internal MetadataMember ResolveSimpleFunctionName(string name, ErrorContext errCtx)
{
//
// "Foo()" represents a simple function name. Resolve it as an unqualified name by calling the type resolver directly.
// Note that calling type resolver directly will avoid resolution of the identifier as a local variable or entity container
// (these resolutions are performed only by ResolveSimpleName(...)).
//
var resolution = TypeResolver.ResolveUnqualifiedName(name, false /* partOfQualifiedName */, errCtx);
if (resolution.MetadataMemberClass
== MetadataMemberClass.Namespace)
{
//
// Try resolving as a function import inside the default entity container.
//
var defaultEntityContainer = TypeResolver.Perspective.GetDefaultContainer();
ExpressionResolution defaultEntityContainerResolution;
if (defaultEntityContainer != null
&&
TryResolveEntityContainerMemberAccess(defaultEntityContainer, name, out defaultEntityContainerResolution)
&&
defaultEntityContainerResolution.ExpressionClass == ExpressionResolutionClass.MetadataMember)
{
resolution = (MetadataMember)defaultEntityContainerResolution;
}
}
return(resolution);
}
internal ExpressionResolution ResolveSimpleName(string name, bool leftHandSideOfMemberAccess, ErrorContext errCtx)
{
DebugCheck.NotEmpty(name);
//
// Try resolving as a scope entry.
//
ScopeEntry scopeEntry;
int scopeIndex;
if (TryScopeLookup(name, out scopeEntry, out scopeIndex))
{
//
// Check for invalid join left expression correlation.
//
if (scopeEntry.EntryKind == ScopeEntryKind.SourceVar &&
((SourceScopeEntry)scopeEntry).IsJoinClauseLeftExpr)
{
var message = Strings.InvalidJoinLeftCorrelation;
throw EntitySqlException.Create(errCtx, message, null);
}
//
// Set correlation flag.
//
SetScopeRegionCorrelationFlag(scopeIndex);
return(new ValueExpression(GetExpressionFromScopeEntry(scopeEntry, scopeIndex, name, errCtx)));
}
//
// Try resolving as a member of the default entity container.
//
var defaultEntityContainer = TypeResolver.Perspective.GetDefaultContainer();
ExpressionResolution defaultEntityContainerResolution;
if (defaultEntityContainer != null &&
TryResolveEntityContainerMemberAccess(defaultEntityContainer, name, out defaultEntityContainerResolution))
{
return(defaultEntityContainerResolution);
}
if (!_ignoreEntityContainerNameResolution)
{
//
// Try resolving as an entity container.
//
EntityContainer entityContainer;
if (TypeResolver.Perspective.TryGetEntityContainer(
name, _parserOptions.NameComparisonCaseInsensitive /*ignoreCase*/, out entityContainer))
{
return(new EntityContainerExpression(entityContainer));
}
}
//
// Otherwise, resolve as an unqualified name.
//
return(TypeResolver.ResolveUnqualifiedName(name, leftHandSideOfMemberAccess /* partOfQualifiedName */, errCtx));
}
