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expression.cpp
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expression.cpp
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#include <vector>
#include <string>
#include "ast_etc.h"
#include "statement.h"
#include "type.h"
#include "expression.h"
#include "vm.h"
#include "utility.h"
#include <algorithm>
#include <iostream>
#include <stack>
#include <queue>
#include <typeinfo>
#include "color_text.h"
#include <memory>
#include "expression.h"
#include <iomanip>
shared_ptr<ExprAST> GetInitValue(shared_ptr<TypeAST> type,shared_ptr<CodegenInfo> cgi);
void VariableExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
if (FlameBack == 0 && LocalIndex<=5){
switch (LocalIndex){
case 0:
bytecodes->push_back(loadlocal00);
break;
case 1:
bytecodes->push_back(loadlocal01);
break;
case 2:
bytecodes->push_back(loadlocal02);
break;
case 3:
bytecodes->push_back(loadlocal03);
break;
case 4:
bytecodes->push_back(loadlocal04);
break;
case 5:
bytecodes->push_back(loadlocal05);
break;
}
}
else{
bytecodes->push_back(loadlocal);
bytecodes->push_back(FlameBack);
bytecodes->push_back(LocalIndex);
}
return;
}
void UnaryExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
Operand->Codegen(bytecodes,geninfo);
if(Operator=="!"){
if(TypeInfo->GetName()=="bool"){
bytecodes->push_back(bnot);
}
}else if(Operator=="-" || Operator=="~"){
if(TypeInfo->GetName()=="int"){
bytecodes->push_back(ineg);
}else if(TypeInfo->GetName()=="double"){
bytecodes->push_back(dneg);
}
}else if(Operator=="?"){
if(typeid(*Operand->TypeInfo)==typeid(ChannelTypeAST)){
bytecodes->push_back(channel_receive);
}
}
else if (Operator == "@?" || Operator == "@<" || Operator == "@>"){
//関数へ転送
bytecodes->push_back(loadlocal);
bytecodes->push_back(tofuncall_FlameBack);
bytecodes->push_back(tofuncall_LocalIndex);
bytecodes->push_back(invoke);
}
return;
}
//型情報を無視して、名前だけで変数を探します（リストなどを一括で扱うための暫定的なもの）
pair<int, int> SearchVariable_IgnoreType(string Name, shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
//名前が一致するものがあるか上位のフレームに遡りながら探す
int currentenv;
int i;
int FlameBack = 0,LocalIndex=0;
int candidate_count = 0;
for (currentenv = (static_cast<int>(env->size()) - 1); currentenv >= 0; currentenv--){
for (i = (*env)[currentenv].Items.size() - 1; i >= 0; i--){
if (Name == (*env)[currentenv].Items[i].VariableInfo.first){
//名前が一致
LocalIndex = (*env)[currentenv].Items[i].LocalIndex;
return pair<int,int>(FlameBack,LocalIndex);
}
}
if ((*env)[currentenv].is_internalblock == false){
FlameBack++;
}
}
error(Name + "は存在しません：内部エラー");
}
void BinaryExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
RHS->Codegen(bytecodes,geninfo);
//代入だけ特殊で、左辺を評価しない
if(Operator=="="){
bytecodes->push_back(dup);
if(typeid(*LHS)==typeid(ListRefExprAST)){
shared_ptr<ListRefExprAST> lhs_cast=dynamic_pointer_cast<ListRefExprAST>(LHS);
lhs_cast->AssignmentCodegen(bytecodes,geninfo);
}else if(typeid(*LHS)==typeid(DataMemberRefExprAST)){
shared_ptr<DataMemberRefExprAST> lhs_cast=dynamic_pointer_cast<DataMemberRefExprAST>(LHS);
lhs_cast->AssignmentCodegen(bytecodes,geninfo);
}else if(typeid(*LHS)==typeid(VariableExprAST)){
auto v_lhs = dynamic_pointer_cast<VariableExprAST>(LHS);
if (v_lhs->FlameBack == 0 && v_lhs->LocalIndex <= 5){
switch (v_lhs->LocalIndex){
case 0:
bytecodes->push_back(storelocal00);
break;
case 1:
bytecodes->push_back(storelocal01);
break;
case 2:
bytecodes->push_back(storelocal02);
break;
case 3:
bytecodes->push_back(storelocal03);
break;
case 4:
bytecodes->push_back(storelocal04);
break;
case 5:
bytecodes->push_back(storelocal05);
break;
}
}
else{
bytecodes->push_back(storelocal);
bytecodes->push_back(v_lhs->FlameBack);
bytecodes->push_back(v_lhs->LocalIndex);
}
}else{
error("代入式の左辺が不正です");
