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HackStudio: Implement "Step Over" debugging action

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The "Step Over" action continues execution without stepping into
instructions in subsequent function calls.
This commit is contained in:
Itamar 2020-08-21 16:48:42 +03:00 • committed by Andreas Kling
parent 99788e6b32
commit 5c494eefd6
7 changed files with 75 additions and 13 deletions
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31
Libraries/LibDebug/DebugInfo.cpp
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@ -138,7 +138,7 @@ Optional<DebugInfo::SourcePosition> DebugInfo::get_source_position(u32 target_ad
// TODO: We can do a binray search here
for (size_t i = 0; i < m_sorted_lines.size() - 1; ++i) {
if (m_sorted_lines[i + 1].address > target_address) {
return Optional<SourcePosition>({ m_sorted_lines[i].file, m_sorted_lines[i].line, m_sorted_lines[i].address });
return SourcePosition::from_line_info(m_sorted_lines[i]);
}
}
return {};
@ -300,11 +300,38 @@ OwnPtr<DebugInfo::VariableInfo> DebugInfo::create_variable_info(const Dwarf::DIE
}
String DebugInfo::name_of_containing_function(u32 address) const
{
auto function = get_containing_function(address);
if (!function.has_value())
return {};
return function.value().name;
}
Optional<DebugInfo::VariablesScope> DebugInfo::get_containing_function(u32 address) const
{
for (const auto& scope : m_scopes) {
if (!scope.is_function || address < scope.address_low || address >= scope.address_high)
continue;
return scope.name;
return scope;
}
return {};
}
Vector<DebugInfo::SourcePosition> DebugInfo::source_lines_in_scope(const VariablesScope& scope) const
{
Vector<DebugInfo::SourcePosition> source_lines;
for (const auto& line : m_sorted_lines) {
if (line.address < scope.address_low)
continue;
if (line.address >= scope.address_high)
break;
source_lines.append(SourcePosition::from_line_info(line));
}
return source_lines;
}
DebugInfo::SourcePosition DebugInfo::SourcePosition::from_line_info(const LineProgram::LineInfo& line)
{
return { line.file, line.line, line.address };
}