217bbb7800
Separate getting a normal attribute and getting __dict__, was having to do too a check for __dict__ on each class (multiple times per getattro call from python) when its not used that often.
835 lines
18 KiB
C++
835 lines
18 KiB
C++
// Value.cpp: implementation of the CValue class.
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// developed at Eindhoven University of Technology, 1997
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// by the OOPS team
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//////////////////////////////////////////////////////////////////////
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/*
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* Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Erwin Coumans makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#include "Value.h"
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#include "FloatValue.h"
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#include "IntValue.h"
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#include "VectorValue.h"
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#include "VoidValue.h"
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#include "StringValue.h"
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#include "ErrorValue.h"
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#include "ListValue.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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double CValue::m_sZeroVec[3] = {0.0,0.0,0.0};
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bool CValue::m_ignore_deprecation_warnings(false);
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#ifndef NO_EXP_PYTHON_EMBEDDING
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PyTypeObject CValue::Type = {
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PyObject_HEAD_INIT(NULL)
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0,
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"CValue",
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sizeof(PyObjectPlus_Proxy),
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0,
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py_base_dealloc,
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0,
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0,
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0,
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0,
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py_base_repr,
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0,
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0,0,0,0,0,
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py_base_getattro,
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py_base_setattro,
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0,0,0,0,0,0,0,0,0,
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Methods
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};
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PyParentObject CValue::Parents[] = {
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&CValue::Type,
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NULL
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};
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PyMethodDef CValue::Methods[] = {
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// { "printHello", (PyCFunction) CValue::sPyPrintHello, METH_VARARGS},
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{ "getName", (PyCFunction) CValue::sPyGetName, METH_NOARGS},
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{NULL,NULL} //Sentinel
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};
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PyObject* CValue::PyGetName()
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{
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return PyString_FromString(this->GetName());
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}
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/*#define CVALUE_DEBUG*/
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#ifdef CVALUE_DEBUG
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int gRefCount;
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struct SmartCValueRef
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{
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CValue *m_ref;
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int m_count;
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SmartCValueRef(CValue *ref)
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{
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m_ref = ref;
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m_count = gRefCount++;
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}
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};
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#include <vector>
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std::vector<SmartCValueRef> gRefList;
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#endif
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#ifdef _DEBUG
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//int gRefCountValue;
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#endif
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CValue::CValue(PyTypeObject *T)
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: PyObjectPlus(T),
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#else
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CValue::CValue()
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:
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#endif //NO_EXP_PYTHON_EMBEDDING
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m_pNamedPropertyArray(NULL),
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m_refcount(1)
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/*
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pre: false
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effect: constucts a CValue
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*/
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{
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//debug(gRefCountValue++) // debugging
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#ifdef _DEBUG
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//gRefCountValue++;
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#ifdef CVALUE_DEBUG
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gRefList.push_back(SmartCValueRef(this));
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#endif
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#endif
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}
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CValue::~CValue()
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/*
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pre:
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effect: deletes the object
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*/
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{
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ClearProperties();
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assertd (m_refcount==0);
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#ifdef CVALUE_DEBUG
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std::vector<SmartCValueRef>::iterator it;
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for (it=gRefList.begin(); it!=gRefList.end(); it++)
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{
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if (it->m_ref == this)
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{
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*it = gRefList.back();
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gRefList.pop_back();
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break;
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}
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}
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#endif
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}
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#define VALUE_SUB(val1, val2) (val1)->Calc(VALUE_SUB_OPERATOR, val2)
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#define VALUE_MUL(val1, val2) (val1)->Calc(VALUE_MUL_OPERATOR, val2)
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#define VALUE_DIV(val1, val2) (val1)->Calc(VALUE_DIV_OPERATOR, val2)
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#define VALUE_NEG(val1) (val1)->Calc(VALUE_NEG_OPERATOR, val1)
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#define VALUE_POS(val1) (val1)->Calc(VALUE_POS_OPERATOR, val1)
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STR_String CValue::op2str (VALUE_OPERATOR op)
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{
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//pre:
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//ret: the stringrepresentation of operator op
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STR_String opmsg;
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switch (op) {
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case VALUE_MOD_OPERATOR:
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opmsg = " % ";
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break;
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case VALUE_ADD_OPERATOR:
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opmsg = " + ";
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break;
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case VALUE_SUB_OPERATOR:
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opmsg = " - ";
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break;
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case VALUE_MUL_OPERATOR:
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opmsg = " * ";
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break;
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case VALUE_DIV_OPERATOR:
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opmsg = " / ";
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break;
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case VALUE_NEG_OPERATOR:
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opmsg = " -";
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break;
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case VALUE_POS_OPERATOR:
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opmsg = " +";
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break;
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case VALUE_AND_OPERATOR:
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opmsg = " & ";
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break;
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case VALUE_OR_OPERATOR:
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opmsg = " | ";
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break;
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case VALUE_EQL_OPERATOR:
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opmsg = " = ";
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break;
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case VALUE_NEQ_OPERATOR:
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opmsg = " != ";
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break;
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case VALUE_NOT_OPERATOR:
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opmsg = " !";
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break;
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default:
