Use inlined FNV1a hash for String
...and do not use __symbolHash(). Although currently the VM also
uses FNV1a hash for Symbols, the __symbolHash() does not handle
properly character with codepoint 0 (because '\0' is used as a
string terminator). This causes problems with Unicode16/32Strigs whose
version of FNV1a hash is using object size from header to determine
string's end.
Added Symbol>>hash that actually *uses* the __symbolHash() to make
sure it's hash is the the same as used bu the VM. Symbols with zeroes
are rare and there's no Unicode16/32Symbol.
This commit fixes issue #65.
"
COPYRIGHT (c) 2006 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libbasic' }"
"{ NameSpace: Smalltalk }"
Object subclass:#ProgrammingLanguage
instanceVariableNames:''
classVariableNames:'LanguageQuerySignal'
poolDictionaries:''
category:'Kernel-Languages'
!
ProgrammingLanguage class instanceVariableNames:'Instance'
"
No other class instance variables are inherited by this class.
"
!
!ProgrammingLanguage class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 2006 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
provide info about which tools are to be used for code in
a programming language
"
! !
!ProgrammingLanguage class methodsFor:'initialization'!
initialize
LanguageQuerySignal :=
QuerySignal new
nameClass:self message:#languageQuerySignal;
notifierString:'asking for current language';
handlerBlock:[:ex | ex proceedWith:SmalltalkLanguage instance].
"Created: / 12-08-2009 / 14:56:11 / Jan Vrany <vranyj1@fel.cvut.cz>"
"Modified: / 16-08-2009 / 10:36:11 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'instance creation'!
forFile: aFilename
"Answers a language for given source file. If none is found,
SmalltalkLanguage is returned (to provide backward compatibility)"
^ self instancesDetect: [:each | each canReadSourceFile: aFilename ]
ifNone: [ SmalltalkLanguage instance ]
"Created: / 16-08-2009 / 10:08:44 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
forStream: aStream
"Answers a language for given source stream. If none is found,
SmalltalkLanguage is returned (to provide backward compatibility)"
|inputStream|
"/ disregard any filters or decoders
inputStream := aStream inputStream.
inputStream isFileStream ifFalse: [^ SmalltalkLanguage instance].
^ self forFile:inputStream fileName
"Created: / 16-08-2009 / 10:56:26 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
named: aString
^ self named:aString ifNone:[ self error: 'No language named ' , aString ].
"
ProgrammingLanguage named: 'Smalltalk'
ProgrammingLanguage named: 'JavaScript'
ProgrammingLanguage named: 'Ruby'
"
"Created: / 15-08-2009 / 22:40:26 / Jan Vrany <vranyj1@fel.cvut.cz>"
"Modified: / 16-08-2009 / 10:58:01 / Jan Vrany <vranyj1@fel.cvut.cz>"
"Modified: / 04-08-2010 / 12:06:38 / cg"
!
named: aString ifNone: aBlock
^ self
instancesDetect:[:each | each name = aString ]
ifNone: aBlock
"Created: / 21-08-2009 / 13:07:10 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'Signal constants'!
languageQuerySignal
^LanguageQuerySignal
"Created: / 12-08-2009 / 14:57:07 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'accessing'!
all
"
Anwers a collection of all available languages
"
^self allSubclasses collect:[:each|each instance]
"
ProgrammingLanguage all
"
"Created: / 16-08-2009 / 13:43:41 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
current
"
ProgrammingLanguage current
"
^LanguageQuerySignal query
"Created: / 12-08-2009 / 15:02:59 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
instance
"return this languages singleton"
Instance isNil ifTrue:[Instance := self new].
^Instance
"Created: / 16-08-2009 / 10:36:37 / Jan Vrany <vranyj1@fel.cvut.cz>"
"Modified: / 18-11-2011 / 14:51:59 / cg"
! !
!ProgrammingLanguage class methodsFor:'enumerating'!
allDetect:aBlock ifNone:exceptionValue
self allDo:[:each | (aBlock value:each) ifTrue:[^ each]].
^ exceptionValue value
!
allDo: aBlock
^ self allSubclassesDo: [:each | aBlock value: each instance]
"Created: / 16-08-2009 / 14:07:40 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'private'!
instancesDetect: detectBlock ifNone: failBlock
self allSubclasses
do:[:cls|(detectBlock value: cls instance) ifTrue:[^cls instance]].
