/ 7. C<<1 builtin iterators and conditionals, updated 2008-01-26 xCh.
'----------------------------------------------------------------------- */
#define loop while(TRUE)
-#define repeat(N) if(N>0) _NEW(I,0) while(_I++<N)
-#define for_range(VAR,FROM,TO) for( VAR=FROM ; FROM<=TO?VAR<=TO:VAR>=TO ; FROM<=TO?VAR++:VAR--)
+#define repeat(N) _NEW(I,0) _NEW(J,N) while(_I++<_J)
+#define for_range(VAR,FROM,TO) _NEW(I,FROM) _NEW(J,TO) for( VAR=_I ; _I<=_J?VAR<=_J:VAR>=_J ; _I<=_J?VAR++:VAR--)
#define for_each(NODE,HEAD) for(NODE=HEAD; NODE; NODE=NODE->__next)
#define for_search(NODE,HEAD,EXPR) for_each(NODE,HEAD) if(EXPR)
#define for_file_lines(STR,FNAME) /* _NEW(CTX,get_context()) file_read(FNAME) for(use_context(_CTX),STR=file_line(_F);release_context(_M),(*S && !feof(_F));STR=file_line(_F),end_context()) _CATCH */
#define for_input_lines(S,L) /* _NEW(CTX,get_context()) for(use_context(_CTX),STR=file_get_line(stdin);release_context(_M),(*S && !feof(stdin));STR=file_get_line(stdin)) _CATCH */
#define for_ints(VAR,...) _NEW(I,0) while( (VAR=_cll1_for_ints(_I++,__VA_ARGS__,WEIRDINT))!=WEIRDINT )
#define for_strs(VAR,...) _NEW(I,0) while( (VAR=(char *)_cll1_for_ptrs(_I++,__VA_ARGS__,NIL))!=NIL )
-#define for_args _NEW(I,1) while(_I++<argc)
+#define for_args(STR) _NEW(I,1) while(_I++<argc)
#define this_arg argv[_I]
#define next_arg ((_I+1<argc)?argv[_I]:NULL)
-#define skip_next _I++
+#define continue_args _I++
#define if_exists(NODE,HEAD,EXPR) for_search(NODE,HEAD,EXPR) break; if(NODE)
#define if_args if(argc>1)
#define switch_for_args for_args switch_str(this_arg)
/ 10. C<<1 private infrastructure, updated 2008-02-03 by xCh.
'----------------------------------------------------------------------- */
#define _I (_Iatom->I)
+#define _J (_Jatom->J)
#define _S (_Satom->S)
#define _F (_Fatom->F)
#define _CTX (_CTXatom->CTX)
#define _FOR_VALID_COLUMNS(A,B,C) _NEW(I,0) for( prefix(A,B,C) ; A ; ((A!=B)&&prefix(A,B,C))||(A=NULL) ) if(*A&&++_I)
#define _NEW(NAME,VALUE) for(_##NAME##atom=get_mem(_##NAME##Atom),_##NAME##atom->NAME=(VALUE),_##NAME##atom->c=1,push(_##NAME##atom,_##NAME##stack);_##NAME##atom->c||(pop(_##NAME##atom,_##NAME##stack),0);_##NAME##atom->c--)
#define _ANYSTACK(NAME) _##NAME##Atom _##NAME##atom,_##NAME##stack=NULL;
-#define _EXPORT_STACKS _ANYSTACK(I) _ANYSTACK(S) _ANYSTACK(F) _ANYSTACK(CTX)
+#define _EXPORT_STACKS _ANYSTACK(I) _ANYSTACK(J) _ANYSTACK(S) _ANYSTACK(F) _ANYSTACK(CTX)
_ANYATOM(int,I);
+_ANYATOM(int,J);
_ANYATOM(str,S);
_ANYATOM(FILE *,F);
_ANYATOM(void *,CTX);