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opmsg="Error in Errorhandling routine.";
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// AfxMessageBox("Invalid operator");
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break;
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}
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return opmsg;
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}
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//---------------------------------------------------------------------------------------------------------------------
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// Property Management
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//---------------------------------------------------------------------------------------------------------------------
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//
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// Set property <ioProperty>, overwrites and releases a previous property with the same name if needed
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//
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void CValue::SetProperty(const STR_String & name,CValue* ioProperty)
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{
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if (ioProperty==NULL)
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{ // Check if somebody is setting an empty property
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trace("Warning:trying to set empty property!");
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return;
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}
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if (m_pNamedPropertyArray)
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{ // Try to replace property (if so -> exit as soon as we replaced it)
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CValue* oldval = (*m_pNamedPropertyArray)[name];
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if (oldval)
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oldval->Release();
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}
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else { // Make sure we have a property array
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m_pNamedPropertyArray = new std::map<STR_String,CValue *>;
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}
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// Add property at end of array
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(*m_pNamedPropertyArray)[name] = ioProperty->AddRef();//->Add(ioProperty);
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}
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void CValue::SetProperty(const char* name,CValue* ioProperty)
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{
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if (ioProperty==NULL)
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{ // Check if somebody is setting an empty property
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trace("Warning:trying to set empty property!");
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return;
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}
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if (m_pNamedPropertyArray)
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{ // Try to replace property (if so -> exit as soon as we replaced it)
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CValue* oldval = (*m_pNamedPropertyArray)[name];
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if (oldval)
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oldval->Release();
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}
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else { // Make sure we have a property array
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m_pNamedPropertyArray = new std::map<STR_String,CValue *>;
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}
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// Add property at end of array
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(*m_pNamedPropertyArray)[name] = ioProperty->AddRef();//->Add(ioProperty);
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}
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//
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// Get pointer to a property with name <inName>, returns NULL if there is no property named <inName>
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//
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CValue* CValue::GetProperty(const STR_String & inName)
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{
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if (m_pNamedPropertyArray) {
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std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->find(inName);
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if (it != m_pNamedPropertyArray->end())
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return (*it).second;
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}
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return NULL;
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}
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CValue* CValue::GetProperty(const char *inName)
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{
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if (m_pNamedPropertyArray) {
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std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->find(inName);
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if (it != m_pNamedPropertyArray->end())
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return (*it).second;
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}
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return NULL;
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}
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//
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// Get text description of property with name <inName>, returns an empty string if there is no property named <inName>
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//
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STR_String CValue::GetPropertyText(const STR_String & inName,const STR_String& deftext)
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{
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CValue *property = GetProperty(inName);
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if (property)
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return property->GetText();
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else
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return deftext;//String::sEmpty;
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}
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float CValue::GetPropertyNumber(const STR_String& inName,float defnumber)
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{
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CValue *property = GetProperty(inName);
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if (property)
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return property->GetNumber();
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else
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return defnumber;
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}
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//
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// Remove the property named <inName>, returns true if the property was succesfully removed, false if property was not found or could not be removed
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//
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bool CValue::RemoveProperty(const char *inName)
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{
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// Check if there are properties at all which can be removed
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if (m_pNamedPropertyArray)
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{
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std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->find(inName);
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if (it != m_pNamedPropertyArray->end())
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{
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((*it).second)->Release();
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m_pNamedPropertyArray->erase(it);
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return true;
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}
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}
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return false;
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}
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//
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// Get Property Names
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//
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vector<STR_String> CValue::GetPropertyNames()
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{
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vector<STR_String> result;
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if(!m_pNamedPropertyArray) return result;
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result.reserve(m_pNamedPropertyArray->size());
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin(); (it != m_pNamedPropertyArray->end()); it++)
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{
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result.push_back((*it).first);
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}
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return result;
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}
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//
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// Clear all properties
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//
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void CValue::ClearProperties()
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{
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// Check if we have any properties
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if (m_pNamedPropertyArray == NULL)
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return;
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// Remove all properties
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin();(it != m_pNamedPropertyArray->end()); it++)
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{
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CValue* tmpval = (*it).second;
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//STR_String name = (*it).first;
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tmpval->Release();
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}
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// Delete property array
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delete m_pNamedPropertyArray;
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m_pNamedPropertyArray=NULL;
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}
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//
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// Set all properties' modified flag to <inModified>
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//
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void CValue::SetPropertiesModified(bool inModified)
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{
