1 use std
::collections
::BTreeMap
;
2 use std
::convert
::TryFrom
;
5 use std
::path
::PathBuf
;
8 use rustc_data_structures
::fx
::FxHashMap
;
9 use rustc_session
::config
::{
10 self, parse_crate_types_from_list
, parse_externs
, parse_target_triple
, CrateType
,
12 use rustc_session
::config
::{get_cmd_lint_options, nightly_options}
;
13 use rustc_session
::config
::{
14 CodegenOptions
, DebuggingOptions
, ErrorOutputType
, Externs
, JsonUnusedExterns
,
16 use rustc_session
::getopts
;
17 use rustc_session
::lint
::Level
;
18 use rustc_session
::search_paths
::SearchPath
;
19 use rustc_span
::edition
::Edition
;
20 use rustc_target
::spec
::TargetTriple
;
22 use crate::core
::new_handler
;
23 use crate::externalfiles
::ExternalHtml
;
25 use crate::html
::markdown
::IdMap
;
26 use crate::html
::render
::StylePath
;
27 use crate::html
::static_files
;
29 use crate::passes
::{self, Condition}
;
30 use crate::scrape_examples
::{AllCallLocations, ScrapeExamplesOptions}
;
33 #[derive(Clone, Copy, PartialEq, Eq, Debug)]
34 crate enum OutputFormat
{
39 impl Default
for OutputFormat
{
40 fn default() -> OutputFormat
{
46 crate fn is_json(&self) -> bool
{
47 matches
!(self, OutputFormat
::Json
)
51 impl TryFrom
<&str> for OutputFormat
{
54 fn try_from(value
: &str) -> Result
<Self, Self::Error
> {
56 "json" => Ok(OutputFormat
::Json
),
57 "html" => Ok(OutputFormat
::Html
),
58 _
=> Err(format
!("unknown output format `{}`", value
)),
63 /// Configuration options for rustdoc.
65 crate struct Options
{
66 // Basic options / Options passed directly to rustc
67 /// The crate root or Markdown file to load.
69 /// The name of the crate being documented.
70 crate crate_name
: Option
<String
>,
71 /// Whether or not this is a proc-macro crate
72 crate proc_macro_crate
: bool
,
73 /// How to format errors and warnings.
74 crate error_format
: ErrorOutputType
,
75 /// Library search paths to hand to the compiler.
76 crate libs
: Vec
<SearchPath
>,
77 /// Library search paths strings to hand to the compiler.
78 crate lib_strs
: Vec
<String
>,
79 /// The list of external crates to link against.
80 crate externs
: Externs
,
81 /// The list of external crates strings to link against.
82 crate extern_strs
: Vec
<String
>,
83 /// List of `cfg` flags to hand to the compiler. Always includes `rustdoc`.
84 crate cfgs
: Vec
<String
>,
85 /// List of check cfg flags to hand to the compiler.
86 crate check_cfgs
: Vec
<String
>,
87 /// Codegen options to hand to the compiler.
88 crate codegen_options
: CodegenOptions
,
89 /// Codegen options strings to hand to the compiler.
90 crate codegen_options_strs
: Vec
<String
>,
91 /// Debugging (`-Z`) options to pass to the compiler.
92 crate debugging_opts
: DebuggingOptions
,
93 /// Debugging (`-Z`) options strings to pass to the compiler.
94 crate debugging_opts_strs
: Vec
<String
>,
95 /// The target used to compile the crate against.
96 crate target
: TargetTriple
,
97 /// Edition used when reading the crate. Defaults to "2015". Also used by default when
98 /// compiling doctests from the crate.
99 crate edition
: Edition
,
100 /// The path to the sysroot. Used during the compilation process.
101 crate maybe_sysroot
: Option
<PathBuf
>,
102 /// Lint information passed over the command-line.
103 crate lint_opts
: Vec
<(String
, Level
)>,
104 /// Whether to ask rustc to describe the lints it knows.
105 crate describe_lints
: bool
,
106 /// What level to cap lints at.
