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Mercurial (b6d82b1a6b02)

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 * 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_ParseNodeVerify_h
#define frontend_ParseNodeVerify_h

#include "jsutil.h"                       // JS_CRASH_DIAGNOSTICS
#include "ds/LifoAlloc.h"                 // LifoAlloc
#include "frontend/ParseNode.h"           // ParseNode
#include "frontend/SyntaxParseHandler.h"  // SyntaxParseHandler::Node

namespace js {
namespace frontend {

// In most builds, examine the given ParseNode and crash if it's not
// well-formed. (In late beta and shipping builds of Firefox, this does
// nothing.)
//
// This returns true on success, and false only if we hit the recursion limit.
// If the ParseNode is actually bad, we crash.

#ifdef DEBUG
extern MOZ_MUST_USE bool CheckParseTree(JSContext* cx, const LifoAlloc& alloc,
                                        ParseNode* pn);
#else
inline MOZ_MUST_USE bool CheckParseTree(JSContext* cx, const LifoAlloc& alloc,
                                        ParseNode* pn) {
  return true;
}
#endif

inline MOZ_MUST_USE bool CheckParseTree(JSContext* cx, const LifoAlloc& alloc,
                                        SyntaxParseHandler::Node pn) {
  return true;
}

} /* namespace frontend */
} /* namespace js */

#endif  // frontend_ParseNodeVerify_h