expr/v1beta1/expr.pb.go

// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google/api/expr/v1beta1/expr.proto

package expr

import (
	fmt "fmt"
	math "math"

	proto "github.com/golang/protobuf/proto"
	_struct "github.com/golang/protobuf/ptypes/struct"
)

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package

// An expression together with source information as returned by the parser.
type ParsedExpr struct {
	// The parsed expression.
	Expr *Expr `protobuf:"bytes,2,opt,name=expr,proto3" json:"expr,omitempty"`
	// The source info derived from input that generated the parsed `expr`.
	SourceInfo *SourceInfo `protobuf:"bytes,3,opt,name=source_info,json=sourceInfo,proto3" json:"source_info,omitempty"`
	// The syntax version of the source, e.g. `cel1`.
	SyntaxVersion        string   `protobuf:"bytes,4,opt,name=syntax_version,json=syntaxVersion,proto3" json:"syntax_version,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *ParsedExpr) Reset()         { *m = ParsedExpr{} }
func (m *ParsedExpr) String() string { return proto.CompactTextString(m) }
func (*ParsedExpr) ProtoMessage()    {}
func (*ParsedExpr) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{0}
}

func (m *ParsedExpr) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_ParsedExpr.Unmarshal(m, b)
}
func (m *ParsedExpr) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_ParsedExpr.Marshal(b, m, deterministic)
}
func (m *ParsedExpr) XXX_Merge(src proto.Message) {
	xxx_messageInfo_ParsedExpr.Merge(m, src)
}
func (m *ParsedExpr) XXX_Size() int {
	return xxx_messageInfo_ParsedExpr.Size(m)
}
func (m *ParsedExpr) XXX_DiscardUnknown() {
	xxx_messageInfo_ParsedExpr.DiscardUnknown(m)
}

var xxx_messageInfo_ParsedExpr proto.InternalMessageInfo

func (m *ParsedExpr) GetExpr() *Expr {
	if m != nil {
		return m.Expr
	}
	return nil
}

func (m *ParsedExpr) GetSourceInfo() *SourceInfo {
	if m != nil {
		return m.SourceInfo
	}
	return nil
}

func (m *ParsedExpr) GetSyntaxVersion() string {
	if m != nil {
		return m.SyntaxVersion
	}
	return ""
}

// 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`.
type Expr struct {
	// 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.
	Id int32 `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
	// Required. Variants of expressions.
	//
	// Types that are valid to be assigned to ExprKind:
	//	*Expr_LiteralExpr
	//	*Expr_IdentExpr
	//	*Expr_SelectExpr
	//	*Expr_CallExpr
	//	*Expr_ListExpr
	//	*Expr_StructExpr
	//	*Expr_ComprehensionExpr
	ExprKind             isExpr_ExprKind `protobuf_oneof:"expr_kind"`
	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
	XXX_unrecognized     []byte          `json:"-"`
	XXX_sizecache        int32           `json:"-"`
}

func (m *Expr) Reset()         { *m = Expr{} }
func (m *Expr) String() string { return proto.CompactTextString(m) }
func (*Expr) ProtoMessage()    {}
func (*Expr) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1}
}

func (m *Expr) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr.Unmarshal(m, b)
}
func (m *Expr) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr.Marshal(b, m, deterministic)
}
func (m *Expr) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr.Merge(m, src)
}
func (m *Expr) XXX_Size() int {
	return xxx_messageInfo_Expr.Size(m)
}
func (m *Expr) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr.DiscardUnknown(m)
}

var xxx_messageInfo_Expr proto.InternalMessageInfo

func (m *Expr) GetId() int32 {
	if m != nil {
		return m.Id
	}
	return 0
}

type isExpr_ExprKind interface {
	isExpr_ExprKind()
}

type Expr_LiteralExpr struct {
	LiteralExpr *Literal `protobuf:"bytes,3,opt,name=literal_expr,json=literalExpr,proto3,oneof"`
}

type Expr_IdentExpr struct {
	IdentExpr *Expr_Ident `protobuf:"bytes,4,opt,name=ident_expr,json=identExpr,proto3,oneof"`
}

