protected void EliminateVariable (JSNode context, JSVariable variable, JSExpression replaceWith, QualifiedMemberIdentifier method) {
{
var replacer = new VariableEliminator(
variable,
JSChangeTypeExpression.New(replaceWith, variable.GetActualType(TypeSystem), TypeSystem)
);
replacer.Visit(context);
}
{
var replacer = new VariableEliminator(variable, replaceWith);
var assignments = (from a in FirstPass.Assignments where
variable.Equals(a.NewValue) ||
a.NewValue.SelfAndChildrenRecursive.Any(variable.Equals)
select a).ToArray();
foreach (var a in assignments) {
if (!variable.Equals(a.NewValue))
replacer.Visit(a.NewValue);
}
}
Variables.Remove(variable.Identifier);
FunctionSource.InvalidateFirstPass(method);
}
public void VisitNode(JSFunctionExpression fn)
{
Function = fn;
FirstPass = GetFirstPass(Function.Method.QualifiedIdentifier);
VisitChildren(fn);
if (EnumeratorsToKill.Count > 0) {
// Rerun the static analyzer since we made major changes
InvalidateFirstPass();
FirstPass = GetFirstPass(Function.Method.QualifiedIdentifier);
// Scan to see if any of the enumerators we eliminated uses of are now
// unreferenced. If they are, eliminate them entirely.
foreach (var variable in EnumeratorsToKill) {
var variableName = variable.Name;
var accesses = (
from a in FirstPass.Accesses
where a.Source.Name == variableName
select a
);
if (!accesses.Any()) {
var eliminator = new VariableEliminator(
variable, new JSNullExpression()
);
eliminator.Visit(fn);
}
}
}
}
public void VisitNode(JSFunctionExpression fn)
{
Function = fn;
FirstPass = GetFirstPass(Function.Method.QualifiedIdentifier);
VisitChildren(fn);
if (EnumeratorsToKill.Count > 0)
{
// Rerun the static analyzer since we made major changes
InvalidateFirstPass();
FirstPass = GetFirstPass(Function.Method.QualifiedIdentifier);
// Scan to see if any of the enumerators we eliminated uses of are now
// unreferenced. If they are, eliminate them entirely.
foreach (var variable in EnumeratorsToKill)
{
var variableName = variable.Name;
var accesses = (
from a in FirstPass.Accesses
where a.Source.Name == variableName
select a
);
if (!accesses.Any())
{
var eliminator = new VariableEliminator(
variable, new JSNullExpression()
);
eliminator.Visit(fn);
}
}
}
}
protected void EliminateVariable(JSNode context, JSVariable variable, JSExpression replaceWith, QualifiedMemberIdentifier method)
{
{
var replacer = new VariableEliminator(
variable,
JSChangeTypeExpression.New(replaceWith, variable.GetActualType(TypeSystem), TypeSystem)
);
replacer.Visit(context);
}
{
var replacer = new VariableEliminator(variable, replaceWith);
var assignments = (from a in FirstPass.Assignments where
variable.Equals(a.NewValue) ||
a.NewValue.SelfAndChildrenRecursive.Any(variable.Equals)
select a).ToArray();
foreach (var a in assignments)
{
if (!variable.Equals(a.NewValue))
{
replacer.Visit(a.NewValue);
}
}
}
Variables.Remove(variable.Identifier);
FunctionSource.InvalidateFirstPass(method);
}
public void VisitNode(JSFunctionExpression fn)
{
// Create a new visitor for nested function expressions
if (Stack.OfType <JSFunctionExpression>().Skip(1).FirstOrDefault() != null)
{
var nested = new OptimizeArrayEnumerators(TypeSystem, FunctionSource);
nested.Visit(fn);
return;
}
Function = fn;
FirstPass = FunctionSource.GetFirstPass(Function.Method.QualifiedIdentifier);
VisitChildren(fn);
if (EnumeratorsToKill.Count > 0)
{
// Rerun the static analyzer since we made major changes
FunctionSource.InvalidateFirstPass(Function.Method.QualifiedIdentifier);
FirstPass = FunctionSource.GetFirstPass(Function.Method.QualifiedIdentifier);
// Scan to see if any of the enumerators we eliminated uses of are now
// unreferenced. If they are, eliminate them entirely.
