/*
* Returns the contents of the lexer as a token
*/
bool lexer::get_token(token &tok) {
// set appropriate values
tok.set_text(text);
tok.set_type(type);
return true;
}
/*
* Returns the contents at the root
*/
bool syn_tree::get_root_contents(token &tok) {
// check that root token exists
if(!root)
return false;
// set the text & type
tok.set_text(root->get_text());
tok.set_type(root->get_type());
return true;
}
/*
* Returns contents at current token
*/
bool syn_tree::get_contents(token &tok) {
// check that current token exists
if(!cur)
return false;
// set the text & type
tok.set_text(cur->get_text());
tok.set_type(cur->get_type());
return true;
}
/*
* Returns contents of the specified child token of current token
*/
bool syn_tree::get_child_contents(token &tok, unsigned int index) {
// check to make sure child token exists
if(!cur
|| !get_size()
|| index >= get_size())
return false;
// retrieve contents
token *child = cur->get_child(index);
tok.set_text(child->get_text());
tok.set_type(child->get_type());
return true;
}
