use crate::early_error;
use crate::lint;
use crate::search_paths::SearchPath;
-use crate::utils::NativeLibKind;
-
-use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy};
-use rustc_target::spec::{RelocModel, RelroLevel, SplitDebuginfo, TargetTriple, TlsModel};
+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! hash_option {
- ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [UNTRACKED]) => {{}};
- ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [TRACKED]) => {{
+macro_rules! insert {
+ ($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 {
- (pub struct Options { $(
- $opt:ident : $t:ty [$dep_tracking_marker:ident $($warn_val:expr, $warn_text:expr)*],
+ ( $( #[$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 {
- $(pub $opt: $t),*
+ $(
+ $( #[$attr] )*
+ pub $opt: $t
+ ),*
}
impl Options {
- pub fn dep_tracking_hash(&self) -> u64 {
+ pub fn dep_tracking_hash(&self, for_crate_hash: bool) -> u64 {
let mut sub_hashes = BTreeMap::new();
$({
- hash_option!($opt,
- &self.$opt,
- &mut sub_hashes,
- [$dep_tracking_marker $($warn_val,
- $warn_text,
- self.error_format)*]);
+ hash_opt!($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);
+ self.error_format,
+ for_crate_hash);
+ $({
+ hash_substruct!($opt,
+ &self.$opt,
+ self.error_format,
+ for_crate_hash,
+ &mut hasher,
+ [$dep_tracking_marker]);
+ })*
hasher.finish()
}
}
);
}
-// 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.
-//
-// [UNTRACKED]
-// Incremental compilation is not influenced by this option.
-//
-// 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.
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.
+ /// 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.
+ /// 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],
- lint_cap: Option<lint::Level> [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<(String, Option<String>, NativeLibKind)> [TRACKED],
+ 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.
+ /// If `Some`, enable incremental compilation, using the given
+ /// directory to store intermediate results.
incremental: Option<PathBuf> [UNTRACKED],
+ assert_incr_state: Option<IncrementalStateAssertion> [UNTRACKED],
- debugging_opts: DebuggingOptions [TRACKED],
+ unstable_opts: UnstableOptions [SUBSTRUCT],
prints: Vec<PrintRequest> [UNTRACKED],
- // Determines which borrow checker(s) to run. This is the parsed, sanitized
- // version of `debugging_opts.borrowck`, which is just a plain string.
- borrowck_mode: BorrowckMode [UNTRACKED],
- cg: CodegenOptions [TRACKED],
+ cg: CodegenOptions [SUBSTRUCT],
externs: Externs [UNTRACKED],
crate_name: Option<String> [TRACKED],
- // An optional name to use as the crate for std during std injection,
- // written `extern crate name as std`. Defaults to `std`. Used by
- // out-of-tree drivers.
- alt_std_name: Option<String> [TRACKED],
- // Indicates how the compiler should treat unstable features.
+ /// 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.
+ /// 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.
+ /// 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.
+ /// 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],
- cli_forced_thinlto_off: bool [UNTRACKED],
-
- // Remap source path prefixes in all output (messages, object files, debug, etc.).
- remap_path_prefix: Vec<(PathBuf, PathBuf)> [UNTRACKED],
+ #[rustc_lint_opt_deny_field_access("use `Session::lto` instead of this field")]
+ cli_forced_local_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/$hash` enabled
+ /// (the `rust.remap-debuginfo` option in `config.toml`).
+ real_rust_source_base_dir: Option<PathBuf> [TRACKED_NO_CRATE_HASH],
edition: Edition [TRACKED],
- // `true` if we're emitting JSON blobs about each artifact produced
- // by the compiler.
+ /// `true` if we're emitting JSON blobs about each artifact produced
+ /// by the compiler.
json_artifact_notifications: bool [TRACKED],
+ /// `true` if we're emitting a JSON blob containing the unused externs
+ json_unused_externs: JsonUnusedExterns [UNTRACKED],
+
+ /// `true` if we're emitting a JSON job containing a future-incompat report for lints
+ json_future_incompat: bool [TRACKED],
+
pretty: Option<PpMode> [UNTRACKED],
+
+ /// The (potentially remapped) working directory
+ working_dir: RealFileName [TRACKED],
}
);
/// generated code to parse an option into its respective field in the struct. There are a few
/// hand-written parsers for parsing specific types of values in this module.
