--- /dev/null
+package org.simantics.scl.compiler.constants;
+
+import org.cojen.classfile.TypeDesc;
+import org.simantics.scl.compiler.internal.codegen.references.Val;
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;
+import org.simantics.scl.compiler.types.TVar;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+import org.simantics.scl.compiler.types.kinds.Kinds;
+
+public class FailFunction extends FunctionValue {
+
+ private static final TVar A = Types.var(Kinds.STAR);
+ public static final FailFunction INSTANCE =
+ new FailFunction();
+
+ private FailFunction() {
+ super(new TVar[] {A}, Types.NO_EFFECTS, A, Types.STRING);
+ }
+
+ private static final TypeDesc RuntimeException =
+ TypeDesc.forClass(RuntimeException.class);
+
+ @Override
+ public Type applyExact(MethodBuilder mb, Val[] parameters) {
+ mb.newObject(RuntimeException);
+ mb.dup();
+ mb.push(parameters, parameterTypes);
+ mb.invokeConstructor(RuntimeException,
+ new TypeDesc[] {TypeDesc.STRING});
+ mb.throwObject();
+ return getReturnType();
+ }
+
+ @Override
+ public String toString() {
+ return "fail";
+ }
+}