Method loadSection

lib/loader/ast/component/component_section.cpp:10–39

Load component core:module section. See "include/loader/loader.h".

// Load component core:module section. See "include/loader/loader.h".
Expect<void> Loader::loadSection(AST::Component::CoreModuleSection &Sec) {
  return loadSectionContent(Sec, [this, &Sec]() -> Expect<void> {
    auto ReportError = [](auto E) {
      spdlog::error(ErrInfo::InfoAST(ASTNodeAttr::Comp_Sec_CoreMod));
      return E;
    };
    auto ExpectedSize = Sec.getContentSize();
    auto StartOffset = FMgr.getOffset();

    EXPECTED_TRY(auto Preamble, Loader::loadPreamble().map_error(ReportError));
    auto &[WasmMagic, Ver] = Preamble;
    if (unlikely(Ver != ModuleVersion)) {
      return logLoadError(ErrCode::Value::MalformedVersion,
                          FMgr.getLastOffset(), ASTNodeAttr::Comp_Sec_CoreMod);
    }
    AST::Module &CoreMod = Sec.getContent();
    CoreMod.getMagic() = WasmMagic;
    CoreMod.getVersion() = Ver;

    auto Offset = FMgr.getOffset();
    if (unlikely(ExpectedSize < Offset - StartOffset)) {
      return logLoadError(ErrCode::Value::UnexpectedEnd, FMgr.getLastOffset(),
                          ASTNodeAttr::Comp_Sec_CoreMod);
    }

    EXPECTED_TRY(loadModule(CoreMod, ExpectedSize - (Offset - StartOffset))
                     .map_error(ReportError));
    return {};
  });
}

// Load component core:instance section. See "include/loader/loader.h".
Expect<void> Loader::loadSection(AST::Component::CoreInstanceSection &Sec) {