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Finish parser and error recognition

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This commit is contained in:
Valk Richard Li
2019-08-22 17:45:19 +08:00
committed by GitHub
parent acc45909af
commit 794eccbb90
3 changed files with 441 additions and 61 deletions
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version0.5/nasal_interpreter.cpp
+11 -6
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@@ -11,7 +11,7 @@ int main()
std::getline(std::cin,command);
if(command=="help")
{
std::cout<<">> nasal-- script by ValKmjolnir"<<std::endl;
std::cout<<">> nasal script by ValKmjolnir"<<std::endl;
std::cout<<">> 1. |input file name to run the lexer."<<std::endl;
std::cout<<">> 2. \"cls\" |clear the screen."<<std::endl;
std::cout<<">> 3. \"exit\" |shut down the program."<<std::endl;
@@ -43,13 +43,18 @@ int main()
nasal::nasal_var_stack.delete_all();
nasal::nasal_func_stack.delete_all();
}
else if(command=="parser" || command=="run")
else if(command=="parser")
{
nasal::nasal_parse.parse_work(nasal::nasal_lexer);
//nasal::nasal_parse.print_stack();
}
nasal::nasal_parse.print_parser(nasal::nasal_lexer);
nasal::nasal_parse.print_error();
}
else if(command=="run")
{
nasal::nasal_parse.run_parser(nasal::nasal_lexer);
nasal::nasal_parse.print_error();
}
else
nasal::RunProcess(command);
nasal::RunProcess(command);// in this section the lexer is cleaned
}
return 0;
}