nix-super/externals/aterm-64-bit.patch

diff -rc aterm-2.4.2-orig/aterm/bafio.c aterm-2.4.2/aterm/bafio.c
*** aterm-2.4.2-orig/aterm/bafio.c	2004-02-02 12:24:34.000000000 +0100
--- aterm-2.4.2/aterm/bafio.c	2006-09-22 13:39:07.000000000 +0200
***************
*** 222,227 ****
--- 222,229 ----
      }
    }
  
+   if (val) return -1;
+ 
    /* Ok */
    return 0;
  }
***************
*** 544,551 ****
    * terms have been sorted by symbol.
  	*/
  
! void gather_top_symbols(sym_entry *cur_entry, int cur_arg, 
! 			int total_top_symbols)
  {
    int index;
    unsigned int hnr;
--- 546,553 ----
    * terms have been sorted by symbol.
  	*/
  
! static void gather_top_symbols(sym_entry *cur_entry, int cur_arg, 
! 			       int total_top_symbols)
  {
    int index;
    unsigned int hnr;
***************
*** 899,905 ****
    } else {
      switch(ATgetType(t)) {
      case AT_INT:
!       if(writeBits(ATgetInt((ATermInt)t), HEADER_BITS, writer) < 0) {
  	return ATfalse;
        }
  #if 0
--- 901,908 ----
    } else {
      switch(ATgetType(t)) {
      case AT_INT:
!       /* If ATerm integers are > 32 bits, then this can fail. */
!       if(writeBits(ATgetInt((ATermInt)t), INT_SIZE_IN_BAF, writer) < 0) {
  	return ATfalse;
        }
  #if 0
***************
*** 1033,1039 ****
  /*}}}  */
  /*{{{  ATbool write_baf(ATerm t, byte_writer *writer) */
  
! ATbool
  write_baf(ATerm t, byte_writer *writer)
  {
    int nr_unique_terms = 0;
--- 1036,1042 ----
  /*}}}  */
  /*{{{  ATbool write_baf(ATerm t, byte_writer *writer) */
  
! static ATbool
  write_baf(ATerm t, byte_writer *writer)
  {
    int nr_unique_terms = 0;
***************
*** 1233,1239 ****
  	* Read a single symbol from file.
  	*/
  
! Symbol read_symbol(byte_reader *reader)
  {
    unsigned int arity, quoted;
    int len;
--- 1236,1242 ----
  	* Read a single symbol from file.
  	*/
  
! static Symbol read_symbol(byte_reader *reader)
  {
    unsigned int arity, quoted;
    int len;
***************
*** 1260,1266 ****
   * Read all symbols from file.
   */
  
! ATbool read_all_symbols(byte_reader *reader)
  {
    unsigned int val;
    int i, j, k, arity;
--- 1263,1269 ----
   * Read all symbols from file.
   */
  
! static ATbool read_all_symbols(byte_reader *reader)
  {
    unsigned int val;
    int i, j, k, arity;
***************
*** 1280,1293 ****
      /*}}}  */
      /*{{{  Read term count and allocate space */
  
!     if(readInt(&val, reader) < 0)
        return ATfalse;
      read_symbols[i].nr_terms = val;
      read_symbols[i].term_width = bit_width(val);
!     if(val == 0)
!       read_symbols[i].terms = NULL;
!     else
!       read_symbols[i].terms = (ATerm *)calloc(val, sizeof(ATerm));
      if(!read_symbols[i].terms)
        ATerror("read_symbols: could not allocate space for %d terms.\n", val);
      ATprotectArray(read_symbols[i].terms, val);
--- 1283,1293 ----
      /*}}}  */
      /*{{{  Read term count and allocate space */
  
!     if(readInt(&val, reader) < 0 || val == 0)
        return ATfalse;
      read_symbols[i].nr_terms = val;
      read_symbols[i].term_width = bit_width(val);
!     read_symbols[i].terms = (ATerm *)calloc(val, sizeof(ATerm));
      if(!read_symbols[i].terms)
        ATerror("read_symbols: could not allocate space for %d terms.\n", val);
      ATprotectArray(read_symbols[i].terms, val);
***************
*** 1351,1357 ****
  /*}}}  */
  /*{{{  ATerm read_term(sym_read_entry *sym, byte_reader *reader) */
  
