statements

type Accessor interface {
	ToString() string
}

type BlockStmt struct {
	Stmt

	Statements []Stmt
}

type ExpressionStmt struct {
	Stmt

	Expression expressions.Expr
}

type FieldAccessor struct {
	Field tokens.Token
}

type FunctionDeclarationStmt struct {
	Stmt

	Name          tokens.Token
	Parameters    []interfaces.TypedIdentifier
	ReturnType    types.ValueType
	Body          BlockStmt
	Autogenerated bool
}

type IfStmt struct {
	Stmt

	Condition  expressions.Expr
	ThenBranch BlockStmt
	ElseBranch *BlockStmt
}

type IndexAccessor struct {
	Index expressions.Expr
}

type ReturnStmt struct {
	Stmt

	Expression expressions.Expr
}

type ScoreStmt struct {
	Stmt
	Target string
	Score  int64
}

type SetReturnFlagStmt struct {
	Stmt
}

type Stmt interface {
	Accept(StmtVisitor) interfaces.IRCode
	StmtType() StmtType
	ToString() string
}

type StmtType string

type StmtVisitor interface {
	VisitExpression(ExpressionStmt) interfaces.IRCode
	VisitVariableDeclaration(VariableDeclarationStmt) interfaces.IRCode
	VisitFunctionDeclaration(FunctionDeclarationStmt) interfaces.IRCode
	VisitVariableAssignment(VariableAssignmentStmt) interfaces.IRCode
	VisitStructDeclaration(StructDeclarationStmt) interfaces.IRCode
	VisitBlock(BlockStmt) interfaces.IRCode
	VisitWhile(WhileStmt) interfaces.IRCode
	VisitIf(IfStmt) interfaces.IRCode
	VisitReturn(ReturnStmt) interfaces.IRCode
	VisitScore(ScoreStmt) interfaces.IRCode
	VisitSetReturnFlag(SetReturnFlagStmt) interfaces.IRCode
}

type StructDeclarationStmt struct {
	Stmt

	Name       tokens.Token
	StructType types.StructTypeStruct
}

type VarDef struct {
	Name string
	Type types.ValueType
}

type VariableAssignmentStmt struct {
	Stmt

	Name      tokens.Token
	Accessors []Accessor
	Value     expressions.Expr
}

type VariableDeclarationStmt struct {
	Stmt

	Name        tokens.Token
	Type        types.ValueType
	Initializer expressions.Expr
}

type WhileStmt struct {
	Stmt

	Condition expressions.Expr
	Body      BlockStmt
}