hashrocket: parser behaves differently with parser-gem

[namiwang]

WTF lexer.advance
WTF emitted token tLBRACE
{ 1 => 2, :foo => "bar" }
^ tLBRACE "{"                                   expr_beg     [0 <= cond] [0 <= cmdarg]
read    :tLBRACE(tLBRACE) ["{", #<Parser::Source::Range tmp/a.rb 0...1>]

shift   tLBRACE
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) ]

goto    61
        [ 0 61 ]

WTF lexer.advance
WTF emitted token tINTEGER
{ 1 => 2, :foo => "bar" }
  ^ tINTEGER 1                                  expr_end     [0 <= cond] [0 <= cmdarg]
read    :tINTEGER(tINTEGER) [1, #<Parser::Source::Range tmp/a.rb 2...3>]

shift   tINTEGER
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (tINTEGER [1, #<Parser::Source::Range tmp/a.rb 2...3>]) ]

goto    93
        [ 0 61 93 ]

  >>> STATE SET <<<                             expr_end     [0 <= cond] [0 <= cmdarg]
reduce  tINTEGER --> simple_numeric
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (simple_numeric s(:int, 1)) ]

goto    92
        [ 0 61 92 ]

reduce  simple_numeric --> numeric
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (numeric s(:int, 1)) ]

goto    76
        [ 0 61 76 ]

reduce  numeric --> literal
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (literal s(:int, 1)) ]

goto    48
        [ 0 61 48 ]

reduce  literal --> primary
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (primary s(:int, 1)) ]

goto    47
        [ 0 61 47 ]

WTF lexer.advance
WTF emitted token tASSOC
WTF emitted token tINTEGER
{ 1 => 2, :foo => "bar" }
    ^~ tASSOC "=>"                              expr_end     [0 <= cond] [0 <= cmdarg]
read    :tASSOC(tASSOC) ["=>", #<Parser::Source::Range tmp/a.rb 4...6>]

// WHAT THE HELL why it doesnot reduce primary->arg directly

reduce  primary --> arg
        [ (tLBRACE ["{", #<Parser::Source::Range tmp/a.rb 0...1>]) (arg s(:int, 1)) ]

goto    280
        [ 0 61 280 ]