1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! Contains infrastructure for configuring the compiler, including parsing
12 //! command line options.
14 pub use self::EntryFnType::*;
15 pub use self::CrateType::*;
16 pub use self::Passes::*;
17 pub use self::DebugInfoLevel::*;
19 use session::{early_error, early_warn, Session};
20 use session::search_paths::SearchPaths;
22 use rustc_back::{LinkerFlavor, PanicStrategy};
23 use rustc_back::target::Target;
27 use syntax::ast::{self, IntTy, UintTy};
28 use syntax::codemap::FilePathMapping;
29 use syntax::parse::token;
31 use syntax::symbol::Symbol;
32 use syntax::feature_gate::UnstableFeatures;
34 use errors::{ColorConfig, FatalError, Handler};
37 use std::collections::{BTreeMap, BTreeSet};
38 use std::collections::btree_map::Iter as BTreeMapIter;
39 use std::collections::btree_map::Keys as BTreeMapKeysIter;
40 use std::collections::btree_map::Values as BTreeMapValuesIter;
43 use std::hash::Hasher;
44 use std::collections::hash_map::DefaultHasher;
45 use std::collections::HashSet;
46 use std::iter::FromIterator;
47 use std::path::PathBuf;
52 pub uint_type: UintTy,
55 #[derive(Clone, Hash, Debug)]
63 #[derive(Clone, Copy, PartialEq, Hash)]
73 #[derive(Clone, Copy, PartialEq, Hash)]
74 pub enum DebugInfoLevel {
80 #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, PartialOrd, Ord,
81 RustcEncodable, RustcDecodable)]
94 fn is_compatible_with_codegen_units_and_single_output_file(&self) -> bool {
97 OutputType::DepInfo => true,
99 OutputType::Assembly |
100 OutputType::LlvmAssembly |
103 OutputType::Metadata => false,
107 fn shorthand(&self) -> &'static str {
109 OutputType::Bitcode => "llvm-bc",
110 OutputType::Assembly => "asm",
111 OutputType::LlvmAssembly => "llvm-ir",
112 OutputType::Mir => "mir",
113 OutputType::Object => "obj",
114 OutputType::Metadata => "metadata",
115 OutputType::Exe => "link",
116 OutputType::DepInfo => "dep-info",
120 pub fn extension(&self) -> &'static str {
122 OutputType::Bitcode => "bc",
123 OutputType::Assembly => "s",
124 OutputType::LlvmAssembly => "ll",
125 OutputType::Mir => "mir",
126 OutputType::Object => "o",
127 OutputType::Metadata => "rmeta",
128 OutputType::DepInfo => "d",
129 OutputType::Exe => "",
134 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
135 pub enum ErrorOutputType {
136 HumanReadable(ColorConfig),
140 impl Default for ErrorOutputType {
141 fn default() -> ErrorOutputType {
142 ErrorOutputType::HumanReadable(ColorConfig::Auto)
146 // Use tree-based collections to cheaply get a deterministic Hash implementation.
147 // DO NOT switch BTreeMap out for an unsorted container type! That would break
148 // dependency tracking for commandline arguments.
149 #[derive(Clone, Hash)]
150 pub struct OutputTypes(BTreeMap<OutputType, Option<PathBuf>>);
153 pub fn new(entries: &[(OutputType, Option<PathBuf>)]) -> OutputTypes {
154 OutputTypes(BTreeMap::from_iter(entries.iter()
155 .map(|&(k, ref v)| (k, v.clone()))))
158 pub fn get(&self, key: &OutputType) -> Option<&Option<PathBuf>> {
162 pub fn contains_key(&self, key: &OutputType) -> bool {
163 self.0.contains_key(key)
166 pub fn keys<'a>(&'a self) -> BTreeMapKeysIter<'a, OutputType, Option<PathBuf>> {
170 pub fn values<'a>(&'a self) -> BTreeMapValuesIter<'a, OutputType, Option<PathBuf>> {
174 // True if any of the output types require codegen or linking.
175 pub fn should_trans(&self) -> bool {
176 self.0.keys().any(|k| match *k {
177 OutputType::Bitcode |
178 OutputType::Assembly |
179 OutputType::LlvmAssembly |
182 OutputType::Exe => true,
183 OutputType::Metadata |
184 OutputType::DepInfo => false,
190 // Use tree-based collections to cheaply get a deterministic Hash implementation.
191 // DO NOT switch BTreeMap or BTreeSet out for an unsorted container type! That
192 // would break dependency tracking for commandline arguments.
193 #[derive(Clone, Hash)]
194 pub struct Externs(BTreeMap<String, BTreeSet<String>>);
197 pub fn new(data: BTreeMap<String, BTreeSet<String>>) -> Externs {
201 pub fn get(&self, key: &str) -> Option<&BTreeSet<String>> {
205 pub fn iter<'a>(&'a self) -> BTreeMapIter<'a, String, BTreeSet<String>> {
210 macro_rules! hash_option {
211 ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [UNTRACKED]) => ({});
212 ($opt_name:ident, $opt_expr:expr, $sub_hashes:expr, [TRACKED]) => ({
213 if $sub_hashes.insert(stringify!($opt_name),
214 $opt_expr as &dep_tracking::DepTrackingHash).is_some() {
215 bug!("Duplicate key in CLI DepTrackingHash: {}", stringify!($opt_name))
221 [UNTRACKED_WITH_WARNING $warn_val:expr, $warn_text:expr, $error_format:expr]) => ({
222 if *$opt_expr == $warn_val {
223 early_warn($error_format, $warn_text)
228 macro_rules! top_level_options {
229 (pub struct Options { $(
230 $opt:ident : $t:ty [$dep_tracking_marker:ident $($warn_val:expr, $warn_text:expr)*],
238 pub fn dep_tracking_hash(&self) -> u64 {
239 let mut sub_hashes = BTreeMap::new();
244 [$dep_tracking_marker $($warn_val,
246 self.error_format)*]);
248 let mut hasher = DefaultHasher::new();
249 dep_tracking::stable_hash(sub_hashes,
258 // The top-level commandline options struct
260 // For each option, one has to specify how it behaves with regard to the
261 // dependency tracking system of incremental compilation. This is done via the
262 // square-bracketed directive after the field type. The options are:
265 // A change in the given field will cause the compiler to completely clear the
266 // incremental compilation cache before proceeding.
269 // Incremental compilation is not influenced by this option.
271 // [UNTRACKED_WITH_WARNING(val, warning)]
272 // The option is incompatible with incremental compilation in some way. If it
273 // has the value `val`, the string `warning` is emitted as a warning.
275 // If you add a new option to this struct or one of the sub-structs like
276 // CodegenOptions, think about how it influences incremental compilation. If in
277 // doubt, specify [TRACKED], which is always "correct" but might lead to
278 // unnecessary re-compilation.
281 // The crate config requested for the session, which may be combined
282 // with additional crate configurations during the compile process
283 crate_types: Vec<CrateType> [TRACKED],
284 optimize: OptLevel [TRACKED],
285 // Include the debug_assertions flag into dependency tracking, since it
286 // can influence whether overflow checks are done or not.
287 debug_assertions: bool [TRACKED],
288 debuginfo: DebugInfoLevel [TRACKED],
289 lint_opts: Vec<(String, lint::Level)> [TRACKED],
290 lint_cap: Option<lint::Level> [TRACKED],
291 describe_lints: bool [UNTRACKED],
292 output_types: OutputTypes [TRACKED],
293 // FIXME(mw): We track this for now but it actually doesn't make too
294 // much sense: The search path can stay the same while the
295 // things discovered there might have changed on disk.
296 search_paths: SearchPaths [TRACKED],
297 libs: Vec<(String, Option<String>, Option<cstore::NativeLibraryKind>)> [TRACKED],
298 maybe_sysroot: Option<PathBuf> [TRACKED],
300 target_triple: String [TRACKED],
302 test: bool [TRACKED],
303 error_format: ErrorOutputType [UNTRACKED],
305 // if Some, enable incremental compilation, using the given
306 // directory to store intermediate results
307 incremental: Option<PathBuf> [UNTRACKED],
309 debugging_opts: DebuggingOptions [TRACKED],
310 prints: Vec<PrintRequest> [UNTRACKED],
311 cg: CodegenOptions [TRACKED],
312 // FIXME(mw): We track this for now but it actually doesn't make too
313 // much sense: The value of this option can stay the same
314 // while the files they refer to might have changed on disk.
315 externs: Externs [TRACKED],
316 crate_name: Option<String> [TRACKED],
317 // An optional name to use as the crate for std during std injection,
318 // written `extern crate std = "name"`. Default to "std". Used by
319 // out-of-tree drivers.
320 alt_std_name: Option<String> [TRACKED],
321 // Indicates how the compiler should treat unstable features
322 unstable_features: UnstableFeatures [TRACKED],
324 // Indicates whether this run of the compiler is actually rustdoc. This
325 // is currently just a hack and will be removed eventually, so please
326 // try to not rely on this too much.
327 actually_rustdoc: bool [TRACKED],
331 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
332 pub enum PrintRequest {
346 /// Load source from file
349 /// String that is shown in place of a filename
351 /// Anonymous source string
357 pub fn filestem(&self) -> String {
359 Input::File(ref ifile) => ifile.file_stem().unwrap()
360 .to_str().unwrap().to_string(),
361 Input::Str { .. } => "rust_out".to_string(),
367 pub struct OutputFilenames {
368 pub out_directory: PathBuf,
369 pub out_filestem: String,
370 pub single_output_file: Option<PathBuf>,
372 pub outputs: OutputTypes,
375 /// Codegen unit names generated by the numbered naming scheme will contain this
376 /// marker right before the index of the codegen unit.
377 pub const NUMBERED_CODEGEN_UNIT_MARKER: &'static str = ".cgu-";
379 impl OutputFilenames {
380 pub fn path(&self, flavor: OutputType) -> PathBuf {
381 self.outputs.get(&flavor).and_then(|p| p.to_owned())
382 .or_else(|| self.single_output_file.clone())
383 .unwrap_or_else(|| self.temp_path(flavor, None))
386 /// Get the path where a compilation artifact of the given type for the
387 /// given codegen unit should be placed on disk. If codegen_unit_name is
388 /// None, a path distinct from those of any codegen unit will be generated.
389 pub fn temp_path(&self,
391 codegen_unit_name: Option<&str>)
393 let extension = flavor.extension();
394 self.temp_path_ext(extension, codegen_unit_name)
397 /// Like temp_path, but also supports things where there is no corresponding
398 /// OutputType, like no-opt-bitcode or lto-bitcode.
