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- "======================================================================
- |
- | FileSegment Method Definitions
- |
- ======================================================================"
-
-
- "======================================================================
- |
- | Copyright (C) 1990, 1991 Free Software Foundation, Inc.
- | Written by Steve Byrne.
- |
- | This file is part of GNU Smalltalk.
- |
- | GNU Smalltalk is free software; you can redistribute it and/or modify it
- | under the terms of the GNU General Public License as published by the Free
- | Software Foundation; either version 1, or (at your option) any later version.
- |
- | GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
- | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
- | details.
- |
- | You should have received a copy of the GNU General Public License along with
- | GNU Smalltalk; see the file COPYING. If not, write to the Free Software
- | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- |
- ======================================================================"
-
-
- "
- | Change Log
- | ============================================================================
- | Author Date Change
- | sbyrne 3 Sep 89 created.
- |
- "
-
- Object subclass: #FileSegment
- instanceVariableNames: 'fileName startPos length'
- classVariableNames: ''
- poolDictionaries: ''
- category: nil.
-
- FileSegment comment:
- 'My instances represent sections of files. I am primarily used by the
- compiler to record source code locations. I am not a part of the normal
- Smalltalk-80 kernel; I am specific to the GNU Smalltalk implementation.' !
-
-
- !FileSegment class methodsFor: 'basic'!
-
- on: aFile startingAt: startPos for: lengthInteger
- ^self new setFile: aFile start: startPos length: lengthInteger
- !!
-
-
-
- !FileSegment methodsFor: 'basic'!
-
- asString
- | str file |
- str _ String new: length.
- file _ FileStream open: fileName mode: 'r'.
- file position: startPos.
- 1 to: length do: [ :i | str at: i put: (file next) ].
- file close.
- ^str
- !
-
- fileName
- ^fileName
- !
-
- filePos
- ^startPos
- !!
-
-
-
- !FileSegment methodsFor: 'private'!
-
- setFile: aFileName start: startingPos length: lengthInteger
- fileName _ aFileName.
- startPos _ startingPos.
- length _ lengthInteger
- !!
-