55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
#include "nasal.h"
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int main()
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{
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std::string command;
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std::cout<<">> nasal-- script by ValKmjolnir"<<std::endl;
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std::cout<<">> input \"help\" to find help."<<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 by ValKmjolnir"<<std::endl;
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std::cout<<">> 1. input file name to run the lexer."<<std::endl;
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std::cout<<">> 2. command \"cls\" to clear the screen."<<std::endl;
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std::cout<<">> 3. command \"exit\" to shut down the program."<<std::endl;
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std::cout<<">> 4. command \"lexer\" to see tokens in stack."<<std::endl;
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std::cout<<">> 5. command \"parser\" to run parser."<<std::endl;
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std::cout<<">> 6. command \"del\" to delete all elements in stack."<<std::endl;
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std::cout<<">> 7. command \"run\" to run the programme in stack."<<std::endl;
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std::cout<<">> 8. command \"rs\" to 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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//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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nasal::PrintSourceFile();
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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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nasal::nasal_lexer.print();
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else if(command=="del")
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{
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nasal::nasal_lexer.delete_all();
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nasal::nasal_parse.stack_set_empty();
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nasal::nasal_var_stack.delete_all();
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nasal::nasal_func_stack.delete_all();
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}
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else if(command=="parser" || command=="run")
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{
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nasal::nasal_parse.parse_work(nasal::nasal_lexer);
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//nasal::nasal_parse.print_stack();
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}
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else
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nasal::RunProcess(command);
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}
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return 0;
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}
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