MalachScript/src/Parser/Statements/ParsedStatement.hpp

#ifndef MALACHSCRIPT_PARSEDSTATEMENT_HPP
#define MALACHSCRIPT_PARSEDSTATEMENT_HPP

#include <memory>
#include <sstream>
#include <stack>
#include <utility>
#include <vector>
#include "../../CoreData/AccessModifier.hpp"
#include "../../CoreData/ClassAttr.hpp"
#include "../../CoreData/FuncAttr.hpp"
#include "../../CoreData/Identifier.hpp"
#include "../../CoreData/TypeMod.hpp"
#include "../../TextSpan.hpp"
#include "ParsedStatementKind.hpp"
namespace MalachScript::Parser {
    class ParsedStatement {
        ScriptTextSpan _span;

    public:
        ParsedStatement(ScriptTextSpan span) : _span(span) {}
        virtual ~ParsedStatement() = default;
        [[nodiscard]] virtual ParsedStatementKind GetKind() const noexcept = 0;
        [[nodiscard]] inline const ScriptTextSpan& GetSpan() const noexcept { return _span; }
    };

    template <ParsedStatementKind kind> class ParsedStatementImpl : public ParsedStatement {
    public:
        ParsedStatementImpl(ScriptTextSpan span) : ParsedStatement(span) {}
        [[nodiscard]] inline ParsedStatementKind GetKind() const noexcept final { return kind; }
    };

    class ParsedScriptStatement : public ParsedStatementImpl<ParsedStatementKind::Script> {
        std::vector<std::unique_ptr<const ParsedStatement>> _statements;

    public:
        ParsedScriptStatement(ScriptTextSpan span, const std::vector<const ParsedStatement*>& statements)
            : ParsedStatementImpl<ParsedStatementKind::Script>(span), _statements(statements.size()) {
            for (size_t i = 0; i < statements.size(); i++)
                _statements[i] = std::unique_ptr<const ParsedStatement>(statements[i]);
        }

        [[nodiscard]] inline const std::vector<std::unique_ptr<const ParsedStatement>>& GetStatements() const noexcept {
            return _statements;
        }
    };

    class ParsedClassStatement : public ParsedStatementImpl<ParsedStatementKind::Class> {
    public:
        ParsedClassStatement(ScriptTextSpan span, ClassAttr classAttr, Identifier identifier,
                             const std::vector<Identifier>& inherits, const std::vector<const ParsedStatement*>& body)
            : ParsedStatementImpl<ParsedStatementKind::Class>(span), _classAttr(classAttr), _identifier(identifier),
              _inherits(inherits), _body(body.size()) {
            for (size_t i = 0; i < body.size(); i++) {
                _body[i] = std::unique_ptr<const ParsedStatement>(body[i]);
            }
        }

        [[nodiscard]] ClassAttr GetClassAttr() const noexcept { return _classAttr; }
        [[nodiscard]] const Identifier& GetIdentifier() const noexcept { return _identifier; }
        [[nodiscard]] const std::vector<Identifier>& GetInherits() const noexcept { return _inherits; }
        [[nodiscard]] const std::vector<std::unique_ptr<const ParsedStatement>>& GetBody() const noexcept {
            return _body;
        }

    private:
        ClassAttr _classAttr;
        Identifier _identifier;
        std::vector<Identifier> _inherits;
        std::vector<std::unique_ptr<const ParsedStatement>> _body;
    };

    class ParsedTypeDefStatement : public ParsedStatementImpl<ParsedStatementKind::TypeDef> {
        Identifier _defineFrom;
        Identifier _defineTo;

    public:
        ParsedTypeDefStatement(ScriptTextSpan span, const Identifier& defineFrom, const Identifier& defineTo)
            : ParsedStatementImpl<ParsedStatementKind::TypeDef>(span), _defineFrom(defineFrom), _defineTo(defineTo) {}

        [[nodiscard]] inline const Identifier& GetDefineFrom() const noexcept { return _defineFrom; }
        [[nodiscard]] inline const Identifier& GetDefineTo() const noexcept { return _defineTo; }
    };

    class ParsedNamespaceStatement : public ParsedStatementImpl<ParsedStatementKind::Namespace> {
        Identifier _identifier;
        std::unique_ptr<const ParsedStatement> _parsedScript;

    public:
        ParsedNamespaceStatement(ScriptTextSpan span, const Identifier& identifier, const ParsedScriptStatement* script)
            : ParsedStatementImpl<ParsedStatementKind::Namespace>(span), _identifier(identifier),
              _parsedScript(script) {}

