mirror of https://github.com/python/cpython
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
#ifndef Py_INTERNAL_CODE_H
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#define Py_INTERNAL_CODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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PyObject *ptr; /* Cached pointer (borrowed reference) */
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uint64_t globals_ver; /* ma_version of global dict */
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uint64_t builtins_ver; /* ma_version of builtin dict */
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} _PyOpcache_LoadGlobal;
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typedef struct {
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PyTypeObject *type;
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Py_ssize_t hint;
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unsigned int tp_version_tag;
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} _PyOpCodeOpt_LoadAttr;
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struct _PyOpcache {
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union {
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_PyOpcache_LoadGlobal lg;
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_PyOpCodeOpt_LoadAttr la;
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} u;
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char optimized;
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};
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struct _PyCodeConstructor {
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/* metadata */
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PyObject *filename;
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PyObject *name;
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int flags;
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/* the code */
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PyObject *code;
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int firstlineno;
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PyObject *linetable;
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/* used by the code */
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PyObject *consts;
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PyObject *names;
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/* mapping frame offsets to information */
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PyObject *varnames;
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PyObject *cellvars;
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PyObject *freevars;
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/* args (within varnames) */
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int argcount;
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int posonlyargcount;
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int kwonlyargcount;
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/* needed to create the frame */
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int stacksize;
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/* used by the eval loop */
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PyObject *exceptiontable;
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};
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// Using an "arguments struct" like this is helpful for maintainability
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// in a case such as this with many parameters. It does bear a risk:
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// if the struct changes and callers are not updated properly then the
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// compiler will not catch problems (like a missing argument). This can
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// cause hard-to-debug problems. The risk is mitigated by the use of
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// check_code() in codeobject.c. However, we may decide to switch
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// back to a regular function signature. Regardless, this approach
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// wouldn't be appropriate if this weren't a strictly internal API.
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// (See the comments in https://github.com/python/cpython/pull/26258.)
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PyAPI_FUNC(int) _PyCode_Validate(struct _PyCodeConstructor *);
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PyAPI_FUNC(PyCodeObject *) _PyCode_New(struct _PyCodeConstructor *);
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/* Private API */
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int _PyCode_InitOpcache(PyCodeObject *co);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_CODE_H */
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