| use crate::config::*; |
| |
| use crate::early_error; |
| use crate::lint; |
| use crate::search_paths::SearchPath; |
| use crate::utils::NativeLib; |
| use rustc_errors::LanguageIdentifier; |
| use rustc_target::spec::{CodeModel, LinkerFlavorCli, MergeFunctions, PanicStrategy, SanitizerSet}; |
| use rustc_target::spec::{ |
| RelocModel, RelroLevel, SplitDebuginfo, StackProtector, TargetTriple, TlsModel, |
| }; |
| |
| use rustc_feature::UnstableFeatures; |
| use rustc_span::edition::Edition; |
| use rustc_span::RealFileName; |
| use rustc_span::SourceFileHashAlgorithm; |
| |
| use std::collections::BTreeMap; |
| |
| use std::collections::hash_map::DefaultHasher; |
| use std::hash::Hasher; |
| use std::num::NonZeroUsize; |
| use std::path::PathBuf; |
| use std::str; |
| |
| macro_rules! insert { |
| ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr) => { |
| if $sub_hashes |
| .insert(stringify!($opt_name), $opt_expr as &dyn dep_tracking::DepTrackingHash) |
| .is_some() |
| { |
| panic!("duplicate key in CLI DepTrackingHash: {}", stringify!($opt_name)) |
| } |
| }; |
| } |
| |
| macro_rules! hash_opt { |
| ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [UNTRACKED]) => {{}}; |
| ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [TRACKED]) => {{ insert!($opt_name, $opt_expr, $sub_hashes) }}; |
| ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $for_crate_hash: ident, [TRACKED_NO_CRATE_HASH]) => {{ |
| if !$for_crate_hash { |
| insert!($opt_name, $opt_expr, $sub_hashes) |
| } |
| }}; |
| ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, $_for_crate_hash: ident, [SUBSTRUCT]) => {{}}; |
| } |
| |
| macro_rules! hash_substruct { |
| ($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [UNTRACKED]) => {{}}; |
| ($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [TRACKED]) => {{}}; |
| ($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [TRACKED_NO_CRATE_HASH]) => {{}}; |
| ($opt_name:ident, $opt_expr:expr, $error_format:expr, $for_crate_hash:expr, $hasher:expr, [SUBSTRUCT]) => { |
| use crate::config::dep_tracking::DepTrackingHash; |
| $opt_expr.dep_tracking_hash($for_crate_hash, $error_format).hash( |
| $hasher, |
| $error_format, |
| $for_crate_hash, |
| ); |
| }; |
| } |
| |
| macro_rules! top_level_options { |
| ( $( #[$top_level_attr:meta] )* pub struct Options { $( |
| $( #[$attr:meta] )* |
| $opt:ident : $t:ty [$dep_tracking_marker:ident], |
| )* } ) => ( |
| #[derive(Clone)] |
| $( #[$top_level_attr] )* |
| pub struct Options { |
| $( |
| $( #[$attr] )* |
| pub $opt: $t |
| ),* |
| } |
| |
| impl Options { |
| pub fn dep_tracking_hash(&self, for_crate_hash: bool) -> u64 { |
| let mut sub_hashes = BTreeMap::new(); |
| $({ |
| hash_opt!($opt, |
| &self.$opt, |
| &mut sub_hashes, |
| for_crate_hash, |
| [$dep_tracking_marker]); |
| })* |
| let mut hasher = DefaultHasher::new(); |
| dep_tracking::stable_hash(sub_hashes, |
| &mut hasher, |
| self.error_format, |
| for_crate_hash); |
| $({ |
| hash_substruct!($opt, |
| &self.$opt, |
| self.error_format, |
| for_crate_hash, |
| &mut hasher, |
| [$dep_tracking_marker]); |
| })* |
| hasher.finish() |
| } |
| } |
| ); |
| } |
| |
| top_level_options!( |
| /// The top-level command-line options struct. |
| /// |
| /// For each option, one has to specify how it behaves with regard to the |
| /// dependency tracking system of incremental compilation. This is done via the |
| /// square-bracketed directive after the field type. The options are: |
| /// |
| /// - `[TRACKED]` |
| /// A change in the given field will cause the compiler to completely clear the |
| /// incremental compilation cache before proceeding. |
| /// |
| /// - `[TRACKED_NO_CRATE_HASH]` |
| /// Same as `[TRACKED]`, but will not affect the crate hash. This is useful for options that only |
| /// affect the incremental cache. |
| /// |
| /// - `[UNTRACKED]` |
| /// Incremental compilation is not influenced by this option. |
| /// |
| /// - `[SUBSTRUCT]` |
| /// Second-level sub-structs containing more options. |
| /// |
| /// If you add a new option to this struct or one of the sub-structs like |
| /// `CodegenOptions`, think about how it influences incremental compilation. If in |
| /// doubt, specify `[TRACKED]`, which is always "correct" but might lead to |
| /// unnecessary re-compilation. |
| #[rustc_lint_opt_ty] |
| pub struct Options { |
| /// The crate config requested for the session, which may be combined |
| /// with additional crate configurations during the compile process. |
| #[rustc_lint_opt_deny_field_access("use `Session::crate_types` instead of this field")] |
| crate_types: Vec<CrateType> [TRACKED], |
| optimize: OptLevel [TRACKED], |
| /// Include the `debug_assertions` flag in dependency tracking, since it |
| /// can influence whether overflow checks are done or not. |
| debug_assertions: bool [TRACKED], |
| debuginfo: DebugInfo [TRACKED], |
| lint_opts: Vec<(String, lint::Level)> [TRACKED_NO_CRATE_HASH], |
| lint_cap: Option<lint::Level> [TRACKED_NO_CRATE_HASH], |
| describe_lints: bool [UNTRACKED], |
| output_types: OutputTypes [TRACKED], |
| search_paths: Vec<SearchPath> [UNTRACKED], |
| libs: Vec<NativeLib> [TRACKED], |
| maybe_sysroot: Option<PathBuf> [UNTRACKED], |
| |
| target_triple: TargetTriple [TRACKED], |
| |
| test: bool [TRACKED], |
| error_format: ErrorOutputType [UNTRACKED], |
| diagnostic_width: Option<usize> [UNTRACKED], |
| |
| /// If `Some`, enable incremental compilation, using the given |
| /// directory to store intermediate results. |
| incremental: Option<PathBuf> [UNTRACKED], |
| assert_incr_state: Option<IncrementalStateAssertion> [UNTRACKED], |
| |
| unstable_opts: UnstableOptions [SUBSTRUCT], |
| prints: Vec<PrintRequest> [UNTRACKED], |
| cg: CodegenOptions [SUBSTRUCT], |
| externs: Externs [UNTRACKED], |
| crate_name: Option<String> [TRACKED], |
| /// Indicates how the compiler should treat unstable features. |
| unstable_features: UnstableFeatures [TRACKED], |
| |
| /// Indicates whether this run of the compiler is actually rustdoc. This |
| /// is currently just a hack and will be removed eventually, so please |
| /// try to not rely on this too much. |
| actually_rustdoc: bool [TRACKED], |
| |
| /// Control path trimming. |
| trimmed_def_paths: TrimmedDefPaths [TRACKED], |
| |
| /// Specifications of codegen units / ThinLTO which are forced as a |
| /// result of parsing command line options. These are not necessarily |
| /// what rustc was invoked with, but massaged a bit to agree with |
| /// commands like `--emit llvm-ir` which they're often incompatible with |
| /// if we otherwise use the defaults of rustc. |
| #[rustc_lint_opt_deny_field_access("use `Session::codegen_units` instead of this field")] |
| cli_forced_codegen_units: Option<usize> [UNTRACKED], |
| #[rustc_lint_opt_deny_field_access("use `Session::lto` instead of this field")] |
| cli_forced_thinlto_off: bool [UNTRACKED], |
| |
| /// Remap source path prefixes in all output (messages, object files, debug, etc.). |
| remap_path_prefix: Vec<(PathBuf, PathBuf)> [TRACKED_NO_CRATE_HASH], |
| /// Base directory containing the `src/` for the Rust standard library, and |
| /// potentially `rustc` as well, if we can find it. Right now it's always |
| /// `$sysroot/lib/rustlib/src/rust` (i.e. the `rustup` `rust-src` component). |
| /// |
| /// This directory is what the virtual `/rustc/$hash` is translated back to, |
| /// if Rust was built with path remapping to `/rustc/$hash` enabled |
| /// (the `rust.remap-debuginfo` option in `config.toml`). |
| real_rust_source_base_dir: Option<PathBuf> [TRACKED_NO_CRATE_HASH], |
| |
| edition: Edition [TRACKED], |
| |
| /// `true` if we're emitting JSON blobs about each artifact produced |
| /// by the compiler. |
| json_artifact_notifications: bool [TRACKED], |
| |
| /// `true` if we're emitting a JSON blob containing the unused externs |
| json_unused_externs: JsonUnusedExterns [UNTRACKED], |
| |
| /// `true` if we're emitting a JSON job containing a future-incompat report for lints |
| json_future_incompat: bool [TRACKED], |
| |
| pretty: Option<PpMode> [UNTRACKED], |
| |
| /// The (potentially remapped) working directory |
| working_dir: RealFileName [TRACKED], |
| } |
| ); |
| |
| /// Defines all `CodegenOptions`/`DebuggingOptions` fields and parsers all at once. The goal of this |
| /// macro is to define an interface that can be programmatically used by the option parser |
| /// to initialize the struct without hardcoding field names all over the place. |
| /// |
| /// The goal is to invoke this macro once with the correct fields, and then this macro generates all |
