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9738f96fcf
[ruby-core:87945] [Feature #14912] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
445 lines
11 KiB
Ruby
445 lines
11 KiB
Ruby
# frozen_string_literal: true
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begin
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require 'ripper'
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require 'test/unit'
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ripper_test = true
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module TestRipper; end
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rescue LoadError
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end
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class TestRipper::Sexp < Test::Unit::TestCase
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def test_compile_error
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assert_nil Ripper.sexp("/")
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assert_nil Ripper.sexp("-")
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assert_nil Ripper.sexp("+")
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assert_nil Ripper.sexp("*")
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assert_nil Ripper.sexp("end")
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assert_nil Ripper.sexp("end 1")
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assert_nil Ripper.sexp("/*")
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assert_nil Ripper.sexp("/*/")
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assert_nil Ripper.sexp("/+/")
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end
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def test_regexp_content
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sexp = Ripper.sexp('//')
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assert_nil search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))
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sexp = Ripper.sexp('/foo/')
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assert_equal 'foo', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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sexp = Ripper.sexp("/foo\nbar/")
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assert_equal "foo\nbar", search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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sexp = Ripper.sexp('/(?<n>a(b|\g<n>))/')
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assert_equal '(?<n>a(b|\g<n>))', search_sexp(:@tstring_content, search_sexp(:regexp_literal, sexp))[1]
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end
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def test_heredoc_content
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sexp = Ripper.sexp("<<E\nfoo\nE")
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assert_equal "foo\n", search_sexp(:@tstring_content, sexp)[1]
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end
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def test_squiggly_heredoc
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sexp = Ripper.sexp("<<~eot\n asdf\neot")
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assert_equal "asdf\n", search_sexp(:@tstring_content, sexp)[1]
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end
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def test_squiggly_heredoc_with_interpolated_expression
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sexp1 = Ripper.sexp(<<-eos)
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<<-eot
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a\#{1}z
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eot
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eos
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sexp2 = Ripper.sexp(<<-eos)
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<<~eot
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a\#{1}z
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eot
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eos
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assert_equal clear_pos(sexp1), clear_pos(sexp2)
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end
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def test_params_mlhs
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sexp = Ripper.sexp("proc {|(w, *x, y), z|}")
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_, ((mlhs, w, (rest, x), y), z) = search_sexp(:params, sexp)
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assert_equal(:mlhs, mlhs)
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assert_equal(:@ident, w[0])
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assert_equal("w", w[1])
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assert_equal(:rest_param, rest)
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assert_equal(:@ident, x[0])
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assert_equal("x", x[1])
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assert_equal(:@ident, y[0])
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assert_equal("y", y[1])
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assert_equal(:@ident, z[0])
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assert_equal("z", z[1])
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end
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def test_def_fname
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sexp = Ripper.sexp("def t; end")
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_, (type, fname,) = search_sexp(:def, sexp)
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assert_equal(:@ident, type)
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assert_equal("t", fname)
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sexp = Ripper.sexp("def <<; end")
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_, (type, fname,) = search_sexp(:def, sexp)
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assert_equal(:@op, type)
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assert_equal("<<", fname)
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end
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def test_defs_fname
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sexp = Ripper.sexp("def self.t; end")
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_, recv, _, (type, fname) = search_sexp(:defs, sexp)
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assert_equal(:var_ref, recv[0], recv)
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assert_equal([:@kw, "self", [1, 4]], recv[1], recv)
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assert_equal(:@ident, type)
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assert_equal("t", fname)
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end
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def test_named_with_default
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sexp = Ripper.sexp("def hello(bln: true, int: 1, str: 'str', sym: :sym) end")
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named = String.new
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search_sexp(:params, sexp)[5].each { |i| named << "#{i}\n" } # join flattens
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exp = "#{<<-"{#"}#{<<~'};'}"
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{#
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[[:@label, "bln:", [1, 10]], [:var_ref, [:@kw, "true", [1, 15]]]]
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[[:@label, "int:", [1, 21]], [:@int, "1", [1, 26]]]
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[[:@label, "str:", [1, 29]], [:string_literal, [:string_content, [:@tstring_content, "str", [1, 35]]]]]
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[[:@label, "sym:", [1, 41]], [:symbol_literal, [:symbol, [:@ident, "sym", [1, 47]]]]]
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};
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assert_equal(exp, named)
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end
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def search_sexp(sym, sexp)
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return sexp if !sexp or sexp[0] == sym
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sexp.find do |e|
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if Array === e and e = search_sexp(sym, e)
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return e
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end
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end
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end
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def clear_pos(sexp)
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return sexp if !sexp
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sexp.each do |e|
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if Array === e
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if e.size == 3 and Array === (last = e.last) and
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last.size == 2 and Integer === last[0] and Integer === last[1]
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last.clear
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else
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clear_pos(e)
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end
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end
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end
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end
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def test_dsym
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bug15670 = '[ruby-core:91852]'
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_, (_, _, s) = Ripper.sexp_raw(%q{:"sym"})
