/*

 * Copyright 2021 Google LLC.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef SKSL_ERROR_REPORTER

#define SKSL_ERROR_REPORTER

#include "include/core/SkTypes.h"

#include <string_view>

namespace SkSL {

class Position;

/**

 * Class which is notified in the event of an error.

 */

class ErrorReporter {

public:

    ErrorReporter() {}

    virtual ~ErrorReporter() {}

    void error(Position position, std::string_view msg);

    std::string_view source() const { return fSource; }

    void setSource(std::string_view source) { fSource = source; }

    int errorCount() const {

        return fErrorCount;

    }

    void resetErrorCount() {

        fErrorCount = 0;

    }

protected:

    /**

     * Called when an error is reported.

     */

    virtual void handleError(std::string_view msg, Position position) = 0;

private:

    Position position(int offset) const;

    std::string_view fSource;

    int fErrorCount = 0;

};

/**

 * Error reporter for tests that need an SkSL context; aborts immediately if an error is reported.

 */

class TestingOnly_AbortErrorReporter : public ErrorReporter {

public:

    void handleError(std::string_view msg, Position pos) override;

};

} // namespace SkSL

#endif