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-rw-r--r--lib/coderay/scanners/debug.rb26
-rw-r--r--lib/coderay/scanners/raydebug.rb31
-rw-r--r--lib/coderay/scanners/ruby/string_state.rb14
3 files changed, 45 insertions, 26 deletions
diff --git a/lib/coderay/scanners/debug.rb b/lib/coderay/scanners/debug.rb
index 566bfa7..83ede9a 100644
--- a/lib/coderay/scanners/debug.rb
+++ b/lib/coderay/scanners/debug.rb
@@ -1,9 +1,11 @@
+require 'set'
+
module CodeRay
module Scanners
# = Debug Scanner
#
- # Interprets the output of the Encoders::Debug encoder.
+ # Interprets the output of the Encoders::Debug encoder (basically the inverse function).
class Debug < Scanner
register_for :debug
@@ -11,6 +13,11 @@ module Scanners
protected
+ def setup
+ super
+ @known_token_kinds = TokenKinds.keys.map(&:to_s).to_set
+ end
+
def scan_tokens encoder, options
opened_tokens = []
@@ -21,16 +28,19 @@ module Scanners
encoder.text_token match, :space
elsif match = scan(/ (\w+) \( ( [^\)\\]* ( \\. [^\)\\]* )* ) \)? /x)
- kind = self[1].to_sym
- match = self[2].gsub(/\\(.)/m, '\1')
- unless TokenKinds.has_key? kind
- kind = :error
- match = matched
+ if @known_token_kinds.include? self[1]
+ encoder.text_token self[2].gsub(/\\(.)/m, '\1'), self[1].to_sym
+ else
+ encoder.text_token matched, :unknown
end
- encoder.text_token match, kind
elsif match = scan(/ (\w+) ([<\[]) /x)
- kind = self[1].to_sym
+ if @known_token_kinds.include? self[1]
+ kind = self[1].to_sym
+ else
+ kind = :unknown
+ end
+
opened_tokens << kind
case self[2]
when '<'
diff --git a/lib/coderay/scanners/raydebug.rb b/lib/coderay/scanners/raydebug.rb
index d39d962..1effdc8 100644
--- a/lib/coderay/scanners/raydebug.rb
+++ b/lib/coderay/scanners/raydebug.rb
@@ -1,9 +1,11 @@
+require 'set'
+
module CodeRay
module Scanners
- # = Debug Scanner
+ # = Raydebug Scanner
#
- # Parses the output of the Encoders::Debug encoder.
+ # Highlights the output of the Encoders::Debug encoder.
class Raydebug < Scanner
register_for :raydebug
@@ -12,6 +14,11 @@ module Scanners
protected
+ def setup
+ super
+ @known_token_kinds = TokenKinds.keys.map(&:to_s).to_set
+ end
+
def scan_tokens encoder, options
opened_tokens = []
@@ -26,20 +33,22 @@ module Scanners
encoder.text_token kind, :class
encoder.text_token '(', :operator
match = self[2]
- encoder.text_token match, kind.to_sym unless match.empty?
+ unless match.empty?
+ if @known_token_kinds.include? kind
+ encoder.text_token match, kind.to_sym
+ else
+ encoder.text_token match, :plain
+ end
+ end
encoder.text_token match, :operator if match = scan(/\)/)
elsif match = scan(/ (\w+) ([<\[]) /x)
- kind = self[1]
- case self[2]
- when '<'
- encoder.text_token kind, :class
- when '['
- encoder.text_token kind, :class
+ encoder.text_token self[1], :class
+ if @known_token_kinds.include? self[1]
+ kind = self[1].to_sym
else
- raise 'CodeRay bug: This case should not be reached.'
+ kind = :unknown
end
- kind = kind.to_sym
opened_tokens << kind
encoder.begin_group kind
encoder.text_token self[2], :operator
diff --git a/lib/coderay/scanners/ruby/string_state.rb b/lib/coderay/scanners/ruby/string_state.rb
index 2f398d1..28ddd6c 100644
--- a/lib/coderay/scanners/ruby/string_state.rb
+++ b/lib/coderay/scanners/ruby/string_state.rb
@@ -16,7 +16,6 @@ module Scanners
STRING_PATTERN = Hash.new do |h, k|
delim, interpreted = *k
- # delim = delim.dup # workaround for old Ruby
delim_pattern = Regexp.escape(delim)
if closing_paren = CLOSING_PAREN[delim]
delim_pattern << Regexp.escape(closing_paren)
@@ -29,12 +28,13 @@ module Scanners
# '| [|?*+(){}\[\].^$]'
# end
- h[k] =
- if interpreted && delim != '#'
- / (?= [#{delim_pattern}] | \# [{$@] ) /mx
- else
- / (?= [#{delim_pattern}] ) /mx
- end
+ if interpreted && delim != '#'
+ / (?= [#{delim_pattern}] | \# [{$@] ) /mx
+ else
+ / (?= [#{delim_pattern}] ) /mx
+ end.tap do |pattern|
+ h[k] = pattern if (delim.respond_to?(:ord) ? delim.ord : delim[0]) < 256
+ end
end
def initialize kind, interpreted, delim, heredoc = false