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ValKmjolnir
2021-08-09 21:30:18 +08:00
parent 90ac468aa9
commit 638ec1c3a3
4 changed files with 415 additions and 415 deletions
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258
main.cpp
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@@ -2,153 +2,153 @@
void help_cmd()
{
std::cout
std::cout
#ifdef _WIN32
<<"use command \'chcp 65001\' if want to use unicode.\n"
<<"use command \'chcp 65001\' if want to use unicode.\n"
#endif
<<"nasal [option]\n"
<<"option:\n"
<<" -h, --help | get help.\n"
<<" -v, --version | get version of nasal interpreter.\n\n"
<<"nasal [file]\n"
<<"file:\n"
<<" input file name to execute script file.\n\n"
<<"nasal [option] [file]\n"
<<"option:\n"
<<" -l, --lex | view token info.\n"
<<" -a, --ast | view abstract syntax tree.\n"
<<" -c, --code | view bytecode.\n"
<<" -e, --exec | execute script file.\n"
<<" -t, --time | execute and get the running time.\n"
<<" -o, --opcnt | count operands while running.\n"
<<"file:\n"
<<" input file name to execute script file.\n";
return;
<<"nasal [option]\n"
<<"option:\n"
<<" -h, --help | get help.\n"
<<" -v, --version | get version of nasal interpreter.\n\n"
<<"nasal [file]\n"
<<"file:\n"
<<" input file name to execute script file.\n\n"
<<"nasal [option] [file]\n"
<<"option:\n"
<<" -l, --lex | view token info.\n"
<<" -a, --ast | view abstract syntax tree.\n"
<<" -c, --code | view bytecode.\n"
<<" -e, --exec | execute script file.\n"
<<" -t, --time | execute and get the running time.\n"
<<" -o, --opcnt | count operands while running.\n"
<<"file:\n"
<<" input file name to execute script file.\n";
return;
}
void logo()
{
std::cout
<<" __ _ \n"
<<" /\\ \\ \\__ _ ___ __ _| | \n"
<<" / \\/ / _` / __|/ _` | | \n"
<<" / /\\ / (_| \\__ \\ (_| | | \n"
<<" \\_\\ \\/ \\__,_|___/\\__,_|_|\n"
<<"nasal interpreter ver 7.0\n"
<<"thanks to : https://github.com/andyross/nasal\n"
<<"code repo : https://github.com/ValKmjolnir/Nasal-Interpreter\n"
<<"code repo : https://gitee.com/valkmjolnir/Nasal-Interpreter\n"
<<"lang info : http://wiki.flightgear.org/Nasal_scripting_language\n"
<<"input \"nasal -h\" to get help .\n";
<<" __ _ \n"
<<" /\\ \\ \\__ _ ___ __ _| | \n"
<<" / \\/ / _` / __|/ _` | | \n"
<<" / /\\ / (_| \\__ \\ (_| | | \n"
<<" \\_\\ \\/ \\__,_|___/\\__,_|_|\n"
<<"nasal interpreter ver 7.0\n"
<<"thanks to : https://github.com/andyross/nasal\n"
<<"code repo : https://github.com/ValKmjolnir/Nasal-Interpreter\n"
<<"code repo : https://gitee.com/valkmjolnir/Nasal-Interpreter\n"
<<"lang info : http://wiki.flightgear.org/Nasal_scripting_language\n"
<<"input \"nasal -h\" to get help .\n";
return;
}
void die(const char* stage,std::string& filename)
{
std::cout<<"["<<stage<<"] in <"<<filename<<">: error(s) occurred,stop.\n";
return;
std::cout<<"["<<stage<<"] in <"<<filename<<">: error(s) occurred,stop.\n";
return;
}
void execute(std::string& file,std::string& command)
{
nasal_lexer lexer;
nasal_parse parse;
nasal_import import;
nasal_codegen codegen;
nasal_vm vm;
lexer.openfile(file);
lexer.scanner();
if(lexer.get_error())
{
die("lexer",file);
return;
}
if(command=="--lex" || command=="-l")
{
lexer.print_token();
return;
}
parse.main_process(lexer.get_token_list());
if(parse.get_error())
{
die("parse",file);
return;
}
if(command=="--ast" || command=="-a")
{
parse.get_root().print_ast(0);
return;
}
// first used file is itself
import.link(parse.get_root(),file);
if(import.get_error())
{
die("import",file);
