vm

package

v0.0.0-...-daaaa79 Latest Latest Go to latest Published: Jun 26, 2015 License: MIT Imports: 10 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/chrislusf/qlbridge

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func Eval(ctx expr.EvalContext, arg expr.Node) (value.Value, bool)
type EvalBaseContext
type EvaluatorFunc
- func Evaluator(arg expr.Node) EvaluatorFunc
type ExprVm
type NoSchema
- func (m *NoSchema) Key() string
type State
- func NewState(vm ExprVm, read expr.ContextReader, write expr.ContextWriter) *State
- func (e *State) Walk(arg expr.Node) (value.Value, bool)
type Vm
- func NewVm(exprText string) (*Vm, error)
- func (m *Vm) Execute(writeContext expr.ContextWriter, readContext expr.ContextReader) (err error)
- func (m *Vm) MarshalJSON() ([]byte, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrUnknownOp       = fmt.Errorf("expr: unknown op type")
	ErrUnknownNodeType = fmt.Errorf("expr: unknown node type")
	ErrExecute         = fmt.Errorf("Could not execute")

	SchemaInfoEmpty = &NoSchema{}
)

Functions ¶

func Eval ¶

func Eval(ctx expr.EvalContext, arg expr.Node) (value.Value, bool)

Types ¶

type EvalBaseContext ¶

type EvalBaseContext struct {
	expr.ContextReader
}

type EvaluatorFunc ¶

type EvaluatorFunc func(ctx expr.EvalContext) (value.Value, bool)

func Evaluator ¶

func Evaluator(arg expr.Node) EvaluatorFunc

type ExprVm ¶

type ExprVm interface {
	Execute(writeContext expr.ContextWriter, readContext expr.ContextReader) error
}

type NoSchema ¶

type NoSchema struct {
}

func (*NoSchema) Key ¶

func (m *NoSchema) Key() string

type State ¶

type State struct {
	ExprVm // reference to the VM operating on this state

	expr.ContextReader
	Writer expr.ContextWriter
	// contains filtered or unexported fields
}

func NewState ¶

func NewState(vm ExprVm, read expr.ContextReader, write expr.ContextWriter) *State

func (*State) Walk ¶

func (e *State) Walk(arg expr.Node) (value.Value, bool)

type Vm ¶

type Vm struct {
	*expr.Tree
}

A node vm is a vm for parsing, evaluating a single tree-node

func NewVm ¶

func NewVm(exprText string) (*Vm, error)

func (*Vm) Execute ¶

func (m *Vm) Execute(writeContext expr.ContextWriter, readContext expr.ContextReader) (err error)

Execute applies a parse expression to the specified context's

func (*Vm) MarshalJSON ¶

func (m *Vm) MarshalJSON() ([]byte, error)

Source Files ¶

View all Source files

vm.go

Directories ¶

Path	Synopsis
archive
bm

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL