xxq250/Nasal-Interpreter
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update parse

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This commit is contained in:
Valk Richard Li
2019-08-10 23:41:39 +08:00
committed by GitHub
parent ff2314cee9
commit 9f23862eae
9 changed files with 512 additions and 309 deletions
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version0.2/nasal_interpreter.cpp
+11 -2
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@@ -10,7 +10,7 @@ int main()
while(1)
{
std::cout<<">> ";
std::cin>>command;
std::getline(std::cin,command);
if(command=="help")
{
std::cout<<">> 1. input file name to run the nasal script."<<std::endl;
@@ -19,6 +19,7 @@ int main()
std::cout<<">> 4. command lexer to see tokens in stack."<<std::endl;
std::cout<<">> 5. command del to delete all elements in stack."<<std::endl;
std::cout<<">> 6. command run to run the programme in stack."<<std::endl;
std::cout<<">> 7. command rs to check the source program."<<std::endl;
}
else if(command=="cls")
{
@@ -26,15 +27,23 @@ int main()
//linux system("clear");
//macOS system("clear");
}
else if(command=="rs")
nasal::PrintSourceFile();
else if(command=="exit")
break;
else if(command=="lexer")
nasal::nasal_lexer.print();
else if(command=="del")
{
nasal::nasal_lexer.delete_all();
nasal::nasal_var_stack.delete_all();
nasal::nasal_func_stack.delete_all();
}
else if(command=="run")
{
;
nasal::nasal_var_stack.delete_all();
nasal::nasal_func_stack.delete_all();
nasal::nasal_parse.total_run(nasal::nasal_lexer);
}
else
nasal::RunProcess(command);