jscript: Added ',' expression implementation.

dlls/jscript/engine.c

@@ -1388,10 +1388,24 @@ HRESULT property_value_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWO
     return S_OK;
 }
 
-HRESULT comma_expression_eval(exec_ctx_t *ctx, expression_t *expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
+/* ECMA-262 3rd Edition    11.14 */
+HRESULT comma_expression_eval(exec_ctx_t *ctx, expression_t *_expr, DWORD flags, jsexcept_t *ei, exprval_t *ret)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    binary_expression_t *expr = (binary_expression_t*)_expr;
+    VARIANT lval, rval;
+    HRESULT hres;
+
+    TRACE("\n");
+
+    hres = get_binary_expr_values(ctx, expr, ei, &lval, &rval);
+    if(FAILED(hres))
+        return hres;
+
+    VariantClear(&lval);
+
+    ret->type = EXPRVAL_VARIANT;
+    ret->u.var = rval;
+    return S_OK;
 }
 
 /* ECMA-262 3rd Edition    11.11 */

dlls/jscript/tests/lang.js

@@ -301,6 +301,8 @@ tmp = 5;
 ok((tmp ^= 3) === 6, "tmp(5) ^= 3 !== 6");
 ok(getVT(tmp) === "VT_I4", "getVT(tmp ^= 3) = " + getVT(tmp));
 
+ok((3,4) === 4, "(3,4) !== 4");
+
 ok(1 < 3.4, "1 < 3.4 failed");
 ok(!(3.4 < 1), "3.4 < 1");
 ok("abc" < "abcd", "abc < abcd failed");