www.aleph1.co.uk Git - yaffs-website/blob - node_modules/node-sass/src/libsass/src/expand.hpp

   1 #ifndef SASS_EXPAND_H
   2 #define SASS_EXPAND_H
   3
   4 #include <vector>
   5
   6 #include "ast.hpp"
   7 #include "eval.hpp"
   8 #include "operation.hpp"
   9 #include "environment.hpp"
  10
  11 namespace Sass {
  12
  13   class Listize;
  14   class Context;
  15   class Eval;
  16   struct Backtrace;
  17
  18   class Expand : public Operation_CRTP<Statement_Ptr, Expand> {
  19   public:
  20
  21     Env* environment();
  22     Selector_List_Obj selector();
  23     Backtrace* backtrace();
  24
  25     Context&          ctx;
  26     Eval              eval;
  27     size_t            recursions;
  28     bool              in_keyframes;
  29     bool              at_root_without_rule;
  30     bool              old_at_root_without_rule;
  31
  32     // it's easier to work with vectors
  33     std::vector<Env*>              env_stack;
  34     std::vector<Block_Ptr>         block_stack;
  35     std::vector<AST_Node_Obj>      call_stack;
  36     std::vector<Selector_List_Obj> selector_stack;
  37     std::vector<Media_Block_Ptr>   media_block_stack;
  38     std::vector<Backtrace*>        backtrace_stack;
  39
  40     Statement_Ptr fallback_impl(AST_Node_Ptr n);
  41
  42   private:
  43     void expand_selector_list(Selector_Obj, Selector_List_Obj extender);
  44
  45   public:
  46     Expand(Context&, Env*, Backtrace*, std::vector<Selector_List_Obj>* stack = NULL);
  47     ~Expand() { }
  48
  49     Block_Ptr operator()(Block_Ptr);
  50     Statement_Ptr operator()(Ruleset_Ptr);
  51     Statement_Ptr operator()(Media_Block_Ptr);
  52     Statement_Ptr operator()(Supports_Block_Ptr);
  53     Statement_Ptr operator()(At_Root_Block_Ptr);
  54     Statement_Ptr operator()(Directive_Ptr);
  55     Statement_Ptr operator()(Declaration_Ptr);
  56     Statement_Ptr operator()(Assignment_Ptr);
  57     Statement_Ptr operator()(Import_Ptr);
  58     Statement_Ptr operator()(Import_Stub_Ptr);
  59     Statement_Ptr operator()(Warning_Ptr);
  60     Statement_Ptr operator()(Error_Ptr);
  61     Statement_Ptr operator()(Debug_Ptr);
  62     Statement_Ptr operator()(Comment_Ptr);
  63     Statement_Ptr operator()(If_Ptr);
  64     Statement_Ptr operator()(For_Ptr);
  65     Statement_Ptr operator()(Each_Ptr);
  66     Statement_Ptr operator()(While_Ptr);
  67     Statement_Ptr operator()(Return_Ptr);
  68     Statement_Ptr operator()(Extension_Ptr);
  69     Statement_Ptr operator()(Definition_Ptr);
  70     Statement_Ptr operator()(Mixin_Call_Ptr);
  71     Statement_Ptr operator()(Content_Ptr);
  72
  73     template <typename U>
  74     Statement_Ptr fallback(U x) { return fallback_impl(x); }
  75
  76     void append_block(Block_Ptr);
  77   };
  78
  79 }
  80
  81 #endif