Sat, 12 Apr 2014 16:57:18 +0200
Modified the Python2 coverage files to include the Python2 eflags line and fixed an issue in both variants.
--- a/DebugClients/Python/coverage/__init__.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/__init__.py Sat Apr 12 16:57:18 2014 +0200 @@ -118,3 +118,6 @@ # TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH # DAMAGE. + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/__main__.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/__main__.py Sat Apr 12 16:57:18 2014 +0200 @@ -2,3 +2,6 @@ import sys from .cmdline import main sys.exit(main()) + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/annotate.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/annotate.py Sat Apr 12 16:57:18 2014 +0200 @@ -100,3 +100,6 @@ dest.write(line) source.close() dest.close() + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/backward.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/backward.py Sat Apr 12 16:57:18 2014 +0200 @@ -182,3 +182,6 @@ except ImportError: import md5 md5 = md5.new + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/bytecode.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/bytecode.py Sat Apr 12 16:57:18 2014 +0200 @@ -73,3 +73,6 @@ if isinstance(c, types.CodeType): self.stack.append(c) yield code + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/cmdline.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/cmdline.py Sat Apr 12 16:57:18 2014 +0200 @@ -742,3 +742,6 @@ else: status = None return status + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/codeunit.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/codeunit.py Sat Apr 12 16:57:18 2014 +0200 @@ -143,3 +143,6 @@ return True # Everything else is probably not Python. return False + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/collector.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/collector.py Sat Apr 12 16:57:18 2014 +0200 @@ -289,7 +289,9 @@ def stop(self): """Stop collecting trace information.""" - #print >>sys.stderr, "Stopping: %r" % self._collectors + #print("Stopping: %r" % self._collectors, file=sys.stderr) + if not self._collectors: + return assert self._collectors assert self._collectors[-1] is self @@ -351,3 +353,6 @@ return self.data else: return {} + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/config.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/config.py Sat Apr 12 16:57:18 2014 +0200 @@ -211,3 +211,6 @@ if cp.has_option(section, option): method = getattr(cp, 'get'+type_) setattr(self, attr, method(section, option)) + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/control.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/control.py Sat Apr 12 16:57:18 2014 +0200 @@ -777,3 +777,6 @@ # A hack for debugging testing in subprocesses. _TEST_NAME_FILE = "" #"/tmp/covtest.txt" + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/data.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/data.py Sat Apr 12 16:57:18 2014 +0200 @@ -276,3 +276,6 @@ else: fname = covdata.filename pprint.pprint(covdata.raw_data(fname)) + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/debug.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/debug.py Sat Apr 12 16:57:18 2014 +0200 @@ -52,3 +52,6 @@ prefix = "" else: yield "%*s: %s" % (label_len, label, data) + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/execfile.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/execfile.py Sat Apr 12 16:57:18 2014 +0200 @@ -169,3 +169,6 @@ fpyc.close() return code + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/files.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/files.py Sat Apr 12 16:57:18 2014 +0200 @@ -307,3 +307,6 @@ # characters that probably mean they are editor junk. if re.match(r"^[^.#~!$@%^&*()+=,]+\.pyw?$", filename): yield os.path.join(dirpath, filename) + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/fullcoverage/encodings.py Sat Apr 12 16:19:56 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,57 +0,0 @@ -"""Imposter encodings module that installs a coverage-style tracer. - -This is NOT the encodings module; it is an imposter that sets up tracing -instrumentation and then replaces itself with the real encodings module. - -If the directory that holds this file is placed first in the PYTHONPATH when -using "coverage" to run Python's tests, then this file will become the very -first module imported by the internals of Python 3. It installs a -coverage-compatible trace function that can watch Standard Library modules -execute from the very earliest stages of Python's own boot process. This fixes -a problem with coverage - that it starts too late to trace the coverage of many -of the most fundamental modules in the Standard Library. - -""" - -import sys - -class FullCoverageTracer(object): - def __init__(self): - # `traces` is a list of trace events. Frames are tricky: the same - # frame object is used for a whole scope, with new line numbers - # written into it. So in one scope, all the frame objects are the - # same object, and will eventually all will point to the last line - # executed. So we keep the line numbers alongside the frames. - # The list looks like: - # - # traces = [ - # ((frame, event, arg), lineno), ... - # ] - # - self.traces = [] - - def fullcoverage_trace(self, *args): - frame, event, arg = args - self.traces.append((args, frame.f_lineno)) - return self.fullcoverage_trace - -sys.settrace(FullCoverageTracer().fullcoverage_trace) - -# In coverage/files.py is actual_filename(), which uses glob.glob. I don't -# understand why, but that use of glob borks everything if fullcoverage is in -# effect. So here we make an ugly hail-mary pass to switch off glob.glob over -# there. This means when using fullcoverage, Windows path names will not be -# their actual case. - -#sys.fullcoverage = True - -# Finally, remove our own directory from sys.path; remove ourselves from -# sys.modules; and re-import "encodings", which will be the real package -# this time. Note that the delete from sys.modules dictionary has to -# happen last, since all of the symbols in this module will become None -# at that exact moment, including "sys". - -parentdir = max(filter(__file__.startswith, sys.path), key=len) -sys.path.remove(parentdir) -del sys.modules['encodings'] -import encodings
