/* --------------------------------------------------------------------------
* Deriving
*
- * Copyright (c) The University of Nottingham and Yale University, 1994-1997.
- * All rights reserved. See NOTICE for details and conditions of use etc...
- * Hugs version 1.4, December 1997
+ * The Hugs 98 system is Copyright (c) Mark P Jones, Alastair Reid, the
+ * Yale Haskell Group, and the Oregon Graduate Institute of Science and
+ * Technology, 1994-1999, All rights reserved. It is distributed as
+ * free software under the license in the file "License", which is
+ * included in the distribution.
*
* $RCSfile: derive.c,v $
- * $Revision: 1.3 $
- * $Date: 1999/02/03 17:08:27 $
+ * $Revision: 1.14 $
+ * $Date: 2000/03/23 14:54:20 $
* ------------------------------------------------------------------------*/
-#include "prelude.h"
+#include "hugsbasictypes.h"
#include "storage.h"
-#include "backend.h"
#include "connect.h"
#include "errors.h"
+#include "Assembler.h"
-static Cell varTrue;
-static Cell varFalse;
-#if DERIVE_ORD
-static Cell varCompAux; /* auxiliary function for compares */
-static Cell varCompare;
-static Cell varEQ;
-#endif
-#if DERIVE_IX
-static Cell varRangeSize; /* calculate size of index range */
-static Cell varInRange;
-static Cell varRange;
-static Cell varIndex;
-static Cell varMult;
-static Cell varPlus;
-static Cell varMap;
-static Cell varMinus;
-static Cell varError;
-#endif
-#if DERIVE_ENUM
-static Cell varToEnum;
-static Cell varFromEnum;
-static Cell varEnumFromTo;
-static Cell varEnumFromThenTo;
-#endif
-#if DERIVE_BOUNDED
-static Cell varMinBound;
-static Cell varMaxBound;
-#endif
-#if DERIVE_SHOW
- Cell conCons;
-static Cell varShowField; /* display single field */
-static Cell varShowParen; /* wrap with parens */
-static Cell varCompose; /* function composition */
-static Cell varShowsPrec;
-static Cell varLe;
-#endif
-#if DERIVE_READ
-static Cell varReadField; /* read single field */
-static Cell varReadParen; /* unwrap from parens */
-static Cell varLex; /* lexer */
-static Cell varReadsPrec;
-static Cell varGt;
-#endif
-#if DERIVE_SHOW || DERIVE_READ
-static Cell varAppend; /* list append */
List cfunSfuns; /* List of (Cfun,[SelectorVar]) */
-#endif
-#if DERIVE_EQ || DERIVE_IX
-static Cell varAnd; /* built-in logical connectives */
-#endif
-#if DERIVE_EQ || DERIVE_ORD
-static Cell varEq;
-#endif
-
/* --------------------------------------------------------------------------
* local function prototypes:
* ------------------------------------------------------------------------*/
-static List local getDiVars Args((Int));
-static Cell local mkBind Args((String,List));
-static Cell local mkVarAlts Args((Int,Cell));
-
-#if DERIVE_EQ || DERIVE_ORD
-static List local makeDPats2 Args((Cell,Int));
-#endif
-#if DERIVE_ORD || DERIVE_ENUM || DERIVE_IX || DERIVE_BOUNDED
-static Bool local isEnumType Args((Tycon));
-#endif
-
