Mercurial > cpython-lru_cache-weakref

annotate Python/future.c @ 50076:c7abfab4dcdb 3.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merged revisions 67525-67527,67529,67548-67549,67551-67552,67555,67578,67586,67593-67594,67596,67605-67606,67609,67612,67616-67617,67632,67635,67638 via svnmerge from svn+ssh://svn.python.org/python/branches/py3k ........ r67525 | georg.brandl | 2008-12-04 19:18:16 +0100 (Thu, 04 Dec 2008) | 2 lines #4527: fix "unicode or string". ........ r67526 | georg.brandl | 2008-12-04 19:19:41 +0100 (Thu, 04 Dec 2008) | 2 lines #4526: fix typo. ........ r67527 | georg.brandl | 2008-12-04 19:21:46 +0100 (Thu, 04 Dec 2008) | 2 lines #4521: fix getcwdu() vs getcwdb(). ........ r67529 | georg.brandl | 2008-12-04 19:28:38 +0100 (Thu, 04 Dec 2008) | 2 lines #4513: remove traces of zip() docstring from when it was izip(). ........ r67548 | guido.van.rossum | 2008-12-05 06:49:12 +0100 (Fri, 05 Dec 2008) | 3 lines Tweak verbiage and markup for relative/absolute import. Backport candidate. (I guess *all* changes to this file should be backported to the 3.0 branch.) ........ r67549 | martin.v.loewis | 2008-12-05 08:20:46 +0100 (Fri, 05 Dec 2008) | 2 lines Send mails to python-checkins now. ........ r67551 | georg.brandl | 2008-12-05 08:32:56 +0100 (Fri, 05 Dec 2008) | 2 lines #4355: refer to urlencode in the correct module. ........ r67552 | georg.brandl | 2008-12-05 08:45:54 +0100 (Fri, 05 Dec 2008) | 2 lines #4401: Re-add os.extsep. ........ r67555 | georg.brandl | 2008-12-05 08:57:51 +0100 (Fri, 05 Dec 2008) | 2 lines #4427: fix arguments for "y" BuildValue type. ........ r67578 | georg.brandl | 2008-12-05 16:12:15 +0100 (Fri, 05 Dec 2008) | 2 lines #4504, #4505: Update noddy examples in "Extending & Embedding". ........ r67586 | georg.brandl | 2008-12-05 16:55:41 +0100 (Fri, 05 Dec 2008) | 2 lines Manually merged r67583: move __import__ doc to the bottom. ........ r67593 | georg.brandl | 2008-12-05 19:04:41 +0100 (Fri, 05 Dec 2008) | 2 lines #4550: fix 2.x syntax in webservers howto. ........ r67594 | georg.brandl | 2008-12-05 19:06:58 +0100 (Fri, 05 Dec 2008) | 2 lines #4549: Mention nonlocal statement in tutorial section about scoping. ........ r67596 | georg.brandl | 2008-12-05 19:31:51 +0100 (Fri, 05 Dec 2008) | 2 lines Use :samp: role. ........ r67605 | georg.brandl | 2008-12-06 09:12:11 +0100 (Sat, 06 Dec 2008) | 2 lines #4557: remove 'c' typecode from array docs and add a note in whatsnew. ........ r67606 | georg.brandl | 2008-12-06 09:14:46 +0100 (Sat, 06 Dec 2008) | 2 lines cmp() is not really gone. ........ r67609 | georg.brandl | 2008-12-06 15:28:56 +0100 (Sat, 06 Dec 2008) | 2 lines #4562: fix zip() examples. ........ r67612 | skip.montanaro | 2008-12-06 18:25:02 +0100 (Sat, 06 Dec 2008) | 2 lines issue 4483 - _dbm build failures on systems with gdbm_compat lib. ........ r67616 | benjamin.peterson | 2008-12-06 19:32:13 +0100 (Sat, 06 Dec 2008) | 1 line there are only four asdl builtin types in py3k ........ r67617 | benjamin.peterson | 2008-12-06 19:33:20 +0100 (Sat, 06 Dec 2008) | 1 line update version number ........ r67632 | georg.brandl | 2008-12-07 15:09:20 +0100 (Sun, 07 Dec 2008) | 2 lines #4576: fix ob_type access. ........ r67635 | benjamin.peterson | 2008-12-07 15:58:03 +0100 (Sun, 07 Dec 2008) | 1 line document how to deal with binary standard streams ........ r67638 | benjamin.peterson | 2008-12-07 16:07:02 +0100 (Sun, 07 Dec 2008) | 1 line remove extraneous 'text' ........
