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* lib/irb/{init.rb,ruby-lex.rb,slex.rb}: can't input '\c' for

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[ruby-core: 7122]. and support for ruby1.8.X


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
keiju 2006-08-04 10:06:17 +00:00
parent d040c69a58
commit c5f550c069
3 changed files with 38 additions and 24 deletions
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2
lib/irb/init.rb
View file

@ -233,7 +233,7 @@ module IRB
# enumerate possible rc-file base name generators
def IRB.rc_file_generators
if irbrc = ENV["IRBRC"]
yield proc{|rc| irbrc}
yield proc{|rc| rc == "rc" ? irbrc : irbrc+rc}
end
if home = ENV["HOME"]
yield proc{|rc| home+"/.irb#{rc}"}

36
lib/irb/ruby-lex.rb
View file

@ -338,23 +338,23 @@ class RubyLex
def lex_init()
@OP = IRB::SLex.new
@OP.def_rules("\0", "\004", "\032") do
@OP.def_rules("\0", "\004", "\032") do |op, io|
Token(TkEND_OF_SCRIPT)
end
@OP.def_rules(" ", "\t", "\f", "\r", "\13") do
@OP.def_rules(" ", "\t", "\f", "\r", "\13") do |op, io|
@space_seen = true
while getc =~ /[ \t\f\r\13]/; end
ungetc
Token(TkSPACE)
end
@OP.def_rule("#") do
|op, io|
@OP.def_rule("#") do |op, io|
identify_comment
end
@OP.def_rule("=begin", proc{@prev_char_no == 0 && peek(0) =~ /\s/}) do
@OP.def_rule("=begin",
proc{|op, io| @prev_char_no == 0 && peek(0) =~ /\s/}) do
|op, io|
@ltype = "="
until getc == "\n"; end
@ -366,7 +366,7 @@ class RubyLex
Token(TkRD_COMMENT)
end
@OP.def_rule("\n") do
@OP.def_rule("\n") do |op, io|
print "\\n\n" if RubyLex.debug?
case @lex_state
when EXPR_BEG, EXPR_FNAME, EXPR_DOT
@ -478,13 +478,13 @@ class RubyLex
Token(TkOPASGN, $1)
end
@OP.def_rule("+@", proc{@lex_state == EXPR_FNAME}) do
@OP.def_rule("+@", proc{|op, io| @lex_state == EXPR_FNAME}) do
|op, io|
@lex_state = EXPR_ARG
Token(op)
end
@OP.def_rule("-@", proc{@lex_state == EXPR_FNAME}) do
@OP.def_rule("-@", proc{|op, io| @lex_state == EXPR_FNAME}) do
|op, io|
@lex_state = EXPR_ARG
Token(op)
@ -509,6 +509,7 @@ class RubyLex
end
@OP.def_rule(".") do
|op, io|
@lex_state = EXPR_BEG
if peek(0) =~ /[0-9]/
ungetc
@ -539,6 +540,7 @@ class RubyLex
end
@OP.def_rule(":") do
|op, io|
if @lex_state == EXPR_END || peek(0) =~ /\s/
@lex_state = EXPR_BEG
Token(TkCOLON)
@ -549,6 +551,7 @@ class RubyLex
end
@OP.def_rule("::") do
|op, io|
# p @lex_state.id2name, @space_seen
if @lex_state == EXPR_BEG or @lex_state == EXPR_ARG && @space_seen
@lex_state = EXPR_BEG
@ -576,6 +579,7 @@ class RubyLex
end
@OP.def_rules("^") do
|op, io|
@lex_state = EXPR_BEG
Token("^")
end
@ -603,16 +607,19 @@ class RubyLex
end
@OP.def_rule("~") do
|op, io|
@lex_state = EXPR_BEG
Token("~")
end
@OP.def_rule("~@", proc{@lex_state == EXPR_FNAME}) do
@OP.def_rule("~@", proc{|op, io| @lex_state == EXPR_FNAME}) do
|op, io|
@lex_state = EXPR_BEG
Token("~")
end
@OP.def_rule("(") do
|op, io|
@indent += 1
if @lex_state == EXPR_BEG || @lex_state == EXPR_MID
@lex_state = EXPR_BEG
@ -625,17 +632,20 @@ class RubyLex
tk = Token(tk_c)
end
@OP.def_rule("[]", proc{@lex_state == EXPR_FNAME}) do
@OP.def_rule("[]", proc{|op, io| @lex_state == EXPR_FNAME}) do
|op, io|
@lex_state = EXPR_ARG
Token("[]")
end
@OP.def_rule("[]=", proc{@lex_state == EXPR_FNAME}) do
@OP.def_rule("[]=", proc{|op, io| @lex_state == EXPR_FNAME}) do
|op, io|
@lex_state = EXPR_ARG
Token("[]=")
end
@OP.def_rule("[") do
|op, io|
@indent += 1
if @lex_state == EXPR_FNAME
tk_c = TkfLBRACK
@ -654,6 +664,7 @@ class RubyLex
end
@OP.def_rule("{") do
|op, io|
@indent += 1
if @lex_state != EXPR_END && @lex_state != EXPR_ARG
tk_c = TkLBRACE
@ -666,6 +677,7 @@ class RubyLex
end
@OP.def_rule('\\') do
|op, io|
if getc == "\n"
@space_seen = true
@continue = true
@ -692,10 +704,12 @@ class RubyLex
end
@OP.def_rule('$') do
|op, io|
identify_gvar
end
@OP.def_rule('@') do
|op, io|
if peek(0) =~ /[\w_@]/
ungetc
identify_identifier