foreach (var variable in EnumeratorsToKill)
{
var variableName = variable.Name;
var accesses = (
from a in FirstPass.Accesses
where a.Source.Name == variableName
select a
);
if (!accesses.Any())
{
var eliminator = new VariableEliminator(
variable, new JSNullExpression()
);
eliminator.Visit(fn);
}
}
}
}
protected void EliminateVariable(JSNode context, JSVariable variable, JSExpression replaceWith, QualifiedMemberIdentifier method)
{
{
var replacer = new VariableEliminator(
variable,
JSChangeTypeExpression.New(replaceWith, TypeSystem, variable.GetActualType(TypeSystem))
);
replacer.Visit(context);
}
{
var replacer = new VariableEliminator(variable, replaceWith);
var assignments = (from a in FirstPass.Assignments where
variable.Equals(a.NewValue) ||
a.NewValue.SelfAndChildrenRecursive.Any((_n) => variable.Equals(_n))
select a).ToArray();
foreach (var a in assignments)
{
if (variable.Equals(a.NewValue))
{
FirstPass.Assignments.Remove(a);
FirstPass.Assignments.Add(
new FunctionAnalysis1stPass.Assignment(
a.ParentNodeIndices, a.StatementIndex, a.NodeIndex,
a.Target, replaceWith, a.Operator,
a.TargetType, a.SourceType
)
);
}
else
{
replacer.Visit(a.NewValue);
}
}
}
Variables.Remove(variable.Identifier);
FunctionSource.InvalidateFirstPass(method);
}
public void VisitNode(JSFunctionExpression fn)
{
// Create a new visitor for nested function expressions
if (Stack.OfType<JSFunctionExpression>().Skip(1).FirstOrDefault() != null) {
var nested = new OptimizeArrayEnumerators(TypeSystem, FunctionSource);
nested.Visit(fn);
return;
}
Function = fn;
FirstPass = FunctionSource.GetFirstPass(Function.Method.QualifiedIdentifier);
VisitChildren(fn);
if (EnumeratorsToKill.Count > 0) {
// Rerun the static analyzer since we made major changes
FunctionSource.InvalidateFirstPass(Function.Method.QualifiedIdentifier);
FirstPass = FunctionSource.GetFirstPass(Function.Method.QualifiedIdentifier);
// Scan to see if any of the enumerators we eliminated uses of are now
// unreferenced. If they are, eliminate them entirely.
foreach (var variable in EnumeratorsToKill) {
var variableName = variable.Name;
var accesses = (
from a in FirstPass.Accesses
where a.Source.Name == variableName
select a
);
if (!accesses.Any()) {
var eliminator = new VariableEliminator(
variable, new JSNullExpression()
);
eliminator.Visit(fn);
}
}
}
}
protected void EliminateVariable(JSNode context, JSVariable variable, JSExpression replaceWith)
{
{
var replacer = new VariableEliminator(
variable,
JSChangeTypeExpression.New(replaceWith, TypeSystem, variable.GetExpectedType(TypeSystem))
);
replacer.Visit(context);
}
{
var replacer = new VariableEliminator(variable, replaceWith);
var assignments = (from a in FirstPass.Assignments where
variable.Equals(a.NewValue) ||
a.NewValue.AllChildrenRecursive.Any((_n) => variable.Equals(_n))
select a).ToArray();
foreach (var a in assignments) {
if (variable.Equals(a.NewValue)) {
FirstPass.Assignments.Remove(a);
FirstPass.Assignments.Add(
new FunctionAnalysis1stPass.Assignment(
a.StatementIndex, a.NodeIndex,
a.Target, replaceWith, a.Operator,
a.TargetType, a.SourceType
)
);
} else {
replacer.Visit(a.NewValue);
}
}
}
Variables.Remove(variable.Identifier);
}