/js/src/frontend/ParseNode-inl.h
http://github.com/zpao/v8monkey · C Header · 205 lines · 151 code · 16 blank · 38 comment · 12 complexity · 6d8904363c0a40cdde4f3c5a8a6b017c MD5 · raw file
- /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sw=4 et tw=99:
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (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.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code, released
- * March 31, 1998.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998-2011
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef ParseNode_inl_h__
- #define ParseNode_inl_h__
- #include "frontend/ParseNode.h"
- #include "frontend/BytecodeEmitter.h"
- #include "frontend/TokenStream.h"
- namespace js {
- inline bool
- ParseNode::isConstant()
- {
- switch (pn_type) {
- case PNK_NUMBER:
- case PNK_STRING:
- case PNK_NULL:
- case PNK_FALSE:
- case PNK_TRUE:
- return true;
- case PNK_RB:
- case PNK_RC:
- return isOp(JSOP_NEWINIT) && !(pn_xflags & PNX_NONCONST);
- default:
- return false;
- }
- }
- #ifdef DEBUG
- inline void
- IndentNewLine(int indent)
- {
- fputc('\n', stderr);
- for (int i = 0; i < indent; ++i)
- fputc(' ', stderr);
- }
- inline void
- ParseNode::dump(int indent)
- {
- switch (pn_arity) {
- case PN_NULLARY:
- ((NullaryNode *) this)->dump();
- break;
- case PN_UNARY:
- ((UnaryNode *) this)->dump(indent);
- break;
- case PN_BINARY:
- ((BinaryNode *) this)->dump(indent);
- break;
- case PN_TERNARY:
- ((TernaryNode *) this)->dump(indent);
- break;
- case PN_FUNC:
- ((FunctionNode *) this)->dump(indent);
- break;
- case PN_LIST:
- ((ListNode *) this)->dump(indent);
- break;
- case PN_NAME:
- ((NameNode *) this)->dump(indent);
- break;
- default:
- fprintf(stderr, "?");
- break;
- }
- }
- inline void
- NullaryNode::dump()
- {
- fprintf(stderr, "(%s)", js_CodeName[getOp()]);
- }
- inline void
- UnaryNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- fprintf(stderr, "(%s ", name);
- indent += strlen(name) + 2;
- DumpParseTree(pn_kid, indent);
- fprintf(stderr, ")");
- }
- inline void
- BinaryNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- fprintf(stderr, "(%s ", name);
- indent += strlen(name) + 2;
- DumpParseTree(pn_left, indent);
- IndentNewLine(indent);
- DumpParseTree(pn_right, indent);
- fprintf(stderr, ")");
- }
- inline void
- TernaryNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- fprintf(stderr, "(%s ", name);
- indent += strlen(name) + 2;
- DumpParseTree(pn_kid1, indent);
- IndentNewLine(indent);
- DumpParseTree(pn_kid2, indent);
- IndentNewLine(indent);
- DumpParseTree(pn_kid3, indent);
- fprintf(stderr, ")");
- }
- inline void
- FunctionNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- fprintf(stderr, "(%s ", name);
- indent += strlen(name) + 2;
- DumpParseTree(pn_body, indent);
- fprintf(stderr, ")");
- }
- inline void
- ListNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- fprintf(stderr, "(%s ", name);
- if (pn_head != NULL) {
- indent += strlen(name) + 2;
- DumpParseTree(pn_head, indent);
- ParseNode *pn = pn_head->pn_next;
- while (pn != NULL) {
- IndentNewLine(indent);
- DumpParseTree(pn, indent);
- pn = pn->pn_next;
- }
- }
- fprintf(stderr, ")");
- }
- inline void
- NameNode::dump(int indent)
- {
- const char *name = js_CodeName[getOp()];
- if (isUsed())
- fprintf(stderr, "(%s)", name);
- else {
- fprintf(stderr, "(%s ", name);
- indent += strlen(name) + 2;
- DumpParseTree(expr(), indent);
- fprintf(stderr, ")");
- }
- }
- #endif
- inline void
- NameNode::initCommon(TreeContext *tc)
- {
- pn_expr = NULL;
- pn_cookie.makeFree();
- pn_dflags = (!tc->topStmt || tc->topStmt->type == STMT_BLOCK)
- ? PND_BLOCKCHILD
- : 0;
- pn_blockid = tc->blockid();
- }
- } /* namespace js */
- #endif /* ParseNode_inl_h__ */