Index: sandbox/linux/bpf_dsl/bpf_dsl_impl.h |
diff --git a/sandbox/linux/bpf_dsl/bpf_dsl_impl.h b/sandbox/linux/bpf_dsl/bpf_dsl_impl.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1772c39d03c97e6c515a38979ce22ef651cb5dc0 |
--- /dev/null |
+++ b/sandbox/linux/bpf_dsl/bpf_dsl_impl.h |
@@ -0,0 +1,54 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef SANDBOX_LINUX_BPF_DSL_BPF_DSL_IMPL_H_ |
+#define SANDBOX_LINUX_BPF_DSL_BPF_DSL_IMPL_H_ |
+ |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "sandbox/sandbox_export.h" |
+ |
+namespace sandbox { |
+class ErrorCode; |
+class SandboxBPF; |
+ |
+namespace bpf_dsl { |
+namespace internal { |
+ |
+// Internal interface implemented by BoolExpr implementations. |
+class BoolExprImpl : public base::RefCounted<BoolExprImpl> { |
+ public: |
+ BoolExprImpl() {} |
+ virtual ErrorCode Compile(SandboxBPF* sb, |
+ ErrorCode true_ec, |
+ ErrorCode false_ec) const = 0; |
+ |
+ protected: |
+ virtual ~BoolExprImpl() {} |
+ |
+ private: |
+ friend class base::RefCounted<BoolExprImpl>; |
+ DISALLOW_COPY_AND_ASSIGN(BoolExprImpl); |
+}; |
+ |
+// Internal interface implemented by ResultExpr implementations. |
+class ResultExprImpl : public base::RefCounted<ResultExprImpl> { |
+ public: |
+ ResultExprImpl() {} |
+ virtual ErrorCode Compile(SandboxBPF* sb) const = 0; |
+ virtual bool HasUnsafeTraps() const; |
+ |
+ protected: |
+ virtual ~ResultExprImpl() {} |
+ |
+ private: |
+ friend class base::RefCounted<ResultExprImpl>; |
+ DISALLOW_COPY_AND_ASSIGN(ResultExprImpl); |
+}; |
+ |
+} // namespace internal |
+} // namespace bpf_dsl |
+} // namespace sandbox |
+ |
+#endif // SANDBOX_LINUX_BPF_DSL_BPF_DSL_IMPL_H_ |