internal override void AnalyzeNode()
{
// throw a warning discouraging the use of this statement
Context.HandleError(JSError.WithNotRecommended, false);
// hold onto the with-scope in case we need to do something with it
BlockScope withScope = (m_block == null ? null : m_block.BlockScope);
if (Parser.Settings.StripDebugStatements &&
Parser.Settings.IsModificationAllowed(TreeModifications.StripDebugStatements) &&
m_block != null &&
m_block.IsDebuggerStatement)
{
m_block = null;
}
// recurse
base.AnalyzeNode();
// we'd have to know what the object (obj) evaluates to before we
// can figure out what to add to the scope -- not possible without actually
// running the code. This could throw a whole bunch of 'undefined' errors.
if (m_block != null && m_block.Count == 0)
{
m_block = null;
}
// we got rid of the block -- tidy up the no-longer-needed scope
if (m_block == null && withScope != null)
{
// because the scope is empty, we now know it (it does nothing)
withScope.IsKnownAtCompileTime = true;
}
}
private void WriteBlockHeader(BlockScope blockScope, string blockType)
{
string scopeFlags = null;
var sb = StringBuilderPool.Acquire();
try
{
if (!blockScope.IsKnownAtCompileTime)
{
sb.Append('[');
sb.Append(AjaxMin.NotKnown);
sb.Append(']');
}
if (blockScope.UseStrict)
{
sb.Append(AjaxMin.ScopeIsStrictFlag);
}
scopeFlags = sb.ToString();
}
finally
{
sb.Release();
}
WriteProgress();
WriteProgress(AjaxMin.BlockScopeHeader.FormatInvariant(
blockType,
blockScope.Owner.Context.StartLineNumber,
blockScope.Owner.Context.StartColumn + 1,
scopeFlags));
}
private void WriteScopeReport(FunctionObject funcObj, ActivationObject scope)
{
// output the function header
if (scope is GlobalScope)
{
WriteProgress(StringMgr.GetString("GlobalObjectsHeader"));
}
else
{
FunctionScope functionScope = scope as FunctionScope;
if (functionScope != null && funcObj != null)
{
WriteFunctionHeader(funcObj, scope.IsKnownAtCompileTime);
}
else
{
BlockScope blockScope = scope as BlockScope;
if (blockScope is CatchScope)
{
WriteBlockHeader(blockScope, StringMgr.GetString("BlockTypeCatch"));
}
else if (blockScope is WithScope)
{
WriteBlockHeader(blockScope, StringMgr.GetString("BlockTypeWith"));
}
else
{
WriteProgress();
WriteProgress(StringMgr.GetString("UnknownScopeType", scope.GetType().ToString()));
}
}
}
// get all the fields in the scope
JSVariableField[] scopeFields = scope.GetFields();
// sort the fields
Array.Sort(scopeFields, FieldComparer.Instance);
// iterate over all the fields
foreach (JSVariableField variableField in scopeFields)
{
// don't report placeholder fields
if (!variableField.IsPlaceholder)
{
WriteMemberReport(variableField, scope);
}
}
}
private static Context GetContext(ActivationObject obj)
{
FunctionScope funcScope = obj as FunctionScope;
if (funcScope != null && funcScope.FunctionObject != null)
{
return(funcScope.FunctionObject.Context);
}
else
{
BlockScope blockScope = obj as BlockScope;
if (blockScope != null)
{
return(blockScope.Context);
}
}
return(null);
}
private void WriteBlockHeader(BlockScope blockScope, string blockType)
{
string knownMarker = string.Empty;
if (!blockScope.IsKnownAtCompileTime)
{
StringBuilder sb = new StringBuilder();
sb.Append('[');
sb.Append(StringMgr.GetString("NotKnown"));
sb.Append(']');
knownMarker = sb.ToString();
}
WriteProgress();
WriteProgress(StringMgr.GetString(
"BlockScopeHeader",
blockType,
blockScope.Context.StartLineNumber,
blockScope.Context.StartColumn,
knownMarker
));
}