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#pragma once
#include "CommonTypes.h"
#include "Lexer.h"
#include "ExpressionVisitor.h"
class Expression : public IPLEnableShared<Expression>
{
public:
virtual ~Expression() {}
virtual void Accept(ExpressionVisitor& v) = 0;
};
#define EXPAND_ARGUMENT(type, name, def)\
type name = def,
#define EXPAND_INITIALIZER_LIST(type, name, def)\
m_##name(name),
#define GENERATE_GETTERS(type, name, def)\
const type& Get##name() const { return m_##name; }\
type& Get##name##ByRef() { return m_##name; }
#define GENERATE_MEMBER_DEFINITIONS(type, name, def)\
type m_##name;
#define GENERATE_EXPRESSION(ClassName, Base, MEMBERS_ITERATOR) \
class ClassName : public Base \
{ \
public: \
ClassName(MEMBERS_ITERATOR(EXPAND_ARGUMENT) bool __dummy = 0) \
: \
MEMBERS_ITERATOR(EXPAND_INITIALIZER_LIST) m_dummy(__dummy) {} \
virtual ~ClassName() {} \
virtual void Accept(ExpressionVisitor& v) override { v.Visit(this); } \
\
MEMBERS_ITERATOR(GENERATE_GETTERS) \
private: \
MEMBERS_ITERATOR(GENERATE_MEMBER_DEFINITIONS) \
bool m_dummy; \
};
#define NO_MEMBERS(MACRO)
#define LITERAL_BOOLEAN_MEMBERS(MACRO)\
MACRO(bool, Value, false)
#define LITERAL_NUMBER_MEMBERS(MACRO)\
MACRO(double, Value, 0.0)
#define LITERAL_STRING_MEMBERS(MACRO)\
MACRO(IPLString, Value, "")
#define BINARY_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Left, nullptr)\
MACRO(ExpressionPtr, Right, nullptr)\
MACRO(TokenType, Operator, TokenType::Invalid)
#define UNARY_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLSharedPtr<Expression>, Expr, nullptr)\
MACRO(TokenType, Operator, TokenType::Invalid)\
MACRO(bool, Suffix, false)
#define LITERAL_EXPRESSION_MEMBERS(MACRO)\
MACRO(double, NumValue, 0.)\
MACRO(IPLString, StringValue, "")\
MACRO(bool, BooleanValue, false)\
MACRO(LiteralType, Type, LiteralType::Undefined)
#define IDENTIFIER_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLString, Name, "")
#define VARIABLEDEFINITION_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLString, Name, "")\
MACRO(ExpressionPtr, Value, nullptr)
#define LIST_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLVector<ExpressionPtr>, Values, IPLVector<ExpressionPtr>())
#define BLOCK_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLVector<ExpressionPtr>, Values, IPLVector<ExpressionPtr>())
#define LABELED_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLString, Identifier, "")\
MACRO(ExpressionPtr, Statement, nullptr)
#define IF_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Condition, nullptr)\
MACRO(ExpressionPtr, IfStatement, nullptr)\
MACRO(ExpressionPtr, ElseStatement, nullptr)
#define CASE_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Condition, nullptr)\
MACRO(ExpressionPtr, Body, nullptr)
#define SWITCH_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Condition, nullptr)\
MACRO(IPLVector<ExpressionPtr>, Cases, IPLVector<ExpressionPtr>())\
MACRO(ExpressionPtr, DefaultCase, nullptr)
#define WHILE_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Condition, nullptr)\
MACRO(ExpressionPtr, Body, nullptr)\
MACRO(bool, DoWhile, false)
#define FOR_EXPRESSION_MEMBERS(MACRO)\
MACRO(ExpressionPtr, Initialization, nullptr)\
MACRO(ExpressionPtr, Condition, nullptr)\
MACRO(ExpressionPtr, Iteration, nullptr)\
MACRO(ExpressionPtr, Body, nullptr)
#define FUNCTION_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLString, Name, "")\
MACRO(IPLVector<IPLString>, ArgumentsIdentifiers, IPLVector<IPLString>())\
MACRO(ExpressionPtr, Body, nullptr)
#define TOP_EXPRESSION_MEMBERS(MACRO)\
MACRO(IPLVector<ExpressionPtr>, Values, IPLVector<ExpressionPtr>())
#define EMPTY_EXPRESSION_MEMBERS(MACRO)
#define EXPRESSION_DEFINITION_ITERATOR(MACRO)\
MACRO(LiteralNull, Expression, NO_MEMBERS)\
MACRO(LiteralUndefined, Expression, NO_MEMBERS)\
MACRO(LiteralBoolean, Expression, LITERAL_BOOLEAN_MEMBERS)\
MACRO(LiteralNumber, Expression, LITERAL_NUMBER_MEMBERS)\
MACRO(LiteralString, Expression, LITERAL_STRING_MEMBERS)\
MACRO(BinaryExpression, Expression, BINARY_EXPRESSION_MEMBERS)\
MACRO(UnaryExpression, Expression, UNARY_EXPRESSION_MEMBERS)\
MACRO(IdentifierExpression, Expression, IDENTIFIER_EXPRESSION_MEMBERS)\
MACRO(VariableDefinitionExpression, Expression, VARIABLEDEFINITION_EXPRESSION_MEMBERS)\
MACRO(ListExpression, Expression, LIST_EXPRESSION_MEMBERS)\
MACRO(BlockStatement, Expression, BLOCK_EXPRESSION_MEMBERS)\
MACRO(LabeledStatement, Expression, LABELED_EXPRESSION_MEMBERS)\
MACRO(IfStatement, Expression, IF_EXPRESSION_MEMBERS)\
MACRO(SwitchStatement, Expression, SWITCH_EXPRESSION_MEMBERS)\
MACRO(CaseStatement, Expression, CASE_EXPRESSION_MEMBERS)\
MACRO(WhileStatement, Expression, WHILE_EXPRESSION_MEMBERS)\
MACRO(ForStatement, Expression, FOR_EXPRESSION_MEMBERS)\
MACRO(FunctionDeclaration, Expression, FUNCTION_EXPRESSION_MEMBERS)\
MACRO(TopStatements, Expression, TOP_EXPRESSION_MEMBERS)\
MACRO(EmptyExpression, Expression, EMPTY_EXPRESSION_MEMBERS)
EXPRESSION_DEFINITION_ITERATOR(GENERATE_EXPRESSION);
inline ExpressionPtr CreateEmptyExpression() { return IPLMakeSharePtr<EmptyExpression>(); }
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