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Author SHA1 Message Date
Ivan Levkivskyi
9932a22897
bpo-33416: Add end positions to Python AST (GH-11605) 
The majority of this PR is tediously passing `end_lineno` and `end_col_offset` everywhere. Here are non-trivial points:
* It is not possible to reconstruct end positions in AST "on the fly", some information is lost after an AST node is constructed, so we need two more attributes for every AST node `end_lineno` and `end_col_offset`.
* I add end position information to both CST and AST.  Although it may be technically possible to avoid adding end positions to CST, the code becomes more cumbersome and less efficient.
* Since the end position is not known for non-leaf CST nodes while the next token is added, this requires a bit of extra care (see `_PyNode_FinalizeEndPos`). Unless I made some mistake, the algorithm should be linear.
* For statements, I "trim" the end position of suites to not include the terminal newlines and dedent (this seems to be what people would expect), for example in
  ```python
  class C:
      pass

  pass
  ```
  the end line and end column for the class definition is (2, 8).
* For `end_col_offset` I use the common Python convention for indexing, for example for `pass` the `end_col_offset` is 4 (not 3), so that `[0:4]` gives one the source code that corresponds to the node.
* I added a helper function `ast.get_source_segment()`, to get source text segment corresponding to a given AST node. It is also useful for testing.

An (inevitable) downside of this PR is that AST now takes almost 25% more memory. I think however it is probably justified by the benefits.
 2019-01-22 11:18:22 +00:00
Serhiy Storchaka
62be74290a
bpo-33012: Fix invalid function cast warnings with gcc 8. (GH-6749) 
Fix invalid function cast warnings with gcc 8
for method conventions different from METH_NOARGS, METH_O and
METH_VARARGS excluding Argument Clinic generated code.
 2018-11-27 13:27:31 +02:00
Victor Stinner
3bb183d7fb
bpo-35177, Python-ast.h: Fix "Yield" compiler warning (GH-10664) 
Partially revert commit 5f2df88b63:
add "#undef Yield" to .c files after including Python-ast.h.

Fix the warning:

    winbase.h(102): warning C4005: 'Yield': macro redefinition
 2018-11-22 18:38:38 +01:00
Victor Stinner
5f2df88b63
bpo-35177: Add dependencies between header files (GH-10361) 
* ast.h now includes Python-ast.h and node.h
* parsetok.h now includes node.h and grammar.h
* symtable.h now includes Python-ast.h
* Modify asdl_c.py to enhance Python-ast.h:

  * Add #ifndef/#define Py_PYTHON_AST_H to be able to include the header
    twice
  * Add "extern { ... }" for C++
  * Undefine "Yield" macro conflicting with winbase.h

* Remove "#undef Yield" from C files, it's now done in Python-ast.h
* Remove now useless includes in C files
 2018-11-12 00:56:19 +01:00
Serhiy Storchaka
e5362eaa75
bpo-33308: Fix a crash in the parser module when convert an ST object. (#6519) 
Converting with line_info=False and col_info=True crashed before.
 2018-04-19 01:55:37 +03:00
stratakis
e8b1965639 bpo-23699: Use a macro to reduce boilerplate code in rich comparison functions (GH-793) 2017-11-02 20:32:54 +10:00
Serhiy Storchaka
a79f4c2195 bpo-30070: Fixed leaks and crashes in errors handling in the parser module. (#1131) 2017-04-19 21:09:21 +03:00
Serhiy Storchaka
228b12edcc Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE wherever 
possible.  Patch is writen with Coccinelle.
 2017-01-23 09:47:21 +02:00
Serhiy Storchaka
06515833fe Replaced outdated macros _PyUnicode_AsString and _PyUnicode_AsStringAndSize 
with PyUnicode_AsUTF8 and PyUnicode_AsUTF8AndSize.
 2016-11-20 09:13:07 +02:00
Benjamin Peterson
53595c4879 replace custom validation logic in the parse module with a simple DFA validator (closes #26526) 
Patch from A. Skrobov.
 2016-06-02 11:30:18 -07:00
Serhiy Storchaka
ef1585eb9a Issue #25923: Added more const qualifiers to signatures of static and private functions. 2015-12-25 20:01:53 +02:00
Serhiy Storchaka
2d06e84455 Issue #25923: Added the const qualifier to static constant arrays. 2015-12-25 19:53:18 +02:00
Serhiy Storchaka
5c4064e8bd Issue #25421: __sizeof__ methods of builtin types now use dynamic basic size. 
This allows sys.getsize() to work correctly with their subclasses with
__slots__ defined.
 2015-12-19 20:05:25 +02:00
Yury Selivanov
14acf5f41d Issue #24791: Fix grammar regression for call syntax: 'g(*a or b)'. 2015-08-05 17:54:10 -04:00
Benjamin Peterson
de12b79cd6 allow test node after ** in calls (closes #24176) 2015-05-16 09:44:45 -04:00
Yury Selivanov
7544508f02 PEP 0492 -- Coroutines with async and await syntax. Issue #24017. 2015-05-11 22:57:16 -04:00
Benjamin Peterson
025e9ebd0a PEP 448: additional unpacking generalizations (closes #2292) 
Patch by Neil Girdhar.
 2015-05-05 20:16:41 -04:00
Serhiy Storchaka
009b811d67 Removed unintentional trailing spaces in non-external and non-generated C files. 2015-03-18 21:53:15 +02:00
Victor Stinner
f4c68db162 (Merge 3.3) parser: fix usage of Py_BuildValue() to build a parser error 
Fix typo: "os" format => "Os"
 2014-01-02 11:50:10 +01:00
Victor Stinner
5f8d485982 parser: fix usage of Py_BuildValue() to build a parser error 
Fix typo: "os" format => "Os"
 2014-01-02 11:49:27 +01:00
Victor Stinner
14e461d5b9 Close #11619: The parser and the import machinery do not encode Unicode 
filenames anymore on Windows.
 2013-08-26 22:28:21 +02:00
Victor Stinner
6684bdf73d Issue #18408: Fix typo in build_node_tree() of the parser module 
Type "o" format of Py_BuildValue() is invalid: it must be "O".
 2013-07-17 00:13:52 +02:00
Victor Stinner
df4572cc71 Issue #18408: parser module: fix error handling in node2tuple() 
Handle PyLong_FromLong() and PyUnicode_FromString() failures
 2013-07-12 01:35:10 +02:00
Victor Stinner
3bd6abd129 Issue #18408: Fix parser.sequence2st() and parser.tuple2st(): raise MemoryError 
on memory allocation failure

