147 lines
6.2 KiB
TypeScript
147 lines
6.2 KiB
TypeScript
/// <reference path="sys.ts"/>
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/// <reference path="types.ts"/>
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/// <reference path="core.ts"/>
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/// <reference path="scanner.ts"/>
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module ts {
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var shortOptionNames: Map<string> = {
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"d": "declaration",
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"h": "help",
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"m": "module",
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"o": "out",
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"t": "target",
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"v": "version",
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};
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var options: CommandLineOption[] = [
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{ name: "codepage", type: "number" },
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{ name: "declaration", type: "boolean" },
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{ name: "diagnostics", type: "boolean" },
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{ name: "help", type: "boolean" },
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{ name: "locale", type: "string" },
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{ name: "mapRoot", type: "string" },
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{ name: "module", type: { "commonjs": ModuleKind.CommonJS, "amd": ModuleKind.AMD }, error: Diagnostics.Argument_for_module_option_must_be_commonjs_or_amd },
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{ name: "noImplicitAny", type: "boolean" },
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{ name: "noLib", type: "boolean" },
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{ name: "noLibCheck", type: "boolean" },
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{ name: "noResolve", type: "boolean" },
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{ name: "out", type: "string" },
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{ name: "outDir", type: "string" },
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{ name: "removeComments", type: "boolean" },
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{ name: "sourceMap", type: "boolean" },
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{ name: "sourceRoot", type: "string" },
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{ name: "target", type: { "es3": ScriptTarget.ES3, "es5": ScriptTarget.ES5 }, error: Diagnostics.Argument_for_target_option_must_be_es3_or_es5 },
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{ name: "version", type: "boolean" }
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];
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// Map command line switches to compiler options' property descriptors. Keys must be lower case spellings of command line switches.
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// The 'name' property specifies the property name in the CompilerOptions type. The 'type' property specifies the type of the option.
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var optionDeclarations: Map<CommandLineOption> = {};
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forEach(options, option => {
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optionDeclarations[option.name.toLowerCase()] = option;
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});
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export function parseCommandLine(commandLine: string[]): ParsedCommandLine {
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// Set default compiler option values
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var options: CompilerOptions = {
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target: ScriptTarget.ES3
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};
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var filenames: string[] = [];
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var errors: Diagnostic[] = [];
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parseStrings(commandLine);
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return {
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options: options,
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filenames: filenames,
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errors: errors
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};
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function parseStrings(args: string[]) {
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var i = 0;
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while (i < args.length) {
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var s = args[i++];
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if (s.charCodeAt(0) === CharacterCodes.at) {
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parseResponseFile(s.slice(1));
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}
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else if (s.charCodeAt(0) === CharacterCodes.minus) {
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s = s.slice(s.charCodeAt(1) === CharacterCodes.minus ? 2 : 1).toLowerCase();
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// Try to translate short option names to their full equivalents.
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if (hasProperty(shortOptionNames, s)) {
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s = shortOptionNames[s];
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}
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if (hasProperty(optionDeclarations, s)) {
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var opt = optionDeclarations[s];
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// Check to see if no argument was provided (e.g. "--locale" is the last command-line argument).
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if (!args[i] && opt.type !== "boolean") {
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errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_expects_an_argument, opt.name));
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}
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switch (opt.type) {
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case "number":
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options[opt.name] = parseInt(args[i++]);
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break;
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case "boolean":
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options[opt.name] = true;
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break;
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case "string":
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options[opt.name] = args[i++] || "";
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break;
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// If not a primitive, the possible types are specified in what is effectively a map of options.
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default:
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var value = (args[i++] || "").toLowerCase();
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if (hasProperty(opt.type, value)) {
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options[opt.name] = opt.type[value];
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}
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else {
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errors.push(createCompilerDiagnostic(opt.error));
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}
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}
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}
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else {
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errors.push(createCompilerDiagnostic(Diagnostics.Unknown_compiler_option_0, s));
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}
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}
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else {
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filenames.push(s);
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}
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}
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}
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function parseResponseFile(filename: string) {
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var text = sys.readFile(filename);
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if (!text) {
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errors.push(createCompilerDiagnostic(Diagnostics.File_0_not_found, filename));
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return;
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}
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var args: string[] = [];
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var pos = 0;
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while (true) {
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while (pos < text.length && text.charCodeAt(pos) <= CharacterCodes.space) pos++;
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if (pos >= text.length) break;
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var start = pos;
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if (text.charCodeAt(start) === CharacterCodes.doubleQuote) {
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pos++;
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while (pos < text.length && text.charCodeAt(pos) !== CharacterCodes.doubleQuote) pos++;
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if (pos < text.length) {
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args.push(text.substring(start + 1, pos));
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pos++;
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}
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else {
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errors.push(createCompilerDiagnostic(Diagnostics.Unterminated_quoted_string_in_response_file_0, filename));
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}
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}
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else {
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while (text.charCodeAt(pos) > CharacterCodes.space) pos++;
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args.push(text.substring(start, pos));
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}
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}
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parseStrings(args);
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}
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}
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}
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