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MatteZ02
2020-03-03 22:30:50 +02:00
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44
node_modules/google-gax/protos/google/api/expr/v1alpha1/cel_service.proto generated vendored Normal file
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// Copyright 2018 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/api/expr/v1alpha1/conformance_service.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "CelServiceProto";
option java_package = "com.google.api.expr.v1alpha1";
// Access a CEL implementation from another process or machine.
// A CEL implementation is decomposed as a parser, a static checker,
// and an evaluator. Every CEL implementation is expected to provide
// a server for this API. The API will be used for conformance testing,
// utilities, and execution as a service.
service CelService {
// Transforms CEL source text into a parsed representation.
rpc Parse(ParseRequest) returns (ParseResponse) {}
// Runs static checks on a parsed CEL representation and return
// an annotated representation, or a set of issues.
rpc Check(CheckRequest) returns (CheckResponse) {}
// Evaluates a parsed or annotation CEL representation given
// values of external bindings.
rpc Eval(EvalRequest) returns (EvalResponse) {}
}

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node_modules/google-gax/protos/google/api/expr/v1alpha1/checked.proto generated vendored Normal file
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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/api/expr/v1alpha1/syntax.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/struct.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "DeclProto";
option java_package = "com.google.api.expr.v1alpha1";
// Protos for representing CEL declarations and typed checked expressions.
// A CEL expression which has been successfully type checked.
message CheckedExpr {
// A map from expression ids to resolved references.
//
// The following entries are in this table:
//
// - An Ident or Select expression is represented here if it resolves to a
// declaration. For instance, if `a.b.c` is represented by
// `select(select(id(a), b), c)`, and `a.b` resolves to a declaration,
// while `c` is a field selection, then the reference is attached to the
// nested select expression (but not to the id or or the outer select).
// In turn, if `a` resolves to a declaration and `b.c` are field selections,
// the reference is attached to the ident expression.
// - Every Call expression has an entry here, identifying the function being
// called.
// - Every CreateStruct expression for a message has an entry, identifying
// the message.
map<int64, Reference> reference_map = 2;
// A map from expression ids to types.
//
// Every expression node which has a type different than DYN has a mapping
// here. If an expression has type DYN, it is omitted from this map to save
// space.
map<int64, Type> type_map = 3;
// The source info derived from input that generated the parsed `expr` and
// any optimizations made during the type-checking pass.
SourceInfo source_info = 5;
// The checked expression. Semantically equivalent to the parsed `expr`, but
// may have structural differences.
Expr expr = 4;
}
// Represents a CEL type.
message Type {
// List type with typed elements, e.g. `list<example.proto.MyMessage>`.
message ListType {
// The element type.
Type elem_type = 1;
}
// Map type with parameterized key and value types, e.g. `map<string, int>`.
message MapType {
// The type of the key.
Type key_type = 1;
// The type of the value.
Type value_type = 2;
}
// Function type with result and arg types.
message FunctionType {
// Result type of the function.
Type result_type = 1;
// Argument types of the function.
repeated Type arg_types = 2;
}
// Application defined abstract type.
message AbstractType {
// The fully qualified name of this abstract type.
string name = 1;
// Parameter types for this abstract type.
repeated Type parameter_types = 2;
}
// CEL primitive types.
enum PrimitiveType {
// Unspecified type.
PRIMITIVE_TYPE_UNSPECIFIED = 0;
// Boolean type.
BOOL = 1;
// Int64 type.
//
// Proto-based integer values are widened to int64.
INT64 = 2;
// Uint64 type.
//
// Proto-based unsigned integer values are widened to uint64.
UINT64 = 3;
// Double type.
//
// Proto-based float values are widened to double values.
DOUBLE = 4;
// String type.
STRING = 5;
// Bytes type.
BYTES = 6;
}
// Well-known protobuf types treated with first-class support in CEL.
enum WellKnownType {
// Unspecified type.
WELL_KNOWN_TYPE_UNSPECIFIED = 0;
// Well-known protobuf.Any type.
//
// Any types are a polymorphic message type. During type-checking they are
// treated like `DYN` types, but at runtime they are resolved to a specific
// message type specified at evaluation time.
ANY = 1;
// Well-known protobuf.Timestamp type, internally referenced as `timestamp`.
TIMESTAMP = 2;
// Well-known protobuf.Duration type, internally referenced as `duration`.
DURATION = 3;
}
// The kind of type.
oneof type_kind {
// Dynamic type.
google.protobuf.Empty dyn = 1;
// Null value.
google.protobuf.NullValue null = 2;
// Primitive types: `true`, `1u`, `-2.0`, `'string'`, `b'bytes'`.
PrimitiveType primitive = 3;
// Wrapper of a primitive type, e.g. `google.protobuf.Int64Value`.
PrimitiveType wrapper = 4;
// Well-known protobuf type such as `google.protobuf.Timestamp`.
WellKnownType well_known = 5;
// Parameterized list with elements of `list_type`, e.g. `list<timestamp>`.
ListType list_type = 6;
// Parameterized map with typed keys and values.
MapType map_type = 7;
// Function type.
FunctionType function = 8;
// Protocol buffer message type.
//
// The `message_type` string specifies the qualified message type name. For
// example, `google.plus.Profile`.
string message_type = 9;
// Type param type.
//
// The `type_param` string specifies the type parameter name, e.g. `list<E>`
// would be a `list_type` whose element type was a `type_param` type
// named `E`.
string type_param = 10;
// Type type.