-static Pair local mkAltEq Args((Int,List));
-static Pair local mkAltOrd Args((Int,List));
-static Cell local prodRange Args((Int,List,Cell,Cell,Cell));
-static Cell local prodIndex Args((Int,List,Cell,Cell,Cell));
-static Cell local prodInRange Args((Int,List,Cell,Cell,Cell));
-static List local mkIxBinds Args((Int,Cell,Int));
-static Cell local mkAltShow Args((Int,Cell,Int));
-static Cell local showsPrecRhs Args((Cell,Cell,Int));
-static Cell local mkReadCon Args((Name,Cell,Cell));
-static Cell local mkReadPrefix Args((Cell));
-static Cell local mkReadInfix Args((Cell));
-static Cell local mkReadTuple Args((Cell));
-static Cell local mkReadRecord Args((Cell,List));
-static List local mkBndBinds Args((Int,Cell,Int));
-
+static List local getDiVars ( Int );
+static Cell local mkBind ( String,List );
+static Cell local mkVarAlts ( Int,Cell );
+static List local makeDPats2 ( Cell,Int );
+static Bool local isEnumType ( Tycon );
+static Pair local mkAltEq ( Int,List );
+static Pair local mkAltOrd ( Int,List );
+static Cell local prodRange ( Int,List,Cell,Cell,Cell );
+static Cell local prodIndex ( Int,List,Cell,Cell,Cell );
+static Cell local prodInRange ( Int,List,Cell,Cell,Cell );
+static List local mkIxBinds ( Int,Cell,Int );
+static Cell local mkAltShow ( Int,Cell,Int );
+static Cell local showsPrecRhs ( Cell,Cell,Int );
+static Cell local mkReadCon ( Name,Cell,Cell );
+static Cell local mkReadPrefix ( Cell );
+static Cell local mkReadInfix ( Cell );
+static Cell local mkReadTuple ( Cell );
+static Cell local mkReadRecord ( Cell,List );
+static List local mkBndBinds ( Int,Cell,Int );
/* --------------------------------------------------------------------------
return singleton(pair(NIL,pair(mkInt(line),r)));
}
+static List local makeDPats2(h,n) /* generate pattern list */
+Cell h; /* by putting two new patterns with*/
+Int n; { /* head h and new var components */
+ List us = getDiVars(2*n);
+ List vs = NIL;
+ Cell p;
+ Int i;
+
+ for (i=0, p=h; i<n; ++i) { /* make first version of pattern */
+ p = ap(p,hd(us));
+ us = tl(us);
+ }
+ vs = cons(p,vs);
+
+ for (i=0, p=h; i<n; ++i) { /* make second version of pattern */
+ p = ap(p,hd(us));
+ us = tl(us);
+ }
+ return cons(p,vs);
+}
+
+static Bool local isEnumType(t) /* Determine whether t is an enumeration */
+Tycon t; { /* type (i.e. all constructors arity == 0) */
+ if (isTycon(t) && (tycon(t).what==DATATYPE || tycon(t).what==NEWTYPE)) {
+ List cs = tycon(t).defn;
+ for (; hasCfun(cs); cs=tl(cs)) {
+ if (name(hd(cs)).arity!=0) {
+ return FALSE;
+ }
+ }
+ /* ToDo: correct? addCfunTable(t); */
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
/* --------------------------------------------------------------------------
* Given a datatype: data T a b = A a b | B Int | C deriving (Eq, Ord)
* The derived definitions of equality and ordering are given by:
* constructors in the datatype definition.