type Expr_SelectExpr struct {
	SelectExpr *Expr_Select `protobuf:"bytes,5,opt,name=select_expr,json=selectExpr,proto3,oneof"`
}

type Expr_CallExpr struct {
	CallExpr *Expr_Call `protobuf:"bytes,6,opt,name=call_expr,json=callExpr,proto3,oneof"`
}

type Expr_ListExpr struct {
	ListExpr *Expr_CreateList `protobuf:"bytes,7,opt,name=list_expr,json=listExpr,proto3,oneof"`
}

type Expr_StructExpr struct {
	StructExpr *Expr_CreateStruct `protobuf:"bytes,8,opt,name=struct_expr,json=structExpr,proto3,oneof"`
}

type Expr_ComprehensionExpr struct {
	ComprehensionExpr *Expr_Comprehension `protobuf:"bytes,9,opt,name=comprehension_expr,json=comprehensionExpr,proto3,oneof"`
}

func (*Expr_LiteralExpr) isExpr_ExprKind() {}

func (*Expr_IdentExpr) isExpr_ExprKind() {}

func (*Expr_SelectExpr) isExpr_ExprKind() {}

func (*Expr_CallExpr) isExpr_ExprKind() {}

func (*Expr_ListExpr) isExpr_ExprKind() {}

func (*Expr_StructExpr) isExpr_ExprKind() {}

func (*Expr_ComprehensionExpr) isExpr_ExprKind() {}

func (m *Expr) GetExprKind() isExpr_ExprKind {
	if m != nil {
		return m.ExprKind
	}
	return nil
}

func (m *Expr) GetLiteralExpr() *Literal {
	if x, ok := m.GetExprKind().(*Expr_LiteralExpr); ok {
		return x.LiteralExpr
	}
	return nil
}

func (m *Expr) GetIdentExpr() *Expr_Ident {
	if x, ok := m.GetExprKind().(*Expr_IdentExpr); ok {
		return x.IdentExpr
	}
	return nil
}

func (m *Expr) GetSelectExpr() *Expr_Select {
	if x, ok := m.GetExprKind().(*Expr_SelectExpr); ok {
		return x.SelectExpr
	}
	return nil
}

func (m *Expr) GetCallExpr() *Expr_Call {
	if x, ok := m.GetExprKind().(*Expr_CallExpr); ok {
		return x.CallExpr
	}
	return nil
}

func (m *Expr) GetListExpr() *Expr_CreateList {
	if x, ok := m.GetExprKind().(*Expr_ListExpr); ok {
		return x.ListExpr
	}
	return nil
}

func (m *Expr) GetStructExpr() *Expr_CreateStruct {
	if x, ok := m.GetExprKind().(*Expr_StructExpr); ok {
		return x.StructExpr
	}
	return nil
}

func (m *Expr) GetComprehensionExpr() *Expr_Comprehension {
	if x, ok := m.GetExprKind().(*Expr_ComprehensionExpr); ok {
		return x.ComprehensionExpr
	}
	return nil
}

// XXX_OneofWrappers is for the internal use of the proto package.
func (*Expr) XXX_OneofWrappers() []interface{} {
	return []interface{}{
		(*Expr_LiteralExpr)(nil),
		(*Expr_IdentExpr)(nil),
		(*Expr_SelectExpr)(nil),
		(*Expr_CallExpr)(nil),
		(*Expr_ListExpr)(nil),
		(*Expr_StructExpr)(nil),
		(*Expr_ComprehensionExpr)(nil),
	}
}

// An identifier expression. e.g. `request`.
type Expr_Ident struct {
	// 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.
	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_Ident) Reset()         { *m = Expr_Ident{} }
func (m *Expr_Ident) String() string { return proto.CompactTextString(m) }
func (*Expr_Ident) ProtoMessage()    {}
func (*Expr_Ident) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 0}
}

func (m *Expr_Ident) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_Ident.Unmarshal(m, b)
}
func (m *Expr_Ident) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_Ident.Marshal(b, m, deterministic)
}
func (m *Expr_Ident) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_Ident.Merge(m, src)
}
func (m *Expr_Ident) XXX_Size() int {
	return xxx_messageInfo_Expr_Ident.Size(m)
}
func (m *Expr_Ident) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_Ident.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_Ident proto.InternalMessageInfo

func (m *Expr_Ident) GetName() string {
	if m != nil {
		return m.Name
	}
	return ""
}

