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https://bitbucket.org/librepilot/librepilot.git
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1e78cc7a30
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2364 ebee16cc-31ac-478f-84a7-5cbb03baadba
140 lines
3.2 KiB
Python
140 lines
3.2 KiB
Python
# This file is Copyright 2009, 2010 Dean Hall.
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#
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# This file is part of the Python-on-a-Chip program.
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# Python-on-a-Chip is free software: you can redistribute it and/or modify
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# it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1.
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#
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# Python-on-a-Chip is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# A copy of the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1
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# is seen in the file COPYING in this directory.
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## @file
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# @copybrief sizeof
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## @package sizeof
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# @brief Provides PyMite's sizeof module.
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#
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# <b>USAGE</b>
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#
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# \code sizeof.sizeof(obj) \endcode
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#
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# Prints the size of the given object. If obj is an integer from 0..31,
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# the size of the object type represented by that integer will be returned.
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"""__NATIVE__
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#include "pm.h"
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"""
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def sizeof(obj):
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"""__NATIVE__
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pPmObj_t pobj;
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pPmObj_t psize;
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int32_t n;
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PmReturn_t retval = PM_RET_OK;
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int32_t static size[] = {
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sizeof(PmObj_t), /* None type */
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sizeof(PmInt_t),
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sizeof(PmFloat_t),
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sizeof(PmString_t),
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sizeof(PmTuple_t),
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sizeof(PmCo_t),
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sizeof(PmFunc_t), /* Module Obj uses func struct */
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sizeof(PmClass_t),
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sizeof(PmFunc_t),
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sizeof(PmClass_t), /* Class instance */
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0, /* CIM */
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0, /* NIM */
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sizeof(PmCo_t), /* NOB */
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sizeof(PmThread_t),
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sizeof(PmClass_t), /* Exception instance */
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sizeof(PmBoolean_t),
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sizeof(PmCodeImgObj_t),
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sizeof(PmList_t),
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sizeof(PmDict_t),
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0,
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0,
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0,
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0,
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0,
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0,
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sizeof(PmFrame_t),
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sizeof(PmBlock_t),
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sizeof(Segment_t),
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sizeof(Seglist_t),
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sizeof(PmSeqIter_t),
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sizeof(PmNativeFrame_t),
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};
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/* If wrong number of args, raise TypeError */
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if (NATIVE_GET_NUM_ARGS() != 1)
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{
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PM_RAISE(retval, PM_RET_EX_TYPE);
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return retval;
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}
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pobj = NATIVE_GET_LOCAL(0);
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if (OBJ_GET_TYPE(pobj) == OBJ_TYPE_INT)
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{
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n = ((pPmInt_t)pobj)->val;
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if ((n >= 0) && (n < 32))
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{
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/* Return the size of the type represented by the integer */
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retval = int_new(size[n], &psize);
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}
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else
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{
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/* Return the size of an integer object */
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retval = int_new(OBJ_GET_SIZE(pobj), &psize);
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}
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}
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else
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{
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/* Return the size of the given non-integer object */
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retval = int_new(OBJ_GET_SIZE(pobj), &psize);
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}
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NATIVE_SET_TOS(psize);
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return retval;
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"""
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pass
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def print_sizes():
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types = (
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'NON',
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'INT',
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'FLT',
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'STR',
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'TUP',
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'COB',
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'MOD',
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'CLO',
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'FXN',
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'CLI',
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'CIM',
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'NIM',
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'NOB',
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'THR',
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0,
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'BOL',
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'CIO',
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'LST',
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'DIC',
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0, 0, 0, 0, 0, 0,
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'FRM',
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'BLK',
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'SEG',
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'SGL',
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'SQI',
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'NFM',
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0,
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)
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for i in range(32):
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if types[i] != 0:
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print "sizeof(", types[i], ") = ", sizeof(i)
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#:mode=c:
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