[Pharo-project] Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz
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From: pharo-project-owner@lists.gforge.inria.fr Subject: Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 30, 2012 6:48:24 PM GMT+02:00 To: stephane.ducasse@gmail.com
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From: stephane ducasse <stephane.ducasse@gmail.com> Subject: Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 30, 2012 6:46:40 PM GMT+02:00 To: Pharo Development <Pharo-project@lists.gforge.inria.fr>
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From: commits@source.squeak.org Subject: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 26, 2012 6:07:56 PM GMT+02:00 To: squeak-dev@lists.squeakfoundation.org, packages@lists.squeakfoundation.org Reply-To: squeak-dev@lists.squeakfoundation.org
Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.684.mcz
==================== Summary ====================
Name: Kernel-eem.684 Author: eem Time: 26 April 2012, 11:07:37.737 am UUID: e838a325-27ec-4a62-a907-d4059451a046 Ancestors: Kernel-nice.683
Implement endPC numArgs and numTemps for closures and contexts (both block and method activations). Provide CompiledMethod>abstractBytecodeMessagesDo: et al. Implement BlockClosure>isClean to identify self-contained blocks.
=============== Diff against Kernel-nice.683 ===============
Item was added: + ----- Method: BlockClosure>>abstractBytecodeMessagesDo: (in category 'scanning') ----- + abstractBytecodeMessagesDo: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes in the receiver." + self method + abstractBytecodeMessagesFrom: startpc + to: self endPC + do: aBlock + + "| msgs | + msgs := OrderedCollection new. + (SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock + abstractBytecodeMessagesDo: [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: BlockClosure>>blockCreationBytecodeMessage (in category 'scanning') ----- + blockCreationBytecodeMessage + "Answer the abstract bytecode message that created the receiver." + | blockCreationBytecodeSize | + ^self method abstractBytecodeMessageAt: startpc - (blockCreationBytecodeSize := 4) + + "(SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock blockCreationBytecodeMessage"!
Item was added: + ----- Method: BlockClosure>>endPC (in category 'accessing') ----- + endPC + ^self blockCreationBytecodeMessage arguments last + startpc - 1!
Item was changed: ----- Method: BlockClosure>>hasMethodReturn (in category 'testing') ----- hasMethodReturn "Answer whether the receiver has a method-return ('^') in its code." + | scanner endpc | + scanner := InstructionStream new method: outerContext method pc: startpc. + endpc := self endPC. + scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc > endpc]]. + ^scanner pc <= endpc! - | myMethod scanner preceedingBytecodeMessage end | - "Determine end of block from the instruction preceding it. - Find the instruction by using an MNU handler to capture - the instruction message sent by the scanner." - myMethod := outerContext method. - scanner := InstructionStream new method: myMethod pc: myMethod initialPC. - [scanner pc < startpc] whileTrue: - [[scanner interpretNextInstructionFor: nil] - on: MessageNotUnderstood - do: [:ex| preceedingBytecodeMessage := ex message]]. - end := preceedingBytecodeMessage arguments last + startpc - 1. - scanner method: myMethod pc: startpc. - scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc > end]]. - ^scanner pc <= end!
Item was added: + ----- Method: BlockClosure>>isClean (in category 'testing') ----- + isClean + "Answer if the receiver does not close-over any variables other than globals, and does + not ^-return (does not close over the home context). Clean blocks are amenable to + being created at compile-time." + self numCopiedValues > 0 ifTrue: + [^false]. + self abstractBytecodeMessagesDo: + [:msg| + (#( pushReceiver + pushReceiverVariable: popIntoReceiverVariable: storeIntoReceiverVariable: + methodReturnConstant: methodReturnReceiver methodReturnTop) + includes: msg selector) ifTrue: + [^false]]. + ^true + + "clean:" + "[] isClean" + "[:a :b| a < b] isClean" + "unclean" + "[^nil] isClean" + "[self class] isClean" + "| v | v := 0. + [v class] isClean"!
