"{ Package: 'stx:goodies/newcompiler' }"

Object subclass:#IRInterpreter
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'NewCompiler-IR'
!

IRInterpreter comment:'I visit each IRInstruction in an IRMethod in order.  Each instruction sends its instruction message to me upon being visited.  See my ''instructions'' method category for complete list of instructions.  Subclasses should override them.'
!


!IRInterpreter methodsFor:'instructions'!

blockReturnTop
!

goto: seqNum
!

if: bool goto: seqNum1 otherwise: seqNum2
!

jumpOverBlock: blockSeq to: dest
!

label: seqNum
!

popTop
!

pushBlock: irMethod
!

pushBlockMethod: irMethod
!

pushDup
!

pushInstVar: aSmallInteger 
!

pushLiteral: object
!

pushLiteralVariable: object
!

pushTemp: index
!

remoteReturn
!

returnTop
!

send: selector numArgs: numArgs

    "Created: / 01-12-2008 / 19:40:01 / Jan Vrany <vranyj1@fel.cvut.cz>"
!

send: selector numArgs: numArgs toSuperOf: behavior

    "Modified: / 01-12-2008 / 19:45:19 / Jan Vrany <vranyj1@fel.cvut.cz>"
!

storeLiteralVariable: index
!

storeTemp: index
! !

!IRInterpreter methodsFor:'interpret'!

interpret: ir

	self interpretAll: ir allSequences
!

interpretAll: irSequences

	irSequences do: [:seq | self interpretSequence: seq]
!

interpretInstruction: irInstruction

	irInstruction executeOn: self
!

interpretSequence: instructionSequence

	self label: instructionSequence orderNumber.
	instructionSequence do: [:instr | self interpretInstruction: instr].
! !

!IRInterpreter class methodsFor:'documentation'!

version
    ^'$Id$'
! !