void UnpackedStorage::assignUlamValuePtr(UlamValue pluv, UlamValue puv) { assert(pluv.getPtrTargetType() == puv.getPtrTargetType()); s32 leftbaseslot = pluv.getPtrSlotIndex(); //even for scalars m_values[leftbaseslot] = puv; }
EvalStatus NodeVarRefAs::eval() { assert(m_varSymbol); UTI nuti = getNodeType(); if(nuti == Nav) return ERROR; if(nuti == Hzy) return NOTREADY; assert(m_varSymbol->getUlamTypeIdx() == nuti); assert(!m_state.isAtom(nuti)); //rhs type of conditional as/has can't be an atom UlamValue pluv = m_state.m_currentAutoObjPtr; ((SymbolVariableStack *) m_varSymbol)->setAutoPtrForEval(pluv); //for future ident eval uses UTI luti = pluv.getPtrTargetType(); assert(m_state.okUTItoContinue(luti)); UlamType * lut = m_state.getUlamTypeByIndex(luti); ULAMCLASSTYPE lclasstype = lut->getUlamClassType(); UTI autostgtype = m_state.m_currentAutoStorageType; if((UlamType::compare(autostgtype, UAtom, m_state) == UTIC_SAME) && (lclasstype == UC_ELEMENT)) autostgtype = luti; //e.g. funccall expects a class, not an atom (t3636) ((SymbolVariableStack *) m_varSymbol)->setAutoStorageTypeForEval(autostgtype); //for future virtual function call eval uses //m_state.m_funcCallStack.storeUlamValueInSlot(pluv, ((SymbolVariableStack *) m_varSymbol)->getStackFrameSlotIndex()); //doesn't seem to matter.. return NORMAL; } //eval
void NodeCast::genCodeCastAtomAndElement(File * fp, UlamValue & uvpass) { UTI nuti = getNodeType(); UlamType * nut = m_state.getUlamTypeByIndex(nuti); UTI vuti = uvpass.getUlamValueTypeIdx(); s32 tmpVarNum = 0; if(vuti == Ptr) { tmpVarNum = uvpass.getPtrSlotIndex(); vuti = uvpass.getPtrTargetType(); //replace } // "downcast" might not be true; compare to be sure the atom is an element "Foo" if(vuti == UAtom) { m_state.indent(fp); fp->write("if(!"); fp->write(nut->getUlamTypeMangledName().c_str()); fp->write("<EC>::THE_INSTANCE."); fp->write(m_state.getIsMangledFunctionName()); fp->write("("); fp->write(m_state.getTmpVarAsString(vuti, tmpVarNum).c_str()); fp->write("))\n"); m_state.m_currentIndentLevel++; m_state.indent(fp); fp->write("FAIL(BAD_CAST);\n"); m_state.m_currentIndentLevel--; } //update the uvpass to have the casted type uvpass = UlamValue::makePtr(tmpVarNum, uvpass.getPtrStorage(), nuti, m_state.determinePackable(nuti), m_state, 0, uvpass.getPtrNameId()); //POS 0 rightjustified; pass along name id return; } //genCodeCastAtomAndElement
UlamValue NodeAtomof::makeUlamValuePtr() { // (from NodeVarDecl's makeUlamValuePtr) UlamValue ptr; UlamValue atomuv; UTI auti = getOfType(); assert(m_nodeOf); if(m_nodeOf->hasASymbolSelf()) { //when "self/atom" is a quark, we're inside a func called on a quark (e.g. dm or local) //'atom' gets entire atom/element containing this quark; including its type! //'self' gets type/pos/len of the quark from which 'atom' can be extracted UlamValue selfuvp = m_state.m_currentSelfPtr; UTI ttype = selfuvp.getPtrTargetType(); assert(m_state.okUTItoContinue(ttype)); if((m_state.getUlamTypeByIndex(ttype)->getUlamClassType() == UC_QUARK)) { selfuvp = atomuv; //bail for error } return selfuvp; } //done if(m_state.getReferenceType(auti) == ALT_AS) { assert(0); Symbol * vsym = NULL; m_nodeOf->getSymbolPtr(vsym); return ((SymbolVariableStack *) vsym)->getAutoPtrForEval(); //haha! we're done. } if(m_nodeOf->hasASymbolDataMember()) { UTI cuti = m_state.m_currentObjPtr.getPtrTargetType(); UlamType * cut = m_state.getUlamTypeByIndex(cuti); if(cut->getUlamClassType() == UC_QUARK) ptr = atomuv; //bail else { // return ptr to the m_currentObjPtr