        [[nodiscard]] inline const Identifier& GetIdentifier() const noexcept { return _identifier; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetScript() const noexcept {
            return _parsedScript;
        }
    };

    class ParsedTypeStatement : public ParsedStatementImpl<ParsedStatementKind::Type> {
        bool _isConst;
        bool _isArray;
        bool _isHandle;
        ScopedIdentifier _scopedIdentifier;

    public:
        ParsedTypeStatement(ScriptTextSpan span, bool isConst, bool isArray, bool isHandle,
                            const ScopedIdentifier& scopedIdentifier)
            : ParsedStatementImpl<ParsedStatementKind::Type>(span), _isConst(isConst), _isArray(isArray),
              _isHandle(isHandle), _scopedIdentifier(scopedIdentifier) {}

        [[nodiscard]] inline bool IsConst() const noexcept { return _isConst; }
        [[nodiscard]] inline bool IsArray() const noexcept { return _isArray; }
        [[nodiscard]] inline bool IsHandle() const noexcept { return _isHandle; }
        [[nodiscard]] inline const ScopedIdentifier& GetScopedIdentifier() const noexcept { return _scopedIdentifier; }
    };

    class ParsedParamListStatement : public ParsedStatementImpl<ParsedStatementKind::ParamList> {
    public:
        class ParsedParameter {
        private:
            std::unique_ptr<const ParsedTypeStatement> _typeStatement = nullptr;
            TypeMod _typeMod = TypeMod::None;
            Identifier _identifier;
            std::unique_ptr<const ParsedStatement> _defaultExpression = nullptr;

        public:
            ParsedParameter(const ParsedTypeStatement* typeStatement, TypeMod typeMod, const Identifier& identifier,
                            const ParsedStatement* defaultExpression)
                : _typeStatement(typeStatement), _typeMod(typeMod), _identifier(identifier),
                  _defaultExpression(defaultExpression){};

            [[nodiscard]] std::unique_ptr<const ParsedTypeStatement>& GetTypeStatement() noexcept {
                return _typeStatement;
            }
            [[nodiscard]] const std::unique_ptr<const ParsedTypeStatement>& GetTypeStatement() const noexcept {
                return _typeStatement;
            }

            [[nodiscard]] TypeMod& GetTypeMod() noexcept { return _typeMod; }
            [[nodiscard]] const TypeMod& GetTypeMod() const noexcept { return _typeMod; }

            [[nodiscard]] Identifier& GetIdentifier() noexcept { return _identifier; }
            [[nodiscard]] const Identifier& GetIdentifier() const noexcept { return _identifier; }

            [[nodiscard]] std::unique_ptr<const ParsedStatement>& GetDefaultExpression() noexcept {
                return _defaultExpression;
            }
            [[nodiscard]] const std::unique_ptr<const ParsedStatement>& GetDefaultExpression() const noexcept {
                return _defaultExpression;
            }
        };

    private:
        std::vector<std::unique_ptr<const ParsedParameter>> _parameters;

    public:
        ParsedParamListStatement(ScriptTextSpan span, const std::vector<const ParsedParameter*>& parameters)
            : ParsedStatementImpl<ParsedStatementKind::ParamList>(span), _parameters(parameters.size()) {
            for (size_t i = 0; i < parameters.size(); i++) {
                _parameters[i] = std::unique_ptr<const ParsedParameter>(parameters[i]);
            }
        };

        [[nodiscard]] const std::vector<std::unique_ptr<const ParsedParameter>>& GetParameters() const noexcept {
            return _parameters;
        }
    };

    class ParsedFuncStatement : public ParsedStatementImpl<ParsedStatementKind::Func> {
    private:
        bool _isShared;
        bool _isExternal;
        AccessModifier _access;
        std::unique_ptr<const ParsedStatement> _type;
        bool _returnsReference;
        Identifier _identifier;
        std::unique_ptr<const ParsedStatement> _paramList;
        bool _isConst;
        FuncAttr _funcAttr;
        std::unique_ptr<const ParsedStatement> _statBlock;

    public:
        ParsedFuncStatement(const ScriptTextSpan& span, bool isShared, bool isExternal, AccessModifier access,
                            const ParsedStatement* type, bool returnsReference, const Identifier& identifier,
                            const ParsedStatement* paramList, bool isConst, FuncAttr funcAttr,
                            const ParsedStatement* statBlock)
            : ParsedStatementImpl<ParsedStatementKind::Func>(span), _isShared(isShared), _isExternal(isExternal),
              _access(access), _type(type), _returnsReference(returnsReference), _identifier(identifier),
              _paramList(paramList), _isConst(isConst), _funcAttr(funcAttr), _statBlock(statBlock) {}