| /// necessary code. The main gotcha of this macro is the `cgsetters` module which is a bunch of |
| /// generated code to parse an option into its respective field in the struct. There are a few |
| /// hand-written parsers for parsing specific types of values in this module. |
| macro_rules! options { |
| ($struct_name:ident, $stat:ident, $optmod:ident, $prefix:expr, $outputname:expr, |
| $($( #[$attr:meta] )* $opt:ident : $t:ty = ( |
| $init:expr, |
| $parse:ident, |
| [$dep_tracking_marker:ident], |
| $desc:expr) |
| ),* ,) => |
| ( |
| #[derive(Clone)] |
| #[rustc_lint_opt_ty] |
| pub struct $struct_name { $( $( #[$attr] )* pub $opt: $t),* } |
| |
| impl Default for $struct_name { |
| fn default() -> $struct_name { |
| $struct_name { $($opt: $init),* } |
| } |
| } |
| |
| impl $struct_name { |
| pub fn build( |
| matches: &getopts::Matches, |
| error_format: ErrorOutputType, |
| ) -> $struct_name { |
| build_options(matches, $stat, $prefix, $outputname, error_format) |
| } |
| |
| fn dep_tracking_hash(&self, for_crate_hash: bool, error_format: ErrorOutputType) -> u64 { |
| let mut sub_hashes = BTreeMap::new(); |
| $({ |
| hash_opt!($opt, |
| &self.$opt, |
| &mut sub_hashes, |
| for_crate_hash, |
| [$dep_tracking_marker]); |
| })* |
| let mut hasher = DefaultHasher::new(); |
| dep_tracking::stable_hash(sub_hashes, |
| &mut hasher, |
| error_format, |
| for_crate_hash |
| ); |
| hasher.finish() |
| } |
| } |
| |
| pub const $stat: OptionDescrs<$struct_name> = |
| &[ $( (stringify!($opt), $optmod::$opt, desc::$parse, $desc) ),* ]; |
| |
| mod $optmod { |
| $( |
| pub(super) fn $opt(cg: &mut super::$struct_name, v: Option<&str>) -> bool { |
| super::parse::$parse(&mut redirect_field!(cg.$opt), v) |
| } |
| )* |
| } |
| |
| ) } |
| |
| impl CodegenOptions { |
| // JUSTIFICATION: defn of the suggested wrapper fn |
| #[allow(rustc::bad_opt_access)] |
| pub fn instrument_coverage(&self) -> InstrumentCoverage { |
| self.instrument_coverage.unwrap_or(InstrumentCoverage::Off) |
| } |
| } |
| |
| // Sometimes different options need to build a common structure. |
| // That structure can be kept in one of the options' fields, the others become dummy. |
| macro_rules! redirect_field { |
| ($cg:ident.link_arg) => { |
| $cg.link_args |
| }; |
| ($cg:ident.pre_link_arg) => { |
| $cg.pre_link_args |
| }; |
| ($cg:ident.$field:ident) => { |
| $cg.$field |
| }; |
| } |
| |
| type OptionSetter<O> = fn(&mut O, v: Option<&str>) -> bool; |
| type OptionDescrs<O> = &'static [(&'static str, OptionSetter<O>, &'static str, &'static str)]; |
| |
| fn build_options<O: Default>( |
| matches: &getopts::Matches, |
| descrs: OptionDescrs<O>, |
| prefix: &str, |
| outputname: &str, |
| error_format: ErrorOutputType, |
| ) -> O { |
| let mut op = O::default(); |
| for option in matches.opt_strs(prefix) { |
| let (key, value) = match option.split_once('=') { |
| None => (option, None), |
| Some((k, v)) => (k.to_string(), Some(v)), |
| }; |
| |
| let option_to_lookup = key.replace('-', "_"); |
| match descrs.iter().find(|(name, ..)| *name == option_to_lookup) { |
| Some((_, setter, type_desc, _)) => { |
| if !setter(&mut op, value) { |
| match value { |
| None => early_error( |
| error_format, |
| &format!( |
| "{0} option `{1}` requires {2} ({3} {1}=<value>)", |
| outputname, key, type_desc, prefix |
| ), |
| ), |
| Some(value) => early_error( |
| error_format, |
| &format!( |
| "incorrect value `{value}` for {outputname} option `{key}` - {type_desc} was expected" |
| ), |
| ), |
| } |
| } |
| } |
| None => early_error(error_format, &format!("unknown {outputname} option: `{key}`")), |
| } |
| } |
| return op; |
| } |
| |
| #[allow(non_upper_case_globals)] |
| mod desc { |
| pub const parse_no_flag: &str = "no value"; |
| pub const parse_bool: &str = "one of: `y`, `yes`, `on`, `n`, `no`, or `off`"; |
| pub const parse_opt_bool: &str = parse_bool; |
| pub const parse_string: &str = "a string"; |
| pub const parse_opt_string: &str = parse_string; |
| pub const parse_string_push: &str = parse_string; |
| pub const parse_opt_langid: &str = "a language identifier"; |
| pub const parse_opt_pathbuf: &str = "a path"; |
| pub const parse_list: &str = "a space-separated list of strings"; |
| pub const parse_list_with_polarity: &str = |
| "a comma-separated list of strings, with elements beginning with + or -"; |
| pub const parse_opt_comma_list: &str = "a comma-separated list of strings"; |
| pub const parse_number: &str = "a number"; |
| pub const parse_opt_number: &str = parse_number; |
| pub const parse_threads: &str = parse_number; |
| pub const parse_passes: &str = "a space-separated list of passes, or `all`"; |
| pub const parse_panic_strategy: &str = "either `unwind` or `abort`"; |
| pub const parse_opt_panic_strategy: &str = parse_panic_strategy; |
| pub const parse_oom_strategy: &str = "either `panic` or `abort`"; |
| pub const parse_relro_level: &str = "one of: `full`, `partial`, or `off`"; |
| pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `leak`, `memory`, `memtag`, `shadow-call-stack`, or `thread`"; |
| pub const parse_sanitizer_memory_track_origins: &str = "0, 1, or 2"; |
| pub const parse_cfguard: &str = |
| "either a boolean (`yes`, `no`, `on`, `off`, etc), `checks`, or `nochecks`"; |
| pub const parse_cfprotection: &str = "`none`|`no`|`n` (default), `branch`, `return`, or `full`|`yes`|`y` (equivalent to `branch` and `return`)"; |
| pub const parse_strip: &str = "either `none`, `debuginfo`, or `symbols`"; |
| pub const parse_linker_flavor: &str = ::rustc_target::spec::LinkerFlavorCli::one_of(); |
| pub const parse_optimization_fuel: &str = "crate=integer"; |
| pub const parse_mir_spanview: &str = "`statement` (default), `terminator`, or `block`"; |
| pub const parse_instrument_coverage: &str = |
| "`all` (default), `except-unused-generics`, `except-unused-functions`, or `off`"; |
| pub const parse_unpretty: &str = "`string` or `string=string`"; |
| pub const parse_treat_err_as_bug: &str = "either no value or a number bigger than 0"; |
| pub const parse_lto: &str = |
| "either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted"; |
| pub const parse_linker_plugin_lto: &str = |
| "either a boolean (`yes`, `no`, `on`, `off`, etc), or the path to the linker plugin"; |
| pub const parse_location_detail: &str = "either `none`, or a comma separated list of location details to track: `file`, `line`, or `column`"; |
| pub const parse_switch_with_opt_path: &str = |
| "an optional path to the profiling data output directory"; |
| pub const parse_merge_functions: &str = "one of: `disabled`, `trampolines`, or `aliases`"; |
| pub const parse_symbol_mangling_version: &str = "either `legacy` or `v0` (RFC 2603)"; |
| pub const parse_src_file_hash: &str = "either `md5` or `sha1`"; |
| pub const parse_relocation_model: &str = |
| "one of supported relocation models (`rustc --print relocation-models`)"; |
| pub const parse_code_model: &str = "one of supported code models (`rustc --print code-models`)"; |
| pub const parse_tls_model: &str = "one of supported TLS models (`rustc --print tls-models`)"; |
| pub const parse_target_feature: &str = parse_string; |
| pub const parse_wasi_exec_model: &str = "either `command` or `reactor`"; |
| pub const parse_split_debuginfo: &str = |
| "one of supported split-debuginfo modes (`off`, `packed`, or `unpacked`)"; |
| pub const parse_split_dwarf_kind: &str = |
| "one of supported split dwarf modes (`split` or `single`)"; |
| pub const parse_gcc_ld: &str = "one of: no value, `lld`"; |
| pub const parse_stack_protector: &str = |
| "one of (`none` (default), `basic`, `strong`, or `all`)"; |
| pub const parse_branch_protection: &str = |
| "a `,` separated combination of `bti`, `b-key`, `pac-ret`, or `leaf`"; |
| pub const parse_proc_macro_execution_strategy: &str = |
| "one of supported execution strategies (`same-thread`, or `cross-thread`)"; |
| } |
| |
| mod parse { |
| pub(crate) use super::*; |
| use std::str::FromStr; |
| |
| /// This is for boolean options that don't take a value and start with |
| /// `no-`. This style of option is deprecated. |
| pub(crate) fn parse_no_flag(slot: &mut bool, v: Option<&str>) -> bool { |
| match v { |
| None => { |
| *slot = true; |
| true |
| } |
| Some(_) => false, |
| } |
| } |
| |
| /// Use this for any boolean option that has a static default. |
| pub(crate) fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool { |
| match v { |
| Some("y") | Some("yes") | Some("on") | None => { |
| *slot = true; |
| true |
| } |
| Some("n") | Some("no") | Some("off") => { |
