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-rw-r--r--lib/coderay/scanners/raydebug.rb31
1 files changed, 20 insertions, 11 deletions
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