Add initial tokenizer and tests

SConstruct

@@ -8,10 +8,10 @@ build_dir = "build/default/"
 src_dir = "src/"
 
 program_sources = ["src/main.c"]
-lib_srcs = []
+lib_srcs = ["src/parse.c", "src/memory.c"]
 lib_includes = ["src/"]
 
-test_srcs = [""]
+test_srcs = ["test/test_parse.c"]
 test_lib_srcs = ["third-party/unity/src/unity.c"]
 test_lib_includes = ["third-party/unity/src/"]
 
@@ -20,7 +20,7 @@ test_lib_includes = ["third-party/unity/src/"]
 #
 
 VariantDir(build_dir, ".", duplicate=0)
-env = Environment(CPPPATH=lib_includes, COMPILATIONDB_USE_ABSPATH=True)
+env = Environment(CPPPATH=lib_includes, COMPILATIONDB_USE_ABSPATH=True, CCFLAGS=["-ggdb", "-O0"])
 env.Tool('compilation_db')
 env.CompilationDatabase()