2009-06-30 00:30:43 +04:00
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/*
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2011-01-21 04:21:09 +03:00
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* OpenSCAD (www.openscad.org)
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* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
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* Marius Kintel <marius@kintel.net>
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2009-06-30 00:30:43 +04:00
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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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2010-02-01 12:34:18 +03:00
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* As a special exception, you have permission to link this program
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* with the CGAL library and distribute executables, as long as you
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* follow the requirements of the GNU GPL in regard to all of the
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* software in the executable aside from CGAL.
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*
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2009-06-30 00:30:43 +04:00
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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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2010-01-30 07:26:05 +03:00
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#include "module.h"
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#include "node.h"
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#include "context.h"
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#include "builtin.h"
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2009-12-09 17:22:50 +03:00
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#include "printutils.h"
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2011-09-04 21:44:50 +04:00
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#include <sstream>
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2009-06-30 00:30:43 +04:00
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enum control_type_e {
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2010-01-13 15:24:24 +03:00
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CHILD,
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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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2009-11-25 23:47:54 +03:00
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INT_FOR,
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2009-06-30 00:30:43 +04:00
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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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2010-01-06 22:38:45 +03:00
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virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const;
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2009-06-30 00:30:43 +04:00
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};
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2011-09-04 22:35:23 +04:00
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void for_eval(AbstractNode &node, const ModuleInstantiation &inst, size_t l,
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2011-09-04 21:44:50 +04:00
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const std::vector<std::string> &call_argnames,
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const std::vector<Value> &call_argvalues,
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const Context *arg_context)
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2009-06-30 12:38:31 +04:00
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{
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if (call_argnames.size() > l) {
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2011-09-04 21:44:50 +04:00
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const std::string &it_name = call_argnames[l];
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const Value &it_values = call_argvalues[l];
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2009-06-30 12:38:31 +04:00
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Context c(arg_context);
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2012-03-28 02:05:00 +04:00
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if (it_values.type() == Value::RANGE) {
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Value::RangeType range = it_values.toRange();
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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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2009-06-30 22:05:10 +04:00
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}
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2012-03-28 02:05:00 +04:00
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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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2009-06-30 22:05:10 +04:00
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c.set_variable(it_name, Value(i));
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2011-09-04 22:35:23 +04:00
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for_eval(node, inst, l+1, call_argnames, call_argvalues, &c);
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2009-06-30 22:05:10 +04:00
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}
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}
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}
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2012-03-28 02:05:00 +04:00
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else if (it_values.type() == Value::VECTOR) {
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for (size_t i = 0; i < it_values.toVector().size(); i++) {
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c.set_variable(it_name, it_values.toVector()[i]);
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2011-09-04 22:35:23 +04:00
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for_eval(node, inst, l+1, call_argnames, call_argvalues, &c);
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2009-06-30 12:38:31 +04:00
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}
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}
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2012-03-28 02:05:00 +04:00
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else if (it_values.type() != Value::UNDEFINED) {
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2011-09-04 23:02:33 +04:00
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c.set_variable(it_name, it_values);
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2011-09-04 22:35:23 +04:00
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for_eval(node, inst, l+1, call_argnames, call_argvalues, &c);
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2009-06-30 12:38:31 +04:00
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}
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2011-09-05 18:25:13 +04:00
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} else if (l > 0) {
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2011-09-04 22:35:23 +04:00
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std::vector<AbstractNode *> evaluatednodes = inst.evaluateChildren(arg_context);
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node.children.insert(node.children.end(), evaluatednodes.begin(), evaluatednodes.end());
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2009-06-30 12:38:31 +04:00
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}
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}
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2010-01-06 22:38:45 +03:00
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AbstractNode *ControlModule::evaluate(const Context*, const ModuleInstantiation *inst) const
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2009-06-30 00:30:43 +04:00
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{
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2011-09-29 01:06:19 +04:00
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AbstractNode *node = NULL;
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2010-01-13 15:24:24 +03:00
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if (type == CHILD)
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{
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2011-09-03 08:10:36 +04:00
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size_t n = 0;
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2010-01-13 15:24:24 +03:00
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if (inst->argvalues.size() > 0) {
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double v;
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2012-03-28 02:05:00 +04:00
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if (inst->argvalues[0].getDouble(v))
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2010-01-13 15:24:24 +03:00
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n = v;
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}
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for (int i = Context::ctx_stack.size()-1; i >= 0; i--) {
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const Context *c = Context::ctx_stack[i];
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if (c->inst_p) {
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2011-09-29 01:06:19 +04:00
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if (n < c->inst_p->children.size()) {
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node = c->inst_p->children[n]->evaluate(c->inst_p->ctx);
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// FIXME: We'd like to inherit any tags from the ModuleInstantiation
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// given as parameter to this method. However, the instantition which belongs
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// to the returned node cannot be changed. This causes the test
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// features/child-background.scad to fail.
