vbscript: Added interp_imp implementation.

dlls/vbscript/interp.c

@@ -662,8 +662,26 @@ static HRESULT interp_eqv(exec_ctx_t *ctx)
 
 static HRESULT interp_imp(exec_ctx_t *ctx)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    variant_val_t r, l;
+    VARIANT v;
+    HRESULT hres;
+
+    TRACE("\n");
+
+    hres = stack_pop_val(ctx, &r);
+    if(FAILED(hres))
+        return hres;
+
+    hres = stack_pop_val(ctx, &l);
+    if(SUCCEEDED(hres)) {
+        hres = VarImp(l.v, r.v, &v);
+        release_val(&l);
+    }
+    release_val(&r);
+    if(FAILED(hres))
+        return hres;
+
+    return stack_push(ctx, &v);
 }
 
 static HRESULT cmp_oper(exec_ctx_t *ctx)

dlls/vbscript/tests/lang.vbs

@@ -106,6 +106,11 @@ call ok(false eqv false, "false does not equal false?")
 call ok(not (false eqv true), "false equals true?")
 call ok(getVT(false eqv null) = "VT_NULL", "getVT(false eqv null) = " & getVT(false eqv null))
 
+call ok(true imp true, "true does not imp true?")
+call ok(false imp false, "false does not imp false?")
+call ok(not (true imp false), "true imp false?")
+call ok(false imp null, "false imp null is false?")
+
 x = 3
 Call ok(2+2 = 4, "2+2 = " & (2+2))
 Call ok(false + 6 + true = 5, "false + 6 + true <> 5")