From 8f486613be58ced269db1d437e560c16558604e8 Mon Sep 17 00:00:00 2001 From: becquet Date: Thu, 10 May 2007 18:49:20 +0000 Subject: Création de chuck, le programme du robot 2007. --- i/chuck/src/interpreter/interpreter.cc | 127 +++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 i/chuck/src/interpreter/interpreter.cc (limited to 'i/chuck/src/interpreter/interpreter.cc') diff --git a/i/chuck/src/interpreter/interpreter.cc b/i/chuck/src/interpreter/interpreter.cc new file mode 100644 index 0000000..bbf4767 --- /dev/null +++ b/i/chuck/src/interpreter/interpreter.cc @@ -0,0 +1,127 @@ +// interpreter.cc +// marvin - programme du robot 2006. {{{ +// +// Copyright (C) 2006 Nicolas Schodet +// +// Robot APB Team/Efrei 2006. +// Web: http://assos.efrei.fr/robot/ +// Email: robot AT efrei DOT fr +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// }}} +#include "interpreter.hh" +#include "interpreter_parser.hh" + +/// Destructor. +Interpreter::~Interpreter (void) +{ + for (Funcs::iterator i = funcs_.begin (); i != funcs_.end (); ++i) + { + delete i->second.func; + } +} + +/// Add a function, Interpreter owns f. +void +Interpreter::add (const std::string &s, Func *f, const std::string &desc) +{ + if (!funcs_.insert (Funcs::value_type (s, FuncDesc (f, desc))).second) + { + // Interpreter owns f, therefore, f must be deleted. + delete f; + throw std::runtime_error ("function \'" + s + + "\' inserted two times"); + } +} + +/// Add a function without description, Interpreter owns f. +void +Interpreter::add (const std::string &s, Func *f) +{ + add (s, f, ""); +} + +/// Test if a function is defined. +bool +Interpreter::exists (const std::string &s) const +{ + Funcs::const_iterator i; + i = funcs_.find (s); + return i != funcs_.end (); +} + +/// Call a function by name. +void +Interpreter::call (const std::string &s, const Args &a, + bool dryrun/*false*/) const +{ + Funcs::const_iterator i; + i = funcs_.find (s); + if (i == funcs_.end ()) + throw std::runtime_error ("function \'" + s + "\' does not exist"); + try + { + (*i->second.func) (a, dryrun); + } + catch (const std::exception &e) + { + throw std::runtime_error ("while calling \'" + s + "\', " + + e.what ()); + } +} + +/// Interpret a string. +void +Interpreter::interpretString (const std::string &s, bool dryrun/*false*/) +{ + InterpreterParser p (*this, dryrun); + p.parseString (s); +} + +/// Interpret a file. +void +Interpreter::interpretFile (const std::string &file, bool dryrun/*false*/) +{ + InterpreterParser p (*this, dryrun); + p.parseFile (file); +} + +/// Return an help string. +std::string +Interpreter::help (void) const +{ + std::string ret; + for (Funcs::const_iterator i = funcs_.begin (); i != funcs_.end (); ++i) + { + ret += i->first; + if (!i->second.desc.empty ()) + { + ret += " : "; + // Well, if you really want to implement this better, please do... + for (std::string::const_iterator j = i->second.desc.begin (); + j != i->second.desc.end (); j++) + { + if (*j == '\n') + ret += "\n "; + else + ret += *j; + } + } + ret += '\n'; + } + return ret; +} + -- cgit v1.2.3