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definition module scanner
import StdEnv, general
:: SearchPaths :== [String]
:: * ScanState
:: *Input
:: * InputStream
:: LongToken
:: Buffer x
:: FilePosition = {fp_line :: !Int, fp_col :: !Int}
instance <<< FilePosition
:: Token
= IdentToken !.String // an identifier
| IntToken !.String // an integer
| RealToken !.String // a real
| StringToken !.String // a string
| CharToken !.String // a character
| CharListToken !.String // a character list '{char}*'
| BoolToken !Bool // a boolean
| OpenToken // (
| CloseToken // )
| CurlyOpenToken // {
| CurlyCloseToken // }
| SquareOpenToken // [
| SquareCloseToken // ]
| DotToken // .
| SemicolonToken // ;
| ColonToken // :
| DoubleColonToken // ::
| CommaToken // ,
| ExclamationToken // !
| BarToken // |
| ArrowToken // ->
| DoubleArrowToken // =>
| EqualToken // =
| DefinesColonToken // =:
| ColonDefinesToken // :==
| WildCardToken // _
| BackSlashToken // \
| DoubleBackSlashToken // \\
| LeftArrowToken // <-
| LeftArrowColonToken // <-:
| DotDotToken // ..
| AndToken // &
| HashToken // #
| AsteriskToken // *
| LessThanOrEqualToken // <=
| ModuleToken // module
| ImpModuleToken // implementation
| DefModuleToken // definition
| SysModuleToken // system
| ImportToken // import
| FromToken // from
| SpecialToken // special
| IntTypeToken // Int
| CharTypeToken // Char
| RealTypeToken // Real
| BoolTypeToken // Bool
| StringTypeToken // String
| FileTypeToken // File
| WorldTypeToken // World
| VoidTypeToken // Void
| LeftAssocToken // left
| RightAssocToken // right
| ClassToken // class
| InstanceToken // instance
| OtherwiseToken // otherwise
| IfToken // if
| WhereToken // where
| WithToken // with
| CaseToken // case
| OfToken // of
| LetToken Bool // let!, let
| SeqLetToken Bool // Let!, Let
| InToken // in
| DynamicToken // dynamic
| DynamicTypeToken // Dynamic
| PriorityToken Priority // infixX N
| CodeToken // code
| InlineToken // inline
| CodeBlockToken [String] // {...}
| NewDefinitionToken // generated automatically
| EndGroupToken // generated automatically
| EndOfFileToken // end of file
| ErrorToken String // if an error occured
:: Context
= GeneralContext
| TypeContext
| FunctionContext
| CodeContext
:: Assoc = LeftAssoc | RightAssoc | NoAssoc
:: Priority = Prio Assoc Int | NoPrio
class getFilename state :: !*state -> (!String,!*state)
instance getFilename ScanState
class tokenBack state :: !*state -> !*state
instance tokenBack ScanState
class nextToken state :: !Context !*state -> (!Token, !*state)
instance nextToken ScanState
class currentToken state :: !*state -> (!Token, !*state)
instance currentToken ScanState
class insertToken state :: !Token !Context !*state -> *state
instance insertToken ScanState
class replaceToken state :: !Token !*state -> *state
instance replaceToken ScanState
class getPosition state :: !*state -> (!FilePosition,!*state) // Position of current Token (or Char)
instance getPosition ScanState
openScanner :: !String !SearchPaths !*Files -> (!Optional ScanState, !*Files)
closeScanner :: !ScanState !*Files -> *Files
setUseLayout :: !Bool !ScanState -> ScanState
UseLayout :: !ScanState -> (!Bool, !ScanState)
dropOffsidePosition :: !ScanState -> ScanState
isLhsStartToken :: ! Token -> Bool
isOffsideToken :: ! Token -> Bool
isEndGroupToken :: ! Token -> Bool
instance == Token
instance <<< Token
instance toString Token, Priority
/* Sjaak ... */
// instance < Priority
determinePriority :: !Priority !Priority -> Optional Bool
/* ... Sjaak */
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