        [[nodiscard]] inline bool IsShared() const noexcept { return _isShared; }
        [[nodiscard]] inline bool IsExternal() const noexcept { return _isExternal; }
        [[nodiscard]] inline AccessModifier GetAccess() const noexcept { return _access; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetTypeStatement() const noexcept {
            return _type;
        }
        [[nodiscard]] inline bool ReturnsReference() const noexcept { return _returnsReference; }
        [[nodiscard]] inline const Identifier& GetIdentifier() const noexcept { return _identifier; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetParamList() const noexcept {
            return _paramList;
        }
        [[nodiscard]] inline bool IsConst() const noexcept { return _isConst; }
        [[nodiscard]] inline FuncAttr GetFuncAttr() const noexcept { return _funcAttr; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetStatBlock() const noexcept {
            return _statBlock;
        }
    };

    class ParsedVirtPropStatement : public ParsedStatementImpl<ParsedStatementKind::VirtProp> {
    public:
        ParsedVirtPropStatement(const ScriptTextSpan& span, AccessModifier access, const ParsedStatement* returnType,
                                bool isReturnTypeRef, Identifier identifier, bool hasGet, bool getConst,
                                FuncAttr getAttr, const ParsedStatement* getStatement, bool hasSet, bool setConst,
                                FuncAttr setAttr, const ParsedStatement* setStatement)
            : ParsedStatementImpl(span), _access(access), _returnType(returnType), _isReturnTypeRef(isReturnTypeRef),
              _identifier(identifier), _hasGet(hasGet), _getConst(getConst), _getAttr(getAttr),
              _getStatement(getStatement), _hasSet(hasSet), _setConst(setConst), _setAttr(setAttr),
              _setStatement(setStatement) {}

        [[nodiscard]] inline AccessModifier GetAccess() const noexcept { return _access; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetReturnType() const noexcept {
            return _returnType;
        }
        [[nodiscard]] inline bool IsReturnTypeRef() const noexcept { return _isReturnTypeRef; }
        [[nodiscard]] inline const Identifier& GetIdentifier() const noexcept { return _identifier; }

        [[nodiscard]] inline bool HasGet() const noexcept { return _hasGet; }
        [[nodiscard]] inline bool IsGetConst() const noexcept { return _getConst; }
        [[nodiscard]] inline FuncAttr GetGetFuncAttr() const noexcept { return _getAttr; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetGetStatement() const noexcept {
            return _getStatement;
        }

        [[nodiscard]] inline bool HasSet() const noexcept { return _hasSet; }
        [[nodiscard]] inline bool IsSetConst() const noexcept { return _setConst; }
        [[nodiscard]] inline FuncAttr GetSetFuncAttr() const noexcept { return _setAttr; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetSetStatement() const noexcept {
            return _setStatement;
        }

    private:
        AccessModifier _access;
        std::unique_ptr<const ParsedStatement> _returnType;
        bool _isReturnTypeRef;
        Identifier _identifier;

        bool _hasGet = false;
        bool _getConst = false;
        FuncAttr _getAttr = FuncAttr::None;
        std::unique_ptr<const ParsedStatement> _getStatement;
        bool _hasSet = false;
        bool _setConst = false;
        FuncAttr _setAttr = FuncAttr::None;
        std::unique_ptr<const ParsedStatement> _setStatement;
    };

    class ParsedStatBlockStatement : public ParsedStatementImpl<ParsedStatementKind::StatBlock> {
    public:
        ParsedStatBlockStatement(const ScriptTextSpan& span, const std::vector<const ParsedStatement*>& statements)
            : ParsedStatementImpl(span), _statements(statements.size()) {
            for (size_t i = 0; i < statements.size(); i++) {
                _statements[i] = std::unique_ptr<const ParsedStatement>(statements[i]);
            }
        }

        [[nodiscard]] const std::vector<std::unique_ptr<const ParsedStatement>>& GetStatements() const noexcept {
            return _statements;
        }

    private:
        std::vector<std::unique_ptr<const ParsedStatement>> _statements;
    };

    class ParsedVarStatement : public ParsedStatementImpl<ParsedStatementKind::Var> {
    public:
        ParsedVarStatement(const ScriptTextSpan& span, AccessModifier access, const ParsedTypeStatement* typeStatement,
                           Identifier identifier)
            : ParsedStatementImpl(span), _access(access), _typeStatement(typeStatement), _identifier(identifier) {}

