runtime

Documentation

Index

• type ColumnInfo
• type ExprOpeType
  • func (o ExprOpeType) String() string
• type ExprVMCode
  • func (c ExprVMCode) String() string
• type Runtime
  • func New() *Runtime
  • func (r *Runtime) ExprRun(codes []ExprVMCode, vals map[ast.Column]value.Value) (value.Value, error)
  • func (r *Runtime) Start(sql string) ([][]value.Value, error)
  • func (r *Runtime) Translate(expr *ast.Expression) []ExprVMCode

Types

type ColumnInfo

type ColumnInfo struct {
	Name     string
	RefCount int
}

type ExprOpeType

type ExprOpeType int

const (
	NA ExprOpeType
	PUSH
	POP
	ADD
	SUB
	MUL
	DIV
	MOD
	STORE
	CALL
	PICK
	EQ
	NEQ
	LT
	LTE
	GT
	GTE
	AND
	OR
	NOT
	CAST
	JMP
	JMPC
	JMPNC
	JMPL
	LABEL
	SWAP
)

func (ExprOpeType) String

func (o ExprOpeType) String() string

type ExprVMCode

type ExprVMCode struct {
	Operator ExprOpeType
	Operand  value.Value
}

func (ExprVMCode) String

func (c ExprVMCode) String() string

type Runtime

type Runtime struct {
	// contains filtered or unexported fields
}

func New

func New() *Runtime

func (*Runtime) ExprRun

func (r *Runtime) ExprRun(codes []ExprVMCode, vals map[ast.Column]value.Value) (value.Value, error)

func (*Runtime) Start

func (r *Runtime) Start(sql string) ([][]value.Value, error)

func (*Runtime) Translate

func (r *Runtime) Translate(expr *ast.Expression) []ExprVMCode