^failBlock value
"Created: / 16-08-2009 / 10:57:32 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'testing'!
isAvailable: langName
self instancesDetect: [:lang|lang name = langName] ifNone: [^false].
^true
"
ProgrammingLanguage isAvailable: 'Smalltalk'
ProgrammingLanguage isAvailable: 'Ruby'
ProgrammingLanguage isAvailable: 'Haskell'
"
"Created: / 21-08-2009 / 12:56:32 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'accessing'!
id
"Return an unique integer id of this language.
id must be < 32.
This id is used as index to various structures used by runtime"
^self subclassResponsibility
"Created: / 17-03-2011 / 10:51:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
imports
"To make it polymorph with NameSpace for
selector-namespace enabled systems"
^self class all reject:[:lang|lang == self]
"Created: / 20-05-2010 / 14:17:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"
"Modified: / 19-07-2010 / 12:14:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
lookup
^self lookupClass instance
"Created: / 17-03-2011 / 10:57:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
name
"Answers a human-readable name of myself:
'Smalltalk' for SmalltalkLanguage,
'Ruby' for RubyLanguage
...
"
^ self subclassResponsibility
"Created: / 15-08-2009 / 22:38:16 / Jan Vrany <vranyj1@fel.cvut.cz>"
"Modified: / 16-08-2009 / 10:47:21 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
sourceFileSuffix
"Answers a default suffix for source files, i.e. 'st' for Smalltalk,
'js' for JavaScript or 'rb' for Ruby', etc."
^self subclassResponsibility
"Created: / 16-08-2009 / 10:42:40 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'accessing-classes'!
codeGeneratorClass
"Answer a class suitable for generating code (such as getters, setters, etc.)
It is ok to return nil, which means that no code can be generated automagically"
^ nil
!
compilerClass
"Answer a class suitable for compiling a source code in 'my' language"
^self subclassResponsibility
"Created: / 21-08-2009 / 13:00:50 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
compilerClassForInteractiveTools
"Answer a compiler class suitable for usage in interactive tools.
Such class may better integrate into the IDE and register for undo/redo
and/or do more checks and so on. Defaults to #compilerClass"
^ self compilerClass
"Created: / 05-08-2014 / 16:00:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
compilerWithBreakpointSupportClass
"Answer a class suitable for compiling a source code with breakpoints
in 'my' language. If there is non, return nil."
^ nil
"Created: / 22-07-2013 / 15:45:00 / cg"
!
evaluatorClass
"Answer a class suitable for evaluating a doIt in 'my' language"
^ self compilerClass
!
explainerClass
"Answers a class used by browser and debugger to
show some hints about the code. It is OK to return
nil, which means that there is no explainer for given
language."
"return nil by default"
^nil
"Created: / 21-08-2009 / 08:49:13 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
formatterClass
"Answer a class suitable for prettyPrinting (indenting) code in 'my' language.
It is ok to return nil, which means that the browser will not be able to prettyprint."
^ nil
!
lookupClass
^BuiltinLookup
"Created: / 17-03-2011 / 10:56:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
metaClass
"will be used for new classes (in the class wizard);
a fallback here"
^ Metaclass
"Created: / 30-01-2011 / 10:05:03 / cg"
!
parserClass
"Answer a class suitable for parsing a source code in 'my' language"
^self subclassResponsibility
"Created: / 21-08-2009 / 13:00:30 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
sourceFileReaderClass
"Answers a class that can be used for reading & compiling source files"
^self subclassResponsibility
"Created: / 16-08-2009 / 09:00:23 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
sourceFileWriterClass
"Answers a class is used for source file writing (i.e. file-out)"
^self subclassResponsibility
"Created: / 16-08-2009 / 09:40:19 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
syntaxHighlighterClass
"Answers a class used by browser and debugger to colorize code.
It is OK to return nil, which means that the code is shown as-is"
"return nil by default"
^nil
!
valuePrinterClass
"Answers a class used by the workspace to print a value.
If nil, the regular printOn: method is called for"
"return nil by default"
^ nil
! !
!ProgrammingLanguage methodsFor:'printing & storing'!
printOn:aStream
"append a printed representation if the receiver to the argument, aStream"
self class printOn: aStream.
aStream nextPutAll: ' instance'
"Modified: / 19-06-2010 / 09:54:04 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
storeOn:aStream
self class == ProgrammingLanguage
ifTrue:
[super storeOn:aStream]
ifFalse:
[aStream
nextPutAll:'ProgrammingLanguage';
nextPutAll:' named: ';
nextPutAll:self name storeString].
