cpython-lru_cache-weakref: Tools/gdb/libpython.py annotate

annotate Tools/gdb/libpython.py @ 87427:752db82b7933 3.3

Issue #19308: fix the gdb plugin on gdbs linked with Python 3

author	Antoine Pitrou <solipsis@pitrou.net>
date	Sat, 23 Nov 2013 17:40:36 +0100
parents	6c0f5af2f5a5
children	f5a626f762f6

rev	line source
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1 #!/usr/bin/python
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	2 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	3 From gdb 7 onwards, gdb's build can be configured --with-python, allowing gdb
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	4 to be extended with Python code e.g. for library-specific data visualizations,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	5 such as for the C++ STL types. Documentation on this API can be seen at:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	6 http://sourceware.org/gdb/current/onlinedocs/gdb/Python-API.html
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	7
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	8
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	9 This python module deals with the case when the process being debugged (the
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	10 "inferior process" in gdb parlance) is itself python, or more specifically,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	11 linked against libpython. In this situation, almost every item of data is a
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	12 (PyObject*), and having the debugger merely print their addresses is not very
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	13 enlightening.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	14
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	15 This module embeds knowledge about the implementation details of libpython so
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	16 that we can emit useful visualizations e.g. a string, a list, a dict, a frame
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	17 giving file/line information and the state of local variables
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	18
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	19 In particular, given a gdb.Value corresponding to a PyObject* in the inferior
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	20 process, we can generate a "proxy value" within the gdb process. For example,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	21 given a PyObject* in the inferior process that is in fact a PyListObject*
60812 6d836b10e370 Adapt libpython.py and test_gdb.py to Python3 Victor Stinner <victor.stinner@haypocalc.com> parents: 60803 diff changeset	22 holding three PyObject* that turn out to be PyBytesObject* instances, we can
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	23 generate a proxy value within the gdb process that is a list of bytes
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	24 instances:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	25 [b"foo", b"bar", b"baz"]
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	26
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	27 Doing so can be expensive for complicated graphs of objects, and could take
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	28 some time, so we also have a "write_repr" method that writes a representation
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	29 of the data to a file-like object. This allows us to stop the traversal by
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	30 having the file-like object raise an exception if it gets too much data.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	31
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	32 With both "proxyval" and "write_repr" we keep track of the set of all addresses
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	33 visited so far in the traversal, to avoid infinite recursion due to cycles in
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	34 the graph of object references.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	35
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	36 We try to defer gdb.lookup_type() invocations for python types until as late as
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	37 possible: for a dynamically linked python binary, when the process starts in
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	38 the debugger, the libpython.so hasn't been dynamically loaded yet, so none of
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	39 the type names are known to the debugger
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	40
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	41 The module also extends gdb with some python-specific commands.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	42 '''
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	43
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	44 # NOTE: some gdbs are linked with Python 3, so this file should be dual-syntax
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	45 # compatible (2.6+ and 3.0+). See #19308.
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	46
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	47 from __future__ import print_function, with_statement
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	48 import gdb
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	49 import os
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	50 import locale
63012 d30b9dffb86d #9235: fix missing import of sys. Georg Brandl <georg@python.org> parents: 63011 diff changeset	51 import sys
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	52
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	53 if sys.version_info[0] >= 3:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	54 unichr = chr
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	55 xrange = range
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	56 long = int
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	57
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	58 # Look up the gdb.Type for some standard types:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	59 _type_char_ptr = gdb.lookup_type('char').pointer() # char*
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	60 _type_unsigned_char_ptr = gdb.lookup_type('unsigned char').pointer() # unsigned char*
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	61 _type_void_ptr = gdb.lookup_type('void').pointer() # void*
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	62 _type_unsigned_short_ptr = gdb.lookup_type('unsigned short').pointer()
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	63 _type_unsigned_int_ptr = gdb.lookup_type('unsigned int').pointer()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	64
73885 50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	65 # value computed later, see PyUnicodeObjectPtr.proxy()
50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	66 _is_pep393 = None
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	67
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	68 SIZEOF_VOID_P = _type_void_ptr.sizeof
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	69
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	70
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	71 Py_TPFLAGS_HEAPTYPE = (1 << 9)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	72
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	73 Py_TPFLAGS_LONG_SUBCLASS = (1 << 24)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	74 Py_TPFLAGS_LIST_SUBCLASS = (1 << 25)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	75 Py_TPFLAGS_TUPLE_SUBCLASS = (1 << 26)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	76 Py_TPFLAGS_BYTES_SUBCLASS = (1 << 27)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	77 Py_TPFLAGS_UNICODE_SUBCLASS = (1 << 28)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	78 Py_TPFLAGS_DICT_SUBCLASS = (1 << 29)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	79 Py_TPFLAGS_BASE_EXC_SUBCLASS = (1 << 30)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	80 Py_TPFLAGS_TYPE_SUBCLASS = (1 << 31)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	81
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	82
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	83 MAX_OUTPUT_LEN=1024
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	84
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	85 hexdigits = "0123456789abcdef"
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	86
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	87 ENCODING = locale.getpreferredencoding()
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	88
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	89 class NullPyObjectPtr(RuntimeError):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	90 pass
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	91
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	92
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	93 def safety_limit(val):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	94 # Given a integer value from the process being debugged, limit it to some
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	95 # safety threshold so that arbitrary breakage within said process doesn't
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	96 # break the gdb process too much (e.g. sizes of iterations, sizes of lists)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	97 return min(val, 1000)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	98
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	99
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	100 def safe_range(val):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	101 # As per range, but don't trust the value too much: cap it to a safety
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	102 # threshold in case the data was corrupted
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	103 return xrange(safety_limit(int(val)))
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	104
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	105 if sys.version_info[0] >= 3:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	106 def write_unicode(file, text):
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	107 file.write(text)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	108 else:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	109 def write_unicode(file, text):
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	110 # Write a byte or unicode string to file. Unicode strings are encoded to
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	111 # ENCODING encoding with 'backslashreplace' error handler to avoid
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	112 # UnicodeEncodeError.
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	113 if isinstance(text, unicode):
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	114 text = text.encode(ENCODING, 'backslashreplace')
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	115 file.write(text)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	116
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	117 try:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	118 os_fsencode = os.fsencode
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	119 except ImportError:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	120 def os_fsencode(filename):
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	121 if not isinstance(filename, unicode):
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	122 return filename
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	123 encoding = sys.getfilesystemencoding()
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	124 if encoding == 'mbcs':
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	125 # mbcs doesn't support surrogateescape
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	126 return filename.encode(encoding)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	127 encoded = []
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	128 for char in filename:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	129 # surrogateescape error handler
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	130 if 0xDC80 <= ord(char) <= 0xDCFF:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	131 byte = chr(ord(char) - 0xDC00)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	132 else:
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	133 byte = char.encode(encoding)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	134 encoded.append(byte)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	135 return ''.join(encoded)
65485 023b41376290 libpython: implementation of os.fsencode() with surrogateescape error handler Victor Stinner <victor.stinner@haypocalc.com> parents: 64573 diff changeset	136
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	137 class StringTruncated(RuntimeError):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	138 pass
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	139
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	140 class TruncatedStringIO(object):
85441 6c0f5af2f5a5 Issue #18743: Fix references to non-existant "StringIO" module Serhiy Storchaka <storchaka@gmail.com> parents: 85406 diff changeset	141 '''Similar to io.StringIO, but can truncate the output by raising a
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	142 StringTruncated exception'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	143 def __init__(self, maxlen=None):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	144 self._val = ''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	145 self.maxlen = maxlen
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	146
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	147 def write(self, data):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	148 if self.maxlen:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	149 if len(data) + len(self._val) > self.maxlen:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	150 # Truncation:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	151 self._val += data[0:self.maxlen - len(self._val)]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	152 raise StringTruncated()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	153
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	154 self._val += data
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	155
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	156 def getvalue(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	157 return self._val
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	158
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	159 class PyObjectPtr(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	160 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	161 Class wrapping a gdb.Value that's a either a (PyObject*) within the
60812 6d836b10e370 Adapt libpython.py and test_gdb.py to Python3 Victor Stinner <victor.stinner@haypocalc.com> parents: 60803 diff changeset	162 inferior process, or some subclass pointer e.g. (PyBytesObject*)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	163
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	164 There will be a subclass for every refined PyObject type that we care
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	165 about.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	166
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	167 Note that at every stage the underlying pointer could be NULL, point
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	168 to corrupt data, etc; this is the debugger, after all.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	169 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	170 _typename = 'PyObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	171
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	172 def __init__(self, gdbval, cast_to=None):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	173 if cast_to:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	174 self._gdbval = gdbval.cast(cast_to)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	175 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	176 self._gdbval = gdbval
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	177
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	178 def field(self, name):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	179 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	180 Get the gdb.Value for the given field within the PyObject, coping with
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	181 some python 2 versus python 3 differences.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	182
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	183 Various libpython types are defined using the "PyObject_HEAD" and
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	184 "PyObject_VAR_HEAD" macros.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	185
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	186 In Python 2, this these are defined so that "ob_type" and (for a var
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	187 object) "ob_size" are fields of the type in question.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	188
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	189 In Python 3, this is defined as an embedded PyVarObject type thus:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	190 PyVarObject ob_base;
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	191 so that the "ob_size" field is located insize the "ob_base" field, and
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	192 the "ob_type" is most easily accessed by casting back to a (PyObject*).