| *slot = false; |
| true |
| } |
| _ => false, |
| } |
| } |
| |
| /// Use this for any boolean option that lacks a static default. (The |
| /// actions taken when such an option is not specified will depend on |
| /// other factors, such as other options, or target options.) |
| pub(crate) fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool { |
| match v { |
| Some("y") | Some("yes") | Some("on") | None => { |
| *slot = Some(true); |
| true |
| } |
| Some("n") | Some("no") | Some("off") => { |
| *slot = Some(false); |
| true |
| } |
| _ => false, |
| } |
| } |
| |
| /// Use this for any string option that has a static default. |
| pub(crate) fn parse_string(slot: &mut String, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| *slot = s.to_string(); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| /// Use this for any string option that lacks a static default. |
| pub(crate) fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| *slot = Some(s.to_string()); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| /// Parse an optional language identifier, e.g. `en-US` or `zh-CN`. |
| pub(crate) fn parse_opt_langid(slot: &mut Option<LanguageIdentifier>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| *slot = rustc_errors::LanguageIdentifier::from_str(s).ok(); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_opt_pathbuf(slot: &mut Option<PathBuf>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| *slot = Some(PathBuf::from(s)); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| slot.push(s.to_string()); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_list(slot: &mut Vec<String>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| slot.extend(s.split_whitespace().map(|s| s.to_string())); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_list_with_polarity( |
| slot: &mut Vec<(String, bool)>, |
| v: Option<&str>, |
| ) -> bool { |
| match v { |
| Some(s) => { |
| for s in s.split(',') { |
| let Some(pass_name) = s.strip_prefix(&['+', '-'][..]) else { return false }; |
| slot.push((pass_name.to_string(), &s[..1] == "+")); |
| } |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_location_detail(ld: &mut LocationDetail, v: Option<&str>) -> bool { |
| if let Some(v) = v { |
| ld.line = false; |
| ld.file = false; |
| ld.column = false; |
| if v == "none" { |
| return true; |
| } |
| for s in v.split(',') { |
| match s { |
| "file" => ld.file = true, |
| "line" => ld.line = true, |
| "column" => ld.column = true, |
| _ => return false, |
| } |
| } |
| true |
| } else { |
| false |
| } |
| } |
| |
| pub(crate) fn parse_opt_comma_list(slot: &mut Option<Vec<String>>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| let mut v: Vec<_> = s.split(',').map(|s| s.to_string()).collect(); |
| v.sort_unstable(); |
| *slot = Some(v); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_threads(slot: &mut usize, v: Option<&str>) -> bool { |
| match v.and_then(|s| s.parse().ok()) { |
| Some(0) => { |
| *slot = std::thread::available_parallelism().map_or(1, std::num::NonZeroUsize::get); |
| true |
| } |
| Some(i) => { |
| *slot = i; |
| true |
| } |
| None => false, |
| } |
| } |
| |
| /// Use this for any numeric option that has a static default. |
| pub(crate) fn parse_number<T: Copy + FromStr>(slot: &mut T, v: Option<&str>) -> bool { |
| match v.and_then(|s| s.parse().ok()) { |
| Some(i) => { |
| *slot = i; |
| true |
| } |
| None => false, |
| } |
| } |
| |
| /// Use this for any numeric option that lacks a static default. |
| pub(crate) fn parse_opt_number<T: Copy + FromStr>( |
| slot: &mut Option<T>, |
| v: Option<&str>, |
| ) -> bool { |
| match v { |
| Some(s) => { |
| *slot = s.parse().ok(); |
| slot.is_some() |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool { |
| match v { |
| Some("all") => { |
| *slot = Passes::All; |
| true |
| } |
| v => { |
| let mut passes = vec![]; |
| if parse_list(&mut passes, v) { |
| slot.extend(passes); |
| true |
| } else { |
| false |
| } |
| } |
| } |
| } |
| |
| pub(crate) fn parse_opt_panic_strategy( |
| slot: &mut Option<PanicStrategy>, |
| v: Option<&str>, |
| ) -> bool { |
| match v { |
| Some("unwind") => *slot = Some(PanicStrategy::Unwind), |
| Some("abort") => *slot = Some(PanicStrategy::Abort), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_panic_strategy(slot: &mut PanicStrategy, v: Option<&str>) -> bool { |
| match v { |
| Some("unwind") => *slot = PanicStrategy::Unwind, |
| Some("abort") => *slot = PanicStrategy::Abort, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_oom_strategy(slot: &mut OomStrategy, v: Option<&str>) -> bool { |
| match v { |
| Some("panic") => *slot = OomStrategy::Panic, |
| Some("abort") => *slot = OomStrategy::Abort, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_relro_level(slot: &mut Option<RelroLevel>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => match s.parse::<RelroLevel>() { |
| Ok(level) => *slot = Some(level), |
| _ => return false, |
| }, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_sanitizers(slot: &mut SanitizerSet, v: Option<&str>) -> bool { |
| if let Some(v) = v { |
| for s in v.split(',') { |
| *slot |= match s { |
| "address" => SanitizerSet::ADDRESS, |
| "cfi" => SanitizerSet::CFI, |
| "leak" => SanitizerSet::LEAK, |
| "memory" => SanitizerSet::MEMORY, |
| "memtag" => SanitizerSet::MEMTAG, |
| "shadow-call-stack" => SanitizerSet::SHADOWCALLSTACK, |
| "thread" => SanitizerSet::THREAD, |
| "hwaddress" => SanitizerSet::HWADDRESS, |
| _ => return false, |
| } |
| } |
| true |
| } else { |
| false |
| } |
| } |
| |
| pub(crate) fn parse_sanitizer_memory_track_origins(slot: &mut usize, v: Option<&str>) -> bool { |
| match v { |
| Some("2") | None => { |
| *slot = 2; |
| true |
| } |
| Some("1") => { |
| *slot = 1; |
| true |
| } |
| Some("0") => { |
| *slot = 0; |
| true |
| } |
| Some(_) => false, |
| } |
| } |
| |
| pub(crate) fn parse_strip(slot: &mut Strip, v: Option<&str>) -> bool { |
| match v { |
| Some("none") => *slot = Strip::None, |
| Some("debuginfo") => *slot = Strip::Debuginfo, |
| Some("symbols") => *slot = Strip::Symbols, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_cfguard(slot: &mut CFGuard, v: Option<&str>) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { CFGuard::Checks } else { CFGuard::Disabled }; |
| return true; |
| } |
| } |
| |
| *slot = match v { |
| None => CFGuard::Checks, |
| Some("checks") => CFGuard::Checks, |
| Some("nochecks") => CFGuard::NoChecks, |
| Some(_) => return false, |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_cfprotection(slot: &mut CFProtection, v: Option<&str>) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { CFProtection::Full } else { CFProtection::None }; |
| return true; |
| } |
| } |
| |
| *slot = match v { |
| None | Some("none") => CFProtection::None, |
| Some("branch") => CFProtection::Branch, |
| Some("return") => CFProtection::Return, |
| Some("full") => CFProtection::Full, |
| Some(_) => return false, |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_linker_flavor(slot: &mut Option<LinkerFlavorCli>, v: Option<&str>) -> bool { |
| match v.and_then(LinkerFlavorCli::from_str) { |
| Some(lf) => *slot = Some(lf), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_optimization_fuel( |
| slot: &mut Option<(String, u64)>, |
| v: Option<&str>, |
| ) -> bool { |
| match v { |
| None => false, |
| Some(s) => { |
| let parts = s.split('=').collect::<Vec<_>>(); |
| if parts.len() != 2 { |
| return false; |
| } |
| let crate_name = parts[0].to_string(); |
| let fuel = parts[1].parse::<u64>(); |
| if fuel.is_err() { |
| return false; |
| } |
| *slot = Some((crate_name, fuel.unwrap())); |
| true |
| } |
| } |
| } |
| |
| pub(crate) fn parse_unpretty(slot: &mut Option<String>, v: Option<&str>) -> bool { |
| match v { |
| None => false, |
| Some(s) if s.split('=').count() <= 2 => { |
| *slot = Some(s.to_string()); |
| true |
| } |
| _ => false, |
| } |
| } |
| |
| pub(crate) fn parse_mir_spanview(slot: &mut Option<MirSpanview>, v: Option<&str>) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { Some(MirSpanview::Statement) } else { None }; |
| return true; |
| } |
| } |
| |
| let Some(v) = v else { |
| *slot = Some(MirSpanview::Statement); |
| return true; |
| }; |
| |
| *slot = Some(match v.trim_end_matches('s') { |
| "statement" | "stmt" => MirSpanview::Statement, |
| "terminator" | "term" => MirSpanview::Terminator, |
| "block" | "basicblock" => MirSpanview::Block, |
| _ => return false, |
| }); |
| true |
| } |
| |
| pub(crate) fn parse_instrument_coverage( |
| slot: &mut Option<InstrumentCoverage>, |
