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, RelroLevel};
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
493 pub fn enable_dep_node_debug_strs(&self) -> bool {
494 cfg!(debug_assertions) &&
495 (self.debugging_opts.query_dep_graph || self.debugging_opts.incremental_info)
498 pub fn single_codegen_unit(&self) -> bool {
499 self.incremental.is_none() ||
500 self.cg.codegen_units == 1
503 pub fn file_path_mapping(&self) -> FilePathMapping {
504 FilePathMapping::new(
505 self.debugging_opts.remap_path_prefix_from.iter().zip(
506 self.debugging_opts.remap_path_prefix_to.iter()
507 ).map(|(src, dst)| (src.clone(), dst.clone())).collect()
512 // The type of entry function, so
513 // users can have their own entry
514 // functions that don't start a
516 #[derive(Copy, Clone, PartialEq)]
517 pub enum EntryFnType {
523 #[derive(Copy, PartialEq, PartialOrd, Clone, Ord, Eq, Hash, Debug)]
533 #[derive(Clone, Hash)]
535 SomePasses(Vec<String>),
540 pub fn is_empty(&self) -> bool {
542 SomePasses(ref v) => v.is_empty(),
548 /// Declare a macro that will define all CodegenOptions/DebuggingOptions fields and parsers all
549 /// at once. The goal of this macro is to define an interface that can be
550 /// programmatically used by the option parser in order to initialize the struct
551 /// without hardcoding field names all over the place.
553 /// The goal is to invoke this macro once with the correct fields, and then this
554 /// macro generates all necessary code. The main gotcha of this macro is the
555 /// cgsetters module which is a bunch of generated code to parse an option into
556 /// its respective field in the struct. There are a few hand-written parsers for
557 /// parsing specific types of values in this module.
558 macro_rules! options {
559 ($struct_name:ident, $setter_name:ident, $defaultfn:ident,
560 $buildfn:ident, $prefix:expr, $outputname:expr,
561 $stat:ident, $mod_desc:ident, $mod_set:ident,
562 $($opt:ident : $t:ty = (
565 [$dep_tracking_marker:ident $(($dep_warn_val:expr, $dep_warn_text:expr))*],
570 pub struct $struct_name { $(pub $opt: $t),* }
572 pub fn $defaultfn() -> $struct_name {
573 $struct_name { $($opt: $init),* }
576 pub fn $buildfn(matches: &getopts::Matches, error_format: ErrorOutputType) -> $struct_name
578 let mut op = $defaultfn();
579 for option in matches.opt_strs($prefix) {
580 let mut iter = option.splitn(2, '=');
581 let key = iter.next().unwrap();
582 let value = iter.next();
583 let option_to_lookup = key.replace("-", "_");
584 let mut found = false;
585 for &(candidate, setter, opt_type_desc, _) in $stat {
586 if option_to_lookup != candidate { continue }
587 if !setter(&mut op, value) {
588 match (value, opt_type_desc) {
589 (Some(..), None) => {
590 early_error(error_format, &format!("{} option `{}` takes no \
591 value", $outputname, key))
593 (None, Some(type_desc)) => {
594 early_error(error_format, &format!("{0} option `{1}` requires \
595 {2} ({3} {1}=<value>)",
599 (Some(value), Some(type_desc)) => {
600 early_error(error_format, &format!("incorrect value `{}` for {} \
601 option `{}` - {} was expected",
605 (None, None) => bug!()
612 early_error(error_format, &format!("unknown {} option: `{}`",
619 impl<'a> dep_tracking::DepTrackingHash for $struct_name {
621 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
622 let mut sub_hashes = BTreeMap::new();
627 [$dep_tracking_marker $($dep_warn_val,
631 dep_tracking::stable_hash(sub_hashes, hasher, error_format);
635 pub type $setter_name = fn(&mut $struct_name, v: Option<&str>) -> bool;
636 pub const $stat: &'static [(&'static str, $setter_name,
637 Option<&'static str>, &'static str)] =
638 &[ $( (stringify!($opt), $mod_set::$opt, $mod_desc::$parse, $desc) ),* ];
640 #[allow(non_upper_case_globals, dead_code)]
642 pub const parse_bool: Option<&'static str> = None;
643 pub const parse_opt_bool: Option<&'static str> =
644 Some("one of: `y`, `yes`, `on`, `n`, `no`, or `off`");
645 pub const parse_string: Option<&'static str> = Some("a string");
646 pub const parse_string_push: Option<&'static str> = Some("a string");
647 pub const parse_opt_string: Option<&'static str> = Some("a string");
648 pub const parse_list: Option<&'static str> = Some("a space-separated list of strings");
649 pub const parse_opt_list: Option<&'static str> = Some("a space-separated list of strings");
650 pub const parse_uint: Option<&'static str> = Some("a number");
651 pub const parse_passes: Option<&'static str> =
652 Some("a space-separated list of passes, or `all`");
653 pub const parse_opt_uint: Option<&'static str> =
655 pub const parse_panic_strategy: Option<&'static str> =
656 Some("either `panic` or `abort`");
657 pub const parse_relro_level: Option<&'static str> =
658 Some("one of: `full`, `partial`, or `off`");
659 pub const parse_sanitizer: Option<&'static str> =
660 Some("one of: `address`, `leak`, `memory` or `thread`");
661 pub const parse_linker_flavor: Option<&'static str> =
662 Some(::rustc_back::LinkerFlavor::one_of());
663 pub const parse_optimization_fuel: Option<&'static str> =
664 Some("crate=integer");
669 use super::{$struct_name, Passes, SomePasses, AllPasses, Sanitizer};
670 use rustc_back::{LinkerFlavor, PanicStrategy, RelroLevel};
673 pub fn $opt(cg: &mut $struct_name, v: Option<&str>) -> bool {
674 $parse(&mut cg.$opt, v)
678 fn parse_bool(slot: &mut bool, v: Option<&str>) -> bool {
681 None => { *slot = true; true }
685 fn parse_opt_bool(slot: &mut Option<bool>, v: Option<&str>) -> bool {
689 "n" | "no" | "off" => {
692 "y" | "yes" | "on" => {
695 _ => { return false; }
700 None => { *slot = Some(true); true }
704 fn parse_opt_string(slot: &mut Option<String>, v: Option<&str>) -> bool {
706 Some(s) => { *slot = Some(s.to_string()); true },
711 fn parse_string(slot: &mut String, v: Option<&str>) -> bool {
713 Some(s) => { *slot = s.to_string(); true },
718 fn parse_string_push(slot: &mut Vec<String>, v: Option<&str>) -> bool {
720 Some(s) => { slot.push(s.to_string()); true },
725 fn parse_list(slot: &mut Vec<String>, v: Option<&str>)
729 for s in s.split_whitespace() {
730 slot.push(s.to_string());
738 fn parse_opt_list(slot: &mut Option<Vec<String>>, v: Option<&str>)
742 let v = s.split_whitespace().map(|s| s.to_string()).collect();
750 fn parse_uint(slot: &mut usize, v: Option<&str>) -> bool {
751 match v.and_then(|s| s.parse().ok()) {
752 Some(i) => { *slot = i; true },
757 fn parse_opt_uint(slot: &mut Option<usize>, v: Option<&str>) -> bool {
759 Some(s) => { *slot = s.parse().ok(); slot.is_some() }
760 None => { *slot = None; true }
764 fn parse_passes(slot: &mut Passes, v: Option<&str>) -> bool {
771 let mut passes = vec![];
772 if parse_list(&mut passes, v) {
773 *slot = SomePasses(passes);
782 fn parse_panic_strategy(slot: &mut Option<PanicStrategy>, v: Option<&str>) -> bool {
784 Some("unwind") => *slot = Some(PanicStrategy::Unwind),
785 Some("abort") => *slot = Some(PanicStrategy::Abort),
791 fn parse_relro_level(slot: &mut Option<RelroLevel>, v: Option<&str>) -> bool {
793 Some("full") => *slot = Some(RelroLevel::Full),
794 Some("partial") => *slot = Some(RelroLevel::Partial),
795 Some("off") => *slot = Some(RelroLevel::Off),
801 fn parse_sanitizer(slote: &mut Option<Sanitizer>, v: Option<&str>) -> bool {
803 Some("address") => *slote = Some(Sanitizer::Address),
804 Some("leak") => *slote = Some(Sanitizer::Leak),
805 Some("memory") => *slote = Some(Sanitizer::Memory),
806 Some("thread") => *slote = Some(Sanitizer::Thread),
812 fn parse_linker_flavor(slote: &mut Option<LinkerFlavor>, v: Option<&str>) -> bool {
813 match v.and_then(LinkerFlavor::from_str) {
814 Some(lf) => *slote = Some(lf),
820 fn parse_optimization_fuel(slot: &mut Option<(String, u64)>, v: Option<&str>) -> bool {
824 let parts = s.split('=').collect::<Vec<_>>();
825 if parts.len() != 2 { return false; }
826 let crate_name = parts[0].to_string();
827 let fuel = parts[1].parse::<u64>();
828 if fuel.is_err() { return false; }
829 *slot = Some((crate_name, fuel.unwrap()));
837 options! {CodegenOptions, CodegenSetter, basic_codegen_options,
838 build_codegen_options, "C", "codegen",
839 CG_OPTIONS, cg_type_desc, cgsetters,
840 ar: Option<String> = (None, parse_opt_string, [UNTRACKED],
841 "tool to assemble archives with"),
842 linker: Option<String> = (None, parse_opt_string, [UNTRACKED],
843 "system linker to link outputs with"),
844 link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
845 "a single extra argument to append to the linker invocation (can be used several times)"),