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	193 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	194 if self.is_null():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	195 raise NullPyObjectPtr(self)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	196
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	197 if name == 'ob_type':
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	198 pyo_ptr = self._gdbval.cast(PyObjectPtr.get_gdb_type())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	199 return pyo_ptr.dereference()[name]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	200
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	201 if name == 'ob_size':
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	202 pyo_ptr = self._gdbval.cast(PyVarObjectPtr.get_gdb_type())
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	203 return pyo_ptr.dereference()[name]
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	204
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	205 # General case: look it up inside the object:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	206 return self._gdbval.dereference()[name]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	207
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	208 def pyop_field(self, name):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	209 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	210 Get a PyObjectPtr for the given PyObject* field within this PyObject,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	211 coping with some python 2 versus python 3 differences.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	212 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	213 return PyObjectPtr.from_pyobject_ptr(self.field(name))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	214
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	215 def write_field_repr(self, name, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	216 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	217 Extract the PyObject* field named "name", and write its representation
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	218 to file-like object "out"
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	219 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	220 field_obj = self.pyop_field(name)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	221 field_obj.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	222
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	223 def get_truncated_repr(self, maxlen):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	224 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	225 Get a repr-like string for the data, but truncate it at "maxlen" bytes
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	226 (ending the object graph traversal as soon as you do)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	227 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	228 out = TruncatedStringIO(maxlen)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	229 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	230 self.write_repr(out, set())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	231 except StringTruncated:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	232 # Truncation occurred:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	233 return out.getvalue() + '...(truncated)'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	234
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	235 # No truncation occurred:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	236 return out.getvalue()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	237
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	238 def type(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	239 return PyTypeObjectPtr(self.field('ob_type'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	240
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	241 def is_null(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	242 return 0 == long(self._gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	243
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	244 def is_optimized_out(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	245 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	246 Is the value of the underlying PyObject* visible to the debugger?
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	247
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	248 This can vary with the precise version of the compiler used to build
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	249 Python, and the precise version of gdb.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	250
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	251 See e.g. https://bugzilla.redhat.com/show_bug.cgi?id=556975 with
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	252 PyEval_EvalFrameEx's "f"
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	253 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	254 return self._gdbval.is_optimized_out
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	255
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	256 def safe_tp_name(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	257 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	258 return self.type().field('tp_name').string()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	259 except NullPyObjectPtr:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	260 # NULL tp_name?
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	261 return 'unknown'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	262 except RuntimeError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	263 # Can't even read the object at all?
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	264 return 'unknown'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	265
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	266 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	267 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	268 Scrape a value from the inferior process, and try to represent it
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	269 within the gdb process, whilst (hopefully) avoiding crashes when
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	270 the remote data is corrupt.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	271
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	272 Derived classes will override this.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	273
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	274 For example, a PyIntObject* with ob_ival 42 in the inferior process
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	275 should result in an int(42) in this process.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	276
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	277 visited: a set of all gdb.Value pyobject pointers already visited
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	278 whilst generating this value (to guard against infinite recursion when
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	279 visiting object graphs with loops). Analogous to Py_ReprEnter and
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	280 Py_ReprLeave
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	281 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	282
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	283 class FakeRepr(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	284 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	285 Class representing a non-descript PyObject* value in the inferior
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	286 process for when we don't have a custom scraper, intended to have
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	287 a sane repr().
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	288 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	289
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	290 def __init__(self, tp_name, address):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	291 self.tp_name = tp_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	292 self.address = address
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	293
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	294 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	295 # For the NULL pointer, we have no way of knowing a type, so
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	296 # special-case it as per
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	297 # http://bugs.python.org/issue8032#msg100882
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	298 if self.address == 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	299 return '0x0'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	300 return '<%s at remote 0x%x>' % (self.tp_name, self.address)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	301
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	302 return FakeRepr(self.safe_tp_name(),
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	303 long(self._gdbval))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	304
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	305 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	306 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	307 Write a string representation of the value scraped from the inferior
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	308 process to "out", a file-like object.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	309 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	310 # Default implementation: generate a proxy value and write its repr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	311 # However, this could involve a lot of work for complicated objects,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	312 # so for derived classes we specialize this
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	313 return out.write(repr(self.proxyval(visited)))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	314
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	315 @classmethod
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	316 def subclass_from_type(cls, t):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	317 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	318 Given a PyTypeObjectPtr instance wrapping a gdb.Value that's a
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	319 (PyTypeObject*), determine the corresponding subclass of PyObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	320 to use
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	321
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	322 Ideally, we would look up the symbols for the global types, but that
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	323 isn't working yet:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	324 (gdb) python print gdb.lookup_symbol('PyList_Type')[0].value
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	325 Traceback (most recent call last):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	326 File "<string>", line 1, in <module>
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	327 NotImplementedError: Symbol type not yet supported in Python scripts.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	328 Error while executing Python code.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	329
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	330 For now, we use tp_flags, after doing some string comparisons on the
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	331 tp_name for some special-cases that don't seem to be visible through
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	332 flags
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	333 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	334 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	335 tp_name = t.field('tp_name').string()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	336 tp_flags = int(t.field('tp_flags'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	337 except RuntimeError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	338 # Handle any kind of error e.g. NULL ptrs by simply using the base
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	339 # class
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	340 return cls
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	341
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	342 #print('tp_flags = 0x%08x' % tp_flags)
752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	343 #print('tp_name = %r' % tp_name)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	344
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	345 name_map = {'bool': PyBoolObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	346 'classobj': PyClassObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	347 'NoneType': PyNoneStructPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	348 'frame': PyFrameObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	349 'set' : PySetObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	350 'frozenset' : PySetObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	351 'builtin_function_or_method' : PyCFunctionObjectPtr,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	352 }
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	353 if tp_name in name_map:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	354 return name_map[tp_name]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	355
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	356 if tp_flags & Py_TPFLAGS_HEAPTYPE:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	357 return HeapTypeObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	358
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	359 if tp_flags & Py_TPFLAGS_LONG_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	360 return PyLongObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	361 if tp_flags & Py_TPFLAGS_LIST_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	362 return PyListObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	363 if tp_flags & Py_TPFLAGS_TUPLE_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	364 return PyTupleObjectPtr
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	365 if tp_flags & Py_TPFLAGS_BYTES_SUBCLASS:
60812 6d836b10e370 Adapt libpython.py and test_gdb.py to Python3 Victor Stinner <victor.stinner@haypocalc.com> parents: 60803 diff changeset	366 return PyBytesObjectPtr
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	367 if tp_flags & Py_TPFLAGS_UNICODE_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	368 return PyUnicodeObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	369 if tp_flags & Py_TPFLAGS_DICT_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	370 return PyDictObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	371 if tp_flags & Py_TPFLAGS_BASE_EXC_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	372 return PyBaseExceptionObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	373 #if tp_flags & Py_TPFLAGS_TYPE_SUBCLASS:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	374 # return PyTypeObjectPtr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	375
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	376 # Use the base class:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	377 return cls
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	378
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	379 @classmethod
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	380 def from_pyobject_ptr(cls, gdbval):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	381 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	382 Try to locate the appropriate derived class dynamically, and cast
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	383 the pointer accordingly.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	384 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	385 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	386 p = PyObjectPtr(gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	387 cls = cls.subclass_from_type(p.type())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	388 return cls(gdbval, cast_to=cls.get_gdb_type())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	389 except RuntimeError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	390 # Handle any kind of error e.g. NULL ptrs by simply using the base
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	391 # class
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	392 pass
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	393 return cls(gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	394
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	395 @classmethod
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	396 def get_gdb_type(cls):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	397 return gdb.lookup_type(cls._typename).pointer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	398
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	399 def as_address(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	400 return long(self._gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	401
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	402 class PyVarObjectPtr(PyObjectPtr):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	403 _typename = 'PyVarObject'
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	404
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	405 class ProxyAlreadyVisited(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	406 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	407 Placeholder proxy to use when protecting against infinite recursion due to
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	408 loops in the object graph.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	409
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	410 Analogous to the values emitted by the users of Py_ReprEnter and Py_ReprLeave
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	411 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	412 def __init__(self, rep):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	413 self._rep = rep
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	414
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	415 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	416 return self._rep
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	417
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	418
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	419 def _write_instance_repr(out, visited, name, pyop_attrdict, address):
73949 021e5bb297d1 Issue #13575: there is only one class type. Florent Xicluna <florent.xicluna@gmail.com> parents: 73885 diff changeset	420 '''Shared code for use by all classes:
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	421 write a representation to file-like object "out"'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	422 out.write('<')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	423 out.write(name)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	424
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	425 # Write dictionary of instance attributes:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	426 if isinstance(pyop_attrdict, PyDictObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	427 out.write('(')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	428 first = True
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	429 for pyop_arg, pyop_val in pyop_attrdict.iteritems():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	430 if not first:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	431 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	432 first = False
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	433 out.write(pyop_arg.proxyval(visited))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	434 out.write('=')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	435 pyop_val.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	436 out.write(')')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	437 out.write(' at remote 0x%x>' % address)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	438
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	439
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	440 class InstanceProxy(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	441
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	442 def __init__(self, cl_name, attrdict, address):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	443 self.cl_name = cl_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	444 self.attrdict = attrdict
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	445 self.address = address
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	446
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	447 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	448 if isinstance(self.attrdict, dict):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	449 kwargs = ', '.join(["%s=%r" % (arg, val)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	450 for arg, val in self.attrdict.iteritems()])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	451 return '<%s(%s) at remote 0x%x>' % (self.cl_name,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	452 kwargs, self.address)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	453 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	454 return '<%s at remote 0x%x>' % (self.cl_name,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	455 self.address)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	456