107 crate lint_cap
: Option
<Level
>,
109 // Options specific to running doctests
110 /// Whether we should run doctests instead of generating docs.
111 crate should_test
: bool
,
112 /// List of arguments to pass to the test harness, if running tests.
113 crate test_args
: Vec
<String
>,
114 /// The working directory in which to run tests.
115 crate test_run_directory
: Option
<PathBuf
>,
116 /// Optional path to persist the doctest executables to, defaults to a
117 /// temporary directory if not set.
118 crate persist_doctests
: Option
<PathBuf
>,
119 /// Runtool to run doctests with
120 crate runtool
: Option
<String
>,
121 /// Arguments to pass to the runtool
122 crate runtool_args
: Vec
<String
>,
123 /// Whether to allow ignoring doctests on a per-target basis
124 /// For example, using ignore-foo to ignore running the doctest on any target that
125 /// contains "foo" as a substring
126 crate enable_per_target_ignores
: bool
,
127 /// Do not run doctests, compile them if should_test is active.
130 /// The path to a rustc-like binary to build tests with. If not set, we
131 /// default to loading from `$sysroot/bin/rustc`.
132 crate test_builder
: Option
<PathBuf
>,
134 // Options that affect the documentation process
135 /// Whether to run the `calculate-doc-coverage` pass, which counts the number of public items
136 /// with and without documentation.
137 crate show_coverage
: bool
,
139 // Options that alter generated documentation pages
140 /// Crate version to note on the sidebar of generated docs.
141 crate crate_version
: Option
<String
>,
142 /// Collected options specific to outputting final pages.
143 crate render_options
: RenderOptions
,
144 /// The format that we output when rendering.
146 /// Currently used only for the `--show-coverage` option.
147 crate output_format
: OutputFormat
,
148 /// If this option is set to `true`, rustdoc will only run checks and not generate
150 crate run_check
: bool
,
151 /// Whether doctests should emit unused externs
152 crate json_unused_externs
: JsonUnusedExterns
,
153 /// Whether to skip capturing stdout and stderr of tests.
154 crate nocapture
: bool
,
156 /// Configuration for scraping examples from the current crate. If this option is Some(..) then
157 /// the compiler will scrape examples and not generate documentation.
158 crate scrape_examples_options
: Option
<ScrapeExamplesOptions
>,
161 impl fmt
::Debug
for Options
{
162 fn fmt(&self, f
: &mut fmt
::Formatter
<'_
>) -> fmt
::Result
{
163 struct FmtExterns
<'a
>(&'a Externs
);
165 impl<'a
> fmt
::Debug
for FmtExterns
<'a
> {
166 fn fmt(&self, f
: &mut fmt
::Formatter
<'_
>) -> fmt
::Result
{
167 f
.debug_map().entries(self.0.iter
()).finish()
171 f
.debug_struct("Options")
172 .field("input", &self.input
)
173 .field("crate_name", &self.crate_name
)
174 .field("proc_macro_crate", &self.proc_macro_crate
)
175 .field("error_format", &self.error_format
)
176 .field("libs", &self.libs
)
177 .field("externs", &FmtExterns(&self.externs
))
178 .field("cfgs", &self.cfgs
)
179 .field("check-cfgs", &self.check_cfgs
)
180 .field("codegen_options", &"...")
181 .field("debugging_options", &"...")
182 .field("target", &self.target
)
183 .field("edition", &self.edition
)
184 .field("maybe_sysroot", &self.maybe_sysroot
)
185 .field("lint_opts", &self.lint_opts
)
186 .field("describe_lints", &self.describe_lints
)
187 .field("lint_cap", &self.lint_cap
)
188 .field("should_test", &self.should_test
)
189 .field("test_args", &self.test_args
)
190 .field("test_run_directory", &self.test_run_directory
)
191 .field("persist_doctests", &self.persist_doctests
)
192 .field("show_coverage", &self.show_coverage
)
193 .field("crate_version", &self.crate_version
)
194 .field("render_options", &self.render_options
)
195 .field("runtool", &self.runtool
)
196 .field("runtool_args", &self.runtool_args
)
197 .field("enable-per-target-ignores", &self.enable_per_target_ignores
)
198 .field("run_check", &self.run_check
)
199 .field("no_run", &self.no_run
)
200 .field("nocapture", &self.nocapture
)
201 .field("scrape_examples_options", &self.scrape_examples_options
)
206 /// Configuration options for the HTML page-creation process.