| v: Option<&str>, |
| ) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { Some(InstrumentCoverage::All) } else { None }; |
| return true; |
| } |
| } |
| |
| let Some(v) = v else { |
| *slot = Some(InstrumentCoverage::All); |
| return true; |
| }; |
| |
| *slot = Some(match v { |
| "all" => InstrumentCoverage::All, |
| "except-unused-generics" | "except_unused_generics" => { |
| InstrumentCoverage::ExceptUnusedGenerics |
| } |
| "except-unused-functions" | "except_unused_functions" => { |
| InstrumentCoverage::ExceptUnusedFunctions |
| } |
| "off" | "no" | "n" | "false" | "0" => InstrumentCoverage::Off, |
| _ => return false, |
| }); |
| true |
| } |
| |
| pub(crate) fn parse_treat_err_as_bug(slot: &mut Option<NonZeroUsize>, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| *slot = s.parse().ok(); |
| slot.is_some() |
| } |
| None => { |
| *slot = NonZeroUsize::new(1); |
| true |
| } |
| } |
| } |
| |
| pub(crate) fn parse_lto(slot: &mut LtoCli, v: Option<&str>) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { LtoCli::Yes } else { LtoCli::No }; |
| return true; |
| } |
| } |
| |
| *slot = match v { |
| None => LtoCli::NoParam, |
| Some("thin") => LtoCli::Thin, |
| Some("fat") => LtoCli::Fat, |
| Some(_) => return false, |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_linker_plugin_lto(slot: &mut LinkerPluginLto, v: Option<&str>) -> bool { |
| if v.is_some() { |
| let mut bool_arg = None; |
| if parse_opt_bool(&mut bool_arg, v) { |
| *slot = if bool_arg.unwrap() { |
| LinkerPluginLto::LinkerPluginAuto |
| } else { |
| LinkerPluginLto::Disabled |
| }; |
| return true; |
| } |
| } |
| |
| *slot = match v { |
| None => LinkerPluginLto::LinkerPluginAuto, |
| Some(path) => LinkerPluginLto::LinkerPlugin(PathBuf::from(path)), |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_switch_with_opt_path( |
| slot: &mut SwitchWithOptPath, |
| v: Option<&str>, |
| ) -> bool { |
| *slot = match v { |
| None => SwitchWithOptPath::Enabled(None), |
| Some(path) => SwitchWithOptPath::Enabled(Some(PathBuf::from(path))), |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_merge_functions( |
| slot: &mut Option<MergeFunctions>, |
| v: Option<&str>, |
| ) -> bool { |
| match v.and_then(|s| MergeFunctions::from_str(s).ok()) { |
| Some(mergefunc) => *slot = Some(mergefunc), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_relocation_model(slot: &mut Option<RelocModel>, v: Option<&str>) -> bool { |
| match v.and_then(|s| RelocModel::from_str(s).ok()) { |
| Some(relocation_model) => *slot = Some(relocation_model), |
| None if v == Some("default") => *slot = None, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_code_model(slot: &mut Option<CodeModel>, v: Option<&str>) -> bool { |
| match v.and_then(|s| CodeModel::from_str(s).ok()) { |
| Some(code_model) => *slot = Some(code_model), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_tls_model(slot: &mut Option<TlsModel>, v: Option<&str>) -> bool { |
| match v.and_then(|s| TlsModel::from_str(s).ok()) { |
| Some(tls_model) => *slot = Some(tls_model), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_symbol_mangling_version( |
| slot: &mut Option<SymbolManglingVersion>, |
| v: Option<&str>, |
| ) -> bool { |
| *slot = match v { |
| Some("legacy") => Some(SymbolManglingVersion::Legacy), |
| Some("v0") => Some(SymbolManglingVersion::V0), |
| _ => return false, |
| }; |
| true |
| } |
| |
| pub(crate) fn parse_src_file_hash( |
| slot: &mut Option<SourceFileHashAlgorithm>, |
| v: Option<&str>, |
| ) -> bool { |
| match v.and_then(|s| SourceFileHashAlgorithm::from_str(s).ok()) { |
| Some(hash_kind) => *slot = Some(hash_kind), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_target_feature(slot: &mut String, v: Option<&str>) -> bool { |
| match v { |
| Some(s) => { |
| if !slot.is_empty() { |
| slot.push(','); |
| } |
| slot.push_str(s); |
| true |
| } |
| None => false, |
| } |
| } |
| |
| pub(crate) fn parse_wasi_exec_model(slot: &mut Option<WasiExecModel>, v: Option<&str>) -> bool { |
| match v { |
| Some("command") => *slot = Some(WasiExecModel::Command), |
| Some("reactor") => *slot = Some(WasiExecModel::Reactor), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_split_debuginfo( |
| slot: &mut Option<SplitDebuginfo>, |
| v: Option<&str>, |
| ) -> bool { |
| match v.and_then(|s| SplitDebuginfo::from_str(s).ok()) { |
| Some(e) => *slot = Some(e), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_split_dwarf_kind(slot: &mut SplitDwarfKind, v: Option<&str>) -> bool { |
| match v.and_then(|s| SplitDwarfKind::from_str(s).ok()) { |
| Some(e) => *slot = e, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_gcc_ld(slot: &mut Option<LdImpl>, v: Option<&str>) -> bool { |
| match v { |
| None => *slot = None, |
| Some("lld") => *slot = Some(LdImpl::Lld), |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_stack_protector(slot: &mut StackProtector, v: Option<&str>) -> bool { |
| match v.and_then(|s| StackProtector::from_str(s).ok()) { |
| Some(ssp) => *slot = ssp, |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_branch_protection( |
| slot: &mut Option<BranchProtection>, |
| v: Option<&str>, |
| ) -> bool { |
| match v { |
| Some(s) => { |
| let slot = slot.get_or_insert_default(); |
| for opt in s.split(',') { |
| match opt { |
| "bti" => slot.bti = true, |
| "pac-ret" if slot.pac_ret.is_none() => { |
| slot.pac_ret = Some(PacRet { leaf: false, key: PAuthKey::A }) |
| } |
| "leaf" => match slot.pac_ret.as_mut() { |
| Some(pac) => pac.leaf = true, |
| _ => return false, |
| }, |
| "b-key" => match slot.pac_ret.as_mut() { |
| Some(pac) => pac.key = PAuthKey::B, |
| _ => return false, |
| }, |
| _ => return false, |
| }; |
| } |
| } |
| _ => return false, |
| } |
| true |
| } |
| |
| pub(crate) fn parse_proc_macro_execution_strategy( |
| slot: &mut ProcMacroExecutionStrategy, |
| v: Option<&str>, |
| ) -> bool { |
| *slot = match v { |
| Some("same-thread") => ProcMacroExecutionStrategy::SameThread, |
| Some("cross-thread") => ProcMacroExecutionStrategy::CrossThread, |
| _ => return false, |
| }; |
| true |
| } |
| } |
| |
| options! { |
| CodegenOptions, CG_OPTIONS, cgopts, "C", "codegen", |
| |
| // If you add a new option, please update: |
| // - compiler/rustc_interface/src/tests.rs |
| // - src/doc/rustc/src/codegen-options/index.md |
| |
| // tidy-alphabetical-start |
| ar: String = (String::new(), parse_string, [UNTRACKED], |
| "this option is deprecated and does nothing"), |
| #[rustc_lint_opt_deny_field_access("use `Session::code_model` instead of this field")] |
| code_model: Option<CodeModel> = (None, parse_code_model, [TRACKED], |
| "choose the code model to use (`rustc --print code-models` for details)"), |
| codegen_units: Option<usize> = (None, parse_opt_number, [UNTRACKED], |
| "divide crate into N units to optimize in parallel"), |
| control_flow_guard: CFGuard = (CFGuard::Disabled, parse_cfguard, [TRACKED], |
| "use Windows Control Flow Guard (default: no)"), |
| debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "explicitly enable the `cfg(debug_assertions)` directive"), |
| debuginfo: usize = (0, parse_number, [TRACKED], |
| "debug info emission level (0 = no debug info, 1 = line tables only, \ |
| 2 = full debug info with variable and type information; default: 0)"), |
| default_linker_libraries: bool = (false, parse_bool, [UNTRACKED], |
| "allow the linker to link its default libraries (default: no)"), |
| embed_bitcode: bool = (true, parse_bool, [TRACKED], |
| "emit bitcode in rlibs (default: yes)"), |
| extra_filename: String = (String::new(), parse_string, [UNTRACKED], |
| "extra data to put in each output filename"), |
| force_frame_pointers: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "force use of the frame pointers"), |
| #[rustc_lint_opt_deny_field_access("use `Session::must_emit_unwind_tables` instead of this field")] |
| force_unwind_tables: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "force use of unwind tables"), |
| incremental: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "enable incremental compilation"), |
| inline_threshold: Option<u32> = (None, parse_opt_number, [TRACKED], |
| "set the threshold for inlining a function"), |
| #[rustc_lint_opt_deny_field_access("use `Session::instrument_coverage` instead of this field")] |
| instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED], |
| "instrument the generated code to support LLVM source-based code coverage \ |
| reports (note, the compiler build config must include `profiler = true`); \ |
| implies `-C symbol-mangling-version=v0`. Optional values are: |
