Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / constants / UnsafeCoerce.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/UnsafeCoerce.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/UnsafeCoerce.java
new file mode 100644 (file)
index 0000000..0ac69c1
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/constants/UnsafeCoerce.java
@@ -0,0 +1,24 @@
+package org.simantics.scl.compiler.constants;\r
+\r
+import org.simantics.scl.compiler.internal.codegen.references.Val;\r
+import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilder;\r
+import org.simantics.scl.compiler.types.TVar;\r
+import org.simantics.scl.compiler.types.Type;\r
+import org.simantics.scl.compiler.types.Types;\r
+import org.simantics.scl.compiler.types.kinds.Kinds;\r
+\r
+public class UnsafeCoerce extends FunctionValue {    \r
+    private static TVar A = Types.var(Kinds.STAR);\r
+    private static TVar B = Types.var(Kinds.STAR);\r
+    public static final UnsafeCoerce INSTANCE = new UnsafeCoerce();\r
+    \r
+    private UnsafeCoerce() {\r
+        super(new TVar[] {A, B}, Types.NO_EFFECTS, B, A);\r
+    }\r
+    \r
+    @Override\r
+    public Type applyExact(MethodBuilder mb, Val[] parameters) {\r
+        mb.pushBoxed(parameters[0]);\r
+        return getReturnType();\r
+    }\r
+}\r