print.hh

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#pragma once
 
#include <iostream>
 
#include "lix/libutil/fmt.hh"
#include "lix/libexpr/print-options.hh"
 
namespace nix {
 
struct Expr;
 
class EvalState;
struct Value;

std::ostream & printLiteralBool(std::ostream & o, bool b);

std::ostream & printAttributeName(std::ostream & o, std::string_view s);

bool isReservedKeyword(const std::string_view str);

std::ostream & printIdentifier(std::ostream & o, std::string_view s);
 
void printValue(EvalState & state, std::ostream & str, Value & v, PrintOptions options = PrintOptions {});

class ValuePrinter {
    friend std::ostream & operator << (std::ostream & output, const ValuePrinter & printer);
private:
    EvalState & state;
    Value & value;
    PrintOptions options;
 
public:
    ValuePrinter(EvalState & state, Value & value, PrintOptions options = PrintOptions {})
        : state(state), value(value), options(options) { }
};
 
std::ostream & operator<<(std::ostream & output, const ValuePrinter & printer);
 

template<>
fmt_internal::HintFmt & fmt_internal::HintFmt::operator%(const ValuePrinter & value);
 
}