"{ Package: 'stx:goodies/petitparser/compiler/tests/extras' }"

"{ NameSpace: Smalltalk }"

TestResource subclass:#PPCResources

	instanceVariableNames:'cache'

	classVariableNames:'javaCache'

	poolDictionaries:''

	category:'PetitCompiler-Extras-Tests-Support'

!

!PPCResources methodsFor:'expressions'!

expressionOfSize: size

    | stream |

    stream := WriteStream on: (String new: size * 5).

    self expressionOfSize: size stream: stream.

    ^ stream contents

!

expressionOfSize: size stream: stream

    | index rand |

    index := 0.

    rand := Random new.

    [index < size] whileTrue: [ 

 		(rand next < 0.1) ifTrue: [  

            | subSize |

            subSize := rand nextInt: (size - index - 1) + 1.

            stream nextPutAll: ' ('.

            self expressionOfSize: subSize stream: stream.

            stream nextPutAll: ') '.

            index := index + subSize.

        ] ifFalse: [ 

            stream nextPutAll: (rand nextInt: 10) asString.

            index := index + 1.

        ].

        (index < size) ifTrue: [ 

 			(rand next < 0.5) 

                ifTrue: [  stream nextPutAll: ' + ' ] 

                ifFalse: [ stream nextPutAll: ' * ' ]

        ]

    ]

!

expressionSourcesBig

    | sources |

    cache at: #expressionSourcesBig ifAbsentPut: [ 

        sources := OrderedCollection new.

        2000 timesRepeat: [ 

            sources add: (self expressionOfSize: 200).

        ].

        sources	

    ].

    ^ cache at: #expressionSourcesBig

!

expressionSourcesMedium

    | sources |

    cache at: #expressionSourcesMedium ifAbsentPut: [ 

        sources := OrderedCollection new.

        1000 timesRepeat: [ 

            sources add: (self expressionOfSize: 100).

        ].

        sources	

    ].

    ^ cache at: #expressionSourcesMedium

! !

!PPCResources methodsFor:'initialization'!

initialize

    super initialize.

    cache := IdentityDictionary new

! !

!PPCResources methodsFor:'java'!

javaInDirectory: directory

    | files |

    files := self readDirectory: directory.

    files := self files: files withExtension: 'java'.

    ^ files collect: [ :f | (FileStream fileNamed: f) contents ]

!

javaLangMath

    ^ (FileStream fileNamed: '../java-src/java/lang/Math.java') contents asString

    "Modified: / 10-05-2015 / 14:11:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

javaSourcesBig

    ^ self javaInDirectory: '../java-src/java/util'.

    "^ self workingJavaInDirectory: '../java-src/java/util'"

!

javaUtilTimer

    ^ (FileStream fileNamed: '../java-src/java/util/Timer.java') contents asString

    "Modified: / 10-05-2015 / 14:11:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

workingJavaInDirectory: directory

    | sources parser |

    "return only such a files, that can be parsed by PPJavaSyntax"

    javaCache ifNil: [ javaCache := Dictionary new ].

    ^ javaCache at: directory ifAbsentPut: [ 

        sources := self javaInDirectory: directory.

        parser := PPJavaSyntax new.

        sources select: [ :source | ([parser parse: source ] on: Error do: [ PPFailure new ]) isPetitFailure not ]	

    ]

! !

!PPCResources methodsFor:'private utilities'!

files: files withExtension: extension

    ^ files select: [ :f | f extension = extension ] 

!

readDirectory: directory

    | file |

    ( (Smalltalk respondsTo: #isSmalltalkX) and:[ Smalltalk isSmalltalkX ] ) ifTrue:[ 

        file := directory asFilename.

        file exists ifFalse:[  

            self error: 'Directory does not exist'.

        ].

        ^ file recursiveDirectoryContentsAsFilenames select:[:each | each isRegularFile ]

    ] ifFalse:[ 

        "Assuming Pharo..."

        file := directory asFileReference.

        file exists ifFalse: [ 

            self error: 'Directory does not exist'.

        ].

        ^ file allFiles

    ]

    "Modified: / 10-05-2015 / 07:54:14 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!PPCResources methodsFor:'smalltalk'!

smalltalkClassMethods

    ^ self smalltalkInDirectory: '../smalltalk-src/Class/'

!

smalltalkInDirectory: directory

    | files |

    files := self readDirectory: directory.

    files := self files: files withExtension: 'st'.

    ^ files collect: [ :f | (FileStream fileNamed: f) contents ]

!

smalltalkObjectMethods

    ^ self smalltalkInDirectory: '../smalltalk-src/Object/'

!

smalltalkSourcesBig

    ^ self smalltalkInDirectory: '../smalltalk-src/'

!

smalltalkSourcesSmall

! !