2009-06-30 00:30:43 +04:00
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/*
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* OpenSCAD (www.openscad.at)
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* Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define INCLUDE_ABSTRACT_NODE_DETAILS
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#include "openscad.h"
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enum control_type_e {
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2009-06-30 22:05:10 +04:00
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ECHO,
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2009-06-30 00:30:43 +04:00
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ASSIGN,
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FOR,
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IF
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};
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class ControlModule : public AbstractModule
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{
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public:
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control_type_e type;
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ControlModule(control_type_e type) : type(type) { }
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2009-07-01 13:48:25 +04:00
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virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstanciation *inst) const;
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2009-06-30 00:30:43 +04:00
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};
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2009-06-30 12:38:31 +04:00
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void for_eval(AbstractNode *node, int l, const QVector<QString> &call_argnames, const QVector<Value> &call_argvalues, const QVector<ModuleInstanciation*> arg_children, const Context *arg_context)
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{
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if (call_argnames.size() > l) {
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QString it_name = call_argnames[l];
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Value it_values = call_argvalues[l];
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Context c(arg_context);
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if (it_values.type == Value::RANGE) {
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2009-06-30 22:05:10 +04:00
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double range_begin = it_values.range_begin;
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double range_end = it_values.range_end;
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double range_step = it_values.range_step;
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if (range_end < range_begin) {
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double t = range_begin;
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range_begin = range_end;
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range_end = t;
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}
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if (range_step > 0 && (range_begin-range_end)/range_step < 10000) {
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for (double i = range_begin; i <= range_end; i += range_step) {
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c.set_variable(it_name, Value(i));
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for_eval(node, l+1, call_argnames, call_argvalues, arg_children, &c);
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}
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}
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}
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else if (it_values.type == Value::VECTOR) {
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for (int i = 0; i < it_values.vec.size(); i++) {
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c.set_variable(it_name, *it_values.vec[i]);
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2009-06-30 12:38:31 +04:00
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for_eval(node, l+1, call_argnames, call_argvalues, arg_children, &c);
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}
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}
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else {
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for_eval(node, l+1, call_argnames, call_argvalues, arg_children, &c);
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}
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} else {
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foreach (ModuleInstanciation *v, arg_children) {
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AbstractNode *n = v->evaluate(arg_context);
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if (n != NULL)
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node->children.append(n);
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}
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}
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}
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2009-07-01 13:48:25 +04:00
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AbstractNode *ControlModule::evaluate(const Context*, const ModuleInstanciation *inst) const
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2009-06-30 00:30:43 +04:00
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{
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2009-07-01 13:48:25 +04:00
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AbstractNode *node = new AbstractNode(inst);
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2009-06-30 00:30:43 +04:00
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2009-06-30 22:05:10 +04:00
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if (type == ECHO)
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{
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QString msg = QString("ECHO: ");
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2009-07-01 13:48:25 +04:00
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for (int i = 0; i < inst->argnames.size(); i++) {
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2009-06-30 22:05:10 +04:00
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if (i > 0)
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msg += QString(", ");
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2009-07-01 13:48:25 +04:00
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if (!inst->argnames[i].isEmpty())
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msg += inst->argnames[i] + QString(" = ");
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msg += inst->argvalues[i].dump();
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2009-06-30 22:05:10 +04:00
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}
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PRINT(msg);
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}
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2009-06-30 00:30:43 +04:00
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if (type == ASSIGN)
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{
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2009-07-01 13:48:25 +04:00
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Context c(inst->ctx);
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for (int i = 0; i < inst->argnames.size(); i++) {
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if (!inst->argnames[i].isEmpty())
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c.set_variable(inst->argnames[i], inst->argvalues[i]);
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2009-06-30 00:30:43 +04:00
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}
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2009-07-01 13:48:25 +04:00
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foreach (ModuleInstanciation *v, inst->children) {
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2009-06-30 00:30:43 +04:00
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AbstractNode *n = v->evaluate(&c);
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if (n != NULL)
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node->children.append(n);
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}
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}
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if (type == FOR)
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{
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2009-07-01 13:48:25 +04:00
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for_eval(node, 0, inst->argnames, inst->argvalues, inst->children, inst->ctx);
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2009-06-30 00:30:43 +04:00
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}
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if (type == IF)
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{
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2009-07-01 13:48:25 +04:00
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if (inst->argvalues.size() > 0 && inst->argvalues[0].type == Value::BOOL && inst->argvalues[0].b)
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foreach (ModuleInstanciation *v, inst->children) {
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AbstractNode *n = v->evaluate(inst->ctx);
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2009-06-30 12:38:31 +04:00
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if (n != NULL)
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node->children.append(n);
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}
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2009-06-30 00:30:43 +04:00
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}
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return node;
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}
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void register_builtin_control()
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{
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2009-06-30 22:05:10 +04:00
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builtin_modules["echo"] = new ControlModule(ECHO);
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2009-06-30 12:38:31 +04:00
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builtin_modules["assign"] = new ControlModule(ASSIGN);
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2009-06-30 22:05:10 +04:00
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builtin_modules["for"] = new ControlModule(FOR);
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2009-06-30 12:38:31 +04:00
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builtin_modules["if"] = new ControlModule(IF);
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2009-06-30 00:30:43 +04:00
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}
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