| [1151] | 1 | // |
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| 2 | // Copyright (C) 2004-2006, Maciej Sobczak |
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| 3 | // |
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| 4 | // Permission to copy, use, modify, sell and distribute this software |
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| 5 | // is granted provided this copyright notice appears in all copies. |
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| 6 | // This software is provided "as is" without express or implied |
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| 7 | // warranty, and with no claim as to its suitability for any purpose. |
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| 8 | // |
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| 9 | |
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| 10 | #ifndef CPPTCL_INCLUDED |
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| 11 | #define CPPTCL_INCLUDED |
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| 12 | |
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| 13 | #include <tcl.h> |
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| 14 | #include <string> |
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| 15 | #include <stdexcept> |
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| 16 | #include <sstream> |
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| 17 | #include <map> |
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| 18 | #include <vector> |
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| 19 | #include <boost/shared_ptr.hpp> |
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| 20 | #include <boost/bind.hpp> |
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| 21 | |
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| 22 | |
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| 23 | namespace Tcl |
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| 24 | { |
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| 25 | |
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| 26 | // exception class used for reporting all Tcl errors |
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| 27 | |
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| 28 | class tcl_error : public std::runtime_error |
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| 29 | { |
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| 30 | public: |
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| 31 | explicit tcl_error(std::string const &msg) |
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| 32 | : std::runtime_error(msg) {} |
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| 33 | explicit tcl_error(Tcl_Interp *interp) |
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| 34 | : std::runtime_error(Tcl_GetString(Tcl_GetObjResult(interp))) {} |
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| 35 | }; |
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| 36 | |
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| 37 | // call policies |
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| 38 | |
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| 39 | struct policies |
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| 40 | { |
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| 41 | policies() : variadic_(false) {} |
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| 42 | |
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| 43 | policies & factory(std::string const &name); |
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| 44 | |
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| 45 | // note: this is additive |
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| 46 | policies & sink(int index); |
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| 47 | |
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| 48 | policies & variadic(); |
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| 49 | |
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| 50 | std::string factory_; |
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| 51 | std::vector<int> sinks_; |
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| 52 | bool variadic_; |
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| 53 | }; |
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| 54 | |
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| 55 | // syntax short-cuts |
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| 56 | policies factory(std::string const &name); |
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| 57 | policies sink(int index); |
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| 58 | policies variadic(); |
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| 59 | |
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| 60 | |
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| 61 | class interpreter; |
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| 62 | class object; |
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| 63 | |
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| 64 | namespace details |
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| 65 | { |
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| 66 | |
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| 67 | // wrapper for the evaluation result |
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| 68 | class result |
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| 69 | { |
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| 70 | public: |
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| 71 | result(Tcl_Interp *interp); |
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| [1194] | 72 | |
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| [1151] | 73 | operator bool() const; |
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| 74 | operator double() const; |
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| 75 | operator int() const; |
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| 76 | operator long() const; |
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| 77 | operator std::string() const; |
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| 78 | operator object() const; |
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| 79 | |
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| 80 | private: |
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| 81 | Tcl_Interp *interp_; |
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| 82 | }; |
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| 83 | |
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| 84 | // helper functions used to set the result value |
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| 85 | |
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| 86 | void set_result(Tcl_Interp *interp, bool b); |
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| 87 | void set_result(Tcl_Interp *interp, int i); |
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| 88 | void set_result(Tcl_Interp *interp, long i); |
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| 89 | void set_result(Tcl_Interp *interp, double d); |