//
// The `type` value specifies the target type. e.g. int is type with a
// target type of `Primitive.INT`.
Type type = 11;
// Error type.
//
// During type-checking if an expression is an error, its type is propagated
// as the `ERROR` type. This permits the type-checker to discover other
// errors present in the expression.
google.protobuf.Empty error = 12;
// Abstract, application defined type.
AbstractType abstract_type = 14;
}
}
// Represents a declaration of a named value or function.
//
// A declaration is part of the contract between the expression, the agent
// evaluating that expression, and the caller requesting evaluation.
message Decl {
// Identifier declaration which specifies its type and optional `Expr` value.
//
// An identifier without a value is a declaration that must be provided at
// evaluation time. An identifier with a value should resolve to a constant,
// but may be used in conjunction with other identifiers bound at evaluation
// time.
message IdentDecl {
// Required. The type of the identifier.
Type type = 1;
// The constant value of the identifier. If not specified, the identifier
// must be supplied at evaluation time.
Constant value = 2;
// Documentation string for the identifier.
string doc = 3;
}
// Function declaration specifies one or more overloads which indicate the
// function's parameter types and return type, and may optionally specify a
// function definition in terms of CEL expressions.
//
// Functions have no observable side-effects (there may be side-effects like
// logging which are not observable from CEL).
message FunctionDecl {
// An overload indicates a function's parameter types and return type, and
// may optionally include a function body described in terms of [Expr][google.api.expr.v1alpha1.Expr]
// values.
//
// Functions overloads are declared in either a function or method
// call-style. For methods, the `params[0]` is the expected type of the
// target receiver.
//
// Overloads must have non-overlapping argument types after erasure of all
// parameterized type variables (similar as type erasure in Java).
message Overload {
// Required. Globally unique overload name of the function which reflects
// the function name and argument types.
//
// This will be used by a [Reference][google.api.expr.v1alpha1.Reference] to indicate the `overload_id` that
// was resolved for the function `name`.
string overload_id = 1;
// List of function parameter [Type][google.api.expr.v1alpha1.Type] values.
//
// Param types are disjoint after generic type parameters have been
// replaced with the type `DYN`. Since the `DYN` type is compatible with
// any other type, this means that if `A` is a type parameter, the
// function types `int<A>` and `int<int>` are not disjoint. Likewise,
// `map<string, string>` is not disjoint from `map<K, V>`.
//
// When the `result_type` of a function is a generic type param, the
// type param name also appears as the `type` of on at least one params.
repeated Type params = 2;
// The type param names associated with the function declaration.
//
// For example, `function ex<K,V>(K key, map<K, V> map) : V` would yield
// the type params of `K, V`.
repeated string type_params = 3;
// Required. The result type of the function. For example, the operator
// `string.isEmpty()` would have `result_type` of `kind: BOOL`.
Type result_type = 4;
// Whether the function is to be used in a method call-style `x.f(...)`
// of a function call-style `f(x, ...)`.
//
// For methods, the first parameter declaration, `params[0]` is the
// expected type of the target receiver.
bool is_instance_function = 5;
// Documentation string for the overload.
string doc = 6;
}
// Required. List of function overloads, must contain at least one overload.
repeated Overload overloads = 1;
}
// The fully qualified name of the declaration.
//
// Declarations are organized in containers and this represents the full path
// to the declaration in its container, as in `google.api.expr.Decl`.
//
// Declarations used as [FunctionDecl.Overload][google.api.expr.v1alpha1.Decl.FunctionDecl.Overload] parameters may or may not
// have a name depending on whether the overload is function declaration or a
// function definition containing a result [Expr][google.api.expr.v1alpha1.Expr].
string name = 1;
// Required. The declaration kind.
oneof decl_kind {
// Identifier declaration.
IdentDecl ident = 2;
// Function declaration.
FunctionDecl function = 3;
}
}
// Describes a resolved reference to a declaration.
message Reference {
// The fully qualified name of the declaration.
string name = 1;
// For references to functions, this is a list of `Overload.overload_id`
// values which match according to typing rules.
//
// If the list has more than one element, overload resolution among the
// presented candidates must happen at runtime because of dynamic types. The
// type checker attempts to narrow down this list as much as possible.
//
// Empty if this is not a reference to a [Decl.FunctionDecl][google.api.expr.v1alpha1.Decl.FunctionDecl].
repeated string overload_id = 3;
// For references to constants, this may contain the value of the
// constant if known at compile time.
Constant value = 4;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/api/client.proto";
import "google/api/expr/v1alpha1/checked.proto";
import "google/api/expr/v1alpha1/eval.proto";
import "google/api/expr/v1alpha1/syntax.proto";
import "google/api/field_behavior.proto";
import "google/rpc/status.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "ConformanceServiceProto";
option java_package = "com.google.api.expr.v1alpha1";
// Access a CEL implementation from another process or machine.