--- a/DebugClients/Python/coverage/html.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/html.py Sat Apr 12 16:57:18 2014 +0200 @@ -394,3 +394,6 @@ """ html = re.sub(r">\s+<p ", ">\n<p ", html) return html + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/misc.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/misc.py Sat Apr 12 16:57:18 2014 +0200 @@ -165,3 +165,6 @@ """ pass + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/parser.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/parser.py Sat Apr 12 16:57:18 2014 +0200 @@ -698,3 +698,6 @@ # Create our generate_tokens cache as a callable replacement function. generate_tokens = CachedTokenizer().generate_tokens + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/phystokens.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/phystokens.py Sat Apr 12 16:57:18 2014 +0200 @@ -208,3 +208,6 @@ return encoding return default + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/report.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/report.py Sat Apr 12 16:57:18 2014 +0200 @@ -90,3 +90,6 @@ # explicitly suppress those errors. if cu.should_be_python() and not self.config.ignore_errors: raise + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/results.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/results.py Sat Apr 12 16:57:18 2014 +0200 @@ -284,3 +284,6 @@ if other == 0: return self return NotImplemented + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/summary.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/summary.py Sat Apr 12 16:57:18 2014 +0200 @@ -84,3 +84,6 @@ outfile.write(fmt_coverage % args) return total.pc_covered + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/templite.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/templite.py Sat Apr 12 16:57:18 2014 +0200 @@ -206,3 +206,6 @@ if hasattr(value, '__call__'): value = value() return value + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/tracer.c Sat Apr 12 16:19:56 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,730 +0,0 @@ -/* C-based Tracer for Coverage. */ - -#include "Python.h" -#include "compile.h" /* in 2.3, this wasn't part of Python.h */ -#include "eval.h" /* or this. */ -#include "structmember.h" -#include "frameobject.h" - -/* Compile-time debugging helpers */ -#undef WHAT_LOG /* Define to log the WHAT params in the trace function. */ -#undef TRACE_LOG /* Define to log our bookkeeping. */ -#undef COLLECT_STATS /* Collect counters: stats are printed when tracer is stopped. */ - -#if COLLECT_STATS -#define STATS(x) x -#else -#define STATS(x) -#endif - -/* Py 2.x and 3.x compatibility */ - -#ifndef Py_TYPE -#define Py_TYPE(o) (((PyObject*)(o))->ob_type) -#endif - -#if PY_MAJOR_VERSION >= 3 - -#define MyText_Type PyUnicode_Type -#define MyText_Check(o) PyUnicode_Check(o) -#define MyText_AS_BYTES(o) PyUnicode_AsASCIIString(o) -#define MyText_AS_STRING(o) PyBytes_AS_STRING(o) -#define MyInt_FromLong(l) PyLong_FromLong(l) - -#define MyType_HEAD_INIT PyVarObject_HEAD_INIT(NULL, 0) - -#else - -#define MyText_Type PyString_Type -#define MyText_Check(o) PyString_Check(o) -#define MyText_AS_BYTES(o) (Py_INCREF(o), o) -#define MyText_AS_STRING(o) PyString_AS_STRING(o) -#define MyInt_FromLong(l) PyInt_FromLong(l) - -#define MyType_HEAD_INIT PyObject_HEAD_INIT(NULL) 0, - -#endif /* Py3k */ - -/* The values returned to indicate ok or error. */ -#define RET_OK 0 -#define RET_ERROR -1 - -/* An entry on the data stack. For each call frame, we need to record the - dictionary to capture data, and the last line number executed in that - frame. -*/ -typedef struct { - PyObject * file_data; /* PyMem_Malloc'ed, a borrowed ref. */ - int last_line; -} DataStackEntry; - -/* The CTracer type. */ - -typedef struct { - PyObject_HEAD - - /* Python objects manipulated directly by the Collector class. */ - PyObject * should_trace; - PyObject * warn; - PyObject * data; - PyObject * should_trace_cache; - PyObject * arcs; - - /* Has the tracer been started? */ - int started; - /* Are we tracing arcs, or just lines? */ - int tracing_arcs; - - /* - The data stack is a stack of dictionaries. Each dictionary collects - data for a single source file. The data stack parallels the call stack: - each call pushes the new frame's file data onto the data stack, and each - return pops file data off. - - The file data is a dictionary whose form depends on the tracing options. - If tracing arcs, the keys are line number pairs. If not tracing arcs, - the keys are line numbers. In both cases, the value is irrelevant - (None). - */ - /* The index of the last-used entry in data_stack. */ - int depth; - /* The file data at each level, or NULL if not recording. */ - DataStackEntry * data_stack; - int data_stack_alloc; /* number of entries allocated at data_stack. */ - - /* The current file_data dictionary. Borrowed. */ - PyObject * cur_file_data; - - /* The line number of the last line recorded, for tracing arcs. - -1 means there was no previous line, as when entering a code object. - */ - int last_line; - - /* The parent frame for the last exception event, to fix missing returns. */ - PyFrameObject * last_exc_back; - int last_exc_firstlineno; - -#if COLLECT_STATS - struct { - unsigned int calls; - unsigned int lines; - unsigned int returns; - unsigned int exceptions; - unsigned int others; - unsigned int new_files; - unsigned int missed_returns; - unsigned int stack_reallocs; - unsigned int errors; - } stats; -#endif /* COLLECT_STATS */ -} CTracer; - -#define STACK_DELTA 100 - -static int -CTracer_init(CTracer *self, PyObject *args_unused, PyObject *kwds_unused) -{ -#if COLLECT_STATS - self->stats.calls = 0; - self->stats.lines = 0; - self->stats.returns = 0; - self->stats.exceptions = 0; - self->stats.others = 0; - self->stats.new_files = 0; - self->stats.missed_returns = 0; - self->stats.stack_reallocs = 0; - self->stats.errors = 0; -#endif /* COLLECT_STATS */ - - self->should_trace = NULL; - self->warn = NULL; - self->data = NULL; - self->should_trace_cache = NULL; - self->arcs = NULL; - - self->started = 0; - self->tracing_arcs = 0; - - self->depth = -1; - self->data_stack = PyMem_Malloc(STACK_DELTA*sizeof(DataStackEntry)); - if (self->data_stack == NULL) { - STATS( self->stats.errors++; ) - PyErr_NoMemory(); - return RET_ERROR; - } - self->data_stack_alloc = STACK_DELTA; - - self->cur_file_data = NULL; - self->last_line = -1; - - self->last_exc_back = NULL; - - return RET_OK; -} - -static void -CTracer_dealloc(CTracer *self) -{ - if (self->started) { - PyEval_SetTrace(NULL, NULL); - } - - Py_XDECREF(self->should_trace); - Py_XDECREF(self->warn); - Py_XDECREF(self->data); - Py_XDECREF(self->should_trace_cache); - - PyMem_Free(self->data_stack); - - Py_TYPE(self)->tp_free((PyObject*)self); -} - -#if TRACE_LOG -static const char * -indent(int n) -{ - static const char * spaces = - " " - " " - " " - " " - ; - return spaces + strlen(spaces) - n*2; -} - -static int logging = 0; -/* Set these constants to be a file substring and line number to start logging. */ -static const char * start_file = "tests/views"; -static int start_line = 27; - -static void -showlog(int depth, int lineno, PyObject * filename, const char * msg) -{ - if (logging) { - printf("%s%3d ", indent(depth), depth); - if (lineno) { - printf("%4d", lineno); - } - else { - printf(" "); - } - if (filename) { - PyObject *ascii = MyText_AS_BYTES(filename); - printf(" %s", MyText_AS_STRING(ascii)); - Py_DECREF(ascii); - } - if (msg) { - printf(" %s", msg); - } - printf("\n"); - } -} - -#define SHOWLOG(a,b,c,d) showlog(a,b,c,d) -#else -#define SHOWLOG(a,b,c,d) -#endif /* TRACE_LOG */ - -#if WHAT_LOG -static const char * what_sym[] = {"CALL", "EXC ", "LINE", "RET "}; -#endif - -/* Record a pair of integers in self->cur_file_data. */ -static int -CTracer_record_pair(CTracer *self, int l1, int l2) -{ - int ret = RET_OK; - - PyObject * t = Py_BuildValue("(ii)", l1, l2); - if (t != NULL) { - if (PyDict_SetItem(self->cur_file_data, t, Py_None) < 0) { - STATS( self->stats.errors++; ) - ret = RET_ERROR; - } - Py_DECREF(t); - } - else { - STATS( self->stats.errors++; ) - ret = RET_ERROR; - } - return ret; -} - -/* - * The Trace Function - */ -static int -CTracer_trace(CTracer *self, PyFrameObject *frame, int what, PyObject *arg_unused) -{ - int ret = RET_OK; - PyObject * filename = NULL; - PyObject * tracename = NULL; - #if WHAT_LOG || TRACE_LOG - PyObject * ascii = NULL; - #endif - - #if WHAT_LOG - if (what <= sizeof(what_sym)/sizeof(const char *)) { - ascii = MyText_AS_BYTES(frame->f_code->co_filename); - printf("trace: %s @ %s %d\n", what_sym[what], MyText_AS_STRING(ascii), frame->f_lineno); - Py_DECREF(ascii); - } - #endif - - #if TRACE_LOG - ascii = MyText_AS_BYTES(frame->f_code->co_filename); - if (strstr(MyText_AS_STRING(ascii), start_file) && frame->f_lineno == start_line) { - logging = 1; - } - Py_DECREF(ascii); - #endif - - /* See below for details on missing-return detection. */ - if (self->last_exc_back) { - if (frame == self->last_exc_back) { - /* Looks like someone forgot to send a return event. We'll clear - the exception state and do the RETURN code here. Notice that the - frame we have in hand here is not the correct frame for the RETURN, - that frame is gone. Our handling for RETURN doesn't need the - actual frame, but we do log it, so that will look a little off if - you're looking at the detailed log. - - If someday we need to examine the frame when doing RETURN, then - we'll need to keep more of the missed frame's state. - */ - STATS( self->stats.missed_returns++; ) - if (self->depth >= 0) { - if (self->tracing_arcs && self->cur_file_data) { - if (CTracer_record_pair(self, self->last_line, -self->last_exc_firstlineno) < 0) { - return RET_ERROR; - } - } - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "missedreturn"); - self->cur_file_data = self->data_stack[self->depth].file_data; - self->last_line = self->data_stack[self->depth].last_line; - self->depth--; - } - } - self->last_exc_back = NULL; - } - - - switch (what) { - case PyTrace_CALL: /* 0 */ - STATS( self->stats.calls++; ) - /* Grow the stack. */ - self->depth++; - if (self->depth >= self->data_stack_alloc) { - STATS( self->stats.stack_reallocs++; ) - /* We've outgrown our data_stack array: make it bigger. */ - int bigger = self->data_stack_alloc + STACK_DELTA; - DataStackEntry * bigger_data_stack = PyMem_Realloc(self->data_stack, bigger * sizeof(DataStackEntry)); - if (bigger_data_stack == NULL) { - STATS( self->stats.errors++; ) - PyErr_NoMemory(); - self->depth--; - return RET_ERROR; - } - self->data_stack = bigger_data_stack; - self->data_stack_alloc = bigger; - } - - /* Push the current state on the stack. */ - self->data_stack[self->depth].file_data = self->cur_file_data; - self->data_stack[self->depth].last_line = self->last_line; - - /* Check if we should trace this line. */ - filename = frame->f_code->co_filename; - tracename = PyDict_GetItem(self->should_trace_cache, filename); - if (tracename == NULL) { - STATS( self->stats.new_files++; ) - /* We've never considered this file before. */ - /* Ask should_trace about it. */ - PyObject * args = Py_BuildValue("(OO)", filename, frame); - tracename = PyObject_Call(self->should_trace, args, NULL); - Py_DECREF(args); - if (tracename == NULL) { - /* An error occurred inside should_trace. */ - STATS( self->stats.errors++; ) - return RET_ERROR; - } - if (PyDict_SetItem(self->should_trace_cache, filename, tracename) < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - else { - Py_INCREF(tracename); - } - - /* If tracename is a string, then we're supposed to trace. */ - if (MyText_Check(tracename)) { - PyObject * file_data = PyDict_GetItem(self->data, tracename); - if (file_data == NULL) { - file_data = PyDict_New(); - if (file_data == NULL) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - ret = PyDict_SetItem(self->data, tracename, file_data); - Py_DECREF(file_data); - if (ret < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - self->cur_file_data = file_data; - /* Make the frame right in case settrace(gettrace()) happens. */ - Py_INCREF(self); - frame->f_trace = (PyObject*)self; - SHOWLOG(self->depth, frame->f_lineno, filename, "traced"); - } - else { - self->cur_file_data = NULL; - SHOWLOG(self->depth, frame->f_lineno, filename, "skipped"); - } - - Py_DECREF(tracename); - - self->last_line = -1; - break; - - case PyTrace_RETURN: /* 3 */ - STATS( self->stats.returns++; ) - /* A near-copy of this code is above in the missing-return handler. */ - if (self->depth >= 0) { - if (self->tracing_arcs && self->cur_file_data) { - int first = frame->f_code->co_firstlineno; - if (CTracer_record_pair(self, self->last_line, -first) < 0) { - return RET_ERROR; - } - } - - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "return"); - self->cur_file_data = self->data_stack[self->depth].file_data; - self->last_line = self->data_stack[self->depth].last_line; - self->depth--; - } - break; - - case PyTrace_LINE: /* 2 */ - STATS( self->stats.lines++; ) - if (self->depth >= 0) { - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "line"); - if (self->cur_file_data) { - /* We're tracing in this frame: record something. */ - if (self->tracing_arcs) { - /* Tracing arcs: key is (last_line,this_line). */ - if (CTracer_record_pair(self, self->last_line, frame->f_lineno) < 0) { - return RET_ERROR; - } - } - else { - /* Tracing lines: key is simply this_line. */ - PyObject * this_line = MyInt_FromLong(frame->f_lineno); - if (this_line == NULL) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - ret = PyDict_SetItem(self->cur_file_data, this_line, Py_None); - Py_DECREF(this_line); - if (ret < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - } - self->last_line = frame->f_lineno; - } - break; - - case PyTrace_EXCEPTION: - /* Some code (Python 2.3, and pyexpat anywhere) fires an exception event - without a return event. To detect that, we'll keep a copy of the - parent frame for an exception event. If the next event is in that - frame, then we must have returned without a return event. We can - synthesize the missing event then. - - Python itself fixed this problem in 2.4. Pyexpat still has the bug. - I've reported the problem with pyexpat as http://bugs.python.org/issue6359 . - If it gets fixed, this code should still work properly. Maybe some day - the bug will be fixed everywhere coverage.py is supported, and we can - remove this missing-return detection. - - More about this fix: http://nedbatchelder.com/blog/200907/a_nasty_little_bug.html - */ - STATS( self->stats.exceptions++; ) - self->last_exc_back = frame->f_back; - self->last_exc_firstlineno = frame->f_code->co_firstlineno; - break; - - default: - STATS( self->stats.others++; ) - break; - } - - return RET_OK; -} - -/* - * Python has two ways to set the trace function: sys.settrace(fn), which - * takes a Python callable, and PyEval_SetTrace(func, obj), which takes - * a C function and a Python object. The way these work together is that - * sys.settrace(pyfn) calls PyEval_SetTrace(builtin_func, pyfn), using the - * Python callable as the object in PyEval_SetTrace. So sys.gettrace() - * simply returns the Python object used as the second argument to - * PyEval_SetTrace. So sys.gettrace() will return our self parameter, which - * means it must be callable to be used in sys.settrace(). - * - * So we make our self callable, equivalent to invoking our trace function. - * - * To help with the process of replaying stored frames, this function has an - * optional keyword argument: - * - * def CTracer_call(frame, event, arg, lineno=0) - * - * If provided, the lineno argument is used as the line number, and the - * frame's f_lineno member is ignored. - */ -static PyObject * -CTracer_call(CTracer *self, PyObject *args, PyObject *kwds) -{ - PyFrameObject *frame; - PyObject *what_str; - PyObject *arg; - int lineno = 0; - int what; - int orig_lineno; - PyObject *ret = NULL; - - static char *what_names[] = { - "call", "exception", "line", "return", - "c_call", "c_exception", "c_return", - NULL - }; - - #if WHAT_LOG - printf("pytrace\n"); - #endif - - static char *kwlist[] = {"frame", "event", "arg", "lineno", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O!O|i:Tracer_call", kwlist, - &PyFrame_Type, &frame, &MyText_Type, &what_str, &arg, &lineno)) { - goto done; - } - - /* In Python, the what argument is a string, we need to find an int - for the C function. */ - for (what = 0; what_names[what]; what++) { - PyObject *ascii = MyText_AS_BYTES(what_str); - int should_break = !strcmp(MyText_AS_STRING(ascii), what_names[what]); - Py_DECREF(ascii); - if (should_break) { - break; - } - } - - /* Save off the frame's lineno, and use the forced one, if provided. */ - orig_lineno = frame->f_lineno; - if (lineno > 0) { - frame->f_lineno = lineno; - } - - /* Invoke the C function, and return ourselves. */ - if (CTracer_trace(self, frame, what, arg) == RET_OK) { - Py_INCREF(self); - ret = (PyObject *)self; - } - - /* Clean up. */ - frame->f_lineno = orig_lineno; - -done: - return ret; -} - -static PyObject * -CTracer_start(CTracer *self, PyObject *args_unused) -{ - PyEval_SetTrace((Py_tracefunc)CTracer_trace, (PyObject*)self); - self->started = 1; - self->tracing_arcs = self->arcs && PyObject_IsTrue(self->arcs); - self->last_line = -1; - - /* start() returns a trace function usable with sys.settrace() */ - Py_INCREF(self); - return (PyObject *)self; -} - -static PyObject * -CTracer_stop(CTracer *self, PyObject *args_unused) -{ - if (self->started) { - PyEval_SetTrace(NULL, NULL); - self->started = 0; - } - - return Py_BuildValue(""); -} - -static PyObject * -CTracer_get_stats(CTracer *self) -{ -#if COLLECT_STATS - return Py_BuildValue( - "{sI,sI,sI,sI,sI,sI,sI,sI,si,sI}", - "calls", self->stats.calls, - "lines", self->stats.lines, - "returns", self->stats.returns, - "exceptions", self->stats.exceptions, - "others", self->stats.others, - "new_files", self->stats.new_files, - "missed_returns", self->stats.missed_returns, - "stack_reallocs", self->stats.stack_reallocs, - "stack_alloc", self->data_stack_alloc, - "errors", self->stats.errors - ); -#else - return Py_BuildValue(""); -#endif /* COLLECT_STATS */ -} - -static PyMemberDef -CTracer_members[] = { - { "should_trace", T_OBJECT, offsetof(CTracer, should_trace), 0, - PyDoc_STR("Function indicating whether to trace a file.") }, - - { "warn", T_OBJECT, offsetof(CTracer, warn), 0, - PyDoc_STR("Function for issuing warnings.") }, - - { "data", T_OBJECT, offsetof(CTracer, data), 0, - PyDoc_STR("The raw dictionary of trace data.") }, - - { "should_trace_cache", T_OBJECT, offsetof(CTracer, should_trace_cache), 