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6.136 SystemDictionary
- Defined in namespace Smalltalk
- Category: Language-Implementation
- I am a special namespace. I only have one instance, called "Smalltalk",
which is known to the Smalltalk interpreter. I define
several methods that are "system" related, such as #quitPrimitive.
My instance also helps keep track of dependencies between objects.
6.136.1 SystemDictionary: basic
- halt
- Interrupt interpreter
- hash
- Smalltalk usually contains a reference to itself, avoid infinite loops
6.136.2 SystemDictionary: builtins
- byteCodeCounter
- Answer the number of bytecodes executed by the VM
- compact
- Force a full garbage collection. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- debug
- for GDB. Set breakpoint in debug() and invoke this primitive near where you want to stop
- declarationTrace
- Answer whether compiled bytecodes are printed on stdout
- declarationTrace: aBoolean
- Set whether compiled bytecodes are printed on stdout
- executionTrace
- Answer whether executed bytecodes are printed on stdout
- executionTrace: aBoolean
- Set whether executed bytecodes are printed on stdout
- gcMessage
- Answer whether messages indicating that garbage collection is taking place are printed on stdout
- gcMessage: aBoolean
- Set whether messages indicating that garbage collection is taking place are printed on stdout
- getTraceFlag: anIndex
- Private - Returns a boolean value which is one of the interpreter's tracing flags
- growThresholdPercent
- Answer the percentage of the amount of memory used by the system grows which has to be full for the system to allocate more memory. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- growThresholdPercent: growPercent
- Set the percentage of the amount of memory used by the system grows which has to be full for the system to allocate more memory. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- growTo: numBytes
- Grow the amount of memory used by the system grows to numBytes. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- monitor: aBoolean
- Start or stop profiling the VM's execution (if GNU Smalltalk was compiled with support for monitor(2), of course).
- printStatistics
- Print statistics about what the VM did since #resetStatistics was last called. Meaningful only if gst was made with `make profile' or `make profile_vm'. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- quitPrimitive
- Quit the Smalltalk environment. Whether files are closed and other similar cleanup occurs depends on the platform. Sending this method to Smalltalk is deprecated; send #quit to ObjectMemory instead.
- quitPrimitive: exitStatus
- Quit the Smalltalk environment, passing the exitStatus integer to the OS. Whether files are closed and other similar cleanup occurs depends on the platform. Sending this method to Smalltalk is deprecated; send #quit to ObjectMemory instead.
- resetStatistics
- Reset the statistics about the VM which #printStatistics can print. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- setTraceFlag: anIndex to: aBoolean
- Private - Sets the value of one of the interpreter's tracing flags (indicated by 'anIndex') to the value aBoolean.
- snapshot: aString
- Save an image on the aString file. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- spaceGrowRate
- Answer the rate with which the amount of memory used by the system grows. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- spaceGrowRate: rate
- Set the rate with which the amount of memory used by the system grows. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
- verboseTrace
- Answer whether execution tracing prints the object on the stack top
- verboseTrace: aBoolean
- Set whether execution tracing prints the object on the stack top
6.136.3 SystemDictionary: C functions
- getArgc
- C call-out to getArgc. Do not modify!
- getArgv: index
- C call-out to getArgv. Do not modify!
- getenv: aString
- C call-out to getenv. Do not modify!
- putenv: aString
- C call-out to putenv. Do not modify!
- system: aString
- C call-out to system. Do not modify!
6.136.4 SystemDictionary: initialization
- addInit: aBlock
- Adds 'aBlock' to the array of blocks to be invoked after every start of the system. This mechanism is deprecated and will disappear in a future version; register your class as a dependent of ObjectMemory instead.
- doInits
- Called after the system has loaded the image, this will invoke any init blocks that have been installed. This mechanism is deprecated; register your class as a dependent of ObjectMemory instead.
6.136.5 SystemDictionary: miscellaneous
- arguments
- Return the command line arguments after the -a switch
- backtrace
- Print a backtrace on the Transcript.
- snapshot
- Save a snapshot on the image file that was loaded on startup. Sending this method to Smalltalk is deprecated; send it to ObjectMemory instead.
6.136.6 SystemDictionary: printing
- defaultName
- Answer `'Smalltalk".
- name
- Answer the receiver's name
- nameIn: aNamespace
- Answer `'Smalltalk".
- storeOn: aStream
- Store Smalltalk code compiling to the receiver
6.136.7 SystemDictionary: special accessing
- addFeature: aFeature
- Add the aFeature feature to the Features set
- dependenciesAt: anObject
- Answer the dependants of anObject (or nil if there's no key for anObject in the Dependencies IdentityDictionary)
- hasFeatures: features
- Returns true if the feature or features in 'features' is one of the implementation dependent features present
- removeFeature: aFeature
- Remove the aFeature feature to the Features set
- version
- Answer the current version of the GNU Smalltalk environment
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