internal.h

来自「konqueror3 embedded版本, KDE环境下的当家浏览器的嵌入式版」· C头文件 代码 · 共 509 行 · 第 1/2 页

    static void unlock();

    void mark();

    ExecState *globalExec() { return globExec; }
    bool checkSyntax(const UString &code,int *errLine, UString *errMsg);
    bool checkSyntax(const UString &code);
    Completion evaluate(const UString &code, const Value &thisV);
    Debugger *debugger() const { return dbg; }
    void setDebugger(Debugger *d);

    Object builtinObject() const { return b_Object; }
    Object builtinFunction() const { return b_Function; }
    Object builtinArray() const { return b_Array; }
    Object builtinBoolean() const { return b_Boolean; }
    Object builtinString() const { return b_String; }
    Object builtinNumber() const { return b_Number; }
    Object builtinDate() const { return b_Date; }
    Object builtinRegExp() const { return b_RegExp; }
    Object builtinError() const { return b_Error; }

    Object builtinObjectPrototype() const { return b_ObjectPrototype; }
    Object builtinFunctionPrototype() const { return b_FunctionPrototype; }
    Object builtinArrayPrototype() const { return b_ArrayPrototype; }
    Object builtinBooleanPrototype() const { return b_BooleanPrototype; }
    Object builtinStringPrototype() const { return b_StringPrototype; }
    Object builtinNumberPrototype() const { return b_NumberPrototype; }
    Object builtinDatePrototype() const { return b_DatePrototype; }
    Object builtinRegExpPrototype() const { return b_RegExpPrototype; }
    Object builtinErrorPrototype() const { return b_ErrorPrototype; }

    Object builtinEvalError() const { return b_evalError; }
    Object builtinRangeError() const { return b_rangeError; }
    Object builtinReferenceError() const { return b_referenceError; }
    Object builtinSyntaxError() const { return b_syntaxError; }
    Object builtinTypeError() const { return b_typeError; }
    Object builtinURIError() const { return b_uriError; }

    Object builtinEvalErrorPrototype() const { return b_evalErrorPrototype; }
    Object builtinRangeErrorPrototype() const { return b_rangeErrorPrototype; }
    Object builtinReferenceErrorPrototype() const { return b_referenceErrorPrototype; }
    Object builtinSyntaxErrorPrototype() const { return b_syntaxErrorPrototype; }
    Object builtinTypeErrorPrototype() const { return b_typeErrorPrototype; }
    Object builtinURIErrorPrototype() const { return b_uriErrorPrototype; }

    void setCompatMode(Interpreter::CompatMode mode) { m_compatMode = mode; }
    Interpreter::CompatMode compatMode() const { return m_compatMode; }

    // Chained list of interpreters (ring)
    static InterpreterImp* firstInterpreter() { return s_hook; }
    InterpreterImp *nextInterpreter() const { return next; }
    InterpreterImp *prevInterpreter() const { return prev; }

    void addSourceCode(SourceCode *code);
    void removeSourceCode(SourceCode *code);

    void setContext(ContextImp *c) { _context = c; }

  private:
    void clear();
    Interpreter *m_interpreter;
    Object global;
    Debugger *dbg;

    // Built-in properties of the object prototype. These are accessible
    // from here even if they are replaced by js code (e.g. assigning to
    // Array.prototype)

    Object b_Object;
    Object b_Function;
    Object b_Array;
    Object b_Boolean;
    Object b_String;
    Object b_Number;
    Object b_Date;
    Object b_RegExp;
    Object b_Error;

    Object b_ObjectPrototype;
    Object b_FunctionPrototype;
    Object b_ArrayPrototype;
    Object b_BooleanPrototype;
    Object b_StringPrototype;
    Object b_NumberPrototype;
    Object b_DatePrototype;
    Object b_RegExpPrototype;
    Object b_ErrorPrototype;

    Object b_evalError;
    Object b_rangeError;
    Object b_referenceError;
    Object b_syntaxError;
    Object b_typeError;
    Object b_uriError;

    Object b_evalErrorPrototype;
    Object b_rangeErrorPrototype;
    Object b_referenceErrorPrototype;
    Object b_syntaxErrorPrototype;
    Object b_typeErrorPrototype;
    Object b_uriErrorPrototype;

    ExecState *globExec;
    Interpreter::CompatMode m_compatMode;

    // Chained list of interpreters (ring) - for collector
    static InterpreterImp* s_hook;
    InterpreterImp *next, *prev;

