Delete main.cpp

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Valk Richard Li 2019-09-30 20:09:05 +08:00 committed by GitHub
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commit 1c540a779b
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#include "nasal_lexer.h"
#include "nasal_parser.h"
#include <iostream>
#include <cstring>
int main()
{
resource_programme_process prog;
nasal_lexer lex;
nasal_parser pas;
std::string command;
std::cout<<">> Nasal interpreter by ValKmjolnir"<<std::endl;
std::cout<<">> input [help] to find help."<<std::endl;
while(1)
{
std::cout<<">> ";
std::getline(std::cin,command);
if(command=="help")
{
std::cout<<">> Nasal interpreter by ValKmjolnir"<<std::endl;
std::cout<<">> 1. [ ] |input file name to load the file."<<std::endl;
std::cout<<">> 2. [cls ] |clear the screen."<<std::endl;
std::cout<<">> 3. [exit ] |shut down the interpreter."<<std::endl;
std::cout<<">> 4. [lexer ] |run and show the lexer. (-lexer)"<<std::endl;
std::cout<<">> 5. [parser] |run parser. (-parser)"<<std::endl;
std::cout<<">> 6. [del ] |delete all elements in stack."<<std::endl;
std::cout<<">> 7. [run ] |run the programme in stack. (-lexer -parser)"<<std::endl;
std::cout<<">> 8. [rs ] |check the source program."<<std::endl;
}
else if(command=="cls")
{
system("cls");
//windows system("cls);
//linux system("clear");
//macOS system("clear");
}
else if(command=="rs")
prog.print_file();
else if(command=="exit")
{
break;
}
else if(command=="lexer")
{
lex.lexer_process(prog.use_file());
lex.print_lexer();
}
else if(command=="del")
{
prog.del_file();
std::cout<<">>[Delete] Complete."<<std::endl;
}
else if(command=="parser")
{
pas.parse_process(lex.return_list(),true);
}
else if(command=="run")
{
lex.lexer_process(prog.use_file());
pas.parse_process(lex.return_list(),false);
}
else
prog.input_file(command);
}
return 0;
}