Method loadSection

lib/loader/ast/section.cpp:17–40

Load content of custom section. See "include/loader/loader.h".

// Load content of custom section. See "include/loader/loader.h".
Expect<void> Loader::loadSection(AST::CustomSection &Sec) {
  return loadSectionContent(Sec, [this, &Sec]() -> Expect<void> {
    auto ReportError = [this](auto E) {
      return logLoadError(E, FMgr.getLastOffset(), ASTNodeAttr::Sec_Custom);
    };

    // Read name.
    auto StartOffset = FMgr.getOffset();
    EXPECTED_TRY(std::string Name, FMgr.readName().map_error(ReportError));
    Sec.setName(Name);
    auto ReadSize = FMgr.getOffset() - StartOffset;

    // Check for overread first, then read the remaining bytes.
    if (unlikely(Sec.getContentSize() < ReadSize)) {
      return logLoadError(ErrCode::Value::UnexpectedEnd, FMgr.getLastOffset(),
                          ASTNodeAttr::Sec_Custom);
    }
    EXPECTED_TRY(
        std::vector<uint8_t> Bytes,
        FMgr.readBytes(Sec.getContentSize() - ReadSize).map_error(ReportError));
    Sec.getContent().insert(Sec.getContent().end(), Bytes.begin(), Bytes.end());
    return {};
  });
}

// Load vector of type section. See "include/loader/loader.h".
Expect<void> Loader::loadSection(AST::TypeSection &Sec) {