        [[nodiscard]] AccessModifier GetAccess() const noexcept { return _access; }
        [[nodiscard]] const std::unique_ptr<const ParsedTypeStatement>& GetTypeStatement() const noexcept {
            return _typeStatement;
        }
        [[nodiscard]] const Identifier& GetIdentifier() const noexcept { return _identifier; }

    private:
        AccessModifier _access;
        std::unique_ptr<const ParsedTypeStatement> _typeStatement;
        Identifier _identifier;
    };

    class ParsedIfStatement : public ParsedStatementImpl<ParsedStatementKind::If> {
    public:
        ParsedIfStatement(const ScriptTextSpan& span, const ParsedStatement* condition, const ParsedStatement* body,
                          const ParsedStatement* elseStatement)
            : ParsedStatementImpl(span), _condition(condition), _body(body), _elseStatement(elseStatement) {}

        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetCondition() const noexcept {
            return _condition;
        }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetBody() const noexcept { return _body; }
        [[nodiscard]] inline const std::unique_ptr<const ParsedStatement>& GetElseStatement() const noexcept {
            return _elseStatement;
        }

    private:
        std::unique_ptr<const ParsedStatement> _condition;
        std::unique_ptr<const ParsedStatement> _body;
        std::unique_ptr<const ParsedStatement> _elseStatement;
    };

    template <class TOperator>
    class ParsedBinaryStatement : public ParsedStatementImpl<ParsedStatementKind::BinaryExpression> {
    public:
        ParsedBinaryStatement(const ScriptTextSpan& span, const ParsedStatement* leftHand, TOperator op,
                              const ParsedStatement* rightHand)
            : ParsedStatementImpl(span), _leftHand(leftHand), _operator(op), _rightHand(rightHand) {}

        [[nodiscard]] inline size_t GetOperatorType() const noexcept { return typeid(TOperator).hash_code(); }

    private:
        std::unique_ptr<const ParsedStatement> _leftHand;
        TOperator _operator;
        std::unique_ptr<const ParsedStatement> _rightHand;
    };

    class ParsedVoidStatement : public ParsedStatementImpl<ParsedStatementKind::Void> {
    public:
        ParsedVoidStatement(const ScriptTextSpan& span) : ParsedStatementImpl(span) {}
    };

    template <class T> class ParsedLiteralStatement : public ParsedStatementImpl<ParsedStatementKind::Literal> {
    public:
        ParsedLiteralStatement(const ScriptTextSpan& span, T literalValue)
            : ParsedStatementImpl(span), _literalValue(literalValue) {}

        [[nodiscard]] inline const T& GetLiteralValue() const noexcept { return _literalValue; }

    private:
        T _literalValue;
    };

    class ParsedReturnStatement : public ParsedStatementImpl<ParsedStatementKind::Return> {
    public:
        ParsedReturnStatement(const ScriptTextSpan& span, const ParsedStatement* statement)
            : ParsedStatementImpl(span), _statement(statement) {}

    private:
        std::unique_ptr<const ParsedStatement> _statement;
    };

    class ParsedVarAccessStatement : public ParsedStatementImpl<ParsedStatementKind::VarAccess> {
    public:
        ParsedVarAccessStatement(const ScriptTextSpan& span, std::vector<Identifier> scope)
            : ParsedStatementImpl(span), _scope(std::move(scope)) {}

    private:
        std::vector<Identifier> _scope;
    };

    class ParsedIncrementStatement : public ParsedStatementImpl<ParsedStatementKind::Increment> {
    public:
        ParsedIncrementStatement(const ScriptTextSpan& span, const ParsedStatement* statement)
            : ParsedStatementImpl(span), _statement(statement) {}

    private:
        std::unique_ptr<const ParsedStatement> _statement;
    };

    class ParsedDecrementStatement : public ParsedStatementImpl<ParsedStatementKind::Decrement> {
    public:
        ParsedDecrementStatement(const ScriptTextSpan& span, const ParsedStatement* statement)
            : ParsedStatementImpl(span), _statement(statement) {}

    private:
        std::unique_ptr<const ParsedStatement> _statement;
    };

    class ParsedContinueStatement : public ParsedStatementImpl<ParsedStatementKind::Continue> {
    public:
        ParsedContinueStatement(const ScriptTextSpan& span) : ParsedStatementImpl(span) {}
    };

