blob: 0153fe3b68110b5f7c20840a20051a0e10fbce80 [file] [log] [blame]
/*---------------------------------------------------------
* Copyright (C) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See LICENSE in the project root for license information.
*--------------------------------------------------------*/
'use strict';
import cp = require('child_process');
import fs = require('fs');
import moment = require('moment');
import path = require('path');
import semver = require('semver');
import util = require('util');
import { goLiveErrorsEnabled } from './goLiveErrors';
import { getBinPath, getGoConfig, GoVersion } from './util';
export interface Tool {
name: string;
importPath: string;
isImportant: boolean;
description: string;
// latestVersion and latestVersionTimestamp are hardcoded default values
// for the last known version of the given tool. We also hardcode values
// for the latest known pre-release of the tool for the Nightly extension.
latestVersion?: semver.SemVer;
latestVersionTimestamp?: moment.Moment;
latestPrereleaseVersion?: semver.SemVer;
latestPrereleaseVersionTimestamp?: moment.Moment;
// minimumGoVersion and maximumGoVersion set the range for the versions of
// Go with which this tool can be used.
minimumGoVersion?: semver.SemVer;
maximumGoVersion?: semver.SemVer;
// close performs any shutdown tasks that a tool must execute before a new
// version is installed. It returns a string containing an error message on
// failure.
close?: (env: NodeJS.Dict<string>) => Promise<string>;
}
/**
* ToolAtVersion is a Tool at a specific version.
* Lack of version implies the latest version.
*/
export interface ToolAtVersion extends Tool {
version?: semver.SemVer;
}
/**
* Returns the import path for a given tool, at a given Go version.
* @param tool Object of type `Tool` for the Go tool.
* @param goVersion The current Go version.
*/
export function getImportPath(tool: Tool, goVersion: GoVersion): string {
// For older versions of Go, install the older version of gocode.
if (tool.name === 'gocode' && goVersion.lt('1.10')) {
return 'github.com/nsf/gocode';
}
return tool.importPath;
}
export function getImportPathWithVersion(tool: Tool, version: semver.SemVer, goVersion: GoVersion): string {
const importPath = getImportPath(tool, goVersion);
if (version) {
return importPath + '@v' + version;
}
return importPath;
}
/**
* Returns boolean denoting if the import path for the given tool ends with `/...`
* and if the version of Go supports installing wildcard paths in module mode.
* @param tool Object of type `Tool` for the Go tool.
* @param goVersion The current Go version.
*/
export function disableModulesForWildcard(tool: Tool, goVersion: GoVersion): boolean {
const importPath = getImportPath(tool, goVersion);
const isWildcard = importPath.endsWith('...');
// Only Go >= 1.13 supports installing wildcards in module mode.
return isWildcard && goVersion.lt('1.13');
}
export function containsTool(tools: Tool[], tool: Tool): boolean {
return tools.indexOf(tool) > -1;
}
export function containsString(tools: Tool[], toolName: string): boolean {
return tools.some((tool) => tool.name === toolName);
}
export function getTool(name: string): Tool {
return allToolsInformation[name];
}
export function getToolAtVersion(name: string, version?: semver.SemVer): ToolAtVersion {
return { ...allToolsInformation[name], version };
}
// hasModSuffix returns true if the given tool has a different, module-specific
// name to avoid conflicts.
export function hasModSuffix(tool: Tool): boolean {
return tool.name.endsWith('-gomod');
}
export function isGocode(tool: Tool): boolean {
return tool.name === 'gocode' || tool.name === 'gocode-gomod';
}
export function getConfiguredTools(goVersion: GoVersion): Tool[] {
const tools: Tool[] = [];
function maybeAddTool(name: string) {
const tool = allToolsInformation[name];
if (tool) {
tools.push(tool);
}
}
// Start with default tools that should always be installed.
for (const name of [
'gocode',
'gopkgs',
'go-outline',
'go-symbols',
'guru',
'gorename',
'gotests',
'gomodifytags',
'impl',
'fillstruct',
'goplay',
'godoctor'
]) {
maybeAddTool(name);
}
// Check if the system supports dlv, i.e. is 64-bit.
// There doesn't seem to be a good way to check if the mips and s390
// families are 64-bit, so just try to install it and hope for the best.
if (process.arch.match(/^(arm64|mips|mipsel|ppc64|s390|s390x|x64)$/)) {
maybeAddTool('dlv');
}
// gocode-gomod needed in go 1.11 & higher
if (goVersion.gt('1.10')) {
maybeAddTool('gocode-gomod');
}
const goConfig = getGoConfig();
// Add the doc/def tool that was chosen by the user.
switch (goConfig['docsTool']) {
case 'godoc':
maybeAddTool('godef');
break;
default:
maybeAddTool(goConfig['docsTool']);
break;
}
// Add the format tool that was chosen by the user.
maybeAddTool(goConfig['formatTool']);
// Add the linter that was chosen by the user.
maybeAddTool(goConfig['lintTool']);
// Add the language server for Go versions > 1.10 if user has choosen to do so.