}
return;
}
LHS->Codegen(bytecodes,geninfo);
if(Operator=="+"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(iadd);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dadd);
}
else if (LHS->TypeInfo->GetName() == "string" || typeid(*(LHS->TypeInfo)) == typeid(ListTypeAST)){
//関数へ転送
bytecodes->push_back(loadlocal);
bytecodes->push_back(tofuncall_FlameBack);
bytecodes->push_back(tofuncall_LocalIndex);
bytecodes->push_back(invoke);
}
}else if(Operator=="-"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(isub);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dsub);
}
}else if(Operator=="*"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(imul);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dmul);
}
}else if(Operator=="/"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(idiv);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(ddiv);
}
}
else if (Operator == "<<"){
if (LHS->TypeInfo->GetName() == "int"){
bytecodes->push_back(ilshift);
}
} else if (Operator == "!"){
if (typeid(*LHS->TypeInfo) == typeid(ChannelTypeAST)){
bytecodes->push_back(channel_send);
}
}else if(Operator==">>"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(irshift);
}
}else if(Operator=="%"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(imod);
}
}else if(Operator=="&&"){
if(LHS->TypeInfo->GetName()=="bool"){
bytecodes->push_back(band);
}
}else if(Operator=="||"){
if(LHS->TypeInfo->GetName()=="bool"){
bytecodes->push_back(bor);
}
}else if(Operator=="=="){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmpeq);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmpeq);
}else if(LHS->TypeInfo->GetName()=="bool"){
bytecodes->push_back(bcmpeq);
}
}else if(Operator=="!="){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmpne);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmpne);
}else if(LHS->TypeInfo->GetName()=="bool"){
bytecodes->push_back(bcmpne);
}
}else if(Operator=="<"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmplt);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmplt);
}
}else if(Operator==">"){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmpgt);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmpgt);
}
}else if(Operator=="<="){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmple);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmple);
}
}else if(Operator==">="){
if(LHS->TypeInfo->GetName()=="int"){
bytecodes->push_back(icmpge);
}else if(LHS->TypeInfo->GetName()=="double"){
bytecodes->push_back(dcmpge);
}
}
else if (Operator == "@+"){
//関数へ転送
bytecodes->push_back(loadlocal);
bytecodes->push_back(tofuncall_FlameBack);
bytecodes->push_back(tofuncall_LocalIndex);
bytecodes->push_back(invoke);
}
return;
}
void CallExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
if(callee==nullptr){
//計算済み
bytecodes->push_back(ldc);
bytecodes->push_back(VM::PublicConstantPool.SetValue(CalculatedValue));
return;
}
vector<shared_ptr<ExprAST> >::reverse_iterator iter;
for(iter=args->rbegin();iter!=args->rend();iter++){
(*iter)->Codegen(bytecodes,geninfo);
}
if(args->size()==0 && typeid(*(callee->TypeInfo))==typeid(ContinuationTypeAST)){
//引数がvoidの時でもダミーの値を乗っける
bytecodes->push_back(pushnull);
}
callee->Codegen(bytecodes,geninfo);
if(typeid(*(callee->TypeInfo))==typeid(FunctionTypeAST)){
if(IsAsync){
bytecodes->push_back(invoke_async);
}else if(IsTail){
bytecodes->push_back(invoke_tail);
}else{
bytecodes->push_back(invoke);
}
}else if(typeid(*(callee->TypeInfo))==typeid(ContinuationTypeAST)){
bytecodes->push_back(resume_continuation);
}
}
void ListRefExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
if(typeid(ListTypeAST) != typeid(*(target->TypeInfo))){
target->Codegen(bytecodes,geninfo);
IndexExpression->Codegen(bytecodes,geninfo);
