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Nasal-Interpreter
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Delete nasal_func_stack.h

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Valk Richard Li 2019-09-26 19:56:32 +08:00 committed by GitHub
parent 589b63284f
commit c4ea37db0a
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1 changed files with 0 additions and 115 deletions
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version0.2/nasal_func_stack.h
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@ -1,115 +0,0 @@
#ifndef __NASAL_FUNC_STACK_H__
#define __NASAL_FUNC_STACK_H__
#include "nasal_functional.h"
struct func_stack_unit
{
std::string func_name;
func func_statement;
func_stack_unit *next;
};
class func_stack
{
private:
func_stack_unit *head;
public:
func_stack()
{
head=new func_stack_unit;
head->func_name="null";
head->next=NULL;
}
~func_stack()
{
func_stack_unit *temp=head;
func_stack_unit *this_node=NULL;
while(temp->next)
{
this_node=temp;
temp=temp->next;
delete this_node;
}
delete temp;
}
void append_function(std::string &function_name,func &temp_func)
{
func_stack_unit *temp=head;
while(temp->next)
{
temp=temp->next;
if(temp->func_name==function_name)
{
std::cout<<"[Error] Redeclaration of function \""<<function_name<<"\""<<std::endl;
return;
}
}
temp->next=new func_stack_unit;
temp=temp->next;
temp->next=NULL;
temp->func_name=function_name;
temp->func_statement=temp_func;
return;
}
// void run_function(std::string &function_name)
// {
// func_stack_unit *temp=head;
// while(temp->next)
// {
// temp=temp->next;
// if(temp->func_name==function_name)
// {
// temp->func_statement.run();
// return;
// }
// }
// std::cout<<"[Error] Could not find this function."<<std::endl;
// return;
// }
void print_function()
{
func_stack_unit *temp=head;
while(temp->next)
{
temp=temp->next;
std::cout<<"function: "<<temp->func_name;
temp->func_statement.print_info();
}
return;
}
void pop_function()
{
func_stack_unit *temp=head;
func_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()
{
func_stack_unit *temp=head->next;
func_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;
}
};
func_stack nasal_func_stack;
#endif