private static DirectiveStack ApplyDirectivesToTrivia(GreenNode triviaList, DirectiveStack stack)
{
if (triviaList != null && triviaList.ContainsDirectives)
{
return(ApplyDirectivesToListOrNode(triviaList, stack));
}
return(stack);
}
public override DirectiveStack ApplyDirectives(DirectiveStack stack)
{
if (this.ContainsDirectives)
{
stack = ApplyDirectivesToTrivia(this.GetLeadingTrivia(), stack);
stack = ApplyDirectivesToTrivia(this.GetTrailingTrivia(), stack);
}
return(stack);
}
private bool IsPreprocessorSymbolDefined(DirectiveStack directives, string symbolName)
{
switch (directives.IsDefined(symbolName))
{
case DefineState.Defined:
return(true);
case DefineState.Undefined:
return(false);
default:
return(this.Options.PreprocessorSymbols.Contains(symbolName));
}
}
public static DirectiveStack ApplyDirectives(GreenNode node, DirectiveStack stack)
{
if (node.ContainsDirectives)
{
for (int i = 0, n = node.SlotCount; i < n; i++)
{
var child = node.GetSlot(i);
if (child != null)
{
stack = ApplyDirectivesToListOrNode(child, stack);
}
}
}
return(stack);
}
public bool IncrementallyEquivalent(DirectiveStack other)
{
var mine = SkipInsignificantDirectives(_directives);
var theirs = SkipInsignificantDirectives(other._directives);
bool mineHasAny = mine != null && mine.Any();
bool theirsHasAny = theirs != null && theirs.Any();
while (mineHasAny && theirsHasAny)
{
if (!mine.Head.IncrementallyEquivalent(theirs.Head))
{
return(false);
}
mine = SkipInsignificantDirectives(mine.Tail);
theirs = SkipInsignificantDirectives(theirs.Tail);
mineHasAny = mine != null && mine.Any();
theirsHasAny = theirs != null && theirs.Any();
}
return(mineHasAny == theirsHasAny);
}
public void SetDirectiveStack(DirectiveStack directives)
{
_directives = directives;
_hasDirectives = true;
}
public static DirectiveStack ApplyDirectivesToListOrNode(GreenNode listOrNode, DirectiveStack stack)
{
// If we have a list of trivia, then that node is not actually a LeeSyntaxNode.
// Just defer to our standard ApplyDirectives helper as it will do the appropriate
// walking of this list to ApplyDirectives to the children.
if (listOrNode.RawKind == GreenNode.ListKind)
{
return(ApplyDirectives(listOrNode, stack));
}
else
{
// Otherwise, we must have an actual piece of C# trivia. Just apply the stack
// to that node directly.
return(((LeeSyntaxNode)listOrNode).ApplyDirectives(stack));
}
}
public virtual DirectiveStack ApplyDirectives(DirectiveStack stack)
{
return(ApplyDirectives(this, stack));
}
public ParsedSyntaxTree(SourceText textOpt, string path, ParseOptions options, LeeSyntaxNode root, DirectiveStack directives)
{
Debug.Assert(root != null);
Debug.Assert(options != null);
Debug.Assert(textOpt != null);
_lazyText = textOpt;
_options = options;
_path = path ?? string.Empty;
_root = root;
_hasCompilationUnitRoot = root.Kind == SyntaxKind.CompilationUnit;
this.SetDirectiveStack(directives);
}
public DirectiveParser(Lexer lexer, DirectiveStack context)
: base(lexer, LexerMode.Directive)
{
_context = context;
}
