Nasal-Interpreter/version0.1/nasal_print.h

86 lines
1.7 KiB
C++

#ifndef __NASAL_PRINT_H__
#define __NASAL_PRINT_H__
#include<iostream>
#include<cstring>
#include "nasal_hash.cpp"
#include "nasal_list.cpp"
namespace nasal
{
void PrintString(std::string &PrintInfo)
{
for(int i=0;i<(int)PrintInfo.length();++i)
{
if(PrintInfo[i]=='\\' && i+1<(int)PrintInfo.length())
{
switch(PrintInfo[i+1])
{
case 'n':
std::cout<<"\n";
++i;
break;
case 't':
std::cout<<"\t";
++i;
break;
case 'r':
std::cout<<"\r";
++i;
break;
case '\\':
std::cout<<"\\";
++i;
break;
case '\'':
std::cout<<"\'";
++i;
break;
case '\"':
std::cout<<"\"";
++i;
break;
default:
//error occurred
std::cout<<"[Error]: Incorrect escape character \'"<<PrintInfo[i]<<PrintInfo[i+1]<<"\' .";
++i;
break;
}
}
else if(PrintInfo[i]=='\\' && i+1>=(int)PrintInfo.length())
{
//error occurred
std::cout<<"[Error]: Missing character after \'\\\'";
}
else
std::cout<<PrintInfo[i];
}
return;
}
void PrintVar(var Var)
{
if(Var.Type=="int")
std::cout<<*((int *)Var.data);
else if(Var.Type=="long long int")
std::cout<<*((long long int *)Var.data);
else if(Var.Type=="float")
std::cout<<*((float *)Var.data);
else if(Var.Type=="double")
std::cout<<*((double *)Var.data);
else if(Var.Type=="char")
std::cout<<*((char *)Var.data);
else if(Var.Type=="string")
PrintString(*((std::string *)Var.data));
else if(Var.Type=="array")
((NasalList *)Var.data)->PrintList();
else if(Var.Type=="hash")
((NasalHash *)Var.data)->PrintHash();
else
std::cout<<"null";
}
}
#endif