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| 90 | void set_result(Tcl_Interp *interp, std::string const &s); |
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| 91 | void set_result(Tcl_Interp *interp, void *p); |
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| 92 | void set_result(Tcl_Interp *interp, object const &o); |
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| 93 | |
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| 94 | // helper functor for converting Tcl objects to the given type |
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| 95 | #include "details/conversions.h" |
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| 96 | |
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| 97 | // dispatchers able to capture (or ignore) the result |
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| 98 | #include "details/dispatchers.h" |
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| 99 | |
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| 100 | // helper for checking for required number of parameters |
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| 101 | // (throws tcl_error when not met) |
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| 102 | void check_params_no(int objc, int required); |
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| 103 | |
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| 104 | // helper for gathering optional params in variadic functions |
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| 105 | object get_var_params(Tcl_Interp *interp, |
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| 106 | int objc, Tcl_Obj * CONST objv[], |
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| 107 | int from, policies const &pol); |
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| 108 | |
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| 109 | // the callback_base is used to store callback handlers in a polynorphic map |
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| 110 | class callback_base |
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| 111 | { |
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| 112 | public: |
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| 113 | virtual ~callback_base() {} |
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| 114 | |
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| 115 | virtual void invoke(Tcl_Interp *interp, |
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| 116 | int objc, Tcl_Obj * CONST objv[], |
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| 117 | policies const &pol) = 0; |
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| 118 | }; |
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| 119 | |
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| 120 | |
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| 121 | // base class for object command handlers |
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| 122 | // and for class handlers |
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| 123 | class object_cmd_base |
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| 124 | { |
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| 125 | public: |
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| 126 | // destructor not needed, but exists to shut up the compiler warnings |
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| 127 | virtual ~object_cmd_base() {} |
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| 128 | |
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| 129 | virtual void invoke(void *p, Tcl_Interp *interp, |
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| 130 | int objc, Tcl_Obj * CONST objv[], |
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| 131 | policies const &pol) = 0; |
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| 132 | }; |
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| 133 | |
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| 134 | // base class for all class handlers, still abstract |
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| 135 | class class_handler_base : public object_cmd_base |
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| 136 | { |
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| 137 | public: |
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| 138 | typedef std::map<std::string, policies> policies_map_type; |
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| 139 | |
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| 140 | class_handler_base(); |
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| 141 | |
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| 142 | void register_method(std::string const &name, |
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| 143 | boost::shared_ptr<object_cmd_base> ocb, policies const &p); |
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| 144 | |
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| 145 | policies & get_policies(std::string const &name); |
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| 146 | |
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| 147 | protected: |
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| 148 | typedef std::map< |
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| 149 | std::string, |
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| 150 | boost::shared_ptr<object_cmd_base> |
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| 151 | > method_map_type; |
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| 152 | |
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| 153 | // a map of methods for the given class |
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| 154 | method_map_type methods_; |
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| 155 | |
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| 156 | policies_map_type policies_; |
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| 157 | }; |
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| 158 | |
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| 159 | // class handler - responsible for executing class methods |
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| 160 | template <class C> |
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| 161 | class class_handler : public class_handler_base |
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| 162 | { |
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| 163 | public: |
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| 164 | virtual void invoke(void *pv, Tcl_Interp *interp, |
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| 165 | int objc, Tcl_Obj * CONST objv[], policies const &pol) |
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| 166 | { |
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| 167 | C * p = static_cast<C*>(pv); |
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| 168 | |
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| 169 | if (objc < 2) |
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| 170 | { |
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| 171 | throw tcl_error("Too few arguments."); |
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| 172 | } |
