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comparison utils.c @ 46:a0f677cfc679

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Added basic functionality for passing useful exceptions between Python and JS code.
author Atul Varma <varmaa@toolness.com>
date Mon, 06 Jul 2009 01:37:16 -0700
parents 03aec8572461
children 3f4982759e55
comparison
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45:03aec8572461 46:a0f677cfc679
130 // TODO: Support more types. 130 // TODO: Support more types.
131 PyErr_SetString(PyExc_NotImplementedError, 131 PyErr_SetString(PyExc_NotImplementedError,
132 "Data type conversion not implemented."); 132 "Data type conversion not implemented.");
133 return NULL; 133 return NULL;
134 } 134 }
135
136 void
137 PYM_pythonExceptionToJs(PYM_JSContextObject *context)
138 {
139 PyObject *type;
140 PyObject *value;
141 PyObject *traceback;
142
143 PyErr_Fetch(&type, &value, &traceback);
144 PyObject *str = PyObject_Unicode(value);
145 if (str == NULL)
146 JS_ReportError(context->cx, "Python exception occurred");
147 else {
148 jsval val;
149 if (PYM_pyObjectToJsval(context, str, &val) == 0)
150 // TODO: Include filename/line information.
151 JS_SetPendingException(context->cx, val);
152 else
153 JS_ReportError(context->cx, "Python exception occurred");
154 }
155
156 Py_DECREF(type);
157 Py_DECREF(value);
158 Py_DECREF(traceback);
159 }
160
161 void
162 PYM_jsExceptionToPython(PYM_JSContextObject *context)
163 {
164 if (!JS_IsExceptionPending(context->cx) &&
165 PyErr_Occurred())
166 return;
167
168 jsval val;
169 if (JS_GetPendingException(context->cx, &val)) {
170 JSString *str = JS_ValueToString(context->cx, val);
171 if (str != NULL) {
172 const char *chars = JS_GetStringBytes(str);
173 PyErr_SetString(PYM_error, chars);
174 } else
175 PyErr_SetString(PYM_error, "JS exception occurred");
176 } else
177 PyErr_SetString(PYM_error, "JS_GetPendingException() failed");
178 }