// Usually this will return zero or one name, but it can return more (eg for explicit interface
// implementations).
public Item[] Find(CsMember context, ResolvedTarget target, CsGlobalNamespace globals, string name, int arity)
{
Profile.Start("ResolveMembers::Find");
var items = new List<Item>();
var types = new List<CsType>();
var baseNames = new List<string>();
var interfaceNames = new List<string>();
string[] allNames = DoGetBases(globals, target.TypeName, types, baseNames, interfaceNames);
bool includeProtected = context != null && allNames.Contains(context.DeclaringType.FullName);
foreach (CsType type in types)
{
var candidates = new List<Item>();
bool includePrivate = context != null && type.FullName == context.DeclaringType.FullName;
DoGetParsedMembers(type, target.IsInstance, target.IsStatic, candidates, includePrivate, includeProtected);
items = (from m in candidates where DoMatch(m, name, arity) select m).ToList();
}
// Note that we need to make two GetMembers queries to ensure that interface
// methods are not used in place of base methods (this gives us better results
// when the context menu is used to filter out methods associated with types).
DoAddIfMissingRange("Fields:", items, m_database.GetFields(baseNames.ToArray(), target.IsInstance, target.IsStatic, name, includeProtected));
DoAddIfMissingRange("Base Members:", items, m_database.GetMembers(baseNames.ToArray(), target.IsInstance, target.IsStatic, name, arity, includeProtected));
DoAddIfMissingRange("Interface Members:", items, m_database.GetMembers(interfaceNames.ToArray(), target.IsInstance, target.IsStatic, name, arity, includeProtected));
if (target.IsInstance)
{
var namespaces = new List<string>();
for (int i = 0; i < globals.Namespaces.Length; ++i)
namespaces.Add(globals.Namespaces[i].Name);
for (int i = 0; i < globals.Uses.Length; ++i)
namespaces.Add(globals.Uses[i].Namespace);
DoAddIfMissingRange("extension methods:", items, m_database.GetExtensionMethods(allNames, namespaces.ToArray(), name, arity));
}
Profile.Stop("ResolveMembers::Find");
return items.ToArray();
}
public ResolveName(CsMember context, ITargetDatabase database, ICsLocalsParser locals, string text, int offset, CsGlobalNamespace globals)
{
Profile.Start("ResolveName::ctor");
m_database = database;
m_typeResolver = new ResolveType(database);
m_globals = globals;
m_offset = offset;
m_context = context;
Profile.Start("DoFindMember");
m_member = DoFindMember(m_globals);
Profile.Stop("DoFindMember");
Profile.Start("DoGetVariables");
m_variables = DoGetVariables(text, locals);
Profile.Stop("DoGetVariables");
Profile.Stop("ResolveName::ctor");
}
// Offset should point just after the expression to resolve. May return null.
public ResolvedTarget Resolve(CsMember context, string text, int offset)
{
Contract.Requires(offset >= 0, "offset is negative");
Contract.Requires(offset <= text.Length, "offset is too large");
Profile.Start("ResolveExpr::Resolve");
ResolvedTarget result = null;
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "---------------- resolving expression");
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "text: '{0}'", text.Substring(Math.Max(0, offset - 48), offset - Math.Max(0, offset - 48)).EscapeAll());
string expr = DoFindExpr(text, offset);
Log.WriteLine("AutoComplete", "expression: '{0}'", expr);
if (!string.IsNullOrEmpty(expr))
result = m_nameResolver.Resolve(expr);
if (result == null)
{
string[] operands = DoGetOperands(expr);
int first = 0;
result = DoGetOperandType(context, operands, ref first);
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "operand type: {0}", result);
for (int i = first; i < operands.Length; ++i)
{
string operand = operands[i];
ResolvedTarget old = result;
result = DoResolveOperand(context, result, operand);
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "{0}::{1} resolved to {2}", old, operand, result);
if (result == null)
break;
}
}
Log.WriteLine("AutoComplete", "---- expression {0} -> {1}", expr, result);
Profile.Stop("ResolveExpr::Resolve");
return result;
}
// : base(after ? member.Offset + member.Length + 1 : member.Offset, DoMungeLines(after, lines))
public AddRelativeMember(CsMember member, bool after, params string[] lines)
{
m_after = after;
m_member = member;
m_lines = DoMungeLines(lines);
}
public void QueueChangeAccess(CsMember member, string access)
{
m_refactor.Queue(new ChangeAccess(member, access));
}
private string DoGetShortName(CsMember member)
{
string result;
do
{
CsEvent v = member as CsEvent;
if (v != null)
{
result = string.Format("event {0}", v.Name);
break;
}
CsField f = member as CsField;
if (f != null)
{
result = f.Name;
break;
}
CsIndexer i = member as CsIndexer;
if (i != null)
{
result = "this[...]";
break;
}
CsMethod m = member as CsMethod;
if (m != null)
{
result = m.Name;
break;
}
CsOperator o = member as CsOperator;
if (o != null)
{
if (o.IsImplicit)
result = string.Format("implicit operator {0}", o.ReturnType);
else if (o.IsExplicit)
result = string.Format("explicit operator {0}", o.ReturnType);
else
result = string.Format("operator {0}", o.Name);
break;
}
CsProperty p = member as CsProperty;
if (p != null)
{
result = string.Format("{0}", p.Name);
break;
}
Contract.Assert(false, "Unexpected member type: " + member.GetType());
result = "?";
}
while (false);
return result;