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| [1194] | 173 | |
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| [1151] | 174 | std::string methodName(Tcl_GetString(objv[1])); |
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| 175 | |
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| 176 | if (methodName == "-delete") |
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| 177 | { |
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| 178 | Tcl_DeleteCommand(interp, Tcl_GetString(objv[0])); |
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| 179 | delete p; |
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| 180 | return; |
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| 181 | } |
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| 182 | |
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| 183 | // dispatch on the method name |
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| 184 | |
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| 185 | method_map_type::iterator it = methods_.find(methodName); |
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| 186 | if (it == methods_.end()) |
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| 187 | { |
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| 188 | throw tcl_error("Method " + methodName + " not found."); |
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| 189 | } |
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| 190 | |
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| 191 | it->second->invoke(pv, interp, objc, objv, pol); |
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| 192 | } |
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| 193 | }; |
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| 194 | |
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| 195 | |
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| 196 | // factory functions for creating class objects |
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| 197 | #include "details/constructors.h" |
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| 198 | |
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| 199 | // actual callback envelopes |
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| 200 | #include "details/callbacks.h" |
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| 201 | |
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| 202 | // actual method envelopes |
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| 203 | #include "details/methods.h" |
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| 204 | |
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| 205 | // helper meta function for figuring appropriate constructor callback |
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| 206 | #include "details/metahelpers.h" |
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| 207 | |
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| 208 | |
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| 209 | // this class is used to provide the "def" interface for defining |
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| 210 | // class member functions |
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| 211 | |
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| 212 | template <class C> |
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| 213 | class class_definer |
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| 214 | { |
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| 215 | public: |
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| 216 | class_definer(boost::shared_ptr<class_handler<C> > ch) : ch_(ch) {} |
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| 217 | |
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| 218 | template <typename R> |
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| 219 | class_definer & def(std::string const &name, R (C::*f)(), |
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| 220 | policies const &p = policies()) |
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| 221 | { |
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| 222 | ch_->register_method(name, |
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| 223 | boost::shared_ptr<details::object_cmd_base>( |
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| 224 | new details::method0<C, R>(f)), p); |
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| 225 | return *this; |
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| 226 | } |
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| 227 | |
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| 228 | template <typename R> |
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| 229 | class_definer & def(std::string const &name, R (C::*f)() const, |
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| 230 | policies const &p = policies()) |
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| 231 | { |
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| 232 | ch_->register_method(name, |
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| 233 | boost::shared_ptr<details::object_cmd_base>( |
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| 234 | new details::method0<C, R>(f)), p); |
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| 235 | return *this; |
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| 236 | } |
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| 237 | |
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| 238 | template <typename R, typename T1> |
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| 239 | class_definer & def(std::string const &name, R (C::*f)(T1), |
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| 240 | policies const &p = policies()) |
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| 241 | { |
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| 242 | ch_->register_method(name, |
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| 243 | boost::shared_ptr<details::object_cmd_base>( |
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| 244 | new details::method1<C, R, T1>(f)), p); |
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| 245 | return *this; |
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| 246 | } |
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| 247 | |
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| 248 | template <typename R, typename T1> |
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| 249 | class_definer & def(std::string const &name, R (C::*f)(T1) const, |
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| 250 | policies const &p = policies()) |
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| 251 | { |
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| 252 | ch_->register_method(name, |
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| 253 | boost::shared_ptr<details::object_cmd_base>( |
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| 254 | new details::method1<C, R, T1>(f)), p); |
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| 255 | return *this; |
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| 256 | } |
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| 257 | |
