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RFASTTranslatorForEffect.class.st
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RFASTTranslatorForEffect.class.st
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"
WORKAROUND: copy of OCASTTranslatorForEffect
Will be removed when the new Translor design is in place
"
Class {
#name : #RFASTTranslatorForEffect,
#superclass : #RFASTTranslator,
#category : #'Reflectivity-Compiler'
}
{ #category : #'inline messages' }
RFASTTranslatorForEffect >> emitAnd: aMessageNode [
super emitAnd: aMessageNode.
methodBuilder popTop.
]
{ #category : #'inline messages' }
RFASTTranslatorForEffect >> emitIfFalse: aMessageNode [
valueTranslator visitNode: aMessageNode receiver.
methodBuilder jumpAheadTo: #else if: true.
self visitInlinedBlockNode: aMessageNode arguments first.
methodBuilder jumpAheadTarget: #else.
]
{ #category : #'inline messages' }
RFASTTranslatorForEffect >> emitIfNotNil: aMessageNode [
| args |
valueTranslator visitNode: aMessageNode receiver.
args := aMessageNode arguments.
args first arguments ifNotEmpty: [ args first arguments first binding emitStore: methodBuilder ].
methodBuilder pushLiteral: nil.
methodBuilder send: #==.
methodBuilder jumpAheadTo: #end if: true.
self visitInlinedBlockNode: args first.
methodBuilder jumpAheadTarget: #end.
]
{ #category : #'inline messages' }
RFASTTranslatorForEffect >> emitIfTrue: aMessageNode [
valueTranslator visitNode: aMessageNode receiver.
methodBuilder jumpAheadTo: #else if: false.
self visitInlinedBlockNode: aMessageNode arguments first.
methodBuilder jumpAheadTarget: #else.
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> emitMessageNode: aMessageNode [
super emitMessageNode: aMessageNode.
methodBuilder popTop.
]
{ #category : #'inline messages' }
RFASTTranslatorForEffect >> emitOr: aMessageNode [
super emitOr: aMessageNode.
methodBuilder popTop.
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitArrayNode: anArrayNode [
"An arrayNode may have side effect, for example: '{self foo}'. So we cannot just generate nothing for this node."
super visitArrayNode: anArrayNode.
methodBuilder popTop.
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitAssignmentNode: anAssignmentNode [
super visitAssignmentNode: anAssignmentNode .
methodBuilder popTop.
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitBlockNode: aBlockNode [
"even though the code is never executed, we generate it to make sure that we
can map bytecode and access temps"
super visitBlockNode: aBlockNode.
methodBuilder popTop
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitLiteralArrayNode: aLiteralNode [
"when visiting a literal array for effect, we could push it and then pop it, but we do nothing"
methodBuilder addLiteral: aLiteralNode value
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitLiteralNode: aLiteralNode [
"when visiting a literal for effect, we could push it and then pop it, but we do nothing"
methodBuilder addLiteral: aLiteralNode value
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitParseErrorNode: anErrorNode [
super visitParseErrorNode: anErrorNode.
methodBuilder popTop.
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitSequenceNode: aSequenceNode [
self emitPreamble: aSequenceNode.
self emitMetaLinkBefore: aSequenceNode.
self emitPrepareLinkAfter: aSequenceNode.
aSequenceNode hasMetalinkInstead
ifTrue: [ self emitMetaLinkInstead: aSequenceNode ]
ifFalse: [ aSequenceNode statements do: [:each | self visitNode: each]. ].
self emitMetaLinkAfter: aSequenceNode.
(aSequenceNode hasMetalinkAfter or: [ aSequenceNode hasMetalinkInstead ]) ifTrue: [aSequenceNode parent isMethod
ifTrue: [methodBuilder returnTop]
ifFalse: [methodBuilder popTop]]
]
{ #category : #'visitor-double dispatching' }
RFASTTranslatorForEffect >> visitVariableNode: aVariableNode [
| binding |
self emitPreamble: aVariableNode.
self emitMetaLinkBefore: aVariableNode.
aVariableNode hasMetalinkInstead
ifTrue: [ self emitMetaLinkInstead: aVariableNode ].
"when visiting a variable for effect, we could push it and then pop it, but we do nothing"
binding := aVariableNode binding.
(binding isLiteralVariable or: [ binding isUndeclared ])
ifTrue: [ methodBuilder addLiteral: binding variable ].
self emitMetaLinkAfterNoEnsure: aVariableNode.
]