846 link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
847 "extra arguments to append to the linker invocation (space separated)"),
848 link_dead_code: bool = (false, parse_bool, [UNTRACKED],
849 "don't let linker strip dead code (turning it on can be used for code coverage)"),
850 lto: bool = (false, parse_bool, [TRACKED],
851 "perform LLVM link-time optimizations"),
852 target_cpu: Option<String> = (None, parse_opt_string, [TRACKED],
853 "select target processor (rustc --print target-cpus for details)"),
854 target_feature: String = ("".to_string(), parse_string, [TRACKED],
855 "target specific attributes (rustc --print target-features for details)"),
856 passes: Vec<String> = (Vec::new(), parse_list, [TRACKED],
857 "a list of extra LLVM passes to run (space separated)"),
858 llvm_args: Vec<String> = (Vec::new(), parse_list, [TRACKED],
859 "a list of arguments to pass to llvm (space separated)"),
860 save_temps: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
861 "`-C save-temps` might not produce all requested temporary products \
862 when incremental compilation is enabled.")],
863 "save all temporary output files during compilation"),
864 rpath: bool = (false, parse_bool, [UNTRACKED],
865 "set rpath values in libs/exes"),
866 overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
867 "use overflow checks for integer arithmetic"),
868 no_prepopulate_passes: bool = (false, parse_bool, [TRACKED],
869 "don't pre-populate the pass manager with a list of passes"),
870 no_vectorize_loops: bool = (false, parse_bool, [TRACKED],
871 "don't run the loop vectorization optimization passes"),
872 no_vectorize_slp: bool = (false, parse_bool, [TRACKED],
873 "don't run LLVM's SLP vectorization pass"),
874 soft_float: bool = (false, parse_bool, [TRACKED],
875 "use soft float ABI (*eabihf targets only)"),
876 prefer_dynamic: bool = (false, parse_bool, [TRACKED],
877 "prefer dynamic linking to static linking"),
878 no_integrated_as: bool = (false, parse_bool, [TRACKED],
879 "use an external assembler rather than LLVM's integrated one"),
880 no_redzone: Option<bool> = (None, parse_opt_bool, [TRACKED],
881 "disable the use of the redzone"),
882 relocation_model: Option<String> = (None, parse_opt_string, [TRACKED],
883 "choose the relocation model to use (rustc --print relocation-models for details)"),
884 code_model: Option<String> = (None, parse_opt_string, [TRACKED],
885 "choose the code model to use (rustc --print code-models for details)"),
886 metadata: Vec<String> = (Vec::new(), parse_list, [TRACKED],
887 "metadata to mangle symbol names with"),
888 extra_filename: String = ("".to_string(), parse_string, [UNTRACKED],
889 "extra data to put in each output filename"),
890 codegen_units: usize = (1, parse_uint, [UNTRACKED],
891 "divide crate into N units to optimize in parallel"),
892 remark: Passes = (SomePasses(Vec::new()), parse_passes, [UNTRACKED],
893 "print remarks for these optimization passes (space separated, or \"all\")"),
894 no_stack_check: bool = (false, parse_bool, [UNTRACKED],
895 "the --no-stack-check flag is deprecated and does nothing"),
896 debuginfo: Option<usize> = (None, parse_opt_uint, [TRACKED],
897 "debug info emission level, 0 = no debug info, 1 = line tables only, \
898 2 = full debug info with variable and type information"),
899 opt_level: Option<String> = (None, parse_opt_string, [TRACKED],
900 "optimize with possible levels 0-3, s, or z"),
901 debug_assertions: Option<bool> = (None, parse_opt_bool, [TRACKED],
902 "explicitly enable the cfg(debug_assertions) directive"),
903 inline_threshold: Option<usize> = (None, parse_opt_uint, [TRACKED],
904 "set the inlining threshold for"),
905 panic: Option<PanicStrategy> = (None, parse_panic_strategy,
906 [TRACKED], "panic strategy to compile crate with"),
909 options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
910 build_debugging_options, "Z", "debugging",
911 DB_OPTIONS, db_type_desc, dbsetters,
912 verbose: bool = (false, parse_bool, [UNTRACKED],
913 "in general, enable more debug printouts"),
914 span_free_formats: bool = (false, parse_bool, [UNTRACKED],
915 "when debug-printing compiler state, do not include spans"), // o/w tests have closure@path
916 identify_regions: bool = (false, parse_bool, [UNTRACKED],
917 "make unnamed regions display as '# (where # is some non-ident unique id)"),
918 time_passes: bool = (false, parse_bool, [UNTRACKED],
919 "measure time of each rustc pass"),
920 count_llvm_insns: bool = (false, parse_bool,
921 [UNTRACKED_WITH_WARNING(true,
922 "The output generated by `-Z count_llvm_insns` might not be reliable \
923 when used with incremental compilation")],
924 "count where LLVM instrs originate"),
925 time_llvm_passes: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
926 "The output of `-Z time-llvm-passes` will only reflect timings of \
927 re-translated modules when used with incremental compilation" )],
928 "measure time of each LLVM pass"),
929 input_stats: bool = (false, parse_bool, [UNTRACKED],
930 "gather statistics about the input"),
931 trans_stats: bool = (false, parse_bool, [UNTRACKED_WITH_WARNING(true,
932 "The output of `-Z trans-stats` might not be accurate when incremental \
933 compilation is enabled")],
934 "gather trans statistics"),
935 asm_comments: bool = (false, parse_bool, [TRACKED],
936 "generate comments into the assembly (may change behavior)"),
937 no_verify: bool = (false, parse_bool, [TRACKED],
938 "skip LLVM verification"),
939 borrowck_stats: bool = (false, parse_bool, [UNTRACKED],
940 "gather borrowck statistics"),
941 no_landing_pads: bool = (false, parse_bool, [TRACKED],
942 "omit landing pads for unwinding"),
943 debug_llvm: bool = (false, parse_bool, [UNTRACKED],
944 "enable debug output from LLVM"),
945 meta_stats: bool = (false, parse_bool, [UNTRACKED],
946 "gather metadata statistics"),
947 print_link_args: bool = (false, parse_bool, [UNTRACKED],
948 "print the arguments passed to the linker"),
949 print_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
950 "prints the llvm optimization passes being run"),
951 ast_json: bool = (false, parse_bool, [UNTRACKED],
952 "print the AST as JSON and halt"),
953 ast_json_noexpand: bool = (false, parse_bool, [UNTRACKED],
954 "print the pre-expansion AST as JSON and halt"),
955 ls: bool = (false, parse_bool, [UNTRACKED],
956 "list the symbols defined by a library crate"),
957 save_analysis: bool = (false, parse_bool, [UNTRACKED],
958 "write syntax and type analysis (in JSON format) information, in \
959 addition to normal output"),
960 save_analysis_api: bool = (false, parse_bool, [UNTRACKED],
961 "write syntax and type analysis information for opaque libraries (in JSON format), \
962 in addition to normal output"),
963 print_move_fragments: bool = (false, parse_bool, [UNTRACKED],
964 "print out move-fragment data for every fn"),
965 flowgraph_print_loans: bool = (false, parse_bool, [UNTRACKED],
966 "include loan analysis data in --unpretty flowgraph output"),
967 flowgraph_print_moves: bool = (false, parse_bool, [UNTRACKED],
968 "include move analysis data in --unpretty flowgraph output"),
969 flowgraph_print_assigns: bool = (false, parse_bool, [UNTRACKED],
970 "include assignment analysis data in --unpretty flowgraph output"),
971 flowgraph_print_all: bool = (false, parse_bool, [UNTRACKED],
972 "include all dataflow analysis data in --unpretty flowgraph output"),
973 print_region_graph: bool = (false, parse_bool, [UNTRACKED],
974 "prints region inference graph. \
975 Use with RUST_REGION_GRAPH=help for more info"),
976 parse_only: bool = (false, parse_bool, [UNTRACKED],
977 "parse only; do not compile, assemble, or link"),
978 no_trans: bool = (false, parse_bool, [TRACKED],
979 "run all passes except translation; no output"),
980 treat_err_as_bug: bool = (false, parse_bool, [TRACKED],
981 "treat all errors that occur as bugs"),
982 continue_parse_after_error: bool = (false, parse_bool, [TRACKED],
983 "attempt to recover from parse errors (experimental)"),
984 incremental: Option<String> = (None, parse_opt_string, [UNTRACKED],
985 "enable incremental compilation (experimental)"),
986 incremental_cc: bool = (true, parse_bool, [UNTRACKED],
987 "enable cross-crate incremental compilation (even more experimental)"),
988 incremental_info: bool = (false, parse_bool, [UNTRACKED],
989 "print high-level information about incremental reuse (or the lack thereof)"),
990 incremental_dump_hash: bool = (false, parse_bool, [UNTRACKED],
