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introduce ir nop to fix loop bugs

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This commit is contained in:
Alex Zenla
2025-07-24 22:30:18 -07:00
parent 837e0c1b38
commit 69230deefc
11 changed files with 65 additions and 12 deletions
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24
compiler/src/main/kotlin/gay/pizza/pork/compiler/AstIrEmitter.kt
View File

@ -20,10 +20,26 @@ class AstIrEmitter(
fun createFunctionArguments(functionDefinition: FunctionDefinition) {
val functionSymbols = mutableListOf<IrFunctionArgument>()
for (arg in functionDefinition.arguments) {
if (arg.typeSpec != null) {
validateTypeSpec(arg.typeSpec!!)
}
val symbol = createLocalVariable(arg.symbol)
functionSymbols.add(IrFunctionArgument(symbol))
}
functionArguments = functionSymbols
if (functionDefinition.returnType != null) {
validateTypeSpec(functionDefinition.returnType!!)
}
}
fun checkLetDefinition(letDefinition: LetDefinition) {
if (letDefinition.typeSpec != null) {
validateTypeSpec(letDefinition.typeSpec!!)
}
}
private fun validateTypeSpec(typeSpec: TypeSpec) {
lookup(typeSpec.symbol) ?: throw CompileError("Unresolved type: ${typeSpec.symbol.id}")
}
private fun startLoop(): IrSymbol {
@ -204,7 +220,7 @@ class AstIrEmitter(
IrConditional(
conditional = node.condition.visit(this),
ifTrue = node.thenBlock.visit(this),
ifFalse = node.elseBlock?.visit(this) ?: IrNoneConstant
ifFalse = node.elseBlock?.visit(this) ?: IrNop
)
override fun visitIndexedBy(node: IndexedBy): IrCodeElement = IrIndex(
@ -240,6 +256,9 @@ class AstIrEmitter(
IrIntegerConstant(node.value)
override fun visitLetAssignment(node: LetAssignment): IrCodeElement {
if (node.typeSpec != null) {
validateTypeSpec(node.typeSpec!!)
}
val symbol = createLocalVariable(node.symbol)
return IrDeclare(symbol, node.value.visit(this))
}
@ -295,6 +314,9 @@ class AstIrEmitter(
}
override fun visitVarAssignment(node: VarAssignment): IrCodeElement {
if (node.typeSpec != null) {
validateTypeSpec(node.typeSpec!!)
}
val local = createLocalVariable(node.symbol)
return IrDeclare(local, node.value.visit(this))
}

1
compiler/src/main/kotlin/gay/pizza/pork/compiler/CompilableSymbol.kt
View File

@ -52,6 +52,7 @@ class CompilableSymbol(val compilableSlab: CompilableSlab, val scopeSymbol: Scop
else -> {
val letDefinition = scopeSymbol.definition as LetDefinition
irCodeEmitter.checkLetDefinition(letDefinition)
letDefinition.value
}
}

2
compiler/src/main/kotlin/gay/pizza/pork/compiler/IrStubOpEmitter.kt
View File

@ -194,6 +194,8 @@ class IrStubOpEmitter(val irDefinition: IrDefinition, val code: CodeBuilder) : I
store(variable)
}
override fun visitIrNop(ir: IrNop) {}
override fun visitIrStore(ir: IrStore) {
visit(ir.value)
val variable = code.localState.createOrFindLocal(ir.target)