cpython-lru_cache-weakref: Python/symtable.c annotate

annotate Python/symtable.c @ 60889:86fadaebcf66

Issue #8124: PySys_WriteStdout() and PySys_WriteStderr() don't execute indirectly Python signal handlers anymore because mywrite() ignores exceptions (KeyboardInterrupt).

author	Victor Stinner <victor.stinner@haypocalc.com>
date	Fri, 23 Apr 2010 12:02:30 +0000
parents	18af0ce0a58b
children	cab14be0ada1

rev	line source
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence 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: 32121 diff changeset	2 #include "Python-ast.h"
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	3 #include "code.h"
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	4 #include "symtable.h"
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	5 #include "structmember.h"
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	6
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	7 /* error strings used for warnings */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	8 #define GLOBAL_AFTER_ASSIGN \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	9 "name '%.400s' is assigned to before global declaration"
21325 8a26bb369f53 Add a comment explaining the st_symbols cache. Jeremy Hylton <jeremy@alum.mit.edu> parents: 21314 diff changeset	10
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	11 #define NONLOCAL_AFTER_ASSIGN \
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	12 "name '%.400s' is assigned to before nonlocal declaration"
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	13
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	14 #define GLOBAL_AFTER_USE \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	15 "name '%.400s' is used prior to global declaration"
21325 8a26bb369f53 Add a comment explaining the st_symbols cache. Jeremy Hylton <jeremy@alum.mit.edu> parents: 21314 diff changeset	16
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	17 #define NONLOCAL_AFTER_USE \
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	18 "name '%.400s' is used prior to nonlocal declaration"
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	19
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	20 #define IMPORT_STAR_WARNING "import * only allowed at module level"
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	21
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	22 #define RETURN_VAL_IN_GENERATOR \
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	23 "'return' with argument inside generator"
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	24
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	25
36739 796d150e45a9 No need to export PySTEntry_New, it is only used in symtable.c Neal Norwitz <nnorwitz@gmail.com> parents: 36695 diff changeset	26 static PySTEntryObject *
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	27 ste_new(struct symtable *st, identifier name, _Py_block_ty block,
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	28 void *key, int lineno)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	29 {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	30 PySTEntryObject *ste = NULL;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	31 PyObject *k;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	32
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	33 k = PyLong_FromVoidPtr(key);
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	34 if (k == NULL)
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	35 goto fail;
45774 058fbfb985ae Merged revisions 61404-61407 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	36 ste = PyObject_New(PySTEntryObject, &PySTEntry_Type);
058fbfb985ae Merged revisions 61404-61407 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	37 if (ste == NULL)
058fbfb985ae Merged revisions 61404-61407 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	38 goto fail;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	39 ste->ste_table = st;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	40 ste->ste_id = k;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	41
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	42 ste->ste_name = name;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	43 Py_INCREF(name);
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	44
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	45 ste->ste_symbols = NULL;
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	46 ste->ste_varnames = NULL;
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	47 ste->ste_children = NULL;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	48
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	49 ste->ste_symbols = PyDict_New();
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	50 if (ste->ste_symbols == NULL)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	51 goto fail;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	52
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	53 ste->ste_varnames = PyList_New(0);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	54 if (ste->ste_varnames == NULL)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	55 goto fail;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	56
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	57 ste->ste_children = PyList_New(0);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	58 if (ste->ste_children == NULL)
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	59 goto fail;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	60
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	61 ste->ste_type = block;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	62 ste->ste_unoptimized = 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	63 ste->ste_nested = 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	64 ste->ste_free = 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	65 ste->ste_varargs = 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	66 ste->ste_varkeywords = 0;
21179 485422900ef0 SF bug #488687 reported by Neal Norwitz Jeremy Hylton <jeremy@alum.mit.edu> parents: 21090 diff changeset	67 ste->ste_opt_lineno = 0;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	68 ste->ste_lineno = lineno;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	69
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	70 if (st->st_cur != NULL &&
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	71 (st->st_cur->ste_nested \|\|
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	72 st->st_cur->ste_type == FunctionBlock))
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	73 ste->ste_nested = 1;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	74 ste->ste_child_free = 0;
18148 7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay! Tim Peters <tim.peters@gmail.com> parents: 16799 diff changeset	75 ste->ste_generator = 0;
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	76 ste->ste_returns_value = 0;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	77
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	78 if (PyDict_SetItem(st->st_blocks, ste->ste_id, (PyObject *)ste) < 0)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	79 goto fail;
16753 51977af230fa Fix for bug 133489: compiler leaks memory Jeremy Hylton <jeremy@alum.mit.edu> parents: 16539 diff changeset	80
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	81 return ste;
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	82 fail:
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	83 Py_XDECREF(ste);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	84 return NULL;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	85 }
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	86
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	87 static PyObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	88 ste_repr(PySTEntryObject *ste)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	89 {
42042 e0f927414dfa Simplify ste_repr(). Walter Dörwald <walter@livinglogic.de> parents: 42013 diff changeset	90 return PyUnicode_FromFormat("<symtable entry %U(%ld), line %d>",
e0f927414dfa Simplify ste_repr(). Walter Dörwald <walter@livinglogic.de> parents: 42013 diff changeset	91 ste->ste_name,
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	92 PyLong_AS_LONG(ste->ste_id), ste->ste_lineno);
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	93 }
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	94
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	95 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	96 ste_dealloc(PySTEntryObject *ste)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	97 {
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	98 ste->ste_table = NULL;
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	99 Py_XDECREF(ste->ste_id);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	100 Py_XDECREF(ste->ste_name);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	101 Py_XDECREF(ste->ste_symbols);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	102 Py_XDECREF(ste->ste_varnames);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	103 Py_XDECREF(ste->ste_children);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	104 PyObject_Del(ste);
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	105 }
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	106
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	107 #define OFF(x) offsetof(PySTEntryObject, x)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	108
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	109 static PyMemberDef ste_memberlist[] = {
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	110 {"id", T_OBJECT, OFF(ste_id), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	111 {"name", T_OBJECT, OFF(ste_name), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	112 {"symbols", T_OBJECT, OFF(ste_symbols), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	113 {"varnames", T_OBJECT, OFF(ste_varnames), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	114 {"children", T_OBJECT, OFF(ste_children), READONLY},
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	115 {"optimized",T_INT, OFF(ste_unoptimized), READONLY},
40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	116 {"nested", T_INT, OFF(ste_nested), READONLY},
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	117 {"type", T_INT, OFF(ste_type), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	118 {"lineno", T_INT, OFF(ste_lineno), READONLY},
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	119 {NULL}
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	120 };
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	121
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	122 PyTypeObject PySTEntry_Type = {
42334 e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 42193 diff changeset	123 PyVarObject_HEAD_INIT(&PyType_Type, 0)
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	124 "symtable entry",
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	125 sizeof(PySTEntryObject),
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	126 0,
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	127 (destructor)ste_dealloc, /* tp_dealloc */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	128 0, /* tp_print */
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	129 0, /* tp_getattr */
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	130 0, /* tp_setattr */
51271 87fbbf22adf3 Merged revisions 69214 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 48725 diff changeset	131 0, /* tp_reserved */
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	132 (reprfunc)ste_repr, /* tp_repr */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	133 0, /* tp_as_number */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	134 0, /* tp_as_sequence */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	135 0, /* tp_as_mapping */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	136 0, /* tp_hash */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	137 0, /* tp_call */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	138 0, /* tp_str */
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	139 PyObject_GenericGetAttr, /* tp_getattro */
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	140 0, /* tp_setattro */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	141 0, /* tp_as_buffer */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	142 Py_TPFLAGS_DEFAULT, /* tp_flags */
a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	143 0, /* tp_doc */
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	144 0, /* tp_traverse */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	145 0, /* tp_clear */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	146 0, /* tp_richcompare */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	147 0, /* tp_weaklistoffset */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	148 0, /* tp_iter */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	149 0, /* tp_iternext */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	150 0, /* tp_methods */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	151 ste_memberlist, /* tp_members */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	152 0, /* tp_getset */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	153 0, /* tp_base */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	154 0, /* tp_dict */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	155 0, /* tp_descr_get */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	156 0, /* tp_descr_set */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	157 0, /* tp_dictoffset */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	158 0, /* tp_init */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	159 0, /* tp_alloc */
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 18148 diff changeset	160 0, /* tp_new */
16539 a47d93ef103a Relax the rules for using 'from ... import ' and exec in the presence Jeremy Hylton <jeremy@alum.mit.edu>* parents: diff changeset	161 };
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	162
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	163 static int symtable_analyze(struct symtable *st);
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	164 static int symtable_warn(struct symtable st, char msg, int lineno);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	165 static int symtable_enter_block(struct symtable *st, identifier name,
35793 914ec0afa51c Do not pollute name block_ty, prefix with _Py_ Neal Norwitz <nnorwitz@gmail.com> parents: 35780 diff changeset	166 _Py_block_ty block, void *ast, int lineno);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	167 static int symtable_exit_block(struct symtable st, void ast);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	168 static int symtable_visit_stmt(struct symtable *st, stmt_ty s);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	169 static int symtable_visit_expr(struct symtable *st, expr_ty s);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	170 static int symtable_visit_genexp(struct symtable *st, expr_ty s);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	171 static int symtable_visit_listcomp(struct symtable *st, expr_ty s);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	172 static int symtable_visit_setcomp(struct symtable *st, expr_ty s);
