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|
/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
** **
** $Id$
\* */
package scalac.ast;
import scalac.util.Name;
import Tree.*;
public class LazyTreeFactory extends AbstractTreeCopyFactory {
protected final TreeFactory make;
public LazyTreeFactory(TreeFactory make) {
this.make = make;
}
public Tree Bad(Tree tree) {
return tree;
}
public Tree ClassDef(Tree tree,
int mods,
Name name,
TypeDef[] tparams,
ValDef[][] vparams,
Tree tpe,
Template impl) {
ClassDef t = (ClassDef)tree;
if ((t.mods == mods) &&
(t.name == name) &&
(t.tparams == tparams) &&
(t.vparams == vparams) &&
(t.tpe == tpe) &&
(t.impl == impl))
return t;
tree = make.ClassDef(t.pos, mods, name, tparams, vparams, tpe, impl);
attribute(tree, t);
return tree;
}
public Tree PackageDef(Tree tree,
Tree packaged,
Template impl) {
PackageDef t = (PackageDef)tree;
if ((t.packaged == packaged) &&
(t.impl == impl))
return t;
tree = make.PackageDef(t.pos, packaged, impl);
attribute(tree, t);
return tree;
}
public Tree ModuleDef(Tree tree,
int mods,
Name name,
Tree tpe,
Template impl) {
ModuleDef t = (ModuleDef)tree;
if ((t.mods == mods) &&
(t.name == name) &&
(t.tpe == tpe) &&
(t.impl == impl))
return t;
tree = make.ModuleDef(t.pos, mods, name, tpe, impl);
attribute(tree, t);
return tree;
}
public Tree ValDef(Tree tree,
int mods,
Name name,
Tree tpe,
Tree rhs) {
ValDef t = (ValDef)tree;
if ((t.mods == mods) &&
(t.name == name) &&
(t.tpe == tpe) &&
(t.rhs == rhs))
return t;
tree = make.ValDef(t.pos, mods, name, tpe, rhs);
attribute(tree, t);
return tree;
}
public Tree PatDef(Tree tree,
int mods,
Tree pat,
Tree rhs) {
PatDef t = (PatDef)tree;
if ((t.mods == mods) &&
(t.pat == pat) &&
(t.rhs == rhs))
return t;
tree = make.PatDef(t.pos, mods, pat, rhs);
attribute(tree, t);
return tree;
}
public Tree DefDef(Tree tree,
int mods,
Name name,
TypeDef[] tparams,
ValDef[][] vparams,
Tree tpe,
Tree rhs) {
DefDef t = (DefDef)tree;
if ((t.mods == mods) &&
(t.name == name) &&
(t.tparams == tparams) &&
(t.vparams == vparams) &&
(t.tpe == tpe) &&
(t.rhs == rhs))
return t;
tree = make.DefDef(t.pos, mods, name, tparams, vparams, tpe, rhs);
attribute(tree, t);
return tree;
}
public Tree TypeDef(Tree tree,
int mods,
Name name,
TypeDef[] tparams,
Tree rhs) {
TypeDef t = (TypeDef)tree;
if ((t.mods == mods) &&
(t.name == name) &&
(t.tparams == tparams) &&
(t.rhs == rhs))
return t;
tree = make.TypeDef(t.pos, mods, name, tparams, rhs);
attribute(tree, t);
return tree;
}
public Tree Import(Tree tree,
Tree expr,
Name[] selectors) {
Import t = (Import)tree;
if (t.expr == expr && t.selectors == selectors)
return t;
tree = make.Import(t.pos, expr, selectors);
attribute(tree, t);
return tree;
}
public Tree CaseDef(Tree tree,
Tree pat,
Tree guard,
Tree body) {
CaseDef t = (CaseDef)tree;
if ((t.pat == pat) &&
(t.guard == guard) &&
(t.body == body))
return t;
tree = make.CaseDef(t.pos, pat, guard, body);
attribute(tree, t);
return tree;
}
public Template Template(Tree tree,
Tree[] parents,
Tree[] body) {
Template t = (Template)tree;
if ((t.parents == parents) &&
(t.body == body))
return t;
Template newTree = make.Template(t.pos, parents, body);
attribute(newTree, t);
return newTree;
}
public Tree LabelDef(Tree tree,
Tree[] params,
Tree rhs) {
LabelDef t = (LabelDef)tree;
if ((t.params == params) &&
(t.rhs == rhs))
return t;
tree = make.LabelDef(t.pos,params,rhs);
attribute(tree,t);
return tree;
}
public Tree Block(Tree tree,
Tree[] stats) {
Block t = (Block)tree;
if (t.stats == stats)
return t;
tree = make.Block(t.pos, stats);
attribute(tree, t);
return tree;
}
public Tree Tuple(Tree tree,
Tree[] trees) {
Tuple t = (Tuple)tree;
if (t.trees == trees)
return t;
tree = make.Tuple(t.pos, trees);
attribute(tree, t);
return tree;
}
public Tree Visitor(Tree tree,
CaseDef[] cases) {
Visitor t = (Visitor)tree;
if (t.cases == cases)
return t;
tree = make.Visitor(t.pos, cases);
attribute(tree, t);
return tree;
}