return;
}
codegen.main_progress(import.get_root(),import.get_file());
if(codegen.get_error())
{
die("codegen",file);
return;
}
if(command=="--code" || command=="-c")
{
codegen.print_byte_code();
return;
}
vm.init(
codegen.get_str_table(),
codegen.get_num_table(),
import.get_file()
);
if(command=="--exec" || command=="-e" || command=="--opcnt" || command=="-o")
vm.run(codegen.get_exec_code(),command=="--opcnt" || command=="-o");
else if(command=="--time" || command=="-t")
{
clock_t begin=clock();
vm.run(codegen.get_exec_code(),false);
std::cout<<"process exited after "<<((double)(clock()-begin))/CLOCKS_PER_SEC<<"s.\n";
}
vm.clear();
return;
nasal_lexer lexer;
nasal_parse parse;
nasal_import import;
nasal_codegen codegen;
nasal_vm vm;
lexer.openfile(file);
lexer.scanner();
if(lexer.get_error())
{
die("lexer",file);
return;
}
if(command=="--lex" || command=="-l")
{
lexer.print_token();
return;
}
parse.main_process(lexer.get_token_list());
if(parse.get_error())
{
die("parse",file);
return;
}
if(command=="--ast" || command=="-a")
{
parse.get_root().print_ast(0);
return;
}
// first used file is itself
import.link(parse.get_root(),file);
if(import.get_error())
{
die("import",file);
return;
}
codegen.main_progress(import.get_root(),import.get_file());
if(codegen.get_error())
{
die("codegen",file);
return;
}
if(command=="--code" || command=="-c")
{
codegen.print_byte_code();
return;
}
vm.init(
codegen.get_str_table(),
codegen.get_num_table(),
import.get_file()
);
if(command=="--exec" || command=="-e" || command=="--opcnt" || command=="-o")
vm.run(codegen.get_exec_code(),command=="--opcnt" || command=="-o");
else if(command=="--time" || command=="-t")
{
clock_t begin=clock();
vm.run(codegen.get_exec_code(),false);
std::cout<<"process exited after "<<((double)(clock()-begin))/CLOCKS_PER_SEC<<"s.\n";
}
vm.clear();
return;
}
int main(int argc,const char* argv[])
{
std::string command,file="null";
if(argc==2 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version")))
logo();
else if(argc==2 && (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help")))
help_cmd();
else if(argc==2 && argv[1][0]!='-')
{
file=argv[1];
command="-e";
execute(file,command);
}
else if(argc==3 &&
(!strcmp(argv[1],"--lex") ||
!strcmp(argv[1],"-l") ||
!strcmp(argv[1],"--ast") ||
!strcmp(argv[1],"-a") ||
!strcmp(argv[1],"--code") ||
!strcmp(argv[1],"-c") ||
!strcmp(argv[1],"--exec") ||
!strcmp(argv[1],"-e") ||
!strcmp(argv[1],"--opcnt")||
!strcmp(argv[1],"-o") ||
!strcmp(argv[1],"--time") ||
!strcmp(argv[1],"-t")))
{
file=argv[2];
command=argv[1];
execute(file,command);
}
else
{
std::cout
<<"invalid argument(s).\n"
<<"use nasal -h to get help.\n";
}
std::string command,file="null";
if(argc==2 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version")))
logo();
else if(argc==2 && (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help")))
help_cmd();
else if(argc==2 && argv[1][0]!='-')
{
file=argv[1];
command="-e";
execute(file,command);
}
else if(argc==3 &&
(!strcmp(argv[1],"--lex") ||
!strcmp(argv[1],"-l") ||
!strcmp(argv[1],"--ast") ||
!strcmp(argv[1],"-a") ||
!strcmp(argv[1],"--code") ||
!strcmp(argv[1],"-c") ||
!strcmp(argv[1],"--exec") ||
!strcmp(argv[1],"-e") ||
!strcmp(argv[1],"--opcnt")||
!strcmp(argv[1],"-o") ||
!strcmp(argv[1],"--time") ||
!strcmp(argv[1],"-t")))
{
file=argv[2];
command=argv[1];
execute(file,command);
}
else
{
std::cout
<<"invalid argument(s).\n"
<<"use nasal -h to get help.\n";
}
return 0;
}