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✨ add native function runtime.argv() to get command line arguments

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ValKmjolnir
2022-06-04 20:12:00 +08:00
parent cb0fee04a9
commit a2e2d5d8f6
9 changed files with 67 additions and 22 deletions
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34
main.cpp
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@@ -26,7 +26,7 @@ void help()
<<"nasal <file>\n"
<<"file:\n"
<<" input file name to execute script file.\n\n"
<<"nasal [options...] <file>\n"
<<"nasal [option...] <file> [argv...]\n"
<<"option:\n"
<<" -l, --lex | view token info.\n"
<<" -a, --ast | view abstract syntax tree.\n"
@@ -40,7 +40,9 @@ void help()
<<" | if want to use -op and run, please use -op -e/-t/-o/-d.\n"
<<" -dbg, --debug | debug mode (this will ignore -t -o -d -e).\n"
<<"file:\n"
<<" input file name to execute script file.\n";
<<" input file name to execute script file.\n"
<<"argv:\n"
<<" command line arguments used in program.\n";
}
void logo()
@@ -68,7 +70,7 @@ void err()
std::exit(1);
}
void execute(const std::string& file,const uint32_t cmd)
void execute(const std::string& file,const std::vector<std::string>& argv,const uint32_t cmd)
{
// front end use the same error module
nasal_err nerr;
@@ -103,18 +105,18 @@ void execute(const std::string& file,const uint32_t cmd)
if(cmd&VM_DEBUG)
{
nasal_dbg debugger;
debugger.run(gen,linker);
debugger.run(gen,linker,argv);
}
else if(cmd&VM_EXECTIME)
{
timeb begin,end;
ftime(&begin);
vm.run(gen,linker,cmd&VM_OPCALLNUM,cmd&VM_DBGINFO);
vm.run(gen,linker,argv,cmd&VM_OPCALLNUM,cmd&VM_DBGINFO);
ftime(&end);
std::cout<<"process exited after "<<((end.time-begin.time)*1.0+end.millitm/1000.0-begin.millitm/1000.0)<<"s.\n";
}
else if(cmd&VM_EXEC)
vm.run(gen,linker,cmd&VM_OPCALLNUM,cmd&VM_DBGINFO);
vm.run(gen,linker,argv,cmd&VM_OPCALLNUM,cmd&VM_DBGINFO);
}
int main(int argc,const char* argv[])
@@ -132,7 +134,7 @@ int main(int argc,const char* argv[])
else if(s=="-h" || s=="--help")
help();
else if(s[0]!='-')
execute(s,VM_EXEC);
execute(s,{},VM_EXEC);
else
err();
return 0;
@@ -149,13 +151,25 @@ int main(int argc,const char* argv[])
{"--debug",VM_DEBUG},{"-dbg",VM_DEBUG}
};
uint32_t cmd=0;
for(int i=1;i<argc-1;++i)
bool recog_file=false;
std::string filename;
std::vector<std::string> vm_argv;
for(int i=1;i<argc;++i)
{
if(cmdlst.count(argv[i]))
cmd|=cmdlst[argv[i]];
else if(!recog_file)
{
filename=argv[i];
recog_file=true;
}
else
err();
vm_argv.push_back(argv[i]);
}
execute(argv[argc-1],cmd);
if(!recog_file)
err();
if(!cmd)
cmd|=VM_EXEC;
execute(filename,vm_argv,cmd);
return 0;
}