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	457 def _PyObject_VAR_SIZE(typeobj, nitems):
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	458 if _PyObject_VAR_SIZE._type_size_t is None:
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	459 _PyObject_VAR_SIZE._type_size_t = gdb.lookup_type('size_t')
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	460
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	461 return ( ( typeobj.field('tp_basicsize') +
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	462 nitems * typeobj.field('tp_itemsize') +
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	463 (SIZEOF_VOID_P - 1)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	464 ) & ~(SIZEOF_VOID_P - 1)
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	465 ).cast(_PyObject_VAR_SIZE._type_size_t)
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	466 _PyObject_VAR_SIZE._type_size_t = None
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	467
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	468 class HeapTypeObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	469 _typename = 'PyObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	470
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	471 def get_attr_dict(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	472 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	473 Get the PyDictObject ptr representing the attribute dictionary
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	474 (or None if there's a problem)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	475 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	476 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	477 typeobj = self.type()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	478 dictoffset = int_from_int(typeobj.field('tp_dictoffset'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	479 if dictoffset != 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	480 if dictoffset < 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	481 type_PyVarObject_ptr = gdb.lookup_type('PyVarObject').pointer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	482 tsize = int_from_int(self._gdbval.cast(type_PyVarObject_ptr)['ob_size'])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	483 if tsize < 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	484 tsize = -tsize
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	485 size = _PyObject_VAR_SIZE(typeobj, tsize)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	486 dictoffset += size
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	487 assert dictoffset > 0
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	488 assert dictoffset % SIZEOF_VOID_P == 0
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	489
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	490 dictptr = self._gdbval.cast(_type_char_ptr) + dictoffset
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	491 PyObjectPtrPtr = PyObjectPtr.get_gdb_type().pointer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	492 dictptr = dictptr.cast(PyObjectPtrPtr)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	493 return PyObjectPtr.from_pyobject_ptr(dictptr.dereference())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	494 except RuntimeError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	495 # Corrupt data somewhere; fail safe
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	496 pass
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	497
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	498 # Not found, or some kind of error:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	499 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	500
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	501 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	502 '''
73949 021e5bb297d1 Issue #13575: there is only one class type. Florent Xicluna <florent.xicluna@gmail.com> parents: 73885 diff changeset	503 Support for classes.
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	504
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	505 Currently we just locate the dictionary using a transliteration to
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	506 python of _PyObject_GetDictPtr, ignoring descriptors
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	507 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	508 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	509 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	510 return ProxyAlreadyVisited('<...>')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	511 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	512
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	513 pyop_attr_dict = self.get_attr_dict()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	514 if pyop_attr_dict:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	515 attr_dict = pyop_attr_dict.proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	516 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	517 attr_dict = {}
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	518 tp_name = self.safe_tp_name()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	519
73949 021e5bb297d1 Issue #13575: there is only one class type. Florent Xicluna <florent.xicluna@gmail.com> parents: 73885 diff changeset	520 # Class:
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	521 return InstanceProxy(tp_name, attr_dict, long(self._gdbval))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	522
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	523 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	524 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	525 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	526 out.write('<...>')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	527 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	528 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	529
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	530 pyop_attrdict = self.get_attr_dict()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	531 _write_instance_repr(out, visited,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	532 self.safe_tp_name(), pyop_attrdict, self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	533
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	534 class ProxyException(Exception):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	535 def __init__(self, tp_name, args):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	536 self.tp_name = tp_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	537 self.args = args
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	538
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	539 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	540 return '%s%r' % (self.tp_name, self.args)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	541
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	542 class PyBaseExceptionObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	543 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	544 Class wrapping a gdb.Value that's a PyBaseExceptionObject* i.e. an exception
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	545 within the process being debugged.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	546 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	547 _typename = 'PyBaseExceptionObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	548
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	549 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	550 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	551 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	552 return ProxyAlreadyVisited('(...)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	553 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	554 arg_proxy = self.pyop_field('args').proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	555 return ProxyException(self.safe_tp_name(),
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	556 arg_proxy)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	557
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	558 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	559 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	560 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	561 out.write('(...)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	562 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	563 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	564
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	565 out.write(self.safe_tp_name())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	566 self.write_field_repr('args', out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	567
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	568 class PyClassObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	569 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	570 Class wrapping a gdb.Value that's a PyClassObject* i.e. a <classobj>
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	571 instance within the process being debugged.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	572 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	573 _typename = 'PyClassObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	574
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	575
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	576 class BuiltInFunctionProxy(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	577 def __init__(self, ml_name):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	578 self.ml_name = ml_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	579
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	580 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	581 return "<built-in function %s>" % self.ml_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	582
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	583 class BuiltInMethodProxy(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	584 def __init__(self, ml_name, pyop_m_self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	585 self.ml_name = ml_name
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	586 self.pyop_m_self = pyop_m_self
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	587
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	588 def __repr__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	589 return ('<built-in method %s of %s object at remote 0x%x>'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	590 % (self.ml_name,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	591 self.pyop_m_self.safe_tp_name(),
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	592 self.pyop_m_self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	593 )
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	594
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	595 class PyCFunctionObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	596 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	597 Class wrapping a gdb.Value that's a PyCFunctionObject*
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	598 (see Include/methodobject.h and Objects/methodobject.c)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	599 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	600 _typename = 'PyCFunctionObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	601
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	602 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	603 m_ml = self.field('m_ml') # m_ml is a (PyMethodDef*)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	604 ml_name = m_ml['ml_name'].string()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	605
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	606 pyop_m_self = self.pyop_field('m_self')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	607 if pyop_m_self.is_null():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	608 return BuiltInFunctionProxy(ml_name)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	609 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	610 return BuiltInMethodProxy(ml_name, pyop_m_self)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	611
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	612
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	613 class PyCodeObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	614 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	615 Class wrapping a gdb.Value that's a PyCodeObject* i.e. a <code> instance
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	616 within the process being debugged.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	617 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	618 _typename = 'PyCodeObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	619
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	620 def addr2line(self, addrq):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	621 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	622 Get the line number for a given bytecode offset
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	623
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	624 Analogous to PyCode_Addr2Line; translated from pseudocode in
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	625 Objects/lnotab_notes.txt
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	626 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	627 co_lnotab = self.pyop_field('co_lnotab').proxyval(set())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	628
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	629 # Initialize lineno to co_firstlineno as per PyCode_Addr2Line
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	630 # not 0, as lnotab_notes.txt has it:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	631 lineno = int_from_int(self.field('co_firstlineno'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	632
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	633 addr = 0
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	634 for addr_incr, line_incr in zip(co_lnotab[::2], co_lnotab[1::2]):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	635 addr += ord(addr_incr)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	636 if addr > addrq:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	637 return lineno
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	638 lineno += ord(line_incr)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	639 return lineno
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	640
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	641
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	642 class PyDictObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	643 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	644 Class wrapping a gdb.Value that's a PyDictObject* i.e. a dict instance
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	645 within the process being debugged.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	646 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	647 _typename = 'PyDictObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	648
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	649 def iteritems(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	650 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	651 Yields a sequence of (PyObjectPtr key, PyObjectPtr value) pairs,
85406 c57d99a8fc42 #18803: fix more typos. Patch by Févry Thibault. Ezio Melotti <ezio.melotti@gmail.com> parents: 83648 diff changeset	652 analogous to dict.iteritems()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	653 '''
76485 6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	654 keys = self.field('ma_keys')
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	655 values = self.field('ma_values')
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	656 for i in safe_range(keys['dk_size']):
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	657 ep = keys['dk_entries'].address + i
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	658 if long(values):
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	659 pyop_value = PyObjectPtr.from_pyobject_ptr(values[i])
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	660 else:
6e5855854a2e Implement PEP 412: Key-sharing dictionaries (closes #13903) Benjamin Peterson <benjamin@python.org> parents: 74077 diff changeset	661 pyop_value = PyObjectPtr.from_pyobject_ptr(ep['me_value'])
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	662 if not pyop_value.is_null():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	663 pyop_key = PyObjectPtr.from_pyobject_ptr(ep['me_key'])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	664 yield (pyop_key, pyop_value)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	665
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	666 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	667 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	668 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	669 return ProxyAlreadyVisited('{...}')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	670 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	671
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	672 result = {}
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	673 for pyop_key, pyop_value in self.iteritems():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	674 proxy_key = pyop_key.proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	675 proxy_value = pyop_value.proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	676 result[proxy_key] = proxy_value
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	677 return result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	678
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	679 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	680 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	681 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	682 out.write('{...}')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	683 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	684 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	685
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	686 out.write('{')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	687 first = True
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	688 for pyop_key, pyop_value in self.iteritems():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	689 if not first:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	690 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	691 first = False
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	692 pyop_key.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	693 out.write(': ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	694 pyop_value.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	695 out.write('}')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	696
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	697 class PyListObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	698 _typename = 'PyListObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	699
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	700 def __getitem__(self, i):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	701 # Get the gdb.Value for the (PyObject*) with the given index:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	702 field_ob_item = self.field('ob_item')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	703 return field_ob_item[i]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	704
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	705 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	706 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	707 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	708 return ProxyAlreadyVisited('[...]')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	709 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	710
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	711 result = [PyObjectPtr.from_pyobject_ptr(self[i]).proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	712 for i in safe_range(int_from_int(self.field('ob_size')))]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	713 return result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	714
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	715 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	716 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	717 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	718 out.write('[...]')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	719 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	720 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	721