Item was added: + ----- Method: BlockClosure>>numTemps (in category 'accessing') ----- + numTemps + "Answer the number of temporaries for the receiver; this includes + the number of arguments and the number of copied values." + | blockCreationBytecodeSize | + ^self numCopiedValues + + self numArgs + + (BlockLocalTempCounter + tempCountForBlockAt: startpc - (blockCreationBytecodeSize := 4) + in: self method)!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessageAt: (in category 'scanning') ----- + abstractBytecodeMessageAt: pc + "Answer the abstract bytecode message at pc in the receiver." + ^[(InstructionStream new method: self pc: pc) interpretNextInstructionFor: nil] + on: MessageNotUnderstood + do: [:ex| ex message]!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessagesDo: (in category 'scanning') ----- + abstractBytecodeMessagesDo: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes in the receiver" + self abstractBytecodeMessagesFrom: self initialPC + to: self endPC + do: aBlock + + "| msgs | + msgs := OrderedCollection new. + CompiledMethod >> #abstractBytecodeMessagesFrom:to: abstractBytecodeMessagesDo: + [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessagesFrom:to:do: (in category 'scanning') ----- + abstractBytecodeMessagesFrom: startpc to: endpc do: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes from startpc through endpc in the receiver" + | scanner | + scanner := InstructionStream new method: self pc: startpc. + [scanner pc <= endpc] whileTrue: + [[scanner interpretNextInstructionFor: nil] + on: MessageNotUnderstood + do: [:ex| aBlock value: ex message]] + + "| m msgs | + msgs := OrderedCollection new. + (m := CompiledMethod >> #abstractBytecodeMessagesFrom:to:) + abstractBytecodeMessagesFrom: m initialPC + to: m endPC + do: [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: MethodContext>>endPC (in category 'private') ----- + endPC + ^closureOrNil + ifNil: [self method endPC] + ifNotNil: [closureOrNil endPC]!
Item was added: + ----- Method: MethodContext>>numArgs (in category 'accessing') ----- + numArgs + "Answer the number of arguments for this activation." + ^closureOrNil + ifNil: [method numArgs] + ifNotNil: [closureOrNil numArgs]!
Item was added: + ----- Method: MethodContext>>numTemps (in category 'accessing') ----- + numTemps + "Answer the number of temporaries for this activation; this includes + the number of arguments, and for blocks, the number of copied values." + ^closureOrNil + ifNil: [method numTemps] + ifNotNil: [closureOrNil numTemps]!
Hi stef. Eliot send us (me and marcus) a private email about these changes and a suggestion for Fuel. Marcus has already integrates all of these new methods ;) On Wed, May 2, 2012 at 4:45 PM, Stéphane Ducasse <stephane.ducasse@inria.fr>wrote:
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*From: *pharo-project-owner@lists.gforge.inria.fr *Subject: **Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz* *Date: *April 30, 2012 6:48:24 PM GMT+02:00 *To: *stephane.ducasse@gmail.com
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*From: *stephane ducasse <stephane.ducasse@gmail.com> *Subject: **Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz* *Date: *April 30, 2012 6:46:40 PM GMT+02:00 *To: *Pharo Development <Pharo-project@lists.gforge.inria.fr>
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From: commits@source.squeak.org
Subject: [squeak-dev] The Trunk: Kernel-eem.684.mcz
Date: April 26, 2012 6:07:56 PM GMT+02:00
To: squeak-dev@lists.squeakfoundation.org, packages@lists.squeakfoundation.org
Reply-To: squeak-dev@lists.squeakfoundation.org
Eliot Miranda uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-eem.684.mcz
==================== Summary ====================
Name: Kernel-eem.684
Author: eem
Time: 26 April 2012, 11:07:37.737 am
UUID: e838a325-27ec-4a62-a907-d4059451a046
Ancestors: Kernel-nice.683
Implement endPC numArgs and numTemps for closures
and contexts (both block and method activations).
Provide CompiledMethod>abstractBytecodeMessagesDo:
et al.
Implement BlockClosure>isClean to identify self-contained blocks.
=============== Diff against Kernel-nice.683 ===============
Item was added:
+ ----- Method: BlockClosure>>abstractBytecodeMessagesDo: (in category 'scanning') -----
+ abstractBytecodeMessagesDo: aBlock
+ "Evaluate aBlock with the sequence of abstract bytecodes in the receiver."
+ self method
+ abstractBytecodeMessagesFrom: startpc
+ to: self endPC
+ do: aBlock
+
+ "| msgs |
+ msgs := OrderedCollection new.
+ (SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock
+ abstractBytecodeMessagesDo: [:msg| msgs add: msg selector].
+ msgs"!
Item was added:
+ ----- Method: BlockClosure>>blockCreationBytecodeMessage (in category 'scanning') -----
+ blockCreationBytecodeMessage
+ "Answer the abstract bytecode message that created the receiver."
