IRInterpreter.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 02 Dec 2008 08:14:54 +0000
changeset 6 49a61123c743
parent 5 b94aea1d3710
child 9 04518c7fb91c
permissions -rw-r--r--
A new IRLine pseudoinstruction added to include debugging info into the bytecode. See IRBuilderTests for examples.

"{ 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
    ^'$Id$'
! !