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	722 out.write('[')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	723 for i in safe_range(int_from_int(self.field('ob_size'))):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	724 if i > 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	725 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	726 element = PyObjectPtr.from_pyobject_ptr(self[i])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	727 element.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	728 out.write(']')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	729
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	730 class PyLongObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	731 _typename = 'PyLongObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	732
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	733 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	734 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	735 Python's Include/longobjrep.h has this declaration:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	736 struct _longobject {
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	737 PyObject_VAR_HEAD
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	738 digit ob_digit[1];
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	739 };
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	740
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	741 with this description:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	742 The absolute value of a number is equal to
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	743 SUM(for i=0 through abs(ob_size)-1) ob_digit[i] * 2*(SHIFTi)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	744 Negative numbers are represented with ob_size < 0;
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	745 zero is represented by ob_size == 0.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	746
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	747 where SHIFT can be either:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	748 #define PyLong_SHIFT 30
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	749 #define PyLong_SHIFT 15
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	750 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	751 ob_size = long(self.field('ob_size'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	752 if ob_size == 0:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	753 return 0
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	754
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	755 ob_digit = self.field('ob_digit')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	756
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	757 if gdb.lookup_type('digit').sizeof == 2:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	758 SHIFT = 15
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	759 else:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	760 SHIFT = 30
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	761
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	762 digits = [long(ob_digit[i]) * 2*(SHIFTi)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	763 for i in safe_range(abs(ob_size))]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	764 result = sum(digits)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	765 if ob_size < 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	766 result = -result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	767 return result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	768
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	769 def write_repr(self, out, visited):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	770 # Write this out as a Python 3 int literal, i.e. without the "L" suffix
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	771 proxy = self.proxyval(visited)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	772 out.write("%s" % proxy)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	773
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	774
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	775 class PyBoolObjectPtr(PyLongObjectPtr):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	776 """
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	777 Class wrapping a gdb.Value that's a PyBoolObject* i.e. one of the two
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	778 <bool> instances (Py_True/Py_False) within the process being debugged.
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	779 """
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	780 def proxyval(self, visited):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	781 if PyLongObjectPtr.proxyval(self, visited):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	782 return True
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	783 else:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	784 return False
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	785
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	786 class PyNoneStructPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	787 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	788 Class wrapping a gdb.Value that's a PyObject* pointing to the
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	789 singleton (we hope) _Py_NoneStruct with ob_type PyNone_Type
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	790 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	791 _typename = 'PyObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	792
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	793 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	794 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	795
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	796
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	797 class PyFrameObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	798 _typename = 'PyFrameObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	799
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	800 def __init__(self, gdbval, cast_to=None):
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	801 PyObjectPtr.__init__(self, gdbval, cast_to)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	802
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	803 if not self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	804 self.co = PyCodeObjectPtr.from_pyobject_ptr(self.field('f_code'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	805 self.co_name = self.co.pyop_field('co_name')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	806 self.co_filename = self.co.pyop_field('co_filename')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	807
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	808 self.f_lineno = int_from_int(self.field('f_lineno'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	809 self.f_lasti = int_from_int(self.field('f_lasti'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	810 self.co_nlocals = int_from_int(self.co.field('co_nlocals'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	811 self.co_varnames = PyTupleObjectPtr.from_pyobject_ptr(self.co.field('co_varnames'))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	812
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	813 def iter_locals(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	814 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	815 Yield a sequence of (name,value) pairs of PyObjectPtr instances, for
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	816 the local variables of this frame
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	817 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	818 if self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	819 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	820
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	821 f_localsplus = self.field('f_localsplus')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	822 for i in safe_range(self.co_nlocals):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	823 pyop_value = PyObjectPtr.from_pyobject_ptr(f_localsplus[i])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	824 if not pyop_value.is_null():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	825 pyop_name = PyObjectPtr.from_pyobject_ptr(self.co_varnames[i])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	826 yield (pyop_name, pyop_value)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	827
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	828 def iter_globals(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	829 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	830 Yield a sequence of (name,value) pairs of PyObjectPtr instances, for
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	831 the global variables of this frame
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	832 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	833 if self.is_optimized_out():
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	834 return ()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	835
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	836 pyop_globals = self.pyop_field('f_globals')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	837 return pyop_globals.iteritems()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	838
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	839 def iter_builtins(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	840 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	841 Yield a sequence of (name,value) pairs of PyObjectPtr instances, for
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	842 the builtin variables
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	843 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	844 if self.is_optimized_out():
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	845 return ()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	846
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	847 pyop_builtins = self.pyop_field('f_builtins')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	848 return pyop_builtins.iteritems()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	849
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	850 def get_var_by_name(self, name):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	851 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	852 Look for the named local variable, returning a (PyObjectPtr, scope) pair
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	853 where scope is a string 'local', 'global', 'builtin'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	854
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	855 If not found, return (None, None)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	856 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	857 for pyop_name, pyop_value in self.iter_locals():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	858 if name == pyop_name.proxyval(set()):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	859 return pyop_value, 'local'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	860 for pyop_name, pyop_value in self.iter_globals():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	861 if name == pyop_name.proxyval(set()):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	862 return pyop_value, 'global'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	863 for pyop_name, pyop_value in self.iter_builtins():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	864 if name == pyop_name.proxyval(set()):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	865 return pyop_value, 'builtin'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	866 return None, None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	867
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	868 def filename(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	869 '''Get the path of the current Python source file, as a string'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	870 if self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	871 return '(frame information optimized out)'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	872 return self.co_filename.proxyval(set())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	873
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	874 def current_line_num(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	875 '''Get current line number as an integer (1-based)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	876
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	877 Translated from PyFrame_GetLineNumber and PyCode_Addr2Line
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	878
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	879 See Objects/lnotab_notes.txt
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	880 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	881 if self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	882 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	883 f_trace = self.field('f_trace')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	884 if long(f_trace) != 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	885 # we have a non-NULL f_trace:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	886 return self.f_lineno
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	887 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	888 #try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	889 return self.co.addr2line(self.f_lasti)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	890 #except ValueError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	891 # return self.f_lineno
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	892
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	893 def current_line(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	894 '''Get the text of the current source line as a string, with a trailing
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	895 newline character'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	896 if self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	897 return '(frame information optimized out)'
65485 023b41376290 libpython: implementation of os.fsencode() with surrogateescape error handler Victor Stinner <victor.stinner@haypocalc.com> parents: 64573 diff changeset	898 filename = self.filename()
71106 316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	899 try:
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	900 f = open(os_fsencode(filename), 'r')
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	901 except IOError:
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	902 return None
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	903 with f:
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	904 all_lines = f.readlines()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	905 # Convert from 1-based current_line_num to 0-based list offset:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	906 return all_lines[self.current_line_num()-1]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	907
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	908 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	909 if self.is_optimized_out():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	910 out.write('(frame information optimized out)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	911 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	912 out.write('Frame 0x%x, for file %s, line %i, in %s ('
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	913 % (self.as_address(),
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	914 self.co_filename.proxyval(visited),
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	915 self.current_line_num(),
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	916 self.co_name.proxyval(visited)))
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	917 first = True
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	918 for pyop_name, pyop_value in self.iter_locals():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	919 if not first:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	920 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	921 first = False
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	922
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	923 out.write(pyop_name.proxyval(visited))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	924 out.write('=')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	925 pyop_value.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	926
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	927 out.write(')')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	928
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	929 def print_traceback(self):
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	930 if self.is_optimized_out():
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	931 sys.stdout.write(' (frame information optimized out)\n')
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	932 return
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	933 visited = set()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	934 sys.stdout.write(' File "%s", line %i, in %s\n'
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	935 % (self.co_filename.proxyval(visited),
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	936 self.current_line_num(),
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	937 self.co_name.proxyval(visited)))
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	938
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	939 class PySetObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	940 _typename = 'PySetObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	941
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	942 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	943 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	944 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	945 return ProxyAlreadyVisited('%s(...)' % self.safe_tp_name())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	946 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	947
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	948 members = []
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	949 table = self.field('table')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	950 for i in safe_range(self.field('mask')+1):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	951 setentry = table[i]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	952 key = setentry['key']
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	953 if key != 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	954 key_proxy = PyObjectPtr.from_pyobject_ptr(key).proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	955 if key_proxy != '<dummy key>':
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	956 members.append(key_proxy)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	957 if self.safe_tp_name() == 'frozenset':
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	958 return frozenset(members)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	959 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	960 return set(members)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	961
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	962 def write_repr(self, out, visited):
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	963 # Emulate Python 3's set_repr
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	964 tp_name = self.safe_tp_name()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	965
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	966 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	967 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	968 out.write('(...)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	969 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	970 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	971
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	972 # Python 3's set_repr special-cases the empty set:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	973 if not self.field('used'):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	974 out.write(tp_name)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	975 out.write('()')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	976 return
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	977
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	978 # Python 3 uses {} for set literals:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	979 if tp_name != 'set':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	980 out.write(tp_name)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	981 out.write('(')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	982
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	983 out.write('{')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	984 first = True
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	985 table = self.field('table')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	986 for i in safe_range(self.field('mask')+1):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	987 setentry = table[i]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	988 key = setentry['key']
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	989 if key != 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	990 pyop_key = PyObjectPtr.from_pyobject_ptr(key)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	991 key_proxy = pyop_key.proxyval(visited) # FIXME!
