2005-06-23 04:59:00 +00:00
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stx(1) xpkit
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NAME
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stx - xpkit embeddable smalltalk system
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SYNOPSIS
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stx [-f imageFile] MainClass
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DESCRIPTION
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The virtual machine executes "MainClass main" on start-up.
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method 1.
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push lookup_class(#MainClass) -> receiver.
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send a unary(no argument) message with the selector #main.
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return the returned value from main and exits.
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method 2. - take a command parameter
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push lookup_class(#MainClass) -> receiver.
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push argc as an argument.
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push argv as an argument.
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send a double-argument message the the selector #main:withArgv:.
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return the returned value from #main:withArgv and exits.
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AUTHOR(S)
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Chung, Hyung-Hwan (bacon@piowave.com) is the sole designer and implementer of stx.
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BUG REPORTS
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Report bugs to bacon@piowave.com if you find any bugs. but make sure that it is really a bug before you report it.
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COPYRIGHT
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Copyright(c) 2005 bacon@piowave.com
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SEE ALSO
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xpkit(7)
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-------------------
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2005-06-23 04:55:44 +00:00
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/*
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&unsupportedByte, //--- 00
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&bytePushInstance, //--- 01
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&bytePushArgument, //--- 02
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&bytePushTemporary, //--- 03
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&bytePushLiteral, //--- 04
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&bytePushConstant, //--- 05
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&byteAssignInstance, //--- 06
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&byteAssignTemporary, //--- 07
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&byteMarkArguments, //--- 08
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&byteSendMessage, //--- 09
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&byteSendUnary, //--- 10
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&byteSendBinary, //--- 11
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&unsupportedByte, //--- 12
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&byteDoPrimitive, //--- 13
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&unsupportedByte, //--- 14
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&byteDoSpecial //--- 15
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* Directly access by byte codes
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> the receiver and arguments of the invoking message
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> the values of the receiver's instance variables
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> the values of any temporary variables required by the method
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> seven special constants (true, false, nil, -1, 0, 1, and 2)
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> 32 special message selectors
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* contained in literal frame.
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> shared variables (global, class, and pool)
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> most literal constants (numbers, characters, strings, arrays, and symbols)
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> most message selectors (those that are not special)
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PushInstance
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PushArgument -> normal arguments plus self/super(0)
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PushTemporary
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PushConstant -> nil, true, false, etc....
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PushLiteral -> global variables, literal constants... -> access literal frame
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AssignInstance
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AssignTemporary
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*/
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