+ | blockCreationBytecodeSize |
+ ^self method abstractBytecodeMessageAt: startpc - (blockCreationBytecodeSize := 4)
+
+ "(SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock blockCreationBytecodeMessage"!
Item was added:
+ ----- Method: BlockClosure>>endPC (in category 'accessing') -----
+ endPC
+ ^self blockCreationBytecodeMessage arguments last + startpc - 1!
Item was changed:
----- Method: BlockClosure>>hasMethodReturn (in category 'testing') -----
hasMethodReturn
"Answer whether the receiver has a method-return ('^') in its code."
+ | scanner endpc |
+ scanner := InstructionStream new method: outerContext method pc: startpc.
+ endpc := self endPC.
+ scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc
endpc]].
+ ^scanner pc <= endpc!
- | myMethod scanner preceedingBytecodeMessage end |
- "Determine end of block from the instruction preceding it.
- Find the instruction by using an MNU handler to capture
- the instruction message sent by the scanner."
- myMethod := outerContext method.
- scanner := InstructionStream new method: myMethod pc: myMethod initialPC.
- [scanner pc < startpc] whileTrue:
- [[scanner interpretNextInstructionFor: nil]
- on: MessageNotUnderstood
- do: [:ex| preceedingBytecodeMessage := ex message]].
- end := preceedingBytecodeMessage arguments last + startpc - 1.
- scanner method: myMethod pc: startpc.
- scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc
end]].
- ^scanner pc <= end!
Item was added:
+ ----- Method: BlockClosure>>isClean (in category 'testing') -----
+ isClean
+ "Answer if the receiver does not close-over any variables other than globals, and does
+ not ^-return (does not close over the home context). Clean blocks are amenable to
+ being created at compile-time."
+ self numCopiedValues > 0 ifTrue:
+ [^false].
+ self abstractBytecodeMessagesDo:
+ [:msg|
+ (#( pushReceiver
+ pushReceiverVariable: popIntoReceiverVariable: storeIntoReceiverVariable:
+ methodReturnConstant: methodReturnReceiver methodReturnTop)
+ includes: msg selector) ifTrue:
+ [^false]].
+ ^true
+
+ "clean:"
+ "[] isClean"
+ "[:a :b| a < b] isClean"
+ "unclean"
+ "[^nil] isClean"
+ "[self class] isClean"
+ "| v | v := 0.
+ [v class] isClean"!
Item was added:
+ ----- Method: BlockClosure>>numTemps (in category 'accessing') -----
+ numTemps
+ "Answer the number of temporaries for the receiver; this includes
+ the number of arguments and the number of copied values."
+ | blockCreationBytecodeSize |
+ ^self numCopiedValues
+ + self numArgs
+ + (BlockLocalTempCounter
+ tempCountForBlockAt: startpc - (blockCreationBytecodeSize := 4)
+ in: self method)!
Item was added:
+ ----- Method: CompiledMethod>>abstractBytecodeMessageAt: (in category 'scanning') -----
+ abstractBytecodeMessageAt: pc
+ "Answer the abstract bytecode message at pc in the receiver."
+ ^[(InstructionStream new method: self pc: pc) interpretNextInstructionFor: nil]
+ on: MessageNotUnderstood
+ do: [:ex| ex message]!
Item was added:
+ ----- Method: CompiledMethod>>abstractBytecodeMessagesDo: (in category 'scanning') -----
+ abstractBytecodeMessagesDo: aBlock
+ "Evaluate aBlock with the sequence of abstract bytecodes in the receiver"
+ self abstractBytecodeMessagesFrom: self initialPC
+ to: self endPC
+ do: aBlock
+
+ "| msgs |
+ msgs := OrderedCollection new.
+ CompiledMethod >> #abstractBytecodeMessagesFrom:to: abstractBytecodeMessagesDo:
+ [:msg| msgs add: msg selector].
+ msgs"!
Item was added:
+ ----- Method: CompiledMethod>>abstractBytecodeMessagesFrom:to:do: (in category 'scanning') -----
+ abstractBytecodeMessagesFrom: startpc to: endpc do: aBlock
+ "Evaluate aBlock with the sequence of abstract bytecodes from startpc through endpc in the receiver"
+ | scanner |
+ scanner := InstructionStream new method: self pc: startpc.
