xxq250/Nasal-Interpreter
1
0
Fork 1
mirror of https://github.com/ValKmjolnir/Nasal-Interpreter.git synced 2026-07-26 21:08:45 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

avoid unnecessary deep copy by using rvalue ref

Browse Source 
and test file update.
bug fixed in test/lexer.nas
This commit is contained in:
ValKmjolnir
2021-06-24 22:10:08 +08:00
parent fd57e9a47c
commit 3c9a10d710
17 changed files with 212 additions and 311 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nasal_ast.h
+27 -6
View File
@@ -57,10 +57,12 @@ public:
nasal_ast(){line=0;type=ast_null;}
nasal_ast(int l,int t){line=l;type=t;}
nasal_ast(const nasal_ast&);
nasal_ast& operator=(const nasal_ast&);
nasal_ast(nasal_ast&&);
nasal_ast& operator=(const nasal_ast&);
nasal_ast& operator=(nasal_ast&&);
void print_ast(int);
void clear();
void add_child(nasal_ast ast){children.push_back(ast);}
void add_child(nasal_ast&& ast){children.push_back(std::move(ast));}
void set_line(int l){line=l;}
void set_type(int t){type=t;}
void set_str(std::string& s){str=s;}
@@ -82,6 +84,16 @@ nasal_ast::nasal_ast(const nasal_ast& tmp)
return;
}
nasal_ast::nasal_ast(nasal_ast&& tmp)
{
line=tmp.line;
type=tmp.type;
str.swap(tmp.str);
num =tmp.num;
children.swap(tmp.children);
return;
}
nasal_ast& nasal_ast::operator=(const nasal_ast& tmp)
{
line=tmp.line;
@@ -92,6 +104,16 @@ nasal_ast& nasal_ast::operator=(const nasal_ast& tmp)
return *this;
}
nasal_ast& nasal_ast::operator=(nasal_ast&& tmp)
{
line=tmp.line;
type=tmp.type;
str.swap(tmp.str);
num=tmp.num;
children.swap(tmp.children);
return *this;
}
void nasal_ast::clear()
{
line=0;
@@ -104,11 +126,10 @@ void nasal_ast::clear()
void nasal_ast::print_ast(int depth)
{
std::string indentation="";
for(int i=0;i<depth;++i)
indentation+="| ";
std::cout<<indentation<<ast_name[type];
if(type==ast_str || type==ast_id || type==ast_dynamic_id || type==ast_callh)
std::cout<<"| ";
std::cout<<ast_name[type];
if(type==ast_str || type==ast_id || type==ast_default_arg || type==ast_dynamic_id || type==ast_callh)
std::cout<<":"<<str;
else if(type==ast_num)
std::cout<<":"<<num;