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VMSimpleStackBasedCogitBytecodeTest.class.st
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VMSimpleStackBasedCogitBytecodeTest.class.st
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Class {
#name : #VMSimpleStackBasedCogitBytecodeTest,
#superclass : #VMSimpleStackBasedCogitAbstractTest,
#category : #'VMMakerTests-JitTests'
}
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> doPopIntoReceiverVariableBytecodeStoresVariableAt: instanceVariableToWrite [
"Create an object with at least `instanceVariableToWrite` instance variables.
In memory, instance variables are 0-indexed so substract 1"
obj := self newObjectWithSlots: instanceVariableToWrite.
"The receiver should be in a receiver register based on Cog's calling convention"
machineSimulator receiverRegisterValue: obj.
"The object is filled with nils.
Push false into the stack and execute the store and pop bytecode."
self pushAddress: memory falseObject.
"The first byte of the push receiver instance variable bytecode family is used to identify which variable (0-based again)"
cogit byte0: instanceVariableToWrite - 1.
self compile: [
cogit genStoreAndPopReceiverVariableBytecode ].
self runGeneratedCode.
]
{ #category : #'tests - single bytecode - return' }
VMSimpleStackBasedCogitBytecodeTest >> doTestReturnCleansStackWithFrame: isFrameful onBlock: generationBlock [
| oldFP oldSP |
"After the execution of the return the stack should be in the same state than before sending the message"
oldFP := self framePointerRegisterValue.
oldSP := self stackPointerRegisterValue.
isFrameful
ifTrue: [self createFramefulCallFrom: callerAddress]
ifFalse: [self createFramelessCallFrom: callerAddress].
self compile: generationBlock.
self runUntilReturn.
self assert: oldFP equals: self framePointerRegisterValue.
self assert: oldSP equals: self stackPointerRegisterValue.
]
{ #category : #'tests - single bytecode - return' }
VMSimpleStackBasedCogitBytecodeTest >> doTestReturnReturnsObjectInReturnRegister: anAddress withFrame: isFrameful onBlock: compilationBlock [
isFrameful
ifTrue: [self createFramefulCallFrom: callerAddress]
ifFalse: [self createFramelessCallFrom: callerAddress].
self compile: compilationBlock.
self runUntilReturn.
self assert: machineSimulator receiverRegisterValue equals: anAddress
]
{ #category : #'tests - single bytecode - return' }
VMSimpleStackBasedCogitBytecodeTest >> doTestReturnReturnsToCallerWithFrame: isFrameful onBlock: compilationBlock [
isFrameful
ifTrue: [self createFramefulCallFrom: callerAddress]
ifFalse: [self createFramelessCallFrom: callerAddress].
self compile: compilationBlock.
self runUntilReturn.
]
{ #category : #'tests - extended store bytecode - store inst var' }
VMSimpleStackBasedCogitBytecodeTest >> setUp [
super setUp.
self setUpTrampolines
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable1 [
self testExtendedPushPushesInstanceVariable: 1
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable2 [
self testExtendedPushPushesInstanceVariable: 2
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable3 [
self testExtendedPushPushesInstanceVariable: 3
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable32 [
self testExtendedPushPushesInstanceVariable: 32
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable64 [
self testExtendedPushPushesInstanceVariable: 64
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesInstanceVariable: instanceVariableToWrite [
self testExtendedPushPushesVariableType: 0 "Instance variable type" index: instanceVariableToWrite
]
{ #category : #'tests - extended push bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testExtendedPushPushesVariableType: type index: instanceVariableToWrite [
"Type = 0 is instance variable"
"Type = 1 is temp variable"
"Type = 2 is literal object"
"Type = 3 is literal variable (~association)"
"Create an object with at least `instanceVariableToWrite` instance variables.
In memory, instance variables are 0-indexed so substract 1"
obj := self newObjectWithSlots: instanceVariableToWrite.
memory storePointer: instanceVariableToWrite - 1 ofObject: obj withValue: memory falseObject.
"The receiver should be in a receiver register based on Cog's calling convention"
machineSimulator receiverRegisterValue: obj.
"The first byte of the push receiver instance variable bytecode family is used to identify which variable (0-based again)"
cogit byte1: type << 6 + instanceVariableToWrite - 1.
self compile: [cogit extendedPushBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory falseObject
]
{ #category : #'tests - jumps' }
VMSimpleStackBasedCogitBytecodeTest >> testJumpForwardJumpsOverAnInstruction [
| firstBytecode |
cogit methodObj: (methodBuilder newMethod
bytecodes: #[ 144 122 121 ];
buildMethod).
firstBytecode := memory wordSize.
self
compile: [
| fixup nextOpcodeIndex |
cogit byte0: 144.
cogit bytecodePC: firstBytecode. "The method has a header so, the first bytecode is in offset 8"
cogit genShortUnconditionalJump.
cogit byte0: 122.
cogit bytecodePC: firstBytecode + 1.
cogit genReturnFalse.
cogit byte0: 121.
cogit bytecodePC: firstBytecode + 2.