399 pub fn temp_path_ext(&self,
401 codegen_unit_name: Option<&str>)
403 let base = self.out_directory.join(&self.filestem());
405 let mut extension = String::new();
407 if let Some(codegen_unit_name) = codegen_unit_name {
408 if codegen_unit_name.contains(NUMBERED_CODEGEN_UNIT_MARKER) {
409 // If we use the numbered naming scheme for modules, we don't want
410 // the files to look like <crate-name><extra>.<crate-name>.<index>.<ext>
411 // but simply <crate-name><extra>.<index>.<ext>
412 let marker_offset = codegen_unit_name.rfind(NUMBERED_CODEGEN_UNIT_MARKER)
414 let index_offset = marker_offset + NUMBERED_CODEGEN_UNIT_MARKER.len();
415 extension.push_str(&codegen_unit_name[index_offset .. ]);
417 extension.push_str(codegen_unit_name);
422 if !extension.is_empty() {
423 extension.push_str(".");
426 extension.push_str(ext);
429 let path = base.with_extension(&extension[..]);
433 pub fn with_extension(&self, extension: &str) -> PathBuf {
434 self.out_directory.join(&self.filestem()).with_extension(extension)
437 pub fn filestem(&self) -> String {
438 format!("{}{}", self.out_filestem, self.extra)
442 pub fn host_triple() -> &'static str {
443 // Get the host triple out of the build environment. This ensures that our
444 // idea of the host triple is the same as for the set of libraries we've
445 // actually built. We can't just take LLVM's host triple because they
446 // normalize all ix86 architectures to i386.
448 // Instead of grabbing the host triple (for the current host), we grab (at
449 // compile time) the target triple that this rustc is built with and
450 // calling that (at runtime) the host triple.
451 (option_env!("CFG_COMPILER_HOST_TRIPLE")).
452 expect("CFG_COMPILER_HOST_TRIPLE")
455 /// Some reasonable defaults
456 pub fn basic_options() -> Options {
458 crate_types: Vec::new(),
459 optimize: OptLevel::No,
460 debuginfo: NoDebugInfo,
461 lint_opts: Vec::new(),
463 describe_lints: false,
464 output_types: OutputTypes(BTreeMap::new()),
465 search_paths: SearchPaths::new(),
467 target_triple: host_triple().to_string(),
470 debugging_opts: basic_debugging_options(),
472 cg: basic_codegen_options(),
473 error_format: ErrorOutputType::default(),
474 externs: Externs(BTreeMap::new()),
478 unstable_features: UnstableFeatures::Disallow,
479 debug_assertions: true,
480 actually_rustdoc: false,
485 /// True if there is a reason to build the dep graph.
486 pub fn build_dep_graph(&self) -> bool {
487 self.incremental.is_some() ||
488 self.debugging_opts.dump_dep_graph ||
489 self.debugging_opts.query_dep_graph
492 pub fn single_codegen_unit(&self) -> bool {
493 self.incremental.is_none() ||
494 self.cg.codegen_units == 1
497 pub fn file_path_mapping(&self) -> FilePathMapping {
498 FilePathMapping::new(
499 self.debugging_opts.remap_path_prefix_from.iter().zip(
500 self.debugging_opts.remap_path_prefix_to.iter()
501 ).map(|(src, dst)| (src.clone(), dst.clone())).collect()
506 // The type of entry function, so
507 // users can have their own entry
508 // functions that don't start a
510 #[derive(Copy, Clone, PartialEq)]
511 pub enum EntryFnType {
517 #[derive(Copy, PartialEq, PartialOrd, Clone, Ord, Eq, Hash, Debug)]
527 #[derive(Clone, Hash)]
529 SomePasses(Vec<String>),
534 pub fn is_empty(&self) -> bool {
536 SomePasses(ref v) => v.is_empty(),
542 /// Declare a macro that will define all CodegenOptions/DebuggingOptions fields and parsers all
543 /// at once. The goal of this macro is to define an interface that can be
544 /// programmatically used by the option parser in order to initialize the struct
545 /// without hardcoding field names all over the place.
547 /// The goal is to invoke this macro once with the correct fields, and then this
548 /// macro generates all necessary code. The main gotcha of this macro is the
549 /// cgsetters module which is a bunch of generated code to parse an option into
550 /// its respective field in the struct. There are a few hand-written parsers for
551 /// parsing specific types of values in this module.
552 macro_rules! options {
553 ($struct_name:ident, $setter_name:ident, $defaultfn:ident,
554 $buildfn:ident, $prefix:expr, $outputname:expr,
555 $stat:ident, $mod_desc:ident, $mod_set:ident,
556 $($opt:ident : $t:ty = (
559 [$dep_tracking_marker:ident $(($dep_warn_val:expr, $dep_warn_text:expr))*],
564 pub struct $struct_name { $(pub $opt: $t),* }
566 pub fn $defaultfn() -> $struct_name {
567 $struct_name { $($opt: $init),* }
570 pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
572 let mut op = $defaultfn();
573 for option in matches.opt_strs($prefix) {
574 let mut iter = option.splitn(2, '=');
575 let key = iter.next().unwrap();
576 let value = iter.next();
577 let option_to_lookup = key.replace("-", "_");
578 let mut found = false;
579 for &(candidate, setter, opt_type_desc, _) in $stat {
580 if option_to_lookup != candidate { continue }
581 if !setter(&mut op, value) {
582 match (value, opt_type_desc) {
583 (Some(..), None) => {
584 early_error(error_format, &format!("{} option `{}` takes no \
585 value", $outputname, key))
587 (None, Some(type_desc)) => {
588 early_error(error_format, &format!("{0} option `{1}` requires \
589 {2} ({3} {1}=<value>)",
593 (Some(value), Some(type_desc)) => {
594 early_error(error_format, &format!("incorrect value `{}` for {} \
595 option `{}` - {} was expected",
599 (None, None) => bug!()
606 early_error(error_format, &format!("unknown {} option: `{}`",
613 impl<'a> dep_tracking::DepTrackingHash for $struct_name {
615 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
616 let mut sub_hashes = BTreeMap::new();
621 [$dep_tracking_marker $($dep_warn_val,
625 dep_tracking::stable_hash(sub_hashes, hasher, error_format);
629 pub type $setter_name = fn(&mut $struct_name, v: Option<&str>) -> bool;
630 pub const $stat: &'static [(&'static str, $setter_name,
631 Option<&'static str>, &'static str)] =
632 &[ $( (stringify!($opt), $mod_set::$opt, $mod_desc::$parse, $desc) ),* ];
634 #[allow(non_upper_case_globals, dead_code)]
636 pub const parse_bool: Option<&'static str> = None;
637 pub const parse_opt_bool: Option<&'static str> =
638 Some("one of: `y`, `yes`, `on`, `n`, `no`, or `off`");
639 pub const parse_string: Option<&'static str> = Some("a string");
640 pub const parse_string_push: Option<&'static str> = Some("a string");
641 pub const parse_opt_string: Option<&'static str> = Some("a string");
642 pub const parse_list: Option<&'static str> = Some("a space-separated list of strings");
643 pub const parse_opt_list: Option<&'static str> = Some("a space-separated list of strings");
644 pub const parse_uint: Option<&'static str> = Some("a number");
645 pub const parse_passes: Option<&'static str> =
646 Some("a space-separated list of passes, or `all`");
647 pub const parse_opt_uint: Option<&'static str> =
649 pub const parse_panic_strategy: Option<&'static str> =
650 Some("either `panic` or `abort`");
651 pub const parse_sanitizer: Option<&'static str> =
652 Some("one of: `address`, `leak`, `memory` or `thread`");
653 pub const parse_linker_flavor: Option<&'static str> =
654 Some(::rustc_back::LinkerFlavor::one_of());
655 pub const parse_optimization_fuel: Option<&'static str> =
656 Some("crate=integer");
661 use super::{$struct_name, Passes, SomePasses, AllPasses, Sanitizer};
662 use rustc_back::{LinkerFlavor, PanicStrategy};
665 pub fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
666 $parse(&mut cg.$opt, v)
670 fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
673 None => { *slot = true; true }
677 fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
681 "n" | "no" | "off" => {
684 "y" | "yes" | "on" => {
687 _ => { return false; }
692 None => { *slot = Some(true); true }
696 fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
698 Some(s) => { *slot = Some(s.to_string()); true },
703 fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
705 Some(s) => { *slot = s.to_string(); true },
710 fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
712 Some(s) => { slot.push(s.to_string()); true },
717 fn parse_list(slot: &mut Vec<String>, v: Option<&str>)
721 for s in s.split_whitespace() {
722 slot.push(s.to_string());
730 fn parse_opt_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
734 let v = s.split_whitespace().map(|s| s.to_string()).collect();
742 fn parse_uint(slot: &mut usize, v: Option<&str>) -> bool {
743 match v.and_then(|s| s.parse().ok()) {
744 Some(i) => { *slot = i; true },
749 fn parse_opt_uint(slot: &mut Option<usize>, v: Option<&str>) -> bool {
751 Some(s) => { *slot = s.parse().ok(); slot.is_some() }
752 None => { *slot = None; true }
756 fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
763 let mut passes = vec![];
764 if parse_list(&mut passes, v) {
765 *slot = SomePasses(passes);
774 fn parse_panic_strategy(slot: &mut Option<PanicStrategy>, v: Option<&str>) -> bool {
776 Some("unwind") => *slot = Some(PanicStrategy::Unwind),
777 Some("abort") => *slot = Some(PanicStrategy::Abort),
783 fn parse_sanitizer(slote: &mut Option<Sanitizer>, v: Option<&str>) -> bool {
785 Some("address") => *slote = Some(Sanitizer::Address),
786 Some("leak") => *slote = Some(Sanitizer::Leak),
787 Some("memory") => *slote = Some(Sanitizer::Memory),
788 Some("thread") => *slote = Some(Sanitizer::Thread),
794 fn parse_linker_flavor(slote: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
795 match v.and_then(LinkerFlavor::from_str) {
796 Some(lf) => *slote = Some(lf),
802 fn parse_optimization_fuel(slot: &mut Option<(String, u64)>, v: Option<&str>) -> bool {
806 let parts = s.split('=').collect::<Vec<_>>();
807 if parts.len() != 2 { return false; }
808 let crate_name = parts[0].to_string();
809 let fuel = parts[1].parse::<u64>();
810 if fuel.is_err() { return false; }
811 *slot = Some((crate_name, fuel.unwrap()));
819 options! {CodegenOptions, CodegenSetter, basic_codegen_options,
820 build_codegen_options, "C", "codegen",
821 CG_OPTIONS, cg_type_desc, cgsetters,
822 ar: Option<String> = (None, parse_opt_string, [UNTRACKED],
823 "tool to assemble archives with"),
824 linker: Option<String> = (None, parse_opt_string, [UNTRACKED],
825 "system linker to link outputs with"),
826 link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
