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annotate context.c @ 66:b49180c39d0a

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Pymonkey now handles the GIL properly so that Python code can run while JS code does.
author Atul Varma <varmaa@toolness.com>
date Sun, 26 Jul 2009 15:06:19 -0700
parents fb7e11dec538
children b5160c82be65
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48
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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
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37 #include "context.h"
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38 #include "object.h"
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39 #include "function.h"
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40 #include "utils.h"
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41
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42 static JSBool
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43 PYM_operationCallback(JSContext *cx)
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44 {
66
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45 PYM_PyAutoEnsureGIL gil;
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46 PYM_JSContextObject *context = (PYM_JSContextObject *)
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47 JS_GetContextPrivate(cx);
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48
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49 PyObject *callable = context->opCallback;
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50 PyObject *args = PyTuple_Pack(1, (PyObject *) context);
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51 if (args == NULL) {
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52 JS_ReportOutOfMemory(cx);
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53 return JS_FALSE;
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54 }
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55 PyObject *result = PyObject_Call(callable, args, NULL);
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56 Py_DECREF(args);
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57 if (result == NULL) {
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58 PYM_pythonExceptionToJs(context);
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59 return JS_FALSE;
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60 }
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61
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62 Py_DECREF(result);
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63 return JS_TRUE;
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64 }
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65
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66 // This is the default JSErrorReporter for pymonkey-owned JS contexts.
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67 static void
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68 PYM_reportError(JSContext *cx, const char *message, JSErrorReport *report)
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69 {
66
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70 PYM_PyAutoEnsureGIL gil;
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71
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72 // Convert JS warnings into Python warnings.
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73 if (JSREPORT_IS_WARNING(report->flags)) {
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74 if (report->filename)
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75 PyErr_WarnExplicit(NULL, message, report->filename, report->lineno,
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76 NULL, NULL);
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77 else
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78 PyErr_Warn(NULL, message);
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79 } else
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80 // TODO: Not sure if this will ever get called, but we should know
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81 // if it is.
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82 PyErr_Warn(NULL, "A JS error was reported.");
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83 }
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84
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85 static void
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86 PYM_JSContextDealloc(PYM_JSContextObject *self)
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87 {
64
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88 if (self->opCallback) {
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89 Py_DECREF(self->opCallback);
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90 self->opCallback = NULL;
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91 }
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92
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93 if (self->cx) {
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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 Py_DECREF(self->runtime);
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99 self->runtime = NULL;
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100
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101 self->ob_type->tp_free((PyObject *) self);
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102 }
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103
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104 static PyObject *
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105 PYM_getRuntime(PYM_JSContextObject *self, PyObject *args)
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106 {
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107 Py_INCREF(self->runtime);
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108 return (PyObject *) self->runtime;
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109 }
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110
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111 static PyObject *
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112 PYM_newObject(PYM_JSContextObject *self, PyObject *args)
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113 {
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114 JSObject *obj = JS_NewObject(self->cx, &PYM_JS_ObjectClass, NULL, NULL);
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115 if (obj == NULL) {
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116 PyErr_SetString(PYM_error, "JS_NewObject() failed");
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117 return NULL;
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118 }
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119
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120 // If this fails, we don't need to worry about cleaning up
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121 // obj because it'll get cleaned up at the next GC.
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122 return (PyObject *) PYM_newJSObject(self, obj, NULL);
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123 }
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124
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125 static PyObject *
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126 PYM_getProperty(PYM_JSContextObject *self, PyObject *args)
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127 {
29
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
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parents: 27
diff changeset
128 #ifndef Py_UNICODE_WIDE
17
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
129 PYM_JSObject *object;
27
21045074139f Based on my new understanding of JSString */jschar * thanks to folks on #jsapi, I've removed the requirement that SpiderMonkey be in UTF-8 mode to translate strings between Python and SpiderMonkey.
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parents: 24
diff changeset
130 Py_UNICODE *string;
17
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
131
27
21045074139f Based on my new understanding of JSString */jschar * thanks to folks on #jsapi, I've removed the requirement that SpiderMonkey be in UTF-8 mode to translate strings between Python and SpiderMonkey.
Atul Varma <varmaa@toolness.com>
parents: 24
diff changeset
132 if (!PyArg_ParseTuple(args, "O!u", &PYM_JSObjectType, &object,
21045074139f Based on my new understanding of JSString */jschar * thanks to folks on #jsapi, I've removed the requirement that SpiderMonkey be in UTF-8 mode to translate strings between Python and SpiderMonkey.
