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LibWasm: Make the Module ctor generate a list of module functions
This list is supposed to be accessed rather frequently, so there's no reason to make things slower by generating it many times on the spot.
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4 changed files with 70 additions and 26 deletions
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@ -970,7 +970,7 @@ ParseResult<Locals> Locals::parse(InputStream& stream)
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return Locals { static_cast<u32>(count), type.release_value() };
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}
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ParseResult<Func> Func::parse(InputStream& stream)
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ParseResult<CodeSection::Func> CodeSection::Func::parse(InputStream& stream)
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{
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ScopeLogger<WASM_BINPARSER_DEBUG> logger("Func");
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auto locals = parse_vector<Locals>(stream);
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@ -1227,6 +1227,28 @@ ParseResult<Module> Module::parse(InputStream& stream)
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return Module { move(sections) };
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}
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void Module::populate_sections()
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{
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const FunctionSection* function_section { nullptr };
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for_each_section_of_type<FunctionSection>([&](const FunctionSection& section) { function_section = §ion; });
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for_each_section_of_type<CodeSection>([&](const CodeSection& section) {
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// FIXME: This should be considered invalid once validation is implemented.
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if (!function_section)
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return;
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size_t index = 0;
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for (auto& entry : section.functions()) {
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auto& type_index = function_section->types()[index];
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Vector<ValueType> locals;
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for (auto& local : entry.func().locals()) {
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for (size_t i = 0; i < local.n(); ++i)
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locals.append(local.type());
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}
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m_functions.empend(type_index, move(locals), entry.func().body());
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++index;
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}
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});
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}
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String parse_error_to_string(ParseError error)
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{
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switch (error) {
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