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C++ UlamType::castMethodForCodeGen方法代码示例

本文整理汇总了C++中UlamType::castMethodForCodeGen方法的典型用法代码示例。如果您正苦于以下问题:C++ UlamType::castMethodForCodeGen方法的具体用法?C++ UlamType::castMethodForCodeGen怎么用?C++ UlamType::castMethodForCodeGen使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在UlamType的用法示例。


在下文中一共展示了UlamType::castMethodForCodeGen方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: genCodeReadIntoATmpVar

  void NodeCast::genCodeReadIntoATmpVar(File * fp, UlamValue& uvpass)
  {
    // e.g. called by NodeFunctionCall on a NodeTerminal..
    if(!needsACast())
      {
	return m_node->genCodeReadIntoATmpVar(fp, uvpass);
      }

    UTI nuti = getNodeType();
    UlamType * nut = m_state.getUlamTypeByIndex(nuti);

    UTI vuti = uvpass.getUlamValueTypeIdx();

    bool isTerminal = false;
    s32 tmpVarNum = 0;

   if(vuti == Ptr)
      {
	tmpVarNum = uvpass.getPtrSlotIndex();
	vuti = uvpass.getPtrTargetType(); //replace
      }
    else
      {
	// an immediate terminal value
	isTerminal = true;
      }

   if(nuti == vuti)
     return; //nothing to do!

   UlamType * vut = m_state.getUlamTypeByIndex(vuti); //after vuti replacement
   ULAMCLASSTYPE nclasstype = nut->getUlamClass();
   ULAMCLASSTYPE vclasstype = vut->getUlamClass();

   //handle element-atom and atom-element casting differently:
   // handle element->quark, atom->quark, not quark->element or quark->atom
   if(nuti == UAtom || vuti == UAtom || vclasstype == UC_ELEMENT || vclasstype == UC_QUARK)
     {
       //only to be nclasstype quark makes sense!!! check first, one might be element
       if(nclasstype == UC_QUARK || vclasstype == UC_QUARK)
	 return genCodeCastAtomAndQuark(fp, uvpass);

       if(nclasstype == UC_ELEMENT || vclasstype == UC_ELEMENT)
	 return genCodeCastAtomAndElement(fp, uvpass);

       {
	 std::ostringstream msg;
	 msg << "Casting 'incomplete' types: ";
	 msg << m_state.getUlamTypeNameByIndex(nuti).c_str();
	 msg << "(UTI" << nuti << ") to be " << m_state.getUlamTypeNameByIndex(vuti).c_str();
	 msg << "(UTI" << vuti << ")";
	 MSG(getNodeLocationAsString().c_str(), msg.str().c_str(), DEBUG);
	 return;
       }
     }

   s32 tmpVarCastNum = m_state.getNextTmpVarNumber();

   m_state.indent(fp);
   fp->write("const ");
   fp->write(nut->getTmpStorageTypeAsString().c_str()); //e.g. u32, s32, u64, etc.
   fp->write(" ");
   fp->write(m_state.getTmpVarAsString(nuti, tmpVarCastNum).c_str());
   fp->write(" = ");

   // write the cast method (e.g. _Unsigned32ToInt32, _Int32ToUnary32, etc..)
   fp->write(nut->castMethodForCodeGen(vuti).c_str());
   fp->write("(");

   if(isTerminal)
     {
       s32 len = m_state.getBitSize(vuti);
       assert(len != UNKNOWNSIZE);
       if(len <= MAXBITSPERINT)
	 {
	   u32 data = uvpass.getImmediateData(m_state);
	   char dstr[40];
	   vut->getDataAsString(data, dstr, 'z');
	   fp->write(dstr);
	 }
       else if(len <= MAXBITSPERLONG)
	 {
	   u64 data = uvpass.getImmediateDataLong(m_state);
	   char dstr[70];
	   vut->getDataLongAsString(data, dstr, 'z');
	   fp->write(dstr);
	 }
       else
	 assert(0);
     }
   else
     {
       fp->write(m_state.getTmpVarAsString(nuti, tmpVarNum).c_str());
     }

   fp->write(", ");

   assert(!(nuti == UAtom || vuti == UAtom));
   //LENGTH of node being casted (Uh_AP_mi::LENGTH ?)
   //fp->write(m_state.getBitVectorLengthAsStringForCodeGen(nodetype).c_str());
//.........这里部分代码省略.........
开发者ID:Jansuns,项目名称:Robust-first,代码行数:101,代码来源:NodeCast.cpp


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