+ [scanner pc <= endpc] whileTrue:
+ [[scanner interpretNextInstructionFor: nil]
+ on: MessageNotUnderstood
+ do: [:ex| aBlock value: ex message]]
+
+ "| m msgs |
+ msgs := OrderedCollection new.
+ (m := CompiledMethod >> #abstractBytecodeMessagesFrom:to:)
+ abstractBytecodeMessagesFrom: m initialPC
+ to: m endPC
+ do: [:msg| msgs add: msg selector].
+ msgs"!
Item was added:
+ ----- Method: MethodContext>>endPC (in category 'private') -----
+ endPC
+ ^closureOrNil
+ ifNil: [self method endPC]
+ ifNotNil: [closureOrNil endPC]!
Item was added:
+ ----- Method: MethodContext>>numArgs (in category 'accessing') -----
+ numArgs
+ "Answer the number of arguments for this activation."
+ ^closureOrNil
+ ifNil: [method numArgs]
+ ifNotNil: [closureOrNil numArgs]!
Item was added:
+ ----- Method: MethodContext>>numTemps (in category 'accessing') -----
+ numTemps
+ "Answer the number of temporaries for this activation; this includes
+ the number of arguments, and for blocks, the number of copied values."
+ ^closureOrNil
+ ifNil: [method numTemps]
+ ifNotNil: [closureOrNil numTemps]!
-- Mariano http://marianopeck.wordpress.com
I saw I'm just in a place without internet right now :) Stef On May 2, 2012, at 4:59 PM, Mariano Martinez Peck wrote:
Hi stef. Eliot send us (me and marcus) a private email about these changes and a suggestion for Fuel. Marcus has already integrates all of these new methods ;)
On Wed, May 2, 2012 at 4:45 PM, Stéphane Ducasse <stephane.ducasse@inria.fr> wrote:
Begin forwarded message:
From: pharo-project-owner@lists.gforge.inria.fr Subject: Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 30, 2012 6:48:24 PM GMT+02:00 To: stephane.ducasse@gmail.com
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From: stephane ducasse <stephane.ducasse@gmail.com> Subject: Fwd: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 30, 2012 6:46:40 PM GMT+02:00 To: Pharo Development <Pharo-project@lists.gforge.inria.fr>
Begin forwarded message:
From: commits@source.squeak.org Subject: [squeak-dev] The Trunk: Kernel-eem.684.mcz Date: April 26, 2012 6:07:56 PM GMT+02:00 To: squeak-dev@lists.squeakfoundation.org, packages@lists.squeakfoundation.org Reply-To: squeak-dev@lists.squeakfoundation.org
Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.684.mcz
==================== Summary ====================
Name: Kernel-eem.684 Author: eem Time: 26 April 2012, 11:07:37.737 am UUID: e838a325-27ec-4a62-a907-d4059451a046 Ancestors: Kernel-nice.683
Implement endPC numArgs and numTemps for closures and contexts (both block and method activations). Provide CompiledMethod>abstractBytecodeMessagesDo: et al. Implement BlockClosure>isClean to identify self-contained blocks.
=============== Diff against Kernel-nice.683 ===============
Item was added: + ----- Method: BlockClosure>>abstractBytecodeMessagesDo: (in category 'scanning') ----- + abstractBytecodeMessagesDo: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes in the receiver." + self method + abstractBytecodeMessagesFrom: startpc + to: self endPC + do: aBlock + + "| msgs | + msgs := OrderedCollection new. + (SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock + abstractBytecodeMessagesDo: [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: BlockClosure>>blockCreationBytecodeMessage (in category 'scanning') ----- + blockCreationBytecodeMessage + "Answer the abstract bytecode message that created the receiver." + | blockCreationBytecodeSize | + ^self method abstractBytecodeMessageAt: startpc - (blockCreationBytecodeSize := 4) + + "(SortedCollection sortBlock: [:a :b| a compare: b caseSensitive: false]) sortBlock blockCreationBytecodeMessage"!
Item was added: + ----- Method: BlockClosure>>endPC (in category 'accessing') ----- + endPC + ^self blockCreationBytecodeMessage arguments last + startpc - 1!