bytecodes->push_back(loadbyindex_vec);
}else{
target->Codegen(bytecodes,geninfo);
IndexExpression->Codegen(bytecodes,geninfo);
bytecodes->push_back(loadbyindex);
}
}
void DataMemberRefExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
target->Codegen(bytecodes,geninfo);
bytecodes->push_back(loadfield);
bytecodes->push_back((make_shared<StringValExprAST>(geninfo,MemberName))->PoolIndex);
}
//自身が関数ならばbodyのコード生成を行う。
//自身がクロージャならそれに加えてスタックに自身のポインタを置くコードを書く
void FunctionAST::Codegen(shared_ptr<vector<int> > bytecodes_given,shared_ptr<CodegenInfo> geninfo)
{
Body->Codegen(bytecodes,geninfo);
//最後にreturnを挿入（return文が省略された時のため）
//戻り値の型で場合分け
shared_ptr<TypeAST> rettype=dynamic_pointer_cast<FunctionTypeAST>(TypeInfo)->TypeList.back();
if(rettype->GetName()=="void"){
bytecodes->push_back(ret);
}else{
//非voidな関数でreturnされないときは-1を返す
bytecodes->push_back(ipush);
bytecodes->push_back(-1);
bytecodes->push_back(ret_withvalue);
}
if(Name.find("<anonymous",0)!=string::npos){
bytecodes_given->push_back(makeclosure);
bytecodes_given->push_back(PoolIndex);
}
if (SHOW_BYTECODE){
cout << endl << "--- " << Name << " ---" << endl;
ShowBytecode(bytecodes);
cout << endl;
}else{
VM::BytecodeToLabels(bytecodes,bytecode_labels);
}
return;
}
void IntValExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo){
if (Value >=-1 && Value <= 5){
switch (Value){
case -1:
bytecodes->push_back(pushim1);
break;
case 0:
bytecodes->push_back(pushi0);
break;
case 1:
bytecodes->push_back(pushi1);
break;
case 2:
bytecodes->push_back(pushi2);
break;
case 3:
bytecodes->push_back(pushi3);
break;
case 4:
bytecodes->push_back(pushi4);
break;
case 5:
bytecodes->push_back(pushi5);
break;
}
}
else{
bytecodes->push_back(ipush);
bytecodes->push_back(Value);
}
return;
}
void BoolValExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
if(Value){
bytecodes->push_back(bpush);
bytecodes->push_back(1);
}else{
bytecodes->push_back(bpush);
bytecodes->push_back(0);
}
}
void StringValExprAST::Codegen(shared_ptr<vector<int> > bytecodes,shared_ptr<CodegenInfo> geninfo)
{
bytecodes->push_back(ldc);
bytecodes->push_back(PoolIndex);
}
void ListRefExprAST::AssignmentCodegen(shared_ptr<vector<int> > bytecodes, shared_ptr<CodegenInfo> geninfo)
{
if(typeid(ListTypeAST) != typeid(*(target->TypeInfo))){
target->Codegen(bytecodes,geninfo);
IndexExpression->Codegen(bytecodes,geninfo);
bytecodes->push_back(storebyindex_vec);
}else{
target->Codegen(bytecodes,geninfo);
IndexExpression->Codegen(bytecodes,geninfo);
bytecodes->push_back(storebyindex);
}
}
void DataMemberRefExprAST::AssignmentCodegen(shared_ptr<vector<int> > bytecodes, shared_ptr<CodegenInfo> geninfo)
{
target->Codegen(bytecodes,geninfo);
bytecodes->push_back(storefield);
bytecodes->push_back((make_shared<StringValExprAST>(geninfo,MemberName))->PoolIndex);
}
shared_ptr<ExprAST> UnBuiltExprAST::BuildAST(shared_ptr<CodegenInfo> geninfo)
{
//式の解析を操車場アルゴリズムで行う
//一旦RPNにして、それからASTにする
queue<shared_ptr<ExprAST> > output;
stack<shared_ptr<OperatorAST> > operatorstack;
int input_pos=0;
/*
cout<<"ExprList size:"<<ExprList->size()<<endl;
for(auto iter=ExprList->begin();iter!=ExprList->end();iter++){
cout<<typeid(**iter).name()<<endl;
}
*/
while(input_pos < ExprList->size()){
if(typeid(OperatorAST) == typeid(*(ExprList->at(input_pos)))){
if(geninfo->OperatorList.count(dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Operator)==0){
//未登録の演算子
error("未定義の演算子です:"+dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Operator);
}
string op1=dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Operator;bool unary_force=false;
if(geninfo->OperatorList.count(op1)==2){
//unary/binaryの両方が存在
if(input_pos==0){
//強制的にunaryとして扱う
unary_force=true;
}
multimap<string,OperatorInfo>::iterator iter=geninfo->OperatorList.find(op1);