* ------------------------------------------------------------------------*/
-#define ap2(f,x,y) ap(ap(f,x),y)
+static Pair local mkAltEq ( Int,List );
-List local deriveEq(t) /* generate binding for derived == */
+List deriveEq(t) /* generate binding for derived == */
Type t; { /* for some TUPLE or DATATYPE t */
List alts = NIL;
if (isTycon(t)) { /* deal with type constrs */
pair(mkInt(tycon(t).line),nameFalse)),alts);
}
alts = rev(alts);
- }
- else { /* special case for tuples */
+ } else { /* special case for tuples */
alts = singleton(mkAltEq(0,makeDPats2(t,tupleOf(t))));
}
return singleton(mkBind("==",alts));
return pair(pats,pair(mkInt(line),e));
}
+
+static Pair local mkAltOrd ( Int,List );
+
List deriveOrd(t) /* make binding for derived compare*/
Type t; { /* for some TUPLE or DATATYPE t */
List alts = NIL;
if (isEnumType(t)) { /* special case for enumerations */
- alts = mkVarAlts(tycon(t).line,nameConCmp);
+ Cell u = inventVar();
+ Cell w = inventVar();
+ Cell rhs = NIL;
+ if (cfunOf(hd(tycon(t).defn))!=0) {
+ implementConToTag(t);
+ rhs = ap2(nameCompare,
+ ap(tycon(t).conToTag,u),
+ ap(tycon(t).conToTag,w));
+ } else {
+ rhs = nameEQ;
+ }
+ alts = singleton(pair(doubleton(u,w),pair(mkInt(tycon(t).line),rhs)));
} else if (isTycon(t)) { /* deal with type constrs */
List cs = tycon(t).defn;
for (; hasCfun(cs); cs=tl(cs)) {
if (cfunOf(hd(tycon(t).defn))!=0) {
Cell u = inventVar();
Cell w = inventVar();
- alts = cons(pair(cons(u,singleton(w)),
+ implementConToTag(t);
+ alts = cons(pair(doubleton(u,w),
pair(mkInt(tycon(t).line),
- ap2(nameConCmp,u,w))),alts);
+ ap2(nameCompare,
+ ap(tycon(t).conToTag,u),
+ ap(tycon(t).conToTag,w)))),
+ alts);
}
alts = rev(alts);
} else { /* special case for tuples */
if (isAp(p)) {
e = ap2(nameCompare,arg(p),arg(q));
for (p=fun(p), q=fun(q); isAp(p); p=fun(p), q=fun(q)) {
- e = ap(ap2(nameCompAux,arg(p),arg(q)),e);
+ e = ap3(nameCompAux,arg(p),arg(q),e);
}
}
return pair(pats,pair(mkInt(line),e));
}
-static List local makeDPats2(h,n) /* generate pattern list */
-Cell h; /* by putting two new patterns with*/
-Int n; { /* head h and new var components */
- List us = getDiVars(2*n);
- List vs = NIL;
- Cell p;
- Int i;
-
- for (i=0, p=h; i<n; ++i) { /* make first version of pattern */
- p = ap(p,hd(us));
- us = tl(us);
- }
- vs = cons(p,vs);
-
- for (i=0, p=h; i<n; ++i) { /* make second version of pattern */
- p = ap(p,hd(us));
- us = tl(us);
- }
- return cons(p,vs);
-}
/* --------------------------------------------------------------------------
* Deriving Ix and Enum:
List deriveEnum(t) /* Construct definition of enumeration */
Tycon t; {
- Int l = tycon(t).line;
+ Int l = tycon(t).line;
+ Cell x = inventVar();
+ Cell y = inventVar();
+ Cell first = hd(tycon(t).defn);
+ Cell last = tycon(t).defn;
if (!isEnumType(t)) {