Atul Varma <varmaa@toolness.com>
parents: 24
diff changeset
133 &string))
17
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
134 return NULL;
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
135
27
21045074139f Based on my new understanding of JSString */jschar * thanks to folks on #jsapi, I've removed the requirement that SpiderMonkey be in UTF-8 mode to translate strings between Python and SpiderMonkey.
Atul Varma <varmaa@toolness.com>
parents: 24
diff changeset
136 JSString *jsString = JS_NewUCStringCopyZ(self->cx,
21045074139f Based on my new understanding of JSString */jschar * thanks to folks on #jsapi, I've removed the requirement that SpiderMonkey be in UTF-8 mode to translate strings between Python and SpiderMonkey.
Atul Varma <varmaa@toolness.com>
parents: 24
diff changeset
137 (const jschar *) string);
17
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
138 if (jsString == NULL) {
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
139 PyErr_SetString(PYM_error, "JS_NewStringCopyZ() failed");
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
140 return NULL;
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
141 }
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
142
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
143 jsval val;
66
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
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parents: 64
diff changeset
144 JSBool result;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
145 Py_BEGIN_ALLOW_THREADS;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
146 result = JS_GetUCProperty(self->cx, object->obj,
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
147 JS_GetStringChars(jsString),
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
148 JS_GetStringLength(jsString), &val);
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
149 Py_END_ALLOW_THREADS;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
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parents: 64
diff changeset
150
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
151 if (!result) {
17
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
152 // TODO: Get the actual JS exception. Any exception that exists
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
153 // here will probably still be pending on the JS context.
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
154 PyErr_SetString(PYM_error, "Getting property failed.");
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
155 return NULL;
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
156 }
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
157
21
fc04e5f1c675 Changed object constructor to take a context instead of a runtime.
Atul Varma <varmaa@toolness.com>
parents: 20
diff changeset
158 return PYM_jsvalToPyObject(self, val);
29
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
159 #else
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
160 PyErr_SetString(PyExc_NotImplementedError,
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
161 "This function is not yet implemented for wide "
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
162 "unicode builds of Python.");
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
163 return NULL;
608d086d12e3 Added a new PYM_pyObjectToJsval() function that only supports unicode for the moment. Also, whereever we're assuming that Py_UNICODE is UCS-2, we're surrounding such code with #ifndef Py_UNICODE_WIDE.
Atul Varma <varmaa@toolness.com>
parents: 27
diff changeset
164 #endif
17
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
165 }
0812422ec99e Added a context.get_property() method.
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parents: 16
diff changeset
166
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
167 static PyObject *
60
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
168 PYM_gc(PYM_JSContextObject *self, PyObject *args)
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
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parents: 48
diff changeset
169 {
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
170 JS_GC(self->cx);
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
171 Py_RETURN_NONE;
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
172 }
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
173
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
174 static PyObject *
14
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
175 PYM_initStandardClasses(PYM_JSContextObject *self, PyObject *args)
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
176 {
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
177 PYM_JSObject *object;
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
178
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
179 if (!PyArg_ParseTuple(args, "O!", &PYM_JSObjectType, &object))
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
180 return NULL;
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
181
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
182 if (!JS_InitStandardClasses(self->cx, object->obj)) {
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
183 PyErr_SetString(PYM_error, "JS_InitStandardClasses() failed");
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
184 return NULL;
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
185 }
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
186
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
187 Py_RETURN_NONE;
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
188 }
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
189
16
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
190 static PyObject *
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
191 PYM_evaluateScript(PYM_JSContextObject *self, PyObject *args)
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
192 {
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
193 PYM_JSObject *object;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
194 const char *source;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
195 int sourceLen;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
196 const char *filename;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
197 int lineNo;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
198
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
199 if (!PyArg_ParseTuple(args, "O!s#si", &PYM_JSObjectType, &object,
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
200 &source, &sourceLen, &filename, &lineNo))
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
201 return NULL;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
202
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
203 JS_BeginRequest(self->cx);
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
204
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
205 jsval rval;
66
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
206 JSBool result;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
207 Py_BEGIN_ALLOW_THREADS;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
208 result = JS_EvaluateScript(self->cx, object->obj, source, sourceLen,
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
209 filename, lineNo, &rval);
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
210 Py_END_ALLOW_THREADS;
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
211
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
Atul Varma <varmaa@toolness.com>
parents: 64
diff changeset
212 if (!result) {
46
a0f677cfc679 Added basic functionality for passing useful exceptions between Python and JS code.
