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Nasal-Interpreter
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finish functions

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Valk Richard Li 2019-08-08 17:52:59 +08:00 committed by GitHub
parent d4fc784ba4
commit 4470c8e787
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1 changed files with 82 additions and 2 deletions
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84
version0.2/nasal_functional.cpp
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@ -18,14 +18,94 @@ func::func()
} }
func::func(const func& temp) 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() 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) 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; return *this;
} }