for(int i=0;i<2;i++){
//cout << unary_force << " : " << (*iter).second.UnaryOrBinary << endl;
if(unary_force && (*iter).second.UnaryOrBinary==Unary){
op1=(*iter).first;
dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info=(*iter).second;
break;
}else if(!unary_force && (*iter).second.UnaryOrBinary==Binary){
op1=(*iter).first;
dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info=(*iter).second;
break;
}
iter++;
}
}else if(geninfo->OperatorList.count(op1)==1){
multimap<string,OperatorInfo>::iterator iter=geninfo->OperatorList.find(op1);
op1=(*iter).first;
dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info=(*iter).second;
}else{
error("演算子が未定義です");
}
while(!operatorstack.empty()){
OperatorInfo op2=operatorstack.top()->Info;
if((dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info.Associativity==Left && dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info.Precedence<=op2.Precedence) || (dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos))->Info.Precedence<op2.Precedence)){
output.push(operatorstack.top());
operatorstack.pop();
}else{
break;
}
}
operatorstack.push(dynamic_pointer_cast<OperatorAST>(ExprList->at(input_pos)));
}else{
//演算子以外のもの
if(ExprList->at(input_pos)->IsBuilt()){
output.push(ExprList->at(input_pos));
}else{
//AST生成がまだなら再帰的にAST構築
output.push(dynamic_pointer_cast<UnBuiltExprAST >(ExprList->at(input_pos))->BuildAST(geninfo));
}
}
input_pos++;
}
while(!operatorstack.empty()){
output.push(operatorstack.top());
operatorstack.pop();
}
//この時点でoutputにRPN形式で式が入っている
stack<shared_ptr<ExprAST> > calcstack; //スタックを使いRPNを展開していく
while(!output.empty()){
calcstack.push(output.front());
output.pop();
if(typeid(*(calcstack.top()))==typeid(OperatorAST)){
shared_ptr<OperatorAST> op=dynamic_pointer_cast<OperatorAST>(calcstack.top()); calcstack.pop();
shared_ptr<ExprAST> operand1,operand2;
if(op->Info.UnaryOrBinary==Binary){
operand2=calcstack.top(); calcstack.pop();
operand1=calcstack.top(); calcstack.pop();
if (typeid(*operand1) == typeid(IntValExprAST) && typeid(*operand2) == typeid(IntValExprAST)){
if (op->Operator == "+"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value + dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "-"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value - dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "*"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value * dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "/"){
if (dynamic_pointer_cast<IntValExprAST>(operand2)->Value == 0){
error("ゼロ除算を見つけました。");
}
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value / dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "%"){
if (dynamic_pointer_cast<IntValExprAST>(operand2)->Value == 0){
error("ゼロ除算を見つけました。");
}
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value % dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == ">>"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value >> dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "<<"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value << dynamic_pointer_cast<IntValExprAST>(operand2)->Value));
continue;
}
}
else if (typeid(*operand1) == typeid(DoubleValExprAST) && typeid(*operand2) == typeid(DoubleValExprAST)){
if (op->Operator == "+"){
calcstack.push(make_shared<DoubleValExprAST>(geninfo,dynamic_pointer_cast<DoubleValExprAST>(operand1)->Value + dynamic_pointer_cast<DoubleValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "-"){
calcstack.push(make_shared<DoubleValExprAST>(geninfo,dynamic_pointer_cast<DoubleValExprAST>(operand1)->Value - dynamic_pointer_cast<DoubleValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "*"){
calcstack.push(make_shared<DoubleValExprAST>(geninfo,dynamic_pointer_cast<DoubleValExprAST>(operand1)->Value * dynamic_pointer_cast<DoubleValExprAST>(operand2)->Value));
continue;
}
else if (op->Operator == "/"){
calcstack.push(make_shared<DoubleValExprAST>(geninfo,dynamic_pointer_cast<DoubleValExprAST>(operand1)->Value / dynamic_pointer_cast<DoubleValExprAST>(operand2)->Value));
continue;
}
}
if (op->Info.UserDef){
//ユーザ定義なら関数コールとしてAST生成
auto args = make_shared<vector<shared_ptr<ExprAST>>>(); args->push_back(operand1); args->push_back(operand2);
calcstack.push(make_shared<CallExprAST>(make_shared<VariableExprAST>(op->Operator), args));
}
else{
calcstack.push(make_shared<BinaryExprAST>(op->Operator,operand1,operand2));
}
}else if(op->Info.UnaryOrBinary==Unary){
operand1=calcstack.top(); calcstack.pop();
if (typeid(*operand1) == typeid(IntValExprAST)){
if (op->Operator == "-" || op->Operator == "~"){
calcstack.push(make_shared<IntValExprAST>(dynamic_pointer_cast<IntValExprAST>(operand1)->Value*(-1)));
continue;
}
}
if (op->Info.UserDef){
//ユーザ定義なら関数コールとしてAST生成
auto args = make_shared<vector<shared_ptr<ExprAST>>>(); args->push_back(operand1);
calcstack.push(make_shared<CallExprAST>(make_shared<VariableExprAST>(op->Operator), args));
}
else{
calcstack.push(make_shared<UnaryExprAST>(op->Operator, operand1));
}
}else{
error("unknown error.");
}
}
}
if(calcstack.size()!=1){
error("expressionに問題があります。");
}
return calcstack.top();
}
shared_ptr<TypeAST> VariableExprAST::CheckType(shared_ptr<vector<Environment> > env,shared_ptr<CodegenInfo> geninfo,shared_ptr<vector< pair<string,shared_ptr<TypeAST> > > > CurrentLocalVars){
//変数を介しての呼び出しのとき
//名前が一致するものがあるか上位のフレームに遡りながら探す
int currentenv;
int i;
FlameBack=0;
for(currentenv=(static_cast<int>(env->size())-1);currentenv>=0;currentenv--){
for(i=(*env)[currentenv].Items.size()-1;i>=0;i--){
if(Name==(*env)[currentenv].Items[i].VariableInfo.first){
//名前が一致
TypeInfo = (*env)[currentenv].Items[i].VariableInfo.second;
LocalIndex=(*env)[currentenv].Items[i].LocalIndex;
if(currentenv==0 && geninfo->TopLevelFunction.size()>LocalIndex){
is_toplevel_func=true;
}else{
is_toplevel_func=false;
}
return TypeInfo;
}
}
if((*env)[currentenv].is_internalblock==false){
FlameBack++;
}
}
error(Name+"は未定義またはスコープ外または型の不一致です");
return TypeInfo;
}
shared_ptr<TypeAST> UnaryExprAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
//循環防止の為
if(TypeInfo!=nullptr){
return TypeInfo;
}
shared_ptr<TypeAST> oprandt=Operand->CheckType(env,geninfo,CurrentLocalVars);
if (oprandt == nullptr){ error("型を決定できません"); }
if(Operator=="!"){
if(oprandt->GetName()!="bool"){
error("型に問題があります。単項演算子:"+Operator+" オペランド:"+oprandt->GetName());
}
TypeInfo=oprandt;
}else if(Operator=="-" || Operator=="~"){
if(oprandt->GetName()!="int" && oprandt->GetName()!="double"){
error("型に問題があります。単項演算子:"+Operator+" オペランド:"+oprandt->GetName());
}
TypeInfo=oprandt;
}else if(Operator=="?"){
if(!(typeid(*oprandt)==typeid(ChannelTypeAST))){
error("型に問題があります。単項演算子:"+Operator+" オペランド:"+oprandt->GetName());
}
TypeInfo=dynamic_pointer_cast<ChannelTypeAST>(oprandt)->Type;
}else if (Operator == "@?"){
if (!(typeid(*oprandt) == typeid(ListTypeAST)) && oprandt->GetName() != "string" && !(typeid(*oprandt) == typeid(VectorTypeAST))){
error("型に問題があります。単項演算子:" + Operator + " オペランド:" + oprandt->GetName());
}
if (oprandt->GetName() == "string"){
auto index = SearchVariable_IgnoreType("!op_length_str", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
}else if(typeid(*oprandt)==typeid(VectorTypeAST)){
auto index = SearchVariable_IgnoreType("!op_length_vector", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
}else{
auto index = SearchVariable_IgnoreType("!op_length_list", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
}
TypeInfo = make_shared<BasicTypeAST>("int");
}else if (Operator == "@<"){
