mirror of
https://github.com/Microsoft/vscode
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698 lines
20 KiB
TypeScript
698 lines
20 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as fs from 'fs';
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import * as ts from 'typescript';
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import * as path from 'path';
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import * as fancyLog from 'fancy-log';
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import * as ansiColors from 'ansi-colors';
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const dtsv = '2';
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const tsfmt = require('../../tsfmt.json');
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const SRC = path.join(__dirname, '../../src');
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export const RECIPE_PATH = path.join(__dirname, './monaco.d.ts.recipe');
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const DECLARATION_PATH = path.join(__dirname, '../../src/vs/monaco.d.ts');
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function logErr(message: any, ...rest: any[]): void {
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fancyLog(ansiColors.yellow(`[monaco.d.ts]`), message, ...rest);
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}
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type SourceFileGetter = (moduleId: string) => ts.SourceFile | null;
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type TSTopLevelDeclaration = ts.InterfaceDeclaration | ts.EnumDeclaration | ts.ClassDeclaration | ts.TypeAliasDeclaration | ts.FunctionDeclaration | ts.ModuleDeclaration;
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type TSTopLevelDeclare = TSTopLevelDeclaration | ts.VariableStatement;
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function isDeclaration(a: TSTopLevelDeclare): a is TSTopLevelDeclaration {
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return (
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a.kind === ts.SyntaxKind.InterfaceDeclaration
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|| a.kind === ts.SyntaxKind.EnumDeclaration
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|| a.kind === ts.SyntaxKind.ClassDeclaration
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|| a.kind === ts.SyntaxKind.TypeAliasDeclaration
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|| a.kind === ts.SyntaxKind.FunctionDeclaration
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|| a.kind === ts.SyntaxKind.ModuleDeclaration
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);
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}
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function visitTopLevelDeclarations(sourceFile: ts.SourceFile, visitor: (node: TSTopLevelDeclare) => boolean): void {
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let stop = false;
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let visit = (node: ts.Node): void => {
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if (stop) {
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return;
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}
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switch (node.kind) {
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case ts.SyntaxKind.InterfaceDeclaration:
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case ts.SyntaxKind.EnumDeclaration:
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case ts.SyntaxKind.ClassDeclaration:
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case ts.SyntaxKind.VariableStatement:
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case ts.SyntaxKind.TypeAliasDeclaration:
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case ts.SyntaxKind.FunctionDeclaration:
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case ts.SyntaxKind.ModuleDeclaration:
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stop = visitor(<TSTopLevelDeclare>node);
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}
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if (stop) {
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return;
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}
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ts.forEachChild(node, visit);
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};
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visit(sourceFile);
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}
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function getAllTopLevelDeclarations(sourceFile: ts.SourceFile): TSTopLevelDeclare[] {
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let all: TSTopLevelDeclare[] = [];
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visitTopLevelDeclarations(sourceFile, (node) => {
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if (node.kind === ts.SyntaxKind.InterfaceDeclaration || node.kind === ts.SyntaxKind.ClassDeclaration || node.kind === ts.SyntaxKind.ModuleDeclaration) {
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let interfaceDeclaration = <ts.InterfaceDeclaration>node;
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let triviaStart = interfaceDeclaration.pos;
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let triviaEnd = interfaceDeclaration.name.pos;
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let triviaText = getNodeText(sourceFile, { pos: triviaStart, end: triviaEnd });
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if (triviaText.indexOf('@internal') === -1) {
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all.push(node);
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}
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} else {
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let nodeText = getNodeText(sourceFile, node);
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if (nodeText.indexOf('@internal') === -1) {
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all.push(node);
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}
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}
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return false /*continue*/;
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});
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return all;
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}
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function getTopLevelDeclaration(sourceFile: ts.SourceFile, typeName: string): TSTopLevelDeclare | null {
