Optimize OP_ADD instruction.
Optimize OP_SUBI.
Remove mrb_checkstack() as unused.
Make some tiny functions inlined. This is for supeed tuning.
Extract uvget/uvset to OP_GETUPVAR/OP_SETUPVAR. This is for speed tuning.
Make topenv() inlined.
Clean some redundant code up.
Lazy variable declarations. They are for speed tune.
Simplify conditional expressions. This is for speed tuning.
implement literal %W %w %s
refactor string parsing
Could you add me to AUTHORS?
refactor heredoc identifier
remove disused check code
bugfix about escaping '\n'
remove unused local variable beg in parser_yylex
Add new API mrb_true_or_false_value().
Remove the macro mrb_bool_value(). Use mrb_true_or_false() instead.
Use mrb_true_or_false_value() / in mrb_struct_equal().
Use mrb_true_or_false_value() / in mrb_struct_eql().
Use mrb_true_or_false_value() / in mrb_ary_empty_p().