text: /* 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 <scheme.h>
  #include <schvers.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_ */
  