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if(!m_pNamedPropertyArray) return;
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin();(it != m_pNamedPropertyArray->end()); it++)
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((*it).second)->SetModified(inModified);
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}
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//
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// Check if any of the properties in this value have been modified
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//
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bool CValue::IsAnyPropertyModified()
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{
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if(!m_pNamedPropertyArray) return false;
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin();(it != m_pNamedPropertyArray->end()); it++)
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if (((*it).second)->IsModified())
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return true;
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return false;
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}
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//
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// Get property number <inIndex>
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//
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CValue* CValue::GetProperty(int inIndex)
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{
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int count=0;
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CValue* result = NULL;
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if (m_pNamedPropertyArray)
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{
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin(); (it != m_pNamedPropertyArray->end()); it++)
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{
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if (count++==inIndex)
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{
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result = (*it).second;
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break;
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}
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}
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}
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return result;
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}
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//
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// Get the amount of properties assiocated with this value
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//
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int CValue::GetPropertyCount()
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{
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if (m_pNamedPropertyArray)
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return m_pNamedPropertyArray->size();
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else
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return 0;
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}
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void CValue::CloneProperties(CValue *replica)
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{
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if (m_pNamedPropertyArray)
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{
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replica->m_pNamedPropertyArray=NULL;
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std::map<STR_String,CValue*>::iterator it;
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for (it= m_pNamedPropertyArray->begin(); (it != m_pNamedPropertyArray->end()); it++)
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{
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CValue *val = (*it).second->GetReplica();
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replica->SetProperty((*it).first,val);
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val->Release();
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}
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}
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}
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double* CValue::GetVector3(bool bGetTransformedVec)
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{
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assertd(false); // don;t get vector from me
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return m_sZeroVec;//::sZero;
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}
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/*---------------------------------------------------------------------------------------------------------------------
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Reference Counting
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---------------------------------------------------------------------------------------------------------------------*/
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//
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// Add a reference to this value
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//
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CValue *CValue::AddRef()
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{
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// Increase global reference count, used to see at the end of the program
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// if all CValue-derived classes have been dereferenced to 0
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//debug(gRefCountValue++);
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#ifdef _DEBUG
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//gRefCountValue++;
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#endif
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m_refcount++;
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return this;
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}
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//
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// Release a reference to this value (when reference count reaches 0, the value is removed from the heap)
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//
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int CValue::Release()
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{
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// Decrease global reference count, used to see at the end of the program
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// if all CValue-derived classes have been dereferenced to 0
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//debug(gRefCountValue--);
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#ifdef _DEBUG
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//gRefCountValue--;
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#endif
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// Decrease local reference count, if it reaches 0 the object should be freed
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if (--m_refcount > 0)
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{
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// Reference count normal, return new reference count
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return m_refcount;
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}
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else
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{
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// Reference count reached 0, delete ourselves and return 0
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// MT_assert(m_refcount==0, "Reference count reached sub-zero, object released too much");
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delete this;
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return 0;
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}
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}
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//
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// Disable reference counting for this value
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//
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void CValue::DisableRefCount()
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{
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assertd(m_refcount == 1);
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m_refcount--;
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//debug(gRefCountValue--);
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#ifdef _DEBUG
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//gRefCountValue--;
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#endif
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m_ValFlags.RefCountDisabled=true;
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}
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void CValue::AddDataToReplica(CValue *replica)
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{
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replica->m_refcount = 1;
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#ifdef _DEBUG
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//gRefCountValue++;
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#endif
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replica->m_ValFlags.RefCountDisabled = false;
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replica->ReplicaSetName(GetName());
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//copy all props
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CloneProperties(replica);
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}
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CValue* CValue::FindIdentifier(const STR_String& identifiername)
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{
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CValue* result = NULL;
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int pos = 0;
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// if a dot exists, explode the name into pieces to get the subcontext
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if ((pos=identifiername.Find('.'))>=0)
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{
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const STR_String rightstring = identifiername.Right(identifiername.Length() -1 - pos);
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const STR_String leftstring = identifiername.Left(pos);
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CValue* tempresult = GetProperty(leftstring);
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if (tempresult)
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{
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result=tempresult->FindIdentifier(rightstring);
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}
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} else
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{
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result = GetProperty(identifiername);
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if (result)
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return result->AddRef();
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}
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if (!result)
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{
|
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// warning here !!!
