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Generate assignment to unions

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This commit is contained in:
Sasha Koshka 2024-03-06 13:09:03 -05:00
parent 9e6aebf518
commit 7154f5d333
1 changed files with 25 additions and 0 deletions
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25
generator/assignment.go
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@ -139,6 +139,31 @@ func (this *generator) generateAssignmentToDestination ( // TODO: add -Val suffi
return this.blockManager.NewLoad(irDestType, irDestLoc), nil
}
// conversion from any type to union
case *entity.TypeUnion:
irHashType := llvm.I64
// create destination union, if necessary
irDestType, err := this.generateType(destType)
if err != nil { return nil, err }
if !destinationSpecified {
irDestLoc = this.blockManager.newAllocaFront(irDestType)
}
destTypeFieldLoc := this.getUnionTypeFieldLoc(irDestLoc, irDestType)
destDataFieldLoc := this.getUnionDataFieldLoc(irDestLoc, irDestType)
// store type hash
hash := source.Type().Hash()
this.blockManager.NewStore (
llvm.NewConstInt(irHashType, int64(hash.Number())),
destTypeFieldLoc)
// store data
source, err := this.generateExpressionVal(source)
if err != nil { return nil, err }
this.blockManager.NewStore(source, destDataFieldLoc)
return this.blockManager.NewLoad(irDestType, irDestLoc), nil
// conversion from any type to pointer
case *entity.TypePointer:
// assignments