public override IVecValue VisitVardef([NotNull] VectorizeParser.VardefContext context)
{
var name = context.ID().GetText();
var type = ParseType(context.type());
bool isArray = context.array != null;
var initialValue = context.initial?.Accept(this);
var sizeV = context.size?.Accept(this);
if (initialValue != null)
{
if (isArray)
{
if (initialValue.Type != VecValueType.Array)
{
throw new InvalidOperationException($"Variable '{name}': Initial value must be array! Was: {initialValue.Type}");
}
var container = (IVecContainer)initialValue;
if (container.ElementType != type)
{
throw new InvalidOperationException($"Variable '{name}': Initial value must be array of type {type}! Was: {container.ElementType}");
}
}
else
{
if (type != initialValue.Type)
{
throw new InvalidOperationException($"Type must match for initial value of variable!");
}
}
}
else
{
if (isArray)
{
if (sizeV == null)
{
initialValue = ConstructDefault(type, 0);
}
else if (sizeV is VecInt size)
{
initialValue = ConstructDefault(type, size.Value);
}
else
{
throw new InvalidOperationException($"Size of array must be a int! Was: {sizeV.Type}");
}
}
else
{
initialValue = ConstructDefault(type);
}
}
CurrentScope.DeclareVariable(name, initialValue);
return(VecNull.Value);
}
/// <summary>
/// Exit a parse tree produced by <see cref="VectorizeParser.vardef"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitVardef([NotNull] VectorizeParser.VardefContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="VectorizeParser.vardef"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitVardef([NotNull] VectorizeParser.VardefContext context)
{
return(VisitChildren(context));
}