struct sr_java_frame *
sr_java_frame_from_json(struct sr_json_value *root, char **error_message)
{
if (!JSON_CHECK_TYPE(root, SR_JSON_OBJECT, "frame"))
return NULL;
struct sr_java_frame *result = sr_java_frame_new();
bool success =
JSON_READ_STRING(root, "name", &result->name) &&
JSON_READ_STRING(root, "file_name", &result->file_name) &&
JSON_READ_UINT32(root, "file_line", &result->file_line) &&
JSON_READ_STRING(root, "class_path", &result->class_path) &&
JSON_READ_BOOL(root, "is_native", &result->is_native) &&
JSON_READ_BOOL(root, "is_exception", &result->is_exception) &&
JSON_READ_STRING(root, "message", &result->message);
if (!success)
{
sr_java_frame_free(result);
return NULL;
}
return result;
}
struct sr_java_frame *
sr_java_frame_dup(struct sr_java_frame *frame, bool siblings)
{
struct sr_java_frame *result = sr_java_frame_new();
memcpy(result, frame, sizeof(*result));
/* Handle siblings. */
if (siblings)
{
if (result->next)
result->next = sr_java_frame_dup(result->next, true);
}
else
result->next = NULL; /* Do not copy that. */
/* Duplicate all strings. */
if (result->file_name)
result->file_name = sr_strdup(result->file_name);
if (result->name)
result->name = sr_strdup(result->name);
if (result->class_path)
result->class_path = sr_strdup(result->class_path);
if (result->message)
result->message = sr_strdup(result->message);
return result;
}
/* constructor */
PyObject *
sr_py_java_frame_new(PyTypeObject *object, PyObject *args, PyObject *kwds)
{
struct sr_py_java_frame *fo = (struct sr_py_java_frame*)
PyObject_New(struct sr_py_java_frame, &sr_py_java_frame_type);
if (!fo)
return PyErr_NoMemory();
const char *str = NULL;
if (!PyArg_ParseTuple(args, "|s", &str))
return NULL;
if (str)
{
struct sr_location location;
sr_location_init(&location);
fo->frame = sr_java_frame_parse(&str, &location);
if (!fo->frame)
{
PyErr_SetString(PyExc_ValueError, location.message);
return NULL;
}
}
else
fo->frame = sr_java_frame_new();
return (PyObject*)fo;
}
struct sr_java_frame *
sr_java_frame_parse(const char **input,
struct sr_location *location)
{
const char *mark = *input;
int lines, columns;
/* at SimpleTest.throwNullPointerException(SimpleTest.java:36) [file:/usr/lib/java/foo.class] */
const char *cursor = sr_strstr_location(mark, "at", &lines, &columns);
if (!cursor)
{
location->message = "Frame expected";
return NULL;
}
/* SimpleTest.throwNullPointerException(SimpleTest.java:36) [file:/usr/lib/java/foo.class] */
cursor = mark = cursor + 2;
sr_location_add(location, lines, columns + 2);
/* SimpleTest.throwNullPointerException(SimpleTest.java:36) [file:/usr/lib/java/foo.class] */
cursor = sr_skip_whitespace(cursor);
sr_location_add(location, 0, cursor - mark);
mark = cursor;
sr_location_add(location, 0, sr_skip_char_cspan(&cursor, "(\n"));
struct sr_java_frame *frame = sr_java_frame_new();
if (cursor != mark)
frame->name = sr_strndup(mark, cursor - mark);
/* (SimpleTest.java:36) [file:/usr/lib/java/foo.class] */
if (*cursor == '(')
{
++cursor;
sr_location_add(location, 0, 1);
mark = cursor;
sr_location_add(location, 0, sr_skip_char_cspan(&cursor, ":)\n"));
if (mark != cursor)
{
if (sr_java_frame_parse_is_native_method(mark))
frame->is_native = true;
else if (!sr_java_frame_parse_is_unknown_source(mark))
{
/* DO NOT set file_name if input says that source isn't known */
frame->file_name = sr_strndup(mark, cursor - mark);
frame->file_name = anonymize_path(frame->file_name);
}
}
if (*cursor == ':')
{
++cursor;
sr_location_add(location, 0, 1);
mark = cursor;
sr_parse_uint32(&cursor, &(frame->file_line));
sr_location_add(location, 0, cursor - mark);
}
}
/* [file:/usr/lib/java/foo.class] */
mark = sr_java_frame_parse_frame_url(frame, cursor, location);
cursor = strchrnul(mark, '\n');
if (*cursor == '\n')
{
*input = cursor + 1;
sr_location_add(location, 2, 0);
}
else
{
*input = cursor;
/* don't take \0 Byte into account */
sr_location_add(location, 0, (cursor - mark) - 1);
}
return frame;
}
