parse

type Diagnostic ¶ added in v0.38.0

type Diagnostic struct {
	Stage   string
	Message string
	Offset  int
	Line    int
	Column  int
}

Diagnostic describes parser issue with source position.

type FunctionCall ¶ added in v0.38.0

type FunctionCall struct {
	Name    string
	Args    []string
	Raw     string
	Offset  int
	Line    int
	Column  int
	Handled bool
}

FunctionCall captures declaration function invocation.

type FunctionHandler ¶ added in v0.38.0

type FunctionHandler interface {
	Name() string
	Handle(call *FunctionCall, result *Result) error
}

FunctionHandler handles parsed DQL function call.

type FunctionHandlerFunc ¶ added in v0.38.0

type FunctionHandlerFunc struct {
	FunctionName string
	Fn           func(call *FunctionCall, result *Result) error
}

FunctionHandlerFunc adapts function to handler.

func (f FunctionHandlerFunc) Handle(call *FunctionCall, result *Result) error

func (f FunctionHandlerFunc) Name() string

type FunctionRegistry ¶ added in v0.38.0

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

FunctionRegistry stores handlers by function name.

func NewFunctionRegistry(handlers ...FunctionHandler) *FunctionRegistry

func (r *FunctionRegistry) Register(handler FunctionHandler)

type Option ¶

type Option func(*Options)

func WithUnknownNonReadMode(mode UnknownNonReadMode) Option

type Options ¶

type Options struct {
	UnknownNonReadMode UnknownNonReadMode
}

type Parser ¶

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

Parser parses DQL source into a shape Document.

func New(opts ...Option) *Parser

func (p *Parser) Parse(dql string) (*shape.Document, error)

type Result ¶ added in v0.38.0

type Result struct {
	Query        *query.Select
	Columns      sqlparser.Columns
	Declarations []*decl.Declaration
	TypeContext  *typectx.Context
	Functions    []*FunctionCall
	Diagnostics  []*Diagnostic
}

Result is parser output.

type UnknownNonReadMode ¶

type UnknownNonReadMode string

const (
	UnknownNonReadModeWarn  UnknownNonReadMode = "warn"
	UnknownNonReadModeError UnknownNonReadMode = "error"
)