"We need to store the value to know if the bytecode has generated instructions"
nextOpcodeIndex := cogit getOpcodeIndex.
cogit genReturnTrue.
"As the bytecode is the target of a jump it has a fixup. We need to process it"
fixup := cogit fixupAt: firstBytecode + 2.
cogit
patchFixupTargetIfNeeded: fixup
nextOpcodeIndex: nextOpcodeIndex ]
bytecodes: 3.
self runUntilReturn.
self
assert: machineSimulator receiverRegisterValue
equals: memory trueObject
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto3rdTempPopsValue [
self testPopIntoTempPopsValueAt: 3
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto3rdTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 3
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto4thTempPopsValue [
self testPopIntoTempPopsValueAt: 4
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto4thTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 4
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto5thTempPopsValue [
self testPopIntoTempPopsValueAt: 5
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto5thTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 5
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto6thTempPopsValue [
self testPopIntoTempPopsValueAt: 6
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto6thTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 6
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto7thTempPopsValue [
self testPopIntoTempPopsValueAt: 7
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopInto7thTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 7
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoEighthReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 8 ]
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoFifthReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 5 ]
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoFirstReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 1 ]
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoFirstTempPopsValue [
self testPopIntoTempPopsValueAt: 1
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoFirstTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 1
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoFourthReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 4 ]
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresEigthInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 8
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresFifthInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 5
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresFirstInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 1
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresFourthInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 4
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresSecondInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 2
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresSeventhInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 7
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresSixthInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 6
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresThirdInstanceVariable [
self testPopIntoReceiverVariableBytecodeStoresVariableAt: 3
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoReceiverVariableBytecodeStoresVariableAt: instanceVariableToWrite [
self doPopIntoReceiverVariableBytecodeStoresVariableAt: instanceVariableToWrite.
"After execution false should be popped from the stack and false should be stored in the object's variable (0-based)."
self assert: (memory fetchPointer: instanceVariableToWrite - 1 ofObject: obj) equals: memory falseObject
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoSecondReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 2 ]
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoSecondTempPopsValue [
self testPopIntoTempPopsValueAt: 2
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoSecondTempUpdatesTemporaryWithFalse [
self testPopIntoTempUpdatesVariableAt: 2
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoSeventhReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 7 ]
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoSixthReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 6 ]
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoTempPopsValueAt: tempVariableUnderTest [
| temporaries |
temporaries := (1 to: tempVariableUnderTest)
collect: [ :anIndex | memory nilObject].
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: #()
temporaries: temporaries.
"The bytecode of the push temporary variable is used to identify the index (from 0 to 7) and it starts from 104 to 111"
cogit byte0: tempVariableUnderTest - 1 + 104.
self compile: [ cogit genStoreAndPopTemporaryVariableBytecode ].
"I push two values, so I can test that the false is pop out"
self pushAddress: memory trueObject.
self pushAddress: memory falseObject.
self runGeneratedCode.
self assert: self popAddress equals: memory trueObject
]
{ #category : #'tests - single bytecode - pop into temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoTempUpdatesVariableAt: tempVariableUnderTest [
| temporaries |
temporaries := (1 to: tempVariableUnderTest)
collect: [ :anIndex | memory nilObject].
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: #()
temporaries: temporaries.
"The bytecode of the push temporary variable is used to identify the index (from 0 to 7) and it starts from 104 to 111"
cogit byte0: tempVariableUnderTest - 1 + 104.
self compile: [ cogit genStoreAndPopTemporaryVariableBytecode ].
self pushAddress: memory falseObject.
self runGeneratedCode.
self assert: (self readTemporaryValueAt: tempVariableUnderTest) equals: memory falseObject
]
{ #category : #'tests - single bytecode - pop into inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPopIntoThirdReceiverVariableBytecodePopsValue [
"The block pushed and then pops.
