interpreter

Oct 30, 2023

Changes in this version

type CostTrackerOption

+ func OverloadCostTracker(overloadID string, fnTracker FunctionTracker) CostTrackerOption

+ type FunctionTracker func(args []ref.Val, result ref.Val) *uint64

May 30, 2023

Changes in this version

type CostTracker

+ func NewCostTracker(estimator ActualCostEstimator, opts ...CostTrackerOption) (*CostTracker, error)

+ type CostTrackerOption func(*CostTracker) error

+ func CostTrackerLimit(limit uint64) CostTrackerOption

+ func PresenceTestHasCost(hasCost bool) CostTrackerOption

Apr 4, 2023

Changes in this version

+ func ParseFormatString(formatStr string, callback FormatStringInterpolator, list FormatList, ...) (string, error)

+ type FormatList interface

+ Arg func(int64) (ref.Val, error)

+ ArgSize func() int64

+ type FormatStringInterpolator interface

+ Binary func(ref.Val, string) (string, error)

+ Decimal func(ref.Val, string) (string, error)

+ Fixed func(*int) func(ref.Val, string) (string, error)

+ Hex func(bool) func(ref.Val, string) (string, error)

+ Octal func(ref.Val, string) (string, error)

+ Scientific func(*int) func(ref.Val, string) (string, error)

+ String func(ref.Val, string) (string, error)

type InterpretableDecorator

+ func InterpolateFormattedString(verifier typeVerifier) InterpretableDecorator

Dec 6, 2022

Changes in this version

type InterpretableAttribute

+ IsOptional func() bool

+ QualifyIfPresent func(vars Activation, obj any, presenceOnly bool) (any, bool, error)

type Qualifier

+ IsOptional func() bool

+ QualifyIfPresent func(vars Activation, obj any, presenceOnly bool) (any, bool, error)

Mar 8, 2022

Changes in this version

+ var MatchesRegexOptimization = &RegexOptimization

+ type ActualCostEstimator interface

+ CallCost func(overloadId string, args []ref.Val) *uint64

+ type CancellationCause int

+ const ContextCancelled

+ const CostLimitExceeded

+ type CostTracker struct

+ Estimator ActualCostEstimator

+ Limit *uint64

+ func (c CostTracker) ActualCost() uint64

+ type EvalCancelledError struct

+ Cause CancellationCause

+ Message string

+ func (e EvalCancelledError) Error() string

+ type EvalObserver func(id int64, programStep interface{}, value ref.Val)

+ func CostObserver(tracker *CostTracker) EvalObserver

+ func EvalStateObserver(state EvalState) EvalObserver

type InterpretableCall

+ func NewCall(id int64, function, overload string, args []Interpretable, ...) InterpretableCall

+ type InterpretableConstructor interface

+ InitVals func() []Interpretable

+ Type func() ref.Type

type InterpretableDecorator

+ func CompileRegexConstants(regexOptimizations ...*RegexOptimization) InterpretableDecorator

+ func InterruptableEval() InterpretableDecorator

+ func Observe(observers ...EvalObserver) InterpretableDecorator

+ type RegexOptimization struct

+ Factory func(call InterpretableCall, regexPattern string) (InterpretableCall, error)

+ Function string

+ OverloadID string

+ RegexIndex int

Sep 2, 2020

Changes in this version

+ type ConstantQualifier interface

+ Value func() ref.Val

+ type Coster interface

+ Cost func() (min, max int64)

+ type InterpretableAttribute interface

+ Adapter func() ref.TypeAdapter

+ AddQualifier func(Qualifier) (Attribute, error)

+ Attr func() Attribute

+ Qualify func(vars Activation, obj interface{}) (interface{}, error)

+ Resolve func(Activation) (interface{}, error)

+ type InterpretableCall interface

+ Args func() []Interpretable

+ Function func() string

+ OverloadID func() string

+ type InterpretableConst interface

+ Value func() ref.Val

+ func NewConstValue(id int64, val ref.Val) InterpretableConst

type NamespacedAttribute

+ Qualifiers func() []Qualifier

Mar 10, 2020

Changes in this version

+ type Attribute interface

+ AddQualifier func(Qualifier) (Attribute, error)