author Georg Brandl <georg@python.org>
date Sun, 07 Dec 2008 15:52:13 +0000
parents bd0e9a9cd283
children 0530aadff696
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1 #include "Python.h"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
2 #include "Python-ast.h"
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3 #include "node.h"
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
4 #include "token.h"
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
5 #include "graminit.h"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
6 #include "code.h"
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
7 #include "compile.h"
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
8 #include "symtable.h"
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
9
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
10 #define UNDEFINED_FUTURE_FEATURE "future feature %.100s is not defined"
49633
bd0e9a9cd283 Merged revisions 67028,67040,67044,67046,67052,67065,67070,67077,67082 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
11 #define ERR_LATE_FUTURE \
bd0e9a9cd283 Merged revisions 67028,67040,67044,67046,67052,67065,67070,67077,67082 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
12 "from __future__ imports must occur at the beginning of the file"
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
13
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
14 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
15 future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
16 {
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
17 int i;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
18 asdl_seq *names;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
19
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
20 assert(s->kind == ImportFrom_kind);
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
21
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
22 names = s->v.ImportFrom.names;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
23 for (i = 0; i < asdl_seq_LEN(names); i++) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36988
diff changeset
24 alias_ty name = (alias_ty)asdl_seq_GET(names, i);
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 46120
diff changeset
25 const char *feature = _PyUnicode_AsString(name->name);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
26 if (!feature)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
27 return 0;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
28 if (strcmp(feature, FUTURE_NESTED_SCOPES) == 0) {
19158
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
29 continue;
18609
59446d0f8341 Preliminary support for "from __future__ import generators" to enable
Guido van Rossum <guido@python.org>
parents: 17018
diff changeset
30 } else if (strcmp(feature, FUTURE_GENERATORS) == 0) {
22968
ba0236f84318 Removed more hair in support of future-generator stmts.
Tim Peters <tim.peters@gmail.com>
parents: 19407
diff changeset
31 continue;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 18612
diff changeset
32 } else if (strcmp(feature, FUTURE_DIVISION) == 0) {
36988
49c6eb688906 Checkpoint. 218 tests are okay; 53 are failing. Done so far:
Guido van Rossum <guido@python.org>
parents: 36726
diff changeset
33 continue;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36988
diff changeset
34 } else if (strcmp(feature, FUTURE_ABSOLUTE_IMPORT) == 0) {
36988
49c6eb688906 Checkpoint. 218 tests are okay; 53 are failing. Done so far:
Guido van Rossum <guido@python.org>
parents: 36726
diff changeset
35 continue;
36726
bbf16fd024df from __future__ import with_statement addon for 'with', mostly written by
Thomas Wouters <thomas@python.org>
parents: 36712
diff changeset
36 } else if (strcmp(feature, FUTURE_WITH_STATEMENT) == 0) {
36988
49c6eb688906 Checkpoint. 218 tests are okay; 53 are failing. Done so far:
Guido van Rossum <guido@python.org>
parents: 36726
diff changeset
37 continue;
45965
91ac8049e709 Add __future__ import for print_function. It's a no-op in 3.0, but it needs to not be a syntax error.
Eric Smith <eric@trueblade.com>
parents: 44568
diff changeset
38 } else if (strcmp(feature, FUTURE_PRINT_FUNCTION) == 0) {
91ac8049e709 Add __future__ import for print_function. It's a no-op in 3.0, but it needs to not be a syntax error.
