+++ /dev/null
-
-// for us typescript ignorati, having an import makes this file a module
-import * as fs from 'fs';
-import * as ts from 'typescript';
-
-// This file contains various utilities having to do with producing strings
-// and managing output
-
-// ------ create files
-let dir = process.env['HOME'];
-const srcDir = '/vscode-languageserver-node'
-export const fnames = [
- `${dir}${srcDir}/protocol/src/common/protocol.ts`,
- `${dir}/${srcDir}/protocol/src/browser/main.ts`, `${dir}${srcDir}/types/src/main.ts`,
- `${dir}${srcDir}/jsonrpc/src/node/main.ts`
-];
-export const gitHash = '60a5a7825e6f54f57917091f394fd8db7d1724bc'
-let outFname = 'tsprotocol.go';
-let fda: number, fdb: number, fde: number; // file descriptors
-
-export function createOutputFiles() {
- fda = fs.openSync('/tmp/ts-a', 'w') // dump of AST
- fdb = fs.openSync('/tmp/ts-b', 'w') // unused, for debugging
- fde = fs.openSync(outFname, 'w') // generated Go
-}
-export function pra(s: string) {
- return (fs.writeSync(fda, s))
-}
-export function prb(s: string) {
- return (fs.writeSync(fdb, s))
-}
-export function prgo(s: string) {
- return (fs.writeSync(fde, s))
-}
-
-// Get the hash value of the git commit
-export function git(): string {
- let a = fs.readFileSync(`${dir}${srcDir}/.git/HEAD`).toString();
- // ref: refs/heads/foo, or a hash like
- // cc12d1a1c7df935012cdef5d085cdba04a7c8ebe
- if (a.charAt(a.length - 1) == '\n') {
- a = a.substring(0, a.length - 1);
- }
- if (a.length == 40) {
- return a // a hash
- }
- if (a.substring(0, 5) == 'ref: ') {
- const fname = `${dir}${srcDir}/.git/` + a.substring(5);
- let b = fs.readFileSync(fname).toString()
- if (b.length == 41) {
- return b.substring(0, 40);
- }
- }
- throw new Error('failed to find the git commit hash')
-}
-
-// Produce a header for Go output files
-export function computeHeader(pkgDoc: boolean): string {
- let lastMod = 0
- let lastDate: Date
- for (const f of fnames) {
- const st = fs.statSync(f)
- if (st.mtimeMs > lastMod) {
- lastMod = st.mtimeMs
- lastDate = st.mtime
- }
- }
- const a =
- `// Package protocol contains data types and code for LSP jsonrpcs\n` +
- `// generated automatically from vscode-languageserver-node\n` +
- `// commit: ${gitHash}\n` +
- `// last fetched ${lastDate}\n`
- const b = 'package protocol\n'
- const c = `\n// Code generated (see typescript/README.md) DO NOT EDIT.\n\n`
- if (pkgDoc) {
- return a + b + c
- }
- else {
- return b + a + c
- }
-};
-
-// Turn a typescript name into an exportable Go name, and appease lint
-export function goName(s: string): string {
- let ans = s
- if (s.charAt(0) == '_') {
- ans = 'Inner' + s.substring(1)
- }
- else { ans = s.substring(0, 1).toUpperCase() + s.substring(1) };
- ans = ans.replace(/Uri$/, 'URI')
- ans = ans.replace(/Id$/, 'ID')
- return ans
-}
-
-// Generate JSON tag for a struct field
-export function JSON(n: ts.PropertySignature): string {
- const json = `\`json:"${n.name.getText()}${
- n.questionToken != undefined ? ',omitempty' : ''}"\``;
- return json
-}
-
-// Generate modifying prefixes and suffixes to ensure
-// consts are unique. (Go consts are package-level, but Typescript's are
-// not.) Use suffixes to minimize changes to gopls.