! ATerm read_term(sym_read_entry *sym, byte_reader *reader)
  {
    unsigned int val;
    int i, arity = sym->arity;
--- 1351,1357 ----
  /*}}}  */
  /*{{{  ATerm read_term(sym_read_entry *sym, byte_reader *reader) */
  
! static ATerm read_term(sym_read_entry *sym, byte_reader *reader)
  {
    unsigned int val;
    int i, arity = sym->arity;
***************
*** 1365,1370 ****
--- 1365,1371 ----
      ATprotectArray(args, arity);
      if(!args)
        ATerror("could not allocate space for %d arguments.\n", arity);
+     /* !!! leaks memory on the "return NULL" paths */
    }
  
    /*ATfprintf(stderr, "reading term over symbol %y\n", sym->sym);*/
***************
*** 1372,1377 ****
--- 1373,1380 ----
      /*ATfprintf(stderr, "  reading argument %d (%d)", i, sym->sym_width[i]);*/
      if(readBits(&val, sym->sym_width[i], reader) < 0)
        return NULL;
+     if(val >= sym->nr_topsyms[i])
+       return NULL;
      arg_sym = &read_symbols[sym->topsyms[i][val]];
      /*		ATfprintf(stderr, "argument %d, symbol index = %d, symbol = %y\n", 
  		i, val, arg_sym->sym);*/
***************
*** 1381,1386 ****
--- 1384,1391 ----
      if(readBits(&val, arg_sym->term_width, reader) < 0)
        return NULL;
      /*		ATfprintf(stderr, "arg term index = %d\n", val);*/
+     if(val >= arg_sym->nr_terms)
+       return NULL;
      if(!arg_sym->terms[val]) {
        arg_sym->terms[val] = read_term(arg_sym, reader);
        if(!arg_sym->terms[val])
***************
*** 1396,1402 ****
    case AS_INT:
      /*{{{  Read an integer */
  
!     if(readBits(&val, HEADER_BITS, reader) < 0)
        return NULL;
  
      result = (ATerm)ATmakeInt((int)val);
--- 1401,1407 ----
    case AS_INT:
      /*{{{  Read an integer */
  
!     if(readBits(&val, INT_SIZE_IN_BAF, reader) < 0)
        return NULL;
  
      result = (ATerm)ATmakeInt((int)val);
***************
*** 1494,1502 ****
    for(i=0; i<nr_unique_symbols; i++) {
      sym_read_entry *entry = &read_symbols[i];
  
!     ATunprotectArray(entry->terms);
!     if(entry->terms)
        free(entry->terms);
      if(entry->nr_topsyms)
        free(entry->nr_topsyms);
      if(entry->sym_width)
--- 1499,1508 ----
    for(i=0; i<nr_unique_symbols; i++) {
      sym_read_entry *entry = &read_symbols[i];
  
!     if(entry->terms) {
!       ATunprotectArray(entry->terms);
        free(entry->terms);
+     }
      if(entry->nr_topsyms)
        free(entry->nr_topsyms);
      if(entry->sym_width)
Only in aterm-2.4.2/aterm: config.h.in
diff -rc aterm-2.4.2-orig/aterm/encoding.h aterm-2.4.2/aterm/encoding.h
*** aterm-2.4.2-orig/aterm/encoding.h	2004-06-01 10:29:02.000000000 +0200
--- aterm-2.4.2/aterm/encoding.h	2006-09-22 13:39:07.000000000 +0200
***************
*** 10,15 ****
--- 10,17 ----
  {
  #endif/* __cplusplus */
  
+ #include "config.h"
+ 
  /*
   |--------------------------------|
   |info|type |arity|quoted|mark|age|
***************
*** 31,37 ****
  #define SHIFT_REMOVE_MARK_AGE 3
  #define MASK_AGE_MARK   (MASK_AGE|MASK_MARK)
  
! #if AT_64BIT
  #define SHIFT_LENGTH  34
  #define HEADER_BITS 64
  typedef unsigned long header_type;
--- 33,39 ----
  #define SHIFT_REMOVE_MARK_AGE 3
  #define MASK_AGE_MARK   (MASK_AGE|MASK_MARK)
  