macro_rules! options {
- ($struct_name:ident, $setter_name:ident, $defaultfn:ident,
- $buildfn:ident, $prefix:expr, $outputname:expr,
- $stat:ident, $mod_desc:ident, $mod_set:ident,
- $($opt:ident : $t:ty = (
+ ($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 $(($dep_warn_val:expr, $dep_warn_text:expr))*],
+ [$dep_tracking_marker:ident],
$desc:expr)
),* ,) =>
(
#[derive(Clone)]
- pub struct $struct_name { $(pub $opt: $t),* }
+ #[rustc_lint_opt_ty]
+ pub struct $struct_name { $( $( #[$attr] )* pub $opt: $t),* }
- pub fn $defaultfn() -> $struct_name {
- $struct_name { $($opt: $init),* }
+ impl Default for $struct_name {
+ fn default() -> $struct_name {
+ $struct_name { $($opt: $init),* }
+ }
}
- pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
- {
- let mut op = $defaultfn();
- for option in matches.opt_strs($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("-", "_");
- let mut found = false;
- for &(candidate, setter, type_desc, _) in $stat {
- if option_to_lookup != candidate { continue }
- 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 `{}` for {} \
- option `{}` - {} was expected",
- value, $outputname,
- key, type_desc))
- }
- }
- }
- found = true;
- break;
- }
- if !found {
- early_error(error_format, &format!("unknown {} option: `{}`",
- $outputname, key));
- }
+ impl $struct_name {
+ pub fn build(
+ matches: &getopts::Matches,
+ error_format: ErrorOutputType,
+ ) -> $struct_name {
+ build_options(matches, $stat, $prefix, $outputname, error_format)
}
- return op;
- }
- impl dep_tracking::DepTrackingHash for $struct_name {
- fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
+ fn dep_tracking_hash(&self, for_crate_hash: bool, error_format: ErrorOutputType) -> u64 {
let mut sub_hashes = BTreeMap::new();
$({
- hash_option!($opt,
- &self.$opt,
- &mut sub_hashes,
- [$dep_tracking_marker $($dep_warn_val,
- $dep_warn_text,
- error_format)*]);
+ hash_opt!($opt,
+ &self.$opt,
+ &mut sub_hashes,
+ for_crate_hash,
+ [$dep_tracking_marker]);
})*
- dep_tracking::stable_hash(sub_hashes, hasher, error_format);
+ 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)
}
+ )*
}
- pub type $setter_name = fn(&mut $struct_name, v: Option<&str>) -> bool;
- pub const $stat: &[(&str, $setter_name, &str, &str)] =
- &[ $( (stringify!($opt), $mod_set::$opt, $mod_desc::$parse, $desc) ),* ];
-
- #[allow(non_upper_case_globals, dead_code)]
- mod $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_pathbuf: &str = "a path";
- pub const parse_pathbuf_push: &str = parse_opt_pathbuf;
- pub const parse_list: &str = "a space-separated list of strings";
- pub const parse_opt_list: &str = parse_list;
- pub const parse_opt_comma_list: &str = "a comma-separated list of strings";
- pub const parse_uint: &str = "a number";
- pub const parse_opt_uint: &str = parse_uint;
- pub const parse_threads: &str = parse_uint;
- 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_relro_level: &str = "one of: `full`, `partial`, or `off`";
- pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `leak`, `memory` 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_strip: &str = "either `none`, `debuginfo`, or `symbols`";
- pub const parse_linker_flavor: &str = ::rustc_target::spec::LinkerFlavor::one_of();
- pub const parse_optimization_fuel: &str = "crate=integer";
- pub const parse_mir_spanview: &str = "`statement` (default), `terminator`, or `block`";
- 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_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` or `dsymutil`)";
+) }
+
+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
+ };
+}
- #[allow(dead_code)]
- mod $mod_set {
- use super::*;
- use std::str::FromStr;
-
- // Sometimes different options need to build a common structure.
- // That structure can kept in one of the options' fields, the others become dummy.
- macro_rules! redirect_field {
- ($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`, `kcfi`, `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_dump_mono_stats: &str = "`markdown` (default) or `json`";
+ 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_trait_solver: &str =
+ "one of the supported solver modes (`classic`, `chalk`, or `next`)";
+ 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,
}
+ }
- $(
- pub fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
- $parse(&mut redirect_field!(cg.$opt), v)
+ /// 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
}
- )*
-
- /// This is for boolean options that don't take a value and start with
- /// `no-`. This style of option is deprecated.