827 "a single extra argument to append to the linker invocation (can be used several times)"),
828 link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
829 "extra arguments to append to the linker invocation (space separated)"),
830 link_dead_code: bool = (false, parse_bool, [UNTRACKED],
831 "don't let linker strip dead code (turning it on can be used for code coverage)"),
832 lto: bool = (false, parse_bool, [TRACKED],
833 "perform LLVM link-time optimizations"),
834 target_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
835 "select target processor (rustc --print target-cpus for details)"),
836 target_feature: String = ("".to_string(), parse_string, [TRACKED],
837 "target specific attributes (rustc --print target-features for details)"),
838 passes: Vec<String> = (Vec::new(), parse_list, [TRACKED],
839 "a list of extra LLVM passes to run (space separated)"),
840 llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED],
841 "a list of arguments to pass to llvm (space separated)"),
842 save_temps: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
843 "`-C save-temps` might not produce all requested temporary products \
844 when incremental compilation is enabled.")],
845 "save all temporary output files during compilation"),
846 rpath: bool = (false, parse_bool, [UNTRACKED],
847 "set rpath values in libs/exes"),
848 overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
849 "use overflow checks for integer arithmetic"),
850 no_prepopulate_passes: bool = (false, parse_bool, [TRACKED],
851 "don't pre-populate the pass manager with a list of passes"),
852 no_vectorize_loops: bool = (false, parse_bool, [TRACKED],
853 "don't run the loop vectorization optimization passes"),
854 no_vectorize_slp: bool = (false, parse_bool, [TRACKED],
855 "don't run LLVM's SLP vectorization pass"),
856 soft_float: bool = (false, parse_bool, [TRACKED],
857 "use soft float ABI (*eabihf targets only)"),
858 prefer_dynamic: bool = (false, parse_bool, [TRACKED],
859 "prefer dynamic linking to static linking"),
860 no_integrated_as: bool = (false, parse_bool, [TRACKED],
861 "use an external assembler rather than LLVM's integrated one"),
862 no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED],
863 "disable the use of the redzone"),
864 relocation_model: Option<String> = (None, parse_opt_string, [TRACKED],
865 "choose the relocation model to use (rustc --print relocation-models for details)"),
866 code_model: Option<String> = (None, parse_opt_string, [TRACKED],
867 "choose the code model to use (rustc --print code-models for details)"),
868 metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED],
869 "metadata to mangle symbol names with"),
870 extra_filename: String = ("".to_string(), parse_string, [UNTRACKED],
871 "extra data to put in each output filename"),
872 codegen_units: usize = (1, parse_uint, [UNTRACKED],
873 "divide crate into N units to optimize in parallel"),
874 remark: Passes = (SomePasses(Vec::new()), parse_passes, [UNTRACKED],
875 "print remarks for these optimization passes (space separated, or \"all\")"),
876 no_stack_check: bool = (false, parse_bool, [UNTRACKED],
877 "the --no-stack-check flag is deprecated and does nothing"),
878 debuginfo: Option<usize> = (None, parse_opt_uint, [TRACKED],
879 "debug info emission level, 0 = no debug info, 1 = line tables only, \
880 2 = full debug info with variable and type information"),
881 opt_level: Option<String> = (None, parse_opt_string, [TRACKED],
882 "optimize with possible levels 0-3, s, or z"),
883 debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED],
884 "explicitly enable the cfg(debug_assertions) directive"),
885 inline_threshold: Option<usize> = (None, parse_opt_uint, [TRACKED],
886 "set the inlining threshold for"),
887 panic: Option<PanicStrategy> = (None, parse_panic_strategy,
888 [TRACKED], "panic strategy to compile crate with"),
891 options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
892 build_debugging_options, "Z", "debugging",
893 DB_OPTIONS, db_type_desc, dbsetters,
894 verbose: bool = (false, parse_bool, [UNTRACKED],
895 "in general, enable more debug printouts"),
896 time_passes: bool = (false, parse_bool, [UNTRACKED],
897 "measure time of each rustc pass"),
898 count_llvm_insns: bool = (false, parse_bool,
899 [UNTRACKED_WITH_WARNING(true,
900 "The output generated by `-Z count_llvm_insns` might not be reliable \
901 when used with incremental compilation")],
902 "count where LLVM instrs originate"),
903 time_llvm_passes: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
904 "The output of `-Z time-llvm-passes` will only reflect timings of \
905 re-translated modules when used with incremental compilation" )],
906 "measure time of each LLVM pass"),
907 input_stats: bool = (false, parse_bool, [UNTRACKED],
908 "gather statistics about the input"),
909 trans_stats: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
910 "The output of `-Z trans-stats` might not be accurate when incremental \
911 compilation is enabled")],
912 "gather trans statistics"),
913 asm_comments: bool = (false, parse_bool, [TRACKED],
914 "generate comments into the assembly (may change behavior)"),
915 no_verify: bool = (false, parse_bool, [TRACKED],
916 "skip LLVM verification"),
917 borrowck_stats: bool = (false, parse_bool, [UNTRACKED],
918 "gather borrowck statistics"),
919 no_landing_pads: bool = (false, parse_bool, [TRACKED],
920 "omit landing pads for unwinding"),
921 debug_llvm: bool = (false, parse_bool, [UNTRACKED],
922 "enable debug output from LLVM"),
923 meta_stats: bool = (false, parse_bool, [UNTRACKED],
924 "gather metadata statistics"),
925 print_link_args: bool = (false, parse_bool, [UNTRACKED],
926 "print the arguments passed to the linker"),
927 print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
928 "prints the llvm optimization passes being run"),
929 ast_json: bool = (false, parse_bool, [UNTRACKED],
930 "print the AST as JSON and halt"),
931 ast_json_noexpand: bool = (false, parse_bool, [UNTRACKED],
932 "print the pre-expansion AST as JSON and halt"),
933 ls: bool = (false, parse_bool, [UNTRACKED],
934 "list the symbols defined by a library crate"),
935 save_analysis: bool = (false, parse_bool, [UNTRACKED],
936 "write syntax and type analysis (in JSON format) information, in \
937 addition to normal output"),
938 save_analysis_csv: bool = (false, parse_bool, [UNTRACKED],
939 "write syntax and type analysis (in CSV format) information, in addition to normal output"),
940 save_analysis_api: bool = (false, parse_bool, [UNTRACKED],
941 "write syntax and type analysis information for opaque libraries (in JSON format), \
942 in addition to normal output"),
943 print_move_fragments: bool = (false, parse_bool, [UNTRACKED],
944 "print out move-fragment data for every fn"),
945 flowgraph_print_loans: bool = (false, parse_bool, [UNTRACKED],
946 "include loan analysis data in --unpretty flowgraph output"),
947 flowgraph_print_moves: bool = (false, parse_bool, [UNTRACKED],
948 "include move analysis data in --unpretty flowgraph output"),
949 flowgraph_print_assigns: bool = (false, parse_bool, [UNTRACKED],
950 "include assignment analysis data in --unpretty flowgraph output"),
951 flowgraph_print_all: bool = (false, parse_bool, [UNTRACKED],
952 "include all dataflow analysis data in --unpretty flowgraph output"),
953 print_region_graph: bool = (false, parse_bool, [UNTRACKED],
954 "prints region inference graph. \
955 Use with RUST_REGION_GRAPH=help for more info"),
956 parse_only: bool = (false, parse_bool, [UNTRACKED],
957 "parse only; do not compile, assemble, or link"),
958 no_trans: bool = (false, parse_bool, [TRACKED],
959 "run all passes except translation; no output"),
960 treat_err_as_bug: bool = (false, parse_bool, [TRACKED],
961 "treat all errors that occur as bugs"),
962 continue_parse_after_error: bool = (false, parse_bool, [TRACKED],
963 "attempt to recover from parse errors (experimental)"),
964 incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
965 "enable incremental compilation (experimental)"),
966 incremental_cc: bool = (true, parse_bool, [UNTRACKED],
967 "enable cross-crate incremental compilation (even more experimental)"),
968 incremental_info: bool = (false, parse_bool, [UNTRACKED],
969 "print high-level information about incremental reuse (or the lack thereof)"),
970 incremental_dump_hash: bool = (false, parse_bool, [UNTRACKED],
971 "dump hash information in textual format to stdout"),
972 dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
973 "dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv)"),
974 query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
975 "enable queries of the dependency graph for regression testing"),
976 no_analysis: bool = (false, parse_bool, [UNTRACKED],
977 "parse and expand the source, but run no analysis"),
978 extra_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED],
979 "load extra plugins"),
980 unstable_options: bool = (false, parse_bool, [UNTRACKED],
981 "adds unstable command line options to rustc interface"),
982 force_overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
983 "force overflow checks on or off"),
984 trace_macros: bool = (false, parse_bool, [UNTRACKED],
985 "for every macro invocation, print its name and arguments"),
986 debug_macros: bool = (false, parse_bool, [TRACKED],
987 "emit line numbers debug info inside macros"),
988 enable_nonzeroing_move_hints: bool = (false, parse_bool, [TRACKED],
989 "force nonzeroing move optimization on"),
990 keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
991 "don't clear the hygiene data after analysis"),
992 keep_ast: bool = (false, parse_bool, [UNTRACKED],
993 "keep the AST after lowering it to HIR"),
994 show_span: Option<String> = (None, parse_opt_string, [TRACKED],
995 "show spans for compiler debugging (expr|pat|ty)"),
996 print_type_sizes: bool = (false, parse_bool, [UNTRACKED],
997 "print layout information for each type encountered"),
998 print_trans_items: Option<String> = (None, parse_opt_string, [UNTRACKED],
999 "print the result of the translation item collection pass"),
1000 mir_opt_level: usize = (1, parse_uint, [TRACKED],
1001 "set the MIR optimization level (0-3, default: 1)"),
1002 dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
