whitespace

korny · korny · commit 004d0c832221 · 2013-06-23T18:14:29.000+02:00
diff --git a/lib/coderay/scanners/go.rb b/lib/coderay/scanners/go.rb
@@ -1,12 +1,12 @@
 module CodeRay
 module Scanners
-
+  
   # Scanner for Go, copy from c
   class Go < Scanner
-
+    
     register_for :go
     file_extension 'go'
-
+    
     # http://golang.org/ref/spec#Keywords
     KEYWORDS = [
       'break', 'default', 'func', 'interface', 'select',
@@ -15,7 +15,7 @@ class Go < Scanner
       'const', 'fallthrough', 'if', 'range', 'type',
       'continue', 'for', 'import', 'return', 'var',
     ]  # :nodoc:
-
+    
     # http://golang.org/ref/spec#Types
     PREDEFINED_TYPES = [
       'bool',
@@ -26,59 +26,59 @@ class Go < Scanner
       'byte', 'rune',
       'uint', 'int', 'uintptr',
     ]  # :nodoc:
-
+    
     PREDEFINED_CONSTANTS = [
       'nil', 'iota',
       'true', 'false',
     ]  # :nodoc:
-
+    
     DIRECTIVES = [
       'go_no_directive',  # Seems no directive concept in Go?
     ]  # :nodoc:
-
+    
     IDENT_KIND = WordList.new(:ident).
       add(KEYWORDS, :keyword).
       add(PREDEFINED_TYPES, :predefined_type).
       add(DIRECTIVES, :directive).
       add(PREDEFINED_CONSTANTS, :predefined_constant)  # :nodoc:
-
+    
     ESCAPE = / [rbfntv\n\\'"] | x[a-fA-F0-9]{1,2} | [0-7]{1,3} /x  # :nodoc:
     UNICODE_ESCAPE =  / u[a-fA-F0-9]{4} | U[a-fA-F0-9]{8} /x  # :nodoc:
-
-  protected
-
+    
+    protected
+    
     def scan_tokens encoder, options
-
+      
       state = :initial
       label_expected = true
       case_expected = false
       label_expected_before_preproc_line = nil
       in_preproc_line = false
-
+      
       until eos?
-
+        
         case state
-
+        
         when :initial
-
+          
           if match = scan(/ \s+ | \\\n /x)
             if in_preproc_line && match != "\\\n" && match.index(?\n)
               in_preproc_line = false
               label_expected = label_expected_before_preproc_line
             end
             encoder.text_token match, :space
-
+          
           elsif match = scan(%r! // [^\n\\]* (?: \\. [^\n\\]* )* | /\* (?: .*? \*/ | .* ) !mx)
             encoder.text_token match, :comment
-
+          
           elsif match = scan(/ [-+*=<>?:;,!&^|()\[\]{}~%]+ | \/=? | \.(?!\d) /x)
             label_expected = match =~ /[;\{\}]/
             if case_expected
               label_expected = true if match == ':'
               case_expected = false
             end
             encoder.text_token match, :operator
-
+          
           elsif match = scan(/ [A-Za-z_][A-Za-z_0-9]* /x)
             kind = IDENT_KIND[match]
             if kind == :ident && label_expected && !in_preproc_line && scan(/:(?!:)/)
@@ -94,7 +94,7 @@ def scan_tokens encoder, options
               end
             end
             encoder.text_token match, kind
-
+          
           elsif match = scan(/L?"/)
             encoder.begin_group :string
             if match[0] == ?L
@@ -107,41 +107,41 @@ def scan_tokens encoder, options
           elsif match = scan(/ \# \s* if \s* 0 /x)
             match << scan_until(/ ^\# (?:elif|else|endif) .*? $ | \z /xm) unless eos?
             encoder.text_token match, :comment
-
+          
           elsif match = scan(/#[ \t]*(\w*)/)
             encoder.text_token match, :preprocessor
             in_preproc_line = true
             label_expected_before_preproc_line = label_expected
             state = :include_expected if self[1] == 'include'
-
+          
           elsif match = scan(/ L?' (?: [^\'\n\\] | \\ #{ESCAPE} )? '? /ox)
             label_expected = false
             encoder.text_token match, :char
-
+          
           elsif match = scan(/\$/)
             encoder.text_token match, :ident
-
+          
           elsif match = scan(/0[xX][0-9A-Fa-f]+/)
             label_expected = false
             encoder.text_token match, :hex
-
+          
           elsif match = scan(/(?:0[0-7]+)(?![89.eEfF])/)
             label_expected = false
             encoder.text_token match, :octal
-
+          
           elsif match = scan(/(?:\d+)(?![.eEfF])L?L?/)
             label_expected = false
             encoder.text_token match, :integer
-
+          
           elsif match = scan(/\d[fF]?|\d*\.\d+(?:[eE][+-]?\d+)?[fF]?|\d+[eE][+-]?\d+[fF]?/)
             label_expected = false
             encoder.text_token match, :float
-
+          
           else
             encoder.text_token getch, :error
-
+          
           end
-
+        
         when :string
           if match = scan(/[^\\\n"]+/)
             encoder.text_token match, :content
@@ -160,36 +160,36 @@ def scan_tokens encoder, options
           else
             raise_inspect "else case \" reached; %p not handled." % peek(1), encoder
           end
-
+        
         when :include_expected
           if match = scan(/<[^>\n]+>?|"[^"\n\\]*(?:\\.[^"\n\\]*)*"?/)
             encoder.text_token match, :include
             state = :initial
-
+          
           elsif match = scan(/\s+/)
             encoder.text_token match, :space
             state = :initial if match.index ?\n
-
+          
           else
             state = :initial
-
+          
           end
-
+        
         else
           raise_inspect 'Unknown state', encoder
-
+        
         end
-
+        
       end
-
+      
       if state == :string
         encoder.end_group :string
       end
-
+      
       encoder
     end
-
+    
   end
-
+  
 end
 end
