CMakeLists.txt                     |    3 +-
 doc/langref.md                     |    8 +-
 doc/semantic_analysis.md           |   75 ++
 doc/targets.md                     |    2 +-
 doc/vim/syntax/zig.vim             |    2 +-
 example/guess_number/main.zig      |   31 +-
 example/hello_world/hello.zig      |    6 +-
 example/hello_world/hello_libc.zig |    9 +-
 src/all_types.hpp                  |  138 ++-
 src/analyze.cpp                    | 1566 ++++++++++++++------------------
 src/analyze.hpp                    |    6 +-
 src/ast_render.cpp                 |   54 +-
 src/codegen.cpp                    |  347 ++-----
 src/codegen.hpp                    |    2 +
 src/errmsg.cpp                     |   45 +-
 src/main.cpp                       |   27 +-
 src/parseh.cpp                     |   16 +-
 src/parser.cpp                     |  141 +--
 src/tokenizer.cpp                  |   11 +-
 src/tokenizer.hpp                  |    3 +-
 std/bootstrap.zig                  |   29 +-
 std/index.zig                      |    4 +
 std/io.zig                         |  377 ++++++++
 std/os.zig                         |   16 +-
 std/rand.zig                       |   28 +-
 std/std.zig                        |  377 --------
 std/test_runner.zig                |   22 +-
 std/test_runner_libc.zig           |    4 +-
 std/test_runner_nolibc.zig         |    4 +-
 test/run_tests.cpp                 |  649 +++++++------
 test/self_hosted.zig               |    3 +-
 test/test_std.zig                  |    1 -
 32 files changed, 1816 insertions(+), 2190 deletions(-)