1003 "dump MIR state at various points in translation"),
1004 dump_mir_dir: Option<String> = (None, parse_opt_string, [UNTRACKED],
1005 "the directory the MIR is dumped into"),
1006 dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED],
1007 "if set, exclude the pass number when dumping MIR (used in tests)"),
1008 perf_stats: bool = (false, parse_bool, [UNTRACKED],
1009 "print some performance-related statistics"),
1010 hir_stats: bool = (false, parse_bool, [UNTRACKED],
1011 "print some statistics about AST and HIR"),
1012 mir_stats: bool = (false, parse_bool, [UNTRACKED],
1013 "print some statistics about MIR"),
1014 always_encode_mir: bool = (false, parse_bool, [TRACKED],
1015 "encode MIR of all functions into the crate metadata"),
1016 osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
1017 "pass `-install_name @rpath/...` to the macOS linker"),
1018 sanitizer: Option<Sanitizer> = (None, parse_sanitizer, [TRACKED],
1020 linker_flavor: Option<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
1022 fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED],
1023 "Set the optimization fuel quota for a crate."),
1024 print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
1025 "Make Rustc print the total optimization fuel used by a crate."),
1026 remap_path_prefix_from: Vec<String> = (vec![], parse_string_push, [TRACKED],
1027 "add a source pattern to the file path remapping config"),
1028 remap_path_prefix_to: Vec<String> = (vec![], parse_string_push, [TRACKED],
1029 "add a mapping target to the file path remapping config"),
1030 force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],
1031 "force all crates to be `rustc_private` unstable"),
1032 pre_link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
1033 "a single extra argument to prepend the linker invocation (can be used several times)"),
1034 pre_link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
1035 "extra arguments to prepend to the linker invocation (space separated)"),
1038 pub fn default_lib_output() -> CrateType {
1042 pub fn default_configuration(sess: &Session) -> ast::CrateConfig {
1043 let end = &sess.target.target.target_endian;
1044 let arch = &sess.target.target.arch;
1045 let wordsz = &sess.target.target.target_pointer_width;
1046 let os = &sess.target.target.target_os;
1047 let env = &sess.target.target.target_env;
1048 let vendor = &sess.target.target.target_vendor;
1049 let min_atomic_width = sess.target.target.min_atomic_width();
1050 let max_atomic_width = sess.target.target.max_atomic_width();
1052 let mut ret = HashSet::new();
1054 ret.insert((Symbol::intern("target_os"), Some(Symbol::intern(os))));
1055 if let Some(ref fam) = sess.target.target.options.target_family {
1056 ret.insert((Symbol::intern("target_family"), Some(Symbol::intern(fam))));
1057 if fam == "windows" || fam == "unix" {
1058 ret.insert((Symbol::intern(fam), None));
1061 ret.insert((Symbol::intern("target_arch"), Some(Symbol::intern(arch))));
1062 ret.insert((Symbol::intern("target_endian"), Some(Symbol::intern(end))));
1063 ret.insert((Symbol::intern("target_pointer_width"), Some(Symbol::intern(wordsz))));
1064 ret.insert((Symbol::intern("target_env"), Some(Symbol::intern(env))));
1065 ret.insert((Symbol::intern("target_vendor"), Some(Symbol::intern(vendor))));
1066 if sess.target.target.options.has_elf_tls {
1067 ret.insert((Symbol::intern("target_thread_local"), None));
1069 for &i in &[8, 16, 32, 64, 128] {
1070 if i >= min_atomic_width && i <= max_atomic_width {
1071 let s = i.to_string();
1072 ret.insert((Symbol::intern("target_has_atomic"), Some(Symbol::intern(&s))));
1074 ret.insert((Symbol::intern("target_has_atomic"), Some(Symbol::intern("ptr"))));
1078 if sess.opts.debug_assertions {
1079 ret.insert((Symbol::intern("debug_assertions"), None));
1081 if sess.opts.crate_types.contains(&CrateTypeProcMacro) {
1082 ret.insert((Symbol::intern("proc_macro"), None));
1087 pub fn build_configuration(sess: &Session,
1088 mut user_cfg: ast::CrateConfig)
1089 -> ast::CrateConfig {
1090 // Combine the configuration requested by the session (command line) with
1091 // some default and generated configuration items
1092 let default_cfg = default_configuration(sess);
1093 // If the user wants a test runner, then add the test cfg
1095 user_cfg.insert((Symbol::intern("test"), None));
1097 user_cfg.extend(default_cfg.iter().cloned());
1101 pub fn build_target_config(opts: &Options, sp: &Handler) -> Config {
1102 let target = match Target::search(&opts.target_triple) {
1105 sp.struct_fatal(&format!("Error loading target specification: {}", e))
1106 .help("Use `--print target-list` for a list of built-in targets")
1112 let (int_type, uint_type) = match &target.target_pointer_width[..] {
1113 "16" => (ast::IntTy::I16, ast::UintTy::U16),
1114 "32" => (ast::IntTy::I32, ast::UintTy::U32),
1115 "64" => (ast::IntTy::I64, ast::UintTy::U64),
1116 w => panic!(sp.fatal(&format!("target specification was invalid: \
1117 unrecognized target-pointer-width {}", w))),
1123 uint_type: uint_type,
1127 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
1128 pub enum OptionStability {
1134 #[derive(Clone, PartialEq, Eq)]
1135 pub struct RustcOptGroup {
1136 pub opt_group: getopts::OptGroup,
1137 pub stability: OptionStability,
1140 impl RustcOptGroup {
1141 pub fn is_stable(&self) -> bool {
1142 self.stability == OptionStability::Stable
1145 pub fn stable(g: getopts::OptGroup) -> RustcOptGroup {
1146 RustcOptGroup { opt_group: g, stability: OptionStability::Stable }
1149 pub fn unstable(g: getopts::OptGroup) -> RustcOptGroup {
1150 RustcOptGroup { opt_group: g, stability: OptionStability::Unstable }
1154 // The `opt` local module holds wrappers around the `getopts` API that
1155 // adds extra rustc-specific metadata to each option; such metadata
1156 // is exposed by . The public
1157 // functions below ending with `_u` are the functions that return
1158 // *unstable* options, i.e. options that are only enabled when the
1159 // user also passes the `-Z unstable-options` debugging flag.
1161 // The `fn opt_u` etc below are written so that we can use them
1162 // in the future; do not warn about them not being used right now.
1163 #![allow(dead_code)]
1166 use super::RustcOptGroup;
1168 pub type R = RustcOptGroup;
1169 pub type S<'a> = &'a str;
1171 fn stable(g: getopts::OptGroup) -> R { RustcOptGroup::stable(g) }
1172 fn unstable(g: getopts::OptGroup) -> R { RustcOptGroup::unstable(g) }
1174 pub fn opt_s(a: S, b: S, c: S, d: S) -> R {
1175 stable(getopts::optopt(a, b, c, d))
1177 pub fn multi_s(a: S, b: S, c: S, d: S) -> R {
1178 stable(getopts::optmulti(a, b, c, d))
1180 pub fn flag_s(a: S, b: S, c: S) -> R {
1181 stable(getopts::optflag(a, b, c))
1183 pub fn flagopt_s(a: S, b: S, c: S, d: S) -> R {
1184 stable(getopts::optflagopt(a, b, c, d))
1186 pub fn flagmulti_s(a: S, b: S, c: S) -> R {
1187 stable(getopts::optflagmulti(a, b, c))
1190 pub fn opt(a: S, b: S, c: S, d: S) -> R {
1191 unstable(getopts::optopt(a, b, c, d))
1193 pub fn multi(a: S, b: S, c: S, d: S) -> R {
1194 unstable(getopts::optmulti(a, b, c, d))
1196 pub fn flag(a: S, b: S, c: S) -> R {
1197 unstable(getopts::optflag(a, b, c))
1199 pub fn flagopt(a: S, b: S, c: S, d: S) -> R {
1200 unstable(getopts::optflagopt(a, b, c, d))
1202 pub fn flagmulti(a: S, b: S, c: S) -> R {
1203 unstable(getopts::optflagmulti(a, b, c))
1207 /// Returns the "short" subset of the rustc command line options,
1208 /// including metadata for each option, such as whether the option is
1209 /// part of the stable long-term interface for rustc.
1210 pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
1211 let mut print_opts = vec!["crate-name", "file-names", "sysroot", "cfg",
1212 "target-list", "target-cpus", "target-features",
1213 "relocation-models", "code-models"];
1214 if nightly_options::is_nightly_build() {
1215 print_opts.push("target-spec-json");
1219 opt::flag_s("h", "help", "Display this message"),
1220 opt::multi_s("", "cfg", "Configure the compilation environment", "SPEC"),
1221 opt::multi_s("L", "", "Add a directory to the library search path. The
1222 optional KIND can be one of dependency, crate, native,
1223 framework or all (the default).", "[KIND=]PATH"),
1224 opt::multi_s("l", "", "Link the generated crate(s) to the specified native
1225 library NAME. The optional KIND can be one of
1226 static, dylib, or framework. If omitted, dylib is
1227 assumed.", "[KIND=]NAME"),
1228 opt::multi_s("", "crate-type", "Comma separated list of types of crates
1229 for the compiler to emit",
1230 "[bin|lib|rlib|dylib|cdylib|staticlib|proc-macro]"),
1231 opt::opt_s("", "crate-name", "Specify the name of the crate being built",
1233 opt::multi_s("", "emit", "Comma separated list of types of output for \
1234 the compiler to emit",
1235 "[asm|llvm-bc|llvm-ir|obj|metadata|link|dep-info|mir]"),
1236 opt::multi_s("", "print", "Comma separated list of compiler information to \
1237 print on stdout", &format!("[{}]",
1238 &print_opts.join("|"))),
1239 opt::flagmulti_s("g", "", "Equivalent to -C debuginfo=2"),
1240 opt::flagmulti_s("O", "", "Equivalent to -C opt-level=2"),
1241 opt::opt_s("o", "", "Write output to <filename>", "FILENAME"),
1242 opt::opt_s("", "out-dir", "Write output to compiler-chosen filename \
1244 opt::opt_s("", "explain", "Provide a detailed explanation of an error \
1246 opt::flag_s("", "test", "Build a test harness"),
1247 opt::opt_s("", "target", "Target triple for which the code is compiled", "TARGET"),
1248 opt::multi_s("W", "warn", "Set lint warnings", "OPT"),
1249 opt::multi_s("A", "allow", "Set lint allowed", "OPT"),
1250 opt::multi_s("D", "deny", "Set lint denied", "OPT"),
1251 opt::multi_s("F", "forbid", "Set lint forbidden", "OPT"),
1252 opt::multi_s("", "cap-lints", "Set the most restrictive lint level. \
1253 More restrictive lints are capped at this \
1255 opt::multi_s("C", "codegen", "Set a codegen option", "OPT[=VALUE]"),
1256 opt::flag_s("V", "version", "Print version info and exit"),
1257 opt::flag_s("v", "verbose", "Use verbose output"),
1261 /// Returns all rustc command line options, including metadata for
1262 /// each option, such as whether the option is part of the stable
1263 /// long-term interface for rustc.
