internal static String CreateElementKindString(ElementKind elementKind, GeneralArrayInfo arrayInfo)
{
var builder = new StringBuilder();
CreateElementKindString(elementKind, arrayInfo, builder);
return(builder.ToString());
}
private static void CreateElementKindString(ElementKind elementKind, GeneralArrayInfo arrayInfo, StringBuilder builder)
{
switch (elementKind)
{
case ElementKind.Array:
builder.Append('[');
if (arrayInfo != null)
{
if (arrayInfo.Rank == 1 && arrayInfo.Sizes.Count == 0 && arrayInfo.LowerBounds.Count == 0)
{
// Special case
builder.Append('*');
}
else
{
for (var i = 0; i < arrayInfo.Rank; ++i)
{
var appendLoBound = i < arrayInfo.LowerBounds.Count;
if (appendLoBound)
{
var loBound = arrayInfo.LowerBounds[i];
appendLoBound = loBound != 0;
if (appendLoBound)
{
builder.Append(loBound).Append("..");
}
}
if (i < arrayInfo.Sizes.Count)
{
builder.Append(arrayInfo.Sizes[i]);
}
else if (appendLoBound)
{
builder.Append('.');
}
if (i < arrayInfo.Rank - 1)
{
builder.Append(',');
}
}
}
}
builder.Append(']');
break;
case ElementKind.Pointer:
builder.Append('*');
break;
case ElementKind.Reference:
builder.Append('&');
break;
}
}
// Start idx = index of '[', End idx = index of ']'
private static GeneralArrayInfo ReadArrayInfo(String typeStr, Int32 startIdx, Int32 endIdx, Int32 rank)
{
GeneralArrayInfo result;
if (startIdx == endIdx - 1)
{
// Vector array
result = null;
}
else
{
// General array
++startIdx;
var sizes = new Int32[rank];
var sizeIdx = 0;
var loBounds = new Int32[rank];
var loBoundIdx = 0;
// Check for special case - rank 1, no sizes, no lower bounds (is '[*]').
if (startIdx != endIdx - 1 || typeStr[startIdx] != '*')
{
var curIdx = startIdx;
while (curIdx <= endIdx)
{
switch (typeStr[curIdx])
{
case ',':
case ']':
// End of dimension
if (startIdx != curIdx)
{
// Size specified
// Implicitly add zero lower bound if needed
if (sizeIdx == loBoundIdx)
{
loBounds[loBoundIdx++] = 0;
}
// Then save size
sizes[sizeIdx++] = Int32.Parse(typeStr.Substring(startIdx, curIdx - startIdx));
}
startIdx = curIdx + 1;
break;
case '.':
if (startIdx != curIdx)
{
// End of lower bound
loBounds[loBoundIdx++] = Int32.Parse(typeStr.Substring(startIdx, curIdx - startIdx));
}
startIdx = curIdx + 1;
break;
}
++curIdx;
}
}
// Create actual size and lower bounds arrays
var actualSizes = new Int32[sizeIdx];
Array.Copy(sizes, actualSizes, sizeIdx);
var actualLoBounds = new Int32[loBoundIdx];
Array.Copy(loBounds, actualLoBounds, loBoundIdx);
result = new GeneralArrayInfo(rank, actualSizes, actualLoBounds);
}
return(result);
}