207 #[derive(Clone, Debug)]
208 crate struct RenderOptions
{
209 /// Output directory to generate docs into. Defaults to `doc`.
210 crate output
: PathBuf
,
211 /// External files to insert into generated pages.
212 crate external_html
: ExternalHtml
,
213 /// A pre-populated `IdMap` with the default headings and any headings added by Markdown files
214 /// processed by `external_html`.
216 /// If present, playground URL to use in the "Run" button added to code samples.
218 /// Be aware: This option can come both from the CLI and from crate attributes!
219 crate playground_url
: Option
<String
>,
220 /// Whether to sort modules alphabetically on a module page instead of using declaration order.
221 /// `true` by default.
223 // FIXME(misdreavus): the flag name is `--sort-modules-by-appearance` but the meaning is
224 // inverted once read.
225 crate sort_modules_alphabetically
: bool
,
226 /// List of themes to extend the docs with. Original argument name is included to assist in
227 /// displaying errors if it fails a theme check.
228 crate themes
: Vec
<StylePath
>,
229 /// If present, CSS file that contains rules to add to the default CSS.
230 crate extension_css
: Option
<PathBuf
>,
231 /// A map of crate names to the URL to use instead of querying the crate's `html_root_url`.
232 crate extern_html_root_urls
: BTreeMap
<String
, String
>,
233 /// Whether to give precedence to `html_root_url` or `--exten-html-root-url`.
234 crate extern_html_root_takes_precedence
: bool
,
235 /// A map of the default settings (values are as for DOM storage API). Keys should lack the
236 /// `rustdoc-` prefix.
237 crate default_settings
: FxHashMap
<String
, String
>,
238 /// If present, suffix added to CSS/JavaScript files when referencing them in generated pages.
239 crate resource_suffix
: String
,
240 /// Whether to run the static CSS/JavaScript through a minifier when outputting them. `true` by
243 // FIXME(misdreavus): the flag name is `--disable-minification` but the meaning is inverted
245 crate enable_minification
: bool
,
246 /// Whether to create an index page in the root of the output directory. If this is true but
247 /// `enable_index_page` is None, generate a static listing of crates instead.
248 crate enable_index_page
: bool
,
249 /// A file to use as the index page at the root of the output directory. Overrides
250 /// `enable_index_page` to be true if set.
251 crate index_page
: Option
<PathBuf
>,
252 /// An optional path to use as the location of static files. If not set, uses combinations of
253 /// `../` to reach the documentation root.
254 crate static_root_path
: Option
<String
>,
256 // Options specific to reading standalone Markdown files
257 /// Whether to generate a table of contents on the output file when reading a standalone
259 crate markdown_no_toc
: bool
,
260 /// Additional CSS files to link in pages generated from standalone Markdown files.
261 crate markdown_css
: Vec
<String
>,
262 /// If present, playground URL to use in the "Run" button added to code samples generated from
263 /// standalone Markdown files. If not present, `playground_url` is used.
264 crate markdown_playground_url
: Option
<String
>,
265 /// Document items that have lower than `pub` visibility.
266 crate document_private
: bool
,
267 /// Document items that have `doc(hidden)`.
268 crate document_hidden
: bool
,
269 /// If `true`, generate a JSON file in the crate folder instead of HTML redirection files.
270 crate generate_redirect_map
: bool
,
271 /// Show the memory layout of types in the docs.
272 crate show_type_layout
: bool
,
273 crate unstable_features
: rustc_feature
::UnstableFeatures
,
274 crate emit
: Vec
<EmitType
>,
275 /// If `true`, HTML source pages will generate links for items to their definition.