// A field selection expression. e.g. `request.auth`.
type Expr_Select struct {
	// Required. The target of the selection expression.
	//
	// For example, in the select expression `request.auth`, the `request`
	// portion of the expression is the `operand`.
	Operand *Expr `protobuf:"bytes,1,opt,name=operand,proto3" json:"operand,omitempty"`
	// 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`.
	Field string `protobuf:"bytes,2,opt,name=field,proto3" json:"field,omitempty"`
	// Whether the select is to be interpreted as a field presence test.
	//
	// This results from the macro `has(request.auth)`.
	TestOnly             bool     `protobuf:"varint,3,opt,name=test_only,json=testOnly,proto3" json:"test_only,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_Select) Reset()         { *m = Expr_Select{} }
func (m *Expr_Select) String() string { return proto.CompactTextString(m) }
func (*Expr_Select) ProtoMessage()    {}
func (*Expr_Select) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 1}
}

func (m *Expr_Select) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_Select.Unmarshal(m, b)
}
func (m *Expr_Select) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_Select.Marshal(b, m, deterministic)
}
func (m *Expr_Select) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_Select.Merge(m, src)
}
func (m *Expr_Select) XXX_Size() int {
	return xxx_messageInfo_Expr_Select.Size(m)
}
func (m *Expr_Select) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_Select.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_Select proto.InternalMessageInfo

func (m *Expr_Select) GetOperand() *Expr {
	if m != nil {
		return m.Operand
	}
	return nil
}

func (m *Expr_Select) GetField() string {
	if m != nil {
		return m.Field
	}
	return ""
}

func (m *Expr_Select) GetTestOnly() bool {
	if m != nil {
		return m.TestOnly
	}
	return false
}

// A call expression, including calls to predefined functions and operators.
//
// For example, `value == 10`, `size(map_value)`.
type Expr_Call struct {
	// The target of an method call-style expression. For example, `x` in
	// `x.f()`.
	Target *Expr `protobuf:"bytes,1,opt,name=target,proto3" json:"target,omitempty"`
	// Required. The name of the function or method being called.
	Function string `protobuf:"bytes,2,opt,name=function,proto3" json:"function,omitempty"`
	// The arguments.
	Args                 []*Expr  `protobuf:"bytes,3,rep,name=args,proto3" json:"args,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_Call) Reset()         { *m = Expr_Call{} }
func (m *Expr_Call) String() string { return proto.CompactTextString(m) }
func (*Expr_Call) ProtoMessage()    {}
func (*Expr_Call) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 2}
}

func (m *Expr_Call) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_Call.Unmarshal(m, b)
}
func (m *Expr_Call) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_Call.Marshal(b, m, deterministic)
}
func (m *Expr_Call) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_Call.Merge(m, src)
}
func (m *Expr_Call) XXX_Size() int {
	return xxx_messageInfo_Expr_Call.Size(m)
}
func (m *Expr_Call) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_Call.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_Call proto.InternalMessageInfo

func (m *Expr_Call) GetTarget() *Expr {
	if m != nil {
		return m.Target
	}
	return nil
}

func (m *Expr_Call) GetFunction() string {
	if m != nil {
		return m.Function
	}
	return ""
}

func (m *Expr_Call) GetArgs() []*Expr {
	if m != nil {
		return m.Args
	}
	return nil
}

