/// <summary>
/// Convert a string to an initializer. "12" will be turned to {'1','2'}. Zeros will
/// be patched if the length of the string is smaller than size. If the length of the
/// string is greater than size, then only the first size of chars will be converted,
/// unless if size is zero or less, in which case, the count number of chars will be
/// converted.
/// </summary>
/// <param name="initialValue">The initial string</param>
/// <param name="size">The target size</param>
/// <param name="parent">The parent expression</param>
/// <returns></returns>
public static VccInitializer fromStringWithPatchedZeros(string initialValue, int size, Expression parent)
{
if (initialValue == null) return null;
int count = initialValue.Length;
if (size <= 0) size = count;
char[] charArr = initialValue.ToCharArray();
List<Expression> exprs = new List<Expression>();
VccInitializer result = new VccInitializer(exprs, false, SourceDummy.SourceLocation);
for (uint i = 0; i < size; i++) {
if (i < count) {
sbyte val = (sbyte)charArr[i];
Expression ch = new CompileTimeConstant(val, parent.SourceLocation);
ch.SetContainingExpression(parent);
exprs.Add(ch);
}
// If we dont have enough element, we patch zero. It is intentional that no '\0' is added
// if size == count.
else {
Expression zeroPatch = new CompileTimeConstant(0, parent.SourceLocation);
zeroPatch.SetContainingExpression(parent);
exprs.Add(zeroPatch);
}
}
result.SetContainingExpression(parent);
return result;
}