276 crate generate_link_to_definition
: bool
,
277 /// Set of function-call locations to include as examples
278 crate call_locations
: AllCallLocations
,
279 /// If `true`, Context::init will not emit shared files.
280 crate no_emit_shared
: bool
,
283 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
284 crate enum EmitType
{
290 impl FromStr
for EmitType
{
293 fn from_str(s
: &str) -> Result
<Self, Self::Err
> {
296 "unversioned-shared-resources" => Ok(Unversioned
),
297 "toolchain-shared-resources" => Ok(Toolchain
),
298 "invocation-specific" => Ok(InvocationSpecific
),
305 crate fn should_emit_crate(&self) -> bool
{
306 self.emit
.is_empty() || self.emit
.contains(&EmitType
::InvocationSpecific
)
311 /// Parses the given command-line for options. If an error message or other early-return has
312 /// been printed, returns `Err` with the exit code.
313 crate fn from_matches(matches
: &getopts
::Matches
) -> Result
<Options
, i32> {
314 // Check for unstable options.
315 nightly_options
::check_nightly_options(matches
, &opts());
317 if matches
.opt_present("h") || matches
.opt_present("help") {
318 crate::usage("rustdoc");
320 } else if matches
.opt_present("version") {
321 rustc_driver
::version("rustdoc", matches
);
325 let color
= config
::parse_color(matches
);
326 let config
::JsonConfig { json_rendered, json_unused_externs, .. }
=
327 config
::parse_json(matches
);
328 let error_format
= config
::parse_error_format(matches
, color
, json_rendered
);
330 let codegen_options
= CodegenOptions
::build(matches
, error_format
);
331 let debugging_opts
= DebuggingOptions
::build(matches
, error_format
);
333 let diag
= new_handler(error_format
, None
, &debugging_opts
);
335 // check for deprecated options
336 check_deprecated_options(matches
, &diag
);
338 if matches
.opt_strs("passes") == ["list"] {
339 println
!("Available passes for running rustdoc:");
340 for pass
in passes
::PASSES
{
341 println
!("{:>20} - {}", pass
.name
, pass
.description
);
343 println
!("\nDefault passes for rustdoc:");
344 for p
in passes
::DEFAULT_PASSES
{
345 print
!("{:>20}", p
.pass
.name
);
346 println_condition(p
.condition
);
349 if nightly_options
::match_is_nightly_build(matches
) {
350 println
!("\nPasses run with `--show-coverage`:");
351 for p
in passes
::COVERAGE_PASSES
{
352 print
!("{:>20}", p
.pass
.name
);
353 println_condition(p
.condition
);
357 fn println_condition(condition
: Condition
) {
360 Always
=> println
!(),
361 WhenDocumentPrivate
=> println
!(" (when --document-private-items)"),
362 WhenNotDocumentPrivate
=> println
!(" (when not --document-private-items)"),
363 WhenNotDocumentHidden
=> println
!(" (when not --document-hidden-items)"),
370 let mut emit
= Vec
::new();
371 for list
in matches
.opt_strs("emit") {
372 for kind
in list
.split('
,'
) {
374 Ok(kind
) => emit
.push(kind
),
376 diag
.err(&format
!("unrecognized emission type: {}", kind
));
383 // check for `--output-format=json`
384 if !matches
!(matches
.opt_str("output-format").as_deref(), None
| Some("html"))
385 && !matches
.opt_present("show-coverage")
386 && !nightly_options
::is_unstable_enabled(matches
)
388 rustc_session
::early_error(
390 "the -Z unstable-options flag must be passed to enable --output-format for documentation generation (see https://github.com/rust-lang/rust/issues/76578)",
394 let to_check
= matches
.opt_strs("check-theme");
395 if !to_check
.is_empty() {
396 let paths
= theme
::load_css_paths(static_files
::themes
::LIGHT
.as_bytes());
399 println
!("rustdoc: [check-theme] Starting tests! (Ignoring all other arguments)");
400 for theme_file
in to_check
.iter() {
401 print
!(" - Checking \"{}\"...", theme_file
);
402 let (success
, differences
) = theme
::test_theme_against(theme_file
, &paths
, &diag
);
403 if !differences
.is_empty() || !success
{
406 if !differences
.is_empty() {
407 println
!("{}", differences
.join("\n"));
419 if matches
.free
.is_empty() {
420 diag
.struct_err("missing file operand").emit();
423 if matches
.free
.len() > 1 {
424 diag