991 "dump hash information in textual format to stdout"),
992 dump_dep_graph: bool = (false, parse_bool, [UNTRACKED],
993 "dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv)"),
994 query_dep_graph: bool = (false, parse_bool, [UNTRACKED],
995 "enable queries of the dependency graph for regression testing"),
996 no_analysis: bool = (false, parse_bool, [UNTRACKED],
997 "parse and expand the source, but run no analysis"),
998 extra_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED],
999 "load extra plugins"),
1000 unstable_options: bool = (false, parse_bool, [UNTRACKED],
1001 "adds unstable command line options to rustc interface"),
1002 force_overflow_checks: Option<bool> = (None, parse_opt_bool, [TRACKED],
1003 "force overflow checks on or off"),
1004 trace_macros: bool = (false, parse_bool, [UNTRACKED],
1005 "for every macro invocation, print its name and arguments"),
1006 debug_macros: bool = (false, parse_bool, [TRACKED],
1007 "emit line numbers debug info inside macros"),
1008 enable_nonzeroing_move_hints: bool = (false, parse_bool, [TRACKED],
1009 "force nonzeroing move optimization on"),
1010 keep_hygiene_data: bool = (false, parse_bool, [UNTRACKED],
1011 "don't clear the hygiene data after analysis"),
1012 keep_ast: bool = (false, parse_bool, [UNTRACKED],
1013 "keep the AST after lowering it to HIR"),
1014 show_span: Option<String> = (None, parse_opt_string, [TRACKED],
1015 "show spans for compiler debugging (expr|pat|ty)"),
1016 print_type_sizes: bool = (false, parse_bool, [UNTRACKED],
1017 "print layout information for each type encountered"),
1018 print_trans_items: Option<String> = (None, parse_opt_string, [UNTRACKED],
1019 "print the result of the translation item collection pass"),
1020 mir_opt_level: usize = (1, parse_uint, [TRACKED],
1021 "set the MIR optimization level (0-3, default: 1)"),
1022 dump_mir: Option<String> = (None, parse_opt_string, [UNTRACKED],
1023 "dump MIR state at various points in translation"),
1024 dump_mir_dir: Option<String> = (None, parse_opt_string, [UNTRACKED],
1025 "the directory the MIR is dumped into"),
1026 dump_mir_exclude_pass_number: bool = (false, parse_bool, [UNTRACKED],
1027 "if set, exclude the pass number when dumping MIR (used in tests)"),
1028 perf_stats: bool = (false, parse_bool, [UNTRACKED],
1029 "print some performance-related statistics"),
1030 hir_stats: bool = (false, parse_bool, [UNTRACKED],
1031 "print some statistics about AST and HIR"),
1032 mir_stats: bool = (false, parse_bool, [UNTRACKED],
1033 "print some statistics about MIR"),
1034 always_encode_mir: bool = (false, parse_bool, [TRACKED],
1035 "encode MIR of all functions into the crate metadata"),
1036 osx_rpath_install_name: bool = (false, parse_bool, [TRACKED],
1037 "pass `-install_name @rpath/...` to the macOS linker"),
1038 sanitizer: Option<Sanitizer> = (None, parse_sanitizer, [TRACKED],
1040 linker_flavor: Option<LinkerFlavor> = (None, parse_linker_flavor, [UNTRACKED],
1042 fuel: Option<(String, u64)> = (None, parse_optimization_fuel, [TRACKED],
1043 "Set the optimization fuel quota for a crate."),
1044 print_fuel: Option<String> = (None, parse_opt_string, [TRACKED],
1045 "Make Rustc print the total optimization fuel used by a crate."),
1046 remap_path_prefix_from: Vec<String> = (vec![], parse_string_push, [TRACKED],
1047 "add a source pattern to the file path remapping config"),
1048 remap_path_prefix_to: Vec<String> = (vec![], parse_string_push, [TRACKED],
1049 "add a mapping target to the file path remapping config"),
1050 force_unstable_if_unmarked: bool = (false, parse_bool, [TRACKED],
1051 "force all crates to be `rustc_private` unstable"),
1052 pre_link_arg: Vec<String> = (vec![], parse_string_push, [UNTRACKED],
1053 "a single extra argument to prepend the linker invocation (can be used several times)"),
1054 pre_link_args: Option<Vec<String>> = (None, parse_opt_list, [UNTRACKED],
1055 "extra arguments to prepend to the linker invocation (space separated)"),
1056 profile: bool = (false, parse_bool, [TRACKED],
1057 "insert profiling code"),
1058 relro_level: Option<RelroLevel> = (None, parse_relro_level, [TRACKED],
1059 "choose which RELRO level to use"),
1062 pub fn default_lib_output() -> CrateType {
1066 pub fn default_configuration(sess: &Session) -> ast::CrateConfig {
1067 let end = &sess.target.target.target_endian;
1068 let arch = &sess.target.target.arch;
1069 let wordsz = &sess.target.target.target_pointer_width;
1070 let os = &sess.target.target.target_os;
1071 let env = &sess.target.target.target_env;
1072 let vendor = &sess.target.target.target_vendor;
1073 let min_atomic_width = sess.target.target.min_atomic_width();
1074 let max_atomic_width = sess.target.target.max_atomic_width();
1076 let mut ret = HashSet::new();
1078 ret.insert((Symbol::intern("target_os"), Some(Symbol::intern(os))));
1079 if let Some(ref fam) = sess.target.target.options.target_family {
1080 ret.insert((Symbol::intern("target_family"), Some(Symbol::intern(fam))));
1081 if fam == "windows" || fam == "unix" {
1082 ret.insert((Symbol::intern(fam), None));
1085 ret.insert((Symbol::intern("target_arch"), Some(Symbol::intern(arch))));
1086 ret.insert((Symbol::intern("target_endian"), Some(Symbol::intern(end))));
1087 ret.insert((Symbol::intern("target_pointer_width"), Some(Symbol::intern(wordsz))));
1088 ret.insert((Symbol::intern("target_env"), Some(Symbol::intern(env))));
1089 ret.insert((Symbol::intern("target_vendor"), Some(Symbol::intern(vendor))));
1090 if sess.target.target.options.has_elf_tls {
1091 ret.insert((Symbol::intern("target_thread_local"), None));
1093 for &i in &[8, 16, 32, 64, 128] {
1094 if i >= min_atomic_width && i <= max_atomic_width {
1095 let s = i.to_string();
1096 ret.insert((Symbol::intern("target_has_atomic"), Some(Symbol::intern(&s))));
1098 ret.insert((Symbol::intern("target_has_atomic"), Some(Symbol::intern("ptr"))));
1102 if sess.opts.debug_assertions {
1103 ret.insert((Symbol::intern("debug_assertions"), None));
1105 if sess.opts.crate_types.contains(&CrateTypeProcMacro) {
1106 ret.insert((Symbol::intern("proc_macro"), None));
1111 pub fn build_configuration(sess: &Session,
1112 mut user_cfg: ast::CrateConfig)
1113 -> ast::CrateConfig {
1114 // Combine the configuration requested by the session (command line) with
1115 // some default and generated configuration items
1116 let default_cfg = default_configuration(sess);
1117 // If the user wants a test runner, then add the test cfg
1119 user_cfg.insert((Symbol::intern("test"), None));
1121 user_cfg.extend(default_cfg.iter().cloned());
1125 pub fn build_target_config(opts: &Options, sp: &Handler) -> Config {
1126 let target = match Target::search(&opts.target_triple) {
1129 sp.struct_fatal(&format!("Error loading target specification: {}", e))
1130 .help("Use `--print target-list` for a list of built-in targets")
1136 let (int_type, uint_type) = match &target.target_pointer_width[..] {
1137 "16" => (ast::IntTy::I16, ast::UintTy::U16),
1138 "32" => (ast::IntTy::I32, ast::UintTy::U32),
1139 "64" => (ast::IntTy::I64, ast::UintTy::U64),
1140 w => panic!(sp.fatal(&format!("target specification was invalid: \
1141 unrecognized target-pointer-width {}", w))),
1151 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
1152 pub enum OptionStability {
1158 pub struct RustcOptGroup {
1159 pub apply: Box<Fn(&mut getopts::Options) -> &mut getopts::Options>,
1160 pub name: &'static str,
1161 pub stability: OptionStability,
1164 impl RustcOptGroup {
1165 pub fn is_stable(&self) -> bool {
1166 self.stability == OptionStability::Stable
1169 pub fn stable<F>(name: &'static str, f: F) -> RustcOptGroup
1170 where F: Fn(&mut getopts::Options) -> &mut getopts::Options + 'static,
1175 stability: OptionStability::Stable,
1179 pub fn unstable<F>(name: &'static str, f: F) -> RustcOptGroup
1180 where F: Fn(&mut getopts::Options) -> &mut getopts::Options + 'static,
1185 stability: OptionStability::Unstable,
1190 // The `opt` local module holds wrappers around the `getopts` API that
1191 // adds extra rustc-specific metadata to each option; such metadata
1192 // is exposed by . The public
1193 // functions below ending with `_u` are the functions that return
1194 // *unstable* options, i.e. options that are only enabled when the
1195 // user also passes the `-Z unstable-options` debugging flag.
1197 // The `fn opt_u` etc below are written so that we can use them
1198 // in the future; do not warn about them not being used right now.
