"

 Copyright (c) 2010-2011 Jan Vrany, Jan Kurs & Marcel Hlopko,

                         SWING Research Group, Czech Technical University 

                         in Prague

 Permission is hereby granted, free of charge, to any person

 obtaining a copy of this software and associated documentation

 files (the 'Software'), to deal in the Software without

 restriction, including without limitation the rights to use,

 copy, modify, merge, publish, distribute, sublicense, and/or sell

 copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following

 conditions:

 The above copyright notice and this permission notice shall be

 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 OTHER DEALINGS IN THE SOFTWARE.

"

"{ Package: 'stx:libjava/experiments' }"

Object subclass:#JavaCompiler

	instanceVariableNames:'analyzer className imports packageName sourceCode sourceDir'

	classVariableNames:'CurrentCompilerClass JavaFileOutDirectory'

	poolDictionaries:''

	category:'Languages-Java-Support-Compiling'

!

JavaParserII subclass:#ClassSourceAnalyzer

	instanceVariableNames:'source package imports name terminator'

	classVariableNames:''

	poolDictionaries:''

	privateIn:JavaCompiler

!

JavaCompiler subclass:#Javac

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	privateIn:JavaCompiler

!

JavaCompiler subclass:#JavacExternal

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	privateIn:JavaCompiler

!

!JavaCompiler class methodsFor:'documentation'!

copyright

"

 Copyright (c) 2010-2011 Jan Vrany, Jan Kurs & Marcel Hlopko,

                         SWING Research Group, Czech Technical University 

                         in Prague

 Permission is hereby granted, free of charge, to any person

 obtaining a copy of this software and associated documentation

 files (the 'Software'), to deal in the Software without

 restriction, including without limitation the rights to use,

 copy, modify, merge, publish, distribute, sublicense, and/or sell

 copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following

 conditions:

 The above copyright notice and this permission notice shall be

 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 OTHER DEALINGS IN THE SOFTWARE.

"

!

documentation

"

    An inteface to Java compiler to compile Java classed from

    source (given as string).

    Real compilation is implemented in one of my subclasses.

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

        Marcel Hlopko <marcel.hlopko@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

"

!

history

    "Created: #dotJavaPathname / 13-12-2012 / 00:02:03 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

! !

!JavaCompiler class methodsFor:'initialization'!

initialize

    "Invoked at system start or when the class is dynamically loaded"

    "/ please change as required (and remove this comment)

    CurrentCompilerClass := Javac.

    JavaFileOutDirectory := Filename newTemporaryDirectory.

    "Modified: / 15-12-2012 / 23:02:41 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler class methodsFor:'instance creation'!

new

    ^(CurrentCompilerClass ? self) basicNew initialize

    "Created: / 15-12-2012 / 16:48:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

newAnalyzer

    ^ClassSourceAnalyzer new

    "Created: / 15-12-2012 / 16:58:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler class methodsFor:'accessing'!

fileOutDirectory

    ^JavaFileOutDirectory

    "Created: / 15-12-2012 / 23:03:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler class methodsFor:'compiling'!

compile: source 

    "Compiles a java class in given source code (passed as String).

     Return a JavaClass which is not yet registered in Java class registry

     nor initialiized.

     To make it accessible for Java code, caller must register returned

     class himself.

     Upon error, throws an exception"

    ^ self new compile: source.

    "Created: / 06-12-2012 / 22:14:12 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified (comment): / 15-12-2012 / 16:52:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler methodsFor:'compiling'!

compile:source

    "Compiles a java class in given source code (passed as String).

     Return a JavaClass which is not yet registered in Java class registry

     nor initialiized.

     To make it accessible for Java code, caller must register returned

     class himself.

