Add m-esr52 at 52.6.0

1 files changed, 107 insertions, 0 deletions

diff --git a/js/src/jit/BaselineFrame-inl.h b/js/src/jit/BaselineFrame-inl.h
new file mode 100644
index 000000000..6ea234eec
--- /dev/null
+++ b/js/src/jit/BaselineFrame-inl.h
@@ -0,0 +1,107 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_BaselineFrame_inl_h
+#define jit_BaselineFrame_inl_h
+
+#include "jit/BaselineFrame.h"
+
+#include "jscntxt.h"
+#include "jscompartment.h"
+
+#include "vm/EnvironmentObject.h"
+
+#include "jsscriptinlines.h"
+
+#include "vm/EnvironmentObject-inl.h"
+
+namespace js {
+namespace jit {
+
+template <typename SpecificEnvironment>
+inline void
+BaselineFrame::pushOnEnvironmentChain(SpecificEnvironment& env)
+{
+    MOZ_ASSERT(*environmentChain() == env.enclosingEnvironment());
+    envChain_ = &env;
+    if (IsFrameInitialEnvironment(this, env))
+        flags_ |= HAS_INITIAL_ENV;
+}
+
+template <typename SpecificEnvironment>
+inline void
+BaselineFrame::popOffEnvironmentChain()
+{
+    MOZ_ASSERT(envChain_->is<SpecificEnvironment>());
+    envChain_ = &envChain_->as<SpecificEnvironment>().enclosingEnvironment();
+}
+
+inline void
+BaselineFrame::replaceInnermostEnvironment(EnvironmentObject& env)
+{
+    MOZ_ASSERT(env.enclosingEnvironment() ==
+               envChain_->as<EnvironmentObject>().enclosingEnvironment());
+    envChain_ = &env;
+}
+
+inline bool
+BaselineFrame::pushLexicalEnvironment(JSContext* cx, Handle<LexicalScope*> scope)
+{
+    LexicalEnvironmentObject* env = LexicalEnvironmentObject::create(cx, scope, this);
+    if (!env)
+        return false;
+    pushOnEnvironmentChain(*env);
+
+    return true;
+}
+
+inline bool
+BaselineFrame::freshenLexicalEnvironment(JSContext* cx)
+{
+    Rooted<LexicalEnvironmentObject*> current(cx, &envChain_->as<LexicalEnvironmentObject>());
+    LexicalEnvironmentObject* clone = LexicalEnvironmentObject::clone(cx, current);
+    if (!clone)
+        return false;
+
+    replaceInnermostEnvironment(*clone);
+    return true;
+}
+
+inline bool
+BaselineFrame::recreateLexicalEnvironment(JSContext* cx)
+{
+    Rooted<LexicalEnvironmentObject*> current(cx, &envChain_->as<LexicalEnvironmentObject>());
+    LexicalEnvironmentObject* clone = LexicalEnvironmentObject::recreate(cx, current);
+    if (!clone)
+        return false;
+
+    replaceInnermostEnvironment(*clone);
+    return true;
+}
+
+inline CallObject&
+BaselineFrame::callObj() const
+{
+    MOZ_ASSERT(hasInitialEnvironment());
+    MOZ_ASSERT(callee()->needsCallObject());
+
+    JSObject* obj = environmentChain();
+    while (!obj->is<CallObject>())
+        obj = obj->enclosingEnvironment();
+    return obj->as<CallObject>();
+}
+
+inline void
+BaselineFrame::unsetIsDebuggee()
+{
+    MOZ_ASSERT(!script()->isDebuggee());
+    flags_ &= ~DEBUGGEE;
+}
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_BaselineFrame_inl_h */