0, - PyDoc_STR("Dictionary caching should_trace results.") }, - - { "arcs", T_OBJECT, offsetof(CTracer, arcs), 0, - PyDoc_STR("Should we trace arcs, or just lines?") }, - - { NULL } -}; - -static PyMethodDef -CTracer_methods[] = { - { "start", (PyCFunction) CTracer_start, METH_VARARGS, - PyDoc_STR("Start the tracer") }, - - { "stop", (PyCFunction) CTracer_stop, METH_VARARGS, - PyDoc_STR("Stop the tracer") }, - - { "get_stats", (PyCFunction) CTracer_get_stats, METH_VARARGS, - PyDoc_STR("Get statistics about the tracing") }, - - { NULL } -}; - -static PyTypeObject -CTracerType = { - MyType_HEAD_INIT - "coverage.CTracer", /*tp_name*/ - sizeof(CTracer), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)CTracer_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - (ternaryfunc)CTracer_call, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ - "CTracer objects", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - CTracer_methods, /* tp_methods */ - CTracer_members, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)CTracer_init, /* tp_init */ - 0, /* tp_alloc */ - 0, /* tp_new */ -}; - -/* Module definition */ - -#define MODULE_DOC PyDoc_STR("Fast coverage tracer.") - -#if PY_MAJOR_VERSION >= 3 - -static PyModuleDef -moduledef = { - PyModuleDef_HEAD_INIT, - "coverage.tracer", - MODULE_DOC, - -1, - NULL, /* methods */ - NULL, - NULL, /* traverse */ - NULL, /* clear */ - NULL -}; - - -PyObject * -PyInit_tracer(void) -{ - PyObject * mod = PyModule_Create(&moduledef); - if (mod == NULL) { - return NULL; - } - - CTracerType.tp_new = PyType_GenericNew; - if (PyType_Ready(&CTracerType) < 0) { - Py_DECREF(mod); - return NULL; - } - - Py_INCREF(&CTracerType); - PyModule_AddObject(mod, "CTracer", (PyObject *)&CTracerType); - - return mod; -} - -#else - -void -inittracer(void) -{ - PyObject * mod; - - mod = Py_InitModule3("coverage.tracer", NULL, MODULE_DOC); - if (mod == NULL) { - return; - } - - CTracerType.tp_new = PyType_GenericNew; - if (PyType_Ready(&CTracerType) < 0) { - return; - } - - Py_INCREF(&CTracerType); - PyModule_AddObject(mod, "CTracer", (PyObject *)&CTracerType); -} - -#endif /* Py3k */
--- a/DebugClients/Python/coverage/version.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/version.py Sat Apr 12 16:57:18 2014 +0200 @@ -7,3 +7,6 @@ if max(__version__).isalpha(): # For pre-releases, use a version-specific URL. __url__ += "/" + __version__ + +# +# eflag: FileType = Python2
--- a/DebugClients/Python/coverage/xmlreport.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python/coverage/xmlreport.py Sat Apr 12 16:57:18 2014 +0200 @@ -153,3 +153,6 @@ package[2] += class_lines package[3] += class_br_hits package[4] += class_branches + +# +# eflag: FileType = Python2
--- a/DebugClients/Python3/coverage/collector.py Sat Apr 12 16:19:56 2014 +0200 +++ b/DebugClients/Python3/coverage/collector.py Sat Apr 12 16:57:18 2014 +0200 @@ -289,7 +289,9 @@ def stop(self): """Stop collecting trace information.""" - #print >>sys.stderr, "Stopping: %r" % self._collectors + #print("Stopping: %r" % self._collectors, file=sys.stderr) + if not self._collectors: + return assert self._collectors assert self._collectors[-1] is self
--- a/DebugClients/Python3/coverage/fullcoverage/encodings.py Sat Apr 12 16:19:56 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,57 +0,0 @@ -"""Imposter encodings module that installs a coverage-style tracer. - -This is NOT the encodings module; it is an imposter that sets up tracing -instrumentation and then replaces itself with the real encodings module. - -If the directory that holds this file is placed first in the PYTHONPATH when -using "coverage" to run Python's tests, then this file will become the very -first module imported by the internals of Python 3. It installs a -coverage-compatible trace function that can watch Standard Library modules -execute from the very earliest stages of Python's own boot process. This fixes -a problem with coverage - that it starts too late to trace the coverage of many -of the most fundamental modules in the Standard Library. - -""" - -import sys - -class FullCoverageTracer(object): - def __init__(self): - # `traces` is a list of trace events. Frames are tricky: the same - # frame object is used for a whole scope, with new line numbers - # written into it. So in one scope, all the frame objects are the - # same object, and will eventually all will point to the last line - # executed. So we keep the line numbers alongside the frames. - # The list looks like: - # - # traces = [ - # ((frame, event, arg), lineno), ... - # ] - # - self.traces = [] - - def fullcoverage_trace(self, *args): - frame, event, arg = args - self.traces.append((args, frame.f_lineno)) - return self.fullcoverage_trace - -sys.settrace(FullCoverageTracer().fullcoverage_trace) - -# In coverage/files.py is actual_filename(), which uses glob.glob. I don't -# understand why, but that use of glob borks everything if fullcoverage is in -# effect. So here we make an ugly hail-mary pass to switch off glob.glob over -# there. This means when using fullcoverage, Windows path names will not be -# their actual case. - -#sys.fullcoverage = True - -# Finally, remove our own directory from sys.path; remove ourselves from -# sys.modules; and re-import "encodings", which will be the real package -# this time. Note that the delete from sys.modules dictionary has to -# happen last, since all of the symbols in this module will become None -# at that exact moment, including "sys". - -parentdir = max(filter(__file__.startswith, sys.path), key=len) -sys.path.remove(parentdir) -del sys.modules['encodings'] -import encodings