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	173 static int symtable_visit_dictcomp(struct symtable *st, expr_ty s);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	174 static int symtable_visit_arguments(struct symtable *st, arguments_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	175 static int symtable_visit_excepthandler(struct symtable *st, excepthandler_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	176 static int symtable_visit_alias(struct symtable *st, alias_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	177 static int symtable_visit_comprehension(struct symtable *st, comprehension_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	178 static int symtable_visit_keyword(struct symtable *st, keyword_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	179 static int symtable_visit_slice(struct symtable *st, slice_ty);
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	180 static int symtable_visit_params(struct symtable st, asdl_seq args);
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	181 static int symtable_visit_argannotations(struct symtable st, asdl_seq args);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	182 static int symtable_implicit_arg(struct symtable *st, int pos);
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	183 static int symtable_visit_annotations(struct symtable *st, stmt_ty s);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	184
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	185
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	186 static identifier top = NULL, lambda = NULL, genexpr = NULL,
51959 d342a725b2d5 instead of hacking __locals__ in during bytecode generation, put it in the symtable Benjamin Peterson <benjamin@python.org> parents: 51271 diff changeset	187 listcomp = NULL, setcomp = NULL, dictcomp = NULL,
d342a725b2d5 instead of hacking __locals__ in during bytecode generation, put it in the symtable Benjamin Peterson <benjamin@python.org> parents: 51271 diff changeset	188 __class__ = NULL, __locals__ = NULL;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	189
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	190 #define GET_IDENTIFIER(VAR) \
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	191 ((VAR) ? (VAR) : ((VAR) = PyUnicode_InternFromString(# VAR)))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	192
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	193 #define DUPLICATE_ARGUMENT \
42801 41da49c97a59 Use unicode for error messages of duplicate args Neal Norwitz <nnorwitz@gmail.com> parents: 42455 diff changeset	194 "duplicate argument '%U' in function definition"
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	195
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	196 static struct symtable *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	197 symtable_new(void)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	198 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	199 struct symtable *st;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	200
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	201 st = (struct symtable *)PyMem_Malloc(sizeof(struct symtable));
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	202 if (st == NULL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	203 return NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	204
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	205 st->st_filename = NULL;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	206 st->st_blocks = NULL;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	207
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	208 if ((st->st_stack = PyList_New(0)) == NULL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	209 goto fail;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	210 if ((st->st_blocks = PyDict_New()) == NULL)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	211 goto fail;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	212 st->st_cur = NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	213 st->st_private = NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	214 return st;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	215 fail:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	216 PySymtable_Free(st);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	217 return NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	218 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	219
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	220 struct symtable *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	221 PySymtable_Build(mod_ty mod, const char filename, PyFutureFeatures future)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	222 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	223 struct symtable *st = symtable_new();
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	224 asdl_seq *seq;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	225 int i;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	226
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	227 if (st == NULL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	228 return st;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	229 st->st_filename = filename;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	230 st->st_future = future;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	231 /* Make the initial symbol information gathering pass */
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	232 if (!GET_IDENTIFIER(top) \|\|
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	233 !symtable_enter_block(st, top, ModuleBlock, (void *)mod, 0)) {
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	234 PySymtable_Free(st);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	235 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	236 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	237
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	238 st->st_top = st->st_cur;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	239 st->st_cur->ste_unoptimized = OPT_TOPLEVEL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	240 switch (mod->kind) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	241 case Module_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	242 seq = mod->v.Module.body;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	243 for (i = 0; i < asdl_seq_LEN(seq); i++)
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	244 if (!symtable_visit_stmt(st,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	245 (stmt_ty)asdl_seq_GET(seq, i)))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	246 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	247 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	248 case Expression_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	249 if (!symtable_visit_expr(st, mod->v.Expression.body))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	250 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	251 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	252 case Interactive_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	253 seq = mod->v.Interactive.body;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	254 for (i = 0; i < asdl_seq_LEN(seq); i++)
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	255 if (!symtable_visit_stmt(st,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	256 (stmt_ty)asdl_seq_GET(seq, i)))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	257 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	258 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	259 case Suite_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	260 PyErr_SetString(PyExc_RuntimeError,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	261 "this compiler does not handle Suites");
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	262 goto error;
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	263 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	264 if (!symtable_exit_block(st, (void *)mod)) {
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	265 PySymtable_Free(st);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	266 return NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	267 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	268 /* Make the second symbol analysis pass */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	269 if (symtable_analyze(st))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	270 return st;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	271 PySymtable_Free(st);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	272 return NULL;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	273 error:
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	274 (void) symtable_exit_block(st, (void *)mod);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	275 PySymtable_Free(st);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	276 return NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	277 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	278
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	279 void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	280 PySymtable_Free(struct symtable *st)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	281 {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	282 Py_XDECREF(st->st_blocks);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	283 Py_XDECREF(st->st_stack);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	284 PyMem_Free((void *)st);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	285 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	286
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	287 PySTEntryObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	288 PySymtable_Lookup(struct symtable st, void key)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	289 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	290 PyObject k, v;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	291
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	292 k = PyLong_FromVoidPtr(key);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	293 if (k == NULL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	294 return NULL;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	295 v = PyDict_GetItem(st->st_blocks, k);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	296 if (v) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	297 assert(PySTEntry_Check(v));
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	298 Py_INCREF(v);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	299 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	300 else {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	301 PyErr_SetString(PyExc_KeyError,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	302 "unknown symbol table entry");
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	303 }
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	304
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	305 Py_DECREF(k);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	306 return (PySTEntryObject *)v;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	307 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	308
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	309 int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	310 PyST_GetScope(PySTEntryObject ste, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	311 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	312 PyObject *v = PyDict_GetItem(ste->ste_symbols, name);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	313 if (!v)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	314 return 0;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	315 assert(PyLong_Check(v));
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	316 return (PyLong_AS_LONG(v) >> SCOPE_OFFSET) & SCOPE_MASK;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	317 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	318
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	319
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	320 /* Analyze raw symbol information to determine scope of each name.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	321
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	322 The next several functions are helpers for symtable_analyze(),
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	323 which determines whether a name is local, global, or free. In addition,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	324 it determines which local variables are cell variables; they provide
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	325 bindings that are used for free variables in enclosed blocks.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	326
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	327 There are also two kinds of global variables, implicit and explicit. An
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	328 explicit global is declared with the global statement. An implicit
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	329 global is a free variable for which the compiler has found no binding
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	330 in an enclosing function scope. The implicit global is either a global
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	331 or a builtin. Python's module and class blocks use the xxx_NAME opcodes
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	332 to handle these names to implement slightly odd semantics. In such a
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	333 block, the name is treated as global until it is assigned to; then it
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	334 is treated as a local.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	335
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	336 The symbol table requires two passes to determine the scope of each name.
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	337 The first pass collects raw facts from the AST via the symtable_visit_*
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	338 functions: the name is a parameter here, the name is used but not defined
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	339 here, etc. The second pass analyzes these facts during a pass over the
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	340 PySTEntryObjects created during pass 1.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	341
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	342 When a function is entered during the second pass, the parent passes
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	343 the set of all name bindings visible to its children. These bindings
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	344 are used to determine if non-local variables are free or implicit globals.
41508 55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	345 Names which are explicitly declared nonlocal must exist in this set of
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	346 visible names - if they do not, a syntax error is raised. After doing
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	347 the local analysis, it analyzes each of its child blocks using an
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	348 updated set of name bindings.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	349
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	350 The children update the free variable set. If a local variable is added to
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	351 the free variable set by the child, the variable is marked as a cell. The
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	352 function object being defined must provide runtime storage for the variable
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	353 that may outlive the function's frame. Cell variables are removed from the
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	354 free set before the analyze function returns to its parent.