.struct_err("too many file operands").emit();
427 let input
= PathBuf
::from(&matches
.free
[0]);
432 .map(|s
| SearchPath
::from_cli_opt(s
, error_format
))
434 let externs
= parse_externs(matches
, &debugging_opts
, error_format
);
435 let extern_html_root_urls
= match parse_extern_html_roots(matches
) {
438 diag
.struct_err(err
).emit();
443 let default_settings
: Vec
<Vec
<(String
, String
)>> = vec
![
445 .opt_str("default-theme")
449 ("use-system-theme".to_string(), "false".to_string()),
450 ("theme".to_string(), theme
.to_string()),
455 .opt_strs("default-setting")
457 .map(|s
| match s
.split_once('
='
) {
458 None
=> (s
.clone(), "true".to_string()),
459 Some((k
, v
)) => (k
.to_string(), v
.to_string()),
463 let default_settings
= default_settings
467 // The keys here become part of `data-` attribute names in the generated HTML. The
468 // browser does a strange mapping when converting them into attributes on the
469 // `dataset` property on the DOM HTML Node:
470 // https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset
472 // The original key values we have are the same as the DOM storage API keys and the
473 // command line options, so contain `-`. Our Javascript needs to be able to look
474 // these values up both in `dataset` and in the storage API, so it needs to be able
475 // to convert the names back and forth. Despite doing this kebab-case to
476 // StudlyCaps transformation automatically, the JS DOM API does not provide a
477 // mechanism for doing the just transformation on a string. So we want to avoid
478 // the StudlyCaps representation in the `dataset` property.
480 // We solve this by replacing all the `-`s with `_`s. We do that here, when we
481 // generate the `data-` attributes, and in the JS, when we look them up. (See
482 // `getSettingValue` in `storage.js.`) Converting `-` to `_` is simple in JS.
484 // The values will be HTML-escaped by the default Tera escaping.
485 |(k
, v
)| (k
.replace('
-'
, "_"), v
),
489 let test_args
= matches
.opt_strs("test-args");
490 let test_args
: Vec
<String
> =
491 test_args
.iter().flat_map(|s
| s
.split_whitespace()).map(|s
| s
.to_string()).collect();
493 let should_test
= matches
.opt_present("test");
494 let no_run
= matches
.opt_present("no-run");
496 if !should_test
&& no_run
{
497 diag
.err("the `--test` flag must be passed to enable `--no-run`");
501 let out_dir
= matches
.opt_str("out-dir").map(|s
| PathBuf
::from(&s
));
502 let output
= matches
.opt_str("output").map(|s
| PathBuf
::from(&s
));
503 let output
= match (out_dir
, output
) {
504 (Some(_
), Some(_
)) => {
505 diag
.struct_err("cannot use both 'out-dir' and 'output' at once").emit();
508 (Some(out_dir
), None
) => out_dir
,
509 (None
, Some(output
)) => output
,
510 (None
, None
) => PathBuf
::from("doc"),
513 let cfgs
= matches
.opt_strs("cfg");
514 let check_cfgs
= matches
.opt_strs("check-cfg");
516 let extension_css
= matches
.opt_str("e").map(|s
| PathBuf
::from(&s
));
518 if let Some(ref p
) = extension_css
{
520 diag
.struct_err("option --extend-css argument must be a file").emit();
525 let mut themes
= Vec
::new();
526 if matches
.opt_present("theme") {
527 let paths
= theme
::load_css_paths(static_files
::themes
::LIGHT
.as_bytes());
529 for (theme_file
, theme_s
) in
530 matches
.opt_strs("theme").iter().map(|s
| (PathBuf
::from(&s
), s
.to_owned()))
532 if !theme_file
.is_file() {
533 diag
.struct_err(&format
!("invalid argument: \"{}\"", theme_s
))
534 .help("arguments to --theme must be files")
538 if theme_file
.extension() != Some(OsStr
::new("css")) {
539 diag
.struct_err(&format
!("invalid argument: \"{}\"", theme_s
))
540 .help("arguments to --theme must have a .css extension")
544 let (success
, ret
) = theme
::test_theme_against(&theme_file
, &paths
, &diag
);
546 diag
.struct_err(&format
!("error loading theme file: \"{}\"", theme_s
)).emit();
548 } else if !ret
.is_empty() {
549 diag
.struct_warn(&format
!(
550 "theme file \"{}\" is missing CSS rules from the default theme",
553 .warn("the theme may appear incorrect when loaded")