public Tree Function(Tree tree,
ValDef[] vparams,
Tree body) {
Function t = (Function)tree;
if ((t.vparams == vparams) &&
(t.body == body))
return t;
tree = make.Function(t.pos, vparams, body);
attribute(tree, t);
return tree;
}
public Tree Assign(Tree tree,
Tree lhs,
Tree rhs) {
Assign t = (Assign)tree;
if ((t.lhs == lhs) &&
(t.rhs == rhs))
return t;
tree = make.Assign(t.pos, lhs, rhs);
attribute(tree, t);
return tree;
}
public Tree If(Tree tree,
Tree cond,
Tree thenp,
Tree elsep) {
If t = (If)tree;
if ((t.cond == cond) &&
(t.thenp == thenp) &&
(t.elsep == elsep))
return t;
tree = make.If(t.pos, cond, thenp, elsep);
attribute(tree, t);
return tree;
}
public Tree New(Tree tree,
Template templ) {
New t = (New)tree;
if (t.templ == templ)
return t;
tree = make.New(t.pos, templ);
attribute(tree, t);
return tree;
}
public Tree Typed(Tree tree,
Tree expr,
Tree tpe) {
Typed t = (Typed)tree;
if ((t.expr == expr) &&
(t.tpe == tpe))
return t;
tree = make.Typed(t.pos, expr, tpe);
attribute(tree, t);
return tree;
}
public Tree TypeApply(Tree tree,
Tree fun,
Tree[] args) {
TypeApply t = (TypeApply)tree;
if ((t.fun == fun) &&
(t.args == args))
return t;
tree = make.TypeApply(t.pos, fun, args);
attribute(tree, t);
return tree;
}
public Tree Apply(Tree tree,
Tree fun,
Tree[] args) {
Apply t = (Apply)tree;
if ((t.fun == fun) &&
(t.args == args))
return t;
tree = make.Apply(t.pos, fun, args);
attribute(tree, t);
return tree;
}
public Tree Super(Tree tree,
Tree tpe) {
Super t = (Super)tree;
if (t.tpe == tpe)
return t;
tree = make.Super(t.pos, tpe);
attribute(tree, t);
return tree;
}
public Tree This(Tree tree,
Tree qualifier) {
This t = (This)tree;
if (t.qualifier == qualifier)
return t;
tree = make.This(t.pos, qualifier);
attribute(tree, t);
return tree;
}
public Tree Select(Tree tree,
Tree qualifier,
Name selector) {
Select t = (Select)tree;
if ((t.qualifier == qualifier) &&
(t.selector == selector))
return t;
tree = make.Select(t.pos, qualifier, selector);
attribute(tree, t);
return tree;
}
public Tree Ident(Tree tree,
Name name) {
Ident t = (Ident)tree;
if (t.name == name)
return t;
tree = make.Ident(t.pos, name);
attribute(tree, t);
return tree;
}
public Tree Literal(Tree tree,
Object value) {
Literal t = (Literal)tree;
if (t.value == value)
return t;
tree = make.Literal(t.pos, value);
attribute(tree, t);
return tree;
}
public Tree SingletonType(Tree tree,
Tree ref) {
SingletonType t = (SingletonType)tree;
if (t.ref == ref)
return t;
tree = make.SingletonType(t.pos, ref);
attribute(tree, t);
return tree;
}
public Tree SelectFromType(Tree tree,
Tree qualifier,
Name selector) {
SelectFromType t = (SelectFromType)tree;
if (t.qualifier == qualifier &&
t.selector == selector)
return t;
tree = make.SelectFromType(t.pos, qualifier, selector);
attribute(tree, t);
return tree;
}
public Tree FunType(Tree tree,
Tree[] argtpes,
Tree restpe) {
FunType t = (FunType)tree;
if ((t.argtpes == argtpes) &&
(t.restpe == restpe))
return t;
tree = make.FunType(t.pos, argtpes, restpe);
attribute(tree, t);
return tree;
}
public Tree CompoundType(Tree tree,
Tree[] parents,
Tree[] refinements) {
CompoundType t = (CompoundType)tree;
if ((t.parents == parents) &&
(t.refinements == refinements))
return t;
tree = make.CompoundType(t.pos, parents, refinements);
attribute(tree, t);
return tree;
}
public Tree TupleType(Tree tree,
Tree[] types) {
TupleType t = (TupleType)tree;
if (t.types == types)
return t;
tree = make.TupleType(t.pos, types);
attribute(tree, t);
return tree;
}
public Tree AppliedType(Tree tree,
Tree tpe,
Tree[] args) {
AppliedType t = (AppliedType)tree;
if ((t.tpe == tpe) &&
(t.args == args))
return t;
tree = make.AppliedType(t.pos, tpe, args);
attribute(tree, t);
return tree;
}
public Tree CovariantType(Tree tree,
Tree tpe) {
CovariantType t = (CovariantType)tree;
if (t.tpe == tpe) return t;
tree = make.CovariantType(t.pos, tpe);
attribute(tree, t);
return tree;
}
}
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