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| 258 | template <typename R, typename T1, typename T2> |
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| 259 | class_definer & def(std::string const &name, R (C::*f)(T1, T2), |
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| 260 | policies const &p = policies()) |
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| 261 | { |
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| 262 | ch_->register_method(name, |
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| 263 | boost::shared_ptr<details::object_cmd_base>( |
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| 264 | new details::method2<C, R, T1, T2>(f)), p); |
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| 265 | return *this; |
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| 266 | } |
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| 267 | |
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| 268 | template <typename R, typename T1, typename T2> |
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| 269 | class_definer & def(std::string const &name, R (C::*f)(T1, T2) const, |
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| 270 | policies const &p = policies()) |
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| 271 | { |
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| 272 | ch_->register_method(name, |
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| 273 | boost::shared_ptr<details::object_cmd_base>( |
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| 274 | new details::method2<C, R, T1, T2>(f)), p); |
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| 275 | return *this; |
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| 276 | } |
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| 277 | |
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| 278 | template <typename R, typename T1, typename T2, typename T3> |
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| 279 | class_definer & def(std::string const &name, R (C::*f)(T1, T2, T3), |
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| 280 | policies const &p = policies()) |
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| 281 | { |
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| 282 | ch_->register_method(name, |
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| 283 | boost::shared_ptr<details::object_cmd_base>( |
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| 284 | new details::method3<C, R, T1, T2, T3>(f)), p); |
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| 285 | return *this; |
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| 286 | } |
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| 287 | |
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| 288 | template <typename R, typename T1, typename T2, typename T3> |
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| 289 | class_definer & def(std::string const &name, R (C::*f)(T1, T2, T3) const, |
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| 290 | policies const &p = policies()) |
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| 291 | { |
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| 292 | ch_->register_method(name, |
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| 293 | boost::shared_ptr<details::object_cmd_base>( |
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| 294 | new details::method3<C, R, T1, T2, T3>(f)), p); |
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| 295 | return *this; |
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| 296 | } |
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| 297 | |
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| 298 | template <typename R, typename T1, typename T2, typename T3, typename T4> |
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| 299 | class_definer & def(std::string const &name, R (C::*f)(T1, T2, T3, T4), |
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| 300 | policies const &p = policies()) |
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| 301 | { |
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| 302 | ch_->register_method(name, |
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| 303 | boost::shared_ptr<details::object_cmd_base>( |
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| 304 | new details::method4<C, R, T1, T2, T3, T4>(f)), p); |
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| 305 | return *this; |
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| 306 | } |
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| 307 | |
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| 308 | template <typename R, typename T1, typename T2, typename T3, typename T4> |
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| 309 | class_definer & def(std::string const &name, |
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| 310 | R (C::*f)(T1, T2, T3, T4) const, |
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| 311 | policies const &p = policies()) |
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| 312 | { |
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| 313 | ch_->register_method(name, |
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| 314 | boost::shared_ptr<details::object_cmd_base>( |
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| 315 | new details::method4<C, R, T1, T2, T3, T4>(f)), p); |
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| 316 | return *this; |
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| 317 | } |
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| 318 | |
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| 319 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 320 | typename T5> |
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| 321 | class_definer & def(std::string const &name, |
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| 322 | R (C::*f)(T1, T2, T3, T4, T5), policies const &p = policies()) |
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| 323 | { |
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| 324 | ch_->register_method(name, |
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| 325 | boost::shared_ptr<details::object_cmd_base>( |
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| 326 | new details::method5<C, R, T1, T2, T3, T4, T5>(f)), p); |
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| 327 | return *this; |
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| 328 | } |
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| 329 | |
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| 330 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 331 | typename T5> |
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| 332 | class_definer & def(std::string const &name, |
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| 333 | R (C::*f)(T1, T2, T3, T4, T5) const, policies const &p = policies()) |
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| 334 | { |
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| 335 | ch_->register_method(name, |
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| 336 | boost::shared_ptr<details::object_cmd_base>( |
