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