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	992 if key_proxy != '<dummy key>':
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	993 if not first:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	994 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	995 first = False
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	996 pyop_key.write_repr(out, visited)
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	997 out.write('}')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	998
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	999 if tp_name != 'set':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1000 out.write(')')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1001
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1002
60812 6d836b10e370 Adapt libpython.py and test_gdb.py to Python3 Victor Stinner <victor.stinner@haypocalc.com> parents: 60803 diff changeset	1003 class PyBytesObjectPtr(PyObjectPtr):
6d836b10e370 Adapt libpython.py and test_gdb.py to Python3 Victor Stinner <victor.stinner@haypocalc.com> parents: 60803 diff changeset	1004 _typename = 'PyBytesObject'
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1005
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1006 def __str__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1007 field_ob_size = self.field('ob_size')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1008 field_ob_sval = self.field('ob_sval')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1009 char_ptr = field_ob_sval.address.cast(_type_unsigned_char_ptr)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1010 return ''.join([chr(char_ptr[i]) for i in safe_range(field_ob_size)])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1011
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1012 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1013 return str(self)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1014
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1015 def write_repr(self, out, visited):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1016 # Write this out as a Python 3 bytes literal, i.e. with a "b" prefix
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1017
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1018 # Get a PyStringObject* within the Python 2 gdb process:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1019 proxy = self.proxyval(visited)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1020
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1021 # Transliteration of Python 3's Objects/bytesobject.c:PyBytes_Repr
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1022 # to Python 2 code:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1023 quote = "'"
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1024 if "'" in proxy and not '"' in proxy:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1025 quote = '"'
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1026 out.write('b')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1027 out.write(quote)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1028 for byte in proxy:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1029 if byte == quote or byte == '\\':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1030 out.write('\\')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1031 out.write(byte)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1032 elif byte == '\t':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1033 out.write('\\t')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1034 elif byte == '\n':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1035 out.write('\\n')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1036 elif byte == '\r':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1037 out.write('\\r')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1038 elif byte < ' ' or ord(byte) >= 0x7f:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1039 out.write('\\x')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1040 out.write(hexdigits[(ord(byte) & 0xf0) >> 4])
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1041 out.write(hexdigits[ord(byte) & 0xf])
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1042 else:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1043 out.write(byte)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1044 out.write(quote)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1045
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1046 class PyTupleObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1047 _typename = 'PyTupleObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1048
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1049 def __getitem__(self, i):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1050 # Get the gdb.Value for the (PyObject*) with the given index:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1051 field_ob_item = self.field('ob_item')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1052 return field_ob_item[i]
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1053
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1054 def proxyval(self, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1055 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1056 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1057 return ProxyAlreadyVisited('(...)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1058 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1059
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1060 result = tuple([PyObjectPtr.from_pyobject_ptr(self[i]).proxyval(visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1061 for i in safe_range(int_from_int(self.field('ob_size')))])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1062 return result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1063
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1064 def write_repr(self, out, visited):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1065 # Guard against infinite loops:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1066 if self.as_address() in visited:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1067 out.write('(...)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1068 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1069 visited.add(self.as_address())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1070
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1071 out.write('(')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1072 for i in safe_range(int_from_int(self.field('ob_size'))):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1073 if i > 0:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1074 out.write(', ')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1075 element = PyObjectPtr.from_pyobject_ptr(self[i])
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1076 element.write_repr(out, visited)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1077 if self.field('ob_size') == 1:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1078 out.write(',)')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1079 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1080 out.write(')')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1081
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1082 class PyTypeObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1083 _typename = 'PyTypeObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1084
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1085
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1086 def _unichr_is_printable(char):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1087 # Logic adapted from Python 3's Tools/unicode/makeunicodedata.py
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1088 if char == u" ":
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1089 return True
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1090 import unicodedata
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1091 return unicodedata.category(char) not in ("C", "Z")
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1092
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1093 if sys.maxunicode >= 0x10000:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1094 _unichr = unichr
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1095 else:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1096 # Needed for proper surrogate support if sizeof(Py_UNICODE) is 2 in gdb
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1097 def _unichr(x):
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1098 if x < 0x10000:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1099 return unichr(x)
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1100 x -= 0x10000
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1101 ch1 = 0xD800 \| (x >> 10)
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1102 ch2 = 0xDC00 \| (x & 0x3FF)
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1103 return unichr(ch1) + unichr(ch2)
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1104
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1105
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1106 class PyUnicodeObjectPtr(PyObjectPtr):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1107 _typename = 'PyUnicodeObject'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1108
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1109 def char_width(self):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1110 _type_Py_UNICODE = gdb.lookup_type('Py_UNICODE')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1111 return _type_Py_UNICODE.sizeof
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1112
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1113 def proxyval(self, visited):
73885 50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	1114 global _is_pep393
50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	1115 if _is_pep393 is None:
50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	1116 fields = gdb.lookup_type('PyUnicodeObject').target().fields()
50c7ac2fe13c libpython.py: defer call to gdb.lookup_type('PyUnicodeObject') Victor Stinner <victor.stinner@haypocalc.com> parents: 73368 diff changeset	1117 _is_pep393 = 'data' in [f.name for f in fields]
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1118 if _is_pep393:
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1119 # Python 3.3 and newer
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1120 may_have_surrogates = False
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1121 compact = self.field('_base')
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1122 ascii = compact['_base']
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1123 state = ascii['state']
72614 93f033c7cfea PyUnicode_Ready() now sets ascii=1 if maxchar < 128 Victor Stinner <victor.stinner@haypocalc.com> parents: 72476 diff changeset	1124 is_compact_ascii = (int(state['ascii']) and int(state['compact']))
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1125 if not int(state['ready']):
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1126 # string is not ready
73368 694f70ea1419 Oops, really fix gdb/libpython.py for not ready Unicode strings Victor Stinner <victor.stinner@haypocalc.com> parents: 73356 diff changeset	1127 field_length = long(compact['wstr_length'])
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1128 may_have_surrogates = True
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1129 field_str = ascii['wstr']
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1130 else:
73368 694f70ea1419 Oops, really fix gdb/libpython.py for not ready Unicode strings Victor Stinner <victor.stinner@haypocalc.com> parents: 73356 diff changeset	1131 field_length = long(ascii['length'])
72614 93f033c7cfea PyUnicode_Ready() now sets ascii=1 if maxchar < 128 Victor Stinner <victor.stinner@haypocalc.com> parents: 72476 diff changeset	1132 if is_compact_ascii:
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1133 field_str = ascii.address + 1
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1134 elif int(state['compact']):
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1135 field_str = compact.address + 1
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1136 else:
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1137 field_str = self.field('data')['any']
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1138 repr_kind = int(state['kind'])
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1139 if repr_kind == 1:
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1140 field_str = field_str.cast(_type_unsigned_char_ptr)
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1141 elif repr_kind == 2:
69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1142 field_str = field_str.cast(_type_unsigned_short_ptr)
72809 ef1f0434c79c Fix test_gdb following the small unicode struct change in c25262e97304 (issue #13130) Antoine Pitrou <solipsis@pitrou.net> parents: 72614 diff changeset	1143 elif repr_kind == 4:
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1144 field_str = field_str.cast(_type_unsigned_int_ptr)
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1145 else:
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1146 # Python 3.2 and earlier
72476 69a6c56e8989 Update for PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 72475 diff changeset	1147 field_length = long(self.field('length'))
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1148 field_str = self.field('str')
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1149 may_have_surrogates = self.char_width() == 2
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1150
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1151 # Gather a list of ints from the Py_UNICODE array; these are either
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1152 # UCS-1, UCS-2 or UCS-4 code points:
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 71106 diff changeset	1153 if not may_have_surrogates:
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1154 Py_UNICODEs = [int(field_str[i]) for i in safe_range(field_length)]
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1155 else:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1156 # A more elaborate routine if sizeof(Py_UNICODE) is 2 in the
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1157 # inferior process: we must join surrogate pairs.
