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Nasal-Interpreter
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Delete nasal_var_stack.h

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Valk Richard Li 2019-09-25 20:42:40 +08:00 committed by GitHub
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commit 2a59fcf526
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1 changed files with 0 additions and 121 deletions
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version0.1/nasal_var_stack.h
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@ -1,121 +0,0 @@
#ifndef __NASAL_VAR_STACK_H__
#define __NASAL_VAR_STACK_H__
#include "nasal_list.h"
#include "nasal_print.h"
namespace nasal
{
struct var_stack_unit
{
std::string var_name;
var var_detail;
var_stack_unit *next;
};
class var_stack
{
private:
var_stack_unit *head;
public:
var_stack()
{
head=new var_stack_unit;
head->var_name="null";
head->next=NULL;
}
~var_stack()
{
var_stack_unit *temp=head;
var_stack_unit *this_node=NULL;
if(head->next)
{
while(temp->next)
{
this_node=temp;
temp=temp->next;
delete this_node;
}
delete temp;
}
else
delete head;
}
void append_var(std::string &varia_name,var &temp_var)
{
var_stack_unit *temp=head;
while(temp->next)
temp=temp->next;
temp->next=new var_stack_unit;
temp=temp->next;
temp->var_name=varia_name;
temp->var_detail=temp_var;
temp->next=NULL;
}
void print_var()
{
var_stack_unit *temp=head;
while(temp->next)
{
temp=temp->next;
std::cout<<"["<<temp->var_detail.Type<<"]: "<<temp->var_name<<" : ";
if(temp->var_detail.Type!="string")
PrintVar(temp->var_detail);
else
std::cout<<*((std::string *)temp->var_detail.data);
std::cout<<std::endl;
}
return;
}
var SearchVar(std::string varia_name)
{
var temp_var;
temp_var.data=NULL;
temp_var.Type="null";
temp_var.isGlobal=false;
var_stack_unit *temp=head;
while(temp->next)
{
temp=temp->next;
if(temp->var_name==varia_name)
temp_var=temp->var_detail;
}
return temp_var;
}
void pop_var()
{
var_stack_unit *temp=head;
var_stack_unit *end_temp;
if(!head->next)
return;
while(temp->next)
{
end_temp=temp;
temp=temp->next;
}
end_temp->next=NULL;
delete temp;
}
void delete_all()
{
var_stack_unit *temp=head->next;
var_stack_unit *this_node=NULL;
head->next=NULL;
if(!temp)
return;
while(temp->next)
{
this_node=temp;
temp=temp->next;
delete this_node;
}
delete temp;
return;
}
};
}
#endif