41508 55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	355
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	356 During analysis, the names are:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	357 symbols: dict mapping from symbol names to flag values (including offset scope values)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	358 scopes: dict mapping from symbol names to scope values (no offset)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	359 local: set of all symbol names local to the current scope
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	360 bound: set of all symbol names local to a containing function scope
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	361 free: set of all symbol names referenced but not bound in child scopes
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	362 global: set of all symbol names explicitly declared as global
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	363 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	364
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	365 #define SET_SCOPE(DICT, NAME, I) { \
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	366 PyObject *o = PyLong_FromLong(I); \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	367 if (!o) \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	368 return 0; \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	369 if (PyDict_SetItem((DICT), (NAME), o) < 0) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	370 Py_DECREF(o); \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	371 return 0; \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	372 } \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	373 Py_DECREF(o); \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	374 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	375
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	376 /* Decide on scope of name, given flags.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	377
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	378 The namespace dictionaries may be modified to record information
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	379 about the new name. For example, a new global will add an entry to
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	380 global. A name that was global can be changed to local.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	381 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	382
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	383 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	384 analyze_name(PySTEntryObject ste, PyObject scopes, PyObject *name, long flags,
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	385 PyObject bound, PyObject local, PyObject *free,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	386 PyObject *global)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	387 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	388 if (flags & DEF_GLOBAL) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	389 if (flags & DEF_PARAM) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	390 PyErr_Format(PyExc_SyntaxError,
42043 61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	391 "name '%U' is parameter and global",
61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	392 name);
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	393 PyErr_SyntaxLocation(ste->ste_table->st_filename,
40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	394 ste->ste_lineno);
40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	395
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	396 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	397 }
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	398 if (flags & DEF_NONLOCAL) {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	399 PyErr_Format(PyExc_SyntaxError,
42043 61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	400 "name '%U' is nonlocal and global",
61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	401 name);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	402 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	403 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	404 SET_SCOPE(scopes, name, GLOBAL_EXPLICIT);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	405 if (PySet_Add(global, name) < 0)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	406 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	407 if (bound && (PySet_Discard(bound, name) < 0))
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	408 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	409 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	410 }
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	411 if (flags & DEF_NONLOCAL) {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	412 if (flags & DEF_PARAM) {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	413 PyErr_Format(PyExc_SyntaxError,
42043 61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	414 "name '%U' is parameter and nonlocal",
61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	415 name);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	416 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	417 }
41508 55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	418 if (!bound) {
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	419 PyErr_Format(PyExc_SyntaxError,
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	420 "nonlocal declaration not allowed at module level");
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	421 return 0;
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365) Nick Coghlan <ncoghlan@gmail.com> parents: 41464 diff changeset	422 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	423 if (!PySet_Contains(bound, name)) {
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	424 PyErr_Format(PyExc_SyntaxError,
42043 61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	425 "no binding for nonlocal '%U' found",
61fd5444d95f Simplify error formatting. Fix error message in Walter Dörwald <walter@livinglogic.de> parents: 42042 diff changeset	426 name);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	427
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	428 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	429 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	430 SET_SCOPE(scopes, name, FREE);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	431 ste->ste_free = 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	432 return PySet_Add(free, name) >= 0;
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	433 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	434 if (flags & DEF_BOUND) {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	435 SET_SCOPE(scopes, name, LOCAL);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	436 if (PySet_Add(local, name) < 0)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	437 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	438 if (PySet_Discard(global, name) < 0)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	439 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	440 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	441 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	442 /* If an enclosing block has a binding for this name, it
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	443 is a free variable rather than a global variable.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	444 Note that having a non-NULL bound implies that the block
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	445 is nested.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	446 */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	447 if (bound && PySet_Contains(bound, name)) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	448 SET_SCOPE(scopes, name, FREE);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	449 ste->ste_free = 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	450 return PySet_Add(free, name) >= 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	451 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	452 /* If a parent has a global statement, then call it global
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	453 explicit? It could also be global implicit.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	454 */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	455 if (global && PySet_Contains(global, name)) {
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	456 SET_SCOPE(scopes, name, GLOBAL_IMPLICIT);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	457 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	458 }
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	459 if (ste->ste_nested)
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	460 ste->ste_free = 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	461 SET_SCOPE(scopes, name, GLOBAL_IMPLICIT);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	462 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	463 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	464
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	465 #undef SET_SCOPE
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	466
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	467 /* If a name is defined in free and also in locals, then this block
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	468 provides the binding for the free variable. The name should be
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	469 marked CELL in this block and removed from the free list.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	470
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	471 Note that the current block's free variables are included in free.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	472 That's safe because no name can be free and local in the same scope.
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	473
43708 c34720777cb6 Bug #1356: Avoid using the C99 keyword 'restrict'. Martin v. Löwis <martin@v.loewis.de> parents: 43102 diff changeset	474 The 'restricted' argument may be set to a string to restrict the analysis
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	475 to the one variable whose name equals that string (e.g. "__class__").
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	476 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	477
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	478 static int
43708 c34720777cb6 Bug #1356: Avoid using the C99 keyword 'restrict'. Martin v. Löwis <martin@v.loewis.de> parents: 43102 diff changeset	479 analyze_cells(PyObject scopes, PyObject free, const char *restricted)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	480 {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	481 PyObject name, v, *v_cell;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36240 diff changeset	482 int success = 0;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36240 diff changeset	483 Py_ssize_t pos = 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	484
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	485 v_cell = PyLong_FromLong(CELL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	486 if (!v_cell)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	487 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	488 while (PyDict_Next(scopes, &pos, &name, &v)) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	489 long scope;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	490 assert(PyLong_Check(v));
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	491 scope = PyLong_AS_LONG(v);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	492 if (scope != LOCAL)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	493 continue;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	494 if (!PySet_Contains(free, name))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	495 continue;
43708 c34720777cb6 Bug #1356: Avoid using the C99 keyword 'restrict'. Martin v. Löwis <martin@v.loewis.de> parents: 43102 diff changeset	496 if (restricted != NULL &&
c34720777cb6 Bug #1356: Avoid using the C99 keyword 'restrict'. Martin v. Löwis <martin@v.loewis.de> parents: 43102 diff changeset	497 PyUnicode_CompareWithASCIIString(name, restricted))
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	498 continue;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	499 /* Replace LOCAL with CELL for this name, and remove
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	500 from free. It is safe to replace the value of name
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	501 in the dict, because it will not cause a resize.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	502 */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	503 if (PyDict_SetItem(scopes, name, v_cell) < 0)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	504 goto error;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	505 if (PySet_Discard(free, name) < 0)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	506 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	507 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	508 success = 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	509 error:
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	510 Py_DECREF(v_cell);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	511 return success;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	512 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	513
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	514 /* Check for illegal statements in unoptimized namespaces */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	515 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	516 check_unoptimized(const PySTEntryObject* ste) {
35759 d91ed7107fd2 ANSI-C-ify the placement of local var declarations. Armin Rigo <arigo@tunes.org> parents: 35742 diff changeset	517 const char* trailer;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	518
35780 72cb041ccde3 Fix check_unoptimized() function. The only optimized namespaces are Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35779 diff changeset	519 if (ste->ste_type != FunctionBlock \|\| !ste->ste_unoptimized
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	520 \|\| !(ste->ste_free \|\| ste->ste_child_free))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	521 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	522
35759 d91ed7107fd2 ANSI-C-ify the placement of local var declarations. Armin Rigo <arigo@tunes.org> parents: 35742 diff changeset	523 trailer = (ste->ste_child_free ?
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	524 "contains a nested function with free variables" :
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	525 "is a nested function");
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	526
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	527 switch (ste->ste_unoptimized) {
39782 c94f37054f19 Patch #1550800: make exec a function. Georg Brandl <georg@python.org> parents: 39694 diff changeset	528 case OPT_TOPLEVEL: /* import * at top-level is fine */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	529 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	530 case OPT_IMPORT_STAR:
42045 171f0e073671 Fix PyErr_Format() call (missing exception class). Walter Dörwald <walter@livinglogic.de> parents: 42044 diff changeset	531 PyErr_Format(PyExc_SyntaxError,
171f0e073671 Fix PyErr_Format() call (missing exception class). Walter Dörwald <walter@livinglogic.de> parents: 42044 diff changeset	532 "import * is not allowed in function '%U' because it %s",
42044 faa626d6e675 Use PyErr_Format() directly instead of Walter Dörwald <walter@livinglogic.de> parents: 42043 diff changeset	533 ste->ste_name, trailer);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	534 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	535 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	536
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	537 PyErr_SyntaxLocation(ste->ste_table->st_filename,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	538 ste->ste_opt_lineno);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	539 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	540 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	541
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	542 /* Enter the final scope information into the ste_symbols dict.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	543 *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	544 * All arguments are dicts. Modifies symbols, others are read-only.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	545 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	546 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	547 update_symbols(PyObject symbols, PyObject scopes,
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	548 PyObject bound, PyObject free, int classflag)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	549 {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	550 PyObject name = NULL, itr = NULL;
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	551 PyObject v = NULL, v_scope = NULL, v_new = NULL, v_free = NULL;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36240 diff changeset	552 Py_ssize_t pos = 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	553
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	554 /* Update scope information for all symbols in this scope */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	555 while (PyDict_Next(symbols, &pos, &name, &v)) {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	556 long scope, flags;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	557 assert(PyLong_Check(v));
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	558 flags = PyLong_AS_LONG(v);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	559 v_scope = PyDict_GetItem(scopes, name);
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	560 assert(v_scope && PyLong_Check(v_scope));
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	561 scope = PyLong_AS_LONG(v_scope);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	562 flags \|= (scope << SCOPE_OFFSET);
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	563 v_new = PyLong_FromLong(flags);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	564 if (!v_new)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	565 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	566 if (PyDict_SetItem(symbols, name, v_new) < 0) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	567 Py_DECREF(v_new);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	568 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	569 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	570 Py_DECREF(v_new);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	571 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	572
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	573 /* Record not yet resolved free variables from children (if any) */
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	574 v_free = PyLong_FromLong(FREE << SCOPE_OFFSET);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	575 if (!v_free)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	576 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	577
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	578 itr = PyObject_GetIter(free);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	579 if (!itr)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	580 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	581
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	582 while ((name = PyIter_Next(itr))) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	583 v = PyDict_GetItem(symbols, name);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	584
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	585 /* Handle symbol that already exists in this scope */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	586 if (v) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	587 /* Handle a free variable in a method of
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	588 the class that has the same name as a local
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	589 or global in the class scope.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	590 */
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	591 if (classflag &&
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	592 PyLong_AS_LONG(v) & (DEF_BOUND \| DEF_GLOBAL)) {
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	593 long flags = PyLong_AS_LONG(v) \| DEF_FREE_CLASS;
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	594 v_new = PyLong_FromLong(flags);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	595 if (!v_new) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	596 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	597 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	598 if (PyDict_SetItem(symbols, name, v_new) < 0) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	599 Py_DECREF(v_new);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	600 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	601 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	602 Py_DECREF(v_new);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	603 }
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	604 /* It's a cell, or already free in this scope */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	605 Py_DECREF(name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	606 continue;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	607 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	608 /* Handle global symbol */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	609 if (!PySet_Contains(bound, name)) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	610 Py_DECREF(name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	611 continue; /* it's a global */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	612 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	613 /* Propagate new free symbol up the lexical stack */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	614 if (PyDict_SetItem(symbols, name, v_free) < 0) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	615 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	616 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	617 Py_DECREF(name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	618 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	619 Py_DECREF(itr);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	620 Py_DECREF(v_free);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	621 return 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	622 error:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	623 Py_XDECREF(v_free);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	624 Py_XDECREF(itr);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	625 Py_XDECREF(name);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	626 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	627 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	628
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	629 /* Make final symbol table decisions for block of ste.
