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Implemented #368: no segfault but exception if accessing invalid layer iterator

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This commit is contained in:
Matthias Koefferlein
2019-11-01 17:36:08 +01:00
parent f2fafd1bad
commit e95ced6d7a
1 changed files with 13 additions and 1 deletions
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src/laybasic/laybasic/layLayerProperties.cc
+13 -1
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@@ -28,10 +28,10 @@
#include "tlException.h"
#include "tlExpression.h"
#include "tlAssert.h"
#include "tlInternational.h"
#include <algorithm>
namespace lay
{
@@ -1870,8 +1870,14 @@ LayerPropertiesList::insert (const LayerPropertiesIterator &iter, const LayerPro
LayerPropertiesIterator parent = iter.parent ();
if (parent.is_null ()) {
if (iter.child_index () > m_layer_properties.size ()) {
throw tl::Exception (tl::to_string (tr ("Iterator is out of range in LayerPropertiesList::insert")));
}
ret = &*(m_layer_properties.insert (m_layer_properties.begin () + iter.child_index (), node));
} else {
if (iter.child_index () > size_t (parent->end_children () - parent->begin_children ())) {
throw tl::Exception (tl::to_string (tr ("Iterator is out of range in LayerPropertiesList::insert")));
}
ret = &(parent->insert_child (parent->begin_children () + iter.child_index (), node));
}
@@ -1889,8 +1895,14 @@ LayerPropertiesList::erase (const LayerPropertiesIterator &iter)
std::pair <LayerPropertiesNode *, size_t> pp = iter.parent_obj ();
if (pp.first == 0) {
if (pp.second >= m_layer_properties.size ()) {
throw tl::Exception (tl::to_string (tr ("Iterator is out of range in LayerPropertiesList::erase")));
}
m_layer_properties.erase (m_layer_properties.begin () + pp.second);
} else {
if (pp.second >= size_t (pp.first->end_children () - pp.first->begin_children ())) {
throw tl::Exception (tl::to_string (tr ("Iterator is out of range in LayerPropertiesList::erase")));
}
pp.first->erase_child (pp.first->begin_children () + pp.second);
}
}