// A list creation expression.
//
// Lists may either be homogenous, e.g. `[1, 2, 3]`, or heterogenous, e.g.
// `dyn([1, 'hello', 2.0])`
type Expr_CreateList struct {
	// The elements part of the list.
	Elements             []*Expr  `protobuf:"bytes,1,rep,name=elements,proto3" json:"elements,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_CreateList) Reset()         { *m = Expr_CreateList{} }
func (m *Expr_CreateList) String() string { return proto.CompactTextString(m) }
func (*Expr_CreateList) ProtoMessage()    {}
func (*Expr_CreateList) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 3}
}

func (m *Expr_CreateList) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_CreateList.Unmarshal(m, b)
}
func (m *Expr_CreateList) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_CreateList.Marshal(b, m, deterministic)
}
func (m *Expr_CreateList) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_CreateList.Merge(m, src)
}
func (m *Expr_CreateList) XXX_Size() int {
	return xxx_messageInfo_Expr_CreateList.Size(m)
}
func (m *Expr_CreateList) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_CreateList.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_CreateList proto.InternalMessageInfo

func (m *Expr_CreateList) GetElements() []*Expr {
	if m != nil {
		return m.Elements
	}
	return nil
}

// 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'}`.
type Expr_CreateStruct struct {
	// The type name of the message to be created, empty when creating map
	// literals.
	Type string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
	// The entries in the creation expression.
	Entries              []*Expr_CreateStruct_Entry `protobuf:"bytes,2,rep,name=entries,proto3" json:"entries,omitempty"`
	XXX_NoUnkeyedLiteral struct{}                   `json:"-"`
	XXX_unrecognized     []byte                     `json:"-"`
	XXX_sizecache        int32                      `json:"-"`
}

func (m *Expr_CreateStruct) Reset()         { *m = Expr_CreateStruct{} }
func (m *Expr_CreateStruct) String() string { return proto.CompactTextString(m) }
func (*Expr_CreateStruct) ProtoMessage()    {}
func (*Expr_CreateStruct) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 4}
}

func (m *Expr_CreateStruct) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_CreateStruct.Unmarshal(m, b)
}
func (m *Expr_CreateStruct) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_CreateStruct.Marshal(b, m, deterministic)
}
func (m *Expr_CreateStruct) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_CreateStruct.Merge(m, src)
}
func (m *Expr_CreateStruct) XXX_Size() int {
	return xxx_messageInfo_Expr_CreateStruct.Size(m)
}
func (m *Expr_CreateStruct) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_CreateStruct.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_CreateStruct proto.InternalMessageInfo

func (m *Expr_CreateStruct) GetType() string {
	if m != nil {
		return m.Type
	}
	return ""
}

func (m *Expr_CreateStruct) GetEntries() []*Expr_CreateStruct_Entry {
	if m != nil {
		return m.Entries
	}
	return nil
}

// Represents an entry.
type Expr_CreateStruct_Entry struct {
	// 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.
	Id int32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
	// The `Entry` key kinds.
	//
	// Types that are valid to be assigned to KeyKind:
	//	*Expr_CreateStruct_Entry_FieldKey
	//	*Expr_CreateStruct_Entry_MapKey
	KeyKind isExpr_CreateStruct_Entry_KeyKind `protobuf_oneof:"key_kind"`
	// Required. The value assigned to the key.
	Value                *Expr    `protobuf:"bytes,4,opt,name=value,proto3" json:"value,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_CreateStruct_Entry) Reset()         { *m = Expr_CreateStruct_Entry{} }
func (m *Expr_CreateStruct_Entry) String() string { return proto.CompactTextString(m) }
func (*Expr_CreateStruct_Entry) ProtoMessage()    {}
func (*Expr_CreateStruct_Entry) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 4, 0}
}

func (m *Expr_CreateStruct_Entry) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_CreateStruct_Entry.Unmarshal(m, b)
}
func (m *Expr_CreateStruct_Entry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_CreateStruct_Entry.Marshal(b, m, deterministic)
}
func (m *Expr_CreateStruct_Entry) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_CreateStruct_Entry.Merge(m, src)
}
func (m *Expr_CreateStruct_Entry) XXX_Size() int {
	return xxx_messageInfo_Expr_CreateStruct_Entry.Size(m)
}
func (m *Expr_CreateStruct_Entry) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_CreateStruct_Entry.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_CreateStruct_Entry proto.InternalMessageInfo

