69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#include "nasal_lexer.h"
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#include "nasal_parser.h"
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#include <iostream>
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#include <cstring>
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int main()
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{
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resource_programme_process prog;
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nasal_lexer lex;
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nasal_parser pas;
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std::string command;
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std::cout<<">> nasal script interpreter by ValKmjolnir"<<std::endl;
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std::cout<<">> input \"help\" to find help."<<std::endl;
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std::cout<<">> Be careful: this interpreter uses strict methods to check if there's an error."<<std::endl;
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std::cout<<" Always add \";\" after each statement (except loop and if-else)."<<std::endl;
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while(1)
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{
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std::cout<<">> ";
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std::getline(std::cin,command);
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if(command=="help")
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{
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std::cout<<">> nasal script interpreter by ValKmjolnir"<<std::endl;
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std::cout<<">> 1. |input file name to load the file."<<std::endl;
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std::cout<<">> 2. \"cls\" |clear the screen."<<std::endl;
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std::cout<<">> 3. \"exit\" |shut down the interpreter."<<std::endl;
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std::cout<<">> 4. \"lexer\" |run and show the lexer. (-lexer)"<<std::endl;
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std::cout<<">> 5. \"parser\"|run parser. (-parser)"<<std::endl;
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std::cout<<">> 6. \"del\" |delete all elements in stack."<<std::endl;
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std::cout<<">> 7. \"run\" |run the programme in stack. (-lexer -parser)"<<std::endl;
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std::cout<<">> 8. \"rs\" |check the source program."<<std::endl;
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}
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else if(command=="cls")
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{
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system("cls");
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//windows system("cls);
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//linux system("clear");
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//macOS system("clear");
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}
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else if(command=="rs")
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prog.print_file();
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else if(command=="exit")
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{
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break;
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}
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else if(command=="lexer")
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{
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lex.lexer_process(prog.use_file());
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lex.print_lexer();
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}
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else if(command=="del")
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{
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prog.del_file();
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std::cout<<">>[Delete] Complete."<<std::endl;
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}
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else if(command=="parser")
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{
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pas.parse_process(lex.return_list(),true);
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}
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else if(command=="run")
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{
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lex.lexer_process(prog.use_file());
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pas.parse_process(lex.return_list(),false);
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}
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else
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prog.input_file(command);
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}
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return 0;
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}
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