// A CEL implementation is decomposed as a parser, a static checker,
// and an evaluator. Every CEL implementation is expected to provide
// a server for this API. The API will be used for conformance testing
// and other utilities.
service ConformanceService {
option (google.api.default_host) = "cel.googleapis.com";
// Transforms CEL source text into a parsed representation.
rpc Parse(ParseRequest) returns (ParseResponse) {
option (google.api.method_signature) = "cel_source";
}
// Runs static checks on a parsed CEL representation and return
// an annotated representation, or a set of issues.
rpc Check(CheckRequest) returns (CheckResponse) {
option (google.api.method_signature) = "parsed_expr";
}
// Evaluates a parsed or annotation CEL representation given
// values of external bindings.
rpc Eval(EvalRequest) returns (EvalResponse) {
}
}
// Request message for the Parse method.
message ParseRequest {
// Required. Source text in CEL syntax.
string cel_source = 1 [(google.api.field_behavior) = REQUIRED];
// Tag for version of CEL syntax, for future use.
string syntax_version = 2;
// File or resource for source text, used in [SourceInfo][google.api.expr.v1alpha1.SourceInfo].
string source_location = 3;
// Prevent macro expansion. See "Macros" in Language Defiinition.
bool disable_macros = 4;
}
// Response message for the Parse method.
message ParseResponse {
// The parsed representation, or unset if parsing failed.
ParsedExpr parsed_expr = 1;
// Any number of issues with [StatusDetails][] as the details.
repeated google.rpc.Status issues = 2;
}
// Request message for the Check method.
message CheckRequest {
// Required. The parsed representation of the CEL program.
ParsedExpr parsed_expr = 1 [(google.api.field_behavior) = REQUIRED];
// Declarations of types for external variables and functions.
// Required if program uses external variables or functions
// not in the default environment.
repeated Decl type_env = 2;
// The protocol buffer context. See "Name Resolution" in the
// Language Definition.
string container = 3;
// If true, use only the declarations in [type_env][google.api.expr.v1alpha1.CheckRequest.type_env]. If false (default),
// add declarations for the standard definitions to the type environment. See
// "Standard Definitions" in the Language Definition.
bool no_std_env = 4;
}
// Response message for the Check method.
message CheckResponse {
// The annotated representation, or unset if checking failed.
CheckedExpr checked_expr = 1;
// Any number of issues with [StatusDetails][] as the details.
repeated google.rpc.Status issues = 2;
}
// Request message for the Eval method.
message EvalRequest {
// Required. Either the parsed or annotated representation of the CEL program.
oneof expr_kind {
// Evaluate based on the parsed representation.
ParsedExpr parsed_expr = 1;
// Evaluate based on the checked representation.
CheckedExpr checked_expr = 2;
}
// Bindings for the external variables. The types SHOULD be compatible
// with the type environment in [CheckRequest][google.api.expr.v1alpha1.CheckRequest], if checked.
map<string, ExprValue> bindings = 3;
// SHOULD be the same container as used in [CheckRequest][google.api.expr.v1alpha1.CheckRequest], if checked.
string container = 4;
}
// Response message for the Eval method.
message EvalResponse {
// The execution result, or unset if execution couldn't start.
ExprValue result = 1;
// Any number of issues with [StatusDetails][] as the details.
// Note that CEL execution errors are reified into [ExprValue][google.api.expr.v1alpha1.ExprValue].
// Nevertheless, we'll allow out-of-band issues to be raised,
// which also makes the replies more regular.
repeated google.rpc.Status issues = 2;
}
// Warnings or errors in service execution are represented by
// [google.rpc.Status][google.rpc.Status] messages, with the following message
// in the details field.
message IssueDetails {
// Severities of issues.
enum Severity {
// An unspecified severity.
SEVERITY_UNSPECIFIED = 0;
// Deprecation issue for statements and method that may no longer be
// supported or maintained.
DEPRECATION = 1;
// Warnings such as: unused variables.
WARNING = 2;
// Errors such as: unmatched curly braces or variable redefinition.
ERROR = 3;
}
// The severity of the issue.
Severity severity = 1;
// Position in the source, if known.
SourcePosition position = 2;
// Expression ID from [Expr][google.api.expr.v1alpha1.Expr], 0 if unknown.
int64 id = 3;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/api/expr/v1alpha1/value.proto";
import "google/rpc/status.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "EvalProto";
option java_package = "com.google.api.expr.v1alpha1";
// The state of an evaluation.
//
// Can represent an inital, partial, or completed state of evaluation.
message EvalState {
// A single evalution result.
message Result {
// The id of the expression this result if for.
int64 expr = 1;
// The index in `values` of the resulting value.
int64 value = 2;
}
// The unique values referenced in this message.
repeated ExprValue values = 1;
// An ordered list of results.
//
// Tracks the flow of evaluation through the expression.
// May be sparse.
repeated Result results = 3;
}
// The value of an evaluated expression.
message ExprValue {
// An expression can resolve to a value, error or unknown.
oneof kind {
// A concrete value.
Value value = 1;
// The set of errors in the critical path of evalution.
//
// Only errors in the critical path are included. For example,
// `(<error1> || true) && <error2>` will only result in `<error2>`,
// while `<error1> || <error2>` will result in both `<error1>` and
// `<error2>`.
//
// Errors cause by the presence of other errors are not included in the
// set. For example `<error1>.foo`, `foo(<error1>)`, and `<error1> + 1` will
// only result in `<error1>`.
//
// Multiple errors *might* be included when evaluation could result
// in different errors. For example `<error1> + <error2>` and
// `foo(<error1>, <error2>)` may result in `<error1>`, `<error2>` or both.
// The exact subset of errors included for this case is unspecified and
// depends on the implementation details of the evaluator.
ErrorSet error = 2;
// The set of unknowns in the critical path of evaluation.
//
// Unknown behaves identically to Error with regards to propagation.
