Bug 1860887 - Enable JSON.parse with source when configured r=jandem

Differential Revision: https://phabricator.services.mozilla.com/D198319
dothq · Feb 2, 2024 · f92f334 · f92f334
1 parent e6f387a
commit f92f334
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Showing 2 changed files with 27 additions and 0 deletions.
diff --git a/js/moz.configure b/js/moz.configure
@@ -173,6 +173,24 @@ def enable_decorators(value):
 set_config("ENABLE_DECORATORS", enable_decorators)
 set_define("ENABLE_DECORATORS", enable_decorators)
 
+# Enable JSON.parse with source
+# ===================================================
+option(
+    "--enable-json-parse-with-source",
+    default=moz_debug,
+    help="Enable experimental JS JSON.parse with source support",
+)
+
+
+@depends("--enable-json-parse-with-source", moz_debug)
+def enable_json_parse_with_source(value, moz_debug):
+    if value or moz_debug:
+        return True
+
+
+set_config("ENABLE_JSON_PARSE_WITH_SOURCE", enable_json_parse_with_source)
+set_define("ENABLE_JSON_PARSE_WITH_SOURCE", enable_json_parse_with_source)
+
 
 # Portable Baseline Intepreter
 # =======================================================

diff --git a/js/src/builtin/TestingFunctions.cpp b/js/src/builtin/TestingFunctions.cpp
@@ -619,6 +619,15 @@ static bool GetBuildConfiguration(JSContext* cx, unsigned argc, Value* vp) {
     return false;
   }
 
+#ifdef ENABLE_JSON_PARSE_WITH_SOURCE
+  value = BooleanValue(true);
+#else
+  value = BooleanValue(false);
+#endif
+  if (!JS_SetProperty(cx, info, "json-parse-with-source", value)) {
+    return false;
+  }
+
 #ifdef FUZZING
   value = BooleanValue(true);
 #else