edge/test/mjsunit/scope-calls-eval.js
Modified:
/branches/bleeding_edge/src/parser.cc
/branches/bleeding_edge/src/scopes.h
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/scope-calls-eval.js Thu Jul 28
05:17:36 2011
@@ -0,0 +1,65 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Tests if the information about eval calls in a function is
+// propagated correctly through catch and with blocks.
+
+
+function f1() {
+ var x = 5;
+ function g() {
+ try {
+ throw '';
+ } catch (e) {
+ eval('var x = 3;');
+ }
+ try {
+ throw '';
+ } catch (e) {
+ return x;
+ }
+ }
+ return g();
+}
+
+
+function f2() {
+ var x = 5;
+ function g() {
+ with ({e:42}) {
+ eval('var x = 3;');
+ }
+ with ({e:42}) {
+ return x;
+ }
+ }
+ return g();
+}
+
+
+assertEquals(3, f1());
+assertEquals(3, f2());
=======================================
--- /branches/bleeding_edge/src/parser.cc Wed Jul 20 01:09:58 2011
+++ /branches/bleeding_edge/src/parser.cc Thu Jul 28 05:17:36 2011
@@ -2755,7 +2755,7 @@
Handle<String> name = callee->name();
Variable* var = top_scope_->Lookup(name);
if (var == NULL) {
- top_scope_->RecordEvalCall();
+ top_scope_->DeclarationScope()->RecordEvalCall();
}
}
result = NewCall(result, args, pos);
=======================================
--- /branches/bleeding_edge/src/scopes.h Mon Jul 18 10:32:41 2011
+++ /branches/bleeding_edge/src/scopes.h Thu Jul 28 05:17:36 2011
@@ -357,11 +357,17 @@
// Illegal redeclaration.
Expression* illegal_redecl_;
- // Scope-specific information.
- bool scope_inside_with_; // this scope is inside a 'with' of some outer
scope
- bool scope_contains_with_; // this scope contains a 'with' statement
- bool scope_calls_eval_; // this scope contains an 'eval' call
- bool strict_mode_; // this scope is a strict mode scope
+ // Scope-specific information computed during parsing.
+ //
+ // This scope is inside a 'with' of some outer scope.
+ bool scope_inside_with_;
+ // This scope contains a 'with' statement.
+ bool scope_contains_with_;
+ // This scope or a nested catch scope or with scope contain an 'eval'
call. At
+ // the 'eval' call site this scope is the declaration scope.
+ bool scope_calls_eval_;
+ // This scope is a strict mode scope.
+ bool strict_mode_;
// Computed via PropagateScopeInfo.
bool outer_scope_calls_eval_;
--
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