public virtual ImmutableArray <UsingDirective> GetUsingDirectives(LanguageSyntaxNode declarationSyntax)
{
return(ImmutableArray <UsingDirective> .Empty);
}
protected virtual BoundNode CreateBoundProperty(BoundTree boundTree, ImmutableArray <object> childBoundNodes, string name, LanguageSyntaxNode syntax = null, bool hasErrors = false)
{
return(this.CreateBoundPropertyCore(boundTree, childBoundNodes, name, default, SymbolPropertyOwner.CurrentSymbol, null, syntax, hasErrors));
public CustomBinder(Binder next, LanguageSyntaxNode syntax)
: base(next)
{
_syntax = syntax;
}
public BoundRoot(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, LanguageSyntaxNode syntax, bool hasErrors = false)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
}
protected virtual BoundNode CreateBoundSymbolUseCore(BoundTree boundTree, ImmutableArray <object> childBoundNodes, ImmutableArray <Type> types, ImmutableArray <Type> nestingTypes, LanguageSyntaxNode syntax, bool hasErrors)
{
return(new BoundSymbolUse(BoundKind.SymbolUse, boundTree, childBoundNodes, types, nestingTypes, syntax, hasErrors));
}
protected BoundStatement(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, IOperation statement, LanguageSyntaxNode syntax, bool hasErrors = false)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
_statement = statement;
}
public BoundAttribute(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, ImmutableArray <Type> types, ImmutableArray <Type> nestingTypes, LanguageSyntaxNode syntax, bool hasErrors = false)
: base(kind, boundTree, childBoundNodes, types, nestingTypes, syntax, hasErrors)
{
}
protected virtual BoundNode CreateBoundSymbolDef(BoundTree boundTree, ImmutableArray <object> childBoundNodes, Type type, string nestingProperty = null, bool merge = false, LanguageSyntaxNode syntax = null, bool hasErrors = false)
{
return(this.CreateBoundSymbolDefCore(boundTree, childBoundNodes, type, syntax, hasErrors));
}
public MemberBoundTree(LanguageCompilation compilation, LanguageSyntaxNode root, Binder rootBinder, DiagnosticBag diagnostics)
: base(compilation, (LanguageSyntaxTree)root.SyntaxTree, rootBinder, diagnostics)
{
_parent = null;
_root = root;
}
public override bool TryGetBinder(LanguageSyntaxNode node, object usage, out Binder binder)
{
var key = new BinderCacheKey(node, usage);
return(_binderCache.TryGetValue(key, out binder));
}
public MemberBoundTree(BoundTree parent, LanguageSyntaxNode root, Binder rootBinder)
: base(parent.Compilation, parent.SyntaxTree, rootBinder, parent.DiagnosticBag)
{
_parent = parent;
_root = root;
}
public AttributeBinder(Binder next, LanguageSyntaxNode syntax, ImmutableArray <Type> types, ImmutableArray <Type> nestingTypes)
: base(next, syntax, types, nestingTypes)
{
}
public BoundOpposite(MetaBoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, LanguageSyntaxNode syntax, bool hasErrors)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
}
protected virtual BoundNode CreateBoundRoot(BoundTree boundTree, ImmutableArray <object> childBoundNodes, LanguageSyntaxNode syntax, bool hasErrors)
{
return(this.CreateBoundRootCore(boundTree, childBoundNodes, syntax, hasErrors));
}
private ImmutableArray <BoundNode> GetBoundNodesFromMap(LanguageSyntaxNode node)
{
ImmutableArray <BoundNode> result;
return(_map.TryGetValue(node, out result) ? result : default(ImmutableArray <BoundNode>));
}
protected virtual BoundNode CreateBoundScopeCore(BoundTree boundTree, ImmutableArray <object> childBoundNodes, LanguageSyntaxNode syntax, bool hasErrors)
{
return(new BoundScope(BoundKind.Scope, boundTree, childBoundNodes, syntax, hasErrors));
}
/// <summary>
/// This overload exists for callers who already have a node in hand
/// and don't want to search through the tree.
/// </summary>
internal Binder GetEnclosingBinderInternal(LanguageSyntaxNode node, int position)
{
AssertPositionAdjusted(position);
return(GetEnclosingBinderWithinRoot(node, position));
}
protected virtual BoundNode CreateBoundSymbolDefCore(BoundTree boundTree, ImmutableArray <object> childBoundNodes, Type type, LanguageSyntaxNode syntax, bool hasErrors)
{
return(new BoundSymbolDef(BoundKind.SymbolDef, boundTree, childBoundNodes, type, syntax, hasErrors));
}
/// <summary>
/// Get all bounds nodes associated with a node, ordered from highest to lowest in the bound tree.
/// Strictly speaking, the order is that of a pre-order traversal of the bound tree.
