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Nasal-Interpreter
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Valk Richard Li 2019-08-22 18:25:21 +08:00 committed by GitHub
parent c088438896
commit cd46d8eaf8
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3 changed files with 8 additions and 7 deletions
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7
version0.5/nasal_interpreter.cpp
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@ -12,13 +12,13 @@ int main()
if(command=="help")
{
std::cout<<">> nasal script by ValKmjolnir"<<std::endl;
std::cout<<">> 1. |input file name to run the lexer."<<std::endl;
std::cout<<">> 1. |input file name to run the lexer. (-lexer)"<<std::endl;
std::cout<<">> 2. \"cls\" |clear the screen."<<std::endl;
std::cout<<">> 3. \"exit\" |shut down the program."<<std::endl;
std::cout<<">> 4. \"lexer\" |see tokens in stack."<<std::endl;
std::cout<<">> 5. \"parser\"|run parser."<<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."<<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")
@ -42,6 +42,7 @@ int main()
nasal::nasal_parse.stack_set_empty();
nasal::nasal_var_stack.delete_all();
nasal::nasal_func_stack.delete_all();
std::cout<<">>[Delete] Complete."<<std::endl;
}
else if(command=="parser")
{

4
version0.5/nasal_lexer.h
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@ -243,7 +243,7 @@ void RunProcess(std::string &FileName)
std::ifstream fin(FileName);
if(fin.fail())
{
std::cout<<"[Error] Failed to load file: "<<FileName<<std::endl;
std::cout<<">>[Error] Failed to load file: "<<FileName<<std::endl;
fin.close();
return;
}
@ -261,7 +261,7 @@ void RunProcess(std::string &FileName)
nasal_lexer.append(line,Syn,token);
}
//nasal_lexer.print(); //for debug mode
std::cout<<">> Complete scanning \""<<FileName<<"\"."<<std::endl;
std::cout<<">>[Lexer] Complete scanning \""<<FileName<<"\"."<<std::endl;
return;
}

4
version0.5/nasal_parse.h
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@ -1381,7 +1381,7 @@ void parse::print_error()
}
if(!temp_stack.empty())
{
std::cout<<">>[Error]: Parse error."<<std::endl;
std::cout<<">>[Error] Parse error."<<std::endl;
while(!temp_stack.empty())
{
int l=temp_stack.top().line;
@ -1398,7 +1398,7 @@ void parse::print_error()
}
}
else
std::cout<<">> Parse analysis complete."<<std::endl;
std::cout<<">>[Parser] Parse analysis complete."<<std::endl;
return;
}