Language Server Index Format

home code edit

Language Server Index Format, aka Language Server Index Format, is a json format created in 2019 by Dan Adler.

Source code:

git clone https://github.com/lsif/lsif.github.io

#1220on PLDB

5Years Old

https://lsif.dev

Language Server Index Format website
Language Server Index Format is developed on GitHub and has 8 stars
Language Server Index Format first developed in Sourcegraph

Example from the web:

// a vertex representing the document
{ id: 1, type: "vertex", label: "document", uri: "file:///Users/username/sample.ts", languageId: "typescript" }
// a vertex representing the range for the identifier bar
{ id: 4, type: "vertex", label: "range", start: { line: 0, character: 9}, end: { line: 0, character: 12 } }
// an edge saying that the document with id 1 contains the range with id 4
{ id: 5, type: "edge", label: "contains", outV: 1, inV: 4}
// a vertex representing the actual hover result
{ id: 6, type: "vertex", label: "hoverResult",
  result: {
    contents: [
      { language: "typescript", value: "function bar(): void" }
    ]
  }
}
// an edge linking the hover result to the range.
{ id: 7, type: "edge", label: "textDocument/hover", outV: 4, inV: 6 }

Feature	Supported	Token	Example
Comments	✓		// A comment
Line Comments	✓	//	// A comment
Semantic Indentation	X

Language Server Index Format

Language Server Index Format - Json format

Language features