mirror of https://github.com/OpenMW/openmw.git
added script interpreter for console
Marc Zinnschlag
15 years ago
parent
d72ed19460
commit
281f2d1136
@ -0,0 +1,217 @@
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#include "console.hpp"
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#include <components/compiler/exception.hpp>
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#include "../mwscript/extensions.hpp"
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namespace MWGui
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{
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class ConsoleInterpreterContext : public MWScript::InterpreterContext
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{
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Console& mConsole;
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public:
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ConsoleInterpreterContext (Console& console, MWWorld::Environment& environment,
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MWWorld::Ptr reference);
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virtual void messageBox (const std::string& message,
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const std::vector<std::string>& buttons);
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};
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ConsoleInterpreterContext::ConsoleInterpreterContext (Console& console,
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MWWorld::Environment& environment, MWWorld::Ptr reference)
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: MWScript::InterpreterContext (environment,
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reference.isEmpty() ? 0 : &reference.getRefData().getLocals(), reference),
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mConsole (console)
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{}
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void ConsoleInterpreterContext::messageBox (const std::string& message,
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const std::vector<std::string>& buttons)
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{
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if (!buttons.empty())
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mConsole.printError ("MessageBox doesn't support buttons while in console mode");
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else
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mConsole.printOK (message);
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}
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bool Console::compile (const std::string& cmd, Compiler::Output& output)
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{
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try
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{
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std::istringstream input (cmd + '\n');
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Compiler::Scanner scanner (*this, input, mCompilerContext.getExtensions());
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Compiler::LineParser parser (*this, mCompilerContext, output.getLocals(),
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output.getLiterals(), output.getCode());
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scanner.scan (parser);
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return isGood();
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}
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catch (const Compiler::SourceException&)
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{
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// error has already been reported via error handler
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}
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catch (const std::exception& error)
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{
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printError (std::string ("An exception has been thrown: ") + error.what());
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}
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return false;
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}
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void Console::report (const std::string& message, const Compiler::TokenLoc& loc, Type type)
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{
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std::ostringstream error;
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error << "column " << loc.mColumn << " (" << loc.mLiteral << "):";
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printError (error.str());
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printError ((type==ErrorMessage ? "error: " : "warning: ") + message);
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}
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void Console::report (const std::string& message, Type type)
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{
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printError ((type==ErrorMessage ? "error: " : "warning: ") + message);
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}
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Console::Console(int w, int h, MWWorld::Environment& environment,
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const Compiler::Extensions& extensions)
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: Layout("openmw_console_layout.xml"),
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mCompilerContext (MWScript::CompilerContext::Type_Console, environment),
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mEnvironment (environment)
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{
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setCoord(10,10, w-10, h/2);
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getWidget(command, "edit_Command");
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getWidget(history, "list_History");
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// Set up the command line box
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command->eventEditSelectAccept =
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newDelegate(this, &Console::acceptCommand);
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command->eventKeyButtonPressed =
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newDelegate(this, &Console::keyPress);
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// Set up the log window
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history->setOverflowToTheLeft(true);
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history->setEditStatic(true);
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history->setVisibleVScroll(true);
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// compiler
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mCompilerContext.setExtensions (&extensions);
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}
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void Console::enable()
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{
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setVisible(true);
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// Give keyboard focus to the combo box whenever the console is
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// turned on
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MyGUI::InputManager::getInstance().setKeyFocusWidget(command);
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}
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void Console::disable()
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{
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setVisible(false);
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}
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void Console::setFont(const std::string &fntName)
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{
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history->setFontName(fntName);
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command->setFontName(fntName);
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}
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void Console::clearHistory()
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{
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history->setCaption("");
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}
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void Console::print(const std::string &msg)
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{
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history->addText(msg);
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}
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void Console::printOK(const std::string &msg)
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{
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print("#FF00FF" + msg + "\n");
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}
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void Console::printError(const std::string &msg)
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{
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print("#FF2222" + msg + "\n");
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}
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void Console::keyPress(MyGUI::WidgetPtr _sender,
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MyGUI::KeyCode key,
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MyGUI::Char _char)
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{
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if(command_history.empty()) return;
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// Traverse history with up and down arrows
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if(key == MyGUI::KeyCode::ArrowUp)
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{
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// If the user was editing a string, store it for later
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if(current == command_history.end())
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editString = command->getCaption();
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if(current != command_history.begin())
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{
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current--;
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command->setCaption(*current);
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}
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}
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else if(key == MyGUI::KeyCode::ArrowDown)
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{
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if(current != command_history.end())
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{
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current++;
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if(current != command_history.end())
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command->setCaption(*current);
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else
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// Restore the edit string
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command->setCaption(editString);
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}
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}
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}
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void Console::acceptCommand(MyGUI::EditPtr _sender)
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{
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const std::string &cm = command->getCaption();
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if(cm.empty()) return;
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// Add the command to the history, and set the current pointer to
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// the end of the list
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command_history.push_back(cm);
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current = command_history.end();
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editString.clear();
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// Log the command
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print("#FFFFFF> " + cm + "\n");
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Compiler::Locals locals;
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Compiler::Output output (locals);
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if (compile (cm, output))
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{
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try
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{
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ConsoleInterpreterContext interpreterContext (*this, mEnvironment, MWWorld::Ptr());
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Interpreter::Interpreter interpreter (interpreterContext);
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MWScript::installOpcodes (interpreter);
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std::vector<Interpreter::Type_Code> code;
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output.getCode (code);
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interpreter.run (&code[0], code.size());
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}
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catch (const std::exception& error)
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{
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printError (std::string ("An exception has been thrown: ") + error.what());
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}
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}
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command->setCaption("");
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}
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}
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