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f14f0d3464
* lib/irb/ruby-lex.rb (RubyLex#lex): fix conditions for continued line; empty lines, a semicolon, first line in `begin` block, just after `else` are not continued. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58418 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
108 lines
2.8 KiB
Ruby
108 lines
2.8 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require 'irb/ruby-lex'
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require 'stringio'
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module TestIRB
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class TestRubyLex < Test::Unit::TestCase
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def setup
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@scanner = RubyLex.new
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end
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def teardown
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RubyLex.debug_level = 0
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end
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def test_set_input_proc
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called = false
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@scanner.set_input(nil) {called = true; nil}
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@scanner.each_top_level_statement {}
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assert(called)
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end
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def test_comment
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assert_equal([["#\n", 1]], top_level_statement("#\n"))
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end
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def test_top_level_statement
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result = top_level_statement("#{<<-"begin;"}#{<<~"end;"}")
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begin;
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begin
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end
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begin
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end
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end;
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assert_equal([
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["begin\n""end\n", 1],
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["begin\n""end\n", 3],
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],
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result)
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end
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def test_immature_statement
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src = "if false\n"
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assert_equal([[src, 1]], top_level_statement(src))
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end
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def test_prompt
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prompts = []
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@scanner.set_prompt {|*a|
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a << @scanner.instance_variable_get(:@lex_state)
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unless prompts.last == a
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prompts << a
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end
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}
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src, lineno = "#{<<-"begin;"}#{<<~'end;'}", __LINE__+1
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begin;
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# #;# LTYPE:INDENT:CONTINUE
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x #;# -:0:-
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x( #;# -:0:-
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) #;# -:1:*
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a \ #;# -:0:-
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#;# -:0:*
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a; #;# -:0:-
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a #;# -:0:-
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#;# -:0:-
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a #;# -:0:-
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a = #;# -:0:-
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' #;# -:0:*
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' #;# ':0:*
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if false or #;# -:0:-
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true #;# -:1:*
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a #;# -:1:-
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" #;# -:1:-
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" #;# ":1:-
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begin #;# -:1:-
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a #;# -:2:-
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a #;# -:2:-
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end #;# -:2:-
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else #;# -:1:-
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nil #;# -:1:-
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end #;# -:1:-
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end;
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top_level_statement(src.gsub(/[ \t]*#;#.*/, ''))
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src.each_line.with_index(1) do |line, i|
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p = prompts.shift
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next unless /#;#\s*(?:-|(?<ltype>\S)):(?<indent>\d+):(?:(?<cont>\*)|-)(?:.*FIXME:(?<fixme>.*))?/ =~ line
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indent = indent.to_i
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cont = (fixme && /`continue'/.match?(fixme)) ^ cont
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assert_equal([ltype, indent, cont, i], p[0..3], "#{lineno+i}:#{p[4]}: #{line}")
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end
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end
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def top_level_statement(lines)
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input = InputLines.new(lines, "r")
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scanned = []
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@scanner.set_input(input)
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@scanner.each_top_level_statement {|*e|
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scanned << e
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yield(*e) if defined?(yield)
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}
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scanned
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end
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class InputLines < StringIO
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alias encoding external_encoding
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end
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end
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end
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