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source: code/archive/tutorialHS09/src/libraries/core/TclBind.cc @ 9949

Last change on this file since 9949 was 5747, checked in by rgrieder, 15 years ago

Added Exception::handleMessage() (copy from Game::getExceptionMessage) function that returns the exception message (if retrievable) when catching with "…"
and adjusted some exception handlers.

  • Property svn:eol-style set to native
File size: 6.8 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "TclBind.h"
30
31#include <exception>
32#include <string>
33#include <cpptcl/cpptcl.h>
34
35#include "SpecialConfig.h"
36#include "util/Debug.h"
37#include "util/Exception.h"
38#include "util/StringUtils.h"
39#include "CommandExecutor.h"
40#include "ConsoleCommand.h"
41#include "Core.h"
42#include "TclThreadManager.h"
43
44namespace orxonox
45{
46    SetConsoleCommandShortcut(TclBind, tcl);
47    SetConsoleCommandShortcut(TclBind, bgerror);
48
49    TclBind* TclBind::singletonPtr_s = 0;
50
51    TclBind::TclBind(const std::string& datapath)
52    {
53        this->interpreter_ = 0;
54        this->bSetTclDataPath_ = false;
55        this->setDataPath(datapath);
56    }
57
58    TclBind::~TclBind()
59    {
60        if (this->interpreter_)
61            delete this->interpreter_;
62    }
63
64    void TclBind::setDataPath(const std::string& datapath)
65    {
66        // String has POSIX slashes
67        this->tclDataPath_ = datapath + "tcl" + '/';
68        this->bSetTclDataPath_ = true;
69
70        this->initializeTclInterpreter();
71    }
72
73    void TclBind::initializeTclInterpreter()
74    {
75        if (this->bSetTclDataPath_ && !this->interpreter_)
76        {
77            this->interpreter_ = this->createTclInterpreter();
78
79            this->interpreter_->def("::orxonox::query", TclBind::tcl_query, Tcl::variadic());
80            this->interpreter_->def("::orxonox::crossquery", TclThreadManager::tcl_crossquery, Tcl::variadic());
81            this->interpreter_->def("execute", TclBind::tcl_execute, Tcl::variadic());
82            this->interpreter_->def("::orxonox::crossexecute", TclThreadManager::tcl_crossexecute, Tcl::variadic());
83
84            try
85            {
86                this->interpreter_->eval("proc query        {args}    { ::orxonox::query $args }");
87                this->interpreter_->eval("proc crossquery   {id args} { ::orxonox::crossquery 0 $id $args }");
88                this->interpreter_->eval("proc crossexecute {id args} { ::orxonox::crossquery 0 $id $args }");
89                this->interpreter_->eval("proc running      {}        { return 1 }");
90                this->interpreter_->eval("set id 0");
91                this->interpreter_->eval("rename exit ::tcl::exit; proc exit {} { execute exit }");
92            }
93            catch (Tcl::tcl_error const &e)
94            {   COUT(1) << "Tcl error while creating Tcl-interpreter: " << e.what() << std::endl;   }
95            catch (...)
96            {   COUT(1) << "Error while creating Tcl-interpreter: " << Exception::handleMessage() << std::endl;   }
97        }
98    }
99
100    Tcl::interpreter* TclBind::createTclInterpreter()
101    {
102        Tcl::interpreter* interpreter = new Tcl::interpreter();
103        std::string libpath = TclBind::getTclLibraryPath();
104
105        try
106        {
107            if (libpath != "")
108                interpreter->eval("set tcl_library \"" + libpath + "\"");
109
110            Tcl_Init(interpreter->get());
111
112            interpreter->eval("source \"" + TclBind::getInstance().tclDataPath_ + "/init.tcl\"");
113        }
114        catch (Tcl::tcl_error const &e)
115        {   COUT(1) << "Tcl error while creating Tcl-interpreter: " << e.what() << std::endl; COUT(1) << "Error: Tcl isn't properly initialized. Orxonox might possibly not work like that." << std::endl;   }
116        catch (...)
117        {   COUT(1) << "Error while creating Tcl-interpreter: " << Exception::handleMessage() << std::endl; COUT(1) << "Error: Tcl isn't properly initialized. Orxonox might possibly not work like that." << std::endl;   }
118
119        return interpreter;
120    }
121
122    std::string TclBind::getTclLibraryPath()
123    {
124#ifdef DEPENDENCY_PACKAGE_ENABLE
125        if (Core::isDevelopmentRun())
126            return (std::string(specialConfig::dependencyLibraryDirectory) + "/tcl");
127        else
128            return (Core::getRootPathString() + "lib/tcl");
129#else
130        return "";
131#endif
132    }
133
134    std::string TclBind::tcl_query(Tcl::object const &args)
135    {
136        COUT(4) << "Tcl_query: " << args.get() << std::endl;
137
138        std::string command = stripEnclosingBraces(args.get());
139
140        if (!CommandExecutor::execute(command, false))
141        {
142            COUT(1) << "Error: Can't execute command \"" << command << "\"!" << std::endl;
143        }
144
145        if (CommandExecutor::getLastEvaluation().hasReturnvalue())
146            return CommandExecutor::getLastEvaluation().getReturnvalue().getString();
147
148        return "";
149    }
150
151    void TclBind::tcl_execute(Tcl::object const &args)
152    {
153        COUT(4) << "Tcl_execute: " << args.get() << std::endl;
154        std::string command = stripEnclosingBraces(args.get());
155
156        if (!CommandExecutor::execute(command, false))
157        {
158            COUT(1) << "Error: Can't execute command \"" << command << "\"!" << std::endl;
159        }
160    }
161
162    std::string TclBind::tcl(const std::string& tclcode)
163    {
164        if (TclBind::getInstance().interpreter_)
165        {
166            try
167            {
168                std::string output = TclBind::getInstance().interpreter_->eval("uplevel #0 " + tclcode);
169                if (output != "")
170                {
171                    COUT(0) << "tcl> " << output << std::endl;
172                }
173                return output;
174            }
175            catch (Tcl::tcl_error const &e)
176            {   COUT(1) << "tcl> Error: " << e.what() << std::endl;   }
177            catch (...)
178            {   COUT(1) << "Error while executing Tcl: " << Exception::handleMessage() << std::endl;   }
179        }
180
181        return "";
182    }
183
184    void TclBind::bgerror(std::string error)
185    {
186        COUT(1) << "Tcl background error: " << stripEnclosingBraces(error) << std::endl;
187    }
188
189    bool TclBind::eval(const std::string& tclcode)
190    {
191        try
192        {
193            TclBind::getInstance().interpreter_->eval(tclcode);
194            return true;
195        }
196        catch (Tcl::tcl_error const &e)
197        {   COUT(1) << "Tcl error: " << e.what() << std::endl;   }
198        catch (...)
199        {   COUT(1) << "Error while executing Tcl: " << Exception::handleMessage() << std::endl;   }
200
201        return false;
202    }
203}
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