| `=all` (implicit value) |
| `=except-unused-generics` |
| `=except-unused-functions` |
| `=off` (default)"), |
| link_arg: (/* redirected to link_args */) = ((), parse_string_push, [UNTRACKED], |
| "a single extra argument to append to the linker invocation (can be used several times)"), |
| link_args: Vec<String> = (Vec::new(), parse_list, [UNTRACKED], |
| "extra arguments to append to the linker invocation (space separated)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::link_dead_code` instead of this field")] |
| link_dead_code: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "keep dead code at link time (useful for code coverage) (default: no)"), |
| link_self_contained: Option<bool> = (None, parse_opt_bool, [UNTRACKED], |
| "control whether to link Rust provided C objects/libraries or rely |
| on C toolchain installed in the system"), |
| linker: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED], |
| "system linker to link outputs with"), |
| linker_flavor: Option<LinkerFlavorCli> = (None, parse_linker_flavor, [UNTRACKED], |
| "linker flavor"), |
| linker_plugin_lto: LinkerPluginLto = (LinkerPluginLto::Disabled, |
| parse_linker_plugin_lto, [TRACKED], |
| "generate build artifacts that are compatible with linker-based LTO"), |
| llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED], |
| "a list of arguments to pass to LLVM (space separated)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::lto` instead of this field")] |
| lto: LtoCli = (LtoCli::Unspecified, parse_lto, [TRACKED], |
| "perform LLVM link-time optimizations"), |
| metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED], |
| "metadata to mangle symbol names with"), |
| no_prepopulate_passes: bool = (false, parse_no_flag, [TRACKED], |
| "give an empty list of passes to the pass manager"), |
| no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "disable the use of the redzone"), |
| no_stack_check: bool = (false, parse_no_flag, [UNTRACKED], |
| "this option is deprecated and does nothing"), |
| no_vectorize_loops: bool = (false, parse_no_flag, [TRACKED], |
| "disable loop vectorization optimization passes"), |
| no_vectorize_slp: bool = (false, parse_no_flag, [TRACKED], |
| "disable LLVM's SLP vectorization pass"), |
| opt_level: String = ("0".to_string(), parse_string, [TRACKED], |
| "optimization level (0-3, s, or z; default: 0)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::overflow_checks` instead of this field")] |
| overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "use overflow checks for integer arithmetic"), |
| #[rustc_lint_opt_deny_field_access("use `Session::panic_strategy` instead of this field")] |
| panic: Option<PanicStrategy> = (None, parse_opt_panic_strategy, [TRACKED], |
| "panic strategy to compile crate with"), |
| passes: Vec<String> = (Vec::new(), parse_list, [TRACKED], |
| "a list of extra LLVM passes to run (space separated)"), |
| prefer_dynamic: bool = (false, parse_bool, [TRACKED], |
| "prefer dynamic linking to static linking (default: no)"), |
| profile_generate: SwitchWithOptPath = (SwitchWithOptPath::Disabled, |
| parse_switch_with_opt_path, [TRACKED], |
| "compile the program with profiling instrumentation"), |
| profile_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "use the given `.profdata` file for profile-guided optimization"), |
| #[rustc_lint_opt_deny_field_access("use `Session::relocation_model` instead of this field")] |
| relocation_model: Option<RelocModel> = (None, parse_relocation_model, [TRACKED], |
| "control generation of position-independent code (PIC) \ |
| (`rustc --print relocation-models` for details)"), |
| remark: Passes = (Passes::Some(Vec::new()), parse_passes, [UNTRACKED], |
| "print remarks for these optimization passes (space separated, or \"all\")"), |
| rpath: bool = (false, parse_bool, [UNTRACKED], |
| "set rpath values in libs/exes (default: no)"), |
| save_temps: bool = (false, parse_bool, [UNTRACKED], |
| "save all temporary output files during compilation (default: no)"), |
| soft_float: bool = (false, parse_bool, [TRACKED], |
| "use soft float ABI (*eabihf targets only) (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::split_debuginfo` instead of this field")] |
| split_debuginfo: Option<SplitDebuginfo> = (None, parse_split_debuginfo, [TRACKED], |
| "how to handle split-debuginfo, a platform-specific option"), |
| strip: Strip = (Strip::None, parse_strip, [UNTRACKED], |
| "tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"), |
| symbol_mangling_version: Option<SymbolManglingVersion> = (None, |
| parse_symbol_mangling_version, [TRACKED], |
| "which mangling version to use for symbol names ('legacy' (default) or 'v0')"), |
| target_cpu: Option<String> = (None, parse_opt_string, [TRACKED], |
| "select target processor (`rustc --print target-cpus` for details)"), |
| target_feature: String = (String::new(), parse_target_feature, [TRACKED], |
| "target specific attributes. (`rustc --print target-features` for details). \ |
| This feature is unsafe."), |
| // tidy-alphabetical-end |
| |
| // If you add a new option, please update: |
| // - compiler/rustc_interface/src/tests.rs |
| // - src/doc/rustc/src/codegen-options/index.md |
| } |
| |
| options! { |
| UnstableOptions, Z_OPTIONS, dbopts, "Z", "unstable", |
| |
| // If you add a new option, please update: |
| // - compiler/rustc_interface/src/tests.rs |
| // - src/doc/unstable-book/src/compiler-flags |
| |
| // tidy-alphabetical-start |
| allow_features: Option<Vec<String>> = (None, parse_opt_comma_list, [TRACKED], |
| "only allow the listed language features to be enabled in code (space separated)"), |
| always_encode_mir: bool = (false, parse_bool, [TRACKED], |
| "encode MIR of all functions into the crate metadata (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::asm_comments` instead of this field")] |
| asm_comments: bool = (false, parse_bool, [TRACKED], |
| "generate comments into the assembly (may change behavior) (default: no)"), |
| assert_incr_state: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "assert that the incremental cache is in given state: \ |
| either `loaded` or `not-loaded`."), |
| assume_incomplete_release: bool = (false, parse_bool, [TRACKED], |
| "make cfg(version) treat the current version as incomplete (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::binary_dep_depinfo` instead of this field")] |
| binary_dep_depinfo: bool = (false, parse_bool, [TRACKED], |
| "include artifacts (sysroot, crate dependencies) used during compilation in dep-info \ |
| (default: no)"), |
| box_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "emit noalias metadata for box (default: yes)"), |
| branch_protection: Option<BranchProtection> = (None, parse_branch_protection, [TRACKED], |
| "set options for branch target identification and pointer authentication on AArch64"), |
| cf_protection: CFProtection = (CFProtection::None, parse_cfprotection, [TRACKED], |
| "instrument control-flow architecture protection"), |
| cgu_partitioning_strategy: Option<String> = (None, parse_opt_string, [TRACKED], |
| "the codegen unit partitioning strategy to use"), |
| chalk: bool = (false, parse_bool, [TRACKED], |
| "enable the experimental Chalk-based trait solving engine"), |
| codegen_backend: Option<String> = (None, parse_opt_string, [TRACKED], |
| "the backend to use"), |
| combine_cgu: bool = (false, parse_bool, [TRACKED], |
| "combine CGUs into a single one"), |
| crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED], |
| "inject the given attribute in the crate"), |
| debug_info_for_profiling: bool = (false, parse_bool, [TRACKED], |
| "emit discriminators and other data necessary for AutoFDO"), |
| debug_macros: bool = (false, parse_bool, [TRACKED], |
| "emit line numbers debug info inside macros (default: no)"), |
| deduplicate_diagnostics: bool = (true, parse_bool, [UNTRACKED], |
| "deduplicate identical diagnostics (default: yes)"), |
| dep_info_omit_d_target: bool = (false, parse_bool, [TRACKED], |
| "in dep-info output, omit targets for tracking dependencies of the dep-info files \ |
| themselves (default: no)"), |
| dep_tasks: bool = (false, parse_bool, [UNTRACKED], |
| "print tasks that execute and the color their dep node gets (requires debug build) \ |
| (default: no)"), |
| diagnostic_width: Option<usize> = (None, parse_opt_number, [UNTRACKED], |
| "set the current output width for diagnostic truncation"), |
| dlltool: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED], |
| "import library generation tool (windows-gnu only)"), |