1199 #![allow(dead_code)]
1202 use super::RustcOptGroup;
1204 pub type R = RustcOptGroup;
1205 pub type S = &'static str;
1207 fn stable<F>(name: S, f: F) -> R
1208 where F: Fn(&mut getopts::Options) -> &mut getopts::Options + 'static
1210 RustcOptGroup::stable(name, f)
1213 fn unstable<F>(name: S, f: F) -> R
1214 where F: Fn(&mut getopts::Options) -> &mut getopts::Options + 'static
1216 RustcOptGroup::unstable(name, f)
1219 fn longer(a: S, b: S) -> S {
1220 if a.len() > b.len() {
1227 pub fn opt_s(a: S, b: S, c: S, d: S) -> R {
1228 stable(longer(a, b), move |opts| opts.optopt(a, b, c, d))
1230 pub fn multi_s(a: S, b: S, c: S, d: S) -> R {
1231 stable(longer(a, b), move |opts| opts.optmulti(a, b, c, d))
1233 pub fn flag_s(a: S, b: S, c: S) -> R {
1234 stable(longer(a, b), move |opts| opts.optflag(a, b, c))
1236 pub fn flagopt_s(a: S, b: S, c: S, d: S) -> R {
1237 stable(longer(a, b), move |opts| opts.optflagopt(a, b, c, d))
1239 pub fn flagmulti_s(a: S, b: S, c: S) -> R {
1240 stable(longer(a, b), move |opts| opts.optflagmulti(a, b, c))
1243 pub fn opt(a: S, b: S, c: S, d: S) -> R {
1244 unstable(longer(a, b), move |opts| opts.optopt(a, b, c, d))
1246 pub fn multi(a: S, b: S, c: S, d: S) -> R {
1247 unstable(longer(a, b), move |opts| opts.optmulti(a, b, c, d))
1249 pub fn flag(a: S, b: S, c: S) -> R {
1250 unstable(longer(a, b), move |opts| opts.optflag(a, b, c))
1252 pub fn flagopt(a: S, b: S, c: S, d: S) -> R {
1253 unstable(longer(a, b), move |opts| opts.optflagopt(a, b, c, d))
1255 pub fn flagmulti(a: S, b: S, c: S) -> R {
1256 unstable(longer(a, b), move |opts| opts.optflagmulti(a, b, c))
1260 /// Returns the "short" subset of the rustc command line options,
1261 /// including metadata for each option, such as whether the option is
1262 /// part of the stable long-term interface for rustc.
1263 pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
1265 opt::flag_s("h", "help", "Display this message"),
1266 opt::multi_s("", "cfg", "Configure the compilation environment", "SPEC"),
1267 opt::multi_s("L", "", "Add a directory to the library search path. The
1268 optional KIND can be one of dependency, crate, native,
1269 framework or all (the default).", "[KIND=]PATH"),
1270 opt::multi_s("l", "", "Link the generated crate(s) to the specified native
1271 library NAME. The optional KIND can be one of
1272 static, dylib, or framework. If omitted, dylib is
1273 assumed.", "[KIND=]NAME"),
1274 opt::multi_s("", "crate-type", "Comma separated list of types of crates
1275 for the compiler to emit",
1276 "[bin|lib|rlib|dylib|cdylib|staticlib|proc-macro]"),
1277 opt::opt_s("", "crate-name", "Specify the name of the crate being built",
1279 opt::multi_s("", "emit", "Comma separated list of types of output for \
1280 the compiler to emit",
1281 "[asm|llvm-bc|llvm-ir|obj|metadata|link|dep-info|mir]"),
1282 opt::multi_s("", "print", "Comma separated list of compiler information to \
1284 "[crate-name|file-names|sysroot|cfg|target-list|\
1285 target-cpus|target-features|relocation-models|\
1286 code-models|target-spec-json]"),
1287 opt::flagmulti_s("g", "", "Equivalent to -C debuginfo=2"),
1288 opt::flagmulti_s("O", "", "Equivalent to -C opt-level=2"),
1289 opt::opt_s("o", "", "Write output to <filename>", "FILENAME"),
1290 opt::opt_s("", "out-dir", "Write output to compiler-chosen filename \
1292 opt::opt_s("", "explain", "Provide a detailed explanation of an error \
1294 opt::flag_s("", "test", "Build a test harness"),
1295 opt::opt_s("", "target", "Target triple for which the code is compiled", "TARGET"),
1296 opt::multi_s("W", "warn", "Set lint warnings", "OPT"),
1297 opt::multi_s("A", "allow", "Set lint allowed", "OPT"),
1298 opt::multi_s("D", "deny", "Set lint denied", "OPT"),
1299 opt::multi_s("F", "forbid", "Set lint forbidden", "OPT"),
1300 opt::multi_s("", "cap-lints", "Set the most restrictive lint level. \
1301 More restrictive lints are capped at this \
1303 opt::multi_s("C", "codegen", "Set a codegen option", "OPT[=VALUE]"),
1304 opt::flag_s("V", "version", "Print version info and exit"),
1305 opt::flag_s("v", "verbose", "Use verbose output"),
1309 /// Returns all rustc command line options, including metadata for
1310 /// each option, such as whether the option is part of the stable
1311 /// long-term interface for rustc.
1312 pub fn rustc_optgroups() -> Vec<RustcOptGroup> {
1313 let mut opts = rustc_short_optgroups();
1315 opt::multi_s("", "extern", "Specify where an external rust library is located",
1317 opt::opt_s("", "sysroot", "Override the system root", "PATH"),
1318 opt::multi("Z", "", "Set internal debugging options", "FLAG"),
1319 opt::opt_s("", "error-format",
1320 "How errors and other messages are produced",
1322 opt::opt_s("", "color", "Configure coloring of output:
1323 auto = colorize, if output goes to a tty (default);
1324 always = always colorize output;
1325 never = never colorize output", "auto|always|never"),
1327 opt::flagopt("", "pretty",
1328 "Pretty-print the input instead of compiling;
1329 valid types are: `normal` (un-annotated source),
1330 `expanded` (crates expanded), or
1331 `expanded,identified` (fully parenthesized, AST nodes with IDs).",
1333 opt::flagopt("", "unpretty",
1334 "Present the input source, unstable (and less-pretty) variants;
1335 valid types are any of the types for `--pretty`, as well as:
1336 `flowgraph=<nodeid>` (graphviz formatted flowgraph for node),
1337 `everybody_loops` (all function bodies replaced with `loop {}`),
1338 `hir` (the HIR), `hir,identified`, or
1339 `hir,typed` (HIR with types for each node).",
1345 // Convert strings provided as --cfg [cfgspec] into a crate_cfg
1346 pub fn parse_cfgspecs(cfgspecs: Vec<String> ) -> ast::CrateConfig {
1347 cfgspecs.into_iter().map(|s| {
1348 let sess = parse::ParseSess::new(FilePathMapping::empty());
1350 parse::new_parser_from_source_str(&sess, "cfgspec".to_string(), s.to_string());
1352 let meta_item = panictry!(parser.parse_meta_item());
1354 if parser.token != token::Eof {
1355 early_error(ErrorOutputType::default(), &format!("invalid --cfg argument: {}", s))
1356 } else if meta_item.is_meta_item_list() {
1358 format!("invalid predicate in --cfg command line argument: `{}`", meta_item.name());
1359 early_error(ErrorOutputType::default(), &msg)
1362 (meta_item.name(), meta_item.value_str())
1363 }).collect::<ast::CrateConfig>()
1366 pub fn build_session_options_and_crate_config(matches: &getopts::Matches)
1367 -> (Options, ast::CrateConfig) {
1368 let color = match matches.opt_str("color").as_ref().map(|s| &s[..]) {
1369 Some("auto") => ColorConfig::Auto,
1370 Some("always") => ColorConfig::Always,
1371 Some("never") => ColorConfig::Never,
1373 None => ColorConfig::Auto,
1376 early_error(ErrorOutputType::default(), &format!("argument for --color must be auto, \
1377 always or never (instead was `{}`)",
1382 // We need the opts_present check because the driver will send us Matches
1383 // with only stable options if no unstable options are used. Since error-format
1384 // is unstable, it will not be present. We have to use opts_present not
1385 // opt_present because the latter will panic.
1386 let error_format = if matches.opts_present(&["error-format".to_owned()]) {
1387 match matches.opt_str("error-format").as_ref().map(|s| &s[..]) {
1388 Some("human") => ErrorOutputType::HumanReadable(color),
1389 Some("json") => ErrorOutputType::Json,
1391 None => ErrorOutputType::HumanReadable(color),
1394 early_error(ErrorOutputType::HumanReadable(color),
1395 &format!("argument for --error-format must be human or json (instead \
1401 ErrorOutputType::HumanReadable(color)
1404 let unparsed_crate_types = matches.opt_strs("crate-type");
1405 let crate_types = parse_crate_types_from_list(unparsed_crate_types)
1406 .unwrap_or_else(|e| early_error(error_format, &e[..]));
1408 let mut lint_opts = vec![];
1409 let mut describe_lints = false;
1411 for &level in &[lint::Allow, lint::Warn, lint::Deny, lint::Forbid] {
1412 for lint_name in matches.opt_strs(level.as_str()) {
1413 if lint_name == "help" {
1414 describe_lints = true;
1416 lint_opts.push((lint_name.replace("-", "_"), level));
1421 let lint_cap = matches.opt_str("cap-lints").map(|cap| {
1422 lint::Level::from_str(&cap).unwrap_or_else(|| {
1423 early_error(error_format, &format!("unknown lint level: `{}`", cap))
1427 let debugging_opts = build_debugging_options(matches, error_format);
1429 let mut output_types = BTreeMap::new();
1430 if !debugging_opts.parse_only {
1431 for list in matches.opt_strs("emit") {
1432 for output_type in list.split(',') {
1433 let mut parts = output_type.splitn(2, '=');
1434 let output_type = match parts.next().unwrap() {
1435 "asm" => OutputType::Assembly,
1436 "llvm-ir" => OutputType::LlvmAssembly,
1437 "mir" => OutputType::Mir,
1438 "llvm-bc" => OutputType::Bitcode,
1439 "obj" => OutputType::Object,
1440 "metadata" => OutputType::Metadata,
1441 "link" => OutputType::Exe,
1442 "dep-info" => OutputType::DepInfo,
1444 early_error(error_format, &format!("unknown emission type: `{}`",
1448 let path = parts.next().map(PathBuf::from);
1449 output_types.insert(output_type, path);
1453 if output_types.is_empty() {
1454 output_types.insert(OutputType::Exe, None);
1457 let remap_path_prefix_sources = debugging_opts.remap_path_prefix_from.len();
1458 let remap_path_prefix_targets = debugging_opts.remap_path_prefix_from.len();
1460 if remap_path_prefix_targets < remap_path_prefix_sources {
1461 for source in &debugging_opts.remap_path_prefix_from[remap_path_prefix_targets..] {
1462 early_error(error_format,
1463 &format!("option `-Zremap-path-prefix-from='{}'` does not have \
1464 a corresponding `-Zremap-path-prefix-to`", source))
1466 } else if remap_path_prefix_targets > remap_path_prefix_sources {
1467 for target in &debugging_opts.remap_path_prefix_to[remap_path_prefix_sources..] {
1468 early_error(error_format,
1469 &format!("option `-Zremap-path-prefix-to='{}'` does not have \
1470 a corresponding `-Zremap-path-prefix-from`", target))
1474 let mut cg = build_codegen_options(matches, error_format);
1476 // Issue #30063: if user requests llvm-related output to one
1477 // particular path, disable codegen-units.
