#ifndef SASS_CSSIZE_H
#define SASS_CSSIZE_H
#include "ast.hpp"
#include "context.hpp"
#include "operation.hpp"
#include "environment.hpp"
namespace Sass {
struct Backtrace;
class Cssize : public Operation_CRTP<Statement_Ptr, Cssize> {
Context& ctx;
std::vector<Block_Ptr> block_stack;
std::vector<Statement_Ptr> p_stack;
Backtrace* backtrace;
Statement_Ptr fallback_impl(AST_Node_Ptr n);
public:
Cssize(Context&, Backtrace*);
~Cssize() { }
Selector_List_Ptr selector();
Block_Ptr operator()(Block_Ptr);
Statement_Ptr operator()(Ruleset_Ptr);
// Statement_Ptr operator()(Bubble_Ptr);
Statement_Ptr operator()(Media_Block_Ptr);
Statement_Ptr operator()(Supports_Block_Ptr);
Statement_Ptr operator()(At_Root_Block_Ptr);
Statement_Ptr operator()(Directive_Ptr);
Statement_Ptr operator()(Keyframe_Rule_Ptr);
Statement_Ptr operator()(Trace_Ptr);
Statement_Ptr operator()(Declaration_Ptr);
// Statement_Ptr operator()(Assignment_Ptr);
// Statement_Ptr operator()(Import_Ptr);
// Statement_Ptr operator()(Import_Stub_Ptr);
// Statement_Ptr operator()(Warning_Ptr);
// Statement_Ptr operator()(Error_Ptr);
// Statement_Ptr operator()(Comment_Ptr);
// Statement_Ptr operator()(If_Ptr);
// Statement_Ptr operator()(For_Ptr);
// Statement_Ptr operator()(Each_Ptr);
// Statement_Ptr operator()(While_Ptr);
// Statement_Ptr operator()(Return_Ptr);
// Statement_Ptr operator()(Extension_Ptr);
// Statement_Ptr operator()(Definition_Ptr);
// Statement_Ptr operator()(Mixin_Call_Ptr);
// Statement_Ptr operator()(Content_Ptr);
Statement_Ptr operator()(Null_Ptr);
Statement_Ptr parent();
std::vector<std::pair<bool, Block_Obj>> slice_by_bubble(Block_Ptr);
Statement_Ptr bubble(Directive_Ptr);
Statement_Ptr bubble(At_Root_Block_Ptr);
Statement_Ptr bubble(Media_Block_Ptr);
Statement_Ptr bubble(Supports_Block_Ptr);
Block_Ptr debubble(Block_Ptr children, Statement_Ptr parent = 0);
Block_Ptr flatten(Block_Ptr);
bool bubblable(Statement_Ptr);
List_Ptr merge_media_queries(Media_Block_Ptr, Media_Block_Ptr);
Media_Query_Ptr merge_media_query(Media_Query_Ptr, Media_Query_Ptr);
template <typename U>
Statement_Ptr fallback(U x) { return fallback_impl(x); }
void append_block(Block_Ptr, Block_Ptr);
};
}
#endif