Compiler project

Has a compiler project been decided on?  Also, I think we should do
what most compilers do, every element in the generated tree should not
only have the information of what it is, but also the iterator range
in the source location of the data that created it, and things higher
in the tree contain the ranges of the things that are lower and so
forth, this would vastly simplify error reporting, and error reporting
is *always* a huge boon to compiled and scripting languages alike.  It
is of course not necessary if we somehow end up generating the final
LLVM bitcode directly from the representation, but if we do not, then
good error reporting should be an absolute.  I think we could build
the LLVM representation directly with a bit of work, just wonder which
method is better...  Some languages, depending on what is chosen, will
require post-tree visitation before LLVM generation, so that would
require things for sure.

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