ERRMSG(l) "Can only derive instances of Enum for enumeration types"
EEND;
}
-
- return cons(mkBind("toEnum",mkVarAlts(l,ap(nameEnToEn,hd(tycon(t).defn)))),
- cons(mkBind("fromEnum",mkVarAlts(l,nameEnFrEn)),
- cons(mkBind("enumFrom",mkVarAlts(l,nameEnFrom)),
- cons(mkBind("enumFromTo",mkVarAlts(l,nameEnFrTo)),
- cons(mkBind("enumFromThen",mkVarAlts(l,nameEnFrTh)),NIL)))));
+ while (hasCfun(tl(last))) {
+ last = tl(last);
+ }
+ last = hd(last);
+ implementConToTag(t);
+ implementTagToCon(t);
+ return cons(mkBind("toEnum", mkVarAlts(l,tycon(t).tagToCon)),
+ cons(mkBind("fromEnum", mkVarAlts(l,tycon(t).conToTag)),
+ NIL));
}
+
+static List local mkIxBindsEnum ( Tycon );
+static List local mkIxBinds ( Int,Cell,Int );
+static Cell local prodRange ( Int,List,Cell,Cell,Cell );
+static Cell local prodIndex ( Int,List,Cell,Cell,Cell );
+static Cell local prodInRange ( Int,List,Cell,Cell,Cell );
+
List deriveIx(t) /* Construct definition of indexing */
Tycon t; {
if (isEnumType(t)) { /* Definitions for enumerations */
- return cons(mkBind("range",mkVarAlts(tycon(t).line,nameEnRange)),
- cons(mkBind("index",mkVarAlts(tycon(t).line,nameEnIndex)),
- cons(mkBind("inRange",mkVarAlts(tycon(t).line,nameEnInRng)),
- NIL)));
+ implementConToTag(t);
+ implementTagToCon(t);
+ return mkIxBindsEnum(t);
} else if (isTuple(t)) { /* Definitions for product types */
return mkIxBinds(0,t,tupleOf(t));
} else if (isTycon(t) && cfunOf(hd(tycon(t).defn))==0) {
return NIL;/* NOTREACHED*/
}
-static Bool local isEnumType(t) /* Determine whether t is an enumeration */
-Tycon t; { /* type (i.e. all constructors arity == 0) */
- if (isTycon(t) && (tycon(t).what==DATATYPE || tycon(t).what==NEWTYPE)) {
- List cs = tycon(t).defn;
- for (; hasCfun(cs); cs=tl(cs)) {
- if (name(hd(cs)).arity!=0) {
- return FALSE;
- }
- }
- /* ToDo: correct? addCfunTable(t); */
- return TRUE;
- }
- return FALSE;
+/* instance Ix T where
+ * range (c1,c2) = map tagToCon [conToTag c1 .. conToTag c2]
+ * index b@(c1,c2) ci
+ * | inRange b ci = conToTag ci - conToTag c1
+ * | otherwise = error "Ix.index.T: Index out of range."
+ * inRange (c1,c2) ci = conToTag c1 <= i && i <= conToTag c2
+ * where i = conToTag ci
+ */
+static List local mkIxBindsEnum(t)
+Tycon t; {
+ Int l = tycon(t).line;
+ Name tagToCon = tycon(t).tagToCon;
+ Name conToTag = tycon(t).conToTag;
+ Cell b = inventVar();
+ Cell c1 = inventVar();
+ Cell c2 = inventVar();
+ Cell ci = inventVar();
+ return cons(mkBind("range", singleton(pair(singleton(ap2(mkTuple(2),
+ c1,c2)), pair(mkInt(l),ap2(nameMap,tagToCon,
+ ap2(nameFromTo,ap(conToTag,c1),
+ ap(conToTag,c2))))))),
+ cons(mkBind("index", singleton(pair(doubleton(ap(ASPAT,pair(b,
+ ap2(mkTuple(2),c1,c2))),ci),
+ pair(mkInt(l),ap(COND,
+ triple(ap2(nameInRange,b,ci),
+ ap2(nameMinus,ap(conToTag,ci),
+ ap(conToTag,c1)),
+ ap(nameError,mkStr(findText(
