internal static Ast FindFirst(Ast ast, Func <Ast, bool> predicate, bool searchNestedScriptBlocks)
{
AstSearcher visitor = new AstSearcher(predicate, true, searchNestedScriptBlocks);
ast.InternalVisit(visitor);
return(visitor.Results.FirstOrDefault <Ast>());
}
internal static IEnumerable <Ast> FindAll(Ast ast, Func <Ast, bool> predicate, bool searchNestedScriptBlocks)
{
AstSearcher visitor = new AstSearcher(predicate, false, searchNestedScriptBlocks);
ast.InternalVisit(visitor);
return(visitor.Results);
}
public IEnumerable <Ast> FindAll(Func <Ast, bool> predicate, bool searchNestedScriptBlocks)
{
if (predicate == null)
{
throw PSTraceSource.NewArgumentNullException("predicate");
}
return(AstSearcher.FindAll(this, predicate, searchNestedScriptBlocks));
}
internal static bool Contains(Ast ast, Func <Ast, bool> predicate, bool searchNestedScriptBlocks)
{
Diagnostics.Assert(ast != null && predicate != null, "caller to verify arguments");
var searcher = new AstSearcher(predicate, stopOnFirst: true, searchNestedScriptBlocks: searchNestedScriptBlocks);
ast.InternalVisit(searcher);
return(searcher.Results.FirstOrDefault() != null);
}
internal static IEnumerable <Ast> FindAll(Ast ast, Func <Ast, bool> predicate, bool searchNestedScriptBlocks)
{
Diagnostics.Assert(ast != null && predicate != null, "caller to verify arguments");
var searcher = new AstSearcher(predicate, stopOnFirst: false, searchNestedScriptBlocks: searchNestedScriptBlocks);
ast.InternalVisit(searcher);
return(searcher.Results);
}
internal static bool IsUsingDollarInput(Ast ast)
{
return(AstSearcher.Contains(
ast,
ast_ =>
{
var varAst = ast_ as VariableExpressionAst;
if (varAst != null)
{
return varAst.VariablePath.IsVariable &&
varAst.VariablePath.UnqualifiedPath.Equals(SpecialVariables.Input,
StringComparison.OrdinalIgnoreCase);
}
return false;
},
searchNestedScriptBlocks: false));
}
internal string GetWithInputHandlingForInvokeCommandImpl(Tuple <List <VariableExpressionAst>, string> usingVariablesTuple)
{
string str;
string str2;
PipelineAst ast = this.GetSimplePipeline(false, out str, out str2);
if (ast == null)
{
if (usingVariablesTuple != null)
{
return(this.ToStringForSerialization(usingVariablesTuple, base.Extent.StartOffset, base.Extent.EndOffset));
}
return(this.ToStringForSerialization());
}
if (ast.PipelineElements[0] is CommandExpressionAst)
{
if (usingVariablesTuple != null)
{
return(this.ToStringForSerialization(usingVariablesTuple, base.Extent.StartOffset, base.Extent.EndOffset));
}
return(this.ToStringForSerialization());
}
if (AstSearcher.IsUsingDollarInput(this))
{
if (usingVariablesTuple != null)
{
return(this.ToStringForSerialization(usingVariablesTuple, base.Extent.StartOffset, base.Extent.EndOffset));
}
return(this.ToStringForSerialization());
}
StringBuilder builder = new StringBuilder();
if (this.ParamBlock != null)
{
string str3 = (usingVariablesTuple == null) ? this.ParamBlock.ToString() : this.ToStringForSerialization(usingVariablesTuple, this.ParamBlock.Extent.StartOffset, this.ParamBlock.Extent.EndOffset);
builder.Append(str3);
}
builder.Append("$input |");
string str4 = (usingVariablesTuple == null) ? ast.ToString() : this.ToStringForSerialization(usingVariablesTuple, ast.Extent.StartOffset, ast.Extent.EndOffset);
builder.Append(str4);
return(builder.ToString());
}
internal static Ast FindFirst(Ast ast, Func<Ast, bool> predicate, bool searchNestedScriptBlocks)
{
AstSearcher visitor = new AstSearcher(predicate, true, searchNestedScriptBlocks);
ast.InternalVisit(visitor);
return visitor.Results.FirstOrDefault<Ast>();
}
internal static IEnumerable<Ast> FindAll(Ast ast, Func<Ast, bool> predicate, bool searchNestedScriptBlocks)
{
AstSearcher visitor = new AstSearcher(predicate, false, searchNestedScriptBlocks);
ast.InternalVisit(visitor);
return visitor.Results;
}
internal override IEnumerable <PSTypeName> GetInferredType(CompletionContext context)
{
if (this.VariablePath.IsVariable)
{
Ast parent = this.Parent;
if (this.VariablePath.IsUnqualified && (this.VariablePath.UserPath.Equals("_", StringComparison.Ordinal) || this.VariablePath.UserPath.Equals("PSItem", StringComparison.OrdinalIgnoreCase)))
{
while (parent != null)
{
if (parent is ScriptBlockExpressionAst)
{
break;
}
parent = parent.Parent;
}
if (parent != null)
{
if ((parent.Parent is CommandExpressionAst) && (parent.Parent.Parent is PipelineAst))
{
if (parent.Parent.Parent.Parent is HashtableAst)