1478 if matches.opt_present("o") && cg.codegen_units != 1 {
1479 let incompatible: Vec<_> = output_types.iter()
1480 .map(|ot_path| ot_path.0)
1482 !ot.is_compatible_with_codegen_units_and_single_output_file()
1484 if !incompatible.is_empty() {
1485 for ot in &incompatible {
1486 early_warn(error_format, &format!("--emit={} with -o incompatible with \
1487 -C codegen-units=N for N > 1",
1490 early_warn(error_format, "resetting to default -C codegen-units=1");
1491 cg.codegen_units = 1;
1495 if cg.codegen_units < 1 {
1496 early_error(error_format, "Value for codegen units must be a positive nonzero integer");
1499 let mut prints = Vec::<PrintRequest>::new();
1500 if cg.target_cpu.as_ref().map_or(false, |s| s == "help") {
1501 prints.push(PrintRequest::TargetCPUs);
1502 cg.target_cpu = None;
1504 if cg.target_feature == "help" {
1505 prints.push(PrintRequest::TargetFeatures);
1506 cg.target_feature = "".to_string();
1508 if cg.relocation_model.as_ref().map_or(false, |s| s == "help") {
1509 prints.push(PrintRequest::RelocationModels);
1510 cg.relocation_model = None;
1512 if cg.code_model.as_ref().map_or(false, |s| s == "help") {
1513 prints.push(PrintRequest::CodeModels);
1514 cg.code_model = None;
1519 let sysroot_opt = matches.opt_str("sysroot").map(|m| PathBuf::from(&m));
1520 let target = matches.opt_str("target").unwrap_or(
1521 host_triple().to_string());
1523 if matches.opt_present("O") {
1524 if cg.opt_level.is_some() {
1525 early_error(error_format, "-O and -C opt-level both provided");
1529 match (cg.opt_level.as_ref().map(String::as_ref),
1530 nightly_options::is_nightly_build()) {
1531 (None, _) => OptLevel::No,
1532 (Some("0"), _) => OptLevel::No,
1533 (Some("1"), _) => OptLevel::Less,
1534 (Some("2"), _) => OptLevel::Default,
1535 (Some("3"), _) => OptLevel::Aggressive,
1536 (Some("s"), true) => OptLevel::Size,
1537 (Some("z"), true) => OptLevel::SizeMin,
1538 (Some("s"), false) | (Some("z"), false) => {
1539 early_error(error_format, &format!("the optimizations s or z are only \
1540 accepted on the nightly compiler"));
1543 early_error(error_format, &format!("optimization level needs to be \
1544 between 0-3 (instead was `{}`)",
1550 let debug_assertions = cg.debug_assertions.unwrap_or(opt_level == OptLevel::No);
1551 let debuginfo = if matches.opt_present("g") {
1552 if cg.debuginfo.is_some() {
1553 early_error(error_format, "-g and -C debuginfo both provided");
1557 match cg.debuginfo {
1558 None | Some(0) => NoDebugInfo,
1559 Some(1) => LimitedDebugInfo,
1560 Some(2) => FullDebugInfo,
1562 early_error(error_format, &format!("debug info level needs to be between \
1563 0-2 (instead was `{}`)",
1569 let mut search_paths = SearchPaths::new();
1570 for s in &matches.opt_strs("L") {
1571 search_paths.add_path(&s[..], error_format);
1574 let libs = matches.opt_strs("l").into_iter().map(|s| {
1575 // Parse string of the form "[KIND=]lib[:new_name]",
1576 // where KIND is one of "dylib", "framework", "static".
1577 let mut parts = s.splitn(2, '=');
1578 let kind = parts.next().unwrap();
1579 let (name, kind) = match (parts.next(), kind) {
1580 (None, name) => (name, None),
1581 (Some(name), "dylib") => (name, Some(cstore::NativeUnknown)),
1582 (Some(name), "framework") => (name, Some(cstore::NativeFramework)),
1583 (Some(name), "static") => (name, Some(cstore::NativeStatic)),
1584 (Some(name), "static-nobundle") => (name, Some(cstore::NativeStaticNobundle)),
1586 early_error(error_format, &format!("unknown library kind `{}`, expected \
1587 one of dylib, framework, or static",
1591 if kind == Some(cstore::NativeStaticNobundle) && !nightly_options::is_nightly_build() {
1592 early_error(error_format, &format!("the library kind 'static-nobundle' is only \
1593 accepted on the nightly compiler"));
1595 let mut name_parts = name.splitn(2, ':');
1596 let name = name_parts.next().unwrap();
1597 let new_name = name_parts.next();
1598 (name.to_string(), new_name.map(|n| n.to_string()), kind)
1601 let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
1602 let test = matches.opt_present("test");
1604 prints.extend(matches.opt_strs("print").into_iter().map(|s| {
1606 "crate-name" => PrintRequest::CrateName,
1607 "file-names" => PrintRequest::FileNames,
1608 "sysroot" => PrintRequest::Sysroot,
1609 "cfg" => PrintRequest::Cfg,
1610 "target-list" => PrintRequest::TargetList,
1611 "target-cpus" => PrintRequest::TargetCPUs,
1612 "target-features" => PrintRequest::TargetFeatures,
1613 "relocation-models" => PrintRequest::RelocationModels,
1614 "code-models" => PrintRequest::CodeModels,
1615 "target-spec-json" if nightly_options::is_unstable_enabled(matches)
1616 => PrintRequest::TargetSpec,
1618 early_error(error_format, &format!("unknown print request `{}`", req))
1623 if !cg.remark.is_empty() && debuginfo == NoDebugInfo {
1624 early_warn(error_format, "-C remark will not show source locations without \
1628 let mut externs = BTreeMap::new();
1629 for arg in &matches.opt_strs("extern") {
1630 let mut parts = arg.splitn(2, '=');
1631 let name = match parts.next() {
1633 None => early_error(error_format, "--extern value must not be empty"),
1635 let location = match parts.next() {
1637 None => early_error(error_format, "--extern value must be of the format `foo=bar`"),
1640 externs.entry(name.to_string())
1641 .or_insert_with(BTreeSet::new)
1642 .insert(location.to_string());
1645 let crate_name = matches.opt_str("crate-name");
1647 let incremental = debugging_opts.incremental.as_ref().map(|m| PathBuf::from(m));
1651 optimize: opt_level,
1656 output_types: OutputTypes(output_types),
1658 maybe_sysroot: sysroot_opt,
1659 target_triple: target,
1666 externs: Externs(externs),
1670 unstable_features: UnstableFeatures::from_environment(),
1672 actually_rustdoc: false,
1677 pub fn parse_crate_types_from_list(list_list: Vec<String>)
1678 -> Result<Vec<CrateType>, String> {
1679 let mut crate_types: Vec<CrateType> = Vec::new();
1680 for unparsed_crate_type in &list_list {
1681 for part in unparsed_crate_type.split(',') {
1682 let new_part = match part {
1683 "lib" => default_lib_output(),
1684 "rlib" => CrateTypeRlib,
1685 "staticlib" => CrateTypeStaticlib,
1686 "dylib" => CrateTypeDylib,
1687 "cdylib" => CrateTypeCdylib,
1688 "bin" => CrateTypeExecutable,
1689 "proc-macro" => CrateTypeProcMacro,
1691 return Err(format!("unknown crate type: `{}`",
1695 if !crate_types.contains(&new_part) {
1696 crate_types.push(new_part)
1704 pub mod nightly_options {
1706 use syntax::feature_gate::UnstableFeatures;
1707 use super::{ErrorOutputType, OptionStability, RustcOptGroup};
1708 use session::early_error;
1710 pub fn is_unstable_enabled(matches: &getopts::Matches) -> bool {
1711 is_nightly_build() && matches.opt_strs("Z").iter().any(|x| *x == "unstable-options")
1714 pub fn is_nightly_build() -> bool {
1715 UnstableFeatures::from_environment().is_nightly_build()
1718 pub fn check_nightly_options(matches: &getopts::Matches, flags: &[RustcOptGroup]) {
1719 let has_z_unstable_option = matches.opt_strs("Z").iter().any(|x| *x == "unstable-options");
1720 let really_allows_unstable_options = UnstableFeatures::from_environment()
1721 .is_nightly_build();
1723 for opt in flags.iter() {
1724 if opt.stability == OptionStability::Stable {
1727 if !matches.opt_present(opt.name) {
1730 if opt.name != "Z" && !has_z_unstable_option {
1731 early_error(ErrorOutputType::default(),
1732 &format!("the `-Z unstable-options` flag must also be passed to enable \
1736 if really_allows_unstable_options {
1739 match opt.stability {
1740 OptionStability::Unstable => {
1741 let msg = format!("the option `{}` is only accepted on the \
1742 nightly compiler", opt.name);
1743 early_error(ErrorOutputType::default(), &msg);
1745 OptionStability::Stable => {}
1751 impl fmt::Display for CrateType {
1752 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
1754 CrateTypeExecutable => "bin".fmt(f),
1755 CrateTypeDylib => "dylib".fmt(f),
1756 CrateTypeRlib => "rlib".fmt(f),
1757 CrateTypeStaticlib => "staticlib".fmt(f),
1758 CrateTypeCdylib => "cdylib".fmt(f),
1759 CrateTypeProcMacro => "proc-macro".fmt(f),
1764 /// Commandline arguments passed to the compiler have to be incorporated with
1765 /// the dependency tracking system for incremental compilation. This module
1766 /// provides some utilities to make this more convenient.
