js/src/vm/ErrorObject-inl.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   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 vm_ErrorObject_inl_h
   8 #define vm_ErrorObject_inl_h
   9
  10 #include "vm/ErrorObject.h"
  11
  12 #include "js/ColumnNumber.h"  // JS::ColumnNumberOneOrigin
  13
  14 #include "vm/JSAtomState.h"
  15 #include "vm/JSContext.h"
  16
  17 inline JSString* js::ErrorObject::fileName(JSContext* cx) const {
  18   Value val = getReservedSlot(FILENAME_SLOT);
  19   return val.isString() ? val.toString() : cx->names().empty_;
  20 }
  21
  22 inline uint32_t js::ErrorObject::sourceId() const {
  23   Value val = getReservedSlot(SOURCEID_SLOT);
  24   return val.isInt32() ? val.toInt32() : 0;
  25 }
  26
  27 inline uint32_t js::ErrorObject::lineNumber() const {
  28   Value val = getReservedSlot(LINENUMBER_SLOT);
  29   return val.isInt32() ? val.toInt32() : 0;
  30 }
  31
  32 inline JS::ColumnNumberOneOrigin js::ErrorObject::columnNumber() const {
  33   Value val = getReservedSlot(COLUMNNUMBER_SLOT);
  34   // If Error object's `columnNumber` property is modified from JS code,
  35   // COLUMNNUMBER_SLOT slot can contain non-int32 value.
  36   // Use column number 1 as fallback value for such case.
  37   return val.isInt32() ? JS::ColumnNumberOneOrigin(val.toInt32())
  38                        : JS::ColumnNumberOneOrigin();
  39 }
  40
  41 inline JSObject* js::ErrorObject::stack() const {
  42   return getReservedSlot(STACK_SLOT).toObjectOrNull();
  43 }
  44
  45 #endif /* vm_ErrorObject_inl_h */