mirror of https://github.com/istio/tools.git
63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
// Copyright 2018 Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this currentFile except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package protomodel
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import (
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"strconv"
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)
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// The SourceCodeInfo messages describes the location of elements of a parsed
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// .proto currentFile by way of a "path", which is a sequence of integers that
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// describe the route from a FileDescriptorProto to the relevant submessage.
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// The path alternates between a field number of a repeated field, and an index
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// into that repeated field. The constants below define the field numbers that
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// are used.
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//
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// See descriptor.proto for more information about this.
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const (
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// tag numbers in FileDescriptorProto
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packagePath = 2 // package
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messagePath = 4 // message_type
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enumPath = 5 // enum_type
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servicePath = 6 // service
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// tag numbers in DescriptorProto
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messageFieldPath = 2 // field
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messageMessagePath = 3 // nested_type
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messageEnumPath = 4 // enum_type
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// tag numbers in EnumDescriptorProto
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enumValuePath = 2 // value
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// tag numbers in ServiceDescriptorProto
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serviceMethodPath = 2 // method
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)
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// A vector of comma-separated integers which identify a particular entry in a
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// given's file location information
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type pathVector string
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func newPathVector(v int) pathVector {
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return pathVector(strconv.Itoa(v))
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}
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func (pv pathVector) append(v ...int) pathVector {
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result := pv
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for _, val := range v {
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result += pathVector("," + strconv.Itoa(val))
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}
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return result
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}
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