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result = new CErrorValue(identifiername+" not found");
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}
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return result;
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}
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|
|
|
|
#ifndef NO_EXP_PYTHON_EMBEDDING
|
|
|
|
|
|
static PyMethodDef CValueMethods[] =
|
|
{
|
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//{ "new", CValue::PyMake , METH_VARARGS},
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{ NULL,NULL} // Sentinel
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|
};
|
|
|
|
PyAttributeDef CValue::Attributes[] = {
|
|
{ NULL } //Sentinel
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|
};
|
|
|
|
|
|
PyObject* CValue::py_getattro(PyObject *attr)
|
|
{
|
|
char *attr_str= PyString_AsString(attr);
|
|
CValue* resultattr = GetProperty(attr_str);
|
|
if (resultattr)
|
|
{
|
|
PyObject* pyconvert = resultattr->ConvertValueToPython();
|
|
|
|
if (pyconvert)
|
|
return pyconvert;
|
|
else
|
|
return resultattr->GetProxy();
|
|
}
|
|
py_getattro_up(PyObjectPlus);
|
|
}
|
|
|
|
PyObject* CValue::py_getattro_dict() {
|
|
py_getattro_dict_up(PyObjectPlus);
|
|
}
|
|
|
|
CValue* CValue::ConvertPythonToValue(PyObject* pyobj)
|
|
{
|
|
|
|
CValue* vallie = NULL;
|
|
/* refcounting is broking here! - this crashes anyway, just store a python list for KX_GameObject */
|
|
#if 0
|
|
if (PyList_Check(pyobj))
|
|
{
|
|
CListValue* listval = new CListValue();
|
|
bool error = false;
|
|
|
|
int i;
|
|
int numitems = PyList_Size(pyobj);
|
|
for (i=0;i<numitems;i++)
|
|
{
|
|
PyObject* listitem = PyList_GetItem(pyobj,i); /* borrowed ref */
|
|
CValue* listitemval = ConvertPythonToValue(listitem);
|
|
if (listitemval)
|
|
{
|
|
listval->Add(listitemval);
|
|
} else
|
|
{
|
|
error = true;
|
|
}
|
|
}
|
|
if (!error)
|
|
{
|
|
// jippie! could be converted
|
|
vallie = listval;
|
|
} else
|
|
{
|
|
// list could not be converted... bad luck
|
|
listval->Release();
|
|
}
|
|
|
|
} else
|
|
#endif
|
|
if (PyFloat_Check(pyobj))
|
|
{
|
|
vallie = new CFloatValue( (float)PyFloat_AsDouble(pyobj) );
|
|
} else
|
|
if (PyInt_Check(pyobj))
|
|
{
|
|
vallie = new CIntValue( (cInt)PyInt_AS_LONG(pyobj) );
|
|
} else
|
|
if (PyLong_Check(pyobj))
|
|
{
|
|
vallie = new CIntValue( (cInt)PyLong_AsLongLong(pyobj) );
|
|
} else
|
|
if (PyString_Check(pyobj))
|
|
{
|
|
vallie = new CStringValue(PyString_AsString(pyobj),"");
|
|
} else
|
|
if (pyobj->ob_type==&CValue::Type || pyobj->ob_type==&CListValue::Type)
|
|
{
|
|
vallie = ((CValue*) pyobj)->AddRef();
|
|
} else
|
|
{
|
|
/* return an error value from the caller */
|
|
PyErr_SetString(PyExc_TypeError, "This python type could not be converted to a to a game engine property");
|
|
}
|
|
return vallie;
|
|
|
|
}
|
|
|
|
int CValue::py_delattro(PyObject *attr)
|
|
{
|
|
char *attr_str= PyString_AsString(attr);
|
|
if (RemoveProperty(STR_String(attr_str)))
|
|
return 0;
|
|
|
|
PyErr_Format(PyExc_AttributeError, "attribute \"%s\" dosnt exist", attr_str);
|
|
return 1;
|
|
}
|
|
|
|
int CValue::py_setattro(PyObject *attr, PyObject* pyobj)
|
|
{
|
|
char *attr_str= PyString_AsString(attr);
|
|
CValue* oldprop = GetProperty(attr_str);
|
|
|
|
CValue* vallie = ConvertPythonToValue(pyobj);
|
|
if (vallie)
|
|
{
|
|
if (oldprop)
|
|
oldprop->SetValue(vallie);
|
|
else
|
|
SetProperty(attr_str, vallie);
|
|
|
|
vallie->Release();
|
|
}
|
|
else {