// Specifically, only unknowns in the critical path are included, unknowns
// caused by the presence of other unknowns are not included, and multiple
// unknowns *might* be included included when evaluation could result in
// different unknowns. For example:
//
// (<unknown[1]> || true) && <unknown[2]> -> <unknown[2]>
// <unknown[1]> || <unknown[2]> -> <unknown[1,2]>
// <unknown[1]>.foo -> <unknown[1]>
// foo(<unknown[1]>) -> <unknown[1]>
// <unknown[1]> + <unknown[2]> -> <unknown[1]> or <unknown[2[>
//
// Unknown takes precidence over Error in cases where a `Value` can short
// circuit the result:
//
// <error> || <unknown> -> <unknown>
// <error> && <unknown> -> <unknown>
//
// Errors take precidence in all other cases:
//
// <unknown> + <error> -> <error>
// foo(<unknown>, <error>) -> <error>
UnknownSet unknown = 3;
}
}
// A set of errors.
//
// The errors included depend on the context. See `ExprValue.error`.
message ErrorSet {
// The errors in the set.
repeated google.rpc.Status errors = 1;
}
// A set of expressions for which the value is unknown.
//
// The unknowns included depend on the context. See `ExprValue.unknown`.
message UnknownSet {
// The ids of the expressions with unknown values.
repeated int64 exprs = 1;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/api/expr/v1alpha1/value.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "ExplainProto";
option java_package = "com.google.api.expr.v1alpha1";
// Values of intermediate expressions produced when evaluating expression.
// Deprecated, use `EvalState` instead.
message Explain {
option deprecated = true;
// ID and value index of one step.
message ExprStep {
// ID of corresponding Expr node.
int64 id = 1;
// Index of the value in the values list.
int32 value_index = 2;
}
// All of the observed values.
//
// The field value_index is an index in the values list.
// Separating values from steps is needed to remove redundant values.
repeated Value values = 1;
// List of steps.
//
// Repeated evaluations of the same expression generate new ExprStep
// instances. The order of such ExprStep instances matches the order of
// elements returned by Comprehension.iter_range.
repeated ExprStep expr_steps = 2;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/protobuf/duration.proto";
import "google/protobuf/struct.proto";
import "google/protobuf/timestamp.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "SyntaxProto";
option java_package = "com.google.api.expr.v1alpha1";
// A representation of the abstract syntax of the Common Expression Language.
// An expression together with source information as returned by the parser.
message ParsedExpr {
// The parsed expression.
Expr expr = 2;
// The source info derived from input that generated the parsed `expr`.
SourceInfo source_info = 3;
}
// An abstract representation of a common expression.
//
// Expressions are abstractly represented as a collection of identifiers,
// select statements, function calls, literals, and comprehensions. All
// operators with the exception of the '.' operator are modelled as function
// calls. This makes it easy to represent new operators into the existing AST.
//
// All references within expressions must resolve to a [Decl][google.api.expr.v1alpha1.Decl] provided at
// type-check for an expression to be valid. A reference may either be a bare
// identifier `name` or a qualified identifier `google.api.name`. References
// may either refer to a value or a function declaration.
//
// For example, the expression `google.api.name.startsWith('expr')` references
// the declaration `google.api.name` within a [Expr.Select][google.api.expr.v1alpha1.Expr.Select] expression, and
// the function declaration `startsWith`.
message Expr {
// An identifier expression. e.g. `request`.
message Ident {
// Required. Holds a single, unqualified identifier, possibly preceded by a
// '.'.
//
// Qualified names are represented by the [Expr.Select][google.api.expr.v1alpha1.Expr.Select] expression.
string name = 1;
}
// A field selection expression. e.g. `request.auth`.
message Select {
// Required. The target of the selection expression.
//
// For example, in the select expression `request.auth`, the `request`
// portion of the expression is the `operand`.
Expr operand = 1;
// Required. The name of the field to select.
//
// For example, in the select expression `request.auth`, the `auth` portion
// of the expression would be the `field`.
string field = 2;
// Whether the select is to be interpreted as a field presence test.
//
// This results from the macro `has(request.auth)`.
bool test_only = 3;
}
// A call expression, including calls to predefined functions and operators.
//
// For example, `value == 10`, `size(map_value)`.
message Call {
// The target of an method call-style expression. For example, `x` in
// `x.f()`.
Expr target = 1;
// Required. The name of the function or method being called.
string function = 2;
// The arguments.
repeated Expr args = 3;
}
// A list creation expression.
//
// Lists may either be homogenous, e.g. `[1, 2, 3]`, or heterogenous, e.g.
// `dyn([1, 'hello', 2.0])`
message CreateList {
// The elements part of the list.
repeated Expr elements = 1;
}
// A map or message creation expression.
//
// Maps are constructed as `{'key_name': 'value'}`. Message construction is
// similar, but prefixed with a type name and composed of field ids:
// `types.MyType{field_id: 'value'}`.
message CreateStruct {
// Represents an entry.
message Entry {
// Required. An id assigned to this node by the parser which is unique
// in a given expression tree. This is used to associate type
// information and other attributes to the node.
int64 id = 1;
// The `Entry` key kinds.
oneof key_kind {
// The field key for a message creator statement.
string field_key = 2;
// The key expression for a map creation statement.
Expr map_key = 3;
}
// Required. The value assigned to the key.
Expr value = 4;
}
// The type name of the message to be created, empty when creating map
// literals.
string message_name = 1;
// The entries in the creation expression.
repeated Entry entries = 2;
}
// A comprehension expression applied to a list or map.
//
// Comprehensions are not part of the core syntax, but enabled with macros.
