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