1264 pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
1265 let mut opts = rustc_short_optgroups();
1266 opts.extend_from_slice(&[
1267 opt::multi_s("", "extern", "Specify where an external rust library is located",
1269 opt::opt_s("", "sysroot", "Override the system root", "PATH"),
1270 opt::multi("Z", "", "Set internal debugging options", "FLAG"),
1271 opt::opt_s("", "error-format",
1272 "How errors and other messages are produced",
1274 opt::opt_s("", "color", "Configure coloring of output:
1275 auto = colorize, if output goes to a tty (default);
1276 always = always colorize output;
1277 never = never colorize output", "auto|always|never"),
1279 opt::flagopt("", "pretty",
1280 "Pretty-print the input instead of compiling;
1281 valid types are: `normal` (un-annotated source),
1282 `expanded` (crates expanded), or
1283 `expanded,identified` (fully parenthesized, AST nodes with IDs).",
1285 opt::flagopt("", "unpretty",
1286 "Present the input source, unstable (and less-pretty) variants;
1287 valid types are any of the types for `--pretty`, as well as:
1288 `flowgraph=<nodeid>` (graphviz formatted flowgraph for node),
1289 `everybody_loops` (all function bodies replaced with `loop {}`),
1290 `hir` (the HIR), `hir,identified`, or
1291 `hir,typed` (HIR with types for each node).",
1297 // Convert strings provided as --cfg [cfgspec] into a crate_cfg
1298 pub fn parse_cfgspecs(cfgspecs: Vec<String> ) -> ast::CrateConfig {
1299 cfgspecs.into_iter().map(|s| {
1300 let sess = parse::ParseSess::new(FilePathMapping::empty());
1302 parse::new_parser_from_source_str(&sess, "cfgspec".to_string(), s.to_string());
1304 let meta_item = panictry!(parser.parse_meta_item());
1306 if parser.token != token::Eof {
1307 early_error(ErrorOutputType::default(), &format!("invalid --cfg argument: {}", s))
1308 } else if meta_item.is_meta_item_list() {
1310 format!("invalid predicate in --cfg command line argument: `{}`", meta_item.name());
1311 early_error(ErrorOutputType::default(), &msg)
1314 (meta_item.name(), meta_item.value_str())
1315 }).collect::<ast::CrateConfig>()
1318 pub fn build_session_options_and_crate_config(matches: &getopts::Matches)
1319 -> (Options, ast::CrateConfig) {
1320 let color = match matches.opt_str("color").as_ref().map(|s| &s[..]) {
1321 Some("auto") => ColorConfig::Auto,
1322 Some("always") => ColorConfig::Always,
1323 Some("never") => ColorConfig::Never,
1325 None => ColorConfig::Auto,
1328 early_error(ErrorOutputType::default(), &format!("argument for --color must be auto, \
1329 always or never (instead was `{}`)",
1334 // We need the opts_present check because the driver will send us Matches
1335 // with only stable options if no unstable options are used. Since error-format
1336 // is unstable, it will not be present. We have to use opts_present not
1337 // opt_present because the latter will panic.
1338 let error_format = if matches.opts_present(&["error-format".to_owned()]) {
1339 match matches.opt_str("error-format").as_ref().map(|s| &s[..]) {
1340 Some("human") => ErrorOutputType::HumanReadable(color),
1341 Some("json") => ErrorOutputType::Json,
1343 None => ErrorOutputType::HumanReadable(color),
1346 early_error(ErrorOutputType::HumanReadable(color),
1347 &format!("argument for --error-format must be human or json (instead \
1353 ErrorOutputType::HumanReadable(color)
1356 let unparsed_crate_types = matches.opt_strs("crate-type");
1357 let (crate_types, emit_metadata) = parse_crate_types_from_list(unparsed_crate_types)
1358 .unwrap_or_else(|e| early_error(error_format, &e[..]));
1360 let mut lint_opts = vec![];
1361 let mut describe_lints = false;
1363 for &level in &[lint::Allow, lint::Warn, lint::Deny, lint::Forbid] {
1364 for lint_name in matches.opt_strs(level.as_str()) {
1365 if lint_name == "help" {
1366 describe_lints = true;
1368 lint_opts.push((lint_name.replace("-", "_"), level));
1373 let lint_cap = matches.opt_str("cap-lints").map(|cap| {
1374 lint::Level::from_str(&cap).unwrap_or_else(|| {
1375 early_error(error_format, &format!("unknown lint level: `{}`", cap))
1379 let debugging_opts = build_debugging_options(matches, error_format);
1381 let mut output_types = BTreeMap::new();
1382 if !debugging_opts.parse_only {
1383 for list in matches.opt_strs("emit") {
1384 for output_type in list.split(',') {
1385 let mut parts = output_type.splitn(2, '=');
1386 let output_type = match parts.next().unwrap() {
1387 "asm" => OutputType::Assembly,
1388 "llvm-ir" => OutputType::LlvmAssembly,
1389 "mir" => OutputType::Mir,
1390 "llvm-bc" => OutputType::Bitcode,
1391 "obj" => OutputType::Object,
1392 "metadata" => OutputType::Metadata,
1393 "link" => OutputType::Exe,
1394 "dep-info" => OutputType::DepInfo,
1396 early_error(error_format, &format!("unknown emission type: `{}`",
1400 let path = parts.next().map(PathBuf::from);
1401 output_types.insert(output_type, path);
1406 output_types.insert(OutputType::Metadata, None);
1407 } else if output_types.is_empty() {
1408 output_types.insert(OutputType::Exe, None);
1411 let remap_path_prefix_sources = debugging_opts.remap_path_prefix_from.len();
1412 let remap_path_prefix_targets = debugging_opts.remap_path_prefix_from.len();
1414 if remap_path_prefix_targets < remap_path_prefix_sources {
1415 for source in &debugging_opts.remap_path_prefix_from[remap_path_prefix_targets..] {
1416 early_error(error_format,
1417 &format!("option `-Zremap-path-prefix-from='{}'` does not have \
1418 a corresponding `-Zremap-path-prefix-to`", source))
1420 } else if remap_path_prefix_targets > remap_path_prefix_sources {
1421 for target in &debugging_opts.remap_path_prefix_to[remap_path_prefix_sources..] {
1422 early_error(error_format,
1423 &format!("option `-Zremap-path-prefix-to='{}'` does not have \
1424 a corresponding `-Zremap-path-prefix-from`", target))
1428 let mut cg = build_codegen_options(matches, error_format);
1430 // Issue #30063: if user requests llvm-related output to one
1431 // particular path, disable codegen-units.
1432 if matches.opt_present("o") && cg.codegen_units != 1 {
1433 let incompatible: Vec<_> = output_types.iter()
1434 .map(|ot_path| ot_path.0)
1436 !ot.is_compatible_with_codegen_units_and_single_output_file()
1438 if !incompatible.is_empty() {
1439 for ot in &incompatible {
1440 early_warn(error_format, &format!("--emit={} with -o incompatible with \
1441 -C codegen-units=N for N > 1",
1444 early_warn(error_format, "resetting to default -C codegen-units=1");
1445 cg.codegen_units = 1;
1449 if cg.codegen_units < 1 {
1450 early_error(error_format, "Value for codegen units must be a positive nonzero integer");
1453 let mut prints = Vec::<PrintRequest>::new();
1454 if cg.target_cpu.as_ref().map_or(false, |s| s == "help") {
1455 prints.push(PrintRequest::TargetCPUs);
1456 cg.target_cpu = None;
1458 if cg.target_feature == "help" {
1459 prints.push(PrintRequest::TargetFeatures);
1460 cg.target_feature = "".to_string();
1462 if cg.relocation_model.as_ref().map_or(false, |s| s == "help") {
1463 prints.push(PrintRequest::RelocationModels);
1464 cg.relocation_model = None;
1466 if cg.code_model.as_ref().map_or(false, |s| s == "help") {
1467 prints.push(PrintRequest::CodeModels);
1468 cg.code_model = None;
1473 let sysroot_opt = matches.opt_str("sysroot").map(|m| PathBuf::from(&m));
1474 let target = matches.opt_str("target").unwrap_or(
1475 host_triple().to_string());
1477 if matches.opt_present("O") {
1478 if cg.opt_level.is_some() {
1479 early_error(error_format, "-O and -C opt-level both provided");
1483 match (cg.opt_level.as_ref().map(String::as_ref),
1484 nightly_options::is_nightly_build()) {
1485 (None, _) => OptLevel::No,
1486 (Some("0"), _) => OptLevel::No,
1487 (Some("1"), _) => OptLevel::Less,
1488 (Some("2"), _) => OptLevel::Default,
1489 (Some("3"), _) => OptLevel::Aggressive,
1490 (Some("s"), true) => OptLevel::Size,
1491 (Some("z"), true) => OptLevel::SizeMin,
1492 (Some("s"), false) | (Some("z"), false) => {
1493 early_error(error_format, &format!("the optimizations s or z are only \
1494 accepted on the nightly compiler"));
1497 early_error(error_format, &format!("optimization level needs to be \
1498 between 0-3 (instead was `{}`)",
1504 let debug_assertions = cg.debug_assertions.unwrap_or(opt_level == OptLevel::No);
1505 let debuginfo = if matches.opt_present("g") {
1506 if cg.debuginfo.is_some() {
1507 early_error(error_format, "-g and -C debuginfo both provided");
1511 match cg.debuginfo {
1512 None | Some(0) => NoDebugInfo,
1513 Some(1) => LimitedDebugInfo,
1514 Some(2) => FullDebugInfo,
1516 early_error(error_format, &format!("debug info level needs to be between \
1517 0-2 (instead was `{}`)",
1523 let mut search_paths = SearchPaths::new();
1524 for s in &matches.opt_strs("L") {
1525 search_paths.add_path(&s[..], error_format);
1528 let libs = matches.opt_strs("l").into_iter().map(|s| {
1529 // Parse string of the form "[KIND=]lib[:new_name]",
1530 // where KIND is one of "dylib", "framework", "static".
