////  ScriptProgram.h//  libraries/script-engine/src////  Created by Heather Anderson on 5/2/21.//  Copyright 2021 Vircadia contributors.//  Copyright 2023 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  SPDX-License-Identifier: Apache-2.0// /// @addtogroup ScriptEngine/// @{ #ifndef hifi_ScriptProgram_h#define hifi_ScriptProgram_h #include <memory> class ScriptProgram;class ScriptSyntaxCheckResult;using ScriptProgramPointer = std::shared_ptr<ScriptProgram>;using ScriptSyntaxCheckResultPointer = std::shared_ptr<ScriptSyntaxCheckResult>; /** * @brief Engine-independent representation of a script program * * This is an analog of QScriptProgram from Qt5. * * It's used to pre-compile scripts, and to check their syntax. * */class ScriptProgram {public:    virtual ScriptSyntaxCheckResultPointer checkSyntax() = 0; //It cannot be const anymore because V8 doesn't have separate syntax checking function     /**     * @brief Returns the filename associated with this program.     *     * @return QString     */    virtual QString fileName() const = 0;     /**     * @brief Returns the source code of this program.     *     * @return QString     */    virtual QString sourceCode() const = 0; protected:    ~ScriptProgram() {}  // prevent explicit deletion of base class};  /** * @brief Engine-independent representation of a script syntax check * * This is an analog of QScriptSyntaxCheckResult from Qt5. * * */class ScriptSyntaxCheckResult {public:     /**     * @brief State of the syntax check     *     */    enum State    {        Error = 0, /** The program contains a syntax error. */        Intermediate = 1, /** The program is incomplete. */        Valid = 2 /** The program is a syntactically correct program. */    }; public:     /**     * @brief Returns the error column number of this ScriptSyntaxCheckResult, or -1 if there is no error.     *     * @return int     */    virtual int errorColumnNumber() const = 0;     /**     * @brief Returns the error line number of this ScriptSyntaxCheckResult, or -1 if there is no error.     *     * @return int     */    virtual int errorLineNumber() const = 0;     /**     * @brief Returns the error message of this ScriptSyntaxCheckResult, or an empty string if there is no error.     *     * @return QString     */    virtual QString errorMessage() const = 0;     /**     * @brief     *     * @return QString     */    virtual QString errorBacktrace() const = 0;     /**     * @brief Returns the state of this ScriptSyntaxCheckResult.     *     * @return State     */    virtual State state() const = 0; protected:    ~ScriptSyntaxCheckResult() {}  // prevent explicit deletion of base class}; #endif // hifi_ScriptProgram_h /// @}