#ifndef SASS_CHECK_NESTING_H
#define SASS_CHECK_NESTING_H
#include "ast.hpp"
#include "operation.hpp"
namespace Sass {
class CheckNesting : public Operation_CRTP<Statement_Ptr, CheckNesting> {
std::vector<Statement_Ptr> parents;
Statement_Ptr parent;
Definition_Ptr current_mixin_definition;
Statement_Ptr fallback_impl(Statement_Ptr);
Statement_Ptr before(Statement_Ptr);
Statement_Ptr visit_children(Statement_Ptr);
public:
CheckNesting();
~CheckNesting() { }
Statement_Ptr operator()(Block_Ptr);
Statement_Ptr operator()(Definition_Ptr);
template <typename U>
Statement_Ptr fallback(U x) {
Statement_Ptr n = Cast<Statement>(x);
if (this->should_visit(n)) {
return fallback_impl(n);
}
return NULL;
}
private:
void invalid_content_parent(Statement_Ptr);
void invalid_charset_parent(Statement_Ptr);
void invalid_extend_parent(Statement_Ptr);
// void invalid_import_parent(Statement_Ptr);
void invalid_mixin_definition_parent(Statement_Ptr);
void invalid_function_parent(Statement_Ptr);
void invalid_function_child(Statement_Ptr);
void invalid_prop_child(Statement_Ptr);
void invalid_prop_parent(Statement_Ptr);
void invalid_return_parent(Statement_Ptr);
bool is_transparent_parent(Statement_Ptr, Statement_Ptr);
bool should_visit(Statement_Ptr);
bool is_charset(Statement_Ptr);
bool is_mixin(Statement_Ptr);
bool is_function(Statement_Ptr);
bool is_root_node(Statement_Ptr);
bool is_at_root_node(Statement_Ptr);
bool is_directive_node(Statement_Ptr);
};
}
#endif