IRInterpreter.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 02 Dec 2008 09:43:42 +0000
changeset 7 0de2eaa86456
parent 6 49a61123c743
child 9 04518c7fb91c
permissions -rw-r--r--
IRBytecodeGenerator emits lineno instructions only when lineno differs from the last one

"{ 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
!

line: line

    "Created: / 02-12-2008 / 09:00:27 / Jan Vrany <vranyj1@fel.cvut.cz>"
!

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
    ^'$Id$'
! !