}
private object DoGetName(CsMember member)
{
return member.Name;
}
private object DoGetIsVolatile(CsMember member)
{
return (member.Modifiers & MemberModifiers.Volatile) == MemberModifiers.Volatile;
}
private object DoGetIsStatic(CsMember member)
{
return (member.Modifiers & MemberModifiers.Static) == MemberModifiers.Static;
}
private object DoGetDeclaringType(CsMember member)
{
return member.DeclaringType;
}
private object DoGetAttributes(CsMember member)
{
return member.Attributes;
}
private object DoGetAccess(CsMember member)
{
return member.Access.ToString().ToLower();
}
private object DoChangeAccess(CsMember member, string access)
{
return new ChangeAccess(member, access);
}
private object DoAddMethodBefore(CsMember member, string text)
{
return new AddRelativeMember(member, false, text.Split('\n'));
}
private object DoAddMethodAfter(CsMember member, string text)
{
return new AddRelativeMember(member, true, text.Split('\n'));
}
private object DoGetIsReadonly(CsMember member)
{
return (member.Modifiers & MemberModifiers.Readonly) == MemberModifiers.Readonly;
}
private object DoGetIsSealed(CsMember member)
{
return (member.Modifiers & MemberModifiers.Sealed) == MemberModifiers.Sealed;
}
private object DoGetFullName(CsMember member)
{
return member.FullName;
}
private object DoGetIsVirtual(CsMember member)
{
return (member.Modifiers & MemberModifiers.Virtual) == MemberModifiers.Virtual;
}
private object DoGetIsAbstract(CsMember member)
{
return (member.Modifiers & MemberModifiers.Abstract) == MemberModifiers.Abstract;
}
private object DoGetModifiers(CsMember member)
{
return member.Modifiers.ToString().ToLower();
}
private object DoGetIsConst(CsMember member)
{
return (member.Modifiers & MemberModifiers.Const) == MemberModifiers.Const;
}
private string DoGetFullName(CsMember member)
{
string result;
do
{
CsIndexer i = member as CsIndexer;
if (i != null)
{
result = string.Format("this[{0}]", DoGetParams(i.Parameters));
break;
}
CsMethod m = member as CsMethod;
if (m != null)
{
if (m.GenericArguments != null)
result = string.Format("{0}<{1}>({2})", m.Name, m.GenericArguments, DoGetParams(m.Parameters));
else
result = string.Format("{0}({1})", m.Name, DoGetParams(m.Parameters));
break;
}
CsOperator o = member as CsOperator;
if (o != null && !o.IsConversion)
{
result = string.Format("operator {0}({1})", o.Name, DoGetParams(o.Parameters));
break;
}
result = DoGetShortName(member);
}
while (false);
return result;
}
private object DoGetIsInternal(CsMember member)
{
return (member.Modifiers & MemberModifiers.Internal) == MemberModifiers.Internal;
}
public void QueueAddRelativeMember(CsMember member, bool after, params string[] lines)
{
m_refactor.Queue(new AddRelativeMember(member, after, lines));
}
private object DoGetIsOverride(CsMember member)
{
return (member.Modifiers & MemberModifiers.Override) == MemberModifiers.Override;
}
private object DoGetIsPrivate(CsMember member)
{
return (member.Modifiers & MemberModifiers.Private) == MemberModifiers.Private;
}
private object DoGetIsProtected(CsMember member)
{
return (member.Modifiers & MemberModifiers.Protected) == MemberModifiers.Protected;
}
public ChangeAccess(CsMember member, string access)
{
Contract.Requires(member != null, "member is null");
Contract.Requires(!string.IsNullOrEmpty(access), "access is null or empty");
m_access = access;
m_member = member;
}
private ResolvedTarget DoResolveOperand(CsMember context, ResolvedTarget target, string operand)
{
ResolvedTarget result = null;
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", " target: {0}, operand: '{1}'", target, operand);
// Handle locals and args.
if (target == null)
{
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "trying local operand");
result = m_nameResolver.Resolve(operand);
}
// Handle this calls (this will work for static calls too).
if (target == null && result == null)
{
target = m_nameResolver.Resolve("this");
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "new target: {0}", target);
}
// Handle other calls.
if (target != null && result == null)
{
int numArgs = DoGetNumArgs(operand);
int i = operand.IndexOfAny(new char[]{'(', ' ', '\t', '\n', '\r'});
string name = i >= 0 ? operand.Substring(0, i) : operand;
if (name != null)
{
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "trying {0}({1} args) item operand", name, numArgs);
if (name == "typeof" && numArgs == 1)
{
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "resolved to System.Type");
result = new ResolvedTarget("System.Type", null, true, false);
}
else
{
Item[] candidates = m_memberResolver.Find(context, target, m_globals, name, numArgs);
IEnumerable<Item> items = from c in candidates where c.Type != null select c;
if (items.Any())
{
if (items.All(m => m.Type == items.First().Type))
{
Log.WriteLine(TraceLevel.Verbose, "AutoComplete", "{0}:{1} with {2} args resolved to {3}", target, name, numArgs, items.First().Type);
result = m_typeResolver.Resolve(items.First().Type, context, m_globals, true, false);
}
else
{
Log.WriteLine("AutoComplete", "{0} has an ambiguous return type:", name);
foreach (Item item in items)
{
Log.WriteLine("AutoComplete", " {0} {1}", item.Type, item);
}
}
}
}
}
}
if (result == null)
Log.WriteLine("AutoComplete", "failed to resolve {0}::{1}", target, operand);
return result;
}