- fn parse_no_flag(slot: &mut bool, v: Option<&str>) -> bool {
- match v {
- None => { *slot = true; true }
- Some(_) => false,
+ Some("n") | Some("no") | Some("off") => {
+ *slot = false;
+ true
}
+ _ => false,
}
+ }
- /// Use this for any boolean option that has a static default.
- 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 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.)
- 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 has a static default.
- 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,
}
+ }
- /// Use this for any string option that lacks a static default.
- 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,
}
+ }
- 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_opt_pathbuf(slot: &mut Option<PathBuf>, v: Option<&str>) -> bool {
+ match v {
+ Some(s) => {
+ *slot = Some(PathBuf::from(s));
+ true
}
+ None => false,
}
+ }
- 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_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
+ match v {
+ Some(s) => {
+ slot.push(s.to_string());
+ true
}
+ None => false,
}
+ }
- fn parse_pathbuf_push(slot: &mut Vec<PathBuf>, v: Option<&str>) -> bool {
- match v {
- Some(s) => { slot.push(PathBuf::from(s)); 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,
}
+ }
- 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,
}
+ }
- fn parse_opt_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
- -> bool {
- match v {
- Some(s) => {
- let v = s.split_whitespace().map(|s| s.to_string()).collect();
- *slot = Some(v);
- 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
}
+ }
- fn parse_opt_comma_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
- -> bool {
- match v {
- Some(s) => {
- let v = s.split(',').map(|s| s.to_string()).collect();
- *slot = Some(v);
- true
- },
- None => 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,
}
+ }
- fn parse_threads(slot: &mut usize, v: Option<&str>) -> bool {
- match v.and_then(|s| s.parse().ok()) {
- Some(0) => { *slot = ::num_cpus::get(); true },
- Some(i) => { *slot = i; 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 uint option that has a static default.
- fn parse_uint(slot: &mut usize, 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 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 uint option that lacks a static default.
- fn parse_opt_uint(slot: &mut Option<usize>, v: Option<&str>) -> bool {
- match v {
- Some(s) => { *slot = s.parse().ok(); slot.is_some() }
- 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,
}
+ }
- fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
- match v {
- Some("all") => {
- *slot = Passes::All;
+ 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
- }
- v => {
- let mut passes = vec![];
- if parse_list(&mut passes, v) {
- *slot = Passes::Some(passes);
- true
- } else {
- false
- }
+ } else {
+ false
}
}
}
+ }
- fn parse_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_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
+ }
- 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
+ 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,
+ "kcfi" => SanitizerSet::KCFI,
+ "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
}
+ }
- 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,
- "leak" => SanitizerSet::LEAK,
- "memory" => SanitizerSet::MEMORY,
- "thread" => SanitizerSet::THREAD,
- _ => return 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
- } else {
- false
}
+ 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
+ }
- 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_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;
}
}
- 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,
+ *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;
}
- true
}
- 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 | 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
}
+ }
+ }
- *slot = match v {
- None => CFGuard::Checks,
- Some("checks") => CFGuard::Checks,
- Some("nochecks") => CFGuard::NoChecks,
- Some(_) => return false,
- };
- 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,
}
+ }
- fn parse_linker_flavor(slote: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
- match v.and_then(LinkerFlavor::from_str) {
- Some(lf) => *slote = Some(lf),
- _ => return 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;
}
- true
}
- 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
- }
+ 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_dump_mono_stats(slot: &mut DumpMonoStatsFormat, v: Option<&str>) -> bool {
+ match v {
+ None => true,
+ Some("json") => {
+ *slot = DumpMonoStatsFormat::Json;
+ true
}
+ Some("markdown") => {
+ *slot = DumpMonoStatsFormat::Markdown;
+ true
+ }
+ Some(_) => false,
}
+ }
- 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_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;
}
}
- 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(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
+ }
- let v = match v {
- None => {
- *slot = Some(MirSpanview::Statement);
- return true;
- }
- Some(v) => v,
- };
+ 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
+ }
+ }
+ }
- *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_trait_solver(slot: &mut TraitSolver, v: Option<&str>) -> bool {
+ match v {
+ Some("classic") => *slot = TraitSolver::Classic,
+ Some("chalk") => *slot = TraitSolver::Chalk,
+ Some("next") => *slot = TraitSolver::Next,
+ // default trait solver is subject to change..