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let result: TSTopLevelDeclare | null = null;
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visitTopLevelDeclarations(sourceFile, (node) => {
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if (isDeclaration(node) && node.name) {
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if (node.name.text === typeName) {
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result = node;
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return true /*stop*/;
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}
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return false /*continue*/;
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}
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// node is ts.VariableStatement
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if (getNodeText(sourceFile, node).indexOf(typeName) >= 0) {
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result = node;
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return true /*stop*/;
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}
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return false /*continue*/;
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});
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return result;
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}
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function getNodeText(sourceFile: ts.SourceFile, node: { pos: number; end: number; }): string {
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return sourceFile.getFullText().substring(node.pos, node.end);
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}
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function hasModifier(modifiers: ts.NodeArray<ts.Modifier> | undefined, kind: ts.SyntaxKind): boolean {
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if (modifiers) {
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for (let i = 0; i < modifiers.length; i++) {
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let mod = modifiers[i];
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if (mod.kind === kind) {
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return true;
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}
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}
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}
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return false;
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}
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function isStatic(member: ts.ClassElement | ts.TypeElement): boolean {
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return hasModifier(member.modifiers, ts.SyntaxKind.StaticKeyword);
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}
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function isDefaultExport(declaration: ts.InterfaceDeclaration | ts.ClassDeclaration): boolean {
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return (
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hasModifier(declaration.modifiers, ts.SyntaxKind.DefaultKeyword)
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&& hasModifier(declaration.modifiers, ts.SyntaxKind.ExportKeyword)
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);
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}
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function getMassagedTopLevelDeclarationText(sourceFile: ts.SourceFile, declaration: TSTopLevelDeclare, importName: string, usage: string[], enums: string[]): string {
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let result = getNodeText(sourceFile, declaration);
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if (declaration.kind === ts.SyntaxKind.InterfaceDeclaration || declaration.kind === ts.SyntaxKind.ClassDeclaration) {
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let interfaceDeclaration = <ts.InterfaceDeclaration | ts.ClassDeclaration>declaration;
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const staticTypeName = (
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isDefaultExport(interfaceDeclaration)
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? `${importName}.default`
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: `${importName}.${declaration.name!.text}`
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);
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let instanceTypeName = staticTypeName;
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const typeParametersCnt = (interfaceDeclaration.typeParameters ? interfaceDeclaration.typeParameters.length : 0);
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if (typeParametersCnt > 0) {
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let arr: string[] = [];
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for (let i = 0; i < typeParametersCnt; i++) {
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arr.push('any');
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}
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instanceTypeName = `${instanceTypeName}<${arr.join(',')}>`;
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}
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const members: ts.NodeArray<ts.ClassElement | ts.TypeElement> = interfaceDeclaration.members;
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members.forEach((member) => {
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try {
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let memberText = getNodeText(sourceFile, member);
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if (memberText.indexOf('@internal') >= 0 || memberText.indexOf('private') >= 0) {
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result = result.replace(memberText, '');
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} else {
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const memberName = (<ts.Identifier | ts.StringLiteral>member.name).text;
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if (isStatic(member)) {
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usage.push(`a = ${staticTypeName}.${memberName};`);
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} else {
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usage.push(`a = (<${instanceTypeName}>b).${memberName};`);
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}
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}
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} catch (err) {
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// life..