     Upon error, throws an exception"

    ^ self subclassResponsibility

    "Modified (comment): / 15-12-2012 / 16:53:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer class methodsFor:'accessing'!

ignoredNames

    ^super ignoredNames , self instVarNames

    "Created: / 15-12-2012 / 17:17:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer class methodsFor:'documentation'!

copyright

"

 Copyright (c) 2010-2011 Jan Vrany, Jan Kurs & Marcel Hlopko,

                         SWING Research Group, Czech Technical University 

                         in Prague

 Permission is hereby granted, free of charge, to any person

 obtaining a copy of this software and associated documentation

 files (the 'Software'), to deal in the Software without

 restriction, including without limitation the rights to use,

 copy, modify, merge, publish, distribute, sublicense, and/or sell

 copies of the Software, and to permit persons to whom the

 Software is furnished to do so, subject to the following

 conditions:

 The above copyright notice and this permission notice shall be

 included in all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 OTHER DEALINGS IN THE SOFTWARE.

"

!

history

    "Created: #imports / 08-12-2012 / 20:01:41 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: #imports / 09-12-2012 / 09:21:09 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

!

version_SVN

    ^ '§Id::                                                                                                                        §'

! !

!JavaCompiler::ClassSourceAnalyzer class methodsFor:'instance creation'!

analyze: javaSourceCode

    ^ self new analyze: javaSourceCode.

    "Created: / 08-12-2012 / 18:47:26 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified (format): / 15-12-2012 / 16:59:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

new

    ^self newStartingAt: #compilationUnit

    "Created: / 15-12-2012 / 17:15:49 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer methodsFor:'accessing'!

className

    <resource: #obsolete>

    ^ name

    "Created: / 08-12-2012 / 18:53:53 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 15-12-2012 / 17:04:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

imports

    ^imports ? #()

    "Created: / 08-12-2012 / 20:01:41 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 09-12-2012 / 09:21:09 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 15-12-2012 / 17:20:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

name

    ^ name

!

package

    ^ package

!

packageName

    <resource: #obsolete>

    ^package

    "Created: / 08-12-2012 / 18:50:26 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 15-12-2012 / 17:56:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer methodsFor:'grammar'!

importDeclaration 

"

    ^ ((self importKW) , (self staticKW) optional , qualifiedNameForImport 

        , (self tokenFor:';')).

        "

    ^ super importDeclaration ==> [:nodes | 

            imports isNil ifTrue:[imports := OrderedCollection new].

            imports add: (nodes at:3) value.

    ].

    "Created: / 15-12-2012 / 17:28:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

packageDeclaration 

"/        ^ (self  packageKW) , qualifiedName , (self tokenFor:';')

    ^super packageDeclaration ==> [:nodes| package := nodes second ].

    "Created: / 15-12-2012 / 22:44:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer methodsFor:'grammar-classes'!

normalClassDeclaration

    "

        ^ classModifiers , (self  classKW) , self typeNameIdentifier ,

                typeParameters optional,

                jsuper optional,

                interfaces optional ,

                classBody"

    ^ super normalClassDeclaration 

        ==> [:nodes | 

            name := (nodes at:3) value.

            terminator value

        ]

    "Created: / 15-12-2012 / 17:08:20 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::ClassSourceAnalyzer methodsFor:'parsing'!

analyze: aString 

    source := aString.

    terminator := [ ^ self ].

    self parse: source.

    "Created: / 08-12-2012 / 18:48:56 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 15-12-2012 / 17:04:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::Javac class methodsFor:'documentation'!

documentation

"

    A Java compiler that uses Java 6 Tool API (i.e., loads javac into

    running libjava)

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

        http://today.java.net/pub/a/today/2008/04/10/source-code-analysis-using-java-6-compiler-apis.html

"

! !

!JavaCompiler::Javac methodsFor:'compiling'!

compile:source

    "Compiles a java class in given source code (passed as String).

     Return a JavaClass which is not yet registered in Java class registry

     nor initialiized.

     To make it accessible for Java code, caller must register returned

     class himself.