! #ifdef AT_64BIT
  #define SHIFT_LENGTH  34
  #define HEADER_BITS 64
  typedef unsigned long header_type;
***************
*** 137,142 ****
--- 139,150 ----
  #define AT_TABLE_SIZE(table_class)  (1<<(table_class))
  #define AT_TABLE_MASK(table_class)  (AT_TABLE_SIZE(table_class)-1)
  
+ 
+ /* Integers in BAF are always exactly 32 bits.  The size must be fixed so that
+  * BAF terms can be exchanged between platforms. */
+ #define INT_SIZE_IN_BAF 32
+ 
+ 
  #ifdef __cplusplus
  }
  #endif/* __cplusplus */ 
diff -rc aterm-2.4.2-orig/aterm/gc.c aterm-2.4.2/aterm/gc.c
*** aterm-2.4.2-orig/aterm/gc.c	2004-06-01 10:29:02.000000000 +0200
--- aterm-2.4.2/aterm/gc.c	2006-09-22 13:39:07.000000000 +0200
***************
*** 154,166 ****
      }
  
  #ifdef AT_64BIT
!     odd_term = *((ATerm *)((MachineWord)cur)+4);
      real_term = AT_isInsideValidTerm(odd_term);
      if (real_term != NULL) {
        AT_markTerm(odd_term);
      }
  
!     odd_sym = *((AFun *)((MachineWord)cur)+4);
      if (AT_isValidSymbol(odd_sym)) {
          /*fprintf(stderr,"mark_memory: AT_markSymbol(%d)\n",odd_sym);*/
        AT_markSymbol(odd_sym);
--- 154,166 ----
      }
  
  #ifdef AT_64BIT
!     odd_term = *((ATerm *)(((MachineWord)cur)+4));
      real_term = AT_isInsideValidTerm(odd_term);
      if (real_term != NULL) {
        AT_markTerm(odd_term);
      }
  
!     odd_sym = *((AFun *)(((MachineWord)cur)+4));
      if (AT_isValidSymbol(odd_sym)) {
          /*fprintf(stderr,"mark_memory: AT_markSymbol(%d)\n",odd_sym);*/
        AT_markSymbol(odd_sym);
***************
*** 198,210 ****
      }
  
  #ifdef AT_64BIT
!     odd_term = *((ATerm *)((MachineWord)cur)+4);
      real_term = AT_isInsideValidTerm(odd_term);
      if (real_term != NULL) {
        AT_markTerm_young(odd_term);
      }
  
!     odd_sym = *((AFun *)((MachineWord)cur)+4);
      if (AT_isValidSymbol(odd_sym)) {
          /*fprintf(stderr,"mark_memory_young: AT_markSymbol_young(%d)\n",odd_sym);*/
        AT_markSymbol_young(odd_sym);
--- 198,210 ----
      }
  
  #ifdef AT_64BIT
!     odd_term = *((ATerm *)(((MachineWord)cur)+4));
      real_term = AT_isInsideValidTerm(odd_term);
      if (real_term != NULL) {
        AT_markTerm_young(odd_term);
      }
  
!     odd_sym = *((AFun *)(((MachineWord)cur)+4));
      if (AT_isValidSymbol(odd_sym)) {
          /*fprintf(stderr,"mark_memory_young: AT_markSymbol_young(%d)\n",odd_sym);*/
        AT_markSymbol_young(odd_sym);
***************
*** 225,235 ****
    ATerm *start, *stop;
    ProtEntry *prot;
  
- #ifdef AT_64BIT
-   ATerm oddTerm;
-   AFun oddSym;
- #endif
- 
  #ifdef WIN32
  
    unsigned int r_eax, r_ebx, r_ecx, r_edx, \
--- 225,230 ----
***************
*** 287,293 ****
    /* Traverse possible register variables */
    sigsetjmp(env,0);
  
!   start = (ATerm *)env;
    stop  = ((ATerm *)(((char *)env) + sizeof(sigjmp_buf)));
    mark_memory(start, stop);
  #endif
--- 282,288 ----
    /* Traverse possible register variables */
    sigsetjmp(env,0);
  
!   start = (ATerm *)env; /* !!! illegal aliasing  */
    stop  = ((ATerm *)(((char *)env) + sizeof(sigjmp_buf)));
    mark_memory(start, stop);
  #endif
***************
*** 338,348 ****
    ATerm *start, *stop;
    ProtEntry *prot;
  