+ "Ix.index: Index out of range"))))))))),
+ cons(mkBind("inRange",singleton(pair(doubleton(ap2(mkTuple(2),
+ c1,c2),ci), pair(mkInt(l),ap2(nameAnd,
+ ap2(nameLe,ap(conToTag,c1),ap(conToTag,ci)),
+ ap2(nameLe,ap(conToTag,ci),
+ ap(conToTag,c2))))))),
+ /* ToDo: share conToTag ci */
+ NIL)));
}
static List local mkIxBinds(line,h,n) /* build bindings for derived Ix on*/
Cell ls = h;
Cell us = h;
Cell is = h;
+ Cell js = h;
Cell pr = NIL;
Cell pats = NIL;
+
Int i;
for (i=0; i<n; ++i, vs=tl(vs)) { /* build three patterns for values */
ls = ap(ls,hd(vs)); /* of the datatype concerned */
us = ap(us,hd(vs=tl(vs)));
is = ap(is,hd(vs=tl(vs)));
+ js = ap(js,hd(vs)); /* ... and one expression */
}
pr = ap2(mkTuple(2),ls,us); /* Build (ls,us) */
pats = cons(pr,cons(is,NIL)); /* Build [(ls,us),is] */
- return cons(prodRange(line,singleton(pr),ls,us,is),
- cons(prodIndex(line,pats,ls,us,is),
- cons(prodInRange(line,pats,ls,us,is),NIL)));
+ return cons(prodRange(line,singleton(pr),ls,us,js),
+ cons(prodIndex(line,pats,ls,us,is),
+ cons(prodInRange(line,pats,ls,us,is),
+ NIL)));
}
static Cell local prodRange(line,pats,ls,us,is)
return mkBind("inRange",e);
}
+
/* --------------------------------------------------------------------------
* Deriving Show:
* ------------------------------------------------------------------------*/
if (defaultSyntax(name(h).text)==APPLIC) {
rhs = ap(showsBQ,
ap2(nameComp,
- ap(nameApp,mkStr(name(h).text)),
+ ap(nameApp,mkStr(fixLitText(name(h).text))),
ap(showsBQ,rhs)));
} else {
- rhs = ap2(nameComp,ap(nameApp,mkStr(name(h).text)),rhs);
+ rhs = ap2(nameComp,
+ ap(nameApp,mkStr(fixLitText(name(h).text))),rhs);
}
rhs = ap2(nameComp,
* Deriving Bounded:
* ------------------------------------------------------------------------*/
-#if DERIVE_BOUNDED
-
List deriveBounded(t) /* construct definition of bounds */
Tycon t; {
if (isEnumType(t)) {
cons(mkBind("maxBound",mkVarAlts(line,maxB)),
NIL));
}
-#endif /* DERIVE_BOUNDED */
+
+
+/* --------------------------------------------------------------------------
+ * Helpers: conToTag and tagToCon
+ * ------------------------------------------------------------------------*/
+
+/* \ v -> case v of { ...; Ci _ _ -> i; ... } */
+Void implementConToTag(t)
+Tycon t; {
+ if (isNull(tycon(t).conToTag)) {
+ List cs = tycon(t).defn;
+ Name nm = newName(inventText(),NIL);
+ StgVar v = mkStgVar(NIL,NIL);
+ List alts = NIL; /* can't fail */
+
+ assert(isTycon(t) && (tycon(t).what==DATATYPE
+ || tycon(t).what==NEWTYPE));
+ for (; hasCfun(cs); cs=tl(cs)) {
+ Name c = hd(cs);
+ Int num = cfunOf(c) == 0 ? 0 : cfunOf(c)-1;
+ StgVar r = mkStgVar(mkStgCon(nameMkI,singleton(mkInt(num))),
+ NIL);
+ StgExpr tag = mkStgLet(singleton(r),r);
+ List vs = NIL;
+ Int i;
+ for(i=0; i < name(c).arity; ++i) {
+ vs = cons(mkStgVar(NIL,NIL),vs);
