diff options
Diffstat (limited to 'context.cc')
| -rw-r--r-- | context.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/context.cc b/context.cc new file mode 100644 index 0000000..6cfae25 --- /dev/null +++ b/context.cc @@ -0,0 +1,66 @@ +/* + * OpenSCAD (www.openscad.at) + * Copyright (C) 2009 Clifford Wolf <clifford@clifford.at> + * + * 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 "openscad.h" + +void Context::args(const QVector<QString> &argnames, const QVector<Expression*> &argexpr, + const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues) +{ + for (int i=0; i<argnames.size(); i++) { + variables[argnames[i]] = argexpr[i] ? argexpr[i]->evaluate(this->parent) : Value(); + } + + int posarg = 0; + for (int i=0; i<call_argnames.size(); i++) { + if (call_argnames[i].isEmpty()) { + variables[argnames[posarg++]] = call_argvalues[i]; + } else { + variables[call_argnames[i]] = call_argvalues[i]; + } + } +} + +Value Context::lookup_variable(QString name) +{ + if (variables.contains(name)) + return variables[name]; + if (parent) + return parent->lookup_variable(name); + return Value(); +} + +Value Context::evaluate_function(QString name, const QVector<QString> &argnames, const QVector<Value> &argvalues) +{ + if (functions_p->contains(name)) + return functions_p->value(name)->evaluate(this, argnames, argvalues); + if (parent) + return parent->evaluate_function(name, argnames, argvalues); + return Value(); +} + +AbstractNode *Context::evaluate_module(QString name, const QVector<QString> &argnames, const QVector<Value> &argvalues) +{ + if (modules_p->contains(name)) + return modules_p->value(name)->evaluate(this, argnames, argvalues); + if (parent) + return parent->evaluate_module(name, argnames, argvalues); + return NULL; +} + |