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| 337 | new details::method5<C, R, T1, T2, T3, T4, T5>(f)), p); |
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| 338 | return *this; |
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| 339 | } |
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| 340 | |
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| 341 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 342 | typename T5, typename T6> |
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| 343 | class_definer & def(std::string const &name, |
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| 344 | R (C::*f)(T1, T2, T3, T4, T5, T6), policies const &p = policies()) |
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| 345 | { |
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| 346 | ch_->register_method(name, |
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| 347 | boost::shared_ptr<details::object_cmd_base>( |
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| 348 | new details::method6<C, R, T1, T2, T3, T4, T5, T6>(f)), |
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| 349 | p); |
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| 350 | return *this; |
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| 351 | } |
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| 352 | |
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| 353 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 354 | typename T5, typename T6> |
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| 355 | class_definer & def(std::string const &name, |
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| 356 | R (C::*f)(T1, T2, T3, T4, T5, T6) const, |
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| 357 | policies const &p = policies()) |
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| 358 | { |
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| 359 | ch_->register_method(name, |
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| 360 | boost::shared_ptr<details::object_cmd_base>( |
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| 361 | new details::method6<C, R, T1, T2, T3, T4, T5, T6>(f)), |
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| 362 | p); |
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| 363 | return *this; |
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| 364 | } |
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| 365 | |
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| 366 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 367 | typename T5, typename T6, typename T7> |
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| 368 | class_definer & def(std::string const &name, |
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| 369 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7), |
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| 370 | policies const &p = policies()) |
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| 371 | { |
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| 372 | ch_->register_method(name, |
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| 373 | boost::shared_ptr<details::object_cmd_base>( |
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| 374 | new details::method7<C, R, |
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| 375 | T1, T2, T3, T4, T5, T6, T7>(f)), p); |
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| 376 | return *this; |
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| 377 | } |
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| 378 | |
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| 379 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 380 | typename T5, typename T6, typename T7> |
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| 381 | class_definer & def(std::string const &name, |
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| 382 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7) const, |
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| 383 | policies const &p = policies()) |
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| 384 | { |
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| 385 | ch_->register_method(name, |
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| 386 | boost::shared_ptr<details::object_cmd_base>( |
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| 387 | new details::method7<C, R, |
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| 388 | T1, T2, T3, T4, T5, T6, T7>(f)), p); |
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| 389 | return *this; |
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| 390 | } |
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| 391 | |
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| 392 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 393 | typename T5, typename T6, typename T7, typename T8> |
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| 394 | class_definer & def(std::string const &name, |
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| 395 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7, T8), |
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| 396 | policies const &p = policies()) |
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| 397 | { |
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| 398 | ch_->register_method(name, |
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| 399 | boost::shared_ptr<details::object_cmd_base>( |
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| 400 | new details::method8<C, R, |
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| 401 | T1, T2, T3, T4, T5, T6, T7, T8>(f)), p); |
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| 402 | return *this; |
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| 403 | } |
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| 404 | |
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| 405 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 406 | typename T5, typename T6, typename T7, typename T8> |
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| 407 | class_definer & def(std::string const &name, |
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| 408 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7, T8) const, |
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| 409 | policies const &p = policies()) |
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| 410 | { |
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| 411 | ch_->register_method(name, |
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| 412 | boost::shared_ptr<details::object_cmd_base>( |
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| 413 | new details::method8<C, R, |
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| 414 | T1, T2, T3, T4, T5, T6, T7, T8>(f)), p); |
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| 415 | return *this; |
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| 416 | } |
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| 417 | |
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| 418 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 419 | typename T5, typename T6, typename T7, typename T8, typename T9> |
