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Merged revisions 69188 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r69188 | mark.dickinson | 2009-02-01 13:59:22 +0000 (Sun, 01 Feb 2009) | 6 lines Issue #1717, continued: remove PyObject_Compare and Py_CmpToRich declarations from object.h; don't inherit tp_compare slot on subclasses; and raise TypeError when initializing a type that has a nonzero tp_compare slot. Fix up comparison-related comments in object.c and code.h. ........
author Mark Dickinson <dickinsm@gmail.com>
date Sun, 01 Feb 2009 14:09:04 +0000
parents 818caebe3733
children 0530aadff696
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1 /* Definitions for bytecode */
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2
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3 #ifndef Py_CODE_H
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4 #define Py_CODE_H
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5 #ifdef __cplusplus
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6 extern "C" {
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7 #endif
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8
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9 /* Bytecode object */
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10 typedef struct {
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11 PyObject_HEAD
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12 int co_argcount; /* #arguments, except *args */
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13 int co_kwonlyargcount; /* #keyword only arguments */
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14 int co_nlocals; /* #local variables */
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15 int co_stacksize; /* #entries needed for evaluation stack */
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16 int co_flags; /* CO_..., see below */
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17 PyObject *co_code; /* instruction opcodes */
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18 PyObject *co_consts; /* list (constants used) */
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19 PyObject *co_names; /* list of strings (names used) */
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20 PyObject *co_varnames; /* tuple of strings (local variable names) */
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21 PyObject *co_freevars; /* tuple of strings (free variable names) */
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22 PyObject *co_cellvars; /* tuple of strings (cell variable names) */
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23 /* The rest doesn't count for hash or comparisons */
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24 PyObject *co_filename; /* unicode (where it was loaded from) */
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25 PyObject *co_name; /* unicode (name, for reference) */
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26 int co_firstlineno; /* first source line number */
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27 PyObject *co_lnotab; /* string (encoding addr<->lineno mapping) */
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28 void *co_zombieframe; /* for optimization only (see frameobject.c) */
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29 } PyCodeObject;
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30
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31 /* Masks for co_flags above */
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32 #define CO_OPTIMIZED 0x0001
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33 #define CO_NEWLOCALS 0x0002
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34 #define CO_VARARGS 0x0004
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35 #define CO_VARKEYWORDS 0x0008
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36 #define CO_NESTED 0x0010
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37 #define CO_GENERATOR 0x0020
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38 /* The CO_NOFREE flag is set if there are no free or cell variables.
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39 This information is redundant, but it allows a single flag test
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40 to determine whether there is any extra work to be done when the
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41 call frame it setup.
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42 */
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43 #define CO_NOFREE 0x0040
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44
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45 #if 0
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46 /* These are no longer used. */
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47 #define CO_GENERATOR_ALLOWED 0x1000
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48 #define CO_FUTURE_DIVISION 0x2000
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49 #define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */
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50 #define CO_FUTURE_WITH_STATEMENT 0x8000
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51 #define CO_FUTURE_PRINT_FUNCTION 0x10000
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52 #define CO_FUTURE_UNICODE_LITERALS 0x20000
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53 #endif
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54
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55 /* This should be defined if a future statement modifies the syntax.
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56 For example, when a keyword is added.
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57 */
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58 /* #define PY_PARSER_REQUIRES_FUTURE_KEYWORD */
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59
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60 #define CO_MAXBLOCKS 20 /* Max static block nesting within a function */
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61
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62 PyAPI_DATA(PyTypeObject) PyCode_Type;
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63
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64 #define PyCode_Check(op) (Py_TYPE(op) == &PyCode_Type)
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65 #define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars))
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66
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67 /* Public interface */
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68 PyAPI_FUNC(PyCodeObject *) PyCode_New(
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69 int, int, int, int, int, PyObject *, PyObject *,
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70 PyObject *, PyObject *, PyObject *, PyObject *,
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71 PyObject *, PyObject *, int, PyObject *);
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72 /* same as struct above */
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73 PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int);
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74
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75 /* for internal use only */
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76 typedef struct _addr_pair {
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77 int ap_lower;
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78 int ap_upper;
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79 } PyAddrPair;
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80
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81 /* Check whether lasti (an instruction offset) falls outside bounds
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82 and whether it is a line number that should be traced. Returns
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83 a line number if it should be traced or -1 if the line should not.
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84
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85 If lasti is not within bounds, updates bounds.
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86 */
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87
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88 PyAPI_FUNC(int) PyCode_CheckLineNumber(PyCodeObject* co,
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89 int lasti, PyAddrPair *bounds);
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90
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91 PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts,
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92 PyObject *names, PyObject *lineno_obj);
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93
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94 #ifdef __cplusplus
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95 }
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96 #endif
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97 #endif /* !Py_CODE_H */