20550e2018-03-06Pontus Östlund #include "sass.hpp" #include "ast.hpp" #include "to_value.hpp" namespace Sass { Value_Ptr To_Value::fallback_impl(AST_Node_Ptr n) { // throw a runtime error if this happens // we want a well defined set of possible nodes throw std::runtime_error("invalid node for to_value"); } // Custom_Error is a valid value Value_Ptr To_Value::operator()(Custom_Error_Ptr e) { return e; } // Custom_Warning is a valid value Value_Ptr To_Value::operator()(Custom_Warning_Ptr w) { return w; } // Boolean is a valid value Value_Ptr To_Value::operator()(Boolean_Ptr b) { return b; } // Number is a valid value Value_Ptr To_Value::operator()(Number_Ptr n) { return n; } // Color is a valid value Value_Ptr To_Value::operator()(Color_Ptr c) { return c; } // String_Constant is a valid value Value_Ptr To_Value::operator()(String_Constant_Ptr s) { return s; } // String_Quoted is a valid value Value_Ptr To_Value::operator()(String_Quoted_Ptr s) { return s; } // List is a valid value Value_Ptr To_Value::operator()(List_Ptr l) { List_Obj ll = SASS_MEMORY_NEW(List, l->pstate(), l->length(), l->separator(), l->is_arglist()); for (size_t i = 0, L = l->length(); i < L; ++i) { ll->append((*l)[i]->perform(this)); } return ll.detach(); } // Map is a valid value Value_Ptr To_Value::operator()(Map_Ptr m) { return m; } // Null is a valid value Value_Ptr To_Value::operator()(Null_Ptr n) { return n; } // Argument returns its value Value_Ptr To_Value::operator()(Argument_Ptr arg) { if (!arg->name().empty()) return 0; return arg->value()->perform(this); } // Selector_List is converted to a string Value_Ptr To_Value::operator()(Selector_List_Ptr s) { return SASS_MEMORY_NEW(String_Quoted, s->pstate(), s->to_string(ctx.c_options)); } // Binary_Expression is converted to a string Value_Ptr To_Value::operator()(Binary_Expression_Ptr s) { return SASS_MEMORY_NEW(String_Quoted, s->pstate(), s->to_string(ctx.c_options)); } };