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#ifndef Py_INTERNAL_INSTRUCTION_SEQUENCE_H
#define Py_INTERNAL_INSTRUCTION_SEQUENCE_H
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_symtable.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int h_label;
int h_startdepth;
int h_preserve_lasti;
} _PyExceptHandlerInfo;
typedef struct {
int i_opcode;
int i_oparg;
_Py_SourceLocation i_loc;
_PyExceptHandlerInfo i_except_handler_info;
/* Temporary fields, used by the assembler and in instr_sequence_to_cfg */
int i_target;
int i_offset;
} _PyInstruction;
typedef struct instruction_sequence {
PyObject_HEAD
_PyInstruction *s_instrs;
int s_allocated;
int s_used;
int s_next_free_label; /* next free label id */
/* Map of a label id to instruction offset (index into s_instrs).
* If s_labelmap is NULL, then each label id is the offset itself.
*/
int *s_labelmap;
int s_labelmap_size;
/* PyList of instruction sequences of nested functions */
PyObject *s_nested;
/* Code for creating annotations, spliced into the main sequence later */
struct instruction_sequence *s_annotations_code;
} _PyInstructionSequence;
typedef struct {
int id;
} _PyJumpTargetLabel;
#define NO_LABEL ((const _PyJumpTargetLabel){-1})
#define SAME_JUMP_TARGET_LABEL(L1, L2) ((L1).id == (L2).id)
#define IS_JUMP_TARGET_LABEL(L) (!SAME_JUMP_TARGET_LABEL((L), (NO_LABEL)))
PyAPI_FUNC(PyObject*)_PyInstructionSequence_New(void);
int _PyInstructionSequence_UseLabel(_PyInstructionSequence *seq, int lbl);
int _PyInstructionSequence_Addop(_PyInstructionSequence *seq,
int opcode, int oparg,
_Py_SourceLocation loc);
_PyJumpTargetLabel _PyInstructionSequence_NewLabel(_PyInstructionSequence *seq);
int _PyInstructionSequence_ApplyLabelMap(_PyInstructionSequence *seq);
int _PyInstructionSequence_InsertInstruction(_PyInstructionSequence *seq, int pos,
int opcode, int oparg, _Py_SourceLocation loc);
int _PyInstructionSequence_SetAnnotationsCode(_PyInstructionSequence *seq,
_PyInstructionSequence *annotations);
int _PyInstructionSequence_AddNested(_PyInstructionSequence *seq, _PyInstructionSequence *nested);
void PyInstructionSequence_Fini(_PyInstructionSequence *seq);
extern PyTypeObject _PyInstructionSequence_Type;
#define _PyInstructionSequence_Check(v) Py_IS_TYPE((v), &_PyInstructionSequence_Type)
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_INSTRUCTION_SEQUENCE_H */
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