doc/langref.md     |  22 ++--
 src/analyze.cpp    |  53 +++++---
 src/codegen.cpp    |  16 +--
 src/parser.cpp     | 222 +++++++++++++++++---------------
 src/tokenizer.cpp  |   6 +-
 test/run_tests.cpp |  21 +++
 6 files changed, 193 insertions(+), 147 deletions(-)