Instead of ignoring the memory allocation failure and create invalid objects.
 2013-07-12 01:33:59 +02:00
Serhiy Storchaka
9101e23ff6 Issue #15989: Fix several occurrences of integer overflow 
when result of PyLong_AsLong() narrowed to int without checks.

This is a backport of changesets 13e2e44db99d and 525407d89277.
 2013-01-19 12:41:45 +02:00
Serhiy Storchaka
7898043868 Issue #15989: Fix several occurrences of integer overflow 
when result of PyLong_AsLong() narrowed to int without checks.
 2013-01-15 01:12:17 +02:00
Andrew Svetlov
5b89840d9c Issue #16714: use 'raise' exceptions, don't 'throw'. 
Patch by Serhiy Storchaka.
 2012-12-18 21:26:36 +02:00
Andrew Svetlov
737fb89dd1 Issue #16714: use 'raise' exceptions, don't 'throw'. 
Patch by Serhiy Storchaka.
 2012-12-18 21:14:22 +02:00
Antoine Pitrou
721738fbee Issue #15604: Update uses of PyObject_IsTrue() to check for and handle errors correctly. 
Patch by Serhiy Storchaka.
 2012-08-15 23:20:39 +02:00
Antoine Pitrou
6f430e4963 Issue #15604: Update uses of PyObject_IsTrue() to check for and handle errors correctly. 
Patch by Serhiy Storchaka.
 2012-08-15 23:18:25 +02:00
Jesus Cea
88ca04e6a8 MERGE: Closes #15512: Correct __sizeof__ support for parser 2012-08-03 14:29:26 +02:00
Jesus Cea
e9c5318967 Closes #15512: Correct __sizeof__ support for parser 2012-08-03 14:28:37 +02:00
Mark Dickinson
943cab2fec Issue #14741: Merge fix from 3.2. 2012-05-07 17:25:14 +01:00
Mark Dickinson
da029fb293 Issue #14741: Fix missing support for ellipsis in parser module. 2012-05-07 17:24:04 +01:00
Mark Dickinson
72f6095d4f Issue #14697: Merge fix from 3.2. 2012-05-07 16:36:33 +01:00
Mark Dickinson
11c1dee183 Issue #14697: Fix missing parser module support for set displays and set comprehensions. 2012-05-07 16:34:34 +01:00
Mark Dickinson
cf360b9209 Issue #14701: Add missing support for 'raise ... from' in parser module. 2012-05-07 12:01:27 +01:00
Mark Dickinson
9fad160411 Issue #14701: Merge fix from 3.2. 2012-05-07 12:03:11 +01:00
Mark Dickinson
57404891a0 Issue #14696: Merge from 3.2 2012-04-29 22:20:01 +01:00
Mark Dickinson
407b3bd89b Issue #14696: Fix parser module to understand 'nonlocal' declarations. 2012-04-29 22:18:31 +01:00
Mark Dickinson
b63fd2a408 Issue #9154: Merge fix from 3.2. 2012-04-29 18:35:56 +01:00
Mark Dickinson
ea7e9f9a83 Issue #9154: Fix parser module to understand function annotations. 2012-04-29 18:34:40 +01:00
Nick Coghlan
1f7ce62bd6 Implement PEP 380 - 'yield from' (closes #11682) 2012-01-13 21:43:40 +10:00
Martin v. Löwis
bd928fef42 Rename _Py_identifier to _Py_IDENTIFIER. 2011-10-14 10:20:37 +02:00
Martin v. Löwis
1ee1b6fe0d Use identifier API for PyObject_GetAttrString. 2011-10-10 18:11:30 +02:00
Benjamin Peterson
f0cdbad1b3 always clear parser error 2011-06-05 22:14:05 -05:00
Benjamin Peterson
f719957d7a only clear the parser error if it's set (closes #12264) 2011-06-04 22:06:42 -05:00
Victor Stinner
7f2fee3640 Issue #10785: Store the filename as Unicode in the Python parser. 2011-04-05 00:39:01 +02:00
Ezio Melotti
4969f709cc #11515: Merge with 3.1. 2011-03-15 05:59:46 +02:00
Ezio Melotti
42da663e6f #11515: fix several typos. Patch by Piotr Kasprzyk. 2011-03-15 05:18:48 +02:00