if (!(typeid(*oprandt) == typeid(ListTypeAST))){
error("型に問題があります。単項演算子:" + Operator + " オペランド:" + oprandt->GetName());
}
auto index = SearchVariable_IgnoreType("!op_car", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
TypeInfo = dynamic_pointer_cast<ListTypeAST>(oprandt)->ContainType;
}else if (Operator == "@>"){
if (!(typeid(*oprandt) == typeid(ListTypeAST))){
error("型に問題があります。単項演算子:" + Operator + " オペランド:" + oprandt->GetName());
}
auto index = SearchVariable_IgnoreType("!op_cdr", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
TypeInfo = oprandt;
}
if(TypeInfo==nullptr){
error("未知の単項演算子です:"+Operator);
}
return TypeInfo;
}
shared_ptr<TypeAST> BinaryExprAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
shared_ptr<TypeAST> lhst=LHS->CheckType(env,geninfo,CurrentLocalVars);
shared_ptr<TypeAST> rhst=RHS->CheckType(env,geninfo,CurrentLocalVars);
if (lhst == nullptr || rhst == nullptr){
//空リストの型が決定しない
if (lhst == nullptr && rhst==nullptr){
error("型を決定できませんでした");
}
else if(lhst==nullptr){
lhst = rhst;
}
else if (rhst == nullptr){
rhst = lhst;
}
}
TypeInfo=nullptr;
//組み込み型の型チェック
if(Operator=="+" || Operator=="-" || Operator=="*" || Operator=="/"){
if (lhst->GetName() != rhst->GetName() || (lhst->GetName() != "int" && lhst->GetName() != "double" && lhst->GetName() != "string" && typeid(*lhst) != typeid(ListTypeAST))){
error("型に問題があります。二項演算子 "+Operator+" 左辺:"+lhst->GetName()+" 右辺:"+rhst->GetName());
}
if (Operator == "+" && lhst->GetName() == "string"){
auto index = SearchVariable_IgnoreType("!op_append_str",env,geninfo,CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
}
if (Operator == "+" && typeid(*lhst) == typeid(ListTypeAST)){
auto index = SearchVariable_IgnoreType("!op_append_list", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
}
TypeInfo=lhst; //オペランドの型を元に自らの型を決める
}
else if (Operator == "%" || Operator == "<<" || Operator == ">>"){
if (lhst->GetName() != rhst->GetName() || (lhst->GetName() != "int")){
error("型に問題があります。二項演算子 " + Operator + " 左辺:" + lhst->GetName() + " 右辺:" + rhst->GetName());
}
TypeInfo = lhst;
} else if (Operator == "!"){
if (!(typeid(ChannelTypeAST) == typeid(*lhst) && dynamic_pointer_cast<ChannelTypeAST>(lhst)->Type->GetName() == rhst->GetName())){
error("型に問題があります。二項演算子 " + Operator + " 左辺:" + lhst->GetName() + " 右辺:" + rhst->GetName());
}
TypeInfo = make_shared<BasicTypeAST>("void");
}else if(Operator=="&&" || Operator=="||"){
if(lhst->GetName() != rhst->GetName() || (lhst->GetName()!="bool")){
error("型に問題があります。二項演算子 "+Operator+" 左辺:"+lhst->GetName()+" 右辺:"+rhst->GetName());
}
TypeInfo=lhst;
}else if(Operator=="<" || Operator==">" || Operator=="<=" || Operator==">="){
if(lhst->GetName() != rhst->GetName() || (lhst->GetName()!="int" && lhst->GetName()!="double")){
error("型に問題があります。二項演算子 "+Operator+" 左辺:"+lhst->GetName()+" 右辺:"+rhst->GetName());
}
TypeInfo=make_shared<BasicTypeAST>("bool");
}else if(Operator=="==" || Operator=="!="){
if(lhst->GetName() != rhst->GetName() || (lhst->GetName()!="int" && lhst->GetName()!="bool" && lhst->GetName()!="double")){
error("型に問題があります。二項演算子 "+Operator+" 左辺:"+lhst->GetName()+" 右辺:"+rhst->GetName());
}
TypeInfo=make_shared<BasicTypeAST>("bool");
}else if(Operator=="="){
if(lhst->GetName() != rhst->GetName()){
error("型に問題があります。二項演算子 "+Operator+" 左辺:"+lhst->GetName()+" 右辺:"+rhst->GetName());
}else if(typeid(*LHS)!=typeid(VariableExprAST) && typeid(*LHS)!=typeid(ListRefExprAST) && typeid(*LHS)!=typeid(DataMemberRefExprAST)){
error("代入式の左辺が変数ではありません。");
}
TypeInfo=lhst;
}
else if (Operator == "@+"){
if (typeid(*rhst) == typeid(ListTypeAST) && dynamic_pointer_cast<ListTypeAST>(rhst)->ContainType->GetName() != lhst->GetName()){
error("型に問題があります。二項演算子 " + Operator + " 左辺:" + lhst->GetName() + " 右辺:" + rhst->GetName());
