floraachy/Nasal-Interpreter
1
0
Fork 0
forked from xxq250/Nasal-Interpreter
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update

Browse Source
This commit is contained in:
Valk Richard Li
2020-06-09 02:13:54 -07:00
committed by GitHub
parent 57f99e9af3
commit f23d124d4c
7 changed files with 407 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
version3.0/main.cpp
View File

@@ -1,5 +1,26 @@
#include "nasal.h"
nasal_resource resource;
nasal_lexer lexer;
nasal_parse parse;
std::string command;
void help()
{
std::cout<<">> [\'file\'] input a file."<<std::endl;
std::cout<<">> [cls ] clear the screen."<<std::endl;
std::cout<<">> [del ] clear the resource code."<<std::endl;
std::cout<<">> [lib ] add lib file."<<std::endl;
std::cout<<">> [rs ] print resource code."<<std::endl;
std::cout<<">> [lex ] turn code into tokens."<<std::endl;
std::cout<<">> [par ] turn tokens into abstract syntax tree."<<std::endl;
std::cout<<">> [ast ] check the abstract syntax tree."<<std::endl;
std::cout<<">> [run ] run code."<<std::endl;
std::cout<<">> [logo ] print logo of nasal ."<<std::endl;
std::cout<<">> [exit ] quit nasal interpreter."<<std::endl;
return;
}
void logo()
{
std::cout<<" __ _ "<<std::endl;
@@ -10,9 +31,26 @@ void logo()
return;
}
nasal_resource resource;
nasal_lexer lexer;
std::string command;
void lex_func()
{
lexer.scanner(resource.get_file());
if(!lexer.get_error()) lexer.print_token();
else std::cout<<">> [lexer] error occurred,stop.\n";
return;
}
void par_func()
{
lexer.scanner(resource.get_file());
if(!lexer.get_error())
{
parse.set_toklist(lexer.get_token_list());
if(parse.get_error()) std::cout<<">> [parse] error occurred,stop.\n";
}
else std::cout<<">> [lexer] error occurred,stop.\n";
return;
}
int main()
{
#ifdef _WIN32
@@ -39,19 +77,7 @@ int main()
std::cout<<">> ";
std::cin>>command;
if(command=="help")
{
std::cout<<">> [\'file\'] input a file."<<std::endl;
std::cout<<">> [cls ] clear the screen."<<std::endl;
std::cout<<">> [del ] clear the resource code."<<std::endl;
std::cout<<">> [lib ] add lib file."<<std::endl;
std::cout<<">> [rs ] print resource code."<<std::endl;
std::cout<<">> [lex ] turn code into tokens."<<std::endl;
std::cout<<">> [par ] turn tokens into abstract syntax tree."<<std::endl;
std::cout<<">> [ast ] check the abstract syntax tree."<<std::endl;
std::cout<<">> [run ] run code."<<std::endl;
std::cout<<">> [logo ] print logo of nasal ."<<std::endl;
std::cout<<">> [exit ] quit nasal interpreter."<<std::endl;
}
help();
else if(command=="cls")
{
#ifdef _WIN32
@@ -67,6 +93,8 @@ int main()
else if(command=="del")
{
resource.delete_file();
lexer.delete_tokens();
parse.clear();
std::cout<<">> [Delete] complete."<<std::endl;
}
else if(command=="lib")
@@ -74,17 +102,9 @@ int main()
else if(command=="rs")
resource.print_file();
else if(command=="lex")
{
lexer.scanner(resource.get_file());
if(!lexer.get_error())
lexer.print_token();
else
std::cout<<">> [lexer] error occurred,stop.\n";
}
lex_func();
else if(command=="par")
{
;
}
par_func();
else if(command=="ast")
{
;