VM Maker: VMMaker.oscog-eem.2789.mcz

 
Eliot Miranda uploaded a new version of VMMaker to project VM Maker:
http://source.squeak.org/VMMaker/VMMaker.oscog-eem.2789.mcz

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

Name: VMMaker.oscog-eem.2789
Author: eem
Time: 14 August 2020, 2:36:34.720705 pm
UUID: 62e4213d-c35b-4aa0-8d16-49d19f53b989
Ancestors: VMMaker.oscog-eem.2788

Provide the InterpreterPlugin>>stackStringValue: convenience.
Simplify and ake simulateable the SecurityPlugin using methodReturnString:

=============== Diff against VMMaker.oscog-eem.2788 ===============

Item was added:
+ ----- Method: InterpreterPlugin>>stackStringValue: (in category 'API access') -----
+ stackStringValue: index
+ "Convenience to answer a given argument as a C string.
+ Fails if the argument is not a string or there is no memory."
+ <returnTypeC: #'char *'>
+ | obj sz dstPtr |
+ <var: 'dstPtr' type: #'char *'>
+ obj := interpreterProxy stackValue: index.
+ (interpreterProxy isBytes: obj) ifFalse:
+ [interpreterProxy primitiveFailFor: PrimErrBadArgument.
+ ^nil].
+ sz := interpreterProxy byteSizeOf: obj.
+ dstPtr := self malloc: sz+1.
+ dstPtr ifNil:
+ [interpreterProxy primitiveFailFor: PrimErrNoCMemory.
+ ^nil].
+ self memcpy: dstPtr _: (interpreterProxy firstIndexableField: obj) _: sz.
+ dstPtr at: sz put: 0.
+ ^dstPtr!

Item was added:
+ ----- Method: SecurityPlugin>>ioCanWriteImage (in category 'simulation') -----
+ ioCanWriteImage
+ <doNotGenerate>
+ ^true!

Item was added:
+ ----- Method: SecurityPlugin>>ioDisableImageWrite (in category 'simulation') -----
+ ioDisableImageWrite
+ <doNotGenerate>!

Item was added:
+ ----- Method: SecurityPlugin>>ioGetSecureUserDirectory (in category 'simulation') -----
+ ioGetSecureUserDirectory
+ <doNotGenerate>
+ ^SecurityManager default primSecureUserDirectory!

Item was added:
+ ----- Method: SecurityPlugin>>ioGetUntrustedUserDirectory (in category 'simulation') -----
+ ioGetUntrustedUserDirectory
+ <doNotGenerate>
+ ^SecurityManager default primUntrustedUserDirectory!

Item was changed:
  ----- Method: SecurityPlugin>>primitiveCanWriteImage (in category 'primitives') -----
  primitiveCanWriteImage
  <export: true>
+ interpreterProxy methodReturnBool: self ioCanWriteImage!
- interpreterProxy pop: 1.
- interpreterProxy pushBool: (self cCode:'ioCanWriteImage()' inSmalltalk:[true])!

Item was changed:
  ----- Method: SecurityPlugin>>primitiveDisableImageWrite (in category 'primitives') -----
  primitiveDisableImageWrite
  <export: true>
+ self ioDisableImageWrite!
- self cCode: 'ioDisableImageWrite()'!

Item was changed:
  ----- Method: SecurityPlugin>>primitiveGetSecureUserDirectory (in category 'primitives') -----
  primitiveGetSecureUserDirectory
  "Primitive. Return the secure directory for the current user."
+ | dirName |
- | dirName dirLen dirOop dirPtr |
  <export: true>
+ <var: #dirName type: #'char *'>
+ dirName := self ioGetSecureUserDirectory.
+ interpreterProxy failed ifFalse:
+ [interpreterProxy methodReturnString: dirName]!
- <var: #dirName type: 'char *'>
- <var: #dirPtr type: 'char *'>
- dirName := self cCode: 'ioGetSecureUserDirectory()' inSmalltalk: [nil].
- (dirName == nil or:[interpreterProxy failed])
- ifTrue:[^interpreterProxy primitiveFail].
- dirLen := self strlen: dirName.
- dirOop := interpreterProxy instantiateClass: interpreterProxy classString indexableSize: dirLen.
- interpreterProxy failed ifTrue:[^nil].
- dirPtr := interpreterProxy firstIndexableField: dirOop.
- 0 to: dirLen-1 do:[:i|
- dirPtr at: i put: (dirName at: i)].
- interpreterProxy pop: 1 thenPush: dirOop.!

Item was changed:
  ----- Method: SecurityPlugin>>primitiveGetUntrustedUserDirectory (in category 'primitives') -----
  primitiveGetUntrustedUserDirectory
  "Primitive. Return the untrusted user directory name."
+ | dirName |
- | dirName dirLen dirOop dirPtr |
  <export: true>
+ <var: #dirName type: #'char *'>
+ dirName := self ioGetUntrustedUserDirectory.
+ interpreterProxy failed ifFalse:
+ [interpreterProxy methodReturnString: dirName]!
- <var: #dirName type: 'char *'>
- <var: #dirPtr type: 'char *'>
- dirName := self cCode:'ioGetUntrustedUserDirectory()' inSmalltalk:[nil].
- (dirName == nil or:[interpreterProxy failed])
- ifTrue:[^interpreterProxy primitiveFail].
- dirLen := self strlen: dirName.
- dirOop := interpreterProxy instantiateClass: interpreterProxy classString indexableSize: dirLen.
- interpreterProxy failed ifTrue:[^nil].
- dirPtr := interpreterProxy firstIndexableField: dirOop.
- 0 to: dirLen-1 do:[:i|
- dirPtr at: i put: (dirName at: i)].
- interpreterProxy pop: 1 thenPush: dirOop.!