Regex is great

GetBlockInfo\(this, \((\w+) (\w+)\) ?=> ?\2(.+)\);
GetBlockInfo<$1>(this)$3;

SetBlockInfo\(this, \(ref (\w+) (\w+), \w+ (\w+)\) ?=> \2(.*) = \3,\s*value\);
GetBlockInfo<$1>(this)$4 = value;

Newly created blocks use the initializer to set properties, allowing the user to set per-block properties

And store delegates of dynamic methods invoking constructors
Tested with the automated tests