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https://github.com/open-goal/jak-project.git
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d9f9e076af
* improve label system * clean up menu * debug menu working, still need to fix tests * fix tests and clean up
108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
#include "third-party/fmt/core.h"
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#include "LabelDB.h"
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namespace decompiler {
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std::string LabelInfo::print() const {
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if (!known) {
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return fmt::format("{} unknown", name);
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}
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std::string result = fmt::format("{} {} ", name, result_type.print());
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if (is_value) {
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result += "value ";
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} else {
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result += "ref ";
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}
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if (from_user) {
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result += "from-config ";
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} else {
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result += "auto-detected ";
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}
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if (array_size) {
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result += fmt::format("sz: {}", *array_size);
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}
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return result;
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}
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LabelDB::LabelDB(const std::unordered_map<std::string, LabelConfigInfo>& config,
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const std::vector<DecompilerLabel>& labels,
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const DecompilerTypeSystem& dts) {
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m_labels_by_offset_into_seg.resize(N_SEG);
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// first, copy all labels.
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for (size_t i = 0; i < labels.size(); i++) {
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const auto& existing_info = labels[i];
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LabelInfo info;
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info.name = existing_info.name;
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info.idx = (int)i;
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m_info.push_back(info);
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if (!m_labels_by_name.insert({info.name, i}).second) {
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throw std::runtime_error(
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fmt::format("Label {} appears multiple times, cannot build LabelDB.", info.name));
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}
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m_labels_by_offset_into_seg.at(existing_info.target_segment)[existing_info.offset] = (int)i;
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}
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assert(m_labels_by_name.size() == labels.size());
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size_t total_from_offsets = 0;
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for (int i = 0; i < N_SEG; i++) {
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total_from_offsets += m_labels_by_offset_into_seg[i].size();
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}
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assert(total_from_offsets == labels.size());
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// now config
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for (const auto& config_it : config) {
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const auto& info_it = m_labels_by_name.find(config_it.first);
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if (info_it == m_labels_by_name.end()) {
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throw std::runtime_error(
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fmt::format("Config has an entry for label {}, but it does not exist.", config_it.first));
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}
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auto& info = m_info.at(info_it->second);
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if (info.from_user) {
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throw std::runtime_error(
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fmt::format("Config has multiple entries for label {}.", config_it.first));
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}
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info.from_user = true;
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info.known = true;
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info.result_type = dts.parse_type_spec(config_it.second.type_name);
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info.is_value = config_it.second.is_value;
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info.array_size = config_it.second.array_size;
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}
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}
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const LabelInfo& LabelDB::lookup(int idx) const {
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return m_info.at(idx);
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}
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const LabelInfo& LabelDB::lookup(const std::string& name) const {
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return lookup(m_labels_by_name.at(name));
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}
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LabelInfo LabelDB::set_and_get_previous(int idx,
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const TypeSpec& type,
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bool is_value,
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std::optional<int> array_size) {
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LabelInfo result = m_info.at(idx);
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LabelInfo& mod = m_info.at(idx);
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mod.result_type = type;
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mod.is_value = is_value;
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mod.array_size = array_size;
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mod.from_user = false;
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mod.known = true;
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return result;
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}
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int LabelDB::get_index_by_offset(int seg, int offset) const {
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return m_labels_by_offset_into_seg.at(seg).at(offset);
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}
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int LabelDB::get_index_by_name(const std::string& name) const {
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return m_labels_by_name.at(name);
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}
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} // namespace decompiler
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