eval

package
v0.0.0-...-c922539 Latest Latest
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 Go to latest Published: Jan 23, 2024 License: Apache-2.0 Imports: 24 Imported by: 3

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Index

Constants

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const MaxCallDepth = 100

Variables

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var (
	DebugEnabled = true
)

Functions

func Any 

func Any(kinds map[string]any) value.Value

func Atoi 

func Atoi(_ context.Context, args []value.Value) (value.Value, bool, error)

func Base64 

func Base64(_ context.Context, args []value.Value) (value.Value, bool, error)

func Base64Decode 

func Base64Decode(_ context.Context, args []value.Value) (value.Value, bool, error)

func Basename 

func Basename(_ context.Context, args []value.Value) (value.Value, bool, error)

func Break 

func Break() value.Value

func Catch 

func Catch(ctx context.Context, args []value.Value) (value.Value, bool, error)

func Contains 

func Contains(ctx context.Context, args []value.Value) (value.Value, bool, error)

func Cut 

func Cut(_ context.Context, args []value.Value) (value.Value, bool, error)

func Debug 

func Debug(_ context.Context, args []value.Value) (value.Value, bool, error)

func Describe 

func Describe(ctx context.Context, args []value.Value) (value.Value, bool, error)

func Dirname 

func Dirname(_ context.Context, args []value.Value) (value.Value, bool, error)

func EndsWith 

func EndsWith(_ context.Context, args []value.Value) (value.Value, bool, error)

func Enum 

func Enum(_ context.Context, args []value.Value) (value.Value, bool, error)

func Error 

func Error(_ context.Context, args []value.Value) (value.Value, bool, error)

func EvalExpr 

func EvalExpr(ctx context.Context, expr Expression, opts ...EvalOption) (value.Value, bool, error)

func EvalSchema 

func EvalSchema(ctx context.Context, expr Expression) (value.Schema, bool, error)

func FileExt 

func FileExt(_ context.Context, args []value.Value) (value.Value, bool, error)

func FromHex 

func FromHex(_ context.Context, args []value.Value) (value.Value, bool, error)

func FromJSON 

func FromJSON(_ context.Context, args []value.Value) (value.Value, bool, error)

func FromYAML 

func FromYAML(_ context.Context, args []value.Value) (value.Value, bool, error)

func IndexOf 

func IndexOf(_ context.Context, args []value.Value) (value.Value, bool, error)

func Int 

func Int() value.Value

func IsA 

func IsA(ctx context.Context, args []value.Value) (value.Value, bool, error)

func IsAllowNewKeys 

func IsAllowNewKeys(ctx context.Context) bool

func IsSchema 

func IsSchema(ctx context.Context) bool

func Join 

func Join(_ context.Context, args []value.Value) (value.Value, bool, error)

func JoinHostPort 

func JoinHostPort(_ context.Context, args []value.Value) (value.Value, bool, error)

func Keys 

func Keys(_ context.Context, args []value.Value) (value.Value, bool, error)

func Len 

func Len(_ context.Context, args []value.Value) (value.Value, bool, error)

func Merge 

func Merge(_ context.Context, args []value.Value) (value.Value, bool, error)

func Mod 

func Mod(_ context.Context, args []value.Value) (value.Value, bool, error)

func NativeFuncValue 

func NativeFuncValue(f func(context.Context, []value.Value) (value.Value, bool, error)) value.Value

func NewErrUnknownError 

func NewErrUnknownError(node ast.Node) error

func PathJoin 

func PathJoin(_ context.Context, args []value.Value) (value.Value, bool, error)

func Range 

func Range(_ context.Context, args []value.Value) (value.Value, bool, error)

func Replace 

func Replace(_ context.Context, args []value.Value) (value.Value, bool, error)

func Sha1sum 

func Sha1sum(_ context.Context, args []value.Value) (value.Value, bool, error)

func Sha256sum 

func Sha256sum(_ context.Context, args []value.Value) (value.Value, bool, error)

func Sha512sum 

func Sha512sum(_ context.Context, args []value.Value) (value.Value, bool, error)

func Skip 

func Skip() value.Value

func Sort 

func Sort(ctx context.Context, args []value.Value) (value.Value, bool, error)