/// </summary>
public ImmutableArray <BoundNode> GetBoundNodes(LanguageSyntaxNode node)
{
// If this method is called with a null parameter, that implies that the Root should be
// bound, but make sure that the Root is bindable.
if (node == null)
{
node = GetBindableSyntaxNode(Root);
}
//Debug.Assert(node == GetBindableSyntaxNode(node));
// We have one SemanticModel for each method.
//
// The SemanticModel contains a lazily-built immutable map from scope-introducing
// syntactic statements (such as blocks) to binders, but not from lambdas to binders.
//
// The SemanticModel also contains a mutable map from syntax to bound nodes; that is
// declared here. Since the map is not thread-safe we ensure that it is guarded with a
// reader-writer lock.
//
// Have we already got the desired bound node in the mutable map? If so, return it.
ImmutableArray <BoundNode> results = GetBoundNodesFromMap(node);
if (!results.IsDefaultOrEmpty)
{
return(results);
}
// We might not actually have been given an expression or statement even though we were
// allegedly given something that is "bindable".
// If we didn't find in the cached bound nodes, find a binding root and bind it.
// This will cache bound nodes under the binding root.
LanguageSyntaxNode nodeToBind = GetBindingRoot(node);
var nodeBinder = GetEnclosingBinder(GetAdjustedNodePosition(nodeToBind));
BoundNode boundNode = nodeBinder.CreateBoundNodeForBoundTree(nodeToBind, this);
results = AddBoundTreeAndGetBoundNodeFromMap(node, boundNode);
if (!results.IsDefaultOrEmpty)
{
return(results);
}
// If we still didn't find it, its still possible we could bind it directly.
// For example, types are usually not represented by bound nodes, and some error conditions and
// not yet implemented features do not create bound nodes for everything underneath them.
//
// In this case, however, we only add the single bound node we found to the map, not any child bound nodes,
// to avoid duplicates in the map if a parent of this node comes through this code path also.
var binder = GetEnclosingBinder(GetAdjustedNodePosition(node));
results = GetBoundNodesFromMap(node);
if (!results.IsDefaultOrEmpty)
{
return(results);
}
/*else
* {
* var directlyBoundNode = binder.CreateBoundNodeForBoundTree(node, this);
* AddBoundTreeForStandaloneSyntax(node, directlyBoundNode);
* results = GetBoundNodesFromMap(node);
*
* if (!results.IsDefaultOrEmpty)
* {
* return results;
* }
* }*/
return(ImmutableArray <BoundNode> .Empty);
}
protected virtual BoundNode CreateBoundAttribute(BoundTree boundTree, ImmutableArray <object> childBoundNodes, ImmutableArray <Type> types, LanguageSyntaxNode syntax, bool hasErrors)
{
return(this.CreateBoundAttributeCore(boundTree, childBoundNodes, types, ImmutableArray <Type> .Empty, syntax, hasErrors));
}
/// <summary>
/// Gets the containing expression that is actually a language expression (or something that
/// GetSymbolInfo can be applied to) and not just typed
/// as an ExpressionSyntax for convenience. For example, NameSyntax nodes on the right side
/// of qualified names and member access expressions are not language expressions, yet the
/// containing qualified names or member access expressions are indeed expressions.
/// Similarly, if the input node is a cref part that is not independently meaningful, then
/// the result will be the full cref. Besides an expression, an input that is a NameSyntax
/// of a SubpatternSyntax, e.g. in `name: 3` may cause this method to return the enclosing
/// SubpatternSyntax.
/// </summary>
public virtual LanguageSyntaxNode GetStandaloneNode(LanguageSyntaxNode node)
{
return(node);
}
public BoundSelectedEndPoint(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, LanguageSyntaxNode syntax, bool hasErrors)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
}
public BoundProperty(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, string name, Optional <object> valueOpt, SymbolPropertyOwner owner, Type ownerType, LanguageSyntaxNode syntax, bool hasErrors = false)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
_name = name;
_hasFixedValue = valueOpt.HasValue;
_value = valueOpt.HasValue ? valueOpt.Value : default;
_owner = owner;
_ownerType = ownerType;
}
protected BoundExpression(BoundKind kind, BoundTree boundTree, ImmutableArray <object> childBoundNodes, IOperation expression, LanguageSyntaxNode syntax, bool hasErrors = false)
: base(kind, boundTree, childBoundNodes, syntax, hasErrors)
{
_expression = expression;
}
// WARNING: Only use this if the node is obtainable without allocating it (even if cached later). E.g., only
// if the node is stored in the constructor of the symbol. In particular, do not call this on the result of a GetSyntax()
// call on a SyntaxReference.
public LexicalSortKey(LanguageSyntaxNode node, LanguageCompilation compilation)
: this((LanguageSyntaxTree)node.SyntaxTree, node.SpanStart, compilation)
{
}
public SelectedEndPointBinder(Binder next, LanguageSyntaxNode syntax)
: base(next)
{
}
public virtual ImmutableArray <ExternAliasDirective> GetExternAliasDirectives(LanguageSyntaxNode declarationSyntax)
{
return(ImmutableArray <ExternAliasDirective> .Empty);
}