    ContextImp *_context;

    int recursion;
    SourceCode *sources;
  };

  class AttachedInterpreter;
  class DebuggerImp {
  public:

    DebuggerImp() {
      interps = 0;
      isAborted = false;
    }

    void abort() { isAborted = true; }
    bool aborted() const { return isAborted; }

    AttachedInterpreter *interps;
    bool isAborted;
  };

  /**
   * @short Implementation class for functions implemented in JS.
   */
  class FunctionImp : public InternalFunctionImp {
    friend class ActivationImp;
  public:
    FunctionImp(ExecState *exec, const Identifier &n = Identifier::null());
    virtual ~FunctionImp();

    virtual Value get(ExecState *exec, const Identifier &propertyName) const;
    virtual void put(ExecState *exec, const Identifier &propertyName, const Value &value, int attr = None);
    virtual bool hasProperty(ExecState *exec, const Identifier &propertyName) const;
    virtual bool deleteProperty(ExecState *exec, const Identifier &propertyName);

    virtual bool implementsCall() const;
    virtual Value call(ExecState *exec, Object &thisObj, const List &args);

    void addParameter(const Identifier &n);
    Identifier parameterProperty(int index) const;
    // parameters in string representation, e.g. (a, b, c)
    UString parameterString() const;
    virtual CodeType codeType() const = 0;

    virtual Completion execute(ExecState *exec) = 0;
    int firstLine() const { return line0; }
    int lastLine() const { return line1; }
    int sourceId() const { return sid; }

    virtual const ClassInfo *classInfo() const { return &info; }
    static const ClassInfo info;
  protected:
    Parameter *param;
    int line0;
    int line1;
    int sid;

  private:
    void processParameters(ExecState *exec, const List &);
    virtual void processVarDecls(ExecState *exec);
  };

  class DeclaredFunctionImp : public FunctionImp {
  public:
    DeclaredFunctionImp(ExecState *exec, const Identifier &n,
			FunctionBodyNode *b, const ScopeChain &sc);
    ~DeclaredFunctionImp();

    bool implementsConstruct() const;
    Object construct(ExecState *exec, const List &args);

    virtual Completion execute(ExecState *exec);
    CodeType codeType() const { return FunctionCode; }
    FunctionBodyNode *body;

    virtual const ClassInfo *classInfo() const { return &info; }
    KJS_EXPORT static const ClassInfo info;
  private:
    virtual void processVarDecls(ExecState *exec);
  };

  class ActivationImp;

  class ArgumentsImp : public ObjectImp {
  public:
    ArgumentsImp(ExecState *exec, FunctionImp *func, const List &args, ActivationImp *act);

    virtual void mark();

    virtual Value get(ExecState *exec, const Identifier &propertyName) const;
    virtual void put(ExecState *exec, const Identifier &propertyName,
		     const Value &value, int attr = None);

    virtual const ClassInfo *classInfo() const { return &info; }
    static const ClassInfo info;

  private:
    ActivationImp *activation;
  };

  class ActivationImp : public ObjectImp {
  public:
    ActivationImp(FunctionImp *function, const List &arguments);

    virtual Value get(ExecState *exec, const Identifier &propertyName) const;
    virtual bool hasProperty(ExecState *exec, const Identifier &propertyName) const;
    virtual bool deleteProperty(ExecState *exec, const Identifier &propertyName);

    virtual const ClassInfo *classInfo() const { return &info; }
    static const ClassInfo info;

    virtual void mark();

  private:
    FunctionImp *_function;
    List _arguments;
    mutable ArgumentsImp *_argumentsObject;
  };

  class GlobalFuncImp : public InternalFunctionImp {
  public:
    GlobalFuncImp(ExecState *exec, FunctionPrototypeImp *funcProto,
		  int i, int len, const Identifier &_ident);
    virtual bool implementsCall() const;
    virtual Value call(ExecState *exec, Object &thisObj, const List &args);
    virtual CodeType codeType() const;
    enum { Eval, ParseInt, ParseFloat, IsNaN, IsFinite, DecodeURI, DecodeURIComponent,
	   EncodeURI, EncodeURIComponent, Escape, UnEscape, KJSPrint };
  private:
    int id;
  };

  // helper function for toInteger, toInt32, toUInt32 and toUInt16
  double roundValue(ExecState *exec, const Value &v);

#ifndef NDEBUG
  void printInfo(ExecState *exec, const char *s, const Value &o, int lineno = -1);
#endif

} // namespace


#endif //  _INTERNAL_H_