// A macro matches a specific call signature within a parsed AST and replaces
// the call with an alternate AST block. Macro expansion happens at parse
// time.
//
// The following macros are supported within CEL:
//
// Aggregate type macros may be applied to all elements in a list or all keys
// in a map:
//
// * `all`, `exists`, `exists_one` - test a predicate expression against
// the inputs and return `true` if the predicate is satisfied for all,
// any, or only one value `list.all(x, x < 10)`.
// * `filter` - test a predicate expression against the inputs and return
// the subset of elements which satisfy the predicate:
// `payments.filter(p, p > 1000)`.
// * `map` - apply an expression to all elements in the input and return the
// output aggregate type: `[1, 2, 3].map(i, i * i)`.
//
// The `has(m.x)` macro tests whether the property `x` is present in struct
// `m`. The semantics of this macro depend on the type of `m`. For proto2
// messages `has(m.x)` is defined as 'defined, but not set`. For proto3, the
// macro tests whether the property is set to its default. For map and struct
// types, the macro tests whether the property `x` is defined on `m`.
message Comprehension {
// The name of the iteration variable.
string iter_var = 1;
// The range over which var iterates.
Expr iter_range = 2;
// The name of the variable used for accumulation of the result.
string accu_var = 3;
// The initial value of the accumulator.
Expr accu_init = 4;
// An expression which can contain iter_var and accu_var.
//
// Returns false when the result has been computed and may be used as
// a hint to short-circuit the remainder of the comprehension.
Expr loop_condition = 5;
// An expression which can contain iter_var and accu_var.
//
// Computes the next value of accu_var.
Expr loop_step = 6;
// An expression which can contain accu_var.
//
// Computes the result.
Expr result = 7;
}
// Required. An id assigned to this node by the parser which is unique in a
// given expression tree. This is used to associate type information and other
// attributes to a node in the parse tree.
int64 id = 2;
// Required. Variants of expressions.
oneof expr_kind {
// A literal expression.
Constant const_expr = 3;
// An identifier expression.
Ident ident_expr = 4;
// A field selection expression, e.g. `request.auth`.
Select select_expr = 5;
// A call expression, including calls to predefined functions and operators.
Call call_expr = 6;
// A list creation expression.
CreateList list_expr = 7;
// A map or message creation expression.
CreateStruct struct_expr = 8;
// A comprehension expression.
Comprehension comprehension_expr = 9;
}
}
// Represents a primitive literal.
//
// Named 'Constant' here for backwards compatibility.
//
// This is similar as the primitives supported in the well-known type
// `google.protobuf.Value`, but richer so it can represent CEL's full range of
// primitives.
//
// Lists and structs are not included as constants as these aggregate types may
// contain [Expr][google.api.expr.v1alpha1.Expr] elements which require evaluation and are thus not constant.
//
// Examples of literals include: `"hello"`, `b'bytes'`, `1u`, `4.2`, `-2`,
// `true`, `null`.
message Constant {
// Required. The valid constant kinds.
oneof constant_kind {
// null value.
google.protobuf.NullValue null_value = 1;
// boolean value.
bool bool_value = 2;
// int64 value.
int64 int64_value = 3;
// uint64 value.
uint64 uint64_value = 4;
// double value.
double double_value = 5;
// string value.
string string_value = 6;
// bytes value.
bytes bytes_value = 7;
// protobuf.Duration value.
//
// Deprecated: duration is no longer considered a builtin cel type.
google.protobuf.Duration duration_value = 8 [deprecated = true];
// protobuf.Timestamp value.
//
// Deprecated: timestamp is no longer considered a builtin cel type.
google.protobuf.Timestamp timestamp_value = 9 [deprecated = true];
}
}
// Source information collected at parse time.
message SourceInfo {
// The syntax version of the source, e.g. `cel1`.
string syntax_version = 1;
// The location name. All position information attached to an expression is
// relative to this location.
//
// The location could be a file, UI element, or similar. For example,
// `acme/app/AnvilPolicy.cel`.
string location = 2;
// Monotonically increasing list of character offsets where newlines appear.
//
// The line number of a given position is the index `i` where for a given
// `id` the `line_offsets[i] < id_positions[id] < line_offsets[i+1]`. The
// column may be derivd from `id_positions[id] - line_offsets[i]`.
repeated int32 line_offsets = 3;
// A map from the parse node id (e.g. `Expr.id`) to the character offset
// within source.
map<int64, int32> positions = 4;
// A map from the parse node id where a macro replacement was made to the
// call `Expr` that resulted in a macro expansion.
//
// For example, `has(value.field)` is a function call that is replaced by a
// `test_only` field selection in the AST. Likewise, the call
// `list.exists(e, e > 10)` translates to a comprehension expression. The key
// in the map corresponds to the expression id of the expanded macro, and the
// value is the call `Expr` that was replaced.
map<int64, Expr> macro_calls = 5;
}
// A specific position in source.
message SourcePosition {
// The soucre location name (e.g. file name).
string location = 1;
// The character offset.
int32 offset = 2;
// The 1-based index of the starting line in the source text
// where the issue occurs, or 0 if unknown.
int32 line = 3;
// The 0-based index of the starting position within the line of source text
// where the issue occurs. Only meaningful if line is nonzero.
int32 column = 4;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1alpha1;
import "google/protobuf/any.proto";
import "google/protobuf/struct.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr";
option java_multiple_files = true;
option java_outer_classname = "ValueProto";
option java_package = "com.google.api.expr.v1alpha1";
// Contains representations for CEL runtime values.
