Nasal-Interpreter/version0.5/nasal_token.cpp

109 lines
2.1 KiB
C++

#ifndef __NASAL_TOKEN_CPP__
#define __NASAL_TOKEN_CPP__
#include "nasal_token.h"
#include "nasal_var_stack.h"
#include "nasal_func_stack.h"
token_list::token_list()
{
list_range=0;
head=new token_unit;
head->type=FUNC_BEGIN;
head->content="__process_begin";
head->line=0;
head->next=NULL;
}
token_list::~token_list()
{
token_unit *temp=head;
token_unit *this_node=NULL;
while(temp->next)
{
this_node=temp;
temp=temp->next;
delete this_node;
}
delete temp;
}
token_unit* token_list::get_head()
{
return head;
}
int token_list::get_list_range()
{
return list_range;
}
void token_list::print_line_token(const int _line)
{
std::cout<<"line "<<_line<<": ";
token_unit *temp=head;
while(temp->next)
{
temp=temp->next;
if(temp->line==_line)
std::cout<<temp->content<<" ";
else if(temp->line>_line)
break;
}
std::cout<<std::endl;
return;
}
void token_list::delete_all()
{
if(!head->next)
return;
token_unit *temp=head;
token_unit *this_node=NULL;
temp=temp->next;
head->next=NULL;
while(temp->next)
{
this_node=temp;
temp=temp->next;
delete this_node;
}
delete temp;
return;
}
void token_list::append(const int _line,const int _type,std::string &_content)
{
token_unit *temp=head;
while(temp->next)
temp=temp->next;
++list_range;
temp->next=new token_unit;
temp=temp->next;
temp->next=NULL;
temp->type=_type;
temp->line=_line;
temp->content=_content;
return;
}
void token_list::print()
{
token_unit *temp=head;
std::cout<<"line "<<temp->line<<": "<<"( ProcessBegin | "<<temp->content<<" )"<<std::endl;
if(!head->next)
return;
while(temp->next)
{
temp=temp->next;
std::cout<<"line "<<temp->line<<": ";
if(temp->type==OPERATOR)
std::cout<<"( Operator | ";
else if(temp->type==IDENTIFIER)
std::cout<<"( Identifier | ";
else if(temp->type==NUMBER)
std::cout<<"( Number | ";
else if(temp->type==RESERVEWORD)
std::cout<<"( ReserveWord | ";
else if(temp->type==STRING)
std::cout<<"( String | ";
std::cout<<temp->content<<" )"<<std::endl;
}
return;
}
#endif