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#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(),
l->is_bracketed());
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;
}
// Function is a valid value
Value_Ptr To_Value::operator()(Function_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));
}
};
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