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| 420 | class_definer & def(std::string const &name, |
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| 421 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7, T8, T9), |
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| 422 | policies const &p = policies()) |
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| 423 | { |
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| 424 | ch_->register_method(name, |
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| 425 | boost::shared_ptr<details::object_cmd_base>( |
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| 426 | new details::method9<C, R, |
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| 427 | T1, T2, T3, T4, T5, T6, T7, T8, T9>(f)), p); |
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| 428 | return *this; |
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| 429 | } |
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| 430 | |
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| 431 | template <typename R, typename T1, typename T2, typename T3, typename T4, |
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| 432 | typename T5, typename T6, typename T7, typename T8, typename T9> |
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| 433 | class_definer & def(std::string const &name, |
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| 434 | R (C::*f)(T1, T2, T3, T4, T5, T6, T7, T8, T9) const, |
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| 435 | policies const &p = policies()) |
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| 436 | { |
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| 437 | ch_->register_method(name, |
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| 438 | boost::shared_ptr<details::object_cmd_base>( |
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| 439 | new details::method9<C, R, |
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| 440 | T1, T2, T3, T4, T5, T6, T7, T8, T9>(f)), p); |
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| 441 | return *this; |
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| 442 | } |
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| 443 | |
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| 444 | private: |
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| 445 | boost::shared_ptr<class_handler<C> > ch_; |
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| 446 | }; |
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| 447 | |
|---|
| 448 | } // namespace details |
|---|
| 449 | |
|---|
| 450 | |
|---|
| 451 | // init type for defining class constructors |
|---|
| 452 | template <typename T1 = void, typename T2 = void, typename T3 = void, |
|---|
| 453 | typename T4 = void, typename T5 = void, typename T6 = void, |
|---|
| 454 | typename T7 = void, typename T8 = void, typename T9 = void> |
|---|
| 455 | class init {}; |
|---|
| 456 | |
|---|
| 457 | // no_init type and object - to define classes without constructors |
|---|
| 458 | namespace details |
|---|
| 459 | { |
|---|
| 460 | struct no_init_type {}; |
|---|
| 461 | } // namespace details |
|---|
| 462 | extern details::no_init_type no_init; |
|---|
| 463 | |
|---|
| 464 | |
|---|
| 465 | // interpreter wrapper |
|---|
| 466 | class interpreter |
|---|
| 467 | { |
|---|
| 468 | public: |
|---|
| [1194] | 469 | interpreter(); |
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| 470 | interpreter(std::string const &libpath); |
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| [1151] | 471 | interpreter(Tcl_Interp *, bool owner = true); |
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| 472 | ~interpreter(); |
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| [1194] | 473 | |
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| [1151] | 474 | void make_safe(); |
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| [1194] | 475 | |
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| [1151] | 476 | Tcl_Interp * get() const { return interp_; } |
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| 477 | |
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| [1194] | 478 | // free function definitions |
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| 479 | |
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| [1151] | 480 | template <typename R> |
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| 481 | void def(std::string const &name, R (*f)(), |
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| 482 | policies const &p = policies()) |
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| 483 | { |
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| 484 | add_function(name, |
|---|
| 485 | boost::shared_ptr<details::callback_base>( |
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| 486 | new details::callback0<R>(f)), p); |
|---|
| 487 | } |
|---|
| 488 | |
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| 489 | template <typename R, typename T1> |
|---|
| 490 | void def(std::string const &name, R (*f)(T1), |
|---|
| 491 | policies const &p = policies()) |
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| 492 | { |
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| 493 | add_function(name, |
|---|
| 494 | boost::shared_ptr<details::callback_base>( |
|---|
| 495 | new details::callback1<R, T1>(f)), p); |
|---|
| 496 | } |
|---|
| 497 | |
|---|
| 498 | template <typename R, typename T1, typename T2> |
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| 499 | void def(std::string const &name, R (*f)(T1, T2), |
|---|
| 500 | policies const &p = policies()) |
|---|
| 501 | { |
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| 502 | add_function(name, |
|---|
| 503 | boost::shared_ptr<details::callback_base>( |
|---|
| 504 | new details::callback2<R, T1, T2>(f)), p); |
|---|
| 505 | } |
|---|
| 506 | |
|---|
| 507 | template <typename R, typename T1, typename T2, typename T3> |
|---|
| 508 | void def(std::string const &name, R (*f)(T1, T2, T3), |
|---|
| 509 | policies const &p = policies()) |
|---|
| 510 | { |
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| 511 | add_function(name, |
|---|
| 512 | boost::shared_ptr<details::callback_base>( |
|---|
| 513 | new details::callback3<R, T1, T2, T3>(f)), p); |
|---|
| 514 | } |
|---|
| 515 | |
|---|
| 516 | template <typename R, typename T1, typename T2, typename T3, typename T4> |
|---|
| 517 | void def(std::string const &name, R (*f)(T1, T2, T3, T4), |
|---|
| 518 | policies const &p = policies()) |
|---|
| 519 | { |
|---|
| 520 | add_function(name, |
|---|
| 521 | boost::shared_ptr<details::callback_base>( |
|---|
| 522 | new details::callback4<R, T1, T2, T3, T4>(f)), p); |
|---|
| 523 | } |
|---|
| 524 | |
|---|
| 525 | template <typename R, typename T1, typename T2, typename T3, |
|---|
| 526 | typename T4, typename T5> |
|---|
| 527 | void def(std::string const &name, R (*f)(T1, T2, T3, T4, T5), |
|---|
| 528 | policies const &p = policies()) |
|---|
| 529 | { |
|---|
| 530 | add_function(name, |
|---|
| 531 | boost::shared_ptr<details::callback_base>( |
|---|
| 532 | new details::callback5<R, T1, T2, T3, T4, T5>(f)), p); |
|---|
| 533 | } |
|---|
| 534 | |
|---|
| 535 | template <typename R, typename T1, typename T2, typename T3, |
