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