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Manage cmdline

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This commit is contained in:
Louis RUBET 2014-09-03 14:03:19 +02:00
parent 2c859363f2
commit d0947b73a0
2 changed files with 42 additions and 9 deletions
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3
src/rpn-general.h
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@ -18,6 +18,9 @@ void verbose()
void help()
{
cout<<"rpn - HP28S reverse polish notation language simulator"<<endl;
cout<<"syntax: rpn [command]"<<endl;
cout<<"with optional command = list of commands"<<endl;
for(unsigned int i=0; i<sizeof(_keywords)/sizeof(_keywords[0]); i++)
if (_keywords[i].comment.size() != 0)
cout<<_keywords[i].name<<"\t"<<_keywords[i].comment<<endl;

48
src/rpn.cpp
View file

@ -697,24 +697,54 @@ int _tmain(int argc, _TCHAR* argv[])
{
heap hp;
stack st;
int ret = 0;
//
cout << setprecision(16);
//
for (;;)
// run with interactive prompt
if (argc == 1)
{
program prog;
if (program::entry(prog) == ret_good_bye)
break;
else
//
for (;;)
{
if (prog.run(st, hp) == ret_good_bye)
// make program from interactive entry
program prog;
if (program::entry(prog) == ret_good_bye)
break;
else
program::show_stack(st);
{
// run it
if (prog.run(st, hp) == ret_good_bye)
break;
else
program::show_stack(st);
}
}
}
// run with cmd line arguments
else
{
program prog;
string entry;
int i;
// entry
for (i=1; i<argc; i++)
{
entry += argv[i];
entry += ' ';
}
// make program
ret = program::parse(entry, prog);
if (ret == ret_ok)
{
// run it
ret = prog.run(st, hp);
program::show_stack(st);
}
}
return 0;
return ret;
}