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}
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});
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}
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result = result.replace(/export default /g, 'export ');
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result = result.replace(/export declare /g, 'export ');
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result = result.replace(/declare /g, '');
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if (declaration.kind === ts.SyntaxKind.EnumDeclaration) {
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result = result.replace(/const enum/, 'enum');
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enums.push(result);
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}
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return result;
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}
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function format(text: string, endl: string): string {
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const REALLY_FORMAT = false;
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text = preformat(text, endl);
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if (!REALLY_FORMAT) {
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return text;
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}
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// Parse the source text
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let sourceFile = ts.createSourceFile('file.ts', text, ts.ScriptTarget.Latest, /*setParentPointers*/ true);
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// Get the formatting edits on the input sources
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let edits = (<any>ts).formatting.formatDocument(sourceFile, getRuleProvider(tsfmt), tsfmt);
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// Apply the edits on the input code
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return applyEdits(text, edits);
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function countParensCurly(text: string): number {
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let cnt = 0;
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for (let i = 0; i < text.length; i++) {
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if (text.charAt(i) === '(' || text.charAt(i) === '{') {
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cnt++;
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}
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if (text.charAt(i) === ')' || text.charAt(i) === '}') {
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cnt--;
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}
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}
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return cnt;
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}
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function repeatStr(s: string, cnt: number): string {
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let r = '';
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for (let i = 0; i < cnt; i++) {
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r += s;
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}
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return r;
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}
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function preformat(text: string, endl: string): string {
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let lines = text.split(endl);
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let inComment = false;
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let inCommentDeltaIndent = 0;
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let indent = 0;
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for (let i = 0; i < lines.length; i++) {
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let line = lines[i].replace(/\s$/, '');
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let repeat = false;
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let lineIndent = 0;
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do {
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repeat = false;
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if (line.substring(0, 4) === ' ') {
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line = line.substring(4);
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lineIndent++;
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repeat = true;
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}
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if (line.charAt(0) === '\t') {
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line = line.substring(1);
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lineIndent++;
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repeat = true;
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}
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} while (repeat);
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if (line.length === 0) {
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continue;
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}
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if (inComment) {
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if (/\*\//.test(line)) {
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inComment = false;
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}
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lines[i] = repeatStr('\t', lineIndent + inCommentDeltaIndent) + line;
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continue;
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}
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if (/\/\*/.test(line)) {
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inComment = true;
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inCommentDeltaIndent = indent - lineIndent;
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lines[i] = repeatStr('\t', indent) + line;
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continue;
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}
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const cnt = countParensCurly(line);
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let shouldUnindentAfter = false;
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let shouldUnindentBefore = false;
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if (cnt < 0) {
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if (/[({]/.test(line)) {
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shouldUnindentAfter = true;
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} else {
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shouldUnindentBefore = true;
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}
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} else if (cnt === 0) {
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shouldUnindentBefore = /^\}/.test(line);
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}
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let shouldIndentAfter = false;
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if (cnt > 0) {