// Represents a CEL value.
//
// This is similar to `google.protobuf.Value`, but can represent CEL's full
// range of values.
message Value {
// Required. The valid kinds of values.
oneof kind {
// Null value.
google.protobuf.NullValue null_value = 1;
// Boolean value.
bool bool_value = 2;
// Signed integer value.
int64 int64_value = 3;
// Unsigned integer value.
uint64 uint64_value = 4;
// Floating point value.
double double_value = 5;
// UTF-8 string value.
string string_value = 6;
// Byte string value.
bytes bytes_value = 7;
// An enum value.
EnumValue enum_value = 9;
// The proto message backing an object value.
google.protobuf.Any object_value = 10;
// Map value.
MapValue map_value = 11;
// List value.
ListValue list_value = 12;
// Type value.
string type_value = 15;
}
}
// An enum value.
message EnumValue {
// The fully qualified name of the enum type.
string type = 1;
// The value of the enum.
int32 value = 2;
}
// A list.
//
// Wrapped in a message so 'not set' and empty can be differentiated, which is
// required for use in a 'oneof'.
message ListValue {
// The ordered values in the list.
repeated Value values = 1;
}
// A map.
//
// Wrapped in a message so 'not set' and empty can be differentiated, which is
// required for use in a 'oneof'.
message MapValue {
// An entry in the map.
message Entry {
// The key.
//
// Must be unique with in the map.
// Currently only boolean, int, uint, and string values can be keys.
Value key = 1;
// The value.
Value value = 2;
}
// The set of map entries.
//
// CEL has fewer restrictions on keys, so a protobuf map represenation
// cannot be used.
repeated Entry entries = 1;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1beta1;
import "google/api/expr/v1beta1/expr.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1beta1;expr";
option java_multiple_files = true;
option java_outer_classname = "DeclProto";
option java_package = "com.google.api.expr.v1beta1";
// A declaration.
message Decl {
// The id of the declaration.
int32 id = 1;
// The name of the declaration.
string name = 2;
// The documentation string for the declaration.
string doc = 3;
// The kind of declaration.
oneof kind {
// An identifier declaration.
IdentDecl ident = 4;
// A function declaration.
FunctionDecl function = 5;
}
}
// The declared type of a variable.
//
// Extends runtime type values with extra information used for type checking
// and dispatching.
message DeclType {
// The expression id of the declared type, if applicable.
int32 id = 1;
// The type name, e.g. 'int', 'my.type.Type' or 'T'
string type = 2;
// An ordered list of type parameters, e.g. `<string, int>`.
// Only applies to a subset of types, e.g. `map`, `list`.
repeated DeclType type_params = 4;
}
// An identifier declaration.
message IdentDecl {
// Optional type of the identifier.
DeclType type = 3;
// Optional value of the identifier.
Expr value = 4;
}
// A function declaration.
message FunctionDecl {
// The function arguments.
repeated IdentDecl args = 1;
// Optional declared return type.
DeclType return_type = 2;
// If the first argument of the function is the receiver.
bool receiver_function = 3;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1beta1;
import "google/api/expr/v1beta1/value.proto";
import "google/rpc/status.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1beta1;expr";
option java_multiple_files = true;
option java_outer_classname = "EvalProto";
option java_package = "com.google.api.expr.v1beta1";
// The state of an evaluation.
//
// Can represent an initial, partial, or completed state of evaluation.
message EvalState {
// A single evaluation result.
message Result {
// The expression this result is for.
IdRef expr = 1;
// The index in `values` of the resulting value.
int32 value = 2;
}
// The unique values referenced in this message.
repeated ExprValue values = 1;
// An ordered list of results.
//
// Tracks the flow of evaluation through the expression.
// May be sparse.
repeated Result results = 3;
}
// The value of an evaluated expression.
message ExprValue {
// An expression can resolve to a value, error or unknown.
oneof kind {
// A concrete value.
Value value = 1;
// The set of errors in the critical path of evalution.
//
// Only errors in the critical path are included. For example,
// `(<error1> || true) && <error2>` will only result in `<error2>`,
// while `<error1> || <error2>` will result in both `<error1>` and
// `<error2>`.
//
// Errors cause by the presence of other errors are not included in the
// set. For example `<error1>.foo`, `foo(<error1>)`, and `<error1> + 1` will
// only result in `<error1>`.
//
// Multiple errors *might* be included when evaluation could result
// in different errors. For example `<error1> + <error2>` and
// `foo(<error1>, <error2>)` may result in `<error1>`, `<error2>` or both.
// The exact subset of errors included for this case is unspecified and
// depends on the implementation details of the evaluator.
ErrorSet error = 2;
// The set of unknowns in the critical path of evaluation.
//
// Unknown behaves identically to Error with regards to propagation.
// Specifically, only unknowns in the critical path are included, unknowns
// caused by the presence of other unknowns are not included, and multiple
// unknowns *might* be included included when evaluation could result in
// different unknowns. For example:
//
// (<unknown[1]> || true) && <unknown[2]> -> <unknown[2]>
// <unknown[1]> || <unknown[2]> -> <unknown[1,2]>
// <unknown[1]>.foo -> <unknown[1]>
// foo(<unknown[1]>) -> <unknown[1]>
// <unknown[1]> + <unknown[2]> -> <unknown[1]> or <unknown[2[>
//
// Unknown takes precidence over Error in cases where a `Value` can short
// circuit the result:
//
// <error> || <unknown> -> <unknown>
// <error> && <unknown> -> <unknown>
//
// Errors take precidence in all other cases:
//
// <unknown> + <error> -> <error>
// foo(<unknown>, <error>) -> <error>
UnknownSet unknown = 3;
}
}
// A set of errors.
