diff options
Diffstat (limited to 'Include')
-rw-r--r-- | Include/cpython/code.h | 32 | ||||
-rw-r--r-- | Include/internal/pycore_code.h | 49 |
2 files changed, 54 insertions, 27 deletions
diff --git a/Include/cpython/code.h b/Include/cpython/code.h index 6dc2290..be3b10b 100644 --- a/Include/cpython/code.h +++ b/Include/cpython/code.h @@ -86,15 +86,7 @@ typedef uint16_t _Py_CODEUNIT; PyObject *co_filename; /* unicode (where it was loaded from) */ \ PyObject *co_name; /* unicode (name, for reference) */ \ PyObject *co_qualname; /* unicode (qualname, for reference) */ \ - PyObject *co_linetable; /* bytes (encoding addr<->lineno mapping) \ - See Objects/lnotab_notes.txt for details. \ - */ \ - PyObject *co_endlinetable; /* bytes object that holds end lineno for \ - instructions separated across different \ - lines */ \ - PyObject *co_columntable; /* bytes object that holds start/end column \ - offset each instruction */ \ - \ + PyObject *co_linetable; /* bytes object that holds location info */ \ 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 \ @@ -153,13 +145,13 @@ PyAPI_FUNC(PyCodeObject *) PyCode_New( int, int, int, int, int, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *, - PyObject *, PyObject *, PyObject *); + PyObject *); PyAPI_FUNC(PyCodeObject *) PyCode_NewWithPosOnlyArgs( int, int, int, int, int, int, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *, - PyObject *, PyObject *, PyObject *); + PyObject *); /* same as struct above */ /* Creates a new empty code object with the specified source location. */ @@ -176,8 +168,8 @@ PyAPI_FUNC(int) PyCode_Addr2Location(PyCodeObject *, int, int *, int *, int *, i /* for internal use only */ struct _opaque { int computed_line; - const char *lo_next; - const char *limit; + const uint8_t *lo_next; + const uint8_t *limit; }; typedef struct _line_offsets { @@ -210,6 +202,20 @@ PyAPI_FUNC(int) _PyCode_GetExtra(PyObject *code, Py_ssize_t index, PyAPI_FUNC(int) _PyCode_SetExtra(PyObject *code, Py_ssize_t index, void *extra); + +typedef enum _PyCodeLocationInfoKind { + /* short forms are 0 to 9 */ + PY_CODE_LOCATION_INFO_SHORT0 = 0, + /* one lineforms are 10 to 12 */ + PY_CODE_LOCATION_INFO_ONE_LINE0 = 10, + PY_CODE_LOCATION_INFO_ONE_LINE1 = 11, + PY_CODE_LOCATION_INFO_ONE_LINE2 = 12, + + PY_CODE_LOCATION_INFO_NO_COLUMNS = 13, + PY_CODE_LOCATION_INFO_LONG = 14, + PY_CODE_LOCATION_INFO_NONE = 15 +} _PyCodeLocationInfoKind; + #ifdef __cplusplus } #endif diff --git a/Include/internal/pycore_code.h b/Include/internal/pycore_code.h index 8c868bc..3059db4 100644 --- a/Include/internal/pycore_code.h +++ b/Include/internal/pycore_code.h @@ -176,8 +176,6 @@ struct _PyCodeConstructor { PyObject *code; int firstlineno; PyObject *linetable; - PyObject *endlinetable; - PyObject *columntable; /* used by the code */ PyObject *consts; @@ -221,21 +219,10 @@ extern PyObject* _PyCode_GetCellvars(PyCodeObject *); extern PyObject* _PyCode_GetFreevars(PyCodeObject *); extern PyObject* _PyCode_GetCode(PyCodeObject *); -/* Return the ending source code line number from a bytecode index. */ -extern int _PyCode_Addr2EndLine(PyCodeObject *, int); - -/* Return the ending source code line number from a bytecode index. */ -extern int _PyCode_Addr2EndLine(PyCodeObject *, int); -/* Return the starting source code column offset from a bytecode index. */ -extern int _PyCode_Addr2Offset(PyCodeObject *, int); -/* Return the ending source code column offset from a bytecode index. */ -extern int _PyCode_Addr2EndOffset(PyCodeObject *, int); - /** API for initializing the line number tables. */ extern int _PyCode_InitAddressRange(PyCodeObject* co, PyCodeAddressRange *bounds); -extern int _PyCode_InitEndAddressRange(PyCodeObject* co, PyCodeAddressRange* bounds); -/** Out of process API for initializing the line number table. */ +/** Out of process API for initializing the location table. */ extern void _PyLineTable_InitAddressRange( const char *linetable, Py_ssize_t length, @@ -445,6 +432,40 @@ read_obj(uint16_t *p) return (PyObject *)val; } +static inline int +write_varint(uint8_t *ptr, unsigned int val) +{ + int written = 1; + while (val >= 64) { + *ptr++ = 64 | (val & 63); + val >>= 6; + written++; + } + *ptr = val; + return written; +} + +static inline int +write_signed_varint(uint8_t *ptr, int val) +{ + if (val < 0) { + val = ((-val)<<1) | 1; + } + else { + val = val << 1; + } + return write_varint(ptr, val); +} + +static inline int +write_location_entry_start(uint8_t *ptr, int code, int length) +{ + assert((code & 15) == code); + *ptr = 128 | (code << 3) | (length - 1); + return 1; +} + + #ifdef __cplusplus } #endif |