The stack should remain unchanged after the execution"
self assertStackRemainsUnchangedDuring: [ self doPopIntoReceiverVariableBytecodeStoresVariableAt: 3 ]
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush10thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 10
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush10thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 10
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush11thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 11
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush11thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 11
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush12thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 12
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush12thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 12
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush13thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 13
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush13thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 13
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush14thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 14
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush14thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 14
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush15thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 15
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush15thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 15
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush3rdTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 3
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush4thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 4
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush4thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 4
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush5thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 5
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush5thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 5
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush6thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 6
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush6thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 6
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush7thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 7
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush7thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 7
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush8thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 8
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush8thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 8
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPush9thTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 9
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPush9thTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 9
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushConstantFalseBytecodePushesFalse [
self compile: [ cogit genPushConstantFalseBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory falseObject
]
{ #category : #'tests - two bytecodes' }
VMSimpleStackBasedCogitBytecodeTest >> testPushConstantNilAndThenReturn [
self compile: [
cogit genPushConstantNilBytecode.
cogit genReturnTopFromMethod ] bytecodes: 2.
self runUntilReturn.
self assert: machineSimulator receiverRegisterValue equals: memory nilObject
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushConstantNilBytecodePushesNil [
self compile: [ cogit genPushConstantNilBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory nilObject
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushConstantTrueBytecodePushesTrue [
self compile: [ cogit genPushConstantTrueBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory trueObject
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushConstantZeroBytecodePushesASmallIntegerZero [
self compile: [ cogit genPushConstantZeroBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: (memory integerObjectOf: 0)
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPushFirstTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 1
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPushFirstTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 1
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushQuickIntegerMinusOnePushesAMinusOne [
cogit byte0: 116.
self compile: [ cogit genPushQuickIntegerConstantBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: (memory integerObjectOf: -1)
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushQuickIntegerOnePushesOne [
cogit byte0: 118.
self compile: [ cogit genPushQuickIntegerConstantBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: (memory integerObjectOf: 1)
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushQuickIntegerTwoPushesTwo [
cogit byte0: 119.
self compile: [ cogit genPushQuickIntegerConstantBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: (memory integerObjectOf: 2)
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushQuickIntegerZeroPushesAZero [
cogit byte0: 117.
self compile: [ cogit genPushQuickIntegerConstantBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: (memory integerObjectOf: 0)
]
{ #category : #'tests - single bytecode' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverBytecodePushesTheReceiver [
machineSimulator receiverRegisterValue: 75.
self compile: [ cogit genPushReceiverBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: 75
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesEighthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 8
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesEleventhVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 11
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesFifteenthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 15
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesFifthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 5
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesFirstVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 1
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesFourteenthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 14
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesFourthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 4
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesNinthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 9
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesSecondVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 2
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesSeventhVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 7
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesSixteenthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 16
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesSixthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 6
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesTenthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 10
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesThirdVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 3
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesThirteenthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 13
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesTwelfthVariable [
self testPushReceiverVariableBytecodeZeroPushesVariableAt: 12
]
{ #category : #'tests - single bytecode - push inst var' }
VMSimpleStackBasedCogitBytecodeTest >> testPushReceiverVariableBytecodeZeroPushesVariableAt: instanceVariableToWrite [
"Create an object with at least `instanceVariableToWrite` instance variables.
In memory, instance variables are 0-indexed so substract 1"
obj := self newObjectWithSlots: instanceVariableToWrite.
memory storePointer: instanceVariableToWrite - 1 ofObject: obj withValue: memory falseObject.
"The receiver should be in a receiver register based on Cog's calling convention"
machineSimulator receiverRegisterValue: obj.
"The first byte of the push receiver instance variable bytecode family is used to identify which variable (0-based again)"
cogit byte0: instanceVariableToWrite - 1.
self compile: [ cogit genPushReceiverVariableBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory falseObject
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPushSecondTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 2
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPushSecondTempVariableWithArgumentsPushesArgument [
self testPushTempVariablePushesArgumentAt: 2
]
{ #category : #'tests - single bytecode - push temp - arg' }
VMSimpleStackBasedCogitBytecodeTest >> testPushTempVariablePushesArgumentAt: tempVariableUnderTest [
| arguments |
arguments := (1 to: tempVariableUnderTest) collect: [ :anIndex |
anIndex = tempVariableUnderTest ifTrue: [ memory falseObject ] ifFalse: [memory nilObject]].
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: arguments
temporaries: #().
"The bytecode of the push temporary variable is used to identify the index (from 0 to 15) and it starts from 16 to 31"
cogit byte0: tempVariableUnderTest - 1 + 16.
self compile: [ cogit genPushTemporaryVariableBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory falseObject
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPushTempVariablePushesVariableAt: tempVariableUnderTest [
| temporaries |
temporaries := (1 to: tempVariableUnderTest) collect: [ :anIndex |
anIndex = tempVariableUnderTest ifTrue: [ memory falseObject ] ifFalse: [memory nilObject]].
