Add m-esr52 at 52.6.0

1 files changed, 89 insertions, 0 deletions

diff --git a/js/src/wasm/AsmJS.h b/js/src/wasm/AsmJS.h
new file mode 100644
index 000000000..1395966d2
--- /dev/null
+++ b/js/src/wasm/AsmJS.h
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ *
+ * Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef asmjs_asmjs_h
+#define asmjs_asmjs_h
+
+#include "NamespaceImports.h"
+
+namespace js {
+
+class ExclusiveContext;
+namespace frontend {
+    template <typename ParseHandler> class Parser;
+    class ParseContext;
+    class FullParseHandler;
+    class ParseNode;
+}
+typedef frontend::Parser<frontend::FullParseHandler> AsmJSParser;
+
+// This function takes over parsing of a function starting with "use asm". The
+// return value indicates whether an error was reported which the caller should
+// propagate. If no error was reported, the function may still fail to validate
+// as asm.js. In this case, the parser.tokenStream has been advanced an
+// indeterminate amount and the entire function should be reparsed from the
+// beginning.
+
+extern MOZ_MUST_USE bool
+CompileAsmJS(ExclusiveContext* cx, AsmJSParser& parser, frontend::ParseNode* stmtList,
+             bool* validated);
+
+// asm.js module/export queries:
+
+extern bool
+IsAsmJSModuleNative(JSNative native);
+
+extern bool
+IsAsmJSModule(JSFunction* fun);
+
+extern bool
+IsAsmJSFunction(JSFunction* fun);
+
+extern bool
+IsAsmJSStrictModeModuleOrFunction(JSFunction* fun);
+
+// asm.js testing natives:
+
+extern bool
+IsAsmJSCompilationAvailable(JSContext* cx, unsigned argc, JS::Value* vp);
+
+extern bool
+IsAsmJSModule(JSContext* cx, unsigned argc, JS::Value* vp);
+
+extern bool
+IsAsmJSModuleLoadedFromCache(JSContext* cx, unsigned argc, Value* vp);
+
+extern bool
+IsAsmJSFunction(JSContext* cx, unsigned argc, JS::Value* vp);
+
+// asm.js toString/toSource support:
+
+extern JSString*
+AsmJSFunctionToString(JSContext* cx, HandleFunction fun);
+
+extern JSString*
+AsmJSModuleToString(JSContext* cx, HandleFunction fun, bool addParenToLambda);
+
+// asm.js heap:
+
+extern bool
+IsValidAsmJSHeapLength(uint32_t length);
+
+} // namespace js
+
+#endif // asmjs_asmjs_h