--- a/DebugClients/Python3/coverage/tracer.c Sat Apr 12 16:19:56 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,730 +0,0 @@ -/* C-based Tracer for Coverage. */ - -#include "Python.h" -#include "compile.h" /* in 2.3, this wasn't part of Python.h */ -#include "eval.h" /* or this. */ -#include "structmember.h" -#include "frameobject.h" - -/* Compile-time debugging helpers */ -#undef WHAT_LOG /* Define to log the WHAT params in the trace function. */ -#undef TRACE_LOG /* Define to log our bookkeeping. */ -#undef COLLECT_STATS /* Collect counters: stats are printed when tracer is stopped. */ - -#if COLLECT_STATS -#define STATS(x) x -#else -#define STATS(x) -#endif - -/* Py 2.x and 3.x compatibility */ - -#ifndef Py_TYPE -#define Py_TYPE(o) (((PyObject*)(o))->ob_type) -#endif - -#if PY_MAJOR_VERSION >= 3 - -#define MyText_Type PyUnicode_Type -#define MyText_Check(o) PyUnicode_Check(o) -#define MyText_AS_BYTES(o) PyUnicode_AsASCIIString(o) -#define MyText_AS_STRING(o) PyBytes_AS_STRING(o) -#define MyInt_FromLong(l) PyLong_FromLong(l) - -#define MyType_HEAD_INIT PyVarObject_HEAD_INIT(NULL, 0) - -#else - -#define MyText_Type PyString_Type -#define MyText_Check(o) PyString_Check(o) -#define MyText_AS_BYTES(o) (Py_INCREF(o), o) -#define MyText_AS_STRING(o) PyString_AS_STRING(o) -#define MyInt_FromLong(l) PyInt_FromLong(l) - -#define MyType_HEAD_INIT PyObject_HEAD_INIT(NULL) 0, - -#endif /* Py3k */ - -/* The values returned to indicate ok or error. */ -#define RET_OK 0 -#define RET_ERROR -1 - -/* An entry on the data stack. For each call frame, we need to record the - dictionary to capture data, and the last line number executed in that - frame. -*/ -typedef struct { - PyObject * file_data; /* PyMem_Malloc'ed, a borrowed ref. */ - int last_line; -} DataStackEntry; - -/* The CTracer type. */ - -typedef struct { - PyObject_HEAD - - /* Python objects manipulated directly by the Collector class. */ - PyObject * should_trace; - PyObject * warn; - PyObject * data; - PyObject * should_trace_cache; - PyObject * arcs; - - /* Has the tracer been started? */ - int started; - /* Are we tracing arcs, or just lines? */ - int tracing_arcs; - - /* - The data stack is a stack of dictionaries. Each dictionary collects - data for a single source file. The data stack parallels the call stack: - each call pushes the new frame's file data onto the data stack, and each - return pops file data off. - - The file data is a dictionary whose form depends on the tracing options. - If tracing arcs, the keys are line number pairs. If not tracing arcs, - the keys are line numbers. In both cases, the value is irrelevant - (None). - */ - /* The index of the last-used entry in data_stack. */ - int depth; - /* The file data at each level, or NULL if not recording. */ - DataStackEntry * data_stack; - int data_stack_alloc; /* number of entries allocated at data_stack. */ - - /* The current file_data dictionary. Borrowed. */ - PyObject * cur_file_data; - - /* The line number of the last line recorded, for tracing arcs. - -1 means there was no previous line, as when entering a code object. - */ - int last_line; - - /* The parent frame for the last exception event, to fix missing returns. */ - PyFrameObject * last_exc_back; - int last_exc_firstlineno; - -#if COLLECT_STATS - struct { - unsigned int calls; - unsigned int lines; - unsigned int returns; - unsigned int exceptions; - unsigned int others; - unsigned int new_files; - unsigned int missed_returns; - unsigned int stack_reallocs; - unsigned int errors; - } stats; -#endif /* COLLECT_STATS */ -} CTracer; - -#define STACK_DELTA 100 - -static int -CTracer_init(CTracer *self, PyObject *args_unused, PyObject *kwds_unused) -{ -#if COLLECT_STATS - self->stats.calls = 0; - self->stats.lines = 0; - self->stats.returns = 0; - self->stats.exceptions = 0; - self->stats.others = 0; - self->stats.new_files = 0; - self->stats.missed_returns = 0; - self->stats.stack_reallocs = 0; - self->stats.errors = 0; -#endif /* COLLECT_STATS */ - - self->should_trace = NULL; - self->warn = NULL; - self->data = NULL; - self->should_trace_cache = NULL; - self->arcs = NULL; - - self->started = 0; - self->tracing_arcs = 0; - - self->depth = -1; - self->data_stack = PyMem_Malloc(STACK_DELTA*sizeof(DataStackEntry)); - if (self->data_stack == NULL) { - STATS( self->stats.errors++; ) - PyErr_NoMemory(); - return RET_ERROR; - } - self->data_stack_alloc = STACK_DELTA; - - self->cur_file_data = NULL; - self->last_line = -1; - - self->last_exc_back = NULL; - - return RET_OK; -} - -static void -CTracer_dealloc(CTracer *self) -{ - if (self->started) { - PyEval_SetTrace(NULL, NULL); - } - - Py_XDECREF(self->should_trace); - Py_XDECREF(self->warn); - Py_XDECREF(self->data); - Py_XDECREF(self->should_trace_cache); - - PyMem_Free(self->data_stack); - - Py_TYPE(self)->tp_free((PyObject*)self); -} - -#if TRACE_LOG -static const char * -indent(int n) -{ - static const char * spaces = - " " - " " - " " - " " - ; - return spaces + strlen(spaces) - n*2; -} - -static int logging = 0; -/* Set these constants to be a file substring and line number to start logging. */ -static const char * start_file = "tests/views"; -static int start_line = 27; - -static void -showlog(int depth, int lineno, PyObject * filename, const char * msg) -{ - if (logging) { - printf("%s%3d ", indent(depth), depth); - if (lineno) { - printf("%4d", lineno); - } - else { - printf(" "); - } - if (filename) { - PyObject *ascii = MyText_AS_BYTES(filename); - printf(" %s", MyText_AS_STRING(ascii)); - Py_DECREF(ascii); - } - if (msg) { - printf(" %s", msg); - } - printf("\n"); - } -} - -#define SHOWLOG(a,b,c,d) showlog(a,b,c,d) -#else -#define SHOWLOG(a,b,c,d) -#endif /* TRACE_LOG */ - -#if WHAT_LOG -static const char * what_sym[] = {"CALL", "EXC ", "LINE", "RET "}; -#endif - -/* Record a pair of integers in self->cur_file_data. */ -static int -CTracer_record_pair(CTracer *self, int l1, int l2) -{ - int ret = RET_OK; - - PyObject * t = Py_BuildValue("(ii)", l1, l2); - if (t != NULL) { - if (PyDict_SetItem(self->cur_file_data, t, Py_None) < 0) { - STATS( self->stats.errors++; ) - ret = RET_ERROR; - } - Py_DECREF(t); - } - else { - STATS( self->stats.errors++; ) - ret = RET_ERROR; - } - return ret; -} - -/* - * The Trace Function - */ -static int -CTracer_trace(CTracer *self, PyFrameObject *frame, int what, PyObject *arg_unused) -{ - int ret = RET_OK; - PyObject * filename = NULL; - PyObject * tracename = NULL; - #if WHAT_LOG || TRACE_LOG - PyObject * ascii = NULL; - #endif - - #if WHAT_LOG - if (what <= sizeof(what_sym)/sizeof(const char *)) { - ascii = MyText_AS_BYTES(frame->f_code->co_filename); - printf("trace: %s @ %s %d\n", what_sym[what], MyText_AS_STRING(ascii), frame->f_lineno); - Py_DECREF(ascii); - } - #endif - - #if TRACE_LOG - ascii = MyText_AS_BYTES(frame->f_code->co_filename); - if (strstr(MyText_AS_STRING(ascii), start_file) && frame->f_lineno == start_line) { - logging = 1; - } - Py_DECREF(ascii); - #endif - - /* See below for details on missing-return detection. */ - if (self->last_exc_back) { - if (frame == self->last_exc_back) { - /* Looks like someone forgot to send a return event. We'll clear - the exception state and do the RETURN code here. Notice that the - frame we have in hand here is not the correct frame for the RETURN, - that frame is gone. Our handling for RETURN doesn't need the - actual frame, but we do log it, so that will look a little off if - you're looking at the detailed log. - - If someday we need to examine the frame when doing RETURN, then - we'll need to keep more of the missed frame's state. - */ - STATS( self->stats.missed_returns++; ) - if (self->depth >= 0) { - if (self->tracing_arcs && self->cur_file_data) { - if (CTracer_record_pair(self, self->last_line, -self->last_exc_firstlineno) < 0) { - return RET_ERROR; - } - } - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "missedreturn"); - self->cur_file_data = self->data_stack[self->depth].file_data; - self->last_line = self->data_stack[self->depth].last_line; - self->depth--; - } - } - self->last_exc_back = NULL; - } - - - switch (what) { - case PyTrace_CALL: /* 0 */ - STATS( self->stats.calls++; ) - /* Grow the stack. */ - self->depth++; - if (self->depth >= self->data_stack_alloc) { - STATS( self->stats.stack_reallocs++; ) - /* We've outgrown our data_stack array: make it bigger. */ - int bigger = self->data_stack_alloc + STACK_DELTA; - DataStackEntry * bigger_data_stack = PyMem_Realloc(self->data_stack, bigger * sizeof(DataStackEntry)); - if (bigger_data_stack == NULL) { - STATS( self->stats.errors++; ) - PyErr_NoMemory(); - self->depth--; - return RET_ERROR; - } - self->data_stack = bigger_data_stack; - self->data_stack_alloc = bigger; - } - - /* Push the current state on the stack. */ - self->data_stack[self->depth].file_data = self->cur_file_data; - self->data_stack[self->depth].last_line = self->last_line; - - /* Check if we should trace this line. */ - filename = frame->f_code->co_filename; - tracename = PyDict_GetItem(self->should_trace_cache, filename); - if (tracename == NULL) { - STATS( self->stats.new_files++; ) - /* We've never considered this file before. */ - /* Ask should_trace about it. */ - PyObject * args = Py_BuildValue("(OO)", filename, frame); - tracename = PyObject_Call(self->should_trace, args, NULL); - Py_DECREF(args); - if (tracename == NULL) { - /* An error occurred inside should_trace. */ - STATS( self->stats.errors++; ) - return RET_ERROR; - } - if (PyDict_SetItem(self->should_trace_cache, filename, tracename) < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - else { - Py_INCREF(tracename); - } - - /* If tracename is a string, then we're supposed to trace. */ - if (MyText_Check(tracename)) { - PyObject * file_data = PyDict_GetItem(self->data, tracename); - if (file_data == NULL) { - file_data = PyDict_New(); - if (file_data == NULL) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - ret = PyDict_SetItem(self->data, tracename, file_data); - Py_DECREF(file_data); - if (ret < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - self->cur_file_data = file_data; - /* Make the frame right in case settrace(gettrace()) happens. */ - Py_INCREF(self); - frame->f_trace = (PyObject*)self; - SHOWLOG(self->depth, frame->f_lineno, filename, "traced"); - } - else { - self->cur_file_data = NULL; - SHOWLOG(self->depth, frame->f_lineno, filename, "skipped"); - } - - Py_DECREF(tracename); - - self->last_line = -1; - break; - - case PyTrace_RETURN: /* 3 */ - STATS( self->stats.returns++; ) - /* A near-copy of this code is above in the missing-return handler. */ - if (self->depth >= 0) { - if (self->tracing_arcs && self->cur_file_data) { - int first = frame->f_code->co_firstlineno; - if (CTracer_record_pair(self, self->last_line, -first) < 0) { - return RET_ERROR; - } - } - - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "return"); - self->cur_file_data = self->data_stack[self->depth].file_data; - self->last_line = self->data_stack[self->depth].last_line; - self->depth--; - } - break; - - case PyTrace_LINE: /* 2 */ - STATS( self->stats.lines++; ) - if (self->depth >= 0) { - SHOWLOG(self->depth, frame->f_lineno, frame->f_code->co_filename, "line"); - if (self->cur_file_data) { - /* We're tracing in this frame: record something. */ - if (self->tracing_arcs) { - /* Tracing arcs: key is (last_line,this_line). */ - if (CTracer_record_pair(self, self->last_line, frame->f_lineno) < 0) { - return RET_ERROR; - } - } - else { - /* Tracing lines: key is simply this_line. */ - PyObject * this_line = MyInt_FromLong(frame->f_lineno); - if (this_line == NULL) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - ret = PyDict_SetItem(self->cur_file_data, this_line, Py_None); - Py_DECREF(this_line); - if (ret < 0) { - STATS( self->stats.errors++; ) - return RET_ERROR; - } - } - } - self->last_line = frame->f_lineno; - } - break; - - case PyTrace_EXCEPTION: - /* Some code (Python 2.3, and pyexpat anywhere) fires an exception event - without a return event. To detect that, we'll keep a copy of the - parent frame for an exception event. If the next event is in that - frame, then we must have returned without a return event. We can - synthesize the missing event then. - - Python itself fixed this problem in 2.4. Pyexpat still has the bug. - I've reported the problem with pyexpat as http://bugs.python.org/issue6359 . - If it gets fixed, this code should still work properly. Maybe some day - the bug will be fixed everywhere coverage.py is supported, and we can - remove this missing-return detection. - - More about this fix: http://nedbatchelder.com/blog/200907/a_nasty_little_bug.html - */ - STATS( self->stats.exceptions++; ) - self->last_exc_back = frame->f_back; - self->last_exc_firstlineno = frame->f_code->co_firstlineno; - break; - - default: - STATS( self->stats.others++; ) - break; - } - - return RET_OK; -} - -/* - * Python has two ways to set the trace function: sys.settrace(fn), which - * takes a Python callable, and PyEval_SetTrace(func, obj), which takes - * a C function and a Python