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shouldIndentAfter = true;
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} else if (cnt === 0) {
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shouldIndentAfter = /{$/.test(line);
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}
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if (shouldUnindentBefore) {
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indent--;
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}
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lines[i] = repeatStr('\t', indent) + line;
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if (shouldUnindentAfter) {
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indent--;
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}
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if (shouldIndentAfter) {
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indent++;
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}
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}
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return lines.join(endl);
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}
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function getRuleProvider(options: ts.FormatCodeSettings) {
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// Share this between multiple formatters using the same options.
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// This represents the bulk of the space the formatter uses.
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return (ts as any).formatting.getFormatContext(options);
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}
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function applyEdits(text: string, edits: ts.TextChange[]): string {
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// Apply edits in reverse on the existing text
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let result = text;
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for (let i = edits.length - 1; i >= 0; i--) {
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let change = edits[i];
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let head = result.slice(0, change.span.start);
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let tail = result.slice(change.span.start + change.span.length);
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result = head + change.newText + tail;
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}
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return result;
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}
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}
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function createReplacer(data: string): (str: string) => string {
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data = data || '';
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let rawDirectives = data.split(';');
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let directives: [RegExp, string][] = [];
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rawDirectives.forEach((rawDirective) => {
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if (rawDirective.length === 0) {
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return;
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}
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let pieces = rawDirective.split('=>');
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let findStr = pieces[0];
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let replaceStr = pieces[1];
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findStr = findStr.replace(/[\-\\\{\}\*\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&');
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findStr = '\\b' + findStr + '\\b';
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directives.push([new RegExp(findStr, 'g'), replaceStr]);
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});
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return (str: string) => {
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for (let i = 0; i < directives.length; i++) {
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str = str.replace(directives[i][0], directives[i][1]);
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}
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return str;
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};
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}
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interface ITempResult {
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result: string;
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usageContent: string;
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enums: string;
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}
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function generateDeclarationFile(recipe: string, sourceFileGetter: SourceFileGetter): ITempResult | null {
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const endl = /\r\n/.test(recipe) ? '\r\n' : '\n';
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let lines = recipe.split(endl);
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let result: string[] = [];
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let usageCounter = 0;
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let usageImports: string[] = [];
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let usage: string[] = [];
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let failed = false;
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usage.push(`var a: any;`);
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usage.push(`var b: any;`);
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const generateUsageImport = (moduleId: string) => {
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let importName = 'm' + (++usageCounter);
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usageImports.push(`import * as ${importName} from './${moduleId.replace(/\.d\.ts$/, '')}';`);
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return importName;
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};
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let enums: string[] = [];
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let version: string | null = null;
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lines.forEach(line => {
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if (failed) {
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return;
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}
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let m0 = line.match(/^\/\/dtsv=(\d+)$/);
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if (m0) {
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version = m0[1];
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}
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let m1 = line.match(/^\s*#include\(([^;)]*)(;[^)]*)?\)\:(.*)$/);
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if (m1) {
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let moduleId = m1[1];
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const sourceFile = sourceFileGetter(moduleId);
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if (!sourceFile) {