Item was changed: ----- Method: BlockClosure>>hasMethodReturn (in category 'testing') ----- hasMethodReturn "Answer whether the receiver has a method-return ('^') in its code." + | scanner endpc | + scanner := InstructionStream new method: outerContext method pc: startpc. + endpc := self endPC. + scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc > endpc]]. + ^scanner pc <= endpc! - | myMethod scanner preceedingBytecodeMessage end | - "Determine end of block from the instruction preceding it. - Find the instruction by using an MNU handler to capture - the instruction message sent by the scanner." - myMethod := outerContext method. - scanner := InstructionStream new method: myMethod pc: myMethod initialPC. - [scanner pc < startpc] whileTrue: - [[scanner interpretNextInstructionFor: nil] - on: MessageNotUnderstood - do: [:ex| preceedingBytecodeMessage := ex message]]. - end := preceedingBytecodeMessage arguments last + startpc - 1. - scanner method: myMethod pc: startpc. - scanner scanFor: [:byte | (byte between: 120 and: 124) or: [scanner pc > end]]. - ^scanner pc <= end!
Item was added: + ----- Method: BlockClosure>>isClean (in category 'testing') ----- + isClean + "Answer if the receiver does not close-over any variables other than globals, and does + not ^-return (does not close over the home context). Clean blocks are amenable to + being created at compile-time." + self numCopiedValues > 0 ifTrue: + [^false]. + self abstractBytecodeMessagesDo: + [:msg| + (#( pushReceiver + pushReceiverVariable: popIntoReceiverVariable: storeIntoReceiverVariable: + methodReturnConstant: methodReturnReceiver methodReturnTop) + includes: msg selector) ifTrue: + [^false]]. + ^true + + "clean:" + "[] isClean" + "[:a :b| a < b] isClean" + "unclean" + "[^nil] isClean" + "[self class] isClean" + "| v | v := 0. + [v class] isClean"!
Item was added: + ----- Method: BlockClosure>>numTemps (in category 'accessing') ----- + numTemps + "Answer the number of temporaries for the receiver; this includes + the number of arguments and the number of copied values." + | blockCreationBytecodeSize | + ^self numCopiedValues + + self numArgs + + (BlockLocalTempCounter + tempCountForBlockAt: startpc - (blockCreationBytecodeSize := 4) + in: self method)!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessageAt: (in category 'scanning') ----- + abstractBytecodeMessageAt: pc + "Answer the abstract bytecode message at pc in the receiver." + ^[(InstructionStream new method: self pc: pc) interpretNextInstructionFor: nil] + on: MessageNotUnderstood + do: [:ex| ex message]!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessagesDo: (in category 'scanning') ----- + abstractBytecodeMessagesDo: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes in the receiver" + self abstractBytecodeMessagesFrom: self initialPC + to: self endPC + do: aBlock + + "| msgs | + msgs := OrderedCollection new. + CompiledMethod >> #abstractBytecodeMessagesFrom:to: abstractBytecodeMessagesDo: + [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: CompiledMethod>>abstractBytecodeMessagesFrom:to:do: (in category 'scanning') ----- + abstractBytecodeMessagesFrom: startpc to: endpc do: aBlock + "Evaluate aBlock with the sequence of abstract bytecodes from startpc through endpc in the receiver" + | scanner | + scanner := InstructionStream new method: self pc: startpc. + [scanner pc <= endpc] whileTrue: + [[scanner interpretNextInstructionFor: nil] + on: MessageNotUnderstood + do: [:ex| aBlock value: ex message]] + + "| m msgs | + msgs := OrderedCollection new. + (m := CompiledMethod >> #abstractBytecodeMessagesFrom:to:) + abstractBytecodeMessagesFrom: m initialPC + to: m endPC + do: [:msg| msgs add: msg selector]. + msgs"!
Item was added: + ----- Method: MethodContext>>endPC (in category 'private') ----- + endPC + ^closureOrNil + ifNil: [self method endPC] + ifNotNil: [closureOrNil endPC]!
Item was added: + ----- Method: MethodContext>>numArgs (in category 'accessing') ----- + numArgs + "Answer the number of arguments for this activation." + ^closureOrNil + ifNil: [method numArgs] + ifNotNil: [closureOrNil numArgs]!
Item was added: + ----- Method: MethodContext>>numTemps (in category 'accessing') ----- + numTemps + "Answer the number of temporaries for this activation; this includes + the number of arguments, and for blocks, the number of copied values." + ^closureOrNil + ifNil: [method numTemps] + ifNotNil: [closureOrNil numTemps]!
-- Mariano http://marianopeck.wordpress.com
participants (2)
-
Mariano Martinez Peck -
Stéphane Ducasse