ready to merge docs

include/ast/expr_astnode.h

@@ -14,112 +14,147 @@ class Expr_ASTNode : public ASTNodeBase {
 
 class BasicExpr_ASTNode : public Expr_ASTNode {};  // This is a virtual class
 class NewArrayExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   bool has_initial_value;
   std::shared_ptr<class ConstantExpr_ASTNode> initial_value;
 };
-class NewConstructExpr_ASTNode : public Expr_ASTNode {};
-class NewExpr_ASTNode : public Expr_ASTNode {};
+class NewConstructExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
+};
+class NewExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
+};
 class AccessExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> base;
   IdentifierType member;
 };
-class MemberVariableAccessExpr_ASTNode : public AccessExpr_ASTNode {};
+class MemberVariableAccessExpr_ASTNode : public AccessExpr_ASTNode {
+  friend Visitor;
+};
 class MemberFunctionAccessExpr_ASTNode : public AccessExpr_ASTNode {
+  friend Visitor;
   std::vector<std::shared_ptr<Expr_ASTNode>> arguments;
 };
 class IndexExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> base;
   std::vector<std::shared_ptr<Expr_ASTNode>> indices;
 };
 class SuffixExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> base;
 };
 class PrefixExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> base;
 };
 class OppositeExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> base;
 };
 class LNotExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class BNotExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class MDMExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class PMExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class RLExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class GGLLExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class NEExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class BAndExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class BXorExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class BOrExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class LAndExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class LOrExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> left;
   std::shared_ptr<Expr_ASTNode> right;
 };
 class TernaryExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> condition;
   std::shared_ptr<Expr_ASTNode> src1;
   std::shared_ptr<Expr_ASTNode> src2;
 };
 class AssignExpr_ASTNode : public Expr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> dest;
   std::shared_ptr<Expr_ASTNode> src;
 };
 
-class ThisExpr_ASTNode : public BasicExpr_ASTNode {};
+class ThisExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
+};
 class ParenExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
   std::shared_ptr<Expr_ASTNode> expr;
 };
 class IDExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
   IdentifierType id;
 };
 class FunctionCallExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
   IdentifierType func_name;
   std::vector<std::shared_ptr<Expr_ASTNode>> arguments;
 };
 class FormattedStringExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
   using SegmentType = std::variant<std::string, std::shared_ptr<Expr_ASTNode>>;
   std::vector<SegmentType> segments;
 };
 struct NullType {};
 using AtomicConstantType = std::variant<uint32_t, bool, std::string, NullType>;
 struct ArrayConstantType {
+  friend Visitor;
   std::vector<std::variant<std::shared_ptr<ArrayConstantType>, NullType, AtomicConstantType>> elements;
   size_t level;
 };
 class ConstantExpr_ASTNode : public BasicExpr_ASTNode {
+  friend Visitor;
   std::variant<AtomicConstantType, ArrayConstantType> value;
 };