func Split 

func Split(_ context.Context, args []value.Value) (value.Value, bool, error)

func SplitHostPort 

func SplitHostPort(_ context.Context, args []value.Value) (value.Value, bool, error)

func StartsWith 

func StartsWith(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToHex 

func ToHex(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToJSON 

func ToJSON(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToLower 

func ToLower(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToTitle 

func ToTitle(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToUpper 

func ToUpper(_ context.Context, args []value.Value) (value.Value, bool, error)

func ToYAML 

func ToYAML(_ context.Context, args []value.Value) (value.Value, bool, error)

func Trim 

func Trim(_ context.Context, args []value.Value) (value.Value, bool, error)

func TrimPrefix 

func TrimPrefix(_ context.Context, args []value.Value) (value.Value, bool, error)

func TrimSuffix 

func TrimSuffix(_ context.Context, args []value.Value) (value.Value, bool, error)

func WithAllowNewKeys 

func WithAllowNewKeys(ctx context.Context, allowNewKeys bool) context.Context

func WithSchema 

func WithSchema(ctx context.Context, schema bool) context.Context

func WithScope 

func WithScope(ctx context.Context, scope Scope) context.Context

Types

type Array 

type Array struct {
	Pos      value.Position
	Comments Comments
	Items    []Expression
}

func (*Array) ToValue 

func (a *Array) ToValue(ctx context.Context) (value.Value, bool, error)

type BuildOption 

type BuildOption struct {
	PositionalArgs []any
	Args           map[string]any
	Profiles       []string
}

type BuildOptions 

type BuildOptions []BuildOption

func (BuildOptions) Merge 

func (b BuildOptions) Merge() (merged BuildOption)

type Call 

type Call struct {
	Comments Comments
	Pos      value.Position
	Func     Expression
	Args     []Field
}

func (*Call) ToValue 

func (c *Call) ToValue(ctx context.Context) (value.Value, bool, error)

type Comments 

type Comments struct {
	Comments [][]string
}

func (Comments) Last 

func (c Comments) Last() string

type Default 

type Default struct {
	Comments Comments
	Expr     Expression
	Pos      value.Position
}

func (*Default) ToValue 

func (d *Default) ToValue(ctx context.Context) (value.Value, bool, error)

type Embedded 

type Embedded struct {
	Pos        value.Position
	Comments   Comments
	Expression Expression
}

func (*Embedded) IsForLookup 

func (e *Embedded) IsForLookup(_ context.Context) bool

func (*Embedded) IsForValue 

func (e *Embedded) IsForValue(_ context.Context) bool

func (*Embedded) IsPositionalArgument 

func (e *Embedded) IsPositionalArgument() bool

func (*Embedded) Position 

func (e *Embedded) Position() value.Position

func (*Embedded) ToValueForIndex 

func (e *Embedded) ToValueForIndex(ctx context.Context, fieldIndex int) (value.Value, bool, error)

type ErrInvalidArgument 

type ErrInvalidArgument struct {
	Err error
}

func (*ErrInvalidArgument) Error 

func (e *ErrInvalidArgument) Error() string

type ErrKeyNotFound 

type ErrKeyNotFound struct {
	Key     string
	Message string
	Err     error
}

func (*ErrKeyNotFound) Error 

func (e *ErrKeyNotFound) Error() string

func (*ErrKeyNotFound) Unwrap 

func (e *ErrKeyNotFound) Unwrap() error

type ErrUnknownError 

type ErrUnknownError struct {
	Node ast.Node
}

func (*ErrUnknownError) Error 

func (e *ErrUnknownError) Error() string

type ErrorValue 

type ErrorValue struct {
	value.Value
}

func (ErrorValue) Error 

func (e ErrorValue) Error() string

type EvalOption 

type EvalOption struct {
	Globals       map[string]any
	GlobalsLookup ScopeFunc
}

func (EvalOption) Complete 

func (e EvalOption) Complete() EvalOption

type EvalOptions 

type EvalOptions []EvalOption

func (EvalOptions) Merge 

func (e EvalOptions) Merge() (result EvalOption)

type Expression 

type Expression interface {
	ToValue(ctx context.Context) (value.Value, bool, error)
}

type Field 

type Field interface {
	ToValueForIndex(ctx context.Context, idx int) (value.Value, bool, error)
	Position() value.Position