-export function constName(nm: string, type: string): string {
- let pref = new Map<string, string>([
- ['DiagnosticSeverity', 'Severity'], ['WatchKind', 'Watch'],
- ['SignatureHelpTriggerKind', 'Sig'], ['CompletionItemTag', 'Compl']
- ]) // typeName->prefix
- let suff = new Map<string, string>([
- ['CompletionItemKind', 'Completion'], ['InsertTextFormat', 'TextFormat'],
- ['SymbolTag', 'Symbol']
- ])
- let ans = nm;
- if (pref.get(type)) ans = pref.get(type) + ans;
- if (suff.has(type)) ans = ans + suff.get(type)
- return ans
-}
-
-// Find the comments associated with an AST node
-export function getComments(node: ts.Node): string {
- const sf = node.getSourceFile();
- const start = node.getStart(sf, false)
- const starta = node.getStart(sf, true)
- const x = sf.text.substring(starta, start)
- return x
-}
-
-
-// --------- printing the AST, for debugging
-
-export function printAST(program: ts.Program) {
- // dump the ast, for debugging
- const f = function (n: ts.Node) {
- describe(n, pra)
- };
- for (const sourceFile of program.getSourceFiles()) {
- if (!sourceFile.isDeclarationFile) {
- // walk the tree to do stuff
- ts.forEachChild(sourceFile, f);
- }
- }
- pra('\n')
- for (const key of Object.keys(seenThings).sort()) {
- pra(`${key}: ${seenThings[key]} \n`)
- }
-}
-
-// Used in printing the AST
-let seenThings = new Map<string, number>();
-function seenAdd(x: string) {
- seenThings[x] = (seenThings[x] === undefined ? 1 : seenThings[x] + 1)
-}
-
-function describe(node: ts.Node, pr: (s: string) => any) {
- if (node === undefined) {
- return
- }
- let indent = '';
-
- function f(n: ts.Node) {
- seenAdd(kinds(n))
- if (ts.isIdentifier(n)) {
- pr(`${indent} ${loc(n)} ${strKind(n)} ${n.text} \n`)
- }
- else if (ts.isPropertySignature(n) || ts.isEnumMember(n)) {
- pra(`${indent} ${loc(n)} ${strKind(n)} \n`)
- }
- else if (ts.isTypeLiteralNode(n)) {
- let m = n.members
- pr(`${indent} ${loc(n)} ${strKind(n)} ${m.length} \n`)
- }
- else if (ts.isStringLiteral(n)) {
- pr(`${indent} ${loc(n)} ${strKind(n)} ${n.text} \n`)
- }
- else { pr(`${indent} ${loc(n)} ${strKind(n)} \n`) };
- indent += ' .'
- ts.forEachChild(n, f)
- indent = indent.slice(0, indent.length - 2)
- }
- f(node)
-}
-
-
-// For debugging, say where an AST node is in a file
-export function loc(node: ts.Node): string {
- const sf = node.getSourceFile();
- const start = node.getStart()
- const x = sf.getLineAndCharacterOfPosition(start)
- const full = node.getFullStart()
- const y = sf.getLineAndCharacterOfPosition(full)
- let fn = sf.fileName
- const n = fn.search(/-node./)
- fn = fn.substring(n + 6)
- return `${fn} ${x.line + 1}: ${x.character + 1} (${y.line + 1}: ${
- y.character + 1})`
-}
-// --- various string stuff
-
-// return a string of the kinds of the immediate descendants
-// as part of printing the AST tree
-function kinds(n: ts.Node): string {
- let res = 'Seen ' + strKind(n);
- function f(n: ts.Node): void { res += ' ' + strKind(n) };
- ts.forEachChild(n, f)
- return res
-}
-
-// What kind of AST node is it? This would just be typescript's
-// SyntaxKind[n.kind] except that the default names for some nodes
-// are misleading
-export function strKind(n: ts.Node): string {
- if (n == null || n == undefined) {
- return 'null'
- }
- const x = ts.SyntaxKind[n.kind];
- // some of these have two names
- switch (x) {
- default:
- return x;
- case 'FirstAssignment':
- return 'EqualsToken';
- case 'FirstBinaryOperator':
- return 'LessThanToken';
- case 'FirstCompoundAssignment':
- return 'PlusEqualsToken';
- case 'FirstContextualKeyword':
- return 'AbstractKeyword';
- case 'FirstLiteralToken':
- return 'NumericLiteral';
- case 'FirstNode':
- return 'QualifiedName';
- case 'FirstTemplateToken':
- return 'NoSubstitutionTemplateLiteral';
- case 'LastTemplateToken':
- return 'TemplateTail';
- case 'FirstTypeNode':
- return 'TypePredicate';
- }
-}
projects / dotfiles / .git / blobdiff