Atul Varma <varmaa@toolness.com>
parents: 44
diff changeset
213 PYM_jsExceptionToPython(self);
16
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
214 JS_EndRequest(self->cx);
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
215 return NULL;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
216 }
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
217
21
fc04e5f1c675 Changed object constructor to take a context instead of a runtime.
Atul Varma <varmaa@toolness.com>
parents: 20
diff changeset
218 PyObject *pyRval = PYM_jsvalToPyObject(self, rval);
16
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
219
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
220 JS_EndRequest(self->cx);
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
221
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
222 return pyRval;
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
223 }
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
Atul Varma <varmaa@toolness.com>
parents: 15
diff changeset
224
37
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
225 static PyObject *
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
226 PYM_defineProperty(PYM_JSContextObject *self, PyObject *args)
24
74b7ad049542 Added very primitive support for calling python functions from JS.
Atul Varma <varmaa@toolness.com>
parents: 21
diff changeset
227 {
37
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
228 PYM_JSObject *object;
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
229 PyObject *value;
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
230 const char *name;
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
231
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
232 if (!PyArg_ParseTuple(args, "O!sO", &PYM_JSObjectType, &object,
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
233 &name, &value))
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
234 return NULL;
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
235
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
236 jsval jsValue;
24
74b7ad049542 Added very primitive support for calling python functions from JS.
Atul Varma <varmaa@toolness.com>
parents: 21
diff changeset
237
44
0b9a316ce4ef Changed function signature of PYM_pyObjectToJsval() to be consistent w/ the rest of the API.
Atul Varma <varmaa@toolness.com>
parents: 43
diff changeset
238 if (PYM_pyObjectToJsval(self, value, &jsValue) == -1)
37
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
239 return NULL;
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
240
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
241 // TODO: Support unicode naming.
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
Atul Varma <varmaa@toolness.com>
parents: 33
diff changeset
242 if (!JS_DefineProperty(self->cx, object->obj, name, jsValue,
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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243 NULL, NULL, JSPROP_ENUMERATE)) {
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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244 // TODO: There's probably an exception pending on self->cx,
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245 // what should we do about it?
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246 PyErr_SetString(PYM_error, "JS_DefineProperty() failed");
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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247 return NULL;
24
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248 }
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249
37
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diff changeset
250 Py_RETURN_NONE;
24
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251 }
74b7ad049542 Added very primitive support for calling python functions from JS.
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252
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253 static PyObject *
41
71ab5e977dd3 Added a context.call_function() method.
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254 PYM_callFunction(PYM_JSContextObject *self, PyObject *args)
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255 {
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
256 PYM_JSObject *obj;
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
257 PYM_JSFunction *fun;
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diff changeset
258 PyObject *funcArgs;
71ab5e977dd3 Added a context.call_function() method.
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259
71ab5e977dd3 Added a context.call_function() method.
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260 if (!PyArg_ParseTuple(args, "O!O!O!", &PYM_JSObjectType, &obj,
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
261 &PYM_JSFunctionType, &fun,
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
262 &PyTuple_Type, &funcArgs))
71ab5e977dd3 Added a context.call_function() method.
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263 return NULL;
71ab5e977dd3 Added a context.call_function() method.
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264
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
265 uintN argc = PyTuple_Size(funcArgs);
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
266 jsval argv[argc];
71ab5e977dd3 Added a context.call_function() method.
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267 jsval *currArg = argv;
71ab5e977dd3 Added a context.call_function() method.
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268
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
269 for (unsigned int i = 0; i < argc; i++) {
71ab5e977dd3 Added a context.call_function() method.
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270 PyObject *item = PyTuple_GET_ITEM(funcArgs, i);
71ab5e977dd3 Added a context.call_function() method.
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271 if (item == NULL ||
44
0b9a316ce4ef Changed function signature of PYM_pyObjectToJsval() to be consistent w/ the rest of the API.
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272 PYM_pyObjectToJsval(self, item, currArg) == -1)
41
71ab5e977dd3 Added a context.call_function() method.
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273 return NULL;
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
274 currArg++;
71ab5e977dd3 Added a context.call_function() method.
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275 }
71ab5e977dd3 Added a context.call_function() method.
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276
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
277 jsval rval;
71ab5e977dd3 Added a context.call_function() method.
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278
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
279 // TODO: This assumes that a JSFunction * is actually a subclass of
71ab5e977dd3 Added a context.call_function() method.
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280 // a JSObject *, which may or may not be regarded as an implementation
71ab5e977dd3 Added a context.call_function() method.
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281 // detail.
