From 84b8431608174e74a4c0d2394eb330a6621bc74b Mon Sep 17 00:00:00 2001
From: no author <noone@nowhere>
Date: Mon, 26 Sep 2005 02:58:54 +0000
Subject: New Repository, initial import

---
 lib/coderay/scanners/delphi.rb | 123 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 lib/coderay/scanners/delphi.rb

(limited to 'lib/coderay/scanners/delphi.rb')

diff --git a/lib/coderay/scanners/delphi.rb b/lib/coderay/scanners/delphi.rb
new file mode 100644
index 0000000..4c03147
--- /dev/null
+++ b/lib/coderay/scanners/delphi.rb
@@ -0,0 +1,123 @@
+module CodeRay module Scanners
+	
+	class Delphi < Scanner
+
+		register_for :delphi
+		
+		RESERVED_WORDS = [
+			'and', 'array', 'as', 'at', 'asm', 'at', 'begin', 'case', 'class',
+			'const', 'constructor', 'destructor', 'dispinterface', 'div', 'do',
+			'downto', 'else', 'end', 'except', 'exports', 'file', 'finalization',
+			'finally', 'for', 'function', 'goto', 'if', 'implementation', 'in',
+			'inherited', 'initialization', 'inline', 'interface', 'is', 'label',
+			'library', 'mod', 'nil', 'not', 'object', 'of', 'or', 'out', 'packed',
+			'procedure', 'program', 'property', 'raise', 'record', 'repeat',
+			'resourcestring', 'set', 'shl', 'shr', 'string', 'then', 'threadvar',
+			'to', 'try', 'type', 'unit', 'until', 'uses', 'var', 'while', 'with',
+			'xor', 'on'
+		]
+
+		DIRECTIVES = [
+			'absolute', 'abstract', 'assembler', 'at', 'automated', 'cdecl',
+			'contains', 'deprecated', 'dispid', 'dynamic', 'export',
+			'external', 'far', 'forward', 'implements', 'local', 
+			'near', 'nodefault', 'on', 'overload', 'override',
+			'package', 'pascal', 'platform', 'private', 'protected', 'public',
+			'published', 'read', 'readonly', 'register', 'reintroduce',
+			'requires', 'resident', 'safecall', 'stdcall', 'stored', 'varargs',
+			'virtual', 'write', 'writeonly'
+		]
+
+		IDENT_KIND = Scanner::WordList.new(:ident, :case_ignore).
+			add(RESERVED_WORDS, :reserved).
+			add(DIRECTIVES, :directive)
+
+		def scan_tokens tokens, options
+
+			state = :initial
+
+			until eos?
+
+				kind = :error
+				match = nil
+
+				if state == :initial
+					
+					if scan(/ \s+ /x)
+						kind = :space
+						
+					elsif scan(%r! \{ \$ [^}]* \}? | \(\* \$ (?: .*? \*\) | .* ) !mx)
+						kind = :preprocessor
+						
+					elsif scan(%r! // [^\n]* | \{ [^}]* \}? | \(\* (?: .*? \*\) | .* ) !mx)
+						kind = :comment
+						
+					elsif scan(/ [-+*\/=<>:;,.@\^|\(\)\[\]]+ /x)
+						kind = :operator
+						
+					elsif match = scan(/ [A-Za-z_][A-Za-z_0-9]* /x)
+						kind = IDENT_KIND[match]
+						
+					elsif match = scan(/ ' ( [^\n']|'' ) (?:'|$) /x)
+						tokens << [:open, :char]
+						tokens << ["'", :delimiter]
+						tokens << [self[1], :content]
+						tokens << ["'", :delimiter]
+						tokens << [:close, :char]
+						next
+						
+					elsif match = scan(/ ' /x)
+						tokens << [:open, :string]
+						state = :string
+						kind = :delimiter
+						
+					elsif scan(/ \# (?: \d+ | \$[0-9A-Fa-f]+ ) /x)
+						kind = :char
+						
+					elsif scan(/ \$ [0-9A-Fa-f]+ /x)
+						kind = :hex
+						
+					elsif scan(/ (?: \d+ ) (?![eE]|\.[^.]) /x)
+						kind = :integer
+						
+					elsif scan(/ \d+ (?: \.\d+ (?: [eE][+-]? \d+ )? | [eE][+-]? \d+ ) /x)
+						kind = :float
+
+					else
+						getch
+					end
+					
+				elsif state == :string
+					if scan(/[^\n']+/)
+						kind = :content
+					elsif scan(/''/)
+						kind = :char
+					elsif scan(/'/)
+						tokens << ["'", :delimiter]
+						tokens << [:close, :string]
+						state = :initial
+						next
+					elsif scan(/\n/)
+						state = :initial
+					else
+						raise "else case \' reached; %p not handled." % peek(1), tokens
+					end
+					
+				else
+					raise 'else-case reached', tokens
+					
+				end
+				
+				match ||= matched
+				raise [match, kind], tokens if kind == :error
+
+				tokens << [match, kind]
+				
+			end
+			
+			tokens
+		end
+
+	end
+
+end end
-- 
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