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comparison: js/src/frontend/FoldConstants.h
js/src/frontend/FoldConstants.h
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| -1:000000000000 | 0:8128e84448ce |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef frontend_FoldConstants_h | |
| 8 #define frontend_FoldConstants_h | |
| 9 | |
| 10 #include "frontend/SyntaxParseHandler.h" | |
| 11 | |
| 12 namespace js { | |
| 13 namespace frontend { | |
| 14 | |
| 15 // Perform constant folding on the given AST. For example, the program | |
| 16 // `print(2 + 2)` would become `print(4)`. | |
| 17 // | |
| 18 // pnp is the address of a pointer variable that points to the root node of the | |
| 19 // AST. On success, *pnp points to the root node of the new tree, which may be | |
| 20 // the same node (unchanged or modified in place) or a new node. | |
| 21 // | |
| 22 // Usage: | |
| 23 // pn = parser->statement(); | |
| 24 // if (!pn) | |
| 25 // return false; | |
| 26 // if (!FoldConstants(cx, &pn, parser)) | |
| 27 // return false; | |
| 28 bool | |
| 29 FoldConstants(ExclusiveContext *cx, ParseNode **pnp, Parser<FullParseHandler> *parser); | |
| 30 | |
| 31 inline bool | |
| 32 FoldConstants(ExclusiveContext *cx, SyntaxParseHandler::Node *pnp, | |
| 33 Parser<SyntaxParseHandler> *parser) | |
| 34 { | |
| 35 return true; | |
| 36 } | |
| 37 | |
| 38 } /* namespace frontend */ | |
| 39 } /* namespace js */ | |
| 40 | |
| 41 #endif /* frontend_FoldConstants_h */ |
