Author: Armin Rigo <[email protected]>
Branch: rpython-error-to-systemerror
Changeset: r88163:9ceb823c232b
Date: 2016-11-06 20:06 +0100
http://bitbucket.org/pypy/pypy/changeset/9ceb823c232b/
Log: Dump the RPython-level traceback up to the point where we caught it
diff --git a/pypy/interpreter/baseobjspace.py b/pypy/interpreter/baseobjspace.py
--- a/pypy/interpreter/baseobjspace.py
+++ b/pypy/interpreter/baseobjspace.py
@@ -3,7 +3,7 @@
from rpython.rlib.cache import Cache
from rpython.tool.uid import HUGEVAL_BYTES
from rpython.rlib import jit, types
-from rpython.rlib.debug import make_sure_not_resized
+from rpython.rlib.debug import make_sure_not_resized, debug_print_traceback
from rpython.rlib.objectmodel import (we_are_translated, newlist_hint,
compute_unique_id, specialize)
from rpython.rlib.signature import signature
@@ -1852,7 +1852,8 @@
def _convert_unexpected_exception(self, e):
if we_are_translated():
- extra = ''
+ debug_print_traceback()
+ extra = '; internal traceback was dumped to stderr'
else:
extra = self._convert_unexpected_exception_extra(e)
raise OperationError(self.w_SystemError, self.wrap(
diff --git a/rpython/rlib/debug.py b/rpython/rlib/debug.py
--- a/rpython/rlib/debug.py
+++ b/rpython/rlib/debug.py
@@ -11,7 +11,7 @@
# Expose these here (public interface)
from rpython.rtyper.debug import (
- ll_assert, FatalError, fatalerror, fatalerror_notb)
+ ll_assert, FatalError, fatalerror, fatalerror_notb, debug_print_traceback)
class DebugLog(list):
diff --git a/rpython/rlib/test/test_debug.py b/rpython/rlib/test/test_debug.py
--- a/rpython/rlib/test/test_debug.py
+++ b/rpython/rlib/test/test_debug.py
@@ -118,3 +118,30 @@
finally:
debug._log = None
assert dlog == [("mycat", [('debug_print', 'foo', 2, 'bar', 3)])]
+
+
+def test_debug_print_traceback():
+ from rpython.translator.c.test.test_genc import compile
+ from rpython.rtyper.lltypesystem import lltype
+ from rpython.rtyper.lltypesystem.lloperation import llop
+
+ def ggg(n):
+ if n < 10:
+ ggg(n + 1)
+ else:
+ raise ValueError
+ def recovery():
+ llop.debug_print_traceback(lltype.Void)
+ recovery._dont_inline_ = True
+ def fff():
+ try:
+ ggg(0)
+ except:
+ recovery()
+
+ fn = compile(fff, [], return_stderr=True)
+ stderr = fn()
+ assert 'RPython traceback:\n' in stderr
+ assert stderr.count('entry_point') == 1
+ assert stderr.count('ggg') == 11
+ assert stderr.count('recovery') == 0
diff --git a/rpython/rtyper/debug.py b/rpython/rtyper/debug.py
--- a/rpython/rtyper/debug.py
+++ b/rpython/rtyper/debug.py
@@ -45,3 +45,12 @@
fatalerror_notb._dont_inline_ = True
fatalerror_notb._jit_look_inside_ = False
fatalerror_notb._annenforceargs_ = [str]
+
+def debug_print_traceback():
+ # print to stderr the RPython traceback of the last caught exception,
+ # but without interrupting the program
+ from rpython.rtyper.lltypesystem import lltype
+ from rpython.rtyper.lltypesystem.lloperation import llop
+ llop.debug_print_traceback(lltype.Void)
+debug_print_traceback._dont_inline_ = True
+debug_print_traceback._jit_look_inside_ = False
diff --git a/rpython/translator/c/test/test_genc.py
b/rpython/translator/c/test/test_genc.py
--- a/rpython/translator/c/test/test_genc.py
+++ b/rpython/translator/c/test/test_genc.py
@@ -53,7 +53,8 @@
unsigned_ffffffff)
def compile(fn, argtypes, view=False, gcpolicy="none", backendopt=True,
- annotatorpolicy=None, thread=False, **kwds):
+ annotatorpolicy=None, thread=False,
+ return_stderr=False, **kwds):
argtypes_unroll = unrolling_iterable(enumerate(argtypes))
for argtype in argtypes:
@@ -139,7 +140,8 @@
stdout = t.driver.cbuilder.cmdexec(
" ".join([llrepr_in(arg) for arg in args]),
- expect_crash=(expected_exception_name is not None))
+ expect_crash=(expected_exception_name is not None),
+ err=return_stderr)
#
if expected_exception_name is not None:
stdout, stderr = stdout
@@ -154,6 +156,8 @@
assert lastline == expected or prevline == expected
return None
+ if return_stderr:
+ stdout, stderr = stdout
output(stdout)
stdout, lastline, empty = stdout.rsplit('\n', 2)
assert empty == ''
@@ -168,6 +172,8 @@
else:
assert mallocs - frees in expected_extra_mallocs
#
+ if return_stderr:
+ return stderr
if ll_res in [lltype.Signed, lltype.Unsigned, lltype.SignedLongLong,
lltype.UnsignedLongLong]:
return int(res)
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