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1158 Py_UNICODEs = []
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1159 i = 0
64571 b1cf3f7f304c Add a safety limit to the number of unicode characters we fetch Antoine Pitrou <solipsis@pitrou.net> parents: 64570 diff changeset	1160 limit = safety_limit(field_length)
b1cf3f7f304c Add a safety limit to the number of unicode characters we fetch Antoine Pitrou <solipsis@pitrou.net> parents: 64570 diff changeset	1161 while i < limit:
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1162 ucs = int(field_str[i])
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1163 i += 1
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1164 if ucs < 0xD800 or ucs >= 0xDC00 or i == field_length:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1165 Py_UNICODEs.append(ucs)
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1166 continue
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1167 # This could be a surrogate pair.
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1168 ucs2 = int(field_str[i])
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1169 if ucs2 < 0xDC00 or ucs2 > 0xDFFF:
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1170 continue
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1171 code = (ucs & 0x03FF) << 10
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1172 code \|= ucs2 & 0x03FF
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1173 code += 0x00010000
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1174 Py_UNICODEs.append(code)
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1175 i += 1
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1176
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1177 # Convert the int code points to unicode characters, and generate a
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1178 # local unicode instance.
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1179 # This splits surrogate pairs if sizeof(Py_UNICODE) is 2 here (in gdb).
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1180 result = u''.join([_unichr(ucs) for ucs in Py_UNICODEs])
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1181 return result
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1182
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1183 def write_repr(self, out, visited):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1184 # Write this out as a Python 3 str literal, i.e. without a "u" prefix
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1185
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1186 # Get a PyUnicodeObject* within the Python 2 gdb process:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1187 proxy = self.proxyval(visited)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1188
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1189 # Transliteration of Python 3's Object/unicodeobject.c:unicode_repr
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1190 # to Python 2:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1191 if "'" in proxy and '"' not in proxy:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1192 quote = '"'
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1193 else:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1194 quote = "'"
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1195 out.write(quote)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1196
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1197 i = 0
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1198 while i < len(proxy):
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1199 ch = proxy[i]
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1200 i += 1
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1201
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1202 # Escape quotes and backslashes
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1203 if ch == quote or ch == '\\':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1204 out.write('\\')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1205 out.write(ch)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1206
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1207 # Map special whitespace to '\t', \n', '\r'
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1208 elif ch == '\t':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1209 out.write('\\t')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1210 elif ch == '\n':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1211 out.write('\\n')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1212 elif ch == '\r':
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1213 out.write('\\r')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1214
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1215 # Map non-printable US ASCII to '\xhh' */
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1216 elif ch < ' ' or ch == 0x7F:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1217 out.write('\\x')
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1218 out.write(hexdigits[(ord(ch) >> 4) & 0x000F])
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1219 out.write(hexdigits[ord(ch) & 0x000F])
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1220
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1221 # Copy ASCII characters as-is
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1222 elif ord(ch) < 0x7F:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1223 out.write(ch)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1224
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1225 # Non-ASCII characters
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1226 else:
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1227 ucs = ch
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1228 ch2 = None
64573 441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1229 if sys.maxunicode < 0x10000:
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1230 # If sizeof(Py_UNICODE) is 2 here (in gdb), join
a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1231 # surrogate pairs before calling _unichr_is_printable.
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1232 if (i < len(proxy)
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1233 and 0xD800 <= ord(ch) < 0xDC00 \
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1234 and 0xDC00 <= ord(proxy[i]) <= 0xDFFF):
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1235 ch2 = proxy[i]
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1236 ucs = ch + ch2
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1237 i += 1
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1238
64573 441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1239 # Unfortuately, Python 2's unicode type doesn't seem
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1240 # to expose the "isprintable" method
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1241 printable = _unichr_is_printable(ucs)
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1242 if printable:
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1243 try:
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1244 ucs.encode(ENCODING)
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1245 except UnicodeEncodeError:
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1246 printable = False
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1247
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1248 # Map Unicode whitespace and control characters
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1249 # (categories Z* and C* except ASCII space)
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1250 if not printable:
64573 441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1251 if ch2 is not None:
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1252 # Match Python 3's representation of non-printable
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1253 # wide characters.
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1254 code = (ord(ch) & 0x03FF) << 10
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1255 code \|= ord(ch2) & 0x03FF
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1256 code += 0x00010000
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1257 else:
441e94ce4087 gdb: fix representation of non-printable surrogate pairs, and workaround Antoine Pitrou <solipsis@pitrou.net> parents: 64571 diff changeset	1258 code = ord(ucs)
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1259
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1260 # Map 8-bit characters to '\\xhh'
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1261 if code <= 0xff:
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1262 out.write('\\x')
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1263 out.write(hexdigits[(code >> 4) & 0x000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1264 out.write(hexdigits[code & 0x000F])
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1265 # Map 21-bit characters to '\U00xxxxxx'
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1266 elif code >= 0x10000:
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1267 out.write('\\U')
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1268 out.write(hexdigits[(code >> 28) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1269 out.write(hexdigits[(code >> 24) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1270 out.write(hexdigits[(code >> 20) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1271 out.write(hexdigits[(code >> 16) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1272 out.write(hexdigits[(code >> 12) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1273 out.write(hexdigits[(code >> 8) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1274 out.write(hexdigits[(code >> 4) & 0x0000000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1275 out.write(hexdigits[code & 0x0000000F])
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1276 # Map 16-bit characters to '\uxxxx'
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1277 else:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1278 out.write('\\u')
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1279 out.write(hexdigits[(code >> 12) & 0x000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1280 out.write(hexdigits[(code >> 8) & 0x000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1281 out.write(hexdigits[(code >> 4) & 0x000F])
503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1282 out.write(hexdigits[code & 0x000F])
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1283 else:
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1284 # Copy characters as-is
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1285 out.write(ch)
64570 a2aeddc19b66 Issue #9188: The gdb extension now handles correctly narrow (UCS2) as well Antoine Pitrou <solipsis@pitrou.net> parents: 64134 diff changeset	1286 if ch2 is not None:
61768 503afc62d632 Issue #8559: improve unicode support of (gdb) libpython.py Victor Stinner <victor.stinner@haypocalc.com> parents: 60823 diff changeset	1287 out.write(ch2)
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1288
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1289 out.write(quote)
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1290
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1291
888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1292
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1293
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1294 def int_from_int(gdbval):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1295 return int(str(gdbval))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1296
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1297
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1298 def stringify(val):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1299 # TODO: repr() puts everything on one line; pformat can be nicer, but
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1300 # can lead to v.long results; this function isolates the choice
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1301 if True:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1302 return repr(val)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1303 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1304 from pprint import pformat
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1305 return pformat(val)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1306
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1307
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1308 class PyObjectPtrPrinter:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1309 "Prints a (PyObject*)"
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1310
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1311 def __init__ (self, gdbval):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1312 self.gdbval = gdbval
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1313
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1314 def to_string (self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1315 pyop = PyObjectPtr.from_pyobject_ptr(self.gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1316 if True:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1317 return pyop.get_truncated_repr(MAX_OUTPUT_LEN)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1318 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1319 # Generate full proxy value then stringify it.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1320 # Doing so could be expensive
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1321 proxyval = pyop.proxyval(set())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1322 return stringify(proxyval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1323
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1324 def pretty_printer_lookup(gdbval):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1325 type = gdbval.type.unqualified()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1326 if type.code == gdb.TYPE_CODE_PTR:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1327 type = type.target().unqualified()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1328 t = str(type)
60823 888c75a1be55 Issue #8380: Port gdb/libpython to 3.x. Martin v. Löwis <martin@v.loewis.de> parents: 60812 diff changeset	1329 if t in ("PyObject", "PyFrameObject", "PyUnicodeObject"):
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1330 return PyObjectPtrPrinter(gdbval)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1331
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1332 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1333 During development, I've been manually invoking the code in this way:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1334 (gdb) python
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1335
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1336 import sys
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1337 sys.path.append('/home/david/coding/python-gdb')
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1338 import libpython
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1339 end
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1340
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1341 then reloading it after each edit like this:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1342 (gdb) python reload(libpython)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1343
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1344 The following code should ensure that the prettyprinter is registered
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1345 if the code is autoloaded by gdb when visiting libpython.so, provided
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1346 that this python file is installed to the same path as the library (or its
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1347 .debug file) plus a "-gdb.py" suffix, e.g:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1348 /usr/lib/libpython2.6.so.1.0-gdb.py
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1349 /usr/lib/debug/usr/lib/libpython2.6.so.1.0.debug-gdb.py
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1350 """
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1351 def register (obj):
79626 332b93ce7bf9 compare singletons by identity not equality (closes #16712) Benjamin Peterson <benjamin@python.org> parents: 77824 diff changeset	1352 if obj is None:
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1353 obj = gdb
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1354
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1355 # Wire up the pretty-printer
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1356 obj.pretty_printers.append(pretty_printer_lookup)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1357
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1358 register (gdb.current_objfile ())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1359
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1360
60803 a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1361
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1362 # Unfortunately, the exact API exposed by the gdb module varies somewhat
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1363 # from build to build
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1364 # See http://bugs.python.org/issue8279?#msg102276
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1365
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1366 class Frame(object):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1367 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1368 Wrapper for gdb.Frame, adding various methods
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1369 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1370 def __init__(self, gdbframe):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1371 self._gdbframe = gdbframe
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1372
