prog8/compilerAst/test/helpers/Dummies.kt
2021-10-30 00:05:55 +02:00

45 lines
1.4 KiB
Kotlin

package prog8tests.ast.helpers
import prog8.ast.IBuiltinFunctions
import prog8.ast.base.DataType
import prog8.ast.base.Position
import prog8.ast.expressions.Expression
import prog8.ast.expressions.InferredTypes
import prog8.ast.expressions.NumericLiteralValue
import prog8.compilerinterface.IMemSizer
import prog8.compilerinterface.IStringEncoding
internal val DummyFunctions = object : IBuiltinFunctions {
override val names: Set<String> = emptySet()
override val purefunctionNames: Set<String> = emptySet()
override fun constValue(
name: String,
args: List<Expression>,
position: Position,
): NumericLiteralValue? = null
override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
}
internal val DummyMemsizer = object : IMemSizer {
override fun memorySize(dt: DataType): Int = 0
}
internal val DummyStringEncoder = object : IStringEncoding {
override fun encodeString(str: String, altEncoding: Boolean): List<Short> {
return emptyList()
}
override fun decodeString(bytes: List<Short>, altEncoding: Boolean): String {
return ""
}
}
internal val AsciiStringEncoder = object : IStringEncoding {
override fun encodeString(str: String, altEncoding: Boolean): List<Short> = str.map { it.code.toShort() }
override fun decodeString(bytes: List<Short>, altEncoding: Boolean): String {
return bytes.joinToString()
}
}