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AK: Port LEB128 to the new AK::Stream

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This commit is contained in:
Tim Schumacher 2023-01-29 13:09:25 +01:00 • committed by Andrew Kaster
parent 31f59855b4
commit 787f4d639a
10 changed files with 120 additions and 209 deletions
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11
Userland/Libraries/LibDebug/Dwarf/AbbreviationsMap.cpp
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@ -23,18 +23,17 @@ ErrorOr<void> AbbreviationsMap::populate_map()
{
auto abbreviation_stream = TRY(FixedMemoryStream::construct(m_dwarf_info.abbreviation_data()));
TRY(abbreviation_stream->discard(m_offset));
Core::Stream::WrapInAKInputStream wrapped_abbreviation_stream { *abbreviation_stream };
while (!abbreviation_stream->is_eof()) {
size_t abbreviation_code = 0;
LEB128::read_unsigned(wrapped_abbreviation_stream, abbreviation_code);
TRY(LEB128::read_unsigned(*abbreviation_stream, abbreviation_code));
// An abbreviation code of 0 marks the end of the
// abbreviations for a given compilation unit
if (abbreviation_code == 0)
break;
size_t tag {};
LEB128::read_unsigned(wrapped_abbreviation_stream, tag);
TRY(LEB128::read_unsigned(*abbreviation_stream, tag));
auto has_children = TRY(abbreviation_stream->read_value<u8>());
@ -46,15 +45,15 @@ ErrorOr<void> AbbreviationsMap::populate_map()
do {
size_t attribute_value = 0;
size_t form_value = 0;
LEB128::read_unsigned(wrapped_abbreviation_stream, attribute_value);
LEB128::read_unsigned(wrapped_abbreviation_stream, form_value);
TRY(LEB128::read_unsigned(*abbreviation_stream, attribute_value));
TRY(LEB128::read_unsigned(*abbreviation_stream, form_value));
current_attribute_specification.attribute = static_cast<Attribute>(attribute_value);
current_attribute_specification.form = static_cast<AttributeDataForm>(form_value);
if (current_attribute_specification.form == AttributeDataForm::ImplicitConst) {
ssize_t data_value;
LEB128::read_signed(wrapped_abbreviation_stream, data_value);
TRY(LEB128::read_signed(*abbreviation_stream, data_value));
current_attribute_specification.value = data_value;
}