    class ParsedBreakStatement : public ParsedStatementImpl<ParsedStatementKind::Break> {
    public:
        ParsedBreakStatement(const ScriptTextSpan& span) : ParsedStatementImpl(span) {}
    };

    class ParsedForStatement : public ParsedStatementImpl<ParsedStatementKind::For> {
    public:
        ParsedForStatement(const ScriptTextSpan& span, const ParsedStatement* init, const ParsedStatement* condition,
                           std::vector<const ParsedStatement*> increment, const ParsedStatement* body)
            : ParsedStatementImpl(span), _init(init), _condition(condition), _increment(increment.size()), _body(body) {
            for (size_t i = 0; i < increment.size(); i++) {
                _increment[i] = std::unique_ptr<const ParsedStatement>(increment[i]);
            }
        }

        inline const std::unique_ptr<const ParsedStatement>& GetInit() const noexcept { return _init; }
        inline const std::unique_ptr<const ParsedStatement>& GetCondition() const noexcept { return _condition; }
        inline const std::vector<std::unique_ptr<const ParsedStatement>>& GetIncrement() const noexcept {
            return _increment;
        }
        inline const std::unique_ptr<const ParsedStatement>& GetBody() const noexcept { return _body; }

    private:
        std::unique_ptr<const ParsedStatement> _init;
        std::unique_ptr<const ParsedStatement> _condition;
        std::vector<std::unique_ptr<const ParsedStatement>> _increment;
        std::unique_ptr<const ParsedStatement> _body;
    };

    class ParsedWhileStatement : public ParsedStatementImpl<ParsedStatementKind::While> {
    public:
        ParsedWhileStatement(const ScriptTextSpan& span, const ParsedStatement* condition, const ParsedStatement* body)
            : ParsedStatementImpl(span), _condition(condition), _body(body) {}

    private:
        std::unique_ptr<const ParsedStatement> _condition;
        std::unique_ptr<const ParsedStatement> _body;
    };

    class ParsedDoWhileStatement : public ParsedStatementImpl<ParsedStatementKind::DoWhile> {
    public:
        ParsedDoWhileStatement(const ScriptTextSpan& span, const ParsedStatement* condition,
                               const ParsedStatement* body)
            : ParsedStatementImpl(span), _condition(condition), _body(body) {}

    private:
        std::unique_ptr<const ParsedStatement> _condition;
        std::unique_ptr<const ParsedStatement> _body;
    };

    class ParsedTryStatement : public ParsedStatementImpl<ParsedStatementKind::Try> {
    public:
        ParsedTryStatement(const ScriptTextSpan& span, const ParsedStatement* tryStatement,
                           const ParsedStatement* catchStatement)
            : ParsedStatementImpl(span), _tryStatement(tryStatement), _catchStatement(catchStatement) {}

    private:
        std::unique_ptr<const ParsedStatement> _tryStatement;
        std::unique_ptr<const ParsedStatement> _catchStatement;
    };

    class ParsedSwitchStatement : public ParsedStatementImpl<ParsedStatementKind::Switch> {
    public:
        ParsedSwitchStatement(const ScriptTextSpan& span, const ParsedStatement* expression,
                              const std::vector<const ParsedStatement*>& cases)
            : ParsedStatementImpl(span), _expression(expression), _cases(cases.size()) {
            for (size_t i = 0; i < cases.size(); i++) {
                _cases[i] = std::unique_ptr<const ParsedStatement>(cases[i]);
            }
        }

    private:
        std::unique_ptr<const ParsedStatement> _expression;
        std::vector<std::unique_ptr<const ParsedStatement>> _cases;
    };

    class ParsedCaseStatement : public ParsedStatementImpl<ParsedStatementKind::Case> {
    public:
        ParsedCaseStatement(const ScriptTextSpan& span, const ParsedStatement* expression,
                            const std::vector<const ParsedStatement*>& statements)
            : ParsedStatementImpl(span), _expression(expression), _statements(statements.size()) {
            for (size_t i = 0; i < statements.size(); i++) {
                _statements[i] = std::unique_ptr<const ParsedStatement>(statements[i]);
            }
        }

    private:
        std::unique_ptr<const ParsedStatement> _expression;
        std::vector<std::unique_ptr<const ParsedStatement>> _statements;
    };
}

#endif // MALACHSCRIPT_PARSEDSTATEMENT_HPP