public void VisitNode(JSFunctionExpression fn)
{
if (Stack.OfType <JSFunctionExpression>().Skip(1).FirstOrDefault() != null)
{
var nested = new IntroduceVariableDeclarations(fn.AllVariables, TypeInfo);
nested.Visit(fn);
return;
}
var existingDeclarations = new HashSet <string>(
fn.AllChildrenRecursive.OfType <JSVariableDeclarationStatement>()
.SelectMany(
(vds) =>
from vd in vds.Declarations
select((JSVariable)vd.Left).Identifier
).Union(
from tcb in fn.AllChildrenRecursive.OfType <JSTryCatchBlock>()
where tcb.CatchVariable != null
select tcb.CatchVariable.Identifier
)
);
foreach (var v_ in from v in Variables.Values
where !v.IsParameter &&
!existingDeclarations.Contains(v.Identifier)
select v)
{
ToDeclare.Add(v_);
}
VisitChildren(fn);
if (ToDeclare.Count > 0)
{
fn.Body.Statements.Insert(
0, new JSVariableDeclarationStatement(
(from v in ToDeclare
select new JSBinaryOperatorExpression(
JSOperator.Assignment, v,
v.DefaultValue,
v.Type
)).ToArray()
)
);
}
}
public void VisitNode(JSFunctionExpression fn)
{
if (Stack.OfType<JSFunctionExpression>().Skip(1).FirstOrDefault() != null) {
var nested = new IntroduceVariableDeclarations(fn.AllVariables, TypeInfo);
nested.Visit(fn);
return;
}
var existingDeclarations = new HashSet<string>(
fn.AllChildrenRecursive.OfType<JSVariableDeclarationStatement>()
.SelectMany(
(vds) =>
from vd in vds.Declarations
select ((JSVariable)vd.Left).Identifier
).Union(
from tcb in fn.AllChildrenRecursive.OfType<JSTryCatchBlock>()
where tcb.CatchVariable != null
select tcb.CatchVariable.Identifier
)
);
foreach (var v_ in from v in Variables.Values
where !v.IsParameter &&
!existingDeclarations.Contains(v.Identifier)
select v)
{
ToDeclare.Add(v_);
}
VisitChildren(fn);
if (ToDeclare.Count > 0)
fn.Body.Statements.Insert(
0, new JSVariableDeclarationStatement(
(from v in ToDeclare
select new JSBinaryOperatorExpression(
JSOperator.Assignment, v,
v.DefaultValue,
v.IdentifierType
)).ToArray()
)
);
}