| dont_buffer_diagnostics: bool = (false, parse_bool, [UNTRACKED], |
| "emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) \ |
| (default: no)"), |
| drop_tracking: bool = (false, parse_bool, [TRACKED], |
| "enables drop tracking in generators (default: no)"), |
| dual_proc_macros: bool = (false, parse_bool, [TRACKED], |
| "load proc macros for both target and host, but only link to the target (default: no)"), |
| dump_dep_graph: bool = (false, parse_bool, [UNTRACKED], |
| "dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) \ |
| (default: no)"), |
| dump_drop_tracking_cfg: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "dump drop-tracking control-flow graph as a `.dot` file (default: no)"), |
| dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "dump MIR state to file. |
| `val` is used to select which passes and functions to dump. For example: |
| `all` matches all passes and functions, |
| `foo` matches all passes for functions whose name contains 'foo', |
| `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo', |
| `foo | bar` all passes for function names containing 'foo' or 'bar'."), |
| dump_mir_dataflow: bool = (false, parse_bool, [UNTRACKED], |
| "in addition to `.mir` files, create graphviz `.dot` files with dataflow results \ |
| (default: no)"), |
| dump_mir_dir: String = ("mir_dump".to_string(), parse_string, [UNTRACKED], |
| "the directory the MIR is dumped into (default: `mir_dump`)"), |
| dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED], |
| "exclude the pass number when dumping MIR (used in tests) (default: no)"), |
| dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED], |
| "in addition to `.mir` files, create graphviz `.dot` files (and with \ |
| `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived \ |
| coverage graph) (default: no)"), |
| dump_mir_spanview: Option<MirSpanview> = (None, parse_mir_spanview, [UNTRACKED], |
| "in addition to `.mir` files, create `.html` files to view spans for \ |
| all `statement`s (including terminators), only `terminator` spans, or \ |
| computed `block` spans (one span encompassing a block's terminator and \ |
| all statements). If `-Z instrument-coverage` is also enabled, create \ |
| an additional `.html` file showing the computed coverage spans."), |
| dwarf_version: Option<u32> = (None, parse_opt_number, [TRACKED], |
| "version of DWARF debug information to emit (default: 2 or 4, depending on platform)"), |
| dylib_lto: bool = (false, parse_bool, [UNTRACKED], |
| "enables LTO for dylib crate type"), |
| emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED], |
| "emit a section containing stack size metadata (default: no)"), |
| emit_thin_lto: bool = (true, parse_bool, [TRACKED], |
| "emit the bc module with thin LTO info (default: yes)"), |
| export_executable_symbols: bool = (false, parse_bool, [TRACKED], |
| "export symbols from executables, as if they were dynamic libraries"), |
| extra_const_ub_checks: bool = (false, parse_bool, [TRACKED], |
| "turns on more checks to detect const UB, which can be slow (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::fewer_names` instead of this field")] |
| fewer_names: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) \ |
| (default: no)"), |
| force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED], |
| "force all crates to be `rustc_private` unstable (default: no)"), |
| fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED], |
| "set the optimization fuel quota for a crate"), |
| function_sections: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "whether each function should go in its own section"), |
| future_incompat_test: bool = (false, parse_bool, [UNTRACKED], |
| "forces all lints to be future incompatible, used for internal testing (default: no)"), |
| gcc_ld: Option<LdImpl> = (None, parse_gcc_ld, [TRACKED], "implementation of ld used by cc"), |
| graphviz_dark_mode: bool = (false, parse_bool, [UNTRACKED], |
| "use dark-themed colors in graphviz output (default: no)"), |
| graphviz_font: String = ("Courier, monospace".to_string(), parse_string, [UNTRACKED], |
| "use the given `fontname` in graphviz output; can be overridden by setting \ |
| environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`)"), |
| hir_stats: bool = (false, parse_bool, [UNTRACKED], |
| "print some statistics about AST and HIR (default: no)"), |
| human_readable_cgu_names: bool = (false, parse_bool, [TRACKED], |
| "generate human-readable, predictable names for codegen units (default: no)"), |
| identify_regions: bool = (false, parse_bool, [UNTRACKED], |
| "display unnamed regions as `'<id>`, using a non-ident unique id (default: no)"), |
| incremental_ignore_spans: bool = (false, parse_bool, [UNTRACKED], |
| "ignore spans during ICH computation -- used for testing (default: no)"), |
| incremental_info: bool = (false, parse_bool, [UNTRACKED], |
| "print high-level information about incremental reuse (or the lack thereof) \ |
| (default: no)"), |
| incremental_relative_spans: bool = (false, parse_bool, [TRACKED], |
| "hash spans relative to their parent item for incr. comp. (default: no)"), |
| incremental_verify_ich: bool = (false, parse_bool, [UNTRACKED], |
| "verify incr. comp. hashes of green query instances (default: no)"), |
| inline_in_all_cgus: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "control whether `#[inline]` functions are in all CGUs"), |
| inline_llvm: bool = (true, parse_bool, [TRACKED], |
| "enable LLVM inlining (default: yes)"), |
| inline_mir: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "enable MIR inlining (default: no)"), |
| inline_mir_hint_threshold: Option<usize> = (None, parse_opt_number, [TRACKED], |
| "inlining threshold for functions with inline hint (default: 100)"), |
| inline_mir_threshold: Option<usize> = (None, parse_opt_number, [TRACKED], |
| "a default MIR inlining threshold (default: 50)"), |
| input_stats: bool = (false, parse_bool, [UNTRACKED], |
| "gather statistics about the input (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::instrument_coverage` instead of this field")] |
| instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED], |
| "instrument the generated code to support LLVM source-based code coverage \ |
| reports (note, the compiler build config must include `profiler = true`); \ |
| implies `-C symbol-mangling-version=v0`. Optional values are: |
| `=all` (implicit value) |
| `=except-unused-generics` |
| `=except-unused-functions` |
| `=off` (default)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::instrument_mcount` instead of this field")] |
| instrument_mcount: bool = (false, parse_bool, [TRACKED], |
| "insert function instrument code for mcount-based tracing (default: no)"), |
| keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED], |
| "keep hygiene data after analysis (default: no)"), |
| layout_seed: Option<u64> = (None, parse_opt_number, [TRACKED], |
| "seed layout randomization"), |
| link_native_libraries: bool = (true, parse_bool, [UNTRACKED], |
| "link native libraries in the linker invocation (default: yes)"), |
| link_only: bool = (false, parse_bool, [TRACKED], |
| "link the `.rlink` file generated by `-Z no-link` (default: no)"), |
| llvm_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED], |
| "a list LLVM plugins to enable (space separated)"), |
| llvm_time_trace: bool = (false, parse_bool, [UNTRACKED], |
| "generate JSON tracing data file from LLVM data (default: no)"), |
| location_detail: LocationDetail = (LocationDetail::all(), parse_location_detail, [TRACKED], |
| "what location details should be tracked when using caller_location, either \ |
| `none`, or a comma separated list of location details, for which \ |
| valid options are `file`, `line`, and `column` (default: `file,line,column`)"), |
| ls: bool = (false, parse_bool, [UNTRACKED], |
| "list the symbols defined by a library crate (default: no)"), |
| macro_backtrace: bool = (false, parse_bool, [UNTRACKED], |
| "show macro backtraces (default: no)"), |
| merge_functions: Option<MergeFunctions> = (None, parse_merge_functions, [TRACKED], |
| "control the operation of the MergeFunctions LLVM pass, taking \ |
| the same values as the target option of the same name"), |
| #[rustc_lint_opt_deny_field_access("use `Session::meta_stats` instead of this field")] |
| meta_stats: bool = (false, parse_bool, [UNTRACKED], |
| "gather metadata statistics (default: no)"), |
| mir_emit_retag: bool = (false, parse_bool, [TRACKED], |
| "emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \ |
| (default: no)"), |