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1373 def older(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1374 older = self._gdbframe.older()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1375 if older:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1376 return Frame(older)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1377 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1378 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1379
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1380 def newer(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1381 newer = self._gdbframe.newer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1382 if newer:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1383 return Frame(newer)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1384 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1385 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1386
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1387 def select(self):
60803 a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1388 '''If supported, select this frame and return True; return False if unsupported
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1389
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1390 Not all builds have a gdb.Frame.select method; seems to be present on Fedora 12
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1391 onwards, but absent on Ubuntu buildbot'''
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1392 if not hasattr(self._gdbframe, 'select'):
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1393 print ('Unable to select frame: '
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1394 'this build of gdb does not expose a gdb.Frame.select method')
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1395 return False
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1396 self._gdbframe.select()
60803 a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1397 return True
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1398
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1399 def get_index(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1400 '''Calculate index of frame, starting at 0 for the newest frame within
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1401 this thread'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1402 index = 0
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1403 # Go down until you reach the newest frame:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1404 iter_frame = self
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1405 while iter_frame.newer():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1406 index += 1
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1407 iter_frame = iter_frame.newer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1408 return index
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1409
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1410 # We divide frames into:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1411 # - "python frames":
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1412 # - "bytecode frames" i.e. PyEval_EvalFrameEx
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1413 # - "other python frames": things that are of interest from a python
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1414 # POV, but aren't bytecode (e.g. GC, GIL)
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1415 # - everything else
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1416
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1417 def is_python_frame(self):
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1418 '''Is this a PyEval_EvalFrameEx frame, or some other important
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1419 frame? (see is_other_python_frame for what "important" means in this
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1420 context)'''
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1421 if self.is_evalframeex():
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1422 return True
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1423 if self.is_other_python_frame():
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1424 return True
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1425 return False
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1426
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1427 def is_evalframeex(self):
60803 a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1428 '''Is this a PyEval_EvalFrameEx frame?'''
60792 19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1429 if self._gdbframe.name() == 'PyEval_EvalFrameEx':
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1430 '''
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1431 I believe we also need to filter on the inline
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1432 struct frame_id.inline_depth, only regarding frames with
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1433 an inline depth of 0 as actually being this function
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1434
60792 19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1435 So we reject those with type gdb.INLINE_FRAME
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1436 '''
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1437 if self._gdbframe.type() == gdb.NORMAL_FRAME:
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1438 # We have a PyEval_EvalFrameEx frame:
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1439 return True
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1440
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1441 return False
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1442
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1443 def is_other_python_frame(self):
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1444 '''Is this frame worth displaying in python backtraces?
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1445 Examples:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1446 - waiting on the GIL
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1447 - garbage-collecting
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1448 - within a CFunction
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1449 If it is, return a descriptive string
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1450 For other frames, return False
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1451 '''
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1452 if self.is_waiting_for_gil():
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1453 return 'Waiting for the GIL'
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1454 elif self.is_gc_collect():
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1455 return 'Garbage-collecting'
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1456 else:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1457 # Detect invocations of PyCFunction instances:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1458 older = self.older()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1459 if older and older._gdbframe.name() == 'PyCFunction_Call':
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1460 # Within that frame:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1461 # "func" is the local containing the PyObject* of the
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1462 # PyCFunctionObject instance
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1463 # "f" is the same value, but cast to (PyCFunctionObject*)
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1464 # "self" is the (PyObject*) of the 'self'
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1465 try:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1466 # Use the prettyprinter for the func:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1467 func = older._gdbframe.read_var('func')
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1468 return str(func)
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1469 except RuntimeError:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1470 return 'PyCFunction invocation (unable to read "func")'
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1471
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1472 # This frame isn't worth reporting:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1473 return False
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1474
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1475 def is_waiting_for_gil(self):
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1476 '''Is this frame waiting on the GIL?'''
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1477 # This assumes the _POSIX_THREADS version of Python/ceval_gil.h:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1478 name = self._gdbframe.name()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1479 if name:
83648 f4a6b731905a #17833: fix test_gdb failures seen on PPC64 Linux in test_threads (test.test_gdb.PyBtTests) David Malcolm <dmalcolm@redhat.com> parents: 81772 diff changeset	1480 return 'pthread_cond_timedwait' in name
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1481
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1482 def is_gc_collect(self):
81772 07488c3c85f1 Fix a few typos and a double semicolon. Patch by Eitan Adler. Ezio Melotti <ezio.melotti@gmail.com> parents: 79626 diff changeset	1483 '''Is this frame "collect" within the garbage-collector?'''
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1484 return self._gdbframe.name() == 'collect'
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1485
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1486 def get_pyop(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1487 try:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1488 f = self._gdbframe.read_var('f')
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1489 frame = PyFrameObjectPtr.from_pyobject_ptr(f)
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1490 if not frame.is_optimized_out():
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1491 return frame
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1492 # gdb is unable to get the "f" argument of PyEval_EvalFrameEx()
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1493 # because it was "optimized out". Try to get "f" from the frame
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1494 # of the caller, PyEval_EvalCodeEx().
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1495 orig_frame = frame
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1496 caller = self._gdbframe.older()
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1497 if caller:
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1498 f = caller.read_var('f')
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1499 frame = PyFrameObjectPtr.from_pyobject_ptr(f)
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1500 if not frame.is_optimized_out():
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1501 return frame
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1502 return orig_frame
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1503 except ValueError:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1504 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1505
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1506 @classmethod
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1507 def get_selected_frame(cls):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1508 _gdbframe = gdb.selected_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1509 if _gdbframe:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1510 return Frame(_gdbframe)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1511 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1512
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1513 @classmethod
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1514 def get_selected_python_frame(cls):
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1515 '''Try to obtain the Frame for the python-related code in the selected
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1516 frame, or None'''
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1517 frame = cls.get_selected_frame()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1518
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1519 while frame:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1520 if frame.is_python_frame():
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1521 return frame
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1522 frame = frame.older()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1523
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1524 # Not found:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1525 return None
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1526
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1527 @classmethod
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1528 def get_selected_bytecode_frame(cls):
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1529 '''Try to obtain the Frame for the python bytecode interpreter in the
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1530 selected GDB frame, or None'''
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1531 frame = cls.get_selected_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1532
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1533 while frame:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1534 if frame.is_evalframeex():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1535 return frame
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1536 frame = frame.older()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1537
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1538 # Not found:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1539 return None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1540
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1541 def print_summary(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1542 if self.is_evalframeex():
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1543 pyop = self.get_pyop()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1544 if pyop:
64134 fc794add559d libpython.py: py-bt commands escape unencodable characters Victor Stinner <victor.stinner@haypocalc.com> parents: 63012 diff changeset	1545 line = pyop.get_truncated_repr(MAX_OUTPUT_LEN)
fc794add559d libpython.py: py-bt commands escape unencodable characters Victor Stinner <victor.stinner@haypocalc.com> parents: 63012 diff changeset	1546 write_unicode(sys.stdout, '#%i %s\n' % (self.get_index(), line))
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1547 if not pyop.is_optimized_out():
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1548 line = pyop.current_line()
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1549 if line is not None:
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1550 sys.stdout.write(' %s\n' % line.strip())
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1551 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1552 sys.stdout.write('#%i (unable to read python frame information)\n' % self.get_index())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1553 else:
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1554 info = self.is_other_python_frame()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1555 if info:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1556 sys.stdout.write('#%i %s\n' % (self.get_index(), info))
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1557 else:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1558 sys.stdout.write('#%i\n' % self.get_index())
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1559
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1560 def print_traceback(self):
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1561 if self.is_evalframeex():
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1562 pyop = self.get_pyop()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1563 if pyop:
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1564 pyop.print_traceback()
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1565 if not pyop.is_optimized_out():
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1566 line = pyop.current_line()
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1567 if line is not None:
0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1568 sys.stdout.write(' %s\n' % line.strip())
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1569 else:
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1570 sys.stdout.write(' (unable to read python frame information)\n')
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1571 else:
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1572 info = self.is_other_python_frame()
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1573 if info:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1574 sys.stdout.write(' %s\n' % info)
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1575 else:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1576 sys.stdout.write(' (not a python frame)\n')
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1577
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1578 class PyList(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1579 '''List the current Python source code, if any
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1580
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1581 Use
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1582 py-list START
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1583 to list at a different line number within the python source.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1584
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1585 Use
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1586 py-list START, END
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1587 to list a specific range of lines within the python source.