1531 let mut parts = s.splitn(2, '=');
1532 let kind = parts.next().unwrap();
1533 let (name, kind) = match (parts.next(), kind) {
1534 (None, name) => (name, None),
1535 (Some(name), "dylib") => (name, Some(cstore::NativeUnknown)),
1536 (Some(name), "framework") => (name, Some(cstore::NativeFramework)),
1537 (Some(name), "static") => (name, Some(cstore::NativeStatic)),
1538 (Some(name), "static-nobundle") => (name, Some(cstore::NativeStaticNobundle)),
1540 early_error(error_format, &format!("unknown library kind `{}`, expected \
1541 one of dylib, framework, or static",
1545 if kind == Some(cstore::NativeStaticNobundle) && !nightly_options::is_nightly_build() {
1546 early_error(error_format, &format!("the library kind 'static-nobundle' is only \
1547 accepted on the nightly compiler"));
1549 let mut name_parts = name.splitn(2, ':');
1550 let name = name_parts.next().unwrap();
1551 let new_name = name_parts.next();
1552 (name.to_string(), new_name.map(|n| n.to_string()), kind)
1555 let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
1556 let test = matches.opt_present("test");
1558 prints.extend(matches.opt_strs("print").into_iter().map(|s| {
1560 "crate-name" => PrintRequest::CrateName,
1561 "file-names" => PrintRequest::FileNames,
1562 "sysroot" => PrintRequest::Sysroot,
1563 "cfg" => PrintRequest::Cfg,
1564 "target-list" => PrintRequest::TargetList,
1565 "target-cpus" => PrintRequest::TargetCPUs,
1566 "target-features" => PrintRequest::TargetFeatures,
1567 "relocation-models" => PrintRequest::RelocationModels,
1568 "code-models" => PrintRequest::CodeModels,
1569 "target-spec-json" if nightly_options::is_unstable_enabled(matches)
1570 => PrintRequest::TargetSpec,
1572 early_error(error_format, &format!("unknown print request `{}`", req))
1577 if !cg.remark.is_empty() && debuginfo == NoDebugInfo {
1578 early_warn(error_format, "-C remark will not show source locations without \
1582 let mut externs = BTreeMap::new();
1583 for arg in &matches.opt_strs("extern") {
1584 let mut parts = arg.splitn(2, '=');
1585 let name = match parts.next() {
1587 None => early_error(error_format, "--extern value must not be empty"),
1589 let location = match parts.next() {
1591 None => early_error(error_format, "--extern value must be of the format `foo=bar`"),
1594 externs.entry(name.to_string())
1595 .or_insert_with(BTreeSet::new)
1596 .insert(location.to_string());
1599 let crate_name = matches.opt_str("crate-name");
1601 let incremental = debugging_opts.incremental.as_ref().map(|m| PathBuf::from(m));
1604 crate_types: crate_types,
1605 optimize: opt_level,
1606 debuginfo: debuginfo,
1607 lint_opts: lint_opts,
1609 describe_lints: describe_lints,
1610 output_types: OutputTypes(output_types),
1611 search_paths: search_paths,
1612 maybe_sysroot: sysroot_opt,
1613 target_triple: target,
1615 incremental: incremental,
1616 debugging_opts: debugging_opts,
1619 error_format: error_format,
1620 externs: Externs(externs),
1621 crate_name: crate_name,
1624 unstable_features: UnstableFeatures::from_environment(),
1625 debug_assertions: debug_assertions,
1626 actually_rustdoc: false,
1631 pub fn parse_crate_types_from_list(list_list: Vec<String>)
1632 -> Result<(Vec<CrateType>, bool), String> {
1633 let mut crate_types: Vec<CrateType> = Vec::new();
1634 let mut emit_metadata = false;
1635 for unparsed_crate_type in &list_list {
1636 for part in unparsed_crate_type.split(',') {
1637 let new_part = match part {
1638 "lib" => default_lib_output(),
1639 "rlib" => CrateTypeRlib,
1640 "staticlib" => CrateTypeStaticlib,
1641 "dylib" => CrateTypeDylib,
1642 "cdylib" => CrateTypeCdylib,
1643 "bin" => CrateTypeExecutable,
1644 "proc-macro" => CrateTypeProcMacro,
1645 // FIXME(#38640) remove this when Cargo is fixed.
1647 early_warn(ErrorOutputType::default(), "--crate-type=metadata is deprecated, \
1648 prefer --emit=metadata");
1649 emit_metadata = true;
1653 return Err(format!("unknown crate type: `{}`",
1657 if !crate_types.contains(&new_part) {
1658 crate_types.push(new_part)
1663 return Ok((crate_types, emit_metadata));
1666 pub mod nightly_options {
1668 use syntax::feature_gate::UnstableFeatures;
1669 use super::{ErrorOutputType, OptionStability, RustcOptGroup};
1670 use session::early_error;
1672 pub fn is_unstable_enabled(matches: &getopts::Matches) -> bool {
1673 is_nightly_build() && matches.opt_strs("Z").iter().any(|x| *x == "unstable-options")
1676 pub fn is_nightly_build() -> bool {
1677 UnstableFeatures::from_environment().is_nightly_build()
1680 pub fn check_nightly_options(matches: &getopts::Matches, flags: &[RustcOptGroup]) {
1681 let has_z_unstable_option = matches.opt_strs("Z").iter().any(|x| *x == "unstable-options");
1682 let really_allows_unstable_options = UnstableFeatures::from_environment()
1683 .is_nightly_build();
1685 for opt in flags.iter() {
1686 if opt.stability == OptionStability::Stable {
1689 let opt_name = if opt.opt_group.long_name.is_empty() {
1690 &opt.opt_group.short_name
1692 &opt.opt_group.long_name
1694 if !matches.opt_present(opt_name) {
1697 if opt_name != "Z" && !has_z_unstable_option {
1698 early_error(ErrorOutputType::default(),
1699 &format!("the `-Z unstable-options` flag must also be passed to enable \
1703 if really_allows_unstable_options {
1706 match opt.stability {
1707 OptionStability::Unstable => {
1708 let msg = format!("the option `{}` is only accepted on the \
1709 nightly compiler", opt_name);
1710 early_error(ErrorOutputType::default(), &msg);
1712 OptionStability::Stable => {}
1718 impl fmt::Display for CrateType {
1719 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1721 CrateTypeExecutable => "bin".fmt(f),
1722 CrateTypeDylib => "dylib".fmt(f),
1723 CrateTypeRlib => "rlib".fmt(f),
1724 CrateTypeStaticlib => "staticlib".fmt(f),
1725 CrateTypeCdylib => "cdylib".fmt(f),
1726 CrateTypeProcMacro => "proc-macro".fmt(f),
1731 /// Commandline arguments passed to the compiler have to be incorporated with
1732 /// the dependency tracking system for incremental compilation. This module
1733 /// provides some utilities to make this more convenient.
1735 /// The values of all commandline arguments that are relevant for dependency
1736 /// tracking are hashed into a single value that determines whether the
1737 /// incremental compilation cache can be re-used or not. This hashing is done
1738 /// via the DepTrackingHash trait defined below, since the standard Hash
1739 /// implementation might not be suitable (e.g. arguments are stored in a Vec,
1740 /// the hash of which is order dependent, but we might not want the order of
1741 /// arguments to make a difference for the hash).
1743 /// However, since the value provided by Hash::hash often *is* suitable,
1744 /// especially for primitive types, there is the
1745 /// impl_dep_tracking_hash_via_hash!() macro that allows to simply reuse the
1746 /// Hash implementation for DepTrackingHash. It's important though that
1747 /// we have an opt-in scheme here, so one is hopefully forced to think about
1748 /// how the hash should be calculated when adding a new commandline argument.
1752 use session::search_paths::{PathKind, SearchPaths};
1753 use std::collections::BTreeMap;
1754 use std::hash::Hash;
1755 use std::path::PathBuf;
1756 use std::collections::hash_map::DefaultHasher;
1757 use super::{Passes, CrateType, OptLevel, DebugInfoLevel,
1758 OutputTypes, Externs, ErrorOutputType, Sanitizer};
1759 use syntax::feature_gate::UnstableFeatures;
1760 use rustc_back::PanicStrategy;
1762 pub trait DepTrackingHash {
1763 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType);
1766 macro_rules! impl_dep_tracking_hash_via_hash {
1768 impl DepTrackingHash for $t {
1769 fn hash(&self, hasher: &mut DefaultHasher, _: ErrorOutputType) {
1770 Hash::hash(self, hasher);
1776 macro_rules! impl_dep_tracking_hash_for_sortable_vec_of {
1778 impl DepTrackingHash for Vec<$t> {
1779 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1780 let mut elems: Vec<&$t> = self.iter().collect();
1782 Hash::hash(&elems.len(), hasher);
1783 for (index, elem) in elems.iter().enumerate() {
1784 Hash::hash(&index, hasher);
1785 DepTrackingHash::hash(*elem, hasher, error_format);
1792 impl_dep_tracking_hash_via_hash!(bool);
1793 impl_dep_tracking_hash_via_hash!(usize);
1794 impl_dep_tracking_hash_via_hash!(u64);
1795 impl_dep_tracking_hash_via_hash!(String);
1796 impl_dep_tracking_hash_via_hash!(lint::Level);
1797 impl_dep_tracking_hash_via_hash!(Option<bool>);
1798 impl_dep_tracking_hash_via_hash!(Option<usize>);
1799 impl_dep_tracking_hash_via_hash!(Option<String>);
1800 impl_dep_tracking_hash_via_hash!(Option<(String, u64)>);
1801 impl_dep_tracking_hash_via_hash!(Option<PanicStrategy>);
1802 impl_dep_tracking_hash_via_hash!(Option<lint::Level>);
1803 impl_dep_tracking_hash_via_hash!(Option<PathBuf>);
1804 impl_dep_tracking_hash_via_hash!(Option<cstore::NativeLibraryKind>);
1805 impl_dep_tracking_hash_via_hash!(CrateType);
1806 impl_dep_tracking_hash_via_hash!(PanicStrategy);
1807 impl_dep_tracking_hash_via_hash!(Passes);
1808 impl_dep_tracking_hash_via_hash!(OptLevel);
1809 impl_dep_tracking_hash_via_hash!(DebugInfoLevel);
1810 impl_dep_tracking_hash_via_hash!(UnstableFeatures);
1811 impl_dep_tracking_hash_via_hash!(Externs);
1812 impl_dep_tracking_hash_via_hash!(OutputTypes);
1813 impl_dep_tracking_hash_via_hash!(cstore::NativeLibraryKind);
1814 impl_dep_tracking_hash_via_hash!(Sanitizer);
1815 impl_dep_tracking_hash_via_hash!(Option<Sanitizer>);
1817 impl_dep_tracking_hash_for_sortable_vec_of!(String);
1818 impl_dep_tracking_hash_for_sortable_vec_of!(CrateType);
1819 impl_dep_tracking_hash_for_sortable_vec_of!((String, lint::Level));
1820 impl_dep_tracking_hash_for_sortable_vec_of!((String, Option<String>,
1821 Option<cstore::NativeLibraryKind>));
1822 impl_dep_tracking_hash_for_sortable_vec_of!((String, u64));
1823 impl DepTrackingHash for SearchPaths {
1824 fn hash(&self, hasher: &mut DefaultHasher, _: ErrorOutputType) {
1825 let mut elems: Vec<_> = self
1826 .iter(PathKind::All)
1829 Hash::hash(&elems, hasher);
1833 impl<T1, T2> DepTrackingHash for (T1, T2)
1834 where T1: DepTrackingHash,
1837 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1838 Hash::hash(&0, hasher);
1839 DepTrackingHash::hash(&self.0, hasher, error_format);
1840 Hash::hash(&1, hasher);
1841 DepTrackingHash::hash(&self.1, hasher, error_format);
1845 impl<T1, T2, T3> DepTrackingHash for (T1, T2, T3)
1846 where T1: DepTrackingHash,
1847 T2: DepTrackingHash,
1850 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1851 Hash::hash(&0, hasher);
1852 DepTrackingHash::hash(&self.0, hasher, error_format);
1853 Hash::hash(&1, hasher);
1854 DepTrackingHash::hash(&self.1, hasher, error_format);
1855 Hash::hash(&2, hasher);
1856 DepTrackingHash::hash(&self.2, hasher, error_format);
1860 // This is a stable hash because BTreeMap is a sorted container
1861 pub fn stable_hash(sub_hashes: BTreeMap<&'static str, &DepTrackingHash>,
1862 hasher: &mut DefaultHasher,
1863 error_format: ErrorOutputType) {
1864 for (key, sub_hash) in sub_hashes {
1865 // Using Hash::hash() instead of DepTrackingHash::hash() is fine for
1866 // the keys, as they are just plain strings
1867 Hash::hash(&key.len(), hasher);
1868 Hash::hash(key, hasher);
1869 sub_hash.hash(hasher, error_format);
1876 use dep_graph::DepGraph;
1878 use getopts::{getopts, OptGroup};
1880 use middle::cstore::{self, DummyCrateStore};
1881 use session::config::{build_configuration, build_session_options_and_crate_config};
1882 use session::build_session;
1883 use std::collections::{BTreeMap, BTreeSet};
1884 use std::iter::FromIterator;
1885 use std::path::PathBuf;
1887 use super::{OutputType, OutputTypes, Externs};
1888 use rustc_back::PanicStrategy;
1889 use syntax::symbol::Symbol;
1891 fn optgroups() -> Vec<OptGroup> {
1892 super::rustc_optgroups().into_iter()
1893 .map(|a| a.opt_group)
1897 fn mk_map<K: Ord, V>(entries: Vec<(K, V)>) -> BTreeMap<K, V> {
1898 BTreeMap::from_iter(entries.into_iter())
1901 fn mk_set<V: Ord>(entries: Vec<V>) -> BTreeSet<V> {
1902 BTreeSet::from_iter(entries.into_iter())
1905 // When the user supplies --test we should implicitly supply --cfg test
1907 fn test_switch_implies_cfg_test() {
1908 let dep_graph = DepGraph::new(false);
1910 &match getopts(&["--test".to_string()], &optgroups()) {
1912 Err(f) => panic!("test_switch_implies_cfg_test: {}", f)