that contains this data member within ptr = UlamValue::makePtr(m_state.m_currentObjPtr.getPtrSlotIndex(), m_state.m_currentObjPtr.getPtrStorage(), auti, m_state.determinePackable(getNodeType()), m_state, 0, 0); //id? ptr.checkForAbsolutePtr(m_state.m_currentObjPtr); } } else { UTI vuti = getOfType(); UlamType * vut = m_state.getUlamTypeByIndex(vuti); if(vut->getUlamClassType() == UC_QUARK) ptr = atomuv; //bail else { //local variable on the stack; could be array ptr! Symbol * vsym = NULL; m_nodeOf->getSymbolPtr(vsym); ptr = UlamValue::makePtr(((SymbolVariableStack *) vsym)->getStackFrameSlotIndex(), STACK, auti, m_state.determinePackable(vuti), m_state, 0, vsym->getId()); //id? } } return ptr; } //makeUlamValuePtr
void NodeCast::genCodeCastAtomAndQuark(File * fp, UlamValue & uvpass) { UTI nuti = getNodeType(); //quark tobe UlamType * nut = m_state.getUlamTypeByIndex(nuti); UTI vuti = uvpass.getUlamValueTypeIdx(); if(vuti == Ptr) vuti = uvpass.getPtrTargetType(); //replace m_node->genCodeToStoreInto(fp, uvpass); //No need to load lhs into tmp (T); symbol's in COS vector assert(!m_state.m_currentObjSymbolsForCodeGen.empty()); Symbol * stgcos = NULL; stgcos = m_state.m_currentObjSymbolsForCodeGen[0]; s32 tmpVarPos = m_state.getNextTmpVarNumber(); // "downcast" might not be true; compare to be sure the atom has a quark "Foo" // get signed pos if(vuti == UAtom) { m_state.indent(fp); fp->write("const s32 "); fp->write(m_state.getTmpVarAsString(Int, tmpVarPos).c_str());; fp->write(" = "); //internal method, takes uc, u32 and const char*, returns s32 position fp->write(m_state.getHasMangledFunctionName(vuti)); fp->write("("); fp->write("uc, "); Node::genLocalMemberNameOfMethod(fp); //assume atom is a local var (neither dm nor ep) if(stgcos->isSelf()) fp->write("GetType(), "); //no read for self else fp->write("read().GetType(), "); fp->write("\""); fp->write(nut->getUlamTypeMangledName().c_str()); fp->write("\");\n"); //keeping pos in tmp } else { UlamType* vut = m_state.getUlamTypeByIndex(vuti); if(vut->getUlamClass() == UC_ELEMENT) { m_state.indent(fp); fp->write("const s32 "); fp->write(m_state.getTmpVarAsString(Int, tmpVarPos).c_str());; fp->write(" = "); //internal method, takes uc, u32 and const char*, returns s32 position fp->write(vut->getUlamTypeMangledName().c_str()); fp->write("<EC>::"); fp->write(m_state.getHasMangledFunctionName(vuti)); fp->write("(\""); fp->write(nut->getUlamTypeMangledName().c_str()); fp->write("\");\n"); //keeping pos in tmp } else { //e.g. a quark here would be wrong std::ostringstream msg; msg << "Casting 'incomplete' types "; msg << m_state.getUlamTypeNameBriefByIndex(nuti).c_str(); msg << " to be "; msg << m_state.getUlamTypeNameBriefByIndex(vuti).c_str(); MSG(getNodeLocationAsString().c_str(), msg.str().c_str(), ERR); assert(0);//return; } } m_state.indent(fp); fp->write("if("); fp->write(m_state.getTmpVarAsString(Int, tmpVarPos).c_str()); fp->write(" < 0)\n"); m_state.m_currentIndentLevel++; m_state.indent(fp); fp->write("FAIL(BAD_CAST);\n\n"); m_state.m_currentIndentLevel--; //informed by genCodedAutoLocal() in NodeVarDecl used for conditional-as // uses stgcos since there's no m_varSymbol in this situation. s32 tmpVarStg = m_state.getNextTmpVarNumber(); UTI stguti = stgcos->getUlamTypeIdx(); UlamType * stgut = m_state.getUlamTypeByIndex(stguti); assert(stguti == UAtom || stgut->getUlamClass() == UC_ELEMENT); // can't let Node::genCodeReadIntoTmpVar do this for us (we need a ref!): assert(m_state.m_currentObjSymbolsForCodeGen.size() == 