	// IsForLookup Should this field be added to the current scope and it's keys available as scope keys
	IsForLookup(ctx context.Context) bool
	// IsForValue Should this fields value be contributed to the rendered data
	IsForValue(ctx context.Context) bool
}

type FieldKey 

type FieldKey struct {
	Match         Expression
	Interpolation Expression
	Key           string
	Pos           value.Position
}

func (*FieldKey) ToString 

func (k *FieldKey) ToString(ctx context.Context) (_ string, undef value.Value, _ bool, _ error)

type File 

type File struct {
	PositionalArgs []any
	Args           map[string]any
	Profiles       []string
	Body           *Struct
}

func Build 

func Build(file *ast.File, opts ...BuildOption) (*File, error)

func (*File) CallArgs 

func (f *File) CallArgs() (result []value.CallArgument)

func (*File) Describe 

func (f *File) Describe(ctx context.Context) (*value.FuncSchema, error)

func (*File) ToValue 

func (f *File) ToValue(ctx context.Context) (value.Value, bool, error)

type For 

type For struct {
	Comments   Comments
	Key        string
	Value      string
	Collection Expression
	Body       Expression
	Else       Expression
	Merge      bool
	Position   value.Position
}

func (*For) ToValue 

func (f *For) ToValue(ctx context.Context) (value.Value, bool, error)

type Function 

type Function struct {
	Pos            value.Position
	Scope          Scope
	Body           Expression
	ReturnType     Expression
	ArgsSchema     value.Schema
	ArgNames       value.Names
	ProfilesSchema value.Schema
	ProfileNames   value.Names
	FuncSchema     *value.FuncSchema
	ReturnBody     bool
	AssignRoot     bool
	UnscopedArgs   bool
	// contains filtered or unexported fields
}

func (*Function) Call 

func (c *Function) Call(ctx context.Context, args []value.CallArgument) (ret value.Value, ok bool, err error)

func (*Function) Eq 

func (c *Function) Eq(right value.Value) (value.Value, error)

func (*Function) Kind 

func (c *Function) Kind() value.Kind

func (*Function) Returns 

func (c *Function) Returns(ctx context.Context) (value.Value, bool, error)

type FunctionDefinition 

type FunctionDefinition struct {
	Comments   Comments
	Pos        value.Position
	Body       *Struct
	ReturnType Expression
	ReturnBody bool
	AssignRoot bool
}

func (*FunctionDefinition) ToValue 

func (f *FunctionDefinition) ToValue(ctx context.Context) (value.Value, bool, error)

type If 

type If struct {
	Pos       value.Position
	Comments  Comments
	Condition Expression
	Value     Expression
	Else      Expression
}

func (*If) ToValue 

func (i *If) ToValue(ctx context.Context) (ret value.Value, ok bool, err error)

type Index 

type Index struct {
	Comments Comments
	Pos      value.Position
	Base     Expression
	Index    Expression
}

func (*Index) ToValue 

func (i *Index) ToValue(ctx context.Context) (value.Value, bool, error)

type Interpolation 

type Interpolation struct {
	Parts []any
}

func (*Interpolation) ToValue 

func (i *Interpolation) ToValue(ctx context.Context) (value.Value, bool, error)

type IsArgumentDefinition 

type IsArgumentDefinition interface {
	IsArgumentDefinition() bool
}

type IsPositionalArgument 

type IsPositionalArgument interface {
	IsPositionalArgument() bool
}

type KeyValue 

type KeyValue struct {
	Comments Comments
	Key      FieldKey
	Value    Expression
	Pos      value.Position
	Local    bool
	Optional bool
}

func (*KeyValue) IsArgumentDefinition 

func (k *KeyValue) IsArgumentDefinition() bool

func (*KeyValue) IsForLookup 

func (k *KeyValue) IsForLookup(_ context.Context) bool

func (*KeyValue) IsForValue 

func (k *KeyValue) IsForValue(ctx context.Context) bool

func (*KeyValue) Position 

func (k *KeyValue) Position() value.Position

func (*KeyValue) ToValueForIndex 

func (k *KeyValue) ToValueForIndex(ctx context.Context, i int) (value.Value, bool, error)

