public ExprAssignment(Ctx ctx, ExprVar target, Expr expr)
: base(ctx)
{
this.Target = target;
this.Expr = expr;
}
private AssignmentInfo GetAInfo(ExprVar e) {
return this.assignments.ValueOrDefault(e, () => new AssignmentInfo(), true);
}
private bool AreClustered(ExprVar a, ExprVar b) {
return phiClusters.Any(x => x.Contains(a) && x.Contains(b));
}
protected override ICode VisitVar(ExprVar e) {
var aInfo = this.GetAInfo(e);
aInfo.count++;
if (this.inPhiCount > 0) {
aInfo.mustKeep = true;
}
return base.VisitVar(e);
}
public Updater(ExprVar target) {
this.target = target;
}
protected override ICode VisitVar(ExprVar e) {
this.js.Append(this.resolver.LocalVarNames[e]);
// Extra var processing
this.vars.Add(e);
if (e.ExprType == Expr.NodeType.VarParameter) {
if (!this.parameters.ContainsKey(((ExprVarParameter)e).Parameter)) {
this.parameters.Add(((ExprVarParameter)e).Parameter, e);
}
}
// Need to visit into phi variables to check for parameters
if (e.ExprType == Expr.NodeType.VarPhi) {
var args = ((ExprVarPhi)e).Exprs.Where(x => x.ExprType == Expr.NodeType.VarParameter).Cast<ExprVarParameter>();
foreach (var arg in args) {
if (!this.parameters.ContainsKey(arg.Parameter)) {
this.parameters.Add(arg.Parameter, arg);
}
}
}
return e;
}
public StmtAssignment(Ctx ctx, ExprVar target, Expr expr)
: base(ctx) {
this.Target = target;
this.Expr = expr;
}
protected override ICode VisitVar(ExprVar e) {
this.vars.Add(e);
return e;
}
public Catch(Stmt stmt, ExprVar exceptionVar) {
this.Stmt = stmt;
this.ExceptionVar = exceptionVar;
}
public Catch(Stmt stmt, ExprVar exceptionVar)
{
this.Stmt = stmt;
this.ExceptionVar = exceptionVar;
}