|---|
| 536 | typename T4, typename T5, typename T6> |
|---|
| 537 | void def(std::string const &name, R (*f)(T1, T2, T3, T4, T5, T6), |
|---|
| 538 | policies const &p = policies()) |
|---|
| 539 | { |
|---|
| 540 | add_function(name, |
|---|
| 541 | boost::shared_ptr<details::callback_base>( |
|---|
| 542 | new details::callback6<R, T1, T2, T3, T4, T5, T6>(f)), p); |
|---|
| 543 | } |
|---|
| 544 | |
|---|
| 545 | template <typename R, typename T1, typename T2, typename T3, |
|---|
| 546 | typename T4, typename T5, typename T6, typename T7> |
|---|
| 547 | void def(std::string const &name, R (*f)(T1, T2, T3, T4, T5, T6, T7), |
|---|
| 548 | policies const &p = policies()) |
|---|
| 549 | { |
|---|
| 550 | add_function(name, |
|---|
| 551 | boost::shared_ptr<details::callback_base>( |
|---|
| 552 | new details::callback7<R, |
|---|
| 553 | T1, T2, T3, T4, T5, T6, T7>(f)), p); |
|---|
| 554 | } |
|---|
| 555 | |
|---|
| 556 | template <typename R, typename T1, typename T2, typename T3, |
|---|
| 557 | typename T4, typename T5, typename T6, typename T7, typename T8> |
|---|
| 558 | void def(std::string const &name, R (*f)(T1, T2, T3, T4, T5, T6, T7, T8), |
|---|
| 559 | policies const &p = policies()) |
|---|
| 560 | { |
|---|
| 561 | add_function(name, |
|---|
| 562 | boost::shared_ptr<details::callback_base>( |
|---|
| 563 | new details::callback8<R, |
|---|
| 564 | T1, T2, T3, T4, T5, T6, T7, T8>(f)), p); |
|---|
| 565 | } |
|---|
| 566 | |
|---|
| 567 | template <typename R, typename T1, typename T2, typename T3, |
|---|
| 568 | typename T4, typename T5, typename T6, typename T7, typename T8, |
|---|
| 569 | typename T9> |
|---|
| 570 | void def(std::string const &name, |
|---|
| 571 | R (*f)(T1, T2, T3, T4, T5, T6, T7, T8, T9), |
|---|
| 572 | policies const &p = policies()) |
|---|
| 573 | { |
|---|
| 574 | add_function(name, |
|---|
| 575 | boost::shared_ptr<details::callback_base>( |
|---|
| 576 | new details::callback9<R, |
|---|
| 577 | T1, T2, T3, T4, T5, T6, T7, T8, T9>(f)), p); |
|---|
| 578 | } |
|---|
| 579 | |
|---|
| 580 | |
|---|
| 581 | // class definitions |
|---|
| 582 | |
|---|
| 583 | template <class C> |
|---|
| 584 | details::class_definer<C> class_(std::string const &name) |
|---|
| 585 | { |
|---|
| 586 | boost::shared_ptr<details::class_handler<C> > ch( |
|---|
| 587 | new details::class_handler<C>()); |
|---|
| 588 | |
|---|
| 589 | add_class(name, ch); |
|---|
| 590 | |
|---|
| 591 | add_constructor(name, ch, |
|---|
| 592 | boost::shared_ptr<details::callback_base>( |
|---|
| 593 | new details::callback0<C*>(&details::construct< |
|---|
| 594 | C, void, void, void, void, void, void, void, |
|---|
| 595 | void, void>::doit))); |
|---|
| 596 | |
|---|
| 597 | return details::class_definer<C>(ch); |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | template <class C, typename T1, typename T2, typename T3, typename T4, |
|---|
| 601 | typename T5, typename T6, typename T7, typename T8, |
|---|
| 602 | typename T9> |
|---|
| 603 | details::class_definer<C> class_(std::string const &name, |
|---|
| 604 | init<T1, T2, T3, T4, T5, T6, T7, T8, T9> const &, |
|---|
| 605 | policies const &p = policies()) |
|---|
| 606 | { |
|---|
| 607 | typedef typename details::get_callback_type_for_construct< |
|---|
| 608 | C, T1, T2, T3, T4, T5, T6, T7, T8, T9>::type |
|---|
| 609 | callback_type; |
|---|
| 610 | |
|---|
| 611 | boost::shared_ptr<details::class_handler<C> > ch( |
|---|
| 612 | new details::class_handler<C>()); |
|---|
| 613 | |
|---|
| 614 | add_class(name, ch); |
|---|
| 615 | |
|---|
| 616 | add_constructor(name, ch, |
|---|
| 617 | boost::shared_ptr<details::callback_base>( |
|---|
| 618 | new callback_type(&details::construct< |
|---|
| 619 | C, T1, T2, T3, T4, T5, T6, T7, T8, T9>::doit)), p); |
|---|
| 620 | |
|---|
| 621 | return details::class_definer<C>(ch); |
|---|
| 622 | } |
|---|
| 623 | |
|---|
| 624 | template <class C> |
|---|
| 625 | details::class_definer<C> class_( |
|---|
| 626 | std::string const &name, details::no_init_type const &) |
|---|
| 627 | { |
|---|
| 628 | boost::shared_ptr<details::class_handler<C> > ch( |
|---|
| 629 | new details::class_handler<C>()); |
|---|
| 630 | |
|---|
| 631 | add_class(name, ch); |
|---|
| 632 | |
|---|
| 633 | return details::class_definer<C>(ch); |
|---|
| 634 | } |
|---|
| 635 | |
|---|
| [1194] | 636 | // free script evaluation |
|---|
| [1151] | 637 | details::result eval(std::string const &script); |
|---|
| 638 | details::result eval(std::istream &s); |
|---|
| 639 | |
|---|
| 640 | details::result eval(object const &o); |
|---|
| 641 | |
|---|
| 642 | // the InputIterator should give object& or Tcl_Obj* when dereferenced |
|---|
| 643 | template <class InputIterator> |
|---|
| 644 | details::result eval(InputIterator first, InputIterator last); |
|---|
| 645 | |
|---|
| 646 | // create alias from the *this interpreter to the target interpreter |
|---|
| 647 | void create_alias(std::string const &cmd, |
|---|
| 648 | interpreter &targetInterp, std::string const &targetCmd); |
|---|
| 649 | |
|---|
| 650 | // register a package info (useful when defining packages) |
|---|
| 651 | void pkg_provide(std::string const &name, std::string const &version); |
|---|
| 652 | |
|---|
| 653 | // helper for cleaning up callbacks in non-managed interpreters |
|---|
| 654 | static void clear_definitions(Tcl_Interp *); |
|---|
| 655 | |
|---|
| 656 | private: |
|---|
| 657 | |
|---|
| 658 | // copy not supported |
|---|
| 659 | interpreter(const interpreter &); |
|---|
| 660 | void operator=(const interpreter &); |
|---|
| 661 | |
|---|
| 662 | void add_function(std::string const &name, |
|---|
| 663 | boost::shared_ptr<details::callback_base> cb, |
|---|
| 664 | policies const &p = policies()); |
|---|
| 665 | |
|---|
| 666 | void add_class(std::string const &name, |
|---|
| 667 | boost::shared_ptr<details::class_handler_base> chb); |
|---|
| 668 | |
|---|
| 669 | void add_constructor(std::string const &name, |
|---|
| 670 | boost::shared_ptr<details::class_handler_base> chb, |
|---|
| 671 | boost::shared_ptr<details::callback_base> cb, |
|---|
| 672 | policies const &p = policies()); |
|---|
| 673 | |
|---|
| 674 | Tcl_Interp *interp_; |
|---|
| 675 | bool owner_; |
|---|
| 676 | }; |
|---|
| 677 | |
|---|
| 678 | |
|---|
| 679 | // object wrapper |
|---|
| 680 | class object |
|---|
| 681 | { |
|---|
| 682 | public: |
|---|
| 683 | |
|---|
| 684 | // constructors |
|---|
| 685 | |
|---|
| 686 | object(); |
|---|
| 687 | |
|---|
| 688 | explicit object(bool b); |
|---|
| 689 | object(char const *buf, size_t size); // byte array |
|---|
| 690 | explicit object(double b); |
|---|
| 691 | explicit object(int i); |
|---|
| 692 | |
|---|
| 693 | // list creation |
|---|
| 694 | // the InputIterator should give object& or Tcl_Obj* when dereferenced |
|---|
| 695 | template <class InputIterator> |
|---|
| 696 | object(InputIterator first, InputIterator last) |
|---|
| 697 | : interp_(0) |
|---|
| 698 | { |
|---|
| 699 | std::vector<Tcl_Obj*> v; |
|---|
| 700 | fill_vector(v, first, last); |
|---|
| 701 | obj_ = Tcl_NewListObj(static_cast<int>(v.size()), |
|---|
| 702 | v.empty() ? NULL : &v[0]); |
|---|
| 703 | Tcl_IncrRefCount(obj_); |
|---|
