1// Copyright 2023 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package google.api.expr.v1alpha1; 18 19import "google/api/expr/v1alpha1/value.proto"; 20 21option cc_enable_arenas = true; 22option go_package = "google.golang.org/genproto/googleapis/api/expr/v1alpha1;expr"; 23option java_multiple_files = true; 24option java_outer_classname = "ExplainProto"; 25option java_package = "com.google.api.expr.v1alpha1"; 26 27// Values of intermediate expressions produced when evaluating expression. 28// Deprecated, use `EvalState` instead. 29message Explain { 30 option deprecated = true; 31 32 // ID and value index of one step. 33 message ExprStep { 34 // ID of corresponding Expr node. 35 int64 id = 1; 36 37 // Index of the value in the values list. 38 int32 value_index = 2; 39 } 40 41 // All of the observed values. 42 // 43 // The field value_index is an index in the values list. 44 // Separating values from steps is needed to remove redundant values. 45 repeated Value values = 1; 46 47 // List of steps. 48 // 49 // Repeated evaluations of the same expression generate new ExprStep 50 // instances. The order of such ExprStep instances matches the order of 51 // elements returned by Comprehension.iter_range. 52 repeated ExprStep expr_steps = 2; 53} 54