mirror of https://github.com/vitalif/openscad
193 lines
5.1 KiB
C++
193 lines
5.1 KiB
C++
/*
|
|
* 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"
|
|
|
|
AbstractFunction::~AbstractFunction()
|
|
{
|
|
}
|
|
|
|
Value AbstractFunction::evaluate(const Context*, const QVector<QString>&, const QVector<Value>&) const
|
|
{
|
|
return Value();
|
|
}
|
|
|
|
QString AbstractFunction::dump(QString indent, QString name) const
|
|
{
|
|
return QString("%1abstract function %2();\n").arg(indent, name);
|
|
}
|
|
|
|
Function::~Function()
|
|
{
|
|
for (int i=0; i < argexpr.size(); i++)
|
|
delete argexpr[i];
|
|
delete expr;
|
|
}
|
|
|
|
Value Function::evaluate(const Context *ctx, const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues) const
|
|
{
|
|
Context c(ctx);
|
|
c.args(argnames, argexpr, call_argnames, call_argvalues);
|
|
if (expr)
|
|
return expr->evaluate(&c);
|
|
return Value();
|
|
}
|
|
|
|
QString Function::dump(QString indent, QString name) const
|
|
{
|
|
QString text = QString("%1function %2(").arg(indent, name);
|
|
for (int i=0; i < argnames.size(); i++) {
|
|
if (i > 0)
|
|
text += QString(", ");
|
|
text += argnames[i];
|
|
if (argexpr[i])
|
|
text += QString(" = ") + argexpr[i]->dump();
|
|
}
|
|
text += QString(") = %1;\n").arg(expr->dump());
|
|
return text;
|
|
}
|
|
|
|
QHash<QString, AbstractFunction*> builtin_functions;
|
|
|
|
BuiltinFunction::~BuiltinFunction()
|
|
{
|
|
}
|
|
|
|
Value BuiltinFunction::evaluate(const Context*, const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues) const
|
|
{
|
|
return eval_func(call_argnames, call_argvalues);
|
|
}
|
|
|
|
QString BuiltinFunction::dump(QString indent, QString name) const
|
|
{
|
|
return QString("%1builtin function %2();\n").arg(indent, name);
|
|
}
|
|
|
|
static double deg2rad(double x)
|
|
{
|
|
while (x < 0.0)
|
|
x += 360.0;
|
|
while (x >= 360.0)
|
|
x -= 360.0;
|
|
x = x * M_PI * 2.0 / 360.0;
|
|
return x;
|
|
}
|
|
|
|
static double rad2deg(double x)
|
|
{
|
|
x = x * 360.0 / (M_PI * 2.0);
|
|
while (x < 0.0)
|
|
x += 360.0;
|
|
while (x >= 360.0)
|
|
x -= 360.0;
|
|
return x;
|
|
}
|
|
|
|
Value builtin_sin(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(sin(deg2rad(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_cos(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(cos(deg2rad(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_asin(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(rad2deg(asin(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_acos(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(rad2deg(acos(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_tan(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(tan(deg2rad(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_atan(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 1 && args[0].type == Value::NUMBER)
|
|
return Value(rad2deg(atan(args[0].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_atan2(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 2 && args[0].type == Value::NUMBER && args[1].type == Value::NUMBER)
|
|
return Value(rad2deg(atan2(args[0].num, args[1].num)));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_pow(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
if (args.size() == 2 && args[0].type == Value::NUMBER && args[1].type == Value::NUMBER)
|
|
return Value(pow(args[0].num, args[1].num));
|
|
return Value();
|
|
}
|
|
|
|
Value builtin_str(const QVector<QString>&, const QVector<Value> &args)
|
|
{
|
|
QString str;
|
|
for (int i = 0; i < args.size(); i++)
|
|
{
|
|
if (args[i].type == Value::STRING)
|
|
str += args[i].text;
|
|
else
|
|
str += args[i].dump();
|
|
}
|
|
return Value(str);
|
|
}
|
|
|
|
void initialize_builtin_functions()
|
|
{
|
|
builtin_functions["sin"] = new BuiltinFunction(&builtin_sin);
|
|
builtin_functions["cos"] = new BuiltinFunction(&builtin_cos);
|
|
builtin_functions["asin"] = new BuiltinFunction(&builtin_asin);
|
|
builtin_functions["acos"] = new BuiltinFunction(&builtin_acos);
|
|
builtin_functions["tan"] = new BuiltinFunction(&builtin_tan);
|
|
builtin_functions["atan"] = new BuiltinFunction(&builtin_atan);
|
|
builtin_functions["atan2"] = new BuiltinFunction(&builtin_atan2);
|
|
builtin_functions["pow"] = new BuiltinFunction(&builtin_pow);
|
|
builtin_functions["str"] = new BuiltinFunction(&builtin_str);
|
|
initialize_builtin_dxf_dim();
|
|
}
|
|
|
|
void destroy_builtin_functions()
|
|
{
|
|
foreach (AbstractFunction *v, builtin_functions)
|
|
delete v;
|
|
builtin_functions.clear();
|
|
}
|
|
|