     Upon error, throws an exception"

    | javafile javac manager files units task classfile |

    javafile := self fileOut: source.

    classfile := javafile withoutSuffix withSuffix: 'class'.

    classfile exists ifTrue:[classfile remove].

    javac := JAVA javax tools ToolProvider getSystemJavaCompiler.

    manager := javac getStandardFileManager: nil with: nil with: nil.

    files := JAVA java util ArrayList new.

    files add: (JAVA java io File new: javafile pathName).

    units := manager getJavaFileObjectsFromFiles: files.

    task := javac getTask: nil with: manager with: nil with: nil with: nil with: units.

    task call ifFalse:[

        self error:'Compilation failed for whatever reason!!'.

    ].

    classfile exists ifFalse:[

        self error:'Compilation failed for whatever reason - no class file created'.

    ].

    ^JavaClassReader readStream: classfile readStream.

    "Created: / 15-12-2012 / 23:04:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 16-12-2012 / 15:36:16 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

! !

!JavaCompiler::Javac methodsFor:'private'!

fileOut: source

    "Files out given source into a file under JavaFileOutDirectory.

     into proper directory (as javac requires). The directory is created

     if it does not exists.

     Returns a full filename of the filed-out source"

    | analyzer filename |

    analyzer := self class newAnalyzer.

    analyzer analyze: source.

    filename := JavaFileOutDirectory / 

                    ((analyzer package ? '') copyReplaceAll:$. with: Filename separator) /

                    (analyzer name , '.java').

    filename directory exists ifFalse:[

        filename directory recursiveMakeDirectory

    ].

    filename writingFileDo:[:f|f nextPutAll: source].

    ^filename.

    "Created: / 15-12-2012 / 23:04:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!JavaCompiler::JavacExternal class methodsFor:'documentation'!

documentation

"                                        

    A Java compiler that calls external javac command. 

    Unfinished.

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

"

! !

!JavaCompiler::JavacExternal methodsFor:'compiling'!

compile: source

    "Compiles a java class in given source code (passed as String).

     Return a JavaClass which is not yet registered in Java class registry

     nor initialiized.

     To make it accessible for Java code, caller must register returned

     class himself.

    | classDir  wasSuccessful  package  packageAsPath  compiledClass  result |

    sourceCode := source.

    sourceDir := Java cacheDirectory.

    analyzer := self analyzerFor: sourceCode.

        self fileOutSourceCode.

    result := self runCompiler.

    ^ result.

    "Created: / 06-12-2012 / 23:13:47 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 07-12-2012 / 10:05:03 / Marcel Hlopko <hlopkmar@fel.cvut.cz>"

    "Modified: / 12-12-2012 / 23:58:04 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified (comment): / 15-12-2012 / 16:52:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

runCompiler

    | result  compiledClass |

    result := OperatingSystem 

            executeCommand: 'javac -cp "' , Java classPathAsString , ':' , sourceDir pathName

                    , '" ' , self dotJavaPathname

            inDirectory: sourceDir.

    result ifFalse: [ self error: 'Compilation of Java class failed' ].

    compiledClass := JavaClassReader 

            readFile: sourceDir / self dotClassPathname

            ignoring: #().

    compiledClass classInit.

    compiledClass setSource: sourceCode.

    ^ compiledClass.

    "Created: / 08-12-2012 / 22:02:47 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 13-12-2012 / 00:11:43 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

! !

!JavaCompiler::JavacExternal methodsFor:'private'!

analyzerFor: sourceCode

   ^ self newAnalyzer analyze: sourceCode.

    "Created: / 08-12-2012 / 21:57:00 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

    "Modified: / 15-12-2012 / 16:58:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

className

    className ifNil: [ className := analyzer className. ].

    ^ className.

    "Created: / 12-12-2012 / 23:59:08 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"

!

classPackageAsPath

    | name |

    name := self packageName.

    name isNil ifTrue: [ ^ '' ].

    ^ (name copyReplaceAll: $. with: Filename separator) , Filename separator.

    "Created: / 08-12-2012 / 22:50:40 / Marcel Hlopko <marcel.hlopko@fit.cvut.cz>"