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ruby-lex.rb: fix continued line conditions

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* 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
This commit is contained in:
nobu 2017-04-20 11:07:02 +00:00
parent 716ce65138
commit f14f0d3464
2 changed files with 17 additions and 8 deletions
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15
lib/irb/ruby-lex.rb
View file

@ -262,9 +262,18 @@ class RubyLex
end end
def lex def lex
until (((tk = token).kind_of?(TkNL) || tk.kind_of?(TkEND_OF_SCRIPT)) && continue = @continue
!@continue or while tk = token
tk.nil?) case tk
when TkNL, TkEND_OF_SCRIPT
@continue = continue unless continue.nil?
break unless @continue
when TkSPACE, TkCOMMENT
when TkSEMICOLON, TkBEGIN, TkELSE
@continue = continue = false
else
continue = nil
end
end end
line = get_readed line = get_readed
if line == "" and tk.kind_of?(TkEND_OF_SCRIPT) || tk.nil? if line == "" and tk.kind_of?(TkEND_OF_SCRIPT) || tk.nil?

10
test/irb/test_ruby-lex.rb
View file

@ -55,15 +55,15 @@ module TestIRB
src, lineno = "#{<<-"begin;"}#{<<~'end;'}", __LINE__+1 src, lineno = "#{<<-"begin;"}#{<<~'end;'}", __LINE__+1
begin; begin;
# #;# LTYPE:INDENT:CONTINUE # #;# LTYPE:INDENT:CONTINUE
x #;# -:0:- # FIXME: a comment should not `continue' x #;# -:0:-
x( #;# -:0:- x( #;# -:0:-
) #;# -:1:* ) #;# -:1:*
a \ #;# -:0:- a \ #;# -:0:-
#;# -:0:* #;# -:0:*
a; #;# -:0:- a; #;# -:0:-
a #;# -:0:- # FIXME: a semicolon should not `continue' a #;# -:0:-
#;# -:0:- #;# -:0:-
a #;# -:0:- # FIXME: an empty line should not `continue' a #;# -:0:-
a = #;# -:0:- a = #;# -:0:-
' #;# -:0:* ' #;# -:0:*
' #;# ':0:* ' #;# ':0:*
@ -73,11 +73,11 @@ module TestIRB
" #;# -:1:- " #;# -:1:-
" #;# ":1:- " #;# ":1:-
begin #;# -:1:- begin #;# -:1:-
a #;# -:2:- # FIXME: the first line should not be `continue'd a #;# -:2:-
a #;# -:2:- a #;# -:2:-
end #;# -:2:- end #;# -:2:-
else #;# -:1:- else #;# -:1:-
nil #;# -:1:- # FIXME: just after `else' should not be `continue'd nil #;# -:1:-
end #;# -:1:- end #;# -:1:-
end; end;
top_level_statement(src.gsub(/[ \t]*#;#.*/, '')) top_level_statement(src.gsub(/[ \t]*#;#.*/, ''))