1); m_state.indent(fp); // no const here fp->write(stgut->getTmpStorageTypeAsString().c_str()); fp->write("& "); fp->write(m_state.getTmpVarAsString(stguti, tmpVarStg, TMPBITVAL).c_str()); fp->write(" = "); fp->write(stgcos->getMangledName().c_str()); if(!stgcos->isSelf()) fp->write(".getRef()"); fp->write("; //ref needed\n"); // now we have our pos in tmpVarPos, and our T in tmpVarStg // time to (like a) "shadow 'self'" with auto local variable: m_state.indent(fp); fp->write(nut->getUlamTypeImmediateAutoMangledName().c_str()); //for C++ local vars, ie non-data members fp->write("<EC> "); s32 tmpIQ = m_state.getNextTmpVarNumber(); //tmp since no variable name fp->write(m_state.getTmpVarAsString(nuti, tmpIQ).c_str()); fp->write("("); fp->write(m_state.getTmpVarAsString(stguti, tmpVarStg, TMPBITVAL).c_str()); //for known quark: fp->write(", "); fp->write(m_state.getTmpVarAsString(Int, tmpVarPos).c_str()); fp->write(");\n"); //like, shadow lhs of as //update the uvpass to have the casted immediate quark uvpass = UlamValue::makePtr(tmpIQ, uvpass.getPtrStorage(), nuti, m_state.determinePackable(nuti), m_state, 0); //POS 0 rightjustified; m_state.m_currentObjSymbolsForCodeGen.clear(); //clear remnant of lhs } //genCodeCastAtomAndQuark
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()); fp->write_decimal(m_state.getTotalBitSize(vuti)); //src length fp->write(", "); fp->write_decimal(m_state.getTotalBitSize(nuti)); //tobe length fp->write(")"); fp->write(";\n"); //PROBLEM is that funccall checks for 0 nameid to use the tmp var! // but then if we don't pass it along Node::genMemberNameForMethod fails.. if(isTerminal) uvpass = UlamValue::makePtr(tmpVarCastNum, TMPREGISTER, nuti, m_state.determinePackable(nuti), m_state, 0); //POS 0 rightjustified. else uvpass = UlamValue::makePtr(tmpVarCastNum, TMPREGISTER, nuti, m_state.determinePackable(nuti), m_state, 0, uvpass.getPtrNameId()); //POS 0 rightjustified; pass along name id } //genCodeReadIntoTmp
void NodeBinaryOpEqualBitwise::genCode(File * fp, UlamValue& uvpass) { assert(m_nodeLeft && m_nodeRight); assert(m_state.m_currentObjSymbolsForCodeGen.empty()); #ifdef TMPVARBRACES m_state.indent(fp); fp->write("{\n"); m_state.m_currentIndentLevel++; #endif // generate rhs first; may update current object globals (e.g. function call) UlamValue ruvpass; m_nodeRight->genCode(fp, ruvpass); // restore current object globals assert(m_state.m_currentObjSymbolsForCodeGen.empty()); // lhs should be the new current object: node member select updates them, // but a plain NodeIdent does not!!! because genCodeToStoreInto has been repurposed // to mean "don't read into a TmpVar" (e.g. by NodeCast). UlamValue luvpass; m_nodeLeft->genCodeToStoreInto(fp, luvpass); //may update m_currentObjSymbol //wiped out by left read; need to write back into left std::vector<Symbol *> saveCOSVector = m_state.m_currentObjSymbolsForCodeGen; uvpass = luvpass; //keep luvpass slot untouched Node::genCodeReadIntoATmpVar(fp, uvpass); m_state.m_currentObjSymbolsForCodeGen = saveCOSVector; //restore vector after lhs read************* UTI nuti = getNodeType(); UlamType * nut = m_state.getUlamTypeByIndex(nuti); s32 tmpVarNum = m_state.getNextTmpVarNumber(); m_state.indent(fp); fp->write("const "); fp->write(nut->getTmpStorageTypeAsString().c_str()); //e.g. u32, s32, u64.. fp->write(" "); fp->write(m_state.getTmpVarAsString(nuti,tmpVarNum).c_str()); fp->write(" = "); fp->write(methodNameForCodeGen().c_str()); fp->write("("); UTI uti = uvpass.getUlamValueTypeIdx(); assert(uti == Ptr); fp->write(m_state.getTmpVarAsString(uvpass.getPtrTargetType(), uvpass.getPtrSlotIndex()).c_str()); fp->write(", "); UTI ruti = ruvpass.getUlamValueTypeIdx(); assert(ruti == Ptr); fp->write(m_state.getTmpVarAsString(ruvpass.getPtrTargetType(), ruvpass.getPtrSlotIndex()).c_str()); fp->write(", "); fp->write_decimal(nut->getBitSize()); fp->write(");\n"); uvpass = UlamValue::makePtr(tmpVarNum, TMPREGISTER, nuti, m_state.determinePackable(nuti), m_state, uvpass.getPtrPos(), uvpass.getPtrNameId()); //P // current object globals should pertain to lhs for the write genCodeWriteFromATmpVar(fp, luvpass, uvpass); //uses rhs' tmpvar; orig lhs #ifdef TMPVARBRACES m_state.m_currentIndentLevel--; m_state.indent(fp); fp->write("}\n"); //close for tmpVar #endif assert(m_state.m_currentObjSymbolsForCodeGen.empty()); } //genCode
EvalStatus NodeSquareBracket::evalToStoreInto() { assert(m_nodeLeft && m_nodeRight); UTI nuti = getNodeType(); if(nuti == Nav) return ERROR; evalNodeProlog(0); //new current frame pointer makeRoomForSlots(1); //always 1 slot for ptr EvalStatus evs = m_nodeLeft->evalToStoreInto(); if(evs != NORMAL) { evalNodeEpilog(); return evs; } UlamValue pluv = m_state.m_nodeEvalStack.popArg(); makeRoomForNodeType(m_nodeRight->getNodeType()); //offset a constant expression evs = m_nodeRight->eval(); if(evs != NORMAL) { evalNodeEpilog(); return evs; } UlamValue offset = m_state.m_nodeEvalStack.popArg(); // constant expression only required for array declaration u32 offsetdata = offset.getImmediateData(m_state); s32 offsetInt = m_state.getUlamTypeByIndex(offset.getUlamValueTypeIdx())->getDataAsCs32(offsetdata); UTI auti = pluv.getPtrTargetType(); UlamType * aut = m_state.getUlamTypeByIndex(auti); if(aut->isCustomArray()) { UTI caType = ((UlamTypeClass *) aut)->getCustomArrayType(); UlamType * caut = m_state.getUlamTypeByIndex(caType); u32 pos = pluv.getPtrPos(); if(caut->getBitSize() > MAXBITSPERINT) pos = 0; // itemUV = UlamValue::makeAtom(caType); //else // itemUV = UlamValue::makeImmediate(caType, 0, m_state); //quietly skip for now XXX //use CA type, not the left ident's type UlamValue scalarPtr = UlamValue::makePtr(pluv.getPtrSlotIndex(), pluv.getPtrStorage(), caType, m_state.determinePackable(caType), //PACKEDLOADABLE m_state, pos /* base pos of array */ ); //copy result UV to stack, -1 relative to current frame pointer assignReturnValuePtrToStack(scalarPtr); } else { //adjust pos by offset * len, according to its scalar type UlamValue scalarPtr = UlamValue::makeScalarPtr(pluv, m_state); if(scalarPtr.incrementPtr(m_state, offsetInt)) //copy result UV to stack, -1 relative to current frame pointer assignReturnValuePtrToStack(scalarPtr); else { s32 arraysize = m_state.getArraySize(pluv.getPtrTargetType()); Symbol * lsymptr; u32 lid = 0; if(getSymbolPtr(lsymptr)) lid = lsymptr->getId(); std::ostringstream msg; msg << "Array subscript [" << offsetInt << "] exceeds the size (" << arraysize; msg << ") of array '" << m_state.m_pool.getDataAsString(lid).c_str() << "'"; MSG(getNodeLocationAsString().c_str(), msg.str().c_str(), ERR); evs = ERROR; } } evalNodeEpilog(); return evs; } //evalToStoreInto