func (m *Expr_CreateStruct_Entry) GetId() int32 {
	if m != nil {
		return m.Id
	}
	return 0
}

type isExpr_CreateStruct_Entry_KeyKind interface {
	isExpr_CreateStruct_Entry_KeyKind()
}

type Expr_CreateStruct_Entry_FieldKey struct {
	FieldKey string `protobuf:"bytes,2,opt,name=field_key,json=fieldKey,proto3,oneof"`
}

type Expr_CreateStruct_Entry_MapKey struct {
	MapKey *Expr `protobuf:"bytes,3,opt,name=map_key,json=mapKey,proto3,oneof"`
}

func (*Expr_CreateStruct_Entry_FieldKey) isExpr_CreateStruct_Entry_KeyKind() {}

func (*Expr_CreateStruct_Entry_MapKey) isExpr_CreateStruct_Entry_KeyKind() {}

func (m *Expr_CreateStruct_Entry) GetKeyKind() isExpr_CreateStruct_Entry_KeyKind {
	if m != nil {
		return m.KeyKind
	}
	return nil
}

func (m *Expr_CreateStruct_Entry) GetFieldKey() string {
	if x, ok := m.GetKeyKind().(*Expr_CreateStruct_Entry_FieldKey); ok {
		return x.FieldKey
	}
	return ""
}

func (m *Expr_CreateStruct_Entry) GetMapKey() *Expr {
	if x, ok := m.GetKeyKind().(*Expr_CreateStruct_Entry_MapKey); ok {
		return x.MapKey
	}
	return nil
}

func (m *Expr_CreateStruct_Entry) GetValue() *Expr {
	if m != nil {
		return m.Value
	}
	return nil
}

// XXX_OneofWrappers is for the internal use of the proto package.
func (*Expr_CreateStruct_Entry) XXX_OneofWrappers() []interface{} {
	return []interface{}{
		(*Expr_CreateStruct_Entry_FieldKey)(nil),
		(*Expr_CreateStruct_Entry_MapKey)(nil),
	}
}

// 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`.
type Expr_Comprehension struct {
	// The name of the iteration variable.
	IterVar string `protobuf:"bytes,1,opt,name=iter_var,json=iterVar,proto3" json:"iter_var,omitempty"`
	// The range over which var iterates.
	IterRange *Expr `protobuf:"bytes,2,opt,name=iter_range,json=iterRange,proto3" json:"iter_range,omitempty"`
	// The name of the variable used for accumulation of the result.
	AccuVar string `protobuf:"bytes,3,opt,name=accu_var,json=accuVar,proto3" json:"accu_var,omitempty"`
	// The initial value of the accumulator.
	AccuInit *Expr `protobuf:"bytes,4,opt,name=accu_init,json=accuInit,proto3" json:"accu_init,omitempty"`
	// 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.
	LoopCondition *Expr `protobuf:"bytes,5,opt,name=loop_condition,json=loopCondition,proto3" json:"loop_condition,omitempty"`
	// An expression which can contain iter_var and accu_var.
	//
	// Computes the next value of accu_var.
	LoopStep *Expr `protobuf:"bytes,6,opt,name=loop_step,json=loopStep,proto3" json:"loop_step,omitempty"`
	// An expression which can contain accu_var.
	//
	// Computes the result.
	Result               *Expr    `protobuf:"bytes,7,opt,name=result,proto3" json:"result,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (m *Expr_Comprehension) Reset()         { *m = Expr_Comprehension{} }
func (m *Expr_Comprehension) String() string { return proto.CompactTextString(m) }
func (*Expr_Comprehension) ProtoMessage()    {}
func (*Expr_Comprehension) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{1, 5}
}