+ }
+ alts = cons(mkStgCaseAlt(c,vs,tag),alts);
+ }
+
+ name(nm).line = tycon(t).line;
+ name(nm).type = conToTagType(t);
+ name(nm).arity = 1;
+ name(nm).stgVar = mkStgVar(mkStgLambda(singleton(v),mkStgCase(v,alts)),
+ NIL);
+ tycon(t).conToTag = nm;
+ /* hack to make it print out */
+ stgGlobals = cons(pair(nm,name(nm).stgVar),stgGlobals);
+ }
+}
+
+/* \ v -> case v of { ...; i -> Ci; ... } */
+Void implementTagToCon(t)
+Tycon t; {
+ if (isNull(tycon(t).tagToCon)) {
+ String tyconname;
+ List cs;
+ Name nm;
+ StgVar v1;
+ StgVar v2;
+ Cell txt0;
+ StgVar bind1;
+ StgVar bind2;
+ StgVar bind3;
+ List alts;
+ char etxt[200];
+
+ assert(nameMkA);
+ assert(nameUnpackString);
+ assert(nameError);
+ assert(isTycon(t) && (tycon(t).what==DATATYPE
+ || tycon(t).what==NEWTYPE));
+
+ tyconname = textToStr(tycon(t).text);
+ if (strlen(tyconname) > 100)
+ internal("implementTagToCon: tycon name too long");
+
+ sprintf(etxt,
+ "out-of-range arg for `toEnum' "
+ "in derived `instance Enum %s'",
+ tyconname);
+
+ cs = tycon(t).defn;
+ nm = newName(inventText(),NIL);
+ v1 = mkStgVar(NIL,NIL);
+ v2 = mkStgPrimVar(NIL,mkStgRep(INT_REP),NIL);
+
+ txt0 = mkStr(findText(etxt));
+ bind1 = mkStgVar(mkStgCon(nameMkA,singleton(txt0)),NIL);
+ bind2 = mkStgVar(mkStgApp(nameUnpackString,singleton(bind1)),NIL);
+ bind3 = mkStgVar(mkStgApp(nameError,singleton(bind2)),NIL);
+
+ alts = singleton(
+ mkStgPrimAlt(
+ singleton(
+ mkStgPrimVar(NIL,mkStgRep(INT_REP),NIL)
+ ),
+ makeStgLet ( tripleton(bind1,bind2,bind3), bind3 )
+ )
+ );
+
+ for (; hasCfun(cs); cs=tl(cs)) {
+ Name c = hd(cs);
+ Int num = cfunOf(c) == 0 ? 0 : cfunOf(c)-1;
+ StgVar pat = mkStgPrimVar(mkInt(num),mkStgRep(INT_REP),NIL);
+ assert(name(c).arity==0);
+ alts = cons(mkStgPrimAlt(singleton(pat),c),alts);
+ }
+
+ name(nm).line = tycon(t).line;
+ name(nm).type = tagToConType(t);
+ name(nm).arity = 1;
+ name(nm).stgVar = mkStgVar(
+ mkStgLambda(
+ singleton(v1),
+ mkStgCase(
+ v1,
+ singleton(
+ mkStgCaseAlt(
+ nameMkI,
+ singleton(v2),
+ mkStgPrimCase(v2,alts))))),
+ NIL
+ );
+ tycon(t).tagToCon = nm;
+ /* hack to make it print out */
+ stgGlobals = cons(pair(nm,name(nm).stgVar),stgGlobals);
+ }
+}
/* --------------------------------------------------------------------------
Void deriveControl(what)
Int what; {
- Text textPrelude = findText("PreludeBuiltin");
switch (what) {
- case INSTALL :
- varTrue = mkQVar(textPrelude,findText("True"));
- varFalse = mkQVar(textPrelude,findText("False"));
-#if DERIVE_ORD
- varCompAux = mkQVar(textPrelude,findText("primCompAux"));
- varCompare = mkQVar(textPrelude,findText("compare"));
- varEQ = mkQVar(textPrelude,findText("EQ"));
-#endif
-#if DERIVE_IX
- varRangeSize = mkQVar(textPrelude,findText("rangeSize"));
- varInRange = mkQVar(textPrelude,findText("inRange"));
- varRange = mkQVar(textPrelude,findText("range"));