1768 /// The values of all commandline arguments that are relevant for dependency
1769 /// tracking are hashed into a single value that determines whether the
1770 /// incremental compilation cache can be re-used or not. This hashing is done
1771 /// via the DepTrackingHash trait defined below, since the standard Hash
1772 /// implementation might not be suitable (e.g. arguments are stored in a Vec,
1773 /// the hash of which is order dependent, but we might not want the order of
1774 /// arguments to make a difference for the hash).
1776 /// However, since the value provided by Hash::hash often *is* suitable,
1777 /// especially for primitive types, there is the
1778 /// impl_dep_tracking_hash_via_hash!() macro that allows to simply reuse the
1779 /// Hash implementation for DepTrackingHash. It's important though that
1780 /// we have an opt-in scheme here, so one is hopefully forced to think about
1781 /// how the hash should be calculated when adding a new commandline argument.
1785 use session::search_paths::{PathKind, SearchPaths};
1786 use std::collections::BTreeMap;
1787 use std::hash::Hash;
1788 use std::path::PathBuf;
1789 use std::collections::hash_map::DefaultHasher;
1790 use super::{Passes, CrateType, OptLevel, DebugInfoLevel,
1791 OutputTypes, Externs, ErrorOutputType, Sanitizer};
1792 use syntax::feature_gate::UnstableFeatures;
1793 use rustc_back::{PanicStrategy, RelroLevel};
1795 pub trait DepTrackingHash {
1796 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType);
1799 macro_rules! impl_dep_tracking_hash_via_hash {
1801 impl DepTrackingHash for $t {
1802 fn hash(&self, hasher: &mut DefaultHasher, _: ErrorOutputType) {
1803 Hash::hash(self, hasher);
1809 macro_rules! impl_dep_tracking_hash_for_sortable_vec_of {
1811 impl DepTrackingHash for Vec<$t> {
1812 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1813 let mut elems: Vec<&$t> = self.iter().collect();
1815 Hash::hash(&elems.len(), hasher);
1816 for (index, elem) in elems.iter().enumerate() {
1817 Hash::hash(&index, hasher);
1818 DepTrackingHash::hash(*elem, hasher, error_format);
1825 impl_dep_tracking_hash_via_hash!(bool);
1826 impl_dep_tracking_hash_via_hash!(usize);
1827 impl_dep_tracking_hash_via_hash!(u64);
1828 impl_dep_tracking_hash_via_hash!(String);
1829 impl_dep_tracking_hash_via_hash!(lint::Level);
1830 impl_dep_tracking_hash_via_hash!(Option<bool>);
1831 impl_dep_tracking_hash_via_hash!(Option<usize>);
1832 impl_dep_tracking_hash_via_hash!(Option<String>);
1833 impl_dep_tracking_hash_via_hash!(Option<(String, u64)>);
1834 impl_dep_tracking_hash_via_hash!(Option<PanicStrategy>);
1835 impl_dep_tracking_hash_via_hash!(Option<RelroLevel>);
1836 impl_dep_tracking_hash_via_hash!(Option<lint::Level>);
1837 impl_dep_tracking_hash_via_hash!(Option<PathBuf>);
1838 impl_dep_tracking_hash_via_hash!(Option<cstore::NativeLibraryKind>);
1839 impl_dep_tracking_hash_via_hash!(CrateType);
1840 impl_dep_tracking_hash_via_hash!(PanicStrategy);
1841 impl_dep_tracking_hash_via_hash!(RelroLevel);
1842 impl_dep_tracking_hash_via_hash!(Passes);
1843 impl_dep_tracking_hash_via_hash!(OptLevel);
1844 impl_dep_tracking_hash_via_hash!(DebugInfoLevel);
1845 impl_dep_tracking_hash_via_hash!(UnstableFeatures);
1846 impl_dep_tracking_hash_via_hash!(Externs);
1847 impl_dep_tracking_hash_via_hash!(OutputTypes);
1848 impl_dep_tracking_hash_via_hash!(cstore::NativeLibraryKind);
1849 impl_dep_tracking_hash_via_hash!(Sanitizer);
1850 impl_dep_tracking_hash_via_hash!(Option<Sanitizer>);
1852 impl_dep_tracking_hash_for_sortable_vec_of!(String);
1853 impl_dep_tracking_hash_for_sortable_vec_of!(CrateType);
1854 impl_dep_tracking_hash_for_sortable_vec_of!((String, lint::Level));
1855 impl_dep_tracking_hash_for_sortable_vec_of!((String, Option<String>,
1856 Option<cstore::NativeLibraryKind>));
1857 impl_dep_tracking_hash_for_sortable_vec_of!((String, u64));
1858 impl DepTrackingHash for SearchPaths {
1859 fn hash(&self, hasher: &mut DefaultHasher, _: ErrorOutputType) {
1860 let mut elems: Vec<_> = self
1861 .iter(PathKind::All)
1864 Hash::hash(&elems, hasher);
1868 impl<T1, T2> DepTrackingHash for (T1, T2)
1869 where T1: DepTrackingHash,
1872 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1873 Hash::hash(&0, hasher);
1874 DepTrackingHash::hash(&self.0, hasher, error_format);
1875 Hash::hash(&1, hasher);
1876 DepTrackingHash::hash(&self.1, hasher, error_format);
1880 impl<T1, T2, T3> DepTrackingHash for (T1, T2, T3)
1881 where T1: DepTrackingHash,
1882 T2: DepTrackingHash,
1885 fn hash(&self, hasher: &mut DefaultHasher, error_format: ErrorOutputType) {
1886 Hash::hash(&0, hasher);
1887 DepTrackingHash::hash(&self.0, hasher, error_format);
1888 Hash::hash(&1, hasher);
1889 DepTrackingHash::hash(&self.1, hasher, error_format);
1890 Hash::hash(&2, hasher);
1891 DepTrackingHash::hash(&self.2, hasher, error_format);
1895 // This is a stable hash because BTreeMap is a sorted container
1896 pub fn stable_hash(sub_hashes: BTreeMap<&'static str, &DepTrackingHash>,
1897 hasher: &mut DefaultHasher,
1898 error_format: ErrorOutputType) {
1899 for (key, sub_hash) in sub_hashes {
1900 // Using Hash::hash() instead of DepTrackingHash::hash() is fine for
1901 // the keys, as they are just plain strings
1902 Hash::hash(&key.len(), hasher);
1903 Hash::hash(key, hasher);
1904 sub_hash.hash(hasher, error_format);
1911 use dep_graph::DepGraph;
1915 use middle::cstore::{self, DummyCrateStore};
1916 use session::config::{build_configuration, build_session_options_and_crate_config};
1917 use session::build_session;
1918 use std::collections::{BTreeMap, BTreeSet};
1919 use std::iter::FromIterator;
1920 use std::path::PathBuf;
1922 use super::{OutputType, OutputTypes, Externs};
1923 use rustc_back::{PanicStrategy, RelroLevel};
1924 use syntax::symbol::Symbol;
1926 fn optgroups() -> getopts::Options {
1927 let mut opts = getopts::Options::new();
1928 for group in super::rustc_optgroups() {
1929 (group.apply)(&mut opts);
1934 fn mk_map<K: Ord, V>(entries: Vec<(K, V)>) -> BTreeMap<K, V> {
1935 BTreeMap::from_iter(entries.into_iter())
1938 fn mk_set<V: Ord>(entries: Vec<V>) -> BTreeSet<V> {
1939 BTreeSet::from_iter(entries.into_iter())
1942 // When the user supplies --test we should implicitly supply --cfg test
1944 fn test_switch_implies_cfg_test() {
1945 let dep_graph = DepGraph::new(false);
1947 &match optgroups().parse(&["--test".to_string()]) {
1949 Err(f) => panic!("test_switch_implies_cfg_test: {}", f)
1951 let registry = errors::registry::Registry::new(&[]);
1952 let (sessopts, cfg) = build_session_options_and_crate_config(matches);
1953 let sess = build_session(sessopts, &dep_graph, None, registry, Rc::new(DummyCrateStore));
1954 let cfg = build_configuration(&sess, cfg);
1955 assert!(cfg.contains(&(Symbol::intern("test"), None)));
1958 // When the user supplies --test and --cfg test, don't implicitly add
1959 // another --cfg test
1961 fn test_switch_implies_cfg_test_unless_cfg_test() {
1962 let dep_graph = DepGraph::new(false);
1964 &match optgroups().parse(&["--test".to_string(), "--cfg=test".to_string()]) {
1967 panic!("test_switch_implies_cfg_test_unless_cfg_test: {}", f)
1970 let registry = errors::registry::Registry::new(&[]);
1971 let (sessopts, cfg) = build_session_options_and_crate_config(matches);
1972 let sess = build_session(sessopts, &dep_graph, None, registry,
1973 Rc::new(DummyCrateStore));
1974 let cfg = build_configuration(&sess, cfg);
1975 let mut test_items = cfg.iter().filter(|&&(name, _)| name == "test");
1976 assert!(test_items.next().is_some());
1977 assert!(test_items.next().is_none());
1981 fn test_can_print_warnings() {
1982 let dep_graph = DepGraph::new(false);
1984 let matches = optgroups().parse(&[
1985 "-Awarnings".to_string()
1987 let registry = errors::registry::Registry::new(&[]);
1988 let (sessopts, _) = build_session_options_and_crate_config(&matches);
1989 let sess = build_session(sessopts, &dep_graph, None, registry,
1990 Rc::new(DummyCrateStore));
1991 assert!(!sess.diagnostic().can_emit_warnings);
1995 let matches = optgroups().parse(&[
1996 "-Awarnings".to_string(),
1997 "-Dwarnings".to_string()
1999 let registry = errors::registry::Registry::new(&[]);
2000 let (sessopts, _) = build_session_options_and_crate_config(&matches);
2001 let sess = build_session(sessopts, &dep_graph, None, registry,
2002 Rc::new(DummyCrateStore));
2003 assert!(sess.diagnostic().can_emit_warnings);
2007 let matches = optgroups().parse(&[
2008 "-Adead_code".to_string()
2010 let registry = errors::registry::Registry::new(&[]);
2011 let (sessopts, _) = build_session_options_and_crate_config(&matches);
2012 let sess = build_session(sessopts, &dep_graph, None, registry,
2013 Rc::new(DummyCrateStore));
2014 assert!(sess.diagnostic().can_emit_warnings);
2019 fn test_output_types_tracking_hash_different_paths() {
2020 let mut v1 = super::basic_options();
2021 let mut v2 = super::basic_options();
2022 let mut v3 = super::basic_options();
2024 v1.output_types = OutputTypes::new(&[(OutputType::Exe,
2025 Some(PathBuf::from("./some/thing")))]);
2026 v2.output_types = OutputTypes::new(&[(OutputType::Exe,
2027 Some(PathBuf::from("/some/thing")))]);
2028 v3.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
2030 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2031 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2032 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
2035 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2036 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2037 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2041 fn test_output_types_tracking_hash_different_construction_order() {
2042 let mut v1 = super::basic_options();
2043 let mut v2 = super::basic_options();
2045 v1.output_types = OutputTypes::new(&[
2046 (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
2047 (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
2050 v2.output_types = OutputTypes::new(&[
2051 (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
2052 (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
2055 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2058 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2062 fn test_externs_tracking_hash_different_values() {
2063 let mut v1 = super::basic_options();
2064 let mut v2 = super::basic_options();
2065 let mut v3 = super::basic_options();
2067 v1.externs = Externs::new(mk_map(vec![
2068 (String::from("a"), mk_set(vec![String::from("b"),
