public static void UnpackArray(BooCodeBuilder codeBuilder, Method method, Block block, Expression expression, DeclarationCollection declarations)
{
ILocalEntity local = expression.Entity as ILocalEntity;
if (null == local)
{
local = codeBuilder.DeclareTempLocal(method,
expression.ExpressionType);
block.Add(
codeBuilder.CreateAssignment(
codeBuilder.CreateReference(local),
expression));
}
for (int i=0; i<declarations.Count; ++i)
{
Declaration declaration = declarations[i];
block.Add(
codeBuilder.CreateAssignment(
codeBuilder.CreateReference(
declaration.Entity),
codeBuilder.CreateSlicing(
codeBuilder.CreateReference(local),
i)));
}
}
public static void UnpackEnumerable(BooCodeBuilder codeBuilder, Method method, Block block, Expression expression, DeclarationCollection declarations)
{
TypeSystemServices tss = codeBuilder.TypeSystemServices;
InternalLocal local = codeBuilder.DeclareTempLocal(method,
tss.IEnumeratorType);
IType expressionType = expression.ExpressionType;
if (expressionType.IsSubclassOf(codeBuilder.TypeSystemServices.IEnumeratorType))
{
block.Add(
codeBuilder.CreateAssignment(
codeBuilder.CreateReference(local),
expression));
}
else
{
if (!expressionType.IsSubclassOf(codeBuilder.TypeSystemServices.IEnumerableType))
{
expression = codeBuilder.CreateMethodInvocation(
RuntimeServices_GetEnumerable, expression);
}
block.Add(
codeBuilder.CreateAssignment(
block.LexicalInfo,
codeBuilder.CreateReference(local),
codeBuilder.CreateMethodInvocation(
expression, IEnumerable_GetEnumerator)));
}
for (int i=0; i<declarations.Count; ++i)
{
Declaration declaration = declarations[i];
block.Add(
codeBuilder.CreateAssignment(
codeBuilder.CreateReference(declaration.Entity),
codeBuilder.CreateMethodInvocation(RuntimeServices_MoveNext,
codeBuilder.CreateReference(local))));
}
}
