Initial commit from sysy-main

src/ASTPrinter.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "SysYBaseVisitor.h"
+#include "SysYParser.h"
+#include <iostream>
+#include <string>
+
+class ASTPrinter : public SysYBaseVisitor {
+private:
+    int indentLevel = 0;
+
+    std::string getIndent() {
+        return std::string(indentLevel * 4, ' ');
+    }
+
+public:
+    std::any visitModule(SysYParser::ModuleContext *ctx) override;
+
+    std::any visitConstDecl(SysYParser::ConstDeclContext *ctx) override;
+    std::any visitVarDecl(SysYParser::VarDeclContext *ctx) override;
+    std::any visitVarDef(SysYParser::VarDefContext *ctx) override;
+    std::any visitConstDef(SysYParser::ConstDefContext *ctx) override; // 新增
+    std::any visitFuncDef(SysYParser::FuncDefContext *ctx) override;
+
+    std::any visitFuncFParams(SysYParser::FuncFParamsContext *ctx) override;
+    std::any visitFuncFParam(SysYParser::FuncFParamContext *ctx) override;
+    std::any visitFuncRParams(SysYParser::FuncRParamsContext *ctx) override;
+
+    std::any visitExpAsRParam(SysYParser::ExpAsRParamContext *ctx) override;
+    std::any visitStringAsRParam(SysYParser::StringAsRParamContext *ctx) override;
+    std::any visitExpsAsRParam(SysYParser::ExpsAsRParamContext *ctx) override;
+
+    std::any visitExp(SysYParser::ExpContext *ctx) override;
+    std::any visitCond(SysYParser::CondContext *ctx) override;
+    std::any visitLVal(SysYParser::LValContext *ctx) override;
+    std::any visitAddExp(SysYParser::AddExpContext *ctx) override;
+    std::any visitMulExp(SysYParser::MulExpContext *ctx) override;
+    std::any visitUnaryExp(SysYParser::UnaryExpContext *ctx) override;
+
+    std::any visitNumber(SysYParser::NumberContext *ctx) override;
+    std::any visitString(SysYParser::StringContext *ctx) override;
+
+    std::any visitStmt(SysYParser::StmtContext *ctx) override;
+    std::any visitBlock(SysYParser::BlockContext *ctx) override;
+    // std::any ASTPrinter::visitLorExp(SysYParser::LorExpContext *ctx) override;
+};