|
|
// ConvertPythonToValue sets the error message
|
|
// must return missing so KX_GameObect knows this
|
|
// attribute was not a function or bult in attribute,
|
|
//
|
|
// CValue attributes override internal attributes
|
|
// so if it exists as a CValue attribute already,
|
|
// assume your trying to set it to a differnt CValue attribute
|
|
// otherwise return PY_SET_ATTR_MISSING so children
|
|
// classes know they can set it without conflict
|
|
|
|
if (GetProperty(attr_str))
|
|
return PY_SET_ATTR_COERCE_FAIL; /* failed to set an existing attribute */
|
|
else
|
|
return PY_SET_ATTR_MISSING; /* allow the KX_GameObject dict to set */
|
|
}
|
|
|
|
//PyObjectPlus::py_setattro(attr,value);
|
|
return PY_SET_ATTR_SUCCESS;
|
|
};
|
|
|
|
PyObject* CValue::ConvertKeysToPython( void )
|
|
{
|
|
PyObject *pylist = PyList_New( 0 );
|
|
PyObject *pystr;
|
|
|
|
if (m_pNamedPropertyArray)
|
|
{
|
|
std::map<STR_String,CValue*>::iterator it;
|
|
for (it= m_pNamedPropertyArray->begin(); (it != m_pNamedPropertyArray->end()); it++)
|
|
{
|
|
pystr = PyString_FromString( (*it).first );
|
|
PyList_Append(pylist, pystr);
|
|
Py_DECREF( pystr );
|
|
}
|
|
}
|
|
return pylist;
|
|
}
|
|
|
|
/*
|
|
PyObject* CValue::PyMake(PyObject* ignored,PyObject* args)
|
|
{
|
|
|
|
//if (!PyArg_ParseTuple(args,"s:make",&name)) return NULL;
|
|
Py_RETURN_NONE;//new CValue();
|
|
}
|
|
*/
|
|
|
|
extern "C" {
|
|
void initCValue(void)
|
|
{
|
|
Py_InitModule("CValue",CValueMethods);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
#endif //NO_EXP_PYTHON_EMBEDDING
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
/* These implementations were moved out of the header */
|
|
|
|
void CValue::SetOwnerExpression(class CExpression* expr)
|
|
{
|
|
/* intentionally empty */
|
|
}
|
|
|
|
void CValue::SetColorOperator(VALUE_OPERATOR op)
|
|
{
|
|
/* intentionally empty */
|
|
}
|
|
void CValue::SetValue(CValue* newval)
|
|
{
|
|
// no one should get here
|
|
assertd(newval->GetNumber() == 10121969);
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
/* deprecation warning management */
|
|
void CValue::SetDeprecationWarnings(bool ignoreDeprecationWarnings)
|
|
{
|
|
m_ignore_deprecation_warnings = ignoreDeprecationWarnings;
|
|
}
|
|
|
|
void CValue::ShowDeprecationWarning(const char* old_way,const char* new_way)
|
|
{
|
|
if (!m_ignore_deprecation_warnings) {
|
|
printf("Method %s is deprecated, please use %s instead.\n", old_way, new_way);
|
|
|
|
// import sys; print '\t%s:%d' % (sys._getframe(0).f_code.co_filename, sys._getframe(0).f_lineno)
|
|
|
|
PyObject *getframe, *frame;
|
|
PyObject *f_lineno, *f_code, *co_filename;
|
|
|
|
getframe = PySys_GetObject((char *)"_getframe"); // borrowed
|
|
if (getframe) {
|
|
frame = PyObject_CallObject(getframe, NULL);
|
|
if (frame) {
|
|
f_lineno= PyObject_GetAttrString(frame, "f_lineno");
|
|
f_code= PyObject_GetAttrString(frame, "f_code");
|
|
if (f_lineno && f_code) {
|
|
co_filename= PyObject_GetAttrString(f_code, "co_filename");
|
|
if (co_filename) {
|
|
|
|
printf("\t%s:%d\n", PyString_AsString(co_filename), (int)PyInt_AsLong(f_lineno));
|
|
|
|
Py_DECREF(f_lineno);
|
|
Py_DECREF(f_code);
|
|
Py_DECREF(co_filename);
|
|
Py_DECREF(frame);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Py_XDECREF(f_lineno);
|
|
Py_XDECREF(f_code);
|
|
Py_DECREF(frame);
|
|
}
|
|
|
|
}
|
|
PyErr_Clear();
|
|
printf("\tERROR - Could not access sys._getframe(0).f_lineno or sys._getframe().f_code.co_filename\n");
|
|
}
|
|
}
|
|
|