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: #()
temporaries: temporaries.
self assert: (self readMemoryAt: machineSimulator smalltalkStackPointerRegisterValue) equals: memory falseObject.
"The bytecode of the push temporary variable is used to identify the index (from 0 to 15) and it starts from 16 to 31"
cogit byte0: tempVariableUnderTest - 1 + 16.
self compile: [ cogit genPushTemporaryVariableBytecode ].
self runGeneratedCode.
self assert: self popAddress equals: memory falseObject
]
{ #category : #'tests - single bytecode - push temp' }
VMSimpleStackBasedCogitBytecodeTest >> testPushThirdTempVariablePushesVariable [
self testPushTempVariablePushesVariableAt: 3
]
{ #category : #'tests - thisContext' }
VMSimpleStackBasedCogitBytecodeTest >> testPushThisContextForFullBlockWithFullFrameCallsLargeFullBlockTrampoline [
| numberOfArguments methodObject method |
cogit ceLargeActiveContextInFullBlockTrampoline:
(self compile: [ cogit RetN: 0 ]).
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: {
memory falseObject.
memory trueObject.
memory falseObject }
temporaries: #( ).
numberOfArguments := 3.
methodObject := methodBuilder newMethod
isSmall: false;
numberOfArguments: numberOfArguments;
buildMethod.
method := self compile: [
cogit inBlock: InFullBlock.
cogit methodOrBlockNumArgs: numberOfArguments.
cogit methodObj: methodObject.
cogit genPushActiveContextBytecode ].
self
runFrom: method
until: cogit ceLargeActiveContextInFullBlockTrampoline.
self
assert: machineSimulator instructionPointerRegisterValue
equals: cogit ceLargeActiveContextInFullBlockTrampoline.
self
assert: machineSimulator sendNumberOfArgumentsRegisterValue
equals: numberOfArguments
]
{ #category : #'tests - thisContext' }
VMSimpleStackBasedCogitBytecodeTest >> testPushThisContextForFullBlockWithSmallFrameCallsLargeFullBlockTrampoline [
| numberOfArguments methodObject method |
cogit ceSmallActiveContextInFullBlockTrampoline:
(self compile: [ cogit RetN: 0 ]).
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: {
memory falseObject.
memory trueObject.
memory falseObject }
temporaries: #( ).
numberOfArguments := 3.
methodObject := methodBuilder newMethod
isSmall: true;
numberOfArguments: numberOfArguments;
buildMethod.
method := self compile: [
cogit inBlock: InFullBlock.
cogit methodOrBlockNumArgs: numberOfArguments.
cogit methodObj: methodObject.
cogit genPushActiveContextBytecode ].
self
runFrom: method
until: cogit ceSmallActiveContextInFullBlockTrampoline.
self
assert: machineSimulator instructionPointerRegisterValue
equals: cogit ceSmallActiveContextInFullBlockTrampoline.
self
assert: machineSimulator sendNumberOfArgumentsRegisterValue
equals: numberOfArguments
]
{ #category : #'tests - thisContext' }
VMSimpleStackBasedCogitBytecodeTest >> testPushThisContextForMethodWithLargeFrameCallsLargeMethodTrampoline [
| numberOfArguments methodObject method |
cogit ceLargeActiveContextInMethodTrampoline:
(self compile: [ cogit RetN: 0 ]).
self
createFramefulCallFrom: callerAddress
receiver: memory nilObject
arguments: {
memory falseObject.
memory trueObject.
memory falseObject }
temporaries: #( ).
numberOfArguments := 3.
methodObject := methodBuilder newMethod
isSmall: false;
numberOfArguments: numberOfArguments;
buildMethod.
method := self compile: [
cogit methodOrBlockNumArgs: numberOfArguments.
cogit methodObj: methodObject.
cogit genPushActiveContextBytecode ].
self
runFrom: method
until: cogit ceLargeActiveContextInMethodTrampoline.
self
assert: machineSimulator instructionPointerRegisterValue
equals: cogit ceLargeActiveContextInMethodTrampoline.
self
assert: machineSimulator sendNumberOfArgumentsRegisterValue
equals: numberOfArguments
]
{ #category : #'tests - thisContext' }
VMSimpleStackBasedCogitBytecodeTest >> testPushThisContextForMethodWithSmallFrameCallsSmallMethodTrampoline [
| numberOfArguments methodObject method |
cogit ceSmallActiveContextInMethodTrampoline: