Finish all visit except VarDef

src/SysYFIRBuilder/IRBuilder.cpp

@@ -18,6 +18,9 @@ int exprRes = 0;
 std::string curFuncName = "";
 Ptr<SysYF::IR::Instruction> tmpInst;
 bool isFloat = false;
+bool isAddr = false;
+Ptr<BasicBlock> curCondBB;
+Ptr<BasicBlock> curAfterBB;
 
 // types
 Ptr<Type> VOID_T;
@@ -35,10 +38,6 @@ Ptr<Type> GetType(SyntaxTree::Type type){
             return INT1_T;
         case SyntaxTree::Type::VOID:
             return VOID_T;
-        case SyntaxTree::Type::BOOL:
-            return INT1_T;
-        case SyntaxTree::Type::STRING:
-            return INT32PTR_T;
         default:
             return nullptr;
     }
@@ -88,21 +87,12 @@ void IRBuilder::visit(SyntaxTree::FuncParam &node) {
             break;
         case SyntaxTree::Type::FLOAT:
             if (!node.array_index.empty()) {
-                // TODO： high dim array
+                // TODO： high dim array (not now)
                 funcFParam.push_back(FLOATPTR_T);
             }
             else
                 funcFParam.push_back(FLOAT_T);
             break;
-        case SyntaxTree::Type::VOID:
-            funcFParam.push_back(VOID_T);
-            break;
-        case SyntaxTree::Type::STRING:
-            funcFParam.push_back(INT32PTR_T);
-            break;
-        case SyntaxTree::Type::BOOL:
-            funcFParam.push_back(INT1_T);
-            break;
         default:
             funcFParam.push_back(INT32_T);
             break;
@@ -110,13 +100,13 @@ void IRBuilder::visit(SyntaxTree::FuncParam &node) {
 }
 
 void IRBuilder::visit(SyntaxTree::VarDef &node) {
-
+    ;
 }
 
 void IRBuilder::visit(SyntaxTree::LVal &node) {
     auto ident = scope.find(node.name, false);
     if (!node.array_index.empty()) {
-        //TODO: high dim array
+        //TODO: high dim array (not now)
         node.array_index[0]->accept(*this);
         auto index = tmpInst;
         tmpInst = builder->create_gep(ident, {CONST_INT(0), index});
@@ -124,48 +114,50 @@ void IRBuilder::visit(SyntaxTree::LVal &node) {
     else {
         tmpInst = dynamic_pointer_cast<Instruction>(ident);
     }
+    isAddr = true;
 }
 
 void IRBuilder::visit(SyntaxTree::AssignStmt &node) {
     node.target->accept(*this);
     auto target = tmpInst;
     node.value->accept(*this);
-    auto value = tmpInst;
+    Ptr<Value> value;
+    if (isAddr) {
+        value = builder->create_load(tmpInst);
+        isAddr = false;
+    }
+    else
+        value = dynamic_pointer_cast<Value>(tmpInst);
     builder->create_store(value, target);
 }
 
 void IRBuilder::visit(SyntaxTree::Literal &node) {
-    /*
     switch(node.literal_type) {
         case SyntaxTree::Type::INT:
-            tmp_val = CONST_INT(node.int_val);
+            tmp_val = CONST_INT(node.int_const);
+            isFloat = false;
             break;
         case SyntaxTree::Type::FLOAT:
-            tmp_val = CONST_FLOAT(node.float_val);
+            tmp_val = CONST_FLOAT(node.float_const);
-            break;
+            isFloat = true;
-        case SyntaxTree::Type::BOOL:
-            tmp_val = CONST_INT(node.bool_val);
-            break;
-        case SyntaxTree::Type::STRING:
-            tmp_val = CONST_INT(node.str_val);
             break;
         default:
             tmp_val = CONST_INT(0);
             break;
     }
-     */
 }
 
 void IRBuilder::visit(SyntaxTree::ReturnStmt &node) {
     node.ret->accept(*this);
-    builder->create_ret(tmpInst);
+    builder->create_ret(tmp_val);
-    return ;
 }
 
 void IRBuilder::visit(SyntaxTree::BlockStmt &node) {
+    scope.enter();
     for (const auto &stmt : node.body) {
         stmt->accept(*this);
     }
+    scope.exit();
     return ;
 }
 