object. The way these work together is that - * sys.settrace(pyfn) calls PyEval_SetTrace(builtin_func, pyfn), using the - * Python callable as the object in PyEval_SetTrace. So sys.gettrace() - * simply returns the Python object used as the second argument to - * PyEval_SetTrace. So sys.gettrace() will return our self parameter, which - * means it must be callable to be used in sys.settrace(). - * - * So we make our self callable, equivalent to invoking our trace function. - * - * To help with the process of replaying stored frames, this function has an - * optional keyword argument: - * - * def CTracer_call(frame, event, arg, lineno=0) - * - * If provided, the lineno argument is used as the line number, and the - * frame's f_lineno member is ignored. - */ -static PyObject * -CTracer_call(CTracer *self, PyObject *args, PyObject *kwds) -{ - PyFrameObject *frame; - PyObject *what_str; - PyObject *arg; - int lineno = 0; - int what; - int orig_lineno; - PyObject *ret = NULL; - - static char *what_names[] = { - "call", "exception", "line", "return", - "c_call", "c_exception", "c_return", - NULL - }; - - #if WHAT_LOG - printf("pytrace\n"); - #endif - - static char *kwlist[] = {"frame", "event", "arg", "lineno", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!O!O|i:Tracer_call", kwlist, - &PyFrame_Type, &frame, &MyText_Type, &what_str, &arg, &lineno)) { - goto done; - } - - /* In Python, the what argument is a string, we need to find an int - for the C function. */ - for (what = 0; what_names[what]; what++) { - PyObject *ascii = MyText_AS_BYTES(what_str); - int should_break = !strcmp(MyText_AS_STRING(ascii), what_names[what]); - Py_DECREF(ascii); - if (should_break) { - break; - } - } - - /* Save off the frame's lineno, and use the forced one, if provided. */ - orig_lineno = frame->f_lineno; - if (lineno > 0) { - frame->f_lineno = lineno; - } - - /* Invoke the C function, and return ourselves. */ - if (CTracer_trace(self, frame, what, arg) == RET_OK) { - Py_INCREF(self); - ret = (PyObject *)self; - } - - /* Clean up. */ - frame->f_lineno = orig_lineno; - -done: - return ret; -} - -static PyObject * -CTracer_start(CTracer *self, PyObject *args_unused) -{ - PyEval_SetTrace((Py_tracefunc)CTracer_trace, (PyObject*)self); - self->started = 1; - self->tracing_arcs = self->arcs && PyObject_IsTrue(self->arcs); - self->last_line = -1; - - /* start() returns a trace function usable with sys.settrace() */ - Py_INCREF(self); - return (PyObject *)self; -} - -static PyObject * -CTracer_stop(CTracer *self, PyObject *args_unused) -{ - if (self->started) { - PyEval_SetTrace(NULL, NULL); - self->started = 0; - } - - return Py_BuildValue(""); -} - -static PyObject * -CTracer_get_stats(CTracer *self) -{ -#if COLLECT_STATS - return Py_BuildValue( - "{sI,sI,sI,sI,sI,sI,sI,sI,si,sI}", - "calls", self->stats.calls, - "lines", self->stats.lines, - "returns", self->stats.returns, - "exceptions", self->stats.exceptions, - "others", self->stats.others, - "new_files", self->stats.new_files, - "missed_returns", self->stats.missed_returns, - "stack_reallocs", self->stats.stack_reallocs, - "stack_alloc", self->data_stack_alloc, - "errors", self->stats.errors - ); -#else - return Py_BuildValue(""); -#endif /* COLLECT_STATS */ -} - -static PyMemberDef -CTracer_members[] = { - { "should_trace", T_OBJECT, offsetof(CTracer, should_trace), 0, - PyDoc_STR("Function indicating whether to trace a file.") }, - - { "warn", T_OBJECT, offsetof(CTracer, warn), 0, - PyDoc_STR("Function for issuing warnings.") }, - - { "data", T_OBJECT, offsetof(CTracer, data), 0, - PyDoc_STR("The raw dictionary of trace data.") }, - - { "should_trace_cache", T_OBJECT, offsetof(CTracer, should_trace_cache), 0, - PyDoc_STR("Dictionary caching should_trace results.") }, - - { "arcs", T_OBJECT, offsetof(CTracer, arcs), 0, - PyDoc_STR("Should we trace arcs, or just lines?") }, - - { NULL } -}; - -static PyMethodDef -CTracer_methods[] = { - { "start", (PyCFunction) CTracer_start, METH_VARARGS, - PyDoc_STR("Start the tracer") }, - - { "stop", (PyCFunction) CTracer_stop, METH_VARARGS, - PyDoc_STR("Stop the tracer") }, - - { "get_stats", (PyCFunction) CTracer_get_stats, METH_VARARGS, - PyDoc_STR("Get statistics about the tracing") }, - - { NULL } -}; - -static PyTypeObject -CTracerType = { - MyType_HEAD_INIT - "coverage.CTracer", /*tp_name*/ - sizeof(CTracer), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)CTracer_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - (ternaryfunc)CTracer_call, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ - "CTracer objects", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - CTracer_methods, /* tp_methods */ - CTracer_members, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)CTracer_init, /* tp_init */ - 0, /* tp_alloc */ - 0, /* tp_new */ -}; - -/* Module definition */ - -#define MODULE_DOC PyDoc_STR("Fast coverage tracer.") - -#if PY_MAJOR_VERSION >= 3 - -static PyModuleDef -moduledef = { - PyModuleDef_HEAD_INIT, - "coverage.tracer", - MODULE_DOC, - -1, - NULL, /* methods */ - NULL, - NULL, /* traverse */ - NULL, /* clear */ - NULL -}; - - -PyObject * -PyInit_tracer(void) -{ - PyObject * mod = PyModule_Create(&moduledef); - if (mod == NULL) { - return NULL; - } - - CTracerType.tp_new = PyType_GenericNew; - if (PyType_Ready(&CTracerType) < 0) { - Py_DECREF(mod); - return NULL; - } - - Py_INCREF(&CTracerType); - PyModule_AddObject(mod, "CTracer", (PyObject *)&CTracerType); - - return mod; -} - -#else - -void -inittracer(void) -{ - PyObject * mod; - - mod = Py_InitModule3("coverage.tracer", NULL, MODULE_DOC); - if (mod == NULL) { - return; - } - - CTracerType.tp_new = PyType_GenericNew; - if (PyType_Ready(&CTracerType) < 0) { - return; - } - - Py_INCREF(&CTracerType); - PyModule_AddObject(mod, "CTracer", (PyObject *)&CTracerType); -} - -#endif /* Py3k */
--- a/eric5.e4p Sat Apr 12 16:19:56 2014 +0200 +++ b/eric5.e4p Sat Apr 12 16:57:18 2014 +0200 @@ -1,7 +1,6 @@ <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE Project SYSTEM "Project-5.1.dtd"> <!-- eric5 project file for project eric5 --> -<!-- Saved: 2014-04-10, 22:54:10 --> <Project version="5.1"> <Language>en_US</Language> <ProjectWordList>Dictionaries/words.dic</ProjectWordList>