+ Some("default") => *slot = TraitSolver::Classic,
+ _ => return false,
}
+ true
+ }
- fn parse_treat_err_as_bug(slot: &mut Option<usize>, v: Option<&str>) -> bool {
- match v {
- Some(s) => { *slot = s.parse().ok().filter(|&x| x != 0); slot.unwrap_or(0) != 0 }
- None => { *slot = Some(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;
}
}
- 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
+ }
- *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;
+ }
}
- 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
+ }
- *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
+ }
- 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_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
+ }
- 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_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
+ }
- 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_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
+ }
- 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_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
+ }
- 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,
+ 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
}
- true
+ None => false,
}
+ }
- 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_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
+ }
- 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_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
+ }
- fn parse_target_feature(slot: &mut String, v: Option<&str>) -> bool {
- match v {
- Some(s) => {
- if !slot.is_empty() {
- slot.push_str(",");
- }
- slot.push_str(s);
- true
- }
- None => false,
- }
+ 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
+ }
- 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_gcc_ld(slot: &mut Option<LdImpl>, v: Option<&str>) -> bool {
+ match v {
+ None => *slot = None,
+ Some("lld") => *slot = Some(LdImpl::Lld),
+ _ => return false,
}
+ true
+ }
- 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,
+ 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,
+ };
+ }
}
- true
+ _ => return false,
}
+ true
}
-) }
-options! {CodegenOptions, CodegenSetter, basic_codegen_options,
- build_codegen_options, "C", "codegen",
- CG_OPTIONS, cg_type_desc, cgsetters,
+ 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",
- // This list is in alphabetical order.
- //
// 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_uint, [UNTRACKED],
+ 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_uint, [TRACKED],
+ 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],
"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<usize> = (None, parse_opt_uint, [TRACKED],
+ 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)"),
- link_dead_code: Option<bool> = (None, parse_opt_bool, [UNTRACKED],
+ #[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<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
+ 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],
"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"),
- panic: Option<PanicStrategy> = (None, parse_panic_strategy, [TRACKED],
+ #[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)"),
"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)"),
"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
- // This list is in alphabetical order.
- //
// If you add a new option, please update:
// - compiler/rustc_interface/src/tests.rs
// - src/doc/rustc/src/codegen-options/index.md
}
-options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
- build_debugging_options, "Z", "debugging",
- DB_OPTIONS, db_type_desc, dbsetters,
+options! {
+ UnstableOptions, Z_OPTIONS, dbopts, "Z", "unstable",
- // This list is in alphabetical order.
- //
// 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)"),
+ "only allow the listed language features to be enabled in code (comma separated)"),
always_encode_mir: bool = (false, parse_bool, [TRACKED],
"encode MIR of all functions into the crate metadata (default: no)"),
- assume_incomplete_release: bool = (false, parse_bool, [TRACKED],
- "make cfg(version) treat the current version as incomplete (default: no)"),
asm_comments: bool = (false, parse_bool, [TRACKED],
"generate comments into the assembly (may change behavior) (default: no)"),
- ast_json: bool = (false, parse_bool, [UNTRACKED],
- "print the AST as JSON and halt (default: no)"),
- ast_json_noexpand: bool = (false, parse_bool, [UNTRACKED],
- "print the pre-expansion AST as JSON and halt (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)"),
- borrowck: String = ("migrate".to_string(), parse_string, [UNTRACKED],
- "select which borrowck is used (`mir` or `migrate`) (default: `migrate`)"),
- borrowck_stats: bool = (false, parse_bool, [UNTRACKED],
- "gather borrowck statistics (default: no)"),
+ box_noalias: bool = (true, parse_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],
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:
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."),
- emit_future_incompat_report: bool = (false, parse_bool, [UNTRACKED],
- "emits a future-incompatibility report for lints (RFC 2834)"),
+ dump_mono_stats: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
+ parse_switch_with_opt_path, [UNTRACKED],
+ "output statistics about monomorphization collection"),
+ dump_mono_stats_format: DumpMonoStatsFormat = (DumpMonoStatsFormat::Markdown, parse_dump_mono_stats, [UNTRACKED],
+ "the format to use for -Z dump-mono-stats (`markdown` (default) or `json`)"),
+ 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_overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
- "force overflow checks on or off"),