2069 String::from("c")])),
2070 (String::from("d"), mk_set(vec![String::from("e"),
2071 String::from("f")])),
2074 v2.externs = Externs::new(mk_map(vec![
2075 (String::from("a"), mk_set(vec![String::from("b"),
2076 String::from("c")])),
2077 (String::from("X"), mk_set(vec![String::from("e"),
2078 String::from("f")])),
2081 v3.externs = Externs::new(mk_map(vec![
2082 (String::from("a"), mk_set(vec![String::from("b"),
2083 String::from("c")])),
2084 (String::from("d"), mk_set(vec![String::from("X"),
2085 String::from("f")])),
2088 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2089 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2090 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
2093 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2094 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2095 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2099 fn test_externs_tracking_hash_different_construction_order() {
2100 let mut v1 = super::basic_options();
2101 let mut v2 = super::basic_options();
2102 let mut v3 = super::basic_options();
2104 v1.externs = Externs::new(mk_map(vec![
2105 (String::from("a"), mk_set(vec![String::from("b"),
2106 String::from("c")])),
2107 (String::from("d"), mk_set(vec![String::from("e"),
2108 String::from("f")])),
2111 v2.externs = Externs::new(mk_map(vec![
2112 (String::from("d"), mk_set(vec![String::from("e"),
2113 String::from("f")])),
2114 (String::from("a"), mk_set(vec![String::from("b"),
2115 String::from("c")])),
2118 v3.externs = Externs::new(mk_map(vec![
2119 (String::from("a"), mk_set(vec![String::from("b"),
2120 String::from("c")])),
2121 (String::from("d"), mk_set(vec![String::from("f"),
2122 String::from("e")])),
2125 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2126 assert_eq!(v1.dep_tracking_hash(), v3.dep_tracking_hash());
2127 assert_eq!(v2.dep_tracking_hash(), v3.dep_tracking_hash());
2130 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2131 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2132 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2136 fn test_lints_tracking_hash_different_values() {
2137 let mut v1 = super::basic_options();
2138 let mut v2 = super::basic_options();
2139 let mut v3 = super::basic_options();
2141 v1.lint_opts = vec![(String::from("a"), lint::Allow),
2142 (String::from("b"), lint::Warn),
2143 (String::from("c"), lint::Deny),
2144 (String::from("d"), lint::Forbid)];
2146 v2.lint_opts = vec![(String::from("a"), lint::Allow),
2147 (String::from("b"), lint::Warn),
2148 (String::from("X"), lint::Deny),
2149 (String::from("d"), lint::Forbid)];
2151 v3.lint_opts = vec![(String::from("a"), lint::Allow),
2152 (String::from("b"), lint::Warn),
2153 (String::from("c"), lint::Forbid),
2154 (String::from("d"), lint::Deny)];
2156 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2157 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2158 assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
2161 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2162 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2163 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2167 fn test_lints_tracking_hash_different_construction_order() {
2168 let mut v1 = super::basic_options();
2169 let mut v2 = super::basic_options();
2171 v1.lint_opts = vec![(String::from("a"), lint::Allow),
2172 (String::from("b"), lint::Warn),
2173 (String::from("c"), lint::Deny),
2174 (String::from("d"), lint::Forbid)];
2176 v2.lint_opts = vec![(String::from("a"), lint::Allow),
2177 (String::from("c"), lint::Deny),
2178 (String::from("b"), lint::Warn),
2179 (String::from("d"), lint::Forbid)];
2181 assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
2184 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2185 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2189 fn test_search_paths_tracking_hash_different_values() {
2190 let mut v1 = super::basic_options();
2191 let mut v2 = super::basic_options();
2192 let mut v3 = super::basic_options();
2193 let mut v4 = super::basic_options();
2194 let mut v5 = super::basic_options();
2197 v1.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2198 v1.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2199 v1.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2200 v1.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2201 v1.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2204 v2.search_paths.add_path("native=XXX", super::ErrorOutputType::Json);
2205 v2.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2206 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2207 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2208 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2211 v2.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2212 v2.search_paths.add_path("crate=XXX", super::ErrorOutputType::Json);
2213 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2214 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2215 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2217 // Dependency changed
2218 v3.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2219 v3.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2220 v3.search_paths.add_path("dependency=XXX", super::ErrorOutputType::Json);
2221 v3.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2222 v3.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2224 // Framework changed
2225 v4.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2226 v4.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2227 v4.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2228 v4.search_paths.add_path("framework=XXX", super::ErrorOutputType::Json);
2229 v4.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2232 v5.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2233 v5.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2234 v5.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2235 v5.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2236 v5.search_paths.add_path("all=XXX", super::ErrorOutputType::Json);
2238 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2239 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2240 assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
2241 assert!(v1.dep_tracking_hash() != v5.dep_tracking_hash());
2244 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2245 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2246 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2247 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2248 assert_eq!(v5.dep_tracking_hash(), v5.clone().dep_tracking_hash());
2252 fn test_search_paths_tracking_hash_different_order() {
2253 let mut v1 = super::basic_options();
2254 let mut v2 = super::basic_options();
2255 let mut v3 = super::basic_options();
2256 let mut v4 = super::basic_options();
2259 v1.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2260 v1.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2261 v1.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2262 v1.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2263 v1.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2265 v2.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2266 v2.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2267 v2.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2268 v2.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2269 v2.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2271 v3.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2272 v3.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2273 v3.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2274 v3.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2275 v3.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2277 v4.search_paths.add_path("all=mno", super::ErrorOutputType::Json);
2278 v4.search_paths.add_path("native=abc", super::ErrorOutputType::Json);
2279 v4.search_paths.add_path("crate=def", super::ErrorOutputType::Json);
2280 v4.search_paths.add_path("dependency=ghi", super::ErrorOutputType::Json);
2281 v4.search_paths.add_path("framework=jkl", super::ErrorOutputType::Json);
2283 assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
2284 assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
2285 assert!(v1.dep_tracking_hash() == v4.dep_tracking_hash());
2288 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2289 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2290 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2291 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2295 fn test_native_libs_tracking_hash_different_values() {
2296 let mut v1 = super::basic_options();
2297 let mut v2 = super::basic_options();
2298 let mut v3 = super::basic_options();
2299 let mut v4 = super::basic_options();
2302 v1.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2303 (String::from("b"), None, Some(cstore::NativeFramework)),
2304 (String::from("c"), None, Some(cstore::NativeUnknown))];
2307 v2.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2308 (String::from("X"), None, Some(cstore::NativeFramework)),
2309 (String::from("c"), None, Some(cstore::NativeUnknown))];
2312 v3.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2313 (String::from("b"), None, Some(cstore::NativeStatic)),
2314 (String::from("c"), None, Some(cstore::NativeUnknown))];
2317 v4.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2318 (String::from("b"), Some(String::from("X")), Some(cstore::NativeFramework)),
2319 (String::from("c"), None, Some(cstore::NativeUnknown))];
2321 assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
2322 assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
2323 assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
2326 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2327 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2328 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2329 assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
2333 fn test_native_libs_tracking_hash_different_order() {
2334 let mut v1 = super::basic_options();
2335 let mut v2 = super::basic_options();
2336 let mut v3 = super::basic_options();
2339 v1.libs = vec![(String::from("a"), None, Some(cstore::NativeStatic)),
2340 (String::from("b"), None, Some(cstore::NativeFramework)),
2341 (String::from("c"), None, Some(cstore::NativeUnknown))];
2343 v2.libs = vec![(String::from("b"), None, Some(cstore::NativeFramework)),
2344 (String::from("a"), None, Some(cstore::NativeStatic)),