66
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
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282 JSBool result;
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283 Py_BEGIN_ALLOW_THREADS;
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284 result = JS_CallFunction(self->cx, obj->obj,
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285 (JSFunction *) fun->base.obj,
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diff changeset
286 argc, argv, &rval);
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diff changeset
287 Py_END_ALLOW_THREADS;
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diff changeset
288
b49180c39d0a Pymonkey now handles the GIL properly so that Python code can run while JS code does.
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diff changeset
289 if (!result) {
46
a0f677cfc679 Added basic functionality for passing useful exceptions between Python and JS code.
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diff changeset
290 PYM_jsExceptionToPython(self);
41
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diff changeset
291 return NULL;
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
292 }
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
293
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
294 return PYM_jsvalToPyObject(self, rval);
71ab5e977dd3 Added a context.call_function() method.
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295 }
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
296
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
297 static PyObject *
37
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298 PYM_newFunction(PYM_JSContextObject *self, PyObject *args)
24
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diff changeset
299 {
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300 PyObject *callable;
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diff changeset
301 const char *name;
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diff changeset
302
37
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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diff changeset
303 if (!PyArg_ParseTuple(args, "Os", &callable, &name))
24
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diff changeset
304 return NULL;
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diff changeset
305
40
8a7abd0bb48d Renamed PYM_newJSFunction() to PYM_newJSFunctionFromCallable(). PYM_newJSObject() now returns objects of type PYM_JSFunctionType as needed.
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diff changeset
306 return (PyObject *) PYM_newJSFunctionFromCallable(self, callable, name);
24
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diff changeset
307 }
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diff changeset
308
64
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
309 static PyObject *
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
310 PYM_setOperationCallback(PYM_JSContextObject *self, PyObject *args)
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diff changeset
311 {
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
312 PyObject *callable;
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
313
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
314 if (!PyArg_ParseTuple(args, "O", &callable))
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diff changeset
315 return NULL;
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
316
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
317 if (!PyCallable_Check(callable)) {
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
318 PyErr_SetString(PyExc_TypeError, "Callable must be callable");
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diff changeset
319 return NULL;
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
320 }
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
321
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
322 JS_SetOperationCallback(self->cx, PYM_operationCallback);
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
323
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
324 Py_INCREF(callable);
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
325 if (self->opCallback)
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
326 Py_DECREF(self->opCallback);
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
327 self->opCallback = callable;
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diff changeset
328
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
329 Py_RETURN_NONE;
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
330 }
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
331
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
332 static PyObject *
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
333 PYM_triggerOperationCallback(PYM_JSContextObject *self, PyObject *args)
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
334 {
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
335 JS_TriggerOperationCallback(self->cx);
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
336 Py_RETURN_NONE;
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
337 }
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
338
11
551ba05fe6ad factored out Runtime, Context, and utils into separate files.
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parents:
diff changeset
339 static PyMethodDef PYM_JSContextMethods[] = {
551ba05fe6ad factored out Runtime, Context, and utils into separate files.
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parents:
diff changeset
340 {"get_runtime", (PyCFunction) PYM_getRuntime, METH_VARARGS,
551ba05fe6ad factored out Runtime, Context, and utils into separate files.
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parents:
diff changeset
341 "Get the JavaScript runtime associated with this context."},
13
ca17531e8c81 Added an object class.
Atul Varma <varmaa@toolness.com>
parents: 12
diff changeset
342 {"new_object", (PyCFunction) PYM_newObject, METH_VARARGS,
ca17531e8c81 Added an object class.
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parents: 12
diff changeset
343 "Create a new JavaScript object."},
14
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
344 {"init_standard_classes",
9edcdb4ab12d added an init_standard_classes() method to context objects.
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parents: 13
diff changeset
345 (PyCFunction) PYM_initStandardClasses, METH_VARARGS,
9edcdb4ab12d added an init_standard_classes() method to context objects.
Atul Varma <varmaa@toolness.com>
parents: 13
diff changeset
346 "Add standard classes and functions to the given object."},
16
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
347 {"evaluate_script",
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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diff changeset
348 (PyCFunction) PYM_evaluateScript, METH_VARARGS,
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
349 "Evaluate the given JavaScript code in the context of the given "
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
350 "global object, using the given filename"
532b7ddca616 Created a new context.evaluate_script() function, replacing pymonkey.evaluate(). Separated out one of the big unit tests into several.
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parents: 15
diff changeset
351 "and line number information."},
41
71ab5e977dd3 Added a context.call_function() method.
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parents: 40
diff changeset
352 {"call_function",
71ab5e977dd3 Added a context.call_function() method.
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diff changeset
353 (PyCFunction) PYM_callFunction, METH_VARARGS,
71ab5e977dd3 Added a context.call_function() method.