- #ifdef AT_64BIT
-   ATerm oddTerm;
-   AFun oddSym;
- #endif
- 
  #ifdef WIN32
  
    unsigned int r_eax, r_ebx, r_ecx, r_edx, \
--- 333,338 ----
***************
*** 400,406 ****
      /* Traverse possible register variables */
    sigsetjmp(env,0);
  
!   start = (ATerm *)env;
    stop  = ((ATerm *)(((char *)env) + sizeof(sigjmp_buf)));
    mark_memory_young(start, stop);
  #endif
--- 390,396 ----
      /* Traverse possible register variables */
    sigsetjmp(env,0);
  
!   start = (ATerm *)env; /* !!! illegal aliasing  */
    stop  = ((ATerm *)(((char *)env) + sizeof(sigjmp_buf)));
    mark_memory_young(start, stop);
  #endif
***************
*** 1047,1053 ****
        /*fprintf(stderr,"minor_sweep_phase_young: ensure empty freelist[%d]\n",size);*/
        for(data = at_freelist[size] ; data ; data=data->next) {
          if(!EQUAL_HEADER(data->header,FREE_HEADER)) {
!           fprintf(stderr,"data = %x header = %x\n",(unsigned int)data,data->header);
          }
          assert(EQUAL_HEADER(data->header,FREE_HEADER)); 
          assert(ATgetType(data) == AT_FREE);   
--- 1037,1043 ----
        /*fprintf(stderr,"minor_sweep_phase_young: ensure empty freelist[%d]\n",size);*/
        for(data = at_freelist[size] ; data ; data=data->next) {
          if(!EQUAL_HEADER(data->header,FREE_HEADER)) {
!           fprintf(stderr,"data = %p header = %x\n",data,(unsigned int) data->header);
          }
          assert(EQUAL_HEADER(data->header,FREE_HEADER)); 
          assert(ATgetType(data) == AT_FREE);   
diff -rc aterm-2.4.2-orig/aterm/Makefile.am aterm-2.4.2/aterm/Makefile.am
*** aterm-2.4.2-orig/aterm/Makefile.am	2005-08-03 11:45:19.000000000 +0200
--- aterm-2.4.2/aterm/Makefile.am	2006-09-22 13:39:07.000000000 +0200
***************
*** 37,43 ****
    aterm2.h \
    atypes.h \
    deprecated.h \
!   encoding.h
  
  PRIVATE_INCL = \
    _afun.h \
--- 37,44 ----
    aterm2.h \
    atypes.h \
    deprecated.h \
!   encoding.h \
!   config.h
  
  PRIVATE_INCL = \
    _afun.h \
diff -rc aterm-2.4.2-orig/aterm/md5.h aterm-2.4.2/aterm/md5.h
*** aterm-2.4.2-orig/aterm/md5.h	2003-09-02 15:32:46.000000000 +0200
--- aterm-2.4.2/aterm/md5.h	2006-09-22 13:39:07.000000000 +0200
***************
*** 24,29 ****
--- 24,31 ----
  documentation and/or software.
   */
  
+ #include <stdint.h>
+ 
  /* GLOBAL.H - RSAREF types and constants
   */
  
***************
*** 46,55 ****
  typedef unsigned char *POINTER;
  
  /* UINT2 defines a two byte word */
! typedef unsigned short int UINT2;
  
  /* UINT4 defines a four byte word */
! typedef unsigned long int UINT4;
  
  /* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
  If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
--- 48,57 ----
  typedef unsigned char *POINTER;
  
  /* UINT2 defines a two byte word */
! typedef uint16_t UINT2;
  
  /* UINT4 defines a four byte word */
! typedef uint32_t UINT4;
  
  /* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
  If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
diff -rc aterm-2.4.2-orig/aterm/memory.c aterm-2.4.2/aterm/memory.c
*** aterm-2.4.2-orig/aterm/memory.c	2005-10-11 13:19:25.000000000 +0200
--- aterm-2.4.2/aterm/memory.c	2006-09-22 13:39:16.000000000 +0200
***************
*** 96,102 ****
  #define HASHNUMBER4(t) hash_number(t,4)
  #define HASHINT(val)   (tmp[0]=(MachineWord)(AT_INT<<SHIFT_TYPE),\
                          tmp[1]=(MachineWord)0,\
!                         tmp[2]=(MachineWord)val,\
                          hash_number(tmp,3)) 
  
