C++ SymbolContextList::Append方法代码示例

void
Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list)
{
    // No need to protect this call using m_mutex all other method calls are
    // already thread safe.

    size_t num_indices = symbol_indexes.size();
    if (num_indices > 0)
    {
        SymbolContext sc;
        CalculateSymbolContext (&sc);
        for (size_t i = 0; i < num_indices; i++)
        {
            sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]);
            if (sc.symbol)
                sc_list.Append (sc);
        }
    }
}

uint32_t
Module::FindCompileUnits (const FileSpec &path,
                          bool append,
                          SymbolContextList &sc_list)
{
    if (!append)
        sc_list.Clear();
    
    const uint32_t start_size = sc_list.GetSize();
    const uint32_t num_compile_units = GetNumCompileUnits();
    SymbolContext sc;
    sc.module_sp = this;
    const bool compare_directory = path.GetDirectory();
    for (uint32_t i=0; i<num_compile_units; ++i)
    {
        sc.comp_unit = GetCompileUnitAtIndex(i).get();
        if (FileSpec::Equal (*sc.comp_unit, path, compare_directory))
            sc_list.Append(sc);
    }
    return sc_list.GetSize() - start_size;
}

uint32_t
CompileUnit::ResolveSymbolContext
(
    const FileSpec& file_spec,
    uint32_t line,
    bool check_inlines,
    bool exact,
    uint32_t resolve_scope,
    SymbolContextList &sc_list
)
{
    // First find all of the file indexes that match our "file_spec". If 
    // "file_spec" has an empty directory, then only compare the basenames
    // when finding file indexes
    std::vector<uint32_t> file_indexes;
    bool file_spec_matches_cu_file_spec = FileSpec::Equal(file_spec, *this, !file_spec.GetDirectory().IsEmpty());

    // If we are not looking for inlined functions and our file spec doesn't
    // match then we are done...
    if (file_spec_matches_cu_file_spec == false && check_inlines == false)
        return 0;

    uint32_t file_idx = GetSupportFiles().FindFileIndex (1, file_spec, true);
    while (file_idx != UINT32_MAX)
    {
        file_indexes.push_back (file_idx);
        file_idx = GetSupportFiles().FindFileIndex (file_idx + 1, file_spec, true);
    }
    
    const size_t num_file_indexes = file_indexes.size();
    if (num_file_indexes == 0)
        return 0;

    const uint32_t prev_size = sc_list.GetSize();

    SymbolContext sc(GetModule());
    sc.comp_unit = this;


    if (line != 0)
    {
        LineTable *line_table = sc.comp_unit->GetLineTable();

        if (line_table != NULL)
        {
            uint32_t found_line;
            uint32_t line_idx;
            
            if (num_file_indexes == 1)
            {
                // We only have a single support file that matches, so use
                // the line table function that searches for a line entries
                // that match a single support file index
                LineEntry line_entry;
                line_idx = line_table->FindLineEntryIndexByFileIndex (0, file_indexes.front(), line, exact, &line_entry);

                // If "exact == true", then "found_line" will be the same
                // as "line". If "exact == false", the "found_line" will be the
                // closest line entry with a line number greater than "line" and 
                // we will use this for our subsequent line exact matches below.
                found_line = line_entry.line;

                while (line_idx != UINT32_MAX)
                {
                    // If they only asked for the line entry, then we're done, we can just copy that over.
                    // But if they wanted more than just the line number, fill it in.
                    if (resolve_scope == eSymbolContextLineEntry)
                    {
                        sc.line_entry = line_entry;
                    }
                    else
                    {
                        line_entry.range.GetBaseAddress().CalculateSymbolContext(&sc, resolve_scope);
                    }
                    
                    sc_list.Append(sc);
                    line_idx = line_table->FindLineEntryIndexByFileIndex (line_idx + 1, file_indexes.front(), found_line, true, &line_entry);
                }
            }
            else
            {
                // We found multiple support files that match "file_spec" so use
                // the line table function that searches for a line entries
                // that match a multiple support file indexes.
                LineEntry line_entry;
                line_idx = line_table->FindLineEntryIndexByFileIndex (0, file_indexes, line, exact, &line_entry);

                // If "exact == true", then "found_line" will be the same
                // as "line". If "exact == false", the "found_line" will be the
                // closest line entry with a line number greater than "line" and 
                // we will use this for our subsequent line exact matches below.
                found_line = line_entry.line;

                while (line_idx != UINT32_MAX)
                {
                    if (resolve_scope == eSymbolContextLineEntry)
                    {
                        sc.line_entry = line_entry;
                    }
                    else
//.........这里部分代码省略.........