@Override
public Node leave(Node old, Node n, NodeVisitor v) {
if (CEExt_c.ext(n).isConditionSet()) {
// it's a set condition!
Call c = (Call) n;
if (c.target() instanceof Local) {
// ignore local conditions, we're only interested in fields
} else if (c.target() instanceof Field) {
Field f = (Field) c.target();
this.setConds.addAll(autil.abstractLocations(f));
} else {
throw new InternalCompilerError("Can't handle " + n);
}
}
if (n instanceof Call) {
process((Call) n);
} else if (n instanceof New) {
process((New) n);
} else if (n instanceof ConstructorCall) {
process((ConstructorCall) n);
}
return n;
}
private boolean expectsBoxed(Call call, Node arg) {
// implicit this argument also is present
if (call.target() == arg)
return isBoxedType(call.target().type()); // targets of primitive types are unboxed
int i = call.arguments().indexOf(arg);
if (i < 0) throw new InternalCompilerError("BoxingPropagator: cannot find argument in call");
Type type = call.methodInstance().def().formalTypes().get(i).get();
return isBoxedType(type);
}
protected void process(Call n) {
CEProcedureCallExt ext = (CEProcedureCallExt) CEExt_c.ext(n);
MethodInstance mi = n.methodInstance();
SetConditionsAbsVal scs = autil.call(mi, n);
this.setConds.addAll(scs.setConditions());
ext.recordSetConditionsResults(this.autil.currentContext(), scs.setConditions());
}
@Override
public Node typeCheck(ContextVisitor tc) throws SemanticException {
RuleDef sym = null;
MethodInstance mi = call.methodInstance();
IbexClassType ct = (IbexClassType) mi.container();
for (RuleInstance rule : ct.rules()) {
if (rule.name() == mi.name()) sym = rule.def();
}
if (sym == null) throw new SemanticException("Cannot find rule for " + mi);
RhsInvoke n = (RhsInvoke) symbol(sym.asNonterminal()).type(call.type());
if (assocTag) {
Context c = tc.context();
CodeDef code = c.currentCode();
if (code instanceof RuleDef) {
RuleDef rd = (RuleDef) code;
if (rd != sym)
throw new SemanticException(
"Associativity annotation must be self-recursive.", position());
}
}
if (!call.type().isVoid()) {
TypeSystem ts = tc.typeSystem();
LocalDef li = ts.localDef(position(), Flags.FINAL, Types.ref(call.type()), call.name().id());
// Formal parameters are never compile-time constants.
li.setNotConstant();
IbexNodeFactory nf = (IbexNodeFactory) tc.nodeFactory();
LocalDecl ld =
nf.LocalDecl(
position(),
nf.FlagsNode(position(), li.flags()),
nf.CanonicalTypeNode(position(), li.type()),
nf.Id(position(), li.name()));
ld = ld.localDef(li);
ld = ld.init(n);
return nf.RhsSyntheticBind(position(), ld).type(n.type());
}
return n;
}
public String toString() {
return (assocTag ? "^" : "") + call.toString();
}
private Node translateExtendedFor(ExtendedFor n, List<String> labels) throws SemanticException {
if (n.expr().type().isArray()) {
return translateExtForArray(n, labels);
}
Position pos = Position.compilerGenerated();
Type iterType = ts.typeForName("java.util.Iterator");
Type iteratedType = n.decl().type().type();
// translate "L1,...,Ln: for (C x: e) b" to
// "{ Iterator iter = e.iterator(); L1,...,Ln: while (iter.hasNext();) { C x = (C)iter.next();
// b }"
// Create the iter declaration "Iterator iter = e.iterator()"
Id iterName = freshName("iter");
LocalDecl iterDecl;
LocalInstance iterLI = ts.localInstance(pos, Flags.NONE, iterType, iterName.id());
{
Id id = nodeFactory().Id(pos, "iterator");
Call iterator = nodeFactory().Call(pos, n.expr(), id);
iterator = (Call) iterator.type(iterType);
iterator =
iterator.methodInstance(
ts.findMethod(
n.expr().type().toClass(),
"iterator",
Collections.<Type>emptyList(),
this.context().currentClass()));
iterDecl =
nodeFactory()
.LocalDecl(
pos,
Flags.NONE,
nodeFactory().CanonicalTypeNode(pos, iterType),
iterName,
iterator);
iterDecl = iterDecl.localInstance(iterLI);
}
// create the loop body
List<Stmt> loopBody = new ArrayList<Stmt>();
{
Id id = nodeFactory().Id(pos, "next");
Call call =
nodeFactory()
.Call(
pos,
((Local) nodeFactory().Local(pos, iterName).type(iterType))
.localInstance(iterDecl.localInstance()),
id);
call = (Call) call.type(ts.Object());
call =
call.methodInstance(
ts.findMethod(
iterType.toClass(),
"next",
Collections.<Type>emptyList(),
this.context().currentClass()));
Cast cast = nodeFactory().Cast(pos, nodeFactory().CanonicalTypeNode(pos, iteratedType), call);
cast = (Cast) cast.type(iteratedType);
loopBody.add(n.decl().init(cast));
loopBody.add(n.body());
}
// create the while loop
While loop;
{
Id id = nodeFactory().Id(pos, "hasNext");
Call cond =
nodeFactory()
.Call(
pos,
((Local) nodeFactory().Local(pos, iterName).type(iterType))
.localInstance(iterDecl.localInstance()),
id);
cond = (Call) cond.type(ts.Boolean());
cond =
cond.methodInstance(
ts.findMethod(
iterType.toClass(),
"hasNext",
Collections.<Type>emptyList(),
this.context().currentClass()));
loop = nodeFactory().While(pos, cond, nodeFactory().Block(pos, loopBody));
}
return nodeFactory().Block(pos, iterDecl, labelStmt(loop, labels));
}
public CallSiteType getCallSiteType(Call call) {
return callGraph.isParallel(call.methodInstance().def())
? CallSiteType.CONCURRENT_CALL
: CallSiteType.NORMAL;
}