- varIndex = mkQVar(textPrelude,findText("index"));
- varMult = mkQVar(textPrelude,findText("*"));
- varPlus = mkQVar(textPrelude,findText("+"));
- varMap = mkQVar(textPrelude,findText("map"));
- varMinus = mkQVar(textPrelude,findText("-"));
- varError = mkQVar(textPrelude,findText("error"));
-#endif
-#if DERIVE_ENUM
- varToEnum = mkQVar(textPrelude,findText("toEnum"));
- varFromEnum = mkQVar(textPrelude,findText("fromEnum"));
- varEnumFromTo = mkQVar(textPrelude,findText("enumFromTo"));
- varEnumFromThenTo = mkQVar(textPrelude,findText("enumFromThenTo"));
-#endif
-#if DERIVE_BOUNDED
- varMinBound = mkQVar(textPrelude,findText("minBound"));
- varMaxBound = mkQVar(textPrelude,findText("maxBound"));
-#endif
-#if DERIVE_SHOW
- conCons = mkQCon(textPrelude,findText(":"));
- varShowField = mkQVar(textPrelude,findText("primShowField"));
- varShowParen = mkQVar(textPrelude,findText("showParen"));
- varCompose = mkQVar(textPrelude,findText("."));
- varShowsPrec = mkQVar(textPrelude,findText("showsPrec"));
- varLe = mkQVar(textPrelude,findText("<="));
-#endif
-#if DERIVE_READ
- varReadField = mkQVar(textPrelude,findText("primReadField"));
- varReadParen = mkQVar(textPrelude,findText("readParen"));
- varLex = mkQVar(textPrelude,findText("lex"));
- varReadsPrec = mkQVar(textPrelude,findText("readsPrec"));
- varGt = mkQVar(textPrelude,findText(">"));
-#endif
-#if DERIVE_SHOW || DERIVE_READ
- varAppend = mkQVar(textPrelude,findText("++"));
-#endif
-#if DERIVE_EQ || DERIVE_IX
- varAnd = mkQVar(textPrelude,findText("&&"));
-#endif
-#if DERIVE_EQ || DERIVE_ORD
- varEq = mkQVar(textPrelude,findText("=="));
-#endif
- /* deliberate fall through */
+ case PREPREL :
case RESET :
diVars = NIL;
diNum = 0;
-#if DERIVE_SHOW | DERIVE_READ
cfunSfuns = NIL;
-#endif
break;
case MARK :
mark(diVars);
-#if DERIVE_SHOW | DERIVE_READ
mark(cfunSfuns);
-#endif
- mark(varTrue);
- mark(varFalse);
-#if DERIVE_ORD
- mark(varCompAux);
- mark(varCompare);
- mark(varEQ);
-#endif
-#if DERIVE_IX
- mark(varRangeSize);
- mark(varInRange);
- mark(varRange);
- mark(varIndex);
- mark(varMult);
- mark(varPlus);
- mark(varMap);
- mark(varMinus);
- mark(varError);
-#endif
-#if DERIVE_ENUM
- mark(varToEnum);
- mark(varFromEnum);
- mark(varEnumFromTo);
- mark(varEnumFromThenTo);
-#endif
-#if DERIVE_BOUNDED
- mark(varMinBound);
- mark(varMaxBound);
-#endif
-#if DERIVE_SHOW
- mark(conCons);
- mark(varShowField);
- mark(varShowParen);
- mark(varCompose);
- mark(varShowsPrec);
- mark(varLe);
-#endif
-#if DERIVE_READ
- mark(varReadField);
- mark(varReadParen);
- mark(varLex);
- mark(varReadsPrec);
- mark(varGt);
-#endif
-#if DERIVE_SHOW || DERIVE_READ
- mark(varAppend);
-#endif
-#if DERIVE_EQ || DERIVE_IX
- mark(varAnd);
-#endif
-#if DERIVE_EQ || DERIVE_ORD
- mark(varEq);
-#endif
break;
+
+ case POSTPREL: break;
}
}