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logErr(`While handling ${line}`);
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logErr(`Cannot find ${moduleId}`);
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failed = true;
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return;
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}
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const importName = generateUsageImport(moduleId);
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let replacer = createReplacer(m1[2]);
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let typeNames = m1[3].split(/,/);
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typeNames.forEach((typeName) => {
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typeName = typeName.trim();
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if (typeName.length === 0) {
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return;
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}
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let declaration = getTopLevelDeclaration(sourceFile, typeName);
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if (!declaration) {
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logErr(`While handling ${line}`);
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logErr(`Cannot find ${typeName}`);
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failed = true;
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return;
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}
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result.push(replacer(getMassagedTopLevelDeclarationText(sourceFile, declaration, importName, usage, enums)));
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});
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return;
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}
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let m2 = line.match(/^\s*#includeAll\(([^;)]*)(;[^)]*)?\)\:(.*)$/);
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if (m2) {
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let moduleId = m2[1];
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const sourceFile = sourceFileGetter(moduleId);
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if (!sourceFile) {
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logErr(`While handling ${line}`);
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logErr(`Cannot find ${moduleId}`);
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failed = true;
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return;
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}
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const importName = generateUsageImport(moduleId);
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let replacer = createReplacer(m2[2]);
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let typeNames = m2[3].split(/,/);
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let typesToExcludeMap: { [typeName: string]: boolean; } = {};
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let typesToExcludeArr: string[] = [];
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typeNames.forEach((typeName) => {
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typeName = typeName.trim();
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if (typeName.length === 0) {
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return;
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}
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typesToExcludeMap[typeName] = true;
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typesToExcludeArr.push(typeName);
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});
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getAllTopLevelDeclarations(sourceFile).forEach((declaration) => {
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if (isDeclaration(declaration) && declaration.name) {
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if (typesToExcludeMap[declaration.name.text]) {
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return;
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}
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} else {
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// node is ts.VariableStatement
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let nodeText = getNodeText(sourceFile, declaration);
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for (let i = 0; i < typesToExcludeArr.length; i++) {
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if (nodeText.indexOf(typesToExcludeArr[i]) >= 0) {
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return;
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}
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}
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}
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result.push(replacer(getMassagedTopLevelDeclarationText(sourceFile, declaration, importName, usage, enums)));
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});
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return;
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}
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result.push(line);
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});
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if (failed) {
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return null;
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}
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if (version !== dtsv) {
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if (!version) {
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logErr(`gulp watch restart required. 'monaco.d.ts.recipe' is written before versioning was introduced.`);
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} else {
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logErr(`gulp watch restart required. 'monaco.d.ts.recipe' v${version} does not match runtime v${dtsv}.`);
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}
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return null;
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}
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let resultTxt = result.join(endl);
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resultTxt = resultTxt.replace(/\bURI\b/g, 'Uri');
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resultTxt = resultTxt.replace(/\bEvent</g, 'IEvent<');
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resultTxt = resultTxt.split(/\r\n|\n|\r/).join(endl);
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resultTxt = format(resultTxt, endl);
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resultTxt = resultTxt.split(/\r\n|\n|\r/).join(endl);
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let resultEnums = [
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'/*---------------------------------------------------------------------------------------------',
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' * Copyright (c) Microsoft Corporation. All rights reserved.',
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' * Licensed under the MIT License. See License.txt in the project root for license information.',