@@ -185,14 +177,52 @@ void IRBuilder::visit(SyntaxTree::UnaryCondExpr &node) {
             if (isFloat) {
                 tmpInst = builder->create_fcmp_eq(tmpInst, CONST_FLOAT(0.0));
             }
-            else
+            else {
                 tmpInst = builder->create_icmp_eq(tmpInst, CONST_INT(0));
+            }
         default:
             break;
     }
 }
 
 void IRBuilder::visit(SyntaxTree::BinaryCondExpr &node) {
+    auto curFunc = builder->get_insert_block()->get_parent();
+    auto trueBB = BasicBlock::create(module, "trueBB_and", curFunc);
+    auto falseBB = BasicBlock::create(module, "falseBB_and", curFunc);
+    Ptr<Instruction> cond;
+    switch (node.op) {
+        case SyntaxTree::BinaryCondOp::LAND:
+            node.lhs->accept(*this);
+            cond = tmpInst;
+            builder->create_cond_br(cond, trueBB, falseBB);
+
+            // True - continue
+            builder->set_insert_point(trueBB);
+            node.rhs->accept(*this);
+            cond = tmpInst;
+
+            // False
+            builder->set_insert_point(falseBB);
+            tmpInst = cond;
+
+            break;
+        case SyntaxTree::BinaryCondOp::LOR:
+
+            node.lhs->accept(*this);
+            cond = tmpInst;
+            builder->create_cond_br(cond, trueBB, falseBB);
+
+            // False - continue
+            builder->set_insert_point(falseBB);
+            node.rhs->accept(*this);
+            cond = tmpInst;
+
+            // True
+            builder->set_insert_point(trueBB);
+            tmpInst = cond;
+
+            break;
+        default:
             node.lhs->accept(*this);
             auto lhs = tmpInst;
             node.rhs->accept(*this);
@@ -246,20 +276,25 @@ void IRBuilder::visit(SyntaxTree::BinaryCondExpr &node) {
                         tmpInst = builder->create_icmp_ne(lhs, rhs);
                     }
                     break;
-        case SyntaxTree::BinaryCondOp::LAND:
+                default:
-            //TODO: and
-            break;
-        case SyntaxTree::BinaryCondOp::LOR:
-            //TODO: or
                     break;
             }
     }
+}
 
 void IRBuilder::visit(SyntaxTree::BinaryExpr &node) {
     node.lhs->accept(*this);
     auto lhs = tmpInst;
+    if (isAddr) {
+        lhs = builder->create_load(lhs);
+        isAddr = false;
+    }
     node.rhs->accept(*this);
     auto rhs = tmpInst;
+    if(isAddr){
+        rhs = builder->create_load(rhs);
+        isAddr = false;
+    }
     switch (node.op) {
         case SyntaxTree::BinOp::PLUS:
             if(isFloat){
@@ -291,7 +326,7 @@ void IRBuilder::visit(SyntaxTree::BinaryExpr &node) {
             break;
         case SyntaxTree::BinOp::MODULO:
             if(isFloat){
-                // not support
+                ;// not support
             } else {
                 tmpInst = builder->create_isrem(lhs, rhs);
             }
@@ -318,11 +353,17 @@ void IRBuilder::visit(SyntaxTree::UnaryExpr &node) {
 }
 
 void IRBuilder::visit(SyntaxTree::FuncCallStmt &node) {
-
+    auto curFunc = builder->get_insert_block()->get_parent();
+    std::vector<Ptr<Value>> funcRParam;
+    for (const auto &param : node.params) {
+        param->accept(*this);
+        funcRParam.push_back(tmp_val);
+    }
+    builder->create_call(curFunc, funcRParam);
 }
 
 void IRBuilder::visit(SyntaxTree::IfStmt &node) {
-    auto curFunc = dynamic_pointer_cast<Function>(scope.find(curFuncName, true));
+    auto curFunc = builder->get_insert_block()->get_parent();
     node.cond_exp->accept(*this);
     auto cond = tmp_val;
     auto trueBB = BasicBlock::create(module, "trueBB_if", curFunc);
@@ -335,10 +376,12 @@ void IRBuilder::visit(SyntaxTree::IfStmt &node) {
 }
 
 void IRBuilder::visit(SyntaxTree::WhileStmt &node) {
-    auto curFunc = dynamic_pointer_cast<Function>(scope.find(curFuncName, true));
+    auto curFunc = builder->get_insert_block()->get_parent();
     auto condBB = BasicBlock::create(module, "condBB_while", curFunc);
     auto bodyBB = BasicBlock::create(module, "bodyBB_while", curFunc);
     auto afterBB = BasicBlock::create(module, "afterBB_while", curFunc);
+    curCondBB = condBB;
+    curAfterBB = afterBB;
 
     builder->create_br(condBB);
 
@@ -353,15 +396,18 @@ void IRBuilder::visit(SyntaxTree::WhileStmt &node) {
     builder->create_br(condBB);
 
     builder->set_insert_point(afterBB);
+
+    return ;
 }
 
 void IRBuilder::visit(SyntaxTree::BreakStmt &node) {
-
+    builder->create_br(curAfterBB);
+    return ;
 }
 
 void IRBuilder::visit(SyntaxTree::ContinueStmt &node) {
-
+    builder->create_br(curCondBB);
+    return ;
 }
-
 }
 }