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factor
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vm: give factorbug a help command 

Also change the prompt to "> _" instead of "READY\n_" since it's not 1970 anymore
db4
Joe Groff 2011-10-27 20:55:12 -07:00
parent 2d5360778f
commit 23208e5697
2 changed files with 25 additions and 12 deletions
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36
vm/debug.cpp
View File

@ -343,22 +343,18 @@ void factor_vm::dump_code_heap()
std::cout << printer.parameter_size << " bytes used by parameter tables" << std::endl;
}
void factor_vm::factorbug()
void factor_vm::factorbug_usage()
{
if(fep_disabled)
{
std::cout << "Low level debugger disabled" << std::endl;
exit(1);
}
fep_p = true;
std::cout << "Starting low level debugger..." << std::endl;
std::cout << "Basic commands:" << std::endl;
#ifdef WINDOWS
std::cout << " q ^Z -- quit Factor" << std::endl;
#else
std::cout << " q ^D -- quit Factor" << std::endl;
#endif
std::cout << " c -- continue executing Factor - NOT SAFE" << std::endl;
std::cout << " t -- throw exception in Factor - NOT SAFE" << std::endl;
std::cout << " .s .r .c -- print data, retain, call stacks" << std::endl;
std::cout << " help -- reprint this message" << std::endl;
std::cout << "Advanced commands:" << std::endl;
std::cout << " e -- dump environment" << std::endl;
std::cout << " d <addr> <count> -- dump memory" << std::endl;
@ -374,15 +370,29 @@ void factor_vm::factorbug()
std::cout << " push <addr> -- push object on data stack - NOT SAFE" << std::endl;
std::cout << " gc -- trigger full GC - NOT SAFE" << std::endl;
std::cout << " code -- code heap dump" << std::endl;
std::cout << std::endl;
}
void factor_vm::factorbug()
{
if(fep_disabled)
{
std::cout << "Low level debugger disabled" << std::endl;
exit(1);
}
fep_p = true;
std::cout << "Starting low level debugger..." << std::endl;
factorbug_usage();
bool seen_command = false;
for(;;)
{
char cmd[1024];
std::cout << "READY" << std::endl;
std::cout.flush();
std::cout << "> " << std::flush;
std::cin >> std::setw(1024) >> cmd >> std::setw(0);
if(!std::cin.good())
@ -481,6 +491,8 @@ void factor_vm::factorbug()
dump_code_heap();
else if(strcmp(cmd,"gc") == 0)
primitive_full_gc();
else if(strcmp(cmd,"help") == 0)
factorbug_usage();
else
std::cout << "unknown command" << std::endl;
}

1
vm/vm.hpp
View File

@ -383,6 +383,7 @@ struct factor_vm
void find_data_references_step(cell *scan);
void find_data_references(cell look_for_);
void dump_code_heap();
void factorbug_usage();
void factorbug();
void primitive_die();