//
// The errors included depend on the context. See `ExprValue.error`.
message ErrorSet {
// The errors in the set.
repeated google.rpc.Status errors = 1;
}
// A set of expressions for which the value is unknown.
//
// The unknowns included depend on the context. See `ExprValue.unknown`.
message UnknownSet {
// The ids of the expressions with unknown values.
repeated IdRef exprs = 1;
}
// A reference to an expression id.
message IdRef {
// The expression id.
int32 id = 1;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1beta1;
import "google/api/expr/v1beta1/source.proto";
import "google/protobuf/struct.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1beta1;expr";
option java_multiple_files = true;
option java_outer_classname = "ExprProto";
option java_package = "com.google.api.expr.v1beta1";
// An expression together with source information as returned by the parser.
message ParsedExpr {
// The parsed expression.
Expr expr = 2;
// The source info derived from input that generated the parsed `expr`.
SourceInfo source_info = 3;
// The syntax version of the source, e.g. `cel1`.
string syntax_version = 4;
}
// An abstract representation of a common expression.
//
// Expressions are abstractly represented as a collection of identifiers,
// select statements, function calls, literals, and comprehensions. All
// operators with the exception of the '.' operator are modelled as function
// calls. This makes it easy to represent new operators into the existing AST.
//
// All references within expressions must resolve to a [Decl][google.api.expr.v1beta1.Decl] provided at
// type-check for an expression to be valid. A reference may either be a bare
// identifier `name` or a qualified identifier `google.api.name`. References
// may either refer to a value or a function declaration.
//
// For example, the expression `google.api.name.startsWith('expr')` references
// the declaration `google.api.name` within a [Expr.Select][google.api.expr.v1beta1.Expr.Select] expression, and
// the function declaration `startsWith`.
message Expr {
// An identifier expression. e.g. `request`.
message Ident {
// Required. Holds a single, unqualified identifier, possibly preceded by a
// '.'.
//
// Qualified names are represented by the [Expr.Select][google.api.expr.v1beta1.Expr.Select] expression.
string name = 1;
}
// A field selection expression. e.g. `request.auth`.
message Select {
// Required. The target of the selection expression.
//
// For example, in the select expression `request.auth`, the `request`
// portion of the expression is the `operand`.
Expr operand = 1;
// Required. The name of the field to select.
//
// For example, in the select expression `request.auth`, the `auth` portion
// of the expression would be the `field`.
string field = 2;
// Whether the select is to be interpreted as a field presence test.
//
// This results from the macro `has(request.auth)`.
bool test_only = 3;
}
// A call expression, including calls to predefined functions and operators.
//
// For example, `value == 10`, `size(map_value)`.
message Call {
// The target of an method call-style expression. For example, `x` in
// `x.f()`.
Expr target = 1;
// Required. The name of the function or method being called.
string function = 2;
// The arguments.
repeated Expr args = 3;
}
// A list creation expression.
//
// Lists may either be homogenous, e.g. `[1, 2, 3]`, or heterogenous, e.g.
// `dyn([1, 'hello', 2.0])`
message CreateList {
// The elements part of the list.
repeated Expr elements = 1;
}
// A map or message creation expression.
//
// Maps are constructed as `{'key_name': 'value'}`. Message construction is
// similar, but prefixed with a type name and composed of field ids:
// `types.MyType{field_id: 'value'}`.
message CreateStruct {
// Represents an entry.
message Entry {
// Required. An id assigned to this node by the parser which is unique
// in a given expression tree. This is used to associate type
// information and other attributes to the node.
int32 id = 1;
// The `Entry` key kinds.
oneof key_kind {
// The field key for a message creator statement.
string field_key = 2;
// The key expression for a map creation statement.
Expr map_key = 3;
}
// Required. The value assigned to the key.
Expr value = 4;
}
// The type name of the message to be created, empty when creating map
// literals.
string type = 1;
// The entries in the creation expression.
repeated Entry entries = 2;
}
// A comprehension expression applied to a list or map.
//
// Comprehensions are not part of the core syntax, but enabled with macros.
// A macro matches a specific call signature within a parsed AST and replaces
// the call with an alternate AST block. Macro expansion happens at parse
// time.
//
// The following macros are supported within CEL:
//
// Aggregate type macros may be applied to all elements in a list or all keys
// in a map:
//
// * `all`, `exists`, `exists_one` - test a predicate expression against
// the inputs and return `true` if the predicate is satisfied for all,
// any, or only one value `list.all(x, x < 10)`.
// * `filter` - test a predicate expression against the inputs and return
// the subset of elements which satisfy the predicate:
// `payments.filter(p, p > 1000)`.
// * `map` - apply an expression to all elements in the input and return the
// output aggregate type: `[1, 2, 3].map(i, i * i)`.
//
// The `has(m.x)` macro tests whether the property `x` is present in struct
// `m`. The semantics of this macro depend on the type of `m`. For proto2
// messages `has(m.x)` is defined as 'defined, but not set`. For proto3, the
// macro tests whether the property is set to its default. For map and struct
// types, the macro tests whether the property `x` is defined on `m`.
message Comprehension {
// The name of the iteration variable.
string iter_var = 1;
// The range over which var iterates.
