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/* vi:set ts=8 sts=4 sw=4 noet:
*
* MzScheme interface for Vim, wrapper around scheme.h
*/
#ifndef _IF_MZSCH_H_
#define _IF_MZSCH_H_
#ifdef __MINGW32__
// Hack to engage Cygwin-specific settings
# define __CYGWIN32__
# include <stdint.h>
#endif
#ifdef PROTO
// avoid syntax error for defining Thread_Local_Variables.
# define __thread // empty
#endif
// #ifdef needed for "make depend"
#ifdef FEAT_MZSCHEME
# include <schvers.h>
# include <scheme.h>
#endif
#ifdef __MINGW32__
# undef __CYGWIN32__
#endif
#if MZSCHEME_VERSION_MAJOR >= 299
# define SCHEME_STRINGP(obj) (SCHEME_BYTE_STRINGP(obj) || SCHEME_CHAR_STRINGP(obj))
# define BYTE_STRING_VALUE(obj) ((char_u *)SCHEME_BYTE_STR_VAL(obj))
#else
// macros for compatibility with older versions
# define scheme_current_config() scheme_config
# define scheme_make_sized_byte_string scheme_make_sized_string
# define scheme_format_utf8 scheme_format
# ifndef DYNAMIC_MZSCHEME
// for dynamic MzScheme there will be separate definitions in if_mzsch.c
# define scheme_get_sized_byte_string_output scheme_get_sized_string_output
# define scheme_make_byte_string scheme_make_string
# define scheme_make_byte_string_output_port scheme_make_string_output_port
# endif
# define SCHEME_BYTE_STRLEN_VAL SCHEME_STRLEN_VAL
# define BYTE_STRING_VALUE(obj) ((char_u *)SCHEME_STR_VAL(obj))
# define scheme_byte_string_to_char_string(obj) (obj)
# define SCHEME_BYTE_STRINGP SCHEME_STRINGP
#endif
// Precise GC macros
#ifndef MZ_GC_DECL_REG
# define MZ_GC_DECL_REG(size) // empty
#endif
#ifndef MZ_GC_VAR_IN_REG
# define MZ_GC_VAR_IN_REG(x, v) // empty
#endif
#ifndef MZ_GC_ARRAY_VAR_IN_REG
# define MZ_GC_ARRAY_VAR_IN_REG(x, v, l) // empty
#endif
#ifndef MZ_GC_REG
# define MZ_GC_REG() // empty
#endif
#ifndef MZ_GC_UNREG
# define MZ_GC_UNREG() // empty
#endif
#ifdef MZSCHEME_FORCE_GC
/*
* force garbage collection to check all references are registered
* seg faults will indicate not registered refs
*/
# define MZ_GC_CHECK() scheme_collect_garbage();
#else
# define MZ_GC_CHECK() // empty
#endif
#endif // _IF_MZSCH_H_
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