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Nasal-Interpreter
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Delete nasal_func.cpp

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Valk Richard Li 2019-09-27 22:40:03 +08:00 committed by GitHub
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commit 6e5194d36c
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version0.3/nasal_func.cpp
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@ -1,174 +0,0 @@
#ifndef __NASAL_FUNC_CPP__
#define __NASAL_FUNC_CPP__
#include "nasal_func.h"
func::func()
{
statement_head=new token_unit;
statement_head->line=0;
statement_head->type=FUNC_BEGIN;
statement_head->content="__func_begin";
statement_head->next=NULL;
parameter_head=new parameter;
parameter_head->param_var.type=VAR_NONE;
parameter_head->param_var.data=NULL;
parameter_head->var_name="__null_var";
parameter_head->next=NULL;
}
func::func(const func& temp)
{
token_unit *statement_temp=statement_head;
token_unit *temp_state=temp.statement_head;
parameter *parameter_temp=parameter_head;
parameter *temp_param=temp.parameter_head;
while(temp_state->next)
{
temp_state=temp_state->next;
statement_temp->next=new token_unit;
statement_temp=statement_temp->next;
statement_temp->line=temp_state->line;
statement_temp->content=temp_state->content;
statement_temp->type=temp_state->type;
statement_temp->next=NULL;
}
while(temp_param->next)
{
temp_param=temp_param->next;
parameter_temp->next=new parameter;
parameter_temp=parameter_temp->next;
parameter_temp->param_var=temp_param->param_var;
parameter_temp->var_name=temp_param->var_name;
parameter_temp->next=NULL;
}
}
func::~func()
{
token_unit *statement_temp=statement_head;
token_unit *statement_last_unit=NULL;
parameter *parameter_temp=parameter_head;
parameter *parameter_last_unit=NULL;
while(statement_temp->next)
{
statement_last_unit=statement_temp;
statement_temp=statement_temp->next;
delete statement_last_unit;
}
delete statement_temp;
while(parameter_temp->next)
{
parameter_last_unit=parameter_temp;
parameter_temp=parameter_temp->next;
delete parameter_last_unit;
}
delete parameter_temp;
}
func& func::operator=(const func& temp)
{
token_unit *statement_temp=statement_head->next;
token_unit *temp_state=temp.statement_head;
parameter *parameter_temp=parameter_head->next;
parameter *temp_param=temp.parameter_head;
token_unit *statement_last=NULL;
parameter *parameter_last=NULL;
if(statement_temp)
{
while(statement_temp->next)
{
statement_last=statement_temp;
statement_temp=statement_temp->next;
delete statement_last;
}
delete statement_temp;
}
if(parameter_temp)
{
while(parameter_temp->next)
{
parameter_last=parameter_temp;
parameter_temp=parameter_temp->next;
delete parameter_last;
}
delete parameter_temp;
}
statement_head->next=NULL;
parameter_head->next=NULL;
statement_temp=statement_head;
parameter_temp=parameter_head;
while(temp_state->next)
{
temp_state=temp_state->next;
statement_temp->next=new token_unit;
statement_temp=statement_temp->next;
statement_temp->line=temp_state->line;
statement_temp->content=temp_state->content;
statement_temp->type=temp_state->type;
statement_temp->next=NULL;
}
while(temp_param->next)
{
temp_param=temp_param->next;
parameter_temp->next=new parameter;
parameter_temp=parameter_temp->next;
parameter_temp->param_var=temp_param->param_var;
parameter_temp->var_name=temp_param->var_name;
parameter_temp->next=NULL;
}
return *this;
}
void func::append_var(std::string& varia_name,var& p)
{
parameter *parameter_temp=parameter_head;
while(parameter_temp->next)
{
parameter_temp=parameter_temp->next;
if(parameter_temp->var_name==varia_name)
{
std::cout<<"[Error] Redefinition of var \""<<varia_name<<"\" ."<<std::endl;
return;
}
}
parameter_temp->next=new parameter;
parameter_temp=parameter_temp->next;
parameter_temp->param_var=p;
parameter_temp->var_name=varia_name;
parameter_temp->next=NULL;
return;
}
void func::append_token(const int _line,const int _type,std::string &_content)
{
token_unit *statement_temp=statement_head;
while(statement_temp->next)
statement_temp=statement_temp->next;
statement_temp->next=new token_unit;
statement_temp=statement_temp->next;
statement_temp->line=_line;
statement_temp->type=_type;
statement_temp->content=_content;
statement_temp->next=NULL;
return;
}
void func::print_info()
{
parameter *para_temp=parameter_head;
token_unit *token_temp=statement_head;
std::cout<<"\n\t[parameter] :";
while(para_temp->next)
{
para_temp=para_temp->next;
std::cout<<para_temp->var_name<<" ";
}
std::cout<<"\n\t[statement] :";
while(token_temp->next)
{
token_temp=token_temp->next;
std::cout<<token_temp->content<<" ";
}
std::cout<<std::endl;
return;
}
#endif