1914 let registry = errors::registry::Registry::new(&[]);
1915 let (sessopts, cfg) = build_session_options_and_crate_config(matches);
1916 let sess = build_session(sessopts, &dep_graph, None, registry, Rc::new(DummyCrateStore));
1917 let cfg = build_configuration(&sess, cfg);
1918 assert!(cfg.contains(&(Symbol::intern("test"), None)));
1921 // When the user supplies --test and --cfg test, don't implicitly add
1922 // another --cfg test
1924 fn test_switch_implies_cfg_test_unless_cfg_test() {
1925 let dep_graph = DepGraph::new(false);
1927 &match getopts(&["--test".to_string(), "--cfg=test".to_string()],
1931 panic!("test_switch_implies_cfg_test_unless_cfg_test: {}", f)
1934 let registry = errors::registry::Registry::new(&[]);
1935 let (sessopts, cfg) = build_session_options_and_crate_config(matches);
1936 let sess = build_session(sessopts, &dep_graph, None, registry,
1937 Rc::new(DummyCrateStore));
1938 let cfg = build_configuration(&sess, cfg);
1939 let mut test_items = cfg.iter().filter(|&&(name, _)| name == "test");
1940 assert!(test_items.next().is_some());
1941 assert!(test_items.next().is_none());
1945 fn test_can_print_warnings() {
1946 let dep_graph = DepGraph::new(false);
1948 let matches = getopts(&[
1949 "-Awarnings".to_string()
1950 ], &optgroups()).unwrap();
1951 let registry = errors::registry::Registry::new(&[]);
1952 let (sessopts, _) = build_session_options_and_crate_config(&matches);
1953 let sess = build_session(sessopts, &dep_graph, None, registry,
1954 Rc::new(DummyCrateStore));
1955 assert!(!sess.diagnostic().can_emit_warnings);
1959 let matches = getopts(&[
1960 "-Awarnings".to_string(),
1961 "-Dwarnings".to_string()
1962 ], &optgroups()).unwrap();
1963 let registry = errors::registry::Registry::new(&[]);
1964 let (sessopts, _) = build_session_options_and_crate_config(&matches);
1965 let sess = build_session(sessopts, &dep_graph, None, registry,
1966 Rc::new(DummyCrateStore));
1967 assert!(sess.diagnostic().can_emit_warnings);
1971 let matches = getopts(&[
1972 "-Adead_code".to_string()
1973 ], &optgroups()).unwrap();
1974 let registry = errors::registry::Registry::new(&[]);
1975 let (sessopts, _) = build_session_options_and_crate_config(&matches);
1976 let sess = build_session(sessopts, &dep_graph, None, registry,
1977 Rc::new(DummyCrateStore));
1978 assert!(sess.diagnostic().can_emit_warnings);
1983 fn test_output_types_tracking_hash_different_paths() {
1984 let mut v1 = super::basic_options();
1985 let mut v2 = super::basic_options();
1986 let mut v3 = super::basic_options();
1988 v1.output_types = OutputTypes::new(&[(OutputType::Exe,
1989 Some(PathBuf::from("./some/thing")))]);
1990 v2.output_types = OutputTypes::new(&[(OutputType::Exe,
1991 Some(PathBuf::from("/some/thing")))]);
1992 v3.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
1994 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
1995 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
1996 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
1999 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2000 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2001 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2005 fn test_output_types_tracking_hash_different_construction_order() {
2006 let mut v1 = super::basic_options();
2007 let mut v2 = super::basic_options();
2009 v1.output_types = OutputTypes::new(&[
2010 (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
2011 (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
2014 v2.output_types = OutputTypes::new(&[
2015 (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
2016 (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
2019 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2022 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2026 fn test_externs_tracking_hash_different_values() {
2027 let mut v1 = super::basic_options();
2028 let mut v2 = super::basic_options();
2029 let mut v3 = super::basic_options();
2031 v1.externs = Externs::new(mk_map(vec![
2032 (String::from("a"), mk_set(vec![String::from("b"),
2033 String::from("c")])),
2034 (String::from("d"), mk_set(vec![String::from("e"),
2035 String::from("f")])),
2038 v2.externs = Externs::new(mk_map(vec![
2039 (String::from("a"), mk_set(vec![String::from("b"),
2040 String::from("c")])),
2041 (String::from("X"), mk_set(vec![String::from("e"),
2042 String::from("f")])),
2045 v3.externs = Externs::new(mk_map(vec![
2046 (String::from("a"), mk_set(vec![String::from("b"),
2047 String::from("c")])),
2048 (String::from("d"), mk_set(vec![String::from("X"),
2049 String::from("f")])),
2052 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2053 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2054 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
2057 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2058 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2059 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2063 fn test_externs_tracking_hash_different_construction_order() {
2064 let mut v1 = super::basic_options();
2065 let mut v2 = super::basic_options();
2066 let mut v3 = super::basic_options();
2068 v1.externs = Externs::new(mk_map(vec![
2069 (String::from("a"), mk_set(vec![String::from("b"),
2070 String::from("c")])),
2071 (String::from("d"), mk_set(vec![String::from("e"),
2072 String::from("f")])),
2075 v2.externs = Externs::new(mk_map(vec![
2076 (String::from("d"), mk_set(vec![String::from("e"),
2077 String::from("f")])),
2078 (String::from("a"), mk_set(vec![String::from("b"),
2079 String::from("c")])),
2082 v3.externs = Externs::new(mk_map(vec![
2083 (String::from("a"), mk_set(vec![String::from("b"),
2084 String::from("c")])),
2085 (String::from("d"), mk_set(vec![String::from("f"),
2086 String::from("e")])),
2089 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2090 assert_eq!(v1.dep_tracking_hash(), v3.dep_tracking_hash());
2091 assert_eq!(v2.dep_tracking_hash(), v3.dep_tracking_hash());
2094 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2095 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2096 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2100 fn test_lints_tracking_hash_different_values() {
2101 let mut v1 = super::basic_options();
2102 let mut v2 = super::basic_options();
2103 let mut v3 = super::basic_options();
2105 v1.lint_opts = vec![(String::from("a"), lint::Allow),
2106 (String::from("b"), lint::Warn),
2107 (String::from("c"), lint::Deny),
2108 (String::from("d"), lint::Forbid)];
2110 v2.lint_opts = vec![(String::from("a"), lint::Allow),
2111 (String::from("b"), lint::Warn),
2112 (String::from("X"), lint::Deny),
2113 (String::from("d"), lint::Forbid)];
2115 v3.lint_opts = vec![(String::from("a"), lint::Allow),
2116 (String::from("b"), lint::Warn),
2117 (String::from("c"), lint::Forbid),
2118 (String::from("d"), lint::Deny)];
2120 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2121 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2122 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
2125 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2126 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2127 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2131 fn test_lints_tracking_hash_different_construction_order() {
2132 let mut v1 = super::basic_options();
2133 let mut v2 = super::basic_options();
2135 v1.lint_opts = vec![(String::from("a"), lint::Allow),
2136 (String::from("b"), lint::Warn),
2137 (String::from("c"), lint::Deny),
2138 (String::from("d"), lint::Forbid)];
2140 v2.lint_opts = vec![(String::from("a"), lint::Allow),
2141 (String::from("c"), lint::Deny),
2142 (String::from("b"), lint::Warn),
2143 (String::from("d"), lint::Forbid)];
2145 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2148 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2149 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2153 fn test_search_paths_tracking_hash_different_values() {
2154 let mut v1 = super::basic_options();
2155 let mut v2 = super::basic_options();
2156 let mut v3 = super::basic_options();
2157 let mut v4 = super::basic_options();
2158 let mut v5 = super::basic_options();
2161 v1.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2162 v1.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2163 v1.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2164 v1.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2165 v1.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2168 v2.search_paths.add_path("native=XXX", super::ErrorOutputType::Json);
2169 v2.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2170 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2171 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2172 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2175 v2.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2176 v2.search_paths.add_path("crate=XXX", super::ErrorOutputType::Json);
2177 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2178 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2179 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2181 // Dependency changed
2182 v3.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2183 v3.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2184 v3.search_paths.add_path("dependency=XXX", super::ErrorOutputType::Json);
2185 v3.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2186 v3.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2188 // Framework changed
2189 v4.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2190 v4.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2191 v4.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2192 v4.search_paths.add_path("framework=XXX", super::ErrorOutputType::Json);
2193 v4.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2196 v5.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2197 v5.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2198 v5.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2199 v5.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2200 v5.search_paths.add_path("all=XXX", super::ErrorOutputType::Json);
2202 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2203 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2204 assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
2205 assert!(v1.dep_tracking_hash() != v5.dep_tracking_hash());
2208 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2209 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2210 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2211 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2212 assert_eq!(v5.dep_tracking_hash(), v5.clone().dep_tracking_hash());
2216 fn test_search_paths_tracking_hash_different_order() {
2217 let mut v1 = super::basic_options();
2218 let mut v2 = super::basic_options();
2219 let mut v3 = super::basic_options();
2220 let mut v4 = super::basic_options();
2223 v1.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2224 v1.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2225 v1.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2226 v1.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2227 v1.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2229 v2.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2230 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2231 v2.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2232 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2233 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2235 v3.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2236 v3.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2237 v3.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2238 v3.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2239 v3.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2241 v4.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2242 v4.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2243 v4.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2244 v4.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2245 v4.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2247 assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
2248 assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
2249 assert!(v1.dep_tracking_hash() == v4.dep_tracking_hash());
2252 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2253 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2254 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2255 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2259 fn test_native_libs_tracking_hash_different_values() {
