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