[Vm-dev] VM Maker: ImageFormat-dtl.22.mcz

commits at source.squeak.org commits at source.squeak.org
Wed Apr 12 23:52:30 UTC 2017


David T. Lewis uploaded a new version of ImageFormat to project VM Maker:
http://source.squeak.org/VMMaker/ImageFormat-dtl.22.mcz

==================== Summary ====================

Name: ImageFormat-dtl.22
Author: dtl
Time: 12 April 2017, 7:52:22.953 pm
UUID: 4abaa676-0204-4ac8-94a9-4ebe43a73949
Ancestors: ImageFormat-dtl.21

K K Subbu updates for magic file generation (vm-dev list)

=============== Diff against ImageFormat-dtl.21 ===============

Item was changed:
  ----- Method: ImageFormat class>>unixMagicFileEntries (in category 'unix magic file entries') -----
  unixMagicFileEntries
  	"Answer a string that can be appended to /etc/magic on a Unix system to support the file(1) utility"
  
  	"ImageFormat unixMagicFileEntries"
  
  	" | fs |
  	fs := FileStream newFileNamed: 'magic'.
  	[ fs nextPutAll: ImageFormat unixMagicFileEntries ]
  		ensure: [ fs close ] "
  
  	^String streamContents: [:s |
  		s nextPutAll: '# Smalltalk image file formats'; lf.
  		KnownVersionNumbers do: [ :num | | fmt |
  			#( 'le' 'be' ) do: [ :endian |
  				fmt := self fromInteger: num.
  				(fmt is64Bit and: [ endian = 'be' ])
  					ifTrue: [ s nextPut: $4 ]
  					ifFalse: [ s nextPut: $0 ].
  				s tab;
  				nextPutAll: endian;
  				nextPutAll: 'long';
  				tab;
  				nextPutAll: num asString;
  				tab;
  				nextPutAll: 'Smalltalk '.
  				fmt printTerseDescriptionOn: s.
+ 				s lf.
+ 				s nextPutAll: '!!:mime application/'.
+ 				fmt requiresSpurSupport
+ 					ifTrue: [ s nextPutAll: 'spur']
+ 					ifFalse: [fmt requiresClosureSupport ifTrue: [ s nextPutAll: 'cog']
+ 								ifFalse: [s nextPutAll: 'squeak']].
+ 				fmt is64Bit ifTrue: [ s nextPutAll: '64'].
+ 				s nextPutAll: '-image'.
  				s lf
  			]
  		].
  		s lf.
  	]!

Item was changed:
  ----- Method: ImageFormat>>printTerseDescriptionOn: (in category 'printing') -----
  printTerseDescriptionOn: stream
  	"Shortened description as may be required for unix magic file entries"
  
  	stream 
  		nextPutAll: 'image ';
  		nextPutAll: (self requiresSpurSupport
  			ifTrue: [ 'Spur ' ]
  			ifFalse: [ 'V3 ' ]);
  		nextPutAll: (wordSize * 8) asString;
+ 		nextPutAll: 'b '.
+ 	self requiresClosureSupport ifTrue: [stream nextPutAll: '+C'].
+ 	self requiresNativeFloatWordOrder ifTrue: [stream nextPutAll: '+NF'].
+ 	self requiresNewSpur64TagAssignment ifTrue: [stream nextPutAll: '+Tag' ].
+ 	stream nextPutAll: ' (%d)'.
- 		nextPutAll: '-bit '.
- 	self requiresClosureSupport ifFalse: [stream nextPutAll: 'no '].
- 	stream nextPutAll: 'closure '.
- 	self requiresNativeFloatWordOrder
- 		ifTrue: [stream nextPutAll: 'native float']
- 		ifFalse: [stream nextPutAll: 'no native float'].
- 	stream nextPutAll: ' (';
- 		nextPutAll: self asInteger asString;
- 		nextPut: $).
  	^ stream
  !



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