| mir_enable_passes: Vec<(String, bool)> = (Vec::new(), parse_list_with_polarity, [TRACKED], |
| "use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be \ |
| enabled, overriding all other checks. Passes that are not specified are enabled or \ |
| disabled by other flags as usual."), |
| #[rustc_lint_opt_deny_field_access("use `Session::mir_opt_level` instead of this field")] |
| mir_opt_level: Option<usize> = (None, parse_opt_number, [TRACKED], |
| "MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds)"), |
| mir_pretty_relative_line_numbers: bool = (false, parse_bool, [UNTRACKED], |
| "use line numbers relative to the function in mir pretty printing"), |
| move_size_limit: Option<usize> = (None, parse_opt_number, [TRACKED], |
| "the size at which the `large_assignments` lint starts to be emitted"), |
| mutable_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "emit noalias metadata for mutable references (default: yes)"), |
| nll_facts: bool = (false, parse_bool, [UNTRACKED], |
| "dump facts from NLL analysis into side files (default: no)"), |
| nll_facts_dir: String = ("nll-facts".to_string(), parse_string, [UNTRACKED], |
| "the directory the NLL facts are dumped into (default: `nll-facts`)"), |
| no_analysis: bool = (false, parse_no_flag, [UNTRACKED], |
| "parse and expand the source, but run no analysis"), |
| no_codegen: bool = (false, parse_no_flag, [TRACKED_NO_CRATE_HASH], |
| "run all passes except codegen; no output"), |
| no_generate_arange_section: bool = (false, parse_no_flag, [TRACKED], |
| "omit DWARF address ranges that give faster lookups"), |
| no_interleave_lints: bool = (false, parse_no_flag, [UNTRACKED], |
| "execute lints separately; allows benchmarking individual lints"), |
| no_leak_check: bool = (false, parse_no_flag, [UNTRACKED], |
| "disable the 'leak check' for subtyping; unsound, but useful for tests"), |
| no_link: bool = (false, parse_no_flag, [TRACKED], |
| "compile without linking"), |
| no_parallel_llvm: bool = (false, parse_no_flag, [UNTRACKED], |
| "run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO)"), |
| no_profiler_runtime: bool = (false, parse_no_flag, [TRACKED], |
| "prevent automatic injection of the profiler_builtins crate"), |
| no_unique_section_names: bool = (false, parse_bool, [TRACKED], |
| "do not use unique names for text and data sections when -Z function-sections is used"), |
| normalize_docs: bool = (false, parse_bool, [TRACKED], |
| "normalize associated items in rustdoc when generating documentation"), |
| oom: OomStrategy = (OomStrategy::Abort, parse_oom_strategy, [TRACKED], |
| "panic strategy for out-of-memory handling"), |
| osx_rpath_install_name: bool = (false, parse_bool, [TRACKED], |
| "pass `-install_name @rpath/...` to the macOS linker (default: no)"), |
| packed_bundled_libs: bool = (false, parse_bool, [TRACKED], |
| "change rlib format to store native libraries as archives"), |
| panic_abort_tests: bool = (false, parse_bool, [TRACKED], |
| "support compiling tests with panic=abort (default: no)"), |
| panic_in_drop: PanicStrategy = (PanicStrategy::Unwind, parse_panic_strategy, [TRACKED], |
| "panic strategy for panics in drops"), |
| parse_only: bool = (false, parse_bool, [UNTRACKED], |
| "parse only; do not compile, assemble, or link (default: no)"), |
| perf_stats: bool = (false, parse_bool, [UNTRACKED], |
| "print some performance-related statistics (default: no)"), |
| pick_stable_methods_before_any_unstable: bool = (true, parse_bool, [TRACKED], |
| "try to pick stable methods first before picking any unstable methods (default: yes)"), |
| plt: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "whether to use the PLT when calling into shared libraries; |
| only has effect for PIC code on systems with ELF binaries |
| (default: PLT is disabled if full relro is enabled)"), |
| polonius: bool = (false, parse_bool, [TRACKED], |
| "enable polonius-based borrow-checker (default: no)"), |
| polymorphize: bool = (false, parse_bool, [TRACKED], |
| "perform polymorphization analysis"), |
| pre_link_arg: (/* redirected to pre_link_args */) = ((), parse_string_push, [UNTRACKED], |
| "a single extra argument to prepend the linker invocation (can be used several times)"), |
| pre_link_args: Vec<String> = (Vec::new(), parse_list, [UNTRACKED], |
| "extra arguments to prepend to the linker invocation (space separated)"), |
| precise_enum_drop_elaboration: bool = (true, parse_bool, [TRACKED], |
| "use a more precise version of drop elaboration for matches on enums (default: yes). \ |
| This results in better codegen, but has caused miscompilations on some tier 2 platforms. \ |
| See #77382 and #74551."), |
| print_fuel: Option<String> = (None, parse_opt_string, [TRACKED], |
| "make rustc print the total optimization fuel used by a crate"), |
| #[rustc_lint_opt_deny_field_access("use `Session::print_llvm_passes` instead of this field")] |
| print_llvm_passes: bool = (false, parse_bool, [UNTRACKED], |
| "print the LLVM optimization passes being run (default: no)"), |
| print_mono_items: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "print the result of the monomorphization collection pass"), |
| print_type_sizes: bool = (false, parse_bool, [UNTRACKED], |
| "print layout information for each type encountered (default: no)"), |
| proc_macro_backtrace: bool = (false, parse_bool, [UNTRACKED], |
| "show backtraces for panics during proc-macro execution (default: no)"), |
| proc_macro_execution_strategy: ProcMacroExecutionStrategy = (ProcMacroExecutionStrategy::SameThread, |
| parse_proc_macro_execution_strategy, [UNTRACKED], |
| "how to run proc-macro code (default: same-thread)"), |
| profile: bool = (false, parse_bool, [TRACKED], |
| "insert profiling code (default: no)"), |
| profile_closures: bool = (false, parse_no_flag, [UNTRACKED], |
| "profile size of closures"), |
| profile_emit: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "file path to emit profiling data at runtime when using 'profile' \ |
| (default based on relative source path)"), |
| profile_sample_use: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO)"), |
| profiler_runtime: String = (String::from("profiler_builtins"), parse_string, [TRACKED], |
| "name of the profiler runtime crate to automatically inject (default: `profiler_builtins`)"), |
| query_dep_graph: bool = (false, parse_bool, [UNTRACKED], |
| "enable queries of the dependency graph for regression testing (default: no)"), |
| randomize_layout: bool = (false, parse_bool, [TRACKED], |
| "randomize the layout of types (default: no)"), |
| relax_elf_relocations: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "whether ELF relocations can be relaxed"), |
| relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED], |
| "choose which RELRO level to use"), |
| remap_cwd_prefix: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "remap paths under the current working directory to this path prefix"), |
| report_delayed_bugs: bool = (false, parse_bool, [TRACKED], |
| "immediately print bugs registered with `delay_span_bug` (default: no)"), |
| sanitizer: SanitizerSet = (SanitizerSet::empty(), parse_sanitizers, [TRACKED], |
| "use a sanitizer"), |
| sanitizer_memory_track_origins: usize = (0, parse_sanitizer_memory_track_origins, [TRACKED], |
| "enable origins tracking in MemorySanitizer"), |
| sanitizer_recover: SanitizerSet = (SanitizerSet::empty(), parse_sanitizers, [TRACKED], |
| "enable recovery for selected sanitizers"), |
| saturating_float_casts: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "make float->int casts UB-free: numbers outside the integer type's range are clipped to \ |
| the max/min integer respectively, and NaN is mapped to 0 (default: yes)"), |
| save_analysis: bool = (false, parse_bool, [UNTRACKED], |
| "write syntax and type analysis (in JSON format) information, in \ |
| addition to normal output (default: no)"), |
| self_profile: SwitchWithOptPath = (SwitchWithOptPath::Disabled, |
| parse_switch_with_opt_path, [UNTRACKED], |
| "run the self profiler and output the raw event data"), |
| self_profile_counter: String = ("wall-time".to_string(), parse_string, [UNTRACKED], |
| "counter used by the self profiler (default: `wall-time`), one of: |
| `wall-time` (monotonic clock, i.e. `std::time::Instant`) |
| `instructions:u` (retired instructions, userspace-only) |
| `instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy)" |
| ), |
| /// keep this in sync with the event filter names in librustc_data_structures/profiling.rs |
| self_profile_events: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED], |