2345 (String::from("c"), None, Some(cstore::NativeUnknown))];
2347 v3.libs = vec![(String::from("c"), None, Some(cstore::NativeUnknown)),
2348 (String::from("a"), None, Some(cstore::NativeStatic)),
2349 (String::from("b"), None, Some(cstore::NativeFramework))];
2351 assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
2352 assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
2353 assert!(v2.dep_tracking_hash() == v3.dep_tracking_hash());
2356 assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
2357 assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
2358 assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
2362 fn test_codegen_options_tracking_hash() {
2363 let reference = super::basic_options();
2364 let mut opts = super::basic_options();
2366 // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
2367 opts.cg.ar = Some(String::from("abc"));
2368 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2370 opts.cg.linker = Some(String::from("linker"));
2371 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2373 opts.cg.link_args = Some(vec![String::from("abc"), String::from("def")]);
2374 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2376 opts.cg.link_dead_code = true;
2377 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2379 opts.cg.rpath = true;
2380 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2382 opts.cg.extra_filename = String::from("extra-filename");
2383 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2385 opts.cg.codegen_units = 42;
2386 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2388 opts.cg.remark = super::SomePasses(vec![String::from("pass1"),
2389 String::from("pass2")]);
2390 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2392 opts.cg.save_temps = true;
2393 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2396 // Make sure changing a [TRACKED] option changes the hash
2397 opts = reference.clone();
2399 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2401 opts = reference.clone();
2402 opts.cg.target_cpu = Some(String::from("abc"));
2403 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2405 opts = reference.clone();
2406 opts.cg.target_feature = String::from("all the features, all of them");
2407 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2409 opts = reference.clone();
2410 opts.cg.passes = vec![String::from("1"), String::from("2")];
2411 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2413 opts = reference.clone();
2414 opts.cg.llvm_args = vec![String::from("1"), String::from("2")];
2415 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2417 opts = reference.clone();
2418 opts.cg.overflow_checks = Some(true);
2419 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2421 opts = reference.clone();
2422 opts.cg.no_prepopulate_passes = true;
2423 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2425 opts = reference.clone();
2426 opts.cg.no_vectorize_loops = true;
2427 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2429 opts = reference.clone();
2430 opts.cg.no_vectorize_slp = true;
2431 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2433 opts = reference.clone();
2434 opts.cg.soft_float = true;
2435 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2437 opts = reference.clone();
2438 opts.cg.prefer_dynamic = true;
2439 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2441 opts = reference.clone();
2442 opts.cg.no_integrated_as = true;
2443 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2445 opts = reference.clone();
2446 opts.cg.no_redzone = Some(true);
2447 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2449 opts = reference.clone();
2450 opts.cg.relocation_model = Some(String::from("relocation model"));
2451 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2453 opts = reference.clone();
2454 opts.cg.code_model = Some(String::from("code model"));
2455 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2457 opts = reference.clone();
2458 opts.cg.metadata = vec![String::from("A"), String::from("B")];
2459 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2461 opts = reference.clone();
2462 opts.cg.debuginfo = Some(0xdeadbeef);
2463 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2465 opts = reference.clone();
2466 opts.cg.debuginfo = Some(0xba5eba11);
2467 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2469 opts = reference.clone();
2470 opts.cg.debug_assertions = Some(true);
2471 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2473 opts = reference.clone();
2474 opts.cg.inline_threshold = Some(0xf007ba11);
2475 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2477 opts = reference.clone();
2478 opts.cg.panic = Some(PanicStrategy::Abort);
2479 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2483 fn test_debugging_options_tracking_hash() {
2484 let reference = super::basic_options();
2485 let mut opts = super::basic_options();
2487 // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
2488 opts.debugging_opts.verbose = true;
2489 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2490 opts.debugging_opts.time_passes = true;
2491 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2492 opts.debugging_opts.count_llvm_insns = true;
2493 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2494 opts.debugging_opts.time_llvm_passes = true;
2495 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2496 opts.debugging_opts.input_stats = true;
2497 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2498 opts.debugging_opts.trans_stats = true;
2499 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2500 opts.debugging_opts.borrowck_stats = true;
2501 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2502 opts.debugging_opts.debug_llvm = true;
2503 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2504 opts.debugging_opts.meta_stats = true;
2505 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2506 opts.debugging_opts.print_link_args = true;
2507 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2508 opts.debugging_opts.print_llvm_passes = true;
2509 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2510 opts.debugging_opts.ast_json = true;
2511 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2512 opts.debugging_opts.ast_json_noexpand = true;
2513 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2514 opts.debugging_opts.ls = true;
2515 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2516 opts.debugging_opts.save_analysis = true;
2517 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2518 opts.debugging_opts.save_analysis_api = true;
2519 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2520 opts.debugging_opts.print_move_fragments = true;
2521 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2522 opts.debugging_opts.flowgraph_print_loans = true;
2523 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2524 opts.debugging_opts.flowgraph_print_moves = true;
2525 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2526 opts.debugging_opts.flowgraph_print_assigns = true;
2527 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2528 opts.debugging_opts.flowgraph_print_all = true;
2529 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2530 opts.debugging_opts.print_region_graph = true;
2531 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2532 opts.debugging_opts.parse_only = true;
2533 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2534 opts.debugging_opts.incremental = Some(String::from("abc"));
2535 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2536 opts.debugging_opts.dump_dep_graph = true;
2537 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2538 opts.debugging_opts.query_dep_graph = true;
2539 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2540 opts.debugging_opts.no_analysis = true;
2541 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2542 opts.debugging_opts.unstable_options = true;
2543 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2544 opts.debugging_opts.trace_macros = true;
2545 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2546 opts.debugging_opts.keep_hygiene_data = true;
2547 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2548 opts.debugging_opts.keep_ast = true;
2549 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2550 opts.debugging_opts.print_trans_items = Some(String::from("abc"));
2551 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2552 opts.debugging_opts.dump_mir = Some(String::from("abc"));
2553 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2554 opts.debugging_opts.dump_mir_dir = Some(String::from("abc"));
2555 assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
2557 // Make sure changing a [TRACKED] option changes the hash
2558 opts = reference.clone();
2559 opts.debugging_opts.asm_comments = true;
2560 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2562 opts = reference.clone();
2563 opts.debugging_opts.no_verify = true;
2564 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2566 opts = reference.clone();
2567 opts.debugging_opts.no_landing_pads = true;
2568 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2570 opts = reference.clone();
2571 opts.debugging_opts.no_trans = true;
2572 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2574 opts = reference.clone();
2575 opts.debugging_opts.treat_err_as_bug = true;
2576 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2578 opts = reference.clone();
2579 opts.debugging_opts.continue_parse_after_error = true;
2580 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2582 opts = reference.clone();
2583 opts.debugging_opts.extra_plugins = vec![String::from("plugin1"), String::from("plugin2")];
2584 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2586 opts = reference.clone();
2587 opts.debugging_opts.force_overflow_checks = Some(true);
2588 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2590 opts = reference.clone();
2591 opts.debugging_opts.enable_nonzeroing_move_hints = true;
2592 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2594 opts = reference.clone();
2595 opts.debugging_opts.show_span = Some(String::from("abc"));
2596 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2598 opts = reference.clone();
2599 opts.debugging_opts.mir_opt_level = 3;
2600 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
2602 opts = reference.clone();
2603 opts.debugging_opts.relro_level = Some(RelroLevel::Full);
2604 assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());