Initial support for completing selector parts.
When user types
map at: 1 ifA
then the completer also offers to complete `ifAbsent:`, `ifAbsentPut:` ... in addition to
SmallInteger methods.
"{ Package: 'jv:smallsense' }"
"{ NameSpace: SmallSense }"
Object subclass:#CompletionEngine
instanceVariableNames:'codeView result context'
classVariableNames:''
poolDictionaries:''
category:'SmallSense-Core'
!
!CompletionEngine class methodsFor:'accessing'!
exactMatcher
"Return a match block returning true, if given selector start with given prefix"
^ [ :prefix :selector | selector startsWith: prefix ]
"Created: / 08-04-2014 / 21:31:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
inexactMatcher
"Return a match block returning true, if given prefix matches given selector"
^ [ :prefix :selector |
prefix size < 5 ifTrue:[
selector startsWith: prefix.
] ifFalse:[
| part |
part := selector copyTo: (prefix size min: selector size).
(prefix levenshteinTo: part) < 15
].
].
"Created: / 08-04-2014 / 21:30:30 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
matcher
"Return a match block returning true, if given prefix matches given selector"
^ [ :prefix :selector |
prefix size < 5 ifTrue:[
selector startsWith: prefix.
] ifFalse:[
| part |
part := selector copyTo: (prefix size min: selector size).
(prefix levenshteinTo: part) < 15
].
].
"Created: / 02-04-2014 / 23:30:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!CompletionEngine class methodsFor:'testing'!
isAbstract
^ self == CompletionEngine
"Created: / 02-10-2013 / 13:11:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!CompletionEngine methodsFor:'completion'!
complete: aCompletionContext
"Compute completion for given completion context, taking all the information
from it. Returns a CompletionResult with computed completions"
context := aCompletionContext.
result := CompletionResult new.
codeView := context codeView.
result context: context.
^ self complete.
"Created: / 21-01-2014 / 23:07:47 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
completeFor: aCodeView2OrTextEditView
"Compute completion for given codeView, taking all the information
from it. Returns a CompletionResult with computed completions"
codeView := aCodeView2OrTextEditView.
result := CompletionResult new.
^ self complete.
"Created: / 02-10-2013 / 13:24:43 / Jan Vrany <jan.vrany@fit.cvut.cz>"
"Modified: / 03-10-2013 / 16:42:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!CompletionEngine methodsFor:'completion-individual'!
addMethodsStartingWith: prefix
^ self addMethodsStartingWith: prefix stripOff: nil filter: nil
"Created: / 24-07-2013 / 13:10:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"
"Modified: / 08-04-2014 / 21:36:54 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
addMethodsStartingWith: prefix stripOff: stripoffPrefix
^ self addMethodsStartingWith: prefix stripOff: stripoffPrefix filter: nil
"Created: / 08-04-2014 / 21:36:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
addMethodsStartingWith: prefix stripOff: stripoffPrefix filter: filterOrNil
| matcher |
matcher := stripoffPrefix isEmptyOrNil ifTrue:[ CompletionEngine inexactMatcher ] ifFalse:[ CompletionEngine exactMatcher ].
^ self addMethodsStartingWith: prefix stripOff: stripoffPrefix filter: filterOrNil matcher: matcher.
"Created: / 08-04-2014 / 21:35:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
addMethodsStartingWith: prefix stripOff: stripoffPrefix filter: filterOrNil matcher: matcher
| matchPrefix selectors filter |
selectors := Dictionary new.
matchPrefix := stripoffPrefix isNil ifTrue:[ prefix ] ifFalse:[ stripoffPrefix , prefix ].
filter := filterOrNil isNil ifTrue:[ [:method | true ] ] ifFalse:[ filterOrNil ].
Smalltalk allClassesDo:[:class|
class selectorsAndMethodsDo:[:selector :mthd |
(mthd isSynthetic not and:[(filter value: mthd) and:[ matcher value: matchPrefix value: selector]]) ifTrue:[
| class skip |
class := mthd mclass superclass.
skip := false.
[ skip not and:[class notNil] ] whileTrue:[
(class methodDictionary includesKey: selector) ifTrue:[
skip := true.
].
class := class superclass.
].
skip ifFalse:[
| classes |
classes := selectors at: selector ifAbsentPut:[ Set new ].
(classes includes: mthd mclass) ifFalse:[
classes add: mthd mclass.
].
].
]
].
].
selectors keysAndValuesDo: [:selector :classes|
result add:(MethodPO
name:selector
class:(classes size == 1 ifTrue:[classes anElement] ifFalse:[classes])
stripOff: stripoffPrefix)
]
"Created: / 08-04-2014 / 21:34:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!CompletionEngine methodsFor:'completion-private'!
complete
"Compute completion for `codeView`, taking all the information
from it. Returns a CompletionResult with computed completions"
^ self subclassResponsibility
"Modified (comment): / 02-10-2013 / 13:33:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !
!CompletionEngine class methodsFor:'documentation'!
version_HG
^ '$Changeset: <not expanded> $'
! !