From dc57601571af8024700991b6a80129285a980e9e Mon Sep 17 00:00:00 2001
From: Kornelius Kalnbach <murphy@rubychan.de>
Date: Sun, 30 Jun 2013 05:57:38 +0200
Subject: add Lint encoder; do we still need DebugLint?

---
 lib/coderay/encoders/lint.rb | 57 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 lib/coderay/encoders/lint.rb

(limited to 'lib/coderay/encoders/lint.rb')

diff --git a/lib/coderay/encoders/lint.rb b/lib/coderay/encoders/lint.rb
new file mode 100644
index 0000000..4601e90
--- /dev/null
+++ b/lib/coderay/encoders/lint.rb
@@ -0,0 +1,57 @@
+module CodeRay
+module Encoders
+  
+  # = Lint Encoder
+  #
+  # Checks for:
+  # 
+  # - empty tokens
+  # - incorrect nesting
+  # 
+  # It will raise an InvalidTokenStream exception when any of the above occurs.
+  # 
+  # See also: Encoders::DebugLint
+  class Lint < Debug
+    
+    register_for :lint
+    
+    InvalidTokenStream         = Class.new StandardError
+    EmptyToken                 = Class.new InvalidTokenStream
+    IncorrectTokenGroupNesting = Class.new InvalidTokenStream
+    
+    def text_token text, kind
+      raise EmptyToken, 'empty token' if text.empty?
+    end
+    
+    def begin_group kind
+      @opened << kind
+    end
+    
+    def end_group kind
+      raise IncorrectTokenGroupNesting, 'We are inside %s, not %p (end_group)' % [@opened.reverse.map(&:inspect).join(' < '), kind] if @opened.last != kind
+      @opened.pop
+    end
+    
+    def begin_line kind
+      @opened << kind
+    end
+    
+    def end_line kind
+      raise IncorrectTokenGroupNesting, 'We are inside %s, not %p (end_line)' % [@opened.reverse.map(&:inspect).join(' < '), kind] if @opened.last != kind
+      @opened.pop
+    end
+    
+    protected
+    
+    def setup options
+      @opened = []
+    end
+    
+    def finish options
+      raise 'Some tokens still open at end of token stream: %p' % [@opened] unless @opened.empty?
+    end
+    
+  end
+  
+end
+end
-- 
cgit v1.2.1


From ea107396fdd72cdbbaf4820d09a87bd879ba7e6c Mon Sep 17 00:00:00 2001
From: Kornelius Kalnbach <murphy@rubychan.de>
Date: Sun, 21 Jul 2013 16:43:19 +0200
Subject: check token kinds in Lint encoders

---
 lib/coderay/encoders/lint.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib/coderay/encoders/lint.rb')

diff --git a/lib/coderay/encoders/lint.rb b/lib/coderay/encoders/lint.rb
index 4601e90..88c8bd1 100644
--- a/lib/coderay/encoders/lint.rb
+++ b/lib/coderay/encoders/lint.rb
@@ -17,10 +17,12 @@ module Encoders
     
     InvalidTokenStream         = Class.new StandardError
     EmptyToken                 = Class.new InvalidTokenStream
+    UnknownTokenKind           = Class.new InvalidTokenStream
     IncorrectTokenGroupNesting = Class.new InvalidTokenStream
     
     def text_token text, kind
-      raise EmptyToken, 'empty token' if text.empty?
+      raise EmptyToken,       'empty token for %p' % [kind] if text.empty?
+      raise UnknownTokenKind, 'unknown token kind %p (text was %p)' % [kind, text] unless TokenKinds.has_key? kind
     end
     
     def begin_group kind
-- 
cgit v1.2.1