/////////////////////////////////////////////////////////
//
// Pretty-print routine.
//
// The pretty-printer can be called from C++ or Lua.
//
/////////////////////////////////////////////////////////

#ifndef PRINT_HPP
#define PRINT_HPP

#include "luastack.hpp"

// This file provides these functions for lua.
//
// They direct all output to std::cout
//
extern "C" {
void luai_writestring(const char *s, size_t len);
void luai_writeline();
}

// Pretty print to a stream.
//
// If indent is >=0, the output is indented.  If indent<0, then
// the output is emitted without newlines or indentation.
//
// Maxlen specifies the maximum number of characters output.  If
// this is exceeded, then the printout is truncated.
//
void pprint(LuaStack &LS, LuaSlot val, int indent, int maxlen, std::ostream *os);

// The following lua interfaces to this code are included:
//
// pprint(expr)
//
// - pretty print the specified expression to stdout.
//
// string.pprint(expr, indent, maxlen)
//
// - pretty print the specified expression, return the result as a string.
//
void pprint_pprint(lua_State *L);
void string_pprint(lua_State *L);

#endif // PRINT_HPP