  #else
--- 96,102 ----
  #define HASHNUMBER4(t) hash_number(t,4)
  #define HASHINT(val)   (tmp[0]=(MachineWord)(AT_INT<<SHIFT_TYPE),\
                          tmp[1]=(MachineWord)0,\
!                         tmp[2]=(MachineWord)((unsigned int) val),\
                          hash_number(tmp,3)) 
  
  #else
***************
*** 127,133 ****
  		       ((MachineWord*)t)[2]),((MachineWord*)t)[3]))
  
  #define HASHINT(val) \
! FINISH(COMBINE(START( (AT_INT<<SHIFT_TYPE) ), val))
  
  
  #endif /* HASHPEM */
--- 127,133 ----
  		       ((MachineWord*)t)[2]),((MachineWord*)t)[3]))
  
  #define HASHINT(val) \
! FINISH(COMBINE(START( (AT_INT<<SHIFT_TYPE) ), (unsigned int) val))
  
  
  #endif /* HASHPEM */
***************
*** 708,714 ****
    at_blocks[size] = newblock;
    top_at_blocks[size] = newblock->data;
    assert(at_blocks[size] != NULL);
!   assert(((int)top_at_blocks[size] % MAX(sizeof(double), sizeof(void *))) == 0);
    
      /* [pem: Feb 14 02] TODO: fast allocation */
    assert(at_freelist[size] == NULL);
--- 708,714 ----
    at_blocks[size] = newblock;
    top_at_blocks[size] = newblock->data;
    assert(at_blocks[size] != NULL);
!   assert(((long)top_at_blocks[size] % MAX(sizeof(double), sizeof(void *))) == 0);
    
      /* [pem: Feb 14 02] TODO: fast allocation */
    assert(at_freelist[size] == NULL);
***************
*** 1009,1018 ****
    do {
      if(!cur) {
          /*printf("freeterm = %d\n",t);*/
!       fprintf(stderr,"### cannot find term %x in hashtable at pos %d header = %x\n", (unsigned int)t, hnr, t->header);
! 
!       ATabort("### cannot find term %n at %p in hashtable at pos %d"
! 	      ", header = %d\n", t, t, hnr, t->header);
      }
      if (cur == t) {
        if(prev)
--- 1009,1016 ----
    do {
      if(!cur) {
          /*printf("freeterm = %d\n",t);*/
!       ATabort("### cannot find term %p in hashtable at pos %d"
! 	      ", header = %x\n", t, hnr, t->header);
      }
      if (cur == t) {
        if(prev)
***************
*** 1728,1733 ****
--- 1726,1733 ----
      hashtable[hnr] = cur;
    }
  
+   assert((hnr & table_mask) == (hash_number(cur, TERM_SIZE_INT) & table_mask));
+ 
    return (ATermInt)cur;  
  }
  
diff -rc aterm-2.4.2-orig/aterm.m4 aterm-2.4.2/aterm.m4
*** aterm-2.4.2-orig/aterm.m4	2005-08-03 11:45:19.000000000 +0200
--- aterm-2.4.2/aterm.m4	2006-09-22 13:39:07.000000000 +0200
***************
*** 8,15 ****
      [AS_HELP_STRING([--with-sharing],[create libraries that do term sharing @<:@yes@:>@])],
      [if test "$withval" = "no"; then
         AC_MSG_RESULT([no])
!        AC_DEFINE([NO_SHARING])
!        AC_DEFINE([WITH_STATS])
       else
         if test "$withval" != "yes"; then
           AC_MSG_RESULT([unknown value specified for --with-sharing.])
--- 8,15 ----
      [AS_HELP_STRING([--with-sharing],[create libraries that do term sharing @<:@yes@:>@])],
      [if test "$withval" = "no"; then
         AC_MSG_RESULT([no])
!        AC_DEFINE([NO_SHARING], [], [Whether terms are shared.])
!        AC_DEFINE([WITH_STATS], [], [Whether to keep statistics.])
       else
         if test "$withval" != "yes"; then
           AC_MSG_RESULT([unknown value specified for --with-sharing.])
***************
*** 73,78 ****
--- 73,102 ----
    AC_SUBST([OPTIMIZECFLAGS])
  ])
  