| "specify the events recorded by the self profiler; |
| for example: `-Z self-profile-events=default,query-keys` |
| all options: none, all, default, generic-activity, query-provider, query-cache-hit |
| query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes"), |
| share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "make the current crate share its generic instantiations"), |
| show_span: Option<String> = (None, parse_opt_string, [TRACKED], |
| "show spans for compiler debugging (expr|pat|ty)"), |
| simulate_remapped_rust_src_base: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "simulate the effect of remap-debuginfo = true at bootstrapping by remapping path \ |
| to rust's source base directory. only meant for testing purposes"), |
| span_debug: bool = (false, parse_bool, [UNTRACKED], |
| "forward proc_macro::Span's `Debug` impl to `Span`"), |
| /// o/w tests have closure@path |
| span_free_formats: bool = (false, parse_bool, [UNTRACKED], |
| "exclude spans when debug-printing compiler state (default: no)"), |
| split_dwarf_inlining: bool = (true, parse_bool, [TRACKED], |
| "provide minimal debug info in the object/executable to facilitate online \ |
| symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF"), |
| split_dwarf_kind: SplitDwarfKind = (SplitDwarfKind::Split, parse_split_dwarf_kind, [TRACKED], |
| "split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) |
| (default: `split`) |
| |
| `split`: sections which do not require relocation are written into a DWARF object (`.dwo`) |
| file which is ignored by the linker |
| `single`: sections which do not require relocation are written into object file but ignored |
| by the linker"), |
| src_hash_algorithm: Option<SourceFileHashAlgorithm> = (None, parse_src_file_hash, [TRACKED], |
| "hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::stack_protector` instead of this field")] |
| stack_protector: StackProtector = (StackProtector::None, parse_stack_protector, [TRACKED], |
| "control stack smash protection strategy (`rustc --print stack-protector-strategies` for details)"), |
| strict_init_checks: bool = (false, parse_bool, [TRACKED], |
| "control if mem::uninitialized and mem::zeroed panic on more UB"), |
| strip: Strip = (Strip::None, parse_strip, [UNTRACKED], |
| "tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"), |
| symbol_mangling_version: Option<SymbolManglingVersion> = (None, |
| parse_symbol_mangling_version, [TRACKED], |
| "which mangling version to use for symbol names ('legacy' (default) or 'v0')"), |
| #[rustc_lint_opt_deny_field_access("use `Session::teach` instead of this field")] |
| teach: bool = (false, parse_bool, [TRACKED], |
| "show extended diagnostic help (default: no)"), |
| temps_dir: Option<String> = (None, parse_opt_string, [UNTRACKED], |
| "the directory the intermediate files are written to"), |
| #[rustc_lint_opt_deny_field_access("use `Session::lto` instead of this field")] |
| thinlto: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "enable ThinLTO when possible"), |
| thir_unsafeck: bool = (false, parse_bool, [TRACKED], |
| "use the THIR unsafety checker (default: no)"), |
| /// We default to 1 here since we want to behave like |
| /// a sequential compiler for now. This'll likely be adjusted |
| /// in the future. Note that -Zthreads=0 is the way to get |
| /// the num_cpus behavior. |
| #[rustc_lint_opt_deny_field_access("use `Session::threads` instead of this field")] |
| threads: usize = (1, parse_threads, [UNTRACKED], |
| "use a thread pool with N threads"), |
| #[rustc_lint_opt_deny_field_access("use `Session::time_llvm_passes` instead of this field")] |
| time_llvm_passes: bool = (false, parse_bool, [UNTRACKED], |
| "measure time of each LLVM pass (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::time_passes` instead of this field")] |
| time_passes: bool = (false, parse_bool, [UNTRACKED], |
| "measure time of each rustc pass (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::tls_model` instead of this field")] |
| tls_model: Option<TlsModel> = (None, parse_tls_model, [TRACKED], |
| "choose the TLS model to use (`rustc --print tls-models` for details)"), |
| trace_macros: bool = (false, parse_bool, [UNTRACKED], |
| "for every macro invocation, print its name and arguments (default: no)"), |
| // Diagnostics are considered side-effects of a query (see `QuerySideEffects`) and are saved |
| // alongside query results and changes to translation options can affect diagnostics - so |
| // translation options should be tracked. |
| translate_additional_ftl: Option<PathBuf> = (None, parse_opt_pathbuf, [TRACKED], |
| "additional fluent translation to preferentially use (for testing translation)"), |
| translate_directionality_markers: bool = (false, parse_bool, [TRACKED], |
| "emit directionality isolation markers in translated diagnostics"), |
| translate_lang: Option<LanguageIdentifier> = (None, parse_opt_langid, [TRACKED], |
| "language identifier for diagnostic output"), |
| translate_remapped_path_to_local_path: bool = (true, parse_bool, [TRACKED], |
| "translate remapped paths into local paths when possible (default: yes)"), |
| trap_unreachable: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "generate trap instructions for unreachable intrinsics (default: use target setting, usually yes)"), |
| treat_err_as_bug: Option<NonZeroUsize> = (None, parse_treat_err_as_bug, [TRACKED], |
| "treat error number `val` that occurs as bug"), |
| trim_diagnostic_paths: bool = (true, parse_bool, [UNTRACKED], |
| "in diagnostics, use heuristics to shorten paths referring to items"), |
| tune_cpu: Option<String> = (None, parse_opt_string, [TRACKED], |
| "select processor to schedule for (`rustc --print target-cpus` for details)"), |
| ui_testing: bool = (false, parse_bool, [UNTRACKED], |
| "emit compiler diagnostics in a form suitable for UI testing (default: no)"), |
| uninit_const_chunk_threshold: usize = (16, parse_number, [TRACKED], |
| "allow generating const initializers with mixed init/uninit chunks, \ |
| and set the maximum number of chunks for which this is allowed (default: 16)"), |
| unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED], |
| "take the brakes off const evaluation. NOTE: this is unsound (default: no)"), |
| unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED], |
| "present the input source, unstable (and less-pretty) variants; |
| `normal`, `identified`, |
| `expanded`, `expanded,identified`, |
| `expanded,hygiene` (with internal representations), |
| `ast-tree` (raw AST before expansion), |
| `ast-tree,expanded` (raw AST after expansion), |
| `hir` (the HIR), `hir,identified`, |
| `hir,typed` (HIR with types for each node), |
| `hir-tree` (dump the raw HIR), |
| `mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"), |
| unsound_mir_opts: bool = (false, parse_bool, [TRACKED], |
| "enable unsound and buggy MIR optimizations (default: no)"), |
| /// This name is kind of confusing: Most unstable options enable something themselves, while |
| /// this just allows "normal" options to be feature-gated. |
| #[rustc_lint_opt_deny_field_access("use `Session::unstable_options` instead of this field")] |
| unstable_options: bool = (false, parse_bool, [UNTRACKED], |
| "adds unstable command line options to rustc interface (default: no)"), |
| use_ctors_section: Option<bool> = (None, parse_opt_bool, [TRACKED], |
| "use legacy .ctors section for initializers rather than .init_array"), |
| validate_mir: bool = (false, parse_bool, [UNTRACKED], |
| "validate MIR after each transformation"), |
| #[rustc_lint_opt_deny_field_access("use `Session::verbose` instead of this field")] |
| verbose: bool = (false, parse_bool, [UNTRACKED], |
| "in general, enable more debug printouts (default: no)"), |
| #[rustc_lint_opt_deny_field_access("use `Session::verify_llvm_ir` instead of this field")] |
| verify_llvm_ir: bool = (false, parse_bool, [TRACKED], |
| "verify LLVM IR (default: no)"), |
| virtual_function_elimination: bool = (false, parse_bool, [TRACKED], |
| "enables dead virtual function elimination optimization. \ |
| Requires `-Clto[=[fat,yes]]`"), |
| wasi_exec_model: Option<WasiExecModel> = (None, parse_wasi_exec_model, [TRACKED], |
| "whether to build a wasi command or reactor"), |
| // tidy-alphabetical-end |
| |
| // If you add a new option, please update: |
| // - compiler/rustc_interface/src/tests.rs |
| } |
| |
| #[derive(Clone, Hash, PartialEq, Eq, Debug)] |
| pub enum WasiExecModel { |
| Command, |
| Reactor, |
| } |
| |
| #[derive(Clone, Copy, Hash)] |
| pub enum LdImpl { |
| Lld, |
| } |