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assert_equal([:dyna_symbol, [:string_add, [:string_content], [:@tstring_content, "sym", [1, 2]]]],
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s,
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bug15670)
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end
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pattern_matching_data = {
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%q{ case 0; in 0; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:@int, "0", [1, 11]], [[:void_stmt]], nil]],
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%q{ case 0; in 0 if a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:if_mod, [:vcall, [:@ident, "a", [1, 16]]], [:@int, "0", [1, 11]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in 0 unless a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:unless_mod, [:vcall, [:@ident, "a", [1, 20]]], [:@int, "0", [1, 11]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:var_field, [:@ident, "a", [1, 11]]], [[:void_stmt]], nil]],
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%q{ case 0; in a,; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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nil,
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[[:var_field, [:@ident, "a", [1, 11]]]],
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[:var_field, nil],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in a,b; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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nil,
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[[:var_field, [:@ident, "a", [1, 11]]],
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[:var_field, [:@ident, "b", [1, 13]]]],
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nil,
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in *a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn, nil, nil, [:var_field, [:@ident, "a", [1, 12]]], nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in *a,b; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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nil,
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nil,
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[:var_field, [:@ident, "a", [1, 12]]],
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[[:var_field, [:@ident, "b", [1, 14]]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in *a,b,c; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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nil,
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nil,
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[:var_field, [:@ident, "a", [1, 12]]],
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[[:var_field, [:@ident, "b", [1, 14]]],
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[:var_field, [:@ident, "c", [1, 16]]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in *; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:aryptn, nil, nil, [:var_field, nil], nil], [[:void_stmt]], nil]],
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%q{ case 0; in *,a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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nil,
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nil,
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[:var_field, nil],
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[[:var_field, [:@ident, "a", [1, 13]]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in a:,**b; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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nil,
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[[[:@label, "a:", [1, 11]], nil]],
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[:var_field, [:@ident, "b", [1, 16]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in **a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn, nil, [], [:var_field, [:@ident, "a", [1, 13]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in **; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:hshptn, nil, [], nil], [[:void_stmt]], nil]],
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%q{ case 0; in a: 0; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn, nil, [[[:@label, "a:", [1, 11]], [:@int, "0", [1, 14]]]], nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in a:; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn, nil, [[[:@label, "a:", [1, 11]], nil]], nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in "a": 0; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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nil,
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[[[:string_content, [:@tstring_content, "a", [1, 12]]],
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[:@int, "0", [1, 16]]]],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in "a":; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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nil,
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[[[:string_content, [:@tstring_content, "a", [1, 12]]], nil]],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in a: 0, b: 0; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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nil,
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[[[:@label, "a:", [1, 11]], [:@int, "0", [1, 14]]],
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[[:@label, "b:", [1, 17]], [:@int, "0", [1, 20]]]],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in 0 => a; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:binary,
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[:@int, "0", [1, 11]],
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:"=>",
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[:var_field, [:@ident, "a", [1, 16]]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in 0 | 1; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:binary, [:@int, "0", [1, 11]], :|, [:@int, "1", [1, 15]]],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A(0); end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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[:var_ref, [:@const, "A", [1, 11]]],
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[[:@int, "0", [1, 13]]],
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nil,
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A(a:); end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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[:var_ref, [:@const, "A", [1, 11]]],
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[[[:@label, "a:", [1, 13]], nil]],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A(); end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn, [:var_ref, [:@const, "A", [1, 11]]], nil, nil, nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A[a]; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn,
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[:var_ref, [:@const, "A", [1, 11]]],
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[[:var_field, [:@ident, "a", [1, 13]]]],
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nil,
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A[a:]; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn,
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[:var_ref, [:@const, "A", [1, 11]]],
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[[[:@label, "a:", [1, 13]], nil]],
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nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in A[]; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn, [:var_ref, [:@const, "A", [1, 11]]], nil, nil, nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in [a]; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:aryptn, nil, [[:var_field, [:@ident, "a", [1, 12]]]], nil, nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in []; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:aryptn, nil, nil, nil, nil], [[:void_stmt]], nil]],
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%q{ case 0; in {a: 0}; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in,
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[:hshptn, nil, [[[:@label, "a:", [1, 12]], [:@int, "0", [1, 15]]]], nil],
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[[:void_stmt]],
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nil]],
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%q{ case 0; in {}; end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:hshptn, nil, nil, nil], [[:void_stmt]], nil]],
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%q{ case 0; in (0); end } =>
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[:case,
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[:@int, "0", [1, 5]],
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[:in, [:@int, "0", [1, 12]], [[:void_stmt]], nil]],
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%q{ case 0; in a:, a:; end } =>
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nil,
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%q{ case 0; in a?:; end } =>
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nil,
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}
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pattern_matching_data.each_with_index do |(src, expected), i|
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define_method(:"test_pattern_matching_#{i}") do
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sexp = Ripper.sexp(src.strip)
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assert_equal expected, sexp && sexp[1][0], src
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end
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end
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end if ripper_test
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