+ # ATERM_64_BIT
+ # ------------
+ # Enable 64-bit mode if pointers are 8 bytes large.
+ AC_DEFUN([ATERM_64_BIT], [
+   AC_CHECK_SIZEOF(void *)
+   AC_CHECK_SIZEOF(int)
+   AC_CHECK_SIZEOF(long)
+ 
+   AC_MSG_CHECKING([what kind of platform this is])
+ 
+   AC_SUBST([AT_64BIT], [0])
+   if test "$ac_cv_sizeof_void_p" = "8" -a "$ac_cv_sizeof_int" = "4" -a "$ac_cv_sizeof_long" = "8"; then
+     AC_MSG_RESULT([LP64])
+     AC_SUBST([AT_64BIT], [1])
+   elif test "$ac_cv_sizeof_void_p" = "8" -a "$ac_cv_sizeof_int" = "8" -a "$ac_cv_sizeof_long" = "8"; then
+     AC_MSG_RESULT([ILP64 - warning, untested])
+     AC_SUBST([AT_64BIT], [1])
+   elif test "$ac_cv_sizeof_void_p" = "4" -a "$ac_cv_sizeof_int" = "4" -a "$ac_cv_sizeof_long" = "4"; then
+     AC_MSG_RESULT([32 bits])
+   else
+     AC_MSG_RESULT([something weird - warning, untested])
+   fi
+ ])
+ 
  # XT_SVN_REVISION
  # ---------------
  AC_DEFUN([XT_SVN_REVISION],
diff -rc aterm-2.4.2-orig/configure.ac aterm-2.4.2/configure.ac
*** aterm-2.4.2-orig/configure.ac	2005-08-03 11:45:19.000000000 +0200
--- aterm-2.4.2/configure.ac	2006-09-22 13:39:07.000000000 +0200
***************
*** 30,35 ****
--- 30,38 ----
  # Add a configuration option to allow users to control sharing.
  ATERM_WITH_SHARING
  
+ # Enable 64-bit mode if pointers are 8 bytes large.
+ ATERM_64_BIT
+ 
  CURDATE=`date`
  AC_SUBST([CURDATE])
  
***************
*** 45,49 ****
--- 48,53 ----
    doc/spec/Makefile
    aterm.spec
    aterm.pc
+   aterm/config.h
  ])
  AC_OUTPUT
diff -rc aterm-2.4.2-orig/utils/dicttoc.c aterm-2.4.2/utils/dicttoc.c
*** aterm-2.4.2-orig/utils/dicttoc.c	2003-10-07 13:57:40.000000000 +0200
--- aterm-2.4.2/utils/dicttoc.c	2006-09-22 13:39:07.000000000 +0200
***************
*** 69,74 ****
--- 69,75 ----
    fprintf(file, "#ifndef __%s_H\n", code_prefix);
    fprintf(file, "#define __%s_H\n\n", code_prefix);
    fprintf(file, "#include <aterm2.h>\n\n");
+   fprintf(file, "#include <assert.h>\n\n");
  
    while (!ATisEmpty(afuns)) {
      ATerm afun, alias, pair = ATgetFirst(afuns);
***************
*** 244,251 ****
    ATfprintf(file, "{\n");
    ATfprintf(file, "  ATermList afuns, terms;\n\n");
  
!   ATfprintf(file, "  _%s = ATreadFromBinaryString(_%s_baf, _%s_LEN);\n\n", 
  	    code_prefix, code_prefix, code_prefix);
    ATfprintf(file, "  ATprotect(&_%s);\n\n", code_prefix);
  
    ATfprintf(file, "  afuns = (ATermList)ATelementAt((ATermList)_%s, 0);\n\n", code_prefix);
--- 245,253 ----
    ATfprintf(file, "{\n");
    ATfprintf(file, "  ATermList afuns, terms;\n\n");
  
!   ATfprintf(file, "  _%s = ATreadFromBinaryString(_%s_baf, _%s_LEN);\n", 
  	    code_prefix, code_prefix, code_prefix);
+   ATfprintf(file, "  assert(_%s);\n\n", code_prefix);
    ATfprintf(file, "  ATprotect(&_%s);\n\n", code_prefix);
  
    ATfprintf(file, "  afuns = (ATermList)ATelementAt((ATermList)_%s, 0);\n\n", code_prefix);