attempt to use std::unique_ptr, does not work because bison expects that variant types will provide copy constructor
Generate flex header to avoid excessive externs
stop using unique_ptr, incompatible with bison’s variant class
Driver learned how to parse strings in addition to files
WIP: integrate google testing framework
add root Makefile
rename objc_helper to test_helper
use wildcard in nth-gtest/Makefile
add arithmetic precedence
wrap expression lists in ast Block
rename objc_helper to test_helper in xcode project
fix issue preventing copying of assets in Xcode project
temporary: exclude #line numbers in generated source to make debugging easier
add include as a header search path (for gtest)
show fancy carets in bison error reporting (Makefile)
refactor some code into test fixture
add test case ParseNothing
Merge branch 'test_misc' into wip_ast
add tests
make some shift/reduce conflicts haphazardly go away