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Debugger: Repeat previous command when an empty command is entered

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This commit is contained in:
Itamar 2020-04-13 18:09:24 +03:00 • committed by Andreas Kling
parent 312559b131
commit 109c24ae97
1 changed files with 17 additions and 3 deletions
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20
Applications/Debugger/main.cpp
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@ -205,6 +205,8 @@ int main(int argc, char** argv)
bool rc = g_debug_session->insert_breakpoint(g_debug_session->elf().entry().as_ptr()); bool rc = g_debug_session->insert_breakpoint(g_debug_session->elf().entry().as_ptr());
ASSERT(rc); ASSERT(rc);
String previous_command;
g_debug_session->run([&](DebugSession::DebugBreakReason reason, Optional<PtraceRegisters> optional_regs) { g_debug_session->run([&](DebugSession::DebugBreakReason reason, Optional<PtraceRegisters> optional_regs) {
if (reason == DebugSession::DebugBreakReason::Exited) { if (reason == DebugSession::DebugBreakReason::Exited) {
printf("Program exited.\n"); printf("Program exited.\n");
@ -219,12 +221,18 @@ int main(int argc, char** argv)
for (;;) { for (;;) {
auto command = get_command(); auto command = get_command();
bool success = false; bool success = false;
Optional<DebugSession::DebugDecision> decision;
if (command.is_empty() && !previous_command.is_empty()) {
command = previous_command;
}
if (command == "cont") { if (command == "cont") {
return DebugSession::DebugDecision::Continue; decision = DebugSession::DebugDecision::Continue;
success = true;
} }
if (command == "s") { if (command == "s") {
return DebugSession::DebugDecision::SingleStep; decision = DebugSession::DebugDecision::SingleStep;
success = true;
} }
if (command == "regs") { if (command == "regs") {
@ -238,8 +246,14 @@ int main(int argc, char** argv)
success = handle_breakpoint_command(command); success = handle_breakpoint_command(command);
} }
if (!success) if (success && !command.is_empty()) {
previous_command = command;
}
if (!success) {
print_help(); print_help();
} }
if (decision.has_value())
return decision.value();
}
}); });
} }