func (m *Expr_Comprehension) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Expr_Comprehension.Unmarshal(m, b)
}
func (m *Expr_Comprehension) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Expr_Comprehension.Marshal(b, m, deterministic)
}
func (m *Expr_Comprehension) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Expr_Comprehension.Merge(m, src)
}
func (m *Expr_Comprehension) XXX_Size() int {
	return xxx_messageInfo_Expr_Comprehension.Size(m)
}
func (m *Expr_Comprehension) XXX_DiscardUnknown() {
	xxx_messageInfo_Expr_Comprehension.DiscardUnknown(m)
}

var xxx_messageInfo_Expr_Comprehension proto.InternalMessageInfo

func (m *Expr_Comprehension) GetIterVar() string {
	if m != nil {
		return m.IterVar
	}
	return ""
}

func (m *Expr_Comprehension) GetIterRange() *Expr {
	if m != nil {
		return m.IterRange
	}
	return nil
}

func (m *Expr_Comprehension) GetAccuVar() string {
	if m != nil {
		return m.AccuVar
	}
	return ""
}

func (m *Expr_Comprehension) GetAccuInit() *Expr {
	if m != nil {
		return m.AccuInit
	}
	return nil
}

func (m *Expr_Comprehension) GetLoopCondition() *Expr {
	if m != nil {
		return m.LoopCondition
	}
	return nil
}

func (m *Expr_Comprehension) GetLoopStep() *Expr {
	if m != nil {
		return m.LoopStep
	}
	return nil
}

func (m *Expr_Comprehension) GetResult() *Expr {
	if m != nil {
		return m.Result
	}
	return nil
}

// 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`.
type Literal struct {
	// Required. The valid constant kinds.
	//
	// Types that are valid to be assigned to ConstantKind:
	//	*Literal_NullValue
	//	*Literal_BoolValue
	//	*Literal_Int64Value
	//	*Literal_Uint64Value
	//	*Literal_DoubleValue
	//	*Literal_StringValue
	//	*Literal_BytesValue
	ConstantKind         isLiteral_ConstantKind `protobuf_oneof:"constant_kind"`
	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
	XXX_unrecognized     []byte                 `json:"-"`
	XXX_sizecache        int32                  `json:"-"`
}

func (m *Literal) Reset()         { *m = Literal{} }
func (m *Literal) String() string { return proto.CompactTextString(m) }
func (*Literal) ProtoMessage()    {}
func (*Literal) Descriptor() ([]byte, []int) {
	return fileDescriptor_fb180304f2777248, []int{2}
}

func (m *Literal) XXX_Unmarshal(b []byte) error {
	return xxx_messageInfo_Literal.Unmarshal(m, b)
}
func (m *Literal) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
	return xxx_messageInfo_Literal.Marshal(b, m, deterministic)
}
func (m *Literal) XXX_Merge(src proto.Message) {
	xxx_messageInfo_Literal.Merge(m, src)
}
func (m *Literal) XXX_Size() int {
	return xxx_messageInfo_Literal.Size(m)
}
func (m *Literal) XXX_DiscardUnknown() {
	xxx_messageInfo_Literal.DiscardUnknown(m)
}

var xxx_messageInfo_Literal proto.InternalMessageInfo

type isLiteral_ConstantKind interface {
	isLiteral_ConstantKind()
}

type Literal_NullValue struct {
	NullValue _struct.NullValue `protobuf:"varint,1,opt,name=null_value,json=nullValue,proto3,enum=google.protobuf.NullValue,oneof"`
}

type Literal_BoolValue struct {
	BoolValue bool `protobuf:"varint,2,opt,name=bool_value,json=boolValue,proto3,oneof"`
}

type Literal_Int64Value struct {
	Int64Value int64 `protobuf:"varint,3,opt,name=int64_value,json=int64Value,proto3,oneof"`
}

type Literal_Uint64Value struct {
	Uint64Value uint64 `protobuf:"varint,4,opt,name=uint64_value,json=uint64Value,proto3,oneof"`
}

type Literal_DoubleValue struct {
	DoubleValue float64 `protobuf:"fixed64,5,opt,name=double_value,json=doubleValue,proto3,oneof"`
}

type Literal_StringValue struct {
	StringValue string `protobuf:"bytes,6,opt,name=string_value,json=stringValue,proto3,oneof"`
}

