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translator: optimize and simplify val expression evaluating

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This commit is contained in:
Alexey Stepanov
2016-08-23 13:08:48 +03:00
parent 0db96443fc
commit c0674a6695
1 changed files with 12 additions and 39 deletions
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translator/src/main/kotlin/org/kotlinnative/translator/BlockCodegen.kt
+12 -39
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@@ -1048,55 +1048,28 @@ abstract class BlockCodegen(val state: TranslationState, val variableManager: Va
}
private fun evaluateValExpression(element: KtProperty, scopeDepth: Int): LLVMVariable? {
val variable = state.bindingContext.get(BindingContext.VARIABLE, element)!!
val identifier = variable.name.toString()
val assignExpression = evaluateExpression(element.delegateExpressionOrInitializer, scopeDepth)
val expectedExpressionType = LLVMInstanceOfStandardType("", variable.type, state = state)
val assignExpressionType = assignExpression?.type
val primitivePointer = LLVMMapStandardType(variable.type, state) !is LLVMReferred
when (assignExpression) {
null,
is LLVMVariable -> {
val allocVar = variableManager.receiveVariable(identifier, expectedExpressionType.type, LLVMRegisterScope(), pointer =
expectedExpressionType.pointer)
codeBuilder.allocStackVar(allocVar)
allocVar.pointer++
allocVar.kotlinName = identifier
variableManager.addVariable(identifier, allocVar, scopeDepth)
if (assignExpression != null) {
if ((primitivePointer) && (assignExpression.type is LLVMReferenceType)) {
throw UnexpectedException(element.text)
}
addPrimitiveBinaryOperation(KtTokens.EQ, null, allocVar, assignExpression)
}
}
is LLVMConstant -> {
if (assignExpressionType!! is LLVMNullType) {
val reference = LLVMInstanceOfStandardType(identifier, variable.type, state = state)
if (state.classes.containsKey(variable.type.toString().dropLast(1))) {
(reference.type as LLVMReferenceType).prefix = "class"
}
codeBuilder.allocStaticVar(reference)
reference.pointer++
codeBuilder.storeNull(reference)
variableManager.addVariable(identifier, reference, scopeDepth)
return null
}
val newVar = variableManager.receiveVariable(identifier, assignExpressionType, LLVMRegisterScope(), pointer = 1)
codeBuilder.addConstant(newVar, assignExpression)
variableManager.addVariable(identifier, newVar, scopeDepth)
}
else -> {
throw UnsupportedOperationException()
val allocVar = variableManager.receiveVariable(identifier, expectedExpressionType.type, LLVMRegisterScope(), pointer =
expectedExpressionType.pointer)
codeBuilder.allocStackVar(allocVar)
allocVar.pointer++
allocVar.kotlinName = identifier
variableManager.addVariable(identifier, allocVar, scopeDepth)
if (assignExpression != null) {
if ((primitivePointer) && (assignExpression.type is LLVMReferenceType)) {
throw UnexpectedException(element.text)
}
addPrimitiveBinaryOperation(KtTokens.EQ, null, allocVar, assignExpression)
}
return null
}