summaryrefslogtreecommitdiff
path: root/Include/code.h
diff options
context:
space:
mode:
Diffstat (limited to 'Include/code.h')
-rw-r--r--Include/code.h32
1 files changed, 27 insertions, 5 deletions
diff --git a/Include/code.h b/Include/code.h
index 8ecf38a324..c5fce3c963 100644
--- a/Include/code.h
+++ b/Include/code.h
@@ -7,6 +7,16 @@
extern "C" {
#endif
+typedef uint16_t _Py_CODEUNIT;
+
+#ifdef WORDS_BIGENDIAN
+# define _Py_OPCODE(word) ((word) >> 8)
+# define _Py_OPARG(word) ((word) & 255)
+#else
+# define _Py_OPCODE(word) ((word) & 255)
+# define _Py_OPARG(word) ((word) >> 8)
+#endif
+
/* Bytecode object */
typedef struct {
PyObject_HEAD
@@ -15,26 +25,29 @@ typedef struct {
int co_nlocals; /* #local variables */
int co_stacksize; /* #entries needed for evaluation stack */
int co_flags; /* CO_..., see below */
+ int co_firstlineno; /* first source line number */
PyObject *co_code; /* instruction opcodes */
PyObject *co_consts; /* list (constants used) */
PyObject *co_names; /* list of strings (names used) */
PyObject *co_varnames; /* tuple of strings (local variable names) */
PyObject *co_freevars; /* tuple of strings (free variable names) */
PyObject *co_cellvars; /* tuple of strings (cell variable names) */
- /* The rest aren't used in either hash or comparisons, except for
- co_name (used in both) and co_firstlineno (used only in
- comparisons). This is done to preserve the name and line number
+ /* The rest aren't used in either hash or comparisons, except for co_name,
+ used in both. This is done to preserve the name and line number
for tracebacks and debuggers; otherwise, constant de-duplication
would collapse identical functions/lambdas defined on different lines.
*/
unsigned char *co_cell2arg; /* Maps cell vars which are arguments. */
PyObject *co_filename; /* unicode (where it was loaded from) */
PyObject *co_name; /* unicode (name, for reference) */
- int co_firstlineno; /* first source line number */
PyObject *co_lnotab; /* string (encoding addr<->lineno mapping) See
Objects/lnotab_notes.txt for details. */
void *co_zombieframe; /* for optimization only (see frameobject.c) */
PyObject *co_weakreflist; /* to support weakrefs to code objects */
+ /* Scratch space for extra data relating to the code object.
+ Type is a void* to keep the format private in codeobject.c to force
+ people to go through the proper APIs. */
+ void *co_extra;
} PyCodeObject;
/* Masks for co_flags above */
@@ -55,6 +68,7 @@ typedef struct {
``async def`` keywords) */
#define CO_COROUTINE 0x0080
#define CO_ITERABLE_COROUTINE 0x0100
+#define CO_ASYNC_GENERATOR 0x0200
/* These are no longer used. */
#if 0
@@ -126,7 +140,15 @@ PyAPI_FUNC(PyObject*) _PyCode_ConstantKey(PyObject *obj);
#endif
PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts,
- PyObject *names, PyObject *lineno_obj);
+ PyObject *names, PyObject *lnotab);
+
+
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(int) _PyCode_GetExtra(PyObject *code, Py_ssize_t index,
+ void **extra);
+PyAPI_FUNC(int) _PyCode_SetExtra(PyObject *code, Py_ssize_t index,
+ void *extra);
+#endif
#ifdef __cplusplus
}