type Literal_BytesValue struct {
	BytesValue []byte `protobuf:"bytes,7,opt,name=bytes_value,json=bytesValue,proto3,oneof"`
}

func (*Literal_NullValue) isLiteral_ConstantKind() {}

func (*Literal_BoolValue) isLiteral_ConstantKind() {}

func (*Literal_Int64Value) isLiteral_ConstantKind() {}

func (*Literal_Uint64Value) isLiteral_ConstantKind() {}

func (*Literal_DoubleValue) isLiteral_ConstantKind() {}

func (*Literal_StringValue) isLiteral_ConstantKind() {}

func (*Literal_BytesValue) isLiteral_ConstantKind() {}

func (m *Literal) GetConstantKind() isLiteral_ConstantKind {
	if m != nil {
		return m.ConstantKind
	}
	return nil
}

func (m *Literal) GetNullValue() _struct.NullValue {
	if x, ok := m.GetConstantKind().(*Literal_NullValue); ok {
		return x.NullValue
	}
	return _struct.NullValue_NULL_VALUE
}

func (m *Literal) GetBoolValue() bool {
	if x, ok := m.GetConstantKind().(*Literal_BoolValue); ok {
		return x.BoolValue
	}
	return false
}

func (m *Literal) GetInt64Value() int64 {
	if x, ok := m.GetConstantKind().(*Literal_Int64Value); ok {
		return x.Int64Value
	}
	return 0
}

func (m *Literal) GetUint64Value() uint64 {
	if x, ok := m.GetConstantKind().(*Literal_Uint64Value); ok {
		return x.Uint64Value
	}
	return 0
}

func (m *Literal) GetDoubleValue() float64 {
	if x, ok := m.GetConstantKind().(*Literal_DoubleValue); ok {
		return x.DoubleValue
	}
	return 0
}

func (m *Literal) GetStringValue() string {
	if x, ok := m.GetConstantKind().(*Literal_StringValue); ok {
		return x.StringValue
	}
	return ""
}

func (m *Literal) GetBytesValue() []byte {
	if x, ok := m.GetConstantKind().(*Literal_BytesValue); ok {
		return x.BytesValue
	}
	return nil
}

// XXX_OneofWrappers is for the internal use of the proto package.
func (*Literal) XXX_OneofWrappers() []interface{} {
	return []interface{}{
		(*Literal_NullValue)(nil),
		(*Literal_BoolValue)(nil),
		(*Literal_Int64Value)(nil),
		(*Literal_Uint64Value)(nil),
		(*Literal_DoubleValue)(nil),
		(*Literal_StringValue)(nil),
		(*Literal_BytesValue)(nil),
	}
}

func init() {
	proto.RegisterType((*ParsedExpr)(nil), "google.api.expr.v1beta1.ParsedExpr")
	proto.RegisterType((*Expr)(nil), "google.api.expr.v1beta1.Expr")
	proto.RegisterType((*Expr_Ident)(nil), "google.api.expr.v1beta1.Expr.Ident")
	proto.RegisterType((*Expr_Select)(nil), "google.api.expr.v1beta1.Expr.Select")
	proto.RegisterType((*Expr_Call)(nil), "google.api.expr.v1beta1.Expr.Call")
	proto.RegisterType((*Expr_CreateList)(nil), "google.api.expr.v1beta1.Expr.CreateList")
	proto.RegisterType((*Expr_CreateStruct)(nil), "google.api.expr.v1beta1.Expr.CreateStruct")
	proto.RegisterType((*Expr_CreateStruct_Entry)(nil), "google.api.expr.v1beta1.Expr.CreateStruct.Entry")
	proto.RegisterType((*Expr_Comprehension)(nil), "google.api.expr.v1beta1.Expr.Comprehension")
	proto.RegisterType((*Literal)(nil), "google.api.expr.v1beta1.Literal")
}

func init() {
	proto.RegisterFile("google/api/expr/v1beta1/expr.proto", fileDescriptor_fb180304f2777248)
}

var fileDescriptor_fb180304f2777248 = []byte{
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