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	630
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	631 Arguments:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	632 ste -- current symtable entry (input/output)
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	633 bound -- set of variables bound in enclosing scopes (input). bound
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	634 is NULL for module blocks.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	635 free -- set of free variables in enclosed scopes (output)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	636 globals -- set of declared global variables in enclosing scopes (input)
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	637
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	638 The implementation uses two mutually recursive functions,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	639 analyze_block() and analyze_child_block(). analyze_block() is
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	640 responsible for analyzing the individual names defined in a block.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	641 analyze_child_block() prepares temporary namespace dictionaries
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	642 used to evaluated nested blocks.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	643
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	644 The two functions exist because a child block should see the name
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	645 bindings of its enclosing blocks, but those bindings should not
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	646 propagate back to a parent block.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	647 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	648
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	649 static int
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	650 analyze_child_block(PySTEntryObject entry, PyObject bound, PyObject *free,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	651 PyObject global, PyObject child_free);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	652
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	653 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	654 analyze_block(PySTEntryObject ste, PyObject bound, PyObject *free,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	655 PyObject *global)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	656 {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	657 PyObject name, v, local = NULL, scopes = NULL, *newbound = NULL;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	658 PyObject newglobal = NULL, newfree = NULL, *allfree = NULL;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	659 PyObject *temp;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36240 diff changeset	660 int i, success = 0;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36240 diff changeset	661 Py_ssize_t pos = 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	662
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	663 local = PySet_New(NULL); /* collect new names bound in block */
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	664 if (!local)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	665 goto error;
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	666 scopes = PyDict_New(); /* collect scopes defined for each name */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	667 if (!scopes)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	668 goto error;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	669
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	670 /* Allocate new global and bound variable dictionaries. These
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	671 dictionaries hold the names visible in nested blocks. For
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	672 ClassBlocks, the bound and global names are initialized
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	673 before analyzing names, because class bindings aren't
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	674 visible in methods. For other blocks, they are initialized
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	675 after names are analyzed.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	676 */
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	677
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	678 /* TODO(jhylton): Package these dicts in a struct so that we
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	679 can write reasonable helper functions?
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	680 */
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	681 newglobal = PySet_New(NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	682 if (!newglobal)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	683 goto error;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	684 newfree = PySet_New(NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	685 if (!newfree)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	686 goto error;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	687 newbound = PySet_New(NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	688 if (!newbound)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	689 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	690
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	691 /* Class namespace has no effect on names visible in
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	692 nested functions, so populate the global and bound
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	693 sets to be passed to child blocks before analyzing
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	694 this one.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	695 */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	696 if (ste->ste_type == ClassBlock) {
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	697 /* Pass down known globals */
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	698 temp = PyNumber_InPlaceOr(newglobal, global);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	699 if (!temp)
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	700 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	701 Py_DECREF(temp);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	702 /* Pass down previously bound symbols */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	703 if (bound) {
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	704 temp = PyNumber_InPlaceOr(newbound, bound);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	705 if (!temp)
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	706 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	707 Py_DECREF(temp);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	708 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	709 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	710
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	711 while (PyDict_Next(ste->ste_symbols, &pos, &name, &v)) {
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	712 long flags = PyLong_AS_LONG(v);
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	713 if (!analyze_name(ste, scopes, name, flags,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	714 bound, local, free, global))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	715 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	716 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	717
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	718 /* Populate global and bound sets to be passed to children. */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	719 if (ste->ste_type != ClassBlock) {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	720 /* Add function locals to bound set */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	721 if (ste->ste_type == FunctionBlock) {
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	722 temp = PyNumber_InPlaceOr(newbound, local);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	723 if (!temp)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	724 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	725 Py_DECREF(temp);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	726 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	727 /* Pass down previously bound symbols */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	728 if (bound) {
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	729 temp = PyNumber_InPlaceOr(newbound, bound);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	730 if (!temp)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	731 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	732 Py_DECREF(temp);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	733 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	734 /* Pass down known globals */
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	735 temp = PyNumber_InPlaceOr(newglobal, global);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	736 if (!temp)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	737 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	738 Py_DECREF(temp);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	739 }
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	740 else {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	741 /* Special-case __class__ */
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	742 if (!GET_IDENTIFIER(__class__))
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	743 goto error;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	744 assert(PySet_Contains(local, __class__) == 1);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	745 if (PySet_Add(newbound, __class__) < 0)
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	746 goto error;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	747 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	748
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	749 /* Recursively call analyze_block() on each child block.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	750
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	751 newbound, newglobal now contain the names visible in
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	752 nested blocks. The free variables in the children will
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	753 be collected in allfree.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	754 */
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	755 allfree = PySet_New(NULL);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	756 if (!allfree)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	757 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	758 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	759 PyObject *c = PyList_GET_ITEM(ste->ste_children, i);
35759 d91ed7107fd2 ANSI-C-ify the placement of local var declarations. Armin Rigo <arigo@tunes.org> parents: 35742 diff changeset	760 PySTEntryObject* entry;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	761 assert(c && PySTEntry_Check(c));
35759 d91ed7107fd2 ANSI-C-ify the placement of local var declarations. Armin Rigo <arigo@tunes.org> parents: 35742 diff changeset	762 entry = (PySTEntryObject*)c;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	763 if (!analyze_child_block(entry, newbound, newfree, newglobal,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	764 allfree))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	765 goto error;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	766 /* Check if any children have free variables */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	767 if (entry->ste_free \|\| entry->ste_child_free)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	768 ste->ste_child_free = 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	769 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	770
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	771 temp = PyNumber_InPlaceOr(newfree, allfree);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	772 if (!temp)
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	773 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	774 Py_DECREF(temp);
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	775
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	776 /* Check if any local variables must be converted to cell variables */
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	777 if (ste->ste_type == FunctionBlock && !analyze_cells(scopes, newfree,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	778 NULL))
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	779 goto error;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	780 else if (ste->ste_type == ClassBlock && !analyze_cells(scopes, newfree,
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	781 "__class__"))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	782 goto error;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	783 /* Records the results of the analysis in the symbol table entry */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	784 if (!update_symbols(ste->ste_symbols, scopes, bound, newfree,
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	785 ste->ste_type == ClassBlock))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	786 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	787 if (!check_unoptimized(ste))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	788 goto error;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	789
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	790 temp = PyNumber_InPlaceOr(free, newfree);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	791 if (!temp)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	792 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	793 Py_DECREF(temp);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	794 success = 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	795 error:
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	796 Py_XDECREF(scopes);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	797 Py_XDECREF(local);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	798 Py_XDECREF(newbound);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	799 Py_XDECREF(newglobal);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	800 Py_XDECREF(newfree);
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	801 Py_XDECREF(allfree);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	802 if (!success)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	803 assert(PyErr_Occurred());
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	804 return success;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	805 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	806
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	807 static int
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	808 analyze_child_block(PySTEntryObject entry, PyObject bound, PyObject *free,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	809 PyObject global, PyObject child_free)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	810 {
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	811 PyObject temp_bound = NULL, temp_global = NULL, *temp_free = NULL;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	812 PyObject *temp;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	813
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	814 /* Copy the bound and global dictionaries.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	815
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	816 These dictionary are used by all blocks enclosed by the
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	817 current block. The analyze_block() call modifies these
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	818 dictionaries.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	819
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	820 */
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	821 temp_bound = PySet_New(bound);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	822 if (!temp_bound)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	823 goto error;
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	824 temp_free = PySet_New(free);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	825 if (!temp_free)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	826 goto error;
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	827 temp_global = PySet_New(global);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	828 if (!temp_global)
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	829 goto error;
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	830
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	831 if (!analyze_block(entry, temp_bound, temp_free, temp_global))
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	832 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	833 temp = PyNumber_InPlaceOr(child_free, temp_free);
5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	834 if (!temp)
52707 bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	835 goto error;
54025 5fce14e1d703 fix error handling of PyNumber_InPlaceOr #6000 Benjamin Peterson <benjamin@python.org> parents: 52708 diff changeset	836 Py_DECREF(temp);
52707 bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	837 Py_DECREF(temp_bound);
bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	838 Py_DECREF(temp_free);
bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	839 Py_DECREF(temp_global);
bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	840 return 1;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	841 error:
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	842 Py_XDECREF(temp_bound);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	843 Py_XDECREF(temp_free);
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	844 Py_XDECREF(temp_global);
52707 bc15b483d384 rewrite error handling to make sense Benjamin Peterson <benjamin@python.org> parents: 52705 diff changeset	845 return 0;
52528 2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	846 }
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	847
2b436310fc8b Merged revisions 70801,70809 via svnmerge from Jeremy Hylton <jeremy@alum.mit.edu> parents: 51959 diff changeset	848 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	849 symtable_analyze(struct symtable *st)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	850 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	851 PyObject free, global;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	852 int r;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	853
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	854 free = PySet_New(NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	855 if (!free)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	856 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	857 global = PySet_New(NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	858 if (!global) {
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	859 Py_DECREF(free);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	860 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	861 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	862 r = analyze_block(st->st_top, NULL, free, global);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	863 Py_DECREF(free);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	864 Py_DECREF(global);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	865 return r;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	866 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	867
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	868
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	869 static int
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	870 symtable_warn(struct symtable st, char msg, int lineno)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	871 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	872 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, st->st_filename,
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	873 lineno, NULL, NULL) < 0) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	874 if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	875 PyErr_SetString(PyExc_SyntaxError, msg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	876 PyErr_SyntaxLocation(st->st_filename,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	877 st->st_cur->ste_lineno);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	878 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	879 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	880 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	881 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	882 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	883
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	884 /* symtable_enter_block() gets a reference via ste_new.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	885 This reference is released when the block is exited, via the DECREF
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	886 in symtable_exit_block().