Expr iter_range = 2;
// The name of the variable used for accumulation of the result.
string accu_var = 3;
// The initial value of the accumulator.
Expr accu_init = 4;
// An expression which can contain iter_var and accu_var.
//
// Returns false when the result has been computed and may be used as
// a hint to short-circuit the remainder of the comprehension.
Expr loop_condition = 5;
// An expression which can contain iter_var and accu_var.
//
// Computes the next value of accu_var.
Expr loop_step = 6;
// An expression which can contain accu_var.
//
// Computes the result.
Expr result = 7;
}
// Required. An id assigned to this node by the parser which is unique in a
// given expression tree. This is used to associate type information and other
// attributes to a node in the parse tree.
int32 id = 2;
// Required. Variants of expressions.
oneof expr_kind {
// A literal expression.
Literal literal_expr = 3;
// An identifier expression.
Ident ident_expr = 4;
// A field selection expression, e.g. `request.auth`.
Select select_expr = 5;
// A call expression, including calls to predefined functions and operators.
Call call_expr = 6;
// A list creation expression.
CreateList list_expr = 7;
// A map or object creation expression.
CreateStruct struct_expr = 8;
// A comprehension expression.
Comprehension comprehension_expr = 9;
}
}
// Represents a primitive literal.
//
// This is similar to the primitives supported in the well-known type
// `google.protobuf.Value`, but richer so it can represent CEL's full range of
// primitives.
//
// Lists and structs are not included as constants as these aggregate types may
// contain [Expr][google.api.expr.v1beta1.Expr] elements which require evaluation and are thus not constant.
//
// Examples of literals include: `"hello"`, `b'bytes'`, `1u`, `4.2`, `-2`,
// `true`, `null`.
message Literal {
// Required. The valid constant kinds.
oneof constant_kind {
// null value.
google.protobuf.NullValue null_value = 1;
// boolean value.
bool bool_value = 2;
// int64 value.
int64 int64_value = 3;
// uint64 value.
uint64 uint64_value = 4;
// double value.
double double_value = 5;
// string value.
string string_value = 6;
// bytes value.
bytes bytes_value = 7;
}
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1beta1;
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1beta1;expr";
option java_multiple_files = true;
option java_outer_classname = "SourceProto";
option java_package = "com.google.api.expr.v1beta1";
// Source information collected at parse time.
message SourceInfo {
// The location name. All position information attached to an expression is
// relative to this location.
//
// The location could be a file, UI element, or similar. For example,
// `acme/app/AnvilPolicy.cel`.
string location = 2;
// Monotonically increasing list of character offsets where newlines appear.
//
// The line number of a given position is the index `i` where for a given
// `id` the `line_offsets[i] < id_positions[id] < line_offsets[i+1]`. The
// column may be derivd from `id_positions[id] - line_offsets[i]`.
repeated int32 line_offsets = 3;
// A map from the parse node id (e.g. `Expr.id`) to the character offset
// within source.
map<int32, int32> positions = 4;
}
// A specific position in source.
message SourcePosition {
// The soucre location name (e.g. file name).
string location = 1;
// The character offset.
int32 offset = 2;
// The 1-based index of the starting line in the source text
// where the issue occurs, or 0 if unknown.
int32 line = 3;
// The 0-based index of the starting position within the line of source text
// where the issue occurs. Only meaningful if line is nonzer..
int32 column = 4;
}

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// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
syntax = "proto3";
package google.api.expr.v1beta1;
import "google/protobuf/any.proto";
import "google/protobuf/struct.proto";
option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/api/expr/v1beta1;expr";
option java_multiple_files = true;
option java_outer_classname = "ValueProto";
option java_package = "com.google.api.expr.v1beta1";
// Represents a CEL value.
//
// This is similar to `google.protobuf.Value`, but can represent CEL's full
// range of values.
message Value {
// Required. The valid kinds of values.
oneof kind {
// Null value.
google.protobuf.NullValue null_value = 1;
// Boolean value.
bool bool_value = 2;
// Signed integer value.
int64 int64_value = 3;
// Unsigned integer value.
uint64 uint64_value = 4;
// Floating point value.
double double_value = 5;
// UTF-8 string value.
string string_value = 6;
// Byte string value.
bytes bytes_value = 7;
// An enum value.
EnumValue enum_value = 9;
// The proto message backing an object value.
google.protobuf.Any object_value = 10;
// Map value.
MapValue map_value = 11;
// List value.
ListValue list_value = 12;
// A Type value represented by the fully qualified name of the type.
string type_value = 15;
}
}
// An enum value.
message EnumValue {
// The fully qualified name of the enum type.
string type = 1;
// The value of the enum.
int32 value = 2;
}
// A list.
//
// Wrapped in a message so 'not set' and empty can be differentiated, which is
// required for use in a 'oneof'.
message ListValue {
// The ordered values in the list.
repeated Value values = 1;
}
// A map.
//
// Wrapped in a message so 'not set' and empty can be differentiated, which is
// required for use in a 'oneof'.
message MapValue {
// An entry in the map.
message Entry {
// The key.
//
// Must be unique with in the map.
// Currently only boolean, int, uint, and string values can be keys.
Value key = 1;
// The value.
Value value = 2;
}
// The set of map entries.
//
// CEL has fewer restrictions on keys, so a protobuf map represenation
// cannot be used.
repeated Entry entries = 1;
}