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AK: Move ConstrainedStream from LibWasm and limit discarding

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Tim Schumacher 2023-03-10 16:37:52 +01:00 • committed by Andreas Kling
parent 92800cff4a
commit d1f6a28ffd
6 changed files with 99 additions and 51 deletions
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5
Userland/Libraries/LibWasm/Parser/Parser.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/ConstrainedStream.h>
#include <AK/Debug.h>
#include <AK/Endian.h>
#include <AK/LEB128.h>
@ -1186,7 +1187,7 @@ ParseResult<CodeSection::Code> CodeSection::Code::parse(Stream& stream)
return with_eof_check(stream, ParseError::InvalidSize);
size_t size = size_or_error.release_value();
auto constrained_stream = ConstrainedStream { stream, size };
auto constrained_stream = ConstrainedStream { MaybeOwned<Stream>(stream), size };
auto func = Func::parse(constrained_stream);
if (func.is_error())
@ -1301,7 +1302,7 @@ ParseResult<Module> Module::parse(Stream& stream)
return with_eof_check(stream, ParseError::ExpectedSize);
size_t section_size = section_size_or_error.release_value();
auto section_stream = ConstrainedStream { stream, section_size };
auto section_stream = ConstrainedStream { MaybeOwned<Stream>(stream), section_size };
switch (section_id) {
case CustomSection::section_id: