src/AstGen.zig   | 104 ++++++++++++++++++++--
 src/RangeSet.zig |   5 +-
 src/Sema.zig     | 152 ++++++++++++++++++++++++++------
 src/codegen.zig  |   5 +-
 4 files changed, 228 insertions(+), 38 deletions(-)