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	887 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	888
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	889 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	890 symtable_exit_block(struct symtable st, void ast)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	891 {
36521 30aef3ce2b26 Use Py_ssize_t to count the Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	892 Py_ssize_t end;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	893
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	894 Py_CLEAR(st->st_cur);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	895 end = PyList_GET_SIZE(st->st_stack) - 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	896 if (end >= 0) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	897 st->st_cur = (PySTEntryObject *)PyList_GET_ITEM(st->st_stack,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	898 end);
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	899 if (st->st_cur == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	900 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	901 Py_INCREF(st->st_cur);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	902 if (PySequence_DelItem(st->st_stack, end) < 0)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	903 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	904 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	905 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	906 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	907
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	908 static int
35793 914ec0afa51c Do not pollute name block_ty, prefix with _Py_ Neal Norwitz <nnorwitz@gmail.com> parents: 35780 diff changeset	909 symtable_enter_block(struct symtable *st, identifier name, _Py_block_ty block,
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	910 void *ast, int lineno)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	911 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	912 PySTEntryObject *prev = NULL;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	913
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	914 if (st->st_cur) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	915 prev = st->st_cur;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	916 if (PyList_Append(st->st_stack, (PyObject *)st->st_cur) < 0) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	917 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	918 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	919 Py_DECREF(st->st_cur);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	920 }
48725 40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 48660 diff changeset	921 st->st_cur = ste_new(st, name, block, ast, lineno);
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	922 if (st->st_cur == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	923 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	924 if (name == GET_IDENTIFIER(top))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	925 st->st_global = st->st_cur->ste_symbols;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	926 if (prev) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	927 if (PyList_Append(prev->ste_children,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	928 (PyObject *)st->st_cur) < 0) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	929 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	930 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	931 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	932 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	933 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	934
36231 d3f4c467e439 Fix icc warnings: conversion from "long" to "int" may lose significant bits Neal Norwitz <nnorwitz@gmail.com> parents: 36226 diff changeset	935 static long
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	936 symtable_lookup(struct symtable st, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	937 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	938 PyObject *o;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	939 PyObject *mangled = _Py_Mangle(st->st_private, name);
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	940 if (!mangled)
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	941 return 0;
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	942 o = PyDict_GetItem(st->st_cur->ste_symbols, mangled);
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	943 Py_DECREF(mangled);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	944 if (!o)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	945 return 0;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	946 return PyLong_AsLong(o);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	947 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	948
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	949 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	950 symtable_add_def(struct symtable st, PyObject name, int flag)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	951 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	952 PyObject *o;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	953 PyObject *dict;
36231 d3f4c467e439 Fix icc warnings: conversion from "long" to "int" may lose significant bits Neal Norwitz <nnorwitz@gmail.com> parents: 36226 diff changeset	954 long val;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	955 PyObject *mangled = _Py_Mangle(st->st_private, name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	956
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	957
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	958 if (!mangled)
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	959 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	960 dict = st->st_cur->ste_symbols;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	961 if ((o = PyDict_GetItem(dict, mangled))) {
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	962 val = PyLong_AS_LONG(o);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	963 if ((flag & DEF_PARAM) && (val & DEF_PARAM)) {
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	964 /* Is it better to use 'mangled' or 'name' here? */
42801 41da49c97a59 Use unicode for error messages of duplicate args Neal Norwitz <nnorwitz@gmail.com> parents: 42455 diff changeset	965 PyErr_Format(PyExc_SyntaxError, DUPLICATE_ARGUMENT, name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	966 PyErr_SyntaxLocation(st->st_filename,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	967 st->st_cur->ste_lineno);
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	968 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	969 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	970 val \|= flag;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	971 } else
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	972 val = flag;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	973 o = PyLong_FromLong(val);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	974 if (o == NULL)
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	975 goto error;
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	976 if (PyDict_SetItem(dict, mangled, o) < 0) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	977 Py_DECREF(o);
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	978 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	979 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	980 Py_DECREF(o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	981
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	982 if (flag & DEF_PARAM) {
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	983 if (PyList_Append(st->st_cur->ste_varnames, mangled) < 0)
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	984 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	985 } else if (flag & DEF_GLOBAL) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	986 /* XXX need to update DEF_GLOBAL for other flags too;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	987 perhaps only DEF_FREE_GLOBAL */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	988 val = flag;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	989 if ((o = PyDict_GetItem(st->st_global, mangled))) {
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	990 val \|= PyLong_AS_LONG(o);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	991 }
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43708 diff changeset	992 o = PyLong_FromLong(val);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	993 if (o == NULL)
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	994 goto error;
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	995 if (PyDict_SetItem(st->st_global, mangled, o) < 0) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	996 Py_DECREF(o);
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	997 goto error;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	998 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	999 Py_DECREF(o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1000 }
35893 825655bfdf20 Last batch of ref leaks in new AST code. Neal Norwitz <nnorwitz@gmail.com> parents: 35880 diff changeset	1001 Py_DECREF(mangled);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1002 return 1;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1003
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1004 error:
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1005 Py_DECREF(mangled);
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1006 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1007 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1008
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1009 /* VISIT, VISIT_SEQ and VIST_SEQ_TAIL take an ASDL type as their second argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1010 They use the ASDL name to synthesize the name of the C type and the visit
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1011 function.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1012
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1013 VISIT_SEQ_TAIL permits the start of an ASDL sequence to be skipped, which is
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1014 useful if the first node in the sequence requires special treatment.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1015 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1016
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1017 #define VISIT(ST, TYPE, V) \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1018 if (!symtable_visit_ ## TYPE((ST), (V))) \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1019 return 0;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1020
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1021 #define VISIT_IN_BLOCK(ST, TYPE, V, S) \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1022 if (!symtable_visit_ ## TYPE((ST), (V))) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1023 symtable_exit_block((ST), (S)); \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1024 return 0; \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1025 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1026
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1027 #define VISIT_SEQ(ST, TYPE, SEQ) { \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1028 int i; \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1029 asdl_seq seq = (SEQ); / avoid variable capture */ \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1030 for (i = 0; i < asdl_seq_LEN(seq); i++) { \
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	1031 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1032 if (!symtable_visit_ ## TYPE((ST), elt)) \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1033 return 0; \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1034 } \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1035 }
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1036
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1037 #define VISIT_SEQ_IN_BLOCK(ST, TYPE, SEQ, S) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1038 int i; \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1039 asdl_seq seq = (SEQ); / avoid variable capture */ \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1040 for (i = 0; i < asdl_seq_LEN(seq); i++) { \
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	1041 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1042 if (!symtable_visit_ ## TYPE((ST), elt)) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1043 symtable_exit_block((ST), (S)); \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1044 return 0; \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1045 } \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1046 } \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1047 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1048
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1049 #define VISIT_SEQ_TAIL(ST, TYPE, SEQ, START) { \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1050 int i; \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1051 asdl_seq seq = (SEQ); / avoid variable capture */ \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1052 for (i = (START); i < asdl_seq_LEN(seq); i++) { \
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	1053 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1054 if (!symtable_visit_ ## TYPE((ST), elt)) \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1055 return 0; \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1056 } \
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1057 }
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1058
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1059 #define VISIT_SEQ_TAIL_IN_BLOCK(ST, TYPE, SEQ, START, S) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1060 int i; \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1061 asdl_seq seq = (SEQ); / avoid variable capture */ \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1062 for (i = (START); i < asdl_seq_LEN(seq); i++) { \
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	1063 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1064 if (!symtable_visit_ ## TYPE((ST), elt)) { \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1065 symtable_exit_block((ST), (S)); \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1066 return 0; \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1067 } \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1068 } \
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1069 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1070
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1071 #define VISIT_KWONLYDEFAULTS(ST, KW_DEFAULTS) { \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1072 int i = 0; \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1073 asdl_seq seq = (KW_DEFAULTS); / avoid variable capture */ \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1074 for (i = 0; i < asdl_seq_LEN(seq); i++) { \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1075 expr_ty elt = (expr_ty)asdl_seq_GET(seq, i); \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1076 if (!elt) continue; /* can be NULL */ \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1077 if (!symtable_visit_expr((ST), elt)) \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1078 return 0; \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1079 } \
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1080 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1081
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1082 static int
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1083 symtable_new_tmpname(struct symtable *st)
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1084 {
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1085 char tmpname[256];
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1086 identifier tmp;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1087
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1088 PyOS_snprintf(tmpname, sizeof(tmpname), "_[%d]",
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1089 ++st->st_cur->ste_tmpname);
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1090 tmp = PyUnicode_InternFromString(tmpname);
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1091 if (!tmp)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1092 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1093 if (!symtable_add_def(st, tmp, DEF_LOCAL))
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1094 return 0;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1095 Py_DECREF(tmp);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1096 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1097 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1098
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1099
