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* bpo-40334: Disallow invalid single statements in the new parser (GH-19774)Lysandros Nikolaou2020-04-291-1/+0
| | | | | After parsing is done in single statement mode, the tokenizer buffer has to be checked for additional lines and a `SyntaxError` must be raised, in case there are any. Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670)Victor Stinner2020-04-231-1/+1
| | | | | | | | | | | * Rename PyConfig.use_peg to _use_peg_parser * Document PyConfig._use_peg_parser and mark it a deprecated * Mark -X oldparser option and PYTHONOLDPARSER env var as deprecated in the documentation. * Add use_old_parser() and skip_if_new_parser() to test.support * Remove sys.flags.use_peg: use_old_parser() uses _testinternalcapi.get_configs() instead. * Enhance test_embed tests * subprocess._args_from_interpreter_flags() copies -X oldparser
* bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)Pablo Galindo2020-04-221-0/+1
| | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
* bpo-38640: Allow break and continue in always false while loops (GH-16992)Pablo Galindo2019-10-301-0/+18
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* bpo-37500: Make sure dead code does not generate bytecode but also detect ↵Pablo Galindo2019-07-151-0/+34
| | | | | | | | | | | | syntax errors (GH-14612) https://bugs.python.org/issue37500 Add a new field to the compiler structure that allows to be configured so no bytecode is emitted. In this way is possible to detect errors by walking the nodes while preserving optimizations. https://bugs.python.org/issue37500
* bpo-34100: compile: Re-enable frozenset merging (GH-10760)INADA Naoki2018-11-281-0/+8
| | | This reverts commit 1005c84535191a72ebb7587d8c5636a065b7ed79.
* bpo-34100: Partially revert merge_consts_recursive() (GH-10743)Victor Stinner2018-11-271-10/+0
| | | | | Partically revert commit c2e1607a51d7a17f143b5a34e8cff7c6fc58a091 to fix a reference leak.
* bpo-34100: Merge constants recursively (GH-8341)INADA Naoki2018-11-261-0/+10
| | | | | | | There are some same consts in a module. This commit merges them into single instance. It reduces number of objects in memory after loading modules. https://bugs.python.org/issue34100
* bpo-35193: Fix an off by one error in the RETURN_VALUE case. (GH-10418)Gregory P. Smith2018-11-081-0/+19
| | | | | | | | | | | | Fix an off by one error in the peephole optimizer when checking for unreachable code beyond a return. Do a bounds check within find_op so it can return before going past the end as a safety measure. https://github.com/python/cpython/commit/7db3c488335168993689ddae5914a28e16188447#diff-a33329ae6ae0bb295d742f0caf93c137 introduced this off by one error while fixing another one nearby. This bug was shipped in all Python 3.6 and 3.7 releases. The included unittest won't fail unless you do a clang msan build.
* bpo-35133: Fix mistakes when concatenate string literals on different lines. ↵Serhiy Storchaka2018-11-051-1/+1
| | | | | | | | | | (GH-10284) Two kind of mistakes: 1. Missed space. After concatenating there is no space between words. 2. Missed comma. Causes unintentional concatenating in a list of strings.
* bpo-32489: Allow 'continue' in 'finally' clause. (GH-5822)Serhiy Storchaka2018-03-181-1/+3
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* bpo-32964: Reuse a testing implementation of the path protocol in tests. (#5930)Serhiy Storchaka2018-03-021-8/+2
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* bpo-31113: Get rid of recursion in the compiler for normal control flow. (#3015)Serhiy Storchaka2018-01-111-0/+5
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* bpo-24340: Fix estimation of the code stack size. (#5076)Serhiy Storchaka2018-01-091-1/+290
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* bpo-27169: The __debug__ constant is now optimized out at compile time. (#4880)Serhiy Storchaka2017-12-151-0/+1
| | | This fixes also bpo-22091.
* Issue #29337: Fixed possible BytesWarning when compare the code objects.Serhiy Storchaka2017-01-241-0/+3
|\ | | | | | | Warnings could be emitted at compile time.
| * Issue #29337: Fixed possible BytesWarning when compare the code objects.Serhiy Storchaka2017-01-241-0/+3
| |\ | | | | | | | | | Warnings could be emitted at compile time.
| | * Issue #29337: Fixed possible BytesWarning when compare the code objects.Serhiy Storchaka2017-01-241-0/+3
| | | | | | | | | | | | Warnings could be emitted at compile time.
* | | Issue #18896: Python function can now have more than 255 parameters.Serhiy Storchaka2016-12-161-9/+2
|/ / | | | | | | collections.namedtuple() now supports tuples with more than 255 elements.
* | Issue #27182: Add support for path-like objects to PyUnicode_FSDecoder().Brett Cannon2016-09-061-0/+10
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* | Issue #26754: Undocumented support of general bytes-like objectsSerhiy Storchaka2016-08-061-2/+5
|/ | | | as path in compile() and similar functions is now deprecated.
* Issue #26754: PyUnicode_FSDecoder() accepted a filename argument encoded asSerhiy Storchaka2016-06-181-0/+7
| | | | an iterable of integers. Now only strings and byte-like objects are accepted.
