prog8/compiler/test/helpers/Dummies.kt

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2.1 KiB
Kotlin
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package prog8tests.helpers
import prog8.ast.IBuiltinFunctions
import prog8.ast.expressions.Expression
import prog8.ast.expressions.InferredTypes
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import prog8.ast.expressions.NumericLiteral
import prog8.code.core.*
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internal object DummyFunctions : IBuiltinFunctions {
override val names: Set<String> = emptySet()
override val purefunctionNames: Set<String> = emptySet()
override fun constValue(
funcName: String,
args: List<Expression>,
position: Position,
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): NumericLiteral? = null
override fun returnType(funcName: String) = InferredTypes.InferredType.unknown()
}
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internal object DummyMemsizer : IMemSizer {
override fun memorySize(dt: DataType) = 0
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override fun memorySize(arrayDt: DataType, numElements: Int) = 0
}
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internal object DummyStringEncoder : IStringEncoding {
override fun encodeString(str: String, encoding: Encoding): List<UByte> {
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return emptyList()
}
override fun decodeString(bytes: List<UByte>, encoding: Encoding): String {
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return ""
}
}
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internal object AsciiStringEncoder : IStringEncoding {
override fun encodeString(str: String, encoding: Encoding): List<UByte> = str.map { it.code.toUByte() }
override fun decodeString(bytes: List<UByte>, encoding: Encoding): String {
return bytes.joinToString()
}
}
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internal object DummyCompilationTarget : ICompilationTarget {
override val name: String = "dummy"
override val machine: IMachineDefinition
get() = throw NotImplementedError("dummy")
override val supportedEncodings = setOf(Encoding.PETSCII, Encoding.SCREENCODES, Encoding.ISO)
override val defaultEncoding = Encoding.PETSCII
override fun encodeString(str: String, encoding: Encoding): List<UByte> {
throw NotImplementedError("dummy")
}
override fun decodeString(bytes: List<UByte>, encoding: Encoding): String {
throw NotImplementedError("dummy")
}
override fun memorySize(dt: DataType): Int {
throw NotImplementedError("dummy")
}
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override fun memorySize(arrayDt: DataType, numElements: Int): Int {
throw NotImplementedError("dummy")
}
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}