diff -r 000000000000 -r 6474c204b198 js/src/frontend/BytecodeCompiler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/frontend/BytecodeCompiler.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef frontend_BytecodeCompiler_h
+#define frontend_BytecodeCompiler_h
+
+#include "NamespaceImports.h"
+
+class JSLinearString;
+
+namespace js {
+
+class AutoNameVector;
+class LazyScript;
+class LifoAlloc;
+struct SourceCompressionTask;
+
+namespace frontend {
+
+JSScript *
+CompileScript(ExclusiveContext *cx, LifoAlloc *alloc,
+              HandleObject scopeChain, HandleScript evalCaller,
+              const ReadOnlyCompileOptions &options, SourceBufferHolder &srcBuf,
+              JSString *source_ = nullptr, unsigned staticLevel = 0,
+              SourceCompressionTask *extraSct = nullptr);
+
+bool
+CompileLazyFunction(JSContext *cx, Handle<LazyScript*> lazy, const jschar *chars, size_t length);
+
+bool
+CompileFunctionBody(JSContext *cx, MutableHandleFunction fun,
+                    const ReadOnlyCompileOptions &options,
+                    const AutoNameVector &formals, JS::SourceBufferHolder &srcBuf);
+bool
+CompileStarGeneratorBody(JSContext *cx, MutableHandleFunction fun,
+                         const ReadOnlyCompileOptions &options,
+                         const AutoNameVector &formals, JS::SourceBufferHolder &srcBuf);
+
+ScriptSourceObject *
+CreateScriptSourceObject(ExclusiveContext *cx, const ReadOnlyCompileOptions &options);
+
+/*
+ * This should be called while still on the main thread if compilation will
+ * occur on a worker thread.
+ */
+void
+MaybeCallSourceHandler(JSContext *cx, const ReadOnlyCompileOptions &options,
+                       JS::SourceBufferHolder &srcBuf);
+
+/*
+ * True if str consists of an IdentifierStart character, followed by one or
+ * more IdentifierPart characters, i.e. it matches the IdentifierName production
+ * in the language spec.
+ *
+ * This returns true even if str is a keyword like "if".
+ *
+ * Defined in TokenStream.cpp.
+ */
+bool
+IsIdentifier(JSLinearString *str);
+
+/* True if str is a keyword. Defined in TokenStream.cpp. */
+bool
+IsKeyword(JSLinearString *str);
+
+/* GC marking. Defined in Parser.cpp. */
+void
+MarkParser(JSTracer *trc, AutoGCRooter *parser);
+
+} /* namespace frontend */
+} /* namespace js */
+
+#endif /* frontend_BytecodeCompiler_h */