[IR Gen] debugging SIGSEGV

src/LLVMIRGenerator.cpp

@@ -533,6 +533,7 @@ std::any LLVMIRGenerator::visitUnExp(SysYParser::UnExpContext* ctx) {
     }
     return ctx->unaryExp()->accept(this);
 }
+
 std::any LLVMIRGenerator::visitCall(SysYParser::CallContext *ctx)
 {
     std::string funcName = ctx->Ident()->getText();

src/LLVMIRGenerator_1.cpp

@@ -180,7 +180,7 @@ std::any LLVMIRGenerator::visitConstDecl(SysYParser::ConstDeclContext* ctx) {
             symbolTable[varName] = {allocaName, llvmType};
             tmpTable[allocaName] = llvmType;
 
-            // 局部常量（SysY IR）
+            // 局部常量（SysY IR）TODO:这里可能有bug，AI在犯蠢
             sysy::IRBuilder builder(currentIRBlock);
             auto allocaInst = builder.createAllocaInst(irType, {}, varName);
             builder.createStoreInst(initValue, allocaInst);
@@ -230,9 +230,9 @@ std::any LLVMIRGenerator::visitVarDef(SysYParser::VarDefContext* ctx) {
 
     symbolTable[varName] = {allocaName, llvmType};
     tmpTable[allocaName] = llvmType;
-    irSymbolTable[varName] = allocaInst;
+    irSymbolTable[varName] = allocaInst;//TODO:这里没看懂在干嘛
-    irTmpTable[allocaName] = allocaInst;
+    irTmpTable[allocaName] = allocaInst;//TODO:这里没看懂在干嘛
-    builder.createStoreInst(initValue, allocaInst);
+    builder.createStoreInst(initValue, allocaInst);//TODO:这里没看懂在干嘛
     return nullptr;
 }
 
@@ -342,6 +342,7 @@ std::any LLVMIRGenerator::visitAssignStmt(SysYParser::AssignStmtContext* ctx) {
             rhs = ss.str();
         } catch (...) {
             // 如果 rhs 不是字面量，假设已正确处理
+            throw std::runtime_error("Invalid float literal: " + rhs);
         }
     }
     irStream << "  store " << lhsType << " " << rhs << ", " << lhsType 
@@ -485,9 +486,7 @@ std::any LLVMIRGenerator::visitLValue(SysYParser::LValueContext* ctx) {
 std::any LLVMIRGenerator::visitPrimExp(SysYParser::PrimExpContext* ctx) {
     SysYParser::PrimaryExpContext* pExpCtx = ctx->primaryExp();
     if (auto* lvalCtx = dynamic_cast<SysYParser::LValContext*>(pExpCtx)) {
-        std
+        std::string allocaPtr = std::any_cast<std::string>(lvalCtx->lValue()->accept(this));
-
-::string allocaPtr = std::any_cast<std::string>(lvalCtx->lValue()->accept(this));
         std::string varName = lvalCtx->lValue()->Ident()->getText();
         std::string type = symbolTable[varName].second;
         std::string temp = getNextTemp();
@@ -509,6 +508,9 @@ std::any LLVMIRGenerator::visitPrimExp(SysYParser::PrimExpContext* ctx) {
     } else if (auto* numCtx = dynamic_cast<SysYParser::NumContext*>(pExpCtx)) {
         return numCtx->number()->accept(this);
     } else {
+        // 没有成功转换，说明 ctx->primaryExp() 不是 NumContext 或其他已知类型
+        // 可能是其他类型的表达式，或者是一个空的 PrimaryExpContext
+        std::cout << "Unknown primary expression type." << std::endl;
         throw std::runtime_error("Unknown primary expression type.");
     }
 }
@@ -555,6 +557,36 @@ std::any LLVMIRGenerator::visitString(SysYParser::StringContext* ctx) {
     return ctx->STRING()->getText();
 }
 
+
+
+std::any LLVMIRGenerator::visitUnExp(SysYParser::UnExpContext* ctx) {
+    if (ctx->unaryOp()) {
+        std::string operand = std::any_cast<std::string>(ctx->unaryExp()->accept(this));
+        sysy::Value* irOperand = irTmpTable[operand];
+        std::string op = ctx->unaryOp()->getText();
+        std::string temp = getNextTemp();
+        std::string type = tmpTable[operand];
+        sysy::Type* irType = getIRType(type == "i32" ? "int" : "float");
+        tmpTable[temp] = type;
+
+        // 文本 IR
+        if (op == "-") {
+            irStream << "  " << temp << " = sub " << type << " 0, " << operand << "\n";
+        } else if (op == "!") {
+            irStream << "  " << temp << " = xor " << type << " " << operand << ", 1\n";
+        }
+
+        // SysY IR
+        sysy::IRBuilder builder(currentIRBlock);
+        sysy::Instruction::Kind kind = (op == "-") ? (type == "i32" ? sysy::Instruction::kNeg : sysy::Instruction::kFNeg)
+                                                  : sysy::Instruction::kNot;
+        auto unaryInst = builder.createUnaryInst(kind, irType, irOperand, temp);
+        irTmpTable[temp] = unaryInst;
+        return temp;
+    }
+    return ctx->unaryExp()->accept(this);
+}
+
 std::any LLVMIRGenerator::visitCall(SysYParser::CallContext* ctx) {
     std::string funcName = ctx->Ident()->getText();
     std::vector<std::string> args;
@@ -588,34 +620,6 @@ std::any LLVMIRGenerator::visitCall(SysYParser::CallContext* ctx) {
     return temp;
 }
 
-std::any LLVMIRGenerator::visitUnExp(SysYParser::UnExpContext* ctx) {
-    if (ctx->unaryOp()) {
-        std::string operand = std::any_cast<std::string>(ctx->unaryExp()->accept(this));
-        sysy::Value* irOperand = irTmpTable[operand];
-        std::string op = ctx->unaryOp()->getText();
-        std::string temp = getNextTemp();
-        std::string type = tmpTable[operand];
-        sysy::Type* irType = getIRType(type == "i32" ? "int" : "float");
-        tmpTable[temp] = type;
-
-        // 文本 IR
-        if (op == "-") {
-            irStream << "  " << temp << " = sub " << type << " 0, " << operand << "\n";
-        } else if (op == "!") {
-            irStream << "  " << temp << " = xor " << type << " " << operand << ", 1\n";
-        }
-
-        // SysY IR
-        sysy::IRBuilder builder(currentIRBlock);
-        sysy::Instruction::Kind kind = (op == "-") ? (type == "i32" ? sysy::Instruction::kNeg : sysy::Instruction::kFNeg)
-                                                  : sysy::Instruction::kNot;
-        auto unaryInst = builder.createUnaryInst(kind, irType, irOperand, temp);
-        irTmpTable[temp] = unaryInst;
-        return temp;
-    }
-    return ctx->unaryExp()->accept(this);
-}
-
 std::any LLVMIRGenerator::visitMulExp(SysYParser::MulExpContext* ctx) {
     auto unaryExps = ctx->unaryExp();
     std::string left = std::any_cast<std::string>(unaryExps[0]->accept(this));