Eric Smith <eric@trueblade.com>
parents: 44568
diff changeset
39 continue;
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45965
diff changeset
40 } else if (strcmp(feature, FUTURE_UNICODE_LITERALS) == 0) {
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45965
diff changeset
41 continue;
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16824
diff changeset
42 } else if (strcmp(feature, "braces") == 0) {
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16824
diff changeset
43 PyErr_SetString(PyExc_SyntaxError,
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16824
diff changeset
44 "not a chance");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
45 PyErr_SyntaxLocation(filename, s->lineno);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
46 return 0;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
47 } else {
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
48 PyErr_Format(PyExc_SyntaxError,
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
49 UNDEFINED_FUTURE_FEATURE, feature);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
50 PyErr_SyntaxLocation(filename, s->lineno);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
51 return 0;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
52 }
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
53 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
54 return 1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
55 }
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
56
35862
6867995a18a7 Prevent name pollution by making lots of internal functions static.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35742
diff changeset
57 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
58 future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
59 {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
60 int i, found_docstring = 0, done = 0, prev_line = 0;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
61
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
62 static PyObject *future;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
63 if (!future) {
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 39442
diff changeset
64 future = PyUnicode_InternFromString("__future__");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
65 if (!future)
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
66 return 0;
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
67 }
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
68
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
69 if (!(mod->kind == Module_kind || mod->kind == Interactive_kind))
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
70 return 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
71
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
72 /* A subsequent pass will detect future imports that don't
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
73 appear at the beginning of the file. There's one case,
44568
305d7d2ce047 Copied doc for reload() from trunk's function.rst to imp.rst
Christian Heimes <christian@cheimes.de>
parents: 42822
diff changeset
74 however, that is easier to handle here: A series of imports
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
75 joined by semi-colons, where the first import is a future
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
76 statement but some subsequent import has the future form
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
77 but is preceded by a regular import.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
78 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
79
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
80
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
81 for (i = 0; i < asdl_seq_LEN(mod->v.Module.body); i++) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36988
diff changeset
82 stmt_ty s = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
83
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
84 if (done && s->lineno > prev_line)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
85 return 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
86 prev_line = s->lineno;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
87
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
88 /* The tests below will return from this function unless it is
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
89 still possible to find a future statement. The only things
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
90 that can precede a future statement are another future
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
91 statement and a doc string.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
92 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
93
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
94 if (s->kind == ImportFrom_kind) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
95 if (s->v.ImportFrom.module == future) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
96 if (done) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
97 PyErr_SetString(PyExc_SyntaxError,
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
98 ERR_LATE_FUTURE);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
99 PyErr_SyntaxLocation(filename,
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
100 s->lineno);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
101 return 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
102 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
103 if (!future_check_features(ff, s, filename))
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
104 return 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
105 ff->ff_lineno = s->lineno;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
106 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
107 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
108 done = 1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
109 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
110 else if (s->kind == Expr_kind && !found_docstring) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
111 expr_ty e = s->v.Expr.value;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
112 if (e->kind != Str_kind)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
113 done = 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
114 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
115 found_docstring = 1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
116 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
117 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
118 done = 1;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
119 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
120 return 1;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
121 }
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
122
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
123
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
124 PyFutureFeatures *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
125 PyFuture_FromAST(mod_ty mod, const char *filename)
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
126 {
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
127 PyFutureFeatures *ff;
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
128
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36988
diff changeset
129 ff = (PyFutureFeatures *)PyObject_Malloc(sizeof(PyFutureFeatures));
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
130 if (ff == NULL) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
131 PyErr_NoMemory();
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
132 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
133 }
19158
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
134 ff->ff_features = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
135 ff->ff_lineno = -1;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
136
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 34539
diff changeset
137 if (!future_parse(ff, mod, filename)) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36988
diff changeset
138 PyObject_Free(ff);
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
139 return NULL;
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
140 }
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
141 return ff;
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
142 }