* code_richcompare() now uses the constants typesVictor Stinner2016-01-221-0/+82
| | | | | | | | | Issue #25843: When compiling code, don't merge constants if they are equal but have a different types. For example, "f1, f2 = lambda: 1, lambda: 1.0" is now correctly compiled to two different functions: f1() returns 1 (int) and f2() returns 1.0 (int), even if 1 and 1.0 are equal. Add a new _PyCode_ConstantKey() private function.
* Issue #25388: Fixed tokenizer crash when processing undecodable source codeSerhiy Storchaka2015-11-141-0/+10
|\ | | | | | | with a null byte.
| * Issue #25388: Fixed tokenizer crash when processing undecodable source codeSerhiy Storchaka2015-11-141-0/+10
| | | | | | | | with a null byte.
* | Issue #24802: Update test case for ValueError in 3.5Martin Panter2015-11-081-3/+2
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* | Issue #24802: Merge null termination fixes from 3.4 into 3.5Martin Panter2015-11-071-0/+21
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| * Issue #24802: Copy bytes-like objects to null-terminated buffers if necessaryMartin Panter2015-11-071-0/+21
| | | | | | | | | | | | | | | | This avoids possible buffer overreads when int(), float(), compile(), exec() and eval() are passed bytes-like objects. Similar code is removed from the complex() constructor, where it was not reachable. Patch by John Leitch, Serhiy Storchaka and Martin Panter.
* | Issue #19235: Add new RecursionError exception. Patch by Georg Brandl.Yury Selivanov2015-07-031-1/+1
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* | in dict displays, evaluate the key before the value (closes #11205)Benjamin Peterson2015-05-281-0/+11
| | | | | | | | Patch partially by Steve Dougherty.
* | Fix remaining tests and remove an unused import.Berker Peksag2015-05-061-1/+2
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* | merge 3.4 (#24022)Benjamin Peterson2015-04-211-1/+13
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| * do not call into python api if an exception is set (#24022)Benjamin Peterson2015-04-211-1/+13
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* | Issue #23731: Implement PEP 488.Brett Cannon2015-04-131-1/+1
|/ | | | | | The concept of .pyo files no longer exists. Now .pyc files have an optional `opt-` tag which specifies if any extra optimizations beyond the peepholer were applied.
* Issue #22221: Add tests for compile() with source encoding cookie.Serhiy Storchaka2014-09-051-3/+20
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* Issue #21523: Fix over-pessimistic computation of the stack effect of some ↵Antoine Pitrou2014-05-231-3/+39
| | | | | | | opcodes in the compiler. This also fixes a quadratic compilation time issue noticeable when compiling code with a large number of "and" and "or" operators.
* Issue #18783: Removed existing mentions of Python long type in docstrings,Serhiy Storchaka2013-08-271-1/+1
| | | | error messages and comments.
* Issue #5765: Apply a hard recursion limit in the compilerNick Coghlan2012-11-041-0/+27
| | | | | | | Previously, excessive nesting in expressions would blow the stack and segfault the interpreter. Now, a hard limit based on the configured recursion limit and a hardcoded scaling factor is applied.
* add another test caseBenjamin Peterson2012-01-201-0/+1
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* check after comments, too (#13832)Benjamin Peterson2012-01-191-0/+2
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* Issue #12705: Raise SyntaxError when compiling multiple statements as single ↵Meador Inge2012-01-191-0/+28
| | | | interactive statement
* try to use the same str object for all code filenames when compiling or ↵Benjamin Peterson2011-05-271-0/+9
| | | | | | unmarshalling (#12190) This should reduce memory usage.
* #11515: Merge with 3.1.Ezio Melotti2011-03-151-1/+1
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| * #11515: fix several typos. Patch by Piotr Kasprzyk.Ezio Melotti2011-03-151-1/+1
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| * Merged revisions 73715 via svnmerge fromGeorg Brandl2009-08-131-5/+5
| | | | | | | | | | | | | | | | | | | | svn+ssh://svn.python.org/python/branches/py3k ........ r73715 | benjamin.peterson | 2009-07-01 01:06:06 +0200 (Mi, 01 Jul 2009) | 1 line convert old fail* assertions to assert* ........
* | bring back commented out testBenjamin Peterson2010-03-171-0/+4
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* | Merged revisions 79034 via svnmerge fromBenjamin Peterson2010-03-171-3/+3
| | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r79034 | benjamin.peterson | 2010-03-17 15:41:42 -0500 (Wed, 17 Mar 2010) | 1 line prevent lambda functions from having docstrings #8164 ........
* | Merged revisions 77727 via svnmerge fromEzio Melotti2010-01-241-3/+3
| | | | | | | | | | | | | | | | | | | | svn+ssh://pythondev@svn.python.org/python/trunk ........ r77727 | ezio.melotti | 2010-01-24 18:58:36 +0200 (Sun, 24 Jan 2010) | 1 line use assert[Not]IsInstance where appropriate ........
* | use assert[Not]In where appropriateEzio Melotti2010-01-231-8/+8
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* | use assert[Not]In where appropriateBenjamin Peterson2010-01-191-4/+4
| | | | | | | | A patch from Dave Malcolm.
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