}
auto index = SearchVariable_IgnoreType("!op_cons", env, geninfo, CurrentLocalVars);
tofuncall_FlameBack = index.first;
tofuncall_LocalIndex = index.second;
TypeInfo = rhst; //オペランドの型を元に自らの型を決める
}
if(TypeInfo==nullptr){
error("未知の二項演算子です: "+Operator);
}
return TypeInfo;
}
shared_ptr<TypeAST> FunctionAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
vector< pair<string,shared_ptr<TypeAST> > >::iterator argiter;
for(argiter=Args->begin();argiter!=Args->end();argiter++){
LocalVariables->push_back(*argiter);
}
Body->CheckType(env,geninfo,true,LocalVariables);
vector<shared_ptr<StatementAST> >::iterator iter2;
for(iter2=Body->Body->begin();iter2!=Body->Body->end();iter2++){
if(typeid(*(*iter2))==typeid(ReturnStatementAST)){
auto ft_ptr=dynamic_pointer_cast<FunctionTypeAST>(TypeInfo);
auto r_ptr=dynamic_pointer_cast<ReturnStatementAST>(*iter2);
//return文の場合特別扱い。返す値の型とこの関数の返り値の型が不一致ならばエラー
if(r_ptr->Expression==nullptr){
if(ft_ptr->TypeList.back()->GetName()=="!!undefined!!"){
//推論が必要
ft_ptr->TypeList.pop_back();
ft_ptr->TypeList.push_back(make_shared<BasicTypeAST>("void"));
}else if(ft_ptr->TypeList.back()->GetName() != "void"){
cout<<this->Name<<"について："<<endl;
error("'returnする値の型'と、'関数の戻り値の型'が一致しません。");
}
}
else{
if (r_ptr->Expression->TypeInfo == nullptr){
r_ptr->Expression->TypeInfo = ft_ptr->TypeList.back();
}
if (ft_ptr->TypeList.back()->GetName() == "!!undefined!!"){
//推論が必要
ft_ptr->TypeList.pop_back();
ft_ptr->TypeList.push_back(r_ptr->Expression->TypeInfo);
}
else if (ft_ptr->TypeList.back()->GetName() != r_ptr->Expression->TypeInfo->GetName()){
cout<<this->Name<<"について："<<endl;
error("'returnする値の型'と、'関数の戻り値の型'が一致しません。");
}
}
//末尾呼び出しの判定(return statement)
if(r_ptr->Expression!=nullptr && typeid(*(r_ptr->Expression))==typeid(CallExprAST)){
//cout<<BG_YELLOW<<"末尾呼び出しを発見しました"<<RESET<<endl;
dynamic_pointer_cast<CallExprAST>(r_ptr->Expression)->IsTail=true;
}
}
if(iter2==Body->Body->end()-1 && typeid(*(*iter2))==typeid(ExpressionStatementAST)){
//末尾呼び出しの判定(return statement)
if(dynamic_pointer_cast<ExpressionStatementAST>(*iter2)->Expression!=nullptr && typeid(*(dynamic_pointer_cast<ExpressionStatementAST>(*iter2)->Expression))==typeid(CallExprAST)){
//cout<<BG_YELLOW<<"末尾呼び出しを発見しました"<<RESET<<endl;
dynamic_pointer_cast<CallExprAST>(dynamic_pointer_cast<ExpressionStatementAST>(*iter2)->Expression)->IsTail=true;
}
}
}
if(dynamic_pointer_cast<FunctionTypeAST>(TypeInfo)->TypeList.back()->GetName()=="!!undefined!!"){
dynamic_pointer_cast<FunctionTypeAST>(TypeInfo)->TypeList.pop_back();
dynamic_pointer_cast<FunctionTypeAST>(TypeInfo)->TypeList.push_back(make_shared<BasicTypeAST>("void"));
}
return TypeInfo; //自らの型を一応返しておく
}
shared_ptr<TypeAST> CallExprAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
if(callee->IsBuilt()==false){
callee=dynamic_pointer_cast<UnBuiltExprAST >(callee)->BuildAST(geninfo);
}
callee->CheckType(env,geninfo,CurrentLocalVars);
if(callee->TypeInfo==nullptr){
error("再帰呼び出しをするには型情報を記述してください");
}
if(callee->TypeInfo!=nullptr && typeid(FunctionTypeAST) != typeid(*(callee->TypeInfo)) && typeid(ContinuationTypeAST) != typeid(*(callee->TypeInfo))){
error("関数呼び出し式で呼び出せるのは関数または継続です。");
}
bool error_occured=false;
if(typeid(*(callee->TypeInfo))==typeid(FunctionTypeAST)){
vector<shared_ptr<TypeAST> > currentarg=dynamic_pointer_cast<FunctionTypeAST>(callee->TypeInfo)->TypeList;
if(args->size()+1==currentarg.size()){ //+1するのは、argsには戻り値の型が含まれていないから
for(unsigned int j=0;j<args->size();j++){
if (args->at(j)->IsBuilt() == false){
args->at(j) = (dynamic_pointer_cast<UnBuiltExprAST >(args->at(j)))->BuildAST(geninfo);
}
args->at(j)->CheckType(env, geninfo, CurrentLocalVars);
if (args->at(j)->TypeInfo == nullptr){
args->at(j)->TypeInfo = currentarg[j];
}
