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XPath: Throw std::bad_alloc if we got an out-of-memory error

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This allows us to gradually convert exception handling of out-of-memory
during evaluation to a non-throwing approach without changing the
observable behavior.
This commit is contained in:
Arseny Kapoulkine 2017-01-30 21:45:01 -08:00
parent 02cee98492
commit ac150d504e
1 changed files with 20 additions and 0 deletions
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20
src/pugixml.cpp
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@ -11870,6 +11870,10 @@ PUGI__NS_BEGIN
xpath_string r = impl->root->eval_string(c, sd.stack); xpath_string r = impl->root->eval_string(c, sd.stack);
#ifndef PUGIXML_NO_EXCEPTIONS
if (sd.error) throw std::bad_alloc();
#endif
return sd.error ? xpath_string() : r; return sd.error ? xpath_string() : r;
} }
@ -12510,6 +12514,10 @@ namespace pugi
bool r = static_cast<impl::xpath_query_impl*>(_impl)->root->eval_boolean(c, sd.stack); bool r = static_cast<impl::xpath_query_impl*>(_impl)->root->eval_boolean(c, sd.stack);
#ifndef PUGIXML_NO_EXCEPTIONS
if (sd.error) throw std::bad_alloc();
#endif
return sd.error ? false : r; return sd.error ? false : r;
} }
@ -12526,6 +12534,10 @@ namespace pugi
double r = static_cast<impl::xpath_query_impl*>(_impl)->root->eval_number(c, sd.stack); double r = static_cast<impl::xpath_query_impl*>(_impl)->root->eval_number(c, sd.stack);
#ifndef PUGIXML_NO_EXCEPTIONS
if (sd.error) throw std::bad_alloc();
#endif
return sd.error ? impl::gen_nan() : r; return sd.error ? impl::gen_nan() : r;
} }
@ -12574,6 +12586,10 @@ namespace pugi
impl::xpath_node_set_raw r = root->eval_node_set(c, sd.stack, impl::nodeset_eval_all); impl::xpath_node_set_raw r = root->eval_node_set(c, sd.stack, impl::nodeset_eval_all);
#ifndef PUGIXML_NO_EXCEPTIONS
if (sd.error) throw std::bad_alloc();
#endif
return sd.error ? xpath_node_set() : xpath_node_set(r.begin(), r.end(), r.type()); return sd.error ? xpath_node_set() : xpath_node_set(r.begin(), r.end(), r.type());
} }
@ -12591,6 +12607,10 @@ namespace pugi
impl::xpath_node_set_raw r = root->eval_node_set(c, sd.stack, impl::nodeset_eval_first); impl::xpath_node_set_raw r = root->eval_node_set(c, sd.stack, impl::nodeset_eval_first);
#ifndef PUGIXML_NO_EXCEPTIONS
if (sd.error) throw std::bad_alloc();
#endif
return sd.error ? xpath_node() : r.first(); return sd.error ? xpath_node() : r.first();
} }