2260 let mut v1 = super::basic_options();
2261 let mut v2 = super::basic_options();
2262 let mut v3 = super::basic_options();
2263 let mut v4 = super::basic_options();
2266 v1.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2267 (String::from("b"), None, Some(cstore::NativeFramework)),
2268 (String::from("c"), None, Some(cstore::NativeUnknown))];
2271 v2.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2272 (String::from("X"), None, Some(cstore::NativeFramework)),
2273 (String::from("c"), None, Some(cstore::NativeUnknown))];
2276 v3.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2277 (String::from("b"), None, Some(cstore::NativeStatic)),
2278 (String::from("c"), None, Some(cstore::NativeUnknown))];
2281 v4.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2282 (String::from("b"), Some(String::from("X")), Some(cstore::NativeFramework)),
2283 (String::from("c"), None, Some(cstore::NativeUnknown))];
2285 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2286 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2287 assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
2290 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2291 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2292 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2293 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2297 fn test_native_libs_tracking_hash_different_order() {
2298 let mut v1 = super::basic_options();
2299 let mut v2 = super::basic_options();
2300 let mut v3 = super::basic_options();
2303 v1.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2304 (String::from("b"), None, Some(cstore::NativeFramework)),
2305 (String::from("c"), None, Some(cstore::NativeUnknown))];
2307 v2.libs = vec![(String::from("b"), None, Some(cstore::NativeFramework)),
2308 (String::from("a"), None, Some(cstore::NativeStatic)),
2309 (String::from("c"), None, Some(cstore::NativeUnknown))];
2311 v3.libs = vec![(String::from("c"), None, Some(cstore::NativeUnknown)),
2312 (String::from("a"), None, Some(cstore::NativeStatic)),
2313 (String::from("b"), None, Some(cstore::NativeFramework))];
2315 assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
2316 assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
2317 assert!(v2.dep_tracking_hash() == v3.dep_tracking_hash());
2320 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2321 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2322 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2326 fn test_codegen_options_tracking_hash() {
2327 let reference = super::basic_options();
2328 let mut opts = super::basic_options();
2330 // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
2331 opts.cg.ar = Some(String::from("abc"));
2332 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2334 opts.cg.linker = Some(String::from("linker"));
2335 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2337 opts.cg.link_args = Some(vec![String::from("abc"), String::from("def")]);
2338 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2340 opts.cg.link_dead_code = true;
2341 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2343 opts.cg.rpath = true;
2344 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2346 opts.cg.extra_filename = String::from("extra-filename");
2347 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2349 opts.cg.codegen_units = 42;
2350 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2352 opts.cg.remark = super::SomePasses(vec![String::from("pass1"),
2353 String::from("pass2")]);
2354 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2356 opts.cg.save_temps = true;
2357 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2360 // Make sure changing a [TRACKED] option changes the hash
2361 opts = reference.clone();
2363 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2365 opts = reference.clone();
2366 opts.cg.target_cpu = Some(String::from("abc"));
2367 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2369 opts = reference.clone();
2370 opts.cg.target_feature = String::from("all the features, all of them");
2371 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2373 opts = reference.clone();
2374 opts.cg.passes = vec![String::from("1"), String::from("2")];
2375 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2377 opts = reference.clone();
2378 opts.cg.llvm_args = vec![String::from("1"), String::from("2")];
2379 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2381 opts = reference.clone();
2382 opts.cg.overflow_checks = Some(true);
2383 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2385 opts = reference.clone();
2386 opts.cg.no_prepopulate_passes = true;
2387 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2389 opts = reference.clone();
2390 opts.cg.no_vectorize_loops = true;
2391 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2393 opts = reference.clone();
2394 opts.cg.no_vectorize_slp = true;
2395 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2397 opts = reference.clone();
2398 opts.cg.soft_float = true;
2399 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2401 opts = reference.clone();
2402 opts.cg.prefer_dynamic = true;
2403 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2405 opts = reference.clone();
2406 opts.cg.no_integrated_as = true;
2407 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2409 opts = reference.clone();
2410 opts.cg.no_redzone = Some(true);
2411 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2413 opts = reference.clone();
2414 opts.cg.relocation_model = Some(String::from("relocation model"));
2415 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2417 opts = reference.clone();
2418 opts.cg.code_model = Some(String::from("code model"));
2419 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2421 opts = reference.clone();
2422 opts.cg.metadata = vec![String::from("A"), String::from("B")];
2423 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2425 opts = reference.clone();
2426 opts.cg.debuginfo = Some(0xdeadbeef);
2427 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2429 opts = reference.clone();
2430 opts.cg.debuginfo = Some(0xba5eba11);
2431 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2433 opts = reference.clone();
2434 opts.cg.debug_assertions = Some(true);
2435 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2437 opts = reference.clone();
2438 opts.cg.inline_threshold = Some(0xf007ba11);
2439 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2441 opts = reference.clone();
2442 opts.cg.panic = Some(PanicStrategy::Abort);
2443 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2447 fn test_debugging_options_tracking_hash() {
2448 let reference = super::basic_options();
2449 let mut opts = super::basic_options();
2451 // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
2452 opts.debugging_opts.verbose = true;
2453 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2454 opts.debugging_opts.time_passes = true;
2455 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2456 opts.debugging_opts.count_llvm_insns = true;
2457 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2458 opts.debugging_opts.time_llvm_passes = true;
2459 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2460 opts.debugging_opts.input_stats = true;
2461 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2462 opts.debugging_opts.trans_stats = true;
2463 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2464 opts.debugging_opts.borrowck_stats = true;
2465 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2466 opts.debugging_opts.debug_llvm = true;
2467 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2468 opts.debugging_opts.meta_stats = true;
2469 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2470 opts.debugging_opts.print_link_args = true;
2471 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2472 opts.debugging_opts.print_llvm_passes = true;
2473 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2474 opts.debugging_opts.ast_json = true;
2475 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2476 opts.debugging_opts.ast_json_noexpand = true;
2477 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2478 opts.debugging_opts.ls = true;
2479 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2480 opts.debugging_opts.save_analysis = true;
2481 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2482 opts.debugging_opts.save_analysis_csv = true;
2483 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2484 opts.debugging_opts.save_analysis_api = true;
2485 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2486 opts.debugging_opts.print_move_fragments = true;
2487 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2488 opts.debugging_opts.flowgraph_print_loans = true;
2489 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2490 opts.debugging_opts.flowgraph_print_moves = true;
2491 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2492 opts.debugging_opts.flowgraph_print_assigns = true;
2493 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2494 opts.debugging_opts.flowgraph_print_all = true;
2495 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2496 opts.debugging_opts.print_region_graph = true;
2497 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2498 opts.debugging_opts.parse_only = true;
2499 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2500 opts.debugging_opts.incremental = Some(String::from("abc"));
2501 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2502 opts.debugging_opts.dump_dep_graph = true;
2503 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2504 opts.debugging_opts.query_dep_graph = true;
2505 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2506 opts.debugging_opts.no_analysis = true;
2507 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2508 opts.debugging_opts.unstable_options = true;
2509 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2510 opts.debugging_opts.trace_macros = true;
2511 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2512 opts.debugging_opts.keep_hygiene_data = true;
2513 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2514 opts.debugging_opts.keep_ast = true;
2515 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2516 opts.debugging_opts.print_trans_items = Some(String::from("abc"));
2517 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2518 opts.debugging_opts.dump_mir = Some(String::from("abc"));
2519 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2520 opts.debugging_opts.dump_mir_dir = Some(String::from("abc"));
2521 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2523 // Make sure changing a [TRACKED] option changes the hash
2524 opts = reference.clone();
2525 opts.debugging_opts.asm_comments = true;
2526 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2528 opts = reference.clone();
2529 opts.debugging_opts.no_verify = true;
2530 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2532 opts = reference.clone();
2533 opts.debugging_opts.no_landing_pads = true;
2534 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2536 opts = reference.clone();
2537 opts.debugging_opts.no_trans = true;
2538 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2540 opts = reference.clone();
2541 opts.debugging_opts.treat_err_as_bug = true;
2542 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2544 opts = reference.clone();
2545 opts.debugging_opts.continue_parse_after_error = true;
2546 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2548 opts = reference.clone();
2549 opts.debugging_opts.extra_plugins = vec![String::from("plugin1"), String::from("plugin2")];
2550 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2552 opts = reference.clone();
2553 opts.debugging_opts.force_overflow_checks = Some(true);
2554 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2556 opts = reference.clone();
2557 opts.debugging_opts.enable_nonzeroing_move_hints = true;
2558 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2560 opts = reference.clone();
2561 opts.debugging_opts.show_span = Some(String::from("abc"));
2562 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2564 opts = reference.clone();
2565 opts.debugging_opts.mir_opt_level = 3;
2566 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());