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merging, fixed some bugs

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This commit is contained in:
Lixuanwang
2025-05-30 01:34:47 +08:00
parent 551d727733
commit 77f79dcbaf
1 changed files with 15 additions and 19 deletions
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34
src/LLVMIRGenerator.cpp
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@ -219,13 +219,9 @@ std::any LLVMIRGenerator::visitBlockStmt(SysYParser::BlockStmtContext* ctx) {
}
std::any LLVMIRGenerator::visitAssignStmt(SysYParser::AssignStmtContext *ctx)
{
irStream << "|||Start ";
std::string lhsAlloca = std::any_cast<std::string>(ctx->lValue()->accept(this));
irStream << "End||| \n";
std::string lhsType = symbolTable[ctx->lValue()->Ident()->getText()].second;
irStream << "[[[Start ";
std::string rhs = std::any_cast<std::string>(ctx->exp()->accept(this));
irStream << "End]]] \n";
if (lhsType == "float") {
try {
@ -422,18 +418,10 @@ std::any LLVMIRGenerator::visitLValue(SysYParser::LValueContext* ctx) {
std::any LLVMIRGenerator::visitPrimExp(SysYParser::PrimExpContext *ctx){
std::cout << "Type name: " << typeid(*ctx).name() << std::endl;
irStream << " PrimExp ";
if (auto *lvalCtx = dynamic_cast<SysYParser::LValContext*>(ctx)) {
// 是 LValContext，可以安全地调用 lValue()
return visit(lvalCtx->lValue());
}
return visitChildren(ctx);
}
std::any LLVMIRGenerator::visitPrimaryExp(SysYParser::PrimaryExpContext* ctx) {
irStream << " Primaryexp \n";
if (auto *lvalCtx = dynamic_cast<SysYParser::LValContext*>(ctx)) {
// irStream << "visitPrimExp\n";
// std::cout << "Type name: " << typeid(*(ctx->primaryExp())).name() << std::endl;
SysYParser::PrimaryExpContext* pExpCtx = ctx->primaryExp();
if (auto* lvalCtx = dynamic_cast<SysYParser::LValContext*>(pExpCtx)) {
std::string allocaPtr = std::any_cast<std::string>(lvalCtx->lValue()->accept(this));
std::string varName = lvalCtx->lValue()->Ident()->getText();
std::string type = symbolTable[varName].second;
@ -441,11 +429,19 @@ std::any LLVMIRGenerator::visitPrimaryExp(SysYParser::PrimaryExpContext* ctx) {
irStream << " " << temp << " = load " << type << ", " << type << "* " << allocaPtr << ", align 4\n";
tmpTable[temp] = type;
return temp;
} else if (auto *numCtx = dynamic_cast<SysYParser::NumContext*>(ctx)) {
return numCtx->number()->accept(this);
} else if (auto *strCtx = dynamic_cast<SysYParser::StrContext*>(ctx)) {
} else if (auto* expCtx = dynamic_cast<SysYParser::ParenExpContext*>(pExpCtx)) {
return expCtx->exp()->accept(this);
} else if (auto* strCtx = dynamic_cast<SysYParser::StrContext*>(pExpCtx)) {
return strCtx->string()->accept(this);
} 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.");
}
// return visitChildren(ctx);
}
std::any LLVMIRGenerator::visitParenExp(SysYParser::ParenExpContext* ctx) {