from message google.protobuf.SourceCodeInfo.Location




leadingComments?: string

If this SourceCodeInfo represents a complete declaration, these are any comments appearing before and after the declaration which appear to be attached to the declaration.

A series of line comments appearing on consecutive lines, with no other tokens appearing on those lines, will be treated as a single comment.

leading_detached_comments will keep paragraphs of comments that appear before (but not connected to) the current element. Each paragraph, separated by empty lines, will be one comment element in the repeated field.

Only the comment content is provided; comment markers (e.g. //) are stripped out. For block comments, leading whitespace and an asterisk will be stripped from the beginning of each line other than the first. Newlines are included in the output.


optional int32 foo = 1; // Comment attached to foo. // Comment attached to bar. optional int32 bar = 2;

optional string baz = 3; // Comment attached to baz. // Another line attached to baz.

// Comment attached to moo. // // Another line attached to moo. optional double moo = 4;

// Detached comment for corge. This is not leading or trailing comments // to moo or corge because there are blank lines separating it from // both.

// Detached comment for corge paragraph 2.

optional string corge = 5; /* Block comment attached

  • to corge. Leading asterisks
  • will be removed. / / Block comment attached to
  • grault. */ optional int32 grault = 6;

// ignored detached comments.


from field: optional string leading_comments = 3;

leadingDetachedComments: string[]


from field: repeated string leading_detached_comments = 6;

path: number[]

Identifies which part of the FileDescriptorProto was defined at this location.

Each element is a field number or an index. They form a path from the root FileDescriptorProto to the place where the definition occurs. For example, this path: [ 4, 3, 2, 7, 1 ] refers to: file.message_type(3) // 4, 3 .field(7) // 2, 7 .name() // 1 This is because FileDescriptorProto.message_type has field number 4: repeated DescriptorProto message_type = 4; and DescriptorProto.field has field number 2: repeated FieldDescriptorProto field = 2; and has field number 1: optional string name = 1;

Thus, the above path gives the location of a field name. If we removed the last element: [ 4, 3, 2, 7 ] this path refers to the whole field declaration (from the beginning of the label to the terminating semicolon).


from field: repeated int32 path = 1 [packed = true];

span: number[]

Always has exactly three or four elements: start line, start column, end line (optional, otherwise assumed same as start line), end column. These are packed into a single field for efficiency. Note that line and column numbers are zero-based -- typically you will want to add 1 to each before displaying to a user.


from field: repeated int32 span = 2 [packed = true];

trailingComments?: string


from field: optional string trailing_comments = 4;

fields: FieldList
runtime: ProtoRuntime
typeName: "google.protobuf.SourceCodeInfo.Location" = "google.protobuf.SourceCodeInfo.Location"


  • Parse from binary data, merging fields.

    Repeated fields are appended. Map entries are added, overwriting existing keys.

    If a message field is already present, it will be merged with the new data.


    Returns SourceCodeInfo_Location

  • Serialize the message to binary data.


    Returns Uint8Array

  • Override for serialization behavior. This will be invoked when calling JSON.stringify on this message (i.e. JSON.stringify(msg)).

    Note that this will not serialize google.protobuf.Any with a packed message because the protobuf JSON format specifies that it needs to be unpacked, and this is only possible with a type registry to look up the message type. As a result, attempting to serialize a message with this type will throw an Error.

    This method is protected because you should not need to invoke it directly -- instead use JSON.stringify or toJsonString for stringified JSON. Alternatively, if actual JSON is desired, you should use toJson.

    Returns JsonValue

  • Serialize the message to a JSON value, a JavaScript value that can be passed to JSON.stringify().


    Returns JsonValue

  • Serialize the message to a JSON string.


    Returns string

  • Parameters

    Returns SourceCodeInfo_Location

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