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LibJS: Simplify reading test262 harness files

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Make use of TRY semantics a bit more. And we don't need to store harness
files as a ByteString - we can store the contents as the ByteBuffer that
we receive from reading the file.
This commit is contained in:
Timothy Flynn 2024-12-12 12:55:33 -05:00 committed by Tim Flynn
parent 1b4c45b9eb
commit 40e7f46ac8
Notes: github-actions[bot] 2024-12-13 13:27:43 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/40e7f46ac85
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2889
1 changed files with 25 additions and 27 deletions
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52
Tests/LibJS/test262-runner.cpp
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@ -113,38 +113,36 @@ static ErrorOr<void, TestError> run_program(InterpreterT& interpreter, ScriptOrM
return {};
}
static HashMap<ByteString, ByteString> s_cached_harness_files;
static ErrorOr<StringView, TestError> read_harness_file(StringView harness_file)
{
auto cache = s_cached_harness_files.find(harness_file);
if (cache == s_cached_harness_files.end()) {
auto file_or_error = Core::File::open(ByteString::formatted("{}{}", s_harness_file_directory, harness_file), Core::File::OpenMode::Read);
if (file_or_error.is_error()) {
return TestError {
NegativePhase::Harness,
"filesystem",
ByteString::formatted("Could not open file: {}", harness_file),
harness_file
};
}
static HashMap<ByteString, ByteBuffer> s_cached_harness_files;
auto contents_or_error = file_or_error.value()->read_until_eof();
if (contents_or_error.is_error()) {
return TestError {
NegativePhase::Harness,
"filesystem",
ByteString::formatted("Could not read file: {}", harness_file),
harness_file
};
}
auto cache = [&]() -> ErrorOr<StringView> {
if (auto it = s_cached_harness_files.find(harness_file); it != s_cached_harness_files.end())
return StringView { it->value };
StringView contents_view = contents_or_error.value();
s_cached_harness_files.set(harness_file, contents_view.to_byte_string());
cache = s_cached_harness_files.find(harness_file);
VERIFY(cache != s_cached_harness_files.end());
auto path = ByteString::formatted("{}{}", s_harness_file_directory, harness_file);
auto file = TRY(Core::File::open(path, Core::File::OpenMode::Read));
auto contents = TRY(file->read_until_eof());
s_cached_harness_files.set(harness_file, move(contents));
auto it = s_cached_harness_files.find(harness_file);
VERIFY(it != s_cached_harness_files.end());
return StringView { it->value };
}();
if (cache.is_error()) {
return TestError {
NegativePhase::Harness,
"filesystem",
ByteString::formatted("Could not read file: {}", harness_file),
harness_file
};
}
return cache->value.view();
return cache.value();
}
static ErrorOr<GC::Ref<JS::Script>, TestError> parse_harness_files(JS::Realm& realm, StringView harness_file)