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annotate runtime.c @ 62:2b5696b91b01

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Fixed a bug whereby some objects wouldn't be finalized when a runtime was destroyed.
author Atul Varma <varmaa@toolness.com>
date Sat, 25 Jul 2009 22:51:20 -0700
parents bc4263c6ae82
children 345d4c0e3dd3
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48
bc4263c6ae82 Added license blocks to all .c/.h files.
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1 /* ***** BEGIN LICENSE BLOCK *****
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2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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3 *
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4 * The contents of this file are subject to the Mozilla Public License Version
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5 * 1.1 (the "License"); you may not use this file except in compliance with
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6 * the License. You may obtain a copy of the License at
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7 * http://www.mozilla.org/MPL/
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8 *
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9 * Software distributed under the License is distributed on an "AS IS" basis,
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10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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11 * for the specific language governing rights and limitations under the
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12 * License.
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13 *
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14 * The Original Code is Pymonkey.
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15 *
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16 * The Initial Developer of the Original Code is Mozilla.
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17 * Portions created by the Initial Developer are Copyright (C) 2007
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18 * the Initial Developer. All Rights Reserved.
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19 *
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20 * Contributor(s):
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21 * Atul Varma <atul@mozilla.com>
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22 *
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23 * Alternatively, the contents of this file may be used under the terms of
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24 * either the GNU General Public License Version 2 or later (the "GPL"), or
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25 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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26 * in which case the provisions of the GPL or the LGPL are applicable instead
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27 * of those above. If you wish to allow use of your version of this file only
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28 * under the terms of either the GPL or the LGPL, and not to allow others to
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29 * use your version of this file under the terms of the MPL, indicate your
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30 * decision by deleting the provisions above and replace them with the notice
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31 * and other provisions required by the GPL or the LGPL. If you do not delete
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32 * the provisions above, a recipient may use your version of this file under
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33 * the terms of any one of the MPL, the GPL or the LGPL.
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34 *
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35 * ***** END LICENSE BLOCK ***** */
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36
11
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37 #include "runtime.h"
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38 #include "context.h"
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39 #include "utils.h"
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40
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41 static PyObject *
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42 PYM_JSRuntimeNew(PyTypeObject *type, PyObject *args,
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43 PyObject *kwds)
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44 {
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45 PYM_JSRuntimeObject *self;
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46
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47 self = (PYM_JSRuntimeObject *) type->tp_alloc(type, 0);
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48 if (self != NULL) {
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49 self->rt = NULL;
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50 self->cx = NULL;
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51 self->objects.ops = NULL;
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52
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53 if (!JS_DHashTableInit(&self->objects,
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54 JS_DHashGetStubOps(),
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55 NULL,
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56 sizeof(PYM_HashEntry),
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57 JS_DHASH_DEFAULT_CAPACITY(100))) {
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58 PyErr_SetString(PYM_error, "JS_DHashTableInit() failed");
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59 type->tp_dealloc((PyObject *) self);
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60 self = NULL;
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61 }
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62
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63 if (self != NULL) {
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64 self->rt = JS_NewRuntime(8L * 1024L * 1024L);
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65 if (!self->rt) {
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66 PyErr_SetString(PYM_error, "JS_NewRuntime() failed");
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67 type->tp_dealloc((PyObject *) self);
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68 self = NULL;
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69 } else {
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70 self->cx = JS_NewContext(self->rt, 8192);
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71 if (!self->cx) {
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72 PyErr_SetString(PYM_error, "JS_NewContext() failed");
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73 type->tp_dealloc((PyObject *) self);
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74 self = NULL;
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75 }
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76 }
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77 }
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78 }
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79
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80 return (PyObject *) self;
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81 }
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82
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83 static void
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84 PYM_JSRuntimeDealloc(PYM_JSRuntimeObject *self)
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85 {
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86 if (self->objects.ops) {
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87 JS_DHashTableFinish(&self->objects);
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88 self->objects.ops = NULL;
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89 }
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90
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91 if (self->cx) {
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92 // Note that this will also force GC of any remaining objects
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93 // in the runtime.
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94 JS_DestroyContext(self->cx);
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95 self->cx = NULL;
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96 }
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97
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98 if (self->rt) {
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99 JS_DestroyRuntime(self->rt);
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100 self->rt = NULL;
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101 }
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102
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103 self->ob_type->tp_free((PyObject *) self);
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104 }
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105
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106 static PyObject *
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107 PYM_newContext(PYM_JSRuntimeObject *self, PyObject *args)
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108 {
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109 JSContext *cx = JS_NewContext(self->rt, 8192);
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110 if (cx == NULL) {
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111 PyErr_SetString(PYM_error, "JS_NewContext() failed");
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112 return NULL;
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113 }
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114
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115 JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_DONT_REPORT_UNCAUGHT |
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116 JSOPTION_ATLINE | JSOPTION_STRICT);
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117 JS_SetVersion(cx, JSVERSION_LATEST);
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118
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119 PyObject *retval = (PyObject *) PYM_newJSContextObject(self, cx);
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120
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121 if (retval == NULL)
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122 JS_DestroyContext(cx);
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123
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124 return retval;
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125 }
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126
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127 static PyMethodDef PYM_JSRuntimeMethods[] = {
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128 {"new_context", (PyCFunction) PYM_newContext, METH_VARARGS,
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129 "Create a new JavaScript context."},
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130 {NULL, NULL, 0, NULL}
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131 };
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132
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133 PyTypeObject PYM_JSRuntimeType = {
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134 PyObject_HEAD_INIT(NULL)
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135 0, /*ob_size*/
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136 "pymonkey.Runtime", /*tp_name*/
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137 sizeof(PYM_JSRuntimeObject), /*tp_basicsize*/
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138 0, /*tp_itemsize*/
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139 /*tp_dealloc*/
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140 (destructor) PYM_JSRuntimeDealloc,
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141 0, /*tp_print*/
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142 0, /*tp_getattr*/
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143 0, /*tp_setattr*/
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144 0, /*tp_compare*/
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145 0, /*tp_repr*/
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146 0, /*tp_as_number*/
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147 0, /*tp_as_sequence*/
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148 0, /*tp_as_mapping*/
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149 0, /*tp_hash */
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150 0, /*tp_call*/
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151 0, /*tp_str*/
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152 0, /*tp_getattro*/
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153 0, /*tp_setattro*/
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154 0, /*tp_as_buffer*/
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155 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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156 /* tp_doc */
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157 "JavaScript Runtime.",
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158 0, /* tp_traverse */
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159 0, /* tp_clear */
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160 0, /* tp_richcompare */
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161 0, /* tp_weaklistoffset */
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162 0, /* tp_iter */
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163 0, /* tp_iternext */
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164 PYM_JSRuntimeMethods, /* tp_methods */
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165 0, /* tp_members */
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166 0, /* tp_getset */
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167 0, /* tp_base */
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168 0, /* tp_dict */
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169 0, /* tp_descr_get */
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170 0, /* tp_descr_set */
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171 0, /* tp_dictoffset */
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172 0, /* tp_init */
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173 0, /* tp_alloc */
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174 PYM_JSRuntimeNew, /* tp_new */
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175 };