type LambdaDefinition 

type LambdaDefinition struct {
	Comments Comments
	Pos      value.Position
	Vars     []string
	Body     Expression
}

func (*LambdaDefinition) ToValue 

func (f *LambdaDefinition) ToValue(ctx context.Context) (value.Value, bool, error)

type Lookup 

type Lookup struct {
	Comments Comments
	Pos      value.Position
	Key      string
}

func (*Lookup) ToValue 

func (l *Lookup) ToValue(ctx context.Context) (value.Value, bool, error)

type LoopControl 

type LoopControl struct {
	Skip  bool
	Break bool
	Value value.Value
}

func (*LoopControl) Kind 

func (l *LoopControl) Kind() value.Kind

type NativeFunc 

type NativeFunc func(context.Context, []value.Value) (value.Value, bool, error)

type Op 

type Op struct {
	Unary    bool
	Comments Comments
	Operator value.Operator
	Left     Expression
	Right    Expression
	Pos      value.Position
}

func (*Op) ToValue 

func (o *Op) ToValue(ctx context.Context) (value.Value, bool, error)

type Parens 

type Parens struct {
	Comments Comments
	Expr     Expression
}

func (*Parens) ToValue 

func (p *Parens) ToValue(ctx context.Context) (value.Value, bool, error)

type Path 

type Path []PathElement

func (Path) String 

func (p Path) String() string

type PathElement 

type PathElement struct {
	Key   *string
	Index *int
	Call  bool
}

type Schema 

type Schema struct {
	Comments       Comments
	Expression     Expression
	AllowNewFields bool
}

func (*Schema) ToValue 

func (s *Schema) ToValue(ctx context.Context) (value.Value, bool, error)

type Scope 

type Scope interface {
	Depth() int
	IsRoot(ctx context.Context) (bool, error)
	Get(ctx context.Context, key string) (value.Value, bool, error)
	NewScope(ctx context.Context, data ScopeStorage) (Scope, context.Context)
}
var Builtin Scope

func EmptyScope 

func EmptyScope(ctx context.Context, data map[string]any) (Scope, context.Context)

func GetScope 

func GetScope(ctx context.Context) Scope

type ScopeAsValue 

type ScopeAsValue struct {
	Ctx   context.Context
	Scope Scope
}

func (ScopeAsValue) Kind 

func (s ScopeAsValue) Kind() value.Kind

func (ScopeAsValue) LookupValue 

func (s ScopeAsValue) LookupValue(key value.Value) (value.Value, bool, error)

type ScopeData 

type ScopeData map[string]any

func (ScopeData) Lookup 

func (m ScopeData) Lookup(ctx context.Context, key string, parent Scope) (value.Value, bool, error)

type ScopeFunc 

type ScopeFunc func(ctx context.Context, key string, parent Scope) (value.Value, bool, error)

func (ScopeFunc) Lookup 

func (s ScopeFunc) Lookup(ctx context.Context, key string, parent Scope) (value.Value, bool, error)

type ScopeStorage 

type ScopeStorage interface {
	Lookup(ctx context.Context, key string, parent Scope) (value.Value, bool, error)
}

type Selector 

type Selector struct {
	Comments Comments
	Pos      value.Position
	Base     Expression
	Key      Expression
}

func (*Selector) ToValue 

func (s *Selector) ToValue(ctx context.Context) (_ value.Value, _ bool, retErr error)

type Slice 

type Slice struct {
	Comments Comments
	Pos      value.Position
	Base     Expression
	Start    Expression
	End      Expression
}

func (*Slice) ToValue 

func (s *Slice) ToValue(ctx context.Context) (value.Value, bool, error)

type Struct 

type Struct struct {
	Position value.Position
	Comments Comments
	Fields   []Field
}

func (*Struct) ToValue 

func (s *Struct) ToValue(ctx context.Context) (value.Value, bool, error)

type Value 

type Value struct {
	Value value.Value
}

func (Value) ToValue 

func (v Value) ToValue(_ context.Context) (value.Value, bool, error)

type ValueScopeLookup 

type ValueScopeLookup struct {
	Value value.Value
}

func (ValueScopeLookup) Lookup 

func (v ValueScopeLookup) Lookup(ctx context.Context, key string, parent Scope) (value.Value, bool, error)

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