/* -*- 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_FoldConstants_h #define frontend_FoldConstants_h #include "frontend/SyntaxParseHandler.h" namespace js { namespace frontend { // Perform constant folding on the given AST. For example, the program // `print(2 + 2)` would become `print(4)`. // // pnp is the address of a pointer variable that points to the root node of the // AST. On success, *pnp points to the root node of the new tree, which may be // the same node (unchanged or modified in place) or a new node. // // Usage: // pn = parser->statement(); // if (!pn) // return false; // if (!FoldConstants(cx, &pn, parser)) // return false; MOZ_MUST_USE bool FoldConstants(ExclusiveContext* cx, ParseNode** pnp, Parser<FullParseHandler>* parser); inline MOZ_MUST_USE bool FoldConstants(ExclusiveContext* cx, SyntaxParseHandler::Node* pnp, Parser<SyntaxParseHandler>* parser) { return true; } } /* namespace frontend */ } /* namespace js */ #endif /* frontend_FoldConstants_h */