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1100 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1101 symtable_visit_stmt(struct symtable *st, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1102 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1103 switch (s->kind) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1104 case FunctionDef_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1105 if (!symtable_add_def(st, s->v.FunctionDef.name, DEF_LOCAL))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1106 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1107 if (s->v.FunctionDef.args->defaults)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1108 VISIT_SEQ(st, expr, s->v.FunctionDef.args->defaults);
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1109 if (s->v.FunctionDef.args->kw_defaults)
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1110 VISIT_KWONLYDEFAULTS(st,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1111 s->v.FunctionDef.args->kw_defaults);
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1112 if (!symtable_visit_annotations(st, s))
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1113 return 0;
41824 24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41769 diff changeset	1114 if (s->v.FunctionDef.decorator_list)
24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41769 diff changeset	1115 VISIT_SEQ(st, expr, s->v.FunctionDef.decorator_list);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1116 if (!symtable_enter_block(st, s->v.FunctionDef.name,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1117 FunctionBlock, (void *)s, s->lineno))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1118 return 0;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1119 VISIT_IN_BLOCK(st, arguments, s->v.FunctionDef.args, s);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1120 VISIT_SEQ_IN_BLOCK(st, stmt, s->v.FunctionDef.body, s);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1121 if (!symtable_exit_block(st, s))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1122 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1123 break;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1124 case ClassDef_kind: {
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1125 PyObject *tmp;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1126 if (!symtable_add_def(st, s->v.ClassDef.name, DEF_LOCAL))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1127 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1128 VISIT_SEQ(st, expr, s->v.ClassDef.bases);
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	1129 VISIT_SEQ(st, keyword, s->v.ClassDef.keywords);
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	1130 if (s->v.ClassDef.starargs)
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	1131 VISIT(st, expr, s->v.ClassDef.starargs);
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	1132 if (s->v.ClassDef.kwargs)
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	1133 VISIT(st, expr, s->v.ClassDef.kwargs);
41824 24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41769 diff changeset	1134 if (s->v.ClassDef.decorator_list)
24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41769 diff changeset	1135 VISIT_SEQ(st, expr, s->v.ClassDef.decorator_list);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1136 if (!symtable_enter_block(st, s->v.ClassDef.name, ClassBlock,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1137 (void *)s, s->lineno))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1138 return 0;
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1139 if (!GET_IDENTIFIER(__class__) \|\|
51959 d342a725b2d5 instead of hacking __locals__ in during bytecode generation, put it in the symtable Benjamin Peterson <benjamin@python.org> parents: 51271 diff changeset	1140 !symtable_add_def(st, __class__, DEF_LOCAL) \|\|
d342a725b2d5 instead of hacking __locals__ in during bytecode generation, put it in the symtable Benjamin Peterson <benjamin@python.org> parents: 51271 diff changeset	1141 !GET_IDENTIFIER(__locals__) \|\|
d342a725b2d5 instead of hacking __locals__ in during bytecode generation, put it in the symtable Benjamin Peterson <benjamin@python.org> parents: 51271 diff changeset	1142 !symtable_add_def(st, __locals__, DEF_PARAM)) {
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1143 symtable_exit_block(st, s);
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1144 return 0;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1145 }
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1146 tmp = st->st_private;
19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1147 st->st_private = s->v.ClassDef.name;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1148 VISIT_SEQ_IN_BLOCK(st, stmt, s->v.ClassDef.body, s);
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1149 st->st_private = tmp;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1150 if (!symtable_exit_block(st, s))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1151 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1152 break;
35779 19d796bd740f Fix private name mangling. The symtable also must do mangles so that Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35766 diff changeset	1153 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1154 case Return_kind:
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1155 if (s->v.Return.value) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1156 VISIT(st, expr, s->v.Return.value);
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1157 st->st_cur->ste_returns_value = 1;
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1158 if (st->st_cur->ste_generator) {
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1159 PyErr_SetString(PyExc_SyntaxError,
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1160 RETURN_VAL_IN_GENERATOR);
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1161 PyErr_SyntaxLocation(st->st_filename,
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1162 s->lineno);
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1163 return 0;
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1164 }
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1165 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1166 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1167 case Delete_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1168 VISIT_SEQ(st, expr, s->v.Delete.targets);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1169 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1170 case Assign_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1171 VISIT_SEQ(st, expr, s->v.Assign.targets);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1172 VISIT(st, expr, s->v.Assign.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1173 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1174 case AugAssign_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1175 VISIT(st, expr, s->v.AugAssign.target);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1176 VISIT(st, expr, s->v.AugAssign.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1177 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1178 case For_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1179 VISIT(st, expr, s->v.For.target);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1180 VISIT(st, expr, s->v.For.iter);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1181 VISIT_SEQ(st, stmt, s->v.For.body);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1182 if (s->v.For.orelse)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1183 VISIT_SEQ(st, stmt, s->v.For.orelse);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1184 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1185 case While_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1186 VISIT(st, expr, s->v.While.test);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1187 VISIT_SEQ(st, stmt, s->v.While.body);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1188 if (s->v.While.orelse)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1189 VISIT_SEQ(st, stmt, s->v.While.orelse);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1190 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1191 case If_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1192 /* XXX if 0: and lookup_yield() hacks */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1193 VISIT(st, expr, s->v.If.test);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1194 VISIT_SEQ(st, stmt, s->v.If.body);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1195 if (s->v.If.orelse)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1196 VISIT_SEQ(st, stmt, s->v.If.orelse);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1197 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1198 case Raise_kind:
43102 981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134. Collin Winter <collinw@gmail.com> parents: 42801 diff changeset	1199 if (s->v.Raise.exc) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134. Collin Winter <collinw@gmail.com> parents: 42801 diff changeset	1200 VISIT(st, expr, s->v.Raise.exc);
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134. Collin Winter <collinw@gmail.com> parents: 42801 diff changeset	1201 if (s->v.Raise.cause) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134. Collin Winter <collinw@gmail.com> parents: 42801 diff changeset	1202 VISIT(st, expr, s->v.Raise.cause);
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134. Collin Winter <collinw@gmail.com> parents: 42801 diff changeset	1203 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1204 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1205 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1206 case TryExcept_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1207 VISIT_SEQ(st, stmt, s->v.TryExcept.body);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1208 VISIT_SEQ(st, stmt, s->v.TryExcept.orelse);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1209 VISIT_SEQ(st, excepthandler, s->v.TryExcept.handlers);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1210 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1211 case TryFinally_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1212 VISIT_SEQ(st, stmt, s->v.TryFinally.body);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1213 VISIT_SEQ(st, stmt, s->v.TryFinally.finalbody);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1214 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1215 case Assert_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1216 VISIT(st, expr, s->v.Assert.test);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1217 if (s->v.Assert.msg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1218 VISIT(st, expr, s->v.Assert.msg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1219 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1220 case Import_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1221 VISIT_SEQ(st, alias, s->v.Import.names);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1222 /* XXX Don't have the lineno available inside
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1223 visit_alias */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1224 if (st->st_cur->ste_unoptimized && !st->st_cur->ste_opt_lineno)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1225 st->st_cur->ste_opt_lineno = s->lineno;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1226 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1227 case ImportFrom_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1228 VISIT_SEQ(st, alias, s->v.ImportFrom.names);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1229 /* XXX Don't have the lineno available inside
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1230 visit_alias */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1231 if (st->st_cur->ste_unoptimized && !st->st_cur->ste_opt_lineno)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1232 st->st_cur->ste_opt_lineno = s->lineno;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1233 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1234 case Global_kind: {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1235 int i;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1236 asdl_seq *seq = s->v.Global.names;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1237 for (i = 0; i < asdl_seq_LEN(seq); i++) {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36739 diff changeset	1238 identifier name = (identifier)asdl_seq_GET(seq, i);
48660 85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and Marc-André Lemburg <mal@egenix.com> parents: 46231 diff changeset	1239 char *c_name = _PyUnicode_AsString(name);
36231 d3f4c467e439 Fix icc warnings: conversion from "long" to "int" may lose significant bits Neal Norwitz <nnorwitz@gmail.com> parents: 36226 diff changeset	1240 long cur = symtable_lookup(st, name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1241 if (cur < 0)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1242 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1243 if (cur & (DEF_LOCAL \| USE)) {
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1244 char buf[256];
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1245 if (cur & DEF_LOCAL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1246 PyOS_snprintf(buf, sizeof(buf),
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1247 GLOBAL_AFTER_ASSIGN,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1248 c_name);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1249 else
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1250 PyOS_snprintf(buf, sizeof(buf),
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1251 GLOBAL_AFTER_USE,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1252 c_name);
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	1253 if (!symtable_warn(st, buf, s->lineno))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1254 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1255 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1256 if (!symtable_add_def(st, name, DEF_GLOBAL))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1257 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1258 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1259 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1260 }
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1261 case Nonlocal_kind: {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1262 int i;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1263 asdl_seq *seq = s->v.Nonlocal.names;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1264 for (i = 0; i < asdl_seq_LEN(seq); i++) {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1265 identifier name = (identifier)asdl_seq_GET(seq, i);
48660 85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and Marc-André Lemburg <mal@egenix.com> parents: 46231 diff changeset	1266 char *c_name = _PyUnicode_AsString(name);
40965 30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1267 long cur = symtable_lookup(st, name);
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1268 if (cur < 0)
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1269 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1270 if (cur & (DEF_LOCAL \| USE)) {
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1271 char buf[256];
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1272 if (cur & DEF_LOCAL)
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1273 PyOS_snprintf(buf, sizeof(buf),
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1274 NONLOCAL_AFTER_ASSIGN,
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1275 c_name);
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1276 else
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1277 PyOS_snprintf(buf, sizeof(buf),
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1278 NONLOCAL_AFTER_USE,
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1279 c_name);
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1280 if (!symtable_warn(st, buf, s->lineno))
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1281 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1282 }
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1283 if (!symtable_add_def(st, name, DEF_NONLOCAL))
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1284 return 0;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1285 }
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1286 break;
30e5cb3a55ac Provisional implementation of PEP 3104. Jeremy Hylton <jeremy@alum.mit.edu> parents: 40898 diff changeset	1287 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1288 case Expr_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1289 VISIT(st, expr, s->v.Expr.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1290 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1291 case Pass_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1292 case Break_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1293 case Continue_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1294 /* nothing to do here */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1295 break;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1296 case With_kind:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1297 VISIT(st, expr, s->v.With.context_expr);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1298 if (s->v.With.optional_vars) {
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1299 VISIT(st, expr, s->v.With.optional_vars);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1300 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1301 VISIT_SEQ(st, stmt, s->v.With.body);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1302 break;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1303 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1304 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1305 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1306
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1307 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1308 symtable_visit_expr(struct symtable *st, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1309 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1310 switch (e->kind) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1311 case BoolOp_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1312 VISIT_SEQ(st, expr, e->v.BoolOp.values);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1313 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1314 case BinOp_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1315 VISIT(st, expr, e->v.BinOp.left);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1316 VISIT(st, expr, e->v.BinOp.right);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1317 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1318 case UnaryOp_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1319 VISIT(st, expr, e->v.UnaryOp.operand);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1320 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1321 case Lambda_kind: {
54918 0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 54025 diff changeset	1322 if (!GET_IDENTIFIER(lambda))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1323 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1324 if (e->v.Lambda.args->defaults)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1325 VISIT_SEQ(st, expr, e->v.Lambda.args->defaults);
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1326 if (!symtable_enter_block(st, lambda,
57376 18af0ce0a58b Merged revisions 76423-76424 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 54918 diff changeset	1327 FunctionBlock, (void *)e, e->lineno))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1328 return 0;
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1329 VISIT_IN_BLOCK(st, arguments, e->v.Lambda.args, (void*)e);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1330 VISIT_IN_BLOCK(st, expr, e->v.Lambda.body, (void*)e);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1331 if (!symtable_exit_block(st, (void *)e))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1332 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1333 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1334 }
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36521 diff changeset	1335 case IfExp_kind:
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36521 diff changeset	1336 VISIT(st, expr, e->v.IfExp.test);
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36521 diff changeset	1337 VISIT(st, expr, e->v.IfExp.body);
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36521 diff changeset	1338 VISIT(st, expr, e->v.IfExp.orelse);
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36521 diff changeset	1339 break;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1340 case Dict_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1341 VISIT_SEQ(st, expr, e->v.Dict.keys);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1342 VISIT_SEQ(st, expr, e->v.Dict.values);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1343 break;
39694 da3a9f402886 Fix set literals not being visited in symtable creation. Georg Brandl <georg@python.org> parents: 39678 diff changeset	1344 case Set_kind:
da3a9f402886 Fix set literals not being visited in symtable creation. Georg Brandl <georg@python.org> parents: 39678 diff changeset	1345 VISIT_SEQ(st, expr, e->v.Set.elts);
da3a9f402886 Fix set literals not being visited in symtable creation. Georg Brandl <georg@python.org> parents: 39678 diff changeset	1346 break;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1347 case GeneratorExp_kind:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	1348 if (!symtable_visit_genexp(st, e))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1349 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1350 break;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1351 case ListComp_kind:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1352 if (!symtable_visit_listcomp(st, e))
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1353 return 0;
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1354 break;
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1355 case SetComp_kind:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1356 if (!symtable_visit_setcomp(st, e))
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1357 return 0;
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1358 break;
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1359 case DictComp_kind:
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1360 if (!symtable_visit_dictcomp(st, e))
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1361 return 0;
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1362 break;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1363 case Yield_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1364 if (e->v.Yield.value)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1365 VISIT(st, expr, e->v.Yield.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1366 st->st_cur->ste_generator = 1;
38673 a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1367 if (st->st_cur->ste_returns_value) {
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1368 PyErr_SetString(PyExc_SyntaxError,
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1369 RETURN_VAL_IN_GENERATOR);
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1370 PyErr_SyntaxLocation(st->st_filename,
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1371 e->lineno);
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1372 return 0;
a19c20c5e5c7 Merge the rest of the trunk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1373 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1374 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1375 case Compare_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1376 VISIT(st, expr, e->v.Compare.left);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1377 VISIT_SEQ(st, expr, e->v.Compare.comparators);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1378 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1379 case Call_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1380 VISIT(st, expr, e->v.Call.func);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1381 VISIT_SEQ(st, expr, e->v.Call.args);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1382 VISIT_SEQ(st, keyword, e->v.Call.keywords);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1383 if (e->v.Call.starargs)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1384 VISIT(st, expr, e->v.Call.starargs);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1385 if (e->v.Call.kwargs)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1386 VISIT(st, expr, e->v.Call.kwargs);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1387 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1388 case Num_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1389 case Str_kind:
40898 b58a4374ac21 Make bytes_repr return a string containing a b"" literal. Georg Brandl <georg@python.org> parents: 40788 diff changeset	1390 case Bytes_kind:
b58a4374ac21 Make bytes_repr return a string containing a b"" literal. Georg Brandl <georg@python.org> parents: 40788 diff changeset	1391 case Ellipsis_kind:
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1392 /* Nothing to do here. */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1393 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1394 /* The following exprs can be assignment targets. */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1395 case Attribute_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1396 VISIT(st, expr, e->v.Attribute.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1397 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1398 case Subscript_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1399 VISIT(st, expr, e->v.Subscript.value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1400 VISIT(st, slice, e->v.Subscript.slice);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1401 break;
41699 e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from Guido van Rossum <guido@python.org> parents: 41508 diff changeset	1402 case Starred_kind:
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from Guido van Rossum <guido@python.org> parents: 41508 diff changeset	1403 VISIT(st, expr, e->v.Starred.value);
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from Guido van Rossum <guido@python.org> parents: 41508 diff changeset	1404 break;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1405 case Name_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1406 if (!symtable_add_def(st, e->v.Name.id,
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1407 e->v.Name.ctx == Load ? USE : DEF_LOCAL))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1408 return 0;
42084 229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1409 /* Special-case super: it counts as a use of __class__ */
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1410 if (e->v.Name.ctx == Load &&
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1411 st->st_cur->ste_type == FunctionBlock &&
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1412 !PyUnicode_CompareWithASCIIString(e->v.Name.id, "super")) {
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1413 if (!GET_IDENTIFIER(__class__) \|\|
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1414 !symtable_add_def(st, __class__, USE))
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1415 return 0;
229c28cb9afb Merged revisions 55817-55961 via svnmerge from Guido van Rossum <guido@python.org> parents: 42045 diff changeset	1416 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1417 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1418 /* child nodes of List and Tuple will have expr_context set */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1419 case List_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1420 VISIT_SEQ(st, expr, e->v.List.elts);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1421 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1422 case Tuple_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1423 VISIT_SEQ(st, expr, e->v.Tuple.elts);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1424 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1425 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1426 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1427 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1428
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1429 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1430 symtable_implicit_arg(struct symtable *st, int pos)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1431 {
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1432 PyObject *id = PyUnicode_FromFormat(".%d", pos);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1433 if (id == NULL)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1434 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1435 if (!symtable_add_def(st, id, DEF_PARAM)) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1436 Py_DECREF(id);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1437 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1438 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1439 Py_DECREF(id);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1440 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1441 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1442
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1443 static int
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1444 symtable_visit_params(struct symtable st, asdl_seq args)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1445 {
36226 bb6fa4a31f15 Fix icc warnings: shadowing local variable (i) and complex is set but not used, so remove Neal Norwitz <nnorwitz@gmail.com> parents: 36089 diff changeset	1446 int i;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1447
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1448 if (!args)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1449 return -1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1450
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1451 for (i = 0; i < asdl_seq_LEN(args); i++) {
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1452 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1453 if (!symtable_add_def(st, arg->arg, DEF_PARAM))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1454 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1455 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1456
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1457 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1458 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1459
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1460 static int
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1461 symtable_visit_argannotations(struct symtable st, asdl_seq args)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1462 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1463 int i;
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1464
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1465 if (!args)
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1466 return -1;
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1467
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1468 for (i = 0; i < asdl_seq_LEN(args); i++) {
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1469 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1470 if (arg->annotation)
9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1471 VISIT(st, expr, arg->annotation);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1472 }
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1473
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1474 return 1;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1475 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1476
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1477 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1478 symtable_visit_annotations(struct symtable *st, stmt_ty s)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1479 {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1480 arguments_ty a = s->v.FunctionDef.args;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1481
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1482 if (a->args && !symtable_visit_argannotations(st, a->args))
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1483 return 0;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1484 if (a->varargannotation)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1485 VISIT(st, expr, a->varargannotation);
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1486 if (a->kwargannotation)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1487 VISIT(st, expr, a->kwargannotation);
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1488 if (a->kwonlyargs && !symtable_visit_argannotations(st, a->kwonlyargs))
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1489 return 0;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1490 if (s->v.FunctionDef.returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40215 diff changeset	1491 VISIT(st, expr, s->v.FunctionDef.returns);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1492 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1493 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1494
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1495 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1496 symtable_visit_arguments(struct symtable *st, arguments_ty a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1497 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1498 /* skip default arguments inside function block
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1499 XXX should ast be different?
