Mercurial > hg > vamp-build-and-test
comparison DEPENDENCIES/mingw32/Python27/include/symtable.h @ 87:2a2c65a20a8b
Add Python libs and headers
author | Chris Cannam |
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date | Wed, 25 Feb 2015 14:05:22 +0000 |
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86:413a9d26189e | 87:2a2c65a20a8b |
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1 #ifndef Py_SYMTABLE_H | |
2 #define Py_SYMTABLE_H | |
3 | |
4 #ifdef __cplusplus | |
5 extern "C" { | |
6 #endif | |
7 | |
8 typedef enum _block_type { FunctionBlock, ClassBlock, ModuleBlock } | |
9 _Py_block_ty; | |
10 | |
11 struct _symtable_entry; | |
12 | |
13 struct symtable { | |
14 const char *st_filename; /* name of file being compiled */ | |
15 struct _symtable_entry *st_cur; /* current symbol table entry */ | |
16 struct _symtable_entry *st_top; /* module entry */ | |
17 PyObject *st_symbols; /* dictionary of symbol table entries */ | |
18 PyObject *st_stack; /* stack of namespace info */ | |
19 PyObject *st_global; /* borrowed ref to MODULE in st_symbols */ | |
20 int st_nblocks; /* number of blocks */ | |
21 PyObject *st_private; /* name of current class or NULL */ | |
22 PyFutureFeatures *st_future; /* module's future features */ | |
23 }; | |
24 | |
25 typedef struct _symtable_entry { | |
26 PyObject_HEAD | |
27 PyObject *ste_id; /* int: key in st_symbols */ | |
28 PyObject *ste_symbols; /* dict: name to flags */ | |
29 PyObject *ste_name; /* string: name of block */ | |
30 PyObject *ste_varnames; /* list of variable names */ | |
31 PyObject *ste_children; /* list of child ids */ | |
32 _Py_block_ty ste_type; /* module, class, or function */ | |
33 int ste_unoptimized; /* false if namespace is optimized */ | |
34 int ste_nested; /* true if block is nested */ | |
35 unsigned ste_free : 1; /* true if block has free variables */ | |
36 unsigned ste_child_free : 1; /* true if a child block has free vars, | |
37 including free refs to globals */ | |
38 unsigned ste_generator : 1; /* true if namespace is a generator */ | |
39 unsigned ste_varargs : 1; /* true if block has varargs */ | |
40 unsigned ste_varkeywords : 1; /* true if block has varkeywords */ | |
41 unsigned ste_returns_value : 1; /* true if namespace uses return with | |
42 an argument */ | |
43 int ste_lineno; /* first line of block */ | |
44 int ste_opt_lineno; /* lineno of last exec or import * */ | |
45 int ste_tmpname; /* counter for listcomp temp vars */ | |
46 struct symtable *ste_table; | |
47 } PySTEntryObject; | |
48 | |
49 PyAPI_DATA(PyTypeObject) PySTEntry_Type; | |
50 | |
51 #define PySTEntry_Check(op) (Py_TYPE(op) == &PySTEntry_Type) | |
52 | |
53 PyAPI_FUNC(int) PyST_GetScope(PySTEntryObject *, PyObject *); | |
54 | |
55 PyAPI_FUNC(struct symtable *) PySymtable_Build(mod_ty, const char *, | |
56 PyFutureFeatures *); | |
57 PyAPI_FUNC(PySTEntryObject *) PySymtable_Lookup(struct symtable *, void *); | |
58 | |
59 PyAPI_FUNC(void) PySymtable_Free(struct symtable *); | |
60 | |
61 /* Flags for def-use information */ | |
62 | |
63 #define DEF_GLOBAL 1 /* global stmt */ | |
64 #define DEF_LOCAL 2 /* assignment in code block */ | |
65 #define DEF_PARAM 2<<1 /* formal parameter */ | |
66 #define USE 2<<2 /* name is used */ | |
67 #define DEF_FREE 2<<3 /* name used but not defined in nested block */ | |
68 #define DEF_FREE_CLASS 2<<4 /* free variable from class's method */ | |
69 #define DEF_IMPORT 2<<5 /* assignment occurred via import */ | |
70 | |
71 #define DEF_BOUND (DEF_LOCAL | DEF_PARAM | DEF_IMPORT) | |
72 | |
73 /* GLOBAL_EXPLICIT and GLOBAL_IMPLICIT are used internally by the symbol | |
74 table. GLOBAL is returned from PyST_GetScope() for either of them. | |
75 It is stored in ste_symbols at bits 12-14. | |
76 */ | |
77 #define SCOPE_OFF 11 | |
78 #define SCOPE_MASK 7 | |
79 | |
80 #define LOCAL 1 | |
81 #define GLOBAL_EXPLICIT 2 | |
82 #define GLOBAL_IMPLICIT 3 | |
83 #define FREE 4 | |
84 #define CELL 5 | |
85 | |
86 /* The following three names are used for the ste_unoptimized bit field */ | |
87 #define OPT_IMPORT_STAR 1 | |
88 #define OPT_EXEC 2 | |
89 #define OPT_BARE_EXEC 4 | |
90 #define OPT_TOPLEVEL 8 /* top-level names, including eval and exec */ | |
91 | |
92 #define GENERATOR 1 | |
93 #define GENERATOR_EXPRESSION 2 | |
94 | |
95 #ifdef __cplusplus | |
96 } | |
97 #endif | |
98 #endif /* !Py_SYMTABLE_H */ |