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Prevent memory leak when exception is thrown in adl_serializer::to_json (#3901)

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Co-authored-by: barcode <barcode@example.com>
This commit is contained in:
Raphael Grimmandbarcode authored and GitHub committed 2023-03-08 13:43:45 +01:00
1 parent fe4b66355c
commit bbe337c3a3
15 files changed
+1321 -1167
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include/nlohmann/detail/output/serializer.hpp
+36 -36
View File
@@ -110,11 +110,11 @@ class serializer
const unsigned int indent_step,
const unsigned int current_indent = 0)
{
switch (val.m_type)
switch (val.m_data.m_type)
{
case value_t::object:
{
if (val.m_value.object->empty())
if (val.m_data.m_value.object->empty())
{
o->write_characters("{}", 2);
return;
@@ -132,8 +132,8 @@ class serializer
}
// first n-1 elements
auto i = val.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i)
auto i = val.m_data.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_data.m_value.object->size() - 1; ++cnt, ++i)
{
o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"');
@@ -144,8 +144,8 @@ class serializer
}
// last element
JSON_ASSERT(i != val.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_value.object->cend());
JSON_ASSERT(i != val.m_data.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_data.m_value.object->cend());
o->write_characters(indent_string.c_str(), new_indent);
o->write_character('\"');
dump_escaped(i->first, ensure_ascii);
@@ -161,8 +161,8 @@ class serializer
o->write_character('{');
// first n-1 elements
auto i = val.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i)
auto i = val.m_data.m_value.object->cbegin();
for (std::size_t cnt = 0; cnt < val.m_data.m_value.object->size() - 1; ++cnt, ++i)
{
o->write_character('\"');
dump_escaped(i->first, ensure_ascii);
@@ -172,8 +172,8 @@ class serializer
}
// last element
JSON_ASSERT(i != val.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_value.object->cend());
JSON_ASSERT(i != val.m_data.m_value.object->cend());
JSON_ASSERT(std::next(i) == val.m_data.m_value.object->cend());
o->write_character('\"');
dump_escaped(i->first, ensure_ascii);
o->write_characters("\":", 2);
@@ -187,7 +187,7 @@ class serializer
case value_t::array:
{
if (val.m_value.array->empty())
if (val.m_data.m_value.array->empty())
{
o->write_characters("[]", 2);
return;
@@ -205,8 +205,8 @@ class serializer
}
// first n-1 elements
for (auto i = val.m_value.array->cbegin();
i != val.m_value.array->cend() - 1; ++i)
for (auto i = val.m_data.m_value.array->cbegin();
i != val.m_data.m_value.array->cend() - 1; ++i)
{
o->write_characters(indent_string.c_str(), new_indent);
dump(*i, true, ensure_ascii, indent_step, new_indent);
@@ -214,9 +214,9 @@ class serializer
}
// last element
JSON_ASSERT(!val.m_value.array->empty());
JSON_ASSERT(!val.m_data.m_value.array->empty());
o->write_characters(indent_string.c_str(), new_indent);
dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent);
dump(val.m_data.m_value.array->back(), true, ensure_ascii, indent_step, new_indent);
o->write_character('\n');
o->write_characters(indent_string.c_str(), current_indent);
@@ -227,16 +227,16 @@ class serializer
o->write_character('[');
// first n-1 elements
for (auto i = val.m_value.array->cbegin();
i != val.m_value.array->cend() - 1; ++i)
for (auto i = val.m_data.m_value.array->cbegin();
i != val.m_data.m_value.array->cend() - 1; ++i)
{
dump(*i, false, ensure_ascii, indent_step, current_indent);
o->write_character(',');
}
// last element
JSON_ASSERT(!val.m_value.array->empty());
dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent);
JSON_ASSERT(!val.m_data.m_value.array->empty());
dump(val.m_data.m_value.array->back(), false, ensure_ascii, indent_step, current_indent);
o->write_character(']');
}
@@ -247,7 +247,7 @@ class serializer
case value_t::string:
{
o->write_character('\"');
dump_escaped(*val.m_value.string, ensure_ascii);
dump_escaped(*val.m_data.m_value.string, ensure_ascii);
o->write_character('\"');
return;
}
@@ -269,24 +269,24 @@ class serializer
o->write_characters("\"bytes\": [", 10);
if (!val.m_value.binary->empty())
if (!val.m_data.m_value.binary->empty())
{
for (auto i = val.m_value.binary->cbegin();
i != val.m_value.binary->cend() - 1; ++i)
for (auto i = val.m_data.m_value.binary->cbegin();
i != val.m_data.m_value.binary->cend() - 1; ++i)
{
dump_integer(*i);
o->write_characters(", ", 2);
}
dump_integer(val.m_value.binary->back());
dump_integer(val.m_data.m_value.binary->back());
}
o->write_characters("],\n", 3);
o->write_characters(indent_string.c_str(), new_indent);
o->write_characters("\"subtype\": ", 11);
if (val.m_value.binary->has_subtype())
if (val.m_data.m_value.binary->has_subtype())
{
dump_integer(val.m_value.binary->subtype());
dump_integer(val.m_data.m_value.binary->subtype());
}
else
{
@@ -300,21 +300,21 @@ class serializer
{
o->write_characters("{\"bytes\":[", 10);
if (!val.m_value.binary->empty())
if (!val.m_data.m_value.binary->empty())
{
for (auto i = val.m_value.binary->cbegin();
i != val.m_value.binary->cend() - 1; ++i)
for (auto i = val.m_data.m_value.binary->cbegin();
i != val.m_data.m_value.binary->cend() - 1; ++i)
{
dump_integer(*i);
o->write_character(',');
}
dump_integer(val.m_value.binary->back());
dump_integer(val.m_data.m_value.binary->back());
}
o->write_characters("],\"subtype\":", 12);
if (val.m_value.binary->has_subtype())
if (val.m_data.m_value.binary->has_subtype())
{
dump_integer(val.m_value.binary->subtype());
dump_integer(val.m_data.m_value.binary->subtype());
o->write_character('}');
}
else
@@ -327,7 +327,7 @@ class serializer
case value_t::boolean:
{
if (val.m_value.boolean)
if (val.m_data.m_value.boolean)
{
o->write_characters("true", 4);
}
@@ -340,19 +340,19 @@ class serializer
case value_t::number_integer:
{
dump_integer(val.m_value.number_integer);
dump_integer(val.m_data.m_value.number_integer);
return;
}
case value_t::number_unsigned:
{
dump_integer(val.m_value.number_unsigned);
dump_integer(val.m_data.m_value.number_unsigned);
return;
}
case value_t::number_float:
{
dump_float(val.m_value.number_float);
dump_float(val.m_data.m_value.number_float);
return;
}