dlang-sqlite inital

dlang.sqlite/dlang/parser/expressions.hpp

@@ -0,0 +1,172 @@
+#ifndef DLANG_EXPRESSIONS_HPP
+#define DLANG_EXPRESSIONS_HPP
+
+#include <string>
+#include <iostream>
+
+#include "../types/include.hpp"
+
+struct Expression {
+	virtual ~Expression() = default;
+	virtual void Print(int indent = 0) const = 0;
+};
+
+struct NumberExpression : Expression {
+	double value;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "Number: " << value << '\n';
+	}
+};
+
+struct BooleanExpression : Expression {
+	bool value;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "Boolean: " << (value ? "true" : "false") << '\n';
+	}
+};
+
+struct StringExpression : Expression {
+	std::string value;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "string: " << value << '\n';
+	}
+};
+
+struct IdentifierExpression : Expression {
+	std::string name;
+	std::string keyName;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "Identifier: " << name << '\n';
+	}
+};
+
+struct BinaryExpression : Expression {
+	std::unique_ptr<Expression> left;
+	std::string op;
+	std::unique_ptr<Expression> right;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "Binary: " << op << '\n';
+
+		left->Print(indent + 2);
+		right->Print(indent + 2);
+	}
+};
+
+struct CallExpression : Expression
+{
+	std::unique_ptr<Expression> callee;
+	std::vector< std::unique_ptr<Expression>> expressions;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ') << " Call" << "\n";
+		callee->Print(indent + 2);
+		for (const auto& expr : expressions)
+			expr->Print(indent + 2);
+	}
+};
+
+struct TableLiteralExpression : Expression
+{
+	std::vector<std::pair<std::string, std::unique_ptr<Expression>>> fields;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "TableLiteral {\n";
+
+		for (const auto& [key, expr] : fields)
+		{
+			std::cout << std::string(indent + 2, ' ')
+				<< key << ":\n";
+			if (expr)
+			{
+				expr->Print(indent + 4);
+			}
+		}
+
+		std::cout << std::string(indent, ' ')
+			<< "}\n";
+	}
+};
+
+struct ListLiteralExpression : Expression
+{
+	std::vector<std::unique_ptr<Expression>> fields;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "TableLiteral {\n";
+
+		for (const auto& val : fields)
+			val->Print(indent + 2);
+
+		std::cout << std::string(indent, ' ')
+			<< "}\n";
+	}
+};
+
+struct MemberAccessExpression : Expression
+{
+	std::unique_ptr<Expression> object;
+	std::string memberName;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "MemberAccess: ." << memberName << '\n';
+
+		if (object)
+		{
+			object->Print(indent + 2);
+		}
+	}
+};
+
+struct IndexAccessExpression : Expression
+{
+	std::unique_ptr<Expression> object;
+	std::unique_ptr<Expression> memberIndex;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "IndexAccess: ." << '\n';
+
+		memberIndex->Print(indent);
+
+		if (object)
+		{
+			object->Print(indent + 2);
+		}
+	}
+};
+
+struct SizeExpression : Expression
+{
+	std::string identifier;
+
+	void Print(int indent = 0) const override
+	{
+		std::cout << std::string(indent, ' ')
+			<< "Identifier: " << identifier << '\n';
+	}
+};
+
+#endif