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}
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return node;
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2010-01-13 15:24:24 +03:00
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}
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c = c->parent;
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}
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return NULL;
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}
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2009-11-25 23:47:54 +03:00
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if (type == INT_FOR)
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node = new AbstractIntersectionNode(inst);
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else
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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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2011-09-04 21:44:50 +04:00
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std::stringstream msg;
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msg << "ECHO: ";
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2011-09-03 20:42:12 +04:00
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for (size_t i = 0; i < inst->argnames.size(); i++) {
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2011-09-04 21:44:50 +04:00
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if (i > 0) msg << ", ";
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if (!inst->argnames[i].empty()) msg << inst->argnames[i] << " = ";
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msg << inst->argvalues[i];
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2009-06-30 22:05:10 +04:00
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}
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2012-01-25 06:11:12 +04:00
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PRINTB("%s", msg.str());
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2009-06-30 22:05:10 +04:00
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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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2011-09-03 20:42:12 +04:00
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for (size_t i = 0; i < inst->argnames.size(); i++) {
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2011-09-03 08:10:36 +04:00
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if (!inst->argnames[i].empty())
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2009-07-01 13:48:25 +04:00
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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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2011-09-08 00:57:10 +04:00
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std::vector<AbstractNode *> evaluatednodes = inst->evaluateChildren(&c);
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2011-09-04 22:35:23 +04:00
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node->children.insert(node->children.end(), evaluatednodes.begin(), evaluatednodes.end());
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2009-06-30 00:30:43 +04:00
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}
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2009-11-25 23:47:54 +03:00
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if (type == FOR || type == INT_FOR)
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2009-06-30 00:30:43 +04:00
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{
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2011-09-04 22:35:23 +04:00
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for_eval(*node, *inst, 0, inst->argnames, inst->argvalues, 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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2010-02-12 16:20:15 +03:00
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const IfElseModuleInstantiation *ifelse = dynamic_cast<const IfElseModuleInstantiation*>(inst);
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2011-09-08 10:52:21 +04:00
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if (ifelse->argvalues.size() > 0 && ifelse->argvalues[0].toBool()) {
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2011-09-04 22:35:23 +04:00
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std::vector<AbstractNode *> evaluatednodes = ifelse->evaluateChildren();
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node->children.insert(node->children.end(), evaluatednodes.begin(), evaluatednodes.end());
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2010-02-12 16:20:15 +03:00
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}
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else {
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2011-09-04 22:35:23 +04:00
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std::vector<AbstractNode *> evaluatednodes = ifelse->evaluateElseChildren();
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node->children.insert(node->children.end(), evaluatednodes.begin(), evaluatednodes.end());
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2010-02-12 16:20:15 +03:00
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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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2011-11-06 21:37:12 +04:00
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Builtins::init("child", new ControlModule(CHILD));
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Builtins::init("echo", new ControlModule(ECHO));
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Builtins::init("assign", new ControlModule(ASSIGN));
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Builtins::init("for", new ControlModule(FOR));
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Builtins::init("intersection_for", new ControlModule(INT_FOR));
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Builtins::init("if", new ControlModule(IF));
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2009-06-30 00:30:43 +04:00
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}
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