| 1 | #ifndef SASS_CHECK_NESTING_H |
|---|---|
| 2 | #define SASS_CHECK_NESTING_H |
| 3 | |
| 4 | // sass.hpp must go before all system headers to get the |
| 5 | // __EXTENSIONS__ fix on Solaris. |
| 6 | #include "sass.hpp" |
| 7 | #include "ast.hpp" |
| 8 | #include "operation.hpp" |
| 9 | #include <vector> |
| 10 | |
| 11 | namespace Sass { |
| 12 | |
| 13 | class CheckNesting : public Operation_CRTP<Statement*, CheckNesting> { |
| 14 | |
| 15 | sass::vector<Statement*> parents; |
| 16 | Backtraces traces; |
| 17 | Statement* parent; |
| 18 | Definition* current_mixin_definition; |
| 19 | |
| 20 | Statement* before(Statement*); |
| 21 | Statement* visit_children(Statement*); |
| 22 | |
| 23 | public: |
| 24 | CheckNesting(); |
| 25 | ~CheckNesting() { } |
| 26 | |
| 27 | Statement* operator()(Block*); |
| 28 | Statement* operator()(Definition*); |
| 29 | Statement* operator()(If*); |
| 30 | |
| 31 | template <typename U> |
| 32 | Statement* fallback(U x) { |
| 33 | Statement* s = Cast<Statement>(x); |
| 34 | if (s && this->should_visit(s)) { |
| 35 | Block* b1 = Cast<Block>(ptr: s); |
| 36 | ParentStatement* b2 = Cast<ParentStatement>(ptr: s); |
| 37 | if (b1 || b2) return visit_children(s); |
| 38 | } |
| 39 | return s; |
| 40 | } |
| 41 | |
| 42 | private: |
| 43 | void invalid_content_parent(Statement*, AST_Node*); |
| 44 | void invalid_charset_parent(Statement*, AST_Node*); |
| 45 | void invalid_extend_parent(Statement*, AST_Node*); |
| 46 | // void invalid_import_parent(Statement*); |
| 47 | void invalid_mixin_definition_parent(Statement*, AST_Node*); |
| 48 | void invalid_function_parent(Statement*, AST_Node*); |
| 49 | |
| 50 | void invalid_function_child(Statement*); |
| 51 | void invalid_prop_child(Statement*); |
| 52 | void invalid_prop_parent(Statement*, AST_Node*); |
| 53 | void invalid_return_parent(Statement*, AST_Node*); |
| 54 | void invalid_value_child(AST_Node*); |
| 55 | |
| 56 | bool is_transparent_parent(Statement*, Statement*); |
| 57 | |
| 58 | bool should_visit(Statement*); |
| 59 | |
| 60 | bool is_charset(Statement*); |
| 61 | bool is_mixin(Statement*); |
| 62 | bool is_function(Statement*); |
| 63 | bool is_root_node(Statement*); |
| 64 | bool is_at_root_node(Statement*); |
| 65 | bool is_directive_node(Statement*); |
| 66 | }; |
| 67 | |
| 68 | } |
| 69 | |
| 70 | #endif |
| 71 |