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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TESTING_LIBFUZZER_RESEARCH_DOMATOLPM_DOMATOLPM_H_
#define TESTING_LIBFUZZER_RESEARCH_DOMATOLPM_DOMATOLPM_H_
#include <string>
#include <string_view>
#include <unordered_map>
#include <unordered_set>
#include "base/strings/string_number_conversions.h"
namespace domatolpm {
// SampleBuilder is used by the internal runtime DomatoLPM generated code to
// build the current sample.
// This is a very dumb interface, but allows for modularity and extensibility
// without changing the generated code.
class SampleBuilder {
public:
virtual ~SampleBuilder() = default;
virtual std::string_view view() = 0;
virtual void append(std::string_view) = 0;
};
// TextSampleBuilder builds a sample into a string.
class TextSampleBuilder : public SampleBuilder {
public:
TextSampleBuilder() = default;
~TextSampleBuilder() override = default;
std::string_view view() override;
void append(std::string_view v) override;
private:
std::string data_;
};
// Context is used by the internal runtime DomatoLPM generated code to interact
// with the current context. It is used to retrieve the current sample builder
// and interact with existing variables.
class Context {
public:
Context() = default;
SampleBuilder* GetBuilder();
bool HasVar(const std::string& var_type);
void SetVar(const std::string& var_type, const std::string& var_name);
std::string_view GetVar(const std::string& var_type, int32_t id);
std::string GetNewID();
private:
TextSampleBuilder builder_;
std::unordered_map<std::string, std::unordered_set<std::string>> vars_;
uint64_t id_ = 0;
};
} // namespace domatolpm
#endif // TESTING_LIBFUZZER_RESEARCH_DOMATOLPM_DOMATOLPM_H_
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