"
ProgrammingLanguage instance storeString
SmalltalkLanguage instance storeString
"
"Created: / 16-08-2009 / 10:52:28 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'queries'!
canReadSourceFile: aFilename
"Answers true iff file contains source code in 'my' language"
"Trivial implementation here, to be overriden by subclasses"
^aFilename suffix = self sourceFileSuffix
"Created: / 16-08-2009 / 10:10:33 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
defaultSelectorNameSpacePrefix
^ nil "/no namespace by default"
!
supportsExtensionMethods
"Answer true iff this language supports extension methods"
^true
"Created: / 19-03-2011 / 10:02:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'source queries'!
commentStrings
^ #(
'"/' "/ EOL comment
('"' '"') "/ normal comment
)
!
methodDefinitionTemplateForSelector:aSelector
"given a selector, return a prototype definition string"
|nA argNames|
(nA := aSelector numArgs) == 1 ifTrue:[
argNames := #('arg')
] ifFalse:[
argNames := (1 to:nA) collect:[:i | 'arg' , i printString].
].
^ self
methodDefinitionTemplateForSelector:aSelector
andArgumentNames:argNames.
"
SmalltalkLanguage instance methodDefinitionTemplateForSelector:#foo
SmalltalkLanguage instance methodDefinitionTemplateForSelector:#+
SmalltalkLanguage instance methodDefinitionTemplateForSelector:#foo:bar:baz:
"
!
methodDefinitionTemplateForSelector:arg1 andArgumentNames:arg2
"raise an error: must be redefined in concrete subclass(es)"
^ self subclassResponsibility
! !
!ProgrammingLanguage methodsFor:'testing'!
isJava
"true iff this is the Java language"
^ false
"Created: / 17-03-2011 / 10:16:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
isJavaLike
"true iff this is the Java like language (Java or Ruby)"
^ false
!
isProgrammingLanguage
^true
"Created: / 21-07-2010 / 15:14:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
isRuby
"true iff this is the ruby language"
^ false
!
isSTXJavaScript
"true iff this is the ST/X-javascript language"
^ false
!
isSmalltalk
"true iff this is the smalltalk language"
^ false
"Created: / 16-08-2009 / 09:01:27 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'utilities - file in/file out'!
fileIn: aFilename
Warning ignoreIn:[
^self sourceFileReaderClass fileIn: aFilename
].
"Created: / 16-08-2009 / 13:28:17 / Jan Vrany <vranyj1@fel.cvut.cz>"
!
fileInStream: aStream
^self sourceFileReaderClass fileInStream: aStream
"Created: / 16-08-2009 / 11:05:46 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage methodsFor:'utilities - source code'!
methodTemplate
"return a method definition template string (or nil)"
|writerClass|
(writerClass := self sourceFileWriterClass) isNil ifTrue:[^ nil].
^ writerClass methodTemplate
"Modified: / 21-08-2012 / 19:44:41 / cg"
!
parenthesisSpecificationForEditor
^ TextView defaultParenthesisSpecification
"Created: / 01-06-2012 / 22:52:25 / cg"
!
versionMethodTemplateForCVS
"raise an error: must be redefined in concrete subclass(es)"
|writerClass|
(writerClass := self sourceFileWriterClass) isNil ifTrue:[^ nil].
^ writerClass versionMethodTemplateForCVS
"Modified: / 21-08-2012 / 19:44:51 / cg"
!
writeComment:aStringOrStringCollection on:aStream
"Utility method - writes a comment to a stream,
using proper syntax"
|writerClass|
(writerClass := self sourceFileWriterClass) notNil ifTrue:[
writerClass new
fileOutComment: aStringOrStringCollection
on: aStream.
].
"Created: / 21-08-2009 / 09:35:07 / Jan Vrany <vranyj1@fel.cvut.cz>"
! !
!ProgrammingLanguage class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libbasic/ProgrammingLanguage.st,v 1.35 2015-02-08 03:40:54 cg Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/libbasic/ProgrammingLanguage.st,v 1.35 2015-02-08 03:40:54 cg Exp $'
!
version_SVN
^ '$ Id: ProgrammingLanguage.st 10643 2011-06-08 21:53:07Z vranyj1 $'
! !
ProgrammingLanguage initialize!