+ Resolve func(Activation) (interface{}, error)

+ type AttributeFactory interface

+ AbsoluteAttribute func(id int64, names ...string) NamespacedAttribute

+ ConditionalAttribute func(id int64, expr Interpretable, t, f Attribute) Attribute

+ MaybeAttribute func(id int64, name string) Attribute

+ NewQualifier func(objType *exprpb.Type, qualID int64, val interface{}) (Qualifier, error)

+ RelativeAttribute func(id int64, operand Interpretable) Attribute

+ func NewAttributeFactory(pkg packages.Packager, a ref.TypeAdapter, p ref.TypeProvider) AttributeFactory

+ func NewPartialAttributeFactory(pkg packages.Packager, adapter ref.TypeAdapter, provider ref.TypeProvider) AttributeFactory

+ type AttributePattern struct

+ func NewAttributePattern(variable string) *AttributePattern

+ func (apat *AttributePattern) QualBool(pattern bool) *AttributePattern

+ func (apat *AttributePattern) QualInt(pattern int64) *AttributePattern

+ func (apat *AttributePattern) QualString(pattern string) *AttributePattern

+ func (apat *AttributePattern) QualUint(pattern uint64) *AttributePattern

+ func (apat *AttributePattern) QualifierPatterns() []*AttributeQualifierPattern

+ func (apat *AttributePattern) VariableMatches(variable string) bool

+ func (apat *AttributePattern) Wildcard() *AttributePattern

+ type AttributeQualifierPattern struct

+ func (qpat *AttributeQualifierPattern) Matches(q Qualifier) bool

+ type NamespacedAttribute interface

+ CandidateVariableNames func() []string

+ HasQualifiers func() bool

+ TryResolve func(Activation) (interface{}, bool, error)

+ type PartialActivation interface

+ UnknownAttributePatterns func() []*AttributePattern

+ func NewPartialActivation(bindings interface{}, unknowns ...*AttributePattern) (PartialActivation, error)

+ type Qualifier interface

+ ID func() int64

+ Qualify func(vars Activation, obj interface{}) (interface{}, error)

Oct 8, 2019

Changes in this version

type EvalState

+ IDs func() []int64

Aug 20, 2019

Changes in this version

type InterpretableDecorator

+ func Optimize() InterpretableDecorator

Apr 1, 2019

Changes in this version

type Activation

+ func EmptyActivation() Activation

+ func NewAdaptingActivation(adapter ref.TypeAdapter, bindings interface{}) (Activation, error)

Feb 5, 2019

Changes in this version

+ func PruneAst(expr *exprpb.Expr, state EvalState) *exprpb.Expr

+ type Activation interface

+ Parent func() Activation

+ ResolveName func(name string) (ref.Val, bool)

+ func NewActivation(bindings map[string]interface{}) Activation

+ func NewHierarchicalActivation(parent Activation, child Activation) Activation

+ type Dispatcher interface

+ Add func(overloads ...*functions.Overload) error

+ FindOverload func(overload string) (*functions.Overload, bool)

+ OverloadIds func() []string

+ func ExtendDispatcher(parent Dispatcher) Dispatcher

+ func NewDispatcher() Dispatcher

+ type EvalState interface

+ Reset func()

+ SetValue func(int64, ref.Val)

+ Value func(int64) (ref.Val, bool)

+ func NewEvalState() EvalState

+ type Interpretable interface

+ Eval func(activation Activation) ref.Val

+ ID func() int64

+ type InterpretableDecorator func(Interpretable) (Interpretable, error)

+ func ExhaustiveEval(state EvalState) InterpretableDecorator

+ func FoldConstants() InterpretableDecorator

+ func TrackState(state EvalState) InterpretableDecorator

+ type Interpreter interface

+ NewInterpretable func(checked *exprpb.CheckedExpr, decorators ...InterpretableDecorator) (Interpretable, error)

+ NewUncheckedInterpretable func(expr *exprpb.Expr, decorators ...InterpretableDecorator) (Interpretable, error)

+ func NewInterpreter(dispatcher Dispatcher, packager packages.Packager, ...) Interpreter

+ func NewStandardInterpreter(packager packages.Packager, typeProvider ref.TypeProvider) Interpreter