90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
#ifndef __NASAL_VAR_CPP__
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#define __NASAL_VAR_CPP__
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var::var()
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{
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ptr=NULL;
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type=var_null;
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}
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var::var(const var& temp)
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{
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switch(temp.type)
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{
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case var_null:ptr=NULL;break;
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case var_number:ptr=new double;*((double*)ptr)=*((double*)temp.ptr);break;
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case var_string:ptr=new std::string;*((std::string*)ptr)=*((std::string*)temp.ptr);break;
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case var_list:ptr=new nasal_list;*((nasal_list*)ptr)=*((nasal_list*)temp.ptr);break;
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case var_hash:ptr=new nasal_hash;*((nasal_hash*)ptr)=*((nasal_hash*)temp.ptr);break;
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case var_function:ptr=new nasal_function;*((nasal_function*)ptr)=*((nasal_function*)temp.ptr);break;
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}
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type=temp.type;
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}
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var::~var()
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{
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switch(type)
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{
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case var_null:break;
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case var_number:delete (double*)ptr;break;
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case var_string:delete (std::string*)ptr;break;
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case var_list:delete (nasal_list*)ptr;break;
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case var_hash:delete (nasal_hash*)ptr;break;
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case var_function:delete (nasal_function*)ptr;break;
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}
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}
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var& var::operator=(const var& temp)
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{
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if(ptr)
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{
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switch(type)
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{
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case var_null:break;
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case var_number:delete (double*)ptr;break;
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case var_string:delete (std::string*)ptr;break;
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case var_list:delete (nasal_list*)ptr;break;
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case var_hash:delete (nasal_hash*)ptr;break;
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case var_function:delete (nasal_function*)ptr;break;
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}
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}
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switch(temp.type)
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{
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case var_null:ptr=NULL;break;
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case var_number:ptr=new double;*((double*)ptr)=*((double*)temp.ptr);break;
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case var_string:ptr=new std::string;*((std::string*)ptr)=*((std::string*)temp.ptr);break;
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case var_list:ptr=new nasal_list;*((nasal_list*)ptr)=*((nasal_list*)temp.ptr);break;
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case var_hash:ptr=new nasal_hash;*((nasal_hash*)ptr)=*((nasal_hash*)temp.ptr);break;
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case var_function:ptr=new nasal_function;*((nasal_function*)ptr)=*((nasal_function*)temp.ptr);break;
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}
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type=temp.type;
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return *this;
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}
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nasal_list::nasal_list()
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{
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elem.clear();
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}
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nasal_list::nasal_list(const nasal_list& temp)
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{
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elem=temp.elem;
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}
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nasal_hash::nasal_hash()
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{
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elem.clear();
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elem_name.clear();
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}
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nasal_hash::nasal_hash(const nasal_hash& temp)
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{
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elem=temp.elem;
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elem_name=temp.elem_name;
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}
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nasal_function::nasal_function()
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{
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root.clear();
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}
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nasal_function::nasal_function(const nasal_function& temp)
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{
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root=temp.root;
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}
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#endif
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