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Finished part of AST

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This commit is contained in:
Valk Richard Li
2019-10-12 21:51:03 +08:00
committed by GitHub
parent 3732fa7a68
commit dffb943c3f
2 changed files with 32 additions and 23 deletions
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version1.0/ast.h
+18 -14
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@@ -58,42 +58,40 @@ class abstract_syntax_tree
void print_ast_node(int tab_num)
{
for(int i=0;i<tab_num;++i)
std::cout<<" ";
std::cout<<" ";
if(ast_node_type==__number)
{
std::cout<<"[ Number:";
std::cout<<"[Number:";
std::cout<<var_number;
std::cout<<" ]"<<std::endl;
std::cout<<"]"<<std::endl;
return;
}
else if(ast_node_type==__string)
{
std::cout<<"[ String:"<<var_string<<" ]"<<std::endl;
std::cout<<"[String:"<<var_string<<"]"<<std::endl;
return;
}
std::cout<<"{ [ Type:";
std::cout<<"{ [Type:";
print_token(ast_node_type);
std::cout<<" ]"<<std::endl;
std::cout<<"]"<<std::endl;
if(!children.empty())
{
for(int i=0;i<tab_num;++i)
std::cout<<" ";
std::cout<<"[ Children ]"<<std::endl;
std::cout<<" ";
std::cout<<" [Children]"<<std::endl;
for(std::list<abstract_syntax_tree>::iterator i=children.begin();i!=children.end();++i)
i->print_ast_node(tab_num+1);
std::cout<<std::endl;
}
if(!statement_list.empty())
{
for(int i=0;i<tab_num;++i)
std::cout<<" ";
std::cout<<"[ Statement(s) ]"<<std::endl;
std::cout<<" ";
std::cout<<" [Statement(s)]"<<std::endl;
for(std::list<abstract_syntax_tree>::iterator i=statement_list.begin();i!=statement_list.end();++i)
i->print_ast_node(tab_num+1);
std::cout<<std::endl;
}
for(int i=0;i<tab_num;++i)
std::cout<<" ";
std::cout<<" ";
std::cout<<"}"<<std::endl;
return;
}
@@ -106,11 +104,17 @@ class abstract_syntax_tree
// for definition
void set_definition_expr(std::string& name,abstract_syntax_tree var_content)
{
ast_node_type=__var;
ast_node_type=__definition;
id_name=name;
children.push_back(var_content);
return;
}
// for assignment
void set_assignment_expr()
{
ast_node_type=__assignment;
return;
}
// for if
void set_if_expr(abstract_syntax_tree condition,abstract_syntax_tree statements)
{