EvalStatus NodeSquareBracket::eval() { assert(m_nodeLeft && m_nodeRight); UTI nuti = getNodeType(); if(nuti == Nav) return ERROR; evalNodeProlog(0); //new current frame pointer makeRoomForSlots(1); //always 1 slot for ptr EvalStatus evs = m_nodeLeft->evalToStoreInto(); if(evs != NORMAL) { evalNodeEpilog(); return evs; } UlamValue pluv = m_state.m_nodeEvalStack.popArg(); UTI ltype = pluv.getPtrTargetType(); //could be a custom array which is a scalar quark. already checked. UlamType * lut = m_state.getUlamTypeByIndex(ltype); bool isCustomArray = lut->isCustomArray(); assert(!m_state.isScalar(ltype) || isCustomArray); //already checked, must be array makeRoomForNodeType(m_nodeRight->getNodeType()); //offset a constant expression evs = m_nodeRight->eval(); if(evs != NORMAL) { evalNodeEpilog(); return evs; } UlamValue offset = m_state.m_nodeEvalStack.popArg(); UlamType * offut = m_state.getUlamTypeByIndex(offset.getUlamValueTypeIdx()); s32 offsetInt = 0; if(offut->isNumericType()) { // constant expression only required for array declaration s32 arraysize = m_state.getArraySize(ltype); u32 offsetdata = offset.getImmediateData(m_state); offsetInt = offut->getDataAsCs32(offsetdata); if((offsetInt >= arraysize) && !isCustomArray) { Symbol * lsymptr; u32 lid = 0; if(getSymbolPtr(lsymptr)) lid = lsymptr->getId(); std::ostringstream msg; msg << "Array subscript [" << offsetInt << "] exceeds the size (" << arraysize; msg << ") of array '" << m_state.m_pool.getDataAsString(lid).c_str() << "'"; MSG(getNodeLocationAsString().c_str(), msg.str().c_str(), ERR); evalNodeEpilog(); return ERROR; } } else if(!isCustomArray) { Symbol * lsymptr; u32 lid = 0; if(getSymbolPtr(lsymptr)) lid = lsymptr->getId(); std::ostringstream msg; msg << "Array subscript of array '"; msg << m_state.m_pool.getDataAsString(lid).c_str(); msg << "' requires a numeric type"; MSG(getNodeLocationAsString().c_str(), msg.str().c_str(), ERR); evalNodeEpilog(); return ERROR; } assignReturnValueToStack(pluv.getValAt(offsetInt, m_state)); evalNodeEpilog(); return NORMAL; } //eval
void NodeBinaryOpCompare::genCode(File * fp, UlamValue& uvpass) { assert(m_nodeLeft && m_nodeRight); assert(m_state.m_currentObjSymbolsForCodeGen.empty()); //************* #ifdef TMPVARBRACES m_state.indent(fp); fp->write("{\n"); m_state.m_currentIndentLevel++; #endif // generate rhs first; may update current object globals (e.g. function call) UlamValue ruvpass; m_nodeRight->genCode(fp, ruvpass); // restore current object globals assert(m_state.m_currentObjSymbolsForCodeGen.empty()); //************* UlamValue luvpass; m_nodeLeft->genCode(fp, luvpass); //updates m_currentObjSymbol UTI nuti = getNodeType(); UlamType * nut = m_state.getUlamTypeByIndex(nuti); s32 tmpVarNum = m_state.getNextTmpVarNumber(); m_state.indent(fp); fp->write("const "); fp->write(nut->getTmpStorageTypeAsString().c_str()); //e.g. u32, s32, u64.. fp->write(" "); fp->write(m_state.getTmpVarAsString(nuti,tmpVarNum).c_str()); fp->write(" = "); fp->write(methodNameForCodeGen().c_str()); fp->write("("); UTI luti = luvpass.getUlamValueTypeIdx(); assert(luti == Ptr); luti = luvpass.getPtrTargetType(); //reset fp->write(m_state.getTmpVarAsString(luti, luvpass.getPtrSlotIndex()).c_str()); fp->write(", "); UTI ruti = ruvpass.getUlamValueTypeIdx(); assert(ruti == Ptr); fp->write(m_state.getTmpVarAsString(ruvpass.getPtrTargetType(), ruvpass.getPtrSlotIndex()).c_str()); fp->write(", "); //compare needs size of left/right nodes (only difference!) fp->write_decimal(m_state.getUlamTypeByIndex(luti)->getTotalBitSize()); fp->write(");\n"); uvpass = UlamValue::makePtr(tmpVarNum, TMPREGISTER, nuti, m_state.determinePackable(nuti), m_state, 0); //P #ifdef TMPVARBRACES m_state.m_currentIndentLevel--; m_state.indent(fp); fp->write("}\n"); //close for tmpVar #endif assert(m_state.m_currentObjSymbolsForCodeGen.empty()); //************* } //genCode