24
lib/irb/slex.rb
View file

@ -167,9 +167,9 @@ module IRB
def match(chrs, op = "")
D_DETAIL.print "match>: ", chrs, "op:", op, "\n"
if chrs.empty?
if @preproc.nil? || @preproc.yield(op, chrs)
if @preproc.nil? || @preproc.call(op, chrs)
DOUT.printf(D_DETAIL, "op1: %s\n", op)
@postproc.yield(op, chrs)
@postproc.call(op, chrs)
else
nil
end
@ -180,9 +180,9 @@ module IRB
return ret
else
chrs.unshift ch
if @postproc and @preproc.nil? || @preproc.yield(op, chrs)
if @postproc and @preproc.nil? || @preproc.call(op, chrs)
DOUT.printf(D_DETAIL, "op2: %s\n", op.inspect)
ret = @postproc.yield(op, chrs)
ret = @postproc.call(op, chrs)
return ret
else
return nil
@ -190,9 +190,9 @@ module IRB
end
else
chrs.unshift ch
if @postproc and @preproc.nil? || @preproc.yield(op, chrs)
if @postproc and @preproc.nil? || @preproc.call(op, chrs)
DOUT.printf(D_DETAIL, "op3: %s\n", op)
@postproc.yield(op, chrs)
@postproc.call(op, chrs)
return ""
else
return nil
@ -211,9 +211,9 @@ module IRB
ch = io.getc_of_rests
end
if ch.nil?
if @preproc.nil? || @preproc.yield(op, io)
if @preproc.nil? || @preproc.call(op, io)
D_DETAIL.printf("op1: %s\n", op)
@postproc.yield(op, io)
@postproc.call(op, io)
else
nil
end
@ -223,18 +223,18 @@ module IRB
ret
else
io.ungetc ch
if @postproc and @preproc.nil? || @preproc.yield(op, io)
if @postproc and @preproc.nil? || @preproc.call(op, io)
DOUT.exec_if{D_DETAIL.printf "op2: %s\n", op.inspect}
@postproc.yield(op, io)
@postproc.call(op, io)
else
nil
end
end
else
io.ungetc ch
if @postproc and @preproc.nil? || @preproc.yield(op, io)
if @postproc and @preproc.nil? || @preproc.call(op, io)
D_DETAIL.printf("op3: %s\n", op)
@postproc.yield(op, io)
@postproc.call(op, io)
else
nil
end