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Unified Diff: sandbox/linux/bpf_dsl/bpf_dsl_impl.h

Issue 635223006: bpf_dsl: Move {Bool,Result}ExprImpl definition into separate header (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 2 months ago
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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_
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