Module backend

Contains the structure and implementation of the Language Server Protocol.

Structs

Backend

The Backend struct implements the LanguageServer trait, and thus must provide implementations for its methods. Most imporant methods includes:

Completions

Represents the completion items that will be returned to the client when requested.

ExecuteCommandParseResponse

Represents the response from the parse command.

ExecuteCommandParseStatement

Represents the structure a client uses to understand statement’s kind and sql content.

InitializeOptions

Contains customizable options send by the client.

ParseResult

This is a re-implementation of mz_sql_parser::parser::StatementParseResult but replacing the sql code with a rope.

Schema

Represents the current schema, database and all its objects the client is using.

SchemaObject

Represents a Materialize object present in the schema, and its columns.

SchemaObjectColumn

Represents a column from an [ObjectType

TextDocumentItem 🔒

Enums

ObjectType

Represents each possible object type admissible by the LSP.

Constants

DEFAULT_FORMATTING_WIDTH

Default formatting width to use in the LanguageServer::formatting implementation.

Functions

build_error 🔒

Builds a tower_lsp::jsonrpc::Error

offset_to_position 🔒

This function is a helper function that converts an offset in the file to a (line, column).

position_to_offset 🔒

This function converts a (line, column) position in the text to an offset in the file.