VariableDecls configures a set of fully defined cel.VariableDecl instances in the environment.

VersionNumber returns the parsed version string, or an error if the version cannot be parsed.

WrapOnColumn wraps the output expression when its string length exceeds a specified limit for operators set by WrapOnOperators function or by default,

Zero returns an empty immutable protobuf message when the description is a protobuf message type.

adaptToV2 adapts a V1 Interpretable implementation to the V2 interface. This adapter is used to bridge the legacy Interpretable interface to the mode

addInt64Checked performs addition with overflow detection of two int64 values. If the operation fails the error return value will be non-nil.

applyContext evaluates the let expressions in the context to build an activation for the given expression. returns the environment for compiling and p

newFolder creates or initializes a pooled folder instance.

releaseFolder resets and releases a pooled folder instance.

testProtosEnv initializes the test environment common to all tests.

trackAllocatingListCall computes costs as a function of the size of the result list with a baseline cost for the call dispatch and the associated list

AccuIdentName reports the name of the accumulator variable to be used within a comprehension.

Adapter returns the type adapter to be used for adapting resolved Attribute values.

AddLimits appends one or more limits to the config.

AddOverload appends a function overload ID to the ReferenceInfo.

AddOverload ensures that the new overload does not collide with an existing overload signature; however, if the function signatures are identical, the

AddQualifier proxies the Attribute.AddQualifier method. Note, this method may mutate the current attribute state. If the desire is to clone the Attri

Alias associates a name with a user-defined alias. In general, Abbrevs is preferred to Alias since the names generated from the Abbrevs option are mo

AllMatcher returns true for all descendants of a NavigableExpr, effectively flattening them into a list. Such a result would work well with subsequen

AsyncCall returns the state of an async call by its callID, or nil if not found.

AuthoringPrompt creates a prompt template from a CEL environment for the purpose of AI-assisted authoring.

CheckInterrupt returns whether the evaluation has been interrupted.

CheckedExprToAstWithSource converts a checked expression proto message to an Ast, using the provided Source as the textual contents. In general the s

CollectFileDescriptorSet builds a file descriptor set associated with the file where the input message is declared.

Compile combines the policy compilation and composition steps into a single call. This generates a single CEL AST from a collection of policy express

ConcurrentDrainStrategy configures the strategy for when to re-evaluate the program during a ConcurrentEval call after receiving asynchronous completi

Condition returns the condition CEL expression.

Cost estimates the cost of the parsed and type checked CEL expression.

CostLimit enables cost tracking and sets configures program evaluation to exit early with a "runtime cost limit exceeded" error if the runtime cost ex

DelLetFn removes a function from the evaluation context. If deleting the function breaks a later expression, this function will return an error withou

EnableIdentEscapeSyntax enables backtick (`) escaped field identifiers. This supports extended types of characters in identifiers, e.g. foo.`baz-bar`.

ErrorAsIssues wraps a Golang error into a CEL common error and issue set. This is a convenience method for early returning from an expression validat

Examples returns a list of string examples for the overload.

ExcludeOverloads defines an OverloadSelector which deny-lists a set of overloads by their ids.

Exec implements the InterpretableV2 interface method.

ExecuteTest executes the test case against the provided list of programs and returns an error if the test fails. During the test execution, the interm

ExprDeclToDeclaration converts a protobuf CEL declaration to a CEL-native declaration, either a Variable or Function.

ExprToString converts an AST Expr node back to a string using macro call tracking metadata from source info if any macros are encountered within the e

ExpressionSizeCodePointLimit is an option which limits the maximum code point count of an expression.

ExpressionUnnestHeight determines the height at which nested expressions are split into local variables within the cel.@block declaration.

FileDescriptorSet creates a Test Runner Option which adds a file descriptor set to the test runner. The file descriptor set is used to register proto

FindIdentInScope finds the first ident Decl with a matching name in the current Scopes value, or nil if one does not exist. Note: The search is only p

FindOverload returns an Overload definition matching the provided name.

FindReverse returns the unmangled, text representation of the operator.

Format formats the value as a string. The result is only intended for human consumption and ignores errors. Do not depend on the output being stable.

Get implements the traits.Indexer interface method.

GetE1 returns the e1 rule contexts.

GetEnumNames returns the string names of all enum values in the file.

GetFn returns the fn rule contexts.

GetLocationByOffset returns the line and column information for a given character offset.

GetOverloadIDs returns the set of overload function names for a given expression id. If the expression id is not a function call, or the AST is not t

GetT returns the t rule contexts.

GetValues returns the values rule context list.

GetVar_ returns the var_ rule contexts.

GlobalCall creates a function call Expr value for a global (free) function.

HasOptionalOutput returns whether the rule returns a concrete or optional value. The rule may return an optional value if all match expressions under

HasRule indicates whether the rule field is set on a match.

HomogeneousAggregateLiterals disables mixed type list and map literal values. Note, it is still possible to have heterogeneous aggregates when provid

Imports returns the list of imports associated with the policy.

IndexOrError converts an input index value into either a lossless integer index or an error.

InitVals returns all the list elements, map key and values or struct field values.

IsEnum returns true if the field type refers to an enum value.

JSONFieldNames enables the use of json names instead of the standard protobuf snake_case field names

LineOffsets returns a list of the 0-based character offsets in the input text where newlines appear.

LocationOffset translates a Location to an offset. Given the line and column of the Location returns the Location's character offset in the Source, an

MathVersion sets the library version for math extensions.

MaxExpressionNodeCount limits the maximum number of expression nodes that may be emitted by the parser, including nodes created by macro expansion.

MaxID returns the upper-bound, non-inclusive, of ids present within the AST's Expr value.

MaybeUnwrap accepts a proto message as input and unwraps it to a primitive CEL type if possible. This method returns the unwrapped value and 'true',

Metadata returns a named metadata object if one exists within the policy.

Modulo returns the result of taking the modulus of the current value by the denominator. A denominator value of zero results in an error.

Name returns the snake_case name of the field within the proto-based struct.

Name returns the fully-qualified variable name

NewBufferAndLineOffsetsWithLimit returns an efficient implementation of Buffer for the given text and enforces a code point limit while constructing t