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1588 '''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1589
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1590 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1591 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1592 "py-list",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1593 gdb.COMMAND_FILES,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1594 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1595
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1596
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1597 def invoke(self, args, from_tty):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1598 import re
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1599
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1600 start = None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1601 end = None
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1602
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1603 m = re.match(r'\s(\d+)\s', args)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1604 if m:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1605 start = int(m.group(0))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1606 end = start + 10
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1607
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1608 m = re.match(r'\s(\d+)\s,\s(\d+)\s', args)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1609 if m:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1610 start, end = map(int, m.groups())
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1611
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1612 # py-list requires an actual PyEval_EvalFrameEx frame:
abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1613 frame = Frame.get_selected_bytecode_frame()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1614 if not frame:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1615 print('Unable to locate gdb frame for python bytecode interpreter')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1616 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1617
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1618 pyop = frame.get_pyop()
74076 0b03cb97dac0 Issue #13628: python-gdb.py is now able to retrieve more frames in the Python Victor Stinner <victor.stinner@haypocalc.com> parents: 71106 diff changeset	1619 if not pyop or pyop.is_optimized_out():
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1620 print('Unable to read information on python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1621 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1622
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1623 filename = pyop.filename()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1624 lineno = pyop.current_line_num()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1625
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1626 if start is None:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1627 start = lineno - 5
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1628 end = lineno + 5
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1629
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1630 if start<1:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1631 start = 1
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1632
71106 316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1633 try:
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1634 f = open(os_fsencode(filename), 'r')
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1635 except IOError as err:
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1636 sys.stdout.write('Unable to open %s: %s\n'
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1637 % (filename, err))
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1638 return
316764e64b0a libpython.py (gdb) now catchs IOError in py-list and py-bt commands Victor Stinner <victor.stinner@haypocalc.com> parents: 70078 diff changeset	1639 with f:
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1640 all_lines = f.readlines()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1641 # start and end are 1-based, all_lines is 0-based;
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1642 # so [start-1:end] as a python slice gives us [start, end] as a
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1643 # closed interval
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1644 for i, line in enumerate(all_lines[start-1:end]):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1645 linestr = str(i+start)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1646 # Highlight current line:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1647 if i + start == lineno:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1648 linestr = '>' + linestr
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1649 sys.stdout.write('%4s %s' % (linestr, line))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1650
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1651
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1652 # ...and register the command:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1653 PyList()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1654
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1655 def move_in_stack(move_up):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1656 '''Move up or down the stack (for the py-up/py-down command)'''
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1657 frame = Frame.get_selected_python_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1658 while frame:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1659 if move_up:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1660 iter_frame = frame.older()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1661 else:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1662 iter_frame = frame.newer()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1663
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1664 if not iter_frame:
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1665 break
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1666
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1667 if iter_frame.is_python_frame():
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1668 # Result:
60803 a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1669 if iter_frame.select():
a2a4d9dc7884 Merged revisions 79986-79987,80156 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 60792 diff changeset	1670 iter_frame.print_summary()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1671 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1672
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1673 frame = iter_frame
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1674
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1675 if move_up:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1676 print('Unable to find an older python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1677 else:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1678 print('Unable to find a newer python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1679
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1680 class PyUp(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1681 'Select and print the python stack frame that called this one (if any)'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1682 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1683 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1684 "py-up",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1685 gdb.COMMAND_STACK,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1686 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1687
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1688
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1689 def invoke(self, args, from_tty):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1690 move_in_stack(move_up=True)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1691
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1692 class PyDown(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1693 'Select and print the python stack frame called by this one (if any)'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1694 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1695 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1696 "py-down",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1697 gdb.COMMAND_STACK,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1698 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1699
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1700
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1701 def invoke(self, args, from_tty):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1702 move_in_stack(move_up=False)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1703
60792 19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1704 # Not all builds of gdb have gdb.Frame.select
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1705 if hasattr(gdb.Frame, 'select'):
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1706 PyUp()
19a9a457a47a Merged revisions 80288 via svnmerge from Victor Stinner <victor.stinner@haypocalc.com> parents: 60125 diff changeset	1707 PyDown()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1708
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1709 class PyBacktraceFull(gdb.Command):
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1710 'Display the current python frame and all the frames within its call stack (if any)'
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1711 def __init__(self):
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1712 gdb.Command.__init__ (self,
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1713 "py-bt-full",
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1714 gdb.COMMAND_STACK,
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1715 gdb.COMPLETE_NONE)
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1716
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1717
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1718 def invoke(self, args, from_tty):
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1719 frame = Frame.get_selected_python_frame()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1720 while frame:
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1721 if frame.is_python_frame():
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1722 frame.print_summary()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1723 frame = frame.older()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1724
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1725 PyBacktraceFull()
b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1726
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1727 class PyBacktrace(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1728 'Display the current python frame and all the frames within its call stack (if any)'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1729 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1730 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1731 "py-bt",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1732 gdb.COMMAND_STACK,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1733 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1734
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1735
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1736 def invoke(self, args, from_tty):
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1737 sys.stdout.write('Traceback (most recent call first):\n')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1738 frame = Frame.get_selected_python_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1739 while frame:
77824 abcd29c9a791 Issue #12605: Show information on more C frames within gdb backtraces David Malcolm <dmalcolm@redhat.com> parents: 76485 diff changeset	1740 if frame.is_python_frame():
70078 b340d1577dc5 Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add Victor Stinner <victor.stinner@haypocalc.com> parents: 65485 diff changeset	1741 frame.print_traceback()
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1742 frame = frame.older()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1743
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1744 PyBacktrace()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1745
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1746 class PyPrint(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1747 'Look up the given python variable name, and print it'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1748 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1749 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1750 "py-print",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1751 gdb.COMMAND_DATA,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1752 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1753
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1754
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1755 def invoke(self, args, from_tty):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1756 name = str(args)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1757
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1758 frame = Frame.get_selected_python_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1759 if not frame:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1760 print('Unable to locate python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1761 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1762
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1763 pyop_frame = frame.get_pyop()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1764 if not pyop_frame:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1765 print('Unable to read information on python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1766 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1767
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1768 pyop_var, scope = pyop_frame.get_var_by_name(name)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1769
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1770 if pyop_var:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1771 print('%s %r = %s'
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1772 % (scope,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1773 name,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1774 pyop_var.get_truncated_repr(MAX_OUTPUT_LEN)))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1775 else:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1776 print('%r not found' % name)
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1777
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1778 PyPrint()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1779
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1780 class PyLocals(gdb.Command):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1781 'Look up the given python variable name, and print it'
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1782 def __init__(self):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1783 gdb.Command.__init__ (self,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1784 "py-locals",
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1785 gdb.COMMAND_DATA,
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1786 gdb.COMPLETE_NONE)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1787
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1788
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1789 def invoke(self, args, from_tty):
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1790 name = str(args)
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1791
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1792 frame = Frame.get_selected_python_frame()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1793 if not frame:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1794 print('Unable to locate python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1795 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1796
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1797 pyop_frame = frame.get_pyop()
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1798 if not pyop_frame:
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1799 print('Unable to read information on python frame')
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1800 return
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1801
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1802 for pyop_name, pyop_value in pyop_frame.iter_locals():
87427 752db82b7933 Issue #19308: fix the gdb plugin on gdbs linked with Python 3 Antoine Pitrou <solipsis@pitrou.net> parents: 85441 diff changeset	1803 print('%s = %s'
60125 6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1804 % (pyop_name.proxyval(set()),
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1805 pyop_value.get_truncated_repr(MAX_OUTPUT_LEN)))
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1806
6de3de3ab71f Issue #8032: For gdb7, a python-gdb.py file is added to the build, Martin v. Löwis <martin@v.loewis.de> parents: diff changeset	1807 PyLocals()

Mercurial > cpython-lru_cache-weakref

annotate Tools/gdb/libpython.py @ 87427:752db82b7933 3.3