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LibWasm: Implement Element section segment type 4

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This commit is contained in:
Ali Mohammad Pur 2023-07-08 13:51:35 +03:30 committed by Andreas Kling
parent aafef1e92d
commit 59e8f713db
2 changed files with 18 additions and 6 deletions
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19
Userland/Libraries/LibWasm/Parser/Parser.cpp
View file

@ -1047,9 +1047,20 @@ ParseResult<ElementSection::SegmentType3> ElementSection::SegmentType3::parse(St
ParseResult<ElementSection::SegmentType4> ElementSection::SegmentType4::parse(Stream& stream)
{
dbgln("Type 4");
(void)stream;
return ParseError::NotImplemented;
auto expression = Expression::parse(stream);
if (expression.is_error())
return expression.error();
auto initializers = parse_vector<Expression>(stream);
if (initializers.is_error())
return initializers.error();
return SegmentType4 {
.mode = Active {
.index = 0,
.expression = expression.release_value(),
},
.initializer = initializers.release_value(),
};
}
ParseResult<ElementSection::SegmentType5> ElementSection::SegmentType5::parse(Stream& stream)
@ -1117,7 +1128,7 @@ ParseResult<ElementSection::Element> ElementSection::Element::parse(Stream& stre
if (auto result = SegmentType4::parse(stream); result.is_error()) {
return result.error();
} else {
return ParseError::NotImplemented;
return Element { ValueType(ValueType::FunctionReference), move(result.value().initializer), move(result.value().mode) };
}
case 0x05:
if (auto result = SegmentType5::parse(stream); result.is_error()) {

5
Userland/Libraries/LibWasm/Types.h
View file

@ -737,7 +737,6 @@ public:
};
struct SegmentType0 {
// FIXME: Implement me!
static ParseResult<SegmentType0> parse(Stream& stream);
Vector<FunctionIndex> function_indices;
@ -757,8 +756,10 @@ public:
static ParseResult<SegmentType3> parse(Stream& stream);
};
struct SegmentType4 {
// FIXME: Implement me!
static ParseResult<SegmentType4> parse(Stream& stream);
Active mode;
Vector<Expression> initializer;
};
struct SegmentType5 {
// FIXME: Implement me!