{
parent = parent.Parent.Parent.Parent;
}
else if ((parent.Parent.Parent.Parent is ArrayLiteralAst) && (parent.Parent.Parent.Parent.Parent is HashtableAst))
{
parent = parent.Parent.Parent.Parent.Parent;
}
}
if (parent.Parent is CommandParameterAst)
{
parent = parent.Parent;
}
CommandAst iteratorVariable1 = parent.Parent as CommandAst;
if (iteratorVariable1 != null)
{
PipelineAst iteratorVariable2 = (PipelineAst)iteratorVariable1.Parent;
int iteratorVariable3 = iteratorVariable2.PipelineElements.IndexOf(iteratorVariable1) - 1;
if (iteratorVariable3 >= 0)
{
foreach (PSTypeName iteratorVariable4 in iteratorVariable2.PipelineElements[0].GetInferredType(context))
{
if (iteratorVariable4.Type != null)
{
if (iteratorVariable4.Type.IsArray)
{
yield return(new PSTypeName(iteratorVariable4.Type.GetElementType()));
continue;
}
if (typeof(IEnumerable).IsAssignableFrom(iteratorVariable4.Type))
{
IEnumerable <Type> iteratorVariable5 = from t in iteratorVariable4.Type.GetInterfaces()
where t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(IEnumerable <>))
select t;
foreach (Type iteratorVariable6 in iteratorVariable5)
{
yield return(new PSTypeName(iteratorVariable6.GetGenericArguments()[0]));
}
continue;
}
}
yield return(iteratorVariable4);
}
}
goto Label_0833;
}
}
}
if (this.VariablePath.IsUnqualified)
{
for (int i = 0; i < SpecialVariables.AutomaticVariables.Length; i++)
{
if (this.VariablePath.UserPath.Equals(SpecialVariables.AutomaticVariables[i], StringComparison.OrdinalIgnoreCase))
{
Type type = SpecialVariables.AutomaticVariableTypes[i];
if (!type.Equals(typeof(object)))
{
yield return(new PSTypeName(type));
break;
}
break;
}
}
}
while (parent.Parent != null)
{
parent = parent.Parent;
}
if (parent.Parent is FunctionDefinitionAst)
{
parent = parent.Parent;
}
IEnumerable <Ast> source = AstSearcher.FindAll(parent, ast => (((ast is ParameterAst) || (ast is AssignmentStatementAst)) || (ast is ForEachStatementAst)) && this.AstAssignsToSameVariable(ast), true);
ParameterAst iteratorVariable10 = source.OfType <ParameterAst>().FirstOrDefault <ParameterAst>();
if (iteratorVariable10 != null)
{
PSTypeName[] iteratorVariable11 = iteratorVariable10.GetInferredType(context).ToArray <PSTypeName>();
if (iteratorVariable11.Length > 0)
{
foreach (PSTypeName iteratorVariable12 in iteratorVariable11)
{
yield return(iteratorVariable12);
}
goto Label_0833;
}
}
AssignmentStatementAst[] iteratorVariable13 = source.OfType <AssignmentStatementAst>().ToArray <AssignmentStatementAst>();
foreach (AssignmentStatementAst iteratorVariable14 in iteratorVariable13)
{
ConvertExpressionAst left = iteratorVariable14.Left as ConvertExpressionAst;
if ((left != null) && (left.StaticType != null))
{
yield return(new PSTypeName(left.StaticType));
goto Label_0833;
}
}
ForEachStatementAst iteratorVariable16 = source.OfType <ForEachStatementAst>().FirstOrDefault <ForEachStatementAst>();
if (iteratorVariable16 != null)
{
foreach (PSTypeName iteratorVariable17 in iteratorVariable16.Condition.GetInferredType(context))
{
yield return(iteratorVariable17);
}
}
else
{
int startOffset = this.Extent.StartOffset;
int iteratorVariable19 = 0x7fffffff;
AssignmentStatementAst iteratorVariable20 = null;
foreach (AssignmentStatementAst ast in iteratorVariable13)
{
int endOffset = ast.Extent.EndOffset;
if ((endOffset < startOffset) && ((startOffset - endOffset) < iteratorVariable19))
{
iteratorVariable19 = startOffset - endOffset;
iteratorVariable20 = ast;
}
}
if (iteratorVariable20 != null)
{
foreach (PSTypeName iteratorVariable21 in iteratorVariable20.Right.GetInferredType(context))
{
yield return(iteratorVariable21);
}
}
}
}
Label_0833:
yield break;
}
internal static bool Contains(Ast ast, Func<Ast, bool> predicate, bool searchNestedScriptBlocks)
{
Diagnostics.Assert(ast != null && predicate != null, "caller to verify arguments");
var searcher = new AstSearcher(predicate, stopOnFirst: true, searchNestedScriptBlocks: searchNestedScriptBlocks);
ast.InternalVisit(searcher);
return searcher.Results.FirstOrDefault() != null;
}
internal static IEnumerable<Ast> FindAll(Ast ast, Func<Ast, bool> predicate, bool searchNestedScriptBlocks)
{
Diagnostics.Assert(ast != null && predicate != null, "caller to verify arguments");
var searcher = new AstSearcher(predicate, stopOnFirst: false, searchNestedScriptBlocks: searchNestedScriptBlocks);
ast.InternalVisit(searcher);
return searcher.Results;
}