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parents: 40
diff changeset
354 "Calls a JS function."},
37
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
355 {"new_function",
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
356 (PyCFunction) PYM_newFunction, METH_VARARGS,
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
357 "Creates a new function callable from JS."},
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
358 {"define_property",
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
359 (PyCFunction) PYM_defineProperty, METH_VARARGS,
d4efcbb06964 Added a new PYM_JSFunction type, PYM_JSContext.define_property(), and PYM_JSContext.new_function(). Also fixed a memory leak.
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parents: 33
diff changeset
360 "Defines a property on an object."},
17
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
361 {"get_property", (PyCFunction) PYM_getProperty, METH_VARARGS,
0812422ec99e Added a context.get_property() method.
Atul Varma <varmaa@toolness.com>
parents: 16
diff changeset
362 "Gets the given property for the given JavaScript object."},
60
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
363 {"gc", (PyCFunction) PYM_gc, METH_VARARGS,
e557d84318a7 Added a gc() method to the context object which performs garbage collection.
Atul Varma <varmaa@toolness.com>
parents: 48
diff changeset
364 "Performs garbage collection on the context's runtime."},
64
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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parents: 60
diff changeset
365 {"set_operation_callback", (PyCFunction) PYM_setOperationCallback,
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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parents: 60
diff changeset
366 METH_VARARGS,
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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diff changeset
367 "Sets the operation callback for the context."},
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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parents: 60
diff changeset
368 {"trigger_operation_callback", (PyCFunction) PYM_triggerOperationCallback,
fb7e11dec538 Added context.set_operation_callback() and trigger_operation_callback() methods.
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parents: 60
diff changeset
369 METH_VARARGS,
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370 "Triggers the operation callback for the context."},
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371 {NULL, NULL, 0, NULL}
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372 };
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373
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374 PyTypeObject PYM_JSContextType = {
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375 PyObject_HEAD_INIT(NULL)
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376 0, /*ob_size*/
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377 "pymonkey.Context", /*tp_name*/
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378 sizeof(PYM_JSContextObject), /*tp_basicsize*/
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379 0, /*tp_itemsize*/
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380 /*tp_dealloc*/
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381 (destructor) PYM_JSContextDealloc,
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382 0, /*tp_print*/
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383 0, /*tp_getattr*/
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384 0, /*tp_setattr*/
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385 0, /*tp_compare*/
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386 0, /*tp_repr*/
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387 0, /*tp_as_number*/
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388 0, /*tp_as_sequence*/
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389 0, /*tp_as_mapping*/
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390 0, /*tp_hash */
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391 0, /*tp_call*/
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392 0, /*tp_str*/
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393 0, /*tp_getattro*/
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394 0, /*tp_setattro*/
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395 0, /*tp_as_buffer*/
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396 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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397 /* tp_doc */
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398 "JavaScript Context.",
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399 0, /* tp_traverse */
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400 0, /* tp_clear */
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401 0, /* tp_richcompare */
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402 0, /* tp_weaklistoffset */
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403 0, /* tp_iter */
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404 0, /* tp_iternext */
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405 PYM_JSContextMethods, /* tp_methods */
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406 0, /* tp_members */
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407 0, /* tp_getset */
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408 0, /* tp_base */
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409 0, /* tp_dict */
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410 0, /* tp_descr_get */
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411 0, /* tp_descr_set */
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412 0, /* tp_dictoffset */
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413 0, /* tp_init */
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414 0, /* tp_alloc */
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415 0, /* tp_new */
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416 };
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417
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418 extern PYM_JSContextObject *
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419 PYM_newJSContextObject(PYM_JSRuntimeObject *runtime, JSContext *cx)
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420 {
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421 PYM_JSContextObject *context = PyObject_New(PYM_JSContextObject,
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422 &PYM_JSContextType);
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423 if (context == NULL)
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424 return NULL;
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425
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426 context->opCallback = NULL;
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427 context->runtime = runtime;
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428 Py_INCREF(runtime);
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429
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430 context->cx = cx;
43
5727675b1bcb JS-wrapped python functions now take a context object as their first parameter.
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431 JS_SetContextPrivate(cx, context);
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a0f677cfc679 Added basic functionality for passing useful exceptions between Python and JS code.
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432 JS_SetErrorReporter(cx, PYM_reportError);
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433
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434 #ifdef JS_GC_ZEAL
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435 // TODO: Consider exposing JS_SetGCZeal() to Python instead of
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436 // hard-coding it here.
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437 JS_SetGCZeal(cx, 2);
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438 #endif
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439
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440 return context;
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441 }