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],
"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],
+ incremental_ignore_spans: bool = (false, parse_bool, [TRACKED],
"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)"),
+ #[rustc_lint_opt_deny_field_access("use `Session::incremental_relative_spans` instead of this field")]
+ 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_mir_threshold: usize = (50, parse_uint, [TRACKED],
- "a default MIR inlining threshold (default: 50)"),
- inline_mir_hint_threshold: usize = (100, parse_uint, [TRACKED],
- "inlining threshold for functions with inline hint (default: 100)"),
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)"),
- insert_sideeffect: bool = (false, parse_bool, [TRACKED],
- "fix undefined behavior when a thread doesn't eventually make progress \
- (such as entering an empty infinite loop) by inserting llvm.sideeffect \
- (default: no)"),
- instrument_coverage: bool = (false, parse_bool, [TRACKED],
+ #[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`, \
- and is mutually exclusive with `-C profile-generate`/`-C profile-use`); \
- implies `-Z symbol-mangling-version=v0`; disables/overrides some Rust \
- optimizations (default: no)"),
+ 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)"),
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`)"),
+ log_backtrace: Option<String> = (None, parse_opt_string, [TRACKED],
+ "add a backtrace along with logging"),
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)"),
+ maximal_hir_to_mir_coverage: bool = (false, parse_bool, [TRACKED],
+ "save as much information as possible about the correspondence between MIR and HIR \
+ as source scopes (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"),
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_opt_level: usize = (1, parse_uint, [TRACKED],
- "MIR optimization level (0-3; default: 1)"),
- mutable_noalias: bool = (false, parse_bool, [TRACKED],
- "emit noalias metadata for mutable references (default: no)"),
- new_llvm_pass_manager: bool = (false, parse_bool, [TRACKED],
- "use new LLVM pass manager (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: bool = (true, parse_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_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_jump_tables: bool = (false, parse_no_flag, [TRACKED],
+ "disable the jump tables and lookup tables that can be generated from a switch case lowering"),
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],
"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
See #77382 and #74551."),
print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
"make rustc print the total optimization fuel used by a crate"),
- print_link_args: bool = (false, parse_bool, [UNTRACKED],
- "print the arguments passed to the linker (default: no)"),
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 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)"),
- query_stats: bool = (false, parse_bool, [UNTRACKED],
- "print some statistics about the query system (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],
self_profile: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
parse_switch_with_opt_path, [UNTRACKED],
"run the self profiler and output the raw event data"),
- // keep this in sync with the event filter names in librustc_data_structures/profiling.rs
+ 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, query-keys, function-args, args, llvm"),
+ 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
+ /// 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 = (false, 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`)"),
- split_dwarf_inlining: bool = (true, parse_bool, [UNTRACKED],
- "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"),
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)"),
- terminal_width: Option<usize> = (None, parse_opt_uint, [UNTRACKED],
- "set the current terminal width"),
- tune_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
- "select processor to schedule for (`rustc --print target-cpus` for details)"),
+ 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"),
- // 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.
+ 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"),
- time: bool = (false, parse_bool, [UNTRACKED],
- "measure time of rustc processes (default: no)"),
time_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
"measure time of each LLVM pass (default: no)"),
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)"),
+ track_diagnostics: bool = (false, parse_bool, [UNTRACKED],
+ "tracks where in rustc a diagnostic was emitted"),
+ trait_solver: TraitSolver = (TraitSolver::Classic, parse_trait_solver, [TRACKED],
+ "specify the trait solver mode used by rustc (default: classic)"),
+ // 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<usize> = (None, parse_treat_err_as_bug, [TRACKED],
+ 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;
- valid types are any of the types for `--pretty`, as well as:
+ `normal`, `identified`,
`expanded`, `expanded,identified`,
`expanded,hygiene` (with internal representations),
- `everybody_loops` (all function bodies replaced with `loop {}`),
+ `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
- // This list is in alphabetical order.
- //
// If you add a new option, please update:
// - compiler/rustc_interface/src/tests.rs
}
-#[derive(Clone, Hash)]
+#[derive(Clone, Hash, PartialEq, Eq, Debug)]
pub enum WasiExecModel {
Command,
Reactor,
}
+
+#[derive(Clone, Copy, Hash)]
+pub enum LdImpl {
+ Lld,
+}
projects / rustc.git / blobdiff