--- a/tools/PascalUnitSyntaxTree.hs	Sun Nov 04 06:11:39 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,119 +0,0 @@
-module PascalUnitSyntaxTree where
-
-import Data.Maybe
-import Data.Char
-
-data PascalUnit =
-    Program Identifier Implementation Phrase
-    | Unit Identifier Interface Implementation (Maybe Initialize) (Maybe Finalize)
-    | System [TypeVarDeclaration]
-    | Redo [TypeVarDeclaration]
-    deriving Show
-data Interface = Interface Uses TypesAndVars
-    deriving Show
-data Implementation = Implementation Uses TypesAndVars
-    deriving Show
-data Identifier = Identifier String BaseType
-    deriving Show
-data TypesAndVars = TypesAndVars [TypeVarDeclaration]
-    deriving Show
-data TypeVarDeclaration = TypeDeclaration Identifier TypeDecl
-    | VarDeclaration Bool Bool ([Identifier], TypeDecl) (Maybe InitExpression)
-    | FunctionDeclaration Identifier Bool TypeDecl [TypeVarDeclaration] (Maybe (TypesAndVars, Phrase))
-    | OperatorDeclaration String Identifier Bool TypeDecl [TypeVarDeclaration] (Maybe (TypesAndVars, Phrase))
-    deriving Show
-data TypeDecl = SimpleType Identifier
-    | RangeType Range
-    | Sequence [Identifier]
-    | ArrayDecl (Maybe Range) TypeDecl
-    | RecordType [TypeVarDeclaration] (Maybe [[TypeVarDeclaration]])
-    | PointerTo TypeDecl
-    | String Integer
-    | Set TypeDecl
-    | FunctionType TypeDecl [TypeVarDeclaration]
-    | DeriveType InitExpression
-    | VoidType
-    | VarParamType TypeDecl -- this is a hack
-    deriving Show
-data Range = Range Identifier
-           | RangeFromTo InitExpression InitExpression
-           | RangeInfinite
-    deriving Show
-data Initialize = Initialize String
-    deriving Show
-data Finalize = Finalize String
-    deriving Show
-data Uses = Uses [Identifier]
-    deriving Show
-data Phrase = ProcCall Reference [Expression]
-        | IfThenElse Expression Phrase (Maybe Phrase)
-        | WhileCycle Expression Phrase
-        | RepeatCycle Expression [Phrase]
-        | ForCycle Identifier Expression Expression Phrase Bool -- The last Boolean indicates wether it's up or down counting
-        | WithBlock Reference Phrase
-        | Phrases [Phrase]
-        | SwitchCase Expression [([InitExpression], Phrase)] (Maybe [Phrase])
-        | Assignment Reference Expression
-        | BuiltInFunctionCall [Expression] Reference
-        | NOP
-    deriving Show
-data Expression = Expression String
-    | BuiltInFunCall [Expression] Reference
-    | PrefixOp String Expression
-    | PostfixOp String Expression
-    | BinOp String Expression Expression
-    | StringLiteral String
-    | PCharLiteral String
-    | CharCode String
-    | HexCharCode String
-    | NumberLiteral String
-    | FloatLiteral String
-    | HexNumber String
-    | Reference Reference
-    | SetExpression [Identifier]
-    | Null
-    deriving Show
-data Reference = ArrayElement [Expression] Reference
-    | FunCall [Expression] Reference
-    | TypeCast Identifier Expression
-    | SimpleReference Identifier
-    | Dereference Reference
-    | RecordField Reference Reference
-    | Address Reference
-    | RefExpression Expression
-    deriving Show
-data InitExpression = InitBinOp String InitExpression InitExpression
-    | InitPrefixOp String InitExpression
-    | InitReference Identifier
-    | InitArray [InitExpression]
-    | InitRecord [(Identifier, InitExpression)]
-    | InitFloat String
-    | InitNumber String
-    | InitHexNumber String
-    | InitString String
-    | InitChar String
-    | BuiltInFunction String [InitExpression]
-    | InitSet [InitExpression]
-    | InitAddress InitExpression
-    | InitNull
-    | InitRange Range
-    | InitTypeCast Identifier InitExpression
-    deriving Show
-
-data BaseType = BTUnknown
-    | BTChar
-    | BTString
-    | BTInt
-    | BTBool
-    | BTFloat
-    | BTRecord String [(String, BaseType)]
-    | BTArray Range BaseType BaseType
-    | BTFunction Bool Int BaseType
-    | BTPointerTo BaseType
-    | BTUnresolved String
-    | BTSet BaseType
-    | BTEnum [String]
-    | BTVoid
-    | BTUnit
-    | BTVarParam BaseType
-    deriving Show