| 704 | } |
|---|
| 705 | |
|---|
| 706 | explicit object(long i); |
|---|
| 707 | explicit object(char const *s); // string construction |
|---|
| 708 | explicit object(std::string const &s); // string construction |
|---|
| 709 | |
|---|
| 710 | explicit object(Tcl_Obj *o, bool shared = false); |
|---|
| 711 | |
|---|
| 712 | object(object const &other, bool shared = false); |
|---|
| 713 | ~object(); |
|---|
| 714 | |
|---|
| 715 | // assignment |
|---|
| 716 | |
|---|
| 717 | object & assign(bool b); |
|---|
| 718 | object & resize(size_t size); // byte array resize |
|---|
| 719 | object & assign(char const *buf, size_t size); // byte array assignment |
|---|
| 720 | object & assign(double d); |
|---|
| 721 | object & assign(int i); |
|---|
| 722 | |
|---|
| 723 | // list assignment |
|---|
| 724 | // the InputIterator should give Tcl_Obj* or object& when dereferenced |
|---|
| 725 | template <class InputIterator> |
|---|
| 726 | object & assign(InputIterator first, InputIterator last) |
|---|
| 727 | { |
|---|
| 728 | std::vector<Tcl_Obj*> v; |
|---|
| 729 | fill_vector(v, first, last); |
|---|
| 730 | Tcl_SetListObj(obj_, static_cast<int>(v.size()), |
|---|
| 731 | v.empty() ? NULL : &v[0]); |
|---|
| 732 | return *this; |
|---|
| 733 | } |
|---|
| 734 | |
|---|
| 735 | object & assign(long l); |
|---|
| 736 | object & assign(char const *s); // string assignment |
|---|
| 737 | object & assign(std::string const &s); // string assignment |
|---|
| 738 | object & assign(object const &o); |
|---|
| 739 | object & assign(Tcl_Obj *o); |
|---|
| 740 | |
|---|
| 741 | object & operator=(bool b) { return assign(b); } |
|---|
| 742 | object & operator=(double d) { return assign(d); } |
|---|
| 743 | object & operator=(int i) { return assign(i); } |
|---|
| 744 | object & operator=(long l) { return assign(l); } |
|---|
| 745 | object & operator=(char const *s) { return assign(s); } |
|---|
| 746 | object & operator=(std::string const &s) { return assign(s); } |
|---|
| 747 | |
|---|
| 748 | object & operator=(object const &o) { return assign(o); } |
|---|
| 749 | object & swap(object &other); |
|---|
| 750 | |
|---|
| 751 | // (logically) non-modifying members |
|---|
| 752 | |
|---|
| 753 | template <typename T> |
|---|
| 754 | T get(interpreter &i) const; |
|---|
| 755 | |
|---|
| 756 | char const * get() const; // string get |
|---|
| 757 | char const * get(size_t &size) const; // byte array get |
|---|
| 758 | |
|---|
| 759 | size_t length(interpreter &i) const; // returns list length |
|---|
| 760 | object at(interpreter &i, size_t index) const; |
|---|
| 761 | |
|---|
| 762 | Tcl_Obj * get_object() const { return obj_; } |
|---|
| 763 | |
|---|
| 764 | // modifying members |
|---|
| 765 | |
|---|
| 766 | object & append(interpreter &i, object const &o); |
|---|
| 767 | object & append_list(interpreter &i, object const &o); |
|---|
| 768 | |
|---|
| 769 | // list replace |
|---|
| 770 | // the InputIterator should give Tcl_Obj* or object& when dereferenced |
|---|
| 771 | template <class InputIterator> |
|---|
| 772 | object & replace(interpreter &i, size_t index, size_t count, |
|---|
| 773 | InputIterator first, InputIterator last) |
|---|
| 774 | { |
|---|
| 775 | std::vector<Tcl_Obj*> v; |
|---|
| 776 | fill_vector(v, first, last); |
|---|
| 777 | int res = Tcl_ListObjReplace(i.get(), obj_, |
|---|
| 778 | static_cast<int>(index), static_cast<int>(count), |
|---|
| 779 | static_cast<int>(v.size()), v.empty() ? NULL : &v[0]); |
|---|
| 780 | if (res != TCL_OK) |
|---|
| 781 | { |
|---|
| 782 | throw tcl_error(i.get()); |
|---|
| 783 | } |
|---|
| 784 | |
|---|
| 785 | return *this; |
|---|
| 786 | } |
|---|
| 787 | |
|---|
| 788 | object & replace(interpreter &i, size_t index, size_t count, |
|---|
| 789 | object const &o); |
|---|
| 790 | object & replace_list(interpreter &i, size_t index, size_t count, |
|---|
| 791 | object const &o); |
|---|
| 792 | |
|---|
| 793 | // helper functions for piggy-backing interpreter info |
|---|
| 794 | void set_interp(Tcl_Interp *interp); |
|---|
| 795 | Tcl_Interp * get_interp() const; |
|---|
| 796 | |
|---|
| 797 | // helper function, also used from interpreter::eval |
|---|
| 798 | template <class InputIterator> |
|---|
| 799 | static void fill_vector(std::vector<Tcl_Obj*> &v, |
|---|
| 800 | InputIterator first, InputIterator last) |
|---|
| 801 | { |
|---|
| 802 | for (; first != last; ++first) |
|---|
| 803 | { |
|---|
| 804 | object o(*first, true); |
|---|
| 805 | v.push_back(o.obj_); |
|---|
| 806 | } |
|---|
| 807 | } |
|---|
| 808 | |
|---|
| 809 | private: |
|---|
| 810 | |
|---|
| 811 | // helper function used from copy constructors |
|---|
| 812 | void init(Tcl_Obj *o, bool shared); |
|---|
| 813 | |
|---|
| 814 | Tcl_Obj *obj_; |
|---|
| 815 | Tcl_Interp *interp_; |
|---|
| 816 | }; |
|---|
| 817 | |
|---|
| 818 | // available specializations for object::get |
|---|
| 819 | template <> bool object::get<bool>(interpreter &i) const; |
|---|
| 820 | template <> double object::get<double>(interpreter &i) const; |
|---|
| 821 | template <> int object::get<int>(interpreter &i) const; |
|---|
| 822 | template <> long object::get<long>(interpreter &i) const; |
|---|
| 823 | template <> char const * object::get<char const *>(interpreter &i) const; |
|---|
| 824 | template <> std::string object::get<std::string>(interpreter &i) const; |
|---|
| 825 | template <> |
|---|
| 826 | std::vector<char> object::get<std::vector<char> >(interpreter &i) const; |
|---|
| 827 | |
|---|
| 828 | // the InputIterator should give object& or Tcl_Obj* when dereferenced |
|---|
| 829 | template <class InputIterator> |
|---|
| 830 | details::result interpreter::eval(InputIterator first, InputIterator last) |
|---|
| 831 | { |
|---|
| 832 | std::vector<Tcl_Obj*> v; |
|---|
| 833 | object::fill_vector(v, first, last); |
|---|
| 834 | int cc = Tcl_EvalObjv(interp_, |
|---|
| 835 | static_cast<int>(v.size()), v.empty() ? NULL : &v[0], 0); |
|---|
| 836 | if (cc != TCL_OK) |
|---|
| 837 | { |
|---|
| 838 | throw tcl_error(interp_); |
|---|
| 839 | } |
|---|
| [1194] | 840 | |
|---|
| [1151] | 841 | return details::result(interp_); |
|---|
| 842 | } |
|---|
| 843 | |
|---|
| 844 | namespace details |
|---|
| 845 | { |
|---|
| 846 | |
|---|
| 847 | // additional callback envelopes for variadic functions |
|---|
| 848 | #include "details/callbacks_v.h" |
|---|
| 849 | |
|---|
| 850 | // additional method envelopes for variadic methods |
|---|
| 851 | #include "details/methods_v.h" |
|---|
| 852 | |
|---|
| 853 | } // namespace details |
|---|
| 854 | |
|---|
| 855 | } // namespace Tcl |
|---|
| 856 | |
|---|
| 857 | |
|---|
| 858 | // macro for defining loadable module entry point |
|---|
| 859 | // - used for extending Tcl interpreter |
|---|
| 860 | |
|---|
| 861 | #define CPPTCL_MODULE(name, i) void name##_cpptcl_Init(Tcl::interpreter &i); \ |
|---|
| 862 | extern "C" int name##_Init(Tcl_Interp *interp) \ |
|---|
| 863 | { \ |
|---|
| 864 | Tcl::interpreter i(interp, false); \ |
|---|
| 865 | name##_cpptcl_Init(i); \ |
|---|
| 866 | return TCL_OK; \ |
|---|
| 867 | } \ |
|---|
| 868 | void name##_cpptcl_Init(Tcl::interpreter &i) |
|---|
| 869 | |
|---|
| 870 | |
|---|
| 871 | #endif // CPPTCL_INCLUDED |
|---|