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HackStudio: Support variable inspection in nested scopes

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Itamar 2020-05-08 10:59:28 +03:00 • committed by Andreas Kling
parent f0cbaf453c
commit 14ee090f25
3 changed files with 10 additions and 22 deletions
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24
Libraries/LibDebug/DebugInfo.cpp
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@ -140,34 +140,18 @@ Optional<u32> DebugInfo::get_instruction_from_source(const String& file, size_t
NonnullOwnPtrVector<DebugInfo::VariableInfo> DebugInfo::get_variables_in_current_scope(const PtraceRegisters& regs) const
{
auto scope = get_scope(regs.eip);
if (!scope.has_value())
return {};
NonnullOwnPtrVector<DebugInfo::VariableInfo> variables;
for (const auto& die_entry : scope.value().dies_of_variables) {
variables.append(create_variable_info(die_entry, regs));
}
return variables;
}
Optional<DebugInfo::VariablesScope> DebugInfo::get_scope(u32 instruction_pointer) const
{
Optional<VariablesScope> best_matching_scope;
// TODO: We can store the scopes in a better data strucutre
for (const auto& scope : m_scopes) {
if (instruction_pointer < scope.address_low || instruction_pointer >= scope.address_high)
if (regs.eip < scope.address_low || regs.eip >= scope.address_high)
continue;
if (!best_matching_scope.has_value()) {
best_matching_scope = scope;
} else if (scope.address_low > best_matching_scope.value().address_low || scope.address_high < best_matching_scope.value().address_high) {
best_matching_scope = scope;
for (const auto& die_entry : scope.dies_of_variables) {
variables.append(create_variable_info(die_entry, regs));
}
}
return best_matching_scope;
return variables;
}
NonnullOwnPtr<DebugInfo::VariableInfo> DebugInfo::create_variable_info(const Dwarf::DIE& variable_die, const PtraceRegisters& regs) const