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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| Extension { #name : #SourceFileArray } | ||
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| { #category : #'*System-Changes' } | ||
| SourceFileArray >> changeRecordsFor: aMethodDefinition [ | ||
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| ^ self | ||
| changeRecordsFrom: aMethodDefinition sourcePointer | ||
| className: aMethodDefinition methodClass instanceSide name | ||
| isMeta: aMethodDefinition methodClass isMeta | ||
| ] | ||
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| { #category : #'*System-Changes' } | ||
| SourceFileArray >> changeRecordsFor: aMethodDefinition detect: aUnaryBlock [ | ||
| "Try to detect the most recent ChangeRecord that satisfies aUnaryBlock. Answer nil if none satisfies." | ||
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| self | ||
| changeRecordsFor: aMethodDefinition | ||
| do: [ :changeRecord | | ||
| (aUnaryBlock value: changeRecord category) | ||
| ifTrue: [ ^ changeRecord ] ]. | ||
| ^ nil | ||
| ] | ||
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| { #category : #'*System-Changes' } | ||
| SourceFileArray >> changeRecordsFor: aMethodDefinition do: aUnaryBlock [ | ||
| "Evaluate aUnaryBlock with each of the ChangeRecords of aMethodDefinition. Most recent changes are evaluated first." | ||
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| ^ self | ||
| changeRecordsFrom: aMethodDefinition sourcePointer | ||
| className: aMethodDefinition instanceSideParentName | ||
| isMeta: aMethodDefinition isMetaSide | ||
| do: aUnaryBlock | ||
| ] | ||
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| { #category : #'*System-Changes' } | ||
| SourceFileArray >> changeRecordsFrom: initialSourcePointer className: theNonMetaClassName isMeta: classIsMeta [ | ||
| "Answer the ChangeRecords of a method or class comment, starting from the initialSourcePointer. | ||
| Most recent changes go first." | ||
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| | changeRecords | | ||
| changeRecords := OrderedCollection new. | ||
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| self | ||
| changeRecordsFrom: initialSourcePointer | ||
| className: theNonMetaClassName | ||
| isMeta: classIsMeta | ||
| do: [ :changeRecord | changeRecords add: changeRecord ]. | ||
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| ^ changeRecords | ||
| ] | ||
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| { #category : #'*System-Changes' } | ||
| SourceFileArray >> changeRecordsFrom: initialSourcePointer className: theNonMetaClassName isMeta: classIsMeta do: aUnaryBlock [ | ||
| "Evaluate aUnaryBlock with each of the ChangeRecords of a method or class comment, starting from the initialSourcePointer. | ||
| Most recent changes are evaluated first." | ||
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| | filePosition fileIndex | | ||
| fileIndex := self fileIndexFromSourcePointer: initialSourcePointer. | ||
| filePosition := self filePositionFromSourcePointer: initialSourcePointer. | ||
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| self readOnlyDo: [ :sourceFilesCopy | | ||
| | file previousFilePosition previousFileIndex preamble stamp protocol preambleTokens | | ||
| file := sourceFilesCopy fileAt: fileIndex ifAbsent: [ ^ self ]. | ||
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| [ filePosition notNil & file notNil ] | ||
| whileTrue: [ | ||
| file position: (0 max: filePosition - 150). "Skip back to before the preamble" | ||
| [ file position < (filePosition - 1) ] whileTrue: [ | ||
| preamble := (ChunkReadStream on: file) next ]. "then pick it up from the front" | ||
| "Preamble is likely a linked method preamble, if we're in | ||
| a changes file (not the sources file). Try to parse it | ||
| for prior source position and file index" | ||
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| previousFilePosition := nil. | ||
| stamp := ''. | ||
| "method records" | ||
| (preamble includesSubstring: 'methodsFor:') | ||
| ifTrue: [ preambleTokens := preamble parseLiterals ] | ||
| ifFalse: [ preambleTokens := Array new "ie cant be back ref" ]. | ||
| ((preambleTokens size between: 7 and: 8) and: [ (preambleTokens at: preambleTokens size - 5) = #methodsFor: ]) | ||
| ifTrue: [ | ||
| (preambleTokens at: preambleTokens size - 3) = #stamp: | ||
| ifTrue: [ | ||
| "New format gives change stamp and unified prior pointer" | ||
| stamp := preambleTokens at: preambleTokens size - 2. | ||
| previousFilePosition := preambleTokens last. | ||
| previousFileIndex := self fileIndexFromSourcePointer: previousFilePosition. | ||
| previousFilePosition := self filePositionFromSourcePointer: previousFilePosition ] | ||
| ifFalse: [ | ||
| "Old format gives no stamp; prior pointer in two parts" | ||
| previousFilePosition := preambleTokens at: preambleTokens size - 2. | ||
| previousFileIndex := preambleTokens last ]. | ||
| (previousFilePosition = 0 or: [ previousFileIndex = 0 ]) | ||
| ifTrue: [ previousFilePosition := nil ] ]. | ||
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| ((preambleTokens size between: 5 and: 6) and: [ (preambleTokens at: preambleTokens size - 3) = #methodsFor: ]) | ||
| ifTrue: [ | ||
| (preambleTokens at: preambleTokens size - 1) = #stamp: | ||
| ifTrue: [ | ||
| "New format gives change stamp and unified prior pointer" | ||
| stamp := preambleTokens at: preambleTokens size ] ]. | ||
| "class comment records" | ||
| (preamble includesSubstring: 'commentStamp:') | ||
| ifTrue: [ preambleTokens := preamble parseLiterals ]. | ||
| ((preambleTokens size = 5 or: [ preambleTokens size = 3 ]) and: [ (preambleTokens at: 2) = #commentStamp: ]) | ||
| ifTrue: [ | ||
| stamp := preambleTokens at: 3. | ||
| preambleTokens size > 3 | ||
| ifTrue: [ | ||
| previousFilePosition := preambleTokens last. | ||
| previousFileIndex := self fileIndexFromSourcePointer: previousFilePosition. | ||
| previousFilePosition := self filePositionFromSourcePointer: previousFilePosition ]. | ||
| aUnaryBlock | ||
| value: | ||
| (ChangeRecord new | ||
| file: file | ||
| position: filePosition | ||
| type: #classComment | ||
| class: theNonMetaClassName | ||
| category: nil | ||
| meta: classIsMeta | ||
| stamp: stamp) ] | ||
| ifFalse: [ | ||
| protocol := preambleTokens after: #methodsFor: ifAbsent: [ Protocol unclassified ]. | ||
| aUnaryBlock | ||
| value: | ||
| (ChangeRecord new | ||
| file: file | ||
| position: filePosition | ||
| type: #method | ||
| class: theNonMetaClassName | ||
| category: protocol | ||
| meta: classIsMeta | ||
| stamp: stamp) ]. | ||
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| filePosition := previousFilePosition. | ||
| previousFilePosition ifNotNil: [ | ||
| file := sourceFilesCopy | ||
| fileAt: previousFileIndex | ||
| ifAbsent: [ ^ self ] ] ] ] | ||
| ] |
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