/usr/share/gnu-smalltalk/kernel/SymLink.st is in gnu-smalltalk-common 3.2.4-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | "======================================================================
|
| SymLink Method Definitions
|
|
======================================================================"
"======================================================================
|
| Copyright 1988,92,94,95,99,2000,2001
| Free Software Foundation, Inc.
| Written by Steve Byrne.
|
| This file is part of the GNU Smalltalk class library.
|
| The GNU Smalltalk class library is free software; you can redistribute it
| and/or modify it under the terms of the GNU Lesser General Public License
| as published by the Free Software Foundation; either version 2.1, or (at
| your option) any later version.
|
| The GNU Smalltalk class library 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 Lesser
| General Public License for more details.
|
| You should have received a copy of the GNU Lesser General Public License
| along with the GNU Smalltalk class library; see the file COPYING.LIB.
| If not, write to the Free Software Foundation, 59 Temple Place - Suite
| 330, Boston, MA 02110-1301, USA.
|
======================================================================"
Link subclass: SymLink [
| symbol |
<category: 'Language-Implementation'>
<comment: 'I am used to implement the Smalltalk symbol table. My instances are
links that contain symbols, and the symbol table basically a hash table that
points to chains of my instances.'>
SymLink class >> symbol: aSymbol nextLink: aSymLink [
"Answer a new SymLink, which refers to aSymbol and points to
aSymLink as the next SymLink in the chain."
<category: 'instance creation'>
^(self nextLink: aSymLink)
symbol: aSymbol;
yourself
]
do: aBlock [
"Evaluate aBlock for each symbol in the list"
<category: 'iteration'>
| item |
item := self.
[aBlock value: item symbol.
(item := item nextLink) isNil] whileFalse
]
symbol [
"Answer the Symbol that the receiver refers to in the symbol table."
<category: 'accessing'>
^symbol
]
symbol: aSymbol [
"Set the Symbol that the receiver refers to in the symbol table."
<category: 'accessing'>
symbol := aSymbol
]
printOn: aStream [
"Print a representation of the receiver on aStream."
<category: 'printing'>
aStream nextPut: $[.
self do:
[:elt |
elt printOn: aStream.
aStream nextPut: Character space].
aStream nextPut: $]
]
]
|