public static ScopeAccessInformation FromOutermostScope(
CSharpName outermostScopeWrapperName,
NonNullImmutableList <ICodeBlock> blocks,
NonNullImmutableList <NameToken> externalDependencies)
{
if (outermostScopeWrapperName == null)
{
throw new ArgumentNullException("outermostScopeWrapperName");
}
if (blocks == null)
{
throw new ArgumentNullException("blocks");
}
if (externalDependencies == null)
{
throw new ArgumentNullException("externalDependencies");
}
// This prepares the empty template for the primary instance..
var outermostScope = new OutermostScope(outermostScopeWrapperName, blocks);
var initialScope = new ScopeAccessInformation(
outermostScope, // parent
outermostScope, // scope-defining parent
null, // parentReturnValueNameIfAny
null, // errorRegistrationTokenIfAny
null, // directedWithReferenceIfAn
externalDependencies,
new NonNullImmutableList <ScopedNameToken>(), // classes
new NonNullImmutableList <ScopedNameToken>(), // functions,
new NonNullImmutableList <ScopedNameToken>(), // properties,
new NonNullImmutableList <ScopedNameToken>(), // constants
new NonNullImmutableList <ScopedNameToken>(), // variables
new NonNullImmutableList <ExitableNonScopeDefiningConstructDetails>()
);
// .. but it needs the classes, functions, properties and variables declared by the code blocks to be registered with it. To do that, this
// extension method will be used (seems a bit strange since this method is part of the ScopeAccessInformation class and it relies upon an
// extension method, but that's only because there's no way to define a static extension method, which would have been ideal for this).
return(initialScope.Extend(outermostScope, blocks));
}
/// <summary>
/// This will never be null
/// </summary>
public static NonNullImmutableList <NameToken> GetUndeclaredVariablesAccessed(
this TranslatedStatementContentDetails source,
ScopeAccessInformation scopeAccessInformation,
VBScriptNameRewriter nameRewriter)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (scopeAccessInformation == null)
{
throw new ArgumentNullException("scopeAccessInformation");
}
if (nameRewriter == null)
{
throw new ArgumentNullException("nameRewriter");
}
return(source.VariablesAccessed
.Where(v => !scopeAccessInformation.IsDeclaredReference(v, nameRewriter))
.ToNonNullImmutableList());
}