555 "to see what rules are missing, call `rustdoc --check-theme \"{}\"`",
560 themes
.push(StylePath { path: theme_file }
);
564 let edition
= config
::parse_crate_edition(matches
);
566 let mut id_map
= html
::markdown
::IdMap
::new();
567 let Some(external_html
) = ExternalHtml
::load(
568 &matches
.opt_strs("html-in-header"),
569 &matches
.opt_strs("html-before-content"),
570 &matches
.opt_strs("html-after-content"),
571 &matches
.opt_strs("markdown-before-content"),
572 &matches
.opt_strs("markdown-after-content"),
573 nightly_options
::match_is_nightly_build(matches
),
582 match matches
.opt_str("r").as_deref() {
583 Some("rust") | None
=> {}
585 diag
.struct_err(&format
!("unknown input format: {}", s
)).emit();
590 let index_page
= matches
.opt_str("index-page").map(|s
| PathBuf
::from(&s
));
591 if let Some(ref index_page
) = index_page
{
592 if !index_page
.is_file() {
593 diag
.struct_err("option `--index-page` argument must be a file").emit();
598 let target
= parse_target_triple(matches
, error_format
);
600 let show_coverage
= matches
.opt_present("show-coverage");
602 let crate_types
= match parse_crate_types_from_list(matches
.opt_strs("crate-type")) {
605 diag
.struct_err(&format
!("unknown crate type: {}", e
)).emit();
610 let output_format
= match matches
.opt_str("output-format") {
611 Some(s
) => match OutputFormat
::try_from(s
.as_str()) {
613 if !out_fmt
.is_json() && show_coverage
{
615 "html output format isn't supported for the --show-coverage option",
623 diag
.struct_err(&e
).emit();
627 None
=> OutputFormat
::default(),
629 let crate_name
= matches
.opt_str("crate-name");
630 let proc_macro_crate
= crate_types
.contains(&CrateType
::ProcMacro
);
631 let playground_url
= matches
.opt_str("playground-url");
632 let maybe_sysroot
= matches
.opt_str("sysroot").map(PathBuf
::from
);
633 let sort_modules_alphabetically
= !matches
.opt_present("sort-modules-by-appearance");
634 let resource_suffix
= matches
.opt_str("resource-suffix").unwrap_or_default();
635 let enable_minification
= !matches
.opt_present("disable-minification");
636 let markdown_no_toc
= matches
.opt_present("markdown-no-toc");
637 let markdown_css
= matches
.opt_strs("markdown-css");
638 let markdown_playground_url
= matches
.opt_str("markdown-playground-url");
639 let crate_version
= matches
.opt_str("crate-version");
640 let enable_index_page
= matches
.opt_present("enable-index-page") || index_page
.is_some();
641 let static_root_path
= matches
.opt_str("static-root-path");
642 let test_run_directory
= matches
.opt_str("test-run-directory").map(PathBuf
::from
);
643 let persist_doctests
= matches
.opt_str("persist-doctests").map(PathBuf
::from
);
644 let test_builder
= matches
.opt_str("test-builder").map(PathBuf
::from
);
645 let codegen_options_strs
= matches
.opt_strs("C");
646 let debugging_opts_strs
= matches
.opt_strs("Z");
647 let lib_strs
= matches
.opt_strs("L");
648 let extern_strs
= matches
.opt_strs("extern");
649 let runtool
= matches
.opt_str("runtool");
650 let runtool_args
= matches
.opt_strs("runtool-arg");
651 let enable_per_target_ignores
= matches
.opt_present("enable-per-target-ignores");
652 let document_private
= matches
.opt_present("document-private-items");
653 let document_hidden
= matches
.opt_present("document-hidden-items");
654 let run_check
= matches
.opt_present("check");
655 let generate_redirect_map
= matches
.opt_present("generate-redirect-map");
656 let show_type_layout
= matches
.opt_present("show-type-layout");
657 let nocapture
= matches
.opt_present("nocapture");
658 let generate_link_to_definition
= matches
.opt_present("generate-link-to-definition");
659 let extern_html_root_takes_precedence
=
660 matches
.opt_present("extern-html-root-takes-precedence");
662 if generate_link_to_definition
&& (show_coverage
|| output_format
!= OutputFormat
::Html
) {
664 "--generate-link-to-definition option can only be used with HTML output format",
670 let scrape_examples_options
= ScrapeExamplesOptions
::new(&matches
, &diag
)?