if(args->at(j)->TypeInfo->GetName() != currentarg[j]->GetName()){
error_occured=true;
}
}
if(error_occured){goto type_error;}
TypeInfo=currentarg.back(); //関数の型ではなく関数の戻り値の型を代入
return TypeInfo;
}else{error("引数の個数が一致しません");}
type_error:
cout<<"[found] / [callee] "<<args->size()<<"/"<<currentarg.size()<<endl;
for(unsigned int j=0;j<args->size();j++){
cout<<((args->size()>j)?args->at(j)->TypeInfo->GetName():"<empty>")<<flush;
cout<<" / "<<((currentarg.size()>j)?currentarg[j]->GetName():"<empty>")<<endl;
}
error("引数リストの型とcalleeの引数の型が一致しません");
}else if(typeid(*(callee->TypeInfo))==typeid(ContinuationTypeAST)){
shared_ptr<TypeAST> contarg = dynamic_pointer_cast<ContinuationTypeAST>(callee->TypeInfo)->Type;
if (args->size() > 0){
if (args->at(0)->IsBuilt() == false){
args->at(0) = (dynamic_pointer_cast<UnBuiltExprAST>(args->at(0)))->BuildAST(geninfo);
}
args->at(0)->CheckType(env, geninfo, CurrentLocalVars);
if (args->at(0)->TypeInfo == nullptr){
args->at(0)->TypeInfo = contarg;
}
}
if((contarg->GetName()=="void" && args->size()==0) || (args->size()==1 && contarg->GetName()==args->at(0)->TypeInfo->GetName())){
TypeInfo=make_shared<BasicTypeAST>("void"); //継続へジャンプするから返り値の型とかどうでもいい
return TypeInfo;
}else{
error("引数リストの型と継続の型が一致しません");
}
}
}
shared_ptr<TypeAST> ListRefExprAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
if(IndexExpression->IsBuilt()==false){
IndexExpression=dynamic_pointer_cast<UnBuiltExprAST >(IndexExpression)->BuildAST(geninfo);
}
IndexExpression->CheckType(env,geninfo,CurrentLocalVars);
if(IndexExpression->TypeInfo->GetName()!="int"){
error("添字は整数で指定してください");
}
if(target->IsBuilt()==false){
target=dynamic_pointer_cast<UnBuiltExprAST >(target)->BuildAST(geninfo);
}
target->CheckType(env,geninfo,CurrentLocalVars);
if(typeid(ListTypeAST) != typeid(*(target->TypeInfo)) && typeid(TupleTypeAST) != typeid(*(target->TypeInfo)) && typeid(VectorTypeAST) != typeid(*(target->TypeInfo))){
error("添字を指定できるのはリストまたはタプルまたはベクタです");
}
if(typeid(ListTypeAST) == typeid(*(target->TypeInfo))){
TypeInfo=dynamic_pointer_cast<ListTypeAST>(target->TypeInfo)->ContainType;
}else if(typeid(VectorTypeAST) == typeid(*(target->TypeInfo))){
TypeInfo=dynamic_pointer_cast<VectorTypeAST>(target->TypeInfo)->ContainType;
}else if(typeid(TupleTypeAST) == typeid(*(target->TypeInfo))){
if(typeid(*IndexExpression) != typeid(IntValExprAST)){
error("タプルの添字は整数定数を指定してください");
}
if(dynamic_pointer_cast<IntValExprAST>(IndexExpression)->Value<0 || dynamic_pointer_cast<IntValExprAST>(IndexExpression)->Value>=dynamic_pointer_cast<TupleTypeAST>(target->TypeInfo)->ContainTypeList.size()){
error("タプルの範囲外です");
}
TypeInfo=dynamic_pointer_cast<TupleTypeAST>(target->TypeInfo)->ContainTypeList[dynamic_pointer_cast<IntValExprAST>(IndexExpression)->Value];
}
return TypeInfo;
}
shared_ptr<TypeAST> DataMemberRefExprAST::CheckType(shared_ptr<vector<Environment> > env, shared_ptr<CodegenInfo> geninfo, shared_ptr<vector< pair<string, shared_ptr<TypeAST> > > > CurrentLocalVars){
if(target->IsBuilt()==false){
target=dynamic_pointer_cast<UnBuiltExprAST >(target)->BuildAST(geninfo);
}
target->CheckType(env,geninfo,CurrentLocalVars);
if(typeid(BasicTypeAST) != typeid(*(target->TypeInfo))){
error("メンバ参照の左辺の型が不正です");
}
vector< pair<string,shared_ptr<TypeAST> > >::iterator miter;
vector<shared_ptr<DataDefAST> >::iterator diter;
bool found=false;
for(diter=geninfo->TopLevelDataDef.begin();diter!=geninfo->TopLevelDataDef.end();diter++){
if((*diter)->Name==target->TypeInfo->GetName()){
found=true;
break;
}
}
if(!found){
error("型"+target->TypeInfo->GetName()+"は構造体型ではありません：メンバ参照の左辺を確認してください");
}
if(diter!=geninfo->TopLevelDataDef.end()){
for(miter=(*diter)->MemberList.begin();miter!=(*diter)->MemberList.end();miter++){
if(miter->first==MemberName){
break;
}