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1500 */
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1501 if (a->args && !symtable_visit_params(st, a->args))
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1502 return 0;
41717 9ad84070b22d Merged revisions 55328-55341 via svnmerge from Guido van Rossum <guido@python.org> parents: 41699 diff changeset	1503 if (a->kwonlyargs && !symtable_visit_params(st, a->kwonlyargs))
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1504 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1505 if (a->vararg) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1506 if (!symtable_add_def(st, a->vararg, DEF_PARAM))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1507 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1508 st->st_cur->ste_varargs = 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1509 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1510 if (a->kwarg) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1511 if (!symtable_add_def(st, a->kwarg, DEF_PARAM))
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1512 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1513 st->st_cur->ste_varkeywords = 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1514 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1515 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1516 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1517
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1518
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1519 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1520 symtable_visit_excepthandler(struct symtable *st, excepthandler_ty eh)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1521 {
46231 81ee270a6eb5 Merged revisions 62047 via svnmerge from Neal Norwitz <nnorwitz@gmail.com> parents: 45774 diff changeset	1522 if (eh->v.ExceptHandler.type)
81ee270a6eb5 Merged revisions 62047 via svnmerge from Neal Norwitz <nnorwitz@gmail.com> parents: 45774 diff changeset	1523 VISIT(st, expr, eh->v.ExceptHandler.type);
81ee270a6eb5 Merged revisions 62047 via svnmerge from Neal Norwitz <nnorwitz@gmail.com> parents: 45774 diff changeset	1524 if (eh->v.ExceptHandler.name)
81ee270a6eb5 Merged revisions 62047 via svnmerge from Neal Norwitz <nnorwitz@gmail.com> parents: 45774 diff changeset	1525 if (!symtable_add_def(st, eh->v.ExceptHandler.name, DEF_LOCAL))
40588 4bab65fcca8e Some more changes related to the new except syntax and semantics, Guido van Rossum <guido@python.org> parents: 40529 diff changeset	1526 return 0;
46231 81ee270a6eb5 Merged revisions 62047 via svnmerge from Neal Norwitz <nnorwitz@gmail.com> parents: 45774 diff changeset	1527 VISIT_SEQ(st, stmt, eh->v.ExceptHandler.body);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1528 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1529 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1530
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1531
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1532 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1533 symtable_visit_alias(struct symtable *st, alias_ty a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1534 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1535 /* Compute store_name, the name actually bound by the import
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1536 operation. It is diferent than a->name when a->name is a
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1537 dotted package name (e.g. spam.eggs)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1538 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1539 PyObject *store_name;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1540 PyObject *name = (a->asname == NULL) ? a->name : a->asname;
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1541 const Py_UNICODE *base = PyUnicode_AS_UNICODE(name);
cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1542 Py_UNICODE *dot = Py_UNICODE_strchr(base, '.');
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1543 if (dot) {
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1544 store_name = PyUnicode_FromUnicode(base, dot - base);
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1545 if (!store_name)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1546 return 0;
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1547 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1548 else {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1549 store_name = name;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1550 Py_INCREF(store_name);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1551 }
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41824 diff changeset	1552 if (PyUnicode_CompareWithASCIIString(name, "*")) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1553 int r = symtable_add_def(st, store_name, DEF_IMPORT);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1554 Py_DECREF(store_name);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1555 return r;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1556 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1557 else {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1558 if (st->st_cur->ste_type != ModuleBlock) {
36089 4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations. Neal Norwitz <nnorwitz@gmail.com> parents: 35939 diff changeset	1559 int lineno = st->st_cur->ste_lineno;
42455 dd74e020a132 Merged revisions 56492-56752 via svnmerge from Guido van Rossum <guido@python.org> parents: 42334 diff changeset	1560 PyErr_SetString(PyExc_SyntaxError, IMPORT_STAR_WARNING);
dd74e020a132 Merged revisions 56492-56752 via svnmerge from Guido van Rossum <guido@python.org> parents: 42334 diff changeset	1561 PyErr_SyntaxLocation(st->st_filename, lineno);
dd74e020a132 Merged revisions 56492-56752 via svnmerge from Guido van Rossum <guido@python.org> parents: 42334 diff changeset	1562 Py_DECREF(store_name);
dd74e020a132 Merged revisions 56492-56752 via svnmerge from Guido van Rossum <guido@python.org> parents: 42334 diff changeset	1563 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1564 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1565 st->st_cur->ste_unoptimized \|= OPT_IMPORT_STAR;
35893 825655bfdf20 Last batch of ref leaks in new AST code. Neal Norwitz <nnorwitz@gmail.com> parents: 35880 diff changeset	1566 Py_DECREF(store_name);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1567 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1568 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1569 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1570
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1571
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1572 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1573 symtable_visit_comprehension(struct symtable *st, comprehension_ty lc)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1574 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1575 VISIT(st, expr, lc->target);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1576 VISIT(st, expr, lc->iter);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1577 VISIT_SEQ(st, expr, lc->ifs);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1578 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1579 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1580
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1581
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1582 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1583 symtable_visit_keyword(struct symtable *st, keyword_ty k)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1584 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1585 VISIT(st, expr, k->value);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1586 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1587 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1588
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1589
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1590 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1591 symtable_visit_slice(struct symtable *st, slice_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1592 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1593 switch (s->kind) {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1594 case Slice_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1595 if (s->v.Slice.lower)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1596 VISIT(st, expr, s->v.Slice.lower)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1597 if (s->v.Slice.upper)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1598 VISIT(st, expr, s->v.Slice.upper)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1599 if (s->v.Slice.step)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1600 VISIT(st, expr, s->v.Slice.step)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1601 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1602 case ExtSlice_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1603 VISIT_SEQ(st, slice, s->v.ExtSlice.dims)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1604 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1605 case Index_kind:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1606 VISIT(st, expr, s->v.Index.value)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1607 break;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1608 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1609 return 1;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1610 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1611
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1612 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1613 symtable_handle_comprehension(struct symtable *st, expr_ty e,
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1614 identifier scope_name, asdl_seq *generators,
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1615 expr_ty elt, expr_ty value)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1616 {
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1617 int is_generator = (e->kind == GeneratorExp_kind);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1618 int needs_tmp = !is_generator;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1619 comprehension_ty outermost = ((comprehension_ty)
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1620 asdl_seq_GET(generators, 0));
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1621 /* Outermost iterator is evaluated in current scope */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1622 VISIT(st, expr, outermost->iter);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1623 /* Create comprehension scope for the rest */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1624 if (!scope_name \|\|
57376 18af0ce0a58b Merged revisions 76423-76424 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 54918 diff changeset	1625 !symtable_enter_block(st, scope_name, FunctionBlock, (void *)e, e->lineno)) {
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1626 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1627 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1628 st->st_cur->ste_generator = is_generator;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1629 /* Outermost iter is received as an argument */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1630 if (!symtable_implicit_arg(st, 0)) {
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1631 symtable_exit_block(st, (void *)e);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1632 return 0;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1633 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1634 /* Allocate temporary name if needed */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1635 if (needs_tmp && !symtable_new_tmpname(st)) {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1636 symtable_exit_block(st, (void *)e);
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1637 return 0;
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1638 }
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1639 VISIT_IN_BLOCK(st, expr, outermost->target, (void*)e);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1640 VISIT_SEQ_IN_BLOCK(st, expr, outermost->ifs, (void*)e);
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35793 diff changeset	1641 VISIT_SEQ_TAIL_IN_BLOCK(st, comprehension,
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1642 generators, 1, (void*)e);
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1643 if (value)
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1644 VISIT_IN_BLOCK(st, expr, value, (void*)e);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1645 VISIT_IN_BLOCK(st, expr, elt, (void*)e);
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	1646 return symtable_exit_block(st, (void *)e);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 32121 diff changeset	1647 }
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1648
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1649 static int
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1650 symtable_visit_genexp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1651 {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1652 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(genexpr),
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1653 e->v.GeneratorExp.generators,
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1654 e->v.GeneratorExp.elt, NULL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1655 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1656
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1657 static int
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1658 symtable_visit_listcomp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1659 {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1660 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(listcomp),
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1661 e->v.ListComp.generators,
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1662 e->v.ListComp.elt, NULL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1663 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1664
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1665 static int
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1666 symtable_visit_setcomp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1667 {
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1668 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(setcomp),
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1669 e->v.SetComp.generators,
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1670 e->v.SetComp.elt, NULL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41226 diff changeset	1671 }
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1672
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1673 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1674 symtable_visit_dictcomp(struct symtable *st, expr_ty e)
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1675 {
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1676 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(dictcomp),
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1677 e->v.DictComp.generators,
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1678 e->v.DictComp.key,
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1679 e->v.DictComp.value);
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42084 diff changeset	1680 }

Mercurial > cpython-lru_cache-weakref

annotate Python/symtable.c @ 60889:86fadaebcf66