;
671 let with_examples
= matches
.opt_strs("with-examples");
672 let call_locations
= crate::scrape_examples
::load_call_locations(with_examples
, &diag
)?
;
674 let (lint_opts
, describe_lints
, lint_cap
) = get_cmd_lint_options(matches
, error_format
);
687 codegen_options_strs
,
704 enable_per_target_ignores
,
709 render_options
: RenderOptions
{
714 sort_modules_alphabetically
,
717 extern_html_root_urls
,
718 extern_html_root_takes_precedence
,
727 markdown_playground_url
,
730 generate_redirect_map
,
732 unstable_features
: rustc_feature
::UnstableFeatures
::from_environment(
733 crate_name
.as_deref(),
736 generate_link_to_definition
,
738 no_emit_shared
: false,
743 scrape_examples_options
,
747 /// Returns `true` if the file given as `self.input` is a Markdown file.
748 crate fn markdown_input(&self) -> bool
{
749 self.input
.extension().map_or(false, |e
| e
== "md" || e
== "markdown")
753 /// Prints deprecation warnings for deprecated options
754 fn check_deprecated_options(matches
: &getopts
::Matches
, diag
: &rustc_errors
::Handler
) {
755 let deprecated_flags
= [];
757 for &flag
in deprecated_flags
.iter() {
758 if matches
.opt_present(flag
) {
759 diag
.struct_warn(&format
!("the `{}` flag is deprecated", flag
))
761 "see issue #44136 <https://github.com/rust-lang/rust/issues/44136> \
762 for more information",
768 let removed_flags
= ["plugins", "plugin-path", "no-defaults", "passes", "input-format"];
770 for &flag
in removed_flags
.iter() {
771 if matches
.opt_present(flag
) {
772 let mut err
= diag
.struct_warn(&format
!("the `{}` flag no longer functions", flag
));
774 "see issue #44136 <https://github.com/rust-lang/rust/issues/44136> \
775 for more information",
778 if flag
== "no-defaults" || flag
== "passes" {
779 err
.help("you may want to use --document-private-items");
780 } else if flag
== "plugins" || flag
== "plugin-path" {
781 err
.warn("see CVE-2018-1000622");
789 /// Extracts `--extern-html-root-url` arguments from `matches` and returns a map of crate names to
790 /// the given URLs. If an `--extern-html-root-url` argument was ill-formed, returns an error
791 /// describing the issue.
792 fn parse_extern_html_roots(
793 matches
: &getopts
::Matches
,
794 ) -> Result
<BTreeMap
<String
, String
>, &'
static str> {
795 let mut externs
= BTreeMap
::new();
796 for arg
in &matches
.opt_strs("extern-html-root-url") {
798 arg
.split_once('
='
).ok_or("--extern-html-root-url must be of the form name=url")?
;
799 externs
.insert(name
.to_string(), url
.to_string());