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Merge pull request #1981 from openscad/issue1815

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Print warning  with multiple roots
This commit is contained in:
Marius Kintel 2017-04-02 15:41:51 -04:00 committed by GitHub
commit e34e519c12
1 changed files with 24 additions and 7 deletions
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31
src/node.cc
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@ -29,7 +29,8 @@
#include "ModuleInstantiation.h"
#include "progress.h"
#include "stl-utils.h"
#include "printutils.h"
#include <functional>
#include <iostream>
#include <algorithm>
@ -93,10 +94,26 @@ std::ostream &operator<<(std::ostream &stream, const AbstractNode &node)
// Do we have an explicit root node (! modifier)?
AbstractNode *find_root_tag(AbstractNode *n)
{
for(auto v : n->children) {
if (v->modinst->tag_root) return v;
if (auto vroot = find_root_tag(v)) return vroot;
}
return NULL;
}
std::vector<AbstractNode*> rootTags;
std::function <void (AbstractNode *n)> find_root_tags = [&] (AbstractNode *n)
{
for(auto v : n->children) {
if (v->modinst->tag_root) rootTags.push_back(v);
find_root_tags(v);
}
};
find_root_tags(n);
if(rootTags.size()>1) {
for(int i = 0; i<rootTags.size(); i++) {
PRINTB("WARNING: Root Modifier (!) Added At Line%d \n", rootTags[i]->modinst->location().firstLine());
}
return rootTags[0];
}
else {
if(rootTags.size() == 0) return NULL;
else return rootTags[0];
}
}