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' *--------------------------------------------------------------------------------------------*/',
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'',
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'// THIS IS A GENERATED FILE. DO NOT EDIT DIRECTLY.',
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''
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].concat(enums).join(endl);
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resultEnums = resultEnums.split(/\r\n|\n|\r/).join(endl);
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resultEnums = format(resultEnums, endl);
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resultEnums = resultEnums.split(/\r\n|\n|\r/).join(endl);
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return {
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result: resultTxt,
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usageContent: `${usageImports.join('\n')}\n\n${usage.join('\n')}`,
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enums: resultEnums
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};
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}
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export interface IMonacoDeclarationResult {
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content: string;
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usageContent: string;
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enums: string;
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filePath: string;
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isTheSame: boolean;
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}
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function _run(sourceFileGetter: SourceFileGetter): IMonacoDeclarationResult | null {
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const recipe = fs.readFileSync(RECIPE_PATH).toString();
|
|
const t = generateDeclarationFile(recipe, sourceFileGetter);
|
|
if (!t) {
|
|
return null;
|
|
}
|
|
|
|
const result = t.result;
|
|
const usageContent = t.usageContent;
|
|
const enums = t.enums;
|
|
|
|
const currentContent = fs.readFileSync(DECLARATION_PATH).toString();
|
|
const one = currentContent.replace(/\r\n/gm, '\n');
|
|
const other = result.replace(/\r\n/gm, '\n');
|
|
const isTheSame = (one === other);
|
|
|
|
return {
|
|
content: result,
|
|
usageContent: usageContent,
|
|
enums: enums,
|
|
filePath: DECLARATION_PATH,
|
|
isTheSame
|
|
};
|
|
}
|
|
|
|
export class FSProvider {
|
|
public existsSync(filePath: string): boolean {
|
|
return fs.existsSync(filePath);
|
|
}
|
|
public statSync(filePath: string): fs.Stats {
|
|
return fs.statSync(filePath);
|
|
}
|
|
public readFileSync(_moduleId: string, filePath: string): Buffer {
|
|
return fs.readFileSync(filePath);
|
|
}
|
|
}
|
|
|
|
class CacheEntry {
|
|
constructor(
|
|
public readonly sourceFile: ts.SourceFile,
|
|
public readonly mtime: number
|
|
) {}
|
|
}
|
|
|
|
export class DeclarationResolver {
|
|
|
|
private _sourceFileCache: { [moduleId: string]: CacheEntry | null; };
|
|
|
|
constructor(private readonly _fsProvider: FSProvider) {
|
|
this._sourceFileCache = Object.create(null);
|
|
}
|
|
|
|
public invalidateCache(moduleId: string): void {
|
|
this._sourceFileCache[moduleId] = null;
|
|
}
|
|
|
|
public getDeclarationSourceFile(moduleId: string): ts.SourceFile | null {
|
|
if (this._sourceFileCache[moduleId]) {
|
|
// Since we cannot trust file watching to invalidate the cache, check also the mtime
|
|
const fileName = this._getFileName(moduleId);
|
|
const mtime = this._fsProvider.statSync(fileName).mtime.getTime();
|
|
if (this._sourceFileCache[moduleId]!.mtime !== mtime) {
|
|
this._sourceFileCache[moduleId] = null;
|
|
}
|
|
}
|
|
if (!this._sourceFileCache[moduleId]) {
|
|
this._sourceFileCache[moduleId] = this._getDeclarationSourceFile(moduleId);
|
|
}
|
|
return this._sourceFileCache[moduleId] ? this._sourceFileCache[moduleId]!.sourceFile : null;
|
|
}
|
|
|
|
private _getFileName(moduleId: string): string {
|
|
if (/\.d\.ts$/.test(moduleId)) {
|
|
return path.join(SRC, moduleId);
|
|
}
|
|
return path.join(SRC, `${moduleId}.ts`);
|
|
}
|
|
|
|
private _getDeclarationSourceFile(moduleId: string): CacheEntry | null {
|
|
const fileName = this._getFileName(moduleId);
|
|
if (!this._fsProvider.existsSync(fileName)) {
|
|
return null;
|
|
}
|
|
const mtime = this._fsProvider.statSync(fileName).mtime.getTime();
|
|
if (/\.d\.ts$/.test(moduleId)) {
|
|
// const mtime = this._fsProvider.statFileSync()
|
|
const fileContents = this._fsProvider.readFileSync(moduleId, fileName).toString();
|
|
return new CacheEntry(
|
|
ts.createSourceFile(fileName, fileContents, ts.ScriptTarget.ES5),
|
|
mtime
|
|
);
|
|
}
|
|
const fileContents = this._fsProvider.readFileSync(moduleId, fileName).toString();
|
|
const fileMap: IFileMap = {
|
|
'file.ts': fileContents
|
|
};
|
|
const service = ts.createLanguageService(new TypeScriptLanguageServiceHost({}, fileMap, {}));
|
|
const text = service.getEmitOutput('file.ts', true).outputFiles[0].text;
|
|
return new CacheEntry(
|
|
ts.createSourceFile(fileName, text, ts.ScriptTarget.ES5),
|
|
mtime
|
|
);
|
|
}
|
|
}
|
|
|
|
export function run3(resolver: DeclarationResolver): IMonacoDeclarationResult | null {
|
|
const sourceFileGetter = (moduleId: string) => resolver.getDeclarationSourceFile(moduleId);
|
|
return _run(sourceFileGetter);
|
|
}
|
|
|
|
|
|
|
|
|
|
interface ILibMap { [libName: string]: string; }
|
|
interface IFileMap { [fileName: string]: string; }
|
|
|
|
class TypeScriptLanguageServiceHost implements ts.LanguageServiceHost {
|
|
|
|
private readonly _libs: ILibMap;
|
|
private readonly _files: IFileMap;
|
|
private readonly _compilerOptions: ts.CompilerOptions;
|
|
|
|
constructor(libs: ILibMap, files: IFileMap, compilerOptions: ts.CompilerOptions) {
|
|
this._libs = libs;
|
|
this._files = files;
|
|
this._compilerOptions = compilerOptions;
|
|
}
|
|
|
|
// --- language service host ---------------
|
|
|
|
getCompilationSettings(): ts.CompilerOptions {
|
|
return this._compilerOptions;
|
|
}
|
|
getScriptFileNames(): string[] {
|
|
return (
|
|
([] as string[])
|
|
.concat(Object.keys(this._libs))
|
|
.concat(Object.keys(this._files))
|
|
);
|
|
}
|
|
getScriptVersion(_fileName: string): string {
|
|
return '1';
|
|
}
|
|
getProjectVersion(): string {
|
|
return '1';
|
|
}
|
|
getScriptSnapshot(fileName: string): ts.IScriptSnapshot {
|
|
if (this._files.hasOwnProperty(fileName)) {
|
|
return ts.ScriptSnapshot.fromString(this._files[fileName]);
|
|
} else if (this._libs.hasOwnProperty(fileName)) {
|
|
return ts.ScriptSnapshot.fromString(this._libs[fileName]);
|
|
} else {
|
|
return ts.ScriptSnapshot.fromString('');
|
|
}
|
|
}
|
|
getScriptKind(_fileName: string): ts.ScriptKind {
|
|
return ts.ScriptKind.TS;
|
|
}
|
|
getCurrentDirectory(): string {
|
|
return '';
|
|
}
|
|
getDefaultLibFileName(_options: ts.CompilerOptions): string {
|
|
return 'defaultLib:es5';
|
|
}
|
|
isDefaultLibFileName(fileName: string): boolean {
|
|
return fileName === this.getDefaultLibFileName(this._compilerOptions);
|
|
}
|
|
}
|
|
|
|
export function execute(): IMonacoDeclarationResult {
|
|
let r = run3(new DeclarationResolver(new FSProvider()));
|
|
if (!r) {
|
|
throw new Error(`monaco.d.ts generation error - Cannot continue`);
|
|
}
|
|
return r;
|
|
}
|