if (goConfig['useLanguageServer'] && goVersion.gt('1.10')) {
maybeAddTool('gopls');
}
if (goLiveErrorsEnabled()) {
maybeAddTool('gotype-live');
}
return tools;
}
export const allToolsInformation: { [key: string]: Tool } = {
'gocode': {
name: 'gocode',
importPath: 'github.com/mdempsky/gocode',
isImportant: true,
description: 'Auto-completion, does not work with modules',
close: async (env: NodeJS.Dict<string>): Promise<string> => {
const toolBinPath = getBinPath('gocode');
if (!path.isAbsolute(toolBinPath)) {
return '';
}
try {
const execFile = util.promisify(cp.execFile);
const { stderr } = await execFile(toolBinPath, ['close'], {env, timeout: 10000}); // give 10sec.
if (stderr.indexOf(`rpc: can't find service Server.`) > -1) {
return `Installing gocode aborted as existing process cannot be closed. Please kill the running process for gocode and try again.`;
}
} catch (err) {
// This may fail if gocode isn't already running.
console.log(`gocode close failed: ${err}`);
}
return '';
},
},
'gocode-gomod': {
name: 'gocode-gomod',
importPath: 'github.com/stamblerre/gocode',
isImportant: true,
description: 'Auto-completion, works with modules',
minimumGoVersion: semver.coerce('1.11'),
},
'gopkgs': {
name: 'gopkgs',
importPath: 'github.com/uudashr/gopkgs/v2/cmd/gopkgs',
isImportant: true,
description: 'Auto-completion of unimported packages & Add Import feature'
},
'go-outline': {
name: 'go-outline',
importPath: 'github.com/ramya-rao-a/go-outline',
isImportant: true,
description: 'Go to symbol in file'
},
'go-symbols': {
name: 'go-symbols',
importPath: 'github.com/acroca/go-symbols',
isImportant: false,
description: 'Go to symbol in workspace'
},
'guru': {
name: 'guru',
importPath: 'golang.org/x/tools/cmd/guru',
isImportant: false,
description: 'Find all references and Go to implementation of symbols'
},
'gorename': {
name: 'gorename',
importPath: 'golang.org/x/tools/cmd/gorename',
isImportant: false,
description: 'Rename symbols'
},
'gomodifytags': {
name: 'gomodifytags',
importPath: 'github.com/fatih/gomodifytags',
isImportant: false,
description: 'Modify tags on structs'
},
'goplay': {
name: 'goplay',
importPath: 'github.com/haya14busa/goplay/cmd/goplay',
isImportant: false,
description: 'The Go playground'
},
'impl': {
name: 'impl',
importPath: 'github.com/josharian/impl',
isImportant: false,
description: 'Stubs for interfaces'
},
'gotype-live': {
name: 'gotype-live',
importPath: 'github.com/tylerb/gotype-live',
isImportant: false,
description: 'Show errors as you type'
},
'godef': {
name: 'godef',
importPath: 'github.com/rogpeppe/godef',
isImportant: true,
description: 'Go to definition'
},
'gogetdoc': {
name: 'gogetdoc',
importPath: 'github.com/zmb3/gogetdoc',
isImportant: true,
description: 'Go to definition & text shown on hover'
},
'goimports': {
name: 'goimports',
importPath: 'golang.org/x/tools/cmd/goimports',
isImportant: true,
description: 'Formatter'
},
'goreturns': {
name: 'goreturns',
importPath: 'github.com/sqs/goreturns',
isImportant: true,
description: 'Formatter'
},
'goformat': {
name: 'goformat',
importPath: 'winterdrache.de/goformat/goformat',
isImportant: false,
description: 'Formatter'
},
'golint': {
name: 'golint',
importPath: 'golang.org/x/lint/golint',
isImportant: true,
description: 'Linter',
minimumGoVersion: semver.coerce('1.9'),
},
'gotests': {
name: 'gotests',
importPath: 'github.com/cweill/gotests/...',
isImportant: false,
description: 'Generate unit tests',
minimumGoVersion: semver.coerce('1.9'),
},
'staticcheck': {
name: 'staticcheck',
importPath: 'honnef.co/go/tools/...',
isImportant: true,
description: 'Linter'
},
'golangci-lint': {
name: 'golangci-lint',
importPath: 'github.com/golangci/golangci-lint/cmd/golangci-lint',
isImportant: true,
description: 'Linter'
},
'revive': {
name: 'revive',
importPath: 'github.com/mgechev/revive',
isImportant: true,
description: 'Linter'
},
'gopls': {
name: 'gopls',
importPath: 'golang.org/x/tools/gopls',
isImportant: false,
description: 'Language Server from Google',
minimumGoVersion: semver.coerce('1.12'),
latestVersion: semver.coerce('0.4.1'),
latestVersionTimestamp: moment('2020-05-13', 'YYYY-MM-DD'),
latestPrereleaseVersion: semver.coerce('0.4.1'),
latestPrereleaseVersionTimestamp: moment('2020-05-13', 'YYYY-MM-DD'),
},
'dlv': {
name: 'dlv',
importPath: 'github.com/go-delve/delve/cmd/dlv',
isImportant: false,
description: 'Debugging'
},
'fillstruct': {
name: 'fillstruct',
importPath: 'github.com/davidrjenni/reftools/cmd/fillstruct',
isImportant: false,
description: 'Fill structs with defaults'
},
'godoctor': {
name: 'godoctor',
importPath: 'github.com/godoctor/godoctor',
isImportant: false,
description: 'Extract to functions and variables'
}
};