From 4470c8e787cd67824647b5d0a80137892fbe2d06 Mon Sep 17 00:00:00 2001
From: Valk Richard Li <48872266+ValKmjolnir@users.noreply.github.com>
Date: Thu, 8 Aug 2019 17:52:59 +0800
Subject: [PATCH] finish functions

---
 version0.2/nasal_functional.cpp | 84 ++++++++++++++++++++++++++++++++-
 1 file changed, 82 insertions(+), 2 deletions(-)

diff --git a/version0.2/nasal_functional.cpp b/version0.2/nasal_functional.cpp
index 643a505..89ddcd3 100644
--- a/version0.2/nasal_functional.cpp
+++ b/version0.2/nasal_functional.cpp
@@ -18,14 +18,94 @@ func::func()
 }
 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->param_var=temp_param->param_var;
+		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;
+	token_unit *temp_state=temp.statement_head;
+	parameter *parameter_temp=parameter_head;
+	parameter *temp_param=temp.parameter_head;
+	
+	token_unit *statement_last=NULL;
+	parameter *parameter_last=NULL;
+	while(statement_temp->next)
+	{
+		statement_last=statement_temp;
+		statement_